Assembly line type automatic smoothing machine

Abstract

The invention discloses an assembly line type automatic smoothing machine which comprises a machine frame, a piece taking mechanism arranged in the machine frame, a smoothing mechanism and a traveling mechanism arranged on the machine frame, the smoothing mechanism is formed by connecting a plurality of smoothing units in series, each smoothing unit is provided with a rolling barrel assembly and two sets of driving assemblies, and the traveling mechanism is movably connected to the machine frame. The travelling crane mechanism is movably connected with a grabhook assembly used for grabbing workpieces, so that the workpieces are conveyed between the workpiece taking mechanism and the smoothing mechanism and among the multiple smoothing units. The roller assembly is driven by the two sets of driving assemblies to enable the roller to rotate automatically and rotate around the middle shaft, the best polishing effect is achieved while automatic polishing is achieved, the travelling crane mechanism drives the gripper assembly to move, workpieces can be subjected to assembly line polishing on the multiple smoothing units, and in addition, the polishing efficiency is improved. And the rolling barrel is arranged to be a polygonal cylinder, so that grinding materials in the rolling barrel can polish the surface of a workpiece in a more omnibearing manner, and more effective high-speed polishing is realized.

Description

Technical Field

[0001] The invention relates to the technical field of polishing machine equipment, and in particular to an assembly line type automatic polishing machine. Background Art

[0002] The polishing machine is a new type of polishing equipment. Compared with the transmission grinding and polishing process, the process of the polishing machine is relatively simple. It has the advantages of producing consistent mirror effect of processed workpieces, good working environment, low requirements on worker proficiency, reduced labor intensity of workers, and low consumption cost.

[0003] However, the existing polishing machines have the following problems: (1) The transmission mode of the transmission polishing machine is that the main shaft does not move, and the transmission is only between the bearing structures, which makes the bearing structure subject to a large force and prone to deformation, which in turn causes the polishing machine to be easily damaged; (2) The existing polishing machine is limited to one polishing mechanism to polish the workpiece, and it is impossible to perform assembly line polishing, and manual operation is required to remove the workpiece; (3) The drum structure of the existing polishing machine has only four impact surfaces, which does not impact the workpiece comprehensively. It takes a long time to polish the workpiece to achieve the required polishing effect, resulting in low polishing efficiency. Summary of the invention

[0004] The purpose of the present invention is to provide an assembly line type automatic polishing machine to solve the problems existing in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides an assembly line type automatic polishing machine, comprising a frame, a piece picking mechanism arranged in the frame, a polishing mechanism and a driving mechanism arranged on the frame, wherein the piece picking mechanism comprises a piece picking unit arranged on one side of the polishing mechanism, the polishing mechanism is composed of a plurality of polishing units connected in series, the driving mechanism is movably connected to the frame, and a gripper assembly for grabbing a workpiece is movably connected to the driving mechanism, and the driving mechanism connects the piece picking mechanism with the polishing mechanism and the plurality of polishing units;

[0006] The picking unit comprises a first bracket, on which a first roller assembly and a driving assembly for driving the first roller assembly to rotate are arranged, the first roller assembly comprises two first rotating disks and a first central axis, a first roller and a first connecting roller arranged between the two first rotating disks, the first central axis is arranged at the center of the first rotating disk, and one end of the first central axis passes through the first rotating disk and is connected to the first driving wheel, the first driving wheel is connected to a positioning seat installed on the first bracket at one end away from the first central axis through a sprocket transition axis, the first roller has four, and the centers of both ends of the first roller are connected with the first roller shaft, the end of the first roller shaft away from the first roller passes through the first rotating disk and is connected to the first driven wheel, two adjacent first driven wheels are driven by the same transmission belt and the first driving wheel, two groups of tensioning assemblies for adjusting the tension of the transmission belt are symmetrically installed on the side of the first rotating disk passing through the first driving wheel and the first driven wheel away from the first roller, the first connecting roller has four, and a first connecting roller is arranged between every two first rollers;

[0007] The slitting unit comprises a second bracket, a second roller assembly is arranged on the second bracket, the second roller assembly comprises two second rotating disks and a second central axis, a second roller and a second connecting roller arranged between the two second rotating disks, the second central axis is arranged at the center of the second rotating disk, and one end of the second central axis passes through the second rotating disk and is connected to the second driving wheel, the second roller has four, and the centers of both ends of the second roller are connected to the second roller shaft, the end of the second roller shaft away from the second roller passes through the second rotating disk and is connected to the second driven wheel, two adjacent second driven wheels are connected to the second driving wheel through the same transmission belt, two groups of tensioning assemblies for adjusting the tension of the transmission belt are symmetrically installed on the side of the second rotating disk away from the second roller through which the second driving wheel and the second driven wheel are passed, the second connecting roller has four, and a second connecting roller is arranged between every two second rollers, and a first driving assembly for driving the second driving wheel to rotate and a second driving assembly for driving the second central axis to rotate are arranged on both sides of the second roller assembly on the second bracket;

[0008] The shapes of the first drum and the second drum are both polygonal cylinders, and the first drum and the second drum both include a drum body, the drum body includes a barrel body and a top cover which are symmetrically arranged in shape, barrel plates for connecting to the first drum rotating shaft or the second drum rotating shaft are arranged at the left and right ends of the barrel body, extension plates are arranged at the front and rear sides of the top of the barrel body, one of the extension plates is provided with a plurality of joint bearings, and the other extension plate is provided with a plurality of first grooves, a mounting block is arranged in the first groove, and a quick clamp is arranged on the mounting block, a rubber barrel is arranged in the barrel body, a rubber barrel panel is sleeved on the outer side of the top of the rubber barrel, a second groove corresponding to the first groove is arranged on the rubber barrel panel, a sealing ring is arranged on the inner side of the top of the rubber barrel, the top cover is connected to the top of the barrel body, and a top rubber cover is arranged in the top cover, a ventilation plate is arranged on the top surface of the top cover, and ventilation holes which are interconnected are arranged on the top cover, and a plurality of top cover buckles for being clamped by the quick clamp are arranged on the top of the top cover;

[0009] The driving mechanism includes a mobile frame arranged on the top of the frame, a first support plate is arranged on the left and right sides of the mobile frame, and a second support plate is arranged in the middle of the mobile frame, wherein the first support plate is movably connected with a movable plate, and a third driving component that drives the movable plate to move up and down is arranged on the mobile frame, the two movable plates are connected by a middle beam, and a claw assembly is arranged under the two movable plates, and the claws of the two claw assemblies are arranged opposite to each other, wheels are symmetrically arranged on the front and rear sides of the mobile frame, and the wheels are rotatably connected to the outer bottom of the mobile frame, a light rail for wheel walking is arranged on the top of the frame, and a fourth driving component that drives the mobile frame to move is arranged on the top of the frame.

