CN213258751U

CN213258751U - Intelligence commodity circulation panel beating burnishing machine for production line

Info

Publication number: CN213258751U
Application number: CN202021876156.3U
Authority: CN
Inventors: 徐建平; 张利刚
Original assignee: Jiangsu Qianyi Automation Technology Co ltd
Current assignee: Jiangsu Qianyi Automation Technology Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-05-25
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a panel beating burnishing machine for intelligent logistics production line, which comprises a frame, supporting legs, mounting holes, a cylinder, a workpiece moving frame structure, supporting columns, a cross beam, a mounting frame, gears, a driving motor, a polishing driving frame structure, a sponge polishing disk, an adjustable dust hood structure, a dust collector and a control box, wherein the supporting legs are respectively bolted at the four corners of the lower part of the frame; the mounting hole is arranged in the middle of the inner side of the frame. The utility model has the advantages that: through the arrangement of the longitudinal mounting seat, the T-shaped sliding rail, the T-shaped sliding block and the L-shaped positioning plate, a workpiece is placed on the upper portion of the inner side of the L-shaped positioning plate, the workpiece is pushed to move, the T-shaped sliding block slides back and forth on the inner side of the T-shaped sliding rail, the workpiece can be conveniently moved by a worker according to a polishing position when the workpiece is polished, and the workpiece is prevented from being polished.

Description

Intelligence commodity circulation panel beating burnishing machine for production line

Technical Field

The utility model belongs to the technical field of the panel beating polishing, especially, relate to an intelligence panel beating burnishing machine for logistics production line.

Background

Polishers, also known as grinders, are often used for mechanical grinding, polishing, and waxing. The working principle is as follows: the motor drives the sponge or wool polishing disc arranged on the polishing machine to rotate at a high speed, and the polishing disc and the polishing agent act together and rub the surface to be polished, so that the aims of removing paint surface pollution, oxide layer and shallow mark can be achieved.

However, the conventional sheet metal polishing machine for the logistics production line also has the problems that the sheet metal workpiece is inconvenient to move, the polishing position cannot be cleaned, and powder is easy to fly out of a gap between the workpiece and the protective cover during polishing.

Therefore, the invention of the sheet metal polishing machine for the intelligent logistics production line is very necessary.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides an intelligence panel beating burnishing machine for logistics production line to solve the current inconvenient problem that removes the panel beating work piece of panel beating burnishing machine for logistics production line, the powder when can not clear up and polish the polishing position is easy to fly out in the gap between work piece and protection casing.

In order to solve the technical problem, the utility model discloses a technical scheme be: a sheet metal polishing machine for an intelligent logistics production line comprises a rack, supporting legs, mounting holes, an air cylinder, a workpiece moving frame structure, supporting columns, a cross beam, a mounting frame, gears, a driving motor, a polishing driving frame structure, a sponge polishing disc, an adjustable dust hood structure, a dust collector and a control box, wherein the supporting legs are respectively bolted at four corners of the lower portion of the rack; the mounting hole is formed in the middle of the inner side of the rack; the cylinders are respectively arranged at the four corners of the inner side of the mounting hole and are connected with the inner side of the frame through bolts; the workpiece moving frame structure is arranged at the upper part of the cylinder; the support column is connected to the right side of the upper part of the rack through a bolt; the cross beam is connected to the upper part of the left side of the support column through a bolt; the mounting frame is sleeved on the outer side of the cross beam; the gears are respectively coupled to the upper part and the lower part of the inner side of the mounting frame; the driving motor is connected to the upper part of the rear end of the mounting frame through a bolt, and an output shaft is in key connection with the gear; the polishing driving frame structure is arranged at the lower part of the mounting frame; the sponge polishing disk is arranged at the lower part of the polishing driving frame structure; the adjustable dust hood structure is arranged on the outer side of the polishing driving frame structure; the dust collector is connected to the lower part of the right side of the supporting column through a bolt; the control box is connected to the upper part of the right side of the support column through a bolt; the workpiece moving frame structure comprises a fixed frame, a clamping bolt, an extending frame, a longitudinal mounting seat, a T-shaped sliding rail, a T-shaped sliding block and an L-shaped positioning plate, wherein the clamping bolt is in threaded connection with the connecting part of the fixed frame and the extending frame; the extending frame is inserted into the left side of the inside of the fixed frame; the longitudinal mounting seats are respectively connected to the right side of the fixed frame and the left side of the extending frame through bolts; the T-shaped sliding rail is arranged at the upper part of the inner side of the longitudinal mounting seat; the T-shaped sliding block is inserted into the inner side of the T-shaped sliding rail; and the L-shaped positioning plate is connected to the upper part of the T-shaped sliding block through a bolt.

