Automatic demolding mechanism for injection molded part production

Abstract

The utility model discloses a kind of automatic demolding mechanisms for injection molding production, it is related to injection molding equipment technical field, especially suitable for silica gel soft product.The mechanism includes injection molding machine base, its top end two sides are respectively installed mold clamping assembly and fixed mold fixed plate, the movable light pole sliding connection movable mold fixed plate and movable rack between the two;Vertical electric telescopic rod on movable rack installs clamping manipulator, and transverse electric telescopic rod on fixed mold fixed plate connects movable rack.The utility model solves the problem that when silica gel soft product demolding, mould design requirement is high, artificial demolding efficiency is low and there is hidden danger.When opening mould, ejector pin pushes out the gap at the top of injection molding part, and clamping manipulator is gripped, then transverse and vertical movement is cooperated to realize rapid demolding, reduce mould design requirement, improve efficiency, and guarantee operator safety.

Description

Technical Field

[0001] This utility model relates to the field of injection molding technology, specifically to an automatic demolding mechanism for injection molded parts production. Background Technology

[0002] In the injection molding process of flexible silicone products, demolding is a crucial step in the production process. Currently, there are several common problems in the industry regarding demolding of flexible silicone products. Due to the soft texture and high viscosity of flexible silicone products, multiple ejector pins are usually required in the mold to ensure smooth release from the mold. This places extremely high demands on mold design, increasing not only the design difficulty but also the manufacturing cost and processing cycle.

[0003] Furthermore, in some production scenarios, manual demolding is still used. Manual demolding is not only inefficient and unable to meet the needs of large-scale production, but also poses serious safety hazards. Freshly injection-molded products are at high temperatures, making burns highly likely during manual demolding; additionally, the injection molding process generates toxic gases, and long-term exposure to manual demolding can severely harm the health of operators.

[0004] Therefore, it is of great significance to provide an automatic demolding mechanism for injection molded parts production that can solve the problems existing in the current technology. Utility Model Content

[0005] In view of this, the purpose of this application is to provide an automatic demolding mechanism for injection molded parts production to solve the problem.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] The mechanism includes an injection molding machine base. A mold clamping assembly and a fixed mold fixing plate are respectively installed on both sides of the top of the injection molding machine base. A movable guide rod is installed between the mold clamping assembly and the fixed mold fixing plate. A moving mold fixing plate is slidably connected to the movable guide rod. A movable frame is slidably connected to the top of the movable guide rod. A vertical electric telescopic rod is installed at the top of the movable frame. A clamping robot is installed at the telescopic end of the vertical electric telescopic rod. A horizontal electric telescopic rod is installed on one side of the top of the fixed mold fixing plate. The telescopic end of the horizontal electric telescopic rod is fixedly connected to the movable frame.

[0008] A fixed template is installed on one side of the fixed mold fixing plate, a movable mold base is installed on one side of the movable mold fixing plate, a movable template is installed on one side of the movable mold base, a slide rod is fixedly connected between the movable mold base and the movable template, an ejector plate is slidably connected to the slide rod, an ejector pin is fixedly connected to one side of the ejector plate, and the ejector pin is slidably connected to the movable template.

[0009] A mold-closing hydraulic rod is installed on one side of the mold-closing assembly, and the telescopic end of the mold-closing hydraulic rod is fixedly connected to the moving mold fixing plate.

[0010] A rectangular groove is provided in the middle of the moving mold fixing plate, a top column is fixedly connected to one side of the mold closing assembly, and the ejector plate and the moving mold plate are elastically connected by a spring.

[0011] The gripping robot includes a gripper base with a groove at the bottom. Two grippers are slidably connected to the groove. A motor is mounted on one side of the gripper base, and a lead screw is driven to the output shaft of the motor. The lead screw includes two opposite threads, and the two threads are respectively threaded to the two grippers.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. Reduced mold design requirements: This utility model only requires one set of ejector pins on the mold, eliminating the need to design ejector pins in multiple positions, which greatly reduces the requirements for mold design and reduces the design difficulty and manufacturing cost of the mold.

[0014] 2. Improve demolding efficiency: During mold opening, the ejector pin pushes the top of the injection molded part out of a notch. Then, a robotic arm holds the top of the injection molded part. With the movement of the horizontal and vertical electric telescopic rods, rapid demolding is achieved. Compared with manual tearing, the demolding speed is faster and effectively improves production efficiency.

[0015] 3. Ensuring operator safety: The automatic demolding method avoids direct contact between operators and high-temperature injection molded parts, preventing burns. At the same time, it reduces the time operators are exposed to toxic gases generated during the injection molding process, protecting their health.

[0016] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the preferred embodiments of this application are described in detail below with reference to the accompanying drawings.

[0017] The above and other objects, advantages and features of this application will become more apparent to those skilled in the art from the following detailed description of specific embodiments in conjunction with the accompanying drawings. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the clamping robot arm in this utility model.

