CN111376120A - Pipeline centre gripping grinding device - Google Patents
Pipeline centre gripping grinding device Download PDFInfo
- Publication number
- CN111376120A CN111376120A CN202010356452.9A CN202010356452A CN111376120A CN 111376120 A CN111376120 A CN 111376120A CN 202010356452 A CN202010356452 A CN 202010356452A CN 111376120 A CN111376120 A CN 111376120A
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- CN
- China
- Prior art keywords
- clamping
- pipeline
- rotating
- arc
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/40—Single-purpose machines or devices for grinding tubes internally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention relates to a pipeline clamping and polishing device which comprises a base, a track, supporting legs, a clamping device, a polishing device, a positioning device and a supporting seat, wherein the supporting legs are arranged on the base; the base is provided with a track, the supporting legs are connected to the track in a sliding mode, the upper ends of the supporting legs are provided with rotating seats, the rotating seats are connected with rotating shafts in a rotating mode, and the rotating shafts are provided with clamping devices and polishing devices; the positioning device is arranged on the rotating seat; the clamping device comprises arc-shaped blocks, clamping rods and radial plates, wherein the radial plates are fixed on the rotating shaft, one end of each arc-shaped block is arranged at the top end of one radial plate, the other end of each arc-shaped block is arranged at the bottom end of the other radial plate, one end of each clamping rod slides on the arc-shaped block, the other end of each clamping rod is clamped on the inner surface of the pipeline, and the clamping rods are used for clamping pipelines with different diameters at different positions of the arc-shaped blocks; the pull rod is used for pulling the annular magnet to slide on the rotating shaft, so that the grinding device can grind the length direction of the pipeline and is suitable for grinding the inside of pipelines with various diameters.
Description
Technical Field
The invention relates to the technical field of pipelines, in particular to the technical field of pipeline clamping and polishing devices.
Background
At present, pipelines are installed in more and more occasions, the damage of the pipelines needs to be repaired, the pipelines usually need to be cut and replaced, and intact pipelines are welded at the damaged positions, but because the pipelines are inconvenient to be clamped, a common external clamping device easily forms clamping marks on the outside of the pipelines, the situations of leakage holes and breakage are easily caused, and for metal pipelines with thin pipe walls, the pipelines can be deformed possibly due to the external clamping device, and the welding can not be normally finished; because the difference of application scenario, the pipeline is also more inequality, and some are carried out the device that the pipeline inner wall was polished specially, can only satisfy polishing in single aperture, and adopt the artifical mode of polishing, cause the influence to the pipeline internal diameter easily, produce the error, lead to the unable normal butt joint of pipeline, cause scrapping of whole root pipeline, cause economic loss and influence construction speed.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention provides the pipeline clamping and polishing device which has the advantages of no clamping mark on the surface of a pipeline, difficulty in deforming the pipeline, convenience in polishing the inside of the pipeline and suitability for pipelines with various diameters.
The invention provides the following technical scheme that the pipeline clamping and polishing device comprises a base, a track, supporting legs, a clamping device, a polishing device, a positioning device and a supporting seat; the base is provided with a track, the supporting legs are connected to the track in a sliding mode, the upper ends of the supporting legs are provided with rotating seats, the rotating seats are connected with rotating shafts in a rotating mode, and the rotating shafts are provided with clamping devices and polishing devices; the positioning device is arranged on the rotating seat; the clamping device comprises arc-shaped blocks, clamping rods and radial plates, wherein the radial plates are fixed on the rotating shaft, one end of each arc-shaped block is arranged at the top end of one radial plate, the other end of each arc-shaped block is arranged at the bottom end of the other radial plate, one end of each clamping rod slides on the arc-shaped block, the other end of each clamping rod is clamped on the inner surface of the pipeline, and the clamping rods are used for clamping pipelines with different diameters at different positions of the arc-shaped blocks; the polishing device comprises an annular magnet, a spring, a magnetic block and a polishing block; the annular magnet is sleeved on the rotating shaft, one end of the spring is connected to the annular magnet, the other end of the spring is connected to one side of the magnetic block, and the grinding block is connected to the other side of the magnetic block.
