Seamless steel tube double-roller roller coating equipment

Abstract

The utility model relates to the technical field of steel pipe roller coating, and discloses seamless steel pipe double-roller roller coating equipment which comprises a base, the roller coating assembly comprises carrier rollers, extrusion rollers, side plates and turnover plates, the side plates are in sliding connection with the base, the turnover plates are rotationally connected with the side plates, the carrier rollers are rotationally connected with the side plates, the extrusion rollers are movably connected with the turnover plates, the turnover plates can rotate around the side plates, the extrusion rollers can slide along the turnover plates, and roller coating is conducted on the outer wall of the steel pipe through the two extrusion rollers; the turnover plate is pushed by the push cylinder to turn over around the side plate, the position of the extrusion roller is preliminarily adjusted, the two carrier rollers which can be close to each other are matched, and the first adjusting lead screw is rotated to push the limiting block to slide in the sliding groove, so that the gap between the extrusion roller and the steel pipe can be adjusted, and then the thickness of the coating can be flexibly adjusted; the position of the extrusion roller can be adjusted in multiple ways, the adjusting mode is simple and convenient, the adjustability is high, and the adjusting range is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe roll coating, in particular to a seamless steel pipe double-roll roll coating device. Background Art

[0002] A roll coater is a device that applies a certain amount of coating material to a planar material through a rotating roller.

[0003] The prior art discloses a seamless steel pipe double-roll roll coating device and its method (publication number: CN118002389A), which relates to the field of devices. The seamless steel pipe double-roll roll coating device and its method include a double-roll coater. A roller shaft unit is arranged at the top of the double-roll coater. A square plate is fixedly connected to the bottom of the roller shaft unit. The square plate is inserted into the inside of the double-roll coater. A threaded rod is arranged at the bottom of the square plate, and the threaded rod is used to move the roller shaft unit.

[0004] In the prior art, the steel plate is mainly limited by the roller shaft, and a coating layer is roll-coated on one side of the steel pipe, that is, roll coating is carried out before the steel pipe is formed. For roll coating the outer wall of the formed pipe with a certain thickness, usually two supporting rollers are used to hold the steel pipe, and then in cooperation with an extrusion roller, the coating material sprayed on the pipe surface is extruded to achieve roll coating. The distance between the supporting rollers and the distance between the extrusion roller and the pipe will affect the production adaptability for pipes with different diameters. The adjustment of the distance between the extrusion roller and the pipe will affect the coating thickness. For the position adjustment and adjustment method of the supporting rollers and the extrusion roller, there is a certain room for optimization.

[0005] Therefore, we propose a seamless steel pipe double-roll roll coating device. Content of the Utility Model

[0006] The utility model mainly solves the technical problem that the position adjustment of the supporting rollers and the extrusion roller is not flexible enough to affect the roll coating thickness, and provides a seamless steel pipe double-roll roll coating device.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme. A seamless steel pipe double-roll roll coating device includes:

[0008] A base, which is a frame structure for support. A spray pipe for filling coating material is arranged at the top of the base;

[0009] A roll coating assembly, which is arranged at the top of the base and has two groups. The roll coating assembly includes a supporting roller, an extrusion roller, a side plate and a turning plate. The side plate is slidably connected to the base, the turning plate is rotatably connected to the side plate, the supporting roller is rotatably connected to the side plate, the extrusion roller is movably connected to the turning plate. The turning plate can rotate around the side plate, the extrusion roller can slide along the turning plate, the two groups of roll coating assemblies can approach each other, the two supporting rollers jointly hold the steel pipe, and the two extrusion rollers abut against the steel pipe and roll coat the steel pipe.

[0010] As a preferred embodiment of the present utility model, the roll coating assembly further includes a pushing cylinder, one side of the side plate is rotatably installed with the pushing cylinder, the output shaft of the pushing cylinder is rotatably connected to one side of the flipping plate, and the pushing cylinder can push the flipping plate to perform a flipping motion.

