CN-122008080-A - Pipe cutting and cleaning assembly and cleaning method

CN122008080ACN 122008080 ACN122008080 ACN 122008080ACN-122008080-A

Abstract

The invention relates to a pipe cutting and cleaning assembly which comprises a frame, a supporting mechanism arranged on the frame, a cutting mechanism matched with the frame and a cleaning mechanism, wherein the supporting mechanism comprises a supporting workbench, a supporting displacement assembly for driving the supporting workbench to reciprocate in a single degree of freedom, a roller group for supporting the pipe and a jacking device, the roller group drives the pipe to rotate and cut the pipe through the cutting mechanism, the cleaning mechanism is used for cleaning the pipe, and the jacking device is used for vertically jacking the cut and cleaned pipe and inclining the cut and cleaned pipe in the horizontal direction.

Inventors

TANG JIREN
LIU WENCHUAN
LU YIYU
Chang Shuaikang
ZHANG XINWEI
FAN MENGYAN

Assignees

重庆大学

Dates

Publication Date: 20260512
Application Date: 20260309

Claims (10)

1. The pipe cutting and cleaning assembly is characterized by comprising a frame (1), a supporting mechanism arranged on the frame (1) and matched with a pipe (12), a cutting mechanism matched with the frame (1) and a cleaning mechanism, wherein the supporting mechanism comprises a supporting workbench (9), a supporting displacement assembly (7) arranged on the frame (1) and used for driving the supporting workbench (9) to reciprocate in a single degree of freedom, a roller group (11) arranged on the supporting workbench (9) and used for supporting the pipe (12) and a jacking device (18) arranged at the end part of the supporting workbench (9), the roller group (11) drives the pipe (12) to rotate and cut the pipe (12) through the cutting mechanism, and the cleaning mechanism is matched with the cut pipe (12) to clean, and the jacking device (18) is used for vertically jacking the pipe (12) after cutting and cleaning and is inclined with the horizontal direction.
2. The pipe cutting and cleaning assembly according to claim 1, wherein the jacking device (18) comprises a positioning lifting assembly, a sliding lifting assembly and a jacking air cylinder (19), wherein the positioning lifting assembly, the sliding lifting assembly and the jacking air cylinder (19) are hinged to each other and installed on the supporting workbench (9), and the jacking air cylinder (19) drives the sliding lifting assembly to lift in the vertical direction and drives the positioning lifting assembly to synchronously lift in the vertical direction.
3. The pipe cutting and cleaning assembly according to claim 2, wherein the sliding lifting assembly comprises a sliding support leg (22) which is matched with the supporting workbench (9) and is installed in a sliding and adjusting mode along the axial direction of the roller group (11), a sliding lifting rod (21) hinged to the sliding support leg (22) and a sliding lifting arm (23) installed at the upper end of the sliding lifting rod (21), the positioning lifting assembly comprises a fixed support leg fixedly installed on the supporting workbench (9), a positioning lifting rod (20) hinged to the fixed support leg and a positioning lifting arm (24) installed at the upper end of the positioning lifting rod (20), and the installation height of the sliding lifting arm (23) is higher than that of the positioning lifting arm (24).
4. The pipe cutting and cleaning assembly according to claim 3, wherein the sliding lifting arms (23) and the positioning lifting arms (24) are arranged in parallel, and arc-shaped positioning grooves (25) for lifting the pipe (12) are formed in the sliding lifting arms (23) and the positioning lifting arms (24).
5. The pipe cutting and cleaning assembly according to claim 1, wherein the support displacement assembly (7) comprises a workbench guide rail (10) arranged at the lower end of the support workbench (9) and a hydraulic telescopic rod for driving the support workbench (9) to be slidingly adjusted, and a workbench lower slider matched with the workbench guide rail (10) for sliding use is arranged at the lower end part of the support workbench (9).
6. The pipe cutting and cleaning assembly according to claim 1, wherein the two support tables (9) are identical in structure, the two support tables (9) are arranged on the same straight line, the two groups of support displacement assemblies (7) are respectively matched with the two support tables (9) in a driving mode, and the two groups of support displacement assemblies (7) are respectively matched with the two support tables (9) in a driving mode.
7. The pipe cutting and cleaning assembly according to claim 1, wherein the end part of the supporting workbench (9) is provided with two axial limiting members (8), and the two axial limiting members (8) are respectively and correspondingly arranged at the two ends of the supporting workbench (9).
8. The pipe cutting and cleaning assembly according to claim 1, wherein the cutting mechanism comprises a cutting execution assembly and a cutting displacement assembly for driving the cutting execution assembly to move, the cutting displacement assembly comprises a cutting support (2) arranged on a frame (1), a transverse guide rail (3) fixedly arranged on the cutting support (2), a transverse base (4) arranged in a sliding adjustment mode in cooperation with the transverse guide rail (3) and a longitudinal sliding block (5) arranged on the transverse base (4) in a sliding adjustment mode, the transverse base (4) can be transversely adjusted in a sliding mode along the transverse guide rail (3), and the longitudinal sliding block (5) can be adjusted in a sliding mode along the longitudinal direction of the transverse base (4).
9. The pipe cutting and cleaning assembly according to claim 8, wherein the cutting execution assembly comprises a rotary driving unit (15) mounted on the longitudinal sliding block (5) in a rotary adjustment manner and a water jet nozzle (16) mounted in cooperation with the rotary driving unit (15), the rotary driving unit (15) drives the water jet nozzle (16) to rotate and is used for cutting the pipe (12), and the cleaning mechanism comprises a cleaning nozzle (14) mounted on the rotary driving unit (15), and the rotary driving unit (15) drives the cleaning nozzle (14) to rotate in a rotary adjustment manner and is used for cleaning the pipe (12).
10. The pipe cutting and cleaning method is characterized by adopting the pipe cutting and cleaning assembly according to any one of claims 1-9 to carry out cutting and cleaning and comprises the following steps: S1, mounting a pipe (12) to be cut on a supporting workbench (9), and axially limiting the pipe (12) through an axial limiting member (8); s2, controlling a roller group (11) supporting a workbench (9) to synchronously rotate in the same direction to drive a pipe (12) to rotate around the axis of the roller group at a set linear speed; S3, after the pipe (12) is completely cut off, driving the two supporting tables (9) to slide along opposite directions to enable the two cut-off pipe sections (12) to be misplaced, driving the roller group (11) to rotate and driving the cleaning mechanism to clean the inside and the outside of the two cut-off pipe sections (12) respectively; and S4, after the cleaning mechanism finishes cleaning, the roller group (11) continues to rotate, and then the jacking device (18) is started to obliquely jack the cut pipe (12).

