A seamless steel pipe cutting device

Abstract

The present invention belongs to the technical field of seamless steel pipe head cutting, specifically, a seamless steel pipe head cutting device; comprising: a workbench, a groove is opened in the center of the workbench; a bracket is fixedly connected to the top of one end of the workbench, a No. 1 telescopic rod is installed on the bracket, a sawing device is installed at the bottom of the No. 1 telescopic rod, and the sawing device can cut the seamless steel pipe; a plurality of clamping units are arranged on the workbench and located on both sides of the groove, and the plurality of clamping units cooperate to clamp the seamless steel pipe; a cleaning unit; the present invention arranges a cleaning unit on the workbench, and the cleaning unit can clean the cut part of the seamless steel pipe to remove defects in the cut part of the seamless steel pipe; cleaning is performed before cutting to remove impurities and oil stains, reduce the influence of impurities on the cutting quality, and also reduce the occurrence of fire.

Description

Technical Field

[0001] The invention belongs to the technical field of seamless steel pipe cutting, in particular to a seamless steel pipe cutting device. Background Art

[0002] Seamless steel pipe is a long steel strip with a hollow cross-section and no welds around it; it is manufactured by hot working methods such as perforation or cold working methods such as cold rolling and cold drawing; seamless steel pipes need to be cut;

[0003] When cutting seamless steel pipes, if there are impurities and oil stains on the surface of the seamless steel pipes, these impurities may affect the cutting quality, and the oil stains may also cause fire hazards; therefore, it is necessary to clean the impurities and oil stains on the surface of the seamless steel pipes;

[0004] In view of this, the present invention solves the above technical problems by proposing a seamless steel pipe cutting device. Summary of the invention

[0005] In order to make up for the shortcomings of the prior art, the cut portion of the seamless steel pipe is cleaned to remove the defects of the cut portion of the seamless steel pipe; the present invention provides a seamless steel pipe cutting device.

[0006] The technical solution adopted by the present invention to solve the technical problem is: a seamless steel pipe cutting device, comprising: a workbench, a groove is provided in the center of the workbench; a bracket is fixedly connected to the top of one end of the workbench, a No. 1 telescopic rod is installed on the bracket, a sawing device is installed at the bottom of the No. 1 telescopic rod, and the sawing device can cut the seamless steel pipe; a plurality of clamping units are arranged on the workbench and located on both sides of the groove, and a plurality of the clamping units cooperate to clamp the seamless steel pipe; the seamless steel pipe cutting device also includes: a cleaning unit, a cleaning unit is arranged on the workbench, and the cleaning unit can clean the cut part of the seamless steel pipe to remove defects in the cut part of the seamless steel pipe; cleaning is performed before cutting to remove impurities and oil stains, reduce the influence of impurities on the cutting quality, and also reduce the occurrence of fire;

[0007] In the present application, the sawing device can be composed of a motor and a saw blade, which is driven to rise and fall by a telescopic rod No. 1 to complete the cutting; the clamping unit can be composed of a telescopic rod and a splint, and through the extension and retraction of the telescopic rod, the splint contacts the two sides of the extruded steel pipe to achieve clamping.

[0008] Preferably, the cleaning unit comprises: a cleaning sheet, a cleaning sheet is provided at one end of the groove of the workbench near the sawing device; an L-shaped plate, one end of the workbench is fixedly connected to the L-shaped plate, and the L-shaped plate is located at one end near the sawing device; a No. 1 motor is fixedly connected to the L-shaped plate, the output shaft of the No. 1 motor is fixedly connected to a No. 2 telescopic rod, the other end of the No. 2 telescopic rod is fixedly connected to a No. 1 block, a plurality of No. 1 cavities are provided on the side walls around the No. 1 block, a No. 1 electromagnet is fixedly installed at the bottom of each of the No. 1 cavities, a No. 1 electromagnet is slidably connected to the inside of each of the No. 1 cavities, a No. 1 magnet is fixedly connected to the end of each of the No. 1 electromagnets near the No. 1 magnet, a No. 1 spring is fixedly connected between the No. 1 magnet and the No. 1 electromagnet, and when the No. 1 electromagnet is energized, the No. 1 electromagnet and the No. 1 magnet repel each other;

