An industrial robot arm

Abstract

The application relates to the technical field of mechanical arms, in particular to an industrial robot mechanical arm which comprises an assembly sleeve, first supporting arms and second supporting arms are hingedly assembled on the left and right sides of the assembly sleeve, the outer ends of the first supporting arms and the second supporting arms are respectively correspondingly provided with the same first lifting arms and second lifting arms, a driving box is assembled on the top of the assembly sleeve, the first lifting arm comprises a hoisting silk sleeve, the hoisting silk sleeve is inserted and assembled in the inner part of the left outer end of the first supporting arm, a hoisting lead screw is threadedly inserted in the inner part of the hoisting silk sleeve, a hoisting upper plate is fixed to the bottom of the hoisting lead screw, a worm wheel is fixed to the upper end of the hoisting silk sleeve, a worm is engaged with the side edge of the worm wheel, a planetary reducer is connected to the top of the driving box, and a servo motor is assembled at the input end of the planetary reducer; the industrial robot mechanical arm is convenient to assemble and combine according to the use requirement, can be synchronously driven and lifted in multiple groups, and is convenient to use and can improve the use efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mechanical arm, in particular to an industrial robot mechanical arm. BACKGROUND

[0002] With the rapid development of modern manufacturing industry, the degree of industrial automation is continuously improved. Industrial robots, as the key equipment to realize automated production, have been widely used in automobile manufacturing, electronic industry, mechanical processing and many other fields. They can accurately perform repetitive, high-intensity and high-precision tasks, significantly improve production efficiency, product quality, and reduce production cost;

[0003] To this end, China patent number: CN201511008299.6 discloses a transverse moving type mechanical arm, which comprises an upper connecting plate, the middle part of the upper connecting plate has an elongated slot, the two inner side walls of the elongated slot have limiting protrusions, the upper connecting plate is fixed with a rodless cylinder, the sliding block of the rodless cylinder is fixed with a connecting block, the connecting block is inserted into the elongated slot, the two sides of the connecting block have grooves, and the limiting protrusions are inserted into the grooves; the bottom surface of the connecting block is fixed with a connecting part, the bottom surface of the connecting part has a connecting bottom plate, the connecting bottom plate is fixed with a driving motor, the connecting bottom plate is provided with a push rod of a push cylinder, the push cylinder is fixed on one end of a connecting arm, the other end of the connecting arm is fixed with a working motor, and the main output shaft of the working motor is downwardly fixed with a connecting shaft end;

[0004] However, most of the existing mechanical arms are not convenient to assemble according to the use needs and are not driven by multiple groups in synchronization, which affects the operation efficiency;

[0005] Therefore, in order to solve the above problems, an industrial robot mechanical arm is proposed. SUMMARY

[0006] The present application aims to provide an industrial robot mechanical arm to solve the problem of the existing mechanical arms which are not convenient to assemble according to the use needs and are not driven by multiple groups in synchronization, which affects the operation efficiency.

[0007] In order to achieve the above object, the present application provides the following technical scheme: an industrial robot mechanical arm, comprising an assembly sleeve, first and second support arms are hingedly assembled on the left and right sides of the assembly sleeve, the outer ends of the first and second support arms are respectively provided with the same first and second lifting arms, a drive box is assembled on the top of the assembly sleeve, the first lifting arm comprises a lifting silk sleeve, the lifting silk sleeve is inserted and assembled inside the outer end of the left side of the first support arm, a lifting lead screw is threadedly inserted inside the lifting silk sleeve, a lifting upper plate is fixed to the bottom of the lifting lead screw, a worm wheel is fixed to the upper end of the lifting silk sleeve, a worm gear is engaged with the side edge of the worm wheel, a planetary reducer is connected to the top of the drive box, a servo motor is assembled on the input end of the planetary reducer, first and second driving shafts are symmetrically arranged on the left and right sides of the drive box, a first rotating shaft is connected to the side end of the first driving shaft through a universal joint, and the outer end of the first rotating shaft is fixed with the side end of the worm gear.

[0008] As a further improvement of the present application, the outer end of the second driving shaft is also connected to a second rotating shaft through a universal joint two, and the second rotating shaft is also drivingly connected with the second lifting arm.

