A galvanized steel sheet polishing and grinding equipment

Abstract

The present invention belongs to the technical field of galvanized steel sheet processing, and specifically relates to a polishing and grinding device for galvanized steel sheets, including a housing and a first lifting mechanism. The first lifting mechanism is used to adjust the height of the conveyor belt. Rectangular holes are provided on both sides of the housing. A bottom plate is fixedly connected below the housing. Four corners of the upper end of the bottom plate are fixedly connected with second cylindrical bars. L-shaped blocks are respectively slidably connected to the middle parts of the second cylindrical bars. Second springs are respectively sleeved on the upper and lower ends of the second cylindrical bars. A first rectangular block is fixedly connected to the upper end of the second cylindrical bar. A conveyor frame is arranged among the four first rectangular blocks. A conveyor belt is installed on the conveyor frame. A number of conveyor wheels are arranged at the upper end of the conveyor belt. Grinding wheels are respectively arranged between adjacent two conveyor wheels. By adjusting the angle of the folding connecting rod to adjust the height of the conveyor belt, the problem of being unable to adjust and grind steel sheets of different thicknesses is solved, and the applicable range is wide.

Description

Technical Field

[0001] The present invention belongs to the technical field of galvanized steel plate processing, and specifically relates to a polishing and grinding device for galvanized steel plates. Background Technique

[0002] With the booming development of the construction industry, the usage of steel plates has increased significantly. In recent years, the usage of hot-dip galvanized steel plates has also increased greatly. Galvanized steel plates are coated with a layer of metallic zinc on the surface of the steel plate to prevent the steel plate surface from being corroded and extend its service life. This kind of zinc-coated steel plate is called a galvanized sheet. Before the steel plate is processed and produced by galvanizing, its surface needs to be treated. Since there are impurities on the surface of the steel plate, and even the impurities on the surface of the steel plate are relatively fixed and adhered to the steel plate, if not treated, it will affect the galvanizing effect of the steel plate.

[0003] A patent application with the publication number CN218575853U discloses a galvanizing device for the outer surface treatment of galvanized steel plate production, including a working box platform. A placement groove is opened at the top of the working box platform. A blanking plate is arranged inside the placement groove. The blanking plate is fixedly connected to the working box platform. A fixing component is arranged on the top of the blanking plate. When the moving rod drives the connecting rod to move, the gear fixedly connected to the outside of the connecting rod meshes with the rack, so that the gear is in a rotating state, thereby realizing that the grinding wheel can rotate. The grinding wheel can process the impurities existing on the surface of the steel plate, and even the impurities adhered to the steel plate, improving the galvanizing effect of the steel plate.

[0004] In the above-mentioned prior art, it is impossible to adjust and grind steel plates with different thicknesses, and there are limitations on the size of the steel plates. In the prior art, most of the galvanized steel plates after grinding are randomly inspected by inspectors, and the unqualified steel plates are reworked. The efficiency is low, and the qualification rate of the steel plates cannot be guaranteed. The reworked steel plates need to be transported back and forth, wasting time.

[0005] Therefore, the present invention provides a polishing and grinding device for galvanized steel plates. Summary of the Invention

[0006] In order to make up for the deficiencies of the prior art and solve at least one of the technical problems proposed in the background technique.

[0007] The technical solution adopted by the present invention to solve its technical problems is as follows: A galvanized steel plate polishing and grinding device described in the present invention includes a housing. Rectangular holes are provided on both sides of the housing. A bottom plate is fixedly connected below the housing. Four corners of the upper end of the bottom plate are fixedly connected with second cylindrical bars. L-shaped blocks are respectively slidably connected to the middle parts of the second cylindrical bars. Second springs are respectively sleeved on the upper and lower ends of the second cylindrical bars. A first rectangular block is fixedly connected to the upper end of the second cylindrical bar. A conveyor frame is arranged between the four first rectangular blocks. A conveyor belt is installed on the conveyor frame. The L-shaped block is fixedly connected with an I-shaped plate; A first lifting mechanism is arranged between the bottom plate and the I-shaped plate. The first lifting mechanism is used to adjust the height of the conveyor belt; A number of conveyor wheels are arranged at the upper end of the conveyor belt. Grinding wheels are respectively arranged between adjacent two conveyor wheels; When grinding steel plates of different thicknesses is required, the height of the conveyor belt needs to be adjusted. When adjusting the height of the conveyor belt, the first lifting mechanism is used to drive the I-shaped plate and the L-shaped blocks at the four corners to slide on the second cylindrical bars and compress the second springs. After the adjustment is completed, the steel plate is placed on the conveyor belt between the conveyor belt and the conveyor wheels. The conveyor wheels always closely adhere to the surface of the steel plate, so that the steel plate will not move during the conveying process. When the steel plate moves forward to the lower end of the grinding wheel, the surface of the steel plate is ground. During grinding, the steel plate continues to be conveyed until the steel plate is ground.

[0008] Further, the first lifting mechanism includes U-shaped plates fixedly connected to the bottom plate and the I-shaped plate respectively. The two U-shaped plates are fixedly connected through a folding component. The folding component is arranged on both sides of the U-shaped plate; The folding component includes folding connecting rods rotatably connected between the two U-shaped plates. A second rectangular bar is rotatably connected between the two folding connecting rods. A first bidirectional lead screw is threadedly connected to the middle parts of the two second rectangular bars. Third cylindrical bars are arranged on both sides of the first bidirectional lead screw. The third cylindrical bars penetrate through the second rectangular bars. Third rectangular blocks are fixedly connected to both ends of the third cylindrical bars. One end of the first bidirectional lead screw is fixedly connected to the output end of a motor. The motor is fixedly connected to the third rectangular block through a motor base; When grinding steel plates of different sizes and thicknesses is required, the motor is started to drive the first bidirectional lead screw to rotate. The first bidirectional lead screw drives the second rectangular bars on both sides to move, so that the second rectangular bars slide on the third cylindrical bars. When the second rectangular bars move towards both sides, when the angle of the folding connecting rods becomes smaller, the I-shaped plate moves downward and at the same time drives the conveyor belt above to move downward, and steel plates with a larger thickness can be ground. When the second rectangular bars move towards the middle, the angle of the folding connecting rods becomes larger. When the angle of the folding connecting rods becomes larger, the I-shaped plate moves upward and at the same time drives the conveyor belt above to move upward, and steel plates with a smaller thickness can be ground.