[0010] As a preferred technical solution of the present invention, the driving assembly includes a first reduction motor installed on the top of the first bracket, the rotating shaft of the first reduction motor is connected to the first pulley shaft through a transmission belt, the first pulley shaft is connected to one end of the first middle shaft through a connecting plate, and the other end of the first middle shaft is connected to the seat bearing.

[0011] As a preferred technical solution of the present invention, the first driving component includes a first sprocket transition shaft, one end of the first sprocket transition shaft is connected to the end of the first driving wheel away from the second middle axis, and the other end of the first sprocket transition shaft is connected to a first connecting disk, a bearing seat is arranged on the first sprocket transition shaft, and the first sprocket transition shaft is connected to the bearing seat through a deep groove ball bearing, the bearing seat is installed on the top of the second bracket through an adjusting component, a first seat bearing is arranged on the top of the second bracket, the first seat bearing is rotatably connected with the sprocket shaft, a first passive sprocket is arranged between the shaft disk of the sprocket shaft and the first connecting disk, and the first passive sprocket is fixed between the shaft disk of the sprocket shaft and the first connecting disk through a latch assembly, a second reduction motor is installed on the top of the second bracket, a first driving sprocket is arranged on the rotating shaft of the second reduction motor, and the first driving sprocket is transmission-connected to the first passive sprocket through a first transmission chain.

[0012] As a preferred technical solution of the present invention, the second driving assembly includes a second seat bearing installed on the top of the second bracket, the second seat bearing is rotatably connected to the second pulley shaft, one end of the second pulley shaft is connected to the pulley plate, and the second pulley shaft is located between the second pulley shaft and the pulley plate and is installed with the first pulley, the second central axis passes through the second rotating disk and is connected to the second connecting disk near the second driving assembly, the shaft disk of the second pulley shaft and the second connecting disk are connected by a latch assembly, the second central axis is located between the second rotating disk and the second connecting disk and is provided with a bearing seat, and the second central axis is connected to the bearing seat through a deep groove ball bearing, the bearing seat is installed on the top of the second bracket through an adjusting assembly, and a three-phase asynchronous motor is installed on the side of the second bracket, a second pulley is provided on the rotating shaft of the three-phase asynchronous motor, and the second pulley is connected to the first pulley through a conveyor belt.

[0013] As a preferred technical solution of the present invention, the third driving assembly includes three piece picking bearing seats respectively arranged on the two first support plates and the second support plates, wherein the horizontal cross-sections of the two piece picking bearing seats located on the two first support plates are both U-shaped, and the U-shaped openings of the two piece picking bearing seats are arranged opposite to each other, the piece picking bearing seats are located at the upper and lower parts of the inner side of the U-shaped opening and are rotatably connected to two deep groove ball bearings respectively, the piece picking bearing seats are located at the outer side of the U-shaped opening and are rotatably connected with spur teeth, a rack is arranged between the deep groove ball bearing and the spur teeth, and the rack is meshed with the spur teeth, the rack passes through the first support plate and extends to the rack seat installed on the movable plate, the spur teeth pass through the piece picking bearing seat through the rack shaft and are connected to the first sprocket, the second sprockets are respectively arranged on the front and rear sides of the piece picking bearing seat located on the second support plate, the two second sprockets are connected through the rack shaft, a stepping motor is arranged on one side of the movable frame, the rotating shaft of the stepping motor is connected to one of the second sprockets through a connecting shaft, and the two second sprockets are respectively connected to the two first sprockets through a second transmission chain.

[0014] As a preferred technical solution of the present invention, the two first support plates are located on both sides of the piece-picking bearing seat and have two lifting shafts symmetrically arranged, two sleeves are symmetrically arranged on the first support plate, and the sleeves are vertically connected to the top of the first support plate, and the two lifting shafts successively pass through the corresponding sleeves and the first support plate and are connected to the movable plate.

[0015] As a preferred technical solution of the present invention, the fourth driving assembly includes a third reduction motor installed on the rear side of one end of the top of the frame, the frame is located at the front side of the same end of the third reduction motor and is rotatably connected to the second driving sprocket, and the frame is located at the front and rear sides of the other end of the top of the frame and is rotatably connected to the second passive sprocket, wherein the second passive sprocket located on the front side is transmission-connected to the rotating shaft of the third reduction motor through a third transmission chain, and the second passive sprocket located on the rear side is transmission-connected to the second driving sprocket through the third transmission chain, and the bottom of the mobile frame is connected to the third transmission chain.

[0016] As a preferred technical solution of the present invention, the gripper assembly also includes a cylinder seat fixed under the movable plate, a first cylinder is installed on a side of the cylinder seat away from the gripper, shaft sleeves sleeved in the guide shaft seat are respectively arranged on both sides of the first cylinder, the shaft sleeves are sleeved with guide shafts, a guide plate is arranged between the cylinder seat and the gripper, the guide plate and the gripper are both provided with guide holes for the guide shaft to pass through, and the piston rod of the first cylinder successively passes through the cylinder seat, the guide plate and the gripper to be connected.

[0017] As a preferred technical solution of the present invention, the adjusting assembly includes adjusting blocks and clamping blocks on both sides of the bearing seat, the clamping block is connected to the piston rod of the second cylinder through a clamping rod on the side away from the bearing seat, a hook connecting plate is sleeved on the clamping rod, and a hook is provided on the second bracket below the bearing seat, one end of the hook is connected to the bottom of the hook connecting plate, and the other end is connected to the bottom of the adjusting block, and the second bracket is located below the bearing seat and is also provided with a hook bearing group for hook positioning.

[0018] As a preferred technical solution of the present invention, the latch assembly includes a plurality of latches installed on the second pulley shaft or the sprocket shaft, a plurality of the latches are provided with tightening rings, the second bracket is located on both sides of the second pulley shaft or the sprocket shaft and is provided with a third cylinder, and the piston rods of the two third cylinders are connected to the extension plates on both sides of the tightening ring.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] (1) The present invention provides a second rotating disk, a second central axis, a second roller, a second driving assembly that drives the second central axis to rotate, a second driving wheel connected to the second central axis, a first driving assembly that drives the second driving wheel to rotate, a second passive wheel connected to the second roller, and a transmission belt for connecting two adjacent second passive wheels to the second driving wheel, so that the rotation of the second central axis drives the second rotating disk to rotate, and the second roller on the second rotating disk rotates around the second central axis to realize the revolution of the second roller. At the same time, the rotation of the second driving wheel drives the second passive wheel to rotate through the transmission of the transmission belt, and the rotation of the second passive wheel drives the second roller to rotate to realize the self-rotation of the second roller. According to the process requirements, the speed of the second reduction motor of the first driving assembly and the speed of the three-phase asynchronous motor of the second driving assembly can be controlled to adjust, thereby realizing automatic polishing and achieving the best polishing effect. By increasing the speed of the second reduction motor, the workpiece can be polished at a high speed in the second roller assembly, which increases the number of rotations of the roller, reduces the polishing time, and improves the work efficiency.

