Corrosion-resistant high-purity mirror surface die steel

By designing the misalignment cavity, corrosion-resistant layer and electroplating layer on high-purity mirror mold steel, as well as the coordination of the mold and the limiting column, the problem of not being easy to get stuck together is solved, and the high precision of the mold in harsh environments is achieved and efficient production of injection molded finished products.

CN222290864UActive Publication Date: 2025-01-03SHENZHEN JINHUAZHOU MOULD STEEL CO LTD
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Patent Information

Application Number
CN202323602771.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-28
Publication Date
2025-01-03
Estimated Expiration
2033-12-28

AI Technical Summary

Technical Problem

The existing high-purity mirror mold steel is not easy for two molds to get stuck together during injection molding, resulting in poor quality and low accuracy of injection molded products.

Method used

A corrosion-resistant high-purity mirror mold steel is designed, including a first mold and a second mold. The top of the first mold is provided with a dislocation cavity, the inner wall is provided with a corrosion-resistant layer and an electroplating layer, and the second mold is provided with a The bottom is equipped with molding parts, and the shaping parts and limiting columns can extend into the molding cavity and limiting port. Through the cooperation of the lock block and the material withdrawal rod, the molds are ensured to be stably stuck together and facilitate material injection and molding.

Benefits of technology

It realizes the long-term corrosion resistance and high-precision finish of the mold in harsh environments, while improving the stability and convenience of the injection molding process, ensuring high quality of the finished product.

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Abstract

The utility model discloses corrosion-resistant high-purity mirror surface die steel, and particularly relates to the technical field of die steel, the corrosion-resistant high-purity mirror surface die steel comprises a first die body and a second die body, the second die body is arranged at the top of the first die body, the top of the first die body is provided with a dislocation cavity for limiting, and the inner wall of the dislocation cavity is provided with a corrosion-resistant layer and an electroplated layer. The utility model has good corrosion resistance, can be used for a long time in a severe working environment without rusting or corroding, has good smoothness and precision on the surface through the arrangement of the electroplated layer, and can respectively extend into the forming cavity and the limiting opening by the shaping piece and the limiting column, so that the production efficiency is improved. And raw materials are easily injected into the second mold body and the first mold body and are formed through the forming piece and the dislocation cavity, so that the formed materials can be taken out while the second mold body and the first mold body are separated, and the convenience of the device during use is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of mold steel, and more specifically, to a corrosion-resistant high-purity mirror mold steel. Background Art

[0002] High-purity mirror mold steel is a mold steel material with good corrosion resistance and high purity. It is usually used to manufacture molds or tools that require high precision and high finish, such as optical molds, injection molds, etc. It is a steel with excellent performance that can meet the manufacturing needs of high-precision and high-finish molds. It is widely used in optics, electronics, medical equipment and other fields.

[0003] Among them, it was found through searching that the utility model patent with patent application number CN201820894646.2 disclosed a new type of mold steel, including a mold steel body; the mold steel body is in an inverted isosceles trapezoid; the two sides of the top of the mold steel body are respectively provided with raised strips, and the spacing between the two raised strips is greater than or equal to the side length of the bottom of the mold steel body; the front and rear sides of the mold steel body are respectively provided with a middle plug hole; the two sides of the middle plug hole are respectively provided with a side plug hole; the inner side of the middle plug hole is provided with a slot; the inner side of the side plug hole is provided with an inner groove;

[0004] When the structure is in use, the mold steel is made into a trapezoid, and holes for hanging wire ropes or hooks are set on both sides to facilitate hanging and lifting. After stacking, the raised strips can play a limiting role, which effectively solves the technical problem of inconvenient use of mold steel in the prior art. However, when used for injection molding, it is not easy for the two mold bodies to be stuck together, and the precision is low, resulting in poor quality of the injection molded product. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a corrosion-resistant high-purity mirror mold steel, aiming to solve the problems raised in the above-mentioned background technology.

[0006] The utility model is implemented in this way. The utility model provides the following technical solutions: a corrosion-resistant high-purity mirror mold steel, comprising a first mold body and a second mold body, wherein the second mold body is arranged on the top of the first mold body;

[0007] A dislocation cavity for limiting position is provided on the top of the first mold body, and a corrosion-resistant layer and an electroplating layer are provided on the inner wall of the dislocation cavity;

[0008] A molding piece matching the dislocation cavity is provided at the bottom of the second mold body, a molding cavity for dislocation is provided on the molding piece, and a shaping piece matching the molding cavity is provided on the first mold body and at the bottom of the inner wall of the dislocation cavity;

[0009] It can be seen that in the above technical solution, the corrosion-resistant layer is provided to make it have good corrosion resistance and can be used for a long time in a harsh working environment without rusting or corrosion. The electroplating layer is provided to make its surface have good finish and precision. When the molded part is stuck in the dislocation cavity, the shaping part and the limiting column can extend into the molding cavity and the limiting port respectively, which makes it easy for the raw material to be injected into the second mold body and the first mold body through the molded part and the dislocation cavity for molding.

