CN106702380B - Part inner hole laser cladding powder feeding device and laser cladding device - Google Patents
Part inner hole laser cladding powder feeding device and laser cladding device Download PDFInfo
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- CN106702380B CN106702380B CN201710124585.1A CN201710124585A CN106702380B CN 106702380 B CN106702380 B CN 106702380B CN 201710124585 A CN201710124585 A CN 201710124585A CN 106702380 B CN106702380 B CN 106702380B
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- adjusting rod
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- laser cladding
- pressing plate
- powder
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
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- Chemical Kinetics & Catalysis (AREA)
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- Laser Beam Processing (AREA)
Abstract
The invention relates to the technical field of laser cladding processing devices, in particular to a powder feeding device for laser cladding of an inner hole of a part and a laser cladding device. The universal joint type powder spraying nozzle is reasonable and compact in structure and convenient to use, the universal joint with the telescopic rod, the first adjusting rod, the second adjusting rod and the universal ball joint form a connecting rod, the powder spraying nozzle is installed on the universal ball joint, for inner hole parts, the axial depth of the powder spraying nozzle is controlled by changing the relative position of the first adjusting rod and the second adjusting rod, the radial height of the powder spraying nozzle is adjusted through the telescopic rod, and then the universal joint and the universal ball joint are adjusted to ensure that the powder spraying nozzle is perpendicular to a region to be clad without interference.
Description
Technical Field
The invention relates to the technical field of laser cladding processing devices, in particular to a powder feeding device for laser cladding of an inner hole of a part and a laser cladding device.
Background
The laser cladding is to heat and melt a material with special performance by laser and coat the material on the surface of a base material to obtain a cladding layer which forms good metallurgical bonding and use performance with a matrix. The powder feeding device is one of the main parts of the laser cladding equipment and plays an important role in the performance of the cladding layer. The powder feeding method can be classified into coaxial powder feeding and side-axial powder feeding. At present, laser cladding equipment can realize plate cladding, shaft part cladding and simple revolving body excircle part cladding. The tail end structure of the powder feeding device is rigidly connected with the laser head at present, and the structure of a part cannot be adjusted, so that cladding is mainly performed on an external contact surface. Although the long-focus lens can be used for realizing the long-distance focusing of the laser, the laser cladding of the inner hole part is still a big difficulty due to the limitation of the size of the laser head and the space distance between the powder feeding nozzle and the laser head. After laser is collected by using the long-focus lens, the tail end of the powder feeding pipe is rigidly connected with the laser head, and the distance cannot be adjusted, so that when the inner hole part is subjected to laser cladding, the powder feeding copper pipe interferes with the part, and the cladding depth in the axial direction is limited.
Disclosure of Invention
The invention provides a powder feeding device for inner hole laser cladding of parts and a laser cladding device, overcomes the defects of the prior art, and can effectively solve the problem that the inner hole parts are difficult to laser cladding in the prior laser cladding device.
The first technical scheme of the invention is realized by the following measures: a powder feeding device for laser cladding of inner holes of parts comprises a connecting block, a universal joint with a telescopic rod, a first adjusting rod, a second adjusting rod, a first fastening bolt and a second fastening bolt, wherein the universal joint with the telescopic rod comprises a telescopic rod and a universal joint connected to the upper end of the telescopic rod, and the upper end of the universal joint is fixedly arranged on the connecting block; the first adjusting rod is provided with a first sliding groove along the longitudinal direction, the second adjusting rod is provided with a second sliding groove along the longitudinal direction, the lower end of the telescopic rod is connected with the upper part of the first adjusting rod through a first fastening bolt, the first fastening bolt is positioned in the first sliding groove, and the head part of the first fastening bolt is provided with a first nut; the lower part of the first adjusting rod is connected with the left part of the second adjusting rod through a second fastening bolt, the second fastening bolt is positioned in the second sliding groove, and the head part of the second fastening bolt is provided with a second nut; a universal spherical joint is arranged in the second sliding groove on the right side of the second adjusting rod, and a powder nozzle fixing plate is fixedly arranged on the universal spherical joint; the upper end face of the second adjusting rod is fixedly provided with a first adapter and a second adapter, the left end of the first adapter is connected with a first hose, the right end of the second adapter is connected with a second hose, a powder feeding copper pipe is connected between the first adapter and the second adapter, a powder nozzle is fixedly arranged on a powder nozzle fixing plate, a third adapter is fixedly arranged on a powder inlet of the powder nozzle, the left end of the third adapter is connected with a third hose, the first hose is communicated with the second hose through the powder feeding copper pipe, the second hose is communicated with the third hose, and the third hose is sequentially communicated with the third adapter and the powder nozzle.
