CN108284243B - Pipe welding seam milling machine - Google Patents
Pipe welding seam milling machine Download PDFInfo
- Publication number
- CN108284243B CN108284243B CN201810277924.4A CN201810277924A CN108284243B CN 108284243 B CN108284243 B CN 108284243B CN 201810277924 A CN201810277924 A CN 201810277924A CN 108284243 B CN108284243 B CN 108284243B
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- Prior art keywords
- slide carriage
- pinch roller
- milling
- pipe
- cylinder
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- 238000003801 milling Methods 0.000 title claims abstract description 51
- 238000003466 welding Methods 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 238000003825 pressing Methods 0.000 claims description 39
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 abstract description 9
- 235000002017 Zea mays subsp mays Nutrition 0.000 abstract description 9
- 235000005822 corn Nutrition 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 241000209149 Zea Species 0.000 abstract 2
- 230000005484 gravity Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 240000008042 Zea mays Species 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a pipe welding seam milling machine. The pipe weld milling machine comprises a frame, wherein a vertical guide rail is arranged on the frame, a slide carriage is arranged on the guide rail, a pinch roller mechanism support is arranged on the front side of the slide carriage, a milling power head is arranged at the lower end of the pinch roller mechanism support, a corn milling cutter is arranged on an extension shaft of the milling power head, a front pinch roller mechanism and a rear pinch roller mechanism which are connected with the pinch roller mechanism support are arranged at two sides of the corn milling cutter, a second cylinder support is connected to the right side of the frame, a second cylinder is connected to the lower end of the second cylinder support, and a jacking support is arranged at the upper end of the slide carriage. The pipe welding seam milling machine provided by the invention can greatly improve the production efficiency, ensure the processing quality of pipe welding seams, improve the labor environment of workers and reduce the working intensity of the workers.
Description
Technical Field
The invention relates to the field of machining equipment, in particular to the field of machining of external weld joints of straight-seam pipes.
Background
The traditional pipe weld joint processing and trimming are that the welding joint is directly polished by using an angle grinder manually, the production efficiency of the processing mode is low, the labor intensity of workers is high, the fatigue is easy, the full length of the welded joint after polishing is greatly different, dust coming out of the welding joint after polishing in long-time close contact with the welding joint can also have adverse effect on the health of the workers, and certain potential safety hazards can exist when the workers directly use the angle grinder rotating at high speed to polish the welding joint.
Disclosure of Invention
The invention aims to provide a pipe welding seam milling machine which improves the production efficiency, improves the product quality, changes the labor mode of workers and improves the labor environment.
In order to achieve the aim of the invention, the pipe weld milling machine adopts the following technical scheme:
the utility model provides a tubular product welding seam milling machine includes the frame, be equipped with vertical guide rail in the frame, install the carriage on the guide rail, milling unit head is installed to the carriage, milling unit head's output shaft is installed and is used for milling the milling cutter of welding seam, milling unit head both sides are provided with preceding pinch roller mechanism and the back pinch roller mechanism of being connected with the carriage, the frame is installed and is used for raising the second cylinder of carriage. The gravity of the slide carriage and the parts connected with the slide carriage provides the compacting force for the front pressing wheel mechanism and the rear pressing wheel mechanism to compact the pipe, and when the welding line is processed, the slide carriage slides up and down along the vertical guide rail along with the difference of pipe diameters to drive the front pressing wheel mechanism, the rear pressing wheel mechanism and the milling cutter to move up and down, so that the welding line of the pipe with different diameters is processed.
The lower extreme of preceding pinch roller mechanism sets up the gyro wheel that is used for stabilizing tubular product, the middle part of gyro wheel is provided with the annular groove that is used for dodging the welding seam. The welding seam of the pipe smoothly passes through the annular groove of the roller, thereby ensuring the stable operation of the machine.
