Bolt simulation assembling and tightening mechanical arm

Abstract

The utility model discloses a bolt simulation assembling and tightening mechanical arm which comprises a fixed stand column assembly and a tightening gun assembly, a large arm rotating assembly is installed on one side of the top of the fixed stand column assembly, one end of the large arm rotating assembly is connected with a middle arm rotating assembly, and brake assemblies are arranged on the large arm rotating assembly and the middle arm rotating assembly. An air cylinder assembly is arranged on one side of the bottom of the middle arm rotating assembly. According to the utility model, the cylinder is adopted to control the force arm to move up and down, a brake system is arranged, the suspension of the force arm can be realized at any angle and at any height, and the tightening gun head group adopts a starting clutch and a rotatable and positionable brake, so that the multi-angle and multifunctional tightening required during bolt simulation assembly is facilitated, the semi-automatic operation is realized, and the production efficiency is improved. An operator can operate the mechanical arm in a convenient and labor-saving manner, reliable and accurate data are provided for bolt simulation assembling and tightening, and the device has the advantages of being accurate in operation, labor-saving in operation and wide in operation range.

Description

Technical Field

[0001] The utility model relates to the technical field of application of a bolt simulation assembly and tightening mechanical arm, in particular to a bolt simulation assembly and tightening mechanical arm. Background Art

[0002] In the bolt simulation assembly test, a tightening robot arm is required for tightening. Tightening with a torque wrench is difficult to achieve precision and laborious, which is extremely inconvenient. In the bolt simulation assembly process, it is necessary to achieve easy, multi-axis, multi-directional and multi-angle tightening assembly. For this purpose, a bolt simulation assembly tightening robot arm device is required. Utility Model Content

[0003] (1) Technical problems solved

[0004] In response to the deficiencies in the prior art, the present invention provides a bolt simulation assembly and tightening robotic arm, which has the advantages of precise operation, labor-saving operation, and a wide operating range, thereby solving the problems in the above-mentioned background technology.

[0005] (2) Technical solution

[0006] In order to achieve the advantages of precise operation, labor-saving operation and wide operating range, the specific technical solutions adopted by the utility model are as follows:

[0007] A bolt simulation assembly tightening robot arm includes a fixed column assembly and a tightening gun assembly, wherein a large arm rotating assembly is installed at one side of the top of the fixed column assembly, one end of the large arm rotating assembly is connected to the middle arm rotating assembly, and a brake assembly is provided on both the large arm rotating assembly and the middle arm rotating assembly, and a cylinder assembly is provided at one side of the bottom of the middle arm rotating assembly, one end of the middle arm rotating assembly is connected to the small arm rotating assembly, the bottom of the small arm rotating assembly is connected to the gun rotating assembly, and a tightening gun assembly is installed at one end of the gun rotating assembly.

[0008] Furthermore, the fixed column assembly is composed of a column base plate, column reinforcement ribs, a square tube and a column covering plate. A square tube is welded at the middle position of the top of the column base plate, a column covering plate is welded at the top position of the square tube, and several groups of column reinforcement ribs are welded around the bottom of the square tube and the column base plate.

[0009] Furthermore, the upper arm rotating assembly is composed of a brake bracket, a first support plate, a front axle tube, a first brake disc, a first pneumatic disc brake and a middle arm tube. The brake bracket is fixed to the surface of the square tube by bolts. The first support plates are symmetrically welded at both ends of the surface of one side of the brake bracket. The front axle tube is rotatably connected with the position between the first support plates through a bearing. One end of the front axle tube passes through one side of the first support plate and is connected to the first brake disc. The first brake disc is connected to the braking end of the first pneumatic disc brake. The first pneumatic disc brake is installed on the surface of the middle arm tube, and the middle arm tube is welded to the surface of the front axle tube.

