Steel pipe drilling device

Abstract

The invention discloses a steel pipe drilling device, which relates to the technical field of steel pipe processing equipment, and comprises a base, a transmission assembly I, a fixed pressing plate, a conveying piece, an alignment pressing mechanism, a limiting moving plate, an alignment assembly I, a top cushion part, a driving motor I, a pressing plate and an alignment assembly II, a conveying piece is matched with a top cushion part in the conveying process to preliminarily align the horizontal position of a conical pipe, then a pressing plate moves up and down through a second transmission assembly to align and clamp the right end of the conical pipe for the second time, and then a first transmission gear and a second transmission gear which are meshed rotate to drive the pressing plate to be attached to and press the inner wall of the conical pipe. According to the clamping device, the conical pipe is horizontally aligned and clamped for the third time, clamping of the horizontal position of the axis of the conical pipe is guaranteed through triple progressive alignment and clamping, deviation of clamping and drilling of the conical pipe is avoided, the problem that deviation of clamping and drilling of the conical pipe is caused by existing equipment is solved, and deviation of clamping and drilling of the conical pipe can be avoided.

Description

Technical Field

[0001] The present application relates to the technical field of steel pipe processing equipment, and in particular to a steel pipe drilling device. Background Art

[0002] The processing of steel pipes includes bending, drilling, punching, etc. During the drilling process of steel pipes, the steel pipes will be clamped by a clamp to keep the central axis of the steel pipe horizontal, and the steel pipe to be processed will be clamped and fixed, and then the fixed steel pipe will be marked and punched.

[0003] When drilling holes in steel pipes, existing equipment usually only clamps the two ends of the steel pipe with clamps and applies horizontal pressure to the upper and lower ends of the steel pipe to fix the steel pipe. However, during the clamping process of the tapered pipe, since the side of the tapered pipe is inclined, the clamping fixation will be offset, resulting in deviation in the drilling of the tapered pipe.

[0004] Therefore, we need a steel pipe drilling device to solve the problem of deviation in the clamping and drilling of the tapered pipe by the existing equipment, so that the clamping and drilling of the tapered pipe will not deviate. Summary of the invention

[0005] The purpose of the present application is to solve the problem of deviation in the clamping and drilling of tapered tubes by existing equipment. In order to solve the above problem, the present application provides a steel tube drilling device, which can prevent deviation in the clamping and drilling of tapered tubes.

[0006] To achieve the above objectives, the present application embodiment adopts the following technical solutions: A steel pipe drilling device comprises: a base, a movable groove is arranged on the base; a driving member 1, which is arranged at the left end of the base; a driving member 2, which is arranged above the right end of the base; a transmission assembly 1, which is arranged between the driving member 1 and the driving member 2; a fixed pressure plate, which is arranged on the base, the fixed pressure plate is penetrated by the transmission assembly 1, and the fixed pressure plate is used to fix the left end of the tapered tube; a conveying member, which is arranged on the base, the conveying member is penetrated by the transmission assembly 1, and the conveying member is used for placing and conveying the tapered tube; an alignment and clamping mechanism, which comprises: a shell, which is arranged above the right end of the base, the shell is sleeved on the driving member 2, and limited grooves are arranged on both sides of the left end of the shell; a limiting movable plate, which is arranged at the left end of the shell, the upper end of the limiting movable plate is provided with a driving member 3, and the lower end is provided with a driving member 4, A transmission component 2 that penetrates the limit movable plate is arranged between the moving part 3 and the driving part 4; an alignment component 1, which is arranged at the left end of the limit movable plate, and the alignment component 1 includes: a top pad part, which is arranged at the left end of the limit movable plate, and the top pad part is used to cooperate with the limit groove and the transmission component 2 to move up and down; a driving motor 1, which is arranged at the upper end of the top pad part, and a transmission tooth 1 is arranged in the driving motor, and the driving motor 1 is used to control the rotation of the transmission tooth 1; a clamping plate, which is arranged at the left end of the transmission motor 1, and the clamping plate and the transmission motor 1 are connected through the transmission tooth 2, and the transmission tooth 1 is meshed with the transmission tooth 2, and the clamping plate is used to align and clamp the two ends of the conical tube and align and clamp the inner wall of the conical tube as the transmission tooth 1 rotates. The alignment component 2 is exactly the same as the alignment component 1, and the alignment component 2 is a downward mirror image of the alignment component 1.

