CN220362335U - Device for improving grinding quality and efficiency of inner surface of steel pipe - Google Patents
Device for improving grinding quality and efficiency of inner surface of steel pipe Download PDFInfo
- Publication number
- CN220362335U CN220362335U CN202320339259.3U CN202320339259U CN220362335U CN 220362335 U CN220362335 U CN 220362335U CN 202320339259 U CN202320339259 U CN 202320339259U CN 220362335 U CN220362335 U CN 220362335U
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- grinding
- endoscope
- rod
- steel pipe
- endoscope probe
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 63
- 239000010959 steel Substances 0.000 title claims abstract description 63
- 239000000523 sample Substances 0.000 claims abstract description 51
- 230000010485 coping Effects 0.000 claims abstract description 8
- 238000005498 polishing Methods 0.000 claims description 45
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 35
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model discloses a device for improving the grinding quality and efficiency of the inner surface of a steel pipe, which comprises a grinding rack, wherein one side of the grinding rack is provided with a sliding rail, a grinding machine box is adapted to the sliding rail, a grinding rod is arranged between the grinding rack and the grinding machine box and is limited and supported by a supporting roller way, one end of the grinding rod is in driving connection with the grinding machine box, a grinding wheel is arranged at the front end of the grinding rod, an endoscope probe is arranged at the front end of the grinding wheel, a plurality of small holes for blowing are arranged around the endoscope probe, the rear end of the endoscope probe is connected with an endoscope signal wire, the other end of the endoscope signal wire is connected with a mobile phone through a plug so as to observe a detected image through a mobile phone screen, and the rear end of the endoscope probe is also connected with an endoscope vent pipe; the coping rod and the endoscope probe are in relative rotation. The utility model can accurately detect the position and the shape of the defect on the inner surface of the steel pipe, improve the grinding quality and the grinding efficiency, improve the reworking qualification rate of the steel pipe and reduce the manufacturing cost.
Description
Technical Field
The utility model relates to the technical field of steel pipe production, in particular to a device for improving the grinding quality and efficiency of the inner surface of a steel pipe.
Background
In the production of the hot-rolled seamless steel pipe, the defects of convex channels, inward folds, pits, folds, scratches and the like exist on the inner surface of the steel pipe due to multiple factors such as a process, equipment and the like, and the defective steel pipe can be removed through a flaw detection procedure in the subsequent production process of a finishing line. In order to reduce the rolling cost, the common practice is to repair and rework the steel pipe removed in the flaw detection process to save the steel pipe. When the steel pipe is internally polished, the actual damage cannot be seen from the inner surface due to the damage, and the sharpening machine enters the steel pipe to be almost in blind grinding, so that the waste judgment rate is high, and the cost is too high.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide a device for improving the grinding quality and efficiency of the inner surface of a steel pipe.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to a device for improving the grinding quality and efficiency of the inner surface of a steel pipe, which comprises a grinding rack, wherein one side of the grinding rack is provided with a sliding rail, a grinding machine box is adapted to the sliding rail, a grinding rod is arranged between the grinding rack and the grinding machine box and is limited and supported by a supporting roller way, one end of the grinding rod is in driving connection with the grinding machine box, a grinding wheel is arranged at the front end of the grinding rod, an endoscope probe is arranged at the front end of the grinding wheel, the rear end of the endoscope probe is connected with an endoscope signal wire and a vent pipe, and the other end of the endoscope signal wire is connected with a mobile phone through a plug so as to observe images detected at the endoscope probe through a mobile phone screen; the endoscope probe is characterized in that a plurality of small holes are formed in the periphery of the endoscope probe, the small holes are integrally designed with the endoscope probe, the small holes in the periphery of the endoscope probe are designed in two circles, an inner ring small hole is manufactured into an angle of 45 degrees in Cheng Xiang, an outer ring small hole is manufactured into an angle of 45 degrees outwards, the rear end of the endoscope probe is also connected with an endoscope vent pipe, the other end of the endoscope vent pipe is connected with an air pump, so that the air pump can blow air outwards through the vent pipe and the small holes in the periphery of the endoscope probe, the inner ring small holes blow an endoscope lens, and the outer ring small holes blow the inner surface of a pipe body; the coping rod and the endoscope probe are in relative rotation.
Furthermore, the coping rod is hollow, and the endoscope signal wire and the vent pipe penetrate from one end of the coping rod and then penetrate from the other end and are respectively connected with the mobile phone through a plug and an air pump.
Further, the coping pole is solid cylindric, can rotate the coping pole is peripheral hardware tubular safety sleeve, the safety sleeve inner wall has 5mm-15 mm's space with coping pole surface, safety sleeve surface vertically is equipped with logical groove, endoscope signal line is laid in the longitudinal logical groove of safety sleeve surface, endoscope signal line and breather pipe that lays at longitudinal logical groove link to each other and are connected with the air pump through the plug respectively with the cell-phone.
