Polishing device for metal plate production

Abstract

The utility model discloses a polishing device for sheet metal production, which relates to the field of sheet metal production, and comprises a box body, a support table, a door, an observation window and a control panel, and further comprises a fixing component, a polishing component and a polishing component, the moving assembly is arranged on the box body; the polishing assembly is arranged on the moving assembly, and the polishing assembly is matched with the moving assembly; and the cleaning assembly is arranged on the box body. Through cooperation of the position sensor and the polishing cutter, the position of the polishing cutter can be accurately tracked, the accuracy of a polishing path is guaranteed, the quality of a metal plate product is further improved, through cooperation of the movement assembly and the movement assembly, the polishing assembly can automatically and rapidly move front, back, left and right, and the polishing efficiency is improved. And the polishing efficiency of the polishing assembly is improved. And the collecting box is matched with the rolling wheels, so that the collected sweeps can be taken out more quickly and conveniently to be treated, and the treatment efficiency of the sweeps is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal production field especially, relate to a polishing device for sheet metal production. BACKGROUND

[0002] Sheet metal has the characteristics of light weight, high strength, electrical conductivity (can be used for electromagnetic shielding), low cost, good mass production performance, etc. It has been widely used in the fields of electronic appliances, communication, automobile industry, medical equipment, etc. For example, in computer cases, mobile phones, MP3, sheet metal is an essential component. With the increasingly wide application of sheet metal, the design of sheet metal parts has become an important part of the product development process. Mechanical engineers must master the design skills of sheet metal parts to ensure that the designed sheet metal meets the functional and appearance requirements of the product. The appearance requirements of sheet metal make the polishing process an indispensable part of sheet metal processing.

[0003] The current polishing device can perform automatic polishing, but the polishing cutter of the device can only perform horizontal movement to the left and right, which makes the polishing path relatively single, thereby reducing the polishing efficiency. Moreover, there is no position sensor on the polishing assembly, which cannot accurately capture the movement path of the polishing cutter, thereby cannot guarantee the polishing degree of the polished sheet metal product, and reduces the quality of the sheet metal product. SUMMARY

[0004] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a polishing device for sheet metal production, which aims to solve the above technical problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A polishing device for sheet metal production, comprising a box body, a support table, a door, an observation window and a control panel, further comprising:

[0007] A fixing assembly is arranged on the support table;

[0008] A movement assembly is arranged on the box body;

[0009] A polishing assembly is arranged on the movement assembly, and the polishing assembly cooperates with the movement assembly to enable the polishing assembly to move forward, backward, left and right quickly and automatically, thereby improving the working efficiency of the polishing assembly in polishing large-size sheet metal products;

[0010] A cleaning assembly is arranged on the box body to clean the waste generated on the surface of the sheet metal product due to polishing.

[0011] Preferably, the fixing assembly comprises:

[0012] A work platform is arranged on the support table, and the work platform is fixedly connected with the support table.

[0013] A first electric telescopic rod is arranged on the work platform, and the first electric telescopic rod is fixedly connected with the work platform.

[0014] A first fixed block is arranged on the first electric telescopic rod, and the first fixed block is fixedly connected with the first electric telescopic rod.

[0015] A second electric telescopic rod is arranged on the work platform, and the second electric telescopic rod is fixedly connected with the work platform.

[0016] A second fixed block is arranged on the second electric telescopic rod, and the second fixed block is fixedly connected with the second electric telescopic rod.

[0017] A pressure sensor is arranged on the work platform, and the pressure sensor is fixedly connected with the work platform.

[0018] Preferably, the movement assembly comprises:

[0019] A first driving motor is arranged on the box body, and the first driving motor is fixedly connected with the box body.

[0020] A conveying belt is arranged on the output shaft of the first driving motor, and the conveying belt is rollingly connected with the output shaft of the first driving motor.

[0021] A threaded rod is arranged on the box body, and the threaded rod is rollingly connected with the box body and the conveying belt.

[0022] A sliding plate is arranged on the box body, and the sliding plate is slidingly connected with the box body and threadedly connected with the threaded rod.

