CN105112906A - Pipe inner wall laser cladding device - Google Patents
Pipe inner wall laser cladding device Download PDFInfo
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- CN105112906A CN105112906A CN201510357239.9A CN201510357239A CN105112906A CN 105112906 A CN105112906 A CN 105112906A CN 201510357239 A CN201510357239 A CN 201510357239A CN 105112906 A CN105112906 A CN 105112906A
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- pipe fitting
- laser cladding
- chuck
- parallel
- screw
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Abstract
The invention discloses a pipe inner wall laser cladding device. The pipe inner wall laser cladding device comprises a drive device, a connecting plate, an inner chuck, an outer chuck, a parallel rack, a ball screw, a guide shaft and a supporting device, wherein the connecting plate is mounted on an output shaft of the drive device; the inner chuck, the outer chuck and the connecting plate are concentric and are fixedly connected on the connecting plate respectively; the ball screw and the guide shaft are arranged in a pipe in parallel; the inner chuck clamps one end of the ball screw; the outer chuck clamps one end of the pipe; the supporting device is arranged at the other end, far from the outer chuck, of the pipe; the guide shaft is fixed on the supporting device; the parallel rack is mounted on the ball screw and the guide shaft; and a laser device and a powder feeding device are mounted on the parallel rack. According to the technical scheme adopted by the invention, coaxial rotation of the pipe and the ball screw is realized; and by virtue of the ball screw and the guide shaft, the parallel rack realizes reciprocal rectilinear motion for driving the laser device and the powder feeding device to realize reciprocating rectilinear motion, so that inner wall laser cladding of a relatively long pipe is realized.
Description
Technical field
The present invention relates to laser cladding equipment, in particular to a kind of pipe fitting inner wall laser cladding apparatus.
Background technology
Laser melting and coating technique has become fabrication of new materials, metallic element directly manufactures fast, one of the important means of metallic element green remanufacturing of losing efficacy.At present, the enterprise of China has also carried out a large amount of laser melting and coating technique research, but mostly concentrates on the research of component outside surface (axle class, plane class) laser melting and coating technique, less to the laser cladding apparatus research of hole type parts inwall.
The processing method of existing inner hole laser cladding mainly adopts the tooling close with outside surface melting and coating technique, as shown in Figure 1, comprise chuck 101, support 102, chuck 101 is for holding workpiece 103, laser head 104 and powder conveying pipe 105 are supported by support 102, in actual use, probe into the restriction at the length of endoporus, powder conveying pipe 105 length and angle of inclination owing to being subject to laser head 104, cladding can only be carried out, the limited width system of cladding to inner port edge.At needs, overall cladding is carried out to steel pipe inner wall, or when cladding width dimensions is larger, existing process unit cannot carry out maybe cannot meeting cladding width requirement.Such as, the nonstandard pipe fitting in cement mill is under blower negative pressure suction, complete the conveying of gas or particulate dust, at some local location, in nonstandard pipe fitting, particulate dust concentration is high, wind speed fast or flow to the factors such as sharply change causes this place easily by the dust granules erosive wear of high-speed motion, need to carry out overall cladding to pipe fitting inner wall, but existing equipment cannot meet the requirement of the overall cladding of inwall, therefore, the cycle of these position part exchangings is half a year at present, and that the replacement cycle at other positions is 2-3.So, in the urgent need to realizing the device repaired pipe fitting inner wall by laser melting coating.
Summary of the invention
A kind of pipe fitting inner wall laser cladding apparatus is provided in the embodiment of the present invention, laser apparatus and powder conveyer can be driven at pipe fitting inner wall or inner hole of workpiece long distance linear reciprocating motion, realize the laser melting coating of pipe fitting inner wall or inner hole of workpiece.
