Galvanized steel pipe surface black removing equipment

Abstract

The utility model provides galvanized steel pipe surface black removing equipment which comprises a vehicle body, a black removing device and a black removing device. The at least two groups of black removing mechanisms are arranged on the inner side of the cylinder, and black removing is carried out on the surface of the galvanized steel pipe after the galvanized steel pipe stretches into the space between the black removing mechanisms; the adjusting mechanism is arranged between the cylinder and the black removing mechanism and is used for adjusting the relative distance between the black removing mechanism and the cylinder; and the lifting mechanism is arranged on one side of the vehicle body so as to adjust the relative height of the cylinder relative to the vehicle body. According to the utility model, the relative distance between the cylinder and the black removing mechanism is adjusted through the adjusting mechanism arranged between the cylinder and the black removing mechanism, so that the black removing mechanism is suitable for removing black on the surfaces of steel pipes with different specifications; wherein the lifting mechanism is mounted on one side of the vehicle body and is used for adjusting the height of the cylinder relative to the vehicle body, so that the cylinder can be correspondingly adjusted according to the position of a galvanized steel pipe to be detected.

Description

Technical Field

[0001] The utility model relates to the technical field of removing black spots from the surface of steel pipes, in particular to equipment for removing black spots from the surface of galvanized steel pipes. Background Art

[0002] During the use of galvanized steel pipes, black oxides are prone to appear on the surface, which will affect its appearance and quality, and even reduce its anti-corrosion performance; in order to solve this problem, a black removal device can be used to treat the galvanized steel pipe, remove the black oxides on the surface, and restore its bright surface; a Chinese patent (publication number CN 218801368U) discloses a hot-dip galvanized steel pipe surface black removal device, which is provided with a through-tube-shaped black removal mechanism that fits the surface of the steel pipe, and utilizes the directional rotation of the gear and the directional movement of the lower movable base to quickly and efficiently polish and remove black from the steel pipe surface, effectively improving the work efficiency of the steel pipe surface black removal, but it cannot be adjusted accordingly according to the diameter of the steel pipe, and when facing different steel pipe diameters, it is necessary to replace equipment of different specifications. Therefore, the utility model proposes a galvanized steel pipe surface black removal device to improve the above-mentioned problems. Utility Model Content

[0003] Therefore, the technical problem to be solved by the utility model is to overcome the defect that the galvanized steel pipe surface de-blackening equipment in the prior art cannot be adjusted accordingly according to the diameter of the steel pipe, thereby providing a galvanized steel pipe surface de-blackening equipment.

[0004] In order to solve the above problems, the utility model provides a galvanized steel pipe surface black removal device, which includes:

[0005] A vehicle body, wherein a cylinder is provided on one side of the vehicle body;

[0006] Black removal mechanisms, at least two of which are arranged inside the cylinder, are used to remove black spots from the surface of the galvanized steel pipe after the galvanized steel pipe is inserted between the black removal mechanisms;

[0007] An adjusting mechanism is disposed between the cylinder and the black removing mechanism to adjust the relative distance between the black removing mechanism and the cylinder;

[0008] A lifting mechanism is arranged on one side of the vehicle body to adjust the relative height of the cylinder with respect to the vehicle body.

[0009] Preferably, the lifting mechanism comprises: a pair of guide rails arranged along the height direction of the vehicle body, the guide rails are respectively provided with sliders, the sliders are slidably connected to the guide rails, a pair of guide rails are connected with a sliding plate on one side close to the cylinder, a first screw is further arranged between the pair of guide rails, the two ends of the first screw are respectively rotatably connected to the bottom and the top of the vehicle body, a first motor is further arranged on the top of the vehicle body, and the output shaft of the first motor passes through the top of the vehicle body and is connected to the screw;

[0010] A linkage block is arranged on the first screw rod, the linkage block is screwed to the first screw rod, the linkage block is connected to the sliding plate, a fixing plate is arranged perpendicular to the sliding plate on the side of the sliding plate away from the vehicle body.

