Seamless steel tube surface uniform pickling equipment

Abstract

The utility model discloses seamless steel pipe surface uniform pickling equipment, which relates to the technical field of pickling equipment and comprises an L-shaped base, a moving plate is arranged on one side of the top of the L-shaped base, a pickling frame is fixedly arranged on the top of the L-shaped base, and rotating assemblies are arranged on one side of the L-shaped base and the moving plate. And the pickling frame is used for clamping seamless steel pipes of different sizes and conveniently driving the seamless steel pipes to rotate, and a pickling assembly is arranged in the pickling frame and used for achieving uniform pickling on the surfaces of the seamless steel pipes. According to the seamless steel pipe pickling device, a seamless steel pipe penetrates through the two penetrating rods, the clamping blocks are separated to clamp and fix the outer wall of the seamless steel pipe under the elastic action of the first telescopic rods and the first springs, and the rotating shaft drives the rotating disc to rotate, so that the seamless steel pipe clamped on the rotating disc is driven to rotate, and subsequent comprehensive pickling on the surface of the seamless steel pipe is facilitated; the pickling effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pickling equipment, in particular to equipment for uniform pickling of the surface of a seamless steel pipe. Background Art

[0002] Seamless steel pipe is a steel pipe made by perforating a whole round steel bar without welds on the surface. According to the production method, seamless steel pipe can be divided into hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, cold-drawn seamless steel pipe, extruded seamless steel pipe, jacking pipe, etc. After the production of seamless steel pipe, its surface needs to be pickled to clean the surface residue. In this process, pickling equipment is needed.

[0003] For example, a galvanized steel pipe pickling device with Chinese patent application number CN201720476753.9 includes a pickling tank, a grinding tank is provided on one side of the pickling tank, and a grinding brush is symmetrically provided inside the grinding tank. The utility model has a scientific and reasonable structure, is safe and convenient to use, and is provided with a grinding brush, which can be used to grind the galvanized steel pipe before pickling, remove the larger rust attached to the surface, so that the acidizing liquid can fully contact with the galvanized steel pipe for acidification, thereby improving the efficiency of acidification, and is provided with a cleaning brush, which can be used to clean the surface of the galvanized steel pipe during cleaning, and the pickling liquid can be fully cleaned off, and the grinding brush and the cleaning brush are both set in an elliptical shape, which can fully contact with the surface of the galvanized steel pipe, thereby improving the efficiency of cleaning and grinding.

[0004] However, in actual use, the seamless steel pipe of the above device passes through the steel pipe channel and is pickled by several corrosion-resistant pickling liquid nozzles, but the bottom of the seamless steel pipe cannot contact the corrosion-resistant pickling liquid, so the bottom of the steel pipe cannot be pickled, which reduces the scope of application. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a uniform pickling device for the surface of seamless steel pipes. The seamless steel pipe is passed through two penetration rods, and the clamping blocks are opened to clamp and fix the outer wall of the seamless steel pipe under the elastic force of the first telescopic rod and the first spring. The rotating shaft drives the turntable to rotate, thereby driving the seamless steel pipe clamped thereon to rotate, which is convenient for subsequent comprehensive pickling of the surface of the seamless steel pipe, improves the pickling effect, and can effectively solve the problems in the background technology.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is: a uniform pickling device for the surface of a seamless steel pipe, comprising an L-shaped base, a movable plate is provided on one side of the top of the L-shaped base, and a pickling frame is fixedly provided on the top of the L-shaped base;

[0007] A rotating assembly is provided on one side of the L-shaped base and the movable plate, which is used to clamp seamless steel pipes of different sizes and facilitate driving the seamless steel pipes to rotate;

[0008] A pickling assembly is provided inside the pickling frame for uniformly pickling the surface of the seamless steel pipe;

[0009] The rotating assembly includes a rotating shaft, which is connected to one side of the L-shaped base through a bearing. A turntable is fixedly provided at one end of the rotating shaft, and receiving blocks are fixedly provided at the top and bottom of one side of the turntable. A first telescopic rod is fixedly provided on one side where two receiving blocks are close to each other, and a clamping block is fixedly provided at one end of the two first telescopic rods.

[0010] Preferably, a first spring is sleeved on the first telescopic rod, and two ends of the first spring are respectively fixedly connected to the clamping block and the receiving block, and a through rod is fixedly provided at the center of the rotating disk away from the rotating shaft.

[0011] Preferably, a motor is fixedly provided on one side of the L-shaped base, and the output shaft of the motor passes through the L-shaped base and is fixedly connected to the center of one side of the rotating shaft, so that the motor can drive the rotating shaft to rotate.

