Synchronizing wheel assembly of center distance adjusting mechanism

Abstract

The utility model provides a center distance adjusting mechanism synchronizing wheel assembly which comprises a mounting plate, a guide groove is formed in the mounting plate, an adjusting structure is arranged in the guide groove, a synchronizing wheel body is rotationally connected into the adjusting structure, a mounting groove is formed in the mounting plate, and the adjusting structure is arranged in the mounting groove. A stretching structure is arranged in the mounting groove, and a top plate is arranged at the top of the mounting plate. The device is reasonable in design, through the arrangement of the movable mounting ring, the mounting ring can drive the synchronous wheel to move and adjust the center distance of the synchronous wheel, meanwhile, due to the fact that the synchronous belt can not be connected with the synchronous wheel and the transmission lead screw rotates, the transmission lead screw drives the connecting block to move, and the synchronous wheel is driven to move. And the connecting blocks drive the synchronous belts to move inwards, the synchronous belts are meshed with the synchronous wheels again, and transmission of the multiple synchronous wheels is achieved.

Description

Technical Field

[0001] The utility model mainly relates to the field of synchronous pulley assemblies, and particularly relates to a synchronous pulley assembly with a center distance adjusting mechanism. Background Art

[0002] ‌The synchronous pulley assembly‌ is a mechanical transmission device that combines the advantages of belt drive, chain drive, and gear drive, and transmits power through the meshing of synchronous belt teeth and belt grooves of the pulley;

[0003] Among them, the synchronous pulley assembly mainly consists of a wheel body, gear teeth, a synchronous device‌, bearings, and a shaft‌.

[0004] The inventor found the following defects during the operation of specific embodiments:

[0005] However, after the synchronous device and the synchronous belt are used for a long time, the synchronous belt will become loose, causing the synchronous belt to fail to mesh with the synchronous pulley, resulting in a difference in the rotational speed of the synchronous pulley and affecting the transmission efficiency of the synchronous pulley to other devices.

[0006] It should be noted that the above content belongs to the technical cognition scope of the inventor. Due to the vast and complex technical content in this field, the above content of this application does not necessarily constitute the prior art. Content of the Utility Model

[0007] 1. Technical problems to be solved by the utility model:

[0008] The utility model provides a synchronous pulley assembly with a center distance adjusting mechanism to solve the technical problems existing in the above background art.

[0009] 2. Technical solutions:

[0010] To achieve the above object, the technical solution provided by the utility model is: a synchronous pulley assembly with a center distance adjusting mechanism, including a mounting plate, a guiding groove is opened inside the mounting plate, an adjusting structure is arranged inside the guiding groove, a synchronous pulley body is rotatably connected inside the adjusting mechanism, a mounting groove is opened inside the mounting plate, a stretching structure is arranged inside the mounting groove, a top plate is arranged on the top of the mounting plate, a servo motor is arranged on the top of the top plate, a driving structure is arranged at the output end of the servo motor, a synchronous belt is arranged on the outer wall of the synchronous pulley body, and the synchronous belt is slidably connected with the stretching structure.

[0011] Further, the number of both the guiding groove and the mounting groove is set to four, the four guiding grooves and mounting grooves are annularly arrayed inside the mounting plate, and a mounting groove is opened between two guiding grooves.

[0012] Further, the adjustment structure includes an electric push rod disposed inside the guide groove. One end of the electric push rod is provided with a mounting ring which is slidably connected to the guide groove and rotatably connected to the synchronous pulley body.

[0013] Further, the stretching structure includes a transmission lead screw rotatably connected inside the mounting groove. The outer wall of the transmission lead screw is provided with a connecting block. A mating hole is formed at the bottom of the connecting block and is in cooperation with the transmission lead screw. A connecting groove is formed inside the connecting block and is slidably connected to the synchronous belt.

[0014] Further, one end of the transmission lead screw is provided with a connecting shaft, and a clamping groove is formed at one end of the connecting shaft.

[0015] Further, the driving structure includes a rotating disk. The top of the rotating disk is connected to the output end of the servo motor. A driving motor is disposed inside the rotating disk. A transmission shaft is disposed on the outer wall of the driving motor, and a connecting plate is disposed at one end of the transmission shaft.