[0011] Preferably, the black removal mechanism comprises: a scraper, the end of the scraper away from the cylinder is arc-shaped, and sharp angles are arranged at two vertex corners of the end of the arc-shaped scraper.

[0012] Preferably, the adjustment mechanism includes an adjustment cylinder, which is evenly and symmetrically arranged with the center of the cylinder as the center of the circle, one end of the adjustment cylinder is connected to the inner wall of the cylinder, a sliding hole adapted to the scraper is arranged in the adjustment cylinder, the scraper and the sliding hole are slidably connected, a second screw is arranged on the side of the scraper close to the cylinder, one end of the second screw is rotatably connected to the scraper, screw holes adapted to the screw are respectively arranged on the inner wall of the cylinder, the other end of the second screw passes through the sliding hole and the screw hole in sequence, and the second screw is screwed to the screw hole.

[0013] Preferably, the length dimension of the scraper is greater than the length dimension of the sliding hole.

[0014] Preferably, a handle is further provided at one end of the second screw located outside the cylinder.

[0015] Preferably, it further comprises a rotating mechanism, wherein the rotating mechanism comprises a fixing ring, the fixing ring is arranged on the fixing plate, at least one pair of connecting plates are arranged between the fixing ring and the fixing plate, and two ends of the connecting plates are respectively connected to the fixing ring and the fixing plate;

[0016] A rotation groove is arranged in the fixing ring, and a rotation edge matched with the rotation groove is arranged at one end of the cylinder, and the rotation edge is connected with the rotation groove in a sliding and rotational manner.

[0017] Preferably, the end of the cylinder close to the rotating edge is also connected to a gear ring, and a plurality of teeth are evenly arranged on the inner side of the gear ring;

[0018] An L-shaped plate is arranged on the outside of the fixing ring, a mounting plate is arranged on the L-shaped plate, one plate of the L-shaped plate is vertically connected to the outside of the fixing ring, another plate of the L-shaped plate is connected to one end of the mounting plate, the other end of the mounting plate extends to the inside of the gear ring, a second motor is arranged on the side of the mounting plate away from the fixing ring, the output shaft of the second motor is connected to a first rotating rod, the first rotating rod rotatably passes through the mounting plate and extends to one plate of the L-shaped plate, and a first gear is arranged on the first rotating rod;

[0019] The mounting plate is provided with a second rotating rod near the gear ring, one end of the second rotating rod is rotatably connected to the mounting plate, the other end of the second rotating rod extends toward the gear ring, the second rotating rod is provided with a second gear, a rack ring is sleeved between the second gear and the first gear, the second rotating rod is provided with a third gear near the gear ring, the third gear is meshed with the teeth on the inner side of the gear ring.

[0020] The utility model provides a galvanized steel pipe surface black removal device with the following beneficial effects:

[0021] 1. The utility model adjusts the relative distance between the cylinder and the black removal mechanism by means of an adjustment mechanism installed between the cylinder and the black removal mechanism, so that the black removal mechanism can adapt to the black removal of the surface of steel pipes of different specifications; wherein, the lifting mechanism is installed on one side of the vehicle body, and the height of the cylinder relative to the vehicle body is adjusted, so that the cylinder can be adjusted accordingly according to the position of the galvanized steel pipe to be tested;

[0022] 2. The utility model also changes the distance between the scraper and the cylinder by sliding the scraper in the sliding hole of the adjusting cylinder, thereby changing the distance between the scraper and the steel pipe;

[0023] 3. The utility model also drives the first rotating rod to rotate by means of a second motor. Since the first gear and the second gear are meshing with the gear ring, the second rotating rod where the second gear is located rotates on the mounting plate, driving the third gear to rotate, so that the third gear and the inner teeth of the gear ring are meshing. The gear ring is transmitted through the third gear, driving the cylinder to rotate relative to the fixed ring, realizing the rotation of the rotating groove of the fixed ring and the rotating edge of the cylinder, so as to realize the rotation of the cylinder, and then driving the scraper to rotate to remove black spots on the surface of the steel pipe, so that it can adapt to the entire outer surface of the steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the general assembly of the utility model;