[0011] As a preferred embodiment of the present utility model, the roll coating assembly further includes a limiting block, a sliding groove and a first adjusting screw rod. The side wall of the flipping plate is provided with the sliding groove, the limiting block slides in the sliding groove, one end of the extrusion roller is rotatably connected to the limiting block, and the first adjusting screw rod is rotatably connected to the flipping plate and threadedly connected to the limiting block.

[0012] As a preferred embodiment of the present utility model, the limiting block and the sliding groove are used in cooperation. A round hole is penetrated through the wall surface of the limiting block, and a wire sleeve is fixedly installed in the round hole. The first adjusting screw rod is threadedly connected to the wire sleeve.

[0013] As a preferred embodiment of the present utility model, the side plate forms an L-shaped plate structure, the horizontal part of the side plate extends towards the end of the supporting roller, and the end of the supporting roller is rotatably connected to the side plate.

[0014] As a preferred embodiment of the present utility model, a sliding block is fixedly installed on one side of the flipping plate, and the flipping plate is slidably connected to the base through the sliding block.

[0015] As a preferred embodiment of the present utility model, a guide rail is fixedly installed on the side wall of the base, a sliding track is provided on the guide rail, the sliding block is adapted to the sliding track and is slidably connected to the sliding track, the end of the supporting roller is rotatably connected to the sliding block, and a second adjusting screw rod is rotatably connected to the side wall of the base. The second adjusting screw rod is threadedly connected to the two sliding blocks on the same side of the base.

[0016] Beneficial effects

[0017] The present utility model provides a seamless steel pipe double-roll roll coating device, which has the following beneficial effects:

[0018] 1. For this seamless steel pipe double-roll roll coating device, by arranging the supporting rollers and the extrusion rollers, the steel pipe is supported by two supporting rollers, and the two extrusion rollers are tangent to the steel pipe. The nozzle of the spray pipe is directly opposite to the gap between the extrusion roller and the steel pipe. The outer wall of the steel pipe is roll-coated by the two extrusion rollers. The flipping plate is pushed by the pushing cylinder to flip around the side plate to initially adjust the position of the extrusion roller. Cooperating with the two supporting rollers that can approach each other, it can adapt to the spraying of steel pipes of different specifications within a certain range. By rotating the first adjusting screw rod to push the limiting block to slide in the sliding groove, the gap between the extrusion roller and the steel pipe can be adjusted, so that the thickness of the coating can be flexibly adjusted. It has multiple adjustments for the position of the extrusion roller, the adjustment method is simple, the adjustability is strong, and the adjustment range is wide.

[0019] 2. The seamless steel pipe double-roller roll coating equipment rotates the second adjusting screw rod to drive the slider to slide along the slide rail. The second adjusting screw rod is a bidirectional screw rod. Therefore, the second adjusting screw rod can synchronously drive two groups of roll coating components to approach each other, realizing the adjustment of the distance between the two groups of supporting rollers and squeezing rollers, and meeting the requirements of limiting steel pipes with different diameters and roll coating. Description of the Drawings

[0020] Figure 1 One of the overall three-dimensional views of the present utility model;

[0021] Figure 2 Another overall three-dimensional view of the present utility model;

[0022] Figure 3 Installation schematic diagram of the supporting roller and squeezing roller of the present utility model;

[0023] Figure 4 Three-dimensional view of a group of roll coating components of the present utility model;

[0024] Figure 5 Installation schematic diagram of the side plate and the base of the present utility model.

[0025] Legend: 10, base; 11, supporting roller; 12, squeezing roller; 13, side plate; 14, turning plate. Detailed Embodiment

[0026] A seamless steel pipe double-roller roll coating equipment, as Figure 1 and Figure 2 shown, includes:

[0027] Base 10, a frame structure for support. A spray pipe for filling paint is provided on the top of the base 10. By connecting the spray pipe with a paint delivery pump, paint is filled onto the outer wall of the steel pipe through the spray pipe;

