Decoration strip forming die

By simplifying the mold structure, including the design of lower mold cavity and positioning holes, the problems of complex design and poor stability of existing automotive decorative strip forming molds are solved, and product quality and production efficiency are improved and costs are reduced.

CN222156471UActive Publication Date: 2024-12-13NINGBO HUAYIXIN AUTOMOTIVE TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420927680.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2024-12-13
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

The existing automotive decorative strip forming molds have complex designs, inconvenient operation, and poor product ejection stability, which affects production efficiency and product quality.

Method used

A decorative strip forming including a lower mold cavity, a positioning hole, a positioning shaft, a fixed L groove, an injection molding hole, a runner, an exhaust hole, a limit bump, a positioning square iron, an oil conveyor and a mold guide sleeve are designed. The mold simplifies the mold structure and improves the stability and processing accuracy of the product.

Benefits of technology

It reduces the complexity of the mold, improves the stability and quality of the product, significantly improves the durability and production efficiency of the molding mold, and reduces production and maintenance costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222156471U_ABST
    Figure CN222156471U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of automobile forming dies, in particular to a decorative strip forming die which comprises lower die positioning holes, all the lower die positioning holes are formed in a lower die cavity, lower die positioning shafts are arranged on the lower die positioning holes, fixed L-shaped grooves are formed in the lower die cavity, and the fixed L-shaped grooves are formed in the lower die cavity. All the injection molding holes are formed in the lower mold cavity, all the first runners are formed in the lower mold cavity, all the second runners are formed in the lower mold cavity, all the positioning grooves are formed in the lower mold cavity, all the exhaust holes are formed in the lower mold cavity, and all the first runners and the second runners are formed in the lower mold cavity. The limiting protruding block is arranged on the upper surface of the lower die cavity, the positioning square irons are all arranged on the lower surface of the lower die cavity, the first oil conveying ports are all formed in the lower die cavity, and the structure is designed in the die, so that the complexity of the die is greatly reduced, the ejection stability of a product is guaranteed, and the quality of the product is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of automobile molding dies, in particular to a molding die for decorative strips. Background Art

[0002] The application of modern molds involves every product (as long as there are a large number of products, molds will be used for production, and the mold frame is an inseparable part of the mold. As an indispensable tool in modern industrial production, its performance and precision directly affect the quality and production efficiency of the product.

[0003] After searching, the utility model patent with the Chinese publication number CN214235905U discloses a molding die for automobile decorative bright strips, which includes a stamping lower die, the stamping lower die is equipped with an automobile decorative bright strip mold core, the automobile decorative bright strip mold core has a lower mold surface for molding the automobile decorative bright strips, and the lower mold surface has a decorative corner portion; a stamping upper die, the stamping upper die has an upper mold surface corresponding to the lower mold surface, and the upper mold surface and the lower mold surface mold the automobile decorative bright strips; a limit block, the limit blocks are set in multiples and are surrounded by the automobile decorative bright strip mold core; a pressing block, the pressing block is fixed to the stamping lower die, and surrounds the decorative corner portion to stop the automobile decorative bright strips. The utility model limits the automobile decorative bright strips by the limit block, and the pressing block presses against the excessive deformation at the corner, so that the pressing block is always pressed during the stamping and molding, and the material cannot be elongated, so that the product is a finished product after stamping, and no side cutting is required, which saves a pair of side cutting molds, saves labor, and simplifies the production process.

[0004] Although the above technical solution solves the problem of simple production process, in the above technical solution, the mold design is relatively complicated, it is not easy for operators to learn, and the product ejection stability is poor. Therefore, a decorative strip molding mold is needed. Utility Model Content

[0005] The utility model aims to provide a decorative strip forming die, which solves the problem of complex die design in the background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A decorative strip forming mold, comprising a lower mold cavity, and further comprising:

[0008] Lower die positioning holes, each of the lower die positioning holes is arranged on the lower die cavity;

[0009] A lower die positioning shaft, wherein the lower die positioning shaft is arranged on the lower die positioning hole;

[0010] A fixed L groove, the fixed L groove is provided on the lower mold cavity;

[0011] Injection holes, each of which is opened on the lower mold cavity;

[0012] first flow channels, each of which is disposed on the lower mold cavity;

[0013] second flow channels, each of which is disposed on the lower mold cavity;

[0014] Positioning grooves, each of which is arranged on the lower mold cavity;

[0015] Exhaust holes, each of which is arranged on the lower mold cavity;

[0016] A limiting protrusion is arranged on the upper surface of the lower mold cavity.

[0017] Preferably, the positioning square irons are each arranged on the lower surface of the lower mold cavity.

[0018] Preferably, the first oil delivery ports, each of which is disposed on the lower mold cavity.

