CN106001432A - Core assembly positioning detection system of 3D printing sand cores - Google Patents
Core assembly positioning detection system of 3D printing sand cores Download PDFInfo
- Publication number
- CN106001432A CN106001432A CN201610563380.9A CN201610563380A CN106001432A CN 106001432 A CN106001432 A CN 106001432A CN 201610563380 A CN201610563380 A CN 201610563380A CN 106001432 A CN106001432 A CN 106001432A
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- Prior art keywords
- core
- groove
- sub
- luminous
- detecting system
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Links
- 238000010146 3D printing Methods 0.000 title claims abstract description 5
- 238000001514 detection method Methods 0.000 title abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- 238000003032 molecular docking Methods 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000004020 luminiscence type Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000007639 printing Methods 0.000 claims description 4
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 3
- 239000001506 calcium phosphate Substances 0.000 claims description 3
- 235000011010 calcium phosphates Nutrition 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- -1 halogen calcium phosphate Chemical class 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 abstract 5
- 238000012372 quality testing Methods 0.000 abstract 1
- 238000005266 casting Methods 0.000 description 8
- 208000000884 Airway Obstruction Diseases 0.000 description 3
- 206010008589 Choking Diseases 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003925 fat Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 235000014593 oils and fats Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/108—Installation of cores
-
- 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
- B33Y80/00—Products made by additive manufacturing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to a core assembly positioning detection system of 3D printing sand cores. The system comprises a master core, a son core and a positioning detection device, wherein the son core is positioned in or at the upper part of the master core; the positioning detection device includes a light emitting groove, a butt joint groove and an observation hole, wherein the light emitting groove is a cross groove formed in the master core/son core; a light emitting agent is filled in the groove; the butt joint groove is a cross groove formed in the corresponding son core/master core, and is used for butt joint with the light emitting groove to realize overlapping; and the observation hole is a hole formed in the corresponding son core/master core and extending in the opening direction of the butt joint groove, and is used for observing the overlapping degree of the light emitting groove and the butt joint groove and positioning according to the overlapping degree. The system realizes precise positioning, improves the sand core exhaust capacity, and is convenient for secondary inspection by quality testing staff.
Description
Technical field
The invention belongs to 3D and print core Foundry Production field, be specifically related to a kind of 3D and print the core assembly position detecting system of core.
Background technology
Conventional cast is to use self-hardening sand to obtain core by mould molding, is assembled into complete casting mold after then core being carried out flow coat drying, and final pouring molten iron to casting mold obtains required foundry goods.During the core assembly of core; it is frequently encountered such situation: owing to casting structure limits; there is blind area in some cores during core assembly, it is impossible to sees this sand core positioning structure or do not have the external benchmark that can measure, therefore is difficult to confirm the accuracy of its lower core process.Once play core mistake partially not find again, can cause foundry goods that dimensional discrepancy occurs.
Along with popularization and the application of 3D printing technique, the method that currently used 3D printing core carries out Foundry Production is the most in the field of business the most popular.This 3D prints the method producing core, can substitute traditional mould coremaking process, and gained core has the comprcssive strength beyond manual core one times, simultaneously can the sand core structure of the direct various complexity of printing-forming.In 3D core replaces the production process of manual core, it is desirable that by utilizing 3D to print this advantage that can meet the printing of various labyrinth of core, find the detection method that a kind of core core assembly positions, to ensure that the wrong inclined problem of above-mentioned lower core can be found and correct in time.Therefore, how to design a kind of be capable of efficient quick, the core assembly detecting system that is accurately positioned becomes the problem that this area needs solution badly.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, design and develop a kind of 3D and print the core assembly position detecting system of core, core blind area or do not have the core of external location structure to be obtained in that observable lower core benchmark in the presence of making, thus realize being accurately positioned, it is therefore prevented that the casting dimension offset issue that core assembly mistake is brought partially.
For solving the problems referred to above, the technical solution used in the present invention is:
A kind of 3D prints the core assembly position detecting system of core, it is characterised in that including: body core, sub-core, locating and detecting device, and wherein, described sub-core is positioned at described body core inside or top；Described locating and detecting device includes luminous groove, docking groove, peephole, and wherein, described luminous groove is the cruciform groove being arranged on body core/sub-core, and fills out in described groove and put luminous agent；Described docking groove is the cruciform groove being arranged on the sub-core/body core of correspondence, for carrying out docking to realize overlapping with described luminous groove；Described peephole is the hole being arranged on the sub-core/body core of described correspondence and extending along described docking groove opening direction, for observing the registration of described luminous groove and described docking groove, and positions according to described registration.
