Steel pipe straightening device

Abstract

The utility model discloses a steel pipe straightening device which comprises a base, a plurality of supporting feet are fixedly arranged at the lower end of the base, a plurality of supporting columns are fixedly arranged at the upper end of the base, a top plate is fixedly arranged at the upper ends of the supporting columns, a vertical plate is arranged on one side of the base, a connecting part is fixedly arranged on one side of the vertical plate, and a center supporting column is fixedly arranged outside the connecting part. Straightening plates are arranged at the positions, corresponding to the center supporting column, of the upper end of the base and the lower end of the top plate, the lower ends of the straightening plates are fixedly connected with the base and the top plate correspondingly through first extrusion structures, and second extrusion structures are arranged at the ends, away from the straightening plates, of the base and the top plate. Fixing parts are fixedly arranged on the second extrusion structures, and the second extrusion structures are movably connected with the corresponding base and the top plate through moving structures; the steel pipe can be automatically input into the straightening machine to be straightened, and the steel pipe is straightened in place.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe processing, and more specifically to a steel pipe straightening device. Background Art

[0002] Steel pipes are prone to bending and deformation during processing, so they need to be aligned and straightened. Adjusting machines in traditional production, such as the steel pipe straightening machine with publication number CN204122522U in the prior art, require manual feeding of the steel pipe into the straightening machine, and need to be manually pushed in continuously, which increases the workload of the operation. In addition, the straightening machine only straightens the outside of the steel pipe. The steel pipe is a hollow structure. When no support is provided on the inside, the single outer squeezing force can easily cause the steel pipe to not be straightened in place. Therefore, the utility model proposes a steel pipe straightening device. Utility Model Content

[0003] The utility model aims to provide a steel pipe straightening device. The steel pipe can be automatically input into a straightening machine for straightening, and the steel pipe is straightened into place.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A steel pipe straightening device comprises a base, a plurality of supporting legs are fixedly provided at the lower end of the base, a plurality of supporting columns are fixedly provided at the upper end of the base, a top plate is fixedly provided at the upper end of the supporting columns, a vertical plate is provided at one side of the base, a connecting portion is fixedly provided at one side of the vertical plate, a central supporting column is fixedly provided outside the connecting portion, straightening plates are provided at positions corresponding to the central supporting column at the upper end of the base and the lower end of the top plate, the lower ends of the straightening plates are fixedly connected to the corresponding base and top plate through an extrusion structure 1, an extrusion structure 2 is provided at one end of the base and the top plate away from the straightening plate, a fixing portion is fixedly provided on the second extrusion structure, and the second extrusion structure is movably connected to the corresponding base and top plate through a movable structure.

[0006] By adopting the above technical solution, the utility model has the following advantages:

[0007] The arrangement of the central support column and the straightening plate of the utility model allows the inner side of the steel pipe to be supported by the central support column, and the steel pipe can be adjusted into place by repeated squeezing of the outer straightening plate. The arrangement of the fixed part and the movable structure of the utility model allows the movable structure to control the steel pipe to move toward the straightening plate for straightening when the fixed part fixes one end of the steel pipe, without the need for manual continuous feeding of the steel pipe, thereby reducing the manual workload.

[0008] Furthermore, a bottom plate is fixedly provided at the lower end of the vertical plate, a plurality of supporting columns are fixedly provided at the lower end of the bottom plate, rollers are provided at the lower ends of the supporting columns, the upper end surface of the bottom plate abuts against the lower end surface of the base, a limit block is fixedly provided at one end of the upper end of the bottom plate away from the vertical plate, a slider 1 is fixedly provided at both ends of the limit block, a limit groove is provided at the lower end of the base corresponding to the position of the limit block, a slide groove 1 is communicated with each other at both ends of the limit groove, and the limit block and the slider 1 are respectively clamped in the corresponding limit groove and slide groove 1.

[0009] By adopting the above technical solution, the utility model has the following advantages:

[0010] The arrangement of the rollers of the utility model enables the vertical plate to move to one side.

[0011] Furthermore, the connecting portion includes an external threaded column and an internal column, the external threaded column is provided with a column groove at one end close to the vertical plate, the inner column is located in the column groove, one end of the inner column is fixedly connected to the vertical plate, and sliders 2 are fixedly provided on both sides of the end of the inner column away from the vertical plate, and slide grooves 2 are provided at the positions of the column grooves corresponding to the slide grooves 2, and the slide grooves 2 are clamped in the corresponding slide grooves 2, and an internal threaded groove is provided at one end of the central support column close to the vertical plate, and the external threaded column is fixed to the central support column by threaded connection.

