Anti-deviation steel pipe surface trepanning device

Abstract

The utility model discloses an anti-deviation steel pipe surface trepanning device which comprises a working table and a trepanning device for trepanning the surface of a steel pipe, the top of the working table is provided with a moving table through a feeding mechanism, the top of the moving table is provided with a vertically upward positioning plate, the positioning plate is provided with a rotating sleeve through a rotating mechanism, and the rotating sleeve is provided with a rotating shaft. A plurality of arc-shaped clamping plates for positioning and clamping the inner wall of the steel pipe through an adjusting mechanism are arranged in the rotating sleeve; the utility model relates to the technical field of perforating devices. According to the anti-deviation steel pipe surface trepanning device, under the cooperation of the rotating mechanism and the feeding mechanism, a steel pipe can be driven to advance or rotate, so that the trepanning device can be used for trepanning the surface of the steel pipe at different positions and different angles, and workers do not need to continuously disassemble and adjust the angle; and the punching efficiency is improved to a certain extent, and the working intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hole-opening devices, in particular to an anti-deviating hole-opening device on the surface of a steel pipe. Background Art

[0002] Steel pipe has a hollow cross-section and its length is much larger than its diameter or circumference. It is divided into round, square, rectangular and special-shaped steel pipes according to the cross-sectional shape; it is divided into carbon structural steel pipe, low alloy structural steel pipe, alloy steel pipe and composite steel pipe according to the material; it is divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment, etc. according to the use; it is divided into seamless steel pipes and welded steel pipes according to the production process. Seamless steel pipes are divided into hot-rolled and cold-rolled (drawn) types, and welded steel pipes are divided into straight seam welded steel pipes and spiral seam welded steel pipes. Steel pipes are not only used to transport fluids and powdered solids, exchange heat energy, and manufacture mechanical parts and containers, but they are also an economical steel.

[0003] At present, when drilling holes in some steel pipes with large hollow sections, a steel pipe drilling machine for steel pipe processing disclosed in the patent number "CN220347880U" can be used for drilling holes. The device includes a base and an adjusting rod adjusting bracket, a drilling machine and a drill rod. The drilling machine is installed at the front end of the adjusting bracket, and the drill rod is installed on the output end of the drilling machine. The adjusting bracket is connected to the adjusting rod by threads, and the adjusting rod is placed on the base; a clamp seat is provided on both sides of the base, and the upper end of the clamp seat is connected to a movable ring by a hinge, and a movable block is provided at the arc opening of the upper end of the clamp seat, and a cleaning brush is provided on the arc surface of the movable block. A bottom block is provided at the lower end opening of the clamp seat, and a reset spring is provided between the bottom block and the movable block. The movable block, reset spring and cleaning brush are provided on the clamp seat, and the reset spring is used to make the movable block and the cleaning brush close to the outer wall of the steel pipe. When the steel pipe is pulled out, the cleaning brush cleans the outer wall of the steel pipe. When cleaning to the opening, the debris at the opening is reduced, thereby improving the cleanliness of the steel pipe after the opening;

[0004] However, some steel pipes need to be drilled in multiple places on their surfaces, and the traditional drilling device needs to fix the steel pipe by a fixing device before drilling the holes in the steel pipe. However, some fixing devices are not convenient for adjusting the angle of the steel pipe after fixing the steel pipe. Therefore, when drilling multiple holes on the surface of the steel pipe, the steel pipe needs to be frequently disassembled and adjusted, and then fixed and drilled. The operation is more cumbersome, not only the drilling efficiency is low, but also the work intensity of the staff is increased to a certain extent. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an anti-deviated steel pipe surface hole drilling device, which solves the problem that it is inconvenient to adjust the angle of the steel pipe after the fixing device fixes the steel pipe, thereby requiring frequent disassembly and adjustment of the steel pipe when drilling multiple holes on the surface of the steel pipe.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: an anti-deviating steel pipe surface hole-making device, comprising a workbench and a hole-making device for making holes on the steel pipe surface, the top of the workbench is provided with a moving table via a feeding mechanism, the top of the moving table is provided with a positioning plate arranged vertically upward, the positioning plate is provided with a rotating sleeve via a rotating mechanism, the rotating sleeve is provided with an arc-shaped clamping plate for positioning and clamping the inner wall of the steel pipe via an adjusting mechanism, and a plurality of arc-shaped clamping plates are provided;

