Large-diameter steel pipe straightening machine

Abstract

The utility model belongs to the technical field of steel pipe straightening machines, and particularly relates to a large-diameter steel pipe straightening machine which comprises a workbench, a baffle is fixedly connected to the left side of the top of the workbench, a connecting shaft is arranged in the baffle, a positioning roller is fixedly connected to one end of the connecting shaft, and a threaded rod is movably connected to the inner wall of the positioning roller. Threaded rings are in threaded connection with the outer walls of the screws, rotating grooves are formed in the outer walls of the two threaded rings, linkage rods are movably connected to the inner walls of the multiple rotating grooves, clamping plate grooves are formed in the outer walls of the positioning rollers, clamping plates are arranged in the multiple clamping plate grooves, through grooves are formed in the inner walls of the clamping plates, and the other ends of the screws penetrate through the connecting shafts; the other end of the screw is fixedly connected with a knob, the outer wall of the other end of the connecting shaft is fixedly connected with a driven bevel gear, the other end of the connecting shaft is provided with a knob groove, and the knob is located in the knob groove. Under the action of the threaded ring and the clamping plate, the steel pipe can be clamped and fixed more conveniently and quickly, operation is easy, time and labor are saved, and working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of steel pipe straightening machine, concretely is a kind of large-diameter steel pipe straightening machine. BACKGROUND

[0002] After steel pipe production forming, long tube class parts are prone to bending deformation in the processing and transportation process, so that installation is affected, and subsequent installation is affected, so it is needed to straighten steel pipe after deformation.

[0003] After searching, the patent with the application number CN2022229469347 discloses a kind of large-diameter steel pipe straightening machine, mainly by clamping chuck jaw clamping one end of steel pipe, the other end of steel pipe and the upper end surface of support block are in contact, second hydraulic cylinder output end is elongated, output end drives clamping chuck jaw, in turn, push steel pipe through limiting hole, limiting hole and steel pipe diameter are adapted, if there is protrusion on the surface of steel pipe, the protrusion of steel pipe will be in contact with the dead lock of shaping piece, in turn, make steel pipe stop moving, adjust steel pipe to make protruding part vertical upward, the output end of first hydraulic cylinder drives pressure head to press down, and the protrusion is flattened, realize the straightening of steel pipe, steel pipe straightening process does not need manual measurement to find protruding part, save the time cost spent in manual measurement to find protruding part, improve the straightening efficiency of steel pipe.

[0004] But when using the straightening machine to clamp and fix steel pipe, two nuts and threaded rods need to be adjusted respectively, so that sliding block is tightly attached to the inner wall of steel pipe, and extension block is clamped from inside and outside together, the whole process needs twice operation, and operation is more troublesome. SUMMARY

[0005] The utility model aims at providing a kind of large-diameter steel pipe straightening machine, under the action of threaded ring and clamping plate, the clamping and fixing of steel pipe are more convenient and fast, easy operation, save time and effort, improve work efficiency.

[0006] In order to achieve the above object, the utility model provides a technical scheme which adopts: provide a large -caliber steel pipe straightening machine, including work table, the top left side of work table is fixedly connected with baffle, the inside of baffle is provided with connecting shaft, one end of connecting shaft is fixedly connected with positioning roller, the inner wall of positioning roller is movably connected with screw rod, the outer wall of screw rod is connected with thread ring, and the number of thread ring is two, the outer wall of two thread rings is all set up rotating groove, and the number of rotating groove is a plurality, the inner wall of a plurality of rotating grooves is movably connected with linkage rod, the outer wall of positioning roller is set up clamping plate groove, and the number of clamping plate groove is a plurality, the inside of a plurality of clamping plate grooves is provided with clamping plate, the inner wall of clamping plate is set up through groove, the other end of linkage rod is movably connected with the inner wall of through groove, the other end of screw rod penetrates connecting shaft, the other end of screw rod is fixedly connected with knob, the other end outer wall of connecting shaft is fixedly connected with driven bevel gear, the other end of connecting shaft is set up knob groove, and the knob is located in the inside of knob groove.

