Rapid forming device for surface texture of face shell mold

By setting texture plates and coolant holes inside the mold, the rapid prototyping device for surface texture of shell molds solves the problem of fracture caused by untimely cooling of shell molds, and realizes rapid prototyping and efficient demolding of thin-walled parts.

CN224012908UActive Publication Date: 2026-03-20SHENZHEN CHANGHONGSHUN PLASTIC MOULD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

When producing thin-walled parts, the large texture area and insufficient cooling of the faceplate mold lead to slow molding, making it prone to breakage and affecting production quality.

Method used

Design a rapid prototyping device for surface texture of a mold shell. By setting a texture plate and coolant holes in the mold cavity, the volume of the cooling cavity is expanded when the mold is closed, and the coolant is used for targeted cooling. Ejector pins are used to assist demolding when the mold is opened.

Benefits of technology

It enables rapid prototyping of surface textures in shell molds, reduces the risk of breakage in thin-walled parts, and improves production efficiency and finished product quality.

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Abstract

The utility model discloses a face shell mold surface texture rapid forming device which comprises a movable mold, a mold cavity is formed in the movable mold, a grain plate is arranged in the mold cavity, the grain plate divides a cooling cavity in the movable mold, and cooling liquid holes are symmetrically formed in the cooling cavity. According to the face shell mold surface texture rapid forming device, the mold cavity is separated through the texture plate to form the cooling cavity, so that targeted cooling is carried out, rapid forming of the surface texture is assisted, after mold closing, the size of the cooling cavity continues to be enlarged so as to further promote forming, and when mold opening is carried out, the ejector pin stretches out so as to achieve rapid forming of the surface texture. Therefore, thin-wall finished products can be separated in an assisted manner.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold part technical field, concretely related to a surface texture quick forming device of face shell mold. BACKGROUND

[0002] Face shell mold is a kind of injection mold, mainly production equipment shell, such as mobile phone shell, various panel and the thin-walled parts such as part.

[0003] According to patent number CN117754818A, the disclosure (announcement) day: 2024-03-26, the disclosure of a kind of router face shell injection mold, it is related to router face shell production technical field, including mold base plate, the lower mold is fixed on the upper end of mold base plate, the upper mold is installed on the lower mold, the injection port is fixed on the upper mold, the hydraulic telescopic column one for separating and compressing the upper mold and the lower mold is installed between the lower mold and the upper mold, the mold groove for preparing router face shell is arranged between the lower mold and the upper mold, the jacking structure for stripping is arranged in the lower mold, the lower pressing structure for assisting stripping is arranged in the upper mold.When stripping is needed to router face shell, first, the upper mold is separated from the lower mold by the hydraulic telescopic column one elongation, the router face shell is separated from the upper mold in the separating process by cooperating with the lower pressing structure, then the router face shell can be separated from the lower mold by the ejector structure, reduce the adhesion of router face shell and mold, improve the forming quality of router face shell.

[0004] In the prior art including the above patent, the face shell mold is mainly for producing thin-walled parts, when forming texture on the face shell according to production needs, the texture area is large, it is easy to break during mold separation due to incomplete cooling (i.e. forming too slowly), and stay in the mold, resulting in producing defective products. SUMMARY

[0005] The utility model aims at providing a surface texture quick forming device of face shell mold, to solve the above problems.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a surface texture quick forming device of face shell mold, including movable die, the movable die is provided with mold cavity, the mold cavity is provided with texture plate, the texture plate is separated into cooling cavity in the movable die, the cooling cavity is provided with cooling liquid hole.

[0007] As preferred, the texture plate is slidingly arranged on the mold cavity, and the texture plate slides along the mold cavity when the movable die is closed to expand the volume of the cooling cavity.

[0008] As preferred, the mold cavity is provided with a guide column hole, a push elastic column is slidingly connected in the guide column hole, and one end of the push elastic column is arranged on the texture plate.

[0009] Preferably, the other end of the pushing elastic column is provided with a sliding plate which is slidingly connected in the guide column hole.