[0021] (2) The present invention provides a moving frame, a second support plate, a first support plate, a movable plate, a gripper assembly arranged under the movable plate, wheels rotatably connected to both sides of the moving frame, a light rail for the wheels to travel, a third driving assembly for driving the movable plate to move up and down, and a fourth driving assembly for driving the moving frame to move, so that the gripper assembly can move horizontally left and right above the picking mechanism and the polishing mechanism under the action of the horizontal movement of the moving frame along the light rail, and at the same time, the gripper assembly can move vertically up and down above the picking mechanism and the polishing mechanism under the action of the up and down movement of the movable plate, so that the two grippers of the gripper assembly can grab the workpiece on the picking mechanism to the polishing mechanism, and can also grab the workpiece on the polishing unit to the adjacent polishing unit, thereby realizing automatic assembly line polishing without manual loading onto the polishing machine, and different numbers of polishing units can be combined in series into polishing mechanisms of different sizes through the driving mechanism to achieve the required polishing effect for the workpiece.

[0022] (3) The present invention designs the second drum into a polygonal cylindrical drum by adding multiple faces to the quadrilateral cylinder of the existing polishing machine, and the second drum is composed of a barrel body and a top cover symmetrically arranged in shape, so that more abrasives can be loaded in the second drum, and at the same time, based on the revolution and high-speed rotation of the second drum, a more comprehensive impact is generated on the workpiece, so that the abrasive in the second drum can polish the surface of the workpiece in a more all-round manner, thereby achieving more effective high-speed polishing, reducing polishing time, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, 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 labor.

[0024] Figure 1 This is a schematic diagram of the overall structure of an assembly line type automated polishing machine of this embodiment.

[0025] Figure 2 This is a schematic diagram of the structure of a piece-picking unit of an assembly-line automatic polishing machine of this embodiment.

[0026] Figure 3 This is a schematic diagram of the structure of a polishing unit of an assembly line type automatic polishing machine of this embodiment.

[0027] Figure 4 This is a schematic diagram of the structure of the crane mechanism of an assembly line type automatic polishing machine of this embodiment.

[0028] Figure 5 It is a schematic diagram of the explosion of the drum body of an assembly line type automatic polishing machine of this embodiment.

[0029] Figure 6 This is a schematic diagram of the structure of a gripper assembly of an assembly line type automated polishing machine according to this embodiment.

[0030] In the figure: first drum assembly 1, first rotating disk 101, first central axis 102, first drum 103, first connecting roller 104, first driving wheel 105, first driven wheel 106, sprocket transition shaft 107, positioning seat 108, first drum rotating shaft 109, driving assembly 2, first reduction motor 201, first pulley shaft 202, connecting disk 203, seat bearing 204, second drum assembly 3, second rotating disk 301, second rotating disk 301, second central axis 302, second drum barrel 303, second connecting roller 304, second driving wheel 305, second driven wheel 306, second drum rotating shaft 307, first driving assembly 4, first sprocket transition shaft 401, first connecting plate 402, first seat bearing 403, sprocket shaft 404, second reduction motor 405, first driving sprocket 406, first driven sprocket 407, second driving assembly 5, first pulley 501, second pulley 502, second pulley shaft 503, second seat bearing 504, second connecting plate 50 5. Three-phase asynchronous motor 506, drum body 6, barrel body 601, top cover 602, barrel plate 603, spherical bearing 604, quick clamp 605, rubber barrel 606, top rubber cover 607, breathable plate 608, top cover buckle 609, third drive assembly 7, take-up bearing seat 701, first sprocket 702, spur gear 703, rack 704, rack seat 705, second sprocket 706, stepping motor 707, gripper assembly 8, gripper 801, cylinder seat 802, first cylinder 803, Guide shaft 804, guide plate 805, guide shaft seat 806, fourth drive assembly 9, third reduction motor 901, second active sprocket 902, second passive sprocket 903, frame 10, first bracket 11, tensioning assembly 12, second bracket 13, mobile frame 14, first support plate 15, second support plate 16, movable plate 17, wheel 18, light rail 19, center beam 20, lifting shaft 21, sleeve 22, second cylinder 23, latch 24, tightening ring 25, third cylinder 26. DETAILED DESCRIPTION

[0031] The present invention will be further described below in conjunction with the embodiments.