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

[0010] As a further improvement of the present application, a top support frame is supported on the top of the assembly sleeve, a top plate is fixed to the top of the top support frame, a through slot is installed in the middle of the top plate, a mounting bracket is fixed to the upper part of the top plate, and the mounting bracket is covered outside the servo motor and fixed with the servo motor through bolts.

[0011] As a further improvement of the present application, the outer walls of the first and second rotating shafts are both provided with bearing support brackets, and the two groups of bearing support brackets are supported on the surfaces of the first and second support arms, respectively, and the outer wall of the lifting silk sleeve is provided with a seat bearing, and the seat bearing is fixed to the surface and inner wall of the first support arm.

[0012] As a further improvement of the present application, the bottom end of the lifting lead screw is integrally provided with a lifting support, the lifting support is fixedly assembled with the lifting upper plate through bolts, a lifting bottom plate is connected and assembled with the lifting edge bar below the lifting upper plate through the lifting edge bar, and lifting feet are integrally fixed to the lifting edge bar in an up-down manner, and lifting screw holes are uniformly formed in the inside of the lifting bottom plate.

[0013] As a further further scheme, the lifting upper plate side is fixed with a limiting slide column around the side, the upper part of the limiting slide column is sleeved with a limiting sleeve, and the top of the limiting slide column is fixed with a limiting top cap, the limiting sleeve is inserted and assembled at the outer end of the first supporting arm, and the outer wall of the limiting sleeve is fixed with an assembly clamping sleeve, and the assembly clamping sleeve is assembled on the outer wall of the first supporting arm.

[0014] As a further further scheme, the lifting upper plate side is fixed with a limiting slide column around the side, the upper part of the limiting slide column is sleeved with a limiting sleeve, and the top of the limiting slide column is fixed with a limiting top cap, the limiting sleeve is inserted and assembled at the outer end of the first supporting arm, and the outer wall of the limiting sleeve is fixed with an assembly clamping sleeve, and the assembly clamping sleeve is assembled on the outer wall of the first supporting arm.

[0015] As a further further scheme, the first supporting arm is composed of a first hinge base, the outer wall of the first hinge base is integrally fixed with a first frame, the outer wall and the bottom of the first frame are both covered and assembled with a first sealing plate, the second supporting arm is composed of a second hinge base, the outer wall of the second hinge base is integrally fixed with a second frame, the outer wall and the bottom of the second frame are both covered and assembled with a second sealing plate, and the first hinge base and the second hinge base are sequentially and staggered assembled on the outer wall of the assembly sleeve through bearings.

[0016] As a further further scheme, 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 inner side of the lower support ring is uniformly provided with a lower screw hole, the inner screw column of the inner top wall of the assembly sleeve is integrally fixed, the inner screw column is inserted into the inner support ring and is fastened by an inner nut, and the inner nut is provided with an inner groove corresponding to the inner nut, the upper end of the lower support is integrally fixed with an upper plug, the upper plug is inserted into the assembly sleeve, and the inner wall of the assembly sleeve is provided with a lower insertion slot, and the cross section of the upper plug and the lower insertion slot is hexagonal.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] 1. By setting the first supporting arm and the second supporting arm, and cooperating with the assembly sleeve through the bearing, the angle rotation of the first supporting arm and the second supporting arm is adjusted, the rotation of the first supporting arm and the second supporting arm is adjusted according to the needs, and the transmission of the driving box is not hindered under the cooperation of the universal coupling two and the universal coupling one, so that the operation and use are more convenient, and the synchronous use is facilitated.

[0019] 2. By setting the universal joint one and the universal joint two, it is convenient to adjust the rotation angle of the first support arm and the second support arm when driving the output power of the drive box, so that the transmission is still continuous, so as to realize the synchronous driving of the first lifting arm and the second lifting arm to assist the first support arm and the second support arm to operate lifting, so that the subsequent use is more convenient and efficient, through this design, it is beneficial to the assembly and use of the industrial robot mechanical arm;

[0020] 3. By setting the first lifting arm and the second lifting arm, it is convenient to lift through the driving of the worm gear and the worm under the cooperation of the lifting wire sleeve and the lifting wire rod, so as to drive the lifting upper plate to lift, assemble the corresponding mechanical gripper below the lifting upper plate, and facilitate the corresponding grabbing according to the use requirement, so that the subsequent use of lifting and taking is more convenient and efficient, through this design, it is beneficial to the assembly and use of the industrial robot mechanical arm;

[0021] 4. At the same time of the above structure design, through the support assembly of the assembled sleeve and the lower support, it is convenient to assemble above the mobile mechanical carrier as required, so that the subsequent use is more convenient and efficient, which is beneficial to the assembly and use of the industrial robot mechanical arm, and realizes the cooperation with the needs of industrial production. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, without creative labor, other drawings can also be obtained from these drawings.