[0021] In the diagram: 1. Injection molding machine base; 2. Mold clamping assembly; 3. Mold clamping hydraulic rod; 4. Ejector column; 5. Moving mold fixing plate; 6. Moving mold base; 7. Vertical electric telescopic rod; 8. Movable frame; 9. Horizontal electric telescopic rod; 10. Clamping robot; 11. Fixed mold fixing plate; 12. Fixed mold plate; 13. Moving mold plate; 14. Spring; 15. Slide rod; 16. Ejector plate; 17. Movable guide rod; 18. Gripper; 19. Lead screw; 20. Fixture base; 21. Slide groove; 22. Motor; 23. Ejector pin. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. In the following description, specific details such as specific configurations and components are provided merely to help fully understand 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. In addition, for clarity and brevity, descriptions of known functions and structures are omitted in the embodiments.

[0023] Furthermore, reference numerals and / or letters may be repeated in different examples within this application. Such repetition is for the purpose of simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or settings discussed.

[0024] In this article, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can mean: A exists alone, B exists alone, and A and B exist simultaneously. The term " / and" in this article describes another type of relationship between related objects, indicating that two relationships can exist. For example, A / and B can mean: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the related objects before and after it are in an "or" relationship.

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

[0026] Please see Figure 1-2 This utility model provides a technical solution for an automatic demolding mechanism used in injection molded parts production:

[0027] An automatic demolding mechanism for injection molded parts production includes an injection molding machine base 1. A mold clamping assembly 2 and a fixed mold fixing plate 11 are fixedly installed on both sides of the top of the injection molding machine base 1. Two movable guide rods 17 are installed in parallel between the mold clamping assembly 2 and the fixed mold fixing plate 11. A moving mold fixing plate 5 is slidably connected to the movable guide rods 17, and the moving mold fixing plate 5 can slide along the movable guide rods 17 between the mold clamping assembly 2 and the fixed mold fixing plate 11.

[0028] A movable frame 8 is slidably connected to the top of the movable guide rod 17, and the movable frame 8 can slide along the length of the movable guide rod 17. A vertical electric telescopic rod 7 is fixedly installed at the top of the movable frame 8, with its telescopic end facing downwards, and a gripping robot 10 is installed at the telescopic end. The vertical electric telescopic rod 7 can drive the gripping robot 10 to move up and down. A horizontal electric telescopic rod 9 is fixedly installed on one side of the top of the fixed mold plate 11, and the telescopic end of the horizontal electric telescopic rod 9 is fixedly connected to the movable frame 8. The extension and retraction of the horizontal electric telescopic rod 9 can drive the movable frame 8 to slide along the movable guide rod 17.

[0029] A fixed mold plate 12 is mounted on the side of the fixed mold plate 11 near the moving mold plate 5. A moving mold base 6 is mounted on the side of the moving mold plate 5 near the fixed mold plate 11. A moving mold plate 13 is mounted on the side of the moving mold base 6 near the fixed mold plate 12. The fixed mold plate 12 and the moving mold plate 13 cooperate to form an injection molding cavity. Two sliding rods 15 are fixedly connected between the moving mold base 6 and the moving mold plate 13. An ejector plate 16 is slidably connected to the sliding rods 15. The ejector plate 16 can move closer to or away from the moving mold plate 13 along the sliding rods 15. Several ejector pins 23 are fixedly connected to the side of the ejector plate 16 near the moving mold plate 13. The ejector pins 23 pass through the moving mold plate 13 and are slidably connected to the moving mold plate 13. The ends of the ejector pins 23 can extend into the injection molding cavity.

[0030] The mold closing assembly 2 is equipped with a mold closing hydraulic rod 3 on the side near the moving mold fixing plate 5. The telescopic end of the mold closing hydraulic rod 3 is fixedly connected to the moving mold fixing plate 5. The extension and retraction of the mold closing hydraulic rod 3 can drive the moving mold fixing plate 5 to move along the movable light rod 17 to realize the mold closing and mold opening actions.

[0031] A rectangular slot is provided in the middle of the moving mold fixing plate 5. A top post 4 is fixedly connected to the mold closing assembly 2 on the side near the moving mold fixing plate 5. When the moving mold fixing plate 5 moves toward the mold closing assembly 2, the top post 4 can pass through the rectangular slot and push the ejector plate 16. The ejector plate 16 and the moving mold plate 13 are elastically connected by a spring 14. When the top post 4 no longer pushes the ejector plate 16, the spring 14 can drive the ejector plate 16 to reset.

[0032] The gripping robot 10 includes a gripper base 20, with a groove 21 at its bottom. Two grippers 18 are slidably connected within the groove 21. A motor 22 is mounted on one side of the gripper base 20. The output shaft of the motor 22 is connected to a lead screw 19, which is located within the groove 21. The lead screw 19 includes two opposite threads, each threadedly connected to one of the two grippers 18. When the motor 22 starts, it drives the lead screw 19 to rotate. Because the two threads of the lead screw 19 are opposite, the two grippers 18 move relatively closer or further apart within the groove 21, thereby achieving the gripping and releasing of the injection-molded part.

