Automobile ornament injection mold structure with mold core caulking groove assembly

By setting a fixed component and reinforcement board in the injection molding mold of the car decoration, the problem of unstable medium -sized core position position in the existing technology is solved, and the stable fixing of the core and the improvement of product accuracy is realized.

CN222406956UActive Publication Date: 2025-01-28WUHU YUSEI PLASTICS & MOLD CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202420952492.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-01-28
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

In existing automotive trim injection molds, the fixing of the insert depends on the spring, which easily leads to unstable core position due to injection molding pressure, temperature changes and mechanical vibration, affecting product accuracy and quality.

Method used

By setting a fixed component between the core and the mold, including the structure of the installation, the guidance, the slide, the fixed head, the two -way screw and other structures, the combination of the two -way screw and slider can be used The reinforcement board further strengthens the fixed component to avoid loosening.

Benefits of technology

The stability and fixation of the core is achieved, and the loosening caused by mechanical vibration is avoided, which improves the position stability of the core position in the injection molding process, thereby improving the accuracy and quality of the product.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222406956U_ABST
    Figure CN222406956U_ABST
Patent Text Reader

Abstract

The utility model discloses an automobile ornament injection mold structure with a core caulking groove assembly, and relates to the technical field of injection molds, in particular to the automobile ornament injection mold structure with the core caulking groove assembly, which comprises a base, an upper mold is mounted on the base, and a lower mold is arranged on the base and used for mounting and fixing. Comprising a mounting seat mounted at the top of a base, a caulking groove formed in the top of the mounting seat, mounting holes formed in the four corners of the caulking groove, cavity holes formed in the two ends of the mounting seat, and cavity grooves formed in the outer walls of the two ends of the mounting seat. The mold core and the mold can be conveniently disassembled and assembled through the fixing assembly, so that when different automobile ornaments are subjected to injection molding processing, the matched forming assembly can be quickly replaced, and after the mold core is mounted, the fixing of the mold core by the fixing assembly is further reinforced through the matching assembly, so that the looseness caused by mechanical vibration and the like in the injection molding process is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an automobile decoration injection mold structure with a core embedding groove component. Background Art

[0002] The structure of an automotive trim injection mold with a core-and-groove assembly usually consists of several key parts that work together to achieve high-precision injection molding;

[0003] After checking the public (announcement) number: CN213767020U, a plastic mold for automobile parts with inlay molding is disclosed. This technology discloses "a plastic mold for automobile parts with inlay molding, including a mold base, the mold base is slidably connected with a mold plate inside, the upper end of the mold base is contacted and connected with a mold box cover, the lower end of the mold box cover is fixedly connected with a molding cavity, the lower end of the molding cavity is contacted and connected with the upper end of the mold plate, the lower end of the mold base is fixedly connected with a sleeve, a spring 1 is arranged inside the sleeve, a support rod is slidably connected inside the sleeve, and the upper end of the support rod is fixedly connected with the lower end of the mold plate" and other technical solutions, which have "by adding a spring 2, a clamping block and a guide rod and other structures inside the mold plate, when installing the inlay, the inlay can be clamped between the two clamping blocks, and the inlay is fixed by the elastic force of the spring 2, so that the inlay can be fixed conveniently and quickly, and when disassembling, it can be directly taken to avoid damage to the inlay" and other technical effects;

[0004] Although the above solution simplifies the process of disassembly and assembly of the insert, the method of relying on springs to fix the insert after installation brings a series of potential problems; during the operation of the mold, multiple factors such as injection pressure, temperature changes and mechanical vibrations may cause the spring to deform or shift; this situation will directly lead to the instability of the core position, thereby seriously affecting the accuracy and quality of the product; therefore, this fixing method may not be an ideal choice in the manufacture of automotive accessories that pursue high precision and stability. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an automotive trim injection mold structure with a core-groove assembly, which has the feature that the core and the mold can be conveniently disassembled and assembled via a fixing assembly, so that when injection molding different automotive trims, the corresponding molding assembly can be quickly replaced, and after the core is installed, the fixing assembly is further reinforced to fix the core, thereby avoiding loosening due to mechanical vibration and the like during the injection molding process.

[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: an automobile decoration injection mold structure with a core embedding groove assembly includes a base, an upper mold is installed on the base, a lower mold is provided on the base and is used for installation and fixing, and the lower mold includes:

[0007] The mounting assembly includes a mounting seat mounted on the top of the base, a groove formed on the top of the mounting seat, mounting holes formed at four corners of the groove, cavities formed inside both ends of the mounting seat, and cavities formed on the outer walls of both ends of the mounting seat;

[0008] The fixing assembly includes a guide frame fixed inside both ends of the mounting seat, a sliding sleeve slidably mounted on both ends of the guide frame, a fixing head fixed to the inner wall of both ends of the sliding sleeve, an extension block fixed to the outer end of the sliding sleeve, a slider fixed to the outer end of the extension block, a bidirectional screw rod rotatably mounted between the inner walls of both ends of the cavity hole, and an anti-slip sleeve fixed to the outer wall of the middle part of the bidirectional screw rod;

[0009] The molding assembly includes a core installed in the embedding groove, a mounting head fixed at four corners of the bottom of the core, and fixing grooves are formed on the inner walls of both ends of the mounting head;

[0010] The mating assembly includes a reinforcement plate mounted in the cavity.