The following is further optimization or/and improvement of the technical scheme of the invention:
the universal joint connected to the upper end of the telescopic rod is a ball joint universal joint.
The telescopic rod is a sleeve type telescopic rod.
The first adjusting rod is a strip-shaped plate, a strip-shaped first sliding groove is formed in the length direction of the strip-shaped plate, and the width of the first sliding groove is matched with the size of the first fastening bolt; the second adjusting rod is a long-strip-shaped plate, a long-strip-shaped second sliding groove is formed in the length direction of the long-strip-shaped plate, and the width of the second sliding groove is matched with the size of the second fastening bolt.
A first buckling and pressing plate and a second buckling and pressing plate are fixedly arranged on the upper end surface of the second adjusting rod, a first adapter is fixedly arranged on the first buckling and pressing plate, and a second adapter is fixedly arranged on the second buckling and pressing plate; or/and the powder nozzle is arranged in parallel with the universal ball joint.
The second technical scheme of the invention is realized by the following measures: the laser cladding device comprises a laser head which is fixedly arranged on a connecting block.
The universal joint type powder spraying nozzle is reasonable and compact in structure and convenient to use, the universal joint type powder spraying nozzle is provided with the telescopic rod universal joint, the first adjusting rod, the second adjusting rod and the universal ball joint form a connecting rod, the powder spraying nozzle is installed on the universal ball joint, for an inner hole part, the axial depth of the powder spraying nozzle is controlled by changing the relative position of the first adjusting rod and the second adjusting rod, the radial height of the powder spraying nozzle is adjusted through the telescopic rod, then the universal joint and the universal ball joint are adjusted to ensure that the powder spraying nozzle is perpendicular to a region to be cladded, a specified cladding region can be reached through simple and rapid adjustment without interference, and the universal joint type powder spraying nozzle has the characteristics.
Drawings
Fig. 1 is a schematic structural view of a first stereoscopic viewing angle according to a second embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second stereoscopic viewing angle according to an embodiment of the invention.
Fig. 3 is a schematic structural view of a universal joint with a telescopic rod according to a second embodiment of the present invention.
Fig. 4 is a schematic front view of a first adjusting lever according to a second embodiment of the present invention.
Fig. 5 is a schematic front view of a second adjusting lever according to a second embodiment of the present invention.
Fig. 6 is a schematic front view of a universal ball joint according to a second embodiment of the present invention.
Fig. 7 is a schematic front view of a powder nozzle fixing plate according to a second embodiment of the present invention.
Fig. 8 is a schematic front view of a first adapter according to a second embodiment of the present invention.
Fig. 9 is a schematic front view of a second adapter according to a second embodiment of the present invention.
Fig. 10 is a schematic front view of a third adapter according to a second embodiment of the present invention.
The codes in the figures are respectively: the device comprises a connecting block, a first adjusting rod, a second adjusting rod, a first fastening bolt, a second fastening bolt, a telescopic rod, a universal joint, a first sliding groove, a second sliding groove, a first nut, a second nut, a universal spherical joint, a powder nozzle fixing plate, a first conversion joint, a second conversion joint, a first hose, a second hose, a powder feeding copper pipe, a powder spraying nozzle, a third conversion joint, a third hose, a first pressing plate, a second pressing plate and a laser head, wherein the connecting block is 1, the first adjusting rod is 2, the second adjusting rod is 3, the first fastening bolt is 4, the second fastening bolt is 5, the telescopic rod is 6, the universal joint is 7, the first sliding groove is 8, the second sliding groove is 9, the first nut is 10, the second nut is 11.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described with reference to the following examples and figures:
the first embodiment is as follows: as shown in the attached drawings 1 to 10, the part inner hole laser cladding powder feeding device comprises a connecting block 1, a universal joint with a telescopic rod, a first adjusting rod 2, a second adjusting rod 3, a first fastening bolt 4 and a second fastening bolt 5, wherein the universal joint with the telescopic rod comprises a telescopic rod 6 and a universal joint 7 connected to the upper end of the telescopic rod 6, and the upper end of the universal joint 7 is fixedly installed on the connecting block 1; a first sliding groove 8 is formed in the first adjusting rod 2 along the longitudinal direction, a second sliding groove 9 is formed in the second adjusting rod 3 along the longitudinal direction, the lower end of the telescopic rod 6 is connected with the upper portion of the first adjusting rod 2 through a first fastening bolt 4, the first fastening bolt 4 is located in the first sliding groove 8, and a first nut 10 is mounted at the head of the first fastening bolt 4; the lower part of the first adjusting rod 2 is connected with the left part of the second adjusting rod 3 through a second fastening bolt 5, the second fastening bolt 5 is positioned in the second sliding chute 9, and the head part of the second fastening bolt 5 is provided with a second nut 11; a universal spherical joint 12 is arranged in the second chute 9 at the right side of the second adjusting rod 3, and a powder nozzle fixing plate 13 is fixedly arranged on the universal spherical joint 12; a first adapter 14 and a second adapter 15 are fixedly mounted on the upper end surface of the second adjusting rod 3, a first hose 16 is connected to the left end of the first adapter 14, a second hose 17 is connected to the right end of the second adapter 15, a powder feeding copper pipe 18 is connected between the first adapter 14 and the second adapter 15, a powder nozzle 19 is fixedly mounted on the powder nozzle fixing plate 13, a third adapter 20 is fixedly mounted on a powder inlet of the powder nozzle 19, a third hose 21 is connected to the left end of the third adapter 20, the first hose 16 is communicated with the second hose 17 through the powder feeding copper pipe 18, the second hose 17 is communicated with the third hose 21, and the third hose 21 is sequentially communicated with the third adapter 20 and the powder nozzle 19. According to the invention, the connecting block 1 is fixed, the connecting block 1, the universal joint with the telescopic rod, the first adjusting rod 2, the second adjusting rod 3 and the universal spherical joint 12 are sequentially connected, the universal joint with the telescopic rod, the first adjusting rod 2, the second adjusting rod 3 and the universal spherical joint 12 form a connecting rod, and the powder spray nozzle 19 is arranged on the universal spherical joint 12. For an inner hole part, the axial depth of the powder nozzle 19 is controlled by changing the relative position of the first adjusting rod 2 and the second adjusting rod 3, the radial height of the powder nozzle 19 is adjusted through the telescopic rod 6, and then the powder nozzle 19 is ensured to be vertical to a region to be clad through adjusting the universal joint 7 and the universal spherical joint 12. The invention has the advantages that the axial depth of the inner hole cladding can be increased, the appointed cladding area can be reached through simple and rapid adjustment, and the cost is low. The invention can quickly adjust the position of the powder nozzle 19 according to the size of the cladding inner hole without interference, thereby maximally realizing the industrial value of cladding equipment. The powder nozzle 19 is made of copper, and the laser is reflected and then irradiates the powder nozzle 19 to be not easily melted, so that the service life is long, and the work is stable.
The inner hole laser cladding powder feeding device of the part can be further optimized or/and improved according to actual requirements:
as shown in fig. 1, 2 and 3, the universal joint 7 connected to the upper end of the telescopic rod 6 is a ball joint universal joint. The bulb universal joint is simple in structure and large in moving range, the telescopic rod 6 is mounted on the bulb universal joint and can rotate on a large scale, and the direction of a connecting rod formed by the telescopic rod universal joint, the first adjusting rod 2, the second adjusting rod 3 and the universal ball joint 12 can be conveniently adjusted.
As shown in fig. 1, 2 and 3, the extendable rod 6 is a telescopic extendable rod. Telescopic rods are well known and commonly used technologies, such as selfie sticks, radio antennas, satellite tv antennas, etc. The telescopic rod has simple structure and can freely extend, and the radial height of the powder nozzle 19 can be adjusted through the telescopic rod during the laser cladding operation of the inner hole of the part.
As shown in fig. 1, 2, 4 and 5, the first adjusting rod 2 is an elongated plate, a first elongated sliding groove 8 is formed in the elongated plate in the length direction, and the width of the first sliding groove 8 is adapted to the size of the first fastening bolt 4; the second adjusting rod 3 is a strip-shaped plate, a strip-shaped second sliding groove 9 is formed in the length direction of the strip-shaped plate, and the width of the second sliding groove 9 is matched with the size of the second fastening bolt 5. The length of a connecting rod formed by the telescopic rod universal joint, the first adjusting rod 2, the second adjusting rod 3 and the universal spherical joint 12 can be adjusted by adjusting the position of the first fastening bolt 4 in the first sliding chute 8 and the position of the second fastening bolt 5 in the second sliding chute 9, and further the axial depth of the powder nozzle 19 is controlled.
