Device for improving grinding quality and efficiency of outer surface of steel pipe

Abstract

The utility model discloses a device for improving the grinding quality and efficiency of the outer surface of a steel pipe, and relates to the technical field of steel pipe production, the device comprises a rotating device, a hydraulic mechanism, a grinding device and a sliding rail, the rotating device is used for supporting the steel pipe conveyed to the center position of a parallel roller way by a rack and driving the steel pipe to rotate; the movable end of the hydraulic mechanism is used for being fixedly connected with the rotating device to drive the rotating device to ascend or descend. The grinding device is used for grinding the steel pipe on the rotating device; the length direction of the sliding rail is the same as that of the steel pipe, the polishing device can slide in the length direction of the sliding rail, the structure is simple, use is convenient, and the working efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe production, in particular to a device for improving the grinding quality and efficiency of the outer surface of a steel pipe. Background Art

[0002] In the production of hot-rolled seamless steel pipes, due to multiple factors such as process and equipment, there are internal and external defects such as convexity, inward folds, pits, folds, scratches, and hairline on the inner and outer surfaces of the steel pipes. In the subsequent finishing line production process, the defective steel pipes will be removed through the flaw detection process. In order to reduce production costs, the usual practice is to grind the steel pipes removed by the flaw detection process to save them. Usually, companies use manual handheld angle grinders to grind steel pipes, and the pass rate is very low. The work is dangerous and the work intensity is high, which increases the manufacturing cost. Utility Model Content

[0003] The utility model aims to provide a device for improving the quality and efficiency of grinding the outer surface of a steel pipe, so as to solve the problems existing in the above-mentioned prior art, with a simple structure, convenient use and effective improvement of work efficiency.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a device for improving the quality and efficiency of grinding the outer surface of a steel pipe, comprising: a rotating device, a hydraulic mechanism, a grinding device and a slide rail, wherein the rotating device is used to lift the steel pipe transported to the center position of a parallel roller by a stand and drive the steel pipe to rotate; the movable end of the hydraulic mechanism is used to be fixedly connected to the rotating device to drive the rotating device to rise or fall; the grinding device is used to grind the steel pipe on the rotating device; the slide rail has the same length direction as the steel pipe, and the grinding device can slide on the length square of the slide rail.

[0006] Preferably, the rotating device includes multiple groups of wheel pairs, a support frame, multiple cross beams, a wheel support frame and a wheel drive motor, each of the cross beams is fixedly connected to the support frame, a movable end of the hydraulic mechanism is fixedly connected to the cross beam, each group of wheel pairs is rotatably connected to the top of the wheel support frame, the bottom of the wheel support frame is fixedly connected to the support frame, and the wheel drive motor is used to drive the wheel pairs to rotate.

[0007] Preferably, the grinding device comprises a driving motor, a grinding head, a first pulley and a belt, wherein the first pulley is fixedly connected to the grinding head of the driving motor, and the first pulley is transmission-connected to the grinding head via the belt.

[0008] Preferably, it further includes a support frame and a plurality of pulleys. The bottom of the support frame is slidably connected to the slide rail through each pulley, and the driving motor is fixedly connected to the support frame.

[0009] Preferably, it further includes a second pulley and a rotating shaft. The rotating shaft is rotatably connected to the support frame. One end of the rotating shaft is fixedly connected to the pulley, and the other end is detachably and fixedly connected to the grinding head. The first pulley and the second pulley are connected by the belt in a transmission manner.

[0010] Preferably, it further includes a protective cover. The protective cover is fixedly connected to the support frame and is arranged on the side of the grinding head away from the steel pipe.

[0011] The present utility model has achieved the following technical effects compared with the prior art:

[0012] The present utility model provides a device for improving the grinding quality and efficiency of the outer surface of a steel pipe. When the steel pipe is transported from the bench to the central position of the parallel roller path, the rotating device is lifted by the hydraulic mechanism, so that the rotating device holds up the steel pipe and drives the steel pipe to rotate. The steel pipe is ground by the grinding device, and the grinding device can slide on the slide rail, so as to grind the entire steel pipe. The structure is simple and convenient to use, effectively improving the working efficiency. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0014] Figure 1 It is a schematic structural diagram of the device for improving the grinding quality and efficiency of the outer surface of a steel pipe provided by the present utility model;