[0012] By adopting the above technical solution, the utility model has the following advantages:

[0013] The arrangement of the inner column of the utility model allows the inner column to be moved out when the length of the steel pipe is too long by moving the vertical plate, thereby extending the total length of the central support column, allowing the steel pipe to continue to move the vertical plate to achieve straightening of the steel pipe, effectively increasing the length of the steel pipe straightening device and improving practicality.

[0014] Furthermore, the straightening plate and the fixing part are both in a semi-arc shape, and bottom columns are provided on both sides of one end of the straightening plate away from each other and one end of the fixing part away from each other, and an embedded groove is provided on one end of the bottom column away from the straightening plate and the fixing part.

[0015] By adopting the above technical solution, the utility model has the following advantages:

[0016] The semi-arc shape of the utility model can effectively fix the steel pipe and straighten the steel pipe.

[0017] Furthermore, the extrusion structure 1 and the extrusion structure 2 respectively include panel 1 and panel 2, and the positions of panel 1 and panel 2 corresponding to the embedded groove are fixedly provided with clamping columns, the clamping columns are clamped in the embedded groove, both ends of the clamping columns are provided with spring grooves, a high-elastic spring is fixedly provided in the spring groove, a clamping block is fixedly provided at one end of the high-elastic spring away from the spring groove, and sliders 3 are fixedly provided on both sides of one end of the clamping block located on the inner side of the spring groove, the spring groove is provided with a slide groove 3 at the position corresponding to the slide groove 3, the slide block 3 is clamped in the corresponding slide groove 3, and the positions of the two ends of the embedded groove corresponding to the clamping block are provided with clamping grooves, and the clamping block is clamped in the corresponding clamping groove.

[0018] By adopting the above technical solution, the utility model has the following advantages:

[0019] The arrangement of the clamping column and the clamping block of the utility model enables the bottom column to be taken out and installed by squeezing the clamping block into the spring groove, so that the size of the straightening plate and the fixing part can be replaced according to the size of the steel pipe, so that the steel pipes of different sizes can be straightened, thereby increasing practicality.

[0020] Furthermore, a plurality of connecting columns are provided on the side of panel 1 and panel 2 away from the clamping column, and a cylinder device 1 is fixedly provided at the upper end of the top plate and the lower end of the base corresponding to the positions of the connecting columns on panel 1, and the moving end of the cylinder device 1 passes through the top plate and the base and is fixedly connected to the corresponding connecting column.

[0021] By adopting the above technical solution, the utility model has the following advantages:

[0022] The cylinder device of the utility model is arranged to drive the panel to move toward the center repeatedly, so that the straightening plate can repeatedly squeeze the steel pipe to achieve the straightening of the steel pipe.

[0023] Furthermore, the movable structure includes a movable block, the base and the top plate are provided with through grooves, the movable block is located on the inner side of the through groove, and a cylinder device 2 is fixedly provided on the end of the movable block away from the panel 2, and the movable end of the cylinder device 2 passes through the movable block and is fixedly connected to the corresponding connecting column on the panel 2.

[0024] By adopting the above technical solution, the utility model has the following advantages:

[0025] The arrangement of the second cylinder device of the utility model plays a role in driving the two panels to move closer to each other, thereby driving the fixing part to be pressed toward the steel pipe, thereby playing a role in fixing the steel pipe.

[0026] Furthermore, side plates are fixedly provided on the upper end of the top plate and the lower end of the base on both sides of the through groove, and movable grooves are provided on opposite sides of the side plates. Adjustment blocks are fixedly provided at both ends of the movable block, and the adjusting blocks are respectively clamped in the corresponding movable grooves. A movable threaded column is rotatably connected in the movable groove on one side, and a limiting column is fixed in the movable groove on the other side. The movable threaded column passes through the corresponding adjusting block and is threadedly connected to the adjusting block. The limiting column passes through the adjusting block, and a motor is fixedly provided on one side of the side plate provided with the movable threaded column, and the output end of the motor passes through the side plate and is fixedly connected to one end of the movable threaded column.

