CN107983959A - A kind of vision system environmental control system - Google Patents
A kind of vision system environmental control system Download PDFInfo
- Publication number
- CN107983959A CN107983959A CN201711468128.0A CN201711468128A CN107983959A CN 107983959 A CN107983959 A CN 107983959A CN 201711468128 A CN201711468128 A CN 201711468128A CN 107983959 A CN107983959 A CN 107983959A
- Authority
- CN
- China
- Prior art keywords
- supply part
- briquetting
- industrial camera
- headlamp
- glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/70—Gas flow means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/90—Means for process control, e.g. cameras or sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/32—Process control of the atmosphere, e.g. composition or pressure in a building chamber
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The present invention provides a kind of vision system environmental control system, including the installed part for supplying part and being connected to below supply part, and wherein industrial camera and headlamp is arranged on above supply part；Supply and the downward flow-guiding channel entered for inert gas is provided with the side of part, downward visual channel and illumination passage are further respectively had at industrial camera and headlamp underface in supply part, is connected respectively with visual channel and illumination passage after flow-guiding channel bending；Visual channel and illumination passage are extended in installed part out of supply part, and penetrate through the lower surface of installed part.The configuration of the present invention is simple, design is reasonable, input cost is relatively low, and installation is laid and using easy to operate, using effect is good, effectively vision system is contaminated in solution electron beam selective melting forming process, alloying element is volatilized, blown the problems such as powder, and monitoring that can be steady in a long-term is molded indoor working status.
Description
Technical field
The present invention relates to electron beam selective melting technical field, and in particular to a kind of vision system environmental control system.
Background technology
Electron beam selective melting technology (electron beam selective melting, English abbreviation EBSM) is one
Kind optionally bombards metal dust using the electron beam of high energy and high speed, so that the increasing material manufacturing that dusty material is melted and molded
Technology, is a kind of quick manufacturing process emerging at present.The technology specific implementation process is as follows：It is molded in electron beam selective melting
Shaping chamber (be specially vacuum chamber) in, first pass through power spreading device and equably successively tile on forming area metal dust,
And high-power electron beam or laser are controlled by computer, metal dust is melted according to the cross section parameters of wanted forming part, is reached
To the purpose successively manufactured, to realize the quick manufacture of 3 d part.
In traditional electron beam selective melting technology, therefore, to assure that shaping chamber is vacuum environment, to ensure electron beam just
Often work.Meanwhile in order to effectively monitor forming process, generally can mounting industrial camera and headlamp as vision system,
Vacuum environment gets off to carry out top layer the collection of visual pattern.It is internal after being melted due to metal dust under the bombardment of electron beam
Contained chemical constituent is easier to volatilize under vacuum conditions, and prolonged hot procedure causes metal volatile matter continuous
Surrounding environment is deposited in ground, so that easily there is the situation that industrial camera is coated with a tunic, and after industrial camera is contaminated
Visual pattern can not be acquired again.In addition, fusing after metal dust inside contained by chemical constituent volatilization after, also can shadow
The chemical constituent of institute's forming part is rung, its performance difference is occurred.
The content of the invention
The present invention provides a kind of vision system environmental control system, with solve in the prior art vision system by metal volatile matter
The problem of can not being acquired again to visual pattern after evaporation pollution.
The present invention provides a kind of vision system environmental control system, also solves easy during fusion of metal powder shaping in the prior art
The problem of generation blows powder phenomenon and makes forming process unstable.
The embodiment of the present invention provides a kind of vision system environmental control system, for preventing industrial camera and being the industry
The headlamp that camera provides illumination is contaminated, including supplies part and the installed part being connected to below the supply part, wherein described
Industrial camera and the headlamp are arranged on above the supply part；
The downward flow-guiding channel entered for inert gas is provided with the side of the supply part, it is described to supply position in part
Downward visual channel and illumination passage, the water conservancy diversion are further respectively had at the industrial camera and headlamp underface
Connected respectively with the visual channel and the illumination passage after passage bending；
The visual channel and the illumination passage are extended in the installed part out of described supply part, and described in perforation
The lower surface of installed part.
As the preferred embodiment of the present invention, briquetting and the glass being arranged on below the briquetting are further included, wherein the pressure
Block is arranged on below the industrial camera and the headlamp, and the glass is arranged on above the supply part.
As the preferred embodiment of the present invention, the briquetting is equipped with two through holes so that the industrial camera and described
The lower part of headlamp is respectively protruding into the briquetting and is in contact with the glass.