[0010] Optionally, in a possible embodiment, a limiting column is provided on one side of the shaping member and at the bottom of the inner wall of the dislocation cavity, a limiting opening is provided at one end of the shaping member, the limiting opening matches the limiting column, the limiting column extends into the limiting opening and is engaged with the limiting opening, a guide groove for limiting is provided on the shaping member, locking grooves for limiting are provided on both sides of the second mold body, a material return rod matching the guide groove is provided in the guide groove, a locking block matching the locking groove is provided in the locking groove, the locking block is detachably connected to the first mold body, a first hook is provided on the top of the material return rod, and a second hook is provided at one end of the locking block;

[0011] It can be seen that in the above technical solution, when the first mold body and the second mold body are stuck together, the offset cavity staggers the interference between the molded part and the first mold body to ensure the stability of the second mold body and the first mold body when they are stuck together. When the first mold body and the second mold body are stuck together, the locking block is stuck in the locking groove to limit the first mold body and the second mold body, and subsequently, by pushing the return rod to move, the second mold body and the first mold body are separated and the molded material can be taken out at the same time, thereby improving the convenience of the device when in use.

[0012] Technical effects and advantages of the utility model:

[0013] Through the corresponding coordination of various structures and the setting of the corrosion-resistant layer, it has good corrosion resistance and can be used for a long time in a harsh working environment without rusting or corrosion. Through the setting of the electroplating layer, its surface has good smoothness and precision.

[0014] At the same time, the shaping piece and the limiting column can extend into the molding cavity and the limiting opening respectively, so that the raw material can be easily injected into the second mold body and the first mold body through the molding piece and the dislocation cavity for molding;

[0015] The locking block is stuck in the locking groove to limit the first mold body and the second mold body, and the material return rod is subsequently pushed to move so that the second mold body and the first mold body are separated and the molded material can be taken out at the same time, thereby improving the convenience of the device when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present disclosure, the following briefly introduces the drawings required to be used in some embodiments of the present disclosure. Obviously, the drawings described below are only drawings of some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can also be obtained based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams, and are not limitations on the actual size of the product involved in the embodiments of the present disclosure, the actual process of the method, the actual timing of the signal, etc.

[0017] Figure 1 It is the front view of the overall structure of the utility model.

[0018] Figure 2 It is a front view of the first mold body and the second mold body of the utility model.

[0019] Figure 3 This is a front view of the second mold body and molded part of the utility model.

[0020] Figure 4 For this utility model Figure 3 Exploded diagram.

[0021] The accompanying drawings are marked as follows: 1. first mold body; 2. second mold body; 3. offset cavity; 4. molding part; 5. molding cavity; 6. shaping part; 7. limiting column; 8. limiting mouth; 9. guide groove; 10. material return rod; 11. locking groove; 12. locking block; 13. first hook part; 14. second hook part. DETAILED DESCRIPTION

[0022] 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.

[0023] As attached Figure 1-3 The corrosion-resistant high-purity mirror mold steel shown is used by correspondingly cooperating various structures on the first mold body 1 and the second mold body 2. When the molded part 4 is stuck in the dislocation cavity 3, the shaping part 6 and the limiting column 7 can extend into the molding cavity 5 and the limiting port 8 respectively, so that the raw material is easily injected into the second mold body 2 and the first mold body 1 and formed through the molded part 4 and the dislocation cavity 3. The locking block 12 is stuck in the locking groove 11 to limit the first mold body 1 and the second mold body 2. Subsequently, by pushing the ejector rod 10 to move, the second mold body 2 and the first mold body 1 are separated and the molded material can be taken out at the same time, thereby improving the convenience of the device when in use. The specific structure of the component is set as follows;

[0024] A dislocation cavity 3 for limiting position is provided on the top of the first mold body 1, and a corrosion-resistant layer and an electroplating layer are provided on the inner wall of the dislocation cavity 3;

[0025] The bottom of the second mold body 2 is provided with a molding piece 4 matching the dislocation cavity 3, and the molding piece 4 is provided with a molding cavity 5 for dislocation, and the first mold body 1 and the bottom of the inner wall of the dislocation cavity 3 are provided with a shaping piece 6 matching the molding cavity 5;

