Electric opening and closing mechanism for injection molding machine mold
The electric opening and closing mechanism utilizes a motor-driven pulley and lead screw transmission to achieve efficient, low-energy, and high-precision opening and closing of injection molding machine molds, solving the problems of high energy consumption and complex maintenance of traditional hydraulic or pneumatic systems.
Patent Information
- Application Number
- CN202520458202.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Traditional injection molding machine mold drive systems are energy-intensive, complex to maintain, and have low control precision, making it difficult to achieve efficient and precise mold opening and closing.
An electric opening and closing mechanism is adopted, which uses a motor to drive a pulley to drive a transmission belt and a lead screw, thereby realizing the lifting and lowering of the mold slider and the sliding of the movable frame, and thus realizing the opening and closing of the mold.
It reduces energy consumption, simplifies the maintenance process, and improves control accuracy.
Smart Images

Figure CN223864249U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mould technical field, concretely relates to a injection molding machine mould electric opening and closing mechanism. BACKGROUND
[0002] Injection molding is the process of injecting molten plastic into a mold cavity and forming the required product after cooling. This process is widely used in the automotive, electronics, medical and other industries, with the advantages of high efficiency, high precision, batch production, etc.
[0003] In the traditional mold opening and closing mechanism, the traditional injection molding machine usually uses hydraulic or pneumatic system to drive the mold opening and closing. Although the power is strong, there are the following problems:
[0004] High energy consumption: the hydraulic system needs continuous pressure supply, and the energy consumption is large.
[0005] Maintenance is complex: the hydraulic system is easy to leak, and the maintenance cost is high.
[0006] Low control precision: the hydraulic system responds slowly and it is difficult to achieve high precision control.
[0007] Therefore, how to provide an injection molding machine mold electric opening and closing mechanism to solve the problems existing in the prior art is of great significance to its application. INVENTION CONTENTS
[0008] Therefore, the purpose of the present application is to provide an injection molding machine mold electric opening and closing mechanism to solve the problems of traditional injection molding machine using hydraulic or pneumatic system to drive the mold opening and closing, although the power is strong, but there are the following problems: high energy consumption: the hydraulic system needs continuous pressure supply, and the energy consumption is large; maintenance is complex: the hydraulic system is easy to leak, and the maintenance cost is high; low control precision: the hydraulic system responds slowly and it is difficult to achieve high precision control.
[0009] To achieve the above purpose, the utility model provides the following technical scheme:
[0010] An injection molding machine mold electric opening and closing mechanism, comprising a bottom end sliding rail, the bottom end sliding rail slidingly installs a fixed mold frame, a fixed frame and a movable frame;
[0011] The movable frame is located between the fixed mold frame and the fixed frame, and a sliding rod is fixedly connected between the fixed mold frame and the fixed frame, and the movable frame is slidingly connected with the sliding rod;
[0012] The opposite sides of the movable frame and the fixed frame are hingedly connected with connecting arms, and the two connecting arms are hingedly connected with lifting slides, a bottom plate is arranged between the motor and the bottom end of the movable frame, a lead screw is rotatably connected to the top end of the bottom plate, and the lead screw is threadedly connected with the lifting slide.
[0013] Preferably, the top end of the bottom plate is fixedly connected with a motor, the output shaft of the motor is drivingly connected with a driving belt pulley, the bottom end of the lead screw is fixedly connected with a transmission belt pulley, and the transmission belt pulley and the driving belt pulley are drivingly connected through a transmission belt.
[0014] Preferably, the top end of the bottom plate is rotatably connected with a gear, one side of the movable frame is fixedly connected with an upper tooth rod, one side of the motor is fixedly connected with a lower tooth rod, and the lower tooth rod and the upper tooth rod are in meshing connection with the gear.
[0015] Preferably, one side of the fixed mold frame is fixedly connected with a fixed mold plate, and one side of the movable frame is fixedly connected with a movable mold plate.
[0016] Compared with the prior art, the utility model has the advantages that:
[0017] The utility model discloses an electric opening and closing scheme, when using, starting motor, and the motor drives the transmission belt to rotate through the driving belt pulley, and the transmission belt drives the lead screw to rotate through the transmission belt pulley, and the lead screw drives two lifting slides to lift, and the two lifting slides drive the movable frame to slide through the connecting arm, thereby realizing the opening and closing of the mold.
[0018] The above description is only a summary of the technical scheme of the application, in order to more clearly understand the technical means of the application, so as to be implemented according to the content of the specification, and in order to make the above and other purposes, characteristics and advantages of the application more obvious and easy to understand, the following will be described in detail with the preferred embodiment of the application and the accompanying drawings.
[0019] According to the detailed description of the specific embodiments of the application in the following text combined with the drawings, those skilled in the art will more clearly understand the above and other purposes, advantages and characteristics of the application. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are some embodiments of the application, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual proportion.
[0021] Fig. 1 The structure of the utility model is shown in the figure.
[0022] Fig. 2The structure schematic view of the back of the utility model
[0023] Fig. 3 The structure schematic view of the bottom plate in the utility model.
