Mechanical arm rotating support with high stability

Abstract

The utility model relates to the technical field of mechanical arms, in particular to a mechanical arm rotating support with high stability, which comprises a base, a rotating component, a lifting component and a clamping component, an extension plate is fixedly arranged on one side of the base, a fixing block is fixedly arranged at the upper end of the base, and the rotating component comprises a first motor. The first transmission gear and the second transmission gear are driven by the output end of the first motor to rotate so that the top plate can rotate, and the second bevel gear is driven to rotate through meshing of the first bevel gear. The two second threaded rods are driven to rotate through a rotating block, so that the two clamping blocks move between the two pairs of positioning blocks correspondingly, the position of the mechanical arm is clamped and fixed, and the mechanical arm is conveniently adjusted according to the requirement. And the situation that the mechanical arm is unstable in position and prone to falling off is prevented, and workers are prevented from being injured by crashing.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical arms, in particular to a mechanical arm rotating bracket with high stability. Background Art

[0002] Robotic arms are the most widely used automated mechanical devices in the field of robotics technology. They can be seen in industrial manufacturing, medical treatment, entertainment services, military, semiconductor manufacturing, and space exploration.

[0003] In the prior art, a bracket for a robotic arm, such as that proposed in patent application number "CN200720058283.0", includes a support rod, a support, a balance rod, a weight support and an arm support wire. The rear part of the support is plugged into the support rod, and the balance rod passes through the front part of the support. One end of the balance rod is provided with a weight support, and the other end is provided with an arm support wire.

[0004] However, in the above patents, the height and angle of the robotic arm bracket are generally not adjustable, which makes it inconvenient to adjust the height and angle of the robotic arm according to needs. When the robotic arm is placed on the bracket, the position of the robotic arm is unstable and it is easy to fall and injure the staff when using the robotic arm. Utility Model Content

[0005] The purpose of the present invention is to provide a mechanical arm rotating bracket with high stability to solve the problems raised in the above background technology.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A highly stable robotic arm rotating bracket comprises a base, a rotating assembly, a lifting assembly and a clamping assembly, wherein an extension plate is fixedly provided on one side of the base, a fixed block is fixedly provided on the upper end of the base, the rotating assembly comprises a first motor, the first motor is fixedly provided on the upper surface of the extension plate, a first transmission gear is fixedly provided on the output end of the first motor, a second transmission gear is meshed with one side of the first transmission gear, and the second transmission gear is rotatably provided on the outer surface of the fixed block.

[0008] Two fixed rods are fixedly provided on the upper surface of the second transmission gear, and lifting rods are slidably provided inside the two fixed rods. A top plate is fixedly provided on the upper ends of the two lifting rods. The lifting assembly includes a second motor, and the second motor is fixedly provided on the other side of the base. A rotating shaft is fixedly provided at the output end of the second motor, and a first bevel gear is fixedly provided at one end of the rotating shaft. The first bevel gear is provided on the inner side of the base.

[0009] Preferably, the outer surface of the first bevel gear is meshed with a second bevel gear, the upper surface of the second bevel gear is fixed with a first threaded rod, the first threaded rod is rotatably set inside the fixed block, the outer surface of the first threaded rod is threaded with a push rod, and the push rod is set above the fixed block.

[0010] Preferably, two control rods are fixedly provided on the upper surface of the fixed block, the two control rods are symmetrical, a connecting block is fixedly provided on the upper ends of the two control rods, the push rod is slidably provided inside the connecting block, and the upper end of the push rod is rotatably provided on the lower surface of the top plate.

[0011] Preferably, the clamping assembly includes positioning blocks, two pairs of positioning blocks are fixedly arranged on the upper surface of the top plate, and a clamping block is slidably arranged between each pair of positioning blocks.

[0012] Preferably, a limiting groove is provided on one side of the two pairs of positioning blocks, and a limiting block is fixedly provided at both ends of the two clamping blocks. The two pairs of limiting blocks are respectively slidably provided inside the two pairs of limiting grooves, and two arc blocks are fixedly provided on the upper surface of the top plate, and the two arc blocks are respectively provided between the two pairs of positioning blocks.

