Industrial robot mechanical arm

Abstract

The invention relates to the technical field of mechanical arms, in particular to an industrial robot mechanical arm which comprises an assembling sleeve, a first supporting arm and a second supporting arm are assembled on the left side and the right side of the assembling sleeve in a hinged mode, and a first lifting arm and a second lifting arm which are the same are correspondingly assembled at the outer ends of the first supporting arm and the second supporting arm correspondingly. A driving box is assembled at the top of the assembling sleeve, the first lifting arm comprises a lifting screw sleeve, the lifting screw sleeve is assembled in the outer end of the left side of the first supporting arm in an inserted mode, a lifting screw rod is inserted in the lifting screw sleeve in a threaded mode, a lifting upper plate is fixed to the bottom of the lifting screw rod, and a worm wheel is fixed to the upper end of the lifting screw sleeve; the side edge of the worm gear is meshed with a worm, the top of the driving box is connected with a planetary reducer, and a servo motor is assembled at the input end of the planetary reducer. Combined assembly and multi-group synchronous driving lifting can be conveniently carried out according to use requirements, so that assembly and use are more convenient, and the use efficiency is conveniently improved.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical arms, in particular to an industrial robot mechanical arm. Background Art

[0002] With the rapid development of modern manufacturing, the degree of industrial automation is constantly improving. As key equipment for realizing automated production, industrial robots have been widely used in many fields such as automobile manufacturing, electronics industry, and mechanical processing. They can accurately perform repetitive, high-intensity, and high-precision tasks, significantly improving production efficiency, product quality, and reducing production costs;

[0003] In this regard, China's patent application number: CN201511008299.6 discloses a transversely movable mechanical arm, including an upper connecting plate, the middle part of the upper connecting plate has an elongated through slot, the two inner side walls of the elongated through slot have limiting protrusions, a rodless cylinder is fixed on the upper connecting plate, a connecting block is fixed on the slider of the rodless cylinder, the connecting block is inserted in the elongated through slot, the two sides of the connecting block have grooves, and the limiting protrusions are inserted in the grooves; a connecting part is fixed to the bottom surface of the connecting block, the bottom surface of the connecting part has a connecting bottom plate, a driving motor is fixed to the connecting bottom plate, a push rod of a pushing cylinder is provided on the connecting bottom plate, the pushing cylinder is fixed on one end of the connecting arm, a working motor is fixed on the other end of the connecting arm, and the main output shaft of the working motor passes downward through the connecting arm and is fixed with a connecting shaft end;

[0004] However, most existing robotic arms are inconvenient to be assembled and driven synchronously to lift and lower according to the needs of use, which affects the efficiency of operation.

[0005] Therefore, in order to solve the above problems, an industrial robot arm is proposed. Summary of the invention

[0006] The purpose of the present invention is to provide an industrial robot manipulator to solve the problem that most of the existing manipulators mentioned in the above background technology are inconvenient to be assembled and driven synchronously according to the needs of use, which affects the operation efficiency.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an industrial robot mechanical arm, comprising an assembly sleeve, wherein the assembly sleeve is hingedly equipped with a first support arm and a second support arm on the left and right sides, the outer ends of the first support arm and the second support arm are respectively equipped with the same first suspension arm and second suspension arm, the top of the assembly sleeve is equipped with a drive box, the first suspension arm comprises a lifting thread sleeve, the lifting thread sleeve is inserted and installed inside the left outer end of the first support arm, a lifting screw is threadedly inserted inside the lifting thread sleeve, a lifting upper plate is fixed to the bottom of the lifting screw, the upper end of the lifting thread sleeve is fixed to a worm gear, a worm is meshed with a worm on the side of the worm gear, a planetary reducer is connected to the top of the drive box, a servo motor is equipped at the input end of the planetary reducer, a first moving shaft and a second moving shaft are symmetrically arranged on both sides of the drive box, the side end of the first moving shaft is connected to the first rotating shaft through a universal coupling, and the outer end of the first rotating shaft is fixed to the side end of the worm.

