Machining roller for special pipe with extra-thick wall

Abstract

The utility model discloses an extra-thick wall special pipe processing roller which comprises a roller body, two ends of the roller body are fixedly connected with reinforcing discs, a middle shaft is fixedly inserted into the roller body, a connecting shaft is fixedly installed on the left side of the middle shaft, a transmission connector is inserted into the right side of the middle shaft, and the transmission connector is fixedly connected with the connecting shaft. And a positioning reinforcing piece is mounted between the outer side of the transmission connector and the reinforcing disc on the right side. The connecting shaft is connected with the bearing part of the external supporting structure, and the transmission connector is connected with the transmission part of the external driving structure, so that when transmission connectors with different sizes need to be replaced, the transmission connectors are detached by detaching the positioning reinforcing piece, and then the transmission connectors with different sizes are replaced for installation; therefore, the device has the advantages of being convenient to match and mount the connecting parts with different sizes, suitable for different driving structures, flexible and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of seamless steel pipe straightening processing, in particular to a special thick-walled pipe processing roller. Background Art

[0002] Extra thick wall seamless steel pipe straightening roller is a key component in the straightening machine. It is mainly used to eliminate the bending of seamless steel pipes during production and processing, and improve their straightness and precision. Generally, bearing connection ends and transmission connection ends are respectively set at both ends of the central shaft.

[0003] At present, the transmission connection end of the straightening roller is fixedly connected to the center shaft as a whole. This means that after the output shaft diameter of the driving mechanism is upgraded, the original processed roller cannot be installed in a matching manner, resulting in a waste of resources and difficulty in flexible adaptation. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a special thick-walled tube processing roller to solve the background technical problems.

[0005] To achieve the above purpose, the utility model adopts the following technical solution.

[0006] A special thick-walled pipe processing roller comprises a roller body, both ends of which are fixedly connected with reinforcement plates, a central axis is inserted and fixed inside the roller body, a connecting shaft is fixedly installed on the left side of the central axis, a transmission connector is inserted on the right side of the central axis, and a positioning reinforcement piece is installed between the outer side of the transmission connector and the reinforcement plate on the right side.

[0007] As a further description of the above technical solution: the positioning reinforcement member includes a positioning ring and long bolts arranged at equal distances, the inner part of the positioning ring is fixedly connected to the left end of the outer side of the transmission connecting head, the left side of the positioning ring is in contact with the reinforcement disk on the right side, the left end of the long bolt is inserted into the left side of the positioning ring and in sliding contact with it, the left end of the long bolt passes through the left side of the reinforcement disk and extends to the interior of the roller body and is threadedly connected to it.

[0008] As a further description of the above technical solution: a first keyway is provided on the outer side of the transmission connector.

[0009] As a further description of the above technical solution: a square rod is fixedly connected to the interior of the transmission connector, and a positioning groove that fits with the square rod is opened inside the right end of the central shaft.

[0010] As a further description of the above technical solution: two second key grooves are provided on the outer side of the connecting shaft.

[0011] As a further description of the above technical solution: an inner concave annular groove is arranged on the outer side of the roller body.

[0012] Compared with the prior art, the advantages of the present invention are:

[0013] This solution uses a positioning reinforcement piece and a transmission connector in combination with a square rod and a positioning groove, thereby achieving the advantages of convenient matching and installation of connecting parts of different sizes, being suitable for different drive structures, and being flexible and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the three-dimensional split structure of the utility model;

[0016] Figure 3 It is a partial front view cross-sectional structural schematic diagram of the utility model.

[0017] Description of the numbers in the figure:

[0018] 1. Roller body; 2. Reinforcement plate; 3. Middle shaft; 31. Positioning groove; 4. Connecting shaft; 41. Second keyway; 5. Transmission connector; 51. First keyway; 52. Square rod; 6. Positioning reinforcement piece; 61. Positioning ring; 62. Long bolt; 7. Inner concave ring groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] See also Figure 1-3 In the utility model, a special thick-walled tube processing roller comprises a roller body 1, both ends of the roller body 1 are fixedly connected with reinforcement plates 2, a central axis 3 is plugged and fixed inside the roller body 1, a connecting shaft 4 is fixedly installed on the left side of the central axis 3, a transmission connector 5 is plugged on the right side of the central axis 3, and a positioning reinforcement piece 6 is installed between the outer side of the transmission connector 5 and the reinforcement plate 2 on the right side.