[0009] Preferably, the amount of current flowing through the first electromagnet can be controlled;

[0010] Preferably, the cleaning sheet is slidably connected to the groove, and a No. 2 cavity is provided inside the workbench; a connecting block is fixedly connected to the bottom of the cleaning sheet, and the connecting block is located in the No. 2 cavity, and a No. 2 electromagnet is fixedly provided at one end of the No. 2 cavity, and a No. 2 spring is fixedly connected between the connecting block and the No. 2 electromagnet; the connecting block is made of a permanent magnet, and when the No. 2 electromagnet is energized, the connecting block is away from the No. 2 electromagnet;

[0011] Preferably, a cleaning layer is fixedly connected to the end of each of the abutting blocks, and the cleaning layer is located at the end of the abutting block away from the first electromagnet;

[0012] Put the seamless steel pipe into the groove of the workbench, and place the head to be cut on the sawing device; at this time, the clamping unit slightly clamps the steel pipe, and then the No. 2 telescopic rod is extended, so that the No. 1 block is extended into the steel pipe, and the No. 1 electromagnet is energized, so that the No. 1 magnet and the No. 1 electromagnet repel each other, the No. 1 spring is extended, and the block extends out of the No. 1 cavity and presses against the inner wall of the steel pipe, so that the No. 1 block and the steel pipe remain relatively still, and then the No. 2 electromagnet is energized, the connecting block moves away from the No. 2 electromagnet, the No. 2 spring is extended, and the cleaning sheet extends out of the workbench, so that the cleaning sheet moves to the lower part of the part to be cut. In order to clean the cutting part, the No. 1 motor rotates, driving the steel pipe to rotate, and the cleaning sheet cleans the outer wall of the steel pipe at the cutting part. After cleaning, the No. 2 electromagnet is powered off and the cleaning sheet is reset; the No. 1 motor stops rotating, the clamping unit clamps the steel pipe, and the No. 1 block is located at the cutting part inside the steel pipe, reducing the amount of power supplied to the No. 1 electromagnet, so that when the No. 1 motor rotates, the No. 1 block can rotate relative to the steel pipe. Therefore, at this time, the No. 1 motor rotates, the No. 1 block rotates, and the cleaning layer cleans the cutting part of the inner wall of the steel pipe; the cleaning layer can be a cleaning cloth or a rubber sheet.

[0013] Preferably, each of the abutment blocks is fixedly connected to a side wall of the cleaning sheet close to a grinding block;

[0014] The cleaning layer wraps the end of the grinding block exposed from block No. 1, and one end of the grinding block is flush with the end of magnet No. 1; after cutting, there will inevitably be burrs on the cut surface of the steel pipe. At this time, the stop block extends out of block No. 1, and telescopic rod No. 2 extends until the grinding block contacts the cut section. At this time, motor No. 1 rotates, and the grinding block can grind the cut section to remove the cutting burrs.

[0015] Preferably, the cross-sections of the groove and the cleaning sheet are both arc-shaped, and when the seamless steel pipe is placed on the groove, the axis of the No. 1 block coincides with the axis of the seamless steel pipe;

[0016] The cross-sections of the groove and the cleaning sheet are both arc-shaped, which is conducive to better contact between the groove and the cleaning sheet and the surface of the steel pipe; when the seamless steel pipe is placed on the groove, the axis of block No. 1 coincides with the axis of the seamless steel pipe, which is conducive to better driving the steel pipe to rotate by block No. 1.

[0017] The beneficial effects of the present invention are as follows:

[0018] 1. The seamless steel pipe cutting device described in the present invention has a cleaning unit arranged on a workbench, and the cleaning unit can clean the cut portion of the seamless steel pipe to remove defects in the cut portion of the seamless steel pipe; cleaning is performed before cutting to remove impurities and oil stains, thereby reducing the impact of impurities on cutting quality and reducing the occurrence of fire.