[0026] A limiting column 7 is arranged on one side of the shaping part 6 and at the bottom of the inner wall of the dislocation cavity 3. A limiting opening 8 is arranged at one end of the forming part 4. The limiting opening 8 matches the limiting column 7. The limiting column 7 extends into the limiting opening 8 and is engaged with the limiting opening 8. A guide groove 9 for limiting is arranged on the forming part 4. Locking grooves 11 for limiting are arranged on both sides of the second mold body 2. A material return rod 10 matching the guide groove 9 is arranged in the guide groove 9. A locking block 12 matching the locking groove 11 is arranged in the locking groove 11. The locking block 12 is detachably connected to the first mold body 1. A first hook piece 13 is arranged on the top of the material return rod 10, and a second hook piece 14 is arranged at one end of the locking block 12.

[0027] According to the above structure, when in use, the anti-corrosion layer is provided, so that it has good anti-corrosion performance and can be used for a long time in a harsh working environment without rusting or corrosion. The electroplating layer is provided, so that the surface has good smoothness and precision.

[0028] When in use, when the first mold body 1 and the second mold body 2 are clamped together, the offset cavity 3 offsets the interference of the molding piece 4 and the first mold body 1 to ensure the stability of the second mold body 2 and the first mold body 1 when they are clamped together. At the same time, when the molding piece 4 is clamped in the offset cavity 3, the shaping piece 6 and the limiting column 7 can extend into the molding cavity 5 and the limiting port 8 respectively, so that the raw material is easily injected into the second mold body 2 and the first mold body 1 through the molding piece 4 and the offset cavity 3 for molding;

[0029] And when the first mold body 1 and the second mold body 2 are stuck together, the locking block 12 is stuck in the locking groove 11 to limit the first mold body 1 and the second mold body 2, and then by pushing the ejector rod 10 to move, the second mold body 2 and the first mold body 1 are separated and the molded material can be taken out at the same time, thereby improving the convenience of the device when in use.

[0030] Different from the prior art, the present application discloses a corrosion-resistant high-purity mirror mold steel. When the molded part 4 is stuck in the dislocation cavity 3, the shaping part 6 and the limiting column 7 can extend into the molding cavity 5 and the limiting port 8 respectively, so that the raw material can be easily injected into the second mold body 2 and the first mold body 1 and formed through the molded part 4 and the dislocation cavity 3. The locking block 12 is stuck in the locking groove 11 to limit the first mold body 1 and the second mold body 2. Subsequently, by pushing the return rod 10 to move, the second mold body 2 and the first mold body 1 are separated and the molded material can be taken out at the same time, thereby improving the convenience of the device when in use.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A corrosion-resistant high-purity mirror mold steel, characterized by: It comprises a first mold body (1) and a second mold body (2), wherein the second mold body (2) is arranged on the top of the first mold body (1); The top of the first mold body (1) is provided with a dislocation cavity (3) for limiting position, and the inner wall of the dislocation cavity (3) is provided with a corrosion-resistant layer and an electroplating layer; A molding piece (4) matching the dislocation cavity (3) is arranged at the bottom of the second mold body (2), a molding cavity (5) for dislocation is provided on the molding piece (4), and a shaping piece (6) matching the molding cavity (5) is arranged on the first mold body (1) and located at the bottom of the inner wall of the dislocation cavity (3).

2. The corrosion-resistant high-purity mirror-finished mold steel according to claim 1, characterized in that: A limiting column (7) is provided on one side of the shaping piece (6) and at the bottom of the inner wall of the dislocation cavity (3), and a limiting opening (8) is provided at one end of the shaping piece (4).

3. The corrosion-resistant high-purity mirror-finished mold steel according to claim 2, characterized in that: The limiting opening (8) matches the limiting column (7), and the limiting column (7) extends into the limiting opening (8) and is engaged with the limiting opening (8).

4. The corrosion-resistant high-purity mirror-finished mold steel according to claim 1, characterized in that: The molding part (4) is provided with a guide groove (9) for limiting position, and both sides of the second mold body (2) are provided with locking grooves (11) for limiting position.

5. The corrosion-resistant high-purity mirror-finished mold steel according to claim 4, characterized in that: A material-removing rod (10) matching the guide groove (9) is arranged in the guide groove (9), a locking block (12) matching the locking groove (11) is arranged in the locking groove (11), and the locking block (12) is detachably connected to the first mold body (1).

6. The corrosion-resistant high-purity mirror-finished mold steel according to claim 5, characterized in that: A first hook piece (13) is arranged at the top of the material-returning rod (10), and a second hook piece (14) is arranged at one end of the locking block (12).

Citation Information

Patent Citations

  • Novel mould steel

    CN208703540U