Feeding mechanism for pipe welding unit

Abstract

The utility model belongs to the technical field of pipe welding units, and particularly relates to a feeding mechanism for a pipe welding unit. The device comprises an unwinding device, and the unwinding device comprises an unwinding shaft; the track is arranged in the axial direction of the unwinding shaft. The transport vehicle is arranged on the track in a matched mode. A lifting platform is installed on the top of the transport vehicle. The supporting roller set is arranged on the lifting platform and used for bearing the peripheral face of the steel coil. The limiting roller sets are arranged on the two sides of the supporting roller set and used for limiting the two end faces of the steel coil. The steel coil feeding device is used for solving the problem during steel coil feeding. The limiting roller sets are arranged on the lifting platform at the top of the transport vehicle and used for limiting the two end faces of the steel coil, the peripheral face of the steel coil is supported through the supporting roller sets, then the steel coil limiting effect is achieved from four aspects, the risk that the transport vehicle topples over in the moving process is avoided, meanwhile, the limiting roller sets make contact with the steel coil in a roller piece mode, and the steel coil is prevented from falling off. And abrasion to the surface of the steel coil is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to welded pipe unit technical field, concretely relates to a feeding mechanism for welded pipe unit. BACKGROUND

[0002] The welded pipe unit is an automatic device for continuously producing welded steel pipes, and is widely applied in the fields of petroleum, natural gas, building and machinery by integrally processing forming, welding and finishing of steel coils or plates, wherein, the unwinding machine is a core device for feeding in the welded pipe unit production line, and is responsible for stably unwinding and conveying the steel coil to the subsequent process.

[0003] At present, the feeding of the coiled steel coil is basically through the hoisting equipment such as the crane to hoist the steel coil to the unwinding shaft of the unwinding machine, but this assembly mode usually needs to manually align the center of the steel coil with the unwinding shaft, in order to quickly realize the centering, at present, a transport trolley for centering is usually arranged near the unwinding shaft, after the steel coil is placed on the transport trolley, the steel coil is pushed onto the unwinding shaft by the movement of the transport trolley.

[0004] However, since the center of the steel coil needs to be aligned with the unwinding shaft on the transport trolley, the steel coil is vertically placed on the transport trolley, and during the translation of the transport trolley, the steel coil is easy to be unstable, if the steel coil is tilted, not only the equipment will be damaged, the production will be affected, but also the personnel safety problem will be caused. INVENTION CONTENTS

[0005] In view of the deficiencies of the prior art, a welded pipe feeding mechanism is provided to solve the problems during the feeding of the steel coil.

[0006] The technical scheme for solving the above technical problem is as follows: a welded pipe feeding mechanism, comprising:

[0007] An unwinding device, the unwinding device comprising an unwinding shaft;

[0008] A track, arranged along the axial direction of the unwinding shaft;

[0009] A transport trolley, matched and arranged on the track, the top of the transport trolley being provided with a lifting platform;

[0010] A support roller group, arranged on the lifting platform, the support roller group being used for supporting the outer circumferential surface of the steel coil;

[0011] A limiting roller group, arranged on both sides of the support roller group, used for limiting the two end surfaces of the steel coil.

[0012] Compared with the prior art, the above technical scheme has the following beneficial effects:

[0013] By setting the limiting roller group on the lifting platform on the top of the transport vehicle, the two end faces of the steel coil are limited, and the peripheral surface of the steel coil is supported by the supporting roller group, thereby limiting the steel coil from four aspects to avoid the risk of the transport vehicle falling during movement. At the same time, the limiting roller group contacts the steel coil through the roller, avoiding the wear of the surface of the steel coil. The transport vehicle is aligned with the unwinding shaft in the unwinding device through the track, ensuring that the center of the steel coil on the transport vehicle is inserted into the unwinding shaft after the transport vehicle is moved to the position.

[0014] Based on the above technical solutions, the embodiments of the present application can also be improved as follows:

[0015] In an embodiment, the limiting roller group comprises:

[0016] The first limiting member is installed on one side of the supporting roller group and is used to limit one end face of the steel coil.

[0017] The driving mechanism is arranged in the middle of the supporting roller group along the axial direction of the unwinding shaft.

