A high-low winding stable transmission device for a main shaft motor

Abstract

The utility model discloses a kind of for main shaft motor high-low roll stable transmission device, belong to main shaft motor high-low roll stable transmission technical field, its technical scheme main point is: including protection box A, wherein, the motor is movably arranged in one side of protection box A, the shaft body of motor A extends into protection box A inside and is connected with gear A, protection box A is provided with gear B, gear B and gear A are mutually engaged, the circumferential of the center of gear B is provided with a plurality of support frames in one side of gear B, every group support frame is "N" shape, effect is effectively make slide plate contact with support frame before gear acceleration, utilize the elastic deformation of slide plate material to absorb part inertia, to reduce the instantaneous high pressure of gear tooth surface bearing, to solve the problem of sudden breakage in background technology when inertia increases suddenly, especially for brittle material, prone to sudden breakage.

Description

Technical Field

[0001] This utility model belongs to the field of high and low winding stable transmission technology of spindle motor, and in particular, it is a high and low winding stable transmission device for spindle motor. Background Technology

[0002] A spindle motor, also known as a spindle motor or drive spindle, is a core power device used in industrial equipment to drive rotating shafts (spindles). It converts electrical energy into mechanical energy to provide stable and controllable rotational motion for equipment and is widely used in CNC machine tools, machining centers, printing machinery, packaging equipment, industrial robots and other fields.

[0003] The high and low speed stabilization transmission device for spindle motors is a high-performance power transmission system designed specifically for industrial equipment. It is mainly used to solve the stability problem of spindle motors (the core motor driving the rotating shaft) when switching between high and low speed conditions. It is especially suitable for scenarios that require frequent speed adjustments, withstand sudden load changes, or have extremely high requirements for transmission accuracy. Its core goal is to achieve "seamless switching between high and low speeds" and "smooth operation throughout the entire cycle," ensuring that the equipment can maintain efficient and accurate power output under complex working conditions.

[0004] When the existing spindle motor high and low winding stable transmission device suddenly changes from low speed to high speed, the meshing of gears will experience a sudden speed change, resulting in a sudden increase in inertial force. This causes the gear tooth surface to be subjected to instantaneous high pressure. When the inertial force increases suddenly, the bending stress at the tooth root will instantly exceed the limit. Especially for brittle materials, sudden fracture is likely to occur.

[0005] The purpose of this invention is to provide a high-low winding stabilization transmission device for a spindle motor to solve the problems mentioned in the background art. Utility Model Content

[0006] The purpose of this invention is to provide a high-low winding stabilization transmission device for a spindle motor to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a high and low winding stabilization transmission device for a spindle motor, comprising a protective box A; Among them, a motor is movably installed on one side of the protective box A. The shaft of the motor extends into the interior of the protective box A and is connected to a gear A. The protective box A is provided with a gear B. The gear B meshes with the gear A. On one side of the gear B, multiple support frames are arranged in a circumferential shape with the center of the gear B. Each set of support frames is in the shape of a "U". One side of gear A is provided with multiple sets of actuating mechanisms arranged in a circumferential shape with the center of gear A, and a moving mechanism is provided inside the protective box A. When the motor accelerates, the sensor causes the electric telescopic rod in the moving mechanism to retract, causing the slide bar in the moving mechanism to move synchronously. When the slide bar moves, the moving disk in the moving mechanism moves toward the gear A. When the moving disk moves toward the gear A, it completes the compression of each slide in the actuating mechanism. After each group of slides is compressed, each group of slides moves outward synchronously and in a divergent manner until each group of slides moves into the corresponding support frame, forming an "interlocking" shape.

[0008] Furthermore, each set of actuating mechanisms includes a connecting frame, a sliding plate, and a spring. Multiple sets of connecting frames are arranged circumferentially around the center of gear A on one side of gear A. Each set of connecting frames corresponds to each set of support frames, and a sliding plate is slidably arranged in each set of connecting frames. Each set of sliding plates is connected to its corresponding connecting frame by a spring, and the end of each set of sliding plates that is close to each other is a smooth arc shape to facilitate contact between the sliding plate and the corresponding support frame.

[0009] Furthermore, the moving mechanism includes a turntable, an electric telescopic rod, a slide rod, and a moving disk. The protective box A has a rotatable turntable inside, and an electric telescopic rod is provided on the turntable. The telescopic end of the electric telescopic rod is provided with a slide rod. The end of the slide rod away from the electric telescopic rod passes through a gear A and is connected to the moving disk, which facilitates the compression of each set of slide plates so that the slide plates come into contact with the corresponding support frame.

[0010] Furthermore, a protective box B is provided on the upper end of the protective box A. The protective box B is connected to the protective box A by multiple sets of bolts, which facilitates the protection of gear A and gear B.

