Lifting platform driven by electric lead screw

Abstract

The utility model relates to a lifting platform driven by an electric lead screw, and belongs to the technical field of conveying equipment. According to the technical scheme, a lifting platform (1) is arranged on a supporting frame (2), upper sliding ways (3) are arranged on the inner side and the outer side of the lower portion of the supporting frame (2), lower sliding ways (7) are arranged on the inner side and the outer side of the upper portion of a base (6), and a first driving rod (4) and a second driving rod (5) are hinged to each of the inner side and the outer side between the upper sliding ways (3) and the lower sliding ways (7); a driving motor (17), a speed reducer (15) of the driving motor (17) and a coupler (14) are fixedly arranged on the motor fixing plate (16), and an output shaft of the speed reducer is connected with the second driving rod (5). The utility model has the beneficial effects that by adopting a simple and stable mechanical transmission structure, the workpiece conveying efficiency is improved, the durability is excellent, the lifting requirements of workpieces with different weights can be met, and large vibration and noise are avoided in the lifting process.

Description

Technical Field

[0001] This utility model relates to an electric screw-driven lifting platform, belonging to the technical field of conveying equipment. Background Technology

[0002] Currently, lifting platforms have various drive types, including pneumatic, hydraulic, and mechanical transmission. Lifting platforms driven by the extension and retraction of cylinders generally have certain requirements regarding the weight of the workpiece, or require changing different cylinders to achieve the lifting effect of workpieces of different weights, which is somewhat inconvenient. Lifting platforms driven by the extension and retraction of hydraulic cylinders generally suffer from significant vibration, and the cylinder rods and seals have lower durability, making them prone to oil leaks and pressure drops. Furthermore, they require numerous hydraulic accessories. Summary of the Invention

[0003] The purpose of this utility model is to provide an electric screw-driven lifting platform. By adopting a simple and stable mechanical transmission structure, it can improve the efficiency of conveying workpieces, has excellent durability, can meet the lifting needs of workpieces of different weights, and has no significant vibration or noise during the lifting process, thus solving the above-mentioned problems existing in the background art.

[0004] The technical solution of this utility model is: an electric screw-driven lifting platform, comprising a lifting platform, a support frame, an upper slide rail, a first drive rod, a second drive rod, a base, a lower slide rail, and a motor fixing plate. The lifting platform is placed on the support frame. The upper slide rail is located on the inner and outer sides below the support frame, and the lower slide rail is located on the inner and outer sides above the base. Each side of the inner and outer sides between the upper and lower slide rails is hinged with a first drive rod and a second drive rod. The motor fixing plate is located in the middle of the base. A drive motor, its reducer, and a coupling are fixedly mounted on the motor fixing plate. The output shaft of the reducer is connected to the second drive rod.

[0005] It also includes an upper pulley and a lower pulley. The two ends of the first drive rod are rotatably connected to the upper pulley and the lower pulley, which are slidably connected in the upper slide rail and the lower slide rail on the corresponding side. The two ends of the second drive rod are rotatably connected to the upper pulley and the lower pulley, which are slidably connected in the upper slide rail and the lower slide rail on the corresponding side.

[0006] The connection between the first drive rod and the second drive rod is in an "X" shape, and the first drive rod and the second drive rod are hinged together by a central connecting shaft.

[0007] A trapezoidal lead screw is fixedly connected to the output shaft of the reducer, and a trapezoidal lead screw nut is screwed onto the trapezoidal lead screw. A lower connecting shaft is fixedly connected between the trapezoidal lead screw nut and the second drive rod.

[0008] The trapezoidal lead screw is provided with a front lead screw fixing seat and a rear lead screw fixing seat at both ends.

[0009] The beneficial effects of this utility model are: by adopting a simple and stable mechanical transmission structure, it can improve the efficiency of conveying workpieces, has excellent durability, can meet the lifting requirements of workpieces of different weights, and has no large vibration or noise during the lifting process. Attached Figure Description

[0010] Figure 1 This is the front view of this utility model;

[0011] Figure 2 This is the left view of this utility model;

[0012] Figure 3 This is a three-dimensional view of the present invention;

[0013] In the diagram: 1. Lifting platform; 2. Support frame; 3. Upper slide rail; 4. First drive rod; 5. Second drive rod; 6. Base; 7. Lower slide rail; 8. Lead screw front fixing seat; 9. Lead screw fixing base plate; 10. Trapezoidal lead screw nut; 11. Trapezoidal lead screw; 12. Bearing; 13. Lead screw rear fixing seat; 14. Coupling; 15. Reducer; 16. Motor fixing plate; 17. Drive motor; 18. Upper connecting shaft; 19. Middle connecting shaft; 20. Lower connecting shaft; 21. Upper pulley; 22. Limiting support block; 23. Lower slide wheel. Detailed Implementation

[0014] To make the purpose, technical solution, and advantages of this utility model clearer, the technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described implementation cases are only a small part of this utility model, not all of them. All other implementation cases obtained by those skilled in the art based on the implementation cases of this utility model without creative effort are within the protection scope of this utility model.

