CN203804426U - Extrusion roller protection device of laser welded pipe unit - Google Patents
Extrusion roller protection device of laser welded pipe unit Download PDFInfo
- Publication number
- CN203804426U CN203804426U CN201420180503.7U CN201420180503U CN203804426U CN 203804426 U CN203804426 U CN 203804426U CN 201420180503 U CN201420180503 U CN 201420180503U CN 203804426 U CN203804426 U CN 203804426U
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- CN
- China
- Prior art keywords
- laser
- compression roller
- welding
- pipe unit
- protective device
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an extrusion roller protection device of a laser welded pipe unit. The extrusion roller protection device is characterized in that the extrusion roller protection device comprises magnetic seats arranged on the side face of a welding extrusion roller base, universal adjustment connection rods arranged on the magnetic seat and laser baffles which are arranged on the faces of welding extrusion rollers and connected with the universal adjustment connection rods; two magnetic seats, two universal adjustment connection rods and two laser baffles are symmetrically arranged with reference to a weld joint between the welding extrusion rollers. In the laser welding process, even if weld joint is over twisted in unit production, through the blocking effect of the laser baffles, laser light is firstly shot to the laser baffles, so that the faces of the welding extrusion rollers are prevented from being damaged by the laser light, and the service life of the welding extrusion rollers is prolonged.
Description
Technical field
The utility model relates to a kind of laser welding pipe generator protection device, particularly a kind of laser welding pipe unit compression roller protective device.
Background technology
The profiled section of laser welding pipe unit is comprised of 8 pairs of horizontal roller devices and 6 offside verticle roll units, and welding section has 2 pairs of welding compression roller installation compositions.Laser welding pipe unit is during for the production of stainless steel straight seam welded steel pipe, with steel by 14 pair of rollers of horizontal roller device and edge-on roller arrangement after brake forming, form the pipe of an approximate full circle, then under the extruding force effect larger with welding compression roller of the higher beam energy of laser welder, make weld seam melt extruded together.In welding process, welding directive wheel, along with bead direction is moved, has guaranteed that laser weld is welded in the middle of weld seam all the time, thereby realizes the guiding welding of plumb joint.
But at unit, produce and to run into weld seam and cross while turning round, will cause laser to be mapped on welding compression roller, cause this roll surface to destroy, even directly cause compression roller to be scrapped, thereby reduced the service life of welding compression roller, make roll expense increase.
Utility model content
The technical problems to be solved in the utility model is the present situation for prior art, and a kind of multiple compression roller diameter specifications that is applicable to is provided, and crosses while turning round and prevent that laser is mapped to the laser welding pipe unit compression roller protective device on welding compression roller roll surface at weld seam.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of laser welding pipe unit compression roller protective device; it is characterized in that: comprise being arranged on the magnetic support of welding on compression roller pedestal side, being arranged on the universal adjustment connecting rod on this magnetic support and being arranged on described welding compression roller roll surface and the laser shutter being connected with described universal adjustment connecting rod, described magnetic support, universal adjustment connecting rod and laser shutter have been arranged symmetrically with two along the weld seam between described welding compression roller.
As improvement, described laser shutter integral body is " 7 " font, should " 7 " font laser shutter comprises the baffle plate handle being connected with described universal adjustment connecting rod and be placed in the baffle plate head on described welding compression roller roll surface, during installation will " 7 " font laser shutter is contained in before welding machine side-blown, thereby avoids turning round and causing welding machine side-blown to encounter laser shutter because of weld seam.
Improve again, the end shape of described baffle plate head and described compression roller roll surface peripheral shape adapt, be crescent shape, because welding compression roller is circular, baffle plate cephalic par is made to crescent shape, reduced baffle plate cephalic par laser has been shone into impact, while preventing that laser from passing laser welded seam, be surprisingly mapped on baffle plate head.