[0008] As a further feature of this solution, the outer end of the second moving shaft is also connected to the second rotating shaft through a second universal joint, and the second rotating shaft is also drivingly connected to the second boom.

[0009] As a further improvement of the present invention, an upper drive bevel gear, bevel gear one and bevel gear two are provided inside the drive box, a drive shaft is fixed inside the upper drive bevel gear, the drive shaft is assembled on the top of the drive box through a bearing, and the upper end of the drive shaft is fixed to the output end of the planetary reducer, the bevel gear one and bevel gear two are respectively fixed on the inner ends of the first moving shaft and the second moving shaft, and the first moving shaft and the second moving shaft are assembled on the left and right side walls of the drive box through bearings.

[0010] As a further feature of the present invention, the top of the assembly sleeve is supported by a top support frame, a top plate is fixed on the top of the top support frame, a through groove is installed in the middle of the top plate, a mounting frame is fixed on the upper part of the top plate, and the mounting frame cover is arranged outside the servo motor and is fixed to the servo motor by bolts.

[0011] As a further improvement of the present invention, both ends of the worm and the outer walls of the first rotating shaft and the second rotating shaft are sleeved with bearing brackets, and the two groups of bearing brackets are respectively supported on the surfaces of the first support arm and the second support arm. The outer wall of the lifting thread sleeve is sleeved with a bearing seat, and the bearing seat is fixed on the surface and inner wall of the first support arm.

[0012] As a further improvement of the present invention, a lifting support is integrally provided at the bottom end of the lifting screw rod, and the lifting support is assembled and fixed to the lifting upper plate by bolts. A lifting base plate is assembled below the lifting upper plate via a lifting side rod, and lifting feet are integrally fixed to the upper and lower parts of the lifting side rod, and lifting screw holes are evenly arranged inside the lifting base plate.

[0013] As a further improvement of the present invention, a limit sliding column is fixedly provided around the side edges of the lifting upper plate, a limit sliding sleeve is sleeved on the upper part of the limit sliding column, and a limit top cap is fixedly provided on the top of the limit sliding column, the limit sliding sleeve is inserted and assembled on the outer end of the first support arm, and an assembly sleeve is fixedly provided on the outer wall of the limit sliding sleeve, and the assembly sleeve is assembled on the outer wall of the first support arm.

[0014] As a further feature of the present invention, a tension spring is installed at the bottom of the outer end of the first support arm and the side of the upper surface of the lifting upper plate, and assembly pull heads are respectively provided at the upper and lower ends of the tension spring. The two groups of assembly pull heads are inserted and assembled inside the side of the lifting upper plate and the side of the first support arm and are assembled and fastened by nuts.

[0015] As a further embodiment of the present invention, the first support arm comprises a first hinge seat, a first frame is integrally fixedly provided on the outer wall of the first hinge seat, and the outer wall and the bottom of the first frame are both covered with a first sealing plate; the second support arm comprises a second hinge seat, a second frame is integrally fixedly provided on the outer wall of the second hinge seat, and the outer wall and the bottom of the second frame are both covered with a second sealing plate; the first hinge seat and the second hinge seat are respectively assembled on the outer wall of the assembly sleeve in an alternating manner up and down through bearings.

[0016] As a further embodiment of the present invention, the bottom of the assembly sleeve is supported by a lower support, the upper end of the lower support is integrally provided with an upper support ring, the bottom of the lower support is integrally fixed with a lower support ring, the side edges of the lower support ring are evenly provided with lower screw holes, the top wall of the assembly sleeve is integrally fixed with an inner stud, the inner stud is inserted into the upper support ring and assembled and fastened by an inner nut, and an inner groove corresponding to the inner nut is provided inside the lower support, an upper plug is integrally fixed with the top of the lower support, the upper plug is inserted into the assembly sleeve, and a lower slot is provided inside the assembly sleeve, and the cross-sections of the upper plug and the lower slot are both hexagonal.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. By providing the first support arm and the second support arm, the first support arm and the second support arm can be finely adjusted in angle rotation through the bearing under the cooperation of the assembly sleeve, so that the rotation of the first support arm and the second support arm can be easily adjusted as needed in subsequent use. At the same time, under the cooperation of the universal coupling 2 and the universal coupling 1, the transmission of the drive box is not hindered, making the operation more convenient and easy to use synchronously. This design is conducive to the assembly and use of the industrial robot arm;

