Seamless steel tube cutting and fixing device

Abstract

A seamless steel pipe cutting and fixing device comprises a cutting table, a lifting driving screw rod, an upper protective cover and a lower supporting table, an adjusting screw rod mounting groove and supporting frame bearing rods are arranged in the lower supporting table, the adjusting screw rod mounting groove is located in the middle, and the supporting frame bearing rods are distributed on the two sides of the adjusting screw rod mounting groove; the first supporting frame and the second supporting frame are symmetrically arranged in the lower supporting table, the bottom of the first supporting frame and the bottom of the second supporting frame are each provided with a two-way screw connecting table and a bearing rod connecting block, the two-way screw connecting tables are located in the middle, and the bearing rod connecting blocks are distributed on the two sides of the two-way screw connecting tables. According to the seamless steel pipe positioning device, the follow-up positioning operation is facilitated, meanwhile, the positioned position is more accurate, meanwhile, the staggered connecting blocks slide in the staggered connecting grooves, the steel pipe bearing rollers on the two sides can be overlapped to a certain degree, the device can still effectively position thin seamless steel pipes, and the fixing effect is better.

Description

Technical Field

[0001] The utility model relates to the field of seamless steel pipe cutting, in particular to a seamless steel pipe cutting and fixing device. Background Art

[0002] The existing patent (publication number: CN220782421U) proposes a seamless steel pipe cutting and fixing device, which includes a cutting box, a processing box is fixedly connected to the bottom of the cutting box, and air pipes for blowing dust are symmetrically arranged on the upper half of the inner cavity of the cutting box. An inclined plate is fixedly connected to the inner wall of one side of the processing box. A guide plate is fixedly installed on the bottom of the inner cavity of the processing box and on one side of the inclined plate. A diverter block is engaged with the side of the inclined plate facing the guide plate, and multiple atomizing nozzles are evenly installed on one side of the diverter block. However, this device "at this time drives two pads to move in opposite directions through two first hydraulic cylinders to clamp the two ends of the seamless steel pipe." The two pads are arranged inside the cutting box, which limits the movement range of the pads, so that this device can only cut steel pipes of a specific length, which limits the processing range of this device. Summary of the Invention

[0003] In response to the above-mentioned deficiencies in the prior art, the utility model provides a seamless steel pipe cutting and fixing device which is capable of cutting a seamless steel pipe by operating the lifting and lowering of the cutting table. Both ends of the lower support table and the upper protective cover are open-type in design, so that seamless steel pipes of any length can be freely inserted into the interior of the steel pipe fixing mechanism. At the same time, when the steel pipe driving motor drives the upper pressing wheel to rotate, the seamless steel pipe can be driven to extend and extend to any length, thereby facilitating the cutting of seamless steel pipes of various lengths, making processing more convenient, and achieving a better fixing effect.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A seamless steel pipe cutting and fixing device comprises a cutting table, a lifting drive screw, an upper protective cover, a lower support table, a two-way adjusting screw, a No. 1 support frame, a No. 2 support frame, a pressure wheel connecting table, a steel pipe driving motor, a seamless steel pipe, an upper pressure wheel, a cutting drive motor, a cutting wheel, a steel pipe bearing roller, and a positioning and mounting screw. The lower support table is provided with an adjusting screw mounting groove and a support frame bearing rod inside. The adjusting screw mounting groove is in a central position. The support frame bearing rods are distributed on both sides of the adjusting screw mounting groove. The No. 1 support frame and the No. 2 support frame are symmetrically arranged inside the lower support table. The No. 1 support frame and the No. 2 support frame are both provided with a two-way screw connecting table and a bearing rod connecting block at the bottom. The two-way screw connecting table is in a central position. The bearing rod connecting blocks are distributed on the two-way screw connecting On both sides of the platform, the load-bearing rod connecting blocks are adapted to the load-bearing rods of the support frame, the load-bearing rod connecting blocks are connected to the load-bearing rods of the support frame, the load-bearing rod connecting blocks slide on the outside of the load-bearing rods of the support frame, and two-way adjusting screws are provided on both sides, and two-way screw handles are provided at the end of the two-way adjusting screws, and the two-way adjusting screws are rotatably connected to the adjusting screw mounting grooves, and the two-way threads located on both sides of the two-way adjusting screws are threadedly connected to the two-way screw connecting platforms of the No. 1 support frame and the No. 2 support frame. A No. 1 V-shaped platform is provided on the top of the No. 1 support frame, and the No. 1 V-shaped platform is rotatably connected to the steel pipe load-bearing roller, and a No. 2 support frame is provided on the top of the No. 2 V-shaped platform, and the No. 2 V-shaped platform is rotatably connected to the steel pipe load-bearing roller, and the steel pipe load-bearing roller connected to the No. 2 V-shaped platform is staggered with the steel pipe load-bearing roller connected to the No. 1 V-shaped platform 22.