For solving the problem, the invention provides a kind of pipe fitting inner wall laser cladding apparatus, comprising drive unit, terminal pad, interior chuck, outer chuck, parallel shelf, ball-screw, the axis of guide and bracing or strutting arrangement, described terminal pad is arranged on the output shaft of described drive unit, described interior chuck and described outer chuck are also fixedly connected on described terminal pad with described terminal pad is concentric respectively, described ball-screw and the described axis of guide are set in parallel in pipe fitting, described interior chuck clamps one end of described ball-screw, described outer chuck clamps one end of described pipe fitting, described bracing or strutting arrangement is arranged on the other end of described pipe fitting away from described outer chuck, the described axis of guide is fixed on described bracing or strutting arrangement, described parallel shelf is arranged on described ball-screw and the described axis of guide, laser apparatus and powder conveyer are arranged on described parallel shelf.
Preferably, described bracing or strutting arrangement is provided with top, describedly toply holds out against the other end of described ball-screw away from described interior chuck.
Preferably, described bracing or strutting arrangement is provided with center mounting hole, and the described axis of guide is fixed on described bracing or strutting arrangement through described center mounting hole, and described center mounting hole is top parallel with described.
Preferably, described parallel shelf is provided with the first parallel open holes and the second open holes, and described parallel shelf is arranged on described ball-screw by described first open holes, is arranged on the described axis of guide by described second open holes.
Preferably, described parallel shelf is provided with bracket, and described laser apparatus and described powder conveyer are arranged on described bracket.
Preferably, described bracket is fixedly mounted on described parallel shelf by coupling device.
Preferably, described bracket is provided with slotted hole or oblong aperture.
Preferably, described pipe fitting inner wall laser cladding apparatus also comprises pipe fitting support, and described pipe fitting support is for supporting described pipe fitting.
Preferably, described pipe fitting support is adjustable roller frame.
Preferably, described adjustable roller frame is multiple, and the spacing between multiple described adjustable roller frame is identical.
Adopt technical scheme of the present invention, inside pipe fitting laser cladding apparatus, comprise drive unit, terminal pad, interior chuck, outer chuck, parallel shelf, ball-screw, the axis of guide and bracing or strutting arrangement; Terminal pad is arranged on the output shaft of drive unit, interior chuck and outer chuck are also fixedly connected on terminal pad respectively with terminal pad is concentric, ball-screw and the axis of guide are set in parallel in pipe fitting, one end of interior chuck clamping ball-screw, one end of outer chuck grip tube part, bracing or strutting arrangement is arranged on the other end of pipe fitting away from outer chuck, and the axis of guide is fixed on bracing or strutting arrangement, parallel shelf is arranged on ball-screw and the axis of guide, and laser apparatus and powder conveyer are arranged on parallel shelf.In adopting, chuck and outer chuck clamp pipe fitting and ball-screw simultaneously, realize pipe fitting and ball-screw coaxial rotation, parallel shelf is driven to realize linear reciprocating motion by the rotation of ball-screw, the laser apparatus that drive is arranged on parallel shelf and powder conveyer realize linear reciprocating motion, thus achieve the laser melting coating of pipe fitting inner wall.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing outside surface laser cladding apparatus;
Fig. 2 is the pipe fitting inner wall laser cladding apparatus structural representation of the embodiment of the present invention;
Fig. 3 is the parallel shelf schematic diagram of the pipe fitting inner wall laser cladding apparatus of the embodiment of the present invention.