[0027] By adopting the above technical solution, the utility model has the following advantages:

[0028] The arrangement of the motor, the movable threaded column and the movable block of the utility model enables the starting of the motor to drive the movable threaded column to rotate, thereby driving the movable block to move toward one side of the straightening plate, realizing the transportation of the steel pipe to the straightening plate, thereby realizing the function of transporting the steel pipe without manual labor, and reducing the manual workload. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0030] Figure 1 It is a schematic diagram of the structure of the utility model;

[0031] Figure 2 This is a schematic diagram of the cross-sectional structure at the center of the utility model;

[0032] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0033] Figure 4 It is a schematic diagram of the left side cross-sectional structure of the panel 2 and the fixing part of the utility model;

[0034] Figure 5 It is a schematic diagram of the top cross-sectional structure of the side plate and the moving block of the utility model.

[0035] Reference numerals: 1, base; 101, foot; 102, pillar; 2, central support column; 201, internal thread groove; 3, bottom column; 301, embedded groove; 302, clamping groove; 4, clamping column; 401, spring groove; 402, slide groove three; 5, bottom plate; 501, limit block; 6, side plate; 601, moving groove; 7, moving block; 701, adjusting block; 8, inner column; 801, slider two; 9, external thread column; 901 , slide groove two; 10, cylinder device two; 11, top plate; 12, cylinder device one; 13, straightening plate; 14, fixing part; 15, panel two; 16, panel one; 17, through groove; 18, support column; 19, roller; 20, vertical plate; 21, slide groove one; 22, limit groove; 23, connecting column; 24, motor; 25, movable threaded column; 26, limit column; 27, high elastic spring; 28, block; 29, slider three. DETAILED DESCRIPTION

[0036] like Figure 1 to Figure 2 As shown, in the specific embodiment, a steel pipe straightening device includes a base 1, a plurality of supporting legs 101 are fixedly provided at the lower end of the base 1, a plurality of supporting columns 102 are fixedly provided at the upper end of the base 1, a top plate 11 is fixedly provided at the upper end of the supporting column 102, a vertical plate 20 is provided on one side of the base 1, a connecting portion is fixedly provided on one side of the vertical plate 20, a central support column 2 is fixedly provided outside the connecting portion, a straightening plate 13 is provided at the upper end of the base 1 and the lower end of the top plate 11 corresponding to the central support column 2, the lower ends of the straightening plates 13 are fixedly connected to the corresponding base 1 and top plate 11 through an extrusion structure one, an extrusion structure two is provided at one end of the base 1 and the top plate 11 away from the straightening plate 13, a fixing portion 14 is fixedly provided on the extrusion structure two, and the extrusion structure two is movably connected to the corresponding base 1 and top plate 11 through a movable structure.

[0037] Through the above arrangement, the arrangement of the central support column 2 and the straightening plate 13 of the utility model allows the inner side of the steel pipe to be supported by the central support column 2, and combined with the repeated squeezing of the outer straightening plate 13, the steel pipe can be adjusted into place; the arrangement of the fixed part 14 and the movable structure of the utility model allows the movable structure to control the steel pipe to move toward the straightening plate 13 for straightening when the fixed part 14 fixes one end of the steel pipe, without the need for manual continuous feeding of the steel pipe, thereby reducing the manual workload.

[0038] like Figures 1 to 3As shown, a bottom plate 5 is fixedly provided at the lower end of the vertical plate 20, a plurality of support columns 18 are fixedly provided at the lower end of the bottom plate 5, and rollers 19 are provided at the lower ends of the support columns 18. The upper end surface of the bottom plate 5 abuts against the lower end surface of the base 1, and a limit block 501 is fixedly provided at one end of the upper end of the bottom plate 5 away from the vertical plate 20, and a slider 1 is fixedly provided at both ends of the limit block 501. A limit groove 22 is provided at the position of the lower end of the base 1 corresponding to the limit block 501, and a slide groove 21 is provided at both ends of the limit groove 22. The limit block 501 and the slider 1 are respectively clamped in the corresponding limit groove 22 and the slide groove 1 21; the connecting part includes an external threaded column 9 and an internal column 8, the external threaded column 9 is provided with a column groove at one end close to the vertical plate 20, the internal column 8 is located in the column groove, one end of the internal column 8 is fixedly connected to the vertical plate 20, and sliders 801 are fixedly provided on both sides of the end of the internal column 8 away from the vertical plate 20, and slide grooves 901 are provided at the positions of the column grooves corresponding to the slide grooves 801, and the slide grooves 801 are clamped in the corresponding slide grooves 901, and an internal threaded groove 201 is provided at one end of the central support column 2 close to the vertical plate 20, and the external threaded column 9 is fixed to the central support column 2 by threaded connection.