[0006] The inner side of the No. 1 V-shaped platform is provided with a staggered connection block, the inner side of the No. 2 V-shaped platform is provided with a staggered connection groove, the staggered connection block is adapted to the staggered connection groove, the staggered connection block is connected to the staggered connection groove, the staggered connection block slides inside the staggered connection groove, the seamless steel pipe is placed on the upper part of the steel pipe bearing roller array group, the top of the lower support platform is provided with a lower rotating connection block and a lower positioning screw platform, the lower rotating connection block and the lower positioning screw platform are respectively distributed on both sides of the lower support platform, the bottom of the upper protective cover is provided with an upper rotating connection block and an upper positioning screw platform, the upper rotating connection block and the upper positioning screw platform are respectively distributed on the upper On both sides of the protective cover, the upper rotating connecting block is rotatably connected with the lower rotating connecting block, the upper positioning screw platform is provided with an upper positioning screw groove, the lower positioning screw platform is provided with a lower positioning screw groove, the top of the positioning mounting screw is provided with a positioning screw handle, the middle of the positioning mounting screw is threadedly connected to the upper positioning screw groove, the bottom of the positioning mounting screw is threadedly connected to the lower positioning screw groove, the top of the upper protective cover is provided with a lifting screw platform and a lifting positioning slide, the lifting screw platform is in the center position, the lifting positioning slides are distributed on both sides of the lifting screw platform, and the top of the pressure wheel connecting platform is provided with a lifting positioning slide. Beneficial effects

[0007] 1. When the utility model performs seamless steel pipe cutting operations, the seamless steel pipes are sequentially inserted into the steel pipe fixing mechanisms on both sides, and the cutting wheel is used to cut the seamless steel pipe by operating the lifting and lowering of the cutting table. Both ends of the lower support table and the upper protective cover are open-type designs, so that seamless steel pipes of any length can be freely inserted into the steel pipe fixing mechanism. At the same time, when the steel pipe driving motor drives the upper pressing wheel to rotate, the seamless steel pipe can be driven to extend and extend to any length, which is convenient for cutting seamless steel pipes of various lengths, making processing more convenient and covering a wide range of processing.

[0008] 2. The steel pipe bearing rollers of the utility model are arranged in a V-shaped staggered manner, so that the position of the seamless steel pipe is automatically centered when it is placed on the steel pipe bearing roller array group, which is convenient for subsequent positioning operations. At the same time, the position after positioning is more accurate. At the same time, the staggered connecting blocks slide inside the staggered connecting grooves, so that the steel pipe bearing rollers on both sides can overlap to a certain extent, so that this device can still effectively position thinner seamless steel pipes, and the fixing effect is better.

[0009] 3. The surface of the upper pressing wheel of the utility model is an arc surface composed of multiple arcs, so that the contact surface of the upper pressing wheel is larger when pressing on the seamless steel pipe, and the upper pressing wheel is more stable when pressing on the upper part of the seamless steel pipe, and the fixing effect is better.

[0010] 4. The bidirectional screw connecting platform of the utility model is connected with the bidirectional thread by threaded connection. The threaded connection has good self-locking properties, so that the No. 1 support frame and the No. 2 support frame will not be easily moved due to external force after positioning, so that the seamless steel pipe will not be easily moved during the cutting process, the fixing effect is good, and the stability during the cutting process is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a structural schematic diagram of a seamless steel pipe cutting and fixing device described in the utility model.

