Synchronous channeling device for two ends of pipeline

Abstract

The utility model relates to a synchronous channeling device for two ends of a pipeline. The synchronous channeling device comprises two groups of channeling heads and corresponding driving mechanisms, wherein the channeling heads are oppositely arranged on a base; and a main shaft of the channeling head is connected with a driving mechanism through a one-way bearing (overrun clutch). The one-way bearing is utilized, and the problems that due to the fact that two driving mechanisms are not synchronous, torsion is generated, a pipeline is damaged, and synchronous groove rolling at the two ends of the pipeline cannot be achieved are solved.

Description

Technical Field

[0001] The utility model provides a synchronous groove rolling device at both ends of a pipeline, which is mainly used for cold extrusion groove rolling of pipelines (steel pipes) and belongs to the field of hardware and electromechanical. Background Art

[0002] At present, in the process of laying pipelines (steel pipes), many two steel pipes are connected by clamps. The clamp connection requires grooves at both ends of the steel pipe. The existing technology can only groove one end of the steel pipe first, and then groove the other end of the steel pipe. There is no way to use two groove rolling machines to groove both ends of the steel pipe at the same time. The reason is that the driving mechanisms (motors) of the two groove rolling machines cannot achieve synchronization (consistent speed). Once the speeds of the two driving mechanisms are inconsistent, torque will be generated, which will damage the steel pipe. In practice, choosing a servo motor or a synchronous motor as the driving mechanism of the groove rolling machine in order to achieve synchronization of the two driving mechanisms is not only costly, but also impossible to achieve synchronous groove rolling. How to achieve synchronous groove rolling at both ends of the pipeline is a difficult problem that needs to be solved urgently in the industry. Utility Model Content

[0003] The utility model aims to provide a synchronous groove rolling device at both ends of a pipeline, which utilizes a one-way bearing to solve the problem that two driving mechanisms are not synchronized, resulting in torque, damage to the pipeline, and failure to synchronously roll grooves at both ends of the pipeline.

[0004] To achieve the above purpose, the technical solution of the utility model is:

[0005] A synchronous grooving device at both ends of a pipe comprises two grooving heads arranged opposite to each other on a base and a driving mechanism for the two grooving heads; the grooving heads comprise a main shaft passing through a main shaft box, a pressure wheel driven by a pressure wheel lifting mechanism, and a roller connected to the main shaft and arranged outside the main shaft box, and the main shaft of the grooving head is connected to the driving mechanism via a one-way bearing.

[0006] The driving mechanism is connected to the outer ring of the one-way bearing, and the main shaft of the groove rolling head is connected to the inner ring of the one-way bearing; or, the driving mechanism is connected to the inner ring of the one-way bearing, and the main shaft of the groove rolling head is connected to the outer ring of the one-way bearing.

[0007] The groove rolling head and the driving mechanism are fixedly arranged on the base plate, and the base plate is slidably connected with the pedestal.

[0008] The driving mechanism is an electric motor.

[0009] The advantages of the utility model are: 1. By utilizing the characteristic that a one-way bearing can rotate freely in one direction and is locked in another direction, a one-way bearing is connected between the groove rolling head and the driving mechanism. During the groove rolling process of the pipe, when the speed of one end is high, the other end will be driven to rotate together, and no torque will be generated at both ends of the pipe, and the pipe will not be damaged; 2. By using a one-way bearing, the driving mechanism can be an ordinary motor, which has low cost and high efficiency; 3. By using a one-way bearing, the structure of the original groove rolling machine is not changed, which is an innovation on the original machine, has good applicability, low transformation cost, and is conducive to promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 Schematic diagram of the synchronous groove rolling device at both ends of the pipeline of the utility model Figure 1 ;

[0011] Figure 2 Schematic diagram of the synchronous groove rolling device at both ends of the pipeline of the utility model Figure 2 ;

[0012] In the figure: 1-base; 2-grooving head; 21-spindle box; 22-spindle; 23-pressing wheel lifting mechanism; 24-pressing wheel; 25-roller; 3-driving mechanism; 4-one-way bearing; 41-outer ring of one-way bearing; 42-inner ring of one-way bearing; 5-base plate; 6-pipeline. DETAILED DESCRIPTION

[0013] The utility model is further described below in conjunction with the accompanying drawings. The accompanying drawings are only used for exemplary description and cannot be understood as limiting the present patent.

