CN110732536B - Plastic-lined pipe plastic-lined layer removing equipment - Google Patents
Plastic-lined pipe plastic-lined layer removing equipment Download PDFInfo
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- CN110732536B CN110732536B CN201911112174.6A CN201911112174A CN110732536B CN 110732536 B CN110732536 B CN 110732536B CN 201911112174 A CN201911112174 A CN 201911112174A CN 110732536 B CN110732536 B CN 110732536B
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- pipeline
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- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 230000000704 physical effect Effects 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The invention relates to the technical field of steel pipe machining, and particularly discloses a plastic lining layer removing device for a plastic lining pipe. The utility model provides a layer removing equipment is moulded to lining plastic pipe lining, this equipment includes frame mechanism, draws a tub mechanism and power unit, and wherein, utilizes frame mechanism to treat the pipeline of processing to fix, draws a tub mechanism and frame mechanism relatively fixed to utilize to draw the cutter in the tub mechanism, under the drive of power unit to the cutter, treat the lining plastic layer of processing pipeline inner wall and cut. The equipment is characterized in that a pipe drawing shaft is erected on a workbench, and a power mechanism is externally connected to the equipment for axial movement of the pipe drawing shaft; the height of the workbench is adjusted according to the pipe diameter of the pipe to be processed so as to achieve the coaxiality of the pipe digging shaft and the processing pipe; firstly, a first cutter is used for evenly dividing the whole plastic lining layer into four parts; and a second cutter is used for the second time, and the cut four plastic lining layers are separated from the inner wall of the pipeline, so that the physical property removing mode is more convenient, energy is saved, and no pollution is caused.
Description
Technical Field
The invention belongs to the technical field of steel pipe machining, and particularly relates to a plastic lining layer removing device for a plastic lining pipe.
Background
In the industrial field, plastic-lined pipes are widely used due to their excellent corrosion resistance and good mechanical properties.
The plastic lining layer of the pipeline can be corroded after long-term use, so that the pipeline can fail, but the external metal pipeline can still reach the use standard. The lining plastic can be continuously used only after the original lining plastic layer of the old pipeline is removed. Moreover, the old pipeline can be directly put into use after plastic lining is performed again, and the cost can be saved, but the new pipeline cannot meet the requirements. At present, manufacturers remove the lining plastic layer by using a high energy consumption and high pollution method of hot melting, so that the manufacturers are not willing to perform lining removal on the old pipelines.
Disclosure of Invention
The invention aims to provide a device for removing a plastic lining layer of a plastic lining pipe, which can remove the original plastic lining layer of the plastic lining pipe more effectively, conveniently and environmentally-friendly.
The technical scheme of the invention is as follows: the utility model provides a layer removing equipment is moulded to lining plastic pipe lining, this equipment includes frame mechanism, draws a tub mechanism and power unit, and wherein, utilizes frame mechanism to treat the pipeline of processing to fix, draws a tub mechanism and frame mechanism relatively fixed to utilize to draw the cutter in the tub mechanism, under the drive of power unit to the cutter, treat the lining plastic layer of processing pipeline inner wall and cut.
The frame mechanism comprises a main body frame, guide rails and a fixing frame, wherein a plurality of pipeline flange fixing guide rails which are parallel to each other are arranged on two side walls of the upper end of the main body frame of the frame structure, and the fixing frame is arranged on the guide rails; the pipeline to be processed is placed on the main body frame, and the pipeline flanges at the front end and the rear end of the pipeline to be processed are fixed by the fixing frame.
The pipe drawing mechanism comprises a pipe drawing frame, a workbench, a pipe drawing shaft and a cutter disc, wherein the pipe drawing frame is fixed on the frame mechanism, the workbench is arranged on the pipe drawing frame, and the workbench can move up and down; the working table is provided with a pipe digging shaft, and the pipe digging shaft is pushed by a power mechanism, so that a cutter disc at the top end of the pipe digging shaft is pushed, a cutter fixed on the cutter disc is used for cutting a plastic lining layer of a pipeline to be processed.
