CN220259340U

CN220259340U - Automatic reamer for large-caliber steel pipes

Info

Publication number: CN220259340U
Application number: CN202322010788.1U
Authority: CN
Inventors: 王建兴; 姜振海; 郑鸿达
Original assignee: Kangzeng Special Materials Group Co ltd
Current assignee: Kangzeng Special Materials Group Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2023-12-29
Anticipated expiration: 2033-07-27

Abstract

The utility model discloses an automatic large-caliber steel pipe reaming machine which comprises a machine body, wherein the machine body comprises a fixed table for placing a steel pipe, a truss is arranged above the machine body, a first manipulator and a second manipulator are horizontally and slidably connected on the truss, a core rod for penetrating the steel pipe is arranged on the machine body, a driving source for driving the core rod to horizontally move is arranged at one end of the machine body, a limit nut is connected with one end of the core rod far away from the driving source in a threaded manner, an inner die for penetrating an inner hole of the steel pipe is sleeved on the core rod, the first manipulator is used for clamping and mounting the limit nut, the second manipulator is used for clamping the inner die, the inner die is clamped and sleeved at one end of the core rod by means of the second manipulator, the limit nut is clamped and sleeved at the end of the core rod by means of the first manipulator, and then the limit nut is driven by means of a driving motor to rotate so as to complete mounting, manual carrying operation is not needed during the process, labor is saved, labor cost is reduced, and machining efficiency is effectively improved.

Description

Automatic reamer for large-caliber steel pipes

Technical Field

The utility model relates to the field of reamer, in particular to an automatic reamer for large-caliber steel pipes.

Background

The reamer is mainly used for equipment for expanding an inner hole of a steel pipe, namely the end part of the steel pipe is directly larger, the reamer is widely applied to the field of pipeline machining, when the reamer is used for reaming a steel pipe with a large pipe diameter, a cold drawing mode is generally adopted, the steel pipe is fixed in the actual machining process, then a plurality of internal molds with the outer diameters sequentially increased are prepared, a single internal mold is driven to sequentially pass through the steel pipe one by one so as to achieve the purpose of reaming, but because the internal mold is heavy, the problem of large workload exists in manual carrying operation, the machining efficiency is low, and the reamer is required to be further improved.

Disclosure of Invention

In order to further improve machining efficiency and reduce labor cost, the application provides an automatic large-caliber steel pipe reamer.

The application provides an automatic reamer of heavy-calibre steel pipe adopts following technical scheme:

the utility model provides an automatic reamer of heavy-calibre steel pipe, includes the organism, the organism is including the fixed station that supplies the steel pipe to place, the top of organism is provided with the truss, horizontal sliding connection has first manipulator and second manipulator on the truss, be provided with the plug that is used for passing the steel pipe on the organism, the one end of organism is provided with the actuating source that drives the plug horizontal migration, the one end threaded connection that the actuating source was kept away from to the plug has stop nut, cup jointed the centre gripping that is used for passing the steel pipe hole on the plug, stop nut is installed and removed to first manipulator, the second manipulator is used for the centre gripping.

Optionally, the first manipulator includes first lift jar, driving motor and first pneumatic clamping jaw, first lift jar sliding connection is on the truss, driving motor fixes the telescopic link at first lift jar, driving motor's drive shaft level is towards the plug setting, first pneumatic clamping jaw is fixed in driving motor's drive shaft.

Optionally, the second manipulator includes second lift jar and second pneumatic clamping jaw, second lift jar horizontal sliding connection is on the truss, second pneumatic clamping jaw sets up down and fixes on the telescopic link of second lift jar.

Optionally, the organism corresponds the fixed station top and is provided with the piece that compresses tightly that is used for pushing down the steel pipe, it includes briquetting and pneumatic cylinder to compress tightly the piece, the pneumatic cylinder is fixed on the organism, the briquetting is fixed on the piston rod of pneumatic cylinder, it is provided with a plurality ofly to compress tightly the piece along the length direction interval of steel pipe.

Optionally, the compact heap includes pedestal and briquetting, the pedestal is fixed on the piston rod of pneumatic cylinder, the briquetting is column and rotates to be connected on the pedestal, the diameter of briquetting increases gradually from the middle part to both ends, the bottom of briquetting forms the indent that supplies the steel pipe top to sink into.

Optionally, the organism sets up the stopper corresponding to the one end of fixed station, the vertical sliding connection of stopper is on the organism, the terminal surface that the stopper is used for the butt steel pipe blocks its axial displacement, be provided with the drive cylinder that drives the vertical slip of stopper on the organism.

Optionally, the middle part of the top surface of the workbench is provided with a concave groove, and the depth of the groove gradually decreases from the middle to two sides.