[0025] Figure 2 It is a side view structural schematic diagram of the utility model;

[0026] Figure 3 This is a schematic diagram of the installation of the fixing ring structure of the utility model;

[0027] Figure 4 This is a schematic diagram of the installation of the L-shaped plate structure of the utility model;

[0028] Figure 5 This is a cross-sectional view of the fixing ring structure of the utility model;

[0029] Figure 6 This is a schematic diagram of the installation of the sliding hole structure of the utility model.

[0030] The reference numerals are as follows:

[0031] 1. Car body; 2. Cylinder; 3. Guide rail; 4. Slider; 5. Sliding plate; 6. First screw rod; 7. First motor; 8. Linkage block; 9. Fixed plate; 10. Scraper; 11. Sharpening angle; 12. Adjustment cylinder; 13. Slide hole; 14. Second screw rod; 15. Handle; 16. Fixed ring; 17. Connecting plate; 18. Rotating groove; 19. Rotating edge; 20. Gear ring; 21. Teeth; 22. L-shaped plate; 23. Mounting plate; 24. Second motor; 25. First gear; 26. Second rotating rod; 27. Second gear; 28. Rack ring; 29. ​​Third gear. DETAILED DESCRIPTION

[0032] like Figure 1-6 As shown, the utility model provides a galvanized steel pipe surface black removal device, which includes:

[0033] The vehicle body 1 is provided with a cylinder 2 on one side of the vehicle body 1; a black removal mechanism is provided at least in two groups inside the cylinder 2, and the black removal is performed on the surface of the galvanized steel pipe after the galvanized steel pipe is inserted into the black removal mechanism; an adjustment mechanism is provided between the cylinder 2 and the black removal mechanism to adjust the relative distance between the black removal mechanism and the cylinder 2; a lifting mechanism is provided on one side of the vehicle body 1 to adjust the relative height of the cylinder 2 relative to the vehicle body 1. Figure 1-6As shown, a device for removing black spots from the surface of galvanized steel pipes is supported by a vehicle body 1 to facilitate movement of the device. A cylinder 2 is installed on one side of the vehicle body 1, and at least two sets of black removal mechanisms are relatively installed on the cylinder 2. When the galvanized steel pipe extends into the black removal mechanism in the cylinder 2, the surface of the galvanized steel pipe is removed black. When facing galvanized steel pipes of different specifications, the relative distance between the cylinder 2 and the black removal mechanism is adjusted by an adjustment mechanism installed between the cylinder 2 and the black removal mechanism, so that the black removal mechanism can adapt to the black removal of the surfaces of steel pipes of different specifications. A lifting mechanism is installed on one side of the vehicle body 1 to adjust the height of the cylinder 2 relative to the vehicle body 1, so that the cylinder 2 can be adjusted accordingly according to the position of the galvanized steel pipe to be tested. During the black removal process, the vehicle body 1 can be actively moved along the length direction of the steel pipe or the steel pipe can be actively moved relative to the vehicle body 1.

[0034] In some embodiments, the lifting mechanism includes: a pair of guide rails 3 arranged along the height direction of the vehicle body 1, sliders 4 are respectively arranged on the guide rails 3, and the sliders 4 are slidably connected to the guide rails 3; a pair of guide rails 3 are connected to a sliding plate 5 on one side close to the cylinder 2; a first screw 6 is also arranged between the pair of guide rails 3, and the two ends of the first screw 6 are respectively rotatably connected to the bottom and top of the vehicle body 1; a first motor 7 is also arranged on the top of the vehicle body 1, and the output shaft of the first motor 7 passes through the top of the vehicle body 1 and is connected to the screw; a linkage block 8 is arranged on the first screw 6, and the linkage block 8 is screwed to the first screw 6, and the linkage block 8 is connected to the sliding plate 5; a fixed plate 9 is also arranged on the side of the sliding plate 5 away from the vehicle body 1, and the fixed plate 9 is arranged vertically to the sliding plate 5. Figure 1-6 As shown, the first motor 7 is commercially available, and the output shaft of the first motor 7 and the first screw 6 can be connected by a coupling. The first motor 7 is rotated forward and reversely to drive the screw to rotate, so that the sliding plate 5 connected to the linkage block 8 changes its height position relative to the guide rail 3, so as to realize the lifting and lowering of the fixed plate 9 on the sliding plate 5 in the height direction of the vehicle body 1.