Preferably, the polishing driving frame structure comprises a rotating motor, a mounting frame, a fixed pipe, a rotating rod, a disc and a cleaning brush, wherein the mounting frame is respectively bolted on the left side and the right side of the lower part of the rotating motor; the fixed pipes are respectively welded on one sides of the mounting frames far away from the rotating motor; the rotating rod bearing is connected to the lower part of the inner side of the fixed tube; the disc is connected to the lower part of the rotating rod through a bolt; the cleaning brush is connected to the lower part of the disc in an adhesive manner.

Preferably, the adjustable dust hood structure comprises a protective hood, dust suction pipelines, sealing gaskets, through holes, springs and connecting plates, wherein the dust suction pipelines are respectively embedded at the left side and the right side of the protective hood and are communicated with the inner side of the protective hood; the sealing pad is glued at the lower part of the protective cover; the through hole is formed in the middle of the upper part of the protective cover; the springs are respectively connected to the left side and the right side of the upper part of the protective cover through screws; the connecting plate is connected to the upper part of the spring through a screw.

Preferably, the upper part and the lower part of the inner side of the cross beam are respectively provided with a tooth groove, and the gears are respectively arranged on the upper part and the lower part of the cross beam and are meshed with the tooth grooves.

Preferably, the inlet of the dust collector is connected with a main dust collecting pipe through a screw, the upper part of the main dust collecting pipe is glued with an auxiliary dust collecting pipe, and the inner side of the auxiliary dust collecting pipe is communicated with the inner side of the main dust collecting pipe.

Preferably, a button is connected to the upper portion of the front end of the control box through a screw, and a PLC is connected to the left side of the inside of the control box through a screw.

Preferably, the number of the L-shaped positioning plates is two, the L-shaped positioning plates on the left side and the right side are symmetrically arranged, and the outer side of each L-shaped positioning plate is connected with a handle through a screw.

Preferably, the middle position of the output shaft of the rotating motor is connected with a main driving wheel through a screw, the outer side of the main driving wheel is connected with a driving belt, the middle position of the rotating rod is connected with a driven belt wheel through a screw, and the right side of the driving belt is sleeved on the outer side of the driven belt wheel.

Preferably, the upper part of the cylinder is respectively connected with four corners of the lower part of the fixing frame through bolts.

Preferably, the rotating motor is connected to the lower part of the mounting frame through screws, and the sponge polishing disc is arranged on the lower part of the rotating motor and is connected with the output shaft of the rotating motor through screws.

Preferably, the protective cover is sleeved on the outer side of the rotating motor, and the connecting plates are respectively connected to the left side and the right side of the lower portion of the rotating motor through bolts.

Preferably, the number of the dust suction pipes is two, the right side dust suction pipe is in threaded connection with the lower part of the main dust suction pipe, and the left side main dust suction pipe is in threaded connection with the auxiliary dust suction pipe.

Preferably, the button electric connection at PLC's input, cylinder, driving motor, rotating electrical machines and dust catcher respectively electric connection at PLC's output.