The front pressing wheel mechanism and the rear pressing wheel mechanism comprise fixing sleeves connected with the slide carriage, adjusting screws are connected with the upper ends of the fixing sleeves in a threaded mode, connecting screws are axially inserted into the adjusting screws, one ends of the connecting screws are connected with roller supports, the roller supports are used for connecting rollers, the roller supports are provided with inserted rods inserted into the fixing sleeves, the inserted rods are connected with the connecting screws, limiting screws used for positioning the inserted rods are connected with the lateral threads of the fixing sleeves, and positioning nuts used for axially limiting the relative positions of the connecting screws and the adjusting screws are arranged at the other ends of the connecting screws. The distance that the idler wheel stretches out of the fixed sleeve can be controlled through the rotary adjusting screw, the height of the welded seam is controlled in a milling mode, the limiting screw is adjusted, one end of the limiting screw is pressed against the inner groove surface of the inserted bar, and stability of the whole mechanism is guaranteed.
The sliding plate comprises a sliding plate, a sliding plate and a frame, and is characterized by further comprising a first air cylinder, wherein the frame is connected with a cylinder body of the first air cylinder, and a piston rod of the first air cylinder is connected with the sliding plate. The first cylinder air inlet can provide additional pressing force for the pipe, and stability of the welding line machining process is guaranteed.
The lifting support is arranged on the slide carriage, the lifting support faces to a piston rod of the second cylinder, and the piston rod of the second cylinder pushes the lifting support to drive the slide carriage to lift. And the piston rod of the second cylinder is used for pushing the jack-up support to lift the slide carriage, so that the pipe is conveniently taken out, and when the pipe welding line is processed again, the piston rod of the second cylinder is contracted, the slide carriage and parts connected with the slide carriage move downwards under the action of gravity, the front pressing wheel mechanism and the rear pressing wheel mechanism are in lap joint with the pipe, and the milling cutter is used for milling the welding line.
The roller at the lower end of the front pressing wheel mechanism comprises two bearings which are coaxially arranged, a spacer bush is arranged in the middle of each of the two bearings, and the two bearings and the spacer bush form an annular groove for avoiding welding seams. The bearing is adopted as the roller, so that the structure is simple, and the dismounting and the replacement are convenient.
An air nozzle for introducing compressed air is arranged between the milling cutter and the rear pinch roller mechanism. Compressed air is sprayed out of the air nozzle in the process of milling the welding seam, the milled scrap iron is blown away from the pipe, the scrap iron is prevented from passing through the rear pressing wheel mechanism along with the pipe, the rear pressing wheel mechanism is enabled to generate jumping, the milling effect is affected, and therefore stability of the milling process is guaranteed.
The beneficial effects of the invention are that by adopting the technical scheme: the pipe is compressed by adopting the front pressing wheel mechanism and the rear pressing wheel mechanism, a milling cutter is arranged between the front pressing wheel mechanism and the rear pressing wheel mechanism to mill the welding seam, so that the welding seam can be rapidly and automatically processed, the first air cylinder can supply additional compression force to the pipe, the two bearings at the lower end of the front pressing wheel mechanism and the spacer sleeve form an annular groove for avoiding the welding seam, and the measure that an air nozzle for introducing compressed air is arranged between the milling cutter and the rear pressing wheel mechanism and is used for blowing scrap iron is adopted to ensure the stability of the welding seam processing process, thereby ensuring the processing quality of the welding seam.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at B;
FIG. 3 is a view in the direction A of FIG. 1;
FIG. 4 is a schematic diagram of the structure of the rear puck mechanism;
FIG. 5 is a cross-sectional E-E view of FIG. 4;
FIG. 6 is a schematic diagram of the front puck mechanism;
FIG. 7 is a schematic diagram of a pipe weld process;
the device comprises a frame 1, a guide rail 2, a slide carriage 3, a first cylinder 4, a pinch roller mechanism bracket 5, a milling power head 6, a corn milling cutter 7, a front pinch roller mechanism 8, a rear pinch roller mechanism 9, a screen plate 10, a jacking bracket 11, a second cylinder bracket 12, a second cylinder 13, a positioning nut 14, a thrust ball bearing 15, an adjusting screw 16, a fixed sleeve 17, a limit screw 18, a connecting screw 19, a roller bracket 20, a roller 21, a washer 22, a retainer ring 23, a pin shaft 24, a plug rod 25, a spacer 26, a weld joint 27, a pipe 28 and an air nozzle 29.