[0015] An electric screw-driven lifting platform includes a lifting platform 1, a support frame 2, an upper slide rail 3, a first drive rod 4, a second drive rod 5, a base 6, a lower slide rail 7, and a motor fixing plate 16. The lifting platform 1 is placed on the support frame 2. The upper slide rail 3 is located on the inner and outer sides below the support frame 2, and the lower slide rail 7 is located on the inner and outer sides above the base 6. The first drive rod 4 and the second drive rod 5 are hinged to each side of the inner and outer sides between the upper slide rail 3 and the lower slide rail 7. The motor fixing plate 16 is located in the middle of the base 6. A drive motor 17, a reducer 15, and a coupling 14 are fixed on the motor fixing plate 16. The output shaft of the reducer 15 is connected to the second drive rod 5.

[0016] It also includes an upper pulley 21 and a lower pulley 23. The two ends of the first drive rod 4 are rotatably connected to the upper pulley 21 and the lower pulley 23, which are slidably connected in the upper slide rail 3 and the lower slide rail 7 on the corresponding side. The two ends of the second drive rod 5 are rotatably connected to the upper pulley 21 and the lower pulley 23, which are slidably connected in the upper slide rail 3 and the lower slide rail 7 on the corresponding side.

[0017] The connection between the first drive rod 4 and the second drive rod 5 is in an "X" shape, and the first drive rod 4 and the second drive rod 5 are hinged together by a central connecting shaft 19.

[0018] A trapezoidal lead screw 11 is fixedly connected to the output shaft of the reducer 15, and a trapezoidal lead screw nut 10 is screwed onto the trapezoidal lead screw 11. A lower connecting shaft 20 is fixedly connected between the trapezoidal lead screw nut 10 and the second drive rod 5.

[0019] The trapezoidal lead screw 11 is provided with a front lead screw fixing seat 8 and a rear lead screw fixing seat 13 at both ends.

[0020] In practical applications, by rotating the trapezoidal lead screw 11, the trapezoidal lead screw nut 10 screwed onto the trapezoidal lead screw 11 can move to the left or right, thereby causing the first drive rod 4 to move down or up and the second drive rod 5 to move down or up, thus causing the lifting platform 1 to move down or up, and completing the high and low position transportation of the workpiece on the lifting platform 1.

[0021] This utility model provides an electric screw-driven lifting platform that improves the efficiency of conveying workpieces, has excellent durability, can meet the lifting needs of workpieces of different weights, and has no significant vibration or noise during the lifting process through a simple and stable mechanical transmission structure.

Claims

1. An electric screw-driven lifting platform, characterized in that: The device includes a lifting platform (1), a support frame (2), an upper slide rail (3), a first drive rod (4), a second drive rod (5), a base (6), a lower slide rail (7), and a motor fixing plate (16). The lifting platform (1) is placed on the support frame (2). The upper slide rail (3) is located on the inner and outer sides below the support frame (2). The lower slide rail (7) is located on the inner and outer sides above the base (6). The first drive rod (4) and the second drive rod (5) are hinged to each side of the inner and outer sides between the upper slide rail (3) and the lower slide rail (7). The motor fixing plate (16) is located in the middle of the base (6). A drive motor (17), its reducer (15), and a coupling (14) are fixed on the motor fixing plate (16). The output shaft of the reducer (15) is connected to the second drive rod (5).

2. The electric screw-driven lifting platform according to claim 1, characterized in that: It also includes an upper pulley (21) and a lower pulley (23). The two ends of the first drive rod (4) are rotatably connected to the upper pulley (21) and the lower pulley (23). The upper pulley (21) and the lower pulley (23) are slidably connected in the upper slide rail (3) and the lower slide rail (7) on the corresponding side. The two ends of the second drive rod (5) are rotatably connected to the upper pulley (21) and the lower pulley (23). The upper pulley (21) and the lower pulley (23) are slidably connected in the upper slide rail (3) and the lower slide rail (7) on the corresponding side.

3. The electric screw-driven lifting platform according to claim 1, characterized in that: The connection between the first drive rod (4) and the second drive rod (5) is in an "X" shape, and the first drive rod (4) and the second drive rod (5) are hinged together by a central connecting shaft (19).

4. The electric screw-driven lifting platform according to claim 1, characterized in that: A trapezoidal lead screw (11) is fixedly connected to the output shaft of the reducer (15), and a trapezoidal lead screw nut (10) is screwed onto the trapezoidal lead screw (11). A lower connecting shaft (20) is fixedly connected between the trapezoidal lead screw nut (10) and the second drive rod (5).

5. The electric screw-driven lifting platform according to claim 4, characterized in that: The trapezoidal lead screw (11) is provided with a front fixing seat (8) and a rear fixing seat (13) at both ends.

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