Automatic polishing and cleaning device for steel sheet metal parts

Abstract

The application discloses an automatic polishing and cleaning device for steel sheet metal parts, relates to the technical field of polishing equipment, and is characterized in that a clamping moving mechanism is slidably connected to the track groove in the horizontal direction, a plurality of steel sheet metal parts are clamped on the clamping moving mechanism, a rough polishing mechanism and a fine polishing mechanism for automatically polishing the steel sheet metal parts are arranged on the workbench, the top surface height of the fixed platform is higher than the top surface height of the support column body platform, a plurality of placing grooves are formed between the fixed platform and the support column body platform, the steel sheet metal parts are placed in the placing grooves, the steel sheet metal parts can be fixed and clamped, and the device has the advantages of high clamping stability. Meanwhile, the rough polishing mechanism is used for rough polishing the steel sheet metal parts, the steel sheet metal parts are moved into the second shell after rough polishing, the fine polishing mechanism is used for fine polishing the steel sheet metal parts, the polishing operation of the steel sheet metal parts is completed, the whole process is automatically operated, manual intervention is reduced, and the polishing finished product quality and production efficiency are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of polishing equipment, in particular to an automatic polishing and cleaning device for steel sheet metal parts. BACKGROUND

[0002] Steel sheet metal parts have the characteristics of light weight, high strength, low cost, good mass production performance, etc., and are widely used in many industrial fields such as automobile manufacturing, mechanical processing, building decoration, aerospace, etc. In actual production, after the steel sheet metal parts are cut, stamped, welded and other pre-processing, burrs, scales, scratches and processing lines may be left on the surface, which not only affects the appearance quality of the product, but also reduces the assembly precision, corrosion resistance and service life of the parts. Therefore, polishing and cleaning are indispensable key processes in the processing flow of steel sheet metal parts.

[0003] The existing polishing device needs to disassemble and replace the clamp and re-adjust the positioning when processing steel sheet metal parts of different thickness, width or size, which causes positioning error due to disassembly and assembly of the clamp, thereby affecting the polishing precision, and there is also a problem of insufficient clamping stability. During the polishing process, the workpiece is easy to deviate, and over-polishing or missed polishing may occur. At the same time, the existing equipment generally lacks effective sealing and recycling structure, and the metal dust generated during polishing directly diffuses to the workshop environment, which is harmful to the health of the operators. SUMMARY

[0004] The technical problem to be solved by the present application is to overcome the shortcomings of the above-mentioned prior art, and to provide an automatic polishing and cleaning device for steel sheet metal parts, which is suitable for stable clamping of steel sheet metal parts of different sizes, has high polishing finished product quality and high production efficiency, and is convenient for recycling of polishing waste.

[0005] The technical scheme adopted to solve the above technical problems is that a track groove is arranged on a workbench, a clamping moving mechanism is slidably connected to the track groove in a horizontal direction, a plurality of steel sheet metal parts are clamped on the clamping moving mechanism, a first shell is arranged on the workbench, and a rough polishing mechanism for automatically rough polishing the plurality of steel sheet metal parts on the clamping moving mechanism is arranged in the first shell.

[0006] Further, a second shell is arranged on the workbench and located at one side of the first shell, the structure of the first shell is the same as that of the second shell, the two sides of the first shell are respectively provided with sliding grooves, a first side baffle is slidably connected to one of the sliding grooves of the first shell in a vertical direction, the first side baffle covers the open end of the first shell at the side, a second side baffle is slidably connected to the other sliding groove of the first shell in a vertical direction, the second side baffle covers the outlet end of the first shell at the other side, and the top of the first side baffle is fixedly connected to the top of the second side baffle through a support.

[0007] Further, a second motor is arranged on the top of the first shell, the output shaft of the second motor is fixedly connected to a cam, a second connecting rod is arranged on the top of the rough polishing mechanism, the cam is in contact with the support and the second connecting rod, the second connecting rod is located below the cam, the support is located above the cam, and a waste recovery box for collecting polishing waste is arranged at the bottom of the first shell and the second shell.

