A heavy-load transfer platform with an anti-fall protection structure

Abstract

The utility model discloses a heavy-loaded turntable with an anti-fall protection structure, comprising a turntable frame, a motor is fixedly installed at the bottom end of the inner wall of the turntable frame, and a first coupling, two second couplings and four third couplings are fixedly installed at the output ends of the motor. The utility model provides a heavy-loaded turntable with an anti-fall protection structure, by arranging a screw lift, the motor drives the screw lift to move through the third coupling, the four-link screw lift pushes the lifting platform from the bottom to realize the lifting of the lifting platform and achieve precise docking with the mold changing conveying system, and the heavy-loaded turntable is precisely controllable by changing the transmission form, and the lifting platform can be self-locked in case of accidental interruption of the power source, and double safety insurance is achieved through the anti-fall mechanism, thereby improving reliability and economy; the entire turntable frame is composed of a motor, a coupling, a screw lift and a lifting platform, and standardized parts are used, which has low cost and convenient maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of transfer platforms, in particular to a heavy-load transfer platform with an anti-fall protection structure. Background Art

[0002] As labor costs become increasingly higher, the application of intelligent robots has become an inevitable trend. For example, many manufacturing industries use heavy-load transfer tables to solve the problems of sharply rising labor costs and difficulty in recruiting workers. Heavy-load transfer tables transfer and transport the required products.

[0003] However, traditional repeaters have the following disadvantages:

[0004] In the process of transferring equipment by traditional transfer stations, there are many non-standard parts of the equipment, which are complex to manufacture, high in cost, and difficult to maintain;

[0005] The existing mold transfer table is in the form of a hydraulic scissor lift, which is complex to manufacture and difficult to achieve precise docking with the mold change conveying system. In the event of an unexpected interruption of the power source, the lifting platform will fall, requiring an additional anti-fall mechanism to ensure safety. Utility Model Content

[0006] The purpose of the utility model is to provide a heavy-load transfer table with an anti-fall protection structure to solve the problem that in the process of transferring equipment by the traditional transfer table proposed in the above background technology, the equipment has many non-standard parts, is complex to manufacture, has high cost, and is difficult to maintain; the existing mold transfer table adopts the form of a hydraulic scissor lift, which is complex to manufacture and difficult to achieve precise docking with the mold changing conveying system. In the event of an accidental interruption of the power source, the lifting platform falls, and an additional anti-fall mechanism is required to ensure safety.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heavy-loaded turntable with an anti-fall protection structure, comprising a turntable frame, a motor is fixedly installed at the bottom end of the inner wall of the turntable frame, a first coupling, two second couplings and four third couplings are fixedly installed at the output ends of the motor, an intermediate position steering gear is installed on one side of the top of the turntable frame, and the turntable frame is installed with angular position steering gears located on both sides of the intermediate position steering gear, four linear guides are installed on the turntable frame, which are respectively located on both sides of the motor, a push rod crossbeam is slidably connected between the middle parts of every two adjacent linear guides, a screw lift is provided at the top of the four linear guides, and a connecting rod is provided between every two adjacent screw lifts, a lifting platform is provided at the top of the turntable frame, roller groups are installed on both sides of the top of the lifting platform, and sensors are fixedly installed at the four corners of the top of the turntable frame, and the height of the roller group is adjusted during the lifting of the lifting platform, and the roller group rolls and transmits the product, and the sensor senses the height of the roller group in real time to adjust the height of the roller group for product transmission.

[0008] Preferably, the motor is connected to the intermediate position steering gear via a first coupling, and the motor drives the intermediate position steering gear to steer from the intermediate position via the first coupling.

[0009] Preferably, the motor is connected to two angular position steering gears respectively through two second couplings, and the motor drives the angular position steering gears to steer through the second couplings.

[0010] Preferably, the motor is connected to four screw lifts respectively through four third couplings, and the motor drives the screw lifts to perform lifting movements through the third couplings.

[0011] Preferably, a fourth coupling is installed at one end of the four screw lifts, and the ends of the four fourth couplings away from the screw lifts are respectively connected to the two ends of the two connecting rods, and the top ends of the two connecting rods are respectively fixedly connected to the two sides of the bottom end of the lifting platform. The screw lift drives the connecting rod to lift synchronously through the fourth coupling, and the connecting rod pushes the lifting platform from the bottom to adjust the height of the lifting platform.

[0012] Preferably, a plurality of anti-fall rods are installed on the surfaces of the two push rod cross beams, and the top ends of the plurality of anti-fall rods are connected to the side directly opposite to the lifting platform, and the anti-fall rods are supported from the bottom of the lifting platform.

[0013] Preferably, two electric push rods are rotatably connected to the middle part of the top of the turntable frame, and the movable ends of the two electric push rods are rotatably connected to the middle parts of two push rod beams respectively. Shock-absorbing feet are fixedly installed on the four corners of the bottom end of the turntable frame, and guardrails are fixedly installed on both sides of the top of the turntable frame. A height sensor is fixedly installed on the surface of the turntable frame. The electric push rod performs telescopic movement, and the electric push rod performs synchronous angular deflection during the telescopic process. The electric push rod pulls the push rod beam to slide along the linear guide rail.

