CN113458446B - Perforating device for seamless steel pipe and perforating method thereof - Google Patents

Perforating device for seamless steel pipe and perforating method thereof Download PDF

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Publication number
CN113458446B
CN113458446B CN202110696737.1A CN202110696737A CN113458446B CN 113458446 B CN113458446 B CN 113458446B CN 202110696737 A CN202110696737 A CN 202110696737A CN 113458446 B CN113458446 B CN 113458446B
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seamless steel
steel pipe
fixing
sliding
driving
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CN113458446A (en
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徐虎
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Daye Xinye Special Steel Co ltd
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Daye Xinye Special Steel Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
    • B23Q1/46—Movable or adjustable work or tool supports using particular mechanisms with screw pairs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02—Driving main working members
    • B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

The invention discloses a perforating device for a seamless steel pipe and a perforating method thereof, relates to the relevant field of seamless steel pipes, and aims to solve the problems that the whole working process is complicated and time-consuming because a perforating structure is reset, and then blanking and loading are carried out again after a single seamless steel pipe is completely perforated by the existing perforating device. The utility model discloses a steel pipe fixing device, including middle fixed frame, first seamless steel pipe fixed unit, first carousel, central drive gear and first seamless steel pipe fixed subassembly, central drive gear is located a plurality of first seamless steel pipe fixed subassembly's inboard, and the inboard that is connected of fixed riser is installed to the inside one side fixedly connected with fixed riser of middle fixed frame, the inside opposite side of middle fixed frame is provided with the slip riser, first drive rotation motor is installed in the outside of fixed riser, first seamless steel pipe fixed unit is installed to the inboard of fixed riser, first seamless steel pipe fixed unit includes first carousel, and first carousel rotates with fixed riser inboard to be connected, central drive gear and first seamless steel pipe fixed subassembly are installed to the opposite side of first carousel, and central drive gear is located a plurality of first seamless steel pipe fixed subassembly's inboard.

Description

Perforating device for seamless steel pipe and perforating method thereof
Technical Field
The invention relates to the field of seamless steel pipes, in particular to a perforating device and a perforating method for a seamless steel pipe.
Background
Steel pipes made of one piece of metal without seams on the surface are called seamless steel pipes. Due to the subsequent multifunctional use of seamless steel pipes, it is necessary to perform processing, such as piercing, cutting, etc., on the seamless steel pipes.
The existing automatic perforating equipment is used for fixing a single seamless steel pipe, a fixed perforating structure moves to be matched with the seamless steel pipe to rotate for perforating, the perforating structure resets after perforating, the perforating equipment is used for removing the fixation of the seamless steel pipe, and new seamless steel pipes are added again for carrying out the next repeated perforating operation.
After all the holes on a single seamless steel pipe are punched, the punching structure is reset, and then the blanking and the loading are carried out again, so that the whole working process is relatively complicated and time-consuming, a plurality of seamless steel pipes can be directly arranged at one time, the seamless steel pipes are processed together at the same position by the punching structure, and the next punching processing is carried out by moving the post-punching structure, so that the punching efficiency is improved, and the uniformity of the punching positions of the seamless steel pipes is improved; therefore, the market urgently needs to develop a perforating device for the seamless steel pipe and a perforating method thereof to help people solve the existing problems.
Disclosure of Invention
The invention aims to provide a perforating device for a seamless steel pipe and a perforating method thereof, and aims to solve the problems that the whole working process is complicated and time-consuming because a perforating structure is reset, and then blanking and loading are carried out again after the existing perforating device provided in the background technology perforates all single seamless steel pipes.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a perforating device for seamless steel pipe, includes middle fixed frame, the inside one side fixedly connected with fixed riser of middle fixed frame, the inside opposite side of middle fixed frame is provided with the slip riser, first drive rotation motor is installed in the outside of fixed riser, first seamless steel pipe fixing unit is installed to the inboard of fixed riser, first seamless steel pipe fixing unit includes first carousel, and first carousel rotates with fixed riser inboard to be connected, central drive gear and first seamless steel pipe fixing component are installed to the opposite side of first carousel, and central drive gear is located a plurality of first seamless steel pipe fixing component's inboard, the output axle head that first drive rotated the motor passes fixed riser and first carousel and is connected with central drive gear, first seamless steel pipe fixing component includes driven gear portion, and first seamless steel pipe fixing component passes through driven gear portion and central drive gear meshing, second drive rotation motor is installed in the outside of slip riser, the inboard of slip riser is provided with second seamless steel pipe fixing unit, second seamless steel pipe fixing unit includes the second carousel, and second carousel inboard rotation connection with the slip riser, the output that second drive motor rotated passes the output axle head and second carousel is connected, the inboard of slip riser.
