CN216937791U - Rotary straightening machine for seamless steel pipe - Google Patents
Rotary straightening machine for seamless steel pipe Download PDFInfo
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- CN216937791U CN216937791U CN202220094695.4U CN202220094695U CN216937791U CN 216937791 U CN216937791 U CN 216937791U CN 202220094695 U CN202220094695 U CN 202220094695U CN 216937791 U CN216937791 U CN 216937791U
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- straightening
- seamless steel
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- driving
- connecting shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a rotary straightening machine for a seamless steel pipe, which comprises a straightening machine frame, a straightening barrel and a rotary driving assembly, wherein two ends of the straightening barrel are connected with a central connecting shaft, the central connecting shaft is rotatably connected to the straightening machine frame through a bearing with a seat, a plurality of groups of straightening rollers are arranged in the straightening barrel side by side, the periphery of the straightening barrel is connected with the rotary driving assembly, the rotary driving assembly drives the straightening barrel to rotate by taking the central axis of the central connecting shaft as the axis, and the center of the central connecting shaft is provided with a central through hole for penetrating the seamless steel pipe. The utility model has compact layout and convenient and quick installation and use, and realizes the working mode of straightening and rotating simultaneously by increasing the rotary driving components.
Description
Technical Field
The utility model relates to the field of straightening machines, in particular to a rotary straightening machine for a seamless steel pipe.
Background
The length of the general seamless steel pipe is not more than 80m, and when the length exceeds 100m, the length is called as a large length. The conventional seamless steel tube has limited length, is linear in the whole rolling process, and achieves the functions of reducing the diameter, the thickness and the growth by rolling the core rod and an external mechanism. When a long seamless steel pipe for an oil cable is uncoiled and rolled by a reel, straightening operation is needed before rolling so as to ensure rolling quality. Therefore, how to develop a rotary leveler for seamless steel pipes to realize a working method of rotating while straightening in the rolling process of long seamless steel pipes has become a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rotary straightener for a seamless steel pipe, which realizes a working mode that a scroll is straightened and rotates after being paid off in the rolling process of a long seamless steel pipe.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to a rotary straightening machine for a seamless steel pipe, which comprises a straightening machine frame, a straightening barrel and a rotary driving assembly, wherein two ends of the straightening barrel are connected with a central connecting shaft, the central connecting shaft is rotatably connected to the straightening machine frame through a bearing with a seat, a plurality of groups of straightening rollers are arranged in the straightening barrel side by side, the periphery of the straightening barrel is connected with the rotary driving assembly, the rotary driving assembly drives the straightening barrel to rotate by taking the central axis of the central connecting shaft as an axis, and the center of the central connecting shaft is provided with a central through hole for penetrating the seamless steel pipe.
Furthermore, the rotary driving assembly comprises a driven gear, a driving gear and a driving motor, the driving motor is arranged in the middle of the bottom of the straightening machine frame, the driven gear is connected to the outer peripheral surface of the straightening barrel in a positioning mode, the driving gear is connected to an output shaft of the driving motor, and the driven gear is meshed with the driving gear.
Furthermore, the driving motors adopt single-head servo motors or double-head servo motors, when the single-head servo motors are adopted, two driving motors are arranged symmetrically, and two driving gears are arranged on output shafts of the two single-head servo motors; when the double-head servo motor is adopted, a driving gear is arranged on each of two output shafts of the double-head servo motor.
Further, the hole diameter of the central through hole is larger than the outer diameter of the seamless steel pipe blank.
Further, the bearing with the seat is connected to the top surface of the frame of the straightening machine through a bolt.
Furthermore, the central connecting shaft and the straightening barrel are connected together through a plurality of bolt assemblies, and the plurality of bolt assemblies are uniformly distributed in the circumferential direction.
Compared with the prior art, the utility model has the beneficial technical effects that:
the utility model relates to a rotary straightening machine for a seamless steel pipe, which comprises a straightening machine frame, a straightening barrel and a rotary driving assembly, wherein the rotary driving assembly comprises a driven gear, a driving gear and a driving motor; when the device works, the driving motor is started, the driving gear rotates and drives the driven gear to rotate, then the straightening barrel is driven to rotate by taking the central axis of the central connecting shaft as an axis, and meanwhile, the upper row and the lower row of straightening rollers synchronously rotate to realize clamping conveying and straightening operation when a seamless steel pipe blank passes through, so that the working mode of rotating while straightening is realized. The utility model has compact layout and convenient and quick installation and use, and realizes the working mode of straightening and rotating by adding the rotary driving assembly.
Drawings
The utility model is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic view showing a rotary leveler for a seamless steel pipe according to an embodiment of the present invention;
FIG. 2 is a schematic view of a second embodiment of a rotary leveler for a seamless steel pipe according to the present invention;
description of reference numerals: 1. a straightening machine frame; 2. a straightening barrel; 3. a straightening roll; 4. a driven gear; 5. a central connecting shaft; 6. a pedestal bearing; 7. a driving gear; 8. a drive motor; 501. a central through hole; 8-1 and a double-head servo motor.
