High-stability lifting platform mechanism

Abstract

The utility model discloses a high-stability lifting platform mechanism which is characterized in that the output end of a motor is connected with a first rotating shaft, a first gear is arranged on the first rotating shaft, the first gear is meshed with a second gear and a third gear, the second gear is meshed with a fourth gear, and the third gear is arranged on a first power shaft; the two ends of the first power shaft extend to form first eccentric shafts, the first eccentric shafts are sleeved with one ends of the corresponding first transmission arms, the other ends of the first transmission arms are sleeved with first transmission shafts, the first transmission shafts are arranged on the lifting platform, the fourth gear is arranged on the second power shaft, and the two ends of the second power shaft extend to form second eccentric shafts. The second eccentric shaft is sleeved at one end of a corresponding second transmission arm, the other end of the second transmission arm is sleeved on a second transmission shaft, and the second transmission shaft is arranged on the lifting platform. The lifting platform is simple in structure, reasonable in design, capable of guaranteeing stability and reliability of lifting of the platform and suitable for some large-pressure scenes.

Description

Technical Field

[0001] The utility model relates to mechanical equipment, in particular to a high-stability lifting platform mechanism. Background Art

[0002] The lifting platform is a special mechanism used to lift products or equipment parts. For example, in a die-cutting machine, it is necessary to control the lifting platform to lift the material and the lower die to achieve die-cutting, hot stamping and other processing. The lifting platform mechanism of a traditional die-cutting machine is generally driven by a hydraulic cylinder or a crankshaft structure. In actual use, the hydraulic cylinder may have poor stroke accuracy and serious equipment contamination during use. The crankshaft structure has a complex overall assembly structure, which is inconvenient to produce and maintain, and the stability of the above two structural drives is difficult to guarantee. Utility Model Content

[0003] In view of the shortcomings of the background technology, the technical problem to be solved by the utility model is to provide a high-stability lifting platform mechanism for solving the above-mentioned problems.

[0004] To this end, the utility model is implemented by the following scheme: a high-stability lifting platform mechanism, characterized in that: it includes a motor, the output end of the motor is connected to the first rotating shaft, the first rotating shaft is provided with a first gear, the first gear is meshed with the second gear and the third gear, the second gear is meshed with the fourth gear, the third gear is arranged on the first power shaft, the first power shaft has first eccentric shafts extending from both ends, the first eccentric shaft is sleeved on one end of the corresponding first transmission arm, the other end of the first transmission arm is sleeved on the first transmission shaft, the first transmission shaft is arranged on the lifting platform, the fourth gear is arranged on the second power shaft, the second eccentric shafts are extended from both ends of the second power shaft, the second eccentric shaft is sleeved on one end of the corresponding second transmission arm, the other end of the second transmission arm is sleeved on the second transmission shaft, and the second transmission shaft is arranged on the lifting platform.

[0005] The lifting platform is provided with connecting blocks near its four corners, the connecting blocks are provided with guide sliders, and also includes a base, the base is extended with a guide part, and the guide part is inserted into the guide groove surrounded by two guide sliders.

[0006] The motor, the first gear, the second gear, the third gear, the fourth gear, the first power shaft and the second power shaft are all arranged on the base.

[0007] The first transmission shaft and the second transmission shaft are arranged on corresponding connecting blocks.

[0008] The above technical solution is a high-stability lifting platform mechanism, which drives the eccentric shaft to rotate by setting a gear group, and then transmits it through a transmission arm to drive the lifting platform to rise and fall. It can provide a greater lifting force and adapt to high-pressure usage scenarios. The eccentric shaft transmission structure can ensure the accuracy of the lifting stroke during long-term use. At the same time, the structure of the mechanism is simpler, and production, assembly and subsequent maintenance are very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The utility model has the following drawings:

[0010] Figure 1 It is a structural schematic diagram of the utility model;

[0011] Figure 2 for Figure 1 Another view without the lifting platform, part of the transmission arm and the base;

[0012] Figure 3 for Figure 1 Another perspective view after removing the lifting platform. DETAILED DESCRIPTION