[0007] The feeding mechanism comprises two fixed plates arranged on the top of the workbench and arranged opposite to each other, a feeding screw for the movable table to slide back and forth linearly is arranged between the fixed plates, and two limiting light rods for limiting the movable table and arranged parallel to the feeding screw are arranged between the two fixed plates, and a driving motor for driving the feeding screw to rotate is arranged on the fixed plates;

[0008] The rotating mechanism comprises a rotating motor arranged on a positioning plate, and the rotating sleeve is mounted on an output shaft of the rotating motor;

[0009] The movable platform is provided with a support platform for supporting the steel pipe via a lifting cylinder, and the top of the support platform is provided with a V-shaped limiting groove for limiting the steel pipe;

[0010] A gantry is also provided on one side of the workbench, a lifting plate is provided on the gantry via a telescopic cylinder, and the hole opening device is installed at the bottom of the lifting plate.

[0011] Preferably, the inclined surface of the limiting groove is rotatably connected to at least two guide rollers.

[0012] Preferably, the adjustment mechanism includes a bidirectional screw arranged in a rotating sleeve, the bidirectional screw is provided with two sliding blocks that slide synchronously and towards each other, the sliding blocks are connected to the arc-shaped clamping plate through a cross frame, and the rotating sleeve is provided with a limiting hole that cooperates with the cross frame, and the outer wall of the rotating sleeve is provided with an adjustment motor that drives the bidirectional screw to rotate.

[0013] Preferably, a sliding groove is provided at the bottom of the arc-shaped clamping plate, and two movable blocks which move synchronously toward each other along the sliding groove are provided on the cross frame, and the cross frame and the movable blocks as well as the sliding blocks are connected via hinges.

[0014] Preferably, the bottom of the lifting plate is provided with a resistance arc plate for positioning and resisting the steel pipe through a spring telescopic part, and the spring telescopic part includes a smooth guide rod arranged at the bottom of the lifting plate and located on both sides of the hole opening device, and the lifting plate is provided with a limiting through hole for the smooth guide rod to pass through, and a compression spring is provided on the smooth guide rod and located between the lifting plate and the resistance arc plate.

[0015] Preferably, the contact surface between the abutting arc plate and the steel pipe is provided with anti-slip grooves.

[0016] Beneficial Effects

[0017] The utility model provides a device for opening a hole on the surface of a steel pipe to prevent deviation. Compared with the prior art, the device has the following beneficial effects:

[0018] (1) The anti-deviated steel pipe surface hole opening device drives the bidirectional screw to rotate through the set adjustment motor, and the two sliding blocks move synchronously. Then, with the cooperation of the cross frame, multiple arc-shaped clamping plates can be driven to move synchronously, so that steel pipes of different diameters can be clamped against each other, which improves the practicality of the entire device to a certain extent.

[0019] (2) The anti-deviated steel pipe surface hole-opening device can drive the steel pipe forward or rotate with the cooperation of the rotating mechanism and the feeding mechanism, so that the hole-opening device can open holes at different positions and angles on the surface of the steel pipe, without the need for the staff to constantly disassemble and adjust the angle, which improves the hole-opening efficiency and reduces the work intensity of the staff to a certain extent; by setting a V-shaped limit groove, the steel pipe can be limited to prevent the steel pipe from shaking left and right when opening the hole, which is more conducive to the hole-opening device to open the hole on the steel pipe; a guide roller is rotatably connected to the inclined surface of the limit groove, which is convenient for the feeding mechanism to drive the steel pipe to move forward.

[0020] (3) The anti-deviating steel pipe surface hole-opening device can drive the hole-opening device to move downward by means of the telescopic cylinder, so that the hole-opening device can open a hole on the surface of the steel pipe. During the downward movement of the hole-opening device, the resistance arc plate will first contact the outer surface of the steel pipe, and during the continuous descent, the resistance arc plate will exert a downward force on the steel pipe with the cooperation of the smooth guide rod and the compression spring, and can further perform resistance positioning on the steel pipe, thereby preventing the steel pipe from deviating, which is beneficial to the hole-opening device to open a hole on the surface of the steel pipe to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of an anti-deviating steel pipe surface hole opening device of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the rotating sleeve of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the adjustment mechanism of the utility model;

[0024] Figure 4 It is a local motion state diagram of the active block of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the spring expansion member of the utility model.

