Double-end polishing mechanical arm for air tank assembly

Abstract

The application discloses a double-head polishing mechanical arm for air tank assembly, which comprises a working bin and an angle measuring mechanism. The rear end of the working bin is fixedly connected with a horizontal rod, the rear end of the horizontal rod is fixedly connected with a pin shaft one, the pin shaft one is rotationally connected with the upper end of a vertical rod, the front end of the working bin is fixedly connected with the rear end of an adjusting bin through an angle fine adjustment mechanism, the front end of the adjusting bin is rotationally connected with a rotating column one, the front end of the rotating column one is fixedly connected with a supporting plate, the left and right ends of the supporting plate are both rotationally connected with rotating shafts, the front end of the rotating shaft on the right side is provided with a polishing wheel, and the front end of the rotating shaft on the left side is provided with a cleaning wheel. The double-head polishing mechanical arm for air tank assembly can realize polishing and wiping during air tank assembly, effectively guarantees the polishing precision of air tank assembly, realizes the fine adjustment of polishing and wiping angles during air tank assembly, and effectively improves the polishing precision of the double-head polishing mechanical arm for air tank assembly.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of air tank assembly, in particular to a double-head polishing mechanical arm for air tank assembly. BACKGROUND

[0002] The double-head polishing mechanical arm for air tank assembly is a high-efficiency, stable and reliable automatic device, which is suitable for polishing work in the air tank assembly process, and high-precision positioning and motion track control of the polishing head are realized through an accurate control system and a transmission device, so that the accuracy and stability of the polishing work are improved, meanwhile, the double-head polishing device and the automatic control system improve the work efficiency and reduce the production cost, and in the use process, the safety operation regulations should be strictly followed to ensure the safety of the operators.

[0003] The existing double-head polishing mechanical arm for air tank assembly adopts a two-polishing-unit mode to polish during the air tank assembly process.

[0004] The traditional double-head polishing mechanical arm for air tank assembly has some problems, for example, the two-polishing-unit mode may affect the subsequent polishing effect of the air tank, and then may affect the polishing efficiency of the double-head polishing mechanical arm for air tank assembly. SUMMARY

[0005] The technical problem to be solved by the application is to overcome the existing defects, provide a double-head polishing mechanical arm for air tank assembly, realize polishing and wiping during the air tank assembly process, effectively guarantee the polishing precision of the air tank assembly, simultaneously realize the fine adjustment of the polishing and wiping angles during the air tank assembly process, effectively improve the polishing precision of the double-head polishing mechanical arm for air tank assembly, and effectively solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: a double-head polishing mechanical arm for air tank assembly, comprising a working bin and an angle measuring mechanism.

[0007] The working bin is fixedly connected with a cross rod at the rear end, the rear end of the cross rod is fixedly connected with a pin shaft one, the pin shaft one is rotationally connected with the upper end of a vertical rod, the front end of the working bin is fixedly connected with the rear end of an adjusting bin through an angle fine adjustment mechanism, the front end of the adjusting bin is rotationally connected with a rotating column one, the front end of the rotating column one is fixedly connected with a supporting plate, the left and right ends of the supporting plate are both rotationally connected with rotating shafts, the front end of the right rotating shaft is provided with a polishing wheel, and the front end of the left rotating shaft is provided with a cleaning wheel.

[0008] The angle measuring mechanism is arranged between the adjusting bin and the rotating column one, can realize polishing and wiping during the air tank assembly process, effectively guarantee the polishing precision of the air tank assembly, simultaneously realize the fine adjustment of the polishing and wiping angles during the air tank assembly process, and effectively improve the polishing precision of the double-head polishing mechanical arm for air tank assembly.

[0009] Further, a controller is arranged on the lower side of the crossbar, the input of the controller is electrically connected with the external power supply, and the controller controls the various electric appliances.