[0023] A sliding rail is arranged on the sliding plate, and the sliding rail is fixedly connected with the sliding plate.

[0024] A second driving motor is arranged on the sliding plate, and the second driving motor is fixedly connected with the sliding plate.

[0025] A lead screw is arranged on the sliding rail, and the lead screw is rollingly connected with the sliding rail and fixedly connected with the output shaft of the second driving motor.

[0026] A sliding block is arranged on the sliding rail, and the sliding block is slidingly connected with the sliding rail and threadedly connected with the lead screw.

[0027] Preferably, the polishing assembly comprises:

[0028] A pneumatic cylinder is arranged on the sliding block and fixedly connected with the sliding block.

[0029] A pneumatic rod is arranged on the pneumatic cylinder and slidably connected with the pneumatic cylinder.

[0030] An installation plate is arranged on the pneumatic rod and fixedly connected with the pneumatic rod.

[0031] A servo motor is arranged on the installation plate and fixedly connected with the installation plate.

[0032] A polishing cutter is arranged on the output shaft of the servo motor and fixedly connected with the output shaft of the servo motor.

[0033] A position sensor is arranged on the installation plate and fixedly connected with the installation plate.

[0034] Preferably, the cleaning assembly comprises:

[0035] An air blower is arranged on the box body and fixedly connected with the box body.

[0036] An air conveying pipe is arranged on the box body and fixedly connected with the box body.

[0037] An air outlet is arranged on the box body and fixedly connected with the box body.

[0038] A roller is arranged on the box body and rollingly connected with the box body.

[0039] A collection box is arranged on the roller and contactingly connected with the roller.

[0040] Preferably, the first electric telescopic rod and the second electric telescopic rod are respectively provided with two groups and symmetrically distributed on the workbench.

[0041] Preferably, the pressure sensor is provided with four and uniformly distributed on the workbench.

[0042] As described above, due to the adoption of the above technical scheme, the present application has the following advantages:

[0043] 1. The position of the polishing cutter can be accurately tracked through the cooperation of the position sensor and the polishing cutter, the accuracy of the polishing path is ensured, the quality of the sheet metal product is improved, and the polishing assembly can be quickly and automatically moved forward, backward, left and right through the cooperation of the movement assembly and the movement assembly, thereby improving the working efficiency of the polishing assembly in polishing large-size sheet metal products.

[0044] 2. Through cooperation of the collecting box and the rollers, the collected waste can be taken out more quickly and conveniently for disposal, improving the waste disposal efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0045] In order to more clearly illustrate the technical schemes of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0046] Figure 1 A three-dimensional structure schematic diagram of a polishing device for sheet metal production is shown.

[0047] Figure 2 A partial structure schematic diagram of a polishing device for sheet metal production is shown.

[0048] Figure 3 A partial structure schematic diagram of a polishing device for sheet metal production is shown. Figure 2 A partial enlarged schematic diagram of part A in the figure is shown.

[0049] Figure 4 Another partial structure schematic diagram of a polishing device for sheet metal production is shown.

[0050] Figure 5 A partial enlarged schematic diagram of part B in the figure is shown. Figure 4 A partial enlarged schematic diagram of part B in the figure is shown.

[0051] LEGEND:

[0052] 1. box; 2, support table; 3, door; 4, observation window; 5, control panel; 6, work platform; 7, first electric telescopic rod; 8, first fixed block; 9, second electric telescopic rod; 10, second fixed block; 11, pressure sensor; 12, first drive motor; 13, conveyor belt; 14, threaded rod; 15, sliding plate; 16, sliding rail; 17, second drive motor; 18, screw rod; 19, sliding block; 20, air cylinder; 21, air pressure rod; 22, mounting plate; 23, servo motor; 24, polishing cutter; 25, position sensor; 26, air blower; 27, air conveying pipe; 28, air outlet; 29, roller; 30, collecting box. DETAILED DESCRIPTION

[0053] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0054] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0055] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there can be a middle component. When a component is referred to as "connected to" another component, it can be directly connected to the other component or there can be a middle component. When a component is referred to as "disposed on" another component, it can be directly disposed on the other component or there can be a middle component. The terms "vertical", "horizontal", "left", "right" and the like used herein are for illustrative purposes only.