[0007] In the above technical scheme, the embodiment of the present application places and conveys the conical tube through a conveying member, cooperates with the top pad to perform preliminary alignment of the horizontal position of the conical tube during the conveying process, and then the clamping plate moves up and down through the transmission component 2, and performs secondary alignment clamping on the right end of the conical tube, and then rotates through the meshing transmission teeth 1 and 2, driving the clamping plate to fit and clamp the inner wall of the conical tube, and performs the third horizontal alignment clamping on the conical tube, and cooperates with the fixed pressure plate to fix it. The triple progressive alignment clamping ensures the clamping of the horizontal position of the axis of the conical tube, and avoids deviation in the clamping drilling of the conical tube.

[0008] Further, according to an embodiment of the present application, the conveying member includes: The movable seat is arranged on the base, the bottom of the movable seat cooperates with the movable groove, and an annular groove is arranged on the top of the movable seat; A multi-layer sleeve, the multi-layer sleeve is arranged on the movable seat and arranged at the center of the annular groove; A support seat, which is arranged above the multi-layer sleeve, and is used to support the tapered tube. A limit groove corresponding to the annular groove is arranged at the bottom end of the support seat; A compression spring is sleeved on the outside of the multi-layer sleeve, and two ends of the compression spring are respectively fixed in the limit groove and the annular groove.

[0009] Further, according to an embodiment of the present application, the upper end of the support seat is provided with a trapezoidal groove penetrating front to back and a triangular groove penetrating left to right.

[0010] Further, according to an embodiment of the present application, the multi-layer sleeve is composed of a plurality of sleeves, the diameters of the sleeves increase from bottom to top, and the sleeves can be telescoped up and down.

[0011] Further, according to an embodiment of the present application, equidistant pads are provided on both sides of the right end of the movable seat.

[0012] Further, according to an embodiment of the present application, transmission component 1 includes transmission screw 1 and transmission screw 2, and two transmission screws are provided. Transmission screw 2 is symmetrically arranged on both sides of transmission screw 1. Transmission screw 1 is used for the left and right movement of the conveying member, and transmission screw 2 is used for the movement of the fixed pressure plate.

[0013] Further, according to an embodiment of the present application, the movable groove is a cross groove.

[0014] Further, according to an embodiment of the present application, the limiting groove is a T-shaped groove.

[0015] Further, according to an embodiment of the present application, an arc-shaped protrusion is provided on the upper end surface of the pressing plate.

[0016] The present application also discloses a method of use, including: Placing, placing the conical tube on the conveying member; During the initial alignment, the conveying member moves to the right along with the transmission assembly, and the right end of the tapered tube presses against the top pad, so that the tapered tube maintains an initial horizontal position; Secondary alignment and clamping: the top pad moves to the upper position along with the second transmission component, and the pressing plate further aligns and clamps the right end of the tapered tube; Three times alignment and clamping, the driving motor controls the transmission gear 1 to rotate, and the transmission gear 2 rotates accordingly, driving the pressing plate to fit the inner wall of the tapered tube for alignment and clamping; Fixing: the fixed pressing plate moves to the right along with the transmission assembly, presses the left end of the tapered tube tightly, and fixes the tapered tube; Drilling: Drill holes in the tapered tube after fixation.

[0017] Compared with the prior art, the present application places and conveys the conical tube by means of a conveying member, cooperates with the top pad to perform preliminary alignment of the horizontal position of the conical tube during the conveying process, and then the clamping plate moves up and down through the transmission component 2, performs secondary alignment clamping on the right end of the conical tube, and then rotates through the meshing transmission teeth 1 and 2, driving the clamping plate to fit and clamp the inner wall of the conical tube, and performs a third horizontal alignment clamping on the conical tube, which is fixed by means of the fixed pressure plate. The triple progressive alignment clamping ensures the clamping of the horizontal position of the axis of the conical tube, avoids deviation in the clamping and drilling of the conical tube, solves the problem of deviation in the clamping and drilling of the conical tube in the existing equipment, and prevents deviation in the clamping and drilling of the conical tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present application is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is an axonometric diagram of a steel pipe drilling device.