Preferably, be provided with the tube seat on the fixed subassembly of first seamless steel pipe, the tube seat is the annular, medial extremity in the middle of the tube seat is provided with down the briquetting, and the longitudinal section of lower briquetting sets up to "protruding" shape, and lower briquetting bulge's outer wall and tube seat inner wall sliding connection, the outside end fixedly connected with pressure spring of briquetting is followed down to the tube seat inside, there is the compact heap medial extremity of briquetting down through rotation axis connection, the inboard of compact heap is provided with the protrusion portion that compresses tightly.
Preferably, a second fixing groove is formed in the second rotary table, and a ball is mounted on the inner wall of the second fixing groove.
Preferably, the subassembly is fixed to second seamless steel pipe includes middle fixed part, and middle fixed part rotates with the second carousel to be connected, the outside of middle fixed part is connected with the rotation fixed part through the pivot, rotates the fixed part and is provided with a plurality ofly, rotates the fixed part and passes through the bolt fastening with middle fixed part, and middle fixed part is with a plurality ofly rotate and form first fixed slot between the fixed part, first fixed slot corresponds with second fixed slot position.
Preferably, supporting vertical plates are arranged on two sides of the middle fixing frame, the upper ends of the supporting vertical plates are fixedly connected with a supporting top plate, an upper driving sliding screw rod is installed at the upper end between the two supporting vertical plates, and a second driving sliding motor is installed on one side of each supporting vertical plate along one side of the upper driving sliding screw rod.
Preferably, the outside of going up drive slip lead screw is provided with the sliding block, and the sliding block slides along the terminal surface under the supporting roof, the centre of sliding block lower extreme is provided with the rotating sleeve, and the rotating sleeve passes through the bearing with the sliding block and rotates and be connected, the inside of rotating sleeve is provided with the perforation nail, and the perforation nail passes through threaded connection with the rotating sleeve.
Preferably, a lower driving sliding screw rod is arranged inside the middle fixed frame and is in threaded connection with the sliding vertical plate, a first driving sliding motor is arranged on one side of the middle fixed frame along one side of the lower driving sliding screw rod, a limiting sliding groove is formed in the sliding vertical plate, the sliding vertical plate slides in the middle fixed frame, and a supporting bottom plate is fixedly connected to the lower end of the middle fixed frame.
A method of perforating comprising the steps of:
the method comprises the following steps: opening a rotating fixing part on the second seamless steel tube fixing assembly, enabling the plurality of seamless steel tubes to penetrate through the first fixing groove and be arranged in the second fixing groove, and fixing the middle fixing part and the rotating fixing part through bolts;
step two: the first driving sliding motor drives the lower driving sliding screw rod to rotate, and the sliding vertical plate slides along the inside of the middle fixing frame until the other end of the seamless steel tube is contacted with the first seamless steel tube fixing unit;
step three: the first driving sliding motor drives the lower driving sliding screw rod to continue rotating, the sliding vertical plate pushes the seamless steel tube to slide towards the position of the first seamless steel tube fixing assembly, the other end of the seamless steel tube presses the lower pressing block, the lower pressing block slides in the tube slot, the pressure spring is compressed, the pressing blocks on the two sides press towards the tube wall direction of the seamless steel tube, and the first seamless steel tube fixing unit and the second seamless steel tube fixing unit finish fixing the seamless steel tube;
step four: the second driving sliding motor and the motors in the sliding blocks work, the perforating nails perforate the seamless steel pipes, the second driving rotating motor drives the second rotating disc to rotate, the second seamless steel pipe fixing unit drives the seamless steel pipes to rotate together until the next seamless steel pipe rotates to the upper end, the perforating nails perforate the seamless steel pipes, and the operation is repeated until the perforation of the seamless steel pipes at the same position is completed;
step five: the first driving rotating motor drives the central driving gear to rotate, the central driving gear drives the driven gear part of the first seamless steel tube fixing assembly to rotate, the plurality of first seamless steel tube fixing assemblies drive the seamless steel tubes to respectively rotate, the plurality of seamless steel tubes rotate together, the next perforation position is rotated to the upper end, and the fourth step is repeated to complete perforation;
