CN103343340A - Powder feeding device - Google Patents
Powder feeding device Download PDFInfo
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- CN103343340A CN103343340A CN2013102893213A CN201310289321A CN103343340A CN 103343340 A CN103343340 A CN 103343340A CN 2013102893213 A CN2013102893213 A CN 2013102893213A CN 201310289321 A CN201310289321 A CN 201310289321A CN 103343340 A CN103343340 A CN 103343340A
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Abstract
The invention provides a powder feeding device, and relates to the technical field of laser machining equipment. The powder feeding device comprises a main housing, a first buffer part and a second buffer part; the main housing comprises a connecting cylinder and a middle groove of which the bottom is a plane, the connecting cylinder is connected with the middle groove, and a bottom connecting place between the connecting cylinder and the middle groove is provided with a first set angle; the first buffer part comprises a concave plate, and the concave plate is arranged in the middle groove by a second set angle; the second buffer part comprises a flat plate, and the flat plate is covered on the upper end of the middle groove; the middle groove is gradually narrowed, and the tail end of the middle groove and the flat plate form a power outlet; and a gap is remained between the concave plate and the bottom of the middle groove to form a powder passing opening. The powder feeding device provided by the invention adopts an internal buffer structure, so that the requirement to an external buffer can be reduced, the volume can be reduced, the paving width of the clad powder can be exactly controlled, and the clad powder with even thickness can be paved.
Description
Technical field
The invention belongs to the laser process equipment technical field, relate in particular to a kind of powder conveyer.
Background technology
At present, for the synchronous preposition powder feeding technology that adopts in the laser melting coating, laser beam and powder conveyer are fixed in to do on the same running gear and are synchronized with the movement, the cladding powder is laid good before laser melting coating, the powder feeding type of drive generally has two kinds of gravity powder feeding and pneumatic powder feedings, the cladding powder sprays and laid in the cladding substrate surface from the terminal directly ejection of powder conveying pipe or by a powder conveyer, and most of powder conveyers are a copper pipe or perforate copper billet.When adopting pneumatic powder feeding, owing to residual gas cognition in the pipe influences the laid of powder, therefore in the middle of powder feeding pipes, add a snubber and filter out gas, the big and placement inconvenience of this damper volume.When adopting the curve of wide light spot laser bundle non-directional more complicated of cladding on the cladding base material, reach synchronous preposition shop powder, then need the cladding powder of laid big width and powder conveyer from laser beam as far as possible close to.But because the existence of inertia when adopting gravity powder feeding and pneumatic powder feeding, after high-density cladding powder comes out from powder conveyer, can become scattered about the cladding substrate surface with an angle of inclination, thus make the laid width of cladding powder be difficult to control and powder in uneven thickness; If powder conveyer from laser beam too close to, then the cladding powder just is melted falling the cladding substrate surface, does not reach effects preset.Thereby the laser melting coating effect that is difficult to obtain.
Summary of the invention
In view of this, the invention reside in provides a kind of powder conveyer, and to solve above-mentioned available technology adopting external buffer, volume is excessive and placement is inconvenient, the laid width of powder and the unmanageable problem of laid thickness.
For addressing the above problem, the invention provides a kind of powder conveyer, comprise main housing, first buffer unit and second buffer unit;
Described main housing comprises that connecting cylinder and bottom are the middle trough on plane, and the bottom surface of described connecting cylinder is connected with first set angle with described middle trough bottom;
Wherein, the scope of first set angle is between 90 ° to 180 °.
Described first buffer unit comprises notch board, and notch board is arranged on the inside of described middle trough with second set angle;
Described second buffer unit comprises flat board, and flat board covers described middle trough upper end;
Wherein, described middle trough is constriction gradually, at its terminal and described dull and stereotyped meal outlet that forms;
Wherein, leave the space between the bottom of described notch board and described middle trough, form logical powder mouth.
Described notch board both sides, upper end and described middle trough leave venting hole.
Facial planes and both wings during described notch board comprises, and both wings indent;
Wherein, described notch board both wings indent scope strengthens gradually, makes the notch board plane from top to bottom, and width reduces gradually.
There are angle in described notch board and described connecting cylinder bottom surface;
Wherein, the scope of described angle is between 30 ° to 150 °.
Described second buffer unit also comprises folder lid and second clamping plate that are connected with flat board.
Described middle trough upper end is provided with placing plate.
The described second clamping plate clip is on described placing plate.
Described folder lid lid is clipped in the upper end of described middle trough and described meal outlet.