[0019] 2. A seamless steel pipe cutting device described in the present invention is to place the seamless steel pipe into the groove of the workbench; at this time, the clamping unit slightly clamps the steel pipe, and then the No. 2 telescopic rod is extended, so that the No. 1 block is extended into the steel pipe, and the No. 1 electromagnet is energized, so that the No. 1 magnet and the No. 1 electromagnet repel each other, and the No. 1 spring is extended, and the block extends out of the No. 1 cavity and presses against the inner wall of the steel pipe, so that the No. 1 block and the steel pipe remain relatively still, and then the No. 2 electromagnet is energized, the connecting block is away from the No. 2 electromagnet, and the No. 2 spring is extended, so that the cleaning sheet moves to the part that needs to be cut. The No. 1 motor is stopped and the clamping unit clamps the steel pipe. Block No. 1 is located at the cutting position inside the steel pipe, reducing the amount of power supplied to the No. 1 electromagnet so that when the No. 1 motor rotates, the block No. 1 can rotate relative to the steel pipe. Therefore, at this time, the No. 1 motor rotates, the No. 1 block rotates, and the cleaning layer cleans the cutting position of the inner wall of the steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Figure 1 The present invention is a three-dimensional Figure 1 ;

[0022] Figure 2 The present invention is a three-dimensional Figure 2 ;

[0023] Figure 3 The present invention is a three-dimensional Figure 3 ;

[0024] Figure 4 It is a partial cross-sectional view of the present invention. Figure 1 ;

[0025] Figure 5 yes Figure 4 A local enlarged view of point A;

[0026] Figure 6 It is a partial cross-sectional view of the present invention. Figure 2 ;

[0027] Figure 7 yes Figure 6 A partial enlarged view of point B;

[0028] In the figure: 1. workbench; 11. groove; 12. bracket; 13. telescopic rod No. 1; 14. sawing device; 15. clamping unit; 2. cleaning unit; 21. cleaning sheet; 22. L-shaped plate; 23. motor No. 1; 24. telescopic rod No. 2; 25. block No. 1; 26. cavity No. 1; 27. electromagnet No. 1; 28. stop block; 29. ​​magnet No. 1; 3. spring No. 1; 4. cavity No. 2; 41. connecting block; 42. electromagnet No. 2; 43. spring No. 2; 5. cleaning layer; 6. grinding block. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0030] like Figure 1 , Figure 2 , Figure 3 As shown, a seamless steel pipe cutting device described in the present invention comprises: a workbench 1, a groove 11 is provided in the center of the workbench 1; a bracket 12 is fixedly connected to the top of one end of the workbench 1, a No. 1 telescopic rod 13 is installed on the bracket 12, and a sawing device 14 is installed at the bottom of the No. 1 telescopic rod 13, and the sawing device 14 can cut the seamless steel pipe; a plurality of clamping units 15 are provided on the workbench 1 and located on both sides of the groove 11, and the plurality of clamping units 15 can clamp the seamless steel pipe in cooperation; the seamless steel pipe cutting device also comprises: a cleaning unit 2, and the cleaning unit 2 can clean the cut part of the seamless steel pipe to remove the defects of the cut part of the seamless steel pipe;

[0031] When cutting the seamless steel pipe, if there are impurities and oil stains on the surface of the seamless steel pipe, these impurities may affect the cutting quality, and the oil stains may also cause fire hazards; therefore, it is necessary to clean the impurities and oil stains on the surface of the seamless steel pipe; therefore, a cleaning unit 2 is set on the workbench 1, and the cleaning unit 2 can clean the cut part of the seamless steel pipe to remove the defects of the cut part of the seamless steel pipe; cleaning is performed before cutting to remove impurities and oil stains, reduce the impact of impurities on the cutting quality, and also reduce the occurrence of fire;

[0032] In the present application, the sawing device 14 can be composed of a motor and a saw blade, which is driven to rise and fall by the No. 1 telescopic rod 13 to complete the cutting; the clamping unit 15 can be composed of a telescopic rod and a splint, and through the extension and retraction of the telescopic rod, the splint contacts the two sides of the extruded steel pipe to achieve clamping.

