Straightening device for pipe fittings

Abstract

The utility model discloses a straightening device for pipe fittings, which relates to the technical field of pipe fitting straightening and particularly comprises a base, one end of the base is connected with two supporting structures through a first translation structure, and the other end of the base is connected with a supporting rod through a second translation structure. The top of the supporting rod is connected with a pressing structure through a first hydraulic telescopic rod. One side of the supporting rod is connected with a dial indicator through a folding support. According to the straightening device for the pipe fittings, by arranging the first translation structure, the distance between the two supporting structures can be changed, so that when the straightening device is used, the two supporting structures can support the pipe fittings of various lengths, and the adaptability of the straightening device is improved; through the arrangement of the dial indicator, the dial indicator can accurately detect the shape of the pipe fitting, a user can accurately judge the arc change of each part of the pipe fitting according to the dial indicator, the user can conveniently use the device to straighten the pipe fitting, and the straightening quality of the pipe fitting can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe straightening, in particular to a pipe straightening device. Background Art

[0002] In industries such as machinery and construction, many steel pipes will deform after heat treatment, and some steel pipes will bend after being damaged, and they need to be straightened before they can be put into use. In the prior art, some solutions for straightening pipe fittings are disclosed, such as the authorized patent document with application number CN202121771223.X, which discloses a pipe fitting auxiliary straightening device, including a pipe fitting, a base plate, a bracket, a screw, a clamping plate assembly, and a support block. There are three support blocks, two of which are movably arranged symmetrically at both ends of the base plate surface, and the two support blocks are set at the bottom of the pipe fitting to support the pipe fitting. The other support block is inverted on the upper part of the pipe fitting, and the bottom of the bracket is fixed in the center of the base plate surface. The top of the bracket is a horizontal protrusion, and the protrusion is provided with through holes and other components.

[0003] When the above scheme is in use, the pipe fitting is supported by two support blocks, and downward pressure is applied to the pipe fitting by a third support block inverted on the pipe fitting, so as to achieve straightening of the pipe fitting. However, since the arc surface of the support block in the above scheme needs to match the outer cylindrical surface of the pipe fitting, the above scheme can only straighten pipe fittings of a single diameter. When pipe fittings of different diameters need to be straightened, the staff needs to remove the support blocks one by one and then replace them with support blocks of corresponding specifications, which affects the straightening efficiency of the pipe fitting. In addition, when the above scheme is in use, it is difficult to accurately judge the arc changes of various parts of the pipe fitting, which affects the straightening quality of the pipe fitting. Based on this, the present application proposes a straightening device for pipe fittings. Utility Model Content

[0004] The utility model provides a straightening device for pipe fittings, which solves the problem raised in the above background technology that when pipe fittings of different diameters need to be straightened, the staff needs to remove the support blocks one by one and then replace them with support blocks of corresponding specifications, which affects the straightening efficiency of the pipe fittings, and it is difficult to accurately judge the arc changes of various parts of the pipe fittings, thus affecting the straightening quality of the pipe fittings.

[0005] The utility model provides the following technical solution: a straightening device for pipe fittings, comprising a base, one end of the base is connected to two supporting structures through a translation structure 1, the other end of the base is connected to a supporting rod through a translation structure 2, the top of the supporting rod is connected to a pressing structure through a hydraulic telescopic rod 1; a fixing block is fixed to one side of the supporting rod, and a micrometer is connected to the side of the fixing block close to the supporting structure through a folding bracket;

[0006] The supporting structure includes a moving rod connected to a translation structure and a first rotating wheel movably connected to the top of the moving rod, the pressing structure includes a lifting rod fixedly connected to a hydraulic telescopic rod, the bottom end of the lifting rod is movably connected to a second rotating wheel, the outer rings of the first rotating wheel and the second rotating wheel are both provided with fixing grooves, the inner cavity of the fixing groove is connected to a supporting block via a hydraulic telescopic rod and bolts, the other end of the supporting block is provided with an arc groove, the inner diameter of the arc groove is the same as the outer diameter of the pipe fitting, and the inner diameters of two adjacent arc grooves are different.

[0007] Preferably, a rotating motor is fixedly connected to the outer side of the top of the moving rod, a first rotating shaft is fixedly connected to the middle of the first rotating wheel, the first rotating shaft is movably connected to the top of the moving rod, and the end of the output shaft of the rotating motor is fixedly connected to the first rotating shaft.