[0010] Further, the angle fine adjustment mechanism comprises notches, an adjusting arc plate, guide grooves, supports and fixing rods, the notches are arranged at the front end of the working bin, the rear end of the notch is fixedly connected with symmetrically distributed fixing seats, the supports are symmetrically fixedly connected to the inner wall of the rear side of the working bin, the fixing rods are fixedly connected between the two fixing seats and between the two supports, the adjusting arc plate is fixedly connected to the rear end of the adjusting bin, the adjusting arc plate is located inside the notch, the guide grooves are arranged in the adjusting arc plate, the middle part of the fixing rods is slidably connected with the inside of the guide grooves, the angle fine adjustment of the adjusting bin is realized, and then the angle fine adjustment of the polishing wheel and the cleaning wheel is realized.

[0011] Further, the angle fine adjustment mechanism further comprises a rack plate, a drive gear and a motor one, the rack plate is fixedly connected to the rear end of the adjusting arc plate, the drive gear is rotatably connected between the two supports through a drive shaft, the drive gear and the rack plate are meshingly connected, the motor one is arranged at the rear end of the left support, the output shaft of the motor one is fixedly connected with the left end of the drive shaft, the input of the motor one is electrically connected with the output of the controller, and driving force is provided for the angle fine adjustment of the polishing wheel and the cleaning wheel.

[0012] Further, the angle measurement mechanism comprises an angle sensor, a measurement gear and a gear, the angle sensor is arranged at the left end of the front inner wall of the adjusting bin, the measurement gear is fixedly connected with the measurement shaft of the angle sensor, the gear is fixedly connected to the rear end of the rotating column one, the gear and the measurement gear are meshingly connected, the angle sensor is bidirectionally electrically connected with the controller, and the measurement of the rotation angle of the polishing wheel and the cleaning wheel around the rotating column one is realized.

[0013] Further, the rear surface of the support plate is provided with the motor two at the left end and the right end, the output shaft of the motor two is fixedly connected with the rear end of the longitudinally adjacent rotating shaft, the input of the motor two is electrically connected with the output of the controller, and driving force is provided for the rotation of the polishing wheel and the cleaning wheel.

[0014] Further, the middle part of the front inner wall of the adjusting bin is provided with the motor three, the output shaft of the motor three is fixedly connected with the rear end of the rotating column one, the input of the motor three is electrically connected with the output of the controller, and driving force is provided for the rotation of the polishing wheel and the cleaning wheel around the rotating column one.

[0015] Further, the lower end of the vertical rod is fixedly connected with a pin shaft two, the pin shaft two is rotationally connected with the connecting seat, the lower end of the connecting seat is fixedly connected with a rotating cylinder, the lower end of the rotating cylinder is fixedly connected with a rotating column two, the lower end of the rotating column two is rotationally connected with the upper end of the fixed bin, the upper end of the fixed bin is fixedly connected with a sliding rail, the top wall of the rotating cylinder is fixedly connected with a rib, the rib is slidingly connected with the sliding rail, the top wall of the fixed bin is provided with a motor six, the output shaft of the motor six is fixedly connected with the lower end of the rotating column two, the input end of the motor six is electrically connected with the output end of the controller, the lower end of the fixed bin is fixedly connected with evenly distributed base plates, the inside of the base plates is provided with evenly distributed mounting holes, realizing the horizontal rotation of the whole mechanical arm, and facilitating the installation of the mechanical arm.

[0016] Further, the upper end of the vertical rod is provided with a motor four, the output shaft of the motor four is fixedly connected with the right end of the pin shaft one, the right side of the connecting seat is provided with a motor five, the output shaft of the motor five is fixedly connected with the right end of the pin shaft two, the input ends of the motor four and the motor five are electrically connected with the output end of the controller, realizing the angle adjustment of the horizontal rod and the vertical rod.

