Arc-shaped rotary slider core-pulling structure and mold

Abstract

The utility model provides a kind of arc rotary slider core-pulling structure and mould, arc rotary slider core-pulling structure includes ring gear, still includes multiple arc sliders, multiple guide blocks and multiple guide rods;Multiple guide slots are provided on the inner wall of ring gear;One end of arc slider is forming part, and multiple arc sliders are surrounded in ring gear along axis;The other end of arc slider is connected guide rod, and guide rod is movably arranged in guide slot;Guide rail is provided on guide block, and guide rail is outwardly arranged along a certain angle in arc shape;Guide slot, compatible with guide rail, is provided on arc slider;The rotation of ring gear makes arc slider under the action of guide slot and guide rail, realizes rotation and is outwardly core-pulling along the angle.The rotation and oblique radial core-pulling action of arc slider are synchronously completed under the combined action of guide slot and guide rail by ring gear driving.

Description

Technical Field

[0001] This utility model relates to the field of mold technology, and more specifically, to an arc-shaped rotating slider core-pulling structure and mold. Background Technology

[0002] Currently, for injection molded products where core-pulling requires rotation, a rotating slider core-pulling structure ensures high synchronization of the demolding actions of each inner mold, making core-pulling convenient and quick. However, current rotating core-pulling structures typically only achieve rotation plus movement in one direction to perform the core-pulling action, and are only suitable for some conventional products, not for some special products. For example, Figure 1 The wind turbine shown has 3D blades. Its slider not only needs to rotate, but also needs to move along the axis and radially. The conventional rotating slider core-pulling structure cannot be used to form the core. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide an arc-shaped rotating slider core-pulling structure and mold to solve the above problems.

[0004] The present invention adopts the following solution:

[0005] This application provides an arc-shaped rotating slider core-pulling structure, including a ring gear, multiple arc-shaped sliders, multiple guide blocks, and multiple guide rods; multiple guide grooves are provided on the inner wall of the ring gear; one end of each arc-shaped slider is a forming part, and multiple arc-shaped sliders are arranged around the ring gear along the axis; the other end of each arc-shaped slider is connected to the guide rod, and the other end of the guide rod is movably disposed in the guide groove; a guide rail is provided on each guide block, and the guide rail is arc-shaped and arranged upward and outward at a certain angle; a guide groove adapted to the guide rail is provided on each arc-shaped slider;

[0006] The rotation of the ring gear causes the arc-shaped slider to rotate under the action of the guide groove and the guide rail, and to pull the core outward along the angle.

[0007] Furthermore, the guide groove is inclined.

[0008] Furthermore, one end of the guide rod is spherical and placed inside the guide groove.

[0009] Furthermore, a clearance space is provided between the other end of the arc-shaped slider and the inner wall of the ring gear.

[0010] Furthermore, it also includes a central base, on which the ring gear is rotatably mounted; the guide block is fixed on the base, and guide rails are formed on its upper and lower sides.

[0011] Furthermore, the ring gear is driven by a rack.

[0012] Furthermore, the rack is driven by a hydraulic cylinder, a pneumatic cylinder, or a motor.

[0013] This application also provides a mold, including a core-pulling structure, wherein the core-pulling structure adopts the aforementioned arc-shaped rotating slider core-pulling structure.

[0014] By adopting the above technical solution, the present invention can achieve the following technical effects:

[0015] This application provides an arc-shaped rotating slider core-pulling structure and mold, which uses a ring gear to drive the arc-shaped slider to simultaneously complete the rotation and tilting radial core-pulling action under the combined action of the guide groove and the guide rail. This solves the problem that the existing technology cannot achieve complex compound motion, and has the advantages of improving mold adaptability, simplifying structure and improving production efficiency. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the wind turbine structure;

[0018] Figure 2 yes Figure 1 A schematic diagram of the cross-sectional structure;

[0019] Figure 3 This is a schematic diagram of an arc-shaped rotating slider core-pulling structure according to an embodiment of the present invention;

[0020] Figure 4 yes Figure 3 A schematic diagram of the bottom structure;