Further, a motor and a speed reducer are arranged in the grinding machine box and used for controlling the advancing and retreating of the grinding machine box and the rotation of the grinding rod, and the advancing and retreating of the grinding machine box are carried out along the slide way.
Further, the sliding rail comprises two symmetrically arranged strip-shaped rails.
Further, the inner wall of the safety sleeve and the outer surface of the grinding rod are provided with a gap of 5mm, 10mm or 15 mm.
Further, a clamping and fixing device for clamping and fixing the steel pipe to be polished is arranged on the polishing rack.
A grinding method of a device for improving the grinding quality and efficiency of the inner surface of a steel pipe comprises the following steps: the method comprises the steps that a steel pipe to be polished is arranged on a polishing station of a polishing rack, an operator operates a polishing machine box to move towards the polished steel pipe slowly along a slideway to drive a polishing rod to move on a supporting roller way, at the moment, an endoscope probe enters the steel pipe to be polished, an operator observes the defect condition of the inner surface of the steel pipe on a mobile phone screen, the operator operates the polishing machine box to drive the polishing rod to perform rotary motion when finding out a defect condition of the inner surface of the steel pipe, the polishing rod drives a grinding wheel to rotate to polish the defect of the inner surface of the steel pipe, the defect polishing is finished, the operator operates the polishing machine box to stop rotating, the polishing machine box continues to move leftwards slowly, the operator continues to observe the defect condition of the inner surface of the steel pipe through the mobile phone screen, if finding out the defect to drive the polishing rod to perform rotary motion to polish the defect of the inner surface of the steel pipe through the grinding wheel, the polishing rod can finish the polishing work of the inner surface of the steel pipe after the whole body defect is finished, and in the process, the air pump is provided with small holes to blow outside air around the vent pipe and the endoscope probe so as to blow the powder down the condition of the inner surface of the operator can be convenient to observe the inner surface of the pipe.
Compared with the prior art, the utility model has the beneficial technical effects that:
the utility model can accurately detect the position and the shape of the defect on the inner surface of the steel pipe, improve the grinding quality and the grinding efficiency, improve the reworking qualification rate of the steel pipe and reduce the manufacturing cost.
Drawings
The utility model is further described with reference to the following description of the drawings.
FIG. 1 is a schematic view of an apparatus for improving the quality and efficiency of the grinding of the inner surface of a steel pipe according to the present utility model;
reference numerals illustrate: 1-grinding a bench; 2-a steel pipe; 3-an endoscope probe (a plurality of small holes are arranged around the endoscope probe); 4, grinding wheel; 5-grinding the rod; 6, grinding the case; 7-a slide rail; 8, supporting a roller way; 9-an endoscope signal line; 10-a mobile phone; 11-a vent pipe; 12-an air pump.
Detailed Description
As shown in fig. 1, the device for improving the grinding quality and efficiency of the inner surface of the steel pipe comprises a grinding rack 1, wherein one side of the grinding rack 1 is provided with a sliding rail 7, a grinding machine box 6 is adapted to the sliding rail 7, a grinding rod 5 is arranged between the grinding rack 1 and the grinding machine box 6, the grinding rod 5 is limited and supported by a supporting roller way 8, one end of the grinding rod 5 is in driving connection with the grinding machine box 6, a grinding wheel 4 is arranged near the front end of the grinding rod 5, and an endoscope probe (a plurality of small holes are formed in the periphery) 3 is arranged in front of the grinding wheel 4; the endoscope signal wire 9 and the vent pipe 11 penetrate from one end of the grinding rod to be connected with the endoscope probe (a plurality of small holes are formed in the periphery of the grinding rod), and then the endoscope signal wire 9 and the vent pipe 11 penetrate from the other end to be connected with the mobile phone 10 through plugs and the air pump 12 respectively, so that images detected at the position of the endoscope probe (the plurality of small holes are formed in the periphery of the endoscope probe) 3 can be observed through a screen of the mobile phone 10; the grinding rod 5 and the endoscope probe (a plurality of small holes are arranged around) 3 are in relative rotation (which is a conventional technical means in the field).
The multiple small holes and the endoscope probe are integrally designed, the multiple small holes around the endoscope probe are designed in two circles, the small holes on the inner ring are manufactured into 45-degree angles in Cheng Xiang, the small holes on the outer ring are manufactured into 45-degree angles outwards, and the air pump is provided with the small holes around the vent pipe and the endoscope probe to blow air outwards in the grinding process, so that ground powder is blown off, and an operator can observe the condition of the inner surface of the pipe conveniently.
According to the requirement, a clamping and fixing device for clamping and fixing the steel pipe to be polished is arranged on the polishing rack 1.