[0008] Preferably, the bottom end of the lifting rod is fixedly connected to rotating motor 2, the bottom end of the lifting rod is movably connected to a second rotating shaft, the second rotating wheel is fixedly connected to the second rotating shaft, and the end of the output shaft of rotating motor 2 is fixedly connected to the second rotating shaft.

[0009] Preferably, a groove is provided in the middle part of one end of the support block that is adapted to the fixed groove, a hydraulic telescopic rod 2 is fixedly connected to the inner cavity of the fixed groove, the hydraulic telescopic rod 2 is movably connected to the inner cavity of the groove, a threaded hole is provided at the output end of the hydraulic telescopic rod 2, the bolt is threadedly connected to the inner cavity of the threaded hole, one end of the groove is provided with a through hole movably connected to the bolt, and the other end of the groove is provided with another threaded hole adapted to the bolt.

[0010] Preferably, the translation structure includes a double-headed ball screw movably connected to the base, the outer rings at both ends of the double-headed ball screw are threadedly connected to ball nuts, the moving rod is fixedly connected to the ball nut, a translation motor is fixed to one end of the base, and the end of the output shaft of the translation motor is fixedly connected to the end of the double-headed ball screw.

[0011] Preferably, the second translation structure includes a ball screw movably connected to the base, the outer ring of the ball screw is threadedly connected to a ball nut 2, the support rod is fixedly connected to the ball nut 2, one end of the base is fixedly connected to a translation motor 2, and the end of the output shaft of the translation motor 2 is fixedly connected to the end of the ball screw.

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

[0013] 1. The pipe straightening device can change the distance between the two supporting structures by setting the translation structure 1, so that when the device is in use, the two supporting structures can support pipes of various lengths, thereby improving the adaptability of the device; through the setting of the micrometer, the micrometer can accurately detect the shape of the pipe, and the user can accurately judge the arc change of each part of the pipe according to the micrometer, which is convenient for the user to use the device to straighten the pipe and ensure the straightening quality of the pipe.

[0014] 2. The pipe straightening device can change the position of the support block quickly through the setting of the support structure and the pressing structure, so that the support block compatible with the pipe fitting can be replaced without removing the support block, thereby shortening the replacement time of the support block and improving the working efficiency of the device; and during the operation of the device, the support block away from the pipe fitting can be moved away from the pipe fitting under the action of the hydraulic telescopic rod 2, so that the user can disassemble and assemble the support block during the operation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view of the structure of the utility model;

[0016] Figure 2 The utility model structure Figure 1 Back side diagram;

[0017] Figure 3 This is an exploded schematic diagram of the structural support structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structural support block of the utility model;

[0019] Figure 5 The utility model structure Figure 4 Schematic cross section.

[0020] In the figure: 1. base; 2. double-ended ball screw; 3. moving rod; 4. rotating motor 1; 5. first rotating wheel; 6. ball screw; 7. support rod; 8. translation motor 2; 9. translation motor 1; 10. hydraulic telescopic rod 1; 11. lifting rod; 12. rotating motor 2; 13. micrometer; 14. fixing block; 15. folding bracket; 16. support block; 17. second rotating wheel; 18. first rotating shaft; 19. hydraulic telescopic rod 2; 20. fixing slot; 21. bolt; 22. through hole; 23. groove; 24. threaded hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides a straightening device for pipe fittings, including a base 1, one end of the base 1 is connected to two supporting structures through a translation structure 1, and the distance between the two supporting structures can be changed under the action of the translation structure 1. In some embodiments of the present application, the translation structure 1 includes a double-headed ball screw 2 movably connected to the base 1, and the outer rings at both ends of the double-headed ball screw 2 are threadedly connected with ball nuts 1, and one end of the base 1 is fixed with a translation motor 19, and the end of the output shaft of the translation motor 19 is fixedly connected to the end of the double-headed ball screw 2 through a reducer. Through the setting of the translation motor 19, the rotation of the translation motor 19 can drive the double-headed ball screw 2 fixedly connected thereto to rotate, and the rotation of the double-headed ball screw 2 can enable the ball nut 1 threadedly connected thereto to move in the direction where the double-headed ball screw 2 is located.