[0013] Preferably, the interiors of the two arc-shaped blocks are both threaded with second threaded rods, one end of the two second threaded rods is rotatably arranged on one side of the two clamping blocks respectively, and the other ends of the two second threaded rods are fixedly provided with rotating blocks.

[0014] Beneficial effects of the utility model:

[0015] According to the utility model, since the rotating assembly includes a first motor and a first transmission gear, and since the lifting assembly includes a second motor and a rotating shaft, the first transmission gear and the second transmission gear are driven to rotate by the output end of the first motor, so that the fixed rod drives the top plate to rotate, and the second bevel gear is driven to rotate by the engagement of the first bevel gear, so that the push rod moves up and down along the second threaded rod, and the top plate is pushed up and down by the push rod, so that the height and angle of the robotic arm can be adjusted according to needs. Since the clamping assembly includes a positioning block and a clamping block, etc., the two second threaded rods are driven to rotate by the rotating block, so that the two clamping blocks move respectively between the two pairs of positioning blocks, and the robotic arm is clamped and fixed to the upper surface of the top plate by the two clamping blocks, so as to prevent the robotic arm from being unstable and easy to fall, and to prevent injuries to staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, it is possible for a person skilled in the art to derive other drawings based on these drawings without inventive effort.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the base and extension plate structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the fixed rod and the lifting rod of the utility model;

[0020] Figure 4 This is a schematic structural diagram of the first bevel gear and the second bevel gear of the utility model;

[0021] Figure 5 It is a schematic diagram of the positioning block and clamping block structure of the utility model.

[0022] The reference numerals in the figures are as follows:

[0023] 1. Base; 2. Extension plate; 3. Fixed block; 4. First motor; 5. First transmission gear; 6. Second transmission gear; 7. Fixed rod; 8. Lifting rod; 9. Top plate; 10. Second motor; 11. Rotating shaft; 12. First bevel gear; 13. Second bevel gear; 14. First threaded rod; 15. Push rod; 16. Control rod; 17. Connecting block; 18. Positioning block; 19. Clamping block; 20. Limiting groove; 21. Limiting block; 22. Arc block; 23. Second threaded rod; 24. Rotating block. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] A highly stable robotic arm rotating bracket comprises a base 1, a rotating assembly, a lifting assembly and a clamping assembly. An extension plate 2 is fixedly provided on one side of the base 1, a fixed block 3 is fixedly provided on the upper end of the base 1, and the rotating assembly comprises a first motor 4, the first motor 4 is fixedly provided on the upper surface of the extension plate 2, a first transmission gear 5 is fixedly provided on the output end of the first motor 4, a second transmission gear 6 is meshed with one side of the first transmission gear 5, and the second transmission gear 6 is rotatably provided on the outer surface of the fixed block 3.

[0026] Two fixed rods 7 are fixedly provided on the upper surface of the second transmission gear 6, and lifting rods 8 are slidably provided inside the two fixed rods 7. A top plate 9 is fixedly provided on the upper ends of the two lifting rods 8. The lifting assembly includes a second motor 10, and the second motor 10 is fixedly provided on the other side of the base 1. A rotating shaft 11 is fixedly provided at the output end of the second motor 10, and a first bevel gear 12 is fixedly provided at one end of the rotating shaft 11. The first bevel gear 12 is provided on the inner side of the base 1.

[0027] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The first transmission gear 5 and the second transmission gear 6 are driven to rotate by the output end of the first motor 4, the top plate 9 is driven to rotate by the two fixing rods 7, and the rotating shaft 11 is driven to rotate by the output end of the second motor 10, so that the first bevel gear 12 rotates on the inner side of the base 1.

[0028] The outer surface of the first bevel gear 12 is meshed with the second bevel gear 13, and the upper surface of the second bevel gear 13 is fixedly provided with a first threaded rod 14, which is rotatably provided inside the fixed block 3, and the outer surface of the first threaded rod 14 is threadedly provided with a push rod 15, which is provided above the fixed block 3.