Further, described sub-core includes the first sub-core and the second sub-core.
Further, described luminous agent is particle diameter at the mixture of the halogen calcium phosphate fluoressent powder of 5-10um or the fluorescent material with ZnS, SrS, CaS, ZnS as substrate with thin oil fat.
Further, the length anyhow of described luminous groove " cross " is identical, and 1/20 that its size is core height.
Further, groove depth 15mm of described luminous groove, groove width 1mm.
Further, described docking groove and described luminous groove size, shape are identical.
Further, the center of circle of described peephole overlaps with the cross searching of described docking groove.
Further, when the diameter design of described peephole is 20mm or described docking groove ten word length more than 20mm, the diameter design of described peephole is equal with described docking groove ten word length.
Further, the luminous agent mixed uses injection device to inject luminous groove.
Further, a kind of method that core assembly position detecting system utilizing 3D as described above to print core carries out detecting, it is characterised in that said method comprising the steps of:
A. confirm that all design cores easily occur lower core deviation and the part of observation difficulty, the luminous groove of design on body core/sub-core, designs docking groove and peephole on corresponding sub-core/body core, then carries out core printing；
B. core is before carrying out core assembly, uses injection device to be uniformly injected into by luminous agent in all luminous grooves, and luminous agent can not overflow luminous groove；
C. use source alignment luminescence groove to irradiate, be ready for enter body core under sub-core；
D. during entering body core under sub-core, adjust the skyborne position of sub-core by peephole, reduce lower core process variations；
E., under completing sub-core after core process, confirming whether docking groove overlaps with luminous groove by peephole is that luminous cross is the most complete, if not being completely superposed, adjusts sub-core position to overlapping positions.
The beneficial effects of the present invention is:
(1) special core is solved because there is blind area or not having the external benchmark that can measure, and the wrong problem partially of the lower core occurred during lower core, and within lower core precision is brought up to 1mm.
(2) improve the exhalation capabilities of core by peephole structure, it is simple to gas purging in casting process, reduce feel suffocated, gas risk of choking.
(3) fluorescent agent has long term guarantee quality, can be convenient for quadratic search, especially in batch production process, very convenient in quality inspection personnel carry out lower core accuracy selective examination.
Accompanying drawing explanation
Fig. 1 is the core assembly position detecting system structural representation that 3D of the present invention prints core.
Fig. 2 is the core assembly position detecting system close-up schematic view that 3D of the present invention prints core.
Fig. 3 is core assembly position detecting system the second structural representation that 3D of the present invention prints core.
Wherein, 1, foundry goods 2, body core 3, first sub-core the 4, second sub-core 5, locating and detecting device 6, luminous groove 7, docking groove 8, peephole.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, below in conjunction with specific embodiment, the present invention is described in further detail.
According to an aspect of the present invention, the invention provides a kind of 3D and print the core assembly position detecting system of core, Fig. 1 is the core assembly position detecting system structural representation that 3D of the present invention prints core, as shown in Figure 1, including body core 2, sub-core, locating and detecting device 5, wherein, described sub-core is positioned at described body core 2 inside or top, constitutes foundry goods 1；Described locating and detecting device 5 is arranged on adjacent body core 2 and sub-core, it is achieved being accurately positioned during lower core.Thus, the position detecting system of the present invention solves special core because there is blind area or not having the external benchmark that can measure, and the wrong problem partially of the lower core occurred during lower core.
According to a particular embodiment of the invention, Fig. 2 is the core assembly position detecting system close-up schematic view that 3D of the present invention prints core, as shown in Figure 2, described locating and detecting device 5 includes luminous groove 6, docking groove 7, peephole 8, wherein, described luminous groove 6 is the cruciform groove being arranged on body core 2, and fills out in described groove and put luminous agent；Described docking groove 7 is the cruciform groove being arranged on the sub-core of correspondence, for carrying out docking to realize overlapping with described luminous groove 6, described docking groove 7 and described luminous groove 6 size, shape are identical, after entering body core 2 under group core is correct, docking groove 7 and luminous groove 6 can realize being completely superposed on lower core direction；Described peephole 8 is the hole being arranged on the sub-core of described correspondence and extending along described docking groove 7 opening direction, for observing the registration of described luminous groove 6 and described docking groove 7, and position according to described registration, thus reach the observable effect of lower core.Thus, the luminous cross being observed luminous groove 6 and docking groove 7 by peephole 8 is the most complete, confirm whether docking groove 7 overlaps with luminous groove 6, if not being completely superposed, adjust sub-core position to overlapping positions, core blind area or do not have the core of external location structure to be obtained in that observable lower core benchmark in the presence of making, thus realize being accurately positioned, it is therefore prevented that the casting dimension offset issue that core assembly mistake is brought partially.