Preferably, the gripping shank is larger in diameter at a position distant from the axis of rotation than at a position close to the axis of rotation.
Preferably, the bottom of the clamping rod is provided with a sliding block, the arc-shaped block is provided with a T-shaped groove, and the sliding block is matched with the T-shaped groove.
Preferably, the magnetic block and the polishing block are both arc-shaped; the magnetic block has opposite magnetic poles to the annular magnet.
Preferably, the track is a T-shaped groove, the supporting legs and the supporting seat are provided with sliding blocks, and the sliding blocks are in sliding fit with the T-shaped groove.
Preferably, the supporting legs are of multi-stage telescopic structures, and the telescopic driving devices of the supporting legs drive the multi-stage telescopic structures to stretch and retract.
Preferably, one end of the pull rod is fixedly connected with one side of the ring-shaped magnet, the other end of the pull rod penetrates through a hole of the rotating seat, the pull rod is arranged in parallel with the axial direction of the rotating shaft, and the ring-shaped magnet is pulled by the pull rod to slide on the rotating shaft.
Preferably, the supporting seat upper end is provided with stop device, and stop device includes spacing bottom plate, spacing riser, locating piece, limiting screw, and the both ends of spacing bottom plate are equipped with spacing riser, and spacing riser is equipped with limiting screw, and the upper surface at spacing bottom plate is established to the locating piece, and the upper surface of locating piece is the arc recess.
Preferably, the positioning device comprises a tightening screw, a threaded hole is formed in the top of the rotating seat, and the tightening screw is screwed into the threaded hole and then presses the rotating shaft.
A method for polishing a pipeline by adopting a pipeline clamping and polishing device comprises the following steps,
the method comprises the following steps: firstly, placing a pipeline to be polished on a supporting seat, and limiting and fixing the pipeline through a limiting device of the supporting seat;
step two: the height of the supporting legs is adjusted according to the diameter of the pipeline; adjusting the position of the legs on the track according to the length of the pipe;
step three: rotating the rotating shaft to press the clamping rods of the clamping device in the pipeline until the clamping rods cannot rotate, and pressing the rotating shaft through the positioning device;
step four: the contact between the grinding block and the inside of the pipeline is controlled by controlling the magnetic size of the annular magnet;
step five: the annular magnet is pulled by the pull rod to slide on the rotating shaft, so that the grinding block is ground in the length direction of the pipeline.
The invention achieves the following beneficial technical effects: the clamping device clamps the interior of the pipeline by rotating the rotating shaft, and the rotating shaft is pressed by the positioning device and fixed; the clamping device adopts a structure that the clamping rods are matched with the arc-shaped blocks, so that the clamping device can clamp pipelines with various diameters. The pull rod is pulled to the annular magnet to slide on the rotating shaft, so that the polishing device can polish the length direction of the pipeline and is suitable for polishing the interiors of pipelines with various diameters; and the arc-shaped polishing block can avoid the problems of uneven polishing, deviation of the inner diameter size of the pipeline and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a clamping device;
FIG. 3 is a schematic view of a grinding apparatus;
fig. 4 is a schematic view of a limiting device of the supporting seat.
Wherein: 1-a base; 2-a track; 3-a support leg; 4-rotating the base; 5-a positioning device; 6-rotating shaft; 7-a clamping device; 8-grinding device; 9-a support seat; 71-radial plate; 72-an arc-shaped block; 73-clamping bar; 81-ring magnet; 82-a grinding block; 83-magnetic block; 84-a spring; 85-a pull rod; 91-a limit bottom plate; 92-a limit vertical plate; 93-a positioning block; 94-limit screw.
Detailed Description
The invention is further described with reference to specific examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The invention is further described with reference to the following figures and examples.
