Grinding device for outer surface of steel pipe

Abstract

The utility model relates to a coping device for the outer surface of a steel pipe, which comprises a frame, and a conveying mechanism and a polishing mechanism which are arranged on the frame, limiting mechanisms are arranged on both sides of the steel pipe in the width direction, each limiting mechanism comprises a clamping roller, a first connecting plate and a first air cylinder, and the first connecting plate is connected with an output shaft of the first air cylinder; the clamping roller is rotationally connected with the first connecting plate, a steel pipe is conveyed to a grinding station of the grinding mechanism through the conveying mechanism, in the conveying process, the steel pipe is limited through the limiting mechanism so that the steel pipe can be aligned with the grinding mechanism, and then the steel pipe is ground through the grinding mechanism; the first connecting plate is pushed through the first air cylinder, the first connecting plate drives the clamping rollers to move, the clamping rollers on the two sides push the steel pipe to the dead center and are tightly attached to the two sides of the steel pipe, the steel pipe is limited through the clamping rollers on the two sides, deviation cannot occur in the steel pipe conveying process, it is guaranteed that the steel pipe can be completely ground, and the grinding effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe repair equipment technical field, concretely relates to a kind of repair device for the outer surface of steel pipe. BACKGROUND

[0002] The repair of the outer surface of steel pipe is an important process in the production of steel pipe, which not only improves the appearance of steel pipe, but also improves its corrosion resistance and durability. In related technology, the steel pipe is transported to the position of the polishing device by the conveying device, and is polished by the polishing device. However, in the process of transporting the steel pipe by the conveying device in related technology, the steel pipe is easily deviated on the conveying device, which affects the polishing effect. SUMMARY

[0003] The utility model aims at designing a kind of repair device for the outer surface of steel pipe to solve the technical problems proposed in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of repair device for the outer surface of steel pipe, including rack and installation in the rack transport mechanism and polishing mechanism, the width direction of steel pipe is equipped with limiting mechanism on both sides, the polishing mechanism is arranged above the transport mechanism, the limiting mechanism includes clamping stick, first connecting plate and first air cylinder, the first air cylinder is fixedly installed on the rack by support, the first connecting plate is connected with the output shaft of the first air cylinder, the clamping stick is rotatably connected with the first connecting plate.

[0005] Further, the number of the limiting mechanism is at least four groups, and the two limiting mechanisms are distributed at both ends of the length direction of the steel pipe.

[0006] Further, the transport mechanism includes conveying belt and first motor, and the first motor is drivingly connected with the conveying belt.

[0007] Further, the conveying belt is provided with conveying roller at both ends in the length direction, and the conveying roller is rotatably connected with the rack.

[0008] Further, the polishing mechanism includes second motor, grinding wheel, moving plate and second air cylinder, the second air cylinder is fixedly connected on the support by second connecting plate, the moving plate is connected with the output shaft of the second air cylinder, the second motor is fixedly installed on the moving plate, and the grinding wheel is connected with the output shaft of the second motor.

[0009] Compared with the prior art, the utility model discloses the beneficial effect has: the utility model discloses the transport mechanism to the polishing mechanism's polishing station with steel pipe transport, in the process of transportation, through the limiting mechanism to the steel pipe position, make it with the polishing mechanism alignment, again through the polishing mechanism to the steel pipe polishing operation, wherein, through the first connecting plate of first air cylinder, first connecting plate drives the clamping pole to move, and the clamping pole of both sides pushes the steel pipe to the positive center and tightly to the both sides of steel pipe, make the clamping pole of both sides to the steel pipe position, and the steel pipe conveying process will not deviate, guarantee steel pipe can polish complete, improved polishing effect. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is whole structure schematic diagram of the utility model;

[0011] Figure 2 It is Figure 1 Enlarged structure schematic diagram of A place in;

[0012] The names of the components marked in the figure are as follows: 1, frame;2, transport mechanism;21, conveying belt;22, first motor;3, polishing mechanism;31, second motor;32, grinding wheel;33, moving plate;34, second cylinder;35, second connecting plate;4, limiting mechanism;41, clamping pole;42, first connecting plate;43, first cylinder;44, support;5, conveying roller;6, steel pipe. DETAILED DESCRIPTION

[0013] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.