[0012] Figure 2 This is a diagram of the internal structure of a seamless steel pipe cutting and fixing device described in the utility model.

[0013] Figure 3 This is a partial front cross-sectional view of a seamless steel pipe cutting and fixing device described in the present utility model.

[0014] Figure 4 This is a diagram of the cutting table installation state described in the present utility model.

[0015] Figure 5 This is a structural schematic diagram of the pressure wheel connecting platform described in the present utility model.

[0016] Figure 6 This is a structural schematic diagram of the No. 1 support frame described in the present utility model.

[0017] Figure 7This is a structural schematic diagram of the No. 2 support frame described in the present utility model. DETAILED DESCRIPTION

[0018] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments:

[0019] Example 1:

[0020] A seamless steel pipe cutting and fixing device includes a cutting table 2, a lifting drive screw 4, an upper protective cover 7, a lower support table 12, a two-way adjustment screw 16, a No. 1 support frame 18, a No. 2 support frame 19, a pressure wheel connecting table 26, a steel pipe drive motor 28, a seamless steel pipe 29, an upper pressure wheel 32, a cutting drive motor 36, a cutting wheel 37, a steel pipe bearing roller 39, and a positioning installation screw 45. The lower support table 12 has an adjusting screw mounting groove 15 and a support frame bearing rod 14 inside. The adjusting screw mounting groove 15 is in the center position, and the support frame bearing rods 14 are distributed on both sides of the adjusting screw mounting groove 15. The No. 1 support frame 18 and the No. 2 support frame 19 is symmetrically arranged inside the lower support platform 12. The bottom of the No. 1 support frame 18 and the No. 2 support frame 19 are both provided with a bidirectional screw connecting platform 21 and a load-bearing rod connecting block 20. The bidirectional screw connecting platform 21 is in the center position. The load-bearing rod connecting blocks 20 are distributed on both sides of the bidirectional screw connecting platform 21. The load-bearing rod connecting blocks 20 are adapted to the support frame load-bearing rod 14. The load-bearing rod connecting blocks 20 are connected to the support frame load-bearing rod 14. The load-bearing rod connecting blocks 20 slide on the outside of the support frame load-bearing rod 14. There are bidirectional threads 40 on both sides of the bidirectional adjustment screw 16. The end of the bidirectional thread 40 has a bidirectional screw handle 17. The bidirectional adjustment screw 16 is rotated with the adjustment screw mounting groove 15 Dynamic connection, the two-way threads 40 on both sides of the two-way adjustment screw 16 are respectively threadedly connected to the two-way screw connecting platform 21 of the No. 1 support frame 18 and the No. 2 support frame 19, and the two-way screw connecting platform 21 and the two-way thread 40 are threadedly connected. The threaded connection has good self-locking properties, so that the No. 1 support frame 18 and the No. 2 support frame 19 will not be easily moved due to external force after positioning is completed, so that the seamless steel pipe 29 will not be easily moved during the cutting process, and the fixing effect is good, ensuring stability during the cutting process. The top of the No. 1 support frame 18 is provided with a No. 1 V-shaped platform 22, and the No. 1 V-shaped platform 22 is rotatably connected to the steel pipe bearing roller 39, and the steel pipe bearing roller 39 is V-shaped and staggered Arrangement, so that the position of the seamless steel pipe 29 is automatically centered when it is placed on the steel pipe bearing roller 39 array group, which is convenient for subsequent positioning operations, and the position after positioning is more accurate. At the same time, the staggered connection block 25 slides inside the staggered connection groove 24, so that the steel pipe bearing rollers 39 on both sides can overlap to a certain extent, so that this device can still effectively position the thinner seamless steel pipe 29, and the fixing effect is better. The top of the No. 2 support frame 19 is provided with a No. 2 V-shaped platform 23, and the No. 2 V-shaped platform 23 is rotatably connected to the steel pipe bearing roller 39. The steel pipe bearing roller 39 connected to the No. 2 V-shaped platform 23 is staggered with the steel pipe bearing roller 39 connected to the No. 1 V-shaped platform 22.