[0017] Compared with the prior art, the double-head polishing mechanical arm for gas tank assembly has the following advantages:

[0018] 1、The personnel closes the motor one through the controller, realizes the operation of the motor two, the output shaft rotation of the motor two drives the rotation of the vertically adjacent rotating shafts, the rotation of the rotating shafts drives the rotation of the corresponding polishing wheels and cleaning wheels, realizes the polishing and wiping of the gas tank assembly position, then the controller realizes the operation of the motor three, the output shaft rotation of the motor three drives the rotation of the rotating column one, the rotation of the rotating column one drives the rotation of the supporting plate, the rotation of the supporting plate realizes the position adjustment of the polishing wheels and the cleaning wheels through the rotating shafts, at the same time, the controller realizes the operation of the angle sensor, the rotation of the rotating column one drives the rotation of the gear, the rotation of the gear drives the rotation of the measuring gear, the rotation of the measuring gear drives the rotation of the measuring shaft, the angle sensor realizes the measurement of the rotation angle of the rotating column one according to the gear ratio of the measuring gear and the gear, at the same time, the angle sensor realizes the real-time monitoring of the rotation angle information of the rotating column one, and the monitoring information is transmitted to the signal receiving end of the controller in real time, thereby realizing the accurate position control of the polishing wheels and the cleaning wheels, and the polishing and wiping in the gas tank assembly process can be realized, and the polishing precision of the gas tank assembly is effectively ensured.

[0019] 2, personnel can controller realizes motor one operation, the output shaft of motor one rotates and drives the rotation of the drive shaft, the drive shaft rotates and drives the rotation of the drive gear, the meshing of the drive gear and the rack plate makes the adjusting arc plate rotate, and the fixed rods slide in the guide grooves to provide a guide for the rotation of the adjusting arc plate, the rotation of the adjusting arc plate drives the rotation of the adjusting bin, the rotation of the adjusting bin realizes the rotation of the polishing wheel and the cleaning wheel, and further realizes the vertical angle fine adjustment of the polishing wheel and the cleaning wheel, so that the polishing and wiping angles in the air tank assembly process can be finely adjusted, and the polishing precision of the double-head polishing mechanical arm for air tank assembly is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present application.

[0021] Figure 2 It is a sectional structural schematic diagram of the present application.

[0022] Figure 3 It is an enlarged structural schematic diagram of A of the present application.

[0023] Figure 4 It is an enlarged structural schematic diagram of B of the present application.

[0024] In the figure: 1 working bin, 2 adjusting bin, 3 angle fine adjustment mechanism, 31 notch, 32 adjusting arc plate, 33 guide groove, 34 rack plate, 35 drive gear, 36 support, 37 fixed rod, 38 motor one, 4 angle measurement mechanism, 41 angle sensor, 42 measurement gear, 43 gear, 5 rotating column one, 6 support plate, 7 rotating shaft, 8 polishing wheel, 9 cleaning wheel, 10 motor two, 11 motor three, 12 cross rod, 13 pin shaft one, 14 motor four, 15 vertical rod, 16 pin shaft two, 17 connecting seat, 18 motor five, 19 rotating drum, 20 fixed bin, 21 sliding rail, 22 rotating column two, 23 motor six, 24 base plate, 25 controller. DETAILED DESCRIPTION

[0025] 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 other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figures 1-4 The present embodiment provides a technical solution: a double-head polishing mechanical arm for air tank assembly, which comprises a working bin 1 and an angle measurement mechanism 4.

[0027] The working bin 1 is fixedly connected with a horizontal rod 12 at the rear end, the horizontal rod 12 is fixedly connected with a pin shaft one 13 at the rear end, the pin shaft one 13 is rotationally connected with the upper end of a vertical rod 15, the front end of the working bin 1 is fixedly connected with the rear end of the adjusting bin 2 through the angle fine adjustment mechanism 3, the front end of the adjusting bin 2 is rotationally connected with a rotating column one 5, the front end of the rotating column one 5 is fixedly connected with a support plate 6, the left and right ends of the support plate 6 are both rotationally connected with rotating shafts 7, the front end of the rotating shaft 7 on the right side is provided with a grinding wheel 8, and the front end of the rotating shaft 7 on the left side is provided with a cleaning wheel 9;