[0008] Further, a second shell is arranged on the workbench and located at one side of the first shell, the structure of the first shell is the same as that of the second shell, the two sides of the first shell are respectively provided with sliding grooves, a first side baffle is slidably connected to one of the sliding grooves of the first shell in a vertical direction, the first side baffle covers the open end of the first shell at the side, a second side baffle is slidably connected to the other sliding groove of the first shell in a vertical direction, the second side baffle covers the outlet end of the first shell at the other side, and the top of the first side baffle is fixedly connected to the top of the second side baffle through a support.

[0009] Further, the clamping moving mechanism is that the moving shell is slidably connected with the track groove in the horizontal direction, the lower frame is arranged on the inner bottom of the moving shell, the upper frame is arranged above the lower frame in the moving shell, the lower frame is connected with the upper frame through bolts, a plurality of fixing rods are arranged on the two sides of the lower frame respectively, the fixing rods are slidably connected with the upper frame respectively, the first springs are arranged on each fixing rod respectively, one end of each first spring is fixedly connected with the lower frame, and the other end of each first spring is fixedly connected with the upper frame.

[0010] Further, the moving shell is provided with the track sliding groove slidably connected with the track groove in the horizontal direction on the two sides, and the moving shell is provided with the baffle on the other two sides.

[0011] Further, the shape of the positioning hole and the shape of the support column table are same as the shape of the steel sheet metal part.

[0012] Further, the first shell is provided with the fixed cylinder on the two sides, the stretching rods are slidably connected with the fixed cylinder in the vertical direction in the fixed cylinder, the two stretching rods are fixedly connected through the second connecting rod, the fixed cylinder is provided with the boss in the fixed cylinder, the fourth springs are arranged on each stretching rod respectively, one end of each fourth spring is fixedly connected with the fixed block on the stretching rod, and the other end of each fourth spring is fixedly connected with the boss in the fixed cylinder, the first sliding rods are arranged on the bottom of each stretching rod respectively, the support rods are arranged on the connecting protection cover, and the first sliding holes slidably connected with the first sliding rods are arranged on the support rods.

[0013] Further, the first shell is provided with the first ventilation pipe above the rough polishing wheel, and the second shell is provided with the second ventilation pipe above the fine polishing mechanism.

[0014] Further, the clamping moving mechanism is provided with a third motor for driving the fifth gear to rotate, and the workbench is provided with a rack for engaging transmission with the fifth gear.

[0015] The beneficial effects of the present application are as follows: (1) The lifting columns at the top of the plurality of first support rods above the plug-in board form a fixed platform, and the lifting columns at the top of the plurality of first support rods above the positioning hole form a support column table, since the top surface height of the fixed platform is higher than the top surface height of the support column table, a plurality of placing grooves are formed between the fixed platform and the support column table, the steel sheet metal part is placed in the placing groove, the steel sheet metal part can be fixed and clamped, and the clamping stability is strong.

[0016] (2) The present application can be applied to steel sheet metal parts of different sizes by customizing the plug-in board positioning hole to adapt to steel sheet metal parts of different sizes.

[0017] (3) The present application can rough polish the steel sheet metal part through the rough polishing mechanism, move the steel sheet metal part to the second housing after rough polishing, and polish the steel sheet metal part through the fine polishing mechanism, so that the polishing operation of the steel sheet metal part is completed, the whole process is automatically operated, manual intervention is reduced, and the polishing product quality and production efficiency are improved.

[0018] (4) In the present application, the cam control side baffle realizes sealing of the housing, the gas is blown into the sealed housing through the first ventilation pipe, the polishing waste is blown into the waste recovery box on both sides of the first housing, the polishing waste is collected, the polishing dust pollution is reduced, the waste is conveniently collected, and the cleaning and recycling costs are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic diagram of an embodiment of the automatic polishing and cleaning device for steel sheet metal parts.