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

[0024] Figure 2 It is the overall structure of the present application bottom view schematic diagram;

[0025] Figure 3 It is the lifting upper plate of the present application local structure side view schematic diagram;

[0026] Figure 4 It is the lifting wire sleeve of the present application local structure side view schematic diagram;

[0027] Figure 5 It is the lifting wire sleeve of the present application local structure front view sectional schematic diagram;

[0028] Figure 6 It is the drive box of the present application local structure front view schematic diagram;

[0029] Figure 7 It is the drive box of the present application local structure front view sectional schematic diagram;

[0030] Figure 8 Assembled partial structure of sleeve for the application, bottom view.

[0031] In the figure: 100, assembled sleeve; 101, inner stud; 102, inner nut; 103, inner slot; 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 sealing plate; 210, first rotating shaft; 211, universal coupling one; 220, worm; 221, bearing bracket; 230, worm gear; 240, hoisting silk sleeve; 241, seat bearing; 250, hoisting screw; 251, hoisting support; 260, hoisting upper plate; 261, hoisting edge rod; 262, hoisting bottom plate; 263, hoisting screw hole; 264, hoisting foot; 270, tension spring; 271, assembled pull head; 280, limit slide column; 281, limit slide sleeve; 282, assembled clamping sleeve; 283, limit top cap; 300, second support arm; 301, second hinge seat; 302, second frame; 303, second sealing plate; 310, second rotating shaft; 311, universal coupling two; 400, first lifting arm; 500, second lifting arm; 600, drive box; 601, drive shaft; 602, first drive shaft; 603, second drive 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 bracket; 620, servo motor. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0033] Please refer to Figures 1-8The application provides an industrial robot mechanical arm, which comprises an assembly sleeve 100, first supporting arms 200 and second supporting arms 300 are hingedly arranged on the left and right sides of the assembly sleeve 100, the outer ends of the first supporting arms 200 and the second supporting arms 300 are respectively provided with the same first lifting arms 400 and second lifting arms 500, a driving box 600 is arranged on the top of the assembly sleeve 100, the first lifting arms 400 comprise lifting silk sleeves 240, the lifting silk sleeves 240 are arranged in the inner ends of the left outer ends of the first supporting arms 200, lifting lead screws 250 are arranged in the lifting silk sleeves 240 in a threaded mode, lifting upper plates 260 are fixed to the bottom of the lifting lead screws 250, worm wheels 230 are fixed to the upper ends of the lifting silk sleeves 240, worm gears 220 are engaged with the side edges of the worm wheels 230, a planetary reducer 610 is connected to the top of the driving box 600, a servo motor 620 is arranged on the input end of the planetary reducer 610, first driving shafts 602 and second driving shafts 603 are symmetrically arranged on the left and right sides of the driving box 600, first rotating shafts 210 are connected to the side ends of the first driving shafts 602 through universal couplings one 211, the outer ends of the first rotating shafts 210 are fixed to the side ends of the worm gears 220, so that the angle adjustment and support of the first supporting arms 200 and the second supporting arms 300 are facilitated, meanwhile, the transmission and driving of the driving box 600 are not affected, the first lifting arms 400 and the second lifting arms 500 are lifted, and subsequent assembly and use are more convenient, the outer ends of the second driving shafts 603 are also connected to second rotating shafts 310 through universal couplings two 311, the second rotating shafts 310 are also drivingly connected to the second lifting arms 500, and the assembly, butt joint and driving of the second lifting arms 500 are facilitated.