[0019] Preferably, the second oil delivery ports, each of which is disposed on the lower mold cavity.

[0020] Preferably, the third oil delivery ports, each of which is opened on the lower mold cavity.

[0021] Preferably, the water delivery port, each of which is opened on the lower mold cavity

[0022] Preferably, a mold base guide sleeve, wherein the mold base guide sleeve is arranged on the lower mold positioning hole;

[0023] A bottom plate, the bottom plate is arranged on the lower surface of the positioning square iron;

[0024] A top plate, the top plate being arranged on an upper surface of the bottom plate;

[0025] A push rod, each of which is arranged on the top plate;

[0026] A locking screw hole is provided on the top plate.

[0027] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0028] 1. Designing this structure in the mold greatly reduces the complexity of the mold, improves the mold, ensures the stability of product ejection and improves the quality of the product.

[0029] 2. It is expected to significantly improve the durability, processing accuracy and production efficiency of decorative strip molding molds, reduce production costs and improve product quality. At the same time, the optimized molds will have better interchangeability and maintenance convenience, reducing the company's operating and maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a side view structural schematic diagram of the utility model;

[0031] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0032] Figure 3 This is a front view structural schematic diagram of the utility model;

[0033] Figure 4 It is a right side structural schematic diagram of the utility model.

[0034] Among them: 1. Lower mold cavity; 2. Lower mold positioning hole; 3. Lower mold positioning axis; 4. Fixed L groove; 5. Injection hole; 6. First runner; 7. Second runner; 8. Positioning groove; 9. Exhaust hole; 10. Limiting bump; 11. Positioning square iron; 12. First oil delivery port; 13. Second oil delivery port; 14. Third oil delivery port; 15. Water delivery port; 16. Mold base guide sleeve; 17. Bottom plate; 18. Top plate; 19. Ejector rod; 20. Locking screw hole. DETAILED DESCRIPTION

[0035] 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.

[0036] In the description of the present invention, the term "for example" is used to mean "used as an example, illustration or explanation". Any embodiment described as "for example" in the present invention is not necessarily to be interpreted as being more preferred or advantageous than other embodiments. In order to enable any technician in the field to implement and use the present invention, the following description is given. In the following description, details are listed for the purpose of explanation. It should be understood that a person of ordinary skill in the art can recognize that the present invention can be implemented without using these specific details. In other examples, well-known structures and processes will not be elaborated in detail to avoid unnecessary details that make the description of the present invention obscure. Therefore, the present invention is not intended to be limited to the embodiments shown, but is consistent with the widest range of principles and features disclosed in the present invention.

[0037] See also Figure 1-4 , a decorative strip molding mold, including a lower mold cavity 1, the lower mold cavity 1 is the main area for shaping the product appearance, when the molten plastic is injected into the mold, it will fill into the lower mold cavity 1, and form the desired product shape after cooling, therefore, the precise design and manufacture of the lower mold cavity 1 is very important to ensure the appearance and quality of the product, the decorative strip material composition is PC+ABS, PC+ABS is a plastic alloy, this material inherits the respective advantages of PC and ABS, and also produces new excellent performance through the combination of the two, PC+ABS material has excellent mechanical properties, impact resistance, and high heat resistance, can also maintain good performance in high temperature environment, and PC+ABS plastic also has good surface properties, easy dyeing, and low cost, with high cost performance, also includes: lower mold positioning hole 2, each lower mold positioning hole 2 is opened on the lower mold cavity 1, the function of the lower mold positioning hole 2 is to guide the two molds when the mold is closed, the lower mold positioning hole 2 is to guide the two molds when the mold is closed, and the lower mold positioning hole 2 is to guide the two molds when the mold is closed. The positioning axis 3 is fixedly connected to the lower mold positioning hole 2, and the function of the lower mold positioning axis 3 is positioning. The fixed L groove 4 is opened on the lower mold cavity 1, and the function of the fixed L groove 4 is to increase the stability when the mold is closed. Each injection hole 5 is opened on the lower mold cavity 1, and the function of the injection hole 5 is to facilitate the injection molding of the decorative strip. Each first flow channel 6 is opened on the lower mold cavity 1, and the function of the first flow channel 6 is to facilitate the product fusion during injection molding. Each second flow channel 7 is opened on the lower mold cavity 1, and the function of the second flow channel 7 is to facilitate the uniform mixing of the product during injection molding. Generally, injection molding requires the addition of raw materials with excess product quality to prevent cavities and defects in the product. Each positioning groove 8 is opened on the lower mold cavity 1, and the function of the positioning groove 8 is to increase the stability when the mold is closed. Each exhaust hole 9 is set on the lower mold cavity 1, and the function of the exhaust hole 9 is to facilitate the exhaust of the product during injection molding to prevent defects in the product. The limiting protrusion 10 is fixedly connected to the upper surface of the lower mold cavity 1, and the function of the limiting protrusion 10 is to limit the shape of the product.

