Crankshaft orbiting motion damping structure

Abstract

The utility model discloses a kind of crankshaft track movement damping structures, it is related to damping structure technical field, including base, the top of base is in echelon;The higher surface on the top of base is equipped with sliding slot, the inside limit sliding of sliding slot is equipped with moving plate, the upper end surface of moving plate is rotatably installed with pivot, pivot is fixedly installed with support plate, the lower surface on the top of base is fixedly installed with limit screw, adjusting groove is equipped on support plate, limit screw passes through adjusting groove and both form sliding fit;The outside of limit screw is equipped with damping spring, the bottom end of damping spring is fixedly connected with base.Electric machine is driven by speed reducer to rotate crankshaft, and crankshaft passes through connecting rod mechanism and transmits power to chopsticks washing box pivot;Vibration generated in operation is transmitted to damping spring through support plate, and effectively absorbs vibration by the elastic deformation of spring.Reduce equipment operating noise, ensure the stability of motor and transmission system operation, thereby prolong the service life of whole machine.

Description

Technical Field

[0001] This utility model relates to the field of vibration reduction structure technology, and more specifically, it relates to a vibration reduction structure for crankshaft track motion. Background Technology

[0002] In restaurants, hotels, and university canteens, a large number of greasy chopsticks need to be washed daily. Currently, the commonly used manual washing method is not only labor-intensive but also struggles to guarantee cleaning quality. To address this, chopstick washing machines have emerged, effectively solving the problems of high labor input and inconsistent cleaning results, and achieving a highly efficient and standardized cleaning process.

[0003] Existing chopsticks washing machines use motors that vibrate during operation, negatively impacting overall machine performance. Firstly, strong vibrations interfere with efficient power transmission, reducing mechanical transmission efficiency, causing unstable operation, and making it difficult to ensure uniform and stable operation of the washing components. Secondly, the inconvenience in adjusting the swing amplitude of the washing machine's shaft prevents it from adapting to different workloads, resulting in low overall performance and applicability of the equipment. Therefore, a crankshaft track motion damping structure is needed. Utility Model Content

[0004] (a) Technical problems to be solved In view of the problems existing in the prior art, this utility model provides a crankshaft track motion damping structure to solve the problems mentioned in the background art.

[0005] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a crankshaft track motion damping structure, comprising a base, the top of which is stepped; a groove is formed on the higher surface of the top of the base, a movable plate is slidably mounted inside the groove, a rotating shaft is rotatably mounted on the upper surface of the movable plate, a support plate is fixedly mounted on the rotating shaft, a limiting screw is fixedly mounted on the lower surface of the top of the base, an adjusting groove is formed on the support plate, the limiting screw passes through the adjusting groove and the two form a sliding fit; a damping spring is sleeved on the outer side of the limiting screw, the bottom end of the damping spring is fixedly connected to the base, and the top end of the damping spring abuts against the lower end of the support plate; a fastening nut is threadedly connected to the top end of the limiting screw; a driving assembly is fixedly mounted on the upper end of the support plate.

[0006] The present invention is further configured such that a drive screw is rotatably installed inside the slide groove, and the drive screw is threadedly connected to the moving plate; one end of the drive screw extends to the outside of the base and is fixedly installed with a handwheel.

[0007] The present invention is further configured such that guide rods are fixedly installed on both sides of the drive screw inside the slide groove, the guide rods penetrate the moving plate and the two form a sliding fit.

[0008] The present invention is further configured such that bearing seats are fixedly installed on both sides of the upper end face of the movable plate, and the two ends of the rotating shaft are rotatably installed in the bearing seats.

[0009] The present invention is further configured such that the drive assembly includes a motor and a reducer disposed at the output end of the motor, and a crankshaft is fixedly mounted on the output end of the reducer; a rocker arm assembly is disposed on the crankshaft.

[0010] The present invention is further configured such that the rocker arm assembly includes a first connecting rod and a second connecting rod; one end of the first connecting rod is fixedly installed on the output end of the crankshaft, and the other end of the first connecting rod is connected to one end of the second connecting rod; one end of the rotating shaft inside the washing box extends through the box body of the washing box to the outside; and the other end of the second connecting rod is fixedly connected to one end of the rotating shaft.

[0011] (III) Beneficial Effects Compared with the prior art, this utility model provides a crankshaft track motion damping structure, which has the following beneficial effects: 1. This crankshaft track motion damping structure comprises a stepped base, a slide groove with a drive screw and guide rod, a movable support plate, and an elastic support system consisting of a limit screw and damping springs. The motor drives the crankshaft to rotate via a reducer, and the crankshaft transmits power to the washing bin shaft via a connecting rod mechanism. Vibrations generated during operation are transmitted to the damping springs via the support plate, and the elastic deformation of the springs effectively absorbs the vibrations. This reduces equipment operating noise, ensures the smooth operation of the motor and transmission system, and thus extends the service life of the entire machine.