Preferably, the PLC is FX2N-48, the vacuum cleaner is SAV-110R-8A, the driving motor is Z5BLD40W, the rotating motor is MS-80M2, and the cylinder is SC63 x 50.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, the setting of vertical mount pad, T type slide rail, T type slider and L type locating plate, place the work piece on the inboard upper portion of L type locating plate, promote the work piece and remove, T type slider slides around the inboard of T type slide rail, is favorable to when polishing the work piece, makes things convenient for the staff to remove the work piece according to polishing position, processes the position that the work piece does not need the polishing when preventing to polish.

The utility model discloses in, mount, clamping bolt and stretching frame set up, adjust the stretching frame in the inboard position of mount, then screw up clamping bolt, fixed relative position between adjusting stretching frame and the mount is favorable to adjusting the distance between the left and right sides L type locating plate, makes this equipment can fix the panel beating work piece of different widths, makes the function of this equipment more perfect.

The utility model discloses in, the setting of handle, the staff holds the handle, removes L type locating plate, and then removes the work piece, is favorable to making things convenient for the staff to remove the work piece, need not use hand direct contact work piece, prevents to bruise the staff when the polishing, improves this equipment to staff's protecting effect, and then improves the security of this equipment.

The utility model discloses in, rotary rod, disc and setting up of clearance brush, the rotary rod drives the disc rotation, the disc drives the clearance brush rotation, clearance brush and workpiece surface contact are favorable to cleaning workpiece surface respectively around the polishing, clean before the processing and improve polishing effect, clean the powder after cleaing away the polishing after the polishing, improve the surface finish of work piece.

The utility model discloses in, the setting of mounting bracket and fixed pipe, be favorable to the convenience to dismantle rotary rod, disc and clearance brush, maintain or clear up it, prolong the life of rotary rod, disc and clearance brush, and then the maintenance cost of reduction this equipment.

The utility model discloses in, the setting of through-hole, spring and connecting plate, during the work piece rebound, the lower part of earlier contact protection casing, the work piece promotes the protection casing rebound, until surface and sponge polishing dish contact, is favorable to reducing the gap between protection casing and the work piece, and then prevents that the powder from flying out in the gap, increases the clearance effect of dust catcher to the powder simultaneously.

The utility model discloses in, sealed setting of filling up, the protection casing when workpiece surface removes, sealed setting of filling up is between protection casing and work piece, is favorable to preventing that protection casing closed angle department fish tail workpiece surface when workpiece surface removes, influences the polishing quality of this equipment to the work piece.

The utility model discloses in, control box, button and PLC's setting, be favorable to making things convenient for the staff to control cylinder, driving motor, rotating electrical machines and dust catcher respectively, increase the intellectuality of this equipment.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the workpiece moving frame structure of the present invention.

Fig. 3 is a schematic structural diagram of the structure of the polishing driving frame of the present invention.

Fig. 4 is a schematic structural diagram of the adjustable suction hood structure of the present invention.

Fig. 5 is a schematic diagram of the electrical connection of the present invention.

In fig. 1 to 5:

1. a frame; 2. supporting legs; 3. mounting holes; 4. a cylinder; 5. a workpiece moving frame structure; 51. a fixed mount; 52. clamping the bolt; 53. an extension frame; 54. a longitudinal mounting seat; 55. a T-shaped slide rail; 56. a T-shaped slider; 57. an L-shaped positioning plate; 571. a handle; 6. a support pillar; 7. a cross beam; 71. a tooth socket; 8. installing a frame; 9. a gear; 10. a drive motor; 11. polishing the driving frame structure; 111. a rotating electric machine; 1111. a driving pulley; 1112. a transmission belt; 112. a mounting frame; 113. a fixed tube; 114. rotating the rod; 1141. a driven pulley; 115. a disc; 116. cleaning the brush; 12. a sponge polishing disk; 13. an adjustable dust hood structure; 131. a protective cover; 132. a dust collection duct; 133. a gasket; 134. a through hole; 135. a spring; 136. a connecting plate; 14. a vacuum cleaner; 141. a main dust collection pipe; 142. an auxiliary dust suction pipe; 15. a control box; 151. a button; 152. and (7) PLC.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