[0016] 3. Beneficial effects:

[0017] Adopting the technical solution provided by the present utility model, compared with the prior art, the following beneficial effects are achieved:

[0018] By providing a movable mounting ring in the present utility model, the mounting ring can drive the synchronous pulley to move, adjust the center distance of the synchronous pulley. At the same time, after adjustment, since the synchronous belt cannot be connected to the synchronous pulley, the transmission lead screw rotates, causing the transmission lead screw to drive the connecting block to move, and the connecting block drives the synchronous belt to move inward, and the synchronous belt meshes with the synchronous pulley again, realizing the transmission of multiple synchronous pulleys. Description of the drawings

[0019] Figure 1 is a three-dimensional structural diagram of the present utility model;

[0020] Figure 2 is a three-dimensional structural diagram of the mounting plate of the present utility model;

[0021] Figure 3 is a three-dimensional structural diagram of the synchronous pulley of the present utility model.

[0022] Reference numerals:

[0023] 1. Mounting plate; 2. Guide groove; 3. Electric push rod; 4. Mounting ring; 5. Mounting groove; 6. Transmission lead screw; 7. Connecting shaft; 8. Engaging groove; 9. Connecting block; 10. Connecting groove; 11. Matching hole; 12. Top plate; 13. Servo motor; 14. Rotating disk; 15. Driving motor; 16. Transmission shaft; 17. Connecting plate; 18. Synchronous pulley; 19. Synchronous belt. Detailed implementation mode

[0024] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present utility model are given in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

[0025] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0026] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more, unless otherwise specifically defined.

[0027] In the present utility model, unless otherwise clearly specified and limited, terms such as "mount", "connect", "connection", "fix", "provide", "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. Embodiment

[0028] Refer to the attached Figures 1-3, a synchronous pulley assembly of a center distance adjusting mechanism, including a mounting plate 1. A guide groove 2 is formed inside the mounting plate 1. An adjusting structure is arranged inside the guide groove 2. A synchronous pulley body 18 is rotatably connected inside the adjusting mechanism. A mounting groove 5 is formed inside the mounting plate 1. A stretching structure is arranged inside the mounting groove 5. A top plate 12 is arranged on the top of the mounting plate 1. A servo motor 13 is arranged on the top of the top plate 12. A driving structure is arranged at the output end of the servo motor 13. A synchronous belt 19 is arranged on the outer wall of the synchronous pulley body 18. The synchronous belt 19 is slidably connected with the stretching structure.

[0029] Furthermore, the number of both the guide groove 2 and the mounting groove 5 is set to four. The four guide grooves 2 and mounting grooves 5 are annularly arrayed inside the mounting plate 1. The mounting groove 5 is formed between two of the guide grooves 2.

[0030] Furthermore, the adjusting structure includes an electric push rod 3. The electric push rod 3 is arranged inside the guide groove 2. One end of the electric push rod 3 is provided with a mounting ring 4. The mounting ring 4 is slidably connected with the guide groove 2. The mounting ring 4 is rotatably connected with the synchronous pulley body 18. When the electric push rod 3 is started, the electric push rod 3 drives the mounting ring 4 to slide on the inner wall of the guide groove 2, so that the mounting ring 4 drives the synchronous pulley body 18 to move, thereby moving the synchronous pulley body 18 to different positions and realizing the adjustment of the center distance of the synchronous pulley body 18.