[0009] Further, the folding link includes two links. Support shafts are fixedly connected to both ends of the second rectangular bar. One end of each link is rotatably arranged on the support shaft. One link is rotatably connected to the upper U-shaped plate, and the other link is rotatably connected to the lower U-shaped plate. When it is necessary to adjust the distance between the two U-shaped plates, control the movement of the second rectangular bar so that the included angle between the two links increases or decreases to achieve the adjustment.

[0010] Further, a water tank is fixedly connected to one side of the upper end of the housing. A plurality of nozzles are fixedly connected to the lower end of the water tank. When the steel plate is placed on the conveyor belt for grinding, open the nozzles so that the water in the water tank sprays out from the nozzles to wet the side of the steel plate that needs to be ground, reducing the sparks generated during grinding and reducing dust.

[0011] Further, T-shaped blocks are rotatably connected to both sides of the conveyor wheel. A first rectangular bar is fixedly connected to the lower end of the T-shaped block. First cylindrical bars penetrate and slide through both sides of the first rectangular bar. The first cylindrical bars are fixed in rectangular holes provided on both sides of the housing. A first spring is sleeved on the first cylindrical bar above the first rectangular bar. Since the grinding wheel will wear during the grinding process, when adjusting the height of the conveyor belt upward, the first rectangular bar slides upward on the first cylindrical bar and compresses the first spring, driving the T-shaped block to move upward, and at the same time driving the conveyor wheel to move upward. The first spring is always in a contracted state, making the conveyor wheel always closely adhere to the upper surface of the steel plate, and can automatically adapt to steel plates of different thicknesses.

[0012] Further, a side plate is fixedly connected to the upper end of the housing. A first guide rail is fixedly connected to one side of the side plate. A first sliding table is arranged on the first guide rail. A second rectangular block is fixedly connected to the upper end of one side of the first sliding table. A third rectangular block is slidably connected to the middle of one side of the first sliding table. A fourth cylindrical bar fixedly penetrates through the middle of the third rectangular block. The upper end of the fourth cylindrical bar slidably penetrates through the second rectangular block. A third spring is arranged between the second rectangular block and the third rectangular block. The third spring is sleeved outside the fourth cylindrical bar. A silica gel scraper is fixedly connected to the lower end of the fourth cylindrical bar. After the steel plate is ground, water stains and impurities remain on the surface. When the steel plate is conveyed to the lower part of the silica gel scraper, the steel plate pushes up the silica gel scraper so that the silica gel scraper is placed on the upper surface of the steel plate, and at the same time drives the fourth cylindrical bar to slide in the middle of the second rectangular block and compresses the third spring. When it is necessary to clean it, start the first guide rail to drive the first sliding table to slide horizontally. The first sliding table drives the silica gel scraper at the lower end of the fourth cylindrical bar to slide on the surface of the steel plate through the third rectangular block, pushing the water stains and impurities on the surface of the steel plate to both sides of the steel plate to clean the surface of the steel plate.

[0013] Further, dust collecting components are arranged on both sides of the conveyor belt. The dust collecting components include a storage box fixedly connected to the conveyor frame. A rectangular hole is formed in one side of the storage box. A U-shaped telescopic plate is fixedly connected to the outside of the rectangular hole. A spring is arranged inside the U-shaped telescopic plate. A dust collecting box is arranged in a rectangular hole formed in the other side of the storage box. A filter screen is arranged at the lower end of the dust collecting box. When the steel plate is conveyed forward and contacts the U-shaped telescopic plate, the spring arranged inside the U-shaped telescopic plate is compressed, so that one side of the U-shaped telescopic plate is closely attached to the side of the steel plate. When the silicone scraper pushes the water stains and impurities on the surface of the steel plate to both sides of the steel plate, the water stains and impurities enter the storage box through the U-shaped telescopic plate. The impurities stay in the dust collecting box through the filter screen arranged at the lower end of the dust collecting box, and the water stains flow into the lower end of the storage box, so that the water stains and impurities can be recycled and collected.

[0014] Further, a rectangular plate is slidably connected between one side of the side plate and the housing. A second lifting mechanism is arranged between the rectangular plate and the upper end of the housing. A detection mechanism is arranged at the lower end of the rectangular plate. The detection mechanism includes two rectangular boxes fixedly connected to the lower end of the rectangular plate by bolts. A light emitting component is arranged in one of the rectangular boxes, and a photometric detector is arranged in the other rectangular box. When the steel plate after grinding is cleaned and conveyed to the lower end of the rectangular plate, there are two rectangular boxes on both sides of the lower end of the rectangular plate. A light emitting component is arranged in one of the rectangular boxes, and a photometric detector is arranged in the other rectangular box. The angles of the two rectangular boxes are adjusted so that the light emitted by the light emitting component and irradiating on the surface of the steel plate is refracted into the photometric detector. The photometric detector detects according to the intensity of the refracted light. When the light intensity is strong, the surface of the steel plate is relatively smooth. When the light intensity is weak, the surface of the steel plate is relatively rough. At this time, the photometric detector gives an alarm, and the unqualified steel plate is taken out for re-grinding, so as to realize the detection of the smoothness of the surface of the steel plate.