The cutter disc comprises a cutter fixing device and cutters, wherein holes for fixing the cutters are formed in four mutually perpendicular supporting arms of the cutter fixing device.
The cutter comprises a first cutter and a second cutter, wherein the cutter handle of the first cutter is provided with a sliding structure and scales, and the length of the first cutter can be set according to the diameter of a pipeline to be processed; the second cutters are arc cutters, and when four second cutters are arranged on the cutter fixing device, a round cutter surface can be formed.
The center of the workbench is provided with a gear and a hole for fixing a tube drawing shaft, the tube drawing shaft penetrates through the hole in the center of the workbench, and the gear on the workbench is matched with the thread of the tube drawing shaft; the workbench is fixed with the pipe drawing frame through bolts and moves up and down through the sliding rail, so that the pipe drawing shaft can adapt to the axial position of a pipeline to be processed.
Two parallel guide rails are respectively arranged on two side walls of the upper end of the main body frame, and the guide rails can be fixed on the main body frame through bolts.
The front end and the rear end of the guide rail are respectively provided with a fixing frame, the fixing frames can slide along the guide rail and can prop against the front end face and the rear end face of the pipeline flange to be processed, and after the fixing frames are relatively fixed with the guide rail, the pipeline flange to be processed is positioned and fixed.
The power mechanism comprises a motor, and the motor can drive a gear on a workbench in the pipe drawing mechanism to drive the pipe drawing shaft to move.
The invention has the remarkable effects that: according to the plastic lining pipe plastic lining layer removing device, four cutters are arranged on the cutter disc, every two adjacent cutters form an included angle of ninety degrees, and the adjacent cutters are fixed by the cutter fixing device through screws. The pipe drawing shaft is erected on a workbench, and is externally connected with a power mechanism for axial movement of the pipe drawing shaft; the height of the workbench is adjusted according to the pipe diameter of the pipe to be processed so as to achieve the coaxiality of the pipe digging shaft and the processing pipe; the length of the cutter is adjusted, the cutter is provided with a sliding structure and scales, the length can be set according to the inner diameter of the pipeline, and the lengths of the four cutters are ensured to be the same. The first time the entire plastic-lined layer was cut into four parts on average using a first knife. And a second cutter is used for the second time, and the cut four plastic lining layers are separated from the inner wall of the pipeline, so that the physical property removing mode is more convenient, energy is saved, and no pollution is caused.
Drawings
FIG. 1 is a schematic diagram of a plastic-lined pipe and plastic-lined layer removing device according to the present invention;
FIG. 2 is a schematic diagram of the gear assembly of FIG. 1;
FIG. 3 is a schematic view of the frame mechanism of FIG. 1;
FIG. 4 is a schematic view of the pipe drawing mechanism in FIG. 1;
FIG. 5 is an enlarged schematic view of the cutter disc of FIG. 4;
FIG. 6 is a schematic view of the first tool of FIG. 5;
FIG. 7 is a schematic view of the structure of the second tool;
In the figure: 1. a main body frame; 2. a guide rail; 3. a fixing frame; 4. drawing a pipe rack; 5. a work table; 6. drawing out a tube shaft; 7. a cutter disc; 8. a cutter fixing device; 9. a first cutter; 10. and a motor.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific examples.