[0011] Preferably, the mating component further comprises reinforcement heads which are fixed on both sides of the inner end of the reinforcement plate and which cooperate with the sliding block.

[0012] Preferably, the mounting assembly further comprises grooves formed on both upper and lower sides of the cavity.

[0013] Preferably, the slider is slidably installed inside the cavity.

[0014] Preferably, the outer wall of the bidirectional screw is threadedly connected to the inner wall of the slider.

[0015] Preferably, the outer end of the fixing head extends outward from the interior of the sliding sleeve.

[0016] Beneficial Effects

[0017] The utility model provides an automobile decoration injection mold structure with a core embedding groove component. Compared with the prior art, it has the following beneficial effects:

[0018] (1) The core is embedded in the groove and the mounting head is inserted into the mounting hole. The anti-skid sleeve is rotated clockwise to drive the bidirectional screw to rotate. The bidirectional screw drives the fixed head on the sliding sleeve to be inserted into the fixed groove through the slider and the extension block. The mounting head is restricted in the mounting hole, and the core is fixed in the groove. Similarly, when disassembling, only the anti-skid sleeve needs to be rotated counterclockwise. This allows the corresponding molding components to be quickly and conveniently replaced when different automotive accessories are injection molded.

[0019] (2) After the molding component is installed on the mounting component and fixed by the fixing component, the reinforcement plate is installed in the cavity groove, and the reinforcement head is inserted into the slider to further strengthen the fixation of the fixing component to the molding component to avoid loosening due to mechanical vibration and other reasons during the injection molding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the split structure of the lower mold in the utility model;

[0022] Figure 3 It is a schematic diagram of the internal structure of a part of the installation component in the utility model;

[0023] Figure 4 It is a structural schematic diagram of the matching components in the utility model.

[0024] In the figure: 1. base; 2. lower mold; 21. mounting assembly; 211. mounting seat; 212. embedding groove; 213. mounting hole; 214. cavity hole; 215. cavity groove; 216. groove; 22. fixing assembly; 221. guide frame; 222. sliding sleeve; 223. fixing head; 224. extension block; 225. slider; 226. bidirectional screw rod; 227. anti-slip sleeve; 23. molding assembly; 231. core; 232. mounting head; 233. fixing groove; 24. matching assembly; 241. reinforcement plate; 242. reinforcement head; 3. upper mold. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4 The utility model provides a technical solution for the structure of an automobile decorative part injection mold with a core embedding groove component: the structure of the automobile decorative part injection mold with a core embedding groove component comprises a base 1, an upper mold 3 is installed on the base 1, a lower mold 2 is arranged on the base 1 and is used for installation and fixing, and the lower mold 2 comprises:

[0027] The mounting assembly 21 includes a mounting seat 211 mounted on the top of the base 1, a groove 212 provided on the top of the mounting seat 211, mounting holes 213 provided at four corners of the groove 212, cavities 214 provided inside both ends of the mounting seat 211, and cavities 215 provided on the outer walls of both ends of the mounting seat 211;

[0028] The fixing assembly 22 comprises a guide frame 221 fixed inside both ends of the mounting seat 211, a sliding sleeve 222 slidably mounted on both ends of the guide frame 221, a fixing head 223 fixed to the inner wall of both ends of the sliding sleeve 222, an extension block 224 fixed to the outer end of the sliding sleeve 222, a slider 225 fixed to the outer end of the extension block 224, a bidirectional screw rod 226 rotatably mounted between the inner walls of both ends of the cavity 214, and an anti-slip sleeve 227 fixed to the outer wall of the middle part of the bidirectional screw rod 226;

[0029] The molding assembly 23 includes a core 231 installed in the embedding groove 212, a mounting head 232 fixed at four corners of the bottom of the core 231, and a fixing groove 233 is formed on the inner wall of both ends of the mounting head 232;

[0030] The mating assembly 24 includes a reinforcing plate 241 installed in the cavity 215 .

[0031] In this embodiment, the core 231 is embedded and installed in the groove 212, and the mounting head 232 is inserted into the mounting hole 213. The anti-skid sleeve 227 is then rotated clockwise to drive the bidirectional screw rod 226 to rotate. The bidirectional screw rod 226 drives the fixed head 223 on the sliding sleeve 222 to be inserted into the fixed groove 233 through the slider 225 and the extension block 224, so that the mounting head 232 is restricted in the mounting hole 213, and the core 231 is fixed in the groove 212. Similarly, when disassembling, it is only necessary to rotate the anti-skid sleeve 227 counterclockwise, so that the corresponding molding component 23 can be quickly and conveniently replaced when injection molding different automotive accessories.

[0032] Specifically, the matching component 24 also includes a reinforcement head 242 fixed on both sides of the inner end of the reinforcement plate 241 and matched with the slider 225.