[0011] Compared with the prior art, the present invention has the following beneficial effects: 1. This utility model uses an actuating mechanism on gear A and a moving mechanism in protective box A. The retraction of an electric telescopic rod causes the moving disc to move towards gear A and compress each slide plate. When each set of slide plates is compressed, they move outward synchronously until they reach their corresponding support frame. This effectively ensures that the slide plates contact the support frame before the gear accelerates. The elastic deformation of the slide plate material absorbs some of the inertial force, thereby reducing the instantaneous high pressure on the gear tooth surface. This solves the problem in the prior art where a sudden increase in inertial force causes the bending stress at the tooth root to exceed the limit instantaneously, especially for brittle materials, leading to sudden breakage. Attached Figure Description

[0012] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the structure of the protective box B in this utility model; Figure 3 This is a schematic diagram of the structure of gear A in this utility model; Figure 4 This is a schematic diagram of the connecting frame in this utility model; Figure 5 This is a schematic diagram of the structure of the skateboard in this utility model.

[0014] Explanation of reference numerals in the attached figures: In the picture: 1. Protective box A; 2. Protective box B; 3. Bolt; 4. Motor; 5. Gear A; 6. Gear B; 7. Support frame; 8. Actuating mechanism; 801. Connecting frame; 802. Slide plate; 803. Spring; 9. Moving mechanism; 901. Turntable; 902. Electric telescopic rod; 903. Slide rod; 904. Moving plate. Detailed Implementation

[0015] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.

[0016] Unless otherwise defined, the directions mentioned herein, such as up, down, left, right, front, back, inside, and outside, are based on the directions shown in the figures of this utility model, and are explained here together.

[0017] The connection method can be any existing method, such as bonding, welding, or bolting, depending on the actual needs.

[0018] Please see Figures 1 to 5 As shown, this utility model provides a high and low winding stabilization transmission device for a spindle motor, including a protective box A1; Among them, a motor 4 is movably installed on one side of the protective box A1, which is used to control the rotation of the gear A5. The shaft of the motor 4 extends into the interior of the protective box A1 and is connected to the gear A5. The protective box A1 is provided with a gear B6, which meshes with the gear A5. On one side of the gear B6, multiple support frames 7 are arranged in a circumferential shape with the center of the gear B6. Each set of support frames 7 is in the shape of "U", which is used to facilitate the insertion of the slide plate 802 into the lower end of the support frame 7. One side of gear A5 is provided with multiple sets of actuating mechanisms 8 arranged in a circular shape with the center of gear A5, and a moving mechanism 9 is provided inside the protective box A1. When motor 4 accelerates, a sensor causes the electric telescopic rod 902 in the moving mechanism 9 to retract, causing the slide rod 903 in the moving mechanism 9 to move synchronously. As the slide rod 903 moves, the moving disk 904 in the moving mechanism 9 moves towards gear A5. When the moving disk 904 moves towards gear A5, it compresses each slide plate 802 in the actuating mechanism 8. After being compressed, each set of slide plates 802 moves outward synchronously in a divergent manner until each set of slide plates 802 moves into its corresponding support frame 7, forming a "fitted" arrangement. The structure is designed to push the slide plate 802 outward to the predetermined position of the support frame 7, forming an elastic buffer layer. This allows the slide plate 802 to contact the support frame 7 before the gear accelerates. The elastic deformation of the slide plate 802 material absorbs part of the inertial force, thereby reducing the instantaneous high pressure on the gear tooth surface. At the same time, the bending stress concentrated on the gear tooth root is dispersed to the entire contact surface between the slide plate 802 and the support frame 7. By increasing the stress-bearing area and extending the stress release time, the instantaneous over-limit of stress at the tooth root is avoided, which is especially beneficial for improving the fracture resistance of brittle material gears.

[0019] Each set of actuating mechanisms 8 includes a connecting frame 801, a sliding plate 802, and a spring 803. Multiple sets of connecting frames 801 are arranged circumferentially around the center of gear A5 on one side of gear A5. These connecting frames 801 ensure the stability of the sliding plate 802 during sliding. Each set of connecting frames 801 corresponds to a set of support frames 7, ensuring that regardless of the rotation angle of gears A5 and B6, multiple sets of sliding plates 802 will insert into the corresponding support frame 7. Each set of connecting frames 801 also has a sliding plate 802 slidably mounted within it, allowing the sliding plate 802 to pass through... Inserted into the corresponding support frame 7 to form an elastic buffer layer, which can transform the originally rigid speed change into a gradual energy release process. Each set of slide plates 802 is connected to the connecting frame 801 by a spring 803. When the moving disk 904 is reset, the elasticity of the spring 803 can make each set of slide plates 802 reset and detach from the support frame 7. The end of each set of slide plates 802 that is close to each other is smooth arc-shaped, which is used to reduce the friction force generated when the moving disk 904 contacts each set of slide plates 802.