Optionally, one end that the fixed station was kept away from the drive source is provided with the brace table, brace table and fixed station all include the lift cylinder of mesa and bottom, lift cylinder drives the mesa and goes up and down.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the steel pipe is placed, the inner die is grabbed by the second manipulator and sleeved at one end of the core rod, the limit nut is grabbed by the first manipulator and sleeved at the end part of the core rod, then the limit nut is driven by the driving motor to rotate to finish installation, after the inner die passes through the whole steel pipe to finish reaming under the driving of the core rod, the disassembly of the limit nut is finished by the first manipulator, the disassembly of the inner die is finished by the second manipulator, manual carrying operation is not needed during the disassembly, labor is saved, labor cost is reduced, and machining efficiency is effectively improved;

2. the steel pipe is pressed and fixed by the pressing piece at the top, limiting in the axial direction is realized by the limiting block at the end part, the stability of the steel pipe is effectively improved, and the position of the steel pipe is ensured not to deviate in the reaming process;

3. the setting of concave part protects the top of steel pipe on the briquetting, avoids the briquetting to push down the circumstances that causes steel pipe top deformation, and the stability that the steel pipe was placed is improved to the setting of recess on the mesa on the one hand, and on the other hand also leaves the operation space for stop nut's rotation and is convenient for its rotation.

Drawings

Fig. 1 is an overall structural diagram of an embodiment of the present application.

Fig. 2 is a block diagram of a pressing block in an embodiment of the present application.

Fig. 3 is a block diagram of a table top and a steel pipe in an embodiment of the present application.

Reference numerals illustrate:

1. a body; 2. truss; 3. a fixed table; 4. a pressing member; 5. a core rod; 6. a driving source; 7. a limit nut; 8. an inner mold; 9. a placement table; 10. a first manipulator; 11. a second manipulator; 13. a first lifting cylinder; 14. a driving motor; 15. a first pneumatic jaw; 16. a second lifting cylinder; 17. a second pneumatic jaw; 18. a first origin point; 19. a second origin point; 20. a first unloading position; 21. a second die unloading position; 22. a hydraulic cylinder; 23. briquetting; 24. a base; 25. a block; 26. a limiting block; 27. a driving cylinder; 28. an inner concave portion; 29. a support table; 30. a table top; 31. a lifting oil cylinder; 32. a groove; 33. a driving wheel; 34. a pull rod; 35. and (3) a steel pipe.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses an automatic reamer for large-caliber steel pipes.

As shown in fig. 1, an automatic reamer for large-caliber steel pipes comprises a machine body 1 and a truss 2 above, wherein the machine body 1 comprises a fixing table 3 for placing and fixing a steel pipe 35, a pressing piece 4 for pressing the steel pipe 35 is arranged above the corresponding fixing table 3 on the machine body 1, a horizontal core rod 5 is further arranged on the machine body 1, the core rod 5 penetrates through the machine body 1 and is used for penetrating through the steel pipe 35, a driving source 6 connected with the core rod 5 is arranged at the right end of the machine body 1, and the driving source 6 can specifically drive the core rod 5 to move horizontally and axially by adopting an oil cylinder.

As shown in fig. 1, a limit nut 7 is disposed at one end of the mandrel 5 far away from the machine body 1, the limit nut 7 is in threaded connection with the mandrel 5, an inner die 8 is disposed between the limit nut 7 and the steel tube 35, the inner die 8 is sleeved on the mandrel 5, the inner die 8 is in a shape of a circular table with a small end face towards the steel tube 35, in actual use, the inner die 8 needs a plurality of inner dies with gradually increased outer diameters, a placement table 9 for placing the inner die 8 is disposed at the left side of the machine body 1, and the diameter of the large end face of the inner die 8 is larger than that of the inner hole of the steel tube 35.

As shown in fig. 1, a first manipulator 10 and a second manipulator 11 are slidably arranged on the truss 2, the movement of the first manipulator 10 and the second manipulator 11 can be realized by means of a structure of a motor and a roller, or can be realized by adopting a mode of combining a chain wheel with a chain, the first manipulator 10 is used for clamping and mounting and dismounting the limit nut 7, and the second manipulator 11 is used for clamping and mounting and dismounting the inner die 8; the first manipulator 10 comprises a first lifting cylinder 13, a driving motor 14 and a first pneumatic clamping jaw 15, wherein the first lifting cylinder 13 is connected to the truss 2 in a sliding way, the driving motor 14 is horizontally arranged and fixed on a telescopic rod of the first lifting cylinder 13, a driving shaft of the driving motor 14 is horizontally arranged towards the core rod 5, the first pneumatic clamping jaw 15 is fixed on the driving shaft of the driving motor 14 and driven to rotate by the driving shaft, and the first pneumatic clamping jaw 15 comprises two jaw bodies for clamping the limit nuts 7; the second manipulator 11 includes second lift jar 16 and second pneumatic clamping jaw 17, and second lift jar 16 top sliding connection is on truss 2, and second pneumatic clamping jaw 17 is fixed to be set up on the telescopic link of second lift jar 16, and second pneumatic clamping jaw 17 vertical orientation sets up and just possesses two claw bodies that are used for centre gripping 8 equally.