[0023] The above-mentioned supporting structure includes a moving rod 3, the bottom end of which is fixedly connected to a ball nut 1. Through the setting of a translation structure 1, when the double-headed ball screw 2 rotates, the ball nut 1 can drive the moving rod 3 fixedly connected thereto to move, and the distance between the two moving rods 3 can be changed, thereby changing the distance between the two supporting structures. When the device is in use, the coordinated use of the two supporting structures can realize the support of the pipe fittings to be straightened, and under the action of the translation structure 1, the two supporting structures can support pipe fittings of various lengths, thereby improving the adaptability of the device.

[0024] The top of the moving rod 3 is movably connected to the first rotating shaft 18, and the outer side of the top of the moving rod 3 is fixedly connected to a rotating motor 4. The end of the output shaft of the rotating motor 4 is fixedly connected to the first rotating shaft 18 through a reducer, and the other end of the first rotating shaft 18 is fixedly connected to the first rotating wheel 5. Through the setting of the rotating motor 4, the rotation of the rotating motor 4 can drive the first rotating shaft 18 fixedly connected thereto to rotate, and the first rotating shaft 18 can drive the first rotating wheel 5 fixedly connected thereto to rotate.

[0025] The outer ring of the first rotating wheel 5 is evenly provided with fixing grooves 20, and the inner cavity of the fixing groove 20 is connected with the support block 16 through the hydraulic telescopic rod 2 19 and the bolt 21. One end of the hydraulic telescopic rod 2 19 is fixedly connected with the inner cavity of the fixing groove 20, and the middle part of the end of the supporting block 16 that matches the fixing groove 20 is provided with a groove 23 that matches the other end of the hydraulic telescopic rod 2 19, and one end of the inner cavity of the groove 23 is provided with a through hole 22, and the inner cavity of the through hole 22 is movably connected with a bolt 21, and the other end of the inner cavity of the groove 23 and the output end of the hydraulic telescopic rod 2 19 are both provided with threaded holes 24, and the bolt 21 is threadedly connected with the inner cavity of the threaded hole 24. Through the setting of the threaded hole 24, when the bolt 21 is threadedly connected with both threaded holes 24, the output end of the hydraulic telescopic rod 2 19 is fixed together with the support block 16, so that the support block 16 and the first rotating wheel 5 are quickly fixed. When the device is in use, the user can replace the support block 16 by disassembling and assembling the bolt 21. An arc-shaped groove is provided in the middle of the other end of the support block 16 . The inner diameter of the arc-shaped groove matches the outer diameter of the pipe fitting, and the inner diameters of two adjacent arc-shaped grooves are different.

[0026] From the above description, it can be known that when the device is in use, the rotation of the rotating motor 4 can drive the first rotating wheel 5 connected thereto to rotate, and when the first rotating wheel 5 rotates, the position of the support block 16 can be quickly replaced, so that when the device is in use, there is no need to disassemble the support block 16 to quickly replace the support block 16 that is compatible with the pipe fitting, thereby improving the working efficiency of the device; and when the device is in operation, the extension of the hydraulic telescopic rod 19 allows the support block 16 connected to the hydraulic telescopic rod 19 to be away from the straightening position of the pipe fitting, so that when the device is in operation, the staff can replace the support block 16 and ensure its safety.

[0027] The other end of the base 1 is connected to a support rod 7 through a translation structure 2. In some embodiments of the present application, the translation structure 2 includes a ball screw 6 movably connected to the base 1, and the outer ring of the ball screw 6 is threadedly connected to a ball nut 2, and the support rod 7 is fixedly connected to the ball nut 2. One end of the base 1 is fixedly connected to a translation motor 2 8, and the end of the output shaft of the translation motor 2 8 is fixedly connected to the end of the ball screw 6 through a reducer. Through the setting of the translation motor 2 8, the rotation of the translation motor 2 8 can drive the ball screw 6 fixedly connected to it to rotate, and the rotation of the ball screw 6 can make the ball nut 2 threadedly connected to it move in the direction of the ball screw 6, and the movement of the ball nut 2 can drive the support rod 7 fixedly connected to it to move.