[0034] As a more detailed embodiment, the driving box 600 is internally provided with an upper bevel gear 604, a bevel gear one 605 and a bevel gear two 606, a driving shaft 601 is fixedly arranged in the upper bevel gear 604, the driving shaft 601 is arranged on the top of the driving box 600 through a bearing, the upper end of the driving shaft 601 is abuttingly fixed to the output end of the planetary reducer 610, the bevel gear one 605 and the bevel gear two 606 are fixedly arranged in the inner ends of the first driving shafts 602 and the second driving shafts 603, the first driving shafts 602 and the second driving shafts 603 are arranged on the left and right side walls of the driving box 600 through bearings, a top supporting frame 611 is arranged on the top of the assembly sleeve 100, a top plate 612 is fixedly arranged on the top of the top supporting frame 611, a through slot is arranged in the middle of the top plate 612, a mounting frame 613 is fixedly arranged on the upper portion of the top plate 612, the mounting frame 613 is arranged outside the servo motor 620 and is fixed to the servo motor 620 through bolts, so that the support assembly of the planetary reducer 610 and the servo motor 620 is facilitated, meanwhile, the stable driving of the driving box 600 is facilitated, the driving box 600 drives the first driving shafts 602 and the second driving shafts 603 to rotate under the cooperation of the upper bevel gear 604, the bevel gear one 605 and the bevel gear two 606, and the rear driving operation is more convenient.

[0035] As a more detailed embodiment of the present embodiment, the worm 220 is sleeved with bearing supports 221 at both ends of the first rotating shaft 210 and the second rotating shaft 310, and the two groups of bearing supports 221 are supported on the surfaces of the first support arm 200 and the second support arm 300, respectively. The outer wall of the hoisting wire sleeve 240 is sleeved with a bearing seat 241, and the bearing seat 241 is fixed to the surface and inner wall of the first support arm 200. The hoisting screw 250 is integrally provided with a hoisting support 251 at the bottom end, and the hoisting support 251 is fixedly assembled with the hoisting upper plate 260 through bolts. The hoisting upper plate 260 is connected and assembled with a hoisting bottom plate 262 through a hoisting edge rod 261 below, and the hoisting edge rod 261 is integrally provided with hoisting feet 264 on the upper and lower sides. The hoisting bottom plate 262 is uniformly provided with hoisting screw holes 263 inside. Therefore, in use, the stable support of the worm 220 and the hoisting wire sleeve 240 is facilitated, the subsequent driving operation is more convenient, and the corresponding mechanical gripper is facilitated to be assembled under the cooperation of the hoisting bottom plate 262 and the hoisting screw hole 263, which is used in cooperation to make the subsequent operation more convenient.

[0036] As a more detailed embodiment of the present embodiment, the hoisting upper plate 260 is integrally provided with limit sliding columns 280 around the side edges, the limit sliding columns 280 are sleeved with limit sliding sleeves 281 on the upper parts, and the limit sliding columns 280 are integrally provided with limit top caps 283 at the top ends. The limit sliding sleeves 281 are inserted and assembled at the outer ends of the first support arm 200, and the limit sliding sleeves 281 are integrally provided with assembly clamping sleeves 282 on the outer walls. The assembly clamping sleeves 282 are assembled on the outer wall of the first support arm 200. The outer end bottom of the first support arm 200 and the upper surface side edge of the hoisting upper plate 260 are assembled with tension springs 270, and the upper and lower ends of the tension springs 270 are respectively provided with assembly pull heads 271. The two groups of assembly pull heads 271 are inserted and assembled in the inner sides of the side edges of the hoisting upper plate 260 and the side edges of the first support arm 200 and are fastened by nuts. Therefore, in use, the limit sliding columns 280 and the limit sliding sleeves 281 are cooperatively used to assist in limiting the lifting of the hoisting upper plate 260, and under the assembly of the tension springs 270, the accidental falling of the hoisting upper plate 260 is prevented, which makes the assembly and use more convenient and safe.

[0037] As a more detailed embodiment of the present application, the first support arm 200 is composed of a first hinge base 201, the outer wall of which is integrally provided with a first frame 202, the outer wall and bottom of which are covered and assembled with a first sealing plate 203. The second support arm 300 is composed of a second hinge base 301, the outer wall of which is integrally provided with a second frame 302, the outer wall and bottom of which are covered and assembled with a second sealing plate 303. The first hinge base 201 and the second hinge base 301 are assembled in the outer wall of the assembly sleeve 100 in an upper and lower staggered manner through bearings, respectively. In use, the hinge assembly of the first support arm 200 and the second support arm 300 is facilitated, making the rear adjustment more convenient. The assembly sleeve 100 is supported at the bottom by a lower support 110, the upper end of which is integrally provided with an upper support ring 111, and the bottom of which is integrally provided with a lower support ring 112. The inner side of the lower support ring 112 is uniformly provided with a lower screw hole 113. The inner screw column 101 is integrally provided in the inner top wall of the assembly sleeve 100, and is inserted into the inner part of the upper support ring 111 and fastened by the inner nut 102. The inner nut 102 is correspondingly provided with an inner groove 103 in the lower support 110. The upper plug 120 is integrally provided at the top of the lower support 110 and inserted into the inner part of the assembly sleeve 100. The inner part of the assembly sleeve 100 is provided with a lower insertion slot 121, and the cross section of the upper plug 120 and the lower insertion slot 121 is hexagonal. Thus, the assembly of the assembly sleeve 100 and the lower support 110 is facilitated, making the subsequent use more stable. At the same time, the lower support ring 112 and the lower screw hole 113 are matched to facilitate the connection with the corresponding mechanical carrier, facilitating subsequent use.