[0038] It also includes: positioning square irons 11 , each positioning square iron 11 can be detachably connected to the lower surface of the lower mold cavity 1 , and the positioning square irons 11 are used for support and positioning, and determine the stroke of the ejector rod 19 .

[0039] It also includes: a first oil delivery port 12, each of which is opened on the lower mold cavity 1. The function of the first oil delivery port 12 is to facilitate the delivery of lubricating oil to various key parts to reduce the friction and wear of the mold during operation.

[0040] It also includes: second oil delivery ports 13, each of which is opened on the lower mold cavity 1. The function of the second oil delivery ports 13 is to facilitate the delivery of lubricating oil to various key parts, which helps to maintain the temperature and stability of the mold.

[0041] It also includes: a third oil delivery port 14, each of which is opened on the lower mold cavity 1. The function of the third oil delivery port 14 is to facilitate the delivery of lubricating oil to various key parts, and has a certain cleaning effect to keep the mold clean and hygienic.

[0042] It also includes: water delivery ports 15, each of which is opened on the lower mold cavity 1. The function of the water delivery ports 15 is to cool the mold and reduce the temperature of the mold by transporting water.

[0043] It also includes: a mold base guide sleeve 16, which is detachably connected to the lower mold positioning hole 2. The function of the mold base guide sleeve 16 is to facilitate the installation of the lower mold positioning shaft 3 to prevent excessive friction between the lower mold positioning shaft 3 and the mold cavity. The lower bottom plate 17 is detachably connected to the lower surface of the positioning square iron 11. The function of the lower bottom plate 17 is to support the positioning square iron 11. The top plate 18 is detachably connected to the upper surface of the bottom plate 17. The function of the top plate 18 is to facilitate the ejection of the product. Each ejector rod 19 can be detachably connected to the top plate 18. The function of the ejector rod 19 is to facilitate the demoulding of the product. The locking screw hole 20 is opened on the top plate 18. The function of the locking screw hole 20 is to increase the stability of the top plate 18 and the bottom plate 17.

[0044] 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 thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A decorative strip forming mold, comprising a lower mold cavity (1), Features: Also includes: Lower die positioning holes (2), each of the lower die positioning holes (2) is disposed on the lower die cavity (1); A lower die positioning shaft (3), wherein the lower die positioning shaft (3) is arranged on the lower die positioning hole (2); A fixed L-groove (4), wherein the fixed L-groove (4) is provided on the lower mold cavity (1); Injection holes (5), each of the injection holes (5) is opened on the lower mold cavity (1); First flow channels (6), each of the first flow channels (6) being disposed on the lower mold cavity (1); Second flow channels (7), each of the second flow channels (7) being disposed on the lower mold cavity (1); Positioning grooves (8), each of the positioning grooves (8) is arranged on the lower mold cavity (1); Exhaust holes (9), each of the exhaust holes (9) is arranged on the lower mold cavity (1); A limiting protrusion (10), wherein the limiting protrusion (10) is arranged on the upper surface of the lower mold cavity (1).

2. A decorative strip forming mold according to claim 1, Features: Also includes: Positioning square irons (11), each of the positioning square irons (11) is arranged on the lower surface of the lower mold cavity (1).

3. A decorative strip forming mold according to claim 2, Features: Also includes: First oil delivery ports (12), each of the first oil delivery ports (12) is disposed on the lower mold cavity (1).

4. A decorative strip forming mold according to claim 3, Features: Also includes: Second oil delivery ports (13), each of the second oil delivery ports (13) is disposed on the lower mold cavity (1).

5. A decorative strip forming mold according to claim 4, Features: Also includes: A third oil delivery port (14), each of the third oil delivery ports (14) is disposed on the lower mold cavity (1).

6. A decorative strip forming mold according to claim 5, Features: Also includes: Water delivery ports (15), each of the water delivery ports (15) is disposed on the lower mold cavity (1).

7. A decorative strip forming mold according to claim 6, Features: Also includes: A mold base guide sleeve (16), wherein the mold base guide sleeve (16) is arranged on the lower mold positioning hole (2); A bottom plate (17), the bottom plate (17) being arranged on the lower surface of the positioning square iron (11); A top plate (18), the top plate (18) being arranged on an upper surface of the bottom plate (17); Push rods (19), each of the push rods (19) is arranged on the top plate (18); A locking screw hole (20), wherein the locking screw hole (20) is opened on the top plate (18).