[0012] Preferably, the pickling assembly includes a pickling cylinder, which is fixed on the top of the pickling frame, and a connecting pipe is fixed on the bottom of the pickling cylinder. The bottom end of the connecting pipe passes through the pickling frame and is fixed with an electric valve, and the electric valve is arranged at the top of the pickling frame.

[0013] Preferably, a connecting frame is fixedly provided at the bottom end of the connecting pipe, a plurality of evenly distributed rotating nozzles are fixedly provided at the bottom of the connecting frame, two second telescopic rods are fixedly provided on the rear side wall of the pickling frame, and a same scraper is fixedly provided between the front ends of the two second telescopic rods to facilitate contact with the rear side wall of the seamless steel pipe and scrape off dirt on its surface.

[0014] Preferably, a second spring is sleeved on the second telescopic rod, and the two ends of the second spring are respectively fixedly connected to the pickling frame and the scraper, two guide platforms distributed front and back are fixedly provided at the bottom end of the pickling frame, and two drainage pipes are fixedly provided at the bottom end of the pickling frame, and both drainage pipes pass through the bottom of the L-shaped base and are arranged between the two guide platforms, so as to facilitate the discharge of the pickling liquid inside the pickling frame.

[0015] Preferably, two slide grooves distributed front and back are opened on one side of the top of the L-shaped base, and a slider is slidably provided inside the slide groove. The two sliders are respectively fixed to the front and rear ends of the bottom of the movable plate. The front and rear sides of the bottom of the movable plate are threadedly connected with bolts for fixing the L-shaped base and the movable plate, which is convenient for moving the position of the movable plate so as to clamp seamless steel pipes of different lengths.

[0016] Preferably, a control panel for controlling the motor and the electric valve is fixedly provided on the front side of the L-shaped base, a frame door is hinged on the front side of the pickling frame, and support columns are fixedly provided at the four corners of the bottom of the L-shaped base to facilitate the movement of the utility model.

[0017] Compared with the prior art, the utility model provides a seamless steel pipe surface uniform pickling device, which has the following beneficial effects:

[0018] 1. Manually push the moving plate to drive the slider to move horizontally along the slide slot, pry the clamping blocks apart, insert one end of the seamless steel pipe into the penetration rod and place it between the two clamping blocks. The clamping block clamps and fixes the outer wall of the seamless steel pipe under the elastic force of the first telescopic rod and the first spring. The motor then drives the rotating shaft to rotate, thereby driving the seamless steel pipe clamped thereon to rotate, which is convenient for subsequent comprehensive pickling of the surface of the seamless steel pipe and improves the pickling effect.

[0019] 2. The purpose of pickling is achieved by letting the pickling liquid in the pickling cylinder flow into the connecting frame through the connecting pipe and finally spraying it evenly onto the surface of the seamless steel pipe through a number of rotating nozzles. At the same time, the scraper is squeezed by the rear side wall of the seamless steel pipe and drives the second telescopic rod and the second spring to contract. In this way, during the rotation of the seamless steel pipe, the dirt pickled by the pickling liquid can be scraped off by the scraper to avoid the dirt continuing to stick to the surface of the seamless steel pipe, thereby ensuring the quality of pickling of the seamless steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the overall structure of the utility model without the frame door;

[0022] Figure 3 This is a schematic diagram of the structure of the utility model without the pickling frame and the pickling assembly;

[0023] Figure 4 This is a schematic diagram of the structure of the pickling assembly of the utility model;

[0024] Figure 5 It is a schematic diagram of the second telescopic rod, the second spring and the scraper structure of the utility model.

[0025] In the figure: 1 L-type base, 2 pickling frame, 3 rotating assembly, 4 moving plate, 5 pickling assembly, 6 frame door, 7 slide, 8 control panel, 9 support column, 10 slider, 11 guide table;

[0026] 31 rotating shaft, 32 rotating disk, 33 receiving block, 34 clamping block, 35 penetrating rod, 36 first telescopic rod, 37 first spring, 38 motor, 51 pickling cylinder, 52 connecting pipe, 53 electric valve, 54 connecting frame, 55 rotating nozzle, 56 drain pipe, 57 second telescopic rod, 58 second spring, 59 scraper. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] like Figure 1-5 As shown, the utility model provides a seamless steel pipe surface uniform pickling device, including an L-shaped base 1, a movable plate 4 is provided on one side of the top of the L-shaped base 1, a pickling frame 2 is fixedly provided on the top of the L-shaped base 1, two front and rear distributed slide grooves 7 are opened on one side of the top of the L-shaped base 1, and a slider 10 is slidably provided inside the slide groove 7, and the two sliders 10 are respectively fixed to the front and rear ends of the bottom of the movable plate 4, and the front and rear sides of the bottom of the movable plate 4 are threadedly connected with bolts for fixing the L-shaped base 1 and the movable plate 4, so as to facilitate the movement of the movable plate 4 so as to clamp seamless steel pipes of different lengths. A frame door 6 is hinged on the front side of the pickling frame 2, and support columns 9 are fixedly provided at the four corners of the bottom of the L-shaped base 1 to facilitate the movement of the utility model.