[0020] Figure 2 is a structural schematic diagram of the clamping moving mechanism, the rough polishing mechanism, the rack and the fifth gear.

[0021] Figure 3 is Figure 2 is a structural schematic diagram of another angle of the rack in the

[0022] Figure 4 is a structural schematic diagram of the clamping moving mechanism.

[0023] Figure 5 is Figure 4 is a structural schematic diagram of the moving housing and the waste recovery box in the

[0024] Figure 6 is a structural schematic diagram of the lifting column, the plug-in board, the first support rod and the second spring.

[0025] Figure 7 is a structural diagram of the support column platform, the plug plate and the first support rod.

[0026] Figure 8 is a structural diagram of the plug plate.

[0027] Figure 9 is a structural diagram of the rough polishing mechanism.

[0028] Figure 10 is Figure 9 is a structural diagram from another angle.

[0029] Figure 11 is a structural diagram of the stretching rod.

[0030] Figure 12 is a structural diagram of the connection of the protective cover, the sleeve shaft and the first gear.

[0031] Figure 13 is a structural diagram of the connection of the protective cover.

[0032] Figure 14 is a structural diagram of the connection of the shaft and the parts on the sleeve shaft.

[0033] Figure 15 is a structural diagram of the rotation shaft, the connecting roller and the rough polishing wheel.

[0034] Reference signs: 1, track groove; 2, workbench; 3, clamping and moving mechanism; 301, moving shell; 302, lifting column; 303, track sliding groove; 304, support column platform; 305, baffle; 306, lower frame; 307, bolt; 308, fixed rod; 309, first spring; 310, plug plate; 311, upper frame; 312, first support rod; 313, support flat plate; 314, second spring; 315, fixed hole; 316, positioning hole; 317, fixed platform; 4, first shell; 5, rough polishing mechanism; 501, stretching rod; 502, fixed cylinder; 503, first motor; 504, first gear; 505, second gear; 506, rotation shaft; 507, rough polishing wheel; 508, transmission shaft; 509, first sliding rod; 510, first sliding hole; 511, connecting protective cover; 512, fixed block; 513, fourth spring; 514, second sliding rod; 515, second sliding hole; 516, sleeve shaft; 517, support rod; 518, connecting shaft; 519, third gear; 520, fourth gear; 521, connecting roller; 6, second shell; 7, fine polishing mechanism; 8, second motor; 9, support; 10, sliding groove; 11, first side baffle; 12, second connecting rod; 13, second side baffle; 14, rack; 15, fifth gear; 16, third motor; 17, waste recycling box; 18, cam; 19, steel sheet metal part. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0036] like Figures 1 to 3 As shown, the automatic polishing and cleaning device for steel sheet metal parts in this embodiment is composed of a track groove 1, a worktable 2, a clamping and moving mechanism 3, a first housing 4, a rough polishing mechanism 5, a second housing 6, a fine polishing mechanism 7, a second motor 8, a bracket 9, a slide 10, a first side baffle 11, a second connecting rod 12, a second side baffle 13, a rack 14, a fifth gear 15, a third motor 16, a waste recycling box 17, a cam 18, and steel sheet metal parts 19.

[0037] A track groove 1 is provided on the worktable 2. A clamping and moving mechanism 3 is slidably connected to the track groove 1 in the horizontal direction. A third motor 16 is provided on the clamping and moving mechanism 3 to drive the fifth gear 15 to rotate. A rack 14 is provided on the worktable 2 to mesh with the fifth gear 15. Multiple steel sheet metal parts 19 are clamped on the clamping and moving mechanism 3. A first housing 4 is provided on the worktable 2. A coarse polishing mechanism 5 is provided inside the first housing 4 to automatically coarsely polish the multiple steel sheet metal parts 19 on the clamping and moving mechanism 3. A second housing 6 is provided on the worktable 2 on one side of the first housing 4. A fine polishing mechanism 7 is provided inside the second housing 6 to finely polish the multiple steel sheet metal parts 19 on the clamping and moving mechanism 3.

