Injection molding equipment with self-cleaning structure

By designing a self-cleaning structure in the injection molding equipment and using mechanical components to clean the residual raw materials in the injection molding mouth, the problem of plastic residue blockage after the injection mold is cooled is solved, and the smoothness and maintenance of the injection molding mouth are achieved.

CN222245823UActive Publication Date: 2024-12-27YANCHENG RUIFANXIN PRECISION MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420565309.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-22
Publication Date
2024-12-27
Estimated Expiration
2034-03-22

AI Technical Summary

Technical Problem

During the use of injection molds, plastic residues caused by cooling can easily block the injection molding port, affecting the injection molding of the product. Due to the small diameter of the injection molding port, the lack of special tools is inconvenient to clean.

Method used

An injection molding equipment with a self-cleaning structure is designed, including a base plate, storage tank, support plate and cleaning parts. The mechanical components such as lifting motors, rotating motors and guide columns are used to form a scraper to clean the residual raw materials in the injection molding mouth.

Benefits of technology

It effectively avoids blockage of the injection molding port, ensures the smoothness of the injection molding port, and facilitates the cleaning and maintenance of the mold.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222245823U_ABST
    Figure CN222245823U_ABST
Patent Text Reader

Abstract

The utility model discloses injection molding equipment with a self-cleaning structure, which comprises a bottom plate, the top surface of the bottom plate is fixedly connected with a fixed mold, the top surface of the fixed mold is provided with a movable mold, the top surface of the movable mold is fixedly connected with a top plate, and the top surface of the top plate vertically penetrates through an injection molding port communicated with the movable mold. A storage groove is vertically formed in one side of the bottom face of the bottom plate, a supporting plate is movably connected into the storage groove, and the other end of the supporting plate is movably connected with a cleaning piece. The storage groove is formed in the bottom plate, and the supporting plate provided with the cleaning part is movably connected in the storage groove, so that residual raw materials in an injection molding opening in a mold can be conveniently cleaned after the mold is opened, and the residual raw materials in the injection molding opening are prevented from blocking the injection molding opening.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding equipment, in particular to an injection molding equipment with a self-cleaning structure. Background Art

[0002] Injection molds are tools for producing plastic products; they are also tools that give plastic products a complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain parts with complex shapes. Specifically, it refers to the high-pressure injection of heated and melted plastic into the mold cavity by the injection molding machine, and after cooling and solidification, a molded product is obtained. When the injection mold is in use, the raw material needs to be added to the injection mold through the injection port. However, during the injection process, the mold sometimes leaves a certain amount of residue at the injection port due to the need for cooling. If the injection port is not cleaned for a long time, the injection port is easily blocked, thereby affecting the injection molding of the product. Due to the small diameter of the injection port, it is not easy to clean without special tools. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes an injection molding device with a self-cleaning structure.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an injection molding device with a self-cleaning structure, comprising a bottom plate, the top surface of the bottom plate is fixedly connected to a fixed mold, the top surface of the fixed mold is provided with a movable mold, the top surface of the movable mold is fixedly connected to a top plate, the top surface of the top plate vertically penetrates an injection port connected to the movable mold, a receiving groove is vertically opened on one side of the bottom surface of the bottom plate, a support plate is movably connected in the receiving groove, and the other end of the support plate is movably connected to a cleaning member.

[0005] As a further description of the above technical solution: a first lifting motor is vertically fixed on one side of the bottom wall of the storage groove, the output end of the first lifting motor is transmission-connected to the first guide column, the end of the first guide column is fixedly connected to the pad, a first rotating motor is vertically fixed on the top surface of the pad, the output end of the first rotating motor is transmission-connected to the first rotating shaft, and the first rotating shaft is vertically fixed to the bottom surface of the support plate.

[0006] As a further description of the above technical solution: the cleaning member includes a second rotating motor arranged in the storage groove, the second rotating motor is vertically fixed to the bottom surface of the support plate, the output end of the second rotating motor is transmission-connected to a second rotating shaft, the end of the second rotating shaft rotates and passes through the bottom surface of the support plate, the end of the second rotating shaft is fixedly connected to a circular plate, the top surface of the circular plate is vertically fixed with a second lifting motor, the output end of the second lifting motor is transmission-connected to a second guide column, a connecting shaft is concentrically fixed to the top surface of the second guide column, the outer edge of the connecting shaft is fixedly connected to a number of scrapers distributed in an equidistant ring, and the axis center of the second rotating shaft is on the same horizontal line as the axis center displacement of the first rotating shaft.

