Automatic straightening equipment for spiral welded pipe

Abstract

The utility model relates to the technical field of welded pipe production, in particular to automatic straightening equipment for a spiral welded pipe, which comprises a fixed seat, a mounting frame and a fixed part, the number of the fixing frames is two, the fixing frames are connected with the fixing base, and the two fixing frames are provided with through holes. The fixing part is slidably connected with the two fixing frames. The fixing parts are provided with adjusting mechanisms used for adjusting the distance between the multiple fixing parts, the two ends of the mounting frame are connected with the corresponding fixing parts on the two fixing frames respectively, and the mounting frames are each provided with a plurality of electric rollers. The positions of the multiple mounting frames can be adjusted, the adjusting mechanism is started to drive the multiple mounting frames to be close to or away from each other in the radial direction of the through hole, the device can be suitable for welded pipes of different sizes, and applicability is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to welded pipe production technical field, concretely to a spiral welded pipe automatic straightening equipment. BACKGROUND

[0002] Spiral welded pipe is a kind of steel pipe product, by spiral winding into circular pipe with steel strip, then using spiral welding process is welded, finally forms spiral welded pipe product. Straightening machine is the equipment for straightening metal profiles, bars, pipes, wires and the like. Straightening machine is extruded to bar and the like by straightening roller to make it change straightness. After being bitten by roller, product is constantly linear or rotary motion, so that product bears compression, bending, flattening and other deformations in all aspects, finally reaches the purpose of straightening.

[0003] The Chinese patent with the authorization announcement number CN219924158U discloses a welded pipe straightening device, which comprises a base plate seat and a welded pipe straightening mechanism. The welded pipe straightening mechanism comprises straightening rollers, fixed base plates and movable base plates respectively in the form of strip-shaped plates, and an extrusion driving assembly. The fixed base plates and the movable base plates are both slidably arranged on the upper side of the base plate seat and symmetrically distributed left and right. The opposite sides of the fixed base plates and the movable base plates are respectively provided with a plurality of straightening rollers rotatably arranged. The straightening rollers on the fixed base plates and the movable base plates are symmetrically arranged left and right. The movable base plates are driven to move left and right by the extrusion driving assembly. Compared with the prior art, the welded pipe can be effectively straightened by the action of the straightening rollers when the welded pipe passes through the device from front to back. The position of the movable base plates can be adjusted by driving them to move left and right by the extrusion driving assembly, so that the device can effectively straighten welded pipes of different thicknesses.

[0004] However, the above-mentioned technical solution has the following defects: in the above-mentioned welded pipe straightening device, the welded pipe is straightened by pressing the outer peripheral surface of the welded pipe with multiple straightening rollers. The movable base plates are movable, and the fixed base plates are not movable. The center point positions of the two base plates change, making it inconvenient for the welded pipe to smoothly enter between the straightening rollers. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides a spiral welded pipe automatic straightening equipment.

[0006] The technical scheme of the utility model is as follows: a spiral welded pipe automatic straightening equipment comprises a fixed seat, a mounting frame and a fixed part.

[0007] Two fixed frames are arranged, and the two fixed frames are connected to the upper end surface of the fixed seat. The two fixed frames are symmetrically distributed on the fixed seat, and through holes are arranged on the two fixed frames.

[0008] The fixing parts are provided with a plurality of fixing parts, and the fixing parts are respectively slidably connected with two fixing frames.

[0009] The fixing parts are provided with an adjusting mechanism for adjusting the spacing between the fixing parts, the mounting frame is provided with a plurality of mounting frames, and the two ends of the mounting frame are respectively connected with the corresponding fixing parts on the two fixing frames.

[0010] Preferably, the number of fixing parts on one fixing frame is four, the fixing frame is provided with a plurality of sliding grooves, the sliding grooves are one-to-one corresponding to the fixing parts, the plurality of sliding grooves are circumferentially distributed on the fixing frame, and the fixing parts are provided with sliding blocks.

[0011] Preferably, the adjusting mechanism comprises a mounting ring and a driving assembly.

[0012] The mounting ring is rotatably connected with the fixing frame, and the mounting ring is coaxially distributed with the through hole.

[0013] The surface of the mounting ring close to the fixing part is provided with a flat thread, and the sliding block is provided with a thread.

[0014] Preferably, the driving assembly comprises a gear ring, a gear and a driving motor.

[0015] The gear ring is connected with the outer circumferential surface of the mounting ring, the gear is rotatably connected with the fixing frame, the gear is meshingly connected with the gear ring, the fixing frame is provided with a mounting part, the driving motor is connected with the mounting part, and the driving motor is drivingly connected with the gear.

[0016] Preferably, the outer circumferential surface of the electric roller is provided with a groove.