[0021] In the utility model, the roller body 1 is used as the main body of the device, and the central axis 3 is used to install and position the roller body 1. When in use, the connecting shaft 4 is connected to the bearing part of the external supporting structure, and the transmission connecting head 5 is connected to the transmission part of the external driving structure. When it is necessary to replace the transmission connecting head 5 of a different size, the transmission connecting head 5 is disassembled by disassembling the positioning reinforcement 6, and then the transmission connecting head 5 of a different size is replaced for installation, thereby realizing that the device has the advantages of convenient matching and installation of connecting parts of different sizes, suitable for different driving structures, and flexible and convenient. It solves the problem that the transmission connection end and the center axis in the prior art are both fixedly connected as one body, which results in that after the diameter of the output shaft of the driving mechanism is upgraded and changed, the original processed roller cannot be matched and installed, resulting in waste of resources and difficulty in flexible adaptation.

[0022] See also Figure 2 and Figure 3 , wherein: the positioning reinforcement member 6 includes a positioning ring 61 and long bolts 62 arranged at equal distances, the interior of the positioning ring 61 is fixedly connected to the left end of the outer side of the transmission connector 5, the left side of the positioning ring 61 contacts and cooperates with the reinforcement plate 2 on the right side, the left end of the long bolt 62 is inserted into the left side of the positioning ring 61 and slides in contact with it, the left end of the long bolt 62 passes through the left side of the reinforcement plate 2 and extends to the interior of the roller body 1 and is threadedly connected with it.

[0023] In the utility model, the transmission connector 5 is stably connected by the positioning ring 61 and the long bolt 62, and is convenient for disassembly and replacement, and is flexible to use.

[0024] See also Figure 1 and Figure 2 , wherein: a first keyway 51 is provided on the outer side of the transmission connector 5 .

[0025] In the utility model, the first keyway 51 is used to facilitate transmission positioning connection.

[0026] See also Figure 2 and Figure 3 , wherein: a square rod 52 is fixedly connected inside the transmission connector 5 , and a positioning groove 31 that fits with the square rod 52 is opened inside the right end of the central axis 3 .

[0027] In the utility model, the direction rod 52 cooperates with the positioning groove 31 to achieve stable connection and synchronization between the transmission connector 5 and the central axis 3, thereby ensuring the driving effect.

[0028] See also Figure 1 and Figure 2 , wherein: two second key grooves 41 are provided on the outer side of the connecting shaft 4 .

[0029] In the present invention, the second keyway 41 facilitates the connection between the connecting shaft 4 and the external bearing portion.

[0030] See also Figure 1 and Figure 2 , wherein: an inner concave annular groove 7 is arranged on the outer side of the roller body 1.

[0031] In the utility model, the outer side of the roller body 1 is more closely fitted to the outer wall of the seamless steel pipe through the inner concave annular groove 7.

[0032] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A roller for processing special thick-walled pipes, comprising a roller body (1), characterized in that: Both ends of the roller body (1) are fixedly connected to reinforcement plates (2); a central axis (3) is inserted and fixed inside the roller body (1); a connecting shaft (4) is fixedly installed on the left side of the central axis (3); a transmission connector (5) is inserted on the right side of the central axis (3); and a positioning reinforcement member (6) is installed between the outer side of the transmission connector (5) and the reinforcement plate (2) on the right side.

2. The special thick wall tube processing roller according to claim 1, characterized in that: The positioning reinforcement member (6) comprises a positioning ring (61) and long bolts (62) arranged at equal distances, the interior of the positioning ring (61) is fixedly connected to the left end of the outer side of the transmission connector (5), the left side of the positioning ring (61) is in contact with the reinforcement plate (2) on the right side, the left end of the long bolt (62) is inserted into the left side of the positioning ring (61) and is in sliding contact with the reinforcement plate (2), and the left end of the long bolt (62) passes through the left side of the reinforcement plate (2) and extends to the interior of the roller body (1) and is threadedly connected to the reinforcement plate (2).

3. The special thick wall tube processing roller according to claim 1, characterized in that: A first keyway (51) is provided on the outer side of the transmission connector (5).

4. The special thick wall tube processing roller according to claim 1, characterized in that: A square rod (52) is fixedly connected inside the transmission connector (5), and a positioning groove (31) that fits with the square rod (52) is provided inside the right end of the central shaft (3).

5. The special thick wall tube processing roller according to claim 1, characterized in that: Two second key grooves (41) are provided on the outer side of the connecting shaft (4).

6. The special thick wall tube processing roller according to claim 1, characterized in that: The outer side of the roller body (1) is provided with an inner concave annular groove (7).

Images