As the preferred embodiment of the present invention, annular seal ring is additionally provided between the glass and the supply part.
As the preferred embodiment of the present invention, the supply part is concave structure, the shape and size of the briquetting with it is described
The concave groove of supply part is adapted so that the briquetting compresses the glass.
As the preferred embodiment of the present invention, air inlet is provided with the top of the flow-guiding channel.
As the preferred embodiment of the present invention, the installed part is cylindrical structure, wherein the lower surface of the installed part is oblique
Face.
As the preferred embodiment of the present invention, the angle of the lower surface and horizontal plane is 15~20 °.
As the preferred embodiment of the present invention, the lower surface of the installed part is additionally provided with endless groove.
A kind of vision system environmental control system provided by the invention, by regarding including industrial camera and headlamp
Supply part and installed part are set in feel system, inert gas is introduced from flow-guiding channel, and is filled through visual channel and illumination passage
Enter in forming cavity room, the flow direction of inert gas is downward in whole process, and metal volatile matter can be prevented to float, avoid metal
Volatile matter is vaporized on vision system and influences the collection of visual pattern；The inert gas being filled with the same time also meets forming process
In requirement to atmosphere, improve the indoor air pressure of forming cavity, can effectively suppress the volatilization of metal dust gasification substance,
The chemical constituent of metal dust and forming part is not influenced.
In addition, the inert gas being filled with can also ionize under the action of electron beam produces cation, and cation can be removed
The excess electron of metal powder surface, prevents the electronics in metal dust from assembling, effectively eliminate between metal powder granulates because
A large amount of electronics are there are caused mutual exclusion, and when shaping, which is not allowed to be also easy to produce, blows powder phenomenon, and forming process is stablized.
Brief description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of external structure schematic diagram of vision system environmental control system provided in an embodiment of the present invention；
Fig. 2 is a kind of internal structure schematic diagram of vision system environmental control system provided in an embodiment of the present invention.
Wherein, 1, industrial camera, 2, headlamp, 3, supply part, 4, installed part, 5, flow-guiding channel, 6, visual channel, 7, shine
Bright passage, 8, briquetting, 9, glass, 10, sealing ring, 11, air inlet, 12, endless groove.
Embodiment
In order to make those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Attached drawing, is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without making creative work, should all belong to the model that the present invention protects
Enclose.
It is to be appreciated that " on ", " under ", "left", "right", " front " mentioned in the implementation below of the present invention
" reverse side " etc. on the basis of the direction shown in each figure, these words for being used for limiting direction are intended merely to facilitate explanation,
The limitation to concrete technical scheme of the present invention is not represented.
It is shown referring to Figures 1 and 2, the embodiment of the invention discloses a kind of vision system environmental control system, for preventing work
Industry camera 1 and provided for industrial camera 1 illumination headlamp 2 it is contaminated, including supply part 3 and be connected to 3 lower section of supply part
Installed part 4, wherein industrial camera 1 and headlamp 2 be arranged on supply part 3 top；
Supply and the downward flow-guiding channel 5 entered for inert gas is provided with the side of part 3, be located at work in supply part 3
Downward visual channel 6 and illumination passage 7 are further respectively had at 2 underface of industry camera 1 and headlamp, after flow-guiding channel 5 is bent
Connected respectively with visual channel 6 and illumination passage 7；
Visual channel 6 and illumination passage 7 are extended in installed part 4 out of supply part 3, and penetrate through the lower surface of installed part 4.
The vision system for monitoring forming process is provided with the present embodiment, in molding room, vision system includes industry
Camera and headlamp, wherein industrial camera are used to gather visual pattern, and headlamp is used to provide illumination for industrial camera.
Supply part and installed part are set on industrial camera and headlamp, the flow-guiding channel of inert gas from supply part is drawn
Enter, and enter installed part lower part through visual channel and illumination passage.Whole environmental control system is installed on molding room by installed part
On interior corresponding installing component, so that inert gas is finally filled with forming cavity from installed part lower part through being molded indoor installing component
It is indoor.
Total is sealing structure, and the critical component of industrial camera and headlamp is arranged in the sealing structure, is made
Industrial camera is observed inside molding room by visual channel, and headlamp is provided needed for observation by illumination passage for industrial camera
The structure of illumination, visual channel and illumination passage can reduce the probability being deposited by metal volatile matter, while industrial camera and photograph
Bright lamp is isolated with vacuum environment, it can also be ensured that the two equipment are used in home.