[0038] The structure of the first housing 4 is the same as that of the second housing 6. Waste collection boxes 17 for collecting polishing waste are respectively provided on both sides of the bottom of the first housing 4 and the second housing 6. A first ventilation pipe is provided inside the first housing 4 above the coarse polishing wheel 507, and a second ventilation pipe is provided inside the second housing 6 above the fine polishing mechanism 7. Slide grooves 10 are provided on both sides of the first housing 4. A first side baffle 11 is slidably connected to one slide groove 10 of the first housing 4 in the vertical direction, covering the opening end of one side of the first housing 4. A second side baffle 13 is slidably connected to the slide groove 10 of the other side of the first housing 4 in the vertical direction, covering the outlet end of the other side of the first housing 4. The top of the first side baffle 11 and the top of the second side baffle 13 are fixedly connected by a bracket 9. The top of the first housing 4 is provided with a second motor 8, the output shaft of the second motor 8 is fixedly connected to the cam 18, the top of the coarse polishing mechanism 5 is provided with a second connecting rod 12, the cam 18 abuts against the bracket 9 and the second connecting rod 12 respectively, the second connecting rod 12 is located below the cam 18, and the bracket 9 is located above the cam 18.

[0039] likeFigures 4 to 8 As shown, the clamping moving mechanism 3 is coupled by a moving shell 301, a lifting column 302, a track sliding groove 303, a support column table 304, a baffle 305, a lower frame 306, a bolt 307, a fixed rod 308, a first spring 309, an insertion plate 310, an upper frame 311, a first support rod 312, a support flat plate 313, a second spring 314, a fixed hole 315, a positioning hole 316, a fixed platform 317.

[0040] The clamping moving mechanism 3 is that the moving shell 301 is connected in sliding mode along the horizontal direction on the track groove 1, the moving shell 301 is provided with the track sliding groove 303 connected in sliding mode along the horizontal direction on two sides thereof, and the moving shell 301 is provided with the baffle 305 on the other two sides. The lower frame 306 is arranged on the inner bottom of the moving shell 301, the upper frame 311 is arranged above the lower frame 306 in the moving shell 301, the lower frame 306 is connected with the upper frame 311 through the bolt 307, the lower frame 306 is provided with the plurality of fixed rods 308 on two sides thereof, the plurality of fixed rods 308 are connected in sliding mode with the upper frame 311 respectively, the first spring 309 is arranged on each fixed rod 308, one end of each first spring 309 is fixedly connected with the lower frame 306, and the other end of each first spring 309 is fixedly connected with the upper frame 311.

[0041] The insertion plate 310 is inserted into the lower frame 306, the support flat plate 313 is arranged above the upper frame 311 in the moving shell 301, the plurality of fixed holes 315 are processed on the support flat plate 313, the first support rod 312 is penetrated through each fixed hole 315, the bottom of each first support rod 312 above the insertion plate 310 is abuttingly connected with the top of the insertion plate 310, the plurality of positioning holes 316 are processed on the insertion plate 310, the bottom of the first support rod 312 above the positioning hole 316 is penetrated through the positioning hole 316, the second spring 314 is arranged on each first support rod 312, one end of each second spring 314 is fixedly connected with the first support rod 312, the other end of each second spring 314 is fixedly connected with the bottom of the insertion plate 310, the lifting column 302 is arranged on the top of each first support rod 312, the lifting columns 302 above the plurality of first support rods 312 above the insertion plate 310 constitute the fixed platform 317, the lifting columns 302 above the plurality of first support rods 312 above the positioning hole 316 constitute the support column table 304, the shape of the positioning hole 316 and the shape of the support column table 304 are same as the shape of the steel sheet metal part 19. The top surface height of the fixed platform 317 is higher than the top surface height of the support column table 304, a plurality of placing grooves are formed between the fixed platform 317 and the support column table 304, and the steel sheet metal part 19 is clamped and placed on each placing groove.