Description of reference numerals
1, drive unit, 2, terminal pad, 3, outer chuck, 4, interior chuck, 5, parallel shelf, 6, ball-screw, 7, the axis of guide, 8, pipe fitting, 9, top, 10, set nut, 11, bracing or strutting arrangement, 12, adjustable roller frame, 13, bracket, 14, laser apparatus, 15, powder conveyer, the 51, first open holes, 52, the second open holes, 101, chuck, 102, support, 103, workpiece, 104, laser head, 105, powder conveying pipe.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
Fig. 2 is the pipe fitting inner wall laser cladding apparatus of the embodiment of the present invention, comprises drive unit 1, terminal pad 2, interior chuck 4, outer chuck 3, parallel shelf 5, ball-screw 6, the axis of guide 7 and bracing or strutting arrangement 11; Terminal pad 2 is arranged on the output shaft of drive unit 1, interior chuck 4 and outer chuck 3 are also fixedly connected on terminal pad 2 with terminal pad 2 is concentric respectively, ball-screw 6 and the axis of guide 7 are set in parallel in pipe fitting 8, interior chuck 4 clamps one end of ball-screw 6, outer chuck 3 clamps one end of pipe fitting 8, bracing or strutting arrangement 11 is arranged on the other end of pipe fitting 8 away from outer chuck 3, the axis of guide 7 is fixed on bracing or strutting arrangement 11, parallel shelf 5 is arranged on ball-screw 6 and the axis of guide 7, and laser apparatus 14 and powder conveyer 15 are arranged on parallel shelf 15.Wherein, terminal pad 2 connects with the output shaft of drive unit 1, outer chuck 3 is also fixedly connected with terminal pad 2 respectively with interior chuck 4 is concentric, realize pipe fitting 8 and ball-screw 6 clamps with one heart, terminal pad 2 rotates under the drive of drive unit 1, outer chuck 3 is made to drive pipe fitting 8 to rotate, interior chuck 3 drives ball-screw 6 to rotate, parallel shelf 5 is arranged on ball-screw 6 and the axis of guide 7 simultaneously, the axis of guide 7 plays supplemental support, and also define the degree of freedom of parallel shelf 5, make parallel shelf 5 realize translational motion along with the rotation of ball-screw 6.When drive unit 1 drives ball-screw 6 Double-directional rotary, realize the linear reciprocating motion of parallel shelf 5.
As preferably, the bracing or strutting arrangement 11 of the pipe fitting inner wall laser cladding apparatus of the embodiment of the present invention is provided with top 9, and top 9 hold out against the other end of ball-screw 6 away from interior chuck 4, also can play a supporting role simultaneously.Bracing or strutting arrangement 11 is provided with center mounting hole, and the axis of guide 7 is fixed on bracing or strutting arrangement 11 through center mounting hole, and center mounting hole is 9 parallel with top, and by top 9 and center mounting hole, guarantee ball-screw 6 is parallel with the axis of guide 7.Different according to the length of pipe fitting 8, bracing or strutting arrangement 11 can move, to meet the requirement of different lengths pipe fitting 8.In fact, in actual use, drive unit 1 can adopt the selective headstock of lathe, and bracing or strutting arrangement 11 uses apex tailstock.
In the embodiment of the present invention, parallel shelf 5 is provided with the first parallel open holes 51 and the second open holes 52, and parallel shelf 5 is arranged on the ball nut on ball-screw 6 by the first open holes 51, is arranged on the axis of guide 7 by the second open holes 52.The axis of guide 7 pairs of parallel shelfs 5 play supplemental support and guide effect, reduce ball-screw 6 in the vertical direction stressed, limit the degree of freedom of parallel shelf 5 simultaneously.
Preferably, parallel shelf 5 is provided with bracket 13, laser apparatus 14 and powder conveyer 15 are arranged on bracket 13, bracket 13 can pass through coupling device, as bolt, be fixedly mounted on parallel shelf 5, need different laser apparatus 14 and powder conveyer 15 are installed, can dismantle and change bracket 13 easily, so that install.Bracket 13 can be provided with slotted hole or oblong aperture, and laser apparatus 14 is arranged on oblong aperture or slotted hole, and can move up and down.
In the embodiment of the present invention, outer chuck 3 is thread jaw chuck, can clamp the pipe fitting 8 of different diameter.When pipe fitting 8 is longer, pipe fitting inner wall laser cladding apparatus also comprises can pipe fitting support, for support tubes 8.Preferably, pipe fitting support is adjustable roller frame 12, by roller supporting pipe fitting 8, and can regulate height, to adapt to the pipe fitting 8 of different diameter.Adjustable roller frame 12 can be multiple, is two in the embodiment of the present invention, and when arranging multiple adjustable roller frame 12, the spacing between multiple adjustable roller frame 12 is identical.
During use, the output shaft of drive unit 1 drives interior chuck 4 and outer chuck 3 to rotate, outer chuck 3 drives pipe fitting 8 to rotate, interior chuck 4 drives ball-screw 6 to rotate, parallel shelf 5 translational motion is driven by ball nut, and the translational motion of parallel shelf 5 drives the laser apparatus 14 on bracket 13 and powder conveyer 15 mobile in pipe fitting 8, complete the laser melting coating of the pipe fitting inner wall of longer size.Rotate under drive due to pipe fitting 8 chuck 3 outside, whole pipe fitting inner wall can be made by even cladding, meet the reparation requirement of pipe fitting inner wall, improve work-ing life.