[0032] like Figures 1 to 6As shown, this embodiment provides an assembly line type automatic polishing machine, including a frame 10, a picking mechanism arranged in the frame 10, a polishing mechanism and a driving mechanism arranged on the frame 10, the picking mechanism includes a picking unit arranged on one side of the polishing mechanism, the polishing mechanism is composed of a plurality of polishing units connected in series, the driving mechanism is movably connected to the frame 10, and a gripper assembly 8 for grabbing a workpiece is movably connected to the driving mechanism, so that the workpiece is transported between the picking mechanism and the polishing mechanism and between the plurality of polishing units; the picking unit includes a first bracket 11, a first drum assembly 1 and a driving assembly 2 for driving the first drum assembly 1 to rotate are arranged on the first bracket 11, the first drum assembly 1 includes two first rotating disks 101 and a first central axis 102, a first drum 103 and a first connecting roller 104 arranged between the two first rotating disks 101, and the first central axis 102 is arranged at the center of the first rotating disk 101 , and one end of the first central axis 102 passes through the first rotating disk 101 and is connected to the first driving wheel 105, the end of the first driving wheel 105 away from the first central axis 102 is connected to the positioning seat 108 installed on the first bracket 11 through a sprocket transition shaft 107, there are four first drums 103, and the centers of both ends of the first drum 103 are connected with the first drum shaft 109, the end of the first drum shaft 109 away from the first drum 103 passes through the first rotating disk 101 and is connected to the first passive wheel 106, two adjacent first passive wheels 106 are driven by the first driving wheel 105 through the same transmission belt, and two groups of tensioning components 12 for adjusting the tension of the transmission belt are symmetrically installed on the side of the first rotating disk 101 passing through the first driving wheel 105 and the first passive wheel 106 away from the first drum 103, there are four first connecting rollers 104, and a first connecting roller 104 is arranged between every two first drums 103;The light slipping unit includes a second bracket 13, on which a second drum assembly 3 is arranged. The second drum assembly 3 includes two second rotating disks 301 and a second central axis 302, a second drum 303 and a second connecting roller 304 arranged between the two second rotating disks 301. The second central axis 302 is arranged at the center of the second rotating disk 301, and one end of the second central axis 302 penetrates the second rotating disk 301 and is connected to the second driving wheel 305. There are four second drums 303, and the centers of both ends of the second drums 303 are connected to second drum shafts 307. The end of the second drum shaft 307 away from the second drum 303 penetrates the second rotating disk 301 and is connected to the second driven wheel 306. The two adjacent second driven wheels 306 are connected to the second driving wheel 305 through the same transmission belt. The second rotating disk 301 penetrated by the second driving wheel 305 and the second driven wheel 306 is away from the second drum 303. Two groups of tensioning assemblies 12 for adjusting the tension of the transmission belt are symmetrically installed on the side surface, there are four second connecting rollers 304, and a second connecting roller 304 is arranged between every two second barrels 303, and a first driving assembly 4 is arranged on the second bracket 13 on one side of the second barrel assembly 3, the first driving assembly 4 drives the second active wheel 305 to rotate, and the rotation of the second active wheel 305 drives the second passive wheel 306 to rotate through the transmission of the transmission belt, and the rotation of the second passive wheel 306 drives the second barrel 303 to rotate, so as to realize the self-rotation of the second barrel 303, and a second driving assembly 5 is arranged on the second bracket 13 on the other side of the second barrel assembly 3, the second driving assembly 5 drives the second central axis 302 to rotate, and the rotation of the second central axis 302 drives the second rotating disk 301 to rotate, and the second barrel 303 on the second rotating disk 301 rotates around the second central axis 302, so as to realize the revolution of the second barrel 303;The first drum 103 and the second drum 303 are both in the shape of a polygonal cylinder, such as a hexagonal cylinder in the present embodiment, and the first drum 103 and the second drum 303 both include a drum body 6, the drum body 6 includes a barrel body 601 and a top cover 602 that are symmetrically arranged in shape, such as in the present embodiment, the barrel body 601 and the top cover 602 are both trapezoidal cylinders, and barrel plates 603 for connecting to the first drum shaft 109 or the second drum shaft 307 are arranged at the left and right ends of the barrel body 601, and extension plates are arranged on the front and rear sides of the top of the barrel body 601, one of the extension plates is provided with a plurality of joint bearings 604, and the other extension plate is provided with a plurality of first grooves (not shown in the figure) ), a mounting block (not marked in the figure) is provided in the first groove, a quick clamp 605 is provided on the mounting block, a glue barrel 606 is provided in the barrel body 601, a glue barrel panel (not marked in the figure) is sleeved on the top outer side of the glue barrel 606, a second groove (not marked in the figure) corresponding to the first groove is provided on the glue barrel panel, a sealing ring (not marked in the figure) is provided on the top inner side of the glue barrel 606, a top cover 602 is connected to the top of the barrel body 601, and a top glue cover 607 is provided in the top cover 602, a vent plate 608 is provided on the top surface of the top cover 602, vent holes that are interconnected are opened on the top surface of the top cover 602, and a plurality of vent holes are provided on the top of the top cover 602. A top cover buckle 609 for being clamped by the quick clamp 605; the driving mechanism includes a mobile frame 14 arranged on the top of the frame 10, and a first support plate 15 is arranged on the left and right sides of the mobile frame 14, and a second support plate 16 is arranged in the middle of the mobile frame 14, wherein the first support plate 15 is movably connected with a movable plate 17, and the mobile frame 14 is provided with a third driving assembly 7 for driving the movable plate 17 to move up and down, and the two movable plates 17 are connected by a middle beam 20, and a gripper assembly 8 is arranged under the two movable plates 17, and the grippers 801 of the two gripper assemblies 8 are arranged relatively, so that the gripper assembly 8 can be taken out under the action of the movable plate 17 moving up and down. The mobile frame 14 is symmetrically provided with wheels 18 on both sides, and the wheels 18 are rotatably connected to the bottom of the outer side of the mobile frame 14. The top of the frame 10 is provided with a light rail 19 for the wheels 18 to travel. The top of the frame 10 is provided with a fourth driving assembly 9 for driving the mobile frame 14 to move, so that the gripper assembly 8 moves horizontally left and right above the picking mechanism and the slipping mechanism under the horizontal movement of the mobile frame 14 along the light rail 19. The driving assembly 2, the first driving assembly 4, the second driving assembly 5, the third driving assembly 7, the fourth driving assembly 9 and other auxiliary driving assemblies are controlled by an external PLC control system. ;

[0033] In this embodiment, if Figure 2As shown, the driving assembly 2 includes a first reduction motor 201 installed on the top of the first bracket 11, the rotating shaft of the first reduction motor 201 is connected to the first pulley shaft 202 through a transmission belt, the first pulley shaft 202 is connected to one end of the first central axis 102 through a connecting plate 203, and the other end of the first central axis 102 is connected to the seat bearing 204.

[0034] Specifically, the rotation of the shaft of the first reduction motor 201 drives the first pulley shaft 202 to rotate through the transmission belt, and the rotation of the first pulley shaft 202 rotates through the first central axis 102, thereby causing the first rotating disk 101 to rotate, and the rotation of the first rotating disk 101 drives the first drum 103 to rotate around the first central axis 102, and also causes the first driving wheel 105 to rotate, and the rotation of the first driving wheel 105 drives the first driven wheel 106, and the rotation of the first driven wheel 106 drives the first drum 103 to rotate.

[0035] In this embodiment, if Figure 3 As shown, the first driving assembly 4 includes a first sprocket transition shaft 401, one end of the first sprocket transition shaft 401 is connected to the end of the first driving wheel 105 away from the second central axis 302, and the other end of the first sprocket transition shaft 401 is connected to the first connecting plate 402, a bearing seat (not marked in the figure) is provided on the first sprocket transition shaft 401, and the first sprocket transition shaft 401 is connected to the bearing seat through a deep groove ball bearing (not marked in the figure), the bearing seat is installed on the top of the second bracket 13 through an adjusting assembly, and the top of the second bracket 13 is provided with a first seat Bearing 403, the first bearing 403 is rotatably connected to the sprocket shaft 404, a first passive sprocket 407 is arranged between the shaft disk of the sprocket shaft 404 and the first connecting disk 402, and the first passive sprocket 407 is fixed between the shaft disk of the sprocket shaft 404 and the first connecting disk 402 by a latch assembly, a second reduction motor 405 is installed on the top of the second bracket 13, a first driving sprocket 406 is arranged on the rotating shaft of the second reduction motor 405, and the first driving sprocket 406 is transmission-connected to the first passive sprocket 407 through a first transmission chain.