[0039] Through the above settings, the setting of the roller 19 of the utility model allows the vertical plate 20 to move to one side; the setting of the inner column 8 of the utility model allows the vertical plate 20 to move the inner column 8 when the length of the steel pipe is too long, thereby extending the total length of the central support column 2, so that the steel pipe can continue to move the vertical plate 20 to achieve straightening of the steel pipe, effectively increasing the length of the device for straightening the steel pipe and improving practicality.

[0040] like Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, the straightening plate 13 and the fixing part 14 are both in a semi-arc shape, and bottom pillars 3 are provided on both sides of the end of the straightening plate 13 away from each other and the end of the fixing part 14 away from each other, and an embedded groove 301 is provided at the end of the bottom pillar 3 away from the straightening plate 13 and the fixing part 14; the extrusion structure 1 and the extrusion structure 2 respectively include a panel 16 and a panel 2 15, and the positions of the panel 1 16 and the panel 2 15 corresponding to the embedded groove 301 are fixed with a clamping column 4, and the clamping column 4 is clamped in the embedded groove 301, and spring grooves 401 are provided at both ends of the clamping column 4, and a high-elastic spring 27 is fixed in the spring groove 401, and the high-elastic spring 27 is fixed in the spring groove 401. A block 28 is fixedly provided at one end away from the spring slot 401, and two sliders 29 are fixedly provided on both sides of one end of the block 28 located inside the spring slot 401. The positions of the spring slot 401 corresponding to the sliders 29 are all connected with a slide slot 402, and the sliders 29 are clamped in the corresponding slide slots 402. The positions of the two ends of the embedded slot 301 corresponding to the block 28 are all connected with a slot 302, and the block 28 is clamped in the corresponding slot 302; a plurality of connecting columns 23 are provided on the side of the panel 16 and the panel 2 15 away from the clamping column 4, and the upper end of the top plate 11 and the lower end of the base 1 correspond to the positions on the panel 1 16. The position of the connecting column 23 is fixedly provided with a cylinder device 12, and the moving end of the cylinder device 12 passes through the top plate 11 and the base 1 and is fixedly connected to the corresponding connecting column 23; the moving structure includes a moving block 7, and a through groove 17 is provided on the base 1 and the top plate 11. The moving block 7 is located inside the through groove 17, and the end of the moving block 7 away from the panel 2 15 is fixedly provided with a cylinder device 2 10, and the moving end of the cylinder device 2 10 passes through the moving block 7 and is fixedly connected to the connecting column 23 on the corresponding panel 2 15; the upper end of the top plate 11 and the lower end of the base 1 are located on both sides of the through groove 17 and are fixedly provided with side plates 6, and the side plates 6 There are movable grooves 601 on the opposite sides, and adjustment blocks 701 are fixedly provided at both ends of the movable block 7. The adjustment blocks 701 are respectively clamped in the corresponding movable grooves 601. A movable threaded column 25 is rotatably connected in the movable groove 601 on one side, and a limiting column 26 is fixed in the movable groove 601 on the other side. The movable threaded column 25 passes through the corresponding adjustment block 701 and is threadedly connected to the adjustment block 701. The limiting column 26 passes through the adjustment block 701. A motor 24 is fixedly provided on one side of the side plate 6 with the movable threaded column 25, and the output end of the motor 24 passes through the side plate 6 and is fixedly connected to one end of the movable threaded column 25.

[0041] Through the above arrangement, the semi-arc shape of the utility model can effectively fix the steel pipe and straighten the steel pipe; the arrangement of the clamping column 4 and the clamping block 28 of the utility model enables the bottom column 3 to be taken out and installed by squeezing the clamping block 28 into the spring groove 401, so that the size of the straightening plate 13 and the fixing part 14 can be replaced according to the size of the steel pipe, so that the steel pipes of different sizes can be straightened, thereby increasing practicality; the arrangement of the cylinder device 12 of the utility model drives the panel 16 to move repeatedly toward the center, so that the adjustment The straight plate 13 can repeatedly squeeze the steel pipe to achieve straightening of the steel pipe; the setting of the cylinder device 10 of the utility model drives the panel 15 to move closer to each other, thereby driving the fixing part 14 to squeeze the steel pipe, thereby fixing the steel pipe; the setting of the motor 24, the movable threaded column 25 and the movable block 7 of the utility model enables the start of the motor 24 to drive the movable threaded column 25 to rotate, thereby driving the movable block 7 to move toward one side of the straightening plate 13, realizing the transportation of the steel pipe to the straightening plate 13, thereby realizing the function of transporting the steel pipe without manual labor, reducing the manual workload.