[0033] As a specific embodiment of the present invention, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7 As shown, the cleaning unit 2 includes: a cleaning sheet 21, a cleaning sheet 21 is provided at one end of the groove 11 of the workbench 1 near the sawing device 14; an L-shaped plate 22, an L-shaped plate 22 is fixedly connected to one end of the workbench 1, and the L-shaped plate 22 is located at the end near the sawing device 14; a No. 1 motor 23 is fixedly connected to the L-shaped plate 22, a No. 2 telescopic rod 24 is fixedly connected to the output shaft of the No. 1 motor 23, and a No. 2 telescopic rod 24 is fixedly connected to the other end of the No. 2 telescopic rod 24, and a No. 1 block 25 is fixedly connected to the side of the No. 1 block 25. The wall is provided with a plurality of No. 1 cavities 26, and a No. 1 electromagnet 27 is fixedly installed at the bottom of each No. 1 cavity 26, and a stopper 28 is slidably connected inside each No. 1 cavity 26, and a No. 1 magnet 29 is fixedly connected to the end of each stopper 28 close to the No. 1 electromagnet 27, and a No. 1 spring 3 is fixedly connected between the No. 1 magnet 29 and the No. 1 electromagnet 27. When the No. 1 electromagnet 27 is energized, the No. 1 electromagnet 27 and the No. 1 magnet 29 repel each other; the amount of power supplied to the No. 1 electromagnet 27 can be controlled;

[0034] like Figure 4 , Figure 5 As shown, the cleaning sheet 21 is slidably connected with the groove 11, and a No. 2 cavity 4 is arranged inside the workbench 1; a connecting block 41 is fixedly connected to the bottom of the cleaning sheet 21, and the connecting block 41 is located in the No. 2 cavity 4, and a No. 2 electromagnet 42 is fixedly arranged at one end of the No. 2 cavity 4, and a No. 2 spring 43 is fixedly connected between the connecting block 41 and the No. 2 electromagnet 42; the connecting block 41 is made of a permanent magnet, and when the No. 2 electromagnet 42 is energized, the connecting block 41 is away from the No. 2 electromagnet 42;

[0035] like Figure 7 As shown, a cleaning layer 5 is fixedly connected to the end of each stop block 28, and the cleaning layer 5 is located at the end of the stop block 28 away from the first electromagnet 27;

[0036] During operation, the seamless steel pipe is placed in the groove 11 of the workbench 1, and the head to be cut is placed on the sawing device 14; at this time, the clamping unit 15 slightly clamps the steel pipe, and then the No. 2 telescopic rod 24 is extended, so that the No. 1 block 25 is extended into the steel pipe, and the No. 1 electromagnet 27 is energized, so that the No. 1 magnet 29 and the No. 1 electromagnet 27 repel each other, and the No. 1 spring 3 is extended, and the block 28 extends out of the No. 1 cavity 26 and presses against the inner wall of the steel pipe, so that the No. 1 block 25 and the steel pipe remain relatively still, and then the No. 2 electromagnet 42 is energized, the connecting block 41 is away from the No. 2 electromagnet 42, the No. 2 spring 43 is extended, and the cleaning sheet 21 extends out of the workbench 1, the purpose is to make the cleaning sheet 21 move to Below the part that needs to be cut, in order to clean the cutting part, then the No. 1 motor 23 rotates, driving the steel pipe to rotate, and the cleaning sheet 21 cleans the outer wall of the steel pipe at the cutting part. After cleaning, the No. 2 electromagnet 42 is powered off and the cleaning sheet 21 is reset; then the No. 1 motor 23 stops rotating, the clamping unit 15 clamps the steel pipe, and the No. 1 block 25 is located at the cutting part inside the steel pipe, reducing the amount of power supplied to the No. 1 electromagnet 27, so that when the No. 1 motor 23 rotates, the No. 1 block 25 can rotate relative to the steel pipe. Therefore, at this time, the No. 1 motor 23 rotates, the No. 1 block 25 rotates, and the cleaning layer 5 cleans the cutting part of the inner wall of the steel pipe; the cleaning layer 5 can be a cleaning cloth or a rubber sheet.

[0037] As a specific embodiment of the present invention, Figure 7 As shown, each stop block 28 is fixedly connected to a grinding block 6 near the side wall of the cleaning sheet 21;

[0038] During operation, the cleaning layer 5 wraps the end of the grinding block 6 exposed from the No. 1 block 25, and one end of the grinding block 6 is flush with the end of the No. 1 magnet 29; after cutting, there will inevitably be burrs on the cut surface of the steel pipe. At this time, the stop block 28 extends out of the No. 1 block 25, and the No. 2 telescopic rod 24 extends until the grinding block 6 contacts the cut section. At this time, the No. 1 motor 23 rotates, and the grinding block 6 can grind the cut section to remove the cutting burrs.