[0036] Specifically, by setting the second reduction motor 405, the rotation speed of the second drum 303 is controlled according to the process requirements to achieve high-speed polishing and the best polishing effect; the setting of the first sprocket transition shaft 401, the first connecting plate 402, the bearing seat, the adjustment assembly, the sprocket shaft 404, and the latch assembly enables the second reduction motor 405 to transmit better.

[0037] In this embodiment, if Figure 3As shown, the second driving assembly 5 includes a second seat bearing 504 installed on the top of the second bracket 13, the second seat bearing 504 is rotatably connected to the second pulley shaft 503, one end of the second pulley shaft 503 is connected to a pulley plate (not marked in the figure), and the second pulley shaft 503 is located between the second pulley shaft 503 and the pulley plate. The first pulley 501 is installed, and the second central axis 302 passes through the second rotating disk 301 and is connected to the second connecting disk 505 near one end of the second driving assembly 5. The axis of the second pulley shaft 503 The disk is connected to the second connecting disk 505 through a latch assembly, and a bearing seat is provided on the second central axis 302 between the second rotating disk 301 and the second connecting disk 505, and the second central axis 302 is connected to the bearing seat through a deep groove ball bearing, and the bearing seat is installed on the top of the second bracket 13 through an adjusting assembly, and a three-phase asynchronous motor 506 is installed on the side of the second bracket 13. A second pulley 502 is provided on the rotating shaft of the three-phase asynchronous motor 506, and the second pulley 502 is connected to the first pulley 501 through a conveyor belt.

[0038] Specifically, by setting the three-phase asynchronous motor 506, the revolution speed of the second drum 303 is controlled according to the process requirements; the setting of the second pulley shaft 503, the second connecting disk 505, the pulley plate, the first pulley 501, the bearing seat, the adjustment assembly, and the latch assembly enables the three-phase asynchronous motor 506 to transmit better.

[0039] In this embodiment, if Figure 4 As shown, the third driving assembly 7 includes three pickup bearing seats 701 respectively arranged on the two first support plates 15 and the second support plate 16, wherein the horizontal cross-sections of the two pickup bearing seats 701 located on the two first support plates 15 are both U-shaped, and the U-shaped openings of the two pickup bearing seats 701 are arranged opposite to each other, the pickup bearing seats 701 are located at the upper and lower parts of the inner side of the U-shaped opening and are rotatably connected to two deep groove ball bearings respectively, the pickup bearing seat 701 is located at the outer side of the U-shaped opening and is rotatably connected to a spur gear 703, a rack 704 is arranged between the deep groove ball bearing and the spur gear 703, and the rack 704 is meshed with the spur gear 703, The rack 704 passes through the first support plate 15 and extends to the rack seat 705 installed on the movable plate 17. The spur tooth 703 passes through the piece-picking bearing seat 701 through the rack shaft and is connected to the first sprocket 702. Second sprockets 706 are respectively arranged on the front and rear sides of the piece-picking bearing seat 701 located on the second support plate 16. The two second sprockets 706 are connected through the rack shaft. A stepper motor 707 is arranged on one side of the movable frame 14. The rotating shaft of the stepper motor 707 is connected to one of the second sprockets 706 through a connecting shaft. The two second sprockets 706 are respectively connected to the two first sprockets 702 through a second transmission chain.

[0040] Specifically, the rotation of the shaft of the stepper motor 707 drives the two connected second sprockets 706 to rotate, and the rotation of the second sprocket 706 drives the corresponding two first sprockets 702 to rotate through the transmission of the second transmission chain. The rotation of the first sprocket 702 drives the spur teeth 703 to rotate, and the rotation of the spur teeth 703 drives the rack 704 to move up and down, thereby driving the movable plate 17 to move up and down; the setting of the deep groove ball bearing enables the spur teeth 703 to better drive the rack 704.

[0041] In this embodiment, if Figure 4 As shown, the two first support plates 15 are located on both sides of the piece removal bearing seat 701, and two lifting shafts 21 are symmetrically arranged. Two sleeves 22 are symmetrically arranged on the first support plate 15, and the sleeves 22 are vertically connected to the top of the first support plate 15. The two lifting shafts 21 successively pass through the corresponding sleeves 22 and the first support plate 15 and are connected to the movable plate 17.

[0042] Specifically, the arrangement of the two lifting shafts 21 and the two sleeves 22 enables the movable plate 17 to move vertically up and down better.

[0043] In this embodiment, if Figure 3 As shown, the fourth driving assembly 9 includes a third reduction motor 901 installed on the rear side of one end of the top of the frame 10, the frame 10 is located at the front side of the same end of the third reduction motor 901 and is rotatably connected to a second driving sprocket 902, the frame 10 is located at the front and rear sides of the other end of the top of the frame 10 and are rotatably connected to a second passive sprocket 903, wherein the second passive sprocket 903 located on the front side is transmission-connected to the rotating shaft of the third reduction motor 901 through a third transmission chain, the second passive sprocket 903 located on the rear side is transmission-connected to the second driving sprocket 902 through a third transmission chain, and the bottom of the movable frame 14 is connected to the third transmission chain.

[0044] Specifically, the rotating shaft of the third reduction motor 901 rotates, driving the second driving sprocket 902 to rotate, and the third transmission chain moves between the rotating shaft of the third reduction motor 901 and the second driving sprocket 902, thereby driving the moving frame 14 to move.

[0045] In this embodiment, if Figure 6 As shown, the gripper assembly 8 also includes a cylinder seat 802 fixed below the movable plate 17, a first cylinder 803 is installed on a side of the cylinder seat 802 away from the gripper 801, shaft sleeves sleeved in the guide shaft seat 806 are respectively arranged on both sides of the first cylinder 803, and the shaft sleeves are sleeved with guide shafts 804, a guide plate 805 is arranged between the cylinder seat 802 and the gripper 801, and guide holes for the guide shaft 804 to pass through are formed in the guide plate 805 and the gripper 801, and a piston rod of the first cylinder 803 successively passes through the cylinder seat 802, the guide plate 805 and the gripper 801 to be connected.

[0046] Specifically, the arrangement of the first cylinder 803 , the guide shaft 804 , the guide plate 805 , and the guide hole enables the first cylinder 803 to move the gripper 801 under the guidance of the guide shaft 804 .

