A synchronous wheel composite integrated screw

Abstract

The utility model discloses a synchronous wheel composite integral screw rod, specifically relates to synchronous wheel and screw rod technical field, including first sliding shaft, second sliding shaft, synchronous wheel and screw rod, first sliding shaft and second sliding shaft are parallel and set up horizontally on same plane, both ends of first sliding shaft and second sliding shaft are equipped with synchronous wheel, and the first sliding shaft and second sliding shaft first end and the terminal synchronous wheel corresponded sleeve set has synchronous belt, and first sliding shaft and second sliding shaft terminal all are through and are equipped with the guide seat, the utility model discloses a synchronous wheel drive and screw rod drive composite design in same frame, and through first motor drive synchronous wheel and synchronous belt realize the synchronous rotation of first sliding shaft and second sliding shaft, and then drive transmission seat along slide rail and carry out stable transmission, simultaneously, through second motor independent drive screw rod, can drive transmission seat and the synchronous belt, synchronous wheel along the axial accurate movement of being connected.

Description

Technical Field

[0001] This utility model relates to the field of synchronous pulleys and lead screws, specifically to a synchronous pulley composite lead screw. Background Technology

[0002] Common synchronous belt drive mechanisms are usually only used for unidirectional power transmission and are difficult to integrate with the lead screw system to achieve composite motion control. If it is necessary to achieve the coordinated operation of synchronous pulley drive and lead screw drive in the same system, multiple independent drive motors and transmission mechanisms are often required, which not only wastes resources but also complicates the control system and reduces overall reliability.

[0003] Therefore, the challenge lies in how to combine the smoothness and high speed of synchronous belt drives with the rigidity and high-precision positioning capabilities of screw drives to design a composite transmission device that is compact in structure, stable in operation, and has high precision and high load-bearing capacity. Utility Model Content

[0004] The purpose of this invention is to provide a synchronous pulley integrated lead screw to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: It includes a first sliding shaft, a second sliding shaft, a synchronous pulley, and a lead screw. The first and second sliding shafts are parallel and horizontally arranged on the same plane. Synchronous pulleys are sleeved at both ends of the first and second sliding shafts. Synchronous belts are sleeved on the synchronous pulleys at the beginning and end of the first and second sliding shafts, respectively. Guide seats are provided through the ends of both the first and second sliding shafts. The beginning end of the first sliding shaft is fixedly connected to the output end of a first motor, and the synchronous pulleys are driven to rotate at the beginning and end of the first sliding shaft by the first motor. The second sliding shaft rotates synchronously through the synchronous belt. The lower surfaces of the timing belts at both the beginning and end are clamped with transmission seats, and a lead screw is provided between the two transmission seats. The lead screw is parallel to the first sliding shaft and the second drawing shaft, and the beginning end of the lead screw is fixedly connected to the output end of the second motor. The second motor drives the lead screw to move the transmission seats, timing pulleys and timing belts from the end to the beginning.

[0006] Preferably, the outer surface of the synchronous pulley is provided with main meshing teeth, and the inner surface of the synchronous belt is provided with auxiliary meshing teeth that mesh with the main meshing teeth.

[0007] Preferably, the transmission seat is also provided with a composite tooth that meshes with the surface teeth of the synchronous belt.

[0008] Preferably, a slide rail is horizontally provided below each of the two synchronous belts. The bottom of the guide seat, which is connected through the ends of the first slide shaft and the second slide shaft, is fixedly connected to both ends of the slide rail. A slide block is slidably connected to the surface of the slide rail, and the surface of the slide block is fixedly connected to the bottom of the transmission seat.

[0009] Preferably, a transmission roller is horizontally provided on the other side of the lead screw, and both ends of the transmission roller also pass through the transmission seat.

[0010] Preferably, a protective plate is provided through the first sliding shaft, the second sliding shaft, the lead screw, and the transmission roller at their beginning ends. The protective plate is located on both sides of the timing belt at the beginning ends for protection.

[0011] Preferably, a transmission plate is provided at the end of the first sliding shaft, the second sliding shaft, the lead screw, and the transmission roller, and the transmission plate can slide through the lead screw.

[0012] The technical effects and advantages of this utility model are as follows: 1. This utility model integrates synchronous pulley transmission and lead screw drive into the same architecture. The first motor drives the synchronous pulley and synchronous belt to achieve synchronous rotation of the first and second sliding shafts, thereby driving the transmission seat to smoothly transmit along the slide rail. At the same time, the second motor independently drives the lead screw, which can drive the transmission seat and its connected synchronous belt and synchronous pulley to move precisely along the axial direction. The two sets of transmission mechanisms can work together or operate independently as needed, significantly enhancing the flexibility and functionality of the transmission.