Detailed Description
The present invention is further illustrated below in conjunction with the specific embodiments, it being understood that these embodiments are meant to be illustrative of the invention only and not limiting the scope of the invention, and that modifications of the invention, which are equivalent to those skilled in the art to which the invention pertains, will fall within the scope of the invention as defined in the claims appended hereto.
As shown in fig. 1-7, a pipe weld joint milling machine comprises a frame 1, a vertical guide rail 2 is arranged on the upper left side of the frame 1, a slide carriage 3 is installed on the guide rail 2, the upper portion of the frame 1 is connected with a cylinder body of a first cylinder 4 through a pin shaft, the lower end of a piston rod of the first cylinder 4 is connected with a pressing wheel mechanism support 5, the pressing wheel mechanism support 5 is connected with a milling power head 6 (namely a speed reducer), a corn milling cutter 7 is installed on an output shaft of the milling power head 6, a front pressing wheel mechanism 8 and a rear pressing wheel mechanism 9 which are connected to the pressing wheel mechanism support 5 are arranged on two sides of the corn milling cutter 7, a screen plate 10 is installed on the front side of the frame 1, a second cylinder support 12 is installed on the right side of the frame 1, a second cylinder support 13 is arranged on the lower portion of the second cylinder support 12, a piston rod of the second cylinder 13 is arranged upwards, a jacking support 11 extending to the right side of the frame 1 is installed, a rectangular hole which is convenient for the jacking support 11 to move up and down is arranged on the frame 1, the jacking support 11 faces the piston rod of the second cylinder 13, the second cylinder 13 pushes the slide carriage 3 to move upwards, and when the piston rod moves downwards under the action of the piston rod when the gravity of the slide carriage 3 retracts.
When milling the welding seam 27, the front pressing wheel mechanism 8 and the rear pressing wheel mechanism 9 compress the pipe, the compressing force is provided by the gravity of the part connected with the slide carriage 3 and the slide carriage 3, the gravity basically accords with the compressing force requirement, the balancing weight is arranged on the slide carriage 3 to provide additional compressing force, the balancing weight is required to be adjusted according to different materials of the welding seam 27 to be cut in the design process, when the gravity is overlarge, the balancing weight is required to be detached or reduced, when the gravity is not enough, the larger balancing weight is required to be replaced or the balancing weight is increased, the implementation process is very inconvenient, the first air cylinder 4 is used for providing compressing force, different compressing forces can be provided by controlling the air inflow, and the scheme is simple, meets the design requirement and is easy to implement.
The front pinch roller mechanism 8 and the rear pinch roller mechanism 9 both comprise a fixed sleeve 17 connected with the slide carriage 3, an adjusting screw 16 in threaded connection with the upper end of the fixed sleeve 17, a connecting screw 19 is axially inserted into the adjusting screw 16, one end of the connecting screw 19 is connected with a roller bracket 20, the roller bracket 20 is used for connecting a roller 21, the roller 21, a gasket 22 and a retainer ring 23 are connected to the roller bracket 20 through a pin shaft 24, the roller bracket 20 is provided with an inserting rod 25 inserted into the fixed sleeve 17, the inserting rod 25 is connected with the connecting screw 19, a limit screw 18 for positioning the inserting rod 25 is laterally and in threaded connection with the fixed sleeve 17, the other end of the connecting screw 19 is provided with a positioning nut 14 for axially limiting the relative position of the connecting screw 19 and the adjusting screw 16, the distance of the roller 21 extending out of the fixed sleeve 17 can be controlled by rotating the adjusting screw 16, the height of a welding seam 27 is controlled, and the limit screw 18 is adjusted, so that one end of the roller bracket compresses the inner groove surface of the inserting rod 25, and the stability of the whole mechanism is ensured; the front pinch roller mechanism 8 and the rear pinch roller mechanism 9 are different in that the roller 21 of the front pinch roller mechanism 8 comprises two bearings which are coaxially connected, a spacer 26 is arranged between the two bearings, and the bearings on the two sides and the spacer 26 in the middle form an annular groove avoiding the welding seam 27, so that the unprocessed pipe welding seam 27 can smoothly pass through the groove at the lower end of the front pinch roller mechanism 8, and the smooth running of a machine is ensured. The roller 21 of the rear pinch roller mechanism 9 includes a plurality of bearings coaxially disposed.