[0015] Figure 2 It is a schematic structural diagram of the rotating device and the hydraulic mechanism in the device for improving the grinding quality and efficiency of the outer surface of a steel pipe provided by the present utility model;

[0016] Figure 3 It is a schematic structural diagram of the grinding device in the device for improving the grinding quality and efficiency of the outer surface of a steel pipe provided by the present utility model;

[0017] In the figure: 1. Hydraulic mechanism; 2. Slide rail; 3. Opposite wheel; 4. Support frame; 5. Cross beam; 6. Wheel support frame; 7. Opposite wheel drive motor; 8. Drive motor; 9. Grinding head; 10. First pulley; 11. Belt; 12. Support frame; 13. Pulley; 14. Second pulley; 15. Rotating shaft; 16. Protective cover; 17. Steel pipe; 18. Parallel roller path. Detailed implementation mode

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] The purpose of the present invention is to provide a device for improving the grinding quality and efficiency of the outer surface of a steel pipe, so as to solve the problems existing in the above-mentioned prior art. The structure is simple, easy to use, and effectively improves the working efficiency.

[0020] In order to make the above-mentioned objects, features, and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation modes.

[0021] The present invention provides a device for improving the grinding quality and efficiency of the outer surface of a steel pipe, as Figures 1 to 3 shown, including: a rotating device, a hydraulic mechanism 1, a grinding device, and a slide rail 2. The rotating device is used to lift and drive the rotation of the steel pipe 17 transported by the gantry to the center position of the parallel roller path 18; the movable end of the hydraulic mechanism 1 is used to be fixedly connected to the rotating device to drive the rotating device to rise or fall; the grinding device is used to grind the steel pipe 17 on the rotating device; the slide rail 2 is the same as the length direction of the steel pipe 17, and the grinding device can slide in the length direction of the slide rail 2. When the steel pipe 17 is transported from the gantry to the center position of the parallel roller path 18, the rotating device is driven to rise by the hydraulic mechanism 1, so that the rotating device lifts the steel pipe 17 and drives the rotation of the steel pipe 17, and the steel pipe 17 is ground by the grinding device, and the grinding device can slide on the slide rail 2, so as to grind the entire steel pipe 17. The structure is simple, easy to use, and effectively improves the working efficiency.

[0022] In a preferred embodiment, the rotating device includes multiple groups of wheel pairs 3, a support frame 4, multiple cross beams 5, a wheel support frame 6 and a wheel drive motor 7, each cross beam 5 is fixedly connected to the support frame 4, a movable end of a hydraulic mechanism 1 is fixedly connected to the cross beam 5, each group of wheel pairs 3 is rotatably connected to the top of the wheel support frame 6, the bottom of the wheel support frame 6 is fixedly connected to the support frame 4, and the wheel drive motor 7 is used to drive the wheel pairs 3 to rotate. The structure is simple, and a plurality of wheel pairs 3 are arranged next to the parallel roller conveyor 18. One of the wheels of each wheel pair is equipped with a wheel drive motor 7. Each wheel pair 3 and the wheel drive motor 7 are fixed on the support frame 4, and the cross beam 5 is driven by the hydraulic mechanism 1, thereby driving the support frame 4 to rise and fall.

[0023] In a preferred embodiment, the grinding device includes a driving motor 8, a grinding head 9, a first pulley 10 and a belt 11. The first pulley 10 is fixedly connected to the grinding head 9 of the driving motor 8, and the first pulley 10 is transmission-connected to the grinding head 9 via the belt 11.

[0024] In a preferred embodiment, the device for improving the quality and efficiency of grinding the outer surface of a steel pipe also includes a support frame 12 and a plurality of pulleys 13. The bottom of the support frame 12 is slidably connected to the slide rail 2 through each pulley 13. The drive motor 8 is fixedly connected to the support frame 12. The support frame 12 completes the movement through the cooperation of the pulley 13 and the slide rail 2, so that the grinding mechanism slides on the slideway, and the grinding of single-point defects of the steel pipe 17 and the grinding of the entire outer surface can be achieved.

