Large-hollow direct-drive micro-motion alignment platform

Abstract

The utility model belongs to the technical field of alignment platforms, and particularly relates to a large hollow direct-drive micro-motion alignment platform which comprises a base, a rotating plate is arranged at the top of the base, a rotating ring is fixedly connected to the bottom of the rotating plate, a rotating rod is fixedly connected to the outer wall of the rotating ring, a linkage groove is formed in the rotating rod, and a fixing plate is fixedly connected to the outer wall of the base. An adjusting screw rod is movably connected to the inner wall of the right fixing plate, a knob is fixedly connected to the end, penetrating through the left fixing plate, of the other end of the adjusting screw rod, an adjusting block is in threaded connection with the outer wall of the adjusting screw rod, a linkage rod is fixedly connected to the bottom of the adjusting block, and the bottom of the linkage rod is located in the linkage groove; the cross section of the annular groove is in a T shape, the bottom of the rotating plate is fixedly connected with a limiting ring, and the limiting ring is located in the annular groove. Under the action of the adjusting screw rod, the rotating angle can be accurately adjusted, and the working accuracy of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of alignment platforms, and particularly relates to a large hollow direct drive micro-motion alignment platform. Background Technique

[0002] An alignment platform is a high-precision position detection device that adjusts the position through the linkage of shafts in different directions, which can reduce the difficulty of detecting the object to be detected and improve the detection accuracy. The alignment platform is applied to the precision electronics industry. With the development of manufacturing technology, the performance requirements for the alignment platform are getting higher and higher.

[0003] When the existing large hollow alignment platform is in use, it has extremely high requirements for accuracy, and in some cases, the object placed on the top needs to be rotated to achieve precise alignment, but the rotation angle of the alignment platform cannot be well controlled, resulting in low accuracy and affecting the use of the alignment platform. Summary of the Invention

[0004] The purpose of the utility model is to provide a large hollow direct drive micro-motion alignment platform, which can accurately adjust the rotation angle and improve the accuracy of the utility model during operation.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is: to provide a large hollow direct drive micro-motion alignment platform, including a base, a rotating plate is arranged on the top of the base, a rotating ring is fixedly connected to the bottom of the rotating plate, a rotating rod is fixedly connected to the outer wall of the rotating ring, a linkage groove is opened inside the rotating rod, a fixing plate is fixedly connected to the outer wall of the base, and the number of the fixing plates is two. The inner wall of the right fixing plate is movably connected with an adjusting screw rod, the other end of the adjusting screw rod penetrates through one end of the left fixing plate and is fixedly connected with a knob, an adjusting block is threadedly connected to the outer wall of the adjusting screw rod, a linkage rod is fixedly connected to the bottom of the adjusting block, the bottom of the linkage rod is located inside the linkage groove, an annular groove is opened on the top of the base, the cross-section of the annular groove is T-shaped, and a limiting ring is fixedly connected to the bottom of the rotating plate, and the limiting ring is located inside the annular groove.

[0006] Optionally, a longitudinal moving groove is opened on the top of the rotating plate, a longitudinal screw rod is movably connected to the inner wall of the longitudinal moving groove, a longitudinal motor is fixedly connected to the outer wall of the rotating plate, the output end of the longitudinal motor is fixedly connected to the other end of the longitudinal screw rod, and a longitudinal moving block is threadedly connected to the outer wall of the longitudinal screw rod.

[0007] Optionally, a transverse moving groove is opened on the top of the rotating plate, a transverse screw rod is movably connected to the inner wall of the transverse moving groove, a transverse motor is fixedly connected to the outer wall of the rotating plate, the output end of the transverse motor is fixedly connected to the other end of the transverse screw rod, and a transverse moving block is threadedly connected to the outer wall of the transverse screw rod.

[0008] Optionally, an adjusting plate is provided at the top of the rotating plate. A transverse limiting groove and a longitudinal limiting groove are formed at the bottom of the adjusting plate. The top of the longitudinal moving block is located inside the transverse limiting groove, and the top of the transverse moving block is located inside the longitudinal limiting groove.