Detailed Description
As shown in fig. 1-2, a rotary straightener for a seamless steel pipe comprises a straightener frame 1, a straightening barrel 2 and a rotary driving assembly, wherein two ends of the straightening barrel 2 are connected with a central connecting shaft 5, the central connecting shaft 5 is rotatably connected to the straightener frame 1 through a bearing with a seat 6, a plurality of groups of straightening rollers 3 are arranged in the straightening barrel 2 side by side, the periphery of the straightening barrel 2 is connected with the rotary driving assembly, the rotary driving assembly drives the straightening barrel 2 to rotate around the central axis of the central connecting shaft 5, and the center of the central connecting shaft 5 is provided with a central through hole 501 through which a seamless steel pipe passes. Specifically, the hole diameter of the central through hole 501 is larger than the outer diameter of the seamless steel tube blank, so that the seamless steel tube can be quickly installed during through connection; the pedestal bearing 6 is connected to the top surface of the straightening machine frame 1 through a bolt, and is convenient and quick to mount and dismount.
Specifically, the rotary driving assembly comprises a driven gear 4, a driving gear 7 and a driving motor 8, the driving motor 8 is arranged in the middle of the bottom of the straightening machine frame 1, the driven gear 4 is connected to the outer peripheral surface of the straightening barrel 2 in a positioning mode, the driving gear 7 is connected to an output shaft of the driving motor 8, and the driven gear 4 is meshed with the driving gear 7. In addition, the driving motor 8 is electrically connected with a PLC controller of the equipment to realize automatic control.
The driving motor 8 adopts a single-head servo motor or a double-head servo motor, as shown in fig. 1, when the single-head servo motor is adopted in the first embodiment, two single-head servo motors are symmetrically arranged, and a driving gear 7 is mounted on each of output shafts of the two single-head servo motors; as shown in fig. 2, when the double-head servo motor 8-1 is adopted in the second embodiment, a driving gear 7 is installed on each of two output shafts of the double-head servo motor 8-1.
Specifically, the central connecting shaft 5 with the straightening barrel 2 is connected together through a plurality of bolt assemblies, and is a plurality of the bolt assemblies are circumferentially and uniformly distributed, and the bolt assemblies are arranged with a central circumferential line concentric with the section of the central connecting shaft 5.
The using process of the utility model is as follows:
firstly, after the seamless steel tube is assembled by the rotary straightening machine, the seamless steel tube is installed on a long seamless steel tube rolling production line and is positioned behind a rotary discharging frame, the end head of a blank passes through a central through hole 501 and an upper straightening roller and a lower straightening roller 3, when the seamless steel tube straightening machine works, a drive motor 8 is controlled by an equipment PLC controller to start, a driving gear 7 rotates and drives a driven gear 4 to rotate, and then a straightening barrel 2 is driven to do rotary motion by taking the central axis of a central connecting shaft 5 as an axis, and simultaneously, the upper straightening roller 3 and the lower straightening roller 3 synchronously clamp to finish blank tube straightening operation, so that the working mode of rotating while straightening is realized.
The utility model discloses a well engaged with driven gear 4 and driving gear 7 symmetrical arrangement realize both sides support and synchronous revolution operation, the effectual stability when having kept the aligning operation.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (6)
1. A rotary straightening machine for seamless steel pipes is characterized in that: the straightening machine comprises a straightening machine frame, a straightening barrel and a rotary driving assembly, wherein two ends of the straightening barrel are connected with a central connecting shaft, the central connecting shaft is rotatably connected onto the straightening machine frame through a bearing with a seat, a plurality of groups of straightening rollers are arranged in the straightening barrel side by side, the periphery of the straightening barrel is connected with the rotary driving assembly, the straightening barrel is driven by the rotary driving assembly to rotate by taking the central axis of the central connecting shaft as the axis, and a central through hole for penetrating a seamless steel pipe is formed in the center of the central connecting shaft.
2. The rotary leveler for seamless steel pipes according to claim 1, wherein: the rotary driving assembly comprises a driven gear, a driving gear and a driving motor, the driving motor is arranged in the middle of the bottom of the straightening machine frame, the driven gear is connected to the outer peripheral surface of the straightening barrel in a positioning mode, the driving gear is connected to an output shaft of the driving motor, and the driven gear is meshed with the driving gear.
3. The rotary leveler for seamless steel pipes according to claim 2, wherein: the driving motors are single-head servo motors or double-head servo motors, when the single-head servo motors are adopted, two driving motors are arranged symmetrically, and two driving gears are arranged on output shafts of the two single-head servo motors;
when the double-head servo motor is adopted, a driving gear is arranged on each of two output shafts of the double-head servo motor.
4. The rotary leveler for seamless steel pipes according to claim 1, wherein: the hole diameter of the central through hole is larger than the outer diameter of the seamless steel pipe blank.
5. The rotary leveler for seamless steel pipes according to claim 1, wherein: the bearing with the seat is connected to the top surface of the straightening machine frame through a bolt.
6. The rotary leveler for seamless steel pipes according to claim 1, wherein: the central connecting shaft and the straightening barrel are connected together through a plurality of bolt assemblies, and the plurality of bolt assemblies are uniformly distributed in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220094695.4U CN216937791U (en) | 2022-01-14 | 2022-01-14 | Rotary straightening machine for seamless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220094695.4U CN216937791U (en) | 2022-01-14 | 2022-01-14 | Rotary straightening machine for seamless steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216937791U true CN216937791U (en) | 2022-07-12 |
Family
ID=82317133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220094695.4U Active CN216937791U (en) | 2022-01-14 | 2022-01-14 | Rotary straightening machine for seamless steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216937791U (en) |
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2022
- 2022-01-14 CN CN202220094695.4U patent/CN216937791U/en active Active
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