A 1000mpa pressure steel pipe welding opening slope device

Abstract

A kind of 1000MPa grade pressure steel pipe welding is opened slope device, including chuck fixed component, rotating assembly, angle adjusting assembly and polishing device, wherein: rotating assembly is arranged on chuck fixed component, angle adjusting assembly for adjusting cutting angle is arranged in the inside of rotating assembly, polishing device is arranged in angle adjusting assembly execution end.The chuck fixed component can be fixed concentrically in the circumferential direction of steel pipe by being set, and the cutting assembly can be driven to rotate in the circumferential direction of steel pipe by being set rotating assembly, and then the purpose of opening slope is achieved, so that the opening slope method will make the opening slope surface smooth and neat, not convenient for welding, and the device body is relatively small, easy to carry.And by setting angle adjusting assembly, the angle of opening slope can be adjusted, and the opening slope effect is enhanced.

Description

Technical Field

[0001] This utility model relates to the field of steel pipe beveling technology, specifically a beveling device for welding 1000MPa pressure steel pipes. Background Technology

[0002] Application number CN201920288832.6 discloses a steel pipe slope-opening machine, including: a frame, a motor, a controller, a transmission belt, a first rotating shaft, a sanding belt, a second rotating shaft, a third rotating shaft, a conveying trough, a steel pipe, and a moving device. The motor is installed inside the frame and is electrically connected to the controller. The motor is connected to the first rotating shaft via the transmission belt. The first rotating shaft is connected to the second and third rotating shafts via the sanding belt. A conveying trough is provided to the right of the sanding belt, and a steel pipe is provided on the upper side of the conveying trough. The moving device is installed to the right of the sanding belt and includes a slider, a handle, a sliding rod, a rotating rod, a connecting body, a screw, a gear, and a fourth rotating shaft. A handle is installed on the upper side of the slider. The sliding rod is installed through the middle of the slider. The bottom end of the rotating rod is welded to the top end of the screw. The screw is threadedly engaged with the inner side of the connecting body and is engaged with the gear. The middle part of the gear is welded to the fourth rotating shaft. The screw is installed through the inner side of the frame.

[0003] While the aforementioned existing technologies can be used for slope cutting, the steel pipe needs to be lifted onto the main body of the device, which is quite cumbersome. In addition, the slope cutting device is large and difficult to carry, and using only a grinding wheel makes it difficult to make the sloped surface smooth and neat, which is not convenient for welding. Utility Model Content

[0004] The purpose of this invention is to provide a beveling device for welding 1000MPa pressure steel pipes, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A beveling device for welding 1000MPa pressure steel pipes includes a chuck fixing assembly, a rotating assembly, an angle adjusting assembly, and a grinding device, wherein:

[0007] The rotating component is mounted on the chuck fixing component, and an angle adjusting component for adjusting the cutting angle is provided inside the rotating component. The grinding device is located at the end of the angle adjusting component.

[0008] Preferably, the rotating assembly includes a gear ring, a gear, and a motor. The gear ring is rotatably mounted on the end of the chuck fixing assembly and the two are concentric. The gear is rotatably mounted on the end of the chuck fixing assembly and meshes with an external gear ring provided on the gear ring. The motor is located on the chuck fixing assembly and is powered by the gear.

[0009] Preferably, the angle adjustment assembly includes a slider, a screw I, a linear electric cylinder, a connecting block, and a locking assembly. The slider is slidably disposed in a vertically opened mounting groove on the inner side of the gear ring. The screw I passes through the slider and is rotatably mounted on the gear ring. The screw I cooperates with the slider to form a threaded transmission. The slider is provided with a linear electric cylinder. The connecting block is disposed at the actuating end of the linear electric cylinder. The grinding device is rotatably mounted on the connecting block. The connecting block is provided with a locking assembly for limiting the rotation of the grinding device.