[0009] Optionally, a ball groove is formed at the top of the rotating plate, and the number of ball grooves is multiple. A ball is installed inside each of the multiple ball grooves.

[0010] Optionally, a supporting leg is fixedly connected to the bottom of the base, and the number of supporting legs is multiple.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. The present utility model is provided with a knob. During use, when the knob is rotated, the adjusting screw rod is driven to rotate. Since the outer wall of the adjusting screw rod is in threaded connection with the inner wall of the adjusting block, the adjusting block moves. The bottom of the linkage rod is located inside the linkage groove formed inside the rotating rod. When the adjusting block moves, the linkage rod connected to its bottom is driven to move along the inside of the linkage groove, so that the rotating rod drives the rotating ring to rotate, and then drives the rotating plate connected to the rotating ring to rotate, so that the object placed on the top of the adjusting plate rotates together, realizing the fine adjustment of the rotating plate and improving the accuracy of the present utility model.

[0013] 2. The present utility model is provided with a longitudinal motor. When the longitudinal motor operates, the output end of the longitudinal motor drives the longitudinal screw rod to rotate, thereby driving the longitudinal moving block threaded with the longitudinal screw rod to move along the longitudinal moving groove. The top of the longitudinal moving block is located in the longitudinal limiting groove formed at the bottom of the adjusting plate, and then the adjusting plate is pushed to move longitudinally. When the transverse motor operates, the output end of the transverse motor drives the transverse screw rod to rotate, and then drives the transverse moving block threaded with the transverse screw rod to move along the transverse moving groove. The top of the transverse moving block is located in the transverse limiting groove formed at the bottom of the adjusting plate, thereby pushing the adjusting plate to move transversely. At the same time, the longitudinal moving block slides along the longitudinal moving groove, so that the adjusting plate realizes the movement in all directions. In addition, a plurality of ball grooves are formed at the top of the rotating plate, and balls are installed inside the plurality of ball grooves, making the movement of the adjusting plate smoother. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1This is the first - perspective three - dimensional structure schematic diagram of the present utility model;

[0016] Figure 2 This is the second - perspective three - dimensional structure schematic diagram of the present utility model;

[0017] Figure 3 This is the third - perspective three - dimensional structure schematic diagram of the present utility model;

[0018] Figure 4 This is the bottom - view three - dimensional structure schematic diagram of the base of the present utility model;

[0019] Figure 5 This is the three - dimensional structure schematic diagram of the adjusting block of the present utility model;

[0020] Figure 6 This is the three - dimensional structure schematic diagram of the rotating rod of the present utility model;

[0021] Figure 7 This is the three - dimensional structure schematic diagram of the longitudinal moving block and the transverse moving block of the present utility model;

[0022] Figure 8 This is the three - dimensional structure schematic diagram of the adjusting plate of the present utility model;

[0023] Figure 9 This is the sectional three - dimensional structure schematic diagram of the annular groove of the present utility model;

[0024] Figure 10 This is the partial - sectional three - dimensional structure schematic diagram of the present utility model.

[0025] In the figure: 1. Base; 2. Rotating plate; 3. Rotating ring; 4. Rotating rod; 5. Linkage groove; 6. Fixed plate; 7. Adjusting lead screw; 8. Knob; 9. Adjusting block; 10. Linkage rod; 11. Annular groove; 12. Limiting ring; 13. Longitudinal moving groove; 14. Longitudinal lead screw; 15. Longitudinal motor; 16. Longitudinal moving block; 17. Transverse moving groove; 18. Transverse lead screw; 19. Transverse motor; 20. Transverse moving block; 21. Adjusting plate; 22. Transverse limiting groove; 23. Longitudinal limiting groove; 24. Ball groove; 25. Ball; 26. Support leg. Detailed implementation manners

[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0027] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0028] It should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention 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 thus should not be construed as a limitation to the present invention.