[0056] In addition, the terms "first", "second" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implying the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0057] Referring to Figures 1 to 5 Further description is made to the polishing device for sheet metal production.

[0058] A polishing device for sheet metal production, comprising a box body 1, a support table 2, a door 3, an observation window 4 and a control panel 5, further comprising:

[0059] A fixing assembly is arranged on the support table 2, and the fixing assembly comprises:

[0060] A working platform 6 is arranged on the support table 2, and the working platform 6 is fixedly connected with the support table 2.

[0061] First electric telescopic rod 7, set up in the work platform 6, first electric telescopic rod 7 with the work platform 6 fixed connection, first electric telescopic rod 7 has two groups, and symmetrically distributed on the workbench;

[0062] First fixed block 8, set up in the first electric telescopic rod 7, first fixed block 8 with the first electric telescopic rod 7 fixed connection;

[0063] Second electric telescopic rod 9, set up in the work platform 6, second electric telescopic rod 9 with the work platform 6 fixed connection, second electric telescopic rod 9 has two groups, and symmetrically distributed on the workbench;

[0064] Second fixed block 10, set up in the second electric telescopic rod 9, second fixed block 10 with the second electric telescopic rod 9 fixed connection;

[0065] Pressure sensor 11, set up in the work platform 6, pressure sensor 11 with the work platform 6 fixed connection, pressure sensor 11 has four, and evenly distributed on the workbench.

[0066] Put sheet metal product on the workbench, start first electric telescopic rod 7, second electric telescopic rod 9 through control panel 5, first electric telescopic rod 7, second electric telescopic rod 9 retracting movement to drive the first fixed block 8, second fixed block 10 fixed connection with first electric telescopic rod 7, second electric telescopic rod 9 retracting movement, until the sheet metal product is tightly fixed to close first electric telescopic rod 7, second electric telescopic rod 9, facilitate subsequent work.

[0067] Referring to Figures 1 to 5 , movement assembly, set up in the box 1, the movement assembly includes:

[0068] First drive motor 12, set up in the box 1, first drive motor 12 with the box 1 fixed connection;

[0069] Conveyor belt 13, set up in the output shaft of the first drive motor 12, conveyor belt 13 with the output shaft of the first drive motor 12 rolling connection;

[0070] Threaded rod 14, set up in the box 1, threaded rod 14 with the box 1 rolling connection, threaded rod 14 with the conveyor belt 13 rolling connection;

[0071] Slide plate 15, set up in the box 1, slide plate 15 with the box 1 sliding connection, slide plate 15 with the threaded rod 14 screw connection;

[0072] A slide rail 16 is arranged on the slide plate 15, and the slide rail 16 is fixedly connected with the slide plate 15.

[0073] A second driving motor 17 is arranged on the slide plate 15, and the second driving motor 17 is fixedly connected with the slide plate 15.

[0074] A screw rod 18 is arranged on the slide rail 16, and the screw rod 18 is rollingly connected with the slide rail 16, and the screw rod 18 is fixedly connected with the output shaft of the second driving motor 17.

[0075] A sliding block 19 is arranged on the slide rail 16, and the sliding block 19 is slidingly connected with the slide rail 16, and the sliding block 19 is threadedly connected with the screw rod 18.