Example 1:
the grinding rod 5 of the electric grinding machine is hollow, a grinding wheel 4 is fixedly arranged at the front end of the grinding rod 5, an endoscope probe (a plurality of small holes are formed in the periphery of the grinding wheel) 3 is arranged at the front end of the grinding wheel 4, an endoscope signal wire 9 and a vent pipe 11 are connected to the rear end of the endoscope probe (a plurality of small holes are formed in the periphery of the endoscope probe), the endoscope signal wire 9 and the vent pipe 11 penetrate through the hollow part of the grinding rod 5 of the electric grinding machine, and the other ends of the endoscope signal wire 9 and the vent pipe 11 penetrating through the hollow part of the grinding rod 5 are respectively connected with a mobile phone through plugs and an air pump, so that images detected at the position of the endoscope probe 3 can be observed through a screen of the mobile phone 10. The rear end of the grinding rod 5 is connected with a grinding machine box 6, a motor and a speed reducer are arranged in the grinding machine box 6 and used for controlling the grinding machine box 6 and the grinding rod 5 to advance and retract and the grinding rod 5 to rotate, and the advancing and retracting of the grinding machine box 6 moves on slide ways 7 on two sides.
The specific grinding method is as follows:
the steel tube 2 to be polished is arranged on a polishing station of the polishing rack 1, an operator operates the polishing machine box 6 to slowly move leftwards along the slideway 7 to drive the polishing rod 5 to move leftwards on the supporting roller way 8, the front end of the polishing rod 5 enters the steel tube 2 to be polished, at the moment, an endoscope probe (with a plurality of small holes around the endoscope probe) 3 also enters the steel tube 2 to be polished, the operator observes the defect condition of the inner surface of the steel tube 2 on a screen of the mobile phone 10, the operator operates the polishing machine box 6 to drive the polishing rod 5 to perform rotary motion when a defect condition is found, the polishing rod 5 drives the grinding wheel 4 to rotate to polish the defect of the inner surface of the steel tube 2, the defect is finished, the operator operates the polishing machine box 6 to continuously move leftwards, the operator continuously observes the defect condition of the inner surface of the steel tube 2 through the screen of the mobile phone 10, if the defect is found, the endoscope machine box 6 continuously operates the polishing rod 5 to perform rotary motion to pass through the defect of the inner surface of the steel tube 2, the air pump 12 exits the air pipe 11 and the endoscope probe (with a plurality of small holes around the endoscope probe) to blow air to the defect condition to the inner surface of the steel tube 2, and the defect is blown out of the inner surface of the steel tube 2 until the defect is finished, and the inner surface of the steel tube is polished, and the defect is blown out of the inner surface of the steel tube 2, and the defect condition is finished.
Example 2:
the specific grinding method is as follows:
the grinding rod 5 of the electric grinding machine is solid cylindrical, a grinding wheel 4 is fixedly arranged at the front end of the grinding rod 5, a circular tubular safety sleeve is arranged outside the grinding rod 5 which can rotate in order to ensure personal safety of staff around the electric grinding machine, a gap of 5mm-15mm is reserved between the inner wall of the safety sleeve and the outer surface of the grinding rod, and a through groove is longitudinally formed in the outer surface of the safety sleeve. The front end of the grinding wheel 4 is provided with an endoscope probe (a plurality of small holes are formed in the periphery) 3, the rear end of the endoscope probe (a plurality of small holes are formed in the periphery) 3 is connected with an endoscope signal wire 9 and a vent pipe 11, the endoscope signal wire 9 and the vent pipe 11 are laid in a longitudinal through groove on the outer surface of the safety sleeve, and the other end of the endoscope signal wire is connected with a mobile phone 10 through a plug and is connected with an air pump 12. The endoscope signal wire 9 and the vent pipe 11 in the longitudinal through groove on the outer surface of the safety sleeve are stuck and fixed by adhesive tape paper. The rear end of the grinding rod 5 is connected with a grinding machine box 6, a motor and a speed reducer are arranged in the grinding machine box 6 and used for controlling the grinding machine box 6 and the grinding rod 5 to advance and retract and the grinding rod 5 to rotate, and the advancing and retracting of the grinding machine box 6 moves on slide ways 7 on two sides.