[0014] In order to more concisely describe the present embodiment, some parts known to those skilled in the art but not related to the main content of the present invention are omitted in the drawings or descriptions. In addition, for the convenience of description, some parts in the drawings are omitted, enlarged or reduced, but they do not represent the size or entire structure of the actual product.

[0015] The utility model relates to a synchronous groove rolling device at both ends of a pipeline, such as Figure 1 , Figure 2 As shown, it includes two groove rolling heads 2 arranged opposite to each other on a base 1 and a driving mechanism 3 of the two groove rolling heads 2.

[0016] Preferably, the groove rolling heads 2 and the driving mechanism 3 are fixedly arranged on the base plate 5 , and the base plate 5 is slidably connected to the base 1 , so that the distance between the two groove rolling heads 2 can be adjusted according to the length of the pipeline 6 .

[0017] The groove rolling head 2 includes a main shaft 22 passing through a main shaft box 21, a pressure wheel 24 driven by a pressure wheel lifting mechanism 23, and a roller 25 connected to the main shaft 22 and arranged outside the main shaft box 21. The main shaft 22 of the groove rolling head is connected to the driving mechanism 3 through a one-way bearing 4.

[0018] The one-way bearing 4 is also called an overrunning clutch, and its characteristic is that it can rotate freely in one direction, and will be locked in the non-rotating direction. By connecting the one-way bearing 4 between the groove rolling head 2 and the driving mechanism 3 at both ends of the pipe 6, grooves can be rolled at both ends of the pipe 6 at the same time. The pipe 6 will not generate torque due to the inconsistent rotation speed of the driving mechanism 3 at both ends. The end with a faster rotation speed will drive the other end to rotate. The two ends of the pipe 6 have a characteristic that if one end rotates faster, the other end will follow the rotation, that is, whichever one rotates faster will follow the other. No torque will be generated at both ends of the pipe 6, and the pipe 6 will not be twisted or damaged.

[0019] like Figure 2 As shown, the driving mechanism 3 is connected to the inner ring 42 of the one-way bearing, and the main shaft 22 of the groove rolling head is connected to the outer ring 41 of the one-way bearing. Alternatively, the driving mechanism 3 is connected to the outer ring 41 of the one-way bearing, and the main shaft 22 of the groove rolling head is connected to the inner ring 42 of the one-way bearing. Both of the above two connection methods can achieve the same effect.

[0020] Because of the one-way bearing 4, the driving mechanism 3 of the groove rolling head 2 can be a motor, and no expensive servo motor or stepper motor is needed. Because of the one-way bearing 4, the synchronous groove rolling operation at both ends of the pipe 6 can be achieved without changing the structure of the original groove rolling machine.

[0021] The above description is only a preferred embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. That is, any equivalent changes and modifications made according to the content of the patent application scope of the present invention should be within the technical scope of the present invention.

Claims

1. A synchronous groove rolling device for both ends of a pipeline, characterized in that: The invention comprises two groove rolling heads (2) arranged opposite to each other on a base (1) and a driving mechanism (3) for the two groove rolling heads (2); the groove rolling head (2) comprises a main shaft (22) inserted into a main shaft box (21), a pressing wheel (24) driven by a pressing wheel lifting mechanism (23), and a roller (25) connected to the main shaft (22) and arranged outside the main shaft box (21); the main shaft (22) of the groove rolling head is connected to the driving mechanism (3) via a one-way bearing (4).

2. The synchronous groove rolling device for both ends of a pipe according to claim 1, characterized in that: The drive mechanism (3) is connected to the outer ring (41) of the one-way bearing, and the main shaft (22) of the groove rolling head is connected to the inner ring (42) of the one-way bearing; or, the drive mechanism (3) is connected to the inner ring (42) of the one-way bearing, and the main shaft (22) of the groove rolling head is connected to the outer ring (41) of the one-way bearing.

3. The synchronous groove rolling device for both ends of a pipe according to claim 1, characterized in that: The groove rolling head (2) and the driving mechanism (3) are fixedly arranged on a base plate (5), and the base plate (5) is slidably connected to the base (1).

4. The synchronous grooving device for pipe ends according to any one of claims 1 to 3, characterized in that: The driving mechanism (3) is a motor.

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