Consider that the material thickness of laser shutter and welding machine peak power and laser welder nozzle are to the distance dependent of compression roller, due to welding machine peak power 6KW, laser welder nozzle is to the about 8mm of the distance left and right of compression roller, therefore preferably, described laser shutter thickness of slab is 3～5mm, more preferably, described laser shutter thickness of slab is 4mm.
In addition, consider that technological requirement laser solder joint is 3～7mm to the required distance of compression roller central point, therefore preferably, described baffle plate head is 11～19mm along the width of bead direction, and more preferably, described baffle plate head is 15mm along the width of bead direction.
Compared with prior art, owing to the utility model has the advantage of: laser unit compression roller is used diameter range between φ 192～φ 148 at present, for different welding compression roller diameters, the tram that can guarantee laser shutter by adjusting universal adjustment connecting rod, weld in addition compression roller roll surface and maintain the gradient of 5 °, by adjusting universal adjustment connecting rod, laser shutter can be fitted on roll surface well, in laser beam welding, even if occur that unit is produced, run into weld seam and cross and turn round, the effect of keeping out due to laser shutter, first laser will be mapped in laser shutter, and can directly not be mapped on welding compression roller, thereby protected welding compression roller roll surface to avoid laser damage, improved the service life of welding compression roller, and when laser shutter is after being repeatedly mapped to by laser, laser shutter is by progressively attenuation, as long as utilize shutdown space to carry out, change ahead of time laser shutter.
Accompanying drawing explanation
Fig. 1 is first structural representation of laser welding pipe unit compression roller protective device in the utility model embodiment;
Fig. 2 is second structural representation of laser welding pipe unit compression roller protective device in the utility model embodiment;
Fig. 3 is the 3rd structural representation of laser welding pipe unit compression roller protective device in the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Figures 1 to 3, the laser welding pipe unit compression roller protective device in this enforcement, comprises magnetic support 1, universal adjustment connecting rod 2 and laser shutter 3.
Wherein, magnetic support 1 is arranged on welding compression roller pedestal side, universal adjustment connecting rod 2 is arranged on this magnetic support 1, laser shutter 3 is arranged on welding compression roller roll surface and is connected with universal adjustment connecting rod 2, and magnetic support 1, universal adjustment connecting rod 2 and laser shutter 3 have been arranged symmetrically with two along the weld seam between welding compression roller.
Laser shutter 3 integral body are " 7 " font, should " 7 " font laser shutter 3 comprises the baffle plate handle 31 being connected with universal adjustment connecting rod 2 and be placed in the baffle plate head 32 on welding compression roller roll surface, during installation will " 7 " font laser shutter 3 is contained in before welding machine side-blown, thereby avoids turning round and causing welding machine side-blown to encounter laser shutter 3 because of weld seam; Because welding compression roller is circular, crescent shape is made in baffle plate head 32 ends, reduced baffle plate head 32 ends laser has been shone into impact, while preventing that laser from passing laser welded seam, surprisingly be mapped on baffle plate head 32, the end shape of baffle plate head 32 and compression roller roll surface peripheral shape adapt, and are crescent shape.
Consider that the material thickness of laser shutter 3 and welding machine peak power and laser welder nozzle are to the distance dependent of compression roller, due to welding machine peak power 6KW, laser welder nozzle, to the about 8mm of the distance left and right of compression roller, is 4mm therefore select laser shutter plate 3 thick; Considering that technological requirement laser solder joint is 3～7mm to the required distance of compression roller central point, is 15mm therefore select baffle plate head 32 along the width of bead direction; Laser shutter 3 material selection corrosion resistant plates, for making laser shutter 3 compact conformations, " 7 " entire length of font laser shutter 3 is 140mm, the width 10mm of baffle plate handle 31, the long 30mm of baffle plate head 32.