[0025] In a preferred embodiment, the device for improving the quality and efficiency of grinding the outer surface of the steel pipe also includes a second pulley 14 and a rotating shaft 15, the rotating shaft 15 is rotatably connected to the support frame 12, one end of the rotating shaft 15 is fixedly connected to the belt wheel 11, and the other end is detachably fixedly connected to the grinding head 9, and the first pulley 10 and the second pulley 14 are connected through the belt 11 transmission.

[0026] In a preferred embodiment, the device for improving the quality and efficiency of grinding the outer surface of a steel pipe also includes a protective cover 16, which is fixedly connected to the support frame 12 and is arranged on the side of the grinding head 9 away from the steel pipe 17. The protective cover 16 prevents the grinding disc from injuring people, and a safety baffle is installed on the side of the protective cover 16 to prevent grinding iron chips from flying out and injuring people.

[0027] The device for improving the grinding quality and efficiency of the outer surface of a steel pipe provided in the present application is easy to operate during use, and the grinding quality and efficiency are greatly improved, and can achieve excellent quality improvement function and efficiency improvement purposes.

[0028] The device for improving the quality and efficiency of grinding the outer surface of a steel pipe provided in the present application achieves the purposes of good safety protection effect, strong practical operability, and low manufacturing cost.

[0029] The device provided by this application for improving the grinding quality and efficiency of the outer surface of steel pipes can be used in all steel pipe production enterprises, and has extremely strong industry promotion. It can bring huge economic and social benefits to the steel pipe production industry in terms of quality and efficiency.

[0030] The device provided by this application for improving the grinding quality and efficiency of the outer surface of steel pipes can greatly improve the qualified rate of grinding the defects on the outer surface of steel pipes, creating economic benefits of more than 1.9 million yuan per year.

[0031] In this utility model, specific examples are used to elaborate on the principle and implementation mode of this utility model. The description of the above embodiments is only used to help understand the method and its core idea of this utility model; at the same time, for those of ordinary skill in the art, according to the idea of this utility model, there will be changes in the specific implementation mode and application scope. In summary, the content of this specification should not be construed as a limitation to this utility model.

Claims

1. A device for improving the quality and efficiency of grinding the outer surface of a steel pipe, characterized in that: include: A rotating device, the rotating device is used to lift the steel pipe transported to the center of the parallel roller conveyor by the platform and drive the steel pipe to rotate; A hydraulic mechanism, wherein the movable end of the hydraulic mechanism is used to be fixedly connected to the rotating device to drive the rotating device to rise or fall; a grinding device, the grinding device being used to grind the steel pipe on the rotating device; and A slide rail, wherein the slide rail and the steel pipe have the same length direction, and the grinding device can slide on the length square of the slide rail.

2. The device for improving the quality and efficiency of grinding the outer surface of a steel pipe according to claim 1, characterized in that: The rotating device includes multiple groups of wheel pairs, a support frame, multiple cross beams, a wheel support frame and a wheel drive motor, each of the cross beams is fixedly connected to the support frame, a movable end of the hydraulic mechanism is fixedly connected to the cross beam, each group of wheel pairs is rotatably connected to the top of the wheel support frame, the bottom of the wheel support frame is fixedly connected to the support frame, and the wheel drive motor is used to drive the wheel pairs to rotate.

3. The device for improving the quality and efficiency of grinding the outer surface of a steel pipe according to claim 2, characterized in that: The grinding device comprises a driving motor, a grinding head, a first pulley and a belt. The first pulley is fixedly connected to the grinding head of the driving motor, and the first pulley is drivingly connected to the grinding head via the belt.

4. The device for improving the quality and efficiency of grinding the outer surface of a steel pipe according to claim 3, characterized in that: It also includes a support frame and a plurality of pulleys. The bottom of the support frame is slidably connected to the slide rail through the pulleys, and the drive motor is fixedly connected to the support frame.

5. The device for improving the quality and efficiency of grinding the outer surface of a steel pipe according to claim 4, characterized in that: It also includes a second pulley and a rotating shaft, wherein the rotating shaft is rotatably connected to the support frame, one end of the rotating shaft is fixedly connected to the pulley, and the other end is detachably fixedly connected to the grinding head, and the first pulley and the second pulley are connected through the belt transmission.

6. The device for improving the quality and efficiency of grinding the outer surface of a steel pipe according to claim 5, characterized in that: It also includes a protective cover, which is fixedly connected to the support frame and is arranged on a side of the grinding head away from the steel pipe.

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