[0015] Further, the second lifting mechanism includes fourth rectangular bars fixedly connected to both sides of the upper end of the housing. A second bidirectional lead screw is rotatably connected between the two fourth rectangular bars. Fifth cylindrical bars are provided on both sides of the second bidirectional lead screw. Both ends of the fifth cylindrical bars are fixedly connected to the fourth rectangular bars. Fifth rectangular bars are respectively threadedly connected to both sides of the second bidirectional lead screw. The fifth rectangular bars slide on both sides of the fifth cylindrical bars respectively. Second connecting rods are respectively rotatably connected to both ends of the fifth rectangular bars. The second connecting rods are respectively rotatably connected to the rectangular plate. After long-term grinding, the grinding wheel will wear, so that the upper surface of the steel plate needs to move upward to keep the surface of the steel plate always in contact with the surface of the grinding wheel. When the upper surface of the steel plate moves upward, it is necessary to adjust the heights of the light-emitting component and the photometric sensor to ensure that the light irradiated on the surface of the steel plate by the light-emitting component can always be refracted into the photometric detector. At this time, the motor is started to drive the second bidirectional lead screw to rotate. When rotating, it drives the fifth rectangular bars on both sides to slide on the fifth cylindrical bars. When the fifth rectangular bars move towards the middle, the upper ends of the second connecting rods approach the middle, and the lower ends rotate with the rectangular plate, driving the rectangular plate to move downward. When the fifth rectangular bars move towards both sides, it drives the upper ends of the second connecting rods to move towards both sides and at the same time drives the rectangular plate to move upward, solving the problem of adjusting the heights of the light-emitting component fixed below the rectangular plate and the photometric sensor according to steel plates of different thicknesses.

[0016] Further, it further includes a cleaning component. The cleaning component includes second guide rails fixedly connected to both sides of the rectangular box. Second sliders are provided on the second guide rails. A groove is provided on one side of the second slider. A scraping plate is provided between the grooves of the two second sliders. L-shaped grooves are provided on both sides of the second slider. A fourth spring is fixedly connected to one side inside the L-shaped groove. One end of the fourth spring is fixedly connected to an L-shaped pointed block. A rectangular groove is opened at the position corresponding to the lower end of the L-shaped pointed block on the scraping plate. The lower end of the L-shaped pointed block can slide in the rectangular groove. Dust will be generated during grinding. When dust remains on the surfaces of the light-emitting component and the photometric sensor, it will affect the subsequent detection effect. The scraping plate is inserted into the grooves provided on the two second sliders. When the scraping plate slides downward, it pushes the L-shaped pointed blocks on both sides to slide in the L-shaped grooves, squeezing the fourth spring. When the scraping plate is completely inserted into the groove, the fourth spring releases its elastic force and pushes the pointed side of the L-shaped pointed block into the rectangular grooves provided on both sides of the scraping plate, fixing the scraping plate to the second slider. The second guide rail is started to drive the second slider to move. The second slider drives the scraping plate to slide on the surfaces of the light-emitting component and the photometric sensor for cleaning. When the scraping plate has been used for a long time and needs to be replaced, the L-shaped pointed blocks on both sides are toggled to squeeze the fourth spring so that one end of the pointed part of the L-shaped pointed block disengages from the rectangular groove, and then the scraping plate can be taken out for cleaning and replacement.

[0017] The beneficial effects of the present invention are as follows:

[0018] 1. A galvanized steel sheet polishing and grinding device according to the present invention drives the second rectangular bars on both sides to move by rotating the first bidirectional screw rod, so that the second rectangular bars slide on the third cylindrical bar. When the second rectangular bars move to both sides, when the angle of the folding connecting rod becomes smaller, the I-shaped plate moves downward and drives the conveyor belt above to move downward at the same time, so as to grind thicker steel sheets. When the second rectangular bars move towards the middle, the angle of the folding connecting rod becomes larger. When the angle of the folding connecting rod becomes larger, the I-shaped plate moves upward and drives the conveyor belt above to move upward at the same time, so as to grind thinner steel sheets, realizing the adjustment and grinding of steel sheets with different thicknesses. At the same time, when the grinding wheel wears during the grinding process, it is necessary to adjust the height of the conveyor belt upward. The first rectangular bar slides upward on the first cylindrical bar and compresses the first spring, driving the T-shaped block to move upward and driving the conveyor wheel to move upward at the same time. The first spring is always in a contracted state, so that the conveyor wheel always closely adheres to the upper surface of the steel sheet, and can automatically adapt to steel sheets with different thicknesses.

[0019] 2. A galvanized steel sheet polishing and grinding device according to the present invention adjusts the angles of the two rectangular boxes of the detection mechanism, so that the light emitted by the light-emitting component refracts onto the photometric detector when irradiated on the surface of the steel sheet. It is detected by the photometric detector according to the intensity of the refracted light. When the light intensity is stronger, the surface of the steel sheet is smoother. When the light intensity is weaker, the surface of the steel sheet is rougher. At this time, the photometric detector issues an alarm, and the unqualified steel sheet for grinding is taken out for re-grinding, so as to realize the detection of the smoothness of the steel sheet surface and save time; at the same time, a detachable scraper is provided in the rectangular box of the detection mechanism, which can clean the surfaces of the light-emitting component and the photometric detector, improving the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings.

