Injection mold with high precision machining injection molding efficiency

By designing an injection mold including guide columns and fixing bolts, the problem of inconvenient disassembly and assembly and maintenance of existing molds is solved, and the injection molding efficiency is improved.

CN222832246UActive Publication Date: 2025-05-06FOSHAN QUANBIN PRECISION HARDWARE CO LTD
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Patent Information

Application Number
CN202420362018.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-27
Publication Date
2025-05-06
Estimated Expiration
2034-02-27

AI Technical Summary

Technical Problem

The existing injection molds have defects in structural complexity, resulting in inconvenience in disassembly and assembly and maintenance, blocked channels and cleaning difficulties, thereby reducing the injection molding efficiency of parts production.

Method used

An injection mold including a front positioning plate, a rear positioning plate and a movable valve plate is designed, which can be easily assembled through guide columns and fixing bolts, and the hydraulic cylinder and drive shaft are used to achieve rapid disassembly and assembly and maintenance of the mold.

Benefits of technology

It realizes rapid disassembly and assembly and maintenance of injection molds, facilitates cleaning, and improves injection molding efficiency in component production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of machining, and discloses a precision machining injection mold with high injection molding efficiency, which comprises a front positioning plate and a rear positioning plate which are distributed oppositely, a movable valve plate is arranged between the front positioning plate and the rear positioning plate, and guide columns are arranged at corners of the movable valve plate, the front positioning plate and the rear positioning plate in a penetrating manner. The outer wall of the front positioning plate and the outer wall of the rear positioning plate are provided with fixing bolts, the fixing bolts are connected with the guide columns, the two sides of the front positioning plate, the two sides of the movable valve plate and the two sides of the rear positioning plate are provided with side seats, clamping bolts are arranged outside the side seats, and the opposite outer walls of the rear positioning plate and the movable valve plate are provided with a fixed mold and a movable mold respectively. By the adoption of the guide columns and the fixing bolts, the front positioning plate, the rear positioning plate and the movable valve plate can be conveniently assembled. The scheme has the advantages of being simple in structure and easy to operate, and the injection mold can be quickly disassembled and assembled, so that maintenance and cleaning are convenient, and the part production injection molding efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to an injection mold with high injection molding efficiency for precision mechanical processing. Background Art

[0002] Precision machining is a high-precision and high-efficiency manufacturing method, which is widely used in various industries that require high-precision and high-quality parts. This processing technology is increasingly mature in my country, providing strong technical support for many manufacturing industries.

[0003] Injection molds are an important area of ​​precision machining. Injection molds are parts that are made into the desired shape by injecting molten plastic into the mold using an injection molding machine and then cooling and solidifying it. Injection molds are widely used in the automotive, electronics, home appliance and other industries. The design and manufacture of precision injection molds have an important impact on the accuracy, quality and production efficiency of plastic products.

[0004] In the manufacturing industry, the importance of parts processing is self-evident. In this process, injection molding technology plays a pivotal role. However, the current injection molds have certain design defects, especially in terms of structural complexity, which brings many inconveniences to disassembly and maintenance. These problems have led to channel blockage and difficulty in cleaning to a certain extent, which in turn reduces the injection molding efficiency of parts production.

[0005] Therefore, based on the above technical problems, it is necessary for technicians in this field to develop an injection mold with high precision machining injection molding efficiency. Utility Model Content

[0006] The utility model aims to provide an injection mold with high injection molding efficiency through precision machining, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A technical solution for an injection mold with high injection molding efficiency through precision machining, comprising a front positioning plate and a rear positioning plate which are relatively distributed, a movable valve plate being arranged between the front positioning plate and the rear positioning plate, guide columns being passed through the corners of the movable valve plate, the front positioning plate and the rear positioning plate, fixing bolts being arranged on the outer walls of the front positioning plate and the rear positioning plate, the fixing bolts being connected to the guide columns, side seats being arranged on both sides of the front positioning plate, the movable valve plate and the rear positioning plate, clamping bolts being arranged outside the side seats, and a fixed mold and a movable mold being arranged on the opposite outer walls of the rear positioning plate and the movable valve plate, respectively.