In addition, molding room is connected to air intake apparatus and air-extractor, wherein air intake apparatus is used to provide inert gas,
And air-extractor is used to constantly extract the indoor gas of shaping to keep being molded indoor vacuum.Usually, it is molded indoor
Air pressure will ensure below 0.15 pa.
The flow direction of inert gas is downward in whole process, and metal volatile matter can be prevented to float, and inert gas
Itself have the function that to suppress alloying element volatilization, it is possible to prevente effectively from metal volatile matter is vaporized on vision system and influences to regard
Feel the collection of image.
The inert gas being filled with also as a kind of fusing atmosphere gas, meets in forming process and atmosphere is wanted
Ask, improve the indoor air pressure of forming cavity, so as to effectively suppress the volatilization of metal dust gasification substance, do not influence metal powder
End and the chemical constituent of forming part, it is ensured that the performance of forming part occurs without deviation, also further avoids metal volatile matter
It is vaporized on vision system.
In addition, when not being filled with inert gas as fusing atmosphere gas, metal powder surface makes there are electronics aggregation
It is mutually exclusive between metal powder granulates, when shaping, which is also easy to produce, blows powder phenomenon, and forming process is unstable.And it is filled with inert gas
After fusing atmosphere gas, inert gas can ionize under the action of electron beam produces cation, and the cation of generation is inhaled
It is attached on metal dust so that the electronics in metal dust is neutralized with it, so that cation removes the more of metal powder surface
Remaining electronics, can prevent the electronics in metal dust from assembling, and effectively eliminate and draw because a large amount of electronics exist between metal powder granulates
The mutual exclusion risen, when shaping, which is not allowed to be also easy to produce, blows powder phenomenon, and forming process is stablized.
On the basis of above-described embodiment, further include briquetting 8 and be arranged on the glass 9 of the lower section of briquetting 8, wherein briquetting 8 is set
Put below industrial camera 1 and headlamp 2, glass 8 is arranged on 3 top of supply part.
In the present embodiment, glass is set in the front end of industrial camera and headlamp, protection industrial camera and photograph can be played
The effect of bright lamp, industrial camera can be observed inside molding room by visual channel.
Briquetting is fixed on glass, for pressed glass, glass is close on supply part, is led to so as to fulfill vision
The leakproofness in road and illumination passage.
On the basis of above-described embodiment, briquetting 8 is equipped with two through holes so that the lower part of industrial camera 1 and headlamp 2
It is respectively protruding into briquetting 8 and is in contact with glass 9.
In the present embodiment, the lower part of industrial camera and headlamp is stretched into two through holes set on briquetting and makes its front end
With glass contact, it is ensured that the critical component of industrial camera and headlamp is arranged on in sealing structure supply part, is reduced golden
Belong to the probability of volatile matter evaporation.
On the basis of above-described embodiment, annular seal ring 10 is additionally provided between glass 9 and supply part 3.
In the present embodiment, sealing ring is set between glass and supply part, may further ensure that visual channel and illumination
The leakproofness of passage.
On the basis of above-described embodiment, supply part 3 is concave structure, and the shape and size of briquetting 8 are with supplying the recessed of part 3
Type groove is adapted so that 8 pressed glass 9 of briquetting.
In the present embodiment, supply part is arranged to concave structure, while by the shape and size and supply of the briquetting of setting
The concave groove of part is adapted, and the two side walls of briquetting are subject to the restraining force for supplying the two side walls of part, so that briquetting can press
The tight glass set below, may further ensure that visual channel and illuminates the leakproofness of passage.
Certainly, those skilled in the art can be arranged on the basis of concave structure according to actual conditions by part is supplied
Other suitable shapes, and corresponding make the shape of briquetting with size changes.
On the basis of above-described embodiment, the top of flow-guiding channel 5 is provided with air inlet 11.
In the present embodiment, air inlet is set at the top of flow-guiding channel, inert gas is led to by the air inlet into water conservancy diversion
In road, effectively prevent inert gas from overflowing.
On the basis of above-described embodiment, installed part 4 is cylindrical structure, and wherein the lower surface of installed part 4 is inclined-plane.
In the present embodiment, installed part is arranged to cylindrical structure, is easy to implement installing component corresponding with molding room
Installation.Certainly, installed part can be arranged to other by those skilled in the art on the basis of cylindrical structure according to actual conditions
Suitable shape.