[0028] The angle measuring mechanism 4 is arranged between the adjusting bin 2 and the rotating column one 5, the angle measuring mechanism 4 comprises an angle sensor 41, a measuring gear 42 and a gear 43, the angle sensor 41 is arranged at the left end of the front side inner wall of the adjusting bin 2, the measuring shaft of the angle sensor 41 is fixedly connected with the measuring gear 42, the gear 43 is fixedly connected to the rear end of the rotating column one 5, the gear 43 is in meshing connection with the measuring gear 42, the angle sensor 41 is bidirectionally electrically connected with a controller 25, the controller 25 turns off the motor one 38 and realizes the operation of a motor two 10, the output shaft of the motor two 10 rotationally drives the rotation of the rotating shafts 7 which are longitudinally adjacent, the rotating shafts 7 rotationally drive the rotation of the corresponding grinding wheels 8 and cleaning wheels 9, the position of the air tank assembly is grinded and wiped, then the controller 25 realizes the operation of a motor three 11, the output shaft of the motor three 11 rotationally drives the rotation of the rotating column one 5, the rotating column one 5 rotationally drives the rotation of the support plate 6, the rotation of the support plate 6 realizes the position adjustment of the grinding wheels 8 and the cleaning wheels 9 through the rotating shafts 7, at the same time, the controller 25 realizes the operation of the angle sensor 41, the rotating column one 5 rotationally drives the rotation of the gear 43, the gear 43 rotationally drives the rotation of the measuring gear 42, the measuring gear 42 rotationally drives the rotation of the measuring shaft 41, according to the gear ratio of the measuring gear 42 and the gear 43, the angle sensor 41 realizes the measurement of the rotation angle of the rotating column one 5, at the same time, the angle sensor 41 monitors the rotation angle information of the rotating column one 5 in real time and transmits the monitoring information to the signal receiving end of the controller 25 in real time, thereby realizing the accurate position control of the grinding wheels 8 and the cleaning wheels 9;

[0029] The controller 25 is arranged on the lower side of the horizontal rod 12, the input end of the controller 25 is electrically connected with an external power supply;

[0030] The angle fine adjustment mechanism 3 comprises notches 31, adjustment arc plates 32, guide grooves 33, supports 36 and fixed rods 37. The notches 31 are arranged at the front end of the working bin 1. The rear end of each notch 31 is fixedly connected with a fixed seat which is symmetrically distributed. The supports 36 are symmetrically and fixedly connected to the inner rear side wall of the working bin 1. Each fixed rod 37 is fixedly connected between two fixed seats which are transversely adjacent or between two supports 36. The adjustment arc plate 32 is fixedly connected to the rear end of the adjustment bin 2 and located inside the notch 31. The inside of the adjustment arc plate 32 is provided with the guide groove 33. The middle part of the fixed rod 37 is slidingly connected with the inside of the guide groove 33. The angle fine adjustment mechanism 3 further comprises a rack plate 34, a drive gear 35 and a motor one 38. The rack plate 34 is fixedly connected to the rear end of the adjustment arc plate 32. The drive gear 35 is rotatably connected between the two supports 36 through a drive shaft. The drive gear 35 is in meshing connection with the rack plate 34. The motor one 38 is arranged at the rear end of the left support 36. The output shaft of the motor one 38 is fixedly connected with the left end of the drive shaft. The input end of the motor one 38 is electrically connected with the output end of the controller 25. When the motor one 38 operates, the output shaft of the motor one 38 drives the drive shaft to rotate, which drives the drive gear 35 to rotate. Under the meshing action of the drive gear 35 and the rack plate 34, the adjustment arc plate 32 rotates, and at the same time, the fixed rod 37 slides in the guide groove 33 to provide a guide action for the rotation of the adjustment arc plate 32. The rotation of the adjustment arc plate 32 drives the rotation of the adjustment bin 2, which realizes the rotation of the polishing wheel 8 and the cleaning wheel 9, and further realizes the vertical angle fine adjustment of the polishing wheel 8 and the cleaning wheel 9.

[0031] The left and right ends of the rear surface of the support plate 6 are each provided with a motor two 10. The output shaft of the motor two 10 is fixedly connected with the rear end of the longitudinally adjacent rotating shaft 7. The input end of the motor two 10 is electrically connected with the output end of the controller 25.