[0021] Figure 1 is a perspective view of Embodiment 1 of the present invention;

[0022] Figure 2 is a schematic internal sectional view of the housing;

[0023] Figure 3 is Figure 2 a partial enlarged view at C in

[0024] Figure 4 is a schematic diagram of the first lifting mechanism;

[0025] Figure 5 is Figure 1 a partial enlarged view at A in

[0026] Figure 6 is Figure 2 a partial enlarged view at B in

[0027] Figure 7It is a schematic diagram of the explosion of the dust collection component;

[0028] Figure 8 It is a schematic diagram of the second lifting mechanism;

[0029] Figure 9 It is Figure 8 The partial enlarged view at position E in

[0030] Figure 10 It is a schematic cross-section view of the scraper;

[0031] In the figure: 1. Housing; 2. T-shaped block; 3. First rectangular strip; 4. First cylindrical strip; 5. First spring; 6. Water tank; 7. Sprayer; 8. Grinding wheel; 9. Conveyor wheel; 11. Side plate; 12. Conveyor belt; 14. First rectangular block; 15. L-shaped block; 16. Second cylindrical strip; 17. Second spring; 18. I-shaped plate; 19. Bottom plate; 20. U-shaped plate; 21. Folding connecting rod; 22. Second rectangular strip; 23. Third cylindrical strip; 24. First bidirectional lead screw; 25. Motor; 26. Third rectangular strip; 27. First guide rail; 28. First sliding table; 29. Second rectangular block; 30. Fourth cylindrical strip; 31. Third spring; 32. Silicone scraper; 33. U-shaped telescopic plate; 34. Storage box; 35. Dust collection box; 36. Fourth rectangular strip; 37. Second connecting rod; 38. Fifth rectangular strip; 39. Second bidirectional lead screw; 40. Fifth cylindrical strip; 41. Rectangular plate; 42. Rectangular box; 43. Second guide rail; 44. Second sliding table; 45. Scraper; 46. L-shaped pointed block; 47. Fourth spring; 48. L-shaped groove; 49. Third rectangular block; 50. Rectangular groove. Specific implementation manners

[0032] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation manners. Embodiment 1

[0033] As Figures 1 to 4 shown, a galvanized steel plate polishing and grinding device according to an embodiment of the present invention includes a housing 1, rectangular holes are provided on both sides of the housing 1, a bottom plate 19 is fixedly connected below the housing 1, second cylindrical strips 16 are fixedly connected to the four corners of the upper end of the bottom plate 19, L-shaped blocks 15 are respectively slidably connected to the middle parts of the second cylindrical strips 16, second springs 17 are respectively sleeved on the upper and lower ends of the second cylindrical strips 16, a first rectangular block 14 is fixedly connected to the upper end of the second cylindrical strip 16, a conveying frame is arranged between the four first rectangular blocks 14, and a conveyor belt 12 is installed on the conveying frame; the L-shaped block 15 is fixedly connected to an I-shaped plate 18;

[0034] A first lifting mechanism is provided between the bottom plate 19 and the I-shaped plate 18, and the first lifting mechanism is used to adjust the height of the conveyor belt 12;

[0035] Several conveyor wheels 9 are provided at the upper end of the conveyor belt 12, and grinding wheels 8 are respectively provided between two adjacent conveyor wheels 9;

[0036] When grinding steel plates with different thicknesses is required, the height of the conveyor belt 12 needs to be adjusted. When adjusting the height of the conveyor belt 12, the first lifting mechanism is used to drive the I-shaped plate 18 and the L-shaped blocks 15 at the four corners to slide on the second cylindrical bar 16 and compress the second spring 17. After the adjustment is completed, the steel plate is placed between the conveyor belt 12 and the conveyor wheels 9 on the conveyor belt 12. The conveyor wheels 9 always closely adhere to the surface of the steel plate, so that the steel plate will not move during the conveying process. When the steel plate moves forward to the lower end of the grinding wheel 8, the surface of the steel plate is ground. During grinding, the steel plate continues to be conveyed until the grinding of the steel plate is completed.

[0037] As Figure 2 、 Figure 4 As shown, the first lifting mechanism includes U-shaped plates 20 fixedly connected to the bottom plate 19 and the I-shaped plate 18 respectively. The two U-shaped plates 20 are fixedly connected by a folding assembly, and the folding assembly is arranged on both sides of the U-shaped plates 20;

[0038] The folding assembly includes folding connecting rods 21 rotatably connected between two U-shaped plates 20. The two folding connecting rods 21 are rotatably connected by a second rectangular bar 22. A first bidirectional lead screw 24 is threadedly connected to the middle of the two second rectangular bars 22. Third cylindrical bars 23 are provided on both sides of the first bidirectional lead screw 24. The third cylindrical bars 23 penetrate the second rectangular bar 22. Third rectangular bars 26 are fixedly connected to both ends of the third cylindrical bars 23. One end of the first bidirectional lead screw 24 is fixedly connected to the output end of a motor 25, and the motor 25 is fixedly connected to the third rectangular bar 26 through a motor base;

[0039] When grinding steel plates with different sizes and thicknesses is required, the motor 25 is started to drive the first bidirectional lead screw 24 to rotate. The first bidirectional lead screw 24 drives the second rectangular bars 22 on both sides to move, so that the second rectangular bars 22 slide on the third cylindrical bars 23. When the second rectangular bars 22 move towards both sides, when the angle of the folding connecting rods 21 becomes smaller, the I-shaped plate 18 moves downward and at the same time drives the conveyor belt 12 above to move downward, and thicker steel plates can be ground. When the second rectangular bars 22 move towards the middle, the angle of the folding connecting rods 21 becomes larger. When the angle of the folding connecting rods 21 becomes larger, the I-shaped plate 18 moves upward and at the same time drives the conveyor belt 12 above to move upward, and thinner steel plates can be ground.