step six: and C, completing the perforation of the single circle positions of the seamless steel pipes, driving the upper driving sliding screw rod to rotate by the second driving sliding motor, driving the perforation nail to move to the next single circle perforation position, and repeating the fourth step and the fifth step until all the fixed seamless steel pipes are perforated.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, a second driving sliding motor and a motor in a sliding block work, a perforating nail perforates a seamless steel pipe, a second driving rotating motor drives a second turntable to rotate, a second seamless steel pipe fixing unit drives a plurality of seamless steel pipes to rotate together until the next seamless steel pipe rotates to the upper end, and the perforating nail perforates the seamless steel pipe; first drive rotates motor drive center drive gear and rotates, and center drive gear meshes with the driven gear portion of the fixed subassembly of first seamless steel pipe, and center drive gear drives the fixed subassembly of first seamless steel pipe and rotates, and a plurality of first seamless steel pipe fixed subassemblies drive seamless steel pipe and rotate respectively, and a plurality of seamless steel pipes rotate jointly, rotate next perforation position to the upper end, perforate. Drive structure through seamless steel pipe both sides drives a plurality of seamless steel pipe whole rotations and respectively pivoted measure, can carry out the perforation of fixing a position fast to seamless steel pipe, remove many times that will perforate the nail and reset and carry out resource integration, the perforation time has been practiced thrift, the efficiency of perforating is improved, the present perforating device is solved and is accomplished the whole back of perforating of single seamless steel pipe, the perforation structure resets, unloading and material loading again, whole working process is comparatively loaded down with trivial details, and comparatively consuming time problem.
2. In the invention, a rotating fixing part on a second seamless steel tube fixing component is opened, a plurality of seamless steel tubes penetrate through a first fixing groove and are arranged in a second fixing groove, and then a middle fixing part and the rotating fixing part are fixed through bolts, so that one end of each seamless steel tube is quickly fixed; when the sliding vertical plate pushes the seamless steel tube to slide to the first seamless steel tube fixing assembly, the other end of the seamless steel tube presses the downward pressing block, the downward pressing block slides in the tube slot, the pressure spring is compressed, the pressing blocks on the two sides press towards the tube wall direction of the seamless steel tube, the other end of the seamless steel tube is fixed through pressure, the first seamless steel tube fixing unit can directly complete the fixation of the seamless steel tube without additional fixing steps, and the fixation of a plurality of seamless steel tubes is relatively simple and rapid; during blanking, the second seamless steel pipe fixing component drives the seamless steel pipe to be far away from the first seamless steel pipe fixing component, and the fixation of one end is directly released; the feeding and discharging of the seamless steel pipes are simple and quick, and the preparation time of punching work is saved.
3. In the seamless steel pipe fixing device, a second fixing groove is formed in the position, corresponding to a first fixing groove of a second seamless steel pipe fixing assembly, of a second turntable, balls are arranged on the wall of the second fixing groove, when a first driving rotating motor drives a center driving gear to rotate, the center driving gear drives a driven gear portion of the first seamless steel pipe fixing assembly to rotate, and when a plurality of first seamless steel pipe fixing assemblies drive seamless steel pipes to rotate respectively, the other side of each seamless steel pipe rotates under the action of the balls, so that the seamless steel pipes rotate smoothly.
In the invention, the driving motor in the sliding block drives the rotating sleeve to rotate, so that the perforation nail connected with the rotating sleeve through the thread moves up and down in a rotating way, thereby directly carrying out perforation depth control and perforation work without the matching work of an additional up-and-down moving driving structure, and reducing the use of driving equipment.
Drawings
FIG. 1 is a front view of a piercing apparatus for a seamless steel pipe according to the present invention;
FIG. 2 is a front view of a first seamless steel tube fixing assembly, a first rotating disc and a fixing vertical plate of the perforating device for seamless steel tubes according to the present invention;
FIG. 3 is a sectional view of a first seamless steel pipe fixing unit of the piercing apparatus for a seamless steel pipe according to the present invention;
FIG. 4 is a front view of a second seamless steel tube fixing unit, a second turntable and a sliding vertical plate of the perforating device for seamless steel tubes according to the present invention;
FIG. 5 is a schematic view showing the connection relationship between the second turntable and the sliding vertical plate of the piercing device for seamless steel tubes according to the present invention;
FIG. 6 is a schematic view showing the overall structure of a second seamless steel pipe fixing unit of the piercing apparatus for a seamless steel pipe according to the present invention.