[0076] The first driving motor 12 is started, the output shaft of the first driving motor 12 rotates to drive the transmission belt 13 rollingly connected with the output shaft of the first driving motor 12 to rotate, the transmission belt 13 rotates to drive the threaded rod 14 rollingly connected with the transmission belt 13 to rotate, thereby driving the slide plate 15 threadedly connected with the threaded rod 14 to rotate, since the slide plate 15 is slidingly connected with the box body 1, the slide plate 15 can only move in the forward and backward directions, the slide plate 15 moves in the forward and backward directions to drive the slide rail 16 fixedly connected with the slide plate 15 to move in the forward and backward directions, thereby driving the sliding block 19 slidingly connected with the slide rail 16 to move in the forward and backward directions, the sliding block 19 moves in the forward and backward directions to drive the polishing assembly arranged on the sliding block 19 to move in the forward and backward directions, the second driving motor 17 is started, the output shaft of the second driving motor 17 rotates to drive the screw rod 18 fixedly connected with the output shaft of the second driving motor 17 to rotate, thereby driving the sliding block 19 threadedly connected with the screw rod 18 to rotate, since the sliding block 19 is limited to rotate by the slide rail 16 slidingly connected with the sliding block 19, the sliding block 19 can only move in the left and right directions along the slide rail 16, the sliding block 19 moves in the left and right directions to drive the polishing assembly arranged on the sliding block 19 to move in the left and right directions, thereby facilitating subsequent work.

[0077] Referring to Figures 1 to 5 The polishing assembly is arranged on the movement assembly, and the polishing assembly and the movement assembly are matched, so that the polishing assembly can move in the forward and backward directions and the left and right directions quickly and automatically, and the working efficiency of the polishing assembly in polishing large-size sheet metal products is improved.

[0078] A pneumatic cylinder 20 is arranged on the sliding block 19, and the pneumatic cylinder 20 is fixedly connected with the sliding block 19.

[0079] A pneumatic rod 21 is arranged on the pneumatic cylinder 20, and the pneumatic rod 21 is slidingly connected with the pneumatic cylinder 20.

[0080] A mounting plate 22 is arranged on the pneumatic rod 21, and the mounting plate 22 is fixedly connected with the pneumatic rod 21.

[0081] A servo motor 23 is arranged on the mounting plate 22, and the servo motor 23 is fixedly connected with the mounting plate 22;

[0082] A polishing cutter 24 is arranged on the output shaft of the servo motor 23, and the polishing cutter 24 is fixedly connected with the output shaft of the servo motor 23;

[0083] A position sensor 25 is arranged on the mounting plate 22, and the position sensor 25 is fixedly connected with the mounting plate 22.

[0084] Referring to Figures 1 to 5 , the air cylinder 20 is started, the gas in the air cylinder 20 pushes the air cylinder rod 21 in sliding connection with the air cylinder 20 to move downward, the downward movement of the air cylinder rod 21 drives the mounting plate 22 fixedly connected with the air cylinder rod 21 to move downward, thereby driving the servo motor 23 fixedly connected with the mounting plate 22 to move downward, the downward movement of the servo motor 23 drives the polishing cutter 24 fixedly connected with the output shaft of the servo motor 23 to move downward, when the position sensor 25 senses that the polishing cutter 24 reaches the specified position and the pressure sensor 11 senses that the pressure borne by the sheet metal product is in the normal range, the air cylinder 20 is turned off, the servo motor 23 is started, the rotation of the output shaft of the servo motor 23 drives the polishing cutter 24 fixedly connected with the output shaft of the servo motor 23 to rotate, thereby realizing the polishing work of the polishing cutter 24 on the sheet metal product.

[0085] Through the cooperation of the position sensor 25 and the polishing cutter 24, the position of the polishing cutter 24 can be accurately tracked, the accuracy of the polishing path is ensured, thereby improving the quality of the sheet metal product, and through the cooperation of the movement assembly and the movement assembly, the polishing assembly can be quickly and automatically moved forward, backward, left and right, thereby improving the working efficiency of the polishing assembly in polishing large-size sheet metal products.

[0086] Referring to Figures 1 to 5 A cleaning assembly is arranged on the box body 1 and is used for cleaning the waste chips generated on the surface of the sheet metal product due to polishing, and the cleaning assembly comprises:

[0087] An air blower 26 is arranged on the box body 1, and the air blower 26 is fixedly connected with the box body 1;

[0088] An air conveying pipe 27 is arranged on the box body 1, and the air conveying pipe 27 is fixedly connected with the box body 1;

[0089] An air outlet 28 is arranged on the box body 1, and the air outlet 28 is fixedly connected with the box body 1;

[0090] A roller 29 is arranged on the box body 1, and the roller 29 is in rolling connection with the box body 1;

[0091] A collecting box 30 is arranged on the roller 29, and the collecting box 30 is in contact with the roller 29.