As shown in fig. 1-4, a pipeline clamping and polishing device comprises a base 1, a track 2, a support leg 3, a clamping device 7, a polishing device 8, a positioning device 5 and a support base 9; the base 1 is provided with a track 2, the supporting legs 3 are connected to the track 2 in a sliding mode, the upper ends of the supporting legs 3 are provided with rotating seats 4, the rotating seats 4 are connected with rotating shafts 6 in a rotating mode, and the rotating shafts 6 are provided with clamping devices 7 and polishing devices 8; the positioning device 5 is arranged on the rotating seat 4; the clamping device 7 comprises radial plates 71, arc-shaped blocks 72 and clamping rods 73, wherein the radial plates 71 are fixed on the rotating shaft 6, one end of each arc-shaped block 72 is arranged at the top end of one radial plate, the other end of each arc-shaped block 72 is arranged at the bottom end of the other radial plate, one end of each clamping rod 73 slides on the corresponding arc-shaped block 72, the other end of each clamping rod 73 is clamped on the inner surface of the pipeline, and the pipelines with different diameters are clamped at different positions of the arc-shaped blocks 72 through the clamping rods 73; the periphery of axis of rotation 6 all is equipped with 4 radial plates 71, and the quantity of arc piece 72 is 4. The number of the radial plates and the arc-shaped blocks can be set according to actual needs. One end of the rotating shaft is also provided with a handle or a hand wheel and the like so as to rotate the rotating shaft.
The grinding device 8 comprises a ring magnet 81, a spring 84, a magnetic block 83 and a grinding block 82; the ring magnet 81 is fitted over the rotating shaft 6, one end of the spring 84 is connected to the ring magnet 81, the other end of the spring 84 is connected to one side of the magnetic block 83, and the sanding block 82 is connected to the other side of the magnetic block 83. The clamping rod 73 has a larger diameter at a position distant from the rotational shaft 6 than at a position close to the rotational shaft 6. The bottom end of the clamping rod 73 is provided with a sliding block, the arc-shaped block is provided with a T-shaped groove, and the sliding block is matched with the T-shaped groove; when the clamping rod is arranged in the T-shaped groove, the sliding block at the bottom end of the clamping rod is parallel to the opening groove of the T-shaped groove, and then the sliding block is rotated by 90 degrees to be clamped into the T-shaped groove; the clamping rods are convenient to replace, and the clamping rods which cannot be long can be replaced so as to meet the clamping requirements of pipes with different diameters. A plurality of grinding device of equipartition on the periphery of axis of rotation 6 can realize polishing the inside all places of pipeline.
The magnetic block and the polishing block are both arc-shaped and are matched with the inside of the pipeline. The magnetic block has opposite magnetic poles to the annular magnet. The rail is a T-shaped groove, the supporting legs and the supporting seat are provided with sliding blocks, and the sliding blocks are in sliding fit with the T-shaped groove; in addition, the supporting legs and the supporting seat slide to proper positions and can be fixed by fasteners and the like.
The landing leg is multistage extending structure, and the flexible drive arrangement drive of landing leg is flexible between the multistage extending structure. The telescopic driving device can be a driving mechanism such as a hydraulic cylinder.
One end of the pull rod 85 is fixed on one side of the ring-shaped magnet, the other end of the pull rod 85 penetrates through a hole of the rotating base, the pull rod is arranged in parallel with the axial direction of the rotating shaft, and the pull rod can pull the ring-shaped magnet to slide on the rotating shaft. The pull rod is of a hollow tube structure, and electric wires and the like (not shown in the figure) connected with an external control device are arranged inside the pull rod, so that the magnetism of the annular magnet can be enhanced and weakened. When the magnetism is increased, the magnet drives the grinding block to move outwards; the magnetism is weakened, and the magnets drive the grinding blocks to move inwards, so that the grinding of pipelines with different diameters is realized.
A limiting device is arranged at the upper end of the supporting seat and comprises a limiting bottom plate 91, a limiting vertical plate 92, a positioning block 93 and a limiting screw 94, the limiting vertical plate 92 is arranged at two ends of the limiting bottom plate 91, the limiting vertical plate 92 is provided with the limiting screw 94, the positioning block 93 is arranged on the upper surface of the limiting bottom plate 91, and the upper surface of the positioning block 93 is an arc-shaped groove; the pipeline is limited on the supporting seat through the limiting device, and the pipeline is clamped inside through the clamping device, so that the pipeline is not shaken in the polishing process.