[0029] like Figure 2 and Figure 4 The first bevel gear 12 is engaged to drive the second bevel gear 13 to rotate, and the second bevel gear 13 drives the first threaded rod 14 to rotate inside the fixed block 3. When the first threaded rod 14 rotates, the push rod 15 moves up and down along the first threaded rod 14.

[0030] Two control rods 16 are fixedly provided on the upper surface of the fixed block 3. The two control rods 16 are symmetrical. A connecting block 17 is fixedly provided on the upper ends of the two control rods 16. The push rod 15 is slidably provided inside the connecting block 17. The upper end of the push rod 15 is rotatably provided on the lower surface of the top plate 9.

[0031] like Figure 2 、 Figure 3 and Figure 4 The connecting block 17 is fixed above the fixed block 3 through two control rods 16, and the push rod 15 moves up and down inside the connecting block 17, so that the top plate 9 moves up and down.

[0032] The clamping assembly includes positioning blocks 18 . Two pairs of positioning blocks 18 are fixedly arranged on the upper surface of the top plate 9 , and a clamping block 19 is slidably arranged between each pair of positioning blocks 18 .

[0033] like Figure 3 and Figure 5, fix two pairs of positioning blocks 18 on the upper surface of the top plate 9 , and set two clamping blocks 19 between the two pairs of positioning blocks 18 respectively.

[0034] A limiting groove 20 is provided on one side of the two pairs of positioning blocks 18, and a limiting block 21 is fixedly provided at both ends of the two clamping blocks 19. The two pairs of limiting blocks 21 are respectively slidably provided inside the two pairs of limiting grooves 20. Two arc blocks 22 are fixedly provided on the upper surface of the top plate 9, and the two arc blocks 22 are respectively provided between the two pairs of positioning blocks 18.

[0035] like Figure 3 and Figure 5 The two arc blocks 22 are respectively set between the two pairs of positioning blocks 18. When the two clamping blocks 19 slide, the two pairs of limit blocks 21 respectively slide inside the two pairs of limit grooves 20 to control the positions of the two clamping blocks 19.

[0036] The interior of the two arc blocks 22 is threaded with a second threaded rod 23 , one end of the two second threaded rods 23 is rotatably set on one side of the two clamping blocks 19 , and the other end of the two second threaded rods 23 is fixed with a rotating block 24 .

[0037] like Figure 3 and Figure 5 The two second threaded rods 23 are rotated by rotating the rotating block 24 , and the two clamping blocks 19 are pushed to move on the upper surface of the top plate 9 through the cooperation between the second threaded rods 23 and the arc block 22 .

[0038] The working principle of the highly stable mechanical arm rotating bracket provided by the utility model is as follows:

[0039] The robotic arm is placed between the two clamping blocks 19, and the two second threaded rods 23 are driven to rotate by the rotating block 24, so that the two clamping blocks 19 move between the two pairs of positioning blocks 18 respectively, and the robotic arm is clamped and fixed on the upper surface of the top plate 9 by the two clamping blocks 19, and the first transmission gear 5 and the second transmission gear 6 are driven to rotate by the output end of the first motor 4, so that the fixed rod 7 drives the top plate 9 to rotate, and the rotating shaft 11 is driven to rotate by the output end of the second motor 10, so that the first bevel gear 12 engages and drives the second bevel gear 13 to rotate, so that the second threaded rod 23 rotates inside the fixed block 3, and when the second threaded rod 23 rotates, the push rod 15 moves up and down inside the connecting block 17, and the top plate 9 is driven up and down by the push rod 15, so that the two lifting rods 8 move up and down inside the two fixed rods 7 respectively, and the position of the top plate 9 is controlled by the cooperation of the two lifting rods 8 and the push rod 15.