Adopt the crucial inner wall laser cladding apparatus of the embodiment of the present invention, at needs, overall cladding is carried out to pipe fitting 8 inwall, or when cladding width dimensions is larger, the pipe fitting inner wall of such as 400mm to 1000mm, by being arranged on the linear reciprocating motion of the parallel shelf 5 in pipe fitting 8, the laser melting coating of pipe fitting inner wall can being realized, meets job requirement, improve the work-ing life of pipe fitting 8, reduce use cost.
Certainly, be more than the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art, under the prerequisite not departing from its general principles, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a pipe fitting inner wall laser cladding apparatus, is characterized in that, comprises drive unit, terminal pad, interior chuck, outer chuck, parallel shelf, ball-screw, the axis of guide and bracing or strutting arrangement, described terminal pad is arranged on the output shaft of described drive unit, described interior chuck and described outer chuck are also fixedly connected on described terminal pad with described terminal pad is concentric respectively, described ball-screw and the described axis of guide are set in parallel in pipe fitting, described interior chuck clamps one end of described ball-screw, described outer chuck clamps one end of described pipe fitting, described bracing or strutting arrangement is arranged on the other end of described pipe fitting away from described outer chuck, the described axis of guide is fixed on described bracing or strutting arrangement, described parallel shelf is arranged on described ball-screw and the described axis of guide, laser apparatus and powder conveyer are arranged on described parallel shelf.
2. pipe fitting inner wall laser cladding apparatus according to claim 1, is characterized in that, described bracing or strutting arrangement is provided with top, describedly toply holds out against the other end of described ball-screw away from described interior chuck.
3. pipe fitting inner wall laser cladding apparatus according to claim 2, it is characterized in that, described bracing or strutting arrangement is provided with center mounting hole, and the described axis of guide is fixed on described bracing or strutting arrangement through described center mounting hole, and described center mounting hole is top parallel with described.
4. pipe fitting inner wall laser cladding apparatus according to claim 1, it is characterized in that, described parallel shelf is provided with the first parallel open holes and the second open holes, described parallel shelf is arranged on described ball-screw by described first open holes, is arranged on the described axis of guide by described second open holes.
5. pipe fitting inner wall laser cladding apparatus according to claim 4, is characterized in that, described parallel shelf is provided with bracket, and described laser apparatus and described powder conveyer are arranged on described bracket.
6. pipe fitting inner wall laser cladding apparatus according to claim 5, is characterized in that, described bracket is fixedly mounted on described parallel shelf by coupling device.
7. pipe fitting inner wall laser cladding apparatus according to claim 6, is characterized in that, described bracket is provided with slotted hole or oblong aperture.
8. pipe fitting inner wall laser cladding apparatus according to claim 1, is characterized in that, described pipe fitting inner wall laser cladding apparatus also comprises pipe fitting support, and described pipe fitting support is for supporting described pipe fitting.
9. pipe fitting inner wall laser cladding apparatus according to claim 8, is characterized in that, described pipe fitting support is adjustable roller frame.