[0017] Preferably, the projection shape of the fixing part is L-shaped, one end of the fixing part is slidably connected with the fixing frame, and the other end of the fixing part is connected with the mounting frame.

[0018] Preferably, the projection shape of the mounting frame is a U-shaped.

[0019] Compared with the prior art, the above technical scheme of the present application has the following beneficial technical effects:

[0020] 1、In the present application, when the welded pipe enters from one end of the device, the electric rollers on the plurality of mounting frames are pressed tightly on the outer circumferential surface of the welded pipe, the welded pipe is straightened after passing through the plurality of electric rollers, and the straightened welded pipe is directly output from the other end of the device, so that the device can continuously process a plurality of welded pipes, and the use is more convenient.

[0021] 2. The positions of multiple mounting brackets in this utility model are adjustable. When the adjustment mechanism is activated, it can drive multiple mounting brackets to move closer or further apart from each other along the radial direction of the through hole, making the device applicable to welded pipes of different sizes and more versatile. Attached Figure Description

[0022] Figure 1 This is a perspective view of an embodiment of the present invention in use.

[0023] Figure 2 This is a schematic diagram of the structure of an automatic straightening device for spiral welded pipes proposed in this utility model.

[0024] Figure 3 This is a cross-sectional view of an automatic straightening device for spiral welded pipes proposed in this utility model.

[0025] Figure 4 This is a schematic diagram of the structure of the fixing part in one embodiment of the present invention.

[0026] Reference numerals: 1. Fixed seat; 2. Fixed frame; 3. Gear ring; 4. Mounting ring; 5. Gear; 6. Drive motor; 7. Electric roller; 8. Mounting bracket; 9. Fixed part; 10. Welded pipe; 11. Flat thread; 12. Thread; 13. Slide groove; 14. Slider. Detailed Implementation

[0027] Example 1

[0028] like Figures 1-4 As shown, the present invention proposes an automatic straightening device for spiral welded pipes, which includes a fixed base 1, a mounting frame 8, and a fixing part 9.

[0029] Two fixing frames 2 are provided. Both fixing frames 2 are connected to the upper end face of the fixing base 1. The two fixing frames 2 are symmetrically distributed on the fixing base 1. Both fixing frames 2 are provided with through holes.

[0030] Multiple fixing parts 9 are provided, and the fixing parts 9 are slidably connected to two fixing frames 2 respectively. The multiple fixing parts 9 on the fixing frame 2 are evenly distributed on the outer circumference of the corresponding through hole.

[0031] Furthermore, the number of fixing parts 9 on the fixing frame 2 is four. The surface of the fixing frame 2 is provided with multiple sliding grooves 13, and each sliding groove 13 corresponds to a fixing part 9. The multiple sliding grooves 13 are evenly distributed around the circumference of the fixing frame 2. Each fixing part 9 is provided with a slider 14, and the slider 14 is slidably connected to the corresponding sliding groove 13.

[0032] The fixing part 9 is provided with an adjustment mechanism for adjusting the spacing between multiple fixing parts 9. The mounting frame 8 is provided with multiple fixing parts 9 at both ends of the mounting frame 8 respectively. The mounting frame 8 is provided with multiple electric rollers 7, which are evenly distributed side by side on the mounting frame 8.

[0033] Further, the fixed part 9 is in the shape of L, one end of the fixed part 9 is slidably connected with the fixed frame 2, the other end of the fixed part 9 is connected with the mounting frame 8, and the mounting frame 8 is in the shape of a concave.

[0034] Further, the outer circumferential surface of the electric roller 7 is provided with a groove.

[0035] In the utility model, when the welded pipe 10 enters from one end of the device, the electric rollers 7 on the multiple mounting frames 8 are pressed on the outer circumferential surface of the welded pipe 10, the welded pipe 10 is straightened after passing through the multiple electric rollers 7, and the welded pipe 10 is directly output from the other end of the device after being straightened, so that the device can continuously process multiple welded pipes, and use is more convenient; and the positions of the multiple mounting frames 8 can be adjusted, the adjusting mechanism can drive the multiple mounting frames 8 to move close to or away from each other along the radial direction of the through hole, so that the device can be suitable for welded pipes 10 of different sizes, and the applicability is stronger.

[0036] Embodiment two

[0037] As shown in Figures 2-4 the utility model discloses a kind of spiral welded pipe automatic straightening equipment, compared to embodiment one, adjusting mechanism includes mounting ring 4 and drive assembly in the embodiment of the application;

[0038] Mounting ring 4 is rotatably connected with fixed frame 2, and mounting ring 4 is coaxially distributed with the through hole; drive assembly is connected with fixed frame 2, and drive assembly is drivingly connected with mounting ring 4.