[0042] Working principle: When in use, fix the center support column 2 of the appropriate steel pipe size on the outside of the external threaded column 9 through threaded connection, and then the straightening plate 13 and the fixing part 14 of the appropriate size are connected by squeezing the block 28 inward, and then the corresponding embedded groove 301 of the bottom column 3 is sleeved on the corresponding clamping column 4, and the high elastic spring 27 squeezes the block 28 and clamps it into the slot 302 to fix the straightening plate 13 and the fixing part 14, and then fix one end of the steel pipe to be straightened between the fixing part 14 and the fixing part 14, and drive the fixing part 14 and the fixing part 14 to be close to each other by controlling the cylinder device 2 10 to fix the steel pipe, and then align the other end of the steel pipe with the center support column 2 and insert it, then start the motor 24, and the motor 24 drives the moving threaded column 25 to rotate, thereby driving the fixing part 14 to move toward the straightening plate 13, and the steel pipe begins to move toward the straightening plate 13, and the cylinder device 2 10 drives the fixing part 14 and the fixing part 14 to be close to each other to fix the steel pipe, and then align the other end of the steel pipe with the center support column 2 and insert it, then start the motor 24, and the motor 24 drives the moving threaded column 25 to rotate, thereby driving the fixing part 14 to move toward the straightening plate 13, and the steel pipe begins to move toward the straightening plate 13, and the cylinder Device 12 controls the straightening plate 13 to repeatedly squeeze toward the supporting center column, thereby realizing the squeezing and straightening of the steel pipe. When the steel pipe is too long, the fixing part 14 can be fixed in the middle of the steel pipe. After one side is straightened, the steel pipe can be turned around and the other side can be straightened. When the steel pipe is too long and the middle part is still not straightened after turning around and straightening, the position of the center support column 2 can be fixed, and then the vertical plate 20 can be pulled backward to extend the inner column 8, and then the vertical plate 20 can be fixed. It can be fixed by placing a heavy object on one side of the roller 19. At this time, the straightening distance of the steel pipe can be extended, so that the device can adapt to more steel pipes of different lengths and sizes; the roller 19, cylinder device 1 12, cylinder device 2 10, motor 24 and their electrical connection methods of the utility model are all disclosed in the prior art, so this application does not make too many elaborations.

[0043] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of ​​the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims

1. A steel pipe straightening device, comprising a base (1), wherein a plurality of legs (101) are fixedly provided at the lower end of the base (1), characterized in that: A plurality of pillars (102) are fixedly provided on the upper end of the base (1), a top plate (11) is fixedly provided on the upper end of the pillars (102), a vertical plate (20) is provided on one side of the base (1), a connecting portion is fixedly provided on one side of the vertical plate (20), a central support column (2) is fixedly provided outside the connecting portion, a straightening plate (13) is provided at the upper end of the base (1) and the lower end of the top plate (11) at positions corresponding to the central support column (2), the lower ends of the straightening plates (13) are fixedly connected to the corresponding base (1) and top plate (11) through an extrusion structure 1, an extrusion structure 2 is provided at one end of the base (1) and the top plate (11) away from the straightening plate (13), a fixing portion (14) is fixedly provided on the second extrusion structure, and the second extrusion structure is movably connected to the corresponding base (1) and top plate (11) through a movable structure.

2. A steel pipe straightening device according to claim 1, characterized in that: A bottom plate (5) is fixedly provided at the lower end of the vertical plate (20), a plurality of support columns (18) are fixedly provided at the lower end of the bottom plate (5), and rollers (19) are provided at the lower ends of the support columns (18). The upper end surface of the bottom plate (5) abuts against the lower end surface of the base (1), and a limit block (501) is fixedly provided at one end of the upper end of the bottom plate (5) away from the vertical plate (20), and a sliding block (1) is fixedly provided at both ends of the limit block (501). A limit groove (22) is provided at the lower end of the base (1) at a position corresponding to the limit block (501), and a sliding groove (21) is provided at both ends of the limit groove (22), and the limit block (501) and the sliding block (1) are respectively clamped in the corresponding limit groove (22) and the sliding groove (21).