The positioning device 5 comprises a jacking screw, a threaded hole is formed in the top of the rotating seat, and the jacking screw is screwed into the threaded hole and then tightly presses the rotating shaft to prevent the rotating shaft from rotating, so that the clamping device is guaranteed to clamp the interior of the pipeline.
A method for polishing a pipeline by adopting a pipeline clamping and polishing device comprises the following steps,
the method comprises the following steps: firstly, placing a pipeline to be polished on a supporting seat, and limiting and fixing the pipeline through a limiting device of the supporting seat;
step two: the height of the supporting legs is adjusted according to the diameter of the pipeline; adjusting the position of the legs on the track according to the length of the pipe;
step three: rotating the rotating shaft to press the clamping rods of the clamping device in the pipeline until the clamping rods cannot rotate, and pressing the rotating shaft through the positioning device;
step four: the contact between the grinding block and the inside of the pipeline is controlled by controlling the magnetic size of the annular magnet;
step five: the annular magnet is pulled by the pull rod to slide on the rotating shaft, so that the grinding block is ground in the length direction of the pipeline.
The present invention has been disclosed in terms of the preferred embodiment, but it is not intended to be limited to the embodiment disclosed, and all technical solutions obtained by substituting or converting equivalents thereof fall within the scope of the present invention.
Claims (10)
1. The utility model provides a pipeline centre gripping grinding device which characterized in that: comprises a base, a track, a supporting leg, a clamping device, a polishing device, a positioning device and a supporting seat; the base is provided with a track, the supporting legs are connected to the track in a sliding mode, the upper ends of the supporting legs are provided with rotating seats, the rotating seats are connected with rotating shafts in a rotating mode, and the rotating shafts are provided with clamping devices and polishing devices; the positioning device is arranged on the rotating seat; the clamping device comprises arc-shaped blocks, clamping rods and radial plates, wherein the radial plates are fixed on the rotating shaft, one end of each arc-shaped block is arranged at the top end of one radial plate, the other end of each arc-shaped block is arranged at the bottom end of the other radial plate, one end of each clamping rod slides on each arc-shaped block, the other end of each clamping rod is clamped on the inner surface of the pipeline, and the polishing device comprises an annular magnet, a spring, a magnetic block and a polishing block; the annular magnet is sleeved on the rotating shaft, one end of the spring is connected to the annular magnet, the other end of the spring is connected to one side of the magnetic block, and the grinding block is connected to the other side of the magnetic block.
2. The pipe clamping and grinding device of claim 1, wherein: the gripping shank is larger in diameter at a position remote from the axis of rotation than the pipe gripped at a position close to the axis of rotation.
3. The pipe clamping and grinding device of claim 2, wherein: the bottom of supporting rod is equipped with the slider, is equipped with the T-slot on the arc piece, slider and T-slot cooperation.
4. The pipe clamping and grinding device of claim 1, wherein: the magnetic block and the polishing block are both arc-shaped; the magnetic block has opposite magnetic poles to the annular magnet.
5. The pipe clamping and grinding device of claim 1, wherein: the track is the T-slot, and landing leg, supporting seat all are equipped with the slider, slider and T-slot sliding fit.
6. The pipe clamping and grinding device of claim 1, wherein: the landing leg is multistage extending structure, and the flexible drive arrangement drive of landing leg is flexible between the multistage extending structure.
7. The pipe clamping and grinding device of claim 1, wherein: one end of a pull rod is fixed on one side of the annular magnet, the other end of the pull rod penetrates through a hole of the rotating seat, the pull rod is arranged in parallel with the axial direction of the rotating shaft, and the annular magnet is pulled by the pull rod to slide on the rotating shaft.