[0035] In some embodiments, the black removal mechanism includes: a scraper 10, the end of the scraper 10 away from the cylinder 2 is arc-shaped, and two vertex corners of the end of the arc-shaped scraper 10 are provided with sharp corners 11. Figure 1-6 As shown, the end of the scraper 10 away from the cylinder 2 is arc-shaped. When the specifications of the steel pipe are different, the scraper 10 cannot adapt to all steel pipes. When it is set to an arc shape, the outer wall of the steel pipe can be deblackened through the joint action of multiple scrapers 10. Among them, sharp corners 11 are set at the two top corners of one end of the scraper 10 set to an arc shape to avoid scratching the steel pipe after it comes into contact with it.

[0036] In some embodiments, the adjustment mechanism includes an adjustment cylinder 12, the adjustment cylinder 12 is evenly and symmetrically arranged with the center of the cylinder 2 as the center of the circle, one end of the adjustment cylinder 12 is connected to the inner wall of the cylinder 2, a sliding hole 13 adapted to the scraper 10 is arranged in the adjustment cylinder 12, the scraper 10 and the sliding hole 13 are slidably connected, a second screw 14 is arranged on the side of the scraper 10 close to the cylinder 2, one end of the second screw 14 is rotatably connected to the scraper 10, the inner wall of the cylinder 2 is respectively provided with screw holes adapted to the screw, the other end of the second screw 14 passes through the sliding hole and the screw hole in turn, and the second screw 14 is screwed to the screw hole. Figure 1-6 As shown, a plurality of adjusting cylinders 12 are evenly and symmetrically arranged with the center of the cylinder 2 as the center of the circle. The adjusting cylinder 12 is connected to the inner wall of the cylinder 2. The scraper 10 slides in the sliding hole 13 of the adjusting cylinder 12 to change the distance between the scraper 10 and the cylinder 2, thereby changing the distance between the scraper 10 and the steel pipe. The second screw 14 is rotated to be screwed to the screw hole on the outer wall of the cylinder 2. A corresponding limit is set at the rotation connection between the second screw 14 and the scraper 10 to prevent the second screw 14 and the scraper 10 from detaching. It can be a retaining edge or a limit ring. The length of the second screw 14 relative to the screw hole changes, thereby driving the scraper 10 to change the position of the adjusting cylinder 12.

[0037] In some embodiments, the length of the scraper 10 is greater than the length of the sliding hole 13. Figure 1-6 As shown, the length of the scraper 10 is ensured to be greater than the length of the sliding hole 13, so that during the adjustment of the scraper 10 relative to the steel pipe, the steel pipe is prevented from directly contacting the adjustment cylinder 12.

[0038] In some embodiments, a handle 15 is further provided at one end of the second screw 14 outside the cylinder 2. Figure 1-6 As shown, the handle 15 at one end of the second screw rod 14 outside the cylinder 2 is convenient for operating the second screw rod 14 , and a groove may be provided on the handle 15 to facilitate grasping of the handle 15 .