[0010] Preferably, the locking assembly includes a friction block and a screw II. The two friction blocks are movably mounted on the connecting block and are arranged on both sides of the grinding device. The friction blocks are in contact with the grinding device. The screw II passes through the friction blocks and is rotatably mounted on the connecting block. The screw II cooperates with the friction blocks to form a threaded drive.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This utility model discloses a beveling device for welding 1000MPa pressure steel pipes. During operation, a chuck fixing assembly concentrically fixes the beveling device to the circumference of the steel pipe, while a rotating assembly drives the cutting assembly to rotate circumferentially, thus achieving the beveling purpose. This beveling method results in a smooth and neat beveling surface, which is convenient for welding. The device itself is small and easy to carry. Furthermore, an angle adjustment assembly allows for adjustment of the beveling angle, enhancing the beveling effect. Attached Figure Description

[0013] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0015] Figure 3 for Figure 2 Schematic diagram of section A in the middle;

[0016] Figure 4 This is a three-dimensional schematic diagram of the locking component in this utility model.

[0017] In the diagram: 1. Chuck fixing assembly, 2. Rotating assembly, 3. Angle adjustment assembly, 4. Grinding device, 21. Gear ring, 22. Gear, 31. Slider, 32. Screw I, 33. Linear electric cylinder, 34. Connecting block, 35. Locking assembly, 351. Friction block, 352. Screw II. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example:

[0020] Please see Figures 1 to 4 This utility model provides a technical solution:

[0021] A beveling device for welding 1000MPa pressure steel pipes includes a chuck fixing assembly 1, a rotating assembly 2, an angle adjusting assembly 3, and a grinding device 4, wherein:

[0022] The rotating component 2 is mounted on the chuck fixing component 1. The chuck fixing component 1, as the fixing part of the slope opening device, can be fixed on the outer side of the steel pipe and concentric with the steel pipe, which facilitates slope opening. The inner side of the rotating component 2 is provided with an angle adjusting component 3 for adjusting the cutting angle. The grinding device 4 is located at the execution end of the angle adjusting component 3.

[0023] As a preferred embodiment, the grinding device 4 is preferably an angle grinder of model number Dongcheng S1M-FF-180SH. The grinding device 4 is a conventional technical means for those skilled in the art, and its principle and function will not be described in detail here.

[0024] In a preferred embodiment, the chuck fixing assembly 1 adopts a structure similar to a three-jaw chuck as the fixing part. The three-jaw chuck has a self-locking function. Therefore, the chuck fixing assembly 1 is a conventional technical means for those skilled in the art, and its principle and function will not be described in detail here. How the chuck fixing assembly 1 is clamped on the pipe to be sloped is also a conventional technical means for those skilled in the art.

[0025] In a preferred embodiment, the rotating assembly 2 includes a gear ring 21, a gear 22, and a motor. The gear ring 21 is rotatably mounted on the end face of the chuck fixing assembly 1 and the two are concentric. The end face of the gear ring 21 is provided with an annular key, while the end face of the outer shell of the chuck fixing assembly 1, which serves as a support part, is provided with an annular keyway. The gear ring 21 and the chuck fixing assembly 1 are engaged by the annular key and the annular keyway. The gear 22 is rotatably mounted on the outer shell of the chuck fixing assembly 1, which serves as a support part, and meshes with the external gear ring provided on the gear ring 21. The motor is located on the outer shell of the chuck fixing assembly 1, which serves as a support part, and is poweredly connected to the gear 22.

[0026] In a preferred embodiment, the angle adjustment assembly 3 includes a slider 31, a screw I 32, a linear electric cylinder 33, a connecting block 34, and a locking assembly 35. The slider 31 is slidably disposed in a vertically opened mounting groove on the inner side of the gear ring 21. The slider 31 forms a sliding pair in the mounting groove on the inner side of the gear ring 21, and the direction of movement of the slider 31 is the same as the direction of the central axis of the gear ring 21. The screw I 32 passes through the slider 31 and is rotatably mounted on the gear ring 21. The screw I 32 and the slider 31 cooperate to form a threaded transmission. Rotating the screw I 32 can drive the slider 31 to move on the screw I 32. The slider 31 is provided with a linear electric cylinder 33. The connecting block 34 is disposed at the execution end of the linear electric cylinder 33. The grinding device 4 is rotatably mounted on the connecting block 34. The connecting block 34 is provided with a locking assembly 35 for limiting the rotation of the grinding device 4.