[0029] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying 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 invention, "a plurality of" means two or more unless otherwise specifically defined.

[0030] Refer to Figure 1-8 , a large hollow direct-drive micro-positioning platform provided by an embodiment of the present invention will now be described. A large hollow direct-drive micro-positioning platform includes a base 1. A rotating plate 2 is provided on the top of the base 1. A rotating ring 3 is fixedly connected to the bottom of the rotating plate 2. A rotating rod 4 is fixedly connected to the outer wall of the rotating ring 3. A linkage groove 5 is formed inside the rotating rod 4. A fixing plate 6 is fixedly connected to the outer wall of the base 1, and the number of the fixing plates 6 is two. The inner wall of the right fixing plate 6 is movably connected to an adjusting screw rod 7. The other end of the adjusting screw rod 7 penetrates through one end of the left fixing plate 6 and is fixedly connected to a knob 8. An adjusting block 9 is threadedly connected to the outer wall of the adjusting screw rod 7. A linkage rod 10 is fixedly connected to the bottom of the adjusting block 9. The bottom of the linkage rod 10 is located inside the linkage groove 5. An annular groove 11 is formed on the top of the base 1. The cross-section of the annular groove 11 is T-shaped. A limiting ring 12 is fixedly connected to the bottom of the rotating plate 2. The limiting ring 12 is located inside the annular groove 11.

[0031] Rotating the knob 8 drives the adjusting screw rod 7 to rotate. Since the outer wall of the adjusting screw rod 7 is threadedly connected to the inner wall of the adjusting block 9, the adjusting block 9 moves. The bottom of the linkage rod 10 is located inside the linkage groove 5 formed inside the rotating rod 4. When the adjusting block 9 moves, it drives the linkage rod 10 connected to its bottom to move along the inside of the linkage groove 5, so that the rotating rod 4 drives the rotating ring 3 to rotate, and further drives the rotating plate 2 connected to the rotating ring 3 to rotate, thereby driving the object placed on the top of the adjusting plate 21 to rotate together, realizing the fine adjustment of the rotating plate 2 and improving the accuracy of the present utility model.

[0032] In another embodiment of the present utility model, please refer to Figures 5 to 8 , a longitudinal moving groove 13 is formed in the top of the rotating plate 2. The inner wall of the longitudinal moving groove 13 is movably connected with a longitudinal screw rod 14. The outer wall of the rotating plate 2 is fixedly connected with a longitudinal motor 15. The output end of the longitudinal motor 15 is fixedly connected with the other end of the longitudinal screw rod 14. A longitudinal moving block 16 is threadedly connected to the outer wall of the longitudinal screw rod 14. A transverse moving groove 17 is formed in the top of the rotating plate 2. The inner wall of the transverse moving groove 17 is movably connected with a transverse screw rod 18. The outer wall of the rotating plate 2 is fixedly connected with a transverse motor 19. The output end of the transverse motor 19 is fixedly connected with the other end of the transverse screw rod 18. A transverse moving block 20 is threadedly connected to the outer wall of the transverse screw rod 18. An adjusting plate 21 is arranged on the top of the rotating plate 2. Transverse limiting grooves 22 and longitudinal limiting grooves 23 are formed in the bottom of the adjusting plate 21. The top of the longitudinal moving block 16 is located inside the transverse limiting groove 22, and the top of the transverse moving block 20 is located inside the longitudinal limiting groove 23.

[0033] When the longitudinal motor 15 operates, the output end of the longitudinal motor 15 drives the longitudinal screw rod 14 to rotate, thereby driving the longitudinal moving block 16 threadedly connected to the longitudinal screw rod 14 to move along the longitudinal moving groove 13. The top of the longitudinal moving block 16 is located in the longitudinal limiting groove 23 formed in the bottom of the adjusting plate 21, and further pushes the adjusting plate 21 to move longitudinally. When the transverse motor 19 operates, the output end of the transverse motor 19 drives the transverse screw rod 18 to rotate, and further drives the transverse moving block 20 threadedly connected to the transverse screw rod 18 to move along the transverse moving groove 17. The top of the transverse moving block 20 is located in the transverse limiting groove 17 formed in the bottom of the adjusting plate 21, thereby pushing the adjusting plate 21 to move transversely. At the same time, the longitudinal moving block 16 slides along the longitudinal limiting groove 23, so that the adjusting plate 21 realizes the movement in all directions.