[0007] Optionally, the outer wall of the baffle is fixedly connected with a motor base, the outer wall of the motor base is fixedly connected with a rotating motor, the output end of the rotating motor is fixedly connected with a driving bevel gear, and the outer wall of the driving bevel gear is engaged with the outer wall of the driven bevel gear.

[0008] Optionally, the inside of the workbench is provided with a moving groove, the outer wall of the workbench is fixedly connected with a moving motor, the output end of the moving motor is fixedly connected with a moving lead screw, the other end of the moving lead screw is movably connected with the other side inner wall of the moving groove, the outer wall of the moving lead screw is threadedly connected with a moving seat, and the top of the moving seat is fixedly connected with a gantry.

[0009] Optionally, the inner wall of the gantry is fixedly connected with a support seat, the top of the support seat is provided with a plurality of grooves, the top of the support seat is provided with a support mold, the support mold is connected with the support seat through bolts, the bottom of the support mold is fixedly connected with a plurality of protrusions, and the plurality of protrusions are located in the plurality of grooves, respectively.

[0010] Optionally, the inner wall top of the gantry is fixedly connected with a hydraulic cylinder, the bottom of the hydraulic cylinder is fixedly connected with a pressing plate, and the pressing plate is located on the top of the support mold.

[0011] Optionally, the bottom of the workbench is fixedly connected with a support leg, the number of the support leg is two, the two support legs are connected through a reinforcing plate, and the number of the reinforcing plate is two.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. When using this utility model, one end of the steel pipe is fitted onto the outside of the positioning roller. Then, the knob is turned to drive the screw to rotate. When the threaded ring rotates, the two threaded rings move in opposite directions. When the two threaded rings move, they drive one end of multiple linkage rods to move. The other end of the multiple linkage rods pushes the clamping plates outward. The multiple clamping plates work together to clamp and fix the steel pipe from the inside. Turning the knob in the opposite direction will reset the multiple clamping plates, making it easy to remove the steel pipe. The operation is simple, the clamping is fast, and it saves time and effort.

[0014] 2. When placing the steel pipe, ensure that one end of the steel pipe is fitted over the outside of the positioning roller. The pipe body is supported by the support mold. The motor is turned to drive the drive bevel gear to rotate. The outer wall of the drive bevel gear meshes with the outer wall of the driven bevel gear, thereby causing the driven bevel gear and the connecting shaft to rotate synchronously. The side to be adjusted is turned to the bottom of the pressure plate. At the same time, the motor is moved to drive the moving screw to rotate, causing the moving seat and gantry to move along the moving groove until the pressure plate moves above the position to be straightened. Then the hydraulic cylinder moves downward, driving the pressure plate to press down and straighten the steel pipe. The two support legs are connected by two reinforcing plates, making the operation of this utility model more stable. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a front view structural diagram of the present utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the support base of this utility model;

[0019] Figure 4 This is a schematic diagram of the positioning roller of this utility model;

[0020] Figure 5 This is a schematic diagram of the internal structure of the positioning roller of this utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the clamping plate of this utility model;

[0022] Figure 7 This utility model Figure 6 Enlarged structural diagram at point A;

[0023] Figure 8The top structure schematic view of the supporting mold of the utility model shows that

[0024] Figure 9 The bottom structure schematic view of the supporting mold of the utility model shows that

[0025] In the figure: 1, workbench;2, baffle;3, connecting shaft;4, positioning roller;5, screw;6, threaded ring;7, rotating groove;8, linkage rod;9, clamping plate groove;10, clamping plate;11, through groove;12, knob;13, driven bevel gear;14, knob groove;15, motor base;16, rotating motor;17, driving bevel gear;18, moving groove;19, moving motor;20, moving screw;21, moving seat;22, gantry;23, support seat;24, recess;25, supporting mold;26, bolt;27, protruding block;28, hydraulic cylinder;29, pressing plate;30, supporting leg;31, reinforcing plate. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical schemes and beneficial effects to be solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0027] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0028] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0029] In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly specified.