[0040] As Figure 4As shown, the folding link 21 includes two links. Support shafts are fixedly connected to both ends of the second rectangular bar 22. One end of each link is rotatably arranged on the support shaft. One link is rotatably connected to the upper U-shaped plate 20, and the other link is rotatably connected to the lower U-shaped plate 20;

[0041] When it is necessary to adjust the distance between the two U-shaped plates 20, control the movement of the second rectangular bar 22 so that the included angle between the two links increases or decreases to achieve the adjustment.

[0042] As Figure 2 shown, a water tank 6 is fixedly connected to one side of the upper end of the housing 1, and a plurality of spray nozzles 7 are fixedly connected to the lower end of the water tank 6;

[0043] When the steel plate is placed on the conveyor belt 12 for grinding preparation, open the spray nozzles 7 so that the water in the water tank 6 sprays out from the spray nozzles 7 to wet the side of the steel plate that needs to be ground, reducing the sparks generated during grinding and reducing dust.

[0044] As Figure 5 shown, T-shaped blocks 2 are rotatably connected to both sides of the conveyor wheel 9. A first rectangular bar 3 is fixedly connected to the lower end of the T-shaped block 2. First cylindrical bars 4 penetrate and slide through both sides of the first rectangular bar 3. The first cylindrical bars 4 are fixed in rectangular holes provided on both sides of the housing 1. A first spring 5 is sleeved on the first cylindrical bar 4 above the first rectangular bar 3;

[0045] Since the grinding wheel 8 will wear during the grinding process, when adjusting the height of the conveyor belt 12 upward, the first rectangular bar 3 slides upward on the first cylindrical bar 4 and compresses the first spring 5, driving the T-shaped block 2 to move upward, and at the same time driving the conveyor wheel 9 to move upward. The first spring 5 is always in a contracted state, making the conveyor wheel 9 always closely attached to the upper surface of the steel plate, and can automatically adapt to steel plates of different thicknesses. Embodiment 2

[0046] As Figure 6 shown, compared with Embodiment 1, another implementation manner of the present invention is: a side plate 11 is fixedly connected to the upper end of the housing 1. A first guide rail 27 is fixedly connected to one side of the side plate 11. A first sliding table 28 is provided on the first guide rail 27. A second rectangular block 29 is fixedly connected to the upper end of one side of the first sliding table 28. A third rectangular block 49 is slidably connected to the middle of one side of the first sliding table 28. A fourth cylindrical bar 30 is fixedly penetrated through the middle of the third rectangular block 49. The upper end of the fourth cylindrical bar 30 slidably penetrates through the second rectangular block 29. A third spring 31 is provided between the second rectangular block 29 and the third rectangular block 49. The third spring 31 is sleeved outside the fourth cylindrical bar 30. A silica gel scraping plate 32 is fixedly connected to the lower end of the fourth cylindrical bar 30;

[0047] After the steel plate is polished, water stains and impurities remain on its surface. When the steel plate is conveyed under the silicone scraper 32, the steel plate lifts the silicone scraper 32 and places the silicone scraper 32 on the upper surface of the steel plate. At the same time, it drives the fourth cylindrical bar 30 to slide in the middle of the second rectangular block 29 and compresses the third spring 31. When it needs to be cleaned, the first guide rail 27 is started to drive the first sliding table 28 to slide horizontally. The first sliding table 28 drives the silicone scraper 32 at the lower end of the fourth cylindrical bar 30 to slide on the surface of the steel plate through the third rectangular block 49, pushing the water stains and impurities on the surface of the steel plate to both sides of the steel plate to clean the surface of the steel plate.

[0048] As Figure 7 shown, dust collection components are provided on both sides of the conveyor belt 12. The dust collection components include a storage box 34 fixedly connected to the conveyor frame. A rectangular hole is opened on one side of the storage box 34. A U-shaped telescopic plate 33 is fixedly connected to the outside of the rectangular hole. A spring is provided inside the U-shaped telescopic plate 33. A dust collection box 35 is provided in a rectangular hole opened on the other side of the storage box 34. A filter screen is provided at the lower end of the dust collection box 35;

[0049] When the steel plate is conveyed forward and contacts the U-shaped telescopic plate 33, it compresses the spring provided inside the U-shaped telescopic plate 33, making one side of the U-shaped telescopic plate 33 close to the side of the steel plate. When the silicone scraper 32 pushes the water stains and impurities on the surface of the steel plate to both sides of the steel plate, the water stains and impurities enter the storage box 34 through the U-shaped telescopic plate 33. The impurities stay in the dust collection box 35 through the filter screen provided at the lower end of the dust collection box 35, and the water stains flow into the lower end of the storage box 34, enabling the recovery and collection of water stains and impurities.

[0050] As Figure 8 shown, a rectangular plate 41 is slidably connected between one side of the side plate 11 and the housing 1. A second lifting mechanism is provided between the rectangular plate 41 and the upper end of the housing 1. A detection mechanism is provided at the lower end of the rectangular plate 41. The detection mechanism includes two rectangular boxes 42 fixedly connected to the lower end of the rectangular plate 41 by bolts. A light-emitting component is provided in one of the rectangular boxes 42, and a photometric detector is provided in the other rectangular box 42;

[0051] After the polished steel plate is cleaned and conveyed to the lower end of the rectangular plate 41, there are two rectangular boxes 42 on both sides of the lower end of the rectangular plate 41. A light-emitting component is provided in one of the rectangular boxes 42, and a photometric detector is provided in the other rectangular box 42. Adjust the angles of the two rectangular boxes 42 so that the light emitted by the light-emitting component and irradiating on the surface of the steel plate is refracted into the photometric detector. It is detected by the photometric detector according to the intensity of the refracted light. When the light intensity is strong, the surface of the steel plate is relatively smooth. When the light intensity is weak, the surface of the steel plate is relatively rough. At this time, the photometric detector issues an alarm, and the unqualified polished steel plate is taken out for re-polishing, thereby realizing the detection of the smoothness of the surface of the steel plate.