[0014] Preferably, the four screw lifts each include a casing and a worm wheel, one side of the bottom end of the inner wall of the casing is rotatably connected to the bottom end of the worm wheel, a screw body is installed inside the worm wheel, and a worm is installed on the other side of the bottom end of the inner wall of the casing, the worm is meshingly connected with the worm wheel, and the four third couplings are respectively connected to the ends of the four screw bodies that are opposite to each other.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. By setting up a screw lift, the motor drives the screw lift to move through the third coupling. The four-link screw lift pushes the lifting platform from the bottom to achieve lifting and lowering of the lifting platform, and achieves precise docking with the mold change conveying system. By changing the transmission form, the heavy-load transfer table can be accurately controlled. In the event of an accidental interruption of the power source, the lifting platform can be self-locked, and the anti-fall mechanism can achieve double safety insurance, thereby improving reliability and economy;

[0017] 2. The entire turntable frame consists of a motor, coupling, screw lift and lifting platform, using standardized parts, low cost and easy maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is one of the three-dimensional diagrams of the utility model;

[0019] Figure 2 This is the second stereogram of the utility model;

[0020] Figure 3 It is one of the side views of the utility model;

[0021] Figure 4 This is the second side view of the utility model;

[0022] Figure 5 It is a top view of the utility model.

[0023] In the figure: 1. motor; 2. first coupling; 3. intermediate position steering gear; 4. second coupling; 5. angular position steering gear; 6. third coupling; 7. screw lift; 71. worm; 72. housing; 73. screw body; 8. fourth coupling; 9. connecting rod; 10. electric push rod; 11. push rod beam; 12. anti-fall rod; 13. linear guide; 14. lifting platform; 15. roller group; 16. turntable frame; 17. sensor; 18. shock-absorbing foot; 19. guardrail; 20. height sensor. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] See also Figure 1-5The utility model provides a heavy-duty turntable with an anti-fall protection structure, including a turntable frame 16, a motor 1 is fixedly installed at the bottom end of the inner wall of the turntable frame 16, a first coupling 2, two second couplings 4 and four third couplings 6 are fixedly installed at the output ends of the motor 1, an intermediate position steering gear 3 is installed on one side of the top of the turntable frame 16, and the turntable frame 16 is installed with angular position steering gears 5 respectively located on both sides of the intermediate position steering gear 3, and the turntable frame 16 is installed with four linear guide rails 13 respectively located on both sides of the motor 1, and the middle parts of each two adjacent linear guide rails 13 are sliding. A push rod crossbeam 11 is connected, and screw lifts 7 are provided at the tops of the four linear guide rails 13. A connecting rod 9 is provided between every two adjacent screw lifts 7. A lifting platform 14 is provided at the top of the turntable frame 16. Roller groups 15 are installed on both sides of the top of the lifting platform 14. Sensors 17 are fixedly installed on the four corners of the top of the turntable frame 16. During the lifting and lowering of the lifting platform 14, the height of the roller group 15 is adjusted, and the roller group 15 rolls and transmits the product, and the sensor 17 senses the height of the roller group 15 in real time to adjust the height of the roller group 15 for product transmission.

[0026] The motor 1 is connected to the intermediate position steering gear 3 via the first coupling 2 , and the motor 1 drives the intermediate position steering gear 3 to steer from the intermediate position via the first coupling 2 .

[0027] The motor 1 is connected to two rotation angle position steering devices 5 respectively through two second couplings 4 , and the motor 1 drives the rotation angle position steering devices 5 to steer through the second couplings 4 .

[0028] The motor 1 is connected to four screw lifts 7 through four third couplings 6 respectively, and the motor 1 drives the screw lifts 7 to perform lifting motion through the third couplings 6 .

[0029] A fourth coupling 8 is installed at one end of the four screw lifts 7. The ends of the four fourth couplings 8 away from the screw lifts 7 are respectively connected to the two ends of the two connecting rods 9. The top ends of the two connecting rods 9 are respectively fixedly connected to the two sides of the bottom end of the lifting platform 14. The screw lifts 7 drive the connecting rods 9 to rise and fall synchronously through the fourth coupling 8. The connecting rods 9 push the lifting platform 14 from the bottom to adjust the height of the lifting platform 14.

[0030] A plurality of anti-falling rods 12 are installed on the surfaces of the two push rod cross beams 11 , and the top ends of the plurality of anti-falling rods 12 are connected to the side directly opposite to the lifting platform 14 , and the anti-falling rods 12 are supported from the bottom of the lifting platform 14 .

[0031] Two electric push rods 10 are rotatably connected to the middle part of the top of the turntable frame 16, and the movable ends of the two electric push rods 10 are rotatably connected to the middle parts of the two push rod cross beams 11 respectively. The four corners of the bottom end of the turntable frame 16 are fixedly installed with shock-absorbing feet 18, and guardrails 19 are fixedly installed on both sides of the top of the turntable frame 16. A height sensor 20 is fixedly installed on the surface of the turntable frame 16. The electric push rod 10 performs telescopic movement, and the electric push rod 10 performs synchronous angular deflection during the telescopic process. The electric push rod 10 pulls the push rod cross beam 11 to slide along the linear guide rail 13.