[0020] Figure 2 It is a main cross-sectional view of a steel pipe drilling device.

[0021] Figure 3 It is a left sectional view of a steel pipe drilling device.

[0022] Figure 4 The invention is an axonometric diagram of a support seat in a steel pipe drilling device.

[0023] Figure 5 The present invention is a partial cross-sectional view of a conveying member in a steel pipe drilling device.

[0024] Figure 6 It is a main cross-sectional view of a steel pipe drilling device when initially aligning a tapered pipe.

[0025] Figure 7 The main cross-sectional view of a steel pipe drilling device when a fixing plate fixes a conical pipe.

[0026] Figure 8 The present invention is a partial cross-sectional view of an alignment component 1 and an alignment component 2 in a steel pipe drilling device when aligning a tapered pipe.

[0027] Fig. 9 It is a partial cross-sectional view of a steel pipe drilling device with an auxiliary positioning mechanism added.

[0028] Fig.10 It is a partial cross-sectional view of a steel pipe drilling device with a stabilizing mechanism added. DETAILED DESCRIPTION

[0029] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0033] Embodiment 1: Figure 1-8 As shown, a steel pipe drilling device comprises: A base 1 is provided with a movable groove; a driving member 2 is provided at the left end of the base 1; a driving member 2 is provided at the upper part of the right end of the base 1; a transmission component 5 is provided between the driving member 2 and the driving member 27; a fixed pressure plate 3 is provided on the base 1, the fixed pressure plate 3 is penetrated by the transmission component 5, and the fixed pressure plate 3 is used to fix the left end of the conical tube 8.

[0034] Conveying member 4, conveying member 4 is arranged on base 1, conveying member 4 is penetrated by transmission component 1 5, conveying member 4 is used for placing and conveying conical tube 8; alignment and clamping mechanism 6, alignment and clamping mechanism 6 comprises: shell 64, shell 64 is arranged above the right end of base 1, shell 64 is sleeved on driving member 2 7, and limiting grooves are arranged on both sides of the left end of shell 64; limiting movable plate, the limiting movable plate is arranged at the left end of shell 64, driving member 3 is arranged at the upper end of the limiting movable plate, driving member 4 633 is arranged at the lower end, and transmission component 2 penetrating the limiting movable plate is arranged between driving member 3 and driving member 4 633.

[0035] An alignment component 61 is arranged at the left end of the limit movable plate. The alignment component 61 includes: a top pad 611, which is arranged at the left end of the limit movable plate. The top pad 611 is used to cooperate with the limit groove and the transmission component 2 to move up and down; a driving motor 615, which is arranged at the upper end of the top pad 611. A transmission tooth 613 is arranged in the driving motor. The driving motor 615 is used to control the rotation of the transmission tooth 613; a clamping plate 612, which is arranged at the left end of the transmission motor 1. The clamping plate 612 and the transmission motor 1 are connected through the transmission tooth 614. The transmission tooth 613 and the transmission tooth 614 are meshed. The clamping plate 612 is used to align and clamp the two ends of the conical tube 8 and align and clamp the inner wall of the conical tube 8 as the transmission tooth 613 rotates.

[0036] Alignment component two 632, alignment component two 632 is exactly the same as alignment component one 61, and alignment component two 632 is a downward mirror image setting of alignment component one 61.