[0092] The waste collected by the collecting box 30 can be taken out more quickly and conveniently in cooperation with the roller 29, and the efficiency of waste treatment is improved.

[0093] Working principle: refer to Figures 1 to 5The sheet metal product is placed on the workbench, the first electric telescopic rod 7 and the second electric telescopic rod 9 are started through the control panel 5, the first electric telescopic rod 7 and the second electric telescopic rod 9 retract to drive the first fixed block 8 and the second fixed block 10 fixedly connected with the first electric telescopic rod 7 and the second electric telescopic rod 9 to retract, until the sheet metal product is tightly fixed to close the first electric telescopic rod 7 and the second electric telescopic rod 9, the pneumatic cylinder 20 is started, the gas in the pneumatic cylinder 20 pushes the pneumatic rod 21 slidingly connected with the pneumatic cylinder 20 to move downward, the pneumatic rod 21 moves downward to drive the mounting plate 22 fixedly connected with the pneumatic rod 21 to move downward, thereby driving the servo motor 23 fixedly connected with the mounting plate 22 to move downward, when the position sensor 25 senses that the polishing cutter 24 reaches the specified position and the pressure sensor 11 senses that the pressure borne by the sheet metal product is in the normal range, the pneumatic cylinder 20 is closed, the first drive motor 12 is started, the output shaft of the first drive motor 12 rotates to drive the conveyor belt 13 rollingly connected with the output shaft of the first drive motor 12 to rotate, the conveyor belt 13 rotates to drive the threaded rod 14 rollingly connected with the conveyor belt 13 to rotate, thereby driving the sliding plate 15 threadedly connected with the threaded rod 14 to rotate, since the sliding plate 15 is slidingly connected with the box body 1, the sliding plate 15 can only move in the forward and backward translation, the sliding plate 15 moves in translation to drive the sliding rail 16 fixedly connected with the sliding plate 15 to move in translation, thereby driving the sliding block 19 slidingly connected with the sliding rail 16 to move in translation, the sliding block 19 moves in translation to drive the polishing assembly arranged on the sliding block 19 to move in the forward and backward translation, the second drive motor 17 is started, the output shaft of the second drive motor 17 rotates to drive the screw rod 18 fixedly connected with the output shaft of the second drive motor 17 to rotate, thereby driving the sliding block 19 threadedly connected with the screw rod 18 to rotate, since the sliding block 19 is limited to rotate by the slidingly connected sliding rail 16, the sliding block 19 can only move in the left and right translation along the sliding rail 16, the sliding block 19 moves in translation to drive the polishing assembly arranged on the sliding block 19 to move in the left and right translation, the servo motor 23 is started, the output shaft of the servo motor 23 rotates to drive the polishing cutter 24 fixedly connected with the output shaft of the servo motor 23 to rotate, thereby realizing the polishing work of the polishing cutter 24 on the sheet metal product, the air blower 26 is started, the wind generated by the air blower 26 is blown out through the air conveying pipe 27 by the air outlet 28, the blown wind blows the waste on the surface of the sheet metal product into the collecting box 30, when the collecting box 30 is full, the collecting box 30 is drawn out to dispose the waste.

[0094] The foregoing description of the embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A polishing device for sheet metal production, comprising a housing (1), a support platform (2), a door (3), an observation window (4), and a control panel (5), characterized in that, Also includes: A fixing component is disposed on the support platform (2); A motion component is disposed on the housing (1); A polishing component is mounted on the motion component. The polishing component cooperates with the motion component to enable the polishing component to move quickly and automatically in all directions, thereby improving the working efficiency of the polishing component in polishing large-sized sheet metal products. A cleaning component is installed on the housing (1) and is used to clean the waste generated on the surface of sheet metal products due to polishing.