[0019] 2. By setting the universal coupling 1 and the universal coupling 2, it is convenient to coordinate the rotation angle adjustment of the first support arm and the second support arm when the drive box outputs power, so that the transmission is still continuous, thereby realizing synchronous driving of the first suspension arm and the second suspension arm to assist the first suspension arm and the second suspension arm in operating and lifting, making subsequent use more convenient and efficient. Through this design, it is conducive to the assembly and use of the industrial robot mechanical arm;

[0020] 3. By setting the first lifting arm and the second lifting arm, the lifting screw and the lifting screw are cooperated to facilitate the lifting and lowering through the drive of the worm gear and the worm, thereby driving the lifting and lowering of the lifting upper plate. The corresponding mechanical gripper is installed under the lifting upper plate, which is convenient for corresponding grasping according to the use needs, making the subsequent lifting and placing more convenient and efficient. Through this design, it is conducive to the assembly and use of the industrial robot mechanical arm;

[0021] 4. While designing the above structure, through the support assembly of the assembly sleeve and the lower support, it is convenient to assemble it above the mobile mechanical carrier as needed, making subsequent use more convenient and efficient, which is conducive to the assembly and use of the industrial robot arm to meet the needs of industrial production. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention 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 present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a front view stereoscopic schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a bottom-up stereoscopic schematic diagram of the overall structure of the present invention;

[0025] Figure 3 It is a side perspective schematic diagram of the partial structure of the upper plate hoisting of the present invention;

[0026] Figure 4 It is a side perspective schematic diagram of the local structure of the lifting silk sleeve of the present invention;

[0027] Figure 5 It is a front view cross-sectional stereoscopic schematic diagram of the local structure of the lifting silk sleeve of the present invention;

[0028] Figure 6 It is a front perspective schematic diagram of the local structure of the drive box of the present invention;

[0029] Figure 7 It is a front view cross-sectional perspective schematic diagram of a local structure of a drive box of the present invention;

[0030] Figure 8 It is a bottom-up three-dimensional assembly exploded view of the local structure of the assembly sleeve of the present invention.

[0031] In the figure: 100, assembly sleeve; 101, inner stud; 102, inner nut; 103, inner groove; 110, lower support; 111, upper support ring; 112, lower support ring; 113, lower screw hole; 120, upper plug; 121, lower slot; 200, first support arm; 201, first hinge seat; 202, first frame; 203, first cover plate; 210, first rotating shaft; 211, universal coupling one; 220, worm; 221, bearing bracket; 230, worm wheel; 240, lifting thread sleeve; 241, bearing with seat; 250, lifting screw rod; 251, lifting support; 260, lifting upper plate; 261, lifting side rod; 262, lifting bottom plate; 263, lifting screw hole; 2 64. Lifting foot; 270. Tension spring; 271. Assembly pull head; 280. Limiting slide column; 281. Limiting sleeve; 282. Assembly sleeve; 283. Limiting top cap; 300. Second support arm; 301. Second hinge seat; 302. Second frame; 303. Second closing plate; 310. Second rotating shaft; 311. Second universal joint; 400. First hanging arm; 500. Second hanging arm; 600. Drive box; 601. Drive shaft; 602. First moving shaft; 603. Second moving shaft; 604. Upper drive bevel gear; 605. Bevel gear one; 606. Bevel gear two; 610. Planetary reducer; 611. Top support frame; 612. Top plate; 613. Mounting frame; 620. Servo motor. DETAILED DESCRIPTION