[0018] The second limiting member is installed on the output end of the driving mechanism and moves back and forth with the output end of the driving mechanism. The second limiting member is used to limit the other end face of the steel coil.

[0019] The first limiting member limits one end face of the steel coil, and the second limiting member limits the other end face of the steel coil. At the same time, the second limiting member is installed on the driving mechanism, and the driving mechanism can move the second limiting member to adjust the distance between the two limiting members, so that steel coils of different sizes can be effectively limited.

[0020] In an embodiment, the driving mechanism comprises:

[0021] The driving shaft is rotationally connected to the lifting platform, and the sliding block for installing the second limiting member is screwed on the driving shaft.

[0022] The driving cylinder is installed on the lifting platform, and the output end thereof is drivingly connected with the driving shaft.

[0023] In an embodiment, the first limiting member comprises:

[0024] Two telescopic members are arranged on the lifting platform.

[0025] The first limiting roller has two ends respectively connected with the top ends of the two telescopic members, and the first limiting roller is used to contact the end face of the steel coil.

[0026] The first limiting member can drive the first limiting roller on the top to move up and down through the telescopic member therein, so that the first limiting roller contacts the end face of the steel coil when in use, and the second limiting roller does not contact the end face of the steel coil when not in use.

[0027] In an embodiment, the second limiting member comprises:

[0028] A rotating seat is arranged on the output end of the driving mechanism, and a right-angle groove is arranged on the top of the rotating seat;

[0029] A second limiting roller is rotatably connected to one end of the right-angle groove, and the right-angle groove is used to limit the rotation of the second limiting roller in the vertical plane.

[0030] The second limiting member guarantees that the second limiting roller can swing in the vertical plane through the right-angle groove, and the right-angle groove limits the swing of the second limiting roller within the range of 90 degrees. When in use, the second limiting roller is rotated around the end rotatably connected to the right-angle groove to stand vertically, and the rotating seat is rotated to make the opening of the right-angle groove face the steel coil, so that the driving mechanism drives the second limiting roller to firmly press against the end face of the steel coil. When not in use, the rotating seat is rotated to make the opening of the right-angle groove not align with the end face of the steel coil, and the second limiting roller is rotated around the bottom to lie flat on the lifting platform.

[0031] In an embodiment, the supporting roller group comprises two roller assembly components, and the two roller assembly components are arranged along the vertical direction of the unwinding shaft to support the outer circumferential surface of the steel coil.

[0032] In an embodiment, the roller assembly component comprises:

[0033] A wedge-shaped block is arranged on the top of the lifting platform;

[0034] A roller member is fixed at both ends of the wedge-shaped block through two bearing seats. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the following specific embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0036] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0037] Figure 2 It is a schematic diagram of the overall structure of the present application. Figure 1

[0038] It is a schematic diagram of the overall structure of the present application. Figure 3 Figure 2 It is a schematic diagram of the overall structure of the present application.

[0039] Reference signs: ​

[0040] 1, unwinding device; 2, unwinding shaft; 3, track; 4, transport vehicle; 5, lifting platform; 6, supporting roller set; 7, limiting roller set; 8, pin shaft; 9, guide column;

[0041] 601, roller assembly; 6011, wedge block; 6012, roller piece;

[0042] 701, first limiting piece; 702, second limiting piece; 703, driving mechanism; 704, transmission groove;

[0043] 7011, telescopic piece; 7012, first limiting roller;

[0044] 7021, rotating seat; 7022, right-angle groove; 7023, second limiting roller;

[0045] 7031, driving shaft; 7032, sliding block; 7033, driving cylinder; DETAILED DESCRIPTION

[0046] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, and therefore only serve as examples, and cannot limit the protection scope of the utility model.

[0047] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be understood as the usual meaning understood by the technical personnel in the field to which the utility model belongs.

[0048] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply 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 a limitation on the utility model.

[0049] In addition, the terms "first", "second" and the like are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0050] In this application, unless otherwise expressly provided and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0051] As shown in Figures 1-3 The utility model provides a kind of welding pipe feeding mechanism, it includes: unwinding device 1, track 3, transport car 4, support roller group 6 and limit roller group 7.

[0052] Unwinding device 1 is arranged at target position, and the unwinding device 1 includes unwinding shaft 2, and unwinding shaft 2 is cantilever type unwinding shaft 2.