The steel tube 2 to be polished is arranged on a polishing station of the polishing rack 1, an operator operates the polishing machine box 6 to slowly move leftwards along the slideway 7 to drive the polishing rod 5 to move leftwards on the supporting roller way 8, the front end of the polishing rod 5 enters the steel tube 2 to be polished, at the moment, an endoscope probe (with a plurality of small holes around the endoscope probe) 3 also enters the steel tube 2 to be polished, the operator observes the defect condition of the inner surface of the steel tube 2 on a screen of the mobile phone 10, the operator operates the polishing machine box 6 to drive the polishing rod 5 to perform rotary motion when a defect condition is found, the polishing rod 5 drives the grinding wheel 4 to rotate to polish the defect of the inner surface of the steel tube 2, the defect is finished, the operator operates the polishing machine box 6 to continuously move leftwards, the operator continuously observes the defect condition of the inner surface of the steel tube 2 through the screen of the mobile phone 10, if the defect is found, the endoscope machine box 6 continuously operates the polishing rod 5 to perform rotary motion to pass through the defect of the inner surface of the steel tube 2, the air pump 12 exits the air pipe 11 and the endoscope probe (with a plurality of small holes around the endoscope probe) to blow air to the defect condition to the inner surface of the steel tube 2, and the defect is blown out of the inner surface of the steel tube 2 until the defect is finished, and the inner surface of the steel tube is polished, and the defect is blown out of the inner surface of the steel tube 2, and the defect condition is finished.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (7)
1. The device for improving the polishing quality and efficiency of the inner surface of the steel pipe is characterized by comprising a polishing rack, wherein one side of the polishing rack is provided with a sliding rail, a polishing machine box is adapted to the sliding rail, a polishing rod is arranged between the polishing rack and the polishing machine box and is supported by a supporting roller way in a limiting manner, one end of the polishing rod is in driving connection with the polishing machine box, a grinding wheel is arranged at the position, close to the front end, of the polishing rod, an endoscope probe is arranged at the front end of the grinding wheel, the rear end of the endoscope probe is connected with an endoscope signal wire and a vent pipe, and the other end of the endoscope signal wire is connected with a mobile phone through a plug so as to observe images detected at the position of the endoscope probe through a mobile phone screen; the endoscope probe is characterized in that a plurality of small holes are formed in the periphery of the endoscope probe, the small holes are integrally designed with the endoscope probe, the small holes in the periphery of the endoscope probe are designed in two circles, an inner ring small hole is manufactured into an angle of 45 degrees in Cheng Xiang, an outer ring small hole is manufactured into an angle of 45 degrees outwards, the rear end of the endoscope probe is also connected with an endoscope vent pipe, the other end of the endoscope vent pipe is connected with an air pump, so that the air pump can blow air outwards through the vent pipe and the small holes in the periphery of the endoscope probe, the inner ring small holes blow an endoscope lens, and the outer ring small holes blow the inner surface of a pipe body; the coping rod and the endoscope probe are in relative rotation.
2. The device for improving the grinding quality and efficiency of the inner surface of the steel pipe according to claim 1, wherein the grinding rod is hollow, and the endoscope signal wire and the vent pipe penetrate through one end of the grinding rod and then are respectively connected with the mobile phone through a plug and connected with the air pump after penetrating out from the other end of the grinding rod.
3. The device for improving the grinding quality and efficiency of the inner surface of the steel pipe according to claim 1, wherein the grinding rod is solid and cylindrical, a circular tubular safety sleeve is arranged outside the grinding rod which can rotate, a gap of 5mm-15mm is arranged between the inner wall of the safety sleeve and the outer surface of the grinding rod, through grooves are longitudinally formed in the outer surface of the safety sleeve, and an endoscope signal wire and an air pipe are paved from the longitudinal through grooves in the outer surface of the safety sleeve, and are respectively connected with a mobile phone through a plug and an air pump.
4. The apparatus for improving the quality and efficiency of the grinding of the inner surface of a steel pipe according to claim 1, wherein a motor and a speed reducer are arranged in the grinding machine box and used for controlling the advancing and retreating of the grinding machine box and the rotation of the grinding rod, and the advancing and retreating of the grinding machine box are carried out along a slideway.
5. The apparatus for improving the quality and efficiency of the finishing of the inner surface of a steel pipe according to claim 1, wherein the slide rail comprises two symmetrically arranged bar-shaped rails.
6. A device for improving the grinding quality and efficiency of the inner surface of a steel pipe according to claim 3, wherein the inner wall of the safety sleeve and the outer surface of the grinding rod have a gap of 5mm, 10mm or 15 mm.
7. The device for improving the grinding quality and efficiency of the inner surface of the steel pipe according to claim 1, wherein the grinding bench is provided with a clamping and fixing device for clamping and fixing the steel pipe to be ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320339259.3U CN220362335U (en) | 2023-02-27 | 2023-02-27 | Device for improving grinding quality and efficiency of inner surface of steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320339259.3U CN220362335U (en) | 2023-02-27 | 2023-02-27 | Device for improving grinding quality and efficiency of inner surface of steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220362335U true CN220362335U (en) | 2024-01-19 |
Family
ID=89516379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320339259.3U Active CN220362335U (en) | 2023-02-27 | 2023-02-27 | Device for improving grinding quality and efficiency of inner surface of steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220362335U (en) |
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2023
- 2023-02-27 CN CN202320339259.3U patent/CN220362335U/en active Active
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