As shown in fig. 1, a first origin position 18 and a second origin position 19 are correspondingly arranged at the left end on the truss 2, a first unloading position 20 and a second unloading position 21 are correspondingly arranged at the right end of the truss 2, in an initial state, the first manipulator 10 is located at the first origin position 18, the second manipulator 11 is located at the second origin position 19, after hole expansion is completed, the first manipulator 10 moves to the first unloading position 20 to detach the limit nut 7, and the second manipulator 11 moves to the second unloading position 21 to detach and remove the inner mold 8.

As shown in fig. 1 and 2, the compressing element 4 comprises a hydraulic cylinder 22 and a pressing block 23, the hydraulic cylinder 22 is fixed on the machine body 1 and is used for driving the pressing block 23 to vertically lift to compress and loosen, the pressing block 23 is fixed on a piston rod of the hydraulic cylinder 22, and the compressing element 4 is provided with a plurality of compressing elements along the length direction of the steel pipe 35 at intervals, so that the stability of the steel pipe 35 placed on the fixed table 3 is improved, and the subsequent reaming is facilitated; simultaneously, one side of the machine body 1 facing to the end face of the steel pipe 35 is provided with a limiting block 26, the limiting block 26 is used for abutting one end of the steel pipe 35, which is far away from the limiting nut 7, the machine body 1 is provided with a driving cylinder 27 for driving the limiting cylinder to vertically lift, the steel pipe 35 is blocked from moving axially by means of the limiting block 26, the situation that the inner die 8 moves to drive the steel pipe 35 to move axially is avoided, and the situation that interference is avoided due to dislocation arrangement of the hydraulic cylinder 22, the first manipulator 10 and the second manipulator 11 in actual use is avoided.

As shown in fig. 1 and 2, the pressing block 23 includes a base 24 and a block 25, the base 24 is fixed on a telescopic rod of the hydraulic cylinder 22, wherein the block 25 is located in the base 24 and is rotationally connected with the base, the block 25 is integrally columnar, the diameters of the block 25 are gradually increased from the middle part to the two ends, further, a concave inner concave part 28 is formed at the bottom of the block 25, the top of the steel tube 35 is sunk in the concave part 28, the situation that the top of the steel tube 35 is stressed and deformed when the block 25 is pressed down is avoided, and a corresponding protection effect is played on the surface of the steel tube 35.

As shown in fig. 1 and 3, a supporting table 29 is arranged on one side, far away from the driving source 6, of the fixed table 3, the supporting table 29 and the fixed table 3 both comprise a table top 30 and a lifting oil cylinder 31 at the bottom, the lifting oil cylinder 31 is used for driving the table top 30 to vertically lift and adjust the height, the bottom of the driving source 6 is also provided with the lifting oil cylinder 31 for driving the lifting and adjusting height, the driving source 6 is connected with a pull rod 34 fixed with the core rod 5, the pull rod 34 drives the core rod 5 to move, when the pull rod 34 and the core rod 5 move towards the direction far away from the driving source 6, the driving source 6 and the core rod 5 can be driven to descend, the core rod 5 is abutted against the bottom wall of an inner hole of the steel pipe 35, so that the core rod 5 can stably move, and the core rod 5 is prevented from being in a suspended state for a long time to be bent; when the mandrel 5 needs to drive the inner die 8 to move, the mandrel 5 is lifted to the center of the steel pipe 35, and a good use state is maintained; the support table 29 can assist the mandrel 5, and when the inner die 8 and the limit nut 7 need to be mounted, the support table 29 can be lowered to reduce interference.

As shown in fig. 1 and 3, the middle of the top wall of the table top 30 is provided with a concave groove 32, the depth of the groove 32 gradually decreases from the middle to two sides, the groove 32 is used for sinking the bottom of the steel pipe 35, the stability of placing the steel pipe 35 is improved, a driving wheel 33 is arranged in the groove 32, the driving wheel 33 is rotationally connected in the table top 30, the top of the driving wheel 33 is abutted to the bottom wall of the steel pipe 35, a motor for driving the driving wheel 33 to rotate is connected on the driving wheel 33, so that the steel pipe 35 can be slowly driven to rotate in the reaming process, the reaming uniformity is improved, and the condition that the reaming is uneven due to machining errors is avoided.