[0040] Compared with the related art, the high-stability mechanical arm rotating bracket provided by the present invention has the following beneficial effects:

[0041] In the present invention, since the rotating assembly includes a first motor 4 and a first transmission gear 5, etc., and the lifting assembly includes a second motor 10 and a rotating shaft 11, etc., the output end of the first motor 4 drives the first transmission gear 5 and the second transmission gear 6 to rotate, so that the fixed rod 7 drives the top plate 9 to rotate, and the second bevel gear 13 is driven to rotate by the engagement of the first bevel gear 12, so that the push rod 15 moves up and down along the second threaded rod 23, and the push rod 15 pushes the top plate 9 to move up and down, so that the height and angle of the robot arm can be adjusted according to needs;

[0042] Since the clamping assembly includes a positioning block 18 and a clamping block 19, etc., the two second threaded rods 23 are driven to rotate by the rotating block 24, so that the two clamping blocks 19 move between the two pairs of positioning blocks 18 respectively, and the robotic arm is clamped and fixed on the upper surface of the top plate 9 by the two clamping blocks 19 to prevent the robotic arm from being unstable and easily falling, thereby preventing the staff from being injured.

[0043] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A high-stability robotic arm rotating bracket, comprising a base (1), a rotating assembly, a lifting assembly and a clamping assembly, characterized in that: An extension plate (2) is fixedly provided on one side of the base (1), a fixed block (3) is fixedly provided on the upper end of the base (1), and a rotating assembly comprises a first motor (4), the first motor (4) is fixedly provided on the upper surface of the extension plate (2), a first transmission gear (5) is fixedly provided on the output end of the first motor (4), a second transmission gear (6) is meshed with one side of the first transmission gear (5), and the second transmission gear (6) is rotatably provided on the outer surface of the fixed block (3); Two fixed rods (7) are fixedly provided on the upper surface of the second transmission gear (6), and lifting rods (8) are slidably provided inside the two fixed rods (7). Top plates (9) are fixedly provided at the upper ends of the two lifting rods (8). The lifting assembly includes a second motor (10), which is fixedly provided on the other side of the base (1). A rotating shaft (11) is fixedly provided at the output end of the second motor (10), and a first bevel gear (12) is fixedly provided at one end of the rotating shaft (11). The first bevel gear (12) is provided on the inner side of the base (1).

2. The high-stability robotic arm rotating bracket according to claim 1, characterized in that: The outer surface of the first bevel gear (12) is meshed with a second bevel gear (13), the upper surface of the second bevel gear (13) is fixedly provided with a first threaded rod (14), the first threaded rod (14) is rotatably provided inside the fixed block (3), the outer surface of the first threaded rod (14) is threadedly provided with a push rod (15), and the push rod (15) is provided above the fixed block (3).

3. The high-stability robotic arm rotating bracket according to claim 2, characterized in that: Two control rods (16) are fixedly provided on the upper surface of the fixed block (3), and the two control rods (16) are symmetrical. A connecting block (17) is fixedly provided on the upper ends of the two control rods (16). The push rod (15) is slidably provided inside the connecting block (17), and the upper end of the push rod (15) is rotatably provided on the lower surface of the top plate (9).

4. The high-stability robotic arm rotating bracket according to claim 1, characterized in that: The clamping assembly comprises positioning blocks (18), two pairs of positioning blocks (18) are fixedly arranged on the upper surface of the top plate (9), and a clamping block (19) is slidably arranged between each pair of positioning blocks (18).

5. The high-stability robotic arm rotating bracket according to claim 4, characterized in that: A limiting groove (20) is provided on one side of the two pairs of positioning blocks (18), and limiting blocks (21) are fixedly provided at both ends of the two clamping blocks (19). The two pairs of limiting blocks (21) are respectively slidably provided inside the two pairs of limiting grooves (20). Two arc blocks (22) are fixedly provided on the upper surface of the top plate (9), and the two arc blocks (22) are respectively provided between the two pairs of positioning blocks (18).

6. The high-stability robotic arm rotating bracket according to claim 5, characterized in that: The interiors of the two arc-shaped blocks (22) are both threadedly provided with second threaded rods (23), one end of the two second threaded rods (23) is respectively rotatably provided on one side of the two clamping blocks (19), and the other ends of the two second threaded rods (23) are both fixedly provided with rotating blocks (24).

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