Supporting teaching mechanical arm

Abstract

The utility model discloses a teaching mechanical arm which comprises a base and an upper box body, the upper box body is fixed on the base, a mounting base is arranged below the base, an equipment box is arranged on one side of the base, guide rails are symmetrically arranged on the two sides of the front face of the upper box body, supporting plates are symmetrically arranged on the front face of the upper box body and located in the middles of the guide rails, and a lead screw is rotationally arranged between the supporting plates. A driving mechanism for driving the lead screw to rotate is arranged in the upper box body, a lifting plate is arranged in front of the upper box body in a sliding mode, a teaching supporting mechanism capable of being adjusted in a multi-stage mode is arranged on the lifting plate, and the rear side of the lifting plate is in threaded connection with the lead screw. Therefore, the stability in the using process is improved, and the adjustment response of the plane is quicker.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical arms, in particular to a teaching mechanical arm. Background Art

[0002] The support robot arm is an important application of industrial robot arms in the field of stamping and handling. It is mainly used to support and move workpieces during the stamping process to improve the degree of automation and efficiency of stamping. The support robot arm is generally a robotic device with multiple degrees of freedom. The device can simulate the movements of human hands and assist in supporting and moving workpieces during the stamping process.

[0003] The present invention is a stamping and handling type teaching robot arm. On the one hand, the existing robot arms used for stamping use more precision parts and have a complex structure, resulting in a relatively high failure rate, which may affect production efficiency and product quality. On the other hand, most of the current robot arms fix the workpiece by grasping, and multiple cylindrical arm sections are used in combination, and the lateral and longitudinal movement feedback efficiency is low. Each processing requires complex programming and adjustment, which is more troublesome to use and requires a high degree of professionalism. Utility Model Content

[0004] The utility model is designed to solve the problem that the above-mentioned robotic arm uses many precision parts and has a complex structure, resulting in a relatively high failure rate, which may affect production efficiency and product quality, and each processing requires complex programming and adjustment, which is troublesome to use and requires high professionalism.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a teaching robot arm comprises a base and an upper box body, wherein the upper box body is fixed on the base, a mounting seat is provided under the base, an equipment box is provided on one side of the base, guide rails are symmetrically provided on both sides of the front of the upper box body, support plates are symmetrically provided in the front of the upper box body and located in the middle of the guide rails, screw rods are rotatably provided between the support plates, a driving mechanism for driving the screw rod to rotate is provided in the upper box body, a lifting plate is slidably provided in the front of the upper box body, a teaching mechanism capable of multi-stage adjustment is provided on the lifting plate, and the rear side of the lifting plate is threadedly connected to the screw rod;

[0006] The screw rod adjusts the Y-axis height of the lifting plate through a driving mechanism, and the teaching mechanism teaches the workpiece to be stamped. The teaching mechanism has multi-degree-of-freedom adjustment in the planar direction.

[0007] Furthermore, a sliding block that is symmetrically engaged with the guide rail is provided on the rear side of the lifting plate, and the sliding block is slidably connected to the guide rail.

[0008] Furthermore, the driving mechanism includes a mounting plate located in the upper box body, a first motor is provided on the mounting plate, an output shaft of the first motor is connected to a driving pulley via a rotating shaft, the screw rod extends to a driven pulley provided under the support plate, and the driving pulley and the driven pulley are connected via a transmission belt.

[0009] Furthermore, telescopic protective covers are provided in front of the upper box body and on the upper and lower sides of the lifting plate. Both sides of the telescopic protective cover are respectively slidably connected to adjacent guide rails, and the telescopic protective cover is fixedly connected to the lifting plate.

[0010] Furthermore, the teaching and learning mechanism comprises two rotating arms, a supporting arm, and a plurality of second motors, the output shaft of the second motor is connected to a rotating shaft, a connecting plate is provided under the rotating shaft, a transverse plate is provided in front of the lifting plate, the connecting plate is fixedly connected to one side of the rotating arm, the second motor is fixed to the other side of the rotating arm and the rotating shaft passes through the rotating arm, the rotating shaft is rotatably connected to the rotating arm, and one end of the transverse plate is fixed under the connecting plate at the front end;

[0011] The rotating arm is fixedly connected to the connecting plate through a plurality of bolts, the second motor is fixedly connected to the rotating arm or the upper surface of the supporting arm through a plurality of bolts, and the workpiece is fixed on the front end of the supporting arm.