The adjusting screw 16 can relatively move up and down in the fixed sleeve 17 by rotating the adjusting screw 16, when relatively moves upwards, the adjusting screw 16 generates upward thrust to the thrust ball bearing 15, the thrust ball bearing 15 drives the positioning nut 14 and the roller 21 to move upwards, and the positioning inserted rod 25 is locked by the limiting screw 18 after the roller 21 reaches the target position; when the positioning nut 14 and the roller 21 move downwards under the dead weight during the relative downward movement, the positioning insert rod 25 is locked by the limiting screw 18 after the roller 21 reaches the target position. When the distance that the roller 21 extends out of the fixed sleeve 17 is adjusted according to the height of the welded seam 27 to be milled, the limiting screw 18 is rotated to press the inner groove surface of the inserted rod 25, so that the stability of the front pressing wheel mechanism 8 and the rear pressing wheel mechanism 9 of the left pressing wheel mechanism is ensured.
The working principle of the pipe welding seam milling machine is as follows:
before the pipe weld milling machine is used, the height of a weld 27 needing to be milled is adjusted according to the height of the weld 27 needing to be milled of the pipe 28, the distance that the rollers 21 in the front pressing wheel mechanism 8 and the rear pressing wheel mechanism 9 extend out of the fixed sleeve 17 is adjusted to achieve the height requirement of the weld 27, then the milling power head 6 is started to drive the corn milling cutter 7 to rotate, as shown in fig. 7, when the pipe 28 moves from the C end to the D end under the action of manpower or other mechanical power, the pipe 28 passes through the front pressing wheel mechanism 8, the rollers 21 of the front pressing wheel mechanism 8 press the pipe 28 and roll along with the movement of the pipe 28, the gravity of the slide carriage 3 and connecting parts thereof provide the pressing force on the pipe 28 when the weld 27 is milled, the first air cylinder 4 can set the air inflow according to the requirement to control the additional pressing force needed when the weld 27 is milled, the pipe 28 mills the redundant weld 27 after passing through the corn milling cutter 7, the air nozzle 29 between the corn milling cutter 7 and the rear pressing wheel mechanism 9 blows off the milled weld, and the pipe 28 is stably operated under the pressing guide of the iron filings 9. When the machine is stopped or the pipe 28 is replaced, the first air cylinder 4 is exhausted, the second air cylinder 13 is inflated, a piston rod of the second air cylinder stretches to push the jacking bracket 11, the slide carriage 3 is connected with the jacking bracket 11, so that the slide carriage 3 moves upwards along the guide rail 2, the lifting function of parts connected with the slide carriage 3 is realized, when the pipe weld 27 is machined again, the piston rod 13 of the second air cylinder contracts, the slide carriage 3 and the parts connected with the slide carriage are moved downwards under the action of gravity, the front pinch roller mechanism 8 and the rear pinch roller mechanism 9 overlap the pipe 28, the corn milling cutter 7 mills the weld, and a worker can observe whether the second air cylinder 13 runs according to the expected design through the screen 10 at the front side of the pipe weld milling machine.