[0039] In some embodiments, a rotation mechanism is further included, the rotation mechanism includes a fixing ring 16, the fixing ring 16 is arranged on the fixing plate 9, at least one pair of connecting plates 17 is arranged between the fixing ring 16 and the fixing plate 9, and the two ends of the connecting plates 17 are respectively connected to the fixing ring 16 and the fixing plate 9; a rotation groove 18 is arranged in the fixing ring 16, and a rotating edge 19 adapted to the rotating groove 18 is arranged at one end of the cylinder 2, and the rotating edge 19 and the rotating groove 18 are connected by sliding rotation. Figure 1-6As shown, a rotating mechanism is also provided. When the number of scrapers 10 provided is insufficient to cover all the surfaces of the steel pipe, the rotating mechanism is utilized to rotate the cylinder 2 so as to remove black spots on the surface by means of rotation. The fixed ring 16 is connected to the fixed plate 9 via a connecting plate 17. The fixed ring 16 is a circular ring. The rotating groove 18 of the fixed ring 16 is rotatably connected to the rotating edge 19 of the cylinder 2, so that the rotation of the cylinder 2 can be realized, thereby driving the scrapers 10 to rotate and remove black spots on the surface of the steel pipe, so that it can adapt to the entire outer surface of the steel pipe.

[0040] In some embodiments, the end of the cylinder 2 close to the rotating edge 19 is also connected to a gear ring 20, and a plurality of teeth 21 are evenly arranged on the inner side of the gear ring 20; an L-shaped plate 22 is arranged on the outer side of the fixing ring 16, and a mounting plate 23 is arranged on the L-shaped plate 22, one plate of the L-shaped plate 22 is vertically connected to the outer side of the fixing ring 16, and the other plate of the L-shaped plate 22 is connected to one end of the mounting plate 23, and the other end of the mounting plate 23 extends to the inner side of the gear ring 20, and a second motor 24 is arranged on the side of the mounting plate 23 away from the fixing ring 16, and the output shaft of the second motor 24 is connected to the first rotating rod, and the first rotating rod A plate rotatably passing through the mounting plate 23 and extending toward the L-shaped plate 22, the first rotating rod is provided with a first gear 25; the mounting plate 23 is provided with a second rotating rod 26 near the gear ring 20, one end of the second rotating rod 26 is rotatably connected to the mounting plate 23, the other end of the second rotating rod 26 extends toward the gear ring 20, the second rotating rod 26 is provided with a second gear 27, a rack ring 28 is sleeved between the second gear 27 and the first gear 25, the second rotating rod 26 is provided with a third gear 29 near the gear ring 20, the third gear 29 is meshed with the teeth 21 inside the gear ring 20. Figure 1-6 As shown, the L-shaped plate 22 connected to the outside of the fixed ring 16 provides a mounting position for the mounting plate 23, and the mounting plate 23 extends to the inner side of the gear ring 20. The second motor 24 is commercially available, and the output shaft of the second motor 24 and the first rotating rod can be connected by a coupling. The first rotating rod drives the first gear 25 to rotate through the forward and reverse rotation of the second motor 24. Since the first gear 25 and the second gear 27 are engaged with the gear ring 20, the second rotating rod 26 where the second gear 27 is located rotates on the mounting plate 23, driving the third gear 29 to rotate, so that the third gear 29 is engaged with the teeth 21 on the inner side of the gear ring 20, and the gear ring 20 is transmitted through the third gear 29, driving the cylinder 2 to rotate relative to the fixed ring 16, realizing the rotation of the rotating groove 18 of the fixed ring 16 and the rotating edge 19 of the cylinder 2, so as to realize the rotation of the cylinder 2, and then driving the scraper 10 to rotate to remove black from the surface of the steel pipe, so that it can adapt to the entire outer surface of the steel pipe.

[0041] The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the utility model should be included in the protection scope of the utility model. The above is only a preferred implementation of the utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and variations can be made without departing from the technical principles of the utility model, and these improvements and variations should also be regarded as the protection scope of the utility model.