[0032] The four screw lifts 7 each include a casing 72 and a worm wheel. One side of the bottom end of the inner wall of the casing 72 is rotatably connected to the bottom end of the worm wheel. A screw body 73 is installed inside the worm wheel. A worm 71 is installed on the other side of the bottom end of the inner wall of the casing 72. The worm 71 is meshingly connected to the worm wheel. The four third couplings 6 are respectively connected to the ends of the four screw bodies 73 that are opposite to each other.

[0033] When the embodiment of the present application is in use, the motor 1 is energized, the intermediate position steering gear 3 is driven to operate through the first coupling 2, the angle position steering gear 5 is driven to operate through the second coupling 4, the screw lift 7 is raised through the third coupling 6, and the four screw lifts 7 are synchronized through the fourth coupling 8 and the connecting rod 9, thereby driving the lifting platform 14 to rise. When the roller group 15 reaches the predetermined position, the sensor 17 detects the output signal to control the motor 1 to stop. Figure 4 , the electric push rod 10 retracts, driving the push rod crossbeam 11, and guiding the anti-drop rod 12 to the specified position through the linear guide rail 13. When the motor 1 is accidentally powered off, the screw lift 7 is self-locking due to its own structural characteristics, and supports the lifting platform 14 through the anti-drop rod 12 to prevent the lifting platform 14 from falling. When the mold is separated from the turntable, the electric push rod 10 extends to make the anti-drop rod 12 return to the initial position, and the motor 1 reverses to make the screw lift 7 and the lifting platform 14 descend to the initial position.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A heavy-load transfer platform with an anti-fall protection structure, comprising a transfer platform frame (16), characterized in that: A motor (1) is fixedly mounted at the bottom end of the inner wall of the turntable frame (16); a first coupling (2), two second couplings (4) and four third couplings (6) are fixedly mounted at the output end of the motor (1); an intermediate position steering gear (3) is mounted on one side of the top end of the turntable frame (16); angular position steering gears (5) are mounted on the turntable frame (16) and are located on both sides of the intermediate position steering gear (3); and four linear guides (14) are mounted on the turntable frame (16) and are located on both sides of the motor (1). A guide rail (13), a push rod crossbeam (11) is slidably connected between the middle parts of every two adjacent linear guide rails (13), a screw lift (7) is provided at the top of each of the four linear guide rails (13), a connecting rod (9) is provided between every two adjacent screw lifts (7), a lifting platform (14) is provided at the top of the turntable (16), roller groups (15) are installed on both sides of the top of the lifting platform (14), and sensors (17) are fixedly installed at the four corners of the top of the turntable (16).

2. A heavy-load transfer platform with an anti-fall protection structure according to claim 1, characterized in that: The motor (1) is connected to the intermediate position steering gear (3) via a first coupling (2).

3. The heavy-load transfer platform with an anti-fall protection structure according to claim 1, characterized in that: The motor (1) is connected to two rotation angle position steering gears (5) respectively via two second couplings (4).

4. The heavy-load transfer platform with an anti-fall protection structure according to claim 1, characterized in that: The motor (1) is connected to four screw lifts (7) respectively via four third couplings (6).

5. The heavy-load transfer platform with an anti-fall protection structure according to claim 1, characterized in that: A fourth coupling (8) is installed at one end of the four screw lifts (7), and one end of the four fourth couplings (8) away from the screw lifts (7) is respectively connected to the two ends of the two connecting rods (9), and the top ends of the two connecting rods (9) are respectively fixedly connected to the two sides of the bottom end of the lifting platform (14).

6. The heavy-load transfer platform with an anti-fall protection structure according to claim 1, characterized in that: A plurality of anti-falling rods (12) are installed on the surfaces of the two push rod cross beams (11), and the top ends of the plurality of anti-falling rods (12) are connected to the side directly facing the lifting platform (14).

7. The heavy-load transfer platform with an anti-fall protection structure according to claim 1, characterized in that: Two electric push rods (10) are rotatably connected to the middle of the top of the turntable frame (16), and the movable ends of the two electric push rods (10) are rotatably connected to the middle of two push rod cross beams (11) respectively. Shock-absorbing feet (18) are fixedly installed at the four corners of the bottom of the turntable frame (16), and guardrails (19) are fixedly installed on both sides of the top of the turntable frame (16). A height sensor (20) is fixedly installed on the surface of the turntable frame (16).

8. The heavy-load transfer platform with an anti-fall protection structure according to claim 4, characterized in that: The four screw lifts (7) each include a casing (72) and a worm wheel. One side of the bottom end of the inner wall of the casing (72) is rotatably connected to the bottom end of the worm wheel. A screw body (73) is installed inside the worm wheel. A worm (71) is installed on the other side of the bottom end of the inner wall of the casing (72). The worm (71) is meshingly connected to the worm wheel. The four third couplings (6) are respectively connected to the ends of the four screw bodies (73) that are opposite to each other.

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