According to a particular embodiment of the invention, the quantity of neutron core of the present invention is not particularly limited, and those skilled in the art can select according to the flexible structure of foundry goods.In an embodiment of the present invention, including two sub-cores, the respectively first sub-core 3 and the second sub-core 4.
According to a particular embodiment of the invention, in the present invention, the composition of luminous agent is not particularly limited, as long as certain light can be sent, preferably, can be particle diameter at the mixture of the halogen calcium phosphate fluoressent powder of 5-10um or the fluorescent material with ZnS, SrS, CaS, ZnS as substrate with thin oil fat, mixed proportion be uniform mixing 5g fluorescent material in every 50ml oils and fats.Thus, the surface tension of oils and fats can make luminous agent rest in luminous groove, thus reaches higher luminosity effect.
According to a particular embodiment of the invention, in the present invention, the concrete size of luminous groove 6 is not particularly limited, and those skilled in the art can select the most flexibly.In some embodiments of the invention, the length anyhow of luminous groove 6 " cross " is identical, and its size is the 1/20 of core height, and groove depth 15mm of luminous groove 6, groove width 1mm, thus within the degree of accuracy of lower core has been brought up to 1mm.
According to a particular embodiment of the invention, in the present invention, position and the size of peephole 8 are not particularly limited, as long as docking groove 7 and the registration of luminous groove 6 can be observed.In some embodiments of the invention, the center of circle of peephole 8 overlaps with the cross searching of described docking groove 7, and diameter design is 20mm, if docking groove 70 word length is more than 20mm, the diameter design of peephole 8 is equal with described docking groove 70 word length.Thus, both ensure that and can observe docking groove 7 and the registration of luminous groove 6 clearly by peephole 8, improve again the exhalation capabilities of core, it is simple to gas purging in casting process, reduce feel suffocated, gas risk of choking.
According to a particular embodiment of the invention, in the present invention, injection device is not particularly limited, as long as the luminous agent mixed can be injected luminous groove 6, it is preferred that medical GB20G syringe can be used to inject luminous groove 6, syringe needle internal diameter 0.6mm, external diameter 0.9mm.Thus, be conducive to the uniformity injected, and be difficult to when injecting make luminous agent overflow luminous groove 6.
According to a particular embodiment of the invention, utilize 3D as described above to print the core assembly position detecting system of core when detecting, can use following methods:
First, confirm that all design cores easily occur lower core deviation and the part of observation difficulty, the luminous groove 6 of design on the sub-core of body core 2/, designs docking groove 7 and peephole 8 on corresponding sub-core/body core 2, carries out core printing.
Then, core, before carrying out core assembly, uses injection device to be uniformly injected into by luminous agent in all luminous grooves 6, and luminous agent can not overflow luminous groove 6.
Then, use source alignment luminescence groove 6 to irradiate, prepare to enter body core 2 under sub-core.
Subsequently, during entering body core 2 under sub-core, adjust the skyborne position of sub-core by peephole 8, reduce lower core process variations.
Finally, under completing sub-core after core process, confirming whether docking groove 7 overlaps with luminous groove 6 by peephole 8 is that luminous cross is the most complete, if not being completely superposed, adjusts sub-core position to overlapping positions.
In addition, in the present invention, the position of luminous groove 6 and docking groove 7 is not limited on adjacent body core/sub-core and corresponding sub-core/body core, can also be arranged on two adjacent body cores or sub-core, as it is shown on figure 3, described luminous groove 6 and docking groove 7 are separately positioned on adjacent body core 2 and second sub-core the 4, second sub-core 4 and body core the 2, second sub-core 4 and the first sub-core 3.Thus, those skilled in the art can set the most flexibly.In the core assembly detection and localization of daily core, if foundry goods is made up of multiple body cores and sub-core, as long as ensureing that luminous groove and docking groove are arranged on two adjacent cores.
3D the most of the present invention prints the core assembly position detecting system of core and solves special core because there is blind area or not having the external benchmark that can measure, and the wrong problem partially of the lower core occurred during lower core, and within lower core precision is brought up to 1mm.Improve the exhalation capabilities of core by peephole structure, it is simple to gas purging in casting process, reduce feel suffocated, gas risk of choking.Fluorescent agent has long term guarantee quality, can be convenient for quadratic search, especially in batch production process, very convenient in quality inspection personnel carry out lower core accuracy selective examination.