[0010] Furthermore, the middle arm rotating assembly is composed of a second brake disc, a second pneumatic disc brake, a rear axle tube, a second support plate, and a secondary arm tube. The second support plate is symmetrically welded to the surface position of one end of the middle arm tube, and the position between the second support plates is rotatably connected to the rear axle tube through a bearing. One end of the rear axle tube passes through one side of the second support plate and is connected to the second brake disc. The second brake disc is connected to the braking end of the second pneumatic disc brake. The second pneumatic disc brake is installed on the surface position of the other end of the middle arm tube. The surface position of the rear axle tube is rotatably connected to a joint plate, the top side of the joint plate is rotatably connected to the secondary arm tube, the bottom position of the joint plate is rotatably connected to the cylinder, and a rib plate is welded on one side of the bottom of the secondary arm tube away from the cylinder, and the output end of the cylinder is rotatably connected to the rib plate.

[0011] Furthermore, a joint support plate is installed at one end of the secondary arm tube, a joint shaft is installed on the joint support plate, a small arm shaft tube is installed inside the joint shaft, and one end of the small arm shaft tube passes through one side of the joint shaft and is connected to the first clutch.

[0012] Furthermore, a swivel shaft tube is connected to the bottom of the forearm shaft tube, a second clutch is installed at one end of the swivel shaft tube, and a handle connecting plate is installed at the other end of the swivel shaft tube.

[0013] Furthermore, a tightening gun is installed on the surface of the handle connecting plate.

[0014] Furthermore, threaded holes for bolt fastening are provided on the surface of the square tube and the surface of the brake bracket.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the present invention provides a bolt simulation assembly and tightening robot arm, which has the following beneficial effects:

[0017] The utility model adopts a cylinder to control the up and down of the force arm, and is equipped with a brake system, which can realize the suspension of the force arm at any angle and any height. The tightening gun head group adopts a starting clutch and a rotatable and positionable brake, which is helpful for the multi-angle and multi-functional tightening required for the simulated assembly of bolts, and realizes semi-automatic operation, so that the operator can operate the mechanical arm conveniently and labor-savingly, and provide reliable and accurate data for the simulated assembly and tightening of bolts. It has the advantages of precise operation, labor-saving operation and a wide operating range. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] 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. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a structural diagram of the bolt simulation assembly and tightening mechanical arm proposed by the present invention;

[0020] Figure 2 It is a detailed structural diagram of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the gun rotating assembly and the tightening gun assembly of the utility model.

[0022] In the picture:

[0023] 1. Fixed column assembly; 2. Upper arm rotation assembly; 3. Brake assembly; 4. Middle arm rotation assembly; 5. Cylinder assembly; 6. Forearm rotation assembly; 7. Gun rotation assembly; 8. Tightening gun assembly; 9. Column base plate; 10. Column reinforcement rib; 11. Square tube; 12. Column cover plate; 13. Brake bracket; 14. First support plate; 15. First brake disc; 16. Front axle tube; 17. First pneumatic disc brake; 18. Middle arm tube; 19. Second brake disc; 20. Second pneumatic disc brake; 21. Rear axle tube; 22. Second support plate; 23. Joint plate; 24. Secondary arm tube; 25. First clutch; 26. Joint support plate; 27. Joint shaft; 28. Forearm shaft tube; 29. ​​Turntable shaft tube; 30. Tightening gun; 31. Handle connecting plate; 32. Second clutch; 33. Rib plate; 34. Cylinder. DETAILED DESCRIPTION

[0024] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0025] According to an embodiment of the present utility model, a bolt simulation assembly and tightening robot arm is provided.

[0026] The present invention will now be further described with reference to the accompanying drawings and specific embodiments. Figure 1-3 As shown, the bolt simulation assembly tightening mechanical arm according to the embodiment of the utility model includes a fixed column assembly 1 and a tightening gun assembly 8, a large arm rotating assembly 2 is installed at a top side position of the fixed column assembly 1, one end of the large arm rotating assembly 2 is connected to a middle arm rotating assembly 4, a brake assembly 3 is provided on the large arm rotating assembly 2 and the middle arm rotating assembly 4, a cylinder assembly 5 is provided at a bottom side position of the middle arm rotating assembly 4, one end of the middle arm rotating assembly 4 is connected to a small arm rotating assembly 6, the bottom position of the small arm rotating assembly 6 is connected to a gun rotating assembly 7, and a tightening gun assembly 8 is installed at one end of the gun rotating assembly 7.