[0047] In this embodiment, if Figure 3 As shown, the adjustment assembly includes adjustment blocks (not marked in the figure) and clamping blocks (not marked in the figure) on both sides of the bearing seat. The clamping block is connected to the piston rod of the second cylinder 23 through a clamping rod (not marked in the figure) on the side away from the bearing seat. A hook connecting plate (not marked in the figure) is sleeved on the clamping rod. A hook (not marked in the figure) is provided on the second bracket 13 below the bearing seat. One end of the hook is connected to the bottom of the hook connecting plate (not marked in the figure), and the other end is connected to the bottom of the adjustment block. The second bracket 13 is located below the bearing seat and is also provided with a hook bearing group (not marked in the figure) for hook positioning.

[0048] Specifically, the arrangement of the adjusting block, the pressing block, the pressing rod, the second cylinder 23, the hook plate, and the hook bearing assembly can fix the position of the rotating second central axis 302 and adjust it at any time if a deviation occurs.

[0049] In this embodiment, if Figure 2 and Figure 3 As shown, the latch assembly includes a plurality of latches 24 installed on the second pulley shaft 503 or the sprocket shaft 404, and a tightening ring 25 is provided on the plurality of latches 24. The second bracket 13 is located on both sides of the second pulley shaft 503 or the sprocket shaft 404 and is installed with a third cylinder 26. The piston rods of the two third cylinders 26 are connected to the extension plates on both sides of the tightening ring 25.

[0050] Specifically, the third cylinder 26 pushes the tightening ring 25 to move, and the tightening ring 25 pushes the latch 24 to move toward the pulley shaft, and pushes the second pulley shaft 503 to move toward the second connecting disk 505, so that the second pulley shaft 503 and the second connecting disk 505 are pressed together.

[0051] The working principle of this embodiment is as follows: before use, open the top covers 602 of the first drum 103 and the second drum 303, load abrasives into the barrel body 601, cover the top cover 602 after loading, and clamp the top cover buckle 609 with the quick clamp 605 to close and lock the first drum 103 and the second drum 303, so as to prevent the first drum 103 and the second drum 303 from opening during the process of self-rotation and rotation around the central axis, and then place the workpiece to be polished on the first connecting roller 104 of the pick-up unit at a position between adjacent first drums 103;

[0052] When in use, first start the first reduction motor 201, so that its shaft rotates and drives the first pulley shaft 202 to rotate through the transmission belt, and the rotation of the first pulley shaft 202 drives the first central axis 102 to rotate, so that the first rotating disk 101 rotates, and the rotation of the first rotating disk 101 drives the first drum 103 to rotate around the first central axis 102, and also makes the first driving wheel 105 rotate, and the rotation of the first driving wheel 105 drives the first driven wheel 106, and the rotation of the first driven wheel 106 drives the first drum 103 to rotate, so that the surface of the workpiece is preliminarily polished;

[0053] Then, the first reduction motor 201 is stopped, the third reduction motor 901 is started, the second driving sprocket 902 is driven to rotate, the mobile frame 14 is horizontally moved along the light rail 19 to the top of the workpiece to be initially polished, the stepper motor 707 is started to drive the two connected second sprockets 706 to rotate forward, the rotation of the second sprocket 706 drives the corresponding two first sprockets 702 to rotate forward through the transmission of the second transmission chain, the rotation of the first sprocket 702 drives the spur gear 703 to rotate forward, and the forward rotation of the spur gear 703 drives the rack 704 downward The rack 704 moves downward, and the movable plate 17 moves downward. The movable plate 17 also moves downward. When the two gripper assemblies 8 move to both sides of the workpiece to be initially polished, the stepper motor 707 is stopped, and the first cylinders 803 of the two gripper assemblies 8 are started. The piston rods of the two gripper assemblies 8 drive the gripper 801 to extend outward to both ends of the workpiece to be initially polished, and grab it. Then, the stepper motor 707 is restarted to drive the two connected second sprockets 706 to rotate in the opposite direction. The reverse rotation of the second sprocket 706 is transmitted through the second transmission The transmission of the moving chain drives the corresponding two first sprockets 702 to rotate in the opposite direction, and the opposite rotation of the first sprocket 702 drives the spur teeth 703 to rotate in the opposite direction, and the opposite rotation of the spur teeth 703 drives the rack 704 to move upward, and the upward movement of the rack 704 drives the movable plate 17 to move upward, and the upward movement of the movable plate 17 drives the claw assembly 8 to move upward. When it moves upward to a certain height, the stepper motor 707 is stopped, and the third reduction motor 901 is started to drive the second active sprocket 902 to rotate, and the mobile frame 14 is moved to the adjacent to the pickup unit. The stepper motor 707 is started to drive the two connected second sprockets 706 to rotate forward, and the workpiece with preliminary polishing is moved downward to the position between the adjacent second rollers 303 on the second connecting roller 304 of the polishing unit, and the first cylinders 803 of the two gripper assemblies 8 are started, and the piston rods thereof drive the grippers 801 to retract inwards and leave the two ends of the preliminary polished workpiece. At this time, the stepper motor 707 drives the two connected second sprockets 706 to rotate in the opposite direction, and the gripper assemblies 8 are raised to a certain height and then stop working;

[0054] Then, the three-phase asynchronous motor 506 is started to drive the second pulley 502 to rotate. The rotation of the second pulley 502 drives the first pulley 501 to rotate through the transmission belt. The rotation of the first pulley 501 drives the second pulley shaft 503 to rotate. The second pulley shaft 503 drives the second central axis 302 to rotate through the second connecting disk 505. The rotation of the second central axis 302 drives the second rotating disk 301 to rotate, so that the second drum 303 on the second rotating disk 301 rotates around the second central axis 302, realizing the revolution of the second drum 303. At the same time, the second reduction motor 405 is started to drive the first active sprocket 406 to rotate. The first active sprocket 406 drives the first passive sprocket 406 through the transmission chain. 7. The first passive sprocket 407 drives the first sprocket transition shaft 401 to rotate through the first connecting plate 402. The rotation of the first sprocket transition shaft 401 drives the second driving wheel 305 to rotate. The rotation of the second driving wheel 305 drives the second passive wheel 306 through the transmission belt. The rotation of the second passive wheel 306 drives the second drum 303 to rotate, so that the second drum 303 rotates by itself. According to the process requirements, the speed of the second reduction motor 405 and the three-phase asynchronous motor 506 can be controlled to adjust, so as to achieve the best polishing effect for the workpiece while realizing the automatic polishing of the workpiece, until the first polishing operation is completed, the three-phase asynchronous motor 506 and the second reduction motor 405 are stopped;

[0055] Finally, the gripper assembly 8 holding the workpiece can move up and down above the polishing unit under the action of the stepper motor 707 driving the two connected second sprockets 706 to rotate forward and reversely and driving the movable plate 17 to move up and down. At the same time, the third reduction motor 901 drives the second active sprocket 902 to rotate and drives the movable frame 14 to move horizontally along the light rail 19. The claw assembly 8 can move horizontally left and right above the polishing mechanism, so that a workpiece that has completed a polishing operation on a polishing unit can be transported to the adjacent polishing unit for the next polishing operation, thereby realizing automatic assembly line polishing of the workpiece, and the number of polishing units, that is, the scale of the polishing mechanism is set according to the polishing effect.