Claims (3)
1. The utility model provides a tubular product welding seam mills machine, includes frame, its characterized in that: the frame is provided with a vertical guide rail, the guide rail is provided with a slide carriage, the slide carriage is provided with a milling power head, an output shaft of the milling power head is provided with a milling cutter for milling a welding seam of a pipe, two sides of the milling cutter are provided with a front pinch roller mechanism and a rear pinch roller mechanism which are connected with the slide carriage, the front pinch roller mechanism and the rear pinch roller mechanism are used for stabilizing the pipe, and the frame is provided with a second cylinder for lifting the slide carriage; the front pressing wheel mechanism and the rear pressing wheel mechanism both comprise a fixed sleeve connected with the slide carriage, the upper end of the fixed sleeve is in threaded connection with an adjusting screw rod, the adjusting screw rod is axially inserted with a connecting screw rod, one end of the connecting screw rod is connected with a roller bracket, the roller bracket is used for connecting a roller, the roller bracket is provided with an inserted rod inserted into the fixed sleeve, the inserted rod is connected with the connecting screw rod, the lateral thread of the fixed sleeve is connected with a limit screw rod used for locating the inserted rod, and the other end of the connecting screw rod is provided with a locating nut used for axially limiting the relative position of the connecting screw rod and the adjusting screw rod; an air nozzle for introducing compressed air is arranged between the milling cutter and the rear pinch roller mechanism; the lower end of the front pinch roller mechanism is provided with a roller for stabilizing the pipe, and the middle part of the roller is provided with an annular groove for avoiding welding seams; the roller at the lower end of the front pressing wheel mechanism comprises two bearings which are coaxially arranged, a spacer bush is arranged in the middle of each of the two bearings, and the two bearings and the spacer bush form an annular groove for avoiding welding seams.
2. The pipe weld milling machine of claim 1, wherein: the device further comprises a first air cylinder, the frame is connected with the cylinder body of the first air cylinder, and the piston rod of the first air cylinder is connected with the slide carriage.
3. The pipe weld milling machine of claim 1, wherein: the lifting support is arranged on the slide carriage, the lifting support faces to a piston rod of the second cylinder, and the piston rod of the second cylinder pushes the lifting support to drive the slide carriage to lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810277924.4A CN108284243B (en) | 2018-03-30 | 2018-03-30 | Pipe welding seam milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810277924.4A CN108284243B (en) | 2018-03-30 | 2018-03-30 | Pipe welding seam milling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108284243A CN108284243A (en) | 2018-07-17 |
| CN108284243B true CN108284243B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810277924.4A Active CN108284243B (en) | 2018-03-30 | 2018-03-30 | Pipe welding seam milling machine |
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| Country | Link |
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| CN (1) | CN108284243B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226847A (en) * | 2018-11-13 | 2019-01-18 | 山东大学 | A kind of hand-held weld grinding device that protecting welding base metal and working method |
| CN109434486B (en) * | 2018-11-28 | 2024-04-16 | 佛山新成洪鼎机械技术有限公司 | Portable back chipping machine |
| CN111482702B (en) * | 2020-04-22 | 2022-03-25 | 中车青岛四方机车车辆股份有限公司 | Laser welding pressing device, laser welding system and laser welding method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60114408A (en) * | 1983-11-21 | 1985-06-20 | Sumitomo Metal Ind Ltd | Method for removing bead of welding shape steel and its device |
| CN102161116A (en) * | 2011-04-15 | 2011-08-24 | 华中科技大学武昌分校 | Depth adjustable rescue cutter |
| CN103286362A (en) * | 2013-06-17 | 2013-09-11 | 上海前山管道技术有限公司 | High-efficiency pipeline milling facing machine |
| CN206509351U (en) * | 2015-11-04 | 2017-09-22 | 朴吉美 | Blank descaling device |
| CN208004871U (en) * | 2018-03-30 | 2018-10-26 | 江苏特威机床制造有限公司 | A kind of tubing welding line milling machine |
-
2018
- 2018-03-30 CN CN201810277924.4A patent/CN108284243B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60114408A (en) * | 1983-11-21 | 1985-06-20 | Sumitomo Metal Ind Ltd | Method for removing bead of welding shape steel and its device |
| CN102161116A (en) * | 2011-04-15 | 2011-08-24 | 华中科技大学武昌分校 | Depth adjustable rescue cutter |
| CN103286362A (en) * | 2013-06-17 | 2013-09-11 | 上海前山管道技术有限公司 | High-efficiency pipeline milling facing machine |
| CN206509351U (en) * | 2015-11-04 | 2017-09-22 | 朴吉美 | Blank descaling device |
| CN208004871U (en) * | 2018-03-30 | 2018-10-26 | 江苏特威机床制造有限公司 | A kind of tubing welding line milling machine |
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| Publication number | Publication date |
|---|---|
| CN108284243A (en) | 2018-07-17 |
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