[0010] Preferably, a spring is arranged between the sliding plate and the guide column hole.

[0011] Preferably, a guide sleeve is arranged in the cooling cavity, and the pushing elastic column is slidingly connected in the guide sleeve.

[0012] Preferably, a ejector pin is arranged in the cooling cavity, and the ejector pin extends into the mold cavity along with the surface texture plate.

[0013] Preferably, a partition plate is arranged in the cooling cavity, the ejector pin is arranged on the partition plate, and a flow guide channel is clamped between the partition plate and the cooling cavity.

[0014] Preferably, the pushing elastic column is an elastic metal strip.

[0015] Preferably, the sliding plate is a brass sliding plate.

[0016] In the above technical solution, the surface texture rapid forming device for the surface shell mold has the following beneficial effects: the mold cavity is separated by the surface texture plate to form a cooling cavity, so that targeted cooling is performed to assist the surface texture rapid forming; after the mold is closed, the volume of the cooling cavity continues to expand to further promote the forming; and when the mold is opened, the ejector pin extends to assist the thin-walled product to be separated. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0018] Figure 1 The overall schematic diagram provided by the embodiments of the present application is provided.

[0019] Figure 2 The overall schematic diagram provided by the embodiments of the present application is provided.

[0020] Figure 3 The structure schematic diagram of the pushing elastic column and the partition plate provided by the embodiments of the present application is provided.

[0021] Figure 4 The overall cross-sectional schematic diagram provided by the embodiments of the present application is provided.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Moving mold; 10. Coolant hole; 11. Guide post hole; 12. Mold cavity; 21. Textured plate; 22. Fitting slide plate; 221. Spring; 23. Pushing elastic post; 231. Guide sleeve; 241. Partition plate; 242. Ejector pin. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure. All other embodiments obtained by those skilled in the art based on the described embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0025] like Figures 1-4 As shown, a rapid prototyping device for surface texture of a faceplate mold includes a moving mold 1, a mold cavity 12 is provided on the moving mold 1, a texture plate 21 is provided in the mold cavity 12, the texture plate 21 divides a cooling cavity in the moving mold 1, and coolant holes 10 are symmetrically arranged on the cooling cavity. The texture plate 21 is slidably disposed on the mold cavity 12, and the texture plate 21 slides along the mold cavity 12 as the moving mold 1 closes, so as to expand the volume of the cooling cavity.

[0026] Specifically, after the mold is closed, the textured plate 21 slides along the mold cavity 12 to expand the volume of the cooling cavity, so as to continue the coolant before injection molding and cool the molten liquid after injection molding. The coolant circulates continuously through the coolant hole 10 to assist the thin-walled finished product in cooling.

[0027] In the above technical solution, the mold cavity 12 is divided by the texture plate 21 to form a cooling cavity, thereby performing targeted cooling and assisting in the rapid forming of surface texture. After the mold is closed, the volume of the cooling cavity will continue to expand to further promote the forming. When the mold is opened, the ejector pin 242 extends to assist in separating the thin-walled finished product.

[0028] As a further embodiment of this utility model, a guide post hole 11 is provided on the mold cavity 12, and a push elastic post 23 is slidably connected in the guide post hole 11. One end of the push elastic post 23 is provided on the textured plate 21, and the other end of the push elastic post 23 is provided with a contact slide plate 22. The contact slide plate 22 is slidably connected in the guide post hole 11, and a spring 221 is provided between the contact slide plate 22 and the guide post hole 11. When the mold is closed, the guide post of another mold is inserted into the guide post hole 11 to push the contact slide plate 22 and compress the spring 221, thereby driving the textured plate 21 to slide along the mold cavity 12 as the moving mold 1 closes. After the mold is opened, the spring 221 rebounds and pulls the textured plate 21 back to its original position, so as to reduce the volume of the cooling cavity and accelerate the liquid replacement speed.