[0037] The conical tube 8 is placed and conveyed by the conveying member 4. During the conveying process, the top pad 611 is used to perform preliminary alignment of the horizontal position of the conical tube 8. Then, the clamping plate 612 is moved up and down through the transmission component 2, and the right end of the conical tube 8 is aligned and clamped for the second time. Then, the meshing transmission teeth 1 613 and the transmission teeth 2 614 are rotated to drive the clamping plate 612 to fit and clamp the inner wall of the conical tube 8, and the conical tube 8 is horizontally aligned and clamped for the third time. The fixed plate 3 is used to fix it. The triple progressive alignment clamping ensures the clamping of the horizontal position of the axis of the conical tube 8, avoids the deviation of the clamping drilling of the conical tube 8, solves the problem of deviation of the clamping drilling of the conical tube 8 in the existing equipment, and can prevent the deviation of the clamping drilling of the conical tube 8.

[0038] The conveying member 4 includes: a moving seat 44, which is arranged on the base 1, the bottom of the moving seat 44 cooperates with the moving groove, and an annular groove is arranged above the moving seat 44; a multi-layer sleeve 43, which is arranged on the moving seat 44 and is arranged at the center of the annular groove; a support seat 41, which is arranged above the multi-layer sleeve 43, and the support seat 41 is used to support the conical tube 8, and a limiting groove corresponding to the annular groove is arranged at the bottom end of the support seat 41; a compression spring 42, which is sleeved on the outside of the multi-layer sleeve 43, and the two ends of the compression spring 42 are respectively fixed in the limiting groove and the annular groove.

[0039] The multi-layer sleeve 43 is composed of a plurality of sleeves, the diameters of the sleeves increase from bottom to top, and the sleeves can be telescoped up and down.

[0040] By arranging the multi-layer sleeve 43 between the movable seat 44 and the supporting seat 41, when the conical tube 8 is initially aligned, the multi-layer sleeve 43 can be extended and retracted to cooperate with the conical tube 8 to move up and down, so that the right end face of the conical tube 8 is more closely fitted to the top pad 611, and the horizontal position of the initial alignment of the conical tube 8, the subsequent alignment and clamping and fixing are more accurate. Finally, the drilling of the conical tube 8 is also more accurate, which further solves the problem of deviation in the clamping and drilling of the conical tube 8 by the existing equipment, and can make the clamping and drilling of the conical tube 8 less likely to deviate.

[0041] The upper end of the support seat 41 is provided with a trapezoidal groove running through front and back and a triangular groove running through left and right. The trapezoidal groove and the triangular groove cooperate with each other to make the placement of the tapered tube 8 on the support seat 41 more stable, further increasing the accuracy of the initial alignment.

[0042] Equidistant cushion blocks 441 are provided on both sides of the right end of the movable seat 44 .

[0043] The transmission component 1 5 includes a transmission screw 1 51 and a transmission screw 2 52 . There are two transmission screws 2 52 , which are symmetrically arranged on both sides of the transmission screw 1 51 . The transmission screw 1 51 is used for the left and right movement of the conveying member 4 , and the transmission screw 2 52 is used for the movement of the fixed pressure plate 3 .

[0044] The movable groove is a cross groove, the limiting groove is a T-shaped groove, and the upper end surface of the clamping plate 612 is provided with an arc-shaped protrusion. The cross groove and the T-shaped groove further increase the stability of the tapered tube 8 during the movement process to avoid deviation. The arc-shaped protrusion can better fit the inner wall surface of the tapered tube 8, increase the accuracy of alignment and clamping, and further solve the problem of deviation in the clamping drilling of the tapered tube 8 of the existing equipment, so that the clamping drilling of the tapered tube 8 will not deviate.

[0045] Embodiment 2: Fig. 9 As shown, based on the first embodiment, this embodiment makes further improvements to the alignment component 61: Auxiliary positioning mechanism 9, the auxiliary positioning mechanism 9 is arranged above the driving motor 615, and the auxiliary positioning mechanism 9 includes: The second driving motor 92 is disposed above the first driving motor 615, and a sliding groove is disposed in the second driving motor 92; The positioning component 91 is arranged in the sliding groove. The positioning component 91 includes a movable part 914, a receiving part 913, a fixed part 912 and a connecting part 911. The movable part 914 is arranged at the right end of the fixed part 912. The movable part 914 and the fixed part 912 are connected by the receiving part 913. The connecting part 911 is arranged at the left end of the fixed part 912.