[0021] Figure 5 yes Figure 4 A schematic diagram of the structure including the wind turbine;

[0022] Figure 6 This is a partial assembly structure diagram of an arc-shaped rotating slider core-pulling structure according to an embodiment of the present invention;

[0023] Figure 7 yes Figure 6 A side view structural diagram;

[0024] Figure 8This is a schematic diagram of an arc-shaped rotating slider core-pulling structure according to an embodiment of the present invention;

[0025] Figure 9 This is a schematic diagram of the guide block structure of an arc-shaped rotating slider core-pulling structure according to an embodiment of the present invention;

[0026] Figure 10 This is a schematic diagram of a ring gear structure for an arc-shaped rotating slider core-pulling structure according to an embodiment of this utility model;

[0027] Icons: 1. Ring gear, 2. Arc slider, 3. Guide block, 4. Guide rod, 5. Guide groove, 6. Forming part, 7. Arc guide rail, 8. Guide groove, 9. Base, 10. Rack, 11. Wind wheel, 12. Fan blade. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0029] Example

[0030] In existing technologies, rotary core-pulling structures typically only achieve rotational and axial movement. For special products requiring simultaneous axial and inclined radial movement, existing technologies struggle to meet demolding requirements. For example, ... Figure 1 and Figure 2 The wind turbine 11 shown has fan blades 12 with complex curved surfaces. The fan blades 12 form a three-dimensional channel between each other. Its demolding path needs to be tilted outward and upward or downward at a specific angle during rotation. Traditional structures cannot achieve this kind of compound motion.

[0031] To solve the above problems, such as Figures 3 to 10 As shown, this application proposes a structure including a ring gear 1, multiple arc-shaped sliders 2, guide blocks 3, and guide rods 4. The inner wall of the ring gear 1 is provided with guide grooves 5, and the multiple arc-shaped sliders 2 are distributed around the gear axis, with one end being a forming part 6 and the other end connected to a guide rod 4 that can move within the guide grooves 5. Figure 8 and Figure 9 As shown, the guide block 3 is provided with an upwardly and outwardly inclined arc-shaped guide rail 7, and the arc-shaped slider 2 is provided with a guide groove 8 that cooperates with the guide rail. When the ring gear 1 rotates, the guide rod 4 moves along the guide groove 5 and drives the slider to move along the guide rail trajectory, realizing rotation and tilting core pulling.

[0032] The guide groove 5 refers to the centrally located inclined slide rail on the inner wall of the ring gear 1, which can be a spiral or oblique groove structure, used to convert the rotational motion of the gear into the lifting displacement of the guide rod 4. The guide rail refers to the arc-shaped protrusion fixed on the guide block 3, which can be an involute or circular arc curve, with its upward and outward tilt angle consistent with the core-pulling direction, used to guide the arc-shaped slider 2 to move along a preset trajectory. The forming part 6 refers to the contour surface at the front end of the arc-shaped slider 2 that matches the shape of the product, used to form the product's inner cavity during mold closing. The clearance space refers to the gap between the end of the slider and the inner wall of the gear, which can be achieved by adjusting the slider thickness or the gear inner diameter, used to avoid motion interference, so that the arc-shaped slider 2 has radial movement space.

[0033] Specifically, when the ring gear 1 is driven to rotate by an external force, the guide rod 4 experiences vertical displacement along the inclined guide groove 5, forcing the arc-shaped slider 2 to move along the axial direction. Simultaneously, the cooperation between the guide groove 8 and the guide rail constrains the movement trajectory of the arc-shaped slider 2, causing it to rotate around the axis during axial movement and move outward and upward along the inclined angle of the guide rail. This combined motion in three directions causes the molding part 6 to detach from the product cavity along an inclined path, completing the core-pulling action.

[0034] Compared to existing technologies, traditional structures achieve axial core pulling solely through a linear guide groove 5. This solution, however, utilizes the synergistic effect of the guide groove 5 and the guide rail to simultaneously generate axial displacement and radial tilting of the slider during rotation. Existing technologies use straight lines or simple spiral paths for core pulling, while this solution can create spatial curved trajectories with specific angles, adapting to the demolding requirements of complex products.

