Injection molding equipment for automobile rearview mirror plastic part production

By introducing structures such as power boxes, barrels, heating sleeves and lift gate valves into the injection molding equipment, efficient cleaning of residual materials inside the injection molding head is solved, and the problem of product quality affected by deterioration or pollution after shutdown is solved, ensuring production Continuity and quality of the process.

CN222328892UActive Publication Date: 2025-01-10CHENGSHENGJIE ELECTRONIC TECHNOLOGY (JIANGSU) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421194775.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-01-10
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

After the injection molding equipment is shut down, the residual material inside the injection molding head may deteriorate or be contaminated, which will affect the product quality, and waste discharge is required to ensure the continuity and quality of the production process.

Method used

An injection molding equipment for the production of plastic parts of automotive rearview mirrors was designed, including a power box, barrel, heating sleeve, lift gate valve, mold, drive motor and waste pipe. By closing the lift gate valve, opening the heating sleeve and heating mixing rod, The spiral conveyor rod and drive motor are used to accelerate the melting of the residual material and clean it through the waste drain pipe.

Benefits of technology

The residual material inside the injection molding head is effectively cleaned, avoiding product quality problems caused by deterioration or pollution, and improving the continuity of the production process and product quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222328892U_ABST
    Figure CN222328892U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of injection molding equipment, and discloses injection molding equipment for producing automobile rearview mirror plastic parts, which comprises a working table, a power box is arranged on one side of the upper end of the working table, a machine barrel is arranged on one side outside the power box, and a first lifting gate valve is arranged at one end of an injection molding head outside the machine barrel. A first mold is arranged at the end, away from the machine barrel, of the exterior of the first lifting gate valve, and a second mold is arranged on one side of the exterior of the first mold. And a second driving motor is fixedly installed in the machine barrel and located in the injection molding head, a heating stirring rod is installed at the output end of the second driving motor, a waste discharging pipe is arranged at the position, located at the lower end of the injection molding head, of the outer portion of the machine barrel, and a second lifting gate valve is installed at the lower end of the waste discharging pipe. The heating and stirring structure is arranged in the injection molding head to be matched with the waste discharging structure, so that excess materials are discharged more conveniently, and the injection molding quality 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 injection molding equipment, in particular to an injection molding equipment for producing automobile rearview mirror plastic parts. Background Art

[0002] The plastic parts of the car rearview mirror mainly include the mirror frame, adjustment rod, bracket and connector, etc. These plastic parts are generally processed by injection molding machines during the manufacturing process.

[0003] First, the plastic pellets are heated to a molten state, and then the molten plastic is injected into the mold by an injection molding machine. After cooling and solidification, it is taken out to obtain the desired initial shape. Next, these plastic parts are trimmed and polished according to the design requirements to give them a smooth surface and precise dimensions. Finally, these plastic parts are assembled with the mirror surface to complete the assembly of the entire rearview mirror.

[0004] When the machine needs to be shut down for maintenance, there is residual material inside the injection head. After the machine is turned on again, the residual material inside the injection head has deteriorated, contaminated or does not meet the product requirements. Then, continuing to use it after heating it may have an adverse effect on product quality. In this case, in order to ensure product quality, the residual material will be heated and then discharged. For this purpose, an injection molding equipment for the production of automobile rearview mirror plastic parts is proposed. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies of the prior art, the utility model provides an injection molding device for producing automobile rearview mirror plastic parts to solve the problem of the need to discharge the residual material inside the injection molding head proposed in the above background technology.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model provides the following technical solution: an injection molding device for producing automobile rearview mirror plastic parts, comprising:

[0009] A workbench, a power box is arranged on one side of the upper end of the workbench, a barrel is arranged on one side outside the power box, a first lifting gate valve is arranged on one end of the barrel located at the injection head, a first mold is arranged on the end of the first lifting gate valve away from the barrel, and a second mold is arranged on one side outside the first mold;

[0010] A heating sleeve is arranged on the outside of the barrel, the output end of the power box is located inside the barrel and is equipped with a second screw conveying rod, the inside of the barrel is located inside the injection molding head and is fixedly equipped with a second drive motor, the output end of the second drive motor is equipped with a heating stirring rod, the outside of the barrel is located at the lower end of the injection molding head and is equipped with a waste discharge pipe, and the lower end of the waste discharge pipe is equipped with a second lifting gate valve;

[0011] The feed hopper is arranged on the right side of the upper end of the barrel.