Meanwhile to allow industrial camera that there is the wider observation visual field, the lower surface of installed part is arranged to inclined-plane, when
When whole anti-fouler is installed in molding room on corresponding installing component by installed part, visual channel and illumination passage are to incline
Oblique, there are angle with vertical direction.
On the basis of above-described embodiment, the angle of lower surface and horizontal plane is 15~20 °.
In the present embodiment, when the angle of lower surface and horizontal plane is arranged to 15~20 °, i.e., visual channel and illumination passage
With vertical direction there are during 15~20 ° of angle, the observation visual field of industrial camera is preferable.
On the basis of above-described embodiment, the lower surface of installed part 4 is additionally provided with endless groove 12.
In the present embodiment, since installed part needs installing component corresponding with molding room to be installed, under it
Surface, which is equipped with, to be used to install the endless groove of sealing ring, may insure after installation installed part installing component corresponding with molding room it
Between leakproofness.
Vision system environmental control system provided in an embodiment of the present invention is simple in structure, and design is reasonable, and input cost is relatively low, and
Installation lays and using easy to operate, and using effect is good, effectively solves vision system quilt in electron beam selective melting forming process
Pollution, alloying element volatilization, blow the problems such as powder, and monitoring that can be steady in a long-term is molded indoor working status.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in some embodiment
The part of detailed description, may refer to the associated description of other embodiment.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.
Claims (9)
- A kind of 1. vision system environmental control system, for preventing industrial camera and the illumination of illumination being provided for the industrial camera Lamp is contaminated, it is characterised in that including supply part and the installed part being connected to below the supply part, wherein the industrial camera It is arranged on the headlamp above the supply part；The downward flow-guiding channel entered for inert gas is provided with the side of the supply part, is located at institute in the supply part State at immediately below industrial camera and the headlamp and further respectively have downward visual channel and illumination passage, the flow-guiding channel Connected respectively with the visual channel and the illumination passage after bending；The visual channel and the illumination passage are extended in the installed part out of described supply part, and penetrate through the installation The lower surface of part.
- 2. device according to claim 1, it is characterised in that further include briquetting and the glass being arranged on below the briquetting Glass, wherein the briquetting is arranged on below the industrial camera and the headlamp, the glass is arranged on the supply part Side.
- 3. the apparatus of claim 2, it is characterised in that the briquetting is equipped with two through holes so that the industry The lower part of camera and the headlamp is respectively protruding into the briquetting and is in contact with the glass.
- 4. the apparatus of claim 2, it is characterised in that be additionally provided with ring-type between the glass and the supply part Sealing ring.
- 5. the device according to any one of claim 2~4, it is characterised in that the supply part is concave structure, described The shape and size of briquetting are adapted with the concave groove of the supply part so that the briquetting compresses the glass.
- 6. device according to claim 1, it is characterised in that be provided with air inlet at the top of the flow-guiding channel.
- 7. device according to claim 1, it is characterised in that the installed part is cylindrical structure, wherein the installed part Lower surface be inclined-plane.
- 8. device according to claim 7, it is characterised in that the angle of the lower surface and horizontal plane is 15~20 °.
- 9. device according to claim 7, it is characterised in that the lower surface of the installed part is additionally provided with endless groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711468128.0A CN107983959A (en) | 2017-12-29 | 2017-12-29 | A kind of vision system environmental control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711468128.0A CN107983959A (en) | 2017-12-29 | 2017-12-29 | A kind of vision system environmental control system |
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| Publication Number | Publication Date |
|---|---|
| CN107983959A true CN107983959A (en) | 2018-05-04 |
Family
ID=62043331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711468128.0A Pending CN107983959A (en) | 2017-12-29 | 2017-12-29 | A kind of vision system environmental control system |
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| CN (1) | CN107983959A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496255A (en) * | 2020-06-16 | 2020-08-07 | 中国航空制造技术研究院 | Laser selective melting image data acquisition device |
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| US4599506A (en) * | 1984-12-05 | 1986-07-08 | Westinghouse Electric Corp. | Visual observation of welding operation |
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| CN111496255A (en) * | 2020-06-16 | 2020-08-07 | 中国航空制造技术研究院 | Laser selective melting image data acquisition device |
| CN111496255B (en) * | 2020-06-16 | 2022-06-10 | 中国航空制造技术研究院 | Laser selective melting image data acquisition device |
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