Steel pipe polishing and derusting device

Abstract

The utility model is suitable for the field of steel pipe rust removal, and provides a steel pipe polishing and rust removal device which comprises a handle, a rust removal plate and an elastic connecting assembly. Two first rotating shafts are rotationally connected to the handle, semicircular mounting plates are fixed to the two first rotating shafts correspondingly, arc-shaped sliding grooves are formed in the two semicircular mounting plates correspondingly, and first mounting sliding blocks are slidably connected into the two arc-shaped sliding grooves correspondingly; the two first mounting sliding blocks are connected with rust removal plates through two elastic connecting assemblies correspondingly, and the two rust removal plates are arranged in a staggered mode. A second driving assembly drives a first mounting sliding block to move in an arc-shaped sliding groove in a reciprocating mode, the first mounting sliding block drives rust removal plates to move in a reciprocating mode, the rust removal plates grind and remove rust on the side wall of the steel pipe, the two rust removal plates are arranged in a staggered mode, then the two moving rust removal plates do not interfere with each other, and rust removal can be conducted on the steel pipe by moving a handle. And the device is small in structure, convenient to carry and convenient to use.

Description

Technical Field

[0001] The utility model belongs to the field of steel pipe rust removal, and particularly relates to a steel pipe grinding and rust removal device. Background Art

[0002] Steel pipes with hollow cross-sections, whose lengths are much greater than their diameters or circumferences. They are classified into circular, square, rectangular, and special-shaped steel pipes according to the cross-sectional shape; carbon structural steel pipes, low-alloy structural steel pipes, alloy steel pipes, and composite steel pipes according to the material; steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industries, mechanical manufacturing, geological drilling, and high-pressure equipment according to the use; seamless steel pipes and welded steel pipes according to the production process, among which seamless steel pipes are further divided into hot-rolled and cold-rolled types, and welded steel pipes are further divided into straight-seam welded steel pipes and spiral-seam welded steel pipes.

[0003] After long-term storage or use, rust spots will appear on the surface of steel pipes, and a grinding device needs to be used for rust removal. There is a stainless steel pipe grinding device with a publication number of CN219945497U. When in use, the steel pipe needs to be fixed, resulting in a large device that is not easy to carry, so it is not convenient to use. Content of the Utility Model

[0004] The purpose of the embodiment of the utility model is to provide a steel pipe grinding and rust removal device, aiming to solve the problem that the existing steel pipe grinding and rust removal device is large in volume and not easy to carry.

[0005] The utility model is realized as follows. A steel pipe grinding and rust removal device includes a handle, and also includes: a rust removal plate and an elastic connection assembly; two first rotating shafts are rotatably connected to the handle, semi-circular mounting plates are fixed on both of the two first rotating shafts, arc-shaped chutes are arranged on both of the two semi-circular mounting plates, and first mounting sliders are slidably connected in both of the arc-shaped chutes; the two first mounting sliders are respectively connected to the rust removal plate through two elastic connection assemblies, and the two rust removal plates are arranged in a staggered manner; a first driving assembly and a second driving assembly are also included. The first driving assembly is arranged on the handle and is used to drive the two first rotating shafts to rotate towards or away from each other. The second driving assembly is arranged on the first mounting slider and is used to drive the first mounting slider to reciprocate in the arc-shaped chute.

[0006] A further technical solution is that the driving assembly includes gears fixed on both of the two first rotating shafts, the two gears are meshed, and a first motor is fixed on the handle, and the rotating end of the first motor is connected to one of the first rotating shafts.

[0007] Further technical solution: The elastic connection component includes sliding grooves provided in both of the two first mounting sliders. Second mounting sliders are slidably connected in both of the two sliding grooves. Two rust removal plates are respectively mounted on the two second mounting sliders. Springs are provided in both of the two sliding grooves.

[0008] Further technical solution: Second driving components are provided on both of the two first mounting sliders.

[0009] Further technical solution: The second driving component includes a mounting plate fixed on a semi-circular mounting plate. One end of the mounting plate is rotatably connected to a rotating disk. A second rotating shaft is rotatably connected to the rotating disk. A connecting rod is rotatably connected to the second rotating shaft. The end of the connecting rod is rotatably connected to the first mounting slider. The other end of the mounting plate is provided with a second motor. The rotating end of the second motor is connected to the second rotating shaft.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] A steel pipe grinding and rust removal device provided by the present utility model. When the two semi-circular mounting plates are in an open state, a steel pipe is placed between the two semi-circular mounting plates, that is, the steel pipe is located between the two rust removal plates. The first driving component drives the two first rotating shafts to rotate towards each other, and then the two first rotating shafts drive the two semi-circular mounting plates to close. The two semi-circular mounting plates drive two groups of first mounting sliders and rust removal plates to close. The elastic connection component pushes the rust removal plates and fits them on the steel pipe. The second driving component drives the first mounting slider to reciprocate in the arc-shaped sliding groove. The first mounting slider drives the rust removal plate to reciprocate. The rust removal plate grinds and removes rust from the side wall of the steel pipe. The two rust removal plates are arranged in a staggered manner, so that the two moving rust removal plates will not interfere with each other. By moving the handle, the rust removal of the steel pipe can be carried out. Moreover, the structure of this device is small and portable, and thus it is convenient to use. Description of the Drawings