2. The polishing device for sheet metal production according to claim 1, characterized in that, The fixing component includes: A working platform (6) is set on the support platform (2), and the working platform (6) is fixedly connected to the support platform (2); A first electric telescopic rod (7) is installed on the working platform (6), and the first electric telescopic rod (7) is fixedly connected to the working platform (6); The first fixing block (8) is disposed on the first electric telescopic rod (7), and the first fixing block (8) is fixedly connected to the first electric telescopic rod (7); The second electric telescopic rod (9) is installed on the working platform (6) and is fixedly connected to the working platform (6); The second fixing block (10) is disposed on the second electric telescopic rod (9), and the second fixing block (10) is fixedly connected to the second electric telescopic rod (9); A pressure sensor (11) is mounted on the working platform (6) and is fixedly connected to the working platform (6).

3. The polishing device for sheet metal production according to claim 2, characterized in that, The motion component includes: A first drive motor (12) is mounted on the housing (1), and the first drive motor (12) is fixedly connected to the housing (1); A conveyor belt (13) is disposed on the output shaft of the first drive motor (12), and the conveyor belt (13) is tumbledly connected to the output shaft of the first drive motor (12); A threaded rod (14) is disposed on the housing (1), the threaded rod (14) is tactilely connected to the housing (1), and the threaded rod (14) is tactilely connected to the conveyor belt (13); A sliding plate (15) is disposed on the housing (1), the sliding plate (15) is slidably connected to the housing (1), and the sliding plate (15) is threadedly connected to the threaded rod (14); A slide rail (16) is provided on the slide plate (15), and the slide rail (16) is fixedly connected to the slide plate (15); A second drive motor (17) is mounted on the slide plate (15), and the second drive motor (17) is fixedly connected to the slide plate (15); A lead screw (18) is mounted on the slide rail (16), the lead screw (18) is tumbledly connected to the slide rail (16), and the lead screw (18) is fixedly connected to the output shaft of the second drive motor (17); A slider (19) is disposed on the slide rail (16), the slider (19) is slidably connected to the slide rail (16), and the slider (19) is threadedly connected to the lead screw (18).

4. A polishing device for sheet metal production according to claim 3, characterized in that, The polishing assembly includes: A pneumatic cylinder (20) is mounted on the slider (19), and the pneumatic cylinder (20) is fixedly connected to the slider (19); A pneumatic rod (21) is mounted on the pneumatic cylinder (20), and the pneumatic rod (21) is slidably connected to the pneumatic cylinder (20); Mounting plate (22) is mounted on the pneumatic rod (21), and the mounting plate (22) is fixedly connected to the pneumatic rod (21); A servo motor (23) is mounted on the mounting plate (22), and the servo motor (23) is fixedly connected to the mounting plate (22); A polishing tool (24) is mounted on the output shaft of the servo motor (23), and the polishing tool (24) is fixedly connected to the output shaft of the servo motor (23). A position sensor (25) is placed on the mounting plate (22), and the position sensor (25) is fixedly connected to the mounting plate (22).

5. A polishing device for sheet metal production according to claim 4, characterized in that, The cleaning component includes: A blower (26) is mounted on the housing (1), and the blower (26) is fixedly connected to the housing (1); An air supply pipe (27) is installed on the housing (1), and the air supply pipe (27) is fixedly connected to the housing (1); An air outlet (28) is provided on the housing (1), and the air outlet (28) is fixedly connected to the housing (1); A roller (29) is disposed on the housing (1), and the roller (29) is rotatably connected to the housing (1); A collection box (30) is disposed on the roller (29), and the collection box (30) is in contact with the roller (29).

6. A polishing device for sheet metal production according to claim 5, characterized in that, There are two sets of the first electric telescopic rod (7) and the second electric telescopic rod (9), and they are symmetrically distributed on the workbench.

7. A polishing device for sheet metal production according to claim 6, characterized in that, There are four pressure sensors (11), which are evenly distributed on the worktable.

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