Filter for injection molding machine

By designing a rotatable filter structure and motor drive in the injection molding machine, the problem of easy clogging of the filter in the traditional injection molding machine is solved, the long life and convenient replacement of the filter is achieved, and the efficiency of use is improved.

CN223115780UActive Publication Date: 2025-07-18SUZHOU GET PLASTIC TECH CO LTD
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Patent Information

Application Number
CN202421973746.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-15
Publication Date
2025-07-18
Estimated Expiration
2034-08-15

AI Technical Summary

Technical Problem

The filter mesh of the filter in the traditional injection molding machine is easily blocked by impurities, and the extrusion mechanism needs to be frequently disassembled and cleaned, which is inconvenient to use.

Method used

Design a filter with an inclined inclined tube and a motor-driven filter. The filter can rotate and drive the filter into the inclined tube through the motor to avoid blockage and facilitate replacement when needed.

Benefits of technology

It extends the service life and replacement cycle of the filter, simplifies the replacement process of the filter, and improves the convenience of use.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223115780U_ABST
    Figure CN223115780U_ABST
Patent Text Reader

Abstract

The utility model discloses a filter for an injection molding machine, which comprises a feed pipe, an inclined pipe and a discharge pipe, the feed pipe is communicated with the discharge pipe through the inclined pipe, and the inclined pipe is inclined; a sealing cover is installed at the top end of the inclined pipe, fixing flanges are arranged on the side of the sealing cover and the side of the inclined pipe, and a motor is installed at the top end of the sealing cover. A filter screen is rotationally connected into the inclined pipe, a filter screen fixing end is fixedly connected to the top end of the filter screen, and a transmission protrusion is arranged at the top end of the filter screen fixing end. The filter screen can rotate, so that longer service life and longer replacement period can be provided, during use, materials enter the filter screen through the feeding pipe, impurities are filtered through the contact surface of the filter screen and the discharging pipe, meanwhile, the motor is started, the motor can drive the filter screen to rotate, and the filter screen is driven to rotate. Therefore, the working area of the filter screen is continuously replaced, and the service life of the filter screen is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machines, and particularly relates to a filter for an injection molding machine. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a variety of flower patterns and colors, shapes that can range from simple to complex, sizes that can range from large to small, precise product dimensions, easy product updates, and the ability to form complex-shaped parts. Injection molding is suitable for mass production and molding processing fields of complex-shaped products.

[0003] Traditional injection molding machines need to filter the melted particles before injection. In the prior art, the filter is installed inside the extrusion mechanism. After long-term use, the filter screen will be blocked by impurities and needs to be frequently replaced and cleaned. When replacing, the extrusion mechanism needs to be disassembled, which is very inconvenient to use.

[0004] Therefore, how to provide a filter for an injection molding machine to solve the problems existing in the prior art is of great significance for its application. Content of the Utility Model

[0005] In view of this, the purpose of this application is to provide a filter for an injection molding machine to solve the problem that in the prior art, the filter is installed inside the extrusion mechanism, the filter screen will be blocked by impurities after long-term use, needs to be frequently replaced and cleaned, and the extrusion mechanism needs to be disassembled when replacing, which is very inconvenient to use.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A filter for an injection molding machine includes a feed pipe, an inclined pipe, and a discharge pipe. The feed pipe and the discharge pipe are connected through the inclined pipe, and the inclined pipe is set to be inclined.

[0008] A sealing cover is installed at the top end of the inclined pipe. Fixed flanges are provided on the side of the sealing cover and the side of the inclined pipe. A motor is installed at the top end of the sealing cover.

[0009] A filter screen is rotatably connected inside the inclined pipe. The top end of the filter screen is fixedly connected to a filter screen fixed end. A transmission protrusion is provided at the top end of the filter screen fixed end. The output end of the motor is drivingly connected to a transmission cover, and the transmission cover is drivingly connected to the transmission protrusion.

[0010] Preferably, a limiting ring is provided at the bottom end of the inclined pipe, and the limiting ring is adapted to the filter screen.

