CN113681149A - Closed integral complex inner runner integrated material increase finishing device - Google Patents
Closed integral complex inner runner integrated material increase finishing device Download PDFInfo
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- CN113681149A CN113681149A CN202111098269.4A CN202111098269A CN113681149A CN 113681149 A CN113681149 A CN 113681149A CN 202111098269 A CN202111098269 A CN 202111098269A CN 113681149 A CN113681149 A CN 113681149A
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- laser head
- additive
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- 239000000463 material Substances 0.000 title claims description 43
- 239000000654 additive Substances 0.000 claims abstract description 43
- 230000000996 additive effect Effects 0.000 claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 18
- 230000010354 integration Effects 0.000 claims abstract description 5
- 238000003754 machining Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000005498 polishing Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 230000001681 protective effect Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/0093—Working by laser beam, e.g. welding, cutting or boring combined with mechanical machining or metal-working covered by other subclasses than B23K
Abstract
The invention relates to a closed integral complex inner runner integrated additive polishing device, which utilizes a processing indicator to indicate the light path parameters and paths of laser additive and polishing processing states, and drives a laser head additive module and a laser head polishing module to rotate through an additive/polishing laser head-galvanometer pose conversion module, thereby realizing the closed inner runner structure integrated laser additive polishing, promoting the integration and the high efficiency of high-performance manufacturing equipment of an inner runner, and effectively ensuring the service life of working fluid in the inner runner and the long-term stability of the characteristics of related hydraulic components.
Description
Technical Field
The invention belongs to the technical field of laser precision machining, and relates to a closed integral complex inner runner integrated material increase finishing device.
Background
The inner flow channel is used as a passage for fluid to flow in an element in a hydraulic system, the topological shape, the inner surface appearance and the like of the inner flow channel have great influence on the working life of working fluid and the characteristics of hydraulic components, in order to realize the preparation of a complex closed flow channel and the surface finishing, the laser material adding and finishing method causes extensive research and application exploration, and a series of laser material adding-finishing integrated methods are developed, such as the material adding and finishing integrated processing method for the inner wall of the laser material adding component described in patents CN108274123B and CN 112620943A. However, it is worth noting that the development and development of the closed integral complex inner flow channel integrated additive polishing device has certain disadvantages as an engineering practice carrier of the integrated flow channel additive polishing device. In the existing research, a synchronous laser polishing module based on the existing laser additive equipment, disclosed in patent CN109848563B, realizes synchronous switching of workpiece laser additive and finishing stations, which is essentially alternative in additive and finishing, and does not reach the degree of integration; the laser additive-polishing integrated device described in patent No. cn202022818099.x has additive and light-finishing two beams of laser light traveling in parallel at equal intervals, does not consider the difference of traveling parameters of processing light beams with different properties, and has a small significance for subsequent additive for polishing the interlayer surface of an additive sheet, thereby causing a certain waste of laser energy. Specifically, in the aspect of the additive manufacturing inner flow passage, patent CN202010389103.7 proposes an additive manufacturing inner flow passage polishing device, which uses an acid washing method to destroy the aluminum alloy material and the stainless steel surface passivation film, change the chemical composition of the inner surface, and destroy the working conditions of the flow passage. Therefore, the integrated material-adding finishing device for the integrated, efficient and green closed integral complex inner flow channel has great significance.
Disclosure of Invention
In order to overcome the defects of the existing inner runner laser material increase finishing method, the invention provides a new scheme which comprises the following steps:
the utility model provides a whole complicated interior runner integration vibration material disk device of closed which characterized in that: the laser beam for processing is adjusted by a rotatable reflector (401) to laser beam additive and finishing module parameters, and is emitted by a laser collimation vacuum-air output unit (106), and is respectively incident by a laser collimation air-vacuum input unit I (202) and a laser collimation air-vacuum input unit II (301) in the laser additive and finishing module; the laser head pose conversion servo unit (107) and the laser head pose conversion anti-collision unit (108) are respectively arranged on the material increase/finishing laser head-galvanometer pose conversion module (109), and the material increase/finishing laser head-galvanometer pose conversion module (109) drives the laser head material increase module (2) and the laser head finishing module (3) to rotate; the machining indicator (110) is attached to the material adding/finishing laser head-galvanometer pose conversion module (109) through a mechanical arm and indicates the laser head material adding module (2) and the laser head finishing module (3) to carry out pose conversion at an inner flow channel material adding/finishing state switching judgment point and regulate and control the machining light path parameter state through the rotatable reflector (401), the light shielding plate I (404) and the light shielding plate II (406).
Furthermore, the closed integral complex inner flow channel integrated additive finishing device is connected with a six-axis mechanical arm by means of a QBH interface (101) to implement pose conversion; and when the processing stroke reaches the inner runner additive/finishing state switching judgment point, the integrated additive finishing device adjusts the three-dimensional space pose to be inner runner inner wall finishing.
Furthermore, before and after the material adding/finishing laser head-galvanometer pose conversion module (109) drives the laser head material adding module (2) and the laser head finishing module (3) to rotate, the closed integrated complex inner flow channel material adding and finishing device ensures that no connection error occurs in a light spot path when the material adding and finishing modules start and end by preset processing parameters and a pre-planned NC path.