[0012] 2. This crankshaft track motion damping structure comprises a base, a drive screw with a handwheel, a movable plate constrained by a guide rod, a support plate, a limit screw, and damping springs. Loosening the locking nut and rotating the handwheel converts the rotation of the drive screw into linear movement of the movable plate via a threaded joint. This, in turn, causes the entire support plate and its motor and crankshaft assembly to translate, changing the center distance between the crankshaft and the driven shaft. After adjustment, tightening the locking nut secures the position. This allows for flexible and precise adjustment of the washing machine's shaft swing amplitude according to actual needs, thereby optimizing the cleaning effect. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the main structure of this utility model; Figure 2 This is a side view of the structure of this utility model; Figure 3 This is a cross-sectional structural diagram of the present invention.

[0014] Reference numerals in the attached drawings: 1. Base; 2. Slide groove; 3. Moving plate; 4. Rotating shaft; 5. Support plate; 6. Limiting screw; 7. Adjusting groove; 8. Shock-absorbing spring; 9. Guide rod; 10. Drive screw; 11. Handwheel; 12. Bearing seat; 13. Motor; 14. Reducer; 15. Crankshaft; 16. First connecting rod; 17. Second connecting rod. Detailed Implementation

[0015] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0016] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0017] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0018] Please see Figures 1-3 A crankshaft track motion damping structure includes a base 1 with a stepped top. A groove 2 is formed on the higher surface of the top of the base 1, and a movable plate 3 is slidably mounted inside the groove 2. Bearing seats 12 are fixedly mounted on both sides of the upper surface of the movable plate 3. Both ends of a rotating shaft 4 are rotatably mounted within the bearing seats 12, and a support plate 5 is fixedly mounted on the rotating shaft 4. A limiting screw 6 is fixedly mounted on the lower surface of the top of the base 1. An adjusting groove 7 is formed on the support plate 5, through which the limiting screw 6 passes, forming a sliding fit. A damping spring 8 is sleeved on the outer side of the limiting screw 6. The bottom end of the damping spring 8 is fixedly connected to the base 1, and the top end of the damping spring 8 abuts against the lower surface of the support plate 5. A fastening nut is threaded onto the top end of the limiting screw 6. The height difference between the shock-absorbing spring 8 and the rotating shaft 4 is equal to the height difference between the higher and lower surfaces of the top of the base 1. The height difference between the higher and lower surfaces of the top of the base 1 is used to compensate for the height difference between the rotating shaft 4 and the shock-absorbing spring 8, ensuring that the support plate 5 is set horizontally.

[0019] A drive screw 10 is rotatably mounted inside the slide groove 2. The drive screw 10 is threadedly connected to the movable plate 3, and one end of the drive screw 10 extends to the outside of the base 1 and is fixedly mounted with a handwheel 11. Guide rods 9 are fixedly mounted on both sides of the slide groove 2 corresponding to the drive screw 10. The guide rods 9 pass through the movable plate 3 and the two form a sliding fit. This facilitates precise adjustment of the position of the movable plate 3 and ensures the stability of the movement process through the guide rods 9.

[0020] A drive assembly is fixedly mounted on the upper surface of the support plate 5. The drive assembly includes a motor 13 and a reducer 14 located at the output end of the motor 13. A crankshaft 15 is fixedly mounted on the output end of the reducer 14, and a rocker arm assembly is mounted on the crankshaft 15. The rocker arm assembly includes a first connecting rod 16 and a second connecting rod 17. One end of the first connecting rod 16 is fixedly mounted on the output end of the crankshaft 15, and the other end of the first connecting rod 16 is connected to one end of the second connecting rod 17. One end of the rotating shaft inside the washing box extends through the box body to the outside, and the other end of the second connecting rod 17 is fixedly connected to one end of the rotating shaft. When the motor 13 is running, the vibration of the motor 13 is transmitted to the damping spring 8 through the support plate 5. The elastic deformation of the damping spring 8 is used to achieve the purpose of vibration damping. This makes the motor 13 run more smoothly, and the driving force transmitted to the washing box through the rocker arm assembly is also more stable. The movement of the motor 13 and the reducer 14 is more stable, resulting in a longer service life, more stable operation of the washing machine, reduced noise, and extended service life.