As shown in fig. 1 to 7, the device for removing the plastic lining layer of the plastic lining pipe comprises a frame mechanism, a pipe drawing mechanism and a power mechanism, wherein the frame mechanism is used for fixing a pipe to be processed, and the power mechanism is used for driving a cutter on the pipe drawing mechanism to cut the plastic lining layer on the inner wall of the pipe; the frame mechanism comprises a main body frame 1, guide rails 2 and a fixing frame 3, wherein a plurality of mutually parallel pipeline flange fixing guide rails 2 are arranged on two side walls of the upper end of the main body frame 1 of the frame structure, for example, two mutually parallel guide rails 2 are respectively arranged on two side walls of the upper end of the main body frame 1, and the guide rails 2 can be fixed on the main body frame 1 through bolts; a fixing frame 3 is respectively arranged at the front and the back of each guide rail 2, the fixing frame 3 can slide along the guide rails 2 and can prop against the front end face and the back end face of the pipeline flange to be processed, and after the fixing frame 3 and the guide rails 2 are relatively fixed, the pipeline flange to be processed is positioned and fixed; the pipe drawing mechanism comprises a pipe drawing frame 4, a workbench 5, a pipe drawing shaft 6 and a cutter disc 7, wherein the pipe drawing frame 4 is spliced on the main body frame 1 through welding, the workbench 5 is arranged on the pipe drawing frame 4, a gear and a hole for fixing the pipe drawing shaft are formed in the center of the workbench 5, the pipe drawing shaft 6 penetrates through the hole in the center of the workbench 5, and the gear on the workbench 5 is matched with the threads of the pipe drawing shaft 6; the workbench 5 is fixed with the pipe drawing frame 4 through bolts and moves up and down through a sliding rail, so that the pipe drawing shaft 6 can adapt to the axial position of a pipeline to be processed; the power mechanism mainly comprises a motor 10, and the motor 10 can drive a gear on the workbench so as to drive the pipe drawing shaft 6 to rotate; a cutter disc 7 is fixedly spliced at the front end of the pipe drawing shaft 6, wherein the cutter disc comprises a cutter fixing device 8 and cutters, holes for fixing the cutters are formed in four mutually perpendicular supporting arms of the cutter fixing device 8, a sliding structure is arranged on a first cutter 9, scales are arranged on the first cutter 9, the length of the first cutter 9 is set according to the inner diameter of a pipeline, and the lengths of the four cutters are ensured to be the same; the second cutters are arc cutters and form a circle when four second cutters are mounted on the cutter holder 8.
The device for removing the plastic lining layer of the plastic lining pipe can install the pipeline according to the size of the externally connected flange plate of the substitute processing pipeline, and the fixed frame guide rail is arranged on the installation pipeline; selecting a proper pipeline flange fixing frame according to the diameter of the pipeline flange plate, and installing the pipeline flange fixing frame on a pipeline flange fixing frame guide rail; according to the diameter of the flange hole, selecting a flange fixing frame, adjusting the position of the flange fixing frame, and fixing the flange fixing frame and a flange plate of a substitute processing pipeline through bolts to realize the fixation of the pipeline; the height of the workbench is adjusted according to the height of the pipeline, the pipe drawing shaft is arranged on the workbench, and a cutter disc is arranged at the top end of the pipe drawing shaft; selecting a first cutter, adjusting the length of the whole cutter by sliding, installing the first cutter on a cutter disc, pushing the cutter to advance by power generated by a motor, and cutting the whole plastic lining layer into four parts; and selecting the second cutters during cutting, so that four second cutters form a circular cutter, and separating the four plastic lining layers from the pipeline by feeding to finish the pipeline plastic lining layer removing work.