[0014] Embodiment: please refer to Figures 1-2The utility model provides a kind of grinding device for the outer surface of steel pipe, including frame 1 and transport mechanism 2 and polishing mechanism 3 installed on frame 1, the width direction both sides of steel pipe 6 are equipped with limiting mechanism 4, polishing mechanism 3 is arranged above transport mechanism 2, transport mechanism 2 is used to transport steel pipe 6, polishing mechanism 3 is used to polish the upper surface of steel pipe 6, limiting mechanism 4 is used to push steel pipe 6 to the positive center of transport mechanism, so that steel pipe 6 is aligned with polishing mechanism 3, specifically, limiting mechanism 4 includes clamping pole 41, first connecting plate 42 and first cylinder 43, first cylinder 43 is fixedly installed on frame 1 by support 44, first connecting plate 42 is connected with the output shaft of first cylinder 43, clamping pole 41 is rotationally connected with first connecting plate 42, to improve its stability, the length direction both ends of first connecting plate 42 are equipped with clamping pole 41, first connecting plate 42 is moved by first cylinder 43, clamping pole 41 moves along with first connecting plate 42, the clamping pole 41 of both sides of steel pipe 6 pushes steel pipe 6 to the positive center of transport mechanism 2, when clamping pole 41 is tightly attached to the side wall of steel pipe 6, steel pipe 6 is aligned with the polishing station of polishing mechanism 3, so that steel pipe 6 can be polished complete;Sensor is installed at the input end of frame 1, sensor is electrically connected with first cylinder 43, for detecting whether steel pipe 6 moves to the position of clamping pole 41;Because the clamping pole 41 of both sides is tightly attached to the side wall of steel pipe 6, during the movement of steel pipe 6, under the action of friction, clamping pole 41 can rotate on first connecting plate 42, but is always tightly attached to the side wall of steel pipe 6, and does not move, so during the movement of steel pipe 6, it does not deviate from the polishing station of polishing mechanism 3;Wherein, the stroke of first cylinder 43 can be adjusted according to the width of steel pipe 6, for steel pipe 6 of different width, first cylinder 43 can push steel pipe 6 to the positive center of transport mechanism.

[0015] In an alternative embodiment, the number of limiting mechanisms 4 is at least four groups, and the four groups of limiting mechanisms 4 are distributed on both ends of the length direction of the steel pipe 6;The length of the processed steel pipe 6 is generally long, and the two ends of the steel pipe 6 are limited by the four groups of limiting mechanisms 4 to ensure that it does not deviate during the entire polishing process.

[0016] In an alternative embodiment, the transport mechanism 2 includes a conveyor belt 21 and a first motor 22, the first motor 22 is fixedly installed on the frame 1, the first motor 22 is drivingly connected with the conveyor belt 21, the conveyor belt 21 is driven by the first motor 22 to transport the steel pipe 6 to the polishing station of the polishing mechanism 3;Wherein, the conveyor belt 21 is prior art, and will not be described in detail here.

[0017] In an alternative embodiment, the length direction of the conveying belt 21 is provided with conveying rollers 5 at both ends, the conveying rollers 5 are rotationally connected with the frame 1, the conveying rollers 5 are at the same height as the conveying belt 21, the conveying rollers 5 and the conveying belt 21 can simultaneously contact the steel pipe 6, the steel pipe 6 is placed on the conveying roller 5 at the input end, and then the steel pipe 6 is gradually pushed onto the conveying belt 21 along the conveying direction of the conveying belt 21, in the process of pushing the steel pipe 6, the conveying roller 5 is rotated under the action of friction, which can reduce the abrasion of the steel pipe 6.