[0030] Reference Figures 1-9The utility model discloses a large -diameter steel pipe straightening machine provides a kind of large -diameter steel pipe straightening machine, including workbench 1, the top left side of workbench 1 is fixedly connected with baffle 2, the inside of baffle 2 is provided with connecting shaft 3, and one end of connecting shaft 3 is fixedly connected with positioning roller 4, and the inner wall of positioning roller 4 is movably connected with screw rod 5, and the outer wall of screw rod 5 is threadedly connected with threaded ring 6, and the number of threaded ring 6 is two, the outer wall of two threaded rings 6 is all set up rotating groove 7, and the number of rotating groove 7 is multiple, and the inner wall of multiple rotating grooves 7 is movably connected with linkage rod 8, the outer wall of positioning roller 4 is set up clamping plate groove 9, and the number of clamping plate groove 9 is multiple, and the inside of multiple clamping plate grooves 9 is provided with clamping plate 10, and the inner wall of clamping plate 10 is set up through groove 11, and the other end of linkage rod 8 is movably connected with the inner wall of through groove 11, and the other end of screw rod 5 penetrates connecting shaft 3, and the other end of screw rod 5 is fixedly connected with knob 12, and the other end outer wall of connecting shaft 3 is fixedly connected with driven bevel gear 13, and the other end of connecting shaft 3 is set up knob groove 14, and knob 12 is located in the inside of knob groove 14, and the outer wall of baffle 2 is fixedly connected with motor base 15, and the outer wall of motor base 15 is fixedly connected with rotating motor 16, and the output of rotating motor 16 is fixedly connected with driving bevel gear 17, and the outer wall of driving bevel gear 17 is engaged with the outer wall of driven bevel gear 13, to make driven bevel gear 13 and connecting shaft 3 synchronous rotation.

[0031] The one end of the steel pipe is sleeved outside the positioning roller 4, then rotating knob 12 drives screw rod 5 to rotate, when threaded ring 6 rotates, two threaded rings 6 move away from each other, when two threaded rings 6 move, the one end of multiple linkage rods 8 is driven to move respectively, the other end of multiple linkage rods 8 pushes clamping plate 10 outward, and multiple clamping plates 10 are fixed by clamping from the inside of the steel pipe; reverse rotating knob 12, and multiple clamping plates 10 can be reset by the same principle, so that the steel pipe can be conveniently taken down, and the operation is simple, fast and time-saving and labor-saving.

[0032] In another embodiment of the utility model, please refer to Figure 1 And Figure 2 The inside of workbench 1 is set up moving groove 18, and the outer wall of workbench 1 is fixedly connected with moving motor 19, and the output of moving motor 19 is fixedly connected with moving lead screw 20, and the other end of moving lead screw 20 is movably connected with the other side inner wall of moving groove 18, and the outer wall of moving lead screw 20 is threadedly connected with moving seat 21, and the top of moving seat 21 is fixedly connected with gantry 22.

[0033] When moving motor 19 operates, moving lead screw 20 is driven to rotate, moving seat 21 and gantry 22 move along moving groove 18 until pressing plate 29 moves to the position above to be straightened.

[0034] In another embodiment of the utility model, please refer to Figures 3 to 9The inner wall of the gantry 22 is fixedly connected with a supporting seat 23, a groove 24 is arranged at the top of the supporting seat 23, and the number of the grooves 24 is multiple, a supporting die 25 is arranged at the top of the supporting seat 23, the supporting die 25 can support the pipe body, the supporting die 25 is connected with the supporting seat 23 through bolts 26, the supporting die 25 can be replaced by unscrewing the two bolts 26, the bottom of the supporting die 25 is fixedly connected with a lug 27, the number of the lugs 27 is multiple, the multiple lugs 27 are respectively arranged in the multiple grooves 24, the positioning of the supporting die 25 is facilitated, the inner wall top of the gantry 22 is fixedly connected with a hydraulic cylinder 28, the bottom of the hydraulic cylinder 28 is fixedly connected with a pressing plate 29, the pressing plate 29 is arranged at the top of the supporting die 25, and the hydraulic cylinder 28 drives the pressing plate 29 to press down to straighten the steel pipe when descending.