[0012] Preferably, a first driving motor is installed inside the upper end of the feed hopper, and a stirring frame is installed at the output end of the first driving motor, and the stirring frame is used to break up and stir the raw materials.

[0013] Preferably, the stirring frame is fixedly connected to the output end of the first driving motor, and the output end of the first driving motor is located at the lower end of the stirring frame and a first screw conveying rod is installed, and the first screw conveying rod is used to convey the raw materials.

[0014] Preferably, an electric push rod is provided on the left side of the exterior of the second mold, and the electric push rod is fixedly connected to the second mold.

[0015] Preferably, a fixed side plate is provided on the outside of the electric push rod, the electric push rod is fixedly connected to the fixed side plate, the fixed side plate is fixedly connected to the workbench, and the electric push rod is used to control the movement of the second mold.

[0016] Preferably, a supporting leg is provided at the lower end of the workbench, and the supporting leg is fixedly connected to the workbench, and the supporting leg is used to support the workbench.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the utility model provides an injection molding device for producing automobile rearview mirror plastic parts, which has the following beneficial effects:

[0019] The utility model closes the first lifting gate valve and opens the second lifting gate valve, and heats the residual material until it is melted by opening the heating sleeve and the heating stirring rod, and at the same time starts the second driving motor to rotate the heating stirring rod to accelerate the melting speed of the residual material, and starts the power box to rotate the first spiral conveying rod to discharge the residual material through the waste discharge pipe, thereby making it more convenient to clean the residual material and solving the problems raised in the background technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0021] Figure 2 This is a cross-sectional view of the internal structure of the barrel of the utility model;

[0022] Figure 3 For the utility model Figure 2 A partial enlarged view of area A.

[0023] In the figure: 1. workbench; 2. power box; 3. barrel; 4. heating sleeve; 5. feed hopper; 6. waste discharge pipe; 7. first lifting gate valve; 8. second lifting gate valve; 9. first mold; 10. fixed side plate; 11. electric push rod; 12. second mold; 13. first drive motor; 14. stirring frame; 15. first screw conveyor rod; 16. second drive motor; 17. heating stirring rod; 18. second screw conveyor rod. DETAILED DESCRIPTION

[0024] 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.

[0025] The utility model provides a technical solution, an injection molding device for producing automobile rearview mirror plastic parts, please refer to Figure 1 , Figure 2 and Figure 3 ,include:

[0026] A workbench 1, a power box 2 is arranged on one side of the upper end of the workbench 1, a barrel 3 is arranged on one side outside the power box 2, a first lifting gate valve 7 is arranged on one end of the barrel 3 located at the injection head, a first mold 9 is arranged on the end of the first lifting gate valve 7 away from the barrel 3, and a second mold 12 is arranged on one side outside the first mold 9;

[0027] The heating sleeve 4 is arranged outside the barrel 3, the output end of the power box 2 is located inside the barrel 3 and is equipped with a second screw conveying rod 18, the inside of the barrel 3 is located inside the injection molding head and is fixedly equipped with a second drive motor 16, the output end of the second drive motor 16 is equipped with a heating stirring rod 17, the outside of the barrel 3 is located at the lower end of the injection molding head and is equipped with a waste discharge pipe 6, and the lower end of the waste discharge pipe 6 is equipped with a second lifting gate valve 8;

[0028] The feed hopper 5 is arranged on the right side of the upper end of the barrel 3 .

[0029] When in use, close the first lifting gate valve 7 and open the second lifting gate valve 8, open the heating sleeve 4 and the heating stirring rod 17 to heat the residual material until it melts, and start the second drive motor 16 to rotate the heating stirring rod 17 to accelerate the melting speed of the residual material, and start the power box 2 to rotate the first spiral conveying rod 15 to discharge the residual material through the waste pipe 6, so as to make the cleaning of the residual material more convenient. It should be noted that in order to save space and highlight the innovative elements of this patent, this solution is based on the existing injection molding machine and improves its related structures, such as the power box 2, heating sleeve 4, lifting gate valve, mold, electric push rod 11, drive motor, spiral conveying rod and other conventional equipment, which will not be repeated in this patent.

[0030] See also Figure 2 A first driving motor 13 is installed inside the upper end of the feed hopper 5, and a stirring frame 14 is installed at the output end of the first driving motor 13. The stirring frame 14 is used to break up and stir the raw materials.