[0038] Working principle: the industrial robot mechanical arm is assembled and connected with the mobile robot or other mechanical equipment carrier under the cooperation of the lower support ring 112 and the lower screw hole 113, so as to cooperate with the use. At the same time, the corresponding mechanical gripper is assembled under the cooperation of the hoisting bottom plate 262 and the hoisting screw hole 263. The corresponding gripper control assembly is placed between the hoisting upper plate 260 and the hoisting bottom plate 262, so as to cooperate with the subsequent control operation. In use, the stable power of the drive box 600 is output under the cooperation of the planetary reducer 610 by driving the servo motor 620, so that the first driving shaft 602 and the second driving shaft 603 are synchronously driven to rotate the first rotating shaft 210 and the second rotating shaft 310 under the cooperation of the universal joint one 211 and the universal joint two 311, thereby driving the first hoisting arm 400 and the second hoisting arm 500 to work, so as to perform synchronous lifting and improve efficiency.

[0039] In operation, the angle of the second support arm 300 and the first support arm 200 is adjusted as needed under the cooperation of the first hinge base 201 and the second hinge base 301, and the angle adjustment does not hinder the driving transmission under the assembly of the universal coupling two 311 and the universal coupling one 211, so as not to hinder the operation of driving the first lifting arm 400 and the second lifting arm 500, the lifting wire sleeve 240 is driven to rotate under the cooperation of the worm 220 and the worm gear 230, the lifting lead screw 250 is lifted through the threaded connection, so as to drive the lifting upper plate 260 to lift, and after the mechanical gripper is assembled below the lifting upper plate 260, the corresponding industrial production is convenient for lifting operation, in operation, the lifting of the lifting upper plate 260 is more stable through the limiting of the limiting slide column 280 and the limiting slide sleeve 281, the lifting upper plate 260 is convenient for limiting, the lifting upper plate 260 and the lifting lead screw 250 are prevented from rotating with the lifting wire sleeve 240, and the unexpected protection of the lifting upper plate 260 is convenient for the assembly of the tension spring 270 and the tension head 271, the unexpected falling is prevented, and the use is more safe;

[0040] In operation, the first support arm 200 and the second support arm 300 are combined and assembled, the lower support 110 and the assembly sleeve 100 are assembled, and it is also convenient to disassemble, overhaul and maintain according to the use needs, so that the subsequent use and replacement are more convenient.

[0041] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in the industry can smoothly implement the present application according to the drawings and the above description; however, any equivalent changes, modifications and evolution of the above-mentioned technical content within the scope of the technical solutions of the present application are equivalent embodiments of the present application; at the same time, any equivalent changes, modifications and evolution of the above-mentioned technical content within the scope of the technical solutions of the present application are equivalent embodiments of the present application; at the same time, any equivalent changes, modifications and evolution of the above-mentioned technical content within the scope of the technical solutions of the present application are equivalent embodiments of the present application.