[0052] As Figure 8As shown in the figure, the second lifting mechanism includes fourth rectangular bars 36 fixedly connected to both sides of the upper end of the housing 1. A second bidirectional lead screw 39 is rotatably connected between the two fourth rectangular bars 36. Fifth cylindrical bars 40 are arranged on both sides of the second bidirectional lead screw 39. Both ends of the fifth cylindrical bars 40 are fixedly connected to the fourth rectangular bars 36. Fifth rectangular bars 38 are respectively threadedly connected to both sides of the second bidirectional lead screw 39. The fifth rectangular bars 38 slide on both sides of the fifth cylindrical bars 40 respectively. Second connecting rods 37 are respectively rotatably connected to both ends of the fifth rectangular bars 38. The second connecting rods 37 are respectively rotatably connected to the rectangular plate 41.

[0053] After the grinding wheel 8 has been grinding for a long time, it will wear, so that the upper surface of the steel plate needs to move upward to keep the surface of the steel plate always in contact with the surface of the grinding wheel 8. When the upper surface of the steel plate moves upward, the height of the light-emitting component and the light intensity sensor needs to be adjusted to ensure that the light emitted by the light-emitting component onto the surface of the steel plate can always be refracted into the light intensity detector. At this time, the motor is started to drive the second bidirectional lead screw 39 to rotate. While rotating, it drives the fifth rectangular bars 38 on both sides to slide on the fifth cylindrical bars 40. When the fifth rectangular bars 38 move towards the middle, the upper ends of the second connecting rods 37 move closer to the middle, and the lower ends rotate with the rectangular plate 41, driving the rectangular plate 41 to move downward. When the fifth rectangular bars 38 move towards both sides, it drives the upper ends of the second connecting rods 37 to move towards both sides and at the same time drives the rectangular plate 41 to move upward, solving the problem of adjusting the height of the light-emitting component and the light intensity sensor fixed below the rectangular plate 41 according to steel plates of different thicknesses.

[0054] As Figures 9 to 10 shown in the figure, it further includes a cleaning component. The cleaning component includes second guide rails 43 fixedly connected to both sides of the rectangular box 42. Second sliders 44 are arranged on the second guide rails 43. A groove is provided on one side of the second slider 44. A scraper 45 is arranged between the grooves of the two second sliders 44. L-shaped grooves 48 are provided on both sides of the second slider 44. A fourth spring 47 is fixedly connected to one side inside the L-shaped groove 48. One end of the fourth spring 47 is fixedly connected to an L-shaped pointed block 46. A rectangular groove 50 is provided at the position corresponding to the lower end of the L-shaped pointed block 46 on the scraper 45. The lower end of the L-shaped pointed block 46 can slide in the rectangular groove 50.

[0055] Dust will be generated during grinding. When there is dust on the surfaces of the light-emitting component and the photometric sensor, it will affect the subsequent detection effect. Insert the scraper 45 into the grooves provided on both sides of the second sliding table 44. When the scraper 45 slides downward, it pushes the L-shaped pointed blocks 46 on both sides to slide in the L-shaped grooves 48, squeezing the fourth spring 47. When the scraper 45 is completely inserted into the groove, the fourth spring 47 releases its elastic force, pushing the pointed side of the L-shaped pointed block 46 into the rectangular grooves 50 provided on both sides of the scraper 45, fixing the scraper 45 to the second sliding table 44. Start the second guide rail 43 to drive the second sliding table 44 to move. The second sliding table 44 drives the scraper 45 to slide on the surfaces of the light-emitting component and the photometric sensor for cleaning. When the scraper 45 needs to be replaced after being used for a long time, toggle the L-shaped pointed blocks 46 on both sides to squeeze the fourth spring 47 so that one end of the pointed part of the L-shaped pointed block 46 disengages from the rectangular groove 50, and then the scraper 45 can be taken out for cleaning and replacement.

[0056] Working principle: When grinding steel plates of different thicknesses, the height of the conveyor belt 12 needs to be adjusted. When adjusting the height of the conveyor belt 12, start the motor 25 to drive the first bidirectional lead screw 24 to rotate. The first bidirectional lead screw 24 drives the second rectangular bars 22 on both sides to move, making the second rectangular bars 22 slide on the third cylindrical bars 23. When the second rectangular bars 22 move to both sides, when the angle of the folding link 21 becomes smaller, the I-shaped plate 18 moves downward and at the same time drives the upper conveyor belt 12 to move downward, and thicker steel plates can be ground. When the second rectangular bars 22 move towards the middle, the angle of the folding link 21 becomes larger. When the angle of the folding link 21 becomes larger, the I-shaped plate 18 moves upward and at the same time drives the upper conveyor belt 12 to move upward, and thinner steel plates can be ground. When the height of the conveyor belt 12 changes, the I-shaped plate 18 and the L-shaped blocks 15 at the four corners slide on the second cylindrical bars 16 and squeeze the second spring 17. After the adjustment is completed, place the steel plate on the conveyor belt 12 between the conveyor belt 12 and the conveyor wheels 9. The conveyor wheels 9 always closely adhere to the surface of the steel plate, so that the steel plate will not move during the conveying process. When the steel plate moves forward to the lower end of the grinding wheel 8, the surface of the steel plate is ground. During grinding, the steel plate continues to be conveyed until the grinding of the steel plate is completed;

[0057] When placing the steel plate on the conveyor belt 12 to prepare for grinding, turn on the nozzle 7 so that the water in the water tank 6 sprays out from the nozzle 7 to wet the side of the steel plate that needs to be ground, reducing the sparks generated during grinding and reducing dust;