[0028] The support rod 7 is L-shaped, and the vertical end of the support rod 7 is fixedly connected to the ball nut 2. The horizontal end of the support rod 7 is fixed with a hydraulic telescopic rod 10, and the bottom of the hydraulic telescopic rod 10 is fixedly connected with a pressing structure. When the device is in use, the pressing structure is located above the pipe fitting. Under the action of the hydraulic telescopic rod 10, the pressing structure can press the arched part of the pipe fitting to achieve straightening of the pipe fitting.

[0029] A fixing block 14 is fixed to one side of the support rod 7, and a micrometer 13 is connected to the side of the fixing block 14 close to the supporting structure through a folding bracket 15. The folding bracket 15 is a prior art and will not be described in detail here. By setting the folding bracket 15, the position of the micrometer 13 can be changed, so that the micrometer 13 can detect pipes of different diameters. By setting the micrometer 13, when the device is in use, the measuring head of the micrometer 13 can contact the top of the pipe, and the shape of the pipe can be detected by the micrometer 13. The user can accurately judge the arc changes at various positions of the pipe through the micrometer 13 to ensure the straightening quality of the pipe.

[0030] The pressing structure includes a lifting rod 11 fixedly connected to a hydraulic telescopic rod 10, a second rotating wheel 17 is movably connected to the bottom end of the lifting rod 11, a rotating motor 12 is fixedly connected to the bottom end of the lifting rod 11, a second rotating shaft is movably connected to the bottom end of the lifting rod 11, the second rotating wheel 17 is fixedly connected to the second rotating shaft, and the output shaft end of the rotating motor 12 is fixedly connected to the second rotating shaft through a reducer. Through the setting of the rotating motor 12, the rotation of the rotating motor 12 can drive the second rotating shaft fixedly connected thereto to rotate, and the rotation of the second rotating shaft can drive the second rotating wheel 17 fixedly connected thereto to rotate.

[0031] Another fixing groove 20 is evenly arranged on the outer ring of the second rotating wheel 17, and another supporting block 16 is connected to the inner cavity of the other fixing groove 20 through another hydraulic telescopic rod 19 and bolt 21. The other end of the other supporting block 16 is provided with an arc groove, and the inner diameter of the arc groove is the same as the outer diameter of the pipe fitting, and the inner diameters of two adjacent arc grooves are different. When the device is in use, the other supporting block 16 is located above the pipe fitting, and under the action of the hydraulic telescopic rod 10, the other supporting block 16 adapted to the pipe fitting can press the arc part of the pipe fitting to achieve straightening of the pipe fitting.

[0032] It can be seen from the above description of the pressing structure that the rotation of the second rotary motor 12 can change the position of the other support block 16 for pressing the pipe, so that the device can adapt to a variety of pipes.

[0033] The above-mentioned rotating motor 1 4 and rotating motor 2 12 are both self-locking motors, and the models of both rotating motor 1 4 and rotating motor 2 12 can be XWD11-9-I.

[0034] The electrical components involved in this application are all prior art, and technicians in this field are familiar with their connection methods. Through these technicians, all the electrical components in this application are connected to their compatible power supplies through wires, and according to the actual situation, a suitable controller is selected to meet the control requirements. The specific connection and control sequence are described below. The electrical connection is completed in a sequential working order, and the detailed connection means are well known in the art. The following mainly introduces the working principle and process, and no further explanation of the electrical control is given.

[0035] In summary: when the pipe straightening device is used, the user adjusts the distance between the two supporting structures according to the length of the pipe to be straightened, so that the pipe can be placed on the two supporting structures. After the pipe is placed, the user adjusts the position of the micrometer 13 so that the measuring end of the micrometer 13 contacts the top of the pipe, and the second translation structure drives the micrometer 13 and the pressing structure to move. The user determines whether the pipe needs to be straightened according to the changes of the micrometer 13. If the pipe needs to be straightened, the hydraulic telescopic rod 10 is extended, and the hydraulic telescopic rod 10 drives the pressing structure to move downward. Another support block 16 in the pressing structure that is adapted to the pipe presses the pipe to achieve straightening of the pipe. If the support block 16 needs to be replaced, the rotating motor 14 and the rotating motor 2 12 both work, and the rotating motor 14 drives the second rotating motor 12 connected thereto. When a rotating wheel 5 rotates, the rotating motor 12 drives the second rotating wheel 17 connected thereto to rotate. The rotation of the first rotating wheel 5 drives the support block 16 connected thereto to rotate until the support block 16 adapted to the pipe fitting is located above the first rotating wheel 5. When the second rotating wheel 17 rotates, it drives another support block 16 connected thereto to rotate. The positions of multiple other support blocks 16 change until another support block 16 adapted to the pipe fitting is located below the second rotating wheel 17. The device can realize rapid replacement of support blocks adapted to the pipe fitting without disassembling the support blocks, thereby shortening the idle time of the device and improving the working efficiency of the device. In addition, during the operation of the device, the hydraulic telescopic rod 19 away from the pipe fitting can be extended, so that the unused support block 16 can be away from the straightening position, which is convenient for the staff to replace the support block 16.