[0033] In this embodiment, after the molding component 23 is installed on the mounting component 21 and fixed by the fixing component 22, the reinforcement plate 241 is installed in the cavity 215, and the reinforcement head 242 is inserted into the slider 225 to further strengthen the fixation of the fixing component 22 to the molding component 23 to avoid loosening due to mechanical vibration and the like during the injection molding process.

[0034] Specifically, the mounting assembly 21 further includes grooves 216 formed on both upper and lower sides of the cavity 215 .

[0035] In this embodiment, the groove 216 facilitates the buckling of the reinforcing plate 241 from the cavity 215 .

[0036] Specifically, the slider 225 is slidably installed inside the cavity 214 .

[0037] In this embodiment, when the slider 225 slides horizontally along the inside of the cavity 214 , the sliding sleeve 222 can be driven to slide along the guide frame 221 through the extension block 224 .

[0038] Specifically, the outer wall of the bidirectional screw rod 226 is threadedly connected to the inner wall of the slider 225 .

[0039] In this embodiment, when the bidirectional screw rod 226 rotates, it can drive the sliders 225 on both sides to move synchronously in opposite directions.

[0040] Specifically, the outer end of the fixing head 223 extends outward from the interior of the sliding sleeve 222 .

[0041] In this embodiment, when the sliding sleeve 222 is fitted with the mounting head 232 , the fixing head 223 on the sliding sleeve 222 can be inserted into the fixing groove 233 on the mounting head 232 .

[0042] The working principle and use process of the utility model are as follows: first, the core 231 is embedded and installed in the embedding groove 212, and the mounting head 232 is inserted into the mounting hole 213, and then the anti-slip sleeve 227 is rotated clockwise to drive the bidirectional screw rod 226 to rotate, and the bidirectional screw rod 226 drives the fixed head 223 on the sliding sleeve 222 to be inserted into the fixed groove 233 through the slider 225 and the extension block 224, so that the mounting head 232 is restricted in the mounting hole 213, and then the core 231 is fixed in the embedding groove 212;

[0043] Then, the reinforcing plate 241 is installed into the cavity 215, and the reinforcing head 242 is inserted into the slider 225, so as to further strengthen the fixation of the fixing component 22 to the molding component 23, and avoid loosening due to mechanical vibration and the like during the injection molding process;

[0044] Similarly, during disassembly, the anti-slip sleeve 227 only needs to be rotated counterclockwise, so that the corresponding molding component 23 can be quickly and conveniently replaced during the injection molding of different automotive accessories.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automobile trim injection mold structure with a core-groove assembly, comprising a base (1), an upper mold (3) mounted on the base (1), characterized in that: The base (1) is provided with a lower mold (2) for installation and fixing, and the lower mold (2) comprises: The mounting assembly (21) comprises a mounting seat (211) mounted on the top of the base (1), a groove (212) provided on the top of the mounting seat (211), mounting holes (213) provided at four corners of the groove (212), cavities (214) provided inside both ends of the mounting seat (211), and cavities (215) provided on the outer walls of both ends of the mounting seat (211); The fixing assembly (22) comprises a guide frame (221) fixed inside both ends of the mounting seat (211), a sliding sleeve (222) slidably mounted on both ends of the guide frame (221), a fixing head (223) fixed to the inner wall at both ends of the sliding sleeve (222), an extension block (224) fixed to the outer end of the sliding sleeve (222), a slider (225) fixed to the outer end of the extension block (224), a bidirectional screw rod (226) rotatably mounted between the inner walls at both ends of the cavity (214), and an anti-slip sleeve (227) fixed to the outer wall of the middle part of the bidirectional screw rod (226); The molding assembly (23) comprises a core (231) installed in the embedding groove (212), a mounting head (232) fixed at four corners of the bottom of the core (231), and fixing grooves (233) are formed on the inner walls of both ends of the mounting head (232); The mating assembly (24) includes a reinforcing plate (241) installed in the cavity (215).

2. The automotive trim injection mold structure with a core and groove assembly according to claim 1, characterized in that: The mating component (24) further comprises a reinforcement head (242) fixed on both sides of the inner end of the reinforcement plate (241) and mating with the slide block (225).

3. The automotive trim injection mold structure with a core and groove assembly according to claim 1, characterized in that: The mounting assembly (21) further comprises grooves (216) formed on both upper and lower sides of the cavity (215).

4. The automotive trim injection mold structure with a core and groove assembly according to claim 1, characterized in that: The sliding block (225) is slidably installed inside the cavity (214).

5. The automotive trim injection mold structure with a core and groove assembly according to claim 1, characterized in that: The outer wall of the bidirectional screw rod (226) is threadedly connected to the inner wall of the slider (225).

6. The automotive trim injection mold structure with a core and groove assembly according to claim 1, characterized in that: The outer end of the fixed head (223) extends outward from the interior of the sliding sleeve (222).

Citation Information

Patent Citations

  • Automobile part plastic mold with insert forming function

    CN213767020U