[0058] Since the grinding wheel 8 will wear during the grinding process, when adjusting the height of the conveyor belt 12 upward, the first rectangular bar 3 slides upward on the first cylindrical bar 4 and squeezes the first spring 5, driving the T-shaped block 2 to move upward, and at the same time driving the conveyor wheel 9 to move upward. The first spring 5 is always in a contracted state, making the conveyor wheel 9 always closely adhere to the upper surface of the steel plate, and can automatically adapt to steel plates of different thicknesses;

[0059] After the steel plate is polished, water stains and impurities remain on its surface. When the steel plate is conveyed under the silica gel scraper 32, the steel plate lifts the silica gel scraper 32 and places the silica gel scraper 32 on the upper surface of the steel plate. At the same time, it drives the fourth cylindrical bar 30 to slide in the middle of the second rectangular block 29 and compresses the third spring 31. When it needs to be cleaned, the first guide rail 27 is started to drive the first sliding table 28 to slide horizontally. The first sliding table 28 drives the silica gel scraper 32 at the lower end of the fourth cylindrical bar 30 to slide on the surface of the steel plate through the third rectangular block 49, pushing the water stains and impurities on the surface of the steel plate to both sides of the steel plate to clean the surface of the steel plate;

[0060] When the steel plate is conveyed forward and contacts the U-shaped telescopic plate 33, it compresses the spring provided in the U-shaped telescopic plate 33, making one side of the U-shaped telescopic plate 33 close to the side of the steel plate. When the silica gel scraper 32 pushes the water stains and impurities on the surface of the steel plate to both sides of the steel plate, the water stains and impurities enter the storage box 34 through the U-shaped telescopic plate 33. The impurities stay in the dust collection box 35 through the filter screen provided at the lower end of the dust collection box 35, and the water stains flow into the lower end of the storage box 34, enabling the recovery and collection of water stains and impurities;

[0061] After the polished steel plate is cleaned, it is conveyed to the lower end of the rectangular plate 41. There are two rectangular boxes 42 on both sides of the lower end of the rectangular plate 41. A light-emitting component is provided in one rectangular box 42, and a light intensity detector is provided in the other rectangular box 42. The angles of the two rectangular boxes 42 are adjusted so that the light emitted by the light-emitting component onto the surface of the steel plate is refracted into the light intensity detector. The light intensity detector detects according to the intensity of the refracted light. When the light intensity is strong, the surface of the steel plate is relatively smooth; when the light intensity is weak, the surface of the steel plate is relatively rough. At this time, the light intensity detector issues an alarm, and the unqualified polished steel plate is taken out for re-polishing, thus realizing the detection of the smoothness of the surface of the steel plate;

[0062] After the grinding wheel 8 is worn after long-term grinding, the upper surface of the steel plate needs to move upward so that the surface of the steel plate is always in contact with the surface of the grinding wheel 8. When the upper surface of the steel plate moves upward, the height of the light-emitting component and the light intensity sensor needs to be adjusted to ensure that the light emitted by the light-emitting component onto the surface of the steel plate can always be refracted into the light intensity detector. At this time, the motor is started to drive the second bidirectional lead screw 39 to rotate. While rotating, it drives the two fifth rectangular bars 38 on both sides to slide on the fifth cylindrical bar 40. When the fifth rectangular bars 38 move towards the middle, the upper end of the second connecting rod 37 moves closer to the middle, and the lower end rotates with the rectangular plate 41, driving the rectangular plate 41 to move downward. When the fifth rectangular bars 38 move towards both sides, it drives the upper end of the second connecting rod 37 to move towards both sides and at the same time drives the rectangular plate 41 to move upward, solving the problem of adjusting the height of the fixed light-emitting component and the light intensity sensor below the rectangular plate 41 according to steel plates of different thicknesses;

[0063] Dust will be generated during polishing. When there is dust on the surfaces of the light-emitting component and the photometric sensor, it will affect the subsequent detection effect. Insert the scraper 45 into the grooves provided on the second sliding tables 44 on both sides. When the scraper 45 slides downward, it pushes the L-shaped pointed blocks 46 on both sides to slide in the L-shaped grooves 48, squeezing the fourth spring 47. When the scraper 45 is completely inserted into the groove, the fourth spring 47 releases its elastic force and pushes the pointed side of the L-shaped pointed block 46 into the rectangular grooves 50 provided on both sides of the scraper 45, fixing the scraper 45 to the second sliding table 44. Start the second guide rail 43 to drive the second sliding table 44 to move. The second sliding table 44 drives the scraper 45 to slide on the surfaces of the light-emitting component and the photometric sensor for cleaning. When the scraper 45 needs to be replaced after long-term use, toggle the L-shaped pointed blocks 46 on both sides to squeeze the fourth spring 47 so that one end of the pointed head of the L-shaped pointed block 46 disengages from the rectangular groove 50, and then the scraper 45 can be taken out for cleaning and replacement.