as shown in fig. 1 and fig. 2, the sheet metal polishing machine for the intelligent logistics production line of the present invention comprises a frame 1, supporting legs 2, mounting holes 3, a cylinder 4, a workpiece moving frame structure 5, supporting columns 6, a beam 7, a mounting frame 8, a gear 9, a driving motor 10, a polishing driving frame structure 11, a sponge polishing disc 12, an adjustable dust hood structure 13, a dust collector 14 and a control box 15, wherein the supporting legs 2 are respectively bolted to four corners of the lower part of the frame 1; the mounting hole 3 is formed in the middle of the inner side of the rack 1; the cylinders 4 are respectively arranged at the four corners of the inner side of the mounting hole 3 and are connected with the inner side of the frame 1 through bolts; the workpiece moving frame structure 5 is arranged at the upper part of the cylinder 4; the support column 6 is connected to the right side of the upper part of the frame 1 through a bolt; the cross beam 7 is connected to the upper part of the left side of the support column 6 through a bolt; the mounting frame 8 is sleeved on the outer side of the cross beam 7; the gear 9 is respectively coupled to the upper part and the lower part of the inner side of the mounting frame 8; the driving motor 10 is connected to the upper part of the rear end of the mounting frame 8 through a bolt, and an output shaft is connected with a gear 9 in a key mode; the polishing driving frame structure 11 is arranged at the lower part of the mounting frame 8; the sponge polishing disk 12 is arranged at the lower part of the polishing driving frame structure 11; the adjustable dust hood structure 13 is arranged on the outer side of the polishing driving frame structure 11; the dust collector 14 is connected to the lower part of the right side of the supporting column 6 through a bolt; the control box 15 is connected to the upper part of the right side of the support column 6 through a bolt; the workpiece moving frame structure 5 comprises a fixed frame 51, a clamping bolt 52, an extending frame 53, a longitudinal mounting seat 54, a T-shaped sliding rail 55, a T-shaped sliding block 56 and an L-shaped positioning plate 57, wherein the clamping bolt 52 is in threaded connection with the connecting position of the fixed frame 51 and the extending frame 53; the extending frame 53 is inserted into the left side of the inner part of the fixed frame 51; the longitudinal installation seat 54 is respectively bolted on the right side of the fixed frame 51 and the left side of the extending frame 53; the T-shaped slide rail 55 is arranged at the upper part of the inner side of the longitudinal mounting seat 54; the T-shaped sliding block 56 is inserted into the inner side of the T-shaped sliding rail 55; the L-shaped positioning plate 57 is connected to the upper part of the T-shaped sliding block 56 through a bolt; the position of the extension frame 53 on the inner side of the fixed frame 51 can be adjusted to fix workpieces with different widths, and the T-shaped sliding block 56 slides back and forth on the inner side of the T-shaped sliding rail 55 to drive the workpieces to move back and forth.

As shown in fig. 3, in the above embodiment, specifically, the polishing driving frame structure 11 includes a rotating motor 111, a mounting frame 112, a fixed pipe 113, a rotating rod 114, a disk 115 and a cleaning brush 116, wherein the mounting frame 112 is respectively bolted to the left and right sides of the lower part of the rotating motor 111; the fixed pipes 113 are respectively welded on one sides of the mounting frames 112 far away from the rotating motor 111; the rotating rod 114 is in bearing connection with the lower part of the inner side of the fixed tube 113; the disc 115 is bolted to the lower part of the rotating rod 114; the cleaning brush 116 is glued to the lower part of the disc 115; the rotating rod 114 drives the disc 115 to rotate, and the cleaning brush 116 is in contact with the surface of the workpiece to clean the surface of the workpiece, so that the smoothness of the polished workpiece is improved, and the polishing effect of the equipment is improved.