[0028] As Figure 2 , Figure 3 , Figure 4 and Figure 5As shown in the figure, there are two sets of roll coating assemblies arranged on the top of the base 10. The roll coating assembly includes a supporting roller 11, a squeezing roller 12, a side plate 13 and a flipping plate 14. The side plate 13 is slidably connected to the base 10, the flipping plate 14 is rotatably connected to the side plate 13, the supporting roller 11 is rotatably connected to the side plate 13, the squeezing roller 12 is movably connected to the flipping plate 14. The flipping plate 14 can rotate around the side plate 13, and the squeezing roller 12 can slide along the flipping plate 14. The two sets of roll coating assemblies can approach each other. The two supporting rollers 11 jointly support the steel pipe, and the two squeezing rollers 12 abut against the steel pipe and roll coat the steel pipe. The roll coating assembly further includes a pushing cylinder. One side of the side plate 13 is rotatably installed with a pushing cylinder, and the output shaft of the pushing cylinder is rotatably connected to one side of the flipping plate 14. The pushing cylinder can push the flipping plate 14 to perform a flipping motion. The roll coating assembly further includes a limiting block, a sliding groove and a first adjusting screw rod. A sliding groove is formed on the side wall of the flipping plate 14, and the limiting block slides in the sliding groove. One end of the squeezing roller 12 is rotatably connected to the limiting block. The first adjusting screw rod is rotatably connected to the flipping plate 14 and is threadedly connected to the limiting block. The limiting block and the sliding groove cooperate with each other. A round hole is formed through the wall surface of the limiting block, and a wire sleeve is fixedly installed in the round hole. The first adjusting screw rod is threadedly connected to the wire sleeve. In this solution, by providing the supporting roller 11 and the squeezing roller 12, the two supporting rollers 11 support the steel pipe, and the two squeezing rollers 12 are tangent to the steel pipe. The nozzle of the spray pipe is facing the gap between the squeezing roller 12 and the steel pipe. The outer wall of the steel pipe is roll coated by the two squeezing rollers 12. The pushing cylinder is used to push the flipping plate 14 to flip around the side plate 13 to initially adjust the position of the squeezing roller 12. Cooperating with the two supporting rollers 11 that can approach each other, it can adapt to the spraying of steel pipes with different specifications within a certain range. By rotating the first adjusting screw rod to push the limiting block to slide in the sliding groove, the gap between the squeezing roller 12 and the steel pipe can be adjusted, and thus the thickness of the coating can be flexibly adjusted. It has multiple adjustments to the position of the squeezing roller 12, the adjustment method is simple, the adjustability is strong, and the adjustment range is wide.

[0029] As Figure 2 , Figure 4 and Figure 5The side plate 13 shown forms an L-shaped plate structure. The horizontal part of the side plate 13 extends towards the end of the idler roller 11. The end of the idler roller 11 is rotatably connected to the side plate 13. A slider is fixedly installed on one side of the flipping plate 14. The flipping plate 14 is slidably connected to the base 10 through the slider. A guide rail is fixedly installed on the side wall of the base 10. The guide rail is provided with a slideway. The slider is adapted to the slideway and is slidably connected to the slideway. The end of the idler roller 11 is rotatably connected to the slider. A second adjusting screw rod is rotatably connected to the side wall of the base 10. The second adjusting screw rod is threadedly connected to two sliders on the same side of the base 10. By rotating the second adjusting screw rod, the slider is driven to slide along the slide rail. The second adjusting screw rod is a bidirectional screw rod. Furthermore, the second adjusting screw rod can synchronously drive two roller coating assemblies to approach each other, so as to adjust the distance between two idler rollers 11 and two squeezing rollers 12, meeting the requirements of limiting and roller coating steel pipes with different diameters. Specifically, the second adjusting screw rod can be rotated manually, or a motor can be fixedly installed on the wall surface of the base 10 to drive the screw rod. The output shaft of the motor needs to be fixedly connected to the screw rod. Connecting the motor to the power supply will not be elaborated here.