[0026] In the figure: 1. workbench; 2. hole-opening device; 3. moving table; 4. positioning plate; 5. rotating sleeve; 6. arc-shaped clamping plate; 7. fixing plate; 8. feed screw; 9. limit light rod; 10. lifting cylinder; 11. support platform; 12. gantry; 13. telescopic cylinder; 14. lifting plate; 15. contact arc plate; 16. bidirectional screw; 17. sliding block; 18. cross frame; 19. sliding groove; 20. rotating motor; 21. guide roller; 22. smooth guide rod; 23. compression spring; 24. limit hole; 25. limit slot; 26. movable block. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] The utility model provides two technical solutions:

[0029] Figure 1-5 The first embodiment is shown: an anti-deviating steel pipe surface hole-making device, comprising a workbench 1 and a hole-making device 2 for making holes on the steel pipe surface, a moving table 3 is provided on the top of the workbench 1 via a feeding mechanism, a positioning plate 4 arranged vertically upward is provided on the top of the moving table 3, a rotating sleeve 5 is provided on the positioning plate 4 via a rotating mechanism, an arc-shaped clamping plate 6 is provided in the rotating sleeve 5 for positioning and clamping the inner wall of the steel pipe via an adjusting mechanism, and a plurality of arc-shaped clamping plates 6 are provided;

[0030] The feeding mechanism includes two fixed plates 7 arranged on the top of the workbench 1 and arranged opposite to each other, a feed screw 8 for the movable table 3 to slide back and forth linearly is arranged between the fixed plates 7, and two limit rods 9 for limiting the movable table 3 and arranged parallel to the feed screw 8 are arranged between the two fixed plates 7, and a driving motor for driving the feed screw 8 to rotate is arranged on the fixed plates 7;

[0031] The rotating mechanism includes a rotating motor 20 disposed on a positioning plate 4, and a rotating sleeve 5 is mounted on an output shaft of the rotating motor 20;

[0032] A support platform 11 for supporting the steel pipe is provided on the movable platform 3 via a lifting cylinder 10, and a V-shaped limiting groove 25 is provided on the top of the support platform 11 for limiting the steel pipe;

[0033] A gantry 12 is further provided on one side of the workbench 1 , a lifting plate 14 is provided on the gantry 12 via a telescopic cylinder 13 , and the hole-opening device 2 is installed at the bottom of the lifting plate 14 .

[0034] The inclined surface of the limiting slot 25 is rotatably connected to at least two guide rollers 21 .

[0035] Among them, the adjustment mechanism includes a bidirectional screw 16 arranged in the rotating sleeve 5, and two sliding blocks 17 that slide synchronously and towards each other are arranged on the bidirectional screw 16. The sliding block 17 is connected to the arc clamping plate 6 through a cross frame 18, and the rotating sleeve 5 is provided with a limiting hole 24 that cooperates with the cross frame 18, and the outer wall of the rotating sleeve 5 is provided with an adjustment motor that drives the bidirectional screw 16 to rotate.

[0036] The bottom of the arc-shaped clamping plate 6 is provided with a sliding groove 19 , and the cross frame 18 is provided with two movable blocks 26 that move synchronously toward each other along the sliding groove 19 , and the cross frame 18 and the movable blocks 26 and the sliding blocks 17 are all connected through hinges.

[0037] Among them, the hole-opening device 2 is a prior art, and part of the core structure thereof includes a hole-opening motor and a drill bit arranged on the output shaft of the hole-opening motor.