[0056] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A production line type automatic polishing machine, characterized in that: The invention comprises a frame (10), a piece-picking mechanism arranged in the frame (10), a polishing mechanism and a driving mechanism arranged on the frame (10), wherein the piece-picking mechanism comprises a piece-picking unit arranged on one side of the polishing mechanism, the polishing mechanism is composed of a plurality of polishing units connected in series, the driving mechanism is movably connected to the frame (10), and a gripper assembly (8) for gripping a workpiece is movably connected to the driving mechanism; The picking unit comprises a first bracket (11), on which a first roller assembly (1) and a driving assembly (2) for driving the first roller assembly (1) to rotate are arranged, the first roller assembly (1) comprising two first rotating disks (101), a first central axis (102) arranged between the two first rotating disks (101), a first roller (103) and a first connecting roller (104), the first central axis (102) being arranged at the center of the first rotating disk (101), and one end of the first central axis (102) passing through the first rotating disk (101) and connected to a first driving wheel (105), and the end of the first driving wheel (105) away from the first central axis (102) is connected to a positioning seat (108) installed on the first bracket (11) through a sprocket transition shaft (107). The first rollers (103) are connected in four pieces, and the centers of both ends of the first rollers (103) are connected with first roller shafts (109), one end of the first roller shaft (109) away from the first roller (103) passes through the first rotating disk (101) and is connected with the first passive wheel (106), two adjacent first passive wheels (106) are driven by the first driving wheel (105) through the same transmission belt, and two groups of tensioning components (12) for adjusting the tension of the transmission belt are symmetrically installed on the side of the first rotating disk (101) passing through the first driving wheel (105) and the first passive wheel (106) away from the first roller (103), and there are four first connecting rollers (104), and one first connecting roller (104) is arranged between every two first rollers (103); The light slipping unit comprises a second bracket (13), a second roller assembly (3) is arranged on the second bracket (13), the second roller assembly (3) comprises two second rotating disks (301), a second central axis (302) arranged between the two second rotating disks (301), a second roller (303) and a second connecting roller (304), the second central axis (302) is arranged at the center of the second rotating disk (301), and one end of the second central axis (302) passes through the second rotating disk (301) and is connected to the second driving wheel (305), the second roller (303) has four, and the centers of the two ends of the second roller (303) are connected to the second roller shaft (307), and the end of the second roller shaft (307) away from the second roller (303) passes through the second rotating disk (301) and is connected to the second driving wheel (305). The disk (301) is connected to the second passive wheel (306), and two adjacent second passive wheels (306) are connected to the second driving wheel (305) through the same transmission belt. Two groups of tensioning components (12) for adjusting the tension of the transmission belt are symmetrically installed on the side of the second rotating disk (301) that penetrates the second driving wheel (305) and the second passive wheel (306) away from the second roller (303). There are four second connecting rollers (304), and one second connecting roller (304) is arranged between every two second rollers (303). The second bracket (13) is provided with a first driving component (4) for driving the second driving wheel (305) to rotate and a second driving component (5) for driving the second central shaft (302) to rotate, which are located on both sides of the second roller component (3); The first drum (103) and the second drum (303) are both in the shape of a polygonal cylinder, and the first drum (103) and the second drum (303) both include a drum body (6), the drum body (6) including a drum body (601) and a top cover (602) symmetrically arranged in shape, the drum body (601) being provided with drum plates (603) for connecting to the first drum shaft (109) or the second drum shaft (307) at both left and right ends, the drum body (601) being provided with extension plates at the front and rear sides of the top of the drum body (601), one of the extension plates being provided with a plurality of joint bearings (604), and the other extension plate being provided with a plurality of first grooves, the first groove being provided with a mounting block, the mounting block being provided with a quick clamp ( 605), a glue barrel (606) is arranged in the barrel body (601), a glue barrel panel is sleeved on the outer side of the top of the glue barrel (606), a second groove corresponding to the first groove is arranged on the glue barrel panel, a sealing ring is arranged on the inner side of the top of the glue barrel (606), the top cover (602) is connected to the top of the barrel body (601), and a top glue cover (607) is arranged in the top cover (602), a ventilating plate (608) is arranged on the top surface of the top cover (602), the top surfaces of the top glue cover (602), the top glue cover (607) and the ventilating plate (608) are provided with ventilating holes that are interconnected, and a plurality of top cover buckles (609) for being clamped by a quick clamp (605) are arranged on the top of the top cover (602); The driving mechanism comprises a moving frame (14) arranged on the top of the frame (10), first support plates (15) are arranged on the left and right sides of the moving frame (14), and second support plates (16) are arranged in the middle of the moving frame (14), wherein each of the first support plates (15) is movably connected to a movable plate (17), and a third driving component (7) for driving the movable plate (17) to move up and down is arranged on the moving frame (14), and the two movable plates (17) are connected by a middle beam (20). Then, a gripper assembly (8) is provided below each of the two movable plates (17), and the grippers (801) of the two gripper assemblies (8) are arranged opposite to each other, wheels (18) are symmetrically provided on the front and rear sides of the mobile frame (14), and the wheels (18) are rotatably connected to the outer bottom of the mobile frame (14), a light rail (19) for the wheels (18) to travel is provided on the top of the frame (10), and a fourth driving assembly (9) for driving the mobile frame (14) to move is provided on the top of the frame (10).

2. The assembly line type automatic polishing machine according to claim 1, characterized in that: The driving assembly (2) comprises a first reduction motor (201) mounted on the top of the first bracket (11); the rotating shaft of the first reduction motor (201) is connected to the first pulley shaft (202) via a transmission belt; the first pulley shaft (202) is connected to one end of the first central shaft (102) via a connecting plate (203); and the other end of the first central shaft (102) is connected to a seat bearing (204).