In the figure: 1. a support base plate; 2. a middle fixed frame; 3. a lower driving sliding screw rod; 4. a first driving slide motor; 5. supporting a vertical plate; 6. supporting a top plate; 7. an upper driving sliding screw rod; 8. a second driving slide motor; 9. a slider; 10. rotating the sleeve; 11. punching a nail; 12. fixing the vertical plate; 13. a first driving rotation motor; 14. a first seamless steel pipe fixing unit; 15. sliding the vertical plate; 16. a second driving rotating motor; 17. a second seamless steel pipe fixing unit; 18. a first turntable; 19. a center drive gear; 20. a first seamless steel tube fixing component; 21. a driven gear portion; 22. a pipe groove; 23. pressing the block; 24. a pressure spring; 25. a compression block; 26. a protruding pressing part; 27. a second turntable; 28. a second seamless steel tube fixing component; 29. a first fixing groove; 30. a limiting sliding groove; 31. a second fixing groove; 32. a ball bearing; 33. an intermediate fixing portion; 34. the fixed part is rotated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, an embodiment of the present invention is shown: a perforating device for seamless steel pipes comprises a middle fixed frame 2, a supporting bottom plate 1 is fixedly connected at the lower end of the middle fixed frame 2, a fixed vertical plate 12 is fixedly connected at one side inside the middle fixed frame 2, a sliding vertical plate 15 is arranged at the other side inside the middle fixed frame 2, a first driving rotating motor 13 is arranged at the outer side of the fixed vertical plate 12, a first seamless steel pipe fixing unit 14 is arranged at the inner side of the fixed vertical plate 12, the first seamless steel pipe fixing unit 14 comprises a first rotating disc 18, the first rotating disc 18 is rotatably connected with the inner side of the fixed vertical plate 12, a center driving gear 19 and a first seamless steel pipe fixing component 20 are arranged at the other side of the first rotating disc 18, the center driving gear 19 is positioned at the inner sides of the plurality of first seamless steel pipe fixing components 20, the output shaft end of the first driving rotating motor 13 penetrates through the fixed vertical plate 12 and the first rotating disc 18 to be connected with the center driving gear 19, the first seamless steel tube fixing component 20 comprises a driven gear part 21, the first seamless steel tube fixing component 20 is meshed with a central driving gear 19 through the driven gear part 21, the first driving rotating motor 13 drives the central driving gear 19 to rotate, the central driving gear 19 drives the driven gear part 21 of the first seamless steel tube fixing component 20 to rotate, a plurality of first seamless steel tube fixing components 20 drive seamless steel tubes to respectively rotate, the seamless steel tubes rotate together, a tube slot 22 is arranged on the first seamless steel tube fixing component 20, the tube slot 22 is annular, a lower pressing block 23 is arranged at the inner side end of the middle of the tube slot 22, the longitudinal section of the lower pressing block 23 is in a convex shape, the outer wall of the convex part of the lower pressing block 23 is in sliding connection with the inner wall of the tube slot 22, a certain space is reserved at the upper end of the lower pressing block 23, and a pressure spring 24 is fixedly connected to the inner part of the tube slot 22 along the outer side end of the lower pressing block 23, the inner side end of the lower pressing block 23 is connected with a pressing block 25 through a rotating shaft, the other end of the seamless steel tube presses the lower pressing block 23, the lower pressing block 23 slides in the tube groove 22, the pressure spring 24 is compressed, the pressing blocks 25 on the two sides are pressed towards the tube wall direction of the seamless steel tube, a protruding pressing part 26 is arranged on the inner side of the pressing block 25, and the protruding pressing part 26 can ensure that the seamless steel tube can be pressed and fixed under the condition that the tube wall of the seamless steel tube is thick; a second driving rotating motor 16 is installed on the outer side of the sliding