[0039] As a specific embodiment of the present invention, Figure 1 As shown, the cross-sections of the groove 11 and the cleaning sheet 21 are both arc-shaped. When the seamless steel pipe is placed on the groove 11, the axis of the No. 1 block 25 coincides with the axis of the seamless steel pipe;

[0040] During operation, the cross-sections of the groove 11 and the cleaning sheet 21 are both arc-shaped, which is conducive to better contact between the groove 11 and the cleaning sheet 21 and the surface of the steel pipe; when the seamless steel pipe is placed on the groove 11, the axis of the No. 1 block 25 coincides with the axis of the seamless steel pipe, which is conducive to better driving the No. 1 block 25 to rotate the steel pipe.

[0041] The above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, a person skilled in the art should understand that the specific implementation modes of the present invention can still be modified or replaced by equivalents, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A seamless steel pipe cutting device, comprising: A workbench (1), wherein a groove (11) is provided in the center of the workbench (1); a bracket (12) is fixedly connected to the top of one end of the workbench (1), a No. 1 telescopic rod (13) is installed on the bracket (12), a sawing device (14) is installed at the bottom of the No. 1 telescopic rod (13), and the sawing device (14) can cut seamless steel pipes; a plurality of clamping units (15) are provided on the workbench (1) and located on both sides of the groove (11), and the plurality of clamping units (15) can clamp the seamless steel pipes in cooperation with each other; It is characterized in that: the seamless steel pipe cutting device also includes: A cleaning unit (2), wherein the cleaning unit (2) is capable of cleaning the cut portion of the seamless steel pipe to remove defects in the cut portion of the seamless steel pipe; The cleaning unit (2) comprises: A cleaning sheet (21), wherein a cleaning sheet (21) is provided at one end of the groove (11) of the workbench (1) close to the sawing device (14); An L-shaped plate (22), one end of the workbench (1) is fixedly connected to the L-shaped plate (22), and the L-shaped plate (22) is located at one end close to the sawing device (14); a No. 1 motor (23) is fixedly connected to the L-shaped plate (22), the output shaft of the No. 1 motor (23) is fixedly connected to a No. 2 telescopic rod (24), the other end of the No. 2 telescopic rod (24) is fixedly connected to a No. 1 block (25), and the side walls around the No. 1 block (25) are provided with a plurality of No. 1 cavities (26), each A No. 1 electromagnet (27) is fixedly installed at the bottom of each No. 1 cavity (26), and a stopper (28) is slidably connected inside each No. 1 cavity (26). The end of each stopper (28) close to the No. 1 electromagnet (27) is fixedly connected to a No. 1 magnet (29), and a No. 1 spring (3) is fixedly connected between the No. 1 magnet (29) and the No. 1 electromagnet (27). When the No. 1 electromagnet (27) is energized, the No. 1 electromagnet (27) and the No. 1 magnet (29) repel each other; The amount of current flowing into the first electromagnet (27) can be controlled; The cleaning sheet (21) is slidably connected to the groove (11), and a No. 2 cavity (4) is arranged inside the workbench (1); a connecting block (41) is fixedly connected to the bottom of the cleaning sheet (21), and the connecting block (41) is located in the No. 2 cavity (4); a No. 2 electromagnet (42) is fixedly arranged at one end of the No. 2 cavity (4), and a No. 2 spring (43) is fixedly connected between the connecting block (41) and the No. 2 electromagnet (42); the connecting block (41) is made of a permanent magnet, and when the No. 2 electromagnet (42) is energized, the connecting block (41) is away from the No. 2 electromagnet (42); The end of each of the abutting blocks (28) is fixedly connected with a cleaning layer (5), and the cleaning layer (5) is located at an end of the abutting block (28) away from the first electromagnet (27); Each of the abutting blocks (28) is fixedly connected to a grinding block (6) near the side wall of the cleaning sheet (21).

2. A seamless steel pipe cutting device according to claim 1, characterized in that: The cross sections of the groove (11) and the cleaning sheet (21) are both arc-shaped. When the seamless steel pipe is placed on the groove (11), the axis of the No. 1 block (25) coincides with the axis of the seamless steel pipe.

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