[0042] As Figures 9 to 15As shown, the rough polishing mechanism 5 is connected by the stretching rod 501, the fixed cylinder 502, the first motor 503, the first gear 504, the second gear 505, the rotating shaft 506, the rough polishing wheel 507, the transmission shaft 508, the first sliding rod 509, the first sliding hole 510, the connecting protective cover 511, the fixed block 512, the fourth spring 513, the second sliding rod 514, the second sliding hole 515, the sleeve shaft 516, the connecting rod 517, the connecting shaft 518, the third gear 519, the fourth gear 520, and the connecting roller 521.

[0043] The structure of the rough polishing mechanism 5 is the same as that of the fine polishing mechanism 7. The rough polishing mechanism 5 is that the transmission shaft 508 is rotatably installed in the first housing 4, the second gear 505 is arranged at both ends of the transmission shaft 508, the first motor 503 for driving the transmission shaft 508 to rotate is arranged on the outer side of the side plate of the first housing 4, the connecting shaft 518 is rotatably installed on both sides of the first housing 4, the first gear 504 for meshing transmission with the second gear 505 is arranged at one end of each connecting shaft 518, the connecting protective cover 511 is rotatably installed at the other end of each connecting shaft 518, the third gear 519 and the fourth gear 520 for meshing transmission with each other are rotatably installed in the connecting protective cover 511, the third gear 519 is fixedly connected with the other end of the connecting shaft 518, the sleeve shaft 516 is arranged on the outer circumference of the connecting shaft 518, the sleeve shaft 516 is fixedly connected with the first housing 4 and rotatably connected with the connecting shaft 518, the second sliding rod 514 is arranged on the outer circumference of the sleeve shaft 516, the second sliding hole 515 for sliding connection with the second sliding rod 514 is processed in the circumferential direction of the connecting protective cover 511, the rotating shaft 506 is arranged between the two fourth gears 520, the connecting roller 521 is arranged on the rotating shaft 506, and the rough polishing wheel 507 for automatically rough polishing the plurality of steel sheet metal pieces 19 on the clamping and moving mechanism 3 is arranged on the outer circumference of the connecting roller 521.

[0044] As shown in Figures 9 to 11 The fixed cylinder 502 is arranged on both sides of the first housing 4, the stretching rod 501 is slidingly connected in the vertical direction in each fixed cylinder 502, the two stretching rods 501 are fixedly connected by the second connecting rod 12, the boss is arranged in each fixed cylinder 502, the fourth spring 513 is arranged on each stretching rod 501, one end of each fourth spring 513 is fixedly connected with the fixed block 512 on the stretching rod 501, the other end of each fourth spring 513 is fixedly connected with the boss in the fixed cylinder 502, the first sliding rod 509 is arranged at the bottom of each stretching rod 501, the connecting rod 517 is arranged on the connecting protective cover 511, and the first sliding hole 510 for sliding connection with the first sliding rod 509 is processed on the connecting rod 517.