10. pipe fitting inner wall laser cladding apparatus according to claim 9, is characterized in that, described adjustable roller frame is multiple, and the spacing between multiple described adjustable roller frame is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510357239.9A CN105112906A (en) | 2015-06-25 | 2015-06-25 | Pipe inner wall laser cladding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510357239.9A CN105112906A (en) | 2015-06-25 | 2015-06-25 | Pipe inner wall laser cladding device |
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| Publication Number | Publication Date |
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| CN105112906A true CN105112906A (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510357239.9A Pending CN105112906A (en) | 2015-06-25 | 2015-06-25 | Pipe inner wall laser cladding device |
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| CN (1) | CN105112906A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499797A (en) * | 2016-02-22 | 2016-04-20 | 上海拓宝机电科技有限公司 | Supporting device for laser cladding of large side-holed thin-walled workpiece |
| CN106670650A (en) * | 2017-03-21 | 2017-05-17 | 苏州大学 | Laser carrying device for treating inner wall surface of pipeline and laser treating method |
| CN109318083A (en) * | 2018-10-27 | 2019-02-12 | 路成云 | A kind of stainless steel tube outer surface wire drawing device |
| CN109676216A (en) * | 2019-02-25 | 2019-04-26 | 南昌航空大学 | A kind of integral forming device of inner headed face increasing material manufacturing or reparation |
| CN109739023A (en) * | 2018-12-26 | 2019-05-10 | 华中科技大学 | A kind of high-power semiconductor laser surface processing device of the long cylinder inner wall of large size |
| CN110195225A (en) * | 2019-07-04 | 2019-09-03 | 南京工程学院 | A kind of device and its application method suitable for long narrow tube inner wall laser melting coating |
| CN111593340A (en) * | 2020-05-08 | 2020-08-28 | 陕西天元智能再制造股份有限公司 | Laser cladding method for inner wall of hydraulic support oil cylinder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371779A (en) * | 2002-04-01 | 2002-10-02 | 李鲁伯 | Coaxial powder-feeding mouth for inner wall laser metling covering and alloying treatment of hold pieces |
| CN203782233U (en) * | 2014-04-04 | 2014-08-20 | 兰晋 | Laser cladding equipment for inner wall of minor-caliber pipeline |
| US20150055909A1 (en) * | 2013-08-21 | 2015-02-26 | Tru-Marine Pte Ltd | Refurbished bearing and method of repairing a bearing |
| CN204752849U (en) * | 2015-06-25 | 2015-11-11 | 北京电子科技职业学院 | Pipe fitting inner wall laser cladding device |
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2015
- 2015-06-25 CN CN201510357239.9A patent/CN105112906A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371779A (en) * | 2002-04-01 | 2002-10-02 | 李鲁伯 | Coaxial powder-feeding mouth for inner wall laser metling covering and alloying treatment of hold pieces |
| US20150055909A1 (en) * | 2013-08-21 | 2015-02-26 | Tru-Marine Pte Ltd | Refurbished bearing and method of repairing a bearing |
| CN203782233U (en) * | 2014-04-04 | 2014-08-20 | 兰晋 | Laser cladding equipment for inner wall of minor-caliber pipeline |
| CN204752849U (en) * | 2015-06-25 | 2015-11-11 | 北京电子科技职业学院 | Pipe fitting inner wall laser cladding device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499797A (en) * | 2016-02-22 | 2016-04-20 | 上海拓宝机电科技有限公司 | Supporting device for laser cladding of large side-holed thin-walled workpiece |
| CN105499797B (en) * | 2016-02-22 | 2017-04-19 | 安徽拓宝增材制造科技有限公司 | Supporting device for laser cladding of large side-holed thin-walled workpiece |
| CN106670650A (en) * | 2017-03-21 | 2017-05-17 | 苏州大学 | Laser carrying device for treating inner wall surface of pipeline and laser treating method |
| CN109318083A (en) * | 2018-10-27 | 2019-02-12 | 路成云 | A kind of stainless steel tube outer surface wire drawing device |
| CN109739023A (en) * | 2018-12-26 | 2019-05-10 | 华中科技大学 | A kind of high-power semiconductor laser surface processing device of the long cylinder inner wall of large size |
| CN109676216A (en) * | 2019-02-25 | 2019-04-26 | 南昌航空大学 | A kind of integral forming device of inner headed face increasing material manufacturing or reparation |
| CN109676216B (en) * | 2019-02-25 | 2020-06-16 | 南昌航空大学 | Integrated forming device for additive manufacturing or repairing of inner circular surface |
| CN110195225A (en) * | 2019-07-04 | 2019-09-03 | 南京工程学院 | A kind of device and its application method suitable for long narrow tube inner wall laser melting coating |
| CN111593340A (en) * | 2020-05-08 | 2020-08-28 | 陕西天元智能再制造股份有限公司 | Laser cladding method for inner wall of hydraulic support oil cylinder |
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Application publication date: 20151202 |