[0032] The following will be combined with the 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-Figure 8, an embodiment of the present invention: an industrial robot mechanical arm, including an assembly sleeve 100, the left and right sides of the assembly sleeve 100 are hingedly equipped with a first support arm 200 and a second support arm 300, the outer ends of the first support arm 200 and the second support arm 300 are respectively equipped with the same first suspension arm 400 and second suspension arm 500, the top of the assembly sleeve 100 is equipped with a drive box 600, the first suspension arm 400 includes a lifting thread sleeve 240, the lifting thread sleeve 240 is inserted and assembled inside the left outer end of the first support arm 200, the lifting thread sleeve 240 is threadedly inserted with a lifting screw 250, the bottom of the lifting screw 250 is fixed with a lifting upper plate 260, the upper end of the lifting thread sleeve 240 is fixed with a worm gear 230, the side of the worm gear 230 is meshed with a worm 220, and the top of the drive box 600 is connected with a planetary reduction gear. The planetary reducer 610 is equipped with a servo motor 620 at its input end. The first movable shaft 602 and the second movable shaft 603 are symmetrically arranged on both sides of the drive box 600. The side end of the first movable shaft 602 is connected to the first rotating shaft 210 through a universal coupling 211. The outer end of the first rotating shaft 210 is fixed to the side end of the worm 220, so as to facilitate the angle adjustment support of the first support arm 200 and the second support arm 300. At the same time, it does not hinder the transmission drive of the drive box 600 to lift the first suspension arm 400 and the second suspension arm 500, making the subsequent assembly and use more convenient. The outer end of the second movable shaft 603 is also connected to the second rotating shaft 310 through a universal coupling 211. The second rotating shaft 310 is also drivingly connected to the second suspension arm 500, which is convenient for the assembly docking and driving of the second suspension arm 500.

[0034] As a more detailed example of this embodiment, the drive box 600 is provided with an upper bevel gear 604, a bevel gear 1 605 and a bevel gear 2 606. A drive shaft 601 is fixed inside the upper bevel gear 604. The drive shaft 601 is assembled on the top of the drive box 600 through a bearing, and the upper end of the drive shaft 601 is fixedly connected to the output end of the planetary reducer 610. The bevel gear 1 605 and the bevel gear 2 606 are respectively fixed to the inner ends of the first moving shaft 602 and the second moving shaft 603, and the first moving shaft 602 and the second moving shaft 603 are assembled on the left and right side walls of the drive box 600 through bearings. The top of the assembly sleeve 100 is supported by A top support frame 611, a top plate 612 is fixed on the top of the top support frame 611, a through slot is installed in the middle of the top plate 612, a mounting frame 613 is fixed on the top of the top plate 612, and the mounting frame 613 is covered on the outside of the servo motor 620 and fixed to the servo motor 620 by bolts, so as to facilitate the support and assembly of the planetary reducer 610 and the servo motor 620, and at the same time facilitate the stable driving of the drive box 600, so that the drive box 600 drives the first drive shaft 602 and the second drive shaft 603 to rotate under the cooperation of the upper drive bevel gear 604, the bevel gear 1 605, and the bevel gear 2 606, so that the rear drive operation is more convenient;

[0035] As a more detailed example of this embodiment, both ends of the worm 220 and the outer walls of the first rotating shaft 210 and the second rotating shaft 310 are sleeved with bearing brackets 221, and the two sets of bearing brackets 221 are respectively supported on the surfaces of the first support arm 200 and the second support arm 300, and the outer wall of the lifting thread sleeve 240 is sleeved with a seat bearing 241, and the seat bearing 241 is fixed on the surface and inner wall of the first support arm 200. The bottom end of the lifting screw 250 is integrally provided with a lifting support 251, and the lifting support 251 is assembled with the lifting upper plate 260 by bolts. Fixed, the lower part of the hoisting upper plate 260 is connected and assembled with a hoisting bottom plate 262 through a hoisting side rod 261, and the hoisting side rod 261 is integrally fixed with hoisting feet 264 above and below, and the inside of the hoisting bottom plate 262 is evenly provided with hoisting screw holes 263, so that it is convenient to assist in the stable support of the worm 220 and the hoisting thread sleeve 240 when in use, making the subsequent driving operation more convenient, and the cooperation of the hoisting bottom plate 262 and the hoisting screw holes 263 is convenient to assemble the corresponding mechanical gripper, and the cooperation makes the subsequent operation more convenient;