[0045] The working principle of the embodiment is as follows: the clamping moving mechanism 3 clamps a plurality of steel sheet metal parts 19, the third motor 16 on the clamping moving mechanism 3 is started, the output shaft of the third motor 16 drives the fifth gear 15 to rotate, since the fifth gear 15 is in meshing transmission with the rack 14, the track sliding groove 303 on both sides of the clamping moving mechanism 3 slides in the horizontal direction on the track groove 1 of the workbench 2, the output shaft of the second motor 8 drives the cam 18 to rotate, when the two ends of the cam 18 respectively contact the support 9 and the second connecting rod 12, the support 9 drives the first side baffle 11 and the second side baffle 13 on the first shell 4 to slide in the vertical direction upward in the sliding groove 10 on the first shell 4 respectively, the first side baffle 11 is separated from the inlet end of the first shell 4, the second side baffle 13 is separated from the outlet end of the first shell 4, the two ends of the second connecting rod 12 respectively drive the stretching rod 501 to slide in the vertical direction downward in the fixed cylinder 502, in the movement process of the first sliding rod 509 at the bottom of the stretching rod 501, the first sliding rod 509 slides in the first sliding hole 510 of the support rod 517, thereby driving the connecting protective cover 511 to move, the second sliding hole 515 on the connecting protective cover 511 slides in the circumferential direction with the second sliding rod 514 of the sleeve shaft 516, the connecting protective cover 511 drives the rotating shaft 506 to move upward, the clamping moving mechanism 3 slides into the first shell 4, when the two ends of the cam 18 respectively contact the support 9 and the second connecting rod 12, the first side baffle 11 covers the inlet end of the first shell 4, the second side baffle 13 covers the outlet end of the first shell 4, the first shell 4, the first side baffle 11 and the second side baffle 13 constitute a sealed shell, the rough polishing wheel 507 moves to contact the steel sheet metal part 19 on the clamping moving mechanism 3, the rough polishing mechanism 5 performs rough polishing on the steel sheet metal part 19 on the clamping moving mechanism 3, in the polishing process, the gas is blown into the sealed shell through the first ventilation pipe, and the polishing waste is blown into the waste recovery box 17 on both sides of the first shell 4, so that the polishing waste is collected, after the rough polishing of the steel sheet metal part 19, the clamping moving mechanism 3 and the steel sheet metal part 19 move into the second shell 6, the fine polishing mechanism 7 performs fine polishing on the steel sheet metal part 19, the gas is blown into the sealed shell through the first ventilation pipe, and the polishing waste is blown into the waste recovery box 17 on both sides of the second shell 6, so that the polishing work of the steel sheet metal part 19 is completed.

[0046] The working principle of the clamping moving mechanism 3 for clamping multiple steel sheet metal parts 19 is as follows: the insertion plate 310 is inserted into the lower frame 306, the multiple positioning holes 316 on the insertion plate 310 are customized according to the size of the steel sheet metal part 19 to be polished, and the clamping moving mechanism 3 is suitable for clamping steel sheet metal parts 19 of different sizes. The lower frame 306 and the insertion plate 310 are moved upward, the lower frame 306 is fixed to the upper frame 311 by the bolts 307, the first support rods 312 above the insertion plate 310 move in the vertical direction in the fixed holes 315 of the support plate 313 during the upward movement of the insertion plate 310, the lifting columns 302 at the top of the multiple first support rods 312 above the insertion plate 310 form the fixed platform 317, the first support rods 312 above the positioning holes 316 do not move during the upward movement of the insertion plate 310 because the positioning holes 316 are penetrated by the first support rods 312, the lifting columns 302 at the top of the multiple first support rods 312 above the positioning holes 316 form the support column table top 304, and the fixed platform 317 and the support column table top 304 form multiple placing grooves because the top surface height of the fixed platform 317 is higher than the top surface height of the support column table top 304, and the steel sheet metal part 19 is placed in the placing grooves to be clamped and fixed.

[0047] The working principle of the rough polishing mechanism 5 for rough polishing the steel sheet metal part 19 on the clamping moving mechanism 3 is as follows: the output shaft of the first motor 503 drives one side of the second gear 505 to rotate, one side of the second gear 505 drives the other side of the second gear 505 to rotate through the transmission shaft 508, each second gear 505 drives the first gear 504 to rotate through meshing transmission, the first gear 504 drives the third gear 519 to rotate through the connecting shaft 518, the third gear 519 drives the fourth gear 520 to rotate through meshing transmission, and the fourth gears 520 at both ends drive the rotating shaft 506, the connecting roller 521 and the rough polishing wheel 507 to rotate. During the movement of the steel sheet metal part 19 on the clamping moving mechanism 3, the rough polishing wheel 507 rough polishes the steel sheet metal part 19.