Described first buffer unit also comprises first clamping plate that are connected with notch board, and first clamping plate lid is clipped in described connecting cylinder upper end.
Described venting hole is used for the installation and removal of described first buffer unit and described second buffer unit.
The laid powder of described powder conveyer is between 80 orders～400 orders.
The width of described meal outlet is between 1mm～40mm.
Laser coating and powder feeding device among the present invention has the following advantages:
1. do not need to connect external buffer, reduced device volume, be convenient to install, place.
2. can control the laid width of cladding powder accurately, the uniform cladding powder of laid thickness.
Figure of description
Fig. 1 is structure principle chart;
Fig. 2 is the front view of main housing;
Fig. 3 is the side-view of first-level buffer parts;
Fig. 4 is the front view of notch board;
Fig. 5 is the front view of level 2 buffering parts.
Embodiment
The invention provides a kind of laser coating and powder feeding device, need external buffer, can not accurately control the laid width of cladding powder with solution, problem that can not the uniform cladding powder of laid thickness
The following description and drawings illustrate specific embodiments of the present invention fully, to enable those skilled in the art to put into practice them.That other embodiments can comprise is structure, logic, fixedly assembling process and other change.Embodiment only represents possible variation.Unless explicitly call for, otherwise independent parts and function are optional, and the order of operation can change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.The scope of embodiment of the present invention comprises the entire area of claims, and all obtainable equivalents of claims.Surpassing one embodiment if in fact disclose, is not the scope that will automatically limit this application.
See also Fig. 1 to Fig. 5, each structural representation of a kind of powder conveyer that Fig. 1 to Fig. 5 provides for the embodiment of the invention.
Wherein each Reference numeral is, the 1-flat board, and 2-second buffer unit, 3-covers folder, 4-first buffer unit, 5-first clamping plate, the 6-connecting cylinder, the 7-venting hole, the 8-main housing, the 9-intaglio plate, 10-leads to powder mouth, 11-middle trough, 12-meal outlet, 13-opening, 14-second clamping plate.
The invention provides a kind of powder conveyer, comprise main housing 8, first buffer unit 4; Second stage buffer unit 2,
Wherein, main housing 8 comprises connecting cylinder 6, middle trough 11,
Described connecting cylinder 6 is the tubular hollow structure on plane for the bottom, and wherein, the structure of connecting cylinder 6 can be square, circular or other tubular structures, and concrete coming according to the powder conveying pipe orifice configuration is fixed.Connecting cylinder 6 can be groove shape structure, do not bind in the upper end, need be at first clamping plate 5 of connecting cylinder outside clamping, be used for covering the upper end open of connecting cylinder 6, powder is passed through in the process of connecting cylinder 6, can not produce leakage, first clamping plate 5 are clamped in connecting cylinder 6 outsides and belong to flexible connection, can move at connecting cylinder 6.
Described middle trough 11 is the groove shape no ceiling hollow structure on plane for the bottom, and middle trough is along base plane constriction gradually, be combined to form meal outlet 12 with second stage buffer unit 2, placing plate is extended in the middle trough upper end, be used for supporting the flat board of second buffer unit, for the clip of second buffer unit, second clamping plate.
First buffer unit 4 comprises notch board 9, facial planes and both wings during notch board 9 comprises, both wings indent, indent are to carry out bending with respect to the powder direction that sprays into, and both wings indent scope strengthens gradually, make the middle facial planes of notch board 9 from top to bottom, width reduces gradually, forms wide at the top and narrow at the bottom.Middle part planar end and the middle trough 11 of notch board leave the space, and it forms logical powder mouth 10.Described notch board both sides, upper end and described middle trough leave venting hole.Except logical powder mouth 10 and venting hole, notch board 9 seals fully with middle trough 11, and powder can only be carried to meal outlet 12 directions by logical powder mouth 10.Whole notch board 9 is arranged on the inside of middle trough 11 with second set angle, and second set angle is become relative angle by facial planes in the notch board 9 with connecting cylinder 6 base plane, and angular range is between 30 ° to 150 °.Wherein, notch board 9 arrange middle trough 11 inside method can for, establish a perforate 13 at connecting cylinder 6 and upper end, middle trough 11 base plane junctions, connect first clamping plate at notch board 9 wide ends, these first clamping plate can be same with used first clamping plate 5 of connecting cylinder, notch board 9 is inserted middle trough 11 inside by perforate 13, first clamping plate 5 are clamped in the outside of connecting cylinder, notch board 9 is played a fixing effect, the mode of connection of first clamping plate, 5 clampings can be shifted notch board onto accurate position for flexibly connecting.