[0012] Furthermore, reinforcement plates are provided on both sides of the transverse plate, a cover body is sleeved on the transverse plate, and the cover body is fixedly connected to the lifting plate.

[0013] Furthermore, a plurality of slots are provided in the base, and counterweight blocks are inserted into the slots.

[0014] The advantages of the utility model are: the driving mechanism adjusts the height of the lifting plate in the Y-axis direction, and the height of the workpiece is quickly lifted by the lifting plate, which saves time and effort; the support mechanism supports the workpiece to be stamped, and the support mechanism has multiple degrees of freedom adjustment in the plane direction. The overall function is comprehensive but the structure is simple, which improves the stability of the use process of the utility model;

[0015] The workpiece on the support arm can undergo coordinate transformation at any point on the plane at the same time, quickly locate, and adjust the plane more quickly, so that complex three-dimensional programming becomes two-dimensional coordinate transformation, so that the workpiece can be stamped or moved quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an explosion schematic diagram of the utility model.

[0017] Figure 2 It is a rear view of the utility model.

[0018] Figure 3 It is a schematic diagram of the local structure of the upper box body of the utility model.

[0019] Figure 4 It is a structural schematic diagram of the utility model.

[0020] As shown in the figure: 1. Base; 2. Upper box body; 3. Mounting seat; 4. Equipment box; 5. Guide rail; 6. Support plate; 7. Screw rod; 8. Lifting plate; 9. Slider; 10. Mounting plate; 11. First motor; 12. Driving pulley; 13. Driven pulley; 14. Transmission belt; 15. Telescopic protective cover; 16. Rotating arm; 17. Support arm; 18. Second motor; 19. Rotating shaft; 20. Connecting plate; 21. Horizontal plate; 22. Reinforcement plate; 23. Cover body; 24. Slot; 25. Counterweight. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0022] Combined with Figure 1 to Figure 4 , a teaching robot arm comprises a base 1 and an upper box body 2. The base 1 is provided with a plurality of slots 24, in which counterweights 25 are inserted. The inserted counterweights 25 can greatly improve the stability of the base 1. The upper box body 2 is fixed on the base 1, and a mounting seat 3 is provided under the base 1. An equipment box 4 is provided on one side of the base 1. Guide rails 5 are symmetrically provided on both sides of the front of the upper box body 2. Support plates 6 are symmetrically provided in front of the upper box body 2 and located in the middle of the guide rails 5. Screw rods 7 are rotatably provided between the support plates 6. A driving mechanism for driving the screw rod 7 to rotate is provided in the upper box body 2. A lifting plate 8 is slidably provided in front of the upper box body 2. A teaching mechanism capable of multi-stage adjustment is provided on the lifting plate 8. The rear side of the lifting plate 8 is threadedly connected to the screw rod 7.

[0023] The screw rod 7 adjusts the Y-axis height of the lifting plate 8 through the driving mechanism, and the height of the workpiece is quickly lifted through the lifting plate 8, which saves time and effort. The teaching mechanism teaches the workpiece to be stamped, and the teaching mechanism has multi-degree-of-freedom adjustment in the plane direction. The overall function is comprehensive but the structure is simple, which improves the stability of the use process of the utility model.

[0024] A sliding block 9 engaged with the guide rail 5 is symmetrically disposed on the rear side of the lifting plate 8 , and the sliding block 9 is slidably connected to the guide rail 5 .

[0025] The driving mechanism includes a mounting plate 10 located in the upper box body 2, and a first motor 11 is provided on the mounting plate 10. The output shaft of the first motor 11 is connected to a driving pulley 12 through a rotating shaft 19. The screw rod 7 extends to the bottom of the support plate 6 and is provided with a driven pulley 13. The driving pulley 12 and the driven pulley 13 are connected by a transmission belt 14.

[0026] A telescopic protective cover 15 is provided in front of the upper box body 2 and on the upper and lower sides of the lifting plate 8. Both sides of the telescopic protective cover 15 are slidably connected to the adjacent guide rails 5 respectively, and the telescopic protective cover 15 is fixedly connected to the lifting plate 8.

[0027] The teaching and care mechanism includes two rotating arms 16, a supporting arm 17, and several second motors 18. The output shaft of the second motor 18 is connected to a rotating shaft 19. A connecting plate 20 is provided under the rotating shaft 19. A transverse plate 21 is provided in front of the lifting plate 8. The connecting plate 20 is fixedly connected to one side of the rotating arm 16. The second motor 18 is fixed to the other side of the rotating arm 16 and the rotating shaft 19 passes through the rotating arm 16. The rotating shaft 19 is rotatably connected to the rotating arm 16. One end of the transverse plate 21 is fixed under the connecting plate 20 at the front end. Reinforcing plates 22 are provided on both sides of the transverse plate 21. A cover body 23 is sleeved on the transverse plate 21, and the cover body 23 is fixedly connected to the lifting plate 8.