Laser unit compression roller is used diameter range between φ 192～φ 148 at present, for different welding compression roller diameters, the tram that can guarantee laser shutter 3 by adjusting universal adjustment connecting rod 2, weld in addition compression roller roll surface and maintain the gradient of 5 °, by adjusting universal adjustment connecting rod 2, laser shutter 3 can be fitted on roll surface well, in laser beam welding, even if occur that unit is produced, run into weld seam and cross and turn round, the effect of keeping out due to laser shutter 3, first laser will be mapped in laser shutter 3, and can directly not be mapped on welding compression roller, thereby protected welding compression roller roll surface to avoid laser damage, improved the service life of welding compression roller.
Laser welding pipe unit compression roller protective device of the present utility model to install and use step as follows:
The first step, before unit is produced, first universal adjustment connecting rod 2, magnetic support 1 and " 7 " font laser shutter 3 two parts assemble; Second step, utilizes magnetic support 1 magnetic, and handle assembly is arranged on welding compression roller pedestal side and fixes; The 3rd step, operation welding machine panel, opens laser infrared line alignment 4, it is zero point, according to infrared ray alignment 4, laser shutter 3 is adjusted on correct position, confirmed the distance between welding machine side-blown and laser shutter 3 simultaneously, the device of guaranteeing to blow side can not turned round and encounter laser shutter 3 because of weld seam; The 4th step, in use, " 7 " font laser shutter 3 is as being repeatedly mapped to by laser, laser shutter 3 thickness progressively reduce, and need to utilize shutdown space to carry out ahead of time and change, and realize the injury that compression roller exempts to be mapped to by laser.
Claims (7)
1. a laser welding pipe unit compression roller protective device; it is characterized in that: comprise being arranged on the magnetic support of welding on compression roller pedestal side, being arranged on the universal adjustment connecting rod on this magnetic support and being arranged on described welding compression roller roll surface and the laser shutter being connected with described universal adjustment connecting rod, described magnetic support, universal adjustment connecting rod and laser shutter have been arranged symmetrically with two along the weld seam between described welding compression roller.
2. laser welding pipe unit compression roller protective device according to claim 1; it is characterized in that: described laser shutter integral body is " 7 " font, should " 7 " font laser shutter comprises the baffle plate handle being connected with described universal adjustment connecting rod and be placed in the baffle plate head on described welding compression roller roll surface.
3. laser welding pipe unit compression roller protective device according to claim 2, is characterized in that: the end shape of described baffle plate head and described compression roller roll surface peripheral shape adapt, and are crescent shape.
4. according to the laser welding pipe unit compression roller protective device described in claim 2 or 3, it is characterized in that: described laser shutter thickness of slab is 3～5mm.
5. according to the laser welding pipe unit compression roller protective device of claim 4, it is characterized in that: described laser shutter thickness of slab is 4mm.
6. according to the laser welding pipe unit compression roller protective device of claim 4, it is characterized in that: described baffle plate head is 11～19mm along the width of bead direction.
7. laser welding pipe unit compression roller protective device according to claim 6, is characterized in that: described baffle plate head is 15mm along the width of bead direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180503.7U CN203804426U (en) | 2014-04-15 | 2014-04-15 | Extrusion roller protection device of laser welded pipe unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180503.7U CN203804426U (en) | 2014-04-15 | 2014-04-15 | Extrusion roller protection device of laser welded pipe unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203804426U true CN203804426U (en) | 2014-09-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420180503.7U Expired - Fee Related CN203804426U (en) | 2014-04-15 | 2014-04-15 | Extrusion roller protection device of laser welded pipe unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203804426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111112839A (en) * | 2020-01-06 | 2020-05-08 | 南京航空航天大学 | Double-laser-beam bilateral synchronous welding device and method assisted by external magnetic field |
-
2014
- 2014-04-15 CN CN201420180503.7U patent/CN203804426U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111112839A (en) * | 2020-01-06 | 2020-05-08 | 南京航空航天大学 | Double-laser-beam bilateral synchronous welding device and method assisted by external magnetic field |
| CN111112839B (en) * | 2020-01-06 | 2021-07-27 | 南京航空航天大学 | Double-laser-beam bilateral synchronous welding device and method assisted by external magnetic field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20200415 |