[0032] The middle part of the front inner wall of the adjustment bin 2 is provided with a motor three 11. The output shaft of the motor three 11 is fixedly connected with the rear end of the rotating column one 5. The input end of the motor three 11 is electrically connected with the output end of the controller 25.

[0033] The lower end of the vertical rod 15 is fixedly connected with a pin shaft two 16 which is rotatably connected with a connecting seat 17. The lower end of the connecting seat 17 is fixedly connected with a rotating cylinder 19. The lower end of the rotating cylinder 19 is fixedly connected with a rotating column two 22. The lower end of the rotating column two 22 is rotatably connected with the upper end of a fixed bin 20. The upper end of the fixed bin 20 is fixedly connected with a sliding rail 21. The top wall of the rotating cylinder 19 is fixedly connected with a rib which is slidingly connected with the sliding rail 21. The top wall of the fixed bin 20 is provided with a motor six 23. The output shaft of the motor six 23 is fixedly connected with the lower end of the rotating column two 22. The input end of the motor six 23 is electrically connected with the output end of the controller 25. The lower end of the fixed bin 20 is fixedly connected with evenly distributed base plates 24. The inside of each base plate 24 is provided with evenly distributed mounting holes.

[0034] The upper end of the vertical rod 15 is provided with a motor four 14, the output shaft of the motor four 14 is fixedly connected with the right end of the pin shaft one 13, the right side of the connecting seat 17 is provided with a motor five 18, the output shaft of the motor five 18 is fixedly connected with the right end of the pin shaft two 16, the input ends of the motor four 14 and the motor five 18 are electrically connected with the output end of the controller 25, the motor five 18 and the motor four 14 operate, the output shaft of the motor five 18 rotates to drive the pin shaft two 16 to rotate, the pin shaft two 16 rotates to drive the vertical rod 15 to rotate longitudinally, the output shaft of the motor four 14 rotates to drive the pin shaft one 13 to rotate, and then drives the horizontal rod 12 to rotate longitudinally, and the motor five 18 and the motor four 14 cooperate to realize longitudinal angle adjustment and vertical height adjustment of the polishing wheel 8 and the cleaning wheel 9.