[0028] The rotating arm 16 is fixedly connected to the connecting plate 20 by a plurality of bolts, the second motor 18 is fixedly connected to the rotating arm 16 or the upper surface of the supporting arm 17 by a plurality of bolts, and the workpiece is fixed on the upper surface of the front end of the supporting arm 17;

[0029] It should be noted that the second motor 18 independently adjusts the angle of a rotating arm 16 or a supporting arm 17 on the plane, so that the workpiece on the supporting arm 17 can perform coordinate transformation at any point on the plane at the same time. The adjustment response of the plane is faster, which transforms complex three-dimensional programming into two-dimensional coordinate transformation.

[0030] During the specific implementation of the utility model, a workpiece to be processed is placed on a processing table, the first motor is started to drive the active pulley to rotate, the driven pulley and the screw are driven to rotate by the transmission belt, the lifting plate rises along the guide rail under the limit condition of the slider, and multiple second motors are started at the same time. The angles of the rotating arm relative to the upper box body, between the rotating arms and the rotating arms, and between the rotating arms and the supporting arms change, thereby adjusting the positioning coordinates of the workpiece on the plane.

[0031] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A teaching robot arm, comprising a base (1) and an upper box (2), characterized in that: The upper box body (2) is fixed on the base (1), a mounting seat (3) is provided below the base (1), an equipment box (4) is provided on one side of the base (1), guide rails (5) are symmetrically provided on both sides of the front of the upper box body (2), support plates (6) are symmetrically provided in the front of the upper box body (2) and located in the middle of the guide rails (5), screw rods (7) are rotatably provided between the support plates (6), a driving mechanism for driving the screw rod (7) to rotate is provided in the upper box body (2), a lifting plate (8) is slidably provided in the front of the upper box body (2), a teaching and support mechanism capable of multi-stage adjustment is provided on the lifting plate (8), and the rear side of the lifting plate (8) is threadedly connected to the screw rod (7).

2. The teaching robot arm according to claim 1, characterized in that: A sliding block (9) which is clamped with the guide rail (5) is symmetrically arranged on the rear side of the lifting plate (8), and the sliding block (9) is slidably connected with the guide rail (5).

3. The teaching robot arm according to claim 1, characterized in that: The driving mechanism comprises a mounting plate (10) located in the upper box body (2), a first motor (11) is arranged on the mounting plate (10), an output shaft of the first motor (11) is connected to a driving pulley (12) via a rotating shaft (19), the screw rod (7) extends to the bottom of the support plate (6) and is provided with a driven pulley (13), and the driving pulley (12) and the driven pulley (13) are connected via a transmission belt (14).

4. The teaching robot arm according to claim 1, characterized in that: A telescopic protective cover (15) is provided in front of the upper box body (2) and located on the upper and lower sides of the lifting plate (8). Both sides of the telescopic protective cover (15) are slidably connected to adjacent guide rails (5) respectively, and the telescopic protective cover (15) is fixedly connected to the lifting plate (8).

5. The teaching robot arm according to claim 1, characterized in that: The teaching and care mechanism comprises two rotating arms (16), a supporting arm (17), and a plurality of second motors (18); the output shaft of the second motor (18) is connected to a rotating shaft (19); a connecting plate (20) is provided below the rotating shaft (19); a transverse plate (21) is provided in front of the lifting plate (8); the connecting plate (20) is fixedly connected to one side of the rotating arm (16); the second motor (18) is fixed to the other side of the rotating arm (16) and the rotating shaft (19) passes through the rotating arm (16); the rotating shaft (19) is rotatably connected to the rotating arm (16); and one end of the transverse plate (21) is fixed below the connecting plate (20) at the front end.

6. The teaching robot arm according to claim 5, characterized in that: Reinforcement plates (22) are provided on both sides of the transverse plate (21), a cover body (23) is sleeved on the transverse plate (21), and the cover body (23) is fixedly connected to the lifting plate (8).

7. The teaching robot arm according to claim 1, characterized in that: The base (1) is provided with a plurality of slots (24), and counterweight blocks (25) are inserted into the slots (24).

Images