[0013] 2. This utility model provides horizontal guidance and support for the transmission seat by setting up a slide rail and slide block in conjunction with a guide seat, which effectively prevents off-center load and vibration during transmission, ensures that the transmission seat moves smoothly along the predetermined trajectory, and further improves the operational stability and service life under compound motion conditions. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional internal detail diagram of the present invention; Figure 3 This is a schematic diagram showing the details of the lead screw motion of this utility model; Figure 4 This is a cross-sectional structural diagram of the present invention.

[0015] In the diagram: 1. First sliding shaft; 2. Second sliding shaft; 3. Synchronous pulley; 31. Main meshing tooth; 4. Synchronous belt; 41. Secondary meshing tooth; 5. Guide seat; 6. First motor; 7. Transmission seat; 71. Compound tooth; 8. Lead screw; 9. Second motor; 10. Slide rail; 11. Slide block; 12. Transmission roller; 13. Protective plate; 14. Transmission plate. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] This utility model provides a composite lead screw with a synchronous pulley as described in 1-4: it includes a first sliding shaft 1, a second sliding shaft 2, a synchronous pulley 3, and a lead screw 8. The first sliding shaft 1 and the second sliding shaft 2 are parallel to each other and horizontally arranged on the same plane. Synchronous pulleys 3 are mounted on both ends of the two sliding shafts via bearings. Specifically, synchronous belts 4 are correspondingly fitted onto the synchronous pulleys 3 at the beginning and end. The outer surface of the synchronous pulley 3 is provided with main meshing teeth 31, and the inner surface of the synchronous belt 4 is provided with secondary meshing teeth 41 that mesh with the main meshing teeth 31, thereby forming a... Two parallel annular synchronous belt drive circuits are formed. The first end of the first sliding shaft 1 is fixedly connected to the output shaft of the first motor 6 through a coupling. When the first motor 6 starts, it drives the first sliding shaft 1 to rotate, which in turn drives the synchronous pulleys 3 at both ends of the first sliding shaft 2 to rotate synchronously through the synchronous belt 4, thereby realizing the synchronous rotation of the second sliding shaft 2 and the first sliding shaft 1. At the ends of the two sliding shafts, a guide seat 5 is respectively provided. The guide seat 5 is equipped with a bearing to support the rotation of the sliding shaft and limit its axial movement.

[0018] On the lower horizontal section surface of the two synchronous belts 4, a transmission seat 7 is clamped and installed. A lead screw 8 is horizontally installed between the two transmission seats 7. The axis of the lead screw 8 is parallel to the first sliding shaft 1 and the second sliding shaft 2. The first end of the lead screw 8 is fixedly connected to the output shaft of the second motor 9 through a coupling. The screw part of the lead screw 8 cooperates with the ball nut (not shown in the figure) pre-installed inside the transmission seat 7. When the second motor 9 drives the lead screw 8 to rotate, the entire frame of the transmission seat 7 can be driven to move along the axial direction of the lead screw 8 (i.e. from the end to the beginning or in the opposite direction) through the nut pair.

[0019] In order to realize the power transmission or linkage between the transmission seat 7 and the synchronous belt 4, a compound tooth 71 is provided inside the transmission seat 7. The compound tooth 71 can mesh with the auxiliary meshing tooth 41 on the surface of the synchronous belt 4, thereby realizing the transmission seat 7 following the synchronous belt 4.

[0020] To ensure the stability of the transmission seat 7 during the compound motion process, a slide rail 10 is set below each of the two synchronous belts 4. The two ends of the slide rail 10 are fixedly connected to the bottom of the guide seat 5 to obtain stable support. A slide seat 11 is fixedly connected to the bottom of each transmission seat 7. The slide seat 11 and the slide rail 10 form a sliding connection. The slide rail 10 and the slide seat 11 jointly bear the load-bearing and guiding functions of the transmission seat 7, effectively preventing jamming caused by off-center loading.

[0021] To further enhance the rigidity of the structure and provide other possible transmission functions, a transmission roller 12 is arranged parallel to the side of the lead screw 8. Both ends of the transmission roller 12 also pass through the two transmission seats 7, and can move together with the transmission seats 7. It can be used to support or transmit other moving parts.

[0022] At the beginning of the equipment, protective plates 13 are installed on the shafts of the first sliding shaft 1, the second sliding shaft 2, the lead screw 8 and the transmission roller 12. The protective plates 13 are located on the inner and outer sides of the timing belt 4 at the beginning of the equipment. They are mainly used to prevent foreign objects from entering the transmission area and to provide safety protection for the rotating parts.