vertical plate 15, a second seamless steel tube fixing unit 17 is installed on the inner side of the sliding vertical plate 15, the second seamless steel tube fixing unit 17 comprises a second rotary table 27, a second fixing groove 31 is formed in the second rotary table 27, balls 32 are installed on the inner wall of the second fixing groove 31, when the first driving rotating motor 13 drives the center driving gear 19 to rotate, the center driving gear 19 drives the driven gear part 21 of the first seamless steel tube fixing assembly 20 to rotate, when the plurality of first seamless steel tube fixing assemblies 20 drive the seamless steel tubes to rotate respectively, the other side of the seamless steel tubes rotates under the action of the balls 32 to enable the seamless steel tubes to rotate smoothly, the second rotary table 27 is connected with the inner side of the sliding vertical plate 15 in a rotating manner, the output shaft end of the second driving rotating motor 16 penetrates through the sliding vertical plate 15 to be connected with the second rotary table 27, the second seamless steel tube fixing assembly 28 is installed on the inner side of the second rotary table 27, the second seamless steel pipe fixing assembly 28 comprises a middle fixing part 33, the middle fixing part 33 is rotatably connected with the second rotary table 27, a plurality of rotation fixing parts 34 are connected with the outer side of the middle fixing part 33 through a rotary shaft, the rotation fixing parts 34 are provided, the rotation fixing parts 34 and the middle fixing part 33 are fixed through bolts, a first fixing groove 29 is formed between the middle fixing part 33 and the rotation fixing parts 34, the first fixing groove 29 corresponds to the second fixing groove 31, the rotation fixing part 34 on the second seamless steel pipe fixing assembly 28 is opened, a plurality of seamless steel pipes can penetrate through the first fixing groove 29 and be arranged in the second fixing groove 31, then the middle fixing part 33 and the rotation fixing part 34 are fixed through bolts, one end of the seamless steel pipes is fixed, but the side does not respectively control and drive the rotation of the seamless steel pipes, so that the seamless steel pipes are not displaced after being fixed, it does not need to be pressed firmly so that it cannot rotate.
Furthermore, supporting vertical plates 5 are arranged on two sides of the middle fixing frame 2, the upper ends of the supporting vertical plates 5 are fixedly connected with a supporting top plate 6, an upper driving sliding screw rod 7 is arranged at the upper end between the two supporting vertical plates 5, a sliding block 9 is arranged on the outer side of the upper driving sliding screw rod 7, a driving motor is arranged inside the sliding block 9, the sliding block 9 slides along the lower end face of the supporting top plate 6, a rotating sleeve 10 is arranged in the middle of the lower end of the sliding block 9, the rotating sleeve 10 is rotatably connected with the sliding block 9 through a bearing, a punching nail 11 is arranged inside the rotating sleeve 10, the punching nail 11 is connected with the rotating sleeve 10 through a thread, a second driving sliding motor 8 is arranged on one side of the supporting vertical plates 5 along one side of the upper driving sliding screw rod 7, after the punching of the single-circle positions of the plurality of seamless steel pipes is completed, the second driving sliding motor 8 drives the upper driving sliding screw rod 7 to rotate to drive the punching nail 11 to move to the next single-circle punching position, and the punching action is repeated until all the plurality of fixed seamless steel pipes are completely punched; the inside of middle fixed frame 2 is provided with down drive slip lead screw 3, and lower drive slip lead screw 3 passes through threaded connection with slip riser 15, and first drive slip motor 4 is installed along one side of lower drive slip lead screw 3 to one side of middle fixed frame 2, and drive slip lead screw 3 rotates under the drive of first drive slip motor 4, is provided with spacing sliding tray 30 on the slip riser 15, and slip riser 15 slides in middle fixed frame 2.