[0035] In another embodiment of the present application, please refer to Figure 1 The bottom of the workbench 1 is fixedly connected with supporting legs 30, the number of the supporting legs 30 is two, the two supporting legs 30 are connected through reinforcing plates 31, and the number of the reinforcing plates 31 is two, so that the present application is more stable during operation.

[0036] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A large-diameter steel pipe straightening machine comprising a worktable (1), characterized in that: The top left side of the workbench (1) is fixedly connected with a baffle (2), the inside of the baffle (2) is provided with a connecting shaft (3), one end of the connecting shaft (3) is fixedly connected with a positioning roller (4), the inner wall of the positioning roller (4) is movably connected with a screw rod (5), the outer wall of the screw rod (5) is threadedly connected with a threaded ring (6), and the number of the threaded ring (6) is two, the outer wall of the two threaded rings (6) is provided with a rotating groove (7), and the number of the rotating groove (7) is multiple, the inner wall of the multiple rotating grooves (7) is movably connected with a linkage rod (8), the outer wall of the positioning roller (4) is provided with a clamping plate groove (9), and the number of the clamping plate groove (9) is multiple, the inside of the multiple clamping plate grooves (9) is provided with a clamping plate (10), the inner wall of the clamping plate (10) is provided with a through groove (11), the other end of the linkage rod (8) is movably connected with the inner wall of the through groove (11), the other end of the screw rod (5) penetrates the connecting shaft (3), the other end of the screw rod (5) is fixedly connected with a knob (12), the other end of the connecting shaft (3) is fixedly connected with a driven bevel gear (13), the other end of the connecting shaft (3) is provided with a knob groove (14), and the knob (12) is located in the inside of the knob groove (14).

2. A large diameter pipe straightening machine as claimed in claim 1 wherein: The outer wall of the baffle (2) is fixedly connected with a motor base (15), the outer wall of the motor base (15) is fixedly connected with a rotating motor (16), the output end of the rotating motor (16) is fixedly connected with a driving bevel gear (17), and the outer wall of the driving bevel gear (17) is engaged with the outer wall of the driven bevel gear (13).

3. A large diameter pipe straightening machine as claimed in claim 1, wherein: The inside of the workbench (1) is provided with a moving groove (18), the outer wall of the workbench (1) is fixedly connected with a moving motor (19), the output end of the moving motor (19) is fixedly connected with a moving screw rod (20), the other end of the moving screw rod (20) is movably connected with the other side inner wall of the moving groove (18), the outer wall of the moving screw rod (20) is threadedly connected with a moving seat (21), and the top of the moving seat (21) is fixedly connected with a gantry (22).

4. A large diameter pipe straightening machine as claimed in claim 3 wherein: The inner wall of the gantry (22) is fixedly connected with a supporting seat (23), the top of the supporting seat (23) is provided with a groove (24), and the number of the groove (24) is multiple, the top of the supporting seat (23) is provided with a supporting mold (25), and the supporting mold (25) is connected with the supporting seat (23) through bolts (26), the bottom of the supporting mold (25) is fixedly connected with a protruding block (27), and the number of the protruding block (27) is multiple, and the multiple protruding blocks (27) are located in the multiple grooves (24) respectively.

5. A large diameter pipe straightening machine as claimed in claim 3 wherein: The inner wall top of the gantry (22) is fixedly connected with a hydraulic cylinder (28), the bottom of the hydraulic cylinder (28) is fixedly connected with a pressing plate (29), and the pressing plate (29) is located on the top of the supporting mold (25).

6. A large diameter pipe straightening machine as claimed in claim 1, characterized in that: The bottom of the workbench (1) is fixedly connected with supporting legs (30), and the number of the supporting legs (30) is two. The bottom of the workbench (1) is fixedly connected with supporting legs (30), and the number of the supporting legs (30) is two.

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