[0024] In the figure: 1, bottom end slide rail; 2, fixed mold frame; 3, fixed template; 4, sliding rod; 5, lifting slide block; 6, screw rod; 7, connecting arm; 8, fixed frame; 9, motor; 10, bottom plate; 11, movable template; 12, transmission belt pulley; 13, drive belt pulley; 14, transmission belt; 15, movable frame; 16, upper rack bar; 17, gear; 18, lower rack bar. DETAILED DESCRIPTION
[0025] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. In the following description, specific details such as specific configurations and components are provided only to help a comprehensive understanding of the embodiments of the present application. Therefore, those skilled in the art should understand that various changes and modifications can be made to the described embodiments without departing from the scope and spirit of the present application. In addition, descriptions of known functions and structures are omitted in the embodiments for the sake of clarity and brevity.
[0026] In addition, reference numerals and / or letters can be repeated in different examples in the present 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 arrangements discussed.
[0027] The term "and / or" herein is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can mean that there are three cases of A alone, B alone and A and B together. The term "and" herein is a description of another association relationship of the associated objects, which means that there can be two relationships, for example, A and B can mean that there are two cases of A alone and A and B together. In addition, the character " / " herein generally means that the associated objects before and after are an "or" relationship.
[0028] It should also be noted that, in this document, relationship terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion.
[0029] Please refer to Figs. 1-3This utility model provides a technical solution for an electric opening and closing mechanism for injection molding machine molds: including a bottom slide rail 1, on which a fixed mold frame 2, a fixed frame 8 and a movable frame 15 are slidably mounted;
[0030] The movable frame 15 is located between the fixed mold frame 2 and the fixed frame 8. A sliding rod 4 is fixedly connected between the fixed mold frame 2 and the fixed frame 8. The movable frame 15 is slidably connected to the sliding rod 4.
[0031] Connecting arms 7 are hinged to opposite sides of the movable frame 15 and the fixed frame 8. Lifting sliders 5 are hinged to both connecting arms 7. A base plate 10 is provided between the motor 9 and the bottom of the movable frame 15. A lead screw 6 is rotatably connected to the top of the base plate 10. The lead screw 6 is threadedly connected to the lifting sliders 5. There are two lifting sliders 5.
[0032] A motor 9 is fixedly connected to the top of the base plate 10. The output shaft of the motor 9 is driven by a drive pulley 13. A transmission pulley 12 is fixedly connected to the bottom of the lead screw 6. The transmission pulley 12 and the drive pulley 13 are connected by a transmission belt 14.
[0033] A gear 17 is rotatably connected to the top of the base plate 10. An upper gear 16 is fixedly connected to one side of the movable frame 15, and a lower gear 18 is fixedly connected to one side of the motor 9. Both the lower gear 18 and the upper gear 16 are meshed with the gear 17. The gears and gears make the operation of the movable frame 15 more stable and also keep the base plate 10 in the middle position between the movable frame 15 and the motor 9.
[0034] A fixed template 3 is fixedly connected to one side of the fixed mold frame 2, and a movable template 11 is fixedly connected to one side of the movable frame 15 for installing the mold.
[0035] In practical use, the mold is installed on the fixed template 3 and the movable template 11. Then, the motor 9 is started. The motor 9 drives the transmission belt 14 to rotate through the drive pulley 13. The transmission belt 14 drives the lead screw 6 to rotate through the transmission pulley 12. The lead screw 6 drives the two lifting sliders 5 to rise and fall. The two lifting sliders 5 drive the movable frame 15 to slide through the connecting arm 7, thereby realizing the opening and closing of the mold. Compared with the existing pneumatic or hydraulic drive, this utility model has the advantages of low energy consumption, simple maintenance and high control precision.
[0036] 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 electric opening and closing mechanism for injection molding machine molds, characterized in that: Includes a bottom slide rail (1), on which a fixed mold frame (2), a fixed frame (8) and a movable frame (15) are slidably mounted; The movable frame (15) is located between the fixed mold frame (2) and the motor (9). A sliding rod (4) is fixedly connected between the fixed mold frame (2) and the fixed frame (8). The movable frame (15) is slidably connected to the sliding rod (4). The movable frame (15) and the fixed frame (8) are hinged to each other on opposite sides, and the two connecting arms (7) are hinged to each other to a lifting slider (5). A base plate (10) is provided between the bottom ends of the fixed frame (8) and the movable frame (15). A lead screw (6) is rotatably connected to the top of the base plate (10). The lead screw (6) is threadedly connected to the lifting slider (5).
2. The electric opening and closing mechanism for injection molding machine molds as described in claim 1, characterized in that: A motor (9) is fixedly connected to the top of the base plate (10), and a drive pulley (13) is driven to the output shaft of the motor (9). A transmission pulley (12) is fixedly connected to the bottom of the lead screw (6), and the transmission pulley (12) and the drive pulley (13) are connected by a transmission belt (14).
3. The electric opening and closing mechanism for injection molding machine molds as described in claim 1, characterized in that: A gear (17) is rotatably connected to the top of the base plate (10), an upper gear (16) is fixedly connected to one side of the movable frame (15), and a lower gear (18) is fixedly connected to one side of the motor (9). Both the lower gear (18) and the upper gear (16) are meshed with the gear (17).
4. The electric opening and closing mechanism for injection molding machine molds as described in claim 1, characterized in that: A fixed template (3) is fixedly connected to one side of the fixed mold frame (2), and a movable template (11) is fixedly connected to one side of the movable frame (15).