[0031] Further, the stretching structure includes a transmission lead screw 6 which is rotatably connected to the inside of the installation groove 5. A connecting block 9 is arranged on the outer wall of the transmission lead screw 6. A matching hole 11 is formed at the bottom of the connecting block 9, and the matching hole 11 cooperates with the transmission lead screw 6. A connecting groove 10 is formed inside the connecting block 9, and the connecting groove 10 is slidably connected to the synchronous belt 19. One end of the transmission lead screw 6 is provided with a connecting shaft 7, and a clamping groove 8 is formed at one end of the connecting shaft 7. The driving structure includes a rotating disk 14, the top of the rotating disk 14 is connected to the output end of the servo motor 13. A driving motor 15 is arranged inside the rotating disk 14. A transmission shaft 16 is arranged on the outer wall of the driving motor 15. One end of the transmission shaft 16 is provided with a connecting plate 17. After the center distance of the synchronous pulley body 18 is adjusted, the synchronous belt 19 also needs to be adjusted accordingly. Start the servo motor 13, the servo motor 13 drives the rotating disk 14 to rotate, the rotating disk 14 drives the connecting plate 17 into the synchronous belt 19 on the side of the adjusted synchronous pulley body 18, then the connecting plate 17 is inserted into the clamping groove 8. Then start the driving motor 15, the driving motor 15 drives the transmission shaft 16 to rotate, the transmission shaft 16 drives the connecting plate 17 to rotate, the connecting plate 17 is connected to the clamping groove 8 and drives the connecting shaft 7 to rotate, the connecting shaft 7 drives the transmission lead screw 6 to rotate, so that the transmission lead screw 6 drives the connecting block 9 to slide inside the installation groove 5, and then the matching hole 11 inside the connecting block 9 pulls the synchronous belt 19 to move, so that the synchronous belt 19 is reconnected to the adjusted synchronous pulley body 18.

[0032] The above embodiments only represent a certain implementation mode of the present invention, and its description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims

1. A synchronous pulley assembly of a center distance adjusting mechanism, characterized in that: including a mounting plate (1), a guiding groove (2) is formed inside the mounting plate (1), an adjusting structure is arranged inside the guiding groove (2), a synchronous wheel body (18) is rotatably connected inside the adjusting mechanism, a mounting groove (5) is formed inside the mounting plate (1), a stretching structure is arranged inside the mounting groove (5), a top plate (12) is arranged on the top of the mounting plate (1), a servo motor (13) is arranged on the top of the top plate (12), a driving structure is arranged at the output end of the servo motor (13), a synchronous belt (19) is arranged on the outer wall of the synchronous wheel body (18), and the synchronous belt (19) is slidably connected with the stretching structure.

2. The synchronous pulley assembly of a center distance adjusting mechanism according to claim 1, wherein: The number of the guiding grooves (2) and the mounting grooves (5) is both set to four, and the four guiding grooves (2) and the mounting grooves (5) are annularly arrayed inside the mounting plate (1), and a mounting groove (5) is formed between two of the guiding grooves (2).

3. The synchronous pulley assembly of a center distance adjusting mechanism according to claim 1, characterized in that: The adjusting structure includes an electric push rod (3), the electric push rod (3) is arranged inside the guiding groove (2), a mounting ring (4) is arranged at one end of the electric push rod (3), the mounting ring (4) is slidably connected with the guiding groove (2), and the mounting ring (4) is rotatably connected with the synchronous wheel body (18).

4. A synchronous pulley assembly of a center distance adjusting mechanism according to claim 1, characterized in that: The stretching structure includes a transmission lead screw (6), the transmission lead screw (6) is rotatably connected inside the mounting groove (5), a connecting block (9) is arranged on the outer wall of the transmission lead screw (6), a mating hole (11) is formed at the bottom of the connecting block (9), the mating hole (11) cooperates with the transmission lead screw (6), a connecting groove (10) is formed inside the connecting block (9), and the connecting groove (10) is slidably connected with the synchronous belt (19).

5. A synchronous pulley assembly of a center distance adjusting mechanism according to claim 4, characterized in that: One end of the transmission lead screw (6) is provided with a connecting shaft (7), and a clamping groove (8) is formed at one end of the connecting shaft (7).

6. The synchronous pulley assembly of a center distance adjusting mechanism according to claim 1, characterized in that: The driving structure includes a rotating disk (14), the top of the rotating disk (14) is connected with the output end of the servo motor (13), a driving motor (15) is arranged inside the rotating disk (14), a transmission shaft (16) is arranged on the outer wall of the driving motor (15), and a connecting plate (17) is arranged at one end of the transmission shaft (16).

Images