[0013] As shown in the figure, the utility model discloses a high-stability lifting platform mechanism, including a motor 4, the output end of the motor 4 is connected to the first rotating shaft 11, the first rotating shaft 11 is provided with a first gear 12, the first gear 12 is meshed with the second gear 13 and the third gear 6, the second gear 13 is meshed with the fourth gear 14, the third gear 6 is arranged on the first power shaft 7, the first power shaft 7 has first eccentric shafts 8 extending from both ends, the first eccentric shaft 8 is sleeved on one end of the corresponding first transmission arm 5, the other end of the first transmission arm 5 is sleeved on the first transmission shaft 10, the first transmission shaft 10 is arranged on the lifting platform 1, the fourth gear 14 is arranged on the second power shaft 15, the second eccentric shafts 16 are extended from both ends of the second power shaft 15, the second eccentric shaft 16 is sleeved on one end of the corresponding second transmission arm 3, the other end of the second transmission arm 3 is sleeved on the second transmission shaft 17, and the second transmission shaft 17 is arranged on the lifting platform 1. Specifically, the lifting platform 1 is provided with a connecting block 9 near its four corners, and a guide slider 18 is provided on the connecting block 9. The lifting platform 1 also includes a base 2, and a guide portion 19 is extended on the base 2. The guide portion 19 is inserted into the guide groove surrounded by the two guide sliders 18, which can guide the lifting of the lifting platform 1 to ensure the stability and accuracy of the movement of the lifting platform 1. Of course, the guide structure can also be a slide seat provided on the lifting platform 1, and a slide rail structure matched with the slide seat provided on the base to achieve the guidance of the lifting platform. The motor 4, the first gear 12, the second gear 13, the third gear 6, the fourth gear 14, the first power shaft 7 and the second power shaft 15 are all provided on the base, and the first transmission shaft 10 and the second transmission shaft 17 are provided on the corresponding connecting block 9 to facilitate the overall assembly thereof.

[0014] The working principle of the utility model is: by controlling the motor 4 to drive the first rotating shaft 11 and the first gear 12 to rotate, and then drive the second, third and fourth gears to rotate, and then drive the first and second power shafts to rotate, so that the first eccentric shaft 8 and the second eccentric shaft 16 drive the first and second transmission arms to move, and drive the lifting platform 1 to perform periodic reciprocating lifting movements.

[0015] The structure of the utility model, by arranging a gear group to drive the eccentric shaft to rotate, and then transmitting it through the transmission arm, drives the lifting platform to rise and fall, can provide a greater lifting force, adapt to the use scenario of high pressure, and the structure of the eccentric shaft transmission can ensure that the accuracy of the lifting stroke is maintained during long-term use; at the same time, the structure of the mechanism is simpler, and production, assembly and later maintenance are very convenient.

Claims

1. A high stability lifting platform mechanism, characterized in that: The invention comprises a motor (4), wherein the output end of the motor (4) is connected to a first rotating shaft (11), a first gear (12) is arranged on the first rotating shaft (11), the first gear (12) is meshed with a second gear (13) and a third gear (6), the second gear (13) is meshed with a fourth gear (14), the third gear (6) is arranged on a first power shaft (7), first eccentric shafts (8) are extended from both ends of the first power shaft (7), and the first eccentric shafts (8) are sleeved on the corresponding first transmission arms (5). One end of the first transmission arm (5) is sleeved on the first transmission shaft (10), the other end of the first transmission arm (5) is sleeved on the first transmission shaft (10), the first transmission shaft (10) is arranged on the lifting platform (1), the fourth gear (14) is arranged on the second power shaft (15), the two ends of the second power shaft (15) are extended with second eccentric shafts (16), the second eccentric shaft (16) is sleeved on one end of the corresponding second transmission arm (3), the other end of the second transmission arm (3) is sleeved on the second transmission shaft (17), and the second transmission shaft (17) is arranged on the lifting platform (1).

2. A high stability lifting platform mechanism according to claim 1, characterized in that The lifting platform (1) is provided with connecting blocks (9) near its four corners, and a guide slider (18) is provided on the connecting block (9). The lifting platform (1) also includes a base (2), and a guide portion (19) is extended from the base (2). The guide portion (19) is inserted into a guide groove surrounded by two guide sliders (18).

3. A high stability lifting platform mechanism according to claim 2, characterized in that The motor (4), the first gear (12), the second gear (13), the third gear (6), the fourth gear (14), the first power shaft (7) and the second power shaft (15) are all arranged on a base.

4. A high stability lifting platform mechanism according to claim 2, characterized in that The first transmission shaft (10) and the second transmission shaft (17) are arranged on corresponding connecting blocks (9).

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