A method of perforating comprising the steps of:
the method comprises the following steps: opening the rotation fixing part 34 of the second seamless steel pipe fixing assembly 28, placing a plurality of seamless steel pipes into the second fixing groove 31 through the first fixing groove 29, and fixing the intermediate fixing part 33 and the rotation fixing part 34 through bolts;
step two: the first driving sliding motor 4 drives the sliding screw rod 3 to rotate, and the sliding vertical plate 15 slides along the inside of the middle fixing frame 2 until the other end of the seamless steel tube is contacted with the first seamless steel tube fixing unit 14;
step three: the first driving sliding motor 4 drives the sliding screw rod 3 to continue rotating, the sliding vertical plate 15 pushes the seamless steel tube to slide towards the position of the first seamless steel tube fixing component 20, the other end of the seamless steel tube presses the downward pressing block 23, the downward pressing block 23 slides in the tube slot 22, the pressure spring 24 is compressed, the pressing blocks 25 on the two sides compress towards the tube wall direction of the seamless steel tube, and the first seamless steel tube fixing unit 14 and the second seamless steel tube fixing unit 17 finish fixing the seamless steel tube;
step four: the second driving sliding motor 8 and the motors in the sliding blocks 9 work, the perforating nails 11 perforate the seamless steel pipes, then the second driving rotating motor 16 drives the second rotating disc 27 to rotate, the second seamless steel pipe fixing unit 17 drives the seamless steel pipes to rotate together until the next seamless steel pipe rotates to the upper end, the perforating nails 11 perforate the seamless steel pipes, and the operation is repeated until the perforation of the same position of the fixed seamless steel pipes is completed;
step five: the first driving rotating motor 13 drives the central driving gear 19 to rotate, the central driving gear 19 drives the driven gear part 21 of the first seamless steel tube fixing component 20 to rotate, the plurality of first seamless steel tube fixing components 20 drive the seamless steel tubes to respectively rotate, the plurality of seamless steel tubes rotate together, the next perforation position is rotated to the upper end, and the fourth step is repeated to complete perforation;
step six: and (4) completing the perforation of the single circle positions of the seamless steel pipes, driving the upper driving sliding screw rod 7 to rotate by the second driving sliding motor 8, driving the perforation nail 11 to move to the next single circle perforation position, and repeating the fourth step and the fifth step until all the fixed seamless steel pipes are perforated.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (2)

1. The utility model provides a perforating device for seamless steel pipe, includes middle fixed frame (2), its characterized in that: a fixed vertical plate (12) is fixedly connected to one side inside the middle fixed frame (2), a sliding vertical plate (15) is arranged on the other side inside the middle fixed frame (2), a first driving rotating motor (13) is installed on the outer side of the fixed vertical plate (12), a first seamless steel pipe fixing unit (14) is installed on the inner side of the fixed vertical plate (12), the first seamless steel pipe fixing unit (14) comprises a first rotating disc (18), the first rotating disc (18) is rotatably connected with the inner side of the fixed vertical plate (12), a center driving gear (19) and a first seamless steel pipe fixing component (20) are installed on the other side of the first rotating disc (18), the center driving gear (19) is located on the inner sides of the first seamless steel pipe fixing components (20), the output shaft end of the first driving rotating motor (13) penetrates through the fixed vertical plate (12) and the first rotating disc (18) to be connected with the center driving gear (19), the first seamless steel pipe fixing component (20) comprises a driven vertical plate (21), the first seamless steel pipe fixing component (20) is meshed with the center vertical plate (19) through the driven gear (21), a second sliding steel pipe fixing unit (15) is installed on the outer side of the sliding vertical plate (15), the second seamless steel pipe fixing unit (17) comprises a second rotary table (27), the second rotary table (27) is rotatably connected with the inner side of the sliding vertical plate (15), the output shaft end of the second driving rotating motor (16) penetrates through the sliding vertical plate (15) to be connected with the second rotary table (27), and a second seamless steel pipe fixing assembly (28) is installed on the inner side of the second rotary table (27); a pipe groove (22) is formed in the first seamless steel pipe fixing component (20), the pipe groove (22) is annular, a lower pressing block (23) is arranged at the inner side end of the middle of the pipe groove (22), the longitudinal section of the lower pressing block (23) is in a convex shape, the outer wall of the protruding portion of the lower pressing block (23) is in sliding connection with the inner wall of the pipe groove (22), a pressure spring (24) is fixedly connected to the inner portion of the pipe groove (22) along the outer side end of the lower pressing block (23), the inner side end of the lower pressing block (23) is connected with a pressing block (25) through a rotating shaft, and