[0029] like Figure 1-3 As shown, a rotating assembly 3 is provided on one side of the L-shaped base 1 and the movable plate 4, which is used to clamp seamless steel pipes of different sizes and facilitate driving the seamless steel pipes to rotate. The rotating assembly 3 includes a rotating shaft 31, and the rotating shaft 31 is connected to one side of the L-shaped base 1 through a bearing. A turntable 32 is fixedly provided at one end of the rotating shaft 31, and receiving blocks 33 are fixedly provided at the top and bottom of one side of the turntable 32, and a first telescopic rod 36 is fixedly provided on the side where the two receiving blocks 33 are close to each other.

[0030] A clamping block 34 is fixedly provided at one end of each of the two first telescopic rods 36, a first spring 37 is sleeved on the first telescopic rod 36, two ends of the first spring 37 are respectively fixedly connected to the clamping block 34 and the receiving block 33, a through rod 35 is fixedly provided at the center of a side of the turntable 32 away from the rotating shaft 31, a motor 38 is fixedly provided at one side of the L-shaped base 1, an output shaft of the motor 38 passes through the L-shaped base 1 and is fixedly connected to the center of one side of the rotating shaft 31, so that the motor 38 drives the rotating shaft 31 to rotate.

[0031] like Figure 1 , 2 As shown in Figure 4, a pickling assembly 5 is provided inside the pickling frame 2 for achieving uniform pickling on the surface of the seamless steel pipe. The pickling assembly 5 includes a pickling cylinder 51, which is fixedly provided on the top of the pickling frame 2. A connecting pipe 52 is fixedly provided at the bottom of the pickling cylinder 51. The bottom end of the connecting pipe 52 passes through the pickling frame 2 and is fixedly provided with an electric valve 53. The electric valve 53 is provided at the top of the pickling frame 2. A control panel 8 for controlling the motor 38 and the electric valve 53 is fixedly provided on the front side of the L-shaped base 1.

[0032] By setting the rotating component 3, first open the frame door 6, take the seamless steel pipe that needs to be pickled, unscrew the bolt on the top of the movable plate 4 according to the length of the seamless steel pipe, manually push the movable plate 4 to drive the two sliders 10 to move horizontally along the slide groove 7 respectively, and then pry the two clamping blocks 34 apart, drive the first telescopic rod 36 and the first spring 37 to squeeze each other, and then insert one end of the seamless steel pipe into the through rod 35 and place it between the two clamping blocks 34. The clamping block 34 is recovered and clamped and fixed to the outer wall of the seamless steel pipe under the elastic force of the first telescopic rod 36 and the first spring 37. Finally, operate the control panel 8 to control the motor 38 to drive the rotating shaft 31 to rotate, thereby driving the seamless steel pipe clamped thereon to rotate, so as to facilitate the subsequent comprehensive pickling of the surface of the seamless steel pipe and improve the pickling effect.

[0033] like Figure 1 , 2 As shown in , 4 and 5, a connecting frame 54 is fixedly provided at the bottom end of the connecting pipe 52, and a plurality of evenly distributed rotating nozzles 55 are fixedly provided at the bottom of the connecting frame 54. Two second telescopic rods 57 are fixedly provided on the rear side wall of the pickling frame 2, and a same scraper 59 is fixedly provided between the front ends of the two second telescopic rods 57, so as to contact the rear side wall of the seamless steel pipe and scrape off the dirt on its surface. A second spring 58 is sleeved on the second telescopic rod 57, and the two ends of the second spring 58 are respectively fixedly connected to the pickling frame 2 and the scraper 59. Two guide platforms 11 distributed front and back are fixedly provided at the bottom end of the interior of the pickling frame 2. Two drainage pipes 56 are fixedly provided at the bottom end of the interior of the pickling frame 2, and the two drainage pipes 56 both pass through the bottom of the L-shaped base 1 and are arranged between the two guide platforms 11, so as to discharge the pickling liquid inside the pickling frame 2.