[0029] As the further provided embodiment of the utility model, the guiding sleeve 231 is arranged in the cooling cavity, the push elastic column 23 is slidingly connected in the guiding sleeve 231, the guiding sleeve 231 guides the sliding direction of the push elastic column 23, and the backflow of the cooling liquid into the guide column hole 11 is avoided.

[0030] As the further provided embodiment of the utility model, the ejector pin 242 is arranged in the cooling cavity, the perforation for the sliding of the ejector pin 242 is formed on the texture plate 21, when the spring 221 rebounds after the mold is opened, the texture plate 21 is reset by being pulled, the ejector pin 242 slides along with the texture plate 21 and extends into the mold cavity 12, the demolding is assisted, the baffle 241 is arranged in the cooling cavity, the ejector pin 242 is arranged on the baffle 241, the flow channel is clamped between the baffle 241 and the cooling cavity, so that the flow path of the cooling liquid is guided to be lengthened, and the cooling efficiency is increased.

[0031] As the further provided embodiment of the utility model, the push elastic column 23 is made of elastic metal, is more durable, and the fitting sliding plate 22 is made of brass, and is not prone to crack under temperature change.

[0032] Working principle: when the mold is closed, the guide column of another mold is inserted into the guide column hole 11 to push and compress the spring 221 on the fitting sliding plate 22, so that the texture plate 21 is driven to slide along the mold cavity 12 to expand the cooling cavity volume along with the movable mold 1 closing, and the ejector pin 242 hides in the perforation, after the mold is opened, the spring 221 rebounds, the texture plate 21 is reset by being pulled, the ejector pin 242 slides along with the texture plate 21 and extends into the mold cavity 12, and the demolding is assisted.

[0033] The above only describes some exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled in the art, the described embodiments can be modified in various different ways without deviating from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A rapid prototyping device for surface texture of a faceplate mold, characterized in that, It includes a moving mold (1), on which a mold cavity (12) is provided, and a textured plate (21) is provided inside the mold cavity (12). The textured plate (21) divides a cooling cavity inside the moving mold (1), and coolant holes (10) are symmetrically provided on the cooling cavity.

2. The rapid prototyping device for surface texture of a faceplate mold according to claim 1, characterized in that, The textured plate (21) is slidably disposed on the mold cavity (12). The textured plate (21) slides along the mold cavity (12) as the moving mold (1) closes, so as to expand the volume of the cooling cavity.

3. The rapid prototyping device for surface texture of a faceplate mold according to claim 2, characterized in that, The mold cavity (12) is provided with a guide post hole (11), and a push elastic post (23) is slidably connected in the guide post hole (11). One end of the push elastic post (23) is provided on the texture plate (21).

4. The rapid prototyping device for surface texture of a faceplate mold according to claim 3, characterized in that, The other end of the push elastic column (23) is provided with a fitting slide plate (22), which is slidably connected to the guide post hole (11).

5. The rapid prototyping device for surface texture of a shell mold according to claim 4, characterized in that, A spring (221) is provided between the fitting slide plate (22) and the guide post hole (11).

6. The rapid prototyping device for surface texture of a faceplate mold according to claim 3, characterized in that, A guide sleeve (231) is provided inside the cooling chamber, and the push elastic column (23) is slidably connected inside the guide sleeve (231).

7. The rapid prototyping device for surface texture of a faceplate mold according to claim 2, characterized in that, The cooling cavity is provided with an ejector pin (242), which slides into the mold cavity (12) along with the textured plate (21).

8. The rapid prototyping device for surface texture of a faceplate mold according to claim 7, characterized in that, A partition (241) is provided inside the cooling chamber, and the ejector pin (242) is provided on the partition (241). A flow guide channel is sandwiched between the partition (241) and the cooling chamber.

9. The rapid prototyping device for surface texture of a faceplate mold according to claim 3, characterized in that, The push-off elastic column (23) is an elastic metal strip.

10. The rapid prototyping device for surface texture of a faceplate mold according to claim 4, characterized in that, The bonding slide (22) is a brass slide.

Citation Information

Patent Citations

  • Router face shell injection mold

    CN117754818A