Second buffer unit 2 comprises dull and stereotyped 1, dull and stereotyped 1 covers the upper end of middle trough 11, be used for sealing middle trough 11, and form meal outlet 12 with middle trough 11, can be by be clamped in the both sides of middle trough 11 and meal outlet 12 at dull and stereotyped 1 connection cover folder 3, be stuck under the extended placing plate of middle trough by dull and stereotyped 1 second clamping plate that connect, fix dull and stereotyped 1.
Describe composition and the annexation of the various piece of powder conveyer above in detail, next described the principle of work of this powder conveyer in detail.
This powder conveyer is applicable to gravity powder feeding and pneumatic powder feeding, and except meal outlet 12, outside the venting hole, other structures are sealing during use.When connecting cylinder 6 connects logical tube cell, beginning is during to this device pulverized powder, at first, powder by 6 dozens of connecting cylinders on the middle facial planes and both wings of notch board 9, the powder that enters is played the effect of a deceleration buffer, and powder converged to logical powder mouth 10, the gas with powder enters can pass through both sides, notch board 9 upper end venting hole 7, be emitted on outside the powder conveyer, powder is by behind the first step buffer unit 4 then, and behind logical powder mouth 10, the powder of conveying is that width is certain, thickness is certain, continue to carry to meal outlet 12 by middle trough 11, converge in meal outlet 12 uniformly, pass through dull and stereotyped 1 buffering then, the powder belt that uniform width of cladding powder formation equals the meal outlet width falls within on the cladding base material, along with the uniform motion of powder conveyer, it is certain to form width, the uniform cladding powder of thickness at last.
The laid powder of this powder conveyer comprises 80 orders～various powder of 400 orders, for example Fe base, Ni base, Co base, Cu base, ultra-fine overweight Wimet WC-Co powder, the ceramic powder A1 of ultra-fine ultralight
2O
3, ZrO
2
The laid width of this powder conveyer cladding powder is between 1mm～40mm, and laid thickness is between 0.5mm～10mm, and in these scopes, laid width and laid thickness can be regulated arbitrarily.
This powder conveyer can adopt copper sheet etc. to have the metallic substance of toughness, and other resistant to elevated temperatures plastics stupaliths are made.
For the profile of each parts of setting forth in embodiments of the present invention with interconnect, within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a powder conveyer is characterized in that, comprises main housing (8), first buffer unit (4) and second buffer unit (2); Described main housing (8) comprises that connecting cylinder and bottom are the middle trough (11) on plane, described connecting cylinder (6) is connected with described middle trough (11), and is provided with first set angle in the junction, bottom of described connecting cylinder (6) and described middle trough (11); Described first buffer unit (4) comprises notch board (9), and notch board (9) is arranged on the inside of described middle trough (11) with second set angle; Described second buffer unit (2) comprises flat board (1), and dull and stereotyped (1) covers described middle trough (11) upper end; Described middle trough (11) is constriction gradually, terminal and described flat board (1) formation meal outlet (12) at it; Leave the space between the bottom of described notch board (9) and described middle trough (11), form logical powder mouth (10).
2. according to the described powder conveyer of claim 1, it is characterized in that the scope of described first set angle is between 90 ° to 180 °.
3. according to the described powder conveyer of claim 1, it is characterized in that, leave venting hole (7) between described notch board (9) both sides, upper end and the described middle trough (11).
4. according to the described powder conveyer of claim 1, it is characterized in that facial planes and both wings during described notch board (9) comprises, and both wings indent.
5. according to the described powder conveyer of claim 4, it is characterized in that described notch board (9) both wings indent scope strengthens gradually, makes notch board (9) plane from top to bottom, width reduces gradually.
6. according to the described powder conveyer of claim 5, it is characterized in that there is angle in described notch board (9) with described connecting cylinder (6) bottom surface, the scope of described angle is between 30 ° to 150 °.
7. according to the described powder conveyer of claim 1, it is characterized in that described second buffer unit (2) also comprises folder lid (3) and second clamping plate (14) that are connected with dull and stereotyped (1).
8. according to the described powder conveyer of claim 7, it is characterized in that, described middle trough (11) upper end is connected with placing plate, and described folder lid (3) is clamped in the upper end of described middle trough (11) and described meal outlet (12), and described second clamping plate (14) clip is on described placing plate.
9. according to the described powder conveyer of claim 1, it is characterized in that described first buffer unit (4) also comprises first clamping plate (5) that are connected with notch board (9), first clamping plate (5) are clamped in described connecting cylinder (6) upper end.