[0021] Example 2:

[0022] The utility model is provided with a staggered connecting block 25 on the inner side of the No. 1 V-shaped table 22, and a staggered connecting groove 24 on the inner side of the No. 2 V-shaped table 23. The staggered connecting block 25 is adapted to the staggered connecting groove 24, and the staggered connecting block 25 is connected to the staggered connecting groove 24. The staggered connecting block 25 slides inside the staggered connecting groove 24, and the seamless steel pipe 29 is placed on the upper part of the steel pipe bearing roller 39 array group. When the seamless steel pipe cutting operation is performed, the seamless steel pipe 29 is sequentially extended into the steel pipe fixing mechanism 1 on both sides, and the cutting wheel 37 is operated by lifting and lowering the cutting table 2 to cut the seamless steel pipe 29. Both ends of the lower support platform 12 and the upper protective cover 7 are open-type designs, so that seamless steel pipes 29 of any length can be freely extended into the steel pipe fixing mechanism 1. At the same time, when the steel pipe driving motor 28 drives the upper pressing wheel 32 to rotate, the seamless steel pipe 29 can be driven to extend and extend to any length, which is convenient for cutting seamless steel pipes 29 of various lengths, and the processing is more convenient and the processing range is wide. The upper portion has a lower rotating connection block 13 and a lower positioning screw platform 41, which are respectively distributed on both sides of the lower support platform 12. The bottom of the upper protective cover 7 has an upper rotating connection block 11 and an upper positioning screw platform 43, which are respectively distributed on both sides of the upper protective cover 7. The upper rotating connection block 11 is rotatably connected to the lower rotating connection block 13. The upper positioning screw platform 43 has an upper positioning screw groove 44 inside. The lower positioning screw platform 41 There is a lower positioning screw groove 42 inside, a positioning screw handle 46 on the top of the positioning installation screw 45, the middle of the positioning installation screw 45 is threadedly connected to the upper positioning screw groove 44, and the bottom of the positioning installation screw 45 is threadedly connected to the lower positioning screw groove 42. The top of the upper protective cover 7 is provided with a lifting screw platform 3 and a lifting positioning slide 10. The lifting screw platform 3 is in the center position, and the lifting positioning slide 10 is distributed on both sides of the lifting screw platform 3. The top of the pressure wheel connecting platform 26 is provided with a lifting positioning slide 6.

[0023] Example 3:

[0024] The lifting positioning slide rod 6 of the utility model is adapted to the lifting positioning slide groove 10, the lifting positioning slide rod 6 is connected to the lifting positioning slide groove 10, the lifting positioning slide rod 6 slides inside the lifting positioning slide groove 10, the middle of the pressure wheel connecting platform 26 is provided with a lifting screw connecting groove 30, the bottom of the lifting drive screw 4 is provided with a lifting screw connecting block 31, the lifting screw connecting block 31 is rotatably connected to the lifting screw connecting groove 30, the lifting drive screw 4 is threadedly connected to the lifting screw platform 3, the top of the lifting drive screw 4 is provided with a lifting screw handle 5, the pressure wheel There is a pressure wheel mounting groove 38 inside the connecting platform 26, and the pressure wheel mounting grooves 38 are distributed on both sides of the lifting screw connecting groove 30. The pressure wheel mounting groove 38 is rotatably connected to the upper pressure wheel 32. The surface of the upper pressure wheel 32 is an arc surface composed of multiple arcs, so that the contact area of ​​the upper pressure wheel 32 is larger when it is pressed on the seamless steel pipe 29, and the upper pressure wheel 32 is more stable when it is pressed on the upper part of the seamless steel pipe 29, and the fixing effect is better. The upper pressure wheel 32 is pressed on the upper part of the seamless steel pipe 29, and a steel pipe driving motor platform 27 is provided on the side of the pressure wheel connecting platform 26.