[0021] In summary, when using the entire device: First, loosen the fastening nut at the top of the limiting screw 6 to release its locking force on the support plate 5, allowing the support plate 5 and the drive assembly above it to achieve an adjustable floating state. Then, the operator rotates the handwheel 11, which drives the fixed drive screw 10 to rotate within the slide groove 2. Because the drive screw 10 and the moving plate 3 are threadedly connected, and the moving plate 3 is simultaneously constrained by the guide rod 9 passing through it, it can only slide within the slide groove 2. Therefore, the rotational motion of the drive screw 10 is converted into linear motion of the moving plate 3 along the slide groove 2. The movement of the moving plate 3 synchronously causes the rotating shaft 4 fixed to its bearing seat 12 and the entire support plate 5 structure to displace. During this process, the adjustment groove 7 on the support plate 5 slides smoothly along the fixed limiting screw 6. This design provides the necessary guidance and travel space for the movement of the support plate 5, and also ensures that the support plate 5 maintains the correct horizontal orientation during movement, while the shock-absorbing spring 8 continuously provides stable elastic support. The change in the position of the support plate 5 directly causes a change in the spatial distance between the motor 13, reducer 14, and crankshaft 15 fixed on it and the rotating shaft of the chopsticks washer. This distance is a key parameter that determines the swing amplitude: according to the kinematic geometry of the rocker arm assembly, the closer the distance between the crankshaft 15 and the rotating shaft of the chopsticks washer, the greater the angular displacement applied to the rotating shaft of the chopsticks washer through the transmission mechanism formed by the first connecting rod 16 and the second connecting rod 17 during the uniform rotation of the crankshaft 15, that is, the swing amplitude of the rotating shaft increases accordingly; conversely, when the distance between the two is increased, the transmission ratio of the first connecting rod 16 and the second connecting rod 17 changes, and the swing amplitude output to the rotating shaft of the chopsticks washer will decrease accordingly. After adjusting to the desired swing amplitude, the operator must finally tighten the fastening nut on the limit screw 6 to firmly press the support plate 5 onto the shock-absorbing spring 8, thereby locking the position of the entire support plate 5 and drive assembly, ensuring that the equipment is structurally stable and operates reliably in subsequent work.

[0022] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A crankshaft track motion damping structure, comprising a base (1), characterized in that, The top of the base (1) is stepped; a groove (2) is provided on the higher surface of the top of the base (1), a movable plate (3) is slidably installed inside the groove (2), a rotating shaft (4) is rotatably installed on the upper surface of the movable plate (3), a support plate (5) is fixedly installed on the rotating shaft (4), a limiting screw (6) is fixedly installed on the lower surface of the top of the base (1), an adjustment groove (7) is provided on the support plate (5), the limiting screw (6) passes through the adjustment groove (7) and the two form a sliding fit; a shock-absorbing spring (8) is sleeved on the outside of the limiting screw (6), the bottom end of the shock-absorbing spring (8) is fixedly connected to the base (1), and the top end of the shock-absorbing spring (8) abuts against the lower surface of the support plate (5); a fastening nut is threadedly connected to the top end of the limiting screw (6); a drive assembly is fixedly provided on the upper surface of the support plate (5).

2. The crankshaft track motion damping structure according to claim 1, characterized in that: A drive screw (10) is rotatably mounted inside the slide (2), and the drive screw (10) is threadedly connected to the moving plate (3); one end of the drive screw (10) extends to the outside of the base (1) and is fixedly mounted with a handwheel (11).

3. The crankshaft track motion damping structure according to claim 2, characterized in that: Inside the groove (2), guide rods (9) are fixedly installed on both sides corresponding to the drive screw (10). The guide rods (9) pass through the moving plate (3) and the two form a sliding fit.

4. The crankshaft track motion damping structure according to claim 1, characterized in that: The upper end face of the movable plate (3) is fixedly installed with bearing seats (12) on both sides, and the two ends of the rotating shaft (4) are rotatably installed in the bearing seats (12).

5. The crankshaft track motion damping structure according to claim 1, characterized in that: The drive assembly includes a motor (13) and a reducer (14) disposed at the output end of the motor (13). A crankshaft (15) is fixedly mounted on the output end of the reducer (14). A rocker arm assembly is disposed on the crankshaft (15).

6. The crankshaft track motion damping structure according to claim 5, characterized in that: The rocker arm assembly includes a first connecting rod (16) and a second connecting rod (17); one end of the first connecting rod (16) is fixedly installed at the output end of the crankshaft (15), and the other end of the first connecting rod (16) is connected to one end of the second connecting rod (17); one end of the rotating shaft inside the washing box extends through the box body to the outside; the other end of the second connecting rod (17) is fixedly connected to one end of the rotating shaft.

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