Claims (6)
1. The utility model provides a lining plastic pipe lining plastic layer remove equipment which characterized in that: the device comprises a frame mechanism, a pipe drawing mechanism and a power mechanism, wherein the frame mechanism is used for fixing a pipeline to be processed, the pipe drawing mechanism is relatively fixed with the frame mechanism, and a cutter in the pipe drawing mechanism is used for cutting a plastic lining layer on the inner wall of the pipeline to be processed under the drive of the power mechanism; the pipe drawing mechanism comprises a pipe drawing frame (4), a workbench (5), a pipe drawing shaft (6) and a cutter disc (7), wherein the pipe drawing frame (4) is fixed on the frame mechanism, the workbench (5) is arranged on the pipe drawing frame (4), and the workbench (5) can move up and down; a pipe drawing shaft (6) is arranged on the workbench (5), the pipe drawing shaft (6) is pushed by a power mechanism, so that a cutter disc (7) at the top end of the pipe drawing shaft (6) is pushed, and a cutter fixed on the cutter disc (7) is used for cutting a plastic lining layer of a pipeline to be processed; the cutter disc (7) comprises a cutter fixing device (8) and cutters, wherein holes for fixing the cutters are formed in four mutually perpendicular supporting arms of the cutter fixing device (8); the cutter comprises a first cutter (9) and a second cutter, wherein the cutter handle of the first cutter (9) is provided with a sliding structure and scales, and the length of the first cutter (9) can be set according to the diameter of a pipeline to be processed; the second cutters are arc cutters, and when four second cutters are arranged on the cutter fixing device (8), a round cutter surface can be formed.
2. The plastic-lined pipe plastic-lined layer removing apparatus according to claim 1, wherein: the frame mechanism comprises a main body frame (1), guide rails (2) and a fixing frame (3), wherein a plurality of mutually parallel pipeline flange fixing guide rails (2) are arranged on two side walls of the upper end of the main body frame (1) of the frame structure, and the fixing frame (3) is arranged on the guide rails (2); the pipeline to be processed is placed on the main body frame (1), and pipeline flanges at the front end and the rear end of the pipeline to be processed are fixed by the fixing frame (3).
3. The plastic-lined pipe plastic-lined layer removing apparatus according to claim 1, wherein: the center of the workbench (5) is provided with a gear and a hole for fixing the hollow shaft (6), the hollow shaft (6) passes through the hole in the center of the workbench (5), and the gear on the workbench (5) is matched with the threads of the hollow shaft (6); the workbench (5) is fixed with the pipe drawing frame (4) through bolts and moves up and down through a sliding rail, so that the pipe drawing shaft (6) can adapt to the axial position of a pipeline to be processed.
4. The plastic-lined pipe plastic-lined layer removing apparatus according to claim 2, wherein: two parallel guide rails (2) are respectively arranged on two side walls of the upper end of the main body frame (1), and the guide rails (2) can be fixed on the main body frame (1) through bolts.
5. The plastic-lined pipe plastic-lined layer removing apparatus according to claim 2, wherein: the front end and the rear end of the guide rail (2) are respectively provided with a fixing frame (3), the fixing frames (3) can slide along the guide rail (2) and can prop against the front end face and the rear end face of the pipeline flange to be processed, and after the fixing frames (3) are relatively fixed with the guide rail (2), the pipeline flange to be processed is positioned and fixed.
6. The plastic-lined pipe plastic-lined layer removing apparatus according to claim 1, wherein: the power mechanism comprises a motor (10), and the motor (10) can drive a gear on a workbench in the pipe drawing mechanism to drive the pipe drawing shaft (6) to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911112174.6A CN110732536B (en) | 2019-11-14 | Plastic-lined pipe plastic-lined layer removing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911112174.6A CN110732536B (en) | 2019-11-14 | Plastic-lined pipe plastic-lined layer removing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110732536A CN110732536A (en) | 2020-01-31 |
| CN110732536B true CN110732536B (en) | 2024-07-16 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205395140U (en) * | 2016-02-02 | 2016-07-27 | 天津君诚金利管业有限责任公司 | A layer remove device is moulded to steel pipe lining |
| CN211304113U (en) * | 2019-11-14 | 2020-08-21 | 中核核电运行管理有限公司 | Plastic lining layer removing equipment for plastic lining pipe |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205395140U (en) * | 2016-02-02 | 2016-07-27 | 天津君诚金利管业有限责任公司 | A layer remove device is moulded to steel pipe lining |
| CN211304113U (en) * | 2019-11-14 | 2020-08-21 | 中核核电运行管理有限公司 | Plastic lining layer removing equipment for plastic lining pipe |
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