[0030] The working principle of the present utility model: Rotating the second adjusting screw rod drives the slider to slide along the slide rail. The second adjusting screw rod is a bidirectional screw rod. Furthermore, the second adjusting screw rod can synchronously drive two roller coating assemblies to approach each other, so as to adjust the distance between two idler rollers 11 and two squeezing rollers 12. By pushing the flipping plate 14 to flip around the side plate 13 with a push cylinder, the position of the squeezing roller 12 is preliminarily adjusted. Cooperating with two idler rollers 11 that can approach each other, it can adapt to steel pipes of different specifications for spraying within a certain range. By rotating the first adjusting screw rod to push the limiting block to slide in the chute, the gap between the squeezing roller 12 and the steel pipe can be adjusted, and thus the thickness of the coating can be flexibly adjusted. Two idler rollers 11 support the steel pipe, and two squeezing rollers 12 are tangent to the steel pipe. The nozzle of the spray pipe is facing the gap between the squeezing roller 12 and the steel pipe. The outer wall of the steel pipe is roller coated by two squeezing rollers 12. Multiple idler rollers 11 and multiple squeezing rollers 12 repeatedly squeeze the coating on the outer wall of the steel pipe, ensuring the roller coating effect and uniformity of the coating.

[0031] The above shows and describes the basic principle, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A double-roller coating equipment for seamless steel pipes, characterized in that: include: A base (10) is used for supporting the frame structure, and a nozzle for adding paint is provided on the top of the base (10); A roller coating assembly is arranged on the top of a base (10) and has two groups. The roller coating assembly comprises a supporting roller (11), an extrusion roller (12), a side plate (13) and a flip plate (14). The side plate (13) is slidably connected to the base (10), the flip plate (14) is rotatably connected to the side plate (13), the supporting roller (11) is rotatably connected to the side plate (13), the extrusion roller (12) is movably connected to the flip plate (14), the flip plate (14) can rotate around the side plate (13), the extrusion roller (12) can slide along the flip plate (14), the two groups of roller coating assemblies can approach each other, the two supporting rollers (11) jointly support the steel pipe, and the two extrusion rollers (12) abut against the steel pipe and apply roller coating to the steel pipe.

2. The double-roller coating equipment for seamless steel pipe according to claim 1 is characterized in that: The roller coating assembly also includes a push cylinder, one side of the side plate (13) is rotatably mounted with the push cylinder, the output shaft of the push cylinder is rotatably connected to one side of the flip plate (14), and the push cylinder can push the flip plate (14) to flip.

3. The double-roller coating equipment for seamless steel pipe according to claim 1 is characterized in that: The roller coating assembly also includes a limit block, a slide groove and a first adjusting screw rod. The side wall of the flip plate (14) is provided with a slide groove. The limit block slides in the slide groove. One end of the extrusion roller (12) is rotatably connected to the limit block. The first adjusting screw rod is rotatably connected to the flip plate (14) and is threadedly connected to the limit block.

4. The double-roller coating equipment for seamless steel pipe according to claim 3 is characterized in that: The limit block and the slide groove are used in cooperation with each other. A round hole is formed through the wall of the limit block. A threaded sleeve is fixedly installed in the round hole. The first adjusting screw rod is threadedly connected with the threaded sleeve.

5. The seamless steel pipe double-roller coating equipment according to claim 1 is characterized in that: The side plate (13) forms an L-shaped plate structure, and the horizontal part of the side plate (13) extends toward the end of the roller (11), and the end of the roller (11) is rotatably connected to the side plate (13).

6. The double-roller coating equipment for seamless steel pipe according to claim 1, characterized in that: A sliding block is fixedly mounted on one side of the flip plate (14), and the flip plate (14) is slidably connected to the base (10) via the sliding block.

7. The double-roller coating equipment for seamless steel pipe according to claim 6 is characterized in that: A guide rail is fixedly mounted on the side wall of the base (10), the guide rail is provided with a slideway, the slider is adapted to the slideway, the slider is slidably connected to the slideway, the end of the roller (11) is rotatably connected to the slider, the side wall of the base (10) is rotatably connected to a second adjusting screw, and the second adjusting screw is threadedly connected to two sliders on the same side of the base (10).

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