[0035] Through the above technical solution, this application realizes a three-dimensional composite core-pulling action of rotation, axial direction, and inclined radial direction, solving the molding problem of injection molded products with special demolding angle requirements. The molding part 6 can smoothly detach from the product along an asymmetrical path, avoiding surface scratches or jamming caused by traditional structures, and is especially suitable for the manufacturing of products with spiral reinforcing ribs or inclined surfaces.

[0036] like Figure 10 As shown, in this application, the guide groove 5 is inclined to convert the rotation of the ring gear 1 into the up-and-down movement of the guide rod 4.

[0037] The guide groove 5 is inclined so that its extension direction forms a non-perpendicular angle with the axis of the ring gear 1. Specifically, a groove structure with a predetermined inclination angle can be formed on the inner wall of the ring gear 1 by machining. This inclined structure allows the guide rod 4 to slide along the inclined direction within the guide groove 5 when the ring gear 1 rotates, thereby converting rotational motion into linear displacement.

[0038] Specifically, when the ring gear 1 is driven to rotate, the guide rod 4, constrained by the inclined structure of the guide groove 5, moves up and down along the extension direction of the guide groove 5. The spherical end of the guide rod 4 slides within the guide groove 5, and its trajectory is determined by the inclination angle of the guide groove 5. By adjusting the inclination angle of the guide groove 5, the moving speed and stroke of the guide rod 4 can be controlled. For example, when the inclination angle of the guide groove 5 increases, the vertical displacement of the guide rod 4 within a unit rotation angle increases accordingly.

[0039] One end of the guide rod 4 is spherical and is placed inside the guide groove 5. When the ring gear 1 rotates, the spherical end of the guide rod 4 slides within the guide groove 5, and the spherical surface forms point contact with the inner wall of the guide groove 5, reducing frictional resistance. The multi-directional degrees of freedom of the spherical end allow it to adapt to the inclined or arc-shaped path of the guide groove 5, avoiding jamming between the guide rod 4 and the guide groove 5 due to angle changes. The up-and-down movement of the guide rod 4 is transmitted to the arc-shaped slider 2 through the rolling of the spherical end, driving the slider to pull the core outward along the guide rail.

[0040] A clearance space is provided between the other end of the arc-shaped slider 2 and the inner wall of the ring gear 1. This clearance space refers to the gap area formed between the end of the arc-shaped slider 2 and the inner wall of the ring gear 1, which can be achieved by adjusting the shape of the end of the arc-shaped slider 2 or the contour dimensions of the inner wall of the ring gear 1. This space is designed to prevent rigid contact or interference between the end of the arc-shaped slider 2 and the inner wall of the ring gear 1 when the arc-shaped slider 2 undergoes a combined motion driven by the guide groove 5 and the guide rail, thus providing radial movement space for the arc-shaped slider 2.

[0041] This application further proposes a base 9 for Zhongtong, on which the ring gear 1 is rotatably mounted; the guide block 3 is fixed on the base 9, and the guide rails are formed on its upper and lower sides.

[0042] In this context, the base 9 of the Zhongtong system refers to a support structure with a through hole in the middle, used to support the ring gear 1 and provide a fixed base for the guide block 3. The ring gear 1 is rotatably mounted on the base 9, meaning that the ring gear 1 and the base 9 form a rotational fit through bearings or bushings. The guide block 3 is fixed to the base 9, meaning that the guide block 3 is fixed to the surface of the base 9 by bolts or welding, ensuring the stability of the guide rail position and preventing displacement due to movement.

[0043] Specifically, the base 9 serves as the core support of the overall structure, and its internal through-holes can be used for arranging mold cooling water channels, ejection mechanisms, and other core-pulling mechanisms. When the ring gear 1 is fitted onto the outer wall of the base 9, it rotates through gear meshing. After the guide block 3 is fixed on the base 9, its guide rail forms a stable fit with the guide groove 8 of the arc-shaped slider 2. When the ring gear 1 rotates, the guide rod 4 slides within the guide groove 5, while the arc-shaped slider 2 moves along the guide rail trajectory of the guide block 3, forming a combined rotational and tilting radial displacement, ultimately completing the core-pulling action.

