Large-span synchronous movement structure of gantry manipulator

Abstract

The utility model discloses a gantry manipulator large-span synchronous movement structure which comprises portal frames, a cross beam is transversely arranged between the portal frames, moving tables are vertically arranged on the two sides of the cross beam, the other sides of the moving tables are vertically and movably arranged on the side edges of the top ends of the portal frames, and a speed reducer is arranged in the middle of the cross beam. Transmission shafts are transversely arranged on the two sides of the speed reducer, and the other ends of the transmission shafts penetrate through the moving tables and are in driving connection with the moving tables, so that the transmission shafts on the two sides are driven by the speed reducer to rotate, the moving tables on the two sides of the top end of the portal frame are driven to horizontally move at the same time, and the cross beam is driven to transversely move on the portal frame; therefore, the two ends of the cross beam are prevented from being stuck, and the moving and positioning accuracy is not accurate.

Description

Technical Field

[0001] The utility model relates to the field of intelligent manufacturing, in particular to a large-span synchronous motion structure of a gantry manipulator. Background Art

[0002] Generally, when a beam with a large span is translated on the gantry, motors are installed on both sides of the beam to drive it. This makes it very easy for one end to move faster than the other end, and the driving motors on both sides cannot respond and transmit quickly at the same time. This makes it easy for the beam to get stuck and the positioning accuracy of the mechanism to be inaccurate. For this reason, a large-span synchronous motion structure of a gantry manipulator is proposed. Utility Model Content

[0003] The utility model aims to overcome the above-mentioned shortcomings and provide a technical solution that can solve the above-mentioned problems.

[0004] The large-span synchronous motion structure of the gantry manipulator includes a gantry, a crossbeam is horizontally arranged between the gantries, and moving platforms are vertically arranged on both sides of the crossbeam, and the other side of the moving platform is vertically movably arranged at the side of the top of the gantry, a reducer is arranged in the middle position of the crossbeam, and transmission shafts are horizontally arranged on both sides of the reducer, and the other end of the transmission shaft passes through the moving platform and is drivingly connected to the moving platform, and then the transmission shafts on both sides are driven to rotate by the reducer, driving the moving platforms on both sides of the top of the gantry to translate at the same time, thereby driving the crossbeam to move horizontally on the gantry, so that the force on both sides of the crossbeam is uniform and the transmission speed is consistent.

[0005] Preferably, a first moving frame is laterally arranged at the top of the crossbeam, and a second moving frame is vertically arranged on one side of the first moving frame, and a manipulator moving frame is vertically arranged on the side of the second moving frame, a first gear motor is arranged at the top of the first moving frame, and the first gear motor is drivingly connected to the manipulator moving frame, and the first gear motor drives the manipulator moving frame to move up and down on the side of the second moving frame.

[0006] Preferably, a second gear motor is provided on one side of the manipulator moving frame, and the second gear motor is transversely fixed on the second moving frame, and the second gear motor is drivingly connected to the crossbeam.

[0007] Preferably, guide wheels are movably provided at the upper and lower ends of the other side of the second movable frame, and the guide wheels are in contact with the upper and lower ends of the crossbeam respectively.

[0008] Preferably, a first rack is provided between the manipulator moving frame and the first gear motor, and the first rack is vertically located at a side of the manipulator moving frame, and the first rack is meshed with the first gear motor.

[0009] Preferably, a second rack is provided between the second gear motor and the crossbeam, and the second rack is laterally located at a side of the crossbeam, and the second rack is meshed with the second gear motor.

[0010] Compared with the prior art, the beneficial effect of the utility model is that the transmission shafts on both sides are driven to rotate by the reducer, so that the moving platforms on both sides of the top of the gantry are driven to translate at the same time, thereby driving the beam to move horizontally on the gantry, so that the force on both sides of the beam is even and the transmission speed is consistent, avoiding the jamming of the two ends of the beam and inaccurate moving positioning accuracy.

[0011] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a structural schematic diagram of the large-span synchronous motion structure of the gantry manipulator;

[0014] Figure 2 Another structural schematic diagram of the large-span synchronous motion structure of the gantry manipulator;

[0015] Figure 3 is a structural diagram of the beam;

[0016] Figure 4 This is another structural schematic diagram of the beam.