[0034] In another embodiment of the present utility model, please refer to Figure 5 , a ball groove 24 is formed in the top of the rotating plate 2, and the number of the ball grooves 24 is multiple. Ball bearings 25 are installed in the multiple ball grooves 24. When the adjusting plate 21 moves, its bottom contacts with the multiple ball bearings 25, making the movement of the adjusting plate 21 smoother.

[0035] In another embodiment of the present utility model, please refer to Figure 1 , a plurality of feet 26 are fixedly connected to the bottom of the base 1.

[0036] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A large hollow direct drive micropositioning alignment platform, comprising a base (1), characterized in that: A rotating plate (2) is provided at the top of the base (1). A rotating ring (3) is fixedly connected to the bottom of the rotating plate (2). A rotating rod (4) is fixedly connected to the outer wall of the rotating ring (3). A linkage groove (5) is formed inside the rotating rod (4). A fixing plate (6) is fixedly connected to the outer wall of the base (1), and the number of the fixing plates (6) is two. The inner wall of the right fixing plate (6) is movably connected with an adjusting screw rod (7). The other end of the adjusting screw rod (7) penetrates through one end of the left fixing plate (6) and is fixedly connected with a knob (8). An adjusting block (9) is threadedly connected to the outer wall of the adjusting screw rod (7). A linkage rod (10) is fixedly connected to the bottom of the adjusting block (9). The bottom of the linkage rod (10) is located inside the linkage groove (5). An annular groove (11) is formed at the top of the base (1), and the cross section of the annular groove (11) is T-shaped. A limiting ring (12) is fixedly connected to the bottom of the rotating plate (2), and the limiting ring (12) is located inside the annular groove (11).

2. The large hollow direct drive micro-positioning platform according to claim 1, wherein: A longitudinal moving groove (13) is formed at the top of the rotating plate (2). A longitudinal screw rod (14) is movably connected to the inner wall of the longitudinal moving groove (13). A longitudinal motor (15) is fixedly connected to the outer wall of the rotating plate (2). The output end of the longitudinal motor (15) is fixedly connected to the other end of the longitudinal screw rod (14). A longitudinal moving block (16) is threadedly connected to the outer wall of the longitudinal screw rod (14).

3. The large hollow direct drive micro-positioning alignment platform according to claim 2, characterized in that: A transverse moving groove (17) is formed at the top of the rotating plate (2). A transverse screw rod (18) is movably connected to the inner wall of the transverse moving groove (17). A transverse motor (19) is fixedly connected to the outer wall of the rotating plate (2). The output end of the transverse motor (19) is fixedly connected to the other end of the transverse screw rod (18). A transverse moving block (20) is threadedly connected to the outer wall of the transverse screw rod (18).

4. The large hollow direct-drive micro-positioning alignment platform according to claim 3, wherein: An adjusting plate (21) is provided at the top of the rotating plate (2). A transverse limiting groove (22) and a longitudinal limiting groove (23) are formed at the bottom of the adjusting plate (21). The top of the longitudinal moving block (16) is located inside the transverse limiting groove (22). The top of the transverse moving block (20) is located inside the longitudinal limiting groove (23).

5. The large hollow direct drive micropositioning alignment platform according to claim 1, wherein: A ball groove (24) is formed at the top of the rotating plate (2), and the number of the ball grooves (24) is multiple. A ball (25) is installed inside each of the multiple ball grooves (24).

6. The large hollow direct drive micro-positioning alignment platform according to claim 1, characterized in that: Support feet (26) are fixedly connected to the bottom of the base (1), and the number of the support feet (26) is multiple.

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