[0027] In one embodiment, the fixed column assembly 1 is composed of a column base plate 9, a column reinforcement rib 10, a square tube 11 and a column sealing plate 12. The square tube 11 is welded to the middle position of the top of the column base plate 9, and the column sealing plate 12 is welded to the top position of the square tube 11. Several groups of column reinforcement ribs 10 are welded around the bottom of the square tube 11 and the column base plate 9.

[0028] In one embodiment, the boom rotation assembly 2 is composed of a brake bracket 13, a first support plate 14, a front axle tube 16, a first brake disc 15, a first pneumatic disc brake 17 and a middle arm tube 18. The brake bracket 13 is fixed to the surface of the square tube 11 by bolts. The first support plates 14 are symmetrically welded at both ends of one side surface of the brake bracket 13. The front axle tube 16 is rotatably connected between the first support plates 14 through a bearing. One end of the front axle tube 16 passes through one side of the first support plate 14 and is connected to the first brake disc 15. The first brake disc 15 is connected to the braking end of the first pneumatic disc brake 17. The first pneumatic disc brake 17 is installed on the surface of the middle arm tube 18, and the middle arm tube 18 is welded to the surface of the front axle tube 16.

[0029] In one embodiment, the middle arm rotating assembly 4 is composed of a second brake disc 19, a second pneumatic disc brake 20, a rear axle tube 21, a second support plate 22, and a secondary arm tube 24. The second support plate 22 is symmetrically welded to the surface position of one end of the middle arm tube 18. The position between the second support plates 22 is rotatably connected with the rear axle tube 21 through a bearing. One end of the rear axle tube 21 passes through one side of the second support plate 22 and is connected to the second brake disc 19. The second brake disc 19 is connected to the braking end of the second pneumatic disc brake 20. The second pneumatic disc brake 20 is installed on the surface position of the other end of the middle arm tube 18. The surface position of the rear axle tube 21 is rotatably connected with a joint plate 23. The top side of the joint plate 23 is rotatably connected with the secondary arm tube 24. The bottom position of the joint plate 23 is rotatably connected with a cylinder 34. A rib plate 33 is welded on the bottom side of the secondary arm tube 24 away from the cylinder 34, and the output end of the cylinder 34 is rotatably connected to the rib plate 33.

[0030] In one embodiment, a joint support plate 26 is installed at one end of the secondary arm tube 24, a joint shaft 27 is installed on the joint support plate 26, a small arm shaft tube 28 is installed inside the joint shaft 27, and one end of the small arm shaft tube 28 passes through one side of the joint shaft 27 and is connected to the first clutch 25.

[0031] In one embodiment, a swivel shaft tube 29 is connected to the bottom of the forearm shaft tube 28 , a second clutch 32 is installed at one end of the swivel shaft tube 29 , and a handle connecting plate 31 is installed at the other end of the swivel shaft tube 29 .

[0032] In one embodiment, a tightening gun 30 is installed on the surface of the handle connecting plate 31 .

[0033] In one embodiment, threaded holes for bolt fastening are provided on the surface of the square tube 11 and the surface of the brake bracket 13. The threaded holes are provided to facilitate the installation and connection of the structure.

[0034] Working principle: In actual use, the upper arm rotating assembly 2 can rotate horizontally up to 90 degrees, the middle arm rotating assembly 4 can rotate up and down, the cylinder assembly 5 can balance the upper and lower weights, the small arm rotating assembly 6 can rotate 180 degrees, and the gun rotating assembly 7 can rotate 90 degrees left and right. The combined rotation of several rotating arms brings 360 degrees of freedom to the tightening gun assembly 8, providing multi-directional freedom without dead angles for bolt simulation assembly, and providing a multi-directional, multi-degree-of-freedom labor-saving tightening device. In terms of mechanical stability, a stable and easy-to-operate semi-automatic tightening device is provided. At the same time, the cylinder 34 is used to control the upper and lower arms, and the gun group servo motor controls the tightening data, realizing data setting and data readable precise control of bolt simulation assembly, effectively solving the laborious tightening that requires manual torque wrench. The overall device has the advantages of precise operation, labor-saving operation and wide operating range.