[0017] As shown in the figure: 1. Gantry, 2. Crossbeam, 3. Reducer, 4. First mobile frame, 5. Second mobile frame, 6. Manipulator mobile frame, 7. Transmission shaft, 8. First gear motor, 9. Moving table, 10. Second gear motor, 11. First rack, 12. Second rack, 13. Guide wheel. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 In the embodiment of the utility model, the large-span synchronous motion structure of the gantry manipulator includes a gantry 1, a crossbeam 2 is horizontally arranged between the gantry 1, and moving platforms 9 are vertically arranged on both sides of the crossbeam 2, and the other side of the moving platform 9 is vertically movably arranged at the side of the top of the gantry 1, a reducer 3 is arranged in the middle position of the crossbeam 2, and transmission shafts 7 are horizontally arranged on both sides of the reducer 3, and the other end of the transmission shaft 7 passes through the moving platform 9 and is drivingly connected with the moving platform 9, and then the transmission shafts 7 on both sides are driven by the reducer 3 to rotate, driving the moving platforms 9 on both sides of the top of the gantry 1 to translate at the same time, thereby driving the crossbeam 2 to move horizontally on the gantry 1, so that the force on both sides of the crossbeam 2 is uniform and the transmission speed is consistent, thereby avoiding the jamming of the two ends of the crossbeam 2 and the inaccurate movement and positioning accuracy.

[0020] A first moving frame 4 is laterally arranged at the top of the crossbeam 2, and a second moving frame 5 is vertically arranged on one side of the first moving frame 4, and a manipulator moving frame 6 is vertically arranged on the side of the second moving frame 5, a first gear motor 8 is arranged at the top of the first moving frame 4, and the first gear motor 8 is drivingly connected to the manipulator moving frame 6, and the first gear motor 8 drives the manipulator moving frame 6 to move up and down on the side of the second moving frame 5.

[0021] A second gear motor 10 is provided on one side of the manipulator moving frame 6, and the second gear motor 10 is laterally fixed on the second moving frame 5, and the second gear motor 10 is drivingly connected to the beam 2, and then the second gear motor 10 drives the second moving frame 5 and the first moving frame 4 to translate on the beam 2.

[0022] Guide wheels 13 are movably provided at the upper and lower ends of the other side of the second movable frame 5, and the guide wheels 13 are respectively in contact with the upper and lower ends of the beam 2, so that when the second gear motor 10 is driven and connected to the beam 2, the second movable frame 5 and the first movable frame 4 are driven to move on the beam 2 through the guide wheels 13.

[0023] A first rack 11 is arranged between the manipulator moving frame 6 and the first gear motor 8, and the first rack 11 is vertically located at the side of the manipulator moving frame 6, and the first rack 11 is meshed with the first gear motor 8, so that the manipulator moving frame 6 is driven to move up and down on the side of the beam 2 through the cooperation between the first gear motor 8 and the first rack 11.

[0024] A second rack 12 is arranged between the second gear motor 10 and the beam 2, and the second rack 12 is laterally located at the side of the beam 2, and the second rack 12 is meshed with the second gear motor 10, so that the second movable frame 5 and the first movable frame 4 are driven to move on the beam 2 through the cooperation between the second gear motor 10 and the second rack 12.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. The gantry manipulator has a large span synchronous motion structure, including a gantry frame, characterized in that: A crossbeam is horizontally arranged between the gantries, and moving platforms are vertically arranged on both sides of the crossbeam, and the other side of the moving platform is vertically movably arranged at the side of the top of the gantry, a reducer is arranged in the middle position of the crossbeam, and transmission shafts are horizontally arranged on both sides of the reducer, and the other end of the transmission shaft passes through the moving platform and is drivingly connected to the moving platform, and then the transmission shafts on both sides are driven to rotate by the reducer, driving the moving platforms on both sides of the top of the gantry to translate at the same time, thereby driving the crossbeam to move horizontally on the gantry, so that the force on both sides of the crossbeam is uniform and the transmission speed is consistent.

2. The large-span synchronous motion structure of the gantry manipulator according to claim 1 is characterized in that: A first moving frame is laterally arranged at the top of the crossbeam, and a second moving frame is vertically arranged on one side of the first moving frame, and a manipulator moving frame is vertically arranged on the side of the second moving frame, a first gear motor is arranged at the top of the first moving frame, and the first gear motor is drivingly connected to the manipulator moving frame, and the first gear motor drives the manipulator moving frame to move up and down on the side of the second moving frame.

3. The large-span synchronous motion structure of the gantry manipulator according to claim 2 is characterized in that: A second gear motor is arranged on one side of the manipulator moving frame, and the second gear motor is transversely fixed on the second moving frame, and the second gear motor is drivingly connected to the crossbeam.

4. The large-span synchronous motion structure of the gantry manipulator according to claim 2 is characterized in that: Guide wheels are movably arranged at the upper and lower ends of the other side of the second moving frame, and the guide wheels are in contact with the upper and lower ends of the crossbeam respectively.

5. The large-span synchronous motion structure of the gantry manipulator according to claim 2 is characterized in that: A first rack is arranged between the manipulator moving frame and the first gear motor, and the first rack is vertically located at the side of the manipulator moving frame, and the first rack is meshed with the first gear motor.

6. The large-span synchronous motion structure of the gantry manipulator according to claim 3 is characterized in that: A second rack is arranged between the second gear motor and the cross beam, and the second rack is laterally located at the side of the cross beam, and the second rack is meshed with the second gear motor.

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