[0034] By setting the pickling component 5, after the seamless steel pipe is clamped and fixed, the control panel 8 is operated to control the electric valve 53 to open, and the pickling liquid in the pickling cylinder 51 flows into the connecting frame 54 through the connecting pipe 52, and is finally sprayed out evenly through a plurality of rotating nozzles 55 to spray on the surface of the seamless steel pipe to achieve the purpose of pickling. At the same time, the rear side wall of the seamless steel pipe squeezes the scraper 59 and drives the second telescopic rod 57 and the second spring 58 to contract, so that during the rotation of the seamless steel pipe, the dirt pickled by the pickling liquid can be scraped off by the scraper 59 to avoid the dirt continuing to stick to the surface of the seamless steel pipe, thereby ensuring the quality of pickling of the seamless steel pipe.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A device for uniformly pickling the surface of a seamless steel pipe, comprising an L-shaped base (1), characterized in that: A movable plate (4) is provided on one side of the top of the L-shaped base (1), and a pickling frame (2) is fixedly provided on the top of the L-shaped base (1); A rotating assembly (3) is provided on one side of the L-shaped base (1) and on the movable plate (4), which is used to clamp seamless steel pipes of different sizes and facilitate driving the seamless steel pipes to rotate; A pickling assembly (5) is provided inside the pickling frame (2) for uniformly pickling the surface of the seamless steel pipe; The rotating assembly (3) comprises a rotating shaft (31), the rotating shaft (31) being connected to one side of the L-shaped base (1) via a bearing, a rotating disc (32) being fixedly provided at one end of the rotating shaft (31), receiving blocks (33) being fixedly provided at the top and bottom of one side of the rotating disc (32), first telescopic rods (36) being fixedly provided at the adjacent sides of two receiving blocks (33), and clamping blocks (34) being fixedly provided at one end of the two first telescopic rods (36).

2. The equipment for uniform pickling of the surface of seamless steel pipe according to claim 1, characterized in that: A first spring (37) is sleeved on the first telescopic rod (36), and two ends of the first spring (37) are respectively fixedly connected to the clamping block (34) and the receiving block (33). A through rod (35) is fixedly provided at the center of the rotating disk (32) away from the rotating shaft (31).

3. The equipment for uniform pickling of the surface of seamless steel pipe according to claim 2, characterized in that: A motor (38) is fixedly provided on one side of the L-shaped base (1); an output shaft of the motor (38) passes through the L-shaped base (1) and is fixedly connected to the center of one side of the rotating shaft (31).

4. The equipment for uniform pickling of the surface of seamless steel pipe according to claim 3 is characterized in that: The pickling assembly (5) comprises a pickling barrel (51), wherein the pickling barrel (51) is fixedly arranged on the top of the pickling frame (2), and a connecting pipe (52) is fixedly arranged on the bottom of the pickling barrel (51), and the bottom end of the connecting pipe (52) passes through the pickling frame (2) and is fixedly arranged with an electric valve (53), and the electric valve (53) is arranged at the top end inside the pickling frame (2).

5. The equipment for uniform pickling of the surface of seamless steel pipe according to claim 4, characterized in that: A connecting frame (54) is fixedly provided at the bottom end of the connecting pipe (52), a plurality of evenly distributed rotating nozzles (55) are fixedly provided at the bottom of the connecting frame (54), two second telescopic rods (57) are fixedly provided on the rear side wall of the pickling frame (2), and a same scraper (59) is fixedly provided between the front ends of the two second telescopic rods (57).

6. The equipment for uniform pickling of the surface of seamless steel pipe according to claim 5, characterized in that: A second spring (58) is sleeved on the second telescopic rod (57), and two ends of the second spring (58) are respectively fixedly connected to the pickling frame (2) and the scraper (59); two guide platforms (11) distributed front and back are fixedly provided at the bottom end of the interior of the pickling frame (2); two drainage pipes (56) are fixedly provided at the bottom end of the interior of the pickling frame (2), and both drainage pipes (56) pass through the bottom of the L-shaped base (1) and are provided between the two guide platforms (11).

7. The equipment for uniform pickling of the surface of seamless steel pipe according to claim 1, characterized in that: Two slide grooves (7) distributed front and back are provided on one side of the top of the L-shaped base (1), a sliding block (10) is slidably arranged inside the sliding groove (7), and the two sliding blocks (10) are respectively fixed to the front and rear ends of the bottom of the moving plate (4), and the front and rear sides of the bottom of the moving plate (4) are both threadedly connected with bolts for fixing the L-shaped base (1) and the moving plate (4).

8. The equipment for uniform pickling of the surface of seamless steel pipe according to claim 6, characterized in that: A control panel (8) for controlling a motor (38) and an electric valve (53) is fixedly provided on the front side of the L-shaped base (1), a frame door (6) is hingedly connected to the front side of the pickling frame (2), and support columns (9) are fixedly provided at the four corners of the bottom of the L-shaped base (1).

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