[0035] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A bolt simulation assembly tightening robot arm, comprising a fixed column assembly (1) and a tightening gun assembly (8), characterized in that: A large arm rotating assembly (2) is installed at one side of the top of the fixed column assembly (1), one end of the large arm rotating assembly (2) is connected to a middle arm rotating assembly (4), a brake assembly (3) is provided on both the large arm rotating assembly (2) and the middle arm rotating assembly (4), a cylinder assembly (5) is provided at one side of the bottom of the middle arm rotating assembly (4), one end of the middle arm rotating assembly (4) is connected to a small arm rotating assembly (6), the bottom of the small arm rotating assembly (6) is connected to a gun rotating assembly (7), and a tightening gun assembly (8) is installed at one end of the gun rotating assembly (7).

2. The bolt simulation assembly tightening robot arm according to claim 1, characterized in that: The fixed column assembly (1) is composed of a column base plate (9), a column reinforcement rib (10), a square tube (11) and a column sealing plate (12); a square tube (11) is welded to the middle position of the top of the column base plate (9); a column sealing plate (12) is welded to the top position of the square tube (11); and a plurality of groups of column reinforcement ribs (10) are welded around the bottom of the square tube (11) and the column base plate (9).

3. The bolt simulation assembly tightening robot arm according to claim 1, characterized in that: The arm rotating assembly (2) is composed of a brake bracket (13), a first support plate (14), a front axle tube (16), a first brake disc (15), a first pneumatic disc brake (17) and a middle arm tube (18). The brake bracket (13) is fixed to the surface of the square tube (11) by bolts. The first support plates (14) are symmetrically welded at both ends of one side surface of the brake bracket (13). The front axle tube (16) is rotatably connected between the first support plates (14) through a bearing. One end of the front axle tube (16) passes through one side of the first support plate (14) and is connected to the first brake disc (15). The first brake disc (15) is connected to the braking end of the first pneumatic disc brake (17). The first pneumatic disc brake (17) is installed on the surface of the middle arm tube (18). The middle arm tube (18) is welded to the surface of the front axle tube (16).

4. The bolt simulation assembly tightening robot arm according to claim 3, characterized in that: The middle arm rotating assembly (4) is composed of a second brake disc (19), a second pneumatic disc brake (20), a rear axle tube (21), a second support plate (22), and a secondary arm tube (24). The second support plate (22) is symmetrically welded to the surface of one end of the middle arm tube (18). The position between the second support plates (22) is connected to the rear axle tube (21) through a bearing. One end of the rear axle tube (21) passes through one side of the second support plate (22) and is connected to the second brake disc (19). The second brake disc (19) is connected to the second pneumatic disc. The rear axle tube (21) is connected to the braking end of the middle arm tube (20), the second pneumatic disc brake (20) is installed on the surface of the other end of the middle arm tube (18), the surface of the rear axle tube (21) is rotatably connected to a joint plate (23), the top side of the joint plate (23) is rotatably connected to a secondary arm tube (24), the bottom of the joint plate (23) is rotatably connected to a cylinder (34), the bottom side of the secondary arm tube (24) is welded with a rib plate (33) away from the cylinder (34), and the output end of the cylinder (34) is rotatably connected to the rib plate (33).

5. The bolt simulation assembly tightening robot arm according to claim 4, characterized in that: A joint support plate (26) is installed at one end of the secondary arm tube (24), a joint shaft (27) is installed on the joint support plate (26), a small arm shaft tube (28) is installed inside the joint shaft (27), and one end of the small arm shaft tube (28) passes through one side of the joint shaft (27) and is connected to the first clutch (25).

6. The bolt simulation assembly and tightening robot arm according to claim 5, characterized in that: The bottom of the forearm shaft tube (28) is connected to a swivel shaft tube (29), one end of the swivel shaft tube (29) is mounted with a second clutch (32), and the other end of the swivel shaft tube (29) is mounted with a handle connecting plate (31).

7. The bolt simulation assembly and tightening robot arm according to claim 6, characterized in that: A tightening gun (30) is installed on the surface of the handle connecting plate (31).

8. The bolt simulation assembly and tightening robot arm according to claim 2, characterized in that: Threaded holes for bolt fastening are provided on the surface of the square tube (11) and the surface of the brake bracket (13).

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