a protruding pressing portion (26) is arranged on the inner side of the pressing block (25); a second fixing groove (31) is formed in the second rotating disc (27), and balls (32) are mounted on the inner wall of the second fixing groove (31); the second seamless steel pipe fixing assembly (28) comprises a middle fixing part (33), the middle fixing part (33) is rotatably connected with the second rotary table (27), the outer side of the middle fixing part (33) is connected with a plurality of rotating fixing parts (34) through a rotating shaft, the rotating fixing parts (34) are fixed with the middle fixing part (33) through bolts, a first fixing groove (29) is formed between the middle fixing part (33) and the plurality of rotating fixing parts (34), and the first fixing groove (29) corresponds to the second fixing groove (31); supporting vertical plates (5) are arranged on two sides of the middle fixed frame (2), the upper ends of the supporting vertical plates (5) are fixedly connected with a supporting top plate (6), an upper driving sliding screw rod (7) is arranged at the upper end between the two supporting vertical plates (5), and a second driving sliding motor (8) is arranged on one side of each supporting vertical plate (5) along one side of the upper driving sliding screw rod (7); a sliding block (9) is arranged on the outer side of the upper driving sliding screw rod (7), the sliding block (9) slides along the lower end face of the supporting top plate (6), a rotating sleeve (10) is arranged in the middle of the lower end of the sliding block (9), the rotating sleeve (10) is rotatably connected with the sliding block (9) through a bearing, a perforated nail (11) is arranged inside the rotating sleeve (10), and the perforated nail (11) is connected with the rotating sleeve (10) through threads; the inside of middle fixed frame (2) is provided with down drive slip lead screw (3), and lower drive slip lead screw (3) passes through threaded connection with slip riser (15), first drive slide motor (4) are installed along one side of lower drive slip lead screw (3) to one side of middle fixed frame (2), be provided with spacing sliding tray (30) on slip riser (15), slip riser (15) slide in middle fixed frame (2), the lower extreme fixedly connected with supporting baseplate (1) of middle fixed frame (2).
2. A perforating method, which is realized by the perforating device for the seamless steel tube according to claim 1, is characterized by comprising the following steps:
the method comprises the following steps: opening the rotary fixing part (34) on the second seamless steel tube fixing assembly (28), enabling a plurality of seamless steel tubes to penetrate through the first fixing groove (29) to be placed in the second fixing groove (31), and fixing the middle fixing part (33) and the rotary fixing part (34) through bolts;
step two: the first driving sliding motor (4) drives the sliding screw rod (3) to rotate, and the sliding vertical plate (15) slides along the inside of the middle fixing frame (2) until the other end of the seamless steel pipe is contacted with the first seamless steel pipe fixing unit (14);
step three: the first driving sliding motor (4) drives the lower driving sliding screw rod (3) to continuously rotate, the sliding vertical plate (15) pushes the seamless steel tube to slide to the position of the first seamless steel tube fixing assembly (20), the other end of the seamless steel tube presses the lower pressing block (23), the lower pressing block (23) slides in the tube groove (22), the pressure spring (24) is compressed, the pressing blocks (25) on the two sides compress the tube wall direction of the seamless steel tube, and the first seamless steel tube fixing unit (14) and the second seamless steel tube fixing unit (17) complete the fixing of the seamless steel tube;
step four: the second driving sliding motor (8) and the sliding block (9) are internally provided with motors to work, the seamless steel pipes are punched by the punching nails (11), the second driving rotating motor (16) drives the second turntable (27) to rotate, the second seamless steel pipe fixing unit (17) drives the seamless steel pipes to rotate together until the next seamless steel pipe rotates to the upper end, the punching nails (11) punch the seamless steel pipes, and the operation is repeated until the punching of the same position of the fixed seamless steel pipes is completed;
step five: the first driving rotating motor (13) drives the center driving gear (19) to rotate, the center driving gear (19) drives the driven gear part (21) of the first seamless steel tube fixing component (20) to rotate, the plurality of first seamless steel tube fixing components (20) drive the seamless steel tubes to rotate respectively, the plurality of seamless steel tubes rotate together, the next punching position is rotated to the upper end, and the fourth step is repeated to complete punching;
step six: and finishing the perforation of a plurality of seamless steel pipe single-circle positions, driving an upper driving sliding screw rod (7) to rotate by a second driving sliding motor (8) to drive a perforation nail (11) to move to the next single-circle perforation position, and repeating the fourth step and the fifth step until all the fixed seamless steel pipes are perforated.
CN202110696737.1A 2021-06-23 2021-06-23 Perforating device for seamless steel pipe and perforating method thereof Active CN113458446B (en)

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