Claims

1. A galvanized steel pipe surface black removal device, characterized in that: include: A vehicle body, wherein a cylinder is provided on one side of the vehicle body; Black removal mechanisms, at least two of which are arranged inside the cylinder, are used to remove black spots from the surface of the galvanized steel pipe after the galvanized steel pipe is inserted between the black removal mechanisms; An adjusting mechanism is disposed between the cylinder and the black removing mechanism to adjust the relative distance between the black removing mechanism and the cylinder; A lifting mechanism, disposed on one side of the vehicle body, to adjust the relative height of the cylinder with respect to the vehicle body; The lifting mechanism comprises: a pair of guide rails arranged along the height direction of the vehicle body, the guide rails are respectively provided with sliders, the sliders are slidably connected with the guide rails, a sliding plate is connected to one side of the pair of guide rails close to the cylinder, a first screw is also arranged between the pair of guide rails, the two ends of the first screw are respectively rotatably connected with the bottom and the top of the vehicle body, a first motor is also arranged on the top of the vehicle body, and the output shaft of the first motor passes through the top of the vehicle body and is connected with the screw; A linkage block is provided on the first screw rod, the linkage block is screwed to the first screw rod, the linkage block is connected to the sliding plate, a fixing plate is further provided on the side of the sliding plate away from the vehicle body, and the fixing plate is vertically arranged with the sliding plate; It also includes a rotating mechanism, the rotating mechanism includes a fixing ring, the fixing ring is arranged on the fixing plate, at least one pair of connecting plates are arranged between the fixing ring and the fixing plate, and two ends of the connecting plate are respectively connected to the fixing ring and the fixing plate; A rotating groove is arranged in the fixing ring, and a rotating edge matching the rotating groove is arranged at one end of the cylinder, and the rotating edge is connected to the rotating groove in a sliding and rotating manner; The cylinder is also connected to a gear ring at one end close to the rotating side, and a plurality of teeth are evenly arranged on the inner side of the gear ring; An L-shaped plate is arranged on the outside of the fixing ring, a mounting plate is arranged on the L-shaped plate, one plate of the L-shaped plate is vertically connected to the outside of the fixing ring, another plate of the L-shaped plate is connected to one end of the mounting plate, the other end of the mounting plate extends to the inside of the gear ring, a second motor is arranged on the side of the mounting plate away from the fixing ring, the output shaft of the second motor is connected to a first rotating rod, the first rotating rod rotatably passes through the mounting plate and extends to one plate of the L-shaped plate, and a first gear is arranged on the first rotating rod; The mounting plate is provided with a second rotating rod near the gear ring, one end of the second rotating rod is rotatably connected to the mounting plate, the other end of the second rotating rod extends toward the gear ring, the second rotating rod is provided with a second gear, a rack ring is sleeved between the second gear and the first gear, the second rotating rod is provided with a third gear near the gear ring, the third gear is meshed with the teeth on the inner side of the gear ring.

2. The galvanized steel pipe surface black removal equipment according to claim 1 is characterized in that: The black removal mechanism comprises a scraper, one end of the scraper away from the cylinder is arc-shaped, and two vertex corners of one end of the arc-shaped scraper are provided with sharp corners.

3. The galvanized steel pipe surface black removal equipment according to claim 2 is characterized in that: The adjusting mechanism comprises an adjusting cylinder, which is evenly and symmetrically arranged with the center of the cylinder as the center of the circle, one end of the adjusting cylinder is connected to the inner wall of the cylinder, a sliding hole adapted to the scraper is arranged in the adjusting cylinder, the scraper and the sliding hole are slidably connected, a second screw is arranged on the side of the scraper close to the cylinder, one end of the second screw is rotatably connected to the scraper, screw holes adapted to the screw are respectively arranged on the inner wall of the cylinder, the other end of the second screw passes through the sliding hole and the screw hole in sequence, and the second screw is screwed to the screw hole.

4. The galvanized steel pipe surface black removal device according to claim 3 is characterized in that: The length dimension of the scraper is greater than the length dimension of the sliding hole.

5. The galvanized steel pipe surface black removal equipment according to claim 3 is characterized in that: A handle is also provided at one end of the second screw rod located outside the cylinder.

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