The core assembly position detecting system that a kind of 3D provided by the present invention prints core above is described in detail, principle and the embodiment of the application are set forth by embodiment used herein, and the explanation of above example is only intended to help and understands the present processes and core concept thereof；Simultaneously for one of ordinary skill in the art, according to the thought of the application, the most all will change, in sum, this specification content should not be construed as the restriction to the application.
Claims (10)
1. the core assembly position detecting system of a 3D printing core, it is characterised in that including: body core, sub-core, locating and detecting device, wherein, described sub-core is positioned at described body core inside or top；
Described locating and detecting device includes luminous groove, docking groove, peephole, and wherein, described luminous groove is the cruciform groove being arranged on body core/sub-core, and fills out in described groove and put luminous agent；Described docking groove is the cruciform groove being arranged on the sub-core/body core of correspondence, for carrying out docking to realize overlapping with described luminous groove；Described peephole is the hole being arranged on the sub-core/body core of described correspondence and extending along described docking groove opening direction, for observing the registration of described luminous groove and described docking groove, and positions according to described registration.
3D the most according to claim 1 prints the core assembly position detecting system of core, it is characterised in that described sub-core includes the first sub-core and the second sub-core.
3D the most according to claim 1 prints the core assembly position detecting system of core, it is characterised in that described luminous agent is particle diameter at the mixture of the halogen calcium phosphate fluoressent powder of 5-10um or the fluorescent material with ZnS, SrS, CaS, ZnS as substrate with thin oil fat.
3D the most according to claim 1 prints the core assembly position detecting system of core, it is characterised in that the length anyhow of described luminous groove " cross " is identical, and 1/20 that its size is core height.
3D the most according to claim 1 prints the core assembly position detecting system of core, it is characterised in that groove depth 15mm of described luminous groove, groove width 1mm.
3D the most according to claim 1 prints the core assembly position detecting system of core, it is characterised in that described docking groove is identical with described luminescence groove size, shape.
3D the most according to claim 1 prints the core assembly position detecting system of core, it is characterised in that the center of circle of described peephole overlaps with the cross searching of described docking groove.
3D the most according to claim 1 prints the core assembly position detecting system of core, it is characterized in that, when the diameter design of described peephole is 20mm or described docking groove ten word length more than 20mm, the diameter design of described peephole is equal with described docking groove ten word length.
3D the most according to claim 3 prints the core assembly position detecting system of core, it is characterised in that the luminous agent mixed uses injection device to inject luminous groove.
10. the method that the core assembly position detecting system utilizing 3D as claimed in any one of claims 1-9 wherein to print core carries out detecting, it is characterised in that said method comprising the steps of:
A. confirm that all design cores easily occur lower core deviation and the part of observation difficulty, the luminous groove of design on body core/sub-core, designs docking groove and peephole on corresponding sub-core/body core, then carries out core printing；
B. core is before carrying out core assembly, uses injection device to be uniformly injected into by luminous agent in all luminous grooves, and luminous agent can not overflow luminous groove；
C. use source alignment luminescence groove to irradiate, be ready for enter body core under sub-core；
D. during entering body core under sub-core, adjust the skyborne position of sub-core by peephole, reduce lower core process variations；
E., under completing sub-core after core process, confirming whether docking groove overlaps with luminous groove by peephole is that luminous cross is the most complete, if not being completely superposed, adjusts sub-core position to overlapping positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563380.9A CN106001432B (en) | 2016-07-18 | 2016-07-18 | A kind of group core position detecting system of 3D printing core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563380.9A CN106001432B (en) | 2016-07-18 | 2016-07-18 | A kind of group core position detecting system of 3D printing core |
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| Publication Number | Publication Date |
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| CN106001432A true CN106001432A (en) | 2016-10-12 |
| CN106001432B CN106001432B (en) | 2018-01-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109304425A (en) * | 2018-11-27 | 2019-02-05 | 胡敏 | A kind of manufacturing method of mining machinery axle casting |
| CN114273613A (en) * | 2022-01-04 | 2022-04-05 | 共享装备股份有限公司 | Flexible positioning device for core setting of large sand core and sand core applying same |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106001432B (en) | 2018-01-12 |
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Address after: 750021 the Ningxia Hui Autonomous Region Yinchuan economic and Technological Development Zone ningshuo South Street No. 298 Patentee after: Shared Intelligent Equipment Co., Ltd. Address before: 750021 Yinchuan, the Ningxia Hui Autonomous Region Xixia District ningshuo South Street No. 298 Patentee before: Ningxia Kocel Pattern Co., Ltd. |