Claims

1. An industrial robot arm, comprising a mounting sleeve (100), characterized in that: The mounting sleeve (100) is hinged to the left and right sides 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 fitted with the same first lifting arm (400) and second lifting arm (500). The top of the mounting sleeve (100) is fitted with a drive box (600). The first lifting arm (400) includes a lifting threaded sleeve (240), which is inserted into the first support arm (200). 200) On the left outer end, inside the lifting sleeve (240), a lifting screw (250) is threadedly inserted. A lifting upper plate (260) is fixed to the bottom of the lifting screw (250). The upper end of the lifting sleeve (240) is fixed to the worm gear (230). A worm (220) is meshed on the side of the worm gear (230). A planetary reducer (610) is connected to the top of the drive box (600). A servo motor (62) is installed at the input end of the planetary reducer (610). 0), the drive box (600) is symmetrically provided with a first moving shaft (602) and a second moving shaft (603) on both sides. The first moving shaft (602) is connected to a 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). The first support arm (200) includes 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 bottom of the first frame (202) are covered with a first sealing plate (203). The second support arm (300) includes 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 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 mounted on the outer wall of the mounting sleeve (100) in an alternating manner through bearings. The outer end of the second moving shaft (603) is also connected to the second rotating shaft (310) via a universal coupling (311). The second rotating shaft (310) is also driven by the second boom (500). The bottom of the mounting sleeve (100) is supported by a lower support (110). An upper support ring (111) is integrally provided on the upper end of the lower support (110). A lower support ring (112) is integrally fixed on the bottom of the lower support (110). Lower screw holes (113) are evenly opened inside the side of the lower support ring (112). The inner top wall of the mounting sleeve (100) An internal stud (101) is integrally fixed, the internal stud (101) is inserted into the upper support ring (111) and fastened by an internal nut (102), and an internal groove (103) corresponding to the internal nut (102) is opened inside the lower support (110). An upper plug (120) is integrally fixed on the top of the lower support (110), the upper plug (120) is inserted into the mounting sleeve (100), and a lower slot (121) is opened inside the mounting sleeve (100). The upper plug (120) and the lower slot (121) are both hexagonal in cross-section. By driving the servo motor (620) in conjunction with the planetary reducer (610) to output stable power to drive the drive box (600) to work, the first moving shaft (602) and the second moving shaft (603) are synchronously driven to rotate the first rotating shaft (210) and the second rotating shaft (310) in conjunction with the universal coupling one (211) and the universal coupling two (311), thereby driving the first boom (400) and the second boom (500) to work.

2. The industrial robot arm according to claim 1, characterized in that: The drive housing (600) is equipped with an upper drive bevel gear (604), a first bevel gear (605), and a second bevel gear (606). The drive shaft (601) is fixed inside the upper drive bevel gear (604). The drive shaft (601) is mounted on the top of the drive housing (600) by bearings, and the upper end of the drive shaft (601) is fixedly connected to the output end of the planetary reducer (610). The first bevel gear (605) and the second bevel gear (606) are respectively fixed to the inner ends of the first moving shaft (602) and the second moving shaft (603). The first moving shaft (602) and the second moving shaft (603) are both mounted on the left and right side walls of the drive housing (600) by bearings.

3. The industrial robot arm according to claim 1, characterized in that: The top of the mounting sleeve (100) is supported by a top support frame (611), and a top plate (612) is fixed on the top of the top support frame (611). A through groove is installed in the middle of the top plate (612), and a mounting bracket (613) is fixed on the upper part of the top plate (612). The mounting bracket (613) covers the outside of the servo motor (620) and is fixed to the servo motor (620) with bolts.

4. The industrial robot arm according to claim 1, characterized in that: Both ends of the worm gear (220) are fitted with bearing brackets (221) on the outer walls of the first rotating shaft (210) and the second rotating shaft (310), 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). The outer wall of the hoisting thread sleeve (240) is fitted with a seated bearing (241), and the seated bearing (241) is fixed on the surface and inner wall of the first support arm (200).

5. The industrial robot arm according to claim 1, characterized in that: The bottom end of the hoisting screw (250) is integrally provided with a hoisting support (251). The hoisting support (251) is assembled and fixed to the hoisting upper plate (260) by bolts. The hoisting upper plate (260) is connected and assembled with a hoisting base plate (262) below it by a hoisting side rod (261). The hoisting side rod (261) is integrally fixed with hoisting feet (264) at both the top and bottom. The hoisting base plate (262) is evenly provided with hoisting screw holes (263) inside.

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

7. The industrial robot arm according to claim 1, characterized in that: A tension spring (270) is installed on the bottom of the outer end of the first support arm (200) and the side of the upper surface of the hoisting plate (260). The tension spring (270) has an assembly pull head (271) at its upper and lower ends respectively. The two sets of assembly pull heads (271) are inserted and assembled inside the side of the hoisting plate (260) and the side of the first support arm (200) and are fastened by nuts.

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