[0036] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art and will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A straightening device for a pipe, comprising a base (1), characterized in that: One end of the base (1) is connected to two supporting structures via a translation structure 1, the other end of the base (1) is connected to a supporting rod (7) via a translation structure 2, the top of the supporting rod (7) is connected to a pressing structure via a hydraulic telescopic rod 1 (10); a fixing block (14) is fixed to one side of the supporting rod (7), and a micrometer (13) is connected to the side of the fixing block (14) close to the supporting structure via a folding bracket (15); The support structure comprises a moving rod (3) connected to a translation structure (1) and a first rotating wheel (5) movably connected to the top of the moving rod (3); the pressing structure comprises a lifting rod (11) fixedly connected to a hydraulic telescopic rod (10); the bottom end of the lifting rod (11) is movably connected to a second rotating wheel (17); the outer rings of the first rotating wheel (5) and the second rotating wheel (17) are both provided with a fixing groove (20); the inner cavity of the fixing groove (20) is connected to a supporting block (16) via a hydraulic telescopic rod (19) and a bolt (21); the other end of the supporting block (16) is provided with an arc groove; the inner diameter of the arc groove is the same as the outer diameter of the pipe fitting, and the inner diameters of two adjacent arc grooves are different.

2. A pipe straightening device according to claim 1, characterized in that: A rotating motor (4) is fixedly connected to the outer side of the top of the moving rod (3), a first rotating shaft (18) is fixedly connected to the middle of the first rotating wheel (5), the first rotating shaft (18) is movably connected to the top of the moving rod (3), and the end of the output shaft of the rotating motor (4) is fixedly connected to the first rotating shaft (18).

3. A pipe straightening device according to claim 1, characterized in that: The bottom end of the lifting rod (11) is fixedly connected to a second rotating motor (12), the bottom end of the lifting rod (11) is movably connected to a second rotating shaft, the second rotating wheel (17) is fixedly connected to the second rotating shaft, and the end of the output shaft of the second rotating motor (12) is fixedly connected to the second rotating shaft.

4. A pipe straightening device according to claim 1, characterized in that: A groove (23) is provided in the middle of one end of the support block (16) that is adapted to the fixing groove (20); a second hydraulic telescopic rod (19) is fixedly connected to the inner cavity of the fixing groove (20); the second hydraulic telescopic rod (19) is movably connected to the inner cavity of the groove (23); a threaded hole (24) is provided at the output end of the second hydraulic telescopic rod (19); the bolt (21) is threadedly connected to the inner cavity of the threaded hole; a through hole (22) movably connected to the bolt (21) is provided at one end of the groove (23); and another threaded hole (24) adapted to the bolt (21) is provided at the other end of the groove (23).

5. A pipe straightening device according to claim 1, characterized in that: The translation structure 1 comprises a double-ended ball screw (2) movably connected to the base (1), the outer rings at both ends of the double-ended ball screw (2) are threadedly connected to ball nuts 1, the moving rod (3) is fixedly connected to the ball nut 1, and a translation motor 1 (9) is fixed to one end of the base (1), and the end of the output shaft of the translation motor 1 (9) is fixedly connected to the end of the double-ended ball screw (2).

6. A pipe straightening device according to claim 1, characterized in that: The second translation structure comprises a ball screw (6) movably connected to the base (1); the outer ring of the ball screw (6) is threadedly connected to a second ball nut; the support rod (7) is fixedly connected to the second ball nut; one end of the base (1) is fixedly connected to a second translation motor (8); the output shaft end of the second translation motor (8) is fixedly connected to the end of the ball screw (6).

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