Furthermore, the closed integral complex inner flow channel integrated material increase finishing device ensures the working characteristics of laser components by means of a laser head cooling module (204) and a vibrating mirror cooling module (303).
Furthermore, coaxial powder feeding pipeline and nozzle (201) in the closed integral complex inner flow channel integrated material increase finishing device have enough flexibility and length margin value, and interference is avoided when the laser head material increase module (2) and the laser head finishing module (3) rotate.
Compared with the other devices, the closed integral complex inner flow channel integrated additive finishing device has the advantages that:
(1) the integrated additive polishing device realizes the integration and high efficiency of the high-performance manufacturing equipment of the inner runner, reduces the processing procedure of the inner runner, and ensures
The workpiece with the inner flow passage structure has long service life and good service performance;
(2) the material increase synchronous real-time finishing opens the sealing structure of the inner flow channel during the integral finishing, and provides hardware support for the implementation of the high-efficiency and green finishing process.
Drawings
FIG. 1 shows a structure of an integrated additive polishing device;
FIG. 2 is a light path diagram of the integrated additive finishing device;
FIG. 3 is a view of the integrated additive finishing internal flow channel.
Description of reference numerals: 101-QBH interface, 102-CCD camera, 103-CCD reflecting lens barrel, 104-spectroscope, 105-45 degree reflecting mirror I, 106-laser collimation vacuum-air output unit, 107-laser head pose conversion servo unit, 108-laser head pose conversion anti-collision unit, 109-material adding/finishing laser head-galvanometer pose conversion module, 110-processing indicator, 111-self-focusing collimating lens and 112-light-emitting collimation protective lens; 2-laser head additive module, 201-coaxial powder feeding pipeline and nozzle, 202-laser collimation air-vacuum input unit I, 203-45 degree reflector II, 204-laser head cooling module, 205-four nozzle coaxial gas protection module, 206-ceramic body tightening ring, 207-laser nozzle head, 208-incident light collimation protective lens I, 209-focusing protective lens I; 3-laser head finishing module, 301-laser collimation air-vacuum input unit II, 302-45 degree reflector III, 303-vibrating mirror cooling module, 304-vibrating mirror control card, 305-high speed vibrating mirror, 306-protective gas spray pipe, 307-incidence collimation protective mirror II, 308-focusing protective mirror II; 401-additive laser, 402-optical laser, 403-45 ° mirror iv, 404-mask i, 405-rotatable mirror, 406-mask ii.
Detailed Description
The following will be directed at the integrated additive finishing processing of the additive aluminum alloy runner structure. The specific embodiment of the closed integral complex inner flow channel integrated additive finishing device is clearly and completely described, and obviously, the described embodiment is only a part of the embodiment of the invention, but not all of the embodiment. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
S1, preparing aluminum alloy powder, presetting additive and polishing parameters needed by processing in a station machine, planning an additive sheet layer and a processing NC path in advance, and setting additive/finishing state switching judgment points.
S2, the additive laser (401) and the finishing laser (402) emit processing laser.
S3, firstly, entering a laser additive processing state, wherein 404 & lt & gt, a light shielding plate I (404) is offset, and additive light beams are allowed to pass through; resetting a light shielding plate II (406) to block the laser light-finishing path; a rotatable mirror (405) directs the additive laser beam into the QBH interface (101).
S4, the laser head pose conversion servo unit (107) drives the material increase/finishing laser head-galvanometer pose conversion module (109) to enable the laser head material increase module (2) to be in a processing station, the four-nozzle coaxial gas protection module (205) applies gas protection, and a laser material increase stroke is completed until the inner flow channel material increase/finishing state switching judgment point.
S5, the processing indicator (110) indicates the light shielding plate I (404) to reset, and the laser additive optical path is blocked; the light shielding plate II (406) is offset to allow the laser light-shaping optical path to pass through; the rotatable mirror (401) rotates, directing the light shaping beam into the QBH interface (101).
S6, the machining indicator (110) indicates that the mechanical arm is attached to the material adding/finishing laser head-galvanometer posture conversion module (109) to indicate that the laser head material adding module (2) and the laser head finishing module (3) carry out posture conversion, the laser head finishing module (3) is located at a machining station, the protective gas spray pipe (306) applies gas protection to complete a laser finishing stroke, the inner flow channel material adding/finishing state switching determination point is reached, and S3-S4 are repeated.
And S7, after the sheet layer is processed, the integrated material increase finishing device ascends by one sheet layer height, and S3-S6 are repeated.