As shown in fig. 4, in the above embodiment, specifically, the adjustable dust hood structure 13 includes a protective hood 131, a dust suction pipe 132, a sealing gasket 133, a through hole 134, a spring 135 and a connecting plate 136, where the dust suction pipe 132 is respectively embedded in the left and right sides of the protective hood 131 and is communicated with the inside of the protective hood 131; the sealing gasket 133 is glued at the lower part of the protective cover 131; the through hole 134 is formed in the middle of the upper part of the protective cover 131; the springs 135 are respectively screwed at the left and right sides of the upper part of the protective cover 131; the connecting plate 136 is screwed on the upper part of the spring 135; the spring 135 pushes the shield 131 downward by an elastic force to bring the packing 133 into close contact with the surface of the workpiece, preventing powder generated during polishing from flying out in the gap between the shield 131 and the workpiece.

In the above embodiment, specifically, the upper and lower portions of the inner side of the cross beam 7 are respectively provided with the tooth grooves 71, and the gears 9 are respectively provided on the upper and lower portions of the cross beam 7 and meshed with the tooth grooves 71.

In the above embodiment, specifically, the inlet of the vacuum cleaner 14 is screwed with the main dust suction pipe 141, the upper portion of the main dust suction pipe 141 is glued with the auxiliary dust suction pipe 142, and the inner side of the auxiliary dust suction pipe 142 is communicated with the inner side of the main dust suction pipe 141.

In the above embodiment, specifically, the upper screw at the front end of the control box 15 is connected with the button 151, and the left screw inside the control box 15 is connected with the PLC 152.

In the above embodiment, specifically, two L-shaped positioning plates 57 are provided, the L-shaped positioning plates 57 on the left and right sides are symmetrically provided, and a handle 571 is screwed to the outer side of each L-shaped positioning plate 57.

In the above embodiment, specifically, the middle position of the output shaft of the rotating electrical machine 111 is connected with a driving pulley 1111 by a screw, the outer side of the driving pulley 1111 is connected with a driving belt 1112, the middle position of the rotating rod 114 is connected with a driven pulley 1141 by a screw, and the right side of the driving belt 1112 is sleeved on the outer side of the driven pulley 1141.

In the above embodiment, specifically, the upper portion of the cylinder 4 is respectively connected to the four lower corners of the fixing frame 51 by bolts.

In the above embodiment, specifically, the rotating motor 111 is screwed to the lower portion of the mounting frame 8, and the sponge polishing disk 12 is disposed below the rotating motor 111 and is screwed to the output shaft of the rotating motor 111.

In the above embodiment, specifically, the protective cover 131 is sleeved outside the rotating electrical machine 111, and the connecting plates 136 are respectively bolted to the left and right sides of the lower portion of the rotating electrical machine 111.

In the above embodiment, specifically, two dust suction pipes 132 are provided, the right dust suction pipe 132 is screwed to the lower portion of the main dust suction pipe 141, and the left main dust suction pipe 141 is screwed to the auxiliary dust suction pipe 142.

In the above embodiment, specifically, the button 151 is electrically connected to an input end of the PLC152, and the cylinder 4, the driving motor 10, the rotating motor 111 and the vacuum cleaner 14 are respectively electrically connected to an output end of the PLC 152.

In the above embodiment, the PLC152 specifically uses a PLC of model FX2N-48, the vacuum cleaner 14 uses an SAV-110R-8A vacuum cleaner, the driving motor 10 specifically uses a motor of model Z5BLD40W, the rotating motor 111 specifically uses a motor of model MS-80M2, and the cylinder 4 specifically uses a cylinder of model SC63 × 50.