[0064] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only used to illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A galvanized steel sheet polishing and grinding device, characterized in that: It includes a housing (1) with rectangular holes on both sides. A bottom plate (19) is fixedly connected below the housing (1). At the four corners of the upper end of the bottom plate (19), second cylindrical bars (16) are fixedly connected. L-shaped blocks (15) are respectively slidably connected to the middle parts of the second cylindrical bars (16). Second springs (17) are respectively sleeved on the upper and lower ends of the second cylindrical bars (16). A first rectangular block (14) is fixedly connected to the upper end of the second cylindrical bar (16). A conveyor frame is arranged between the four first rectangular blocks (14), and a conveyor belt (12) is installed on the conveyor frame. The L-shaped block (15) is fixedly connected to an I-shaped plate (18); A first lifting mechanism is provided between the bottom plate (19) and the I-shaped plate (18), and the first lifting mechanism is used to adjust the height of the conveyor belt (12); A number of conveyor wheels (9) are provided at the upper end of the conveyor belt (12), and grinding wheels (8) are respectively provided between adjacent two conveyor wheels (9); The first lifting mechanism includes U-shaped plates (20) fixedly connected to the bottom plate (19) and the I-shaped plate (18) respectively. The two U-shaped plates (20) are fixedly connected by a folding assembly, and the folding assembly is arranged on both sides of the U-shaped plate (20); The folding assembly includes folding connecting rods (21) rotatably connected between the two U-shaped plates (20). The two folding connecting rods (21) are rotatably connected by a second rectangular bar (22). A first bidirectional lead screw (24) is threadedly connected to the middle parts of the two second rectangular bars (22). Third cylindrical bars (23) are provided on both sides of the first bidirectional lead screw (24). The third cylindrical bars (23) penetrate through the second rectangular bar (22). Third rectangular bars (26) are fixedly connected to both ends of the third cylindrical bar (23). One end of the first bidirectional lead screw (24) is fixedly connected to the output end of a motor (25), and the motor (25) is fixedly connected to the third rectangular bar (26) through a motor base; The upper end of the housing (1) is fixedly connected with a side plate (11); A rectangular plate (41) is slidably connected between one side of the side plate (11) and the housing (1). A second lifting mechanism is provided between the rectangular plate (41) and the upper end of the housing (1). A detection mechanism is arranged at the lower end of the rectangular plate (41). The detection mechanism includes two rectangular boxes (42) fixedly connected to the lower end of the rectangular plate (41) by bolts. A light-emitting component is arranged in one of the rectangular boxes (42), and a photometric detector is arranged in the other rectangular box (42); The second lifting mechanism includes fourth rectangular bars (36) fixedly connected to both sides of the upper end of the housing (1). A second bidirectional lead screw (39) is rotatably connected between the two fourth rectangular bars (36). Fifth cylindrical bars (40) are provided on both sides of the second bidirectional lead screw (39). Both ends of the fifth cylindrical bars (40) are fixedly connected to the fourth rectangular bars (36). Fifth rectangular bars (38) are respectively threadedly connected to both sides of the second bidirectional lead screw (39). The fifth rectangular bars (38) respectively slide on both sides of the fifth cylindrical bars (40). Second connecting rods (37) are respectively rotatably connected to both ends of the fifth rectangular bars (38). The second connecting rods (37) are respectively rotatably connected to the rectangular plate (41).

2. The galvanized steel sheet polishing and grinding equipment according to claim 1, wherein: The folding connecting rod (21) includes two connecting rods. Support shafts are fixedly connected to both ends of the second rectangular bar (22). One end of each connecting rod is rotatably arranged on the support shaft. One of the connecting rods is rotatably connected to the upper U-shaped plate (20), and the other connecting rod is rotatably connected to the lower U-shaped plate (20).

3. A galvanized steel sheet polishing and grinding device according to claim 1, characterized in that: A water tank (6) is fixedly connected to one side of the upper end of the housing (1). A plurality of spray nozzles (7) are fixedly connected to the lower end of the water tank (6).

4. The galvanized steel sheet polishing and grinding equipment according to claim 1, wherein: T-shaped blocks (2) are rotatably connected to both sides of the conveyor wheel (9). A first rectangular bar (3) is fixedly connected to the lower end of the T-shaped block (2). First cylindrical bars (4) penetrate and slide through both sides of the first rectangular bar (3). The first cylindrical bars (4) are fixed in rectangular holes provided on both sides of the housing (1). A first spring (5) is sleeved on the first cylindrical bar (4) above the first rectangular bar (3).

5. A galvanized steel sheet polishing and grinding device according to claim 1, characterized in that A first guide rail (27) is fixedly connected to one side of the side plate (11). A first sliding table (28) is provided on the first guide rail (27). A second rectangular block (29) is fixedly connected to the upper end of one side of the first sliding table (28). A third rectangular block (49) is slidably connected to the middle of one side of the first sliding table (28). A fourth cylindrical bar (30) fixedly penetrates through the middle of the third rectangular block (49). The upper end of the fourth cylindrical bar (30) slidably penetrates through the second rectangular block (29). A third spring (31) is provided between the second rectangular block (29) and the third rectangular block (49). The third spring (31) is sleeved on the outside of the fourth cylindrical bar (30). A silica gel scraping plate (32) is fixedly connected to the lower end of the fourth cylindrical bar (30).

6. The galvanized steel sheet polishing and grinding equipment according to claim 1, characterized in that: Dust collection components are provided on both sides of the conveyor belt (12). The dust collection components include a storage box (34) fixedly connected to the conveyor frame. A rectangular hole is provided on one side of the storage box (34). A U-shaped telescopic plate (33) is fixedly connected to the outside of the rectangular hole. A spring is provided inside the U-shaped telescopic plate (33). A dust collection box (35) is provided in a rectangular hole provided on the other side of the storage box (34). A filter screen is provided at the lower end of the dust collection box (35).

7. A galvanized steel sheet polishing and grinding device according to claim 1, characterized in that: It further includes a cleaning component. The cleaning component includes second guide rails (43) fixedly connected to both sides of the rectangular box (42) respectively. A second sliding table (44) is provided on the second guide rails (43). A groove is provided on one side of the second sliding table (44). A scraper (45) is provided between the grooves of the two second sliding tables (44). L-shaped grooves (48) are provided on both sides of the second sliding table (44). A fourth spring (47) is fixedly connected to one side inside the L-shaped groove (48). One end of the fourth spring (47) is fixedly connected to an L-shaped pointed block (46). A rectangular groove (50) is formed at a position corresponding to the lower end of the L-shaped pointed block (46) on the scraper (45). The lower end of the L-shaped pointed block (46) can slide in the rectangular groove (50).

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