[0039] The surface of mounting ring 4 close to fixed part 9 is provided with plane thread 11, and sliding block 14 is provided with thread 12; thread 12 on sliding block 14 is connected with plane thread 11 on mounting ring 4.

[0040] In the embodiment, when drive assembly drives mounting ring 4 to rotate, plane thread 11 on mounting ring 4 is connected with thread 12 on sliding block 14, so that sliding block 14 slides in sliding groove 13, and multiple sliding blocks 14 drive corresponding fixed part 9 to move along the radial direction of the through hole.

[0041] Embodiment three

[0042] As shown in Figures 1-3 the utility model discloses a kind of spiral welded pipe automatic straightening equipment, compared to embodiment one, drive assembly includes gear ring 3, gear 5 and drive motor 6 in the embodiment of the application;

[0043] Gear ring 3 is connected with the outer circumferential surface of mounting ring 4; gear 5 is rotatably connected with fixed frame 2; gear 5 is meshingly connected with gear ring 3; fixed frame 2 is provided with mounting part; drive motor 6 is connected with mounting part; and drive motor 6 is drivingly connected with gear 5.

[0044] In this embodiment, the driving motor 6 starts to drive the gear 5 to rotate, the gear 5 is connected with the gear ring 3 in meshing, the gear ring 3 drives the installation ring 4 to rotate on the fixed frame 2.

[0045] The embodiment of the utility model has been explained in detail in combination with the drawings above, but the utility model is not limited to this, still can make various changes in the knowledge range possessed by the technical personnel in the technical field, under the premise of not departing from the utility model purpose.

Claims

1. An automatic straightening device for spiral welded pipes, characterized in that, It includes a mounting base (1), a mounting bracket (8), and a fixing part (9); There are two fixing frames (2), both of which are connected to the upper end face of the fixing seat (1). The two fixing frames (2) are symmetrically distributed on the fixing seat (1), and both fixing frames (2) are provided with through holes. Multiple fixing parts (9) are provided, and the fixing parts (9) are slidably connected to two fixing frames (2) respectively. The multiple fixing parts (9) on the fixing frame (2) are evenly distributed on the outer circumference of the corresponding through hole; The fixing part (9) is provided with an adjustment mechanism for adjusting the distance between multiple fixing parts (9). The mounting frame (8) is provided with multiple fixing parts (9) at both ends of the mounting frame (8) respectively. Multiple electric rollers (7) are provided on the mounting frame (8), and the electric rollers (7) are evenly distributed side by side on the mounting frame (8).

2. The automatic straightening equipment for spiral welded pipes according to claim 1, characterized in that, The number of fixing parts (9) on a fixing frame (2) is four. The surface of the fixing frame (2) is provided with multiple sliding grooves (13). The sliding grooves (13) correspond one-to-one with the fixing parts (9). The multiple sliding grooves (13) are evenly distributed around the circumference of the fixing frame (2). Each fixing part (9) is provided with a slider (14). The slider (14) is slidably connected to the corresponding sliding groove (13).

3. An automatic straightening device for spiral welded pipes according to claim 1 or 2, characterized in that, The adjustment mechanism includes a mounting ring (4) and a drive assembly; The mounting ring (4) is rotatably connected to the fixing frame (2). The mounting ring (4) is coaxially distributed with the through hole. The drive assembly is connected to the fixing frame (2). The drive assembly is connected to the mounting ring (4) through transmission. The mounting ring (4) has a flat thread (11) on its surface near the fixing part (9), and the slider (14) has a thread (12). The thread (12) on the slider (14) is engaged with the flat thread (11) on the mounting ring (4).

4. The automatic straightening equipment for spiral welded pipes according to claim 3, characterized in that, The drive assembly includes a gear ring (3), a gear (5), and a drive motor (6); The gear ring (3) is connected to the outer circumference of the mounting ring (4), the gear (5) is rotatably connected to the fixing frame (2), the gear (5) meshes with the gear ring (3), the fixing frame (2) is provided with a mounting part, the drive motor (6) is connected to the mounting part, and the drive motor (6) drives the gear (5).

5. The automatic straightening equipment for spiral welded pipes according to claim 1, characterized in that, The outer circumferential surface of the electric roller (7) is provided with grooves.

6. The automatic straightening equipment for spiral welded pipes according to claim 1, characterized in that, The projected shape of the fixing part (9) is L-shaped. One end of the fixing part (9) is slidably connected to the fixing frame (2), and the other end of the fixing part (9) is connected to the mounting frame (8).

7. The automatic straightening equipment for spiral welded pipes according to claim 1, characterized in that, The projection shape of the mounting bracket (8) is U-shaped.

Images