[0018] In an alternative embodiment, the grinding mechanism 3 comprises a second motor 31, a grinding wheel 32, a moving plate 33 and a second cylinder 34, the second cylinder 34 is fixedly connected to the support 44 through a second connecting plate 35, the moving plate 33 is connected with the output shaft of the second cylinder 34, the second motor 31 is fixedly installed on the moving plate 33, the grinding wheel 32 is connected with the output shaft of the second motor 31, the moving plate 33 is driven to ascend and descend by the second cylinder 34, the second motor 31 and the grinding wheel 32 ascend and descend with the moving plate 33, the grinding wheel 32 is in close contact with the steel pipe 6 when it descends, and the grinding wheel 32 is driven to rotate by the second motor 31, so that the grinding wheel 32 grinds the steel pipe 6.

[0019] The working principle of the embodiment is as follows: in use, the first motor 22 and the second motor 31 are started respectively, the first motor 22 drives the conveying belt 21 to transmit, the second motor 31 drives the grinding wheel 32 to rotate, the steel pipe 6 is placed on the conveying roller 5 at the input end, wherein the end face of the steel pipe 6 to be ground faces upward, the steel pipe 6 is gradually pushed along the conveying direction of the conveying belt 21, after the steel pipe 6 is pushed onto the conveying belt 21, it moves with the conveying belt 21, when the steel pipe 6 moves to the position of the clamping rod 41, the sensor sends a signal to the first cylinder 43, so that the first cylinder 43 starts to push the first connecting plate 42 to move, the clamping rod 41 moves with the first connecting plate 42, the two clamping rods 41 push the steel pipe 6 to the center of the conveying belt 21, so that the steel pipe 6 is aligned with the grinding wheel 32; the steel pipe 6 continues to move forward with the conveying belt 21, when the steel pipe 6 moves to the grinding position, the second cylinder 34 drives the moving plate 33 to descend, the grinding wheel 32 descends with the moving plate 33 and presses the top end of the steel pipe 6, and the top end face of the steel pipe 6 is ground by the rotation of the grinding wheel 32; wherein the two clamping rods 41 are in close contact with the two sides of the steel pipe 6, which limits the steel pipe 6, so that the steel pipe 6 does not deviate during conveying, ensures that the steel pipe 6 can be ground completely, and improves the grinding effect.

[0020] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any person skilled in the art can make minor changes or modifications to the disclosed technical content, or make equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any modification, equivalent change or modification of the above embodiments, which does not depart from the technical solution of the present application, is still within the scope of the technical solution of the present application.

Claims

1. A grinding device for the outer surface of a steel pipe, characterized in that: The invention comprises a frame (1), a transport mechanism (2) and a grinding mechanism (3) mounted on the frame (1); a limiting mechanism (4) is provided on both sides of the width direction of the steel pipe (6); the grinding mechanism (3) is arranged above the transport mechanism (2); the limiting mechanism (4) comprises a clamping rod (41), a first connecting plate (42) and a first cylinder (43); the first cylinder (43) is fixedly mounted on the frame (1) through a bracket (44); the first connecting plate (42) is connected to the output shaft of the first cylinder (43); and the clamping rod (41) is rotatably connected to the first connecting plate (42).

2. The device for grinding the outer surface of a steel pipe according to claim 1, characterized in that: The number of the limiting mechanisms (4) is at least four groups, and the four groups of limiting mechanisms (4) are distributed in pairs at both ends of the length direction of the steel pipe (6).

3. The device for grinding the outer surface of a steel pipe according to claim 1, characterized in that: The transport mechanism (2) comprises a conveyor belt (21) and a first motor (22), wherein the first motor (22) is in transmission connection with the conveyor belt (21).

4. The device for grinding the outer surface of a steel pipe according to claim 3, characterized in that: Conveying rollers (5) are provided at both ends of the conveying belt (21) in the length direction, and the conveying rollers (5) are rotatably connected to the frame (1).

5. The device for grinding the outer surface of a steel pipe according to claim 2, characterized in that: The grinding mechanism (3) comprises a second motor (31), a grinding wheel (32), a movable plate (33) and a second cylinder (34); the second cylinder (34) is fixedly connected to the bracket (44) via a second connecting plate (35); the movable plate (33) is connected to the output shaft of the second cylinder (34); the second motor (31) is fixedly mounted on the movable plate (33); and the grinding wheel (32) is connected to the output shaft of the second motor (31).

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