[0007] As a further description of the above technical solution: the axial center distance between the first rotating shaft and the injection port is equal to the axial center distance between the first rotating shaft and the second rotating shaft.

[0008] As a further description of the above technical solution: when the support plate rises to the highest point, the bottom surface of the second rotating motor is flush with the top surface of the fixed mold.

[0009] As a further description of the above technical solution: the end of the scraper is in contact with the inner wall of the injection port, and the contact surface between the scraper and the injection port is a tip inclined toward the center.

[0010] The utility model has the following beneficial effects:

[0011] Compared with the prior art, the injection molding equipment with a self-cleaning structure has a storage groove on the bottom plate, and a support plate with a cleaning member is movably connected in the storage groove, so that it is convenient to clean the residual raw material in the injection port of the mold after the mold is opened, thereby avoiding the residual raw material in the injection port from clogging the injection port. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a three-dimensional diagram of the overall structure of an injection molding device with a self-cleaning structure proposed by the utility model;

[0013] Figure 2 The utility model provides an injection molding device with a self-cleaning structure. Figure 1 A magnified view of the structure at center A;

[0014] Figure 3 This is a side sectional view of the connection between a base plate and a support plate of an injection molding device with a self-cleaning structure proposed by the utility model.

[0015] Legend:

[0016] 1. Bottom plate; 2. Storage groove; 3. Support plate; 4. Second lifting motor; 5. Fixed mold; 6. Moving mold; 7. Top plate; 8. Injection port; 9. Scraper; 10. Connecting shaft; 11. Round plate; 12. Second guide column; 13. Second rotating shaft; 14. Second rotating motor; 15. First lifting motor; 16. First guide column; 17. Pad; 18. First rotating motor; 19. First rotating shaft. DETAILED DESCRIPTION

[0017] 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.

[0018] Reference Figures 1 to 3 The utility model provides an injection molding device with a self-cleaning structure: comprising a bottom plate 1, the top surface of the bottom plate 1 is fixedly connected to a fixed mold 5, the top surface of the fixed mold 5 is provided with a movable mold 6, the top surface of the movable mold 6 is fixedly connected to a top plate 7, the top surface of the top plate 7 vertically penetrates an injection port 8 connected to the movable mold 6, a receiving groove 2 is vertically opened on one side of the bottom surface of the bottom plate 1, a support plate 3 is movably connected in the receiving groove 2, a first lifting motor 15 is vertically fixed on one side of the bottom wall of the receiving groove 2, the output end of the first lifting motor 15 is transmission-connected to a first guide column 16, the end of the first guide column 16 is fixedly connected to a pad 17, a first rotating motor 18 is vertically fixed on the top surface of the pad 17, the output end of the first rotating motor 18 is transmission-connected to a first rotating shaft 19, the first rotating shaft 19 is vertically fixed to the bottom surface of the support plate 3, and the other end of the support plate 3 is movably connected to a cleaning member; the cleaning member comprises a second rotating motor 14 arranged in the receiving groove 2, the second rotating motor 1 4 is vertically fixed on the bottom surface of the support plate 3, the output end of the second rotating motor 14 is transmission-connected to a second rotating shaft 13, the end of the second rotating shaft 13 rotates and penetrates the bottom surface of the support plate 3, the end of the second rotating shaft 13 is fixedly connected to the circular plate 11, the top surface of the circular plate 11 is vertically fixed to the second lifting motor 4, the output end of the second lifting motor 4 is transmission-connected to the second guide column 12, the top surface of the second guide column 12 is concentrically fixed with a connecting shaft 10, the outer edge of the connecting shaft 10 is fixedly connected to a plurality of scrapers 9 distributed in an annular manner at equal distances, the axis of the second rotating shaft 13 is on the same horizontal line as the axis of the first rotating shaft 19, the axial center distance between the first rotating shaft 19 and the injection port 8 is equal to the axial center distance between the first rotating shaft 19 and the second rotating shaft 13, when the support plate 3 rises to the highest point, the bottom surface of the second rotating motor 14 is flush with the top surface of the fixed mold 5, the end of the scraper 9 is in contact with the inner wall of the injection port 8, and the contact surface between the scraper 9 and the injection port 8 is a tip inclined toward the center.