[0011] Preferably, threaded holes are provided on one side of the transmission protrusion and one side of the transmission cover, and the two threaded holes are fixedly connected by bolts.

[0012] Preferably, an oil cylinder is installed on one side of the inclined pipe, and the telescopic end of the oil cylinder is fixedly connected to the sealing cover.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. The filter screen in the present utility model can rotate, thereby providing a longer service life and a longer replacement cycle. During use, the material enters the interior of the filter screen through the feed pipe, and impurities are filtered through the contact surface between the filter screen and the discharge pipe. At the same time, the motor is started, and the motor can drive the filter screen to rotate, so as to continuously change the working area of the filter screen, thereby extending the service life of the filter screen.

[0015] 2. The present utility model can conveniently replace the filter screen. When the filter screen needs to be replaced, the screws on the flange at the top of the inclined pipe and the sealing cover are removed at this time, and then the oil cylinder is started to drive the sealing cover to rise, thereby driving the filter screen to disengage from the inclined pipe together. After removing the bolts used to connect the transmission cover and the transmission protrusion, the filter screen can be removed, which is convenient for replacement.

[0016] The above description is only an overview of the technical solution of the present application. In order to be able to understand the technical means of the present application more clearly, it can be implemented according to the content of the description. Moreover, in order to make the above and other purposes, features and advantages of the present application more obvious and understandable, the following describes the preferred embodiments of the present application in detail in conjunction with the accompanying drawings.

[0017] Those skilled in the art will understand the above and other purposes, advantages and features of the present application more clearly according to the following detailed description of the specific embodiments of the present application in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. In all the drawings, similar elements or parts are generally denoted by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to actual scale.

[0019] Figure 1 It is a schematic structural diagram of the present utility model;

[0020] Figure 2 It is a schematic structural diagram of the filter screen in the present utility model.

[0021] In the figure: 1, feed pipe; 2, inclined pipe; 3, filter screen; 4, fixed end of filter screen; 5, discharge pipe; 6, fixed flange; 7, drive cover; 8, motor; 9, sealing cover; 10, drive projection; 11, oil cylinder; 12, limit ring. Specific embodiments

[0022] To make the objectives, technical solutions and advantages of the embodiments of this application clearer, the following will clearly and completely describe the technical solutions in the embodiments of this application with reference to the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are some but not all of the embodiments of this application. In the following description, specific details such as specific configurations and components are provided only to assist in a comprehensive understanding of the embodiments of this application. Therefore, those skilled in the art should understand that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of this application. Additionally, descriptions of known functions and structures are omitted in the embodiments for clarity and conciseness.

[0023] Furthermore, this application may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or arrangements discussed.

[0024] The term "and / or" in this document is merely a description of the associated relationship of the associated objects, indicating that three relationships may exist. For example, A and / or B may represent: A exists alone, B exists alone, and both A and B exist simultaneously. The term " / and" in this document describes another associated object relationship, indicating that two relationships may exist. For example, A / and B may represent: A exists alone, and both A and B exist. Additionally, the character " / " in this document generally indicates that the associated objects before and after are in an "or" relationship.

[0025] It should also be noted that in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion.

[0026] Please refer to Figure 1-2 , this invention provides a technical solution for a filter for an injection molding machine: 1. A filter for an injection molding machine, including a feed pipe 1, an inclined pipe 2 and a discharge pipe 5. The feed pipe 1 and the discharge pipe 5 are connected through the inclined pipe 2, and the inclined pipe 2 is set to be inclined;

[0027] A sealing cover 9 is installed at the top end of the inclined pipe 2. Fixed flanges 6 are provided on the side of the sealing cover 9 and the side of the inclined pipe 2, and a motor 8 is installed at the top end of the sealing cover 9;

[0028] Inside the inclined tube 2, a filter screen 3 is rotatably connected. At the top end of the filter screen 3, a filter screen fixed end 4 is fixedly connected. At the top end of the filter screen fixed end 4, a transmission protrusion 10 is provided. The output end of the motor 8 is drivingly connected to a transmission cover 7, and the transmission cover 7 is drivingly connected to the transmission protrusion 10.