Principle of operation

The utility model discloses a theory of operation: when the polishing device is used, the position of the extending frame 53 on the inner side of the fixed frame 51 is adjusted according to the width of a workpiece, then the workpiece is placed on the inner side of the L-shaped positioning plate 57, the clamping bolt 52 is screwed, the relative positions of the extending frame 53 and the fixed frame 51 are fixed, the button 151 is pressed, the PLC152 controls the air cylinder 4, the driving motor 10, the rotating motor 111 and the dust collector 14 respectively, the output rod of the air cylinder 4 pushes the workpiece moving frame structure 5 to move upwards so as to push the workpiece to move upwards, the surface of the workpiece contacts the lower part of the sealing gasket 133 firstly, the workpiece pushes the protective cover 131 to move upwards through the sealing gasket 133 until the surface of the workpiece contacts the sponge polishing disc 12, the spring 135 pushes the protective cover 131 downwards so that the sealing gasket 133 is in tight contact with the surface of the workpiece, then the driving motor 10, the rotating motor 111 and the dust collector 14 are started simultaneously, the rotating, meanwhile, the driving belt wheel 1111 drives the driven belt wheel 1141 to rotate through the driving belt 1112, the rotating rod 114 rotates, the rotating rod 114 drives the disc 115 to rotate, the cleaning brush 116 cleans the surface of the workpiece, the polishing effect of the device is improved, the driving motor 10 drives the gear 9 to rotate, the mounting frame 8 drives the rotating motor 111 to move left and right through the meshing of the gear 9 and the tooth groove 71, the surface of the workpiece is polished in the left and right directions, a worker holds the handle 571 in a hand, the workpiece is pushed in the front and back directions to integrally polish the surface of the workpiece, powder and dust generated during polishing are blocked inside by the protective cover 131, and meanwhile, the dust collector 14 sucks away the powder and dust generated during polishing through the main dust collection pipe 141 and the auxiliary dust collection pipe 142 respectively.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The sheet metal polishing machine for the intelligent logistics production line is characterized by comprising a rack (1), supporting legs (2), mounting holes (3), an air cylinder (4), a workpiece moving frame structure (5), supporting columns (6), a cross beam (7), a mounting frame (8), gears (9), a driving motor (10), a polishing driving frame structure (11), a sponge polishing disc (12), an adjustable dust hood structure (13), a dust collector (14) and a control box (15), wherein the supporting legs (2) are respectively connected to the four corners of the lower portion of the rack (1) through bolts; the mounting hole (3) is formed in the middle of the inner side of the rack (1); the cylinders (4) are respectively arranged at the four corners of the inner side of the mounting hole (3) and are connected with the inner side of the frame (1) through bolts; the workpiece moving frame structure (5) is arranged at the upper part of the cylinder (4); the supporting column (6) is connected to the right side of the upper part of the rack (1) through a bolt; the cross beam (7) is connected to the upper part of the left side of the supporting column (6) through a bolt; the mounting frame (8) is sleeved on the outer side of the cross beam (7); the gear (9) is respectively coupled to the upper part and the lower part of the inner side of the mounting frame (8); the driving motor (10) is connected to the upper part of the rear end of the mounting frame (8) through a bolt, and an output shaft is connected with a key of the gear (9); the polishing driving frame structure (11) is arranged at the lower part of the mounting frame (8); the sponge polishing disk (12) is arranged at the lower part of the polishing driving frame structure (11); the adjustable dust hood structure (13) is arranged on the outer side of the polishing driving frame structure (11); the dust collector (14) is connected to the lower part of the right side of the supporting column (6) through a bolt; the control box (15) is connected to the upper part of the right side of the support column (6) through a bolt; the workpiece moving frame structure (5) comprises a fixed frame (51), a clamping bolt (52), an extending frame (53), a longitudinal mounting seat (54), a T-shaped sliding rail (55), a T-shaped sliding block (56) and an L-shaped positioning plate (57), wherein the clamping bolt (52) is in threaded connection with the connecting part of the fixed frame (51) and the extending frame (53); the extending frame (53) is inserted into the left side of the inside of the fixed frame (51); the longitudinal mounting seat (54) is respectively connected to the right side of the fixed frame (51) and the left side of the extending frame (53) through bolts; the T-shaped sliding rail (55) is arranged at the upper part of the inner side of the longitudinal mounting seat (54); the T-shaped sliding block (56) is inserted into the inner side of the T-shaped sliding rail (55); the L-shaped positioning plate (57) is connected to the upper part of the T-shaped sliding block (56) through bolts.