[0019] By opening a receiving groove 2 on the bottom plate 1, and movably connecting a support plate 3 provided with a cleaning member in the receiving groove 2, it is convenient to clean the residual raw material in the injection port 8 of the mold after the mold is opened, thereby preventing the residual raw material in the injection port 8 from blocking the injection port 8;

[0020] Working principle: During use, after the mold is used, the fixed mold 5 and the movable mold 6 are separated, and the first lifting motor 15 drives the support plate 3 to rise, so that the support plate 3 leaves the storage groove 2 with the cleaning piece, and then the first rotating motor 18 drives the support plate 3 to rotate 90 degrees, so that the cleaning agent on the support plate 3 rotates to just below the injection port 8, and then the second rotating motor 14 drives the scraper 9 to rotate, and at the same time the second lifting motor 4 drives the rotating scraper 9 to rise, so that the rotating scraper 9 scrapes off the residual raw material in the injection port 8, thereby ensuring the smooth flow of the injection port 8 on the mold.

[0021] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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. An injection molding device with a self-cleaning structure, comprising a bottom plate (1), the top surface of the bottom plate (1) being fixedly connected to a fixed mold (5), the top surface of the fixed mold (5) being provided with a movable mold (6), the top surface of the movable mold (6) being fixedly connected to a top plate (7), the top surface of the top plate (7) vertically penetrating an injection port (8) communicating with the movable mold (6), characterized in that: A receiving groove (2) is vertically provided on one side of the bottom surface of the bottom plate (1), a support plate (3) is movably connected inside the receiving groove (2), and a cleaning member is movably connected to the other end of the support plate (3).

2. The injection molding device with a self-cleaning structure according to claim 1, characterized in that: A first lifting motor (15) is vertically fixed on one side of the bottom wall of the storage groove (2); the output end of the first lifting motor (15) is transmission-connected to a first guide column (16); the end of the first guide column (16) is fixedly connected to a pad (17); a first rotating motor (18) is vertically fixed on the top surface of the pad (17); the output end of the first rotating motor (18) is transmission-connected to a first rotating shaft (19); and the first rotating shaft (19) is vertically fixed to the bottom surface of the support plate (3).

3. The injection molding device with a self-cleaning structure according to claim 2, characterized in that: The cleaning member comprises a second rotating motor (14) arranged in the receiving groove (2), the second rotating motor (14) being vertically fixed to the bottom surface of the support plate (3), the output end of the second rotating motor (14) being transmission-connected to a second rotating shaft (13), the end of the second rotating shaft (13) rotatingly passing through the bottom surface of the support plate (3), the end of the second rotating shaft (13) being fixedly connected to a circular plate (11), the top surface of the circular plate (11) being vertically fixed to a second lifting motor (4), the output end of the second lifting motor (4) being transmission-connected to a second guide column (12), the top surface of the second guide column (12) being concentrically fixed to a connecting shaft (10), the outer edge of the connecting shaft (10) being fixedly connected to a plurality of scrapers (9) distributed in an annular manner at equal distances, the axis of the second rotating shaft (13) being displaced on the same horizontal line as the axis of the first rotating shaft (19).

4. The injection molding device with a self-cleaning structure according to claim 3, characterized in that: The axial center distance between the first rotating shaft (19) and the injection port (8) is equal to the axial center distance between the first rotating shaft (19) and the second rotating shaft (13).

5. The injection molding device with a self-cleaning structure according to claim 3, characterized in that: When the support plate (3) rises to the highest point, the bottom surface of the second rotating motor (14) is flush with the top surface of the fixed mold (5).

6. The injection molding device with a self-cleaning structure according to claim 3, characterized in that: The end of the scraper (9) is in contact with the inner wall of the injection port (8), and the contact surface between the scraper (9) and the injection port (8) is a tip inclined toward the center.