And S8, after all the sheet layers are processed, taking down the labor price for post-processing, wherein the macro-morphology and the confocal morphology of the inner flow channel are shown in figure 3.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a whole complicated interior runner integration vibration material disk device of closed which characterized in that: the laser beam for processing is adjusted by a rotatable reflector (401) to laser beam additive and finishing module parameters, and is emitted by a laser collimation vacuum-air output unit (106), and is respectively incident by a laser collimation air-vacuum input unit I (202) and a laser collimation air-vacuum input unit II (301) in the laser additive and finishing module; the laser head pose conversion servo unit (107) and the laser head pose conversion anti-collision unit (108) are respectively arranged on the material increase/finishing laser head-galvanometer pose conversion module (109), and the material increase/finishing laser head-galvanometer pose conversion module (109) drives the laser head material increase module (2) and the laser head finishing module (3) to rotate; the machining indicator (110) is attached to the material adding/finishing laser head-galvanometer pose conversion module (109) through a mechanical arm and indicates the laser head material adding module (2) and the laser head finishing module (3) to carry out pose conversion at an inner flow channel material adding/finishing state switching judgment point and regulate and control the machining light path parameter state through the rotatable reflector (401), the light shielding plate I (404) and the light shielding plate II (406).
2. The device as claimed in claim 1, wherein the closed integrated complex inner flow channel integrated additive finishing device is connected with a six-axis mechanical arm through a QBH interface (101) to implement posture conversion; and when the processing stroke reaches the inner runner additive/finishing state switching judgment point, the integrated additive finishing device adjusts the three-dimensional space pose to be inner runner inner wall finishing.
3. The device of claim 1, wherein before and after the position and orientation conversion module (109) of the material adding/finishing laser head-galvanometer drives the laser head material adding module (2) and the laser head finishing module (3) to rotate, the closed integrated complex inner flow channel integrated material adding and finishing device ensures that no connection error occurs in the optical spot path when the material adding and finishing module starts and ends according to preset processing parameters and a pre-programmed NC path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111098269.4A CN113681149A (en) | 2021-09-18 | 2021-09-18 | Closed integral complex inner runner integrated material increase finishing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111098269.4A CN113681149A (en) | 2021-09-18 | 2021-09-18 | Closed integral complex inner runner integrated material increase finishing device |
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| CN113681149A true CN113681149A (en) | 2021-11-23 |
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| CN202111098269.4A Pending CN113681149A (en) | 2021-09-18 | 2021-09-18 | Closed integral complex inner runner integrated material increase finishing device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538728A (en) * | 2016-02-23 | 2016-05-04 | 中国科学院重庆绿色智能技术研究院 | Laser material increasing and decreasing combined manufacturing method and device |
| DE112016001311T5 (en) * | 2015-03-20 | 2017-12-21 | Dmg Mori Co., Ltd. | Method for processing workpieces |
| CN108311697A (en) * | 2018-01-22 | 2018-07-24 | 华南理工大学 | A kind of integrated double-type laser improves the apparatus and method of SLM surface of shaped parts quality |
| CN109926584A (en) * | 2019-03-06 | 2019-06-25 | 上海工程技术大学 | A kind of increasing material manufacturing and surface polishing synchronous processing method and device |
| CN110369725A (en) * | 2019-08-02 | 2019-10-25 | 上海工程技术大学 | Near-net-shape method and device based on laser increase and decrease material composite manufacturing delicate workpieces |
| CN110977172A (en) * | 2019-11-21 | 2020-04-10 | 南京航空航天大学 | Electric arc additive and laser-assisted thermoplastic forming composite manufacturing device and method |
| CH715701A2 (en) * | 2018-12-26 | 2020-06-30 | Univ Beihang | Laser additive manufacturing system comprising a laser metal coating system and a synchronized laser polishing system. |
| CN111974997A (en) * | 2020-07-03 | 2020-11-24 | 华南理工大学 | Material increase and decrease combined type manufacturing device and method based on in-situ multi-laser regulation |
-
2021
- 2021-09-18 CN CN202111098269.4A patent/CN113681149A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112016001311T5 (en) * | 2015-03-20 | 2017-12-21 | Dmg Mori Co., Ltd. | Method for processing workpieces |
| CN105538728A (en) * | 2016-02-23 | 2016-05-04 | 中国科学院重庆绿色智能技术研究院 | Laser material increasing and decreasing combined manufacturing method and device |
| CN108311697A (en) * | 2018-01-22 | 2018-07-24 | 华南理工大学 | A kind of integrated double-type laser improves the apparatus and method of SLM surface of shaped parts quality |
| CH715701A2 (en) * | 2018-12-26 | 2020-06-30 | Univ Beihang | Laser additive manufacturing system comprising a laser metal coating system and a synchronized laser polishing system. |
| CN109926584A (en) * | 2019-03-06 | 2019-06-25 | 上海工程技术大学 | A kind of increasing material manufacturing and surface polishing synchronous processing method and device |
| CN110369725A (en) * | 2019-08-02 | 2019-10-25 | 上海工程技术大学 | Near-net-shape method and device based on laser increase and decrease material composite manufacturing delicate workpieces |
| CN110977172A (en) * | 2019-11-21 | 2020-04-10 | 南京航空航天大学 | Electric arc additive and laser-assisted thermoplastic forming composite manufacturing device and method |
| CN111974997A (en) * | 2020-07-03 | 2020-11-24 | 华南理工大学 | Material increase and decrease combined type manufacturing device and method based on in-situ multi-laser regulation |
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Application publication date: 20211123 |