As shown in fig. 1, 2 and 5, a first buckling and pressing plate 22 and a second buckling and pressing plate 23 are fixedly installed on the upper end surface of the second adjusting rod 3, a first adapter 14 is fixedly installed on the first buckling and pressing plate 22, and a second adapter 15 is fixedly installed on the second buckling and pressing plate 23; or/and the powder nozzle 19 is arranged in parallel with the universal ball joint 12. The first adapter joint 14 and the second adapter joint 15 are both copper joints, the first adapter joint 14 is installed by adopting a first buckling and pressing plate 22, and the second adapter joint 15 is installed by adopting a second buckling and pressing plate 23, so that the stability and the firmness are improved. The powder nozzle 19 is arranged on the universal spherical joint 12, and the powder nozzle 19 is arranged in parallel with the universal spherical joint 12, so that the direction of the powder nozzle 19 can be adjusted by adjusting the direction of the universal spherical joint 12, and the operation is simple.
Example two: as shown in the attached drawings 1 and 2, the laser cladding device comprising the part inner hole laser cladding powder feeding device in the first embodiment further comprises a laser head 24, and the laser head 24 is fixedly installed on the connecting block 1.
The technical characteristics form an embodiment of the invention, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
The application process of the embodiment of the invention comprises the following steps:
two holes outside the connecting block 1 are fixed at the designated position of the laser head 24 by screws, the middle hole and the ball head end of the ball head universal joint are fastened by threads, the lower end of the telescopic rod 6 and the first adjusting rod 2 are fixed by a first fastening bolt 4, the first adjusting rod 2 and the second adjusting rod 3 are fixed by a second fastening bolt 5, the other end of the second adjusting rod 3 and the ball head end of the universal ball joint 12 are fixed by threads in a matching nut, and the other end of the universal ball joint 12 and the fixing plate of the powder nozzle 19 are fastened by threads. The powder nozzle 19 is fixed at a designated position of the powder nozzle fixing plate 13 and is fixed by a buckling plate. One end of a third adapter 20 is fixed with a powder nozzle 19, one end of a second adapter 15 is connected with a powder feeding copper pipe 18 and fixed on the second adjusting rod 3, the third adapter 20 is connected with the second adapter 15 through a third hose 21 and a second hose 17, the second adapter 15 is connected with the first adapter 14 through the powder feeding copper pipe 18, and the other end of the first adapter 14 is connected with a first hose 16 of a powder feeder. For an inner hole part, the axial depth of the powder nozzle 19 is controlled by changing the relative position of the first adjusting rod 2 and the second adjusting rod 3, the radial height of the powder nozzle 19 is adjusted through the telescopic rod 6, and then the powder nozzle 19 is ensured to be vertical to a region to be clad through adjusting the universal joint 7 and the universal spherical joint 12.
Claims (10)
1. A powder feeding device for laser cladding of inner holes of parts is characterized by comprising a connecting block, a universal joint with a telescopic rod, a first adjusting rod, a second adjusting rod, a first fastening bolt and a second fastening bolt, wherein the universal joint with the telescopic rod comprises a telescopic rod and a universal joint connected to the upper end of the telescopic rod, and the upper end of the universal joint is fixedly arranged on the connecting block; the first adjusting rod is provided with a first sliding groove along the longitudinal direction, the second adjusting rod is provided with a second sliding groove along the longitudinal direction, the lower end of the telescopic rod is connected with the upper part of the first adjusting rod through a first fastening bolt, the first fastening bolt is positioned in the first sliding groove, and the head part of the first fastening bolt is provided with a first nut; the lower part of the first adjusting rod is connected with the left part of the second adjusting rod through a second fastening bolt, the second fastening bolt is positioned in the second sliding groove, and the head part of the second fastening bolt is provided with a second nut; a universal spherical joint is arranged in the second sliding groove on the right side of the second adjusting rod, and a powder nozzle fixing plate is fixedly arranged on the universal spherical joint; the upper end face of the second adjusting rod is fixedly provided with a first adapter and a second adapter, the left end of the first adapter is connected with a first hose, the right end of the second adapter is connected with a second hose, a powder feeding copper pipe is connected between the first adapter and the second adapter, a powder nozzle is fixedly arranged on a powder nozzle fixing plate, a third adapter is fixedly arranged on a powder inlet of the powder nozzle, the left end of the third adapter is connected with a third hose, the first hose is communicated with the second hose through the powder feeding copper pipe, the second hose is communicated with the third hose, and the third hose is sequentially communicated with the third adapter and the powder nozzle.
2. The powder feeding device for part inner hole laser cladding of claim 1, characterized in that the universal joint connected to the upper end of the telescopic rod is a ball joint universal joint.
3. The powder feeding device for laser cladding of the inner hole of the part as claimed in claim 1 or 2, wherein the telescopic rod is a telescopic rod.