[0036] As a more detailed example of this embodiment, a limiting slide post 280 is fixedly provided around the side of the upper hoisting plate 260, a limiting slide sleeve 281 is sleeved on the upper part of the limiting slide post 280, and a limiting top cap 283 is fixedly provided on the top of the limiting slide post 280, the limiting slide sleeve 281 is inserted and assembled at the outer end of the first support arm 200, and an assembly sleeve 282 is fixedly provided on the outer wall of the limiting slide sleeve 281, and the assembly sleeve 282 is assembled on the outer wall of the first support arm 200, and the bottom of the outer end of the first support arm 200 and the side of the upper surface of the upper hoisting plate 260 are assembled There is a tension spring 270, and the upper and lower ends of the tension spring 270 are respectively provided with assembly pull heads 271. The two sets of assembly pull heads 271 are inserted and assembled inside the side of the hoisting upper plate 260 and the side of the first support arm 200 and assembled and fastened by nuts. In this way, when in use, it is convenient for the limiting slide column 280 and the limiting slide sleeve 281 to cooperate to assist in limiting the lifting and lowering of the hoisting upper plate 260. At the same time, under the assembly of the tension spring 270, it is convenient to assist in preventing the accidental falling of the hoisting upper plate 260, making the assembly and use more convenient and safe;

[0037] As a more detailed description of the present embodiment, the first support arm 200 comprises a first hinge seat 201, the outer wall of the first hinge seat 201 is integrally fixed with a first frame 202, the outer wall and the bottom of the first frame 202 are covered with a first sealing plate 203, the second support arm 300 comprises a second hinge seat 301, the outer wall of the second hinge seat 301 is integrally fixed with a second frame 302, the outer wall and the bottom of the second frame 302 are covered with a second sealing plate 303, the first hinge seat 201 and the second hinge seat 301 are respectively staggered and assembled on the outer wall of the assembly sleeve 100 through bearings, which facilitates the assembly of the hinges of the first support arm 200 and the second support arm 300 when in use, making the rear side adjustment more convenient, the bottom of the assembly sleeve 100 is supported by a lower support seat 110, the upper end of the lower support seat 110 is integrally provided with an upper support ring 111, and the lower support seat 110 is A lower support ring 112 is integrally fixed to the bottom, and lower screw holes 113 are evenly opened inside the side edges of the lower support ring 112. An inner stud 101 is integrally fixed to the inner top wall of the assembly sleeve 100. The inner stud 101 is inserted into the upper support ring 111 and assembled and fastened by the inner nut 102, and an inner groove 103 corresponding to the inner nut 102 is opened inside the lower support 110. An upper plug 120 is integrally fixed to the top of the lower support 110, and the upper plug 120 is inserted into the assembly sleeve 100, and a lower slot 121 is opened inside the assembly sleeve 100. The cross-sections of the upper plug 120 and the lower slot 121 are both hexagonal, so as to facilitate the combined assembly of the assembly sleeve 100 and the subsequent use is more stable. At the same time, with the cooperation of the lower support ring 112 and the lower screw hole 113, it is convenient to connect with the corresponding mechanical carrier, which is convenient for subsequent use.