[0025] Example 4:

[0026] The steel pipe driving motor 28 described in the present invention is inserted into the steel pipe driving motor platform 27 and is fixed. The transmission shaft of the steel pipe driving motor 28 is fixedly connected to the upper pressure wheel 32. The lifting driving screw 4, the upper protective cover 7, the lower support platform 12, the two-way adjustment screw 16, the No. 1 support frame 18, the No. 2 support frame 19, the pressure wheel connecting platform 26, the steel pipe driving motor 28, the upper pressure wheel 32, the steel pipe bearing roller 39, and the positioning installation screw 45 together constitute a steel pipe fixing mechanism 1. The two groups of steel pipe fixing mechanisms 1 are symmetrically distributed. A cutting table positioning column 8 is provided on the top of the upper protective cover 7, and a cutting table positioning platform 9 is provided on both sides of the cutting table 2. The cutting table positioning platform 9 is adapted to the cutting table positioning column 8, and the cutting table positioning platform 9 is connected to the cutting table positioning column 8.

[0027] Example 5:

[0028] The cutting table positioning platform 9 of the present invention slides on the outside of the cutting table positioning column 8, and the cutting table positioning platform 9 is connected to the steel pipe fixing mechanism 1 by a spring. The top of the cutting table 2 is provided with a cutting drive handle 33, and the bottom of the cutting table 2 is provided with a cutting wheel connecting platform 34. The cutting wheel connecting platform 34 is rotatably connected to the cutting wheel 37. The side of the cutting wheel connecting platform 34 is provided with a cutting motor platform 35. The cutting drive motor 36 is inserted into the inside of the cutting motor platform 35 and fixed. The transmission shaft of the cutting drive motor 36 is fixedly connected to the cutting wheel 37.

[0029] Example 6:

[0030] The utility model installation steps are as follows: the No. 1 support frame 18 and the No. 2 support frame 19 are symmetrically arranged inside the lower support platform 12, the bearing rod connecting block 20 of the No. 1 support frame 18 and the No. 2 support frame 19 is sleeved on the outside of the support frame bearing rod 14 of the lower support platform 12, the staggered connecting block 25 of the No. 1 support frame 18 is inserted into the staggered connecting groove 24 of the lifting positioning slide 10, the No. 1 V-shaped platform 22 of the No. 1 support frame 18 is rotatably connected to the steel pipe bearing roller 39, the No. 2 V-shaped platform 23 of the No. 2 support frame 19 is rotatably connected to the steel pipe bearing roller 39, so that the steel pipe bearing rollers 39 on both sides are staggered, and the two-way adjustment screw 1 is inserted into the two-way adjustment screw 1 6 is rotatably connected to the adjusting screw mounting groove 15 of the lower support platform 12, so that the bidirectional thread 40 of the bidirectional adjusting screw 16 is threadedly connected to the bidirectional screw connecting platform 21 of the No. 1 support frame 18 and the No. 2 support frame 19, and the upper rotating connecting block 11 of the upper protective cover 7 is rotatably connected to the lower rotating connecting block 13 of the lower support platform 12, and the positioning mounting screw 45 is threadedly connected to the upper positioning screw groove 44 of the upper protective cover 7, and the bottom of the positioning mounting screw 45 is threadedly connected to the lower positioning screw groove 42 of the lower support platform 12, and the lifting and positioning slide rod 6 of the pressure wheel connecting platform 26 is inserted into the lifting and positioning slide groove of the upper protective cover 7 10 inside, the middle part of the lifting drive screw 4 is threadedly connected to the lifting screw platform 3 of the upper protective cover 7, the lifting screw connecting block 31 of the lifting drive screw 4 is rotatably connected to the lifting screw connecting groove 30 of the pressure wheel connecting platform 26, the upper pressure wheel 32 is rotatably connected to the pressure wheel mounting groove 38 of the pressure wheel connecting platform 26, the steel pipe drive motor 28 is inserted into the steel pipe drive motor platform 27 of the pressure wheel connecting platform 26 and fixed, the transmission shaft of the steel pipe drive motor 28 is fixedly connected to the upper pressure wheel 32, the lifting drive screw 4, the upper protective cover 7, the lower support platform 12, the two-way adjustment screw 16, the first support frame 18, the second The support frame 19, the pressure wheel connecting platform 26, the steel pipe drive motor 28, the upper pressure wheel 32, the steel pipe bearing roller 39, and the positioning installation screw 45 together constitute the steel pipe fixing mechanism 1. The two groups of steel pipe fixing mechanisms 1 are symmetrically arranged, and the cutting table positioning platform 9 of the cutting table 2 is placed on the outside of the cutting table positioning column 8 of the upper protective cover 7. The bottom of the cutting table positioning platform 9 is connected to the upper protective cover 7 through a spring, and the cutting wheel connecting platform 34 of the cutting table 2 is rotatably connected to the cutting wheel 37. The cutting drive motor 36 is inserted into the cutting motor platform 35 of the cutting table 2 and fixed, and the transmission shaft of the cutting drive motor 36 is fixedly connected to the cutting wheel 37.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A seamless steel pipe cutting and fixing device, characterized in that : It includes a cutting table (2), a lifting drive screw (4), an upper protective cover (7), a lower support table (12), a two-way adjustment screw (16), a No. 1 support frame (18), a No. 2 support frame (19), a pressure wheel connecting table (26), a steel pipe drive motor (28), a seamless steel pipe (29), an upper pressure wheel (32), a cutting drive motor (36), a cutting wheel (37), a steel pipe bearing roller (39), and a positioning installation screw (45). The lower support table (12) has an adjustment screw installation groove (15), a support frame bearing The carrier rod (14) and the adjusting screw mounting groove (15) are in the center position, the support frame carrier rod (14) is distributed on both sides of the adjusting screw mounting groove (15), the No. 1 support frame (18) and the No. 2 support frame (19) are symmetrically arranged inside the lower support platform (12), and the No. 1 support frame (18) and the No. 2 support frame (19) have a bidirectional screw connection platform (21) and a carrier rod connection block (20) at the bottom, the bidirectional screw connection platform (21) is in the center position, and the carrier rod connection block (20) is distributed on both sides of the bidirectional screw connection platform (21) , the bearing rod connecting block (20) is adapted to the supporting frame bearing rod (14), the bearing rod connecting block (20) is connected to the supporting frame bearing rod (14), the bearing rod connecting block (20) slides on the outside of the supporting frame bearing rod (14), the two-way adjustment screw (16) has a two-way thread (40) on both sides, the two-way thread (40) has a two-way screw handle (17), the two-way adjustment screw (16) is rotatably connected to the adjusting screw mounting groove (15), the two-way thread (40) on both sides of the two-way adjustment screw (16) is connected to the No. 1 support frame ( 18) and the bidirectional screw connecting platform (21) of the No. 2 support frame (19) are respectively threadedly connected, the top of the No. 1 support frame (18) is provided with a No. 1 V-shaped platform (22), the No. 1 V-shaped platform (22) is rotatably connected to the steel pipe bearing roller (39), the top of the No. 2 support frame (19) is provided with a No. 2 V-shaped platform (23), the No. 2 V-shaped platform (23) is rotatably connected to the steel pipe bearing roller (39), and the steel pipe bearing roller (39) connected to the No. 2 V-shaped platform (23) and the steel pipe bearing roller (39) connected to the No. 1 V-shaped platform (22) are arranged in an alternating manner.