[0009] As a preferred technical solution, the front positioning plate, the movable valve plate and the rear positioning plate are all slidably matched with the side seats, and each side seat is evenly clamped with bolts.

[0010] As a preferred technical solution, the movable valve plate is slidably matched with the guide column.

[0011] As a preferred technical solution, an opening and closing mold assembly is provided on one side adjacent to the front positioning plate, and the opening and closing mold assembly includes symmetrically distributed hydraulic cylinder seats, a hydraulic cylinder is provided between the two hydraulic cylinder seats, a drive shaft is provided at the output end of the hydraulic cylinder, and the drive shaft passes through the front positioning plate and is connected to the movable valve plate.

[0012] As a preferred technical solution, a positioning rod is passed through the corners of the two hydraulic cylinder seats, and a thread groove is provided at the end of the positioning rod, and a matching nut is provided outside the thread groove.

[0013] As a preferred technical solution, a hydraulic station is arranged below the hydraulic cylinder, an oil pipe 1 is arranged at the output end of the hydraulic station, and the oil pipe 1 is connected to the liquid inlet interface of the hydraulic cylinder, and an oil pipe 2 is arranged at the input end of the hydraulic station, and the oil pipe 2 is connected to the liquid outlet interface of the hydraulic cylinder.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model is an injection mold with high injection molding efficiency through precision machining. By adopting guide columns and fixing bolts, the front positioning plate, the rear positioning plate and the movable valve plate can be conveniently assembled. This solution has the advantages of simple structure and easy operation, and can realize the rapid disassembly and assembly of the injection mold, thereby facilitating maintenance and cleaning, and improving the injection molding efficiency of parts production. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of an injection mold with high injection molding efficiency through precision machining;

[0017] Figure 2 The schematic diagram of a valve plate structure with high precision machining and injection molding efficiency is shown in FIG.

[0018] In the accompanying drawings: 1, side seat; 21, front positioning plate; 22, movable valve plate; 23, rear positioning plate; 24, guide column; 25, fixed mold; 26, movable mold; 31, fixing bolt; 32, clamping bolt; 41, hydraulic cylinder seat; 42, hydraulic cylinder; 43, driving shaft; 44, positioning rod; 45, nut; 51, hydraulic station; 52, oil pipe one; 53, oil pipe two. DETAILED DESCRIPTION

[0019] The features and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. For those skilled in the art, the present invention can be implemented without the need for some of these specific details. The following description of the embodiments is only intended to provide a better understanding of the present invention by illustrating examples of the present invention.

[0020] like Figure 1 and Figure 2 As shown, the utility model provides a technical solution for an injection mold with high injection molding efficiency through precision machining: it includes a front positioning plate 21 and a rear positioning plate 23, which are relatively distributed. A movable valve plate 22 is arranged between the two positioning plates. The corners of the movable valve plate 22, the front positioning plate 21 and the rear positioning plate 23 pass through the guide column 24. There is a sliding fit relationship between the movable valve plate 22 and the guide column 24. Fixed bolts 31 are arranged on the outer walls of the front positioning plate 21 and the rear positioning plate 23, and these fixed bolts are connected to the guide column 24. Side seats 1 are arranged on both sides of the front positioning plate 21, the movable valve plate 22 and the rear positioning plate 23, and they are in a sliding fit relationship with the side seats 1. The clamping bolts 32 on each side seat 1 are against the corresponding components. The outside of the side seat 1 is provided with clamping bolts 32. Fixed molds 25 and movable molds 26 are respectively arranged on the relative outer walls of the rear positioning plate 23 and the movable valve plate 22.

[0021] In this embodiment, the guide column 24 is assembled with the front positioning plate 21, the movable valve plate 22 and the rear positioning plate 23, and assembled with the fixing bolt 31, and then the front positioning plate 21, the movable valve plate 22 and the rear positioning plate 23 are installed in the side seat 1 to complete the installation.