2. The sheet metal polishing machine for the intelligent logistics production line as claimed in claim 1, wherein the polishing driving frame structure (11) comprises a rotating motor (111), a mounting frame (112), a fixing pipe (113), a rotating rod (114), a disc (115) and a cleaning brush (116), wherein the mounting frame (112) is respectively bolted on the left side and the right side of the lower part of the rotating motor (111); the fixed pipes (113) are respectively welded on one side of the mounting frame (112) far away from the rotating motor (111); the rotating rod (114) is connected to the lower part of the inner side of the fixed pipe (113) through a bearing; the disc (115) is connected to the lower part of the rotating rod (114) through a bolt; the cleaning brush (116) is glued on the lower part of the disc (115).

3. The sheet metal polishing machine for the intelligent logistics production line as claimed in claim 1, wherein the adjustable dust hood structure (13) comprises a protective hood (131), a dust suction pipe (132), a sealing gasket (133), a through hole (134), a spring (135) and a connecting plate (136), wherein the dust suction pipe (132) is respectively embedded in the left side and the right side of the protective hood (131) and is communicated with the inner side of the protective hood (131); the sealing gasket (133) is glued to the lower part of the protective cover (131); the through hole (134) is formed in the middle of the upper part of the protective cover (131); the springs (135) are respectively connected to the left side and the right side of the upper part of the protective cover (131) through screws; the connecting plate (136) is connected to the upper part of the spring (135) through a screw.

4. The sheet metal polishing machine for the intelligent logistics production line as recited in claim 1, wherein the upper and lower parts of the inner side of the beam (7) are respectively provided with a tooth groove (71), and the gears (9) are respectively arranged on the upper and lower parts of the beam (7) and meshed with the tooth grooves (71).

5. The sheet metal polishing machine for the intelligent logistics production line as claimed in claim 1, wherein a main dust suction pipe (141) is connected to an inlet of the dust collector (14) through a screw, an auxiliary dust suction pipe (142) is connected to the upper portion of the main dust suction pipe (141) in an adhesive manner, and the inner side of the auxiliary dust suction pipe (142) is communicated with the inner side of the main dust suction pipe (141).

6. The sheet metal polishing machine for the intelligent logistics production line as recited in claim 1, wherein a button (151) is connected to the upper portion of the front end of the control box (15) through a screw, and a PLC (152) is connected to the left side of the inside of the control box (15) through a screw.

7. The sheet metal polishing machine for the intelligent logistics production line as recited in claim 1, wherein the number of the L-shaped positioning plates (57) is two, the L-shaped positioning plates (57) on the left and right sides are symmetrically arranged, and the outer side of each L-shaped positioning plate (57) is connected with a handle (571) through a screw.

8. The sheet metal polishing machine for the intelligent logistics production line as claimed in claim 2, wherein the screw at the middle position of the output shaft of the rotating motor (111) is connected with a main driving wheel (1111), the outer side of the main driving wheel (1111) is connected with a driving belt (1112), the screw at the middle position of the rotating rod (114) is connected with a driven pulley (1141), and the right side of the driving belt (1112) is sleeved on the outer side of the driven pulley (1141).

9. The sheet metal polishing machine for the intelligent logistics production line as claimed in claim 1, wherein the upper part of the cylinder (4) is respectively connected with the four corners of the lower part of the fixing frame (51) through bolts.

10. The sheet metal polishing machine for the intelligent logistics production line as recited in claim 2, wherein the rotating motor (111) is connected to the lower part of the mounting frame (8) through screws, and the sponge polishing disc (12) is arranged on the lower part of the rotating motor (111) and is connected with an output shaft of the rotating motor (111) through screws.