[0012] Figure 1 It is a schematic structural diagram of a steel pipe grinding and rust removal device provided by the present utility model;

[0013] Figure 2 It is a schematic rear view structural diagram of a steel pipe grinding and rust removal device provided by the present utility model;

[0014] Figure 3 Provided by the present utility model Figure 1 Schematic structural diagram from the front view angle;

[0015] Figure 4 Provided by the present utility model Figure 1 Internal structural schematic diagram of the first mounting slider in it.

[0016] In the attached drawings: handle 1, first rotating shaft 2, gear 3, semi-circular mounting plate 4, first motor 5, arc-shaped sliding groove 6, first mounting slider 7, sliding groove 8, second mounting slider 9, rust-removing plate 10, connecting rod 11, mounting plate 12, rotating disk 13, second motor 14, second rotating shaft 15, spring 16. Detailed implementation mode

[0017] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0018] The following describes in detail the specific implementation of the present utility model with reference to specific embodiments.

[0019] As Figures 1 - 4 shown, a steel pipe grinding and rust-removing device provided by an embodiment of the present utility model includes a handle 1, and further includes: a rust-removing plate 10 and an elastic connection assembly; two first rotating shafts 2 are rotatably connected to the handle 1, semi-circular mounting plates 4 are fixed on both of the two first rotating shafts 2, arc-shaped sliding grooves 6 are provided on both of the two semi-circular mounting plates 4, and first mounting sliders 7 are slidably connected in both of the two arc-shaped sliding grooves 6; the two first mounting sliders 7 are respectively connected to a rust-removing plate 10 through two elastic connection assemblies, and the two rust-removing plates 10 are arranged in a staggered manner; a first driving assembly and a second driving assembly are further included, the first driving assembly is arranged on the handle 1, and the first driving assembly is used to drive the two first rotating shafts 2 to rotate towards or away from each other, the second driving assembly is arranged on the first mounting slider 7, and the second driving assembly is used to drive the first mounting slider 7 to reciprocate in the arc-shaped sliding groove 6.

[0020] In the embodiment of the present utility model, during use, the two semi-circular mounting plates 4 are in an open state, the steel pipe is placed between the two semi-circular mounting plates 4, that is, the steel pipe is located between the two rust-removing plates 10, the first driving assembly drives the two first rotating shafts 2 to rotate towards each other, and then the two first rotating shafts 2 drive the two semi-circular mounting plates 4 to close, the two semi-circular mounting plates 4 drive two groups of first mounting sliders 7 and rust-removing plates 10 to close, the elastic connection assembly pushes the rust-removing plate 10 and makes it fit on the steel pipe, the second driving assembly drives the first mounting slider 7 to reciprocate in the arc-shaped sliding groove 6, the first mounting slider 7 drives the rust-removing plate 10 to reciprocate, the rust-removing plate 10 grinds and removes rust from the side wall of the steel pipe, the two rust-removing plates 10 are arranged in a staggered manner, so that the two moving rust-removing plates 10 will not interfere with each other, moving the handle 1 can rust-remove the steel pipe, and the structure of this device is small and portable, thus facilitating use.

[0021] As Figures 1 - 4As shown, as a preferred embodiment of the present utility model, the driving assembly includes gears 3 fixed on both of the two first rotating shafts 2. The two gears 3 are meshed with each other. A first motor 5 is fixed on the handle 1, and the rotating end of the first motor 5 is connected to one of the first rotating shafts 2.

[0022] In the embodiment of the present utility model, the first motor 5 drives one of the first rotating shafts 2 to rotate. This first rotating shaft 2 drives one of the gears 3 to rotate. This gear 3 drives the other gear 3 to rotate in the reverse direction. The other gear 3 drives the other first rotating shaft 2 to rotate in the reverse direction, so as to drive the two semi-circular mounting plates 4 to be buckled or opened by the two first rotating shafts 2.

[0023] As Figures 1 - 4 shown, as a preferred embodiment of the present utility model, the elastic connection assembly includes sliding grooves 8 provided in both of the two first mounting sliders 7. Second mounting sliders 9 are slidably connected in the two sliding grooves 8 respectively. Two rust-removing plates 10 are respectively mounted on the two second mounting sliders 9. Springs 16 are provided in the two sliding grooves 8.