4. The part inner hole laser cladding powder feeding device according to claim 1 or 2, wherein the first adjusting rod is an elongated plate, an elongated first chute is arranged in the length direction of the elongated plate, and the width of the first chute is adapted to the size of the first fastening bolt; the second adjusting rod is a long-strip-shaped plate, a long-strip-shaped second sliding groove is formed in the length direction of the long-strip-shaped plate, and the width of the second sliding groove is matched with the size of the second fastening bolt.
5. The part inner hole laser cladding powder feeding device according to claim 3, wherein the first adjusting rod is an elongated plate, an elongated first chute is arranged in the length direction of the elongated plate, and the width of the first chute is adapted to the size of the first fastening bolt; the second adjusting rod is a long-strip-shaped plate, a long-strip-shaped second sliding groove is formed in the length direction of the long-strip-shaped plate, and the width of the second sliding groove is matched with the size of the second fastening bolt.
6. The powder feeding device for laser cladding of the inner hole of the part as claimed in claim 1 or 2, wherein a first pressing plate and a second pressing plate are fixedly mounted on the upper end surface of the second adjusting rod, a first adapter is fixedly mounted on the first pressing plate, and a second adapter is fixedly mounted on the second pressing plate; or/and the powder nozzle is arranged in parallel with the universal ball joint.
7. The powder feeding device for laser cladding of the inner hole of the part as claimed in claim 3, wherein a first pressing plate and a second pressing plate are fixedly mounted on the upper end surface of the second adjusting rod, a first adapter is fixedly mounted on the first pressing plate, and a second adapter is fixedly mounted on the second pressing plate; or/and the powder nozzle is arranged in parallel with the universal ball joint.
8. The powder feeding device for laser cladding of the inner hole of the part as claimed in claim 4, wherein a first pressing plate and a second pressing plate are fixedly mounted on the upper end surface of the second adjusting rod, a first adapter is fixedly mounted on the first pressing plate, and a second adapter is fixedly mounted on the second pressing plate; or/and the powder nozzle is arranged in parallel with the universal ball joint.
9. The powder feeding device for laser cladding of the inner hole of the part as claimed in claim 5, wherein a first pressing plate and a second pressing plate are fixedly mounted on the upper end surface of the second adjusting rod, a first adapter is fixedly mounted on the first pressing plate, and a second adapter is fixedly mounted on the second pressing plate; or/and the powder nozzle is arranged in parallel with the universal ball joint.
10. A laser cladding device comprising the part inner hole laser cladding powder feeding device as claimed in any one of claims 1 to 9, further comprising a laser head fixedly mounted on the connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710124585.1A CN106702380B (en) | 2017-03-03 | 2017-03-03 | Part inner hole laser cladding powder feeding device and laser cladding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710124585.1A CN106702380B (en) | 2017-03-03 | 2017-03-03 | Part inner hole laser cladding powder feeding device and laser cladding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106702380A CN106702380A (en) | 2017-05-24 |
| CN106702380B true CN106702380B (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710124585.1A Active CN106702380B (en) | 2017-03-03 | 2017-03-03 | Part inner hole laser cladding powder feeding device and laser cladding device |
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| CN (1) | CN106702380B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07204858A (en) * | 1994-01-21 | 1995-08-08 | Hirotaka Eng:Kk | Device for driving movable electrode |
| CN104625062A (en) * | 2015-03-03 | 2015-05-20 | 重庆大学 | Reciprocating powder laying device for selective laser melting |
| CN104760819A (en) * | 2014-01-07 | 2015-07-08 | 丰田自动车株式会社 | Powder supply device |
| CN105297007A (en) * | 2015-11-15 | 2016-02-03 | 山东能源重装集团大族再制造有限公司 | Fusion covering method of stand column inner hole |
| CN206467292U (en) * | 2017-03-03 | 2017-09-05 | 新疆大学 | Inner bore of part laser coating and powder feeding device and laser cladding apparatus |
-
2017
- 2017-03-03 CN CN201710124585.1A patent/CN106702380B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07204858A (en) * | 1994-01-21 | 1995-08-08 | Hirotaka Eng:Kk | Device for driving movable electrode |
| CN104760819A (en) * | 2014-01-07 | 2015-07-08 | 丰田自动车株式会社 | Powder supply device |
| CN104625062A (en) * | 2015-03-03 | 2015-05-20 | 重庆大学 | Reciprocating powder laying device for selective laser melting |
| CN105297007A (en) * | 2015-11-15 | 2016-02-03 | 山东能源重装集团大族再制造有限公司 | Fusion covering method of stand column inner hole |
| CN206467292U (en) * | 2017-03-03 | 2017-09-05 | 新疆大学 | Inner bore of part laser coating and powder feeding device and laser cladding apparatus |
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| CN106702380A (en) | 2017-05-24 |
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