[0046] By means of the auxiliary positioning mechanism 9 provided on the driving motor 615, after the tapered tube 8 is aligned, clamped and fixed, the positioning assembly 91 moves to the left along the sliding groove and then moves downward, and the fixing portion 912 can rotate around the receiving portion 913 to fit the outer surface of the tapered tube 8. After fitting, the drilling template can be installed to the connecting portion 911 according to the position and size of the drilling hole, thereby increasing the accuracy of drilling the tapered tube and avoiding the occurrence of errors, further solving the problem of deviation in the clamping and drilling of the tapered tube 8 by the existing equipment, and making it possible to prevent the clamping and drilling of the tapered tube 8 from deviation.

[0047] Embodiment 3: Fig.10 As shown, based on the second embodiment, the fixed pressing plate 3 of this embodiment is further improved: The stabilizing mechanism 10 is arranged at the right end of the fixed pressing plate 3, and the stabilizing mechanism 10 includes: The driving motor 3 101 is arranged in the fixed pressing plate 3; The first stabilizing member 102 is disposed at the right end of the driving motor 101. The first stabilizing member 102 includes a moving block and a pressure pad 1021. The moving block is divided into a moving portion 914 and a connecting portion. The pressure pad 1021 is disposed on the connecting portion. The pressure pad 1021 is made of elastic material; The second stabilizing member 103 is the same as the first stabilizing member 102 , and the second stabilizing member 103 is disposed below the first stabilizing member 102 in a mirror image.

[0048] By arranging a stabilizing mechanism 10 on the fixed pressure plate 3, after the conical tube 8 is aligned, clamped and fixed, the driving motor 3 101 is started to control the first stabilizing member 102 and the second stabilizing member 103 to further stabilize the upper and lower end surfaces of the left end of the conical tube 8. The elastic material is rubber, gel, composite material, etc. The sealing pad 1021 made of elastic material increases the contact area with the inner wall of the conical tube 8 and increases the clamping force, so that the conical tube 8 will not be displaced during the drilling process, avoiding the occurrence of drilling errors, further solving the problem of deviation in the clamping and drilling of the conical tube 8 by the existing equipment, and can make the clamping and drilling of the conical tube 8 less likely to deviate.

[0049] Embodiment 4: Figure 1-10 As shown, based on the third embodiment, this embodiment further provides a method for using the steel pipe drilling device, including: Placing, placing the tapered tube 8 on the conveying member 4; During the initial alignment, the conveying member 4 moves to the right along with the transmission assembly 5, and the right end of the tapered tube 8 presses against the top pad 611, so that the tapered tube 8 maintains a preliminary horizontal position; Secondary alignment and clamping: the top pad 611 moves to the upper position along with the second transmission assembly, and the pressing plate 612 further aligns and clamps the right end of the tapered tube 8; The third alignment and clamping, the driving motor 1 615 controls the transmission gear 1 613 to rotate, and the transmission gear 2 614 rotates accordingly, driving the pressing plate 612 to fit the inner wall of the tapered tube 8 for alignment and clamping; The fixed pressing plate 3 moves to the right along with the transmission assembly, pressing the left end of the tapered tube 8 tightly, and fixing the tapered tube 8; Drilling: drilling is performed on the tapered tube 8 after the fixation is completed.