[0035] The working principle of the double-head polishing mechanical arm for air tank assembly provided by the application is as follows: in working, personnel stably connect the mounting hole in the base plate 24 with the threaded hole of the horizontal working area through a bolt, so as to realize the stable installation of the fixed bin 21, the vertical rod 15 and other mechanisms; after stable installation, personnel realize the operation of the motor 6 23 through the controller 25; the output shaft of the motor 6 23 rotates to drive the rotation of the rotating column 2 22, so as to drive the rotation of the rotating drum 19, the rotation of the rotating drum 19 enables the rib to rotate transversely in the sliding rail 21, the rotating drum 19 drives the rotation of the connecting seat 17, so as to drive the rotation of the vertical rod 15, the rotation of the vertical rod 15 drives the rotation of the horizontal rod 12, the rotation of the horizontal rod 12 drives the rotation of the working bin 1, so as to drive the transverse rotation of the adjusting bin 2, the transverse rotation of the adjusting bin 2 drives the horizontal rotation of the support plate 6 through the rotating column 1 5, the horizontal rotation of the support plate 6 drives the horizontal rotation of the polishing wheel 9 and the cleaning wheel 8 through the rotating shaft 7; when the polishing wheel 9 and the cleaning wheel 8 are moved to the required transverse position, the controller 25 stops the motor 6 23 and realizes the operation of the motor 5 18 and the motor 4 14; the output shaft of the motor 5 18 rotates to drive the rotation of the pin shaft 2 16, the rotation of the pin shaft 2 16 drives the longitudinal rotation of the vertical rod 15, the output shaft of the motor 4 14 rotates to drive the rotation of the pin shaft 1 13, so as to drive the longitudinal rotation of the horizontal rod 12; the motor 5 18 and the motor 4 14 cooperate to realize the longitudinal angle adjustment and vertical height adjustment of the polishing wheel 8 and the cleaning wheel 9; when the polishing wheel 8 and the cleaning wheel 9 are rotated to the required position, the controller 25 stops the motor 5 18 and the motor 4 14, and then the controller 25 realizes the operation of the motor 1 38; the output shaft of the motor 1 38 rotates to drive the rotation of the driving shaft, the rotation of the driving shaft drives the rotation of the driving gear 35, the meshing of the driving gear 35 and the rack plate 34 enables the adjusting arc plate 32 to rotate, at the same time, the fixed rods 37 slide in the guide grooves 33 to provide a guide for the rotation of the adjusting arc plate 32; the rotation of the adjusting arc plate 32 drives the rotation of the adjusting bin 2, the rotation of the adjusting bin 2 realizes the rotation of the polishing wheel 8 and the cleaning wheel 9, so as to realize the vertical angle fine adjustment of the polishing wheel 8 and the cleaning wheel 9; when the polishing wheel 8 and the cleaning wheel 9 are rotated to the required position, the controller 25 stops the motor 1 38 and realizes the operation of the motor 2 10; the output shaft of the motor 2 10 rotates to drive the rotation of the longitudinally adjacent rotating shaft 7, the rotation of the rotating shaft 7 drives the rotation of the corresponding polishing wheel 8 and cleaning wheel 9, so as to realize the polishing and wiping of the air tank assembly position; then the controller 25 realizes the operation of the motor 3 11; the output shaft of the motor 3 11 rotates to drive the rotation of the rotating column 1 5, the rotation of the rotating column 1 5 drives the rotation of the support plate 6, the rotation of the support plate 6 realizes the position adjustment of the polishing wheel 8 and the cleaning wheel 9 through the rotating shaft 7, at the same time, the controller 25 realizes the operation of the angle sensor 41; the rotation of the rotating column 1 5 drives the rotation of the gear 43, the rotation of the gear 43 drives the rotation of the measuring gear 42, the rotation of the measuring gear 42 drives the rotation of the measuring shaft 41; according to the gear ratio of the measuring gear 42 and the gear 43, the angle sensor 41 realizes the measurement of the rotation angle of the rotating column 1 5.Meanwhile, the angle sensor 41 monitors the rotating angle information of the rotating column 5 in real time, and transmits the monitoring information to the signal receiving end of the controller 25 in real time, so as to realize the accurate position control of the polishing wheel 8 and the cleaning wheel 9.

[0036] It is worth noting that the motor 38 and the motor 11 disclosed in the above embodiments can be selected as N20 motors, the angle sensor 41 can be selected as a LAT216T angle sensor, the motor 10 can be selected as a LIKO MOTOR57 two-phase stepping motor, the motor 14, the motor 18 and the motor 23 can be selected as RS-380PH motors, and the controller 25 controls the working of the motor 38, the angle sensor 41, the motor 10, the motor 11, the motor 14, the motor 18 and the motor 23 by using the method commonly used in the prior art.