[0038] Working principle: The industrial robot arm is assembled and docked with a mobile robot or other mechanical equipment carrier under the cooperation of the lower support ring 112 and the lower screw hole 113 for coordinated use. At the same time, the corresponding mechanical gripper is assembled under the cooperation of the lifting base plate 262 and the lifting screw hole 263, and the corresponding gripper control component is placed between the lifting upper plate 260 and the lifting base plate 262 for subsequent coordinated control operations; when in use, the servo motor 620 is driven to output stable power to drive the drive box 600 to work under the cooperation of the planetary reducer 610, so that the first moving shaft 602 and the second moving shaft 603 synchronously drive the first rotating shaft 210 and the second rotating shaft 310 to rotate under the cooperation of the universal coupling 1 211 and the universal coupling 2 311, thereby driving the first boom 400 and the second boom 500 to work, so as to perform synchronous lifting, which is convenient for improving efficiency;

[0039] During operation, the first hinge seat 201 and the second hinge seat 301 cooperate to facilitate the angle adjustment of the second support arm 300 and the first support arm 200 as needed. At the same time, under the assembly of the universal coupling 2 311 and the universal coupling 1 211, the angle adjustment does not hinder the drive transmission, thereby not hindering the work of driving the first suspension arm 400 and the second suspension arm 500. Under the cooperation of the worm 220 and the worm wheel 230, the lifting threaded sleeve 240 is driven to rotate. Through the threaded connection, the lifting screw rod 250 is easy to lift, thereby driving the lifting upper plate 2 60 lifting, after assembling the mechanical gripper under the lifting upper plate 260, it is convenient to cooperate with the corresponding industrial production lifting and placing operation. During operation, the lifting and lifting of the lifting upper plate 260 is more stable through the limiting of the limiting slide column 280 and the limiting sleeve 281, which is convenient for limiting the lifting upper plate 260 to prevent the lifting upper plate 260 and the lifting screw rod 250 from rotating with the lifting screw sleeve 240. At the same time, under the assembly of the tension spring 270 and the assembly pull head 271, it is convenient to accidentally protect the lifting upper plate 260 and prevent accidental falling off, making it safer to use;

[0040] During operation, through the combined assembly of the first support arm 200 and the second support arm 300, under the assembly of the lower support 110 and the assembly sleeve 100, it is also convenient to disassemble, inspect and maintain according to the needs of use, making subsequent use and replacement more convenient.

[0041] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. An industrial robot arm, comprising an assembly sleeve (100), characterized in that: The left and right sides of the assembly sleeve (100) are hingedly equipped with a first support arm (200) and a second support arm (300), and the outer ends of the first support arm (200) and the second support arm (300) are respectively equipped with the same first suspension arm (400) and second suspension arm (500). The top of the assembly sleeve (100) is equipped with a driving box (600), and the first suspension arm (400) includes a lifting thread sleeve (240), and the lifting thread sleeve (240) is inserted and installed inside the left outer end of the first support arm (200), and the lifting thread rod (250) is threadedly inserted inside the lifting thread sleeve (240), and the bottom of the lifting thread rod (250) is fixed. A lifting upper plate (260) is fixed, the upper end of the lifting thread sleeve (240) is fixed to the worm wheel (230), the side of the worm wheel (230) is meshed with a worm (220), the top of the driving box (600) is connected to a planetary reducer (610), the input end of the planetary reducer (610) is equipped with a servo motor (620), the two sides of the driving box (600) are symmetrically provided with a first moving shaft (602) and a second moving shaft (603), the side end of the first moving shaft (602) is connected to the first rotating shaft (210) through a universal coupling (211), and the outer end of the first rotating shaft (210) is fixed to the side end of the worm (220).

2. An industrial robot arm according to claim 1, characterized in that: The outer end of the second movable shaft (603) is also connected to the second rotating shaft (310) via a second universal joint (311), and the second rotating shaft (310) is also drivingly connected to the second suspension arm (500).

3. The industrial robot arm according to claim 1, characterized in that: An upper bevel gear (604), a bevel gear 1 (605) and a bevel gear 2 (606) are arranged inside the drive box (600); a drive shaft (601) is fixed inside the upper bevel gear (604); the drive shaft (601) is assembled on the top of the drive box (600) via a bearing, and the upper end of the drive shaft (601) is fixedly connected to the output end of the planetary reducer (610); the bevel gear 1 (605) and the bevel gear 2 (606) are respectively fixed on the inner ends of the first moving shaft (602) and the second moving shaft (603), and the first moving shaft (602) and the second moving shaft (603) are assembled on the left and right side walls of the drive box (600) via bearings.