[0029] In this embodiment, the material enters the inside of the filter screen 3 through the feed pipe 1, and impurities are filtered through the contact surface between the filter screen 3 and the discharge pipe 5. At the same time, the motor 8 is started. The motor 8 drives the filter screen 3 to rotate through the transmission cover 7, the transmission protrusion 10, and the filter screen fixed end 4, so as to continuously change the working area of the filter screen 3, thereby prolonging the service life of the filter screen.

[0030] At the bottom end of the inclined tube 2, a limit ring 12 is provided. The limit ring 12 is adapted to the filter screen 3 and is used to limit the filter screen 3.

[0031] Threaded holes are formed on one side of the transmission protrusion 10 and one side of the transmission cover 7, and the two threaded holes are fixedly connected by bolts. An oil cylinder 11 is installed on one side of the inclined tube 2, and the telescopic end of the oil cylinder 11 is fixedly connected to the sealing cover 9.

[0032] In this embodiment, when the filter screen 3 needs to be replaced, the screws on the flange 6 at the top end of the sealing cover 9 and the inclined tube 2 are removed, and then the oil cylinder 11 is started to drive the sealing cover 9 to rise, thereby driving the filter screen 3 to disengage from the inclined tube 2 together. After removing the bolts for connecting the transmission cover 7 and the transmission protrusion 10, the filter screen 3 can be removed, which is convenient for replacement.

[0033] During specific use, the material enters the inside of the filter screen 3 through the feed pipe 1, and impurities are filtered through the contact surface between the filter screen 3 and the discharge pipe 5. At the same time, the motor 8 is started. The motor 8 drives the filter screen 3 to rotate through the transmission cover 7, the transmission protrusion 10, and the filter screen fixed end 4, so as to continuously change the working area of the filter screen 3, thereby prolonging the service life of the filter screen; when the filter screen 3 needs to be replaced, the screws on the flange 6 at the top end of the sealing cover 9 and the inclined tube 2 are removed, and then the oil cylinder 11 is started to drive the sealing cover 9 to rise, thereby driving the filter screen 3 to disengage from the inclined tube 2 together. After removing the bolts for connecting the transmission cover 7 and the transmission protrusion 10, the filter screen 3 can be removed, which is convenient for replacement.

[0034] The above are only the preferred embodiments of the present invention, and it does not limit the protection scope of the present invention. For those skilled in the art, the present invention can have various changes and modifications. All changes, modifications, substitutions, integrations, and parameter changes made to these embodiments through conventional substitutions or capable of achieving the same functions without departing from the principle and spirit of the present invention fall within the protection scope of the present invention.

Claims

1. A filter for an injection molding machine, characterized in that: It includes a feed pipe (1), an inclined pipe (2) and a discharge pipe (5). The feed pipe (1) and the discharge pipe (5) are connected through the inclined pipe (2), and the inclined pipe (2) is set to be inclined. A sealing cover (9) is installed at the top end of the inclined pipe (2). Fixed flanges (6) are provided on the side of the sealing cover (9) and the side of the inclined pipe (2). A motor (8) is installed at the top end of the sealing cover (9). A filter screen (3) is rotatably connected inside the inclined pipe (2). The top end of the filter screen (3) is fixedly connected to a filter screen fixed end (4). A transmission protrusion (10) is provided at the top end of the filter screen fixed end (4). The output end of the motor (8) is drivingly connected to a transmission cover (7), and the transmission cover (7) is drivingly connected to the transmission protrusion (10).

2. The filter for an injection molding machine according to claim 1, wherein: A limit ring (12) is provided at the bottom end of the inclined pipe (2), and the limit ring (12) is adapted to the filter screen (3).

3. The filter for an injection molding machine according to claim 2, wherein: Threaded holes are formed on one side of the transmission protrusion (10) and one side of the transmission cover (7), and the two threaded holes are fixedly connected by bolts.

4. The filter for an injection molding machine according to claim 3, characterized in that: An oil cylinder (11) is installed on one side of the inclined pipe (2), and the telescopic end of the oil cylinder (11) is fixedly connected to the sealing cover (9).