[0037] The above description is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent flow transformation obtained by using the content of the specification and the drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A dual-head grinding robotic arm for air box assembly, characterized in that: It include work bin (1) and angle measuring mechanism (4); The rear end of the work bin (1) is fixedly connected with a cross rod (12), the rear end of the cross rod (12) is fixedly connected with a pin shaft (13), the pin shaft (13) is rotatably connected with the upper end of a vertical rod (15), the front end of the work bin (1) is fixedly connected with the rear end of an adjusting bin (2) through an angle fine adjustment mechanism (3), the front end of the adjusting bin (2) is rotatably connected with a rotating column (5), the front end of the rotating column (5) is fixedly connected with a supporting plate (6), the left and right ends of the supporting plate (6) are rotatably connected with rotating shafts (7), the front end of the right rotating shaft (7) is provided with a grinding wheel (8), and the front end of the left rotating shaft (7) is provided with a cleaning wheel (9); The angle measuring mechanism (4) is arranged between the adjusting bin (2) and the rotating column (5); A controller (25) is arranged on the lower side of the cross rod (12), and the input end of the controller (25) is electrically connected with an external power supply; The angle fine adjustment mechanism (3) comprises notches (31), an adjusting arc plate (32), guide grooves (33), a rack plate (34), a driving gear (35), supports (36), fixed rods (37) and a motor (38), the notches (31) are arranged at the front end of the work bin (1), the rear end of each notch (31) is fixedly connected with a fixed seat, the supports (36) are fixedly connected to the inner wall of the rear side of the work bin (1), the fixed rods (37) are fixedly connected between the two fixed seats and between the two supports (36), the adjusting arc plate (32) is fixedly connected to the rear end of the adjusting bin (2), the adjusting arc plate (32) is arranged in the notches (31), the guide grooves (33) are arranged in the adjusting arc plate (32), and the middle portions of the fixed rods (37) are slidably connected with the guide grooves (33); the rack plate (34) is fixedly connected to the rear end of the adjusting arc plate (32), the driving gear (35) is rotatably connected between the two supports (36) through a driving shaft, the driving gear (35) and the rack plate (34) are in meshing connection, the motor (38) is arranged at the rear end of the left support (36), the output shaft of the motor (38) is fixedly connected with the left end of the driving shaft, and the input end of the motor (38) is electrically connected with the output end of the controller (25); The angle measuring mechanism (4) comprises an angle sensor (41), a measuring gear (42) and a gear (43), the angle sensor (41) is arranged at the left end of the front inner wall of the adjusting bin (2), the measuring shaft of the angle sensor (41) is fixedly connected with the measuring gear (42), the gear (43) is fixedly connected to the rear end of the rotating column (5), the gear (43) is in meshing connection with the measuring gear (42), and the angle sensor (41) is bidirectionally electrically connected with the controller (25).

2. The double-end polishing mechanical arm for assembling gas tank according to claim 1, characterized in that: The rear side surface of the supporting plate (6) is provided with a motor (10) at the left and right ends, the output shafts of the motors (10) are fixedly connected with the rear ends of the longitudinally adjacent rotating shafts (7), and the input ends of the motors (10) are electrically connected with the output ends of the controller (25).

3. The double-end polishing mechanical arm for assembling gas tank according to claim 1, characterized in that: The middle part of the inner wall of the front side of the adjusting bin (2) is provided with motor three (11), the output shaft of motor three (11) is fixedly connected with the rear end of rotating column one (5), and the input end of motor three (11) is electrically connected with the output end of the controller (25).

4. The double-end polishing mechanical arm for assembling gas tank according to claim 1, characterized in that: The lower end of the vertical rod (15) is fixedly connected with the pin shaft two (16), the pin shaft two (16) is rotatably connected with the connecting seat (17), the lower end of the connecting seat (17) is fixedly connected with the rotating cylinder (19), the lower end of the rotating cylinder (19) is fixedly connected with the rotating column two (22), the lower end of the rotating column two (22) is rotatably connected with the upper end of the fixed bin (20), the upper end of the fixed bin (20) is fixedly connected with the slide rail (21), the top wall of the rotating cylinder (19) is fixedly connected with the rib, the rib is slidably connected with the slide rail (21), the top wall of the fixed bin (20) is provided with motor six (23), the output shaft of motor six (23) is fixedly connected with the lower end of the rotating column two (22), the input end of motor six (23) is electrically connected with the output end of the controller (25), and the lower end of the fixed bin (20) is fixedly connected with the uniformly distributed base plate (24). The inside of the base plate (24) is provided with uniformly distributed mounting holes.

5. The double-end polishing mechanical arm for assembling gas tank according to claim 4, characterized in that: The upper end of the vertical rod (15) is provided with motor four (14), the output shaft of motor four (14) is fixedly connected with the right end of the pin shaft one (13), the right side of the connecting seat (17) is provided with motor five (18), the output shaft of motor five (18) is fixedly connected with the right end of the pin shaft two (16), and the input ends of motor four (14) and motor five (18) are electrically connected with the output end of the controller (25).

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