[0048] The working principle of the fine polishing mechanism 7 for fine polishing the steel sheet metal part 19 is the same as that of the rough polishing mechanism 5 for rough polishing the steel sheet metal part 19 on the clamping moving mechanism 3. The polishing wheel on the fine polishing mechanism 7 is replaced by a fine polishing wheel to fine polish the steel sheet metal part 19 on the clamping moving mechanism 3.

[0049] The above merely illustrates the preferred embodiments of the present application, but should not be used to limit the protection scope of the present application.

Claims

1. An automatic polishing and cleaning device for steel sheet metal parts, characterized in that: A track groove (1) is provided on the workbench (2). A clamping moving mechanism (3) is slidably connected on the track groove (1) in the horizontal direction. Multiple steel sheet metal parts (19) are clamped on the clamping moving mechanism (3). A first housing (4) is provided on the workbench (2). A coarse polishing mechanism (5) is provided inside the first housing (4) to automatically coarse polish the multiple steel sheet metal parts (19) on the clamping moving mechanism (3). The coarse polishing mechanism (5) is as follows: a drive shaft (508) is rotatably mounted inside the first housing (4), and second gears (505) are respectively provided at both ends of the drive shaft (508). A first motor (503) that drives the drive shaft (508) to rotate is provided on the outer side of the side plate of the first housing (4). Connecting shafts (518) are rotatably mounted on both sides inside the first housing (4). A first gear (504) that meshes with the second gear (505) is provided at one end of each connecting shaft (518). A connecting protective cover (511) is rotatably mounted at the other end of each connecting shaft (518). A third gear (514) that meshes with each other is rotatably mounted inside the connecting protective cover (511). 9) and the fourth gear (520), the third gear (519) is fixedly connected to the other end of the connecting shaft (518), the connecting shaft (518) is provided with a sleeve shaft (516) on the outer circumference, the sleeve shaft (516) is provided with two second slide rods (514) on the outer circumference, the connecting protective cover (511) is machined with a second sliding hole (515) that slides and connects with the second slide rods (514) in the circumferential direction, the two fourth gears (520) are provided with a rotating shaft (506), the rotating shaft (506) is provided with a connecting roller (521), the connecting roller (521) is provided with a coarse polishing wheel (507) on the outer circumference of the connecting roller (521) for automatically coarse polishing multiple steel sheet metal parts (19) on the clamping moving mechanism (3); The clamping and moving mechanism (3) is as follows: a movable housing (301) is slidably connected to the track groove (1) along the horizontal direction. A lower frame (306) is provided at the bottom of the movable housing (301). An upper frame (311) is provided inside the movable housing (301) above the lower frame (306). The lower frame (306) is connected to the upper frame (311) by bolts (307). Multiple fixing rods (308) are provided on both sides of the lower frame (306). The multiple fixing rods (308) are slidably connected to the upper frame (311). A first spring (309) is provided on each fixing rod (308). One end of each first spring (309) is fixedly connected to the lower frame (306), and the other end of each first spring (309) is fixedly connected to the upper frame (311). A plate (310) is inserted into the lower frame (306). A support plate (313) located above the upper frame (311) is provided inside the movable housing (301). Multiple fixing holes (315) are machined on the support plate (313). A first support rod (312) passes through each fixing hole (315). The bottom of each first support rod (312) located above the plate (310) abuts against the top of the plate (310). Multiple positioning holes (316) are machined on the plate (310). The bottom of the first support rod (312) located above the positioning hole (316) passes through the positioning hole (316). A second spring (314) is provided on each first support rod (312). One end of each second spring (314) is connected to the first support rod (312). The support rod (312) is fixedly connected, and the other end of each second spring (314) is fixedly connected to the bottom of the insert plate (310). Each first support rod (312) is provided with a lifting column (302) at the top. The lifting column (302) above the multiple first support rods (312) above the insert plate (310) constitutes a fixed platform (317). The lifting column (302) above the multiple first support rods (312) above the positioning hole (316) constitutes a support column platform (304). The top surface height of the fixed platform (317) is higher than the top surface height of the support column platform (304). Multiple placement slots are formed between the fixed platform (317) and the support column platform (304). Each placement slot clamps and places a steel sheet metal part (19).