[0022] like Figure 1 and Figure 2 As shown, a mold opening and closing assembly is provided on one side of the front positioning plate 21. The mold opening and closing assembly includes symmetrically arranged hydraulic cylinder seats 41, and a hydraulic cylinder 42 located between the two hydraulic cylinder seats 41. A drive shaft 43 is provided at the output end of the hydraulic cylinder 42, and the drive shaft 43 passes through the front positioning plate 21 and is connected to its movable valve plate 22. Between the corners of the two hydraulic cylinder seats 41, a positioning rod 44 is provided, and a threaded groove is provided at the end thereof, and a nut 45 adapted thereto is provided outside the groove. A hydraulic station 51 is provided below the hydraulic cylinder 42, and an oil pipe 1 52 is provided at the output end of the hydraulic station 51, and the oil pipe 1 52 is connected to the liquid inlet interface of the hydraulic cylinder 42. At the same time, an oil pipe 2 53 is provided at the input end of the hydraulic station 51, and the oil pipe 2 53 is connected to the liquid outlet interface of the hydraulic cylinder 42.

[0023] In this embodiment, the hydraulic station 51 acts on the hydraulic cylinder 42, and the oil pipe 52 injects high-pressure oil into the hydraulic cylinder 42. The hydraulic cylinder 42 acts on the drive shaft 43 to extend outward, and then drives the movable valve plate 22 to move along the guide column 24 to complete the mold closing. When opening, the oil pipe 53 injects high-pressure oil into the hydraulic cylinder 42, and the hydraulic cylinder 42 acts on the drive shaft 43 to recover, and the mold opens.

[0024] The working principle and use process of the utility model: After the utility model is installed, it works according to the above implementation method until all the working steps are completed.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0026] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0028] According to the embodiments of the present invention as described above, these embodiments do not describe all the details in detail, nor do they limit the present invention to specific embodiments. Obviously, many modifications and changes can be made based on the above description. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can make good use of the present invention and the modified use based on the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An injection mold with high injection molding efficiency through precision machining, characterized in that: The invention comprises a front positioning plate (21) and a rear positioning plate (23) which are arranged in a relative shape, a movable valve plate (22) is arranged between the front positioning plate (21) and the rear positioning plate (23), guide columns (24) are commonly penetrated at the corners of the movable valve plate (22), the front positioning plate (21) and the rear positioning plate (23), fixing bolts (31) are arranged on the outer walls of the front positioning plate (21) and the rear positioning plate (23), and the fixing bolts (31) are connected to the guide columns (24), side seats (1) are arranged on both sides of the front positioning plate (21), the movable valve plate (22) and the rear positioning plate (23), and a clamping bolt (32) is arranged outside the side seat (1), and a fixed mold (25) and a movable mold (26) are respectively arranged on the opposite outer walls of the rear positioning plate (23) and the movable valve plate (22).

2. The injection mold with high injection molding efficiency by precision machining according to claim 1, characterized in that: The front positioning plate (21), the movable valve plate (22) and the rear positioning plate (23) are all slidably matched with the side seat (1).

3. The injection mold with high injection molding efficiency by precision machining according to claim 1, characterized in that: The movable valve plate (22) is slidably matched with the guide column (24).

4. The injection mold with high injection molding efficiency by precision machining according to claim 1, characterized in that: An opening and closing mold assembly is provided on one side adjacent to the front positioning plate (21), and the opening and closing mold assembly includes hydraulic cylinder seats (41) distributed in a symmetrical shape, a hydraulic cylinder (42) is provided between the two hydraulic cylinder seats (41), a driving shaft (43) is provided at the output end of the hydraulic cylinder (42), and the driving shaft (43) passes through the front positioning plate (21) and is connected to the movable valve plate (22).

5. The injection mold with high injection molding efficiency by precision machining according to claim 4, characterized in that: A positioning rod (44) is provided between the corners of the two hydraulic cylinder seats (41), and a thread groove is provided at the end of the positioning rod (44), and a matching nut (45) is provided outside the thread groove.

6. The injection mold with high injection molding efficiency by precision machining according to claim 4, characterized in that: A hydraulic station (51) is arranged below the hydraulic cylinder (42); an oil pipe (52) is arranged at the output end of the hydraulic station (51); the oil pipe (52) is connected to the liquid inlet interface of the hydraulic cylinder (42); and an oil pipe (53) is arranged at the input end of the hydraulic station (51); the oil pipe (53) is connected to the liquid outlet interface of the hydraulic cylinder (42).