[0044] This application further proposes that the ring gear 1 is driven by the rack 10. The linear motion is converted into the rotational motion of the ring gear 1. Here, "driving" refers to the control method by which the power output device applies linear motion to the rack 10. Specifically, it can be achieved by using a hydraulic cylinder, a pneumatic cylinder, or a motor in conjunction with a transmission mechanism. The choice of driving force depends on the mold space layout and power requirements. The linear motion of the rack 10 is directly converted into precise rotation angle control of the ring gear 1.

[0045] Specifically, when rack 10 moves in a straight line, its teeth mesh with the teeth of the outer circumference of ring gear 1, forcing ring gear 1 to rotate around its own axis. This rotational motion is transmitted to the arc-shaped slider 2 through the cooperation of guide groove 5 and guide rod 4, causing it to simultaneously generate a composite motion trajectory of rotation and outward tilt under the constraint of the inclined guide rail set in guide block 3. The stroke length and moving speed of rack 10 can be precisely adjusted by the drive device, thereby controlling the starting position, rotation angle and movement speed of the core pulling action.

[0046] This application further proposes a mold including a core-pulling structure, wherein the core-pulling structure adopts an arc-shaped rotating slider core-pulling structure.

[0047] The arc-shaped rotating slider core-pulling structure, through the composite trajectory design of guide groove 5 and guide rail, allows the core-pulling path to adapt to complex product structures. It can simultaneously complete rotation, axial movement, and tilting radial core-pulling actions during demolding, avoiding demolding interference caused by a single motion trajectory and solving the problem of jamming or deformation that easily occurs in traditional structures during demolding of complex products.

[0048] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions that fall within the scope of this utility model's concept are protected by this utility model.

[0049] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0050] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0051] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0052] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

Claims

1. An arc-shaped rotating slider core-pulling structure, comprising a ring gear (1), characterized in that, It also includes multiple arc-shaped sliders (2), multiple guide blocks (3), and multiple guide rods (4); multiple guide grooves (5) are provided on the inner wall of the ring gear (1); one end of the arc-shaped slider (2) is a forming part (6), and multiple arc-shaped sliders (2) are arranged around the ring gear (1) along the axis; the other end of the arc-shaped slider (2) is connected to the guide rod (4), and the other end of the guide rod (4) is movably arranged in the guide groove (5); a guide rail is provided on the guide block (3), and the guide rail is arc-shaped and arranged upward and outward at a certain angle; a guide groove (8) adapted to the guide rail is provided on the arc-shaped slider (2); The rotation of the ring gear (1) causes the arc-shaped slider (2) to rotate and pull the core outward along the angle under the action of the guide groove (5) and the guide rail.

2. The arc-shaped rotating slider core-pulling structure according to claim 1, characterized in that, The guide groove (5) is inclined.

3. The arc-shaped rotating slider core-pulling structure according to claim 1, characterized in that, One end of the guide rod (4) is spherical and is placed in the guide groove (5).

4. The arc-shaped rotating slider core-pulling structure according to claim 1, characterized in that, A clearance space is provided between the other end of the arc-shaped slider (2) and the inner wall of the ring gear (1).

5. The arc-shaped rotating slider core-pulling structure according to claim 1, characterized in that, It also includes a base (9) with a central passage, and the ring gear (1) is rotatably sleeved on the base (9); the guide block (3) is fixed on the base (9), and the guide rail is formed on its upper and lower sides.

6. The arc-shaped rotating slider core-pulling structure according to any one of claims 1-5, characterized in that, The ring gear (1) is driven by the rack (10).

7. The arc-shaped rotating slider core-pulling structure according to claim 6, characterized in that, The rack (10) is driven by a hydraulic cylinder, a pneumatic cylinder, or a motor.

8. A mold, comprising a core-pulling structure, characterized in that, The core-pulling structure adopts the arc-shaped rotating slider core-pulling structure as described in any one of claims 1 to 7.

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