The working principle of the embodiment of the application is as follows: firstly, a steel pipe 35 is placed on a fixed table 3, a compression piece 4 is driven to compress the steel pipe 35 by means of a hydraulic cylinder 22, a driving cylinder 27 synchronously drives a limiting block 26 to be located on one end face of the steel pipe 35, after a driving source 6 drives a mandrel to pass through the steel pipe 35, a second manipulator 11 clamps and sleeves an inner die 8 on one end of the mandrel, a first manipulator 10 clamps and sleeves a limiting nut 7 on one end of the mandrel, a driving motor 14 drives the limiting nut 7 to rotate to achieve screwing fixation, then the driving source 6 drives the mandrel to move, the inner die 8 is driven to pass through the steel pipe 35 during the driving process to achieve reaming, when the limiting nut 7 and the inner die 8 are respectively located in a first die unloading position 20 and a second die unloading position 21, the limiting nut 7 is grabbed and unloaded by means of the first manipulator 10 and moves back to a first original point 18, and a second manipulator 11 grabs and moves the inner die 8 to be placed on a placement table 9 and grabs another large-size inner die 8, and step-by-step reaming of the steel pipe 35 can be achieved automatically.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides an automatic reamer of heavy-calibre steel pipe, includes organism (1), its characterized in that: organism (1) is including supplying fixed station (3) that steel pipe (35) placed, the top of organism (1) is provided with truss (2), horizontal sliding connection has first manipulator (10) and second manipulator (11) on truss (2), be provided with on organism (1) and be used for passing core rod (5) of steel pipe (35), the one end of organism (1) is provided with driving source (6) that order about core rod (5) horizontal migration, one end threaded connection that driving source (6) was kept away from to core rod (5) has stop nut (7), cup joint centre gripping (8) that are used for passing steel pipe (35) hole on core rod (5), stop nut (7) are installed and removed in first manipulator (10) are used for the centre gripping, second manipulator (11) are used for centre gripping (8).

2. An automatic reamer for large-caliber steel pipes according to claim 1, wherein: the first manipulator (10) comprises a first lifting cylinder (13), a driving motor (14) and a first pneumatic clamping jaw (15), wherein the first lifting cylinder (13) is connected to the truss (2) in a sliding mode, the driving motor (14) is fixed to a telescopic rod of the first lifting cylinder (13), a driving shaft of the driving motor (14) is horizontally arranged towards the core rod (5), and the first pneumatic clamping jaw (15) is fixed to a driving shaft of the driving motor (14).

3. An automatic reamer for large-caliber steel pipes according to claim 1 or 2, wherein: the second manipulator (11) comprises a second lifting cylinder (16) and a second pneumatic clamping jaw (17), wherein the second lifting cylinder (16) is horizontally and slidably connected to the truss (2), and the second pneumatic clamping jaw (17) is arranged downwards and fixed on a telescopic rod of the second lifting cylinder (16).

4. An automatic reamer for large-caliber steel pipes according to claim 1, wherein: the machine body (1) is provided with a pressing piece (4) for pressing the steel pipe (35) above the corresponding fixed table (3), the pressing piece (4) comprises a pressing block (23) and a hydraulic cylinder (22), the hydraulic cylinder (22) is fixed on the machine body (1), the pressing block (23) is fixed on a piston rod of the hydraulic cylinder (22), and a plurality of pressing pieces (4) are arranged at intervals along the length direction of the steel pipe (35).

5. An automatic reamer for large-caliber steel pipes as claimed in claim 4, wherein: the briquetting (23) includes pedestal (24) and block (25), pedestal (24) are fixed on the piston rod of pneumatic cylinder (22), block (25) are column and rotate and connect on pedestal (24), the diameter of block (25) increases gradually from the middle part to both ends, the bottom of block (25) forms concave part (28) that supplies steel pipe (35) top to sink into.

6. An automatic reamer for large-caliber steel pipes according to claim 1, wherein: one end of the machine body (1) corresponding to the fixed table (3) is provided with a limiting block (26), the limiting block (26) is vertically and slidably connected to the machine body (1), the limiting block (26) is used for abutting against the end face of the steel pipe (35) to block the axial movement of the steel pipe, and a driving cylinder (27) for driving the limiting block (26) to vertically slide is arranged on the machine body (1).

7. An automatic reamer for large-caliber steel pipes according to claim 1, wherein: the middle part of the top surface of the fixed table (3) is provided with a concave groove (32), and the depth of the groove (32) is gradually reduced from the middle to two sides.

8. An automatic reamer for large-caliber steel pipes as claimed in claim 4, wherein: one end of the fixed table (3) far away from the driving source (6) is provided with a supporting table (29), the supporting table (29) and the fixed table (3) comprise a table top (30) and a lifting oil cylinder (31) at the bottom, and the lifting oil cylinder (31) drives the table top (30) to lift.