[0053] Track 3 is arranged on the ground near unwinding shaft 2 side, and track 3 is arranged along the axial direction of the unwinding shaft 2, and transport car 4 is matched and arranged on the track 3, and the bottom roller is matched on the track 3, to ensure that transport car 4 is in track in real time, and lifting platform 5 is installed on the top of the transport car 4, and guide column 9 is arranged between the bottom four corners of lifting platform 5 and transport car 4, and lifting platform 5 can vertically take off to lift the steel coil placed thereon.

[0054] Support roller group 6 is arranged on the lifting platform 5, and the support roller group 6 is used for supporting the outer periphery of the steel coil, and limit roller group 7 is arranged on the two sides of the support roller group 6, and is used for limiting the two end surfaces of the steel coil, and the support roller group 6 and the limit roller group 7 are arranged around the four surfaces of the steel coil, and play the roles of supporting and limiting respectively.

[0055] Further, by arranging limit roller group 7 on the lifting platform 5 on the top of transport car 4, the two end surfaces of the steel coil are limited, and the periphery of the steel coil is supported by support roller group 6, so that the steel coil is limited from four aspects, avoiding the risk of tilting of transport car 4 during movement, and limit roller group 7 contacts the steel coil through roller, avoiding the wear of the surface of the steel coil, and transport car 4 is aligned with unwinding shaft 2 in unwinding device 1 through track 3, to ensure that the center of the steel coil on transport car 4 is inserted into unwinding shaft 2 after transport car 4 is moved to position.

[0056] The support roller set 6 comprises two roller assembly 601, two roller assembly 601 is arranged along the vertical direction of the unwinding shaft 2, for supporting the outer surface of the coil, the roller assembly 601 supporting the outer surface of the coil is arranged on the lifting platform 5 located on both sides of the unwinding shaft 2, the center axis of the coil can be kept parallel to the axis of the unwinding shaft 2, and then the coil can be smoothly inserted into the unwinding shaft 2 through the lifting platform 5.

[0057] The roller assembly 601 comprises a wedge block 6011 and a roller 6012.

[0058] The wedge block 6011 is arranged on the top of the lifting platform 5, the slope surface of the wedge block 6011 faces inward, and the two ends of the roller 6012 are fixed on the slope surface of the wedge block 6011 through two bearing seats, so that the wedge block 6011 can strengthen the lifting platform 5 and the roller 6012.

[0059] In the embodiment, the limiting roller set 7 comprises a first limiting piece 701, a second limiting piece 702 and a driving mechanism 703.

[0060] The first limiting piece 701 is installed on one side of the support roller set 6, and is used for limiting one end surface of the coil, when the outer surface of the coil contacts with the roller 6012, the first limiting piece 701 located on the side of the support roller set 6 can limit the end surface of the coil.

[0061] The second limiting piece 702 is arranged in the middle of the support roller set 6 along the axial direction of the unwinding shaft 2, and is used for limiting the other end surface of the coil.

[0062] The driving mechanism 703 is arranged between the two roller assemblies 601, and the second limiting piece 702 is installed on the output end of the driving mechanism 703, and moves back and forth with the output end of the driving mechanism 703, that is, moves back and forth along the axial direction of the unwinding shaft 2, so as to drive the second limiting piece 702 to move close to or away from the coil, and the second limiting piece is used for limiting the other end surface of the coil.

[0063] The first limiting piece 701 limits one end surface of the coil, and the second limiting piece 702 limits the other end surface of the coil, and the second limiting piece 702 is installed on the driving mechanism 703, so that the driving mechanism 703 can drive the second limiting piece 702 to move, adjust the distance between the two limiting pieces, and realize the limiting effect of the coils with different sizes.

[0064] In the embodiment, the driving mechanism 703 comprises a driving shaft 7031 and a driving cylinder 7033, and the driving shaft 7031 is rotatably connected to the lifting platform 5.

[0065] Specifically, the lifting platform 5 is provided with a transmission groove 704 in the axial direction, and a drive shaft 7031 is rotationally connected in the transmission groove 704, avoiding interference between the transmission shaft and the upper steel coil. A sliding block 7032 for mounting the second limiting piece 702 is screwed on the drive shaft 7031. The sliding block 7032 is also limited in the transmission groove 704 and can guide the sliding block 7032.