[0020] The moving mechanism 9 includes a turntable 901, an electric telescopic rod 902, a slide rod 903, and a moving disk 904. The protective box A1 has a rotatable turntable 901 inside, which is used to facilitate the synchronous rotation of the electric telescopic rod 902 following the gear A5. The turntable 901 is equipped with the electric telescopic rod 902, which is used to control the lateral movement of the moving disk 904. The telescopic end of the electric telescopic rod 902 is equipped with a slide rod 903. The end of the slide rod 903 away from the electric telescopic rod 902 passes through the gear A5 and is connected to the moving disk 904. When the moving disk 904 moves towards the gear A5, it will squeeze each set of slide plates 802.

[0021] It is used to make the slide bar 903 rotate when the gear A5 rotates. When the slide bar 903 rotates, it will drive the connected moving disk 904 and electric telescopic rod 902 to rotate synchronously. At the same time, the turntable 901 connected to the electric telescopic rod 902 will also rotate synchronously.

[0022] Protective box A1 is equipped with protective box B2 at the top. It is used to protect gears A5 and B6 by combining protective boxes A1 and B2. Protective box B2 is connected to protective box A1 by multiple sets of bolts 3. It is used to separate protective boxes A1 and B2 to allow for the inspection and maintenance of gears A5 and B6.

[0023] Working principle: When motor 4 suddenly changes from low speed to high speed, the sensor first causes the electric telescopic rod 902 to retract, causing the connected slide rod 903 to move synchronously. When the slide rod 903 moves, the connected moving disk 904 moves toward gear A5. When the moving disk 904 moves toward gear A5, it completes the compression of each slide plate 802. After each set of slide plates 802 is compressed, each set of slide plates 802 moves outward synchronously until each set of slide plates 802 moves into the corresponding support frame 7. Then, after motor 4 accelerates, the slide plate 802 will push the support frame 7.

[0024] It should be noted that, in this document, relational terms such as "one" and "two" are used merely 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, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high / low winding stabilizing transmission device for a spindle motor, characterized in that: comprising a protection box A (1); wherein, a motor (4) is movably disposed on one side of the protection box A (1), a shaft body of the motor (4) extends into the interior of the protection box A (1) and is connected with a gear A (5), the protection box A (1) is provided with a gear B (6), the gear B (6) is meshed with the gear A (5), a plurality of support frames (7) are circumferentially arranged on one side of the gear B (6) around the center of the gear B (6), and each set of the support frames (7) is in a "U" shape; a plurality of sets of toggle mechanisms (8) are circumferentially arranged on one side of the gear A (5) around the center of the gear A (5), and a moving mechanism (9) is disposed inside the protection box A (1); When the motor (4) accelerates, the sensor causes the electric telescopic rod (902) in the moving mechanism (9) to retract, so that the slide rod (903) in the moving mechanism (9) moves synchronously. When the slide rod (903) moves, the moving plate (904) in the moving mechanism (9) moves toward the gear A (5). When the moving plate (904) moves toward the gear A (5), it completes squeezing each sliding plate (802) in the toggle mechanism (8). After each set of the sliding plates (802) is squeezed, each set of the sliding plates (802) is caused to move outward synchronously and assume a divergent shape, until each set of the sliding plates (802) moves into the corresponding support frame (7) to form an "engaged" shape.

2. The high / low winding stabilizing transmission device for a spindle motor according to claim 1, characterized in that: Each set of the toggle mechanisms (8) all comprises a connecting frame (801), a sliding plate (802) and a spring (803). A plurality of sets of connecting frames (801) are circumferentially arranged on one side of the gear A (5) around the center of the gear A (5). Each set of the connecting frames (801) corresponds to each set of the support frames (7) respectively, a sliding plate (802) is slidably disposed in each set of the connecting frames (801), each set of the sliding plates (802) is connected with the corresponding connecting frame (801) through a spring (803), and the adjacent end of each set of the sliding plates (802) is in a smooth arc shape.

3. The high / low winding stabilizing transmission device for a spindle motor according to claim 1, characterized in that: The moving mechanism (9) comprises a rotating disc (901), an electric telescopic rod (902), a slide rod (903) and a moving plate (904). A rotatable rotating disc (901) is disposed inside the protection box A (1), the electric telescopic rod (902) is disposed on the rotating disc (901), the slide rod (903) is disposed at the telescopic end of the electric telescopic rod (902), and the end of the slide rod (903) away from the electric telescopic rod (902) penetrates through the gear A (5) and is connected with the moving plate (904).

4. The high / low winding stabilizing transmission device for a spindle motor according to claim 3, characterized in that: A protection box B (2) is disposed at the upper end of the protection box A (1), and the protection box B (2) and the protection box A (1) are connected through a plurality of sets of bolts (3).

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