[0038] The bidirectional screw rod 16 is driven to rotate by the regulating motor, and the two sliding blocks 17 move synchronously. Then, with the cooperation of the cross frame 18, multiple arc-shaped clamping plates 6 can be driven to move synchronously, so that steel pipes of different diameters can be clamped against each other, which improves the practicality of the entire device to a certain extent; with the cooperation of the rotating mechanism and the feeding mechanism, the steel pipe can be driven to move forward or rotate, so that the hole-opening device 2 can open holes at different positions and angles on the surface of the steel pipe, without the need for staff to constantly disassemble and adjust the angle, which improves the hole-opening efficiency and reduces the work intensity of the staff to a certain extent; by setting a V-shaped limit groove 25, the steel pipe can be limited to prevent the steel pipe from shaking left and right when opening the hole, which is more conducive to the hole-opening device 2 to open the hole on the steel pipe; the inclined surface of the limit groove 25 is rotated to connect There is a guide roller 21, which is convenient for the feeding mechanism to drive the steel pipe to move forward; wherein, the specific forward process of the feeding mechanism is as follows: the driving motor drives the feeding screw 8 to rotate, and then the movable platform 3 moves in a straight line along the feeding screw 8, and the steel pipe is moved synchronously after being positioned and clamped by the arc-shaped clamping plate 6, so as to facilitate the hole-opening device 2 to open holes on the surface of the steel pipe, wherein the feeding screw 8 can be limited by the set limiting light rod 9, so that the movement of the movable platform 3 is more stable; and the rotating mechanism drives the rotating sleeve 5 to rotate by the set rotating motor 20, and it should be noted that an angle sensor is installed on the output shaft of the rotating motor 20, and the angle sensor is a prior art, which can be purchased on the market, and the rotating motor 20 can rotate to a suitable angle with the cooperation of the angle sensor, so as to facilitate the hole-opening device 2 to open holes in the steel pipe.

[0039] Figure 1 and Figure 5 A second embodiment is shown, and its main difference from the first embodiment is that a resistance arc plate 15 for positioning and resisting the steel pipe is provided at the bottom of the lifting plate 14 through a spring telescopic member, and the spring telescopic member includes a smooth guide rod 22 arranged at the bottom of the lifting plate 14 and located on both sides of the hole opening device 2, and a limiting through-hole for the smooth guide rod 22 to pass through is provided on the lifting plate 14, and a compression spring 23 is provided on the smooth guide rod 22 and between the lifting plate 14 and the resistance arc plate 15.

[0040] Wherein, the contact surface between the arc plate 15 and the steel pipe is provided with anti-slip grooves.

[0041] The telescopic cylinder 13 is arranged to drive the hole-opening device 2 to move downward, so that the hole-opening device 2 can make a hole in the surface of the steel pipe. In the process of the hole-opening device 2 moving downward, the resistance arc plate 15 will first contact the outer surface of the steel pipe, and in the process of continuous descent, the resistance arc plate 15 will exert a downward force on the steel pipe with the cooperation of the smooth guide rod 22 and the compression spring 23, and can further perform resistance positioning on the steel pipe, thereby preventing the steel pipe from deviating, which is beneficial to the hole-opening device 2 to make a hole in the surface of the steel pipe to a certain extent.

[0042] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.