3. The assembly line type automatic polishing machine according to claim 1, characterized in that: The first driving assembly (4) comprises a first sprocket transition shaft (401), one end of the first sprocket transition shaft (401) is connected to an end of the first driving wheel (105) away from the second central axis (302), and the other end of the first sprocket transition shaft (401) is connected to a first connecting plate (402), a bearing seat is arranged on the first sprocket transition shaft (401), and the first sprocket transition shaft (401) is connected to the bearing seat via a deep groove ball bearing, the bearing seat is installed on the top of the second bracket (13) via an adjustment assembly, the top of the second bracket (13) is provided with a first bearing (403), and the first The seat bearing (403) is rotatably connected to a sprocket shaft (404); a first passive sprocket (407) is arranged between the shaft disk of the sprocket shaft (404) and the first connecting disk (402); and the first passive sprocket (407) is fixed between the shaft disk of the sprocket shaft (404) and the first connecting disk (402) by a latch assembly; a second reduction motor (405) is installed on the top of the second bracket (13); a first driving sprocket (406) is arranged on the rotating shaft of the second reduction motor (405); and the first driving sprocket (406) is transmission-connected to the first passive sprocket (407) via a first transmission chain.

4. The assembly line type automatic polishing machine according to claim 1, characterized in that: The second driving assembly (5) comprises a second seat bearing (504) mounted on the top of the second bracket (13); the second seat bearing (504) is rotatably connected to a second pulley shaft (503); one end of the second pulley shaft (503) is connected to a pulley plate; the second pulley shaft (503) is located between the second pulley shaft (503) and the pulley plate and is provided with a first pulley (501); one end of the second central axis (302) close to the second driving assembly (5) passes through the second rotating disk (301) and is connected to the second connecting disk (505); the shaft disk of the second pulley shaft (503) is connected to the second connecting disk (505); The second connecting disk (505) is connected via a latch assembly, a bearing seat is arranged on the second central axis (302) between the second rotating disk (301) and the second connecting disk (505), and the second central axis (302) is connected to the bearing seat via a deep groove ball bearing, the bearing seat is mounted on the top of the second bracket (13) via an adjustment assembly, a three-phase asynchronous motor (506) is mounted on the side of the second bracket (13), a second pulley (502) is arranged on the rotating shaft of the three-phase asynchronous motor (506), and the second pulley (502) is transmission-connected to the first pulley (501) via a conveyor belt.

5. The assembly line automatic polishing machine according to claim 1, characterized in that: The third driving assembly (7) comprises three piece-picking bearing seats (701) respectively arranged on the two first support plates (15) and the second support plate (16), wherein the horizontal cross-sections of the two piece-picking bearing seats (701) located on the two first support plates (15) are both U-shaped, and the U-shaped openings of the two piece-picking bearing seats (701) are arranged opposite to each other, the piece-picking bearing seats (701) are located at the upper and lower parts of the inner side of the U-shaped opening and are rotatably connected to two deep groove ball bearings respectively, the piece-picking bearing seats (701) are located at the outer side of the U-shaped opening and are rotatably connected to spur teeth (703), a rack (704) is arranged between the deep groove ball bearing and the spur teeth (703), and the rack (704) is meshed with the spur teeth (703), and the rack (704) passes through the first support plate (15) and extends to the rack seat (705) installed on the movable plate (17); the spur teeth (703) pass through the piece-picking bearing seat (701) through the rack shaft and are connected to the first sprocket (702); second sprockets (706) are respectively arranged on the front and rear sides of the piece-picking bearing seat (701) located on the second support plate (16); the two second sprockets (706) are connected through the rack shaft; a stepper motor (707) is arranged on one side of the movable frame (14); the rotating shaft of the stepper motor (707) is connected to one of the second sprockets (706) through a connecting shaft; the two second sprockets (706) are respectively connected to the two first sprockets (702) through a second transmission chain.

6. The assembly line type automatic polishing machine according to claim 1, characterized in that: The two first support plates (15) are both located on both sides of the piece-picking bearing seat (701) and are symmetrically provided with two lifting shafts (21); the first support plate (15) is symmetrically provided with two sleeves (22), and the sleeves (22) are vertically connected to the top of the first support plate (15); the two lifting shafts (21) are successively passed through the corresponding sleeves (22) and the first support plate (15) and are connected to the movable plate (17).

7. The assembly line type automatic polishing machine according to claim 1, characterized in that: The fourth driving assembly (9) comprises a third reduction motor (901) mounted on the rear side of one end of the top of the frame (10); the frame (10) is rotatably connected to a second driving sprocket (902) at the front side of the same end of the third reduction motor (901); the frame (10) is rotatably connected to a second driven sprocket (903) at both the front and rear sides of the other end of the top of the frame (10); the second driven sprocket (903) at the front side is transmission-connected to a rotating shaft of the third reduction motor (901) via a third transmission chain; the second driven sprocket (903) at the rear side is transmission-connected to the second driving sprocket (902) via a third transmission chain; and the bottom of the mobile frame (14) is connected to the third transmission chain.

8. The assembly line type automatic polishing machine according to claim 1, characterized in that: The gripper assembly (8) further comprises a cylinder seat (802) fixed below the movable plate (17); a first cylinder (803) is mounted on a side of the cylinder seat (802) away from the gripper (801); shaft sleeves sleeved in guide shaft seats (806) are respectively arranged on both sides of the first cylinder (803); the shaft sleeves are sleeved with guide shafts (804); a guide plate (805) is arranged between the cylinder seat (802) and the gripper (801); the guide plate (805) and the gripper (801) are both provided with guide holes for the guide shaft (804) to pass through; a piston rod of the first cylinder (803) successively passes through the cylinder seat (802), the guide plate (805) and the gripper (801) to be connected.

9. The assembly line type automatic polishing machine according to claim 3 or 4, characterized in that: The adjustment assembly comprises adjustment blocks and clamping blocks on both sides of the bearing seat, the clamping block is connected to the piston rod of the second cylinder (23) via a clamping rod on the side away from the bearing seat, a hook plate is sleeved on the clamping rod, a hook is provided on the second bracket (13) below the bearing seat, one end of the hook is connected to the bottom of the hook plate, and the other end is connected to the bottom of the adjustment block, and the second bracket (13) is also provided with a hook bearing group for positioning the hook below the bearing seat.

10. The assembly line type automatic polishing machine according to claim 3 or 4, characterized in that: The latch assembly comprises a plurality of latches (24) mounted on the second pulley shaft (503) or the sprocket shaft (404), a plurality of the latches (24) being provided with a tightening ring (25), the second bracket (13) being located on both sides of the second pulley shaft (503) or the sprocket shaft (404) and being provided with a third cylinder (26), the piston rods of the two third cylinders (26) being connected to the extension plates on both sides of the tightening ring (25).

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