[0033] The working process of this utility model is as follows:

[0034] When the mold is closed, the mold closing hydraulic rod 3 extends, pushing the moving mold fixing plate 5 along the movable light rod 17 towards the fixed mold fixing plate 11, so that the moving mold plate 13 and the fixed mold plate 12 fit tightly together to form a closed injection cavity, and then the injection operation is performed.

[0035] After injection molding is completed, when the mold opens, the hydraulic rod 3 of the mold closing mechanism shortens, driving the moving mold fixing plate 5 to move towards the mold closing assembly 2, and the moving platen 13 separates from the fixed platen 12. During the movement of the moving mold fixing plate 5, the ejector pin 4 passes through the rectangular groove of the moving mold fixing plate 5 and pushes the ejector plate 16. The ejector plate 16 moves along the slide bar 15 towards the moving platen 13, compressing the spring 14. At the same time, the ejector pin 23 extends out of the moving platen 13, pushing the top of the injection molded part out of a notch. After that, the ejector pin 4 separates from the ejector plate 16. Under the action of the spring 14, the ejector plate 16 drives the ejector pin 23 to reset.

[0036] Next, the horizontal electric telescopic rod 9 extends and retracts, causing the movable frame 8 to move above the injection molded part. The vertical electric telescopic rod 7 extends, causing the gripping robot arm 10 to descend, positioning the two grippers 18 on either side of the notch. The motor 22 starts, driving the lead screw 19 to rotate, bringing the two grippers 18 closer together and gripping the top of the injection molded part. Then, the vertical electric telescopic rod 7 shortens, lifting the injection molded part to a certain height. The horizontal electric telescopic rod 9 extends and retracts again, causing the movable frame 8 to move, moving the injection molded part to the designated position. The motor 22 reverses, and the two grippers 18 separate, completing the demolding operation.

[0037] The above description is merely a preferred embodiment of this utility model and does not limit the scope of protection of this utility model. For those skilled in the art, this utility model can have various modifications and variations. Any changes, modifications, substitutions, integrations, and parameter alterations made to these embodiments within the spirit and principles of this utility model, through conventional substitutions or methods that achieve the same function without departing from the principles and spirit of this utility model, fall within the scope of protection of this utility model.

Claims

1. An automatic demolding mechanism for injection molded parts production, characterized in that, include: Injection molding machine base (1), mold clamping assembly (2) and fixed mold fixing plate (11) are respectively installed on both sides of the top of the injection molding machine base (1), a movable light rod (17) is installed between the mold clamping assembly (2) and the fixed mold fixing plate (11), the movable light rod (17) is slidably connected to the moving mold fixing plate (5), the top of the movable light rod (17) is slidably connected to the movable frame (8), the top of the movable frame (8) is installed with a vertical electric telescopic rod (7), the telescopic end of the vertical electric telescopic rod (7) is installed with a clamping robot (10), a horizontal electric telescopic rod (9) is installed on one side of the top of the fixed mold fixing plate (11), and the telescopic end of the horizontal electric telescopic rod (9) is fixedly connected to the movable frame (8).

2. The automatic demolding mechanism for injection molded parts production according to claim 1, characterized in that, A fixed template (12) is installed on one side of the fixed mold fixing plate (11), a moving mold base (6) is installed on one side of the moving mold fixing plate (5), a moving template (13) is installed on one side of the moving mold base (6), a slide rod (15) is fixedly connected between the moving mold base (6) and the moving template (13), an ejector plate (16) is slidably connected to the slide rod (15), an ejector pin (23) is fixedly connected to one side of the ejector plate (16), and the ejector pin (23) is slidably connected to the moving template (13).

3. The automatic demolding mechanism for injection molded parts production according to claim 2, characterized in that, A mold-closing hydraulic rod (3) is installed on one side of the mold-closing assembly (2), and the telescopic end of the mold-closing hydraulic rod (3) is fixedly connected to the moving mold fixing plate (5).

4. An automatic demolding mechanism for injection molded parts production according to claim 3, characterized in that, The moving mold fixing plate (5) has a rectangular groove in the middle, and the mold closing assembly (2) is fixedly connected to a top column (4) on one side. The ejector plate (16) and the moving mold plate (13) are elastically connected by a spring (14).

5. An automatic demolding mechanism for injection molded parts production according to claim 1, characterized in that, The gripping manipulator (10) includes a gripper base (20), and a groove (21) is provided at the bottom end of the gripper base (20). Two grippers (18) are slidably connected to the groove (21). A motor (22) is installed on one side of the gripper base (20). The output shaft of the motor (22) is driven by a lead screw (19). The lead screw (19) includes two opposite threads, and the two threads are respectively threaded to the two grippers (18).

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