[0027] In a preferred embodiment, the locking assembly 35 includes a friction block 351 and a screw II 352. The two friction blocks 351 are movably mounted on the connecting block 34 and positioned on either side of the grinding device 4. The friction blocks 351 fit within a linear guide groove on the side of the connecting block 34, forming a linear sliding pair within the groove. The friction blocks 351 contact the grinding device 4. The screw II 352 passes through the friction blocks 351 and is rotatably mounted on the connecting block 34. The screw II 352 engages with the friction blocks 351, forming a threaded transmission. Friction plates are provided on the friction blocks 351, and the friction blocks 351 contact the grinding device 4 through these friction plates.

[0028] The working principle of this utility model:

[0029] When using this device, the sloping device is first concentrically fixed to the circumference of the steel pipe by the chuck fixing assembly 1. Then, the grinding device 4 is pushed out from the gear ring 21 by the linear electric cylinder 33. Then, the screw I 32 and screw II 352 are rotated to drive the slider 31 to move and adjust the grinding angle of the grinding device 4. After the angle is adjusted, the motor is started, and the gear ring 21 is driven to rotate by the gear 22. The gear ring 21 then drives the grinding device 4 to rotate along the circumference of the steel pipe to achieve the purpose of sloping.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A beveling device for welding 1000MPa pressure steel pipes, comprising a chuck fixing assembly (1), a rotating assembly (2), an angle adjusting assembly (3), and a grinding device (4), characterized in that: The rotating component (2) is mounted on the chuck fixing component (1), and the inner side of the rotating component (2) is provided with an angle adjusting component (3) for adjusting the cutting angle. The grinding device (4) is located at the end of the angle adjusting component (3).

2. The beveling device for welding 1000MPa pressure steel pipes according to claim 1, characterized in that: The rotating assembly (2) includes a gear ring (21), a gear (22) and a motor. The gear ring (21) is rotatably mounted on the end of the chuck fixing assembly (1) and the two are concentric. The gear (22) is rotatably mounted on the end of the chuck fixing assembly (1) and meshes with the external gear ring provided on the gear ring (21). The motor is provided on the chuck fixing assembly (1) and is poweredly connected to the gear (22).

3. The beveling device for welding 1000MPa pressure steel pipes according to claim 2, characterized in that: The angle adjustment assembly (3) includes a slider (31), a screw I (32), a linear electric cylinder (33), a connecting block (34), and a locking assembly (35). The slider (31) is slidably disposed in a vertically opened mounting groove on the inner side of the gear ring (21). The screw I (32) passes through the slider (31) and is rotatably mounted on the gear ring (21). The screw I (32) cooperates with the slider (31) to form a threaded transmission. The linear electric cylinder (33) is provided on the slider (31). The connecting block (34) is located at the execution end of the linear electric cylinder (33). The grinding device (4) is rotatably mounted on the connecting block (34). The connecting block (34) is provided with a locking assembly (35) for limiting the rotation of the grinding device (4).

4. The beveling device for welding 1000MPa pressure steel pipes according to claim 3, characterized in that: The locking assembly (35) includes a friction block (351) and a screw II (352). The two friction blocks (351) are movably mounted on the connecting block (34) and are arranged on both sides of the grinding device (4). The friction blocks (351) are in contact with the grinding device (4). The screw II (352) passes through the friction blocks (351) and is rotatably mounted on the connecting block (34). The screw II (352) cooperates with the friction blocks (351) to form a threaded drive.

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