3. A steel pipe straightening device according to claim 2, characterized in that: The connecting portion comprises an external threaded column (9) and an internal column (8), wherein the external threaded column (9) is provided with a column groove at one end close to the vertical plate (20), the internal column (8) is located in the column groove, one end of the internal column (8) is fixedly connected to the vertical plate (20), and two sliders (801) are fixedly provided on both sides of the end of the internal column (8) away from the vertical plate (20), and the column groove is provided with a slide groove (901) at the position corresponding to the slide groove (801), and the slide groove (801) is clamped in the corresponding slide groove (901), and the central support column (2) is provided with an internal threaded groove (201) at one end close to the vertical plate (20), and the external threaded column (9) is fixed to the central support column (2) by threaded connection.

4. A steel pipe straightening device according to claim 1, characterized in that: The straightening plate (13) and the fixing portion (14) are both in a semi-arc shape, and bottom columns (3) are provided on both sides of an end of the straightening plate (13) that is away from each other and on an end of the fixing portion (14) that is away from each other, and an embedded groove (301) is provided on an end of the bottom column (3) that is away from the straightening plate (13) and the fixing portion (14).

5. A steel pipe straightening device according to claim 4, characterized in that: The extrusion structure 1 and the extrusion structure 2 respectively comprise a panel 1 (16) and a panel 2 (15); the panel 1 (16) and the panel 2 (15) are both fixedly provided with a clamping column (4) at positions corresponding to the embedded groove (301); the clamping column (4) is clamped in the embedded groove (301); both ends of the clamping column (4) are provided with a spring groove (401); a high-elastic spring (27) is fixedly provided in the spring groove (401); one end of the high-elastic spring (27) away from the spring groove (401) is fixedly provided with a clamping column (4) A clamping block (28) is provided, and two sides of one end of the clamping block (28) located inside the spring groove (401) are fixedly provided with sliding blocks (29), and the positions of the spring groove (401) corresponding to the sliding blocks (29) are both communicated with a sliding groove (402), and the sliding blocks (29) are clamped in the corresponding sliding groove (402), and the positions of the two ends of the embedded groove (301) corresponding to the clamping block (28) are both communicated with a clamping groove (302), and the clamping block (28) is clamped in the corresponding clamping groove (302).

6. A steel pipe straightening device according to claim 5, characterized in that: A plurality of connecting columns (23) are provided on the side of the panel 1 (16) and the panel 2 (15) away from the clamping column (4); a cylinder device 1 (12) is fixedly provided at the upper end of the top plate (11) and the lower end of the base (1) at positions corresponding to the connecting columns (23) on the panel 1 (16); and a movable end of the cylinder device 1 (12) passes through the top plate (11) and the base (1) and is fixedly connected to the corresponding connecting column (23).

7. A steel pipe straightening device according to claim 6, characterized in that: The movable structure comprises a movable block (7), the base (1) and the top plate (11) are provided with through grooves (17), the movable block (7) is located inside the through groove (17), and a cylinder device (10) is fixedly provided at one end of the movable block (7) away from the second panel (15), and the movable end of the cylinder device (10) passes through the movable block (7) and is fixedly connected to the corresponding connecting column (23) on the second panel (15).

8. A steel pipe straightening device according to claim 7, characterized in that: The upper end of the top plate (11) and the lower end of the base (1) are both fixedly provided with side plates (6) on both sides of the through groove (17); the opposite sides of the side plates (6) are both provided with movable grooves (601); both ends of the movable block (7) are both fixedly provided with adjustment blocks (701); the adjustment blocks (701) are respectively clamped in the corresponding movable grooves (601); a movable threaded column (25) is rotatably connected in the movable groove (601) on one side; a limiting column (26) is fixedly provided in the movable groove (601) on the other side; the movable threaded column (25) passes through the corresponding adjusting block (701) and is threadedly connected to the adjusting block (701); the limiting column (26) passes through the adjusting block (701); a motor (24) is fixedly provided on one side of the side plate (6) provided with the movable threaded column (25); the output end of the motor (24) passes through the side plate (6) and is fixedly connected to one end of the movable threaded column (25).

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