4. The industrial robot arm according to claim 1, characterized in that: The top of the assembly sleeve (100) is supported by a top support frame (611), a top plate (612) is fixed on the top of the top support frame (611), a through slot is installed in the middle of the top plate (612), a mounting frame (613) is fixed on the top of the top plate (612), and the mounting frame (613) is covered on the outside of the servo motor (620) and fixed to the servo motor (620) by bolts.

5. The industrial robot arm according to claim 1, characterized in that: Both ends of the worm (220) and the outer walls of the first rotating shaft (210) and the second rotating shaft (310) are sleeved with bearing brackets (221), and two groups of bearing brackets (221) are supported on the surfaces of the first support arm (200) and the second support arm (300), respectively. The outer wall of the hanging thread sleeve (240) is sleeved with a bearing seat (241), and the bearing seat (241) is fixed on the surface and inner wall of the first support arm (200).

6. The industrial robot arm according to claim 1, characterized in that: A lifting support (251) is integrally provided at the bottom end of the lifting screw rod (250), and the lifting support (251) is assembled and fixed to the lifting upper plate (260) by bolts. A lifting bottom plate (262) is connected and assembled below the lifting upper plate (260) via a lifting side rod (261), and lifting feet (264) are integrally fixed on the upper and lower parts of the lifting side rod (261), and lifting screw holes (263) are evenly opened inside the lifting bottom plate (262).

7. The industrial robot arm according to claim 1, characterized in that: A limiting slide column (280) is fixedly provided around the side of the hoisting upper plate (260), a limiting slide sleeve (281) is sleeved on the upper part of the limiting slide column (280), and a limiting top cap (283) is fixedly provided on the top of the limiting slide column (280), the limiting slide sleeve (281) is inserted and assembled on the outer end of the first support arm (200), and an assembly sleeve (282) is fixedly provided on the outer wall of the limiting slide sleeve (281), and the assembly sleeve (282) is assembled on the outer wall of the first support arm (200).

8. The industrial robot arm according to claim 1, characterized in that: A tension spring (270) is installed at the bottom of the outer end of the first support arm (200) and the side of the upper surface of the lifting upper plate (260). The upper and lower ends of the tension spring (270) are respectively provided with assembly pull heads (271). Two groups of the assembly pull heads (271) are inserted and installed inside the side of the lifting upper plate (260) and the side of the first support arm (200) and are assembled and fastened by nuts.

9. The industrial robot arm according to claim 1, characterized in that: The first support arm (200) comprises a first hinge seat (201), the outer wall of the first hinge seat (201) is integrally fixed with a first frame (202), the outer wall and the bottom of the first frame (202) are both covered with a first sealing plate (203), the second support arm (300) comprises a second hinge seat (301), the outer wall of the second hinge seat (301) is integrally fixed with a second frame (302), the outer wall and the bottom of the second frame (302) are both covered with a second sealing plate (303), the first hinge seat (201) and the second hinge seat (301) are respectively and alternately assembled on the outer wall of the assembly sleeve (100) through bearings.

10. The industrial robot arm according to claim 1, characterized in that: The bottom of the assembly sleeve (100) is supported by a lower support (110), the upper end of the lower support (110) is integrally provided with an upper support ring (111), the bottom of the lower support (110) is integrally fixed with a lower support ring (112), the side of the lower support ring (112) is evenly provided with lower screw holes (113), the inner top wall of the assembly sleeve (100) is integrally fixed with an inner stud (101), and the inner stud (101) is inserted into the upper support ring (111). ) and is assembled and fastened by an internal nut (102), and an internal groove (103) corresponding to the internal nut (102) is provided inside the lower support (110), an upper plug (120) is integrally fixed to the top of the lower support (110), the upper plug (120) is inserted into the interior of the assembly sleeve (100), and a lower slot (121) is provided inside the assembly sleeve (100), and the cross-sections of the upper plug (120) and the lower slot (121) are both hexagonal.

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