Description

Pipe cutting and cleaning assembly and cleaning method Technical Field The invention relates to the field of metal pipe cutting, in particular to a pipe cutting and cleaning assembly and a cleaning method. Background The alloy steel cylindrical pipe (alloy steel pipe for short) is a hollow round pipe which is prepared by adding various metal elements on the basis of carbon steel and performing hot rolling, cold rolling and seamless or welding processes, has the advantages of high strength, temperature resistance, corrosion resistance and light weight, and relates to a large number of use scenes in the fields of petroleum, chemical industry, electric power and national defense engineering, and the existing alloy steel pipe (with typical diameter of 250-350 mm) is required to be subjected to on-site cutting and cleaning of internal residues (such as cement, medicinal powder and the like) so as to meet on-site use. The traditional operation mode mainly depends on manual cooperation of hand-held cutting equipment (such as an angle grinder and a flame cutter) or a fixed water knife workstation to cut, and cleaning is carried out after cutting is completed, so that the defects that the existing equipment is required to carry, position and clamp the pipe manually, particularly, the labor intensity of manual feeding is high, cutting precision cannot be ensured for two sections of pipe after cutting, cutting efficiency and quality ‌ are affected, cleaning is required for the pipe after cutting is completed, water stains are easy to form after cleaning the inside and the outside of the pipe, and if the pipe is waited to be dried on the equipment, cutting of the follow-up pipe is affected. Therefore, in order to solve the above problems, a pipe cutting and cleaning assembly and a construction method are required. Disclosure of Invention According to the pipe cutting and cleaning assembly, the pipe is positioned and supported through the supporting mechanism integrally installed on the frame, the pipe is accurately cut and subsequently cleaned through the cutting mechanism and the cleaning mechanism, then the cut pipe is lifted and inclined through the lifting device supporting the end part of the workbench, the rapid separation of inner and outer water stains of the cut pipe is ensured, the waiting time of the pipe on equipment is reduced, and the processing efficiency is improved. The technical scheme for solving the technical problems is as follows: on one hand, the pipe cutting and cleaning assembly comprises a frame, a supporting mechanism, a cutting mechanism and a cleaning mechanism, wherein the supporting mechanism is arranged on the frame and matched with a pipe to use, the cutting mechanism is matched with the frame to install, the supporting mechanism comprises a supporting workbench, a supporting displacement assembly, a roller group and a jacking device, the supporting displacement assembly is arranged on the frame and used for driving the supporting workbench to reciprocate in a single degree of freedom, the roller group is arranged on the supporting workbench and used for supporting the pipe, the jacking device is arranged at the end part of the supporting workbench and used for driving the pipe to rotate and cut the pipe through the cutting mechanism, the cleaning mechanism is matched with the cut pipe to clean, and the jacking device is used for vertically jacking the cut pipe and inclining the cut pipe in the horizontal direction. Further, the jacking device comprises a positioning lifting assembly, a sliding lifting assembly and a jacking air cylinder which are hinged to each other and mounted on the supporting workbench, wherein the jacking air cylinder drives the sliding lifting assembly to lift in the vertical direction and drives the positioning lifting assembly to synchronously lift in the vertical direction. The positioning lifting assembly comprises a fixed support leg fixedly mounted on the support workbench, a positioning lifting rod hinged on the fixed support leg and a positioning lifting arm mounted on the upper end of the positioning lifting rod, and the mounting height of the positioning lifting arm is higher than that of the positioning lifting arm. Further, the sliding lifting arms and the positioning lifting arms are arranged in parallel, and arc-shaped positioning grooves matched with the lifting of the pipe are formed in the sliding lifting arms and the positioning lifting arms. Further, the support displacement assembly comprises a workbench guide rail arranged at the lower end of the support workbench and a hydraulic telescopic rod for driving the support workbench to slide and adjust, and a workbench lower sliding block matched with the workbench guide rail for sliding is arranged at the lower end of the support workbench. Further, the two support work tables with the same structure are arranged on the same straight line, and the two groups of support displacement assemblies are