[0031] See also Figure 2 The stirring frame 14 is fixedly connected to the output end of the first driving motor 13 . The output end of the first driving motor 13 is located at the lower end of the stirring frame 14 . A first screw conveying rod 15 is installed. The first screw conveying rod 15 is used to convey raw materials.

[0032] See also Figure 1 An electric push rod 11 is arranged on the left side outside the second mold 12 , and the electric push rod 11 is fixedly connected to the second mold 12 .

[0033] See also Figure 1 A fixed side plate 10 is disposed outside the electric push rod 11 , the electric push rod 11 is fixedly connected to the fixed side plate 10 , the fixed side plate 10 is fixedly connected to the workbench 1 , and the electric push rod 11 is used to control the movement of the second mold 12 .

[0034] See also Figure 1 A supporting leg is provided at the lower end of the workbench 1, and the supporting leg is fixedly connected to the workbench 1, and the supporting leg is used to support the workbench 1.

[0035] In this scheme, the raw material enters the feed hopper 5, and the first drive motor 13 is started to rotate the stirring frame 14 and the first screw conveying rod 15 at its output end. The raw material is stirred and broken up and enters the barrel 3 downward. The power box 2 and the heating sleeve 4 are started to rotate the second screw conveying rod 18. The raw material is heated and melted, and is discharged toward the injection head under the push of the second screw conveying rod 18, and then enters the first mold 9 and the second mold 12. After injection molding, it is cooled and shaped to form a plastic part of a rearview mirror of an automobile. Then, the second mold 12 is pulled apart by the electric push rod 11 and demolded to realize the injection molding work. When it is necessary to discharge waste from the injection head part of the barrel 3, the first lifting gate valve 7 is closed and the second lifting gate valve 8 is opened. The residual material is heated until it is melted by opening the heating sleeve 4 and the heating stirring rod 17. At the same time, the second drive motor 16 is started to rotate the heating stirring rod 17 to accelerate the melting speed of the residual material. The power box 2 is started to rotate the first screw conveying rod 15 to discharge the residual material through the waste discharge pipe 6.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although 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 of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection molding equipment for producing automobile rearview mirror plastic parts, characterized in that: include: A workbench (1), wherein a power box (2) is arranged on one side of the upper end of the workbench (1), a barrel (3) is arranged on one side outside the power box (2), a first lifting gate valve (7) is arranged on one end of the barrel (3) located at the injection head, a first mold (9) is arranged on the end of the first lifting gate valve (7) facing away from the barrel (3), and a second mold (12) is arranged on one side outside the first mold (9); A heating sleeve (4) is arranged outside the barrel (3); the output end of the power box (2) is located inside the barrel (3) and is equipped with a second screw conveying rod (18); the inside of the barrel (3) is located inside the injection molding head and is fixedly equipped with a second drive motor (16); the output end of the second drive motor (16) is equipped with a heating stirring rod (17); the outside of the barrel (3) is located at the lower end of the injection molding head and is equipped with a waste discharge pipe (6); the lower end of the waste discharge pipe (6) is equipped with a second lifting gate valve (8); The feed hopper (5) is arranged on the right side of the upper end of the barrel (3).

2. The injection molding equipment for producing automobile rearview mirror plastic parts according to claim 1, characterized in that: A first drive motor (13) is installed inside the upper end of the feed hopper (5), and a stirring frame (14) is installed at the output end of the first drive motor (13).

3. The injection molding equipment for producing automobile rearview mirror plastic parts according to claim 2, characterized in that: The stirring frame (14) is fixedly connected to the output end of the first drive motor (13); the output end of the first drive motor (13) is located at the lower end of the stirring frame (14) and a first spiral conveying rod (15) is installed.

4. The injection molding equipment for producing automobile rearview mirror plastic parts according to claim 1, characterized in that: An electric push rod (11) is arranged on the left side of the outside of the second mold (12), and the electric push rod (11) is fixedly connected to the second mold (12).

5. The injection molding equipment for producing automobile rearview mirror plastic parts according to claim 4, characterized in that: A fixed side plate (10) is arranged outside the electric push rod (11), the electric push rod (11) is fixedly connected to the fixed side plate (10), and the fixed side plate (10) is fixedly connected to the workbench (1).

6. The injection molding equipment for producing automobile rearview mirror plastic parts according to claim 1, characterized in that: The lower end of the workbench (1) is provided with supporting legs, and the supporting legs are fixedly connected to the workbench (1).