[0024] In the embodiment of the present utility model, the spring 16 pushes the second mounting slider 9, and the second mounting slider 9 drives the rust-removing plate 10 to elastically fit on the steel pipe.

[0025] As Figures 1 - 4 shown, as a preferred embodiment of the present utility model, second driving assemblies are provided on both of the two first mounting sliders 7. The second driving assembly includes a mounting plate 12 fixed on the semi-circular mounting plate 4. One end of the mounting plate 12 is rotatably connected to a rotating disc 13. A second rotating shaft 15 is rotatably connected to the rotating disc 13. A connecting rod 11 is rotatably connected to the second rotating shaft 15. The end of the connecting rod 11 is rotatably connected to the first mounting slider 7. The other end of the mounting plate 12 is provided with a second motor 14, and the rotating end of the second motor 14 is connected to the second rotating shaft 15.

[0026] In the embodiment of the present utility model, the second motor 14 drives the rotating disc 13 to rotate. The rotating disc 13 drives the second rotating shaft 15 to revolve. The revolving second rotating shaft 15 drives the first mounting slider 7 to reciprocate through the connecting rod 11.

[0027] In the above-mentioned embodiment of the present utility model, a steel pipe grinding and rust removal device is provided. When in use, the two semi-circular mounting plates 4 are in an open state. The steel pipe is placed between the two semi-circular mounting plates 4, that is, the steel pipe is located between the two rust removal plates 10. The first motor 5 drives one of the first rotating shafts 2 to rotate. This first rotating shaft 2 drives one of the gears 3 to rotate. This gear 3 drives the other gear 3 to rotate in the reverse direction. The other gear 3 drives the other first rotating shaft 2 to rotate in the reverse direction. Thus, the two first rotating shafts 2 drive the two semi-circular mounting plates 4 to close. The two semi-circular mounting plates 4 drive the two groups of first mounting sliders 7 and the rust removal plates 10 to close. The spring 16 pushes the second mounting slider 9. The second mounting slider 9 drives the rust removal plate 10 to elastically fit on the steel pipe. The second motor 14 drives the rotating disk 13 to rotate. The rotating disk 13 drives the second rotating shaft 15 to revolve. The revolving second rotating shaft 15 drives the first mounting slider 7 to reciprocate in the arc-shaped chute 6 through the connecting rod 11. The first mounting slider 7 drives the rust removal plate 10 to reciprocate. The rust removal plate 10 grinds and removes rust from the side wall of the steel pipe. The two rust removal plates 10 are arranged in a staggered manner. Thus, the two moving rust removal plates 10 will not interfere with each other. By moving the handle 1, the rust removal of the steel pipe can be carried out. And the structure of this device is small and portable, thus being convenient to use.

[0028] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A steel pipe grinding and rust removal device, comprising a handle, characterized in that: Also includes: Rust removal plate and elastic connection assembly; The handle is rotatably connected to two first rotating shafts, and semicircular mounting plates are fixed to the two first rotating shafts. The two semicircular mounting plates are provided with arc-shaped sliding grooves, and the first mounting sliders are slidably connected in the two arc-shaped sliding grooves; The two first installation slide blocks are respectively connected to a rust removal plate through two elastic connection components, and the two rust removal plates are staggered; It also includes a first drive component and a second drive component, wherein the first drive component is arranged on the handle, and the first drive component is used to drive the two first rotating shafts to rotate towards or in the opposite direction, and the second drive component is arranged on the first mounting slide block, and the second drive component is used to drive the first mounting slide block to move back and forth in the arc-shaped slide groove.

2. A steel pipe grinding and rust removal device according to claim 1, characterized in that: The driving assembly includes gears fixed on two first rotating shafts, the two gears are meshed, a first motor is fixed on the handle, and a rotating end of the first motor is connected to one of the first rotating shafts.

3. A steel pipe grinding and rust removal device according to claim 1, characterized in that: The elastic connection component includes sliding grooves arranged in two first mounting slide blocks, the two sliding grooves are slidably connected with second mounting slide blocks, the two rust removal plates are respectively installed on the two second mounting slide blocks, and springs are arranged in the two sliding grooves.

4. A steel pipe grinding and rust removal device according to claim 1, characterized in that: The two first mounting slide blocks are each provided with a second driving assembly.

5. A steel pipe grinding and rust removal device according to claim 4, characterized in that: The second driving assembly includes a mounting plate fixed on a semicircular mounting plate, one end of the mounting plate is rotatably connected to a rotating disk, and the rotating disk is rotatably connected to a second rotating shaft.

6. A steel pipe grinding and rust removal device according to claim 5, characterized in that: A connecting rod is rotatably connected to the second rotating shaft, and the end of the connecting rod is rotatably connected to the first mounting slider. A second motor is installed at the other end of the mounting plate, and the rotating end of the second motor is connected to the second rotating shaft.

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