[0023] At the end of the device, the four shafts also pass through a transmission plate 14. The transmission plate 14 can slide together with the transmission seat 7 through the drive of the lead screw 8, serving as a mounting base for another motion platform and expanding the application flexibility of the device.

[0024] Working principle: When the first sliding shaft 1 and the second sliding shaft 2 need to rotate synchronously, the first motor 6 is started. The first motor 6 drives the first sliding shaft 1 to rotate, which in turn drives the synchronous pulleys 3 at both ends of the first sliding shaft 1 to rotate. Through the meshing transmission of the tensioned synchronous belt 4, the power is transmitted to the synchronous pulleys 3 at both ends of the second sliding shaft 2, thereby driving the second sliding shaft 2 to rotate synchronously with the first sliding shaft 1 at the same speed.

[0025] When it is necessary to move the transmission seat 7 and its related components, the second motor 9 is started. The second motor 9 drives the lead screw 8 to rotate, which moves with the nut installed in the frame of the transmission seat 7, thereby converting the rotational motion into linear motion of the transmission seat 7 along the lead screw axis.

[0026] The two modes can be performed simultaneously to achieve compound motion. For example, while the transmission seat 7 moves axially driven by the lead screw, the first motor 6 can drive the two sliding shafts to rotate synchronously. At this time, the compound teeth 71 inside the transmission seat 7 mesh with the synchronous belt 4, so the transmission seat 7 may also achieve a lateral movement through the synchronous belt 4 while moving axially, thus achieving a more complex motion trajectory. The two drives are independently controlled by their respective motors, which is highly flexible and has rich functions.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A synchronous pulley composite lead screw, comprising a first sliding shaft (1), a second sliding shaft (2), a synchronous pulley (3), and a lead screw (8), characterized in that: The first slide shaft (1) and the second slide shaft (2) are parallel and horizontally arranged on the same plane. Both ends of the first slide shaft (1) and the second slide shaft (2) are provided with synchronous pulleys (3). The first slide shaft (1) and the second slide shaft (2) are respectively provided with synchronous belts (4) at the beginning and end of the synchronous pulleys (3). The first slide shaft (1) and the second slide shaft (2) are respectively provided with guide seats (5). The beginning of the first slide shaft (1) is fixedly connected to the output end of the first motor (6). The first motor (6) drives the synchronous pulleys (3) to rotate at the beginning and end of the first slide shaft (1). The second slide shaft (2) rotates synchronously through the synchronous belt (4). The lower surfaces of the timing belts (4) at the beginning and end are each clamped with a transmission seat (7). A lead screw (8) is provided between the two transmission seats (7). The lead screw (8) is parallel to the first sliding shaft (1) and the second sliding shaft (2). The beginning end of the lead screw (8) is fixedly connected to the output end of the second motor (9). The second motor (9) drives the lead screw (8) to move the transmission seat (7), the timing pulley (3) and the timing belt (4) from the end to the beginning.

2. The synchronous pulley composite integrated lead screw as described in claim 1, characterized in that: The outer surface of the synchronous pulley (3) is provided with main meshing teeth (31), and the inner surface of the synchronous belt (4) is provided with auxiliary meshing teeth (41) that mesh with the main meshing teeth (31).

3. The synchronous pulley composite integrated lead screw as described in claim 2, characterized in that: The transmission seat (7) is also provided with a composite tooth (71) that meshes with the secondary meshing tooth (41) on the surface of the synchronous belt (4).

4. The synchronous pulley composite integrated lead screw as described in claim 1, characterized in that: Below each of the two synchronous belts (4), there is a horizontal slide rail (10). The bottom of the guide seat (5) that is connected through the ends of the first slide shaft (1) and the second slide shaft (2) is fixedly connected to both ends of the slide rail (10). A slide seat (11) is slidably connected to the surface of the slide rail (10). The surface of the slide seat (11) is fixedly connected to the bottom of the transmission seat (7).

5. The synchronous pulley composite integrated lead screw as described in claim 1, characterized in that: The lead screw (8) is provided with a horizontal transmission roller (12) on the other side, and the two ends of the transmission roller (12) are also connected to the transmission seat (7).

6. A synchronous pulley composite integrated lead screw as described in claim 1 or 5, characterized in that: The first slide shaft (1), the second slide shaft (2), the lead screw (8) and the transmission roller (12) are provided with a protective plate (13) through the beginning. The protective plate (13) is set on both sides of the synchronous belt (4) at the beginning for protection.

7. The synchronous pulley composite integrated lead screw as described in claim 1, characterized in that: A transmission plate (14) is provided at the end of the first sliding shaft (1), the second sliding shaft (2), the lead screw (8) and the transmission roller (12), and the transmission plate (14) can slide through the lead screw (8).

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