[0066] A drive cylinder 7033 is installed on the lifting platform 5, and the output end thereof is in transmission connection with the drive shaft 7031. The drive cylinder 7033 rotates to drive the transmission shaft to rotate, and in turn drives the sliding block 7032 screwed thereon to reciprocate.

[0067] To ensure that the first limiting piece 701 does not affect the steel coil when the steel coil is placed and does not interfere with the steel coil, the first limiting piece 701 comprises two telescopic pieces 7011 and a first limiting roller 7012.

[0068] The two telescopic pieces 7011 are arranged on the lifting platform 5 and are arranged in the axial direction perpendicular to the unwinding shaft 2. They are arranged on both sides of the unwinding shaft 2 and are located at the ends of the roller assembly 601.

[0069] The two ends of the first limiting roller 7012 are respectively connected with the top ends of the two telescopic pieces 7011. The telescopic pieces 7011 can drive the first limiting roller 7012 to ascend and descend when they are telescoped. The first limiting roller 7012 is used to contact the end face of the steel coil.

[0070] The first limiting piece 701 can drive the first limiting roller 7012 at the top to move up and down through the telescopic piece 7011 therein. When in use, the first limiting roller 7012 rises to contact the end face of the steel coil. When not in use, the second limiting roller 7023 descends without contacting the end face of the steel coil.

[0071] Similarly, to ensure that the second limiting piece 702 does not affect the steel coil when the steel coil is placed, the second limiting piece 702 comprises a rotating seat 7021 and a second limiting roller 7023.

[0072] As Figures 2-3As shown, the rotating seat 7021 is arranged on the output end of the driving mechanism 703, specifically on the slider 7032 of the driving mechanism 703, and follows the slider 7032 to approach or move away from the steel coil, a right-angle groove 7022 is formed on the top of the rotating seat 7021, the right-angle groove 7022 penetrates the top and the side wall of the rotating seat 7021, one end of the second limiting roller 7023, specifically the bottom end, is rotatably connected to the right-angle groove 7022 through a pin shaft 8, and the right-angle groove 7022 is used to limit the rotation of the second limiting roller 7023 in a vertical plane, specifically, the right-angle groove 7022 limits the second limiting roller 7023 to rotate upward from a horizontal state to a vertical state in the vertical plane, and the rotation angle is controlled within ninety degrees.

[0073] The second limiting member 702 ensures that the second limiting roller 7023 can swing in the vertical plane through the right-angle groove 7022, and the right-angle groove 7022 limits the swing of the second limiting roller 7023 within ninety degrees, in use, the second limiting roller 7023 rotates around the end rotatably connected to the right-angle groove 7022 to stand up to a vertical state, as shown in Figure 1 As shown, the rotating seat 7021 is arranged on the output end of the driving mechanism 703, specifically on the slider 7032 of the driving mechanism 703, and follows the slider 7032 to approach or move away from the steel coil, a right-angle groove 7022 is formed on the top of the rotating seat 7021, the right-angle groove 7022 penetrates the top and the side wall of the rotating seat 7021, one end of the second limiting roller 7023, specifically the bottom end, is rotatably connected to the right-angle groove 7022 through a pin shaft 8, and the right-angle groove 7022 is used to limit the rotation of the second limiting roller 7023 in a vertical plane, specifically, the right-angle groove 7022 limits the second limiting roller 7023 to rotate upward from a horizontal state to a vertical state in the vertical plane, and the rotation angle is controlled within ninety degrees. Figure 2 、 3 As shown.

[0074] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A feeding mechanism for a pipe welding train, characterized by comprising: The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism.

2. The feeding mechanism according to claim 1, wherein The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism.

3. The feeding mechanism according to claim 2, wherein The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism.

4. The feeding mechanism according to claim 2, wherein The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism.

5. The feeding mechanism according to claim 2, wherein The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism.

6. The loading mechanism of claim 1, wherein, The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism.

7. The loading mechanism of claim 6, wherein, The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. The utility model relates to a steel coil unwinding device, which comprises a steel coil unwinding device, a track, a transport vehicle, a support roller group, a limiting roller group and a driving mechanism. 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