10. according to the described powder conveyer of claim 9, it is characterized in that, the upper end of described connecting cylinder (6) and described middle trough (11) junction is provided with perforate (13), and perforate (13) is used for the installation and removal of described first buffer unit (4) and described second buffer unit (2).
11., it is characterized in that the laid powder of described powder conveyer is between 80 orders～400 orders according to any described powder conveyer in the claim 1 to 10.
12. according to any described powder conveyer in the claim 1 to 10, it is characterized in that the width of described meal outlet is between 1mm～40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310289321.3A CN103343340B (en) | 2013-07-10 | 2013-07-10 | Powder feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310289321.3A CN103343340B (en) | 2013-07-10 | 2013-07-10 | Powder feeding device |
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| CN103343340A true CN103343340A (en) | 2013-10-09 |
| CN103343340B CN103343340B (en) | 2015-05-20 |
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| CN201310289321.3A Active CN103343340B (en) | 2013-07-10 | 2013-07-10 | Powder feeding device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105063614A (en) * | 2015-08-11 | 2015-11-18 | 山东能源重装集团大族再制造有限公司 | Powder feeding device and application method thereof |
| CN105483693A (en) * | 2014-10-11 | 2016-04-13 | 沈阳大陆激光柔性制造技术有限公司 | Powder feeding device suitable for laser cladding |
| CN113862667A (en) * | 2021-09-30 | 2021-12-31 | 南京中科煜宸激光技术有限公司 | A multistage release device for broadband cladding vibration material disk |
| CN113894292A (en) * | 2021-09-30 | 2022-01-07 | 南京中科煜宸激光技术有限公司 | Powder feeding device and method for broadband laser cladding additive manufacturing |
| CN114875403A (en) * | 2022-07-12 | 2022-08-09 | 北京煜鼎增材制造研究院有限公司 | Zero-speed powder feeding type laser surface cladding device and method |
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| CN113862667A (en) * | 2021-09-30 | 2021-12-31 | 南京中科煜宸激光技术有限公司 | A multistage release device for broadband cladding vibration material disk |
| CN113894292A (en) * | 2021-09-30 | 2022-01-07 | 南京中科煜宸激光技术有限公司 | Powder feeding device and method for broadband laser cladding additive manufacturing |
| CN113894292B (en) * | 2021-09-30 | 2024-04-12 | 南京中科煜宸激光技术有限公司 | Powder feeding device and method for broadband laser cladding additive manufacturing |
| CN113862667B (en) * | 2021-09-30 | 2024-05-14 | 南京中科煜宸激光技术有限公司 | Multistage pressure relief device for broadband cladding additive manufacturing |
| CN114875403A (en) * | 2022-07-12 | 2022-08-09 | 北京煜鼎增材制造研究院有限公司 | Zero-speed powder feeding type laser surface cladding device and method |
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|---|---|
| CN103343340B (en) | 2015-05-20 |
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Owner name: SHANDONG ENERGY HEAVY EQUIPMENT GROUP DAZU REMANUF Free format text: FORMER NAME: SHANDONG ENERGY MACHINERY GROUP HAN S REMANUFACTURING CO., LTD. |
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Inventor after: Tantai Fanliang Inventor after: Li Xiyong Inventor after: Zhou Feng Inventor after: Yang Qingdong Inventor after: Zhang Yanliang Inventor after: Su Lunchang Inventor after: Dong Chunchun Inventor after: Kang Minqiang Inventor before: Li Xiyong Inventor before: Zhou Feng Inventor before: Yang Qingdong Inventor before: Zhang Yanliang Inventor before: Su Lunchang Inventor before: Dong Chunchun Inventor before: Tantai Fanliang Inventor before: Kang Minqiang |
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Free format text: CORRECT: INVENTOR; FROM: LI XIYONG ZHOU FENG YANG QINGDONG ZHANG YANLIANG SU LUNCHANG DONG CHUNCHUNTANTAI FANLIANG KANG MINQIANG TO: TANTAI FANLIANG LI XIYONG ZHOU FENG YANG QINGDONG ZHANG YANLIANG SU LUNCHANG DONG CHUNCHUN KANG MINQIANG |
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Address after: 271200 Shandong city of Xintai province Tai'an City Xindong town new road three Patentee after: Shandong Manufacturing Co., Ltd again of energy refitting big nation of group Address before: Tai'an City, Shandong Province town of 271222 east of Xintai new road three Patentee before: Shandong Energy Machinery Group Dazu Remanufacturing Co.,Ltd. |