2. The automatic polishing and cleaning device for steel sheet metal parts according to claim 1, characterized in that: The workbench (2) is provided with a second housing (6) located on one side of the first housing (4). The structure of the first housing (4) is the same as that of the second housing (6). Slide grooves (10) are provided on both sides of the first housing (4). A first side baffle (11) is slidably connected to one side slide groove (10) of the first housing (4) in the vertical direction. The first side baffle (11) covers the opening end of one side of the first housing (4). A second side baffle (13) is slidably connected to the other side slide groove (10) of the first housing (4) in the vertical direction. The second side baffle (13) covers the outlet end of the other side of the first housing (4). The top of the first side baffle (11) and the top of the second side baffle (13) are fixedly connected by a bracket (9).

3. The automatic polishing and cleaning device for steel sheet metal parts according to claim 2, characterized in that: The top of the first housing (4) is provided with a second motor (8), the output shaft of the second motor (8) is fixedly connected to the cam (18), the top of the coarse polishing mechanism (5) is provided with a second connecting rod (12), the cam (18) abuts against the bracket (9) and the second connecting rod (12) respectively, the second connecting rod (12) is located below the cam (18), the bracket (9) is located above the cam (18), and the bottom sides of the first housing (4) and the second housing (6) are respectively provided with waste recycling bins (17) for collecting polishing waste.

4. The automatic polishing and cleaning device for steel sheet metal parts according to claim 2, characterized in that: The second housing (6) is provided with a fine polishing mechanism (7) for fine polishing multiple steel sheet metal parts (19) on the clamping moving mechanism (3). The structure of the fine polishing mechanism (7) is the same as that of the rough polishing mechanism (5).

5. The automatic polishing and cleaning device for steel sheet metal parts according to claim 1, characterized in that: The movable housing (301) is provided with track grooves (303) on both sides, which are slidably connected to the track groove (1) in the horizontal direction. The movable housing (301) is also provided with baffles (305) on the other two sides.

6. The automatic polishing and cleaning device for steel sheet metal parts according to claim 1, characterized in that: The shape of the positioning hole (316) and the shape of the support column platform (304) are the same as the shape of the steel sheet metal part (19).

7. The automatic polishing and cleaning device for steel sheet metal parts according to claim 1, characterized in that: The first housing (4) has fixed cylinders (502) on both sides inside. Each fixed cylinder (502) has a tension rod (501) slidably connected in the vertical direction inside. The tops of the two tension rods (501) are fixedly connected by a second connecting rod (12). Each fixed cylinder (502) has a boss inside. Each tension rod (501) has a fourth spring (513) on it. One end of each fourth spring (513) is fixedly connected to the fixed block (512) on the tension rod (501), and the other end of each fourth spring (513) is fixedly connected to the boss inside the fixed cylinder (502). Each tension rod (501) has a first sliding rod (509) at the bottom. A support rod (517) is provided on the connecting protective cover (511). A first sliding hole (510) is machined on the support rod (517) and slidably connected to the first sliding rod (509).

8. The automatic polishing and cleaning device for steel sheet metal parts according to claim 1, characterized in that: The first housing (4) is provided with a first ventilation pipe located above the coarse polishing wheel (507), and the second housing (6) is provided with a second ventilation pipe located above the fine polishing mechanism (7).

9. The automatic polishing and cleaning device for steel sheet metal parts according to claim 1, characterized in that: The clamping and moving mechanism (3) is equipped with a third motor (16) that drives the fifth gear (15) to rotate, and the worktable (2) is equipped with a rack (14) that meshes with the fifth gear (15) for transmission.

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