2. A seamless steel pipe cutting and fixing device according to claim 1, characterized in that : The inner side of the No. 1 V-shaped platform (22) has a staggered connection block (25), the inner side of the No. 2 V-shaped platform (23) has a staggered connection groove (24), the staggered connection block (25) is adapted to the staggered connection groove (24), the staggered connection block (25) is connected to the staggered connection groove (24), the staggered connection block (25) slides inside the staggered connection groove (24), the seamless steel pipe (29) is placed on the upper part of the steel pipe bearing roller (39) array group, the top of the lower support platform (12) has a lower rotating connection block (13), a lower positioning screw platform (41), the lower rotating connection block (13), the lower positioning screw platform (41) are respectively distributed on both sides of the lower support platform (12), the bottom of the upper protective cover (7) has an upper rotating connection block (11), an upper positioning screw platform (43), the upper rotating connection block (11), the upper positioning screw platform (43) ) are respectively distributed on both sides of the upper protective cover (7), the upper rotating connecting block (11) is rotatably connected to the lower rotating connecting block (13), the upper positioning screw platform (43) has an upper positioning screw groove (44), the lower positioning screw platform (41) has a lower positioning screw groove (42), the top of the positioning installation screw (45) has a positioning screw handle (46), the middle of the positioning installation screw (45) is threadedly connected to the upper positioning screw groove (44), the bottom of the positioning installation screw (45) is threadedly connected to the lower positioning screw groove (42), the top of the upper protective cover (7) has a lifting screw platform (3) and a lifting positioning slide (10), the lifting screw platform (3) is in the center position, the lifting positioning slide (10) is distributed on both sides of the lifting screw platform (3), and the top of the pressure wheel connecting platform (26) has a lifting positioning slide (6).

3. A seamless steel pipe cutting and fixing device according to claim 2, characterized in that The lifting positioning slide rod (6) is adapted to the lifting positioning slide groove (10), the lifting positioning slide rod (6) is connected to the lifting positioning slide groove (10), the lifting positioning slide rod (6) slides inside the lifting positioning slide groove (10), the middle of the pressing wheel connecting platform (26) is provided with a lifting screw connecting groove (30), the bottom of the lifting drive screw rod (4) is provided with a lifting screw connecting block (31), the lifting screw connecting block (31) is rotatably connected to the lifting screw connecting groove (30), and the lifting drive screw rod (4 ) is threadedly connected to the lifting screw platform (3), the top of the lifting drive screw (4) is provided with a lifting screw handle (5), the interior of the pressure wheel connecting platform (26) is provided with a pressure wheel mounting groove (38), the pressure wheel mounting groove (38) is distributed on both sides of the lifting screw connecting groove (30), the pressure wheel mounting groove (38) is rotatably connected to the upper pressure wheel (32), the upper pressure wheel (32) is pressed on the upper part of the seamless steel pipe (29), and the side of the pressure wheel connecting platform (26) is provided with a steel pipe driving motor platform (27).

4. A seamless steel pipe cutting and fixing device according to claim 3, characterized in that The steel pipe drive motor (28) is inserted into the steel pipe drive motor platform (27) and fixed therein. The drive shaft of the steel pipe drive motor (28) is fixedly connected to the upper pressure wheel (32). The lifting drive screw (4), the upper protective cover (7), the lower support platform (12), the two-way adjustment screw (16), the No. 1 support frame (18), the No. 2 support frame (19), the pressure wheel connecting platform (26), the steel pipe drive motor (28), the upper pressure wheel (32), the steel pipe bearing roller (39), and the positioning installation screw (45) together constitute a steel pipe fixing mechanism (1). The two groups of steel pipe fixing mechanisms (1) are symmetrically distributed. The top of the upper protective cover (7) is provided with a cutting table positioning column (8). Both sides of the cutting table (2) are provided with a cutting table positioning platform (9). The cutting table positioning platform (9) is adapted to the cutting table positioning column (8). The cutting table positioning platform (9) is connected to the cutting table positioning column (8).

5. A seamless steel pipe cutting and fixing device according to claim 1, characterized in that The cutting table positioning platform (9) slides outside the cutting table positioning column (8), and the cutting table positioning platform (9) is connected to the steel pipe fixing mechanism (1) through a spring. The top of the cutting table (2) is provided with a cutting drive handle (33), and the bottom of the cutting table (2) is provided with a cutting wheel connecting platform (34). The cutting wheel connecting platform (34) is rotatably connected to the cutting wheel (37). The side of the cutting wheel connecting platform (34) is provided with a cutting motor platform (35). The cutting drive motor (36) is inserted into the cutting motor platform (35) and fixed. The transmission shaft of the cutting drive motor (36) is fixedly connected to the cutting wheel (37).

Images