[0043] When in use, firstly, the bidirectional screw rod 16 is driven to rotate by the setting adjustment motor, and the two sliding blocks 17 move synchronously, and then with the cooperation of the cross frame 18, multiple arc-shaped clamping plates 6 can be driven to move synchronously, so that steel pipes of different diameters can be clamped, which improves the practicality of the whole device to a certain extent. The specific movement process is as follows: first, the motor is adjusted to drive the bidirectional screw rod 16 to rotate, so that the two sliding blocks 17 move synchronously, and then the cross frame 18 is in a cross-movement state, and the two movable blocks 26 hinged on the cross frame 18 slide synchronously and toward each other along the sliding groove 19, so that the arc-shaped clamping plate 6 can be radially retracted, and the retractable arc-shaped clamping plate 6 can be clamped against the inner wall of steel pipes of different diameters; after clamping, with the cooperation of the rotating mechanism and the feeding mechanism, the steel pipe can be driven to move forward or rotate, so that the hole-opening device 2 can open holes at different positions and angles on the surface of the steel pipe, without the need for staff to constantly disassemble and adjust the angle The hole-opening efficiency is improved to a certain extent and the work intensity of the staff is reduced; wherein, in the process of advancing, the steel pipe can be limited by the V-shaped limit slot 25 to prevent the steel pipe from shaking left and right when opening the hole, which is more conducive to the hole-opening device 2 to open the hole in the steel pipe; wherein the guide roller 21 is rotatably connected to the inclined surface of the limit slot 25, which is convenient for the feeding mechanism to drive the steel pipe to move forward; wherein, the hole-opening device 2 can be driven to move downward by the telescopic cylinder 13, so that the hole-opening device 2 can open the hole on the surface of the steel pipe, and in the process of the hole-opening device 2 moving downward, the resistance arc plate 15 will first contact the outer surface of the steel pipe, and in the process of continuous descent, the resistance arc plate 15 will exert a downward force on the steel pipe under the cooperation of the smooth guide rod 22 and the compression spring 23, and further can be resisted and positioned to prevent the steel pipe from deflecting, which is conducive to the hole-opening device 2 to open the hole on the surface of the steel pipe.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel pipe surface hole-making device (2) with anti-deviating properties, comprising a workbench (1) and a hole-making device (2) for making holes on the steel pipe surface, characterized in that: The top of the workbench (1) is provided with a moving platform (3) via a feeding mechanism, the top of the moving platform (3) is provided with a positioning plate (4) arranged vertically upward, the positioning plate (4) is provided with a rotating sleeve (5) via a rotating mechanism, the rotating sleeve (5) is provided with an arc-shaped clamping plate (6) for positioning and clamping the inner wall of the steel pipe via an adjusting mechanism, and a plurality of arc-shaped clamping plates (6) are provided; The feeding mechanism comprises two fixed plates (7) arranged on the top of the workbench (1) and arranged opposite to each other, a feeding screw (8) for the movable table (3) to slide back and forth linearly is arranged between the fixed plates (7), and two limiting light rods (9) for limiting the movable table (3) and arranged parallel to the feeding screw (8) are arranged between the two fixed plates (7), and a driving motor for driving the feeding screw (8) to rotate is arranged on the fixed plate (7); The rotating mechanism comprises a rotating motor (20) arranged on a positioning plate (4), and the rotating sleeve (5) is mounted on an output shaft of the rotating motor (20); A support platform (11) for supporting the steel pipe is provided on the movable platform (3) via a lifting cylinder (10), and a V-shaped limiting groove (25) is provided on the top of the support platform (11) for limiting the position of the steel pipe; A gantry (12) is also provided on one side of the workbench (1), a lifting plate (14) is provided on the gantry (12) via a telescopic cylinder (13), and the hole opening device (2) is installed at the bottom of the lifting plate (14).

2. The anti-deviating steel pipe surface hole-opening device (2) according to claim 1, characterized in that: The inclined surface of the limiting slot (25) is rotatably connected to at least two guide rollers (21).

3. The anti-deviating steel pipe surface hole-opening device (2) according to claim 1, characterized in that: The adjusting mechanism comprises a bidirectional screw (16) arranged in a rotating sleeve (5), the bidirectional screw (16) is provided with two sliding blocks (17) which slide synchronously and towards each other, the sliding blocks (17) are connected to the arc-shaped clamping plate (6) via a cross frame (18), the rotating sleeve (5) is provided with a limiting hole (24) which matches with the cross frame (18), and the outer wall of the rotating sleeve (5) is provided with an adjusting motor which drives the bidirectional screw (16) to rotate.

4. The anti-deviating steel pipe surface hole opening device (2) according to claim 3, characterized in that: A sliding groove (19) is provided at the bottom of the arc-shaped clamping plate (6), and two movable blocks (26) are provided on the cross frame (18) and move synchronously toward each other along the sliding groove (19), and the cross frame (18) and the movable blocks (26) and the sliding blocks (17) are all connected via hinges.

5. The anti-deviating steel pipe surface hole-opening device (2) according to claim 1, characterized in that: The bottom of the lifting plate (14) is provided with a contact arc plate (15) for positioning and contacting the steel pipe via a spring telescopic member, the spring telescopic member comprises a smooth guide rod (22) arranged at the bottom of the lifting plate (14) and located on both sides of the hole opening device (2), the lifting plate (14) is provided with a limiting through hole for the smooth guide rod (22) to pass through, and a compression spring (23) is provided on the smooth guide rod (22) and located between the lifting plate (14) and the contact arc plate (15).

6. The anti-deviating steel pipe surface hole-opening device (2) according to claim 5, characterized in that: The contact surface between the abutting arc plate (15) and the steel pipe is provided with anti-slip grooves.

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