[0050] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A steel pipe drilling device, comprising: A base, wherein a movable groove is provided on the base; A driving member 1, wherein the driving member 1 is arranged at the left end of the base; A second driving member, the second driving member is arranged above the right end of the base; A transmission component 1, wherein the transmission component 1 is disposed between the driving member 1 and the driving member 2; A fixed pressing plate, which is arranged on the base and is penetrated by the transmission assembly, and is used to fix the left end of the tapered tube; The invention is characterized in that the conveying member is arranged on the base, the conveying member is penetrated by the transmission assembly, and the conveying member is used for placing and conveying the tapered tube; The alignment and pressing mechanism comprises: A shell, the shell is arranged above the right end of the base, the shell is sleeved on the second driving member, and limiting grooves are arranged on both sides of the left end of the shell; A limit movable plate, the limit movable plate is arranged at the left end of the shell, a driving member 3 is arranged at the upper end of the limit movable plate, a driving member 4 is arranged at the lower end of the limit movable plate, and a transmission component 2 penetrating the limit movable plate is arranged between the driving member 3 and the driving member 4; Alignment component 1, the alignment component 1 is arranged at the left end of the limit movable plate, and the alignment component 1 includes: A top pad, which is arranged at the left end of the limit movable plate and is used to cooperate with the limit slot and the second transmission component to move up and down; A driving motor 1, wherein the driving motor 1 is arranged at the upper end of the top pad portion, a transmission tooth 1 is arranged inside the driving motor, and the driving motor 1 is used to control the rotation of the transmission tooth 1; A clamping plate, the clamping plate is arranged at the left end of the transmission motor 1, the clamping plate and the transmission motor 1 are connected through the transmission gear 2, the transmission gear 1 and the transmission gear 2 are meshed, and the clamping plate is used to align and clamp the two ends of the tapered tube and align and clamp the inner wall of the tapered tube as the transmission gear 1 rotates; Alignment component two, the alignment component two is exactly the same as the alignment component one, and the alignment component two is a downward mirror image setting of the alignment component one.

2. A steel pipe drilling device according to claim 1, characterized in that: The conveying member comprises: A movable seat, wherein the movable seat is arranged on the base, the bottom of the movable seat cooperates with the movable groove, and an annular groove is arranged on the top of the movable seat; A multi-layer sleeve, the multi-layer sleeve is arranged on the movable seat and at the center of the annular groove; A support seat, the support seat is arranged above the multi-layer sleeve, the support seat is used to support the tapered tube, and a limiting groove corresponding to the annular groove is arranged at the bottom end of the support seat; A compression spring is sleeved on the outside of the multi-layer sleeve, and two ends of the compression spring are respectively fixed in the limiting groove and the annular groove.

3. A steel pipe drilling device according to claim 2, characterized in that: The upper end of the support seat is provided with a trapezoidal groove penetrating front and back and a triangular groove penetrating left and right.

4. A steel pipe drilling device according to claim 2, characterized in that: The multi-layer sleeve is composed of a plurality of sleeves, the diameters of the sleeves increase from bottom to top, and the sleeves can be telescoped up and down.

5. A steel pipe drilling device according to claim 2, characterized in that: Equidistant cushion blocks are arranged on both sides of the right end of the movable seat.

6. A steel pipe drilling device according to claim 1, characterized in that: The transmission component 1 includes a transmission screw 1 and a transmission screw 2. The transmission screw 2 is provided with two transmission screws, and the transmission screws 2 are symmetrically arranged on both sides of the transmission screw 1. The transmission screw 1 is used for the left and right movement of the conveying member, and the transmission screw 2 is used for the movement of the fixed pressure plate.

7. A steel pipe drilling device according to claim 1, characterized in that: The moving groove is a cross groove.

8. A steel pipe drilling device according to claim 1, characterized in that: The limiting groove is a T-shaped groove.

9. A steel pipe drilling device according to claim 1, characterized in that: The upper end surface of the pressing plate is provided with an arc-shaped protrusion.

10. A method for using a steel pipe drilling device, characterized in that: A steel pipe drilling device applied to any one of claims 1 to 9, wherein the method for using the steel pipe drilling device comprises: Placing, placing the conical tube on the conveying member; During the initial alignment, the conveying member moves rightward along with the transmission assembly, and the right end of the tapered tube presses against the top pad, so that the tapered tube maintains a preliminary horizontal position; Secondary alignment and clamping, the top pad moves to the upper position along with the second transmission assembly, and the pressing plate further aligns and clamps the right end of the tapered tube; Three times of alignment and clamping, the driving motor 1 controls the transmission tooth 1 to rotate, and the transmission tooth 2 rotates accordingly, driving the pressing plate to fit the inner wall of the tapered tube for alignment and clamping; The fixed pressing plate moves to the right along with the transmission assembly, pressing the left end of the tapered tube tightly to fix the tapered tube; Drilling: Drill holes in the tapered tube after fixation.

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