8. The pipe clamping and grinding device of claim 1, wherein: the supporting seat upper end is provided with stop device, and stop device includes spacing bottom plate, spacing riser, locating piece, limiting screw, and the both ends of spacing bottom plate are equipped with spacing riser, and spacing riser is equipped with limiting screw, and the upper surface at spacing bottom plate is established to the locating piece, and the upper surface of locating piece is the arc recess.
9. The pipe clamping and grinding device of claim 1, wherein: the positioning device comprises a jacking screw, a threaded hole is formed in the top of the rotating seat, and the jacking screw is screwed into the threaded hole and then compresses the rotating shaft.
10. A method of grinding a pipe using the pipe-gripping grinding apparatus of claim 1, wherein: comprises the following steps of (a) carrying out,
the method comprises the following steps: firstly, placing a pipeline to be polished on a supporting seat, and limiting and fixing the pipeline through a limiting device of the supporting seat;
step two: the height of the supporting legs is adjusted according to the diameter of the pipeline; adjusting the position of the legs on the track according to the length of the pipe;
step three: rotating the rotating shaft to press the clamping rods of the clamping device against the inner surface of the pipeline until the rotating shaft cannot rotate, and pressing the rotating shaft through the positioning device;
step four: the contact between the grinding block and the inside of the pipeline is controlled by controlling the magnetic size of the annular magnet;
step five: the annular magnet is pulled by the pull rod to slide on the rotating shaft, so that the grinding block is ground in the length direction of the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010356452.9A CN111376120A (en) | 2020-04-29 | 2020-04-29 | Pipeline centre gripping grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010356452.9A CN111376120A (en) | 2020-04-29 | 2020-04-29 | Pipeline centre gripping grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111376120A true CN111376120A (en) | 2020-07-07 |
Family
ID=71222027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010356452.9A Pending CN111376120A (en) | 2020-04-29 | 2020-04-29 | Pipeline centre gripping grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111376120A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571224A (en) * | 2020-12-22 | 2021-03-30 | 侯慧昕 | Processing equipment for extremely-low-grade Michelia |
| CN113732845A (en) * | 2021-11-05 | 2021-12-03 | 徐州市全球通精密钢管有限公司 | Seamless steel pipe conveying and polishing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206169789U (en) * | 2016-09-26 | 2017-05-17 | 山西光华铸管有限公司 | Cast tube inner wall processing equipment |
| US20190061091A1 (en) * | 2017-08-31 | 2019-02-28 | Wabash National, L.P. | Device for in-container operations |
| CN109571176A (en) * | 2018-12-29 | 2019-04-05 | 重庆鑫劲宏景机械有限公司 | Grinding device based on pipe fitting connector |
| CN110900328A (en) * | 2019-12-13 | 2020-03-24 | 湖州锦鸿环保工程有限公司 | Inside centre gripping grinding device suitable for multi-aperture blow off pipe |
-
2020
- 2020-04-29 CN CN202010356452.9A patent/CN111376120A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206169789U (en) * | 2016-09-26 | 2017-05-17 | 山西光华铸管有限公司 | Cast tube inner wall processing equipment |
| US20190061091A1 (en) * | 2017-08-31 | 2019-02-28 | Wabash National, L.P. | Device for in-container operations |
| CN109571176A (en) * | 2018-12-29 | 2019-04-05 | 重庆鑫劲宏景机械有限公司 | Grinding device based on pipe fitting connector |
| CN110900328A (en) * | 2019-12-13 | 2020-03-24 | 湖州锦鸿环保工程有限公司 | Inside centre gripping grinding device suitable for multi-aperture blow off pipe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571224A (en) * | 2020-12-22 | 2021-03-30 | 侯慧昕 | Processing equipment for extremely-low-grade Michelia |
| CN113732845A (en) * | 2021-11-05 | 2021-12-03 | 徐州市全球通精密钢管有限公司 | Seamless steel pipe conveying and polishing device |
| CN113732845B (en) * | 2021-11-05 | 2022-01-04 | 徐州市全球通精密钢管有限公司 | Seamless steel pipe conveying and polishing device |
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Application publication date: 20200707 |
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