CN204735713U - Selectivity laser sintering molten bath temperature -detecting device based on ccd - Google Patents
Selectivity laser sintering molten bath temperature -detecting device based on ccd Download PDFInfo
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- CN204735713U CN204735713U CN201520538803.2U CN201520538803U CN204735713U CN 204735713 U CN204735713 U CN 204735713U CN 201520538803 U CN201520538803 U CN 201520538803U CN 204735713 U CN204735713 U CN 204735713U
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- hole
- elastic washer
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- fixed
- ccd
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- 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
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Abstract
The utility model discloses a selectivity laser sintering molten bath temperature -detecting device based on ccd, including the CCD camera, the camera lens department spiro union of CCD camera has a protection section of thick bamboo, be equipped with neutral decay piece and screening glass in the protection section of thick bamboo, the overhead powder feeding device that is equipped with of laser work, the overhead connecting block that is fixed with of laser work, the CCD camera is fixed on the regulating block, the back of regulating block is fixed with the regulation pole, the terminal surface of adjusting the pole has axially extended spiro union pole portion backward, the equipartition has a plurality of protruding strips on the outer wall of regulation pole, sliding block is last to have adjust through hole, the equipartition has the recess on adjust through hole's the inside wall, the recess is corresponding with protruding strip, adjust the pole plug bush in adjust through hole, protruding strip plug bush is in the recess, the spiro union has fixation nut in the spiro union pole portion, the sliding block centre gripping is between regulating block and fixation nut. It can realize the lateral shifting of CCD camera, can rotate to carry out the accuracy and adjust to guarantee the camera lens alignment of CCD camera and treat detection position.
Description
Technical field:
The utility model relates to 3D printing technique field, relates to a kind of selective laser sintering bath temperature checkout gear based on ccd in particular.
Background technology:
3D printing technique stock utilization reaches as high as 90%, and does not have the attrition of cutter, is one of main development technology of following green manufacturing.Selective laser melting is the application method more widely in 3D printing technique.
Along with physicochemical change such as strong heat transfer, radiation, solidification, convection current, phase transformations in selective laser melting process.Having energy, momentum and mass transport, is very complicated non-equilibrium instantaneous metallic crystal process.The intensity in laser molten pool temperature field and Temperature Distribution are the canonical representation parameters of molten bath self-energy, momentum and mass transport, directly affect material property and the surface quality that laser fusion makes part.
Existing detection mode has a lot, there is contact and contactless, the temperature detection great majority of contact wait for the correct thermometric of thermal balance ability, to be not suitable in laser remanufacturing, and the heat radiation images of contactless middle employing CCD captured in real-time object in conjunction with digital image processing techniques, the temperature block of body surface can be obtained respectively, it is simple and easy to shape, can be suitable for completely in laser remanufacturing, but, in existing CCD thermometric, transverse shifting can only be carried out in the position of its CCD camera, and the fine adjustment of angle cannot be carried out, greatly have impact on the effect of its thermometric, simultaneously, CCD camera in use, the impurity that its eyeglass is a large amount of in usually processing or high-temperature metal powder splash and damage, reduce service life.
Utility model content:
The purpose of this utility model overcomes the deficiencies in the prior art; a kind of selective laser sintering bath temperature checkout gear based on ccd is provided; it not only can realize the transverse shifting of CCD camera; it can carry out rotation and carry out fine adjustment simultaneously, thus ensures the alignment lens position to be detected of CCD camera, improves temperature measurement accuracy; simultaneously; it is provided with protection cylinder on the camera lens of CCD camera, and impurity can be prevented the destruction of camera lens, improves service life.
The scheme that the utility model solve the technical problem is:
A kind of selective laser sintering bath temperature checkout gear based on ccd, comprise CCD camera, the camera lens place of described CCD camera is bolted with protection cylinder, neutral filter and screening glass is provided with in protection cylinder, laser work head is fixed with contiguous block, CCD camera is fixed on regulating block, the back side of regulating block is fixed with adjusting rod, the end face of adjusting rod has axially extended spiral shell reach bar portion backward, the outer wall of adjusting rod is evenly equipped with multiple raised item, slipping block has adjustment through hole, uniform on the madial wall of adjustment through hole have groove, groove is corresponding with raised item, adjusting rod sleeve is in adjustment through hole, raised item sleeve in a groove, spiral shell reach bar portion is bolted with hold-down nut, slipping block is clamped between regulating block and hold-down nut, the bottom of slipping block is fixed with dove-tail slide portion, in the swallowtail-shaped slide that dove-tail slide portion sleeve has on contiguous block, slipping block is hinged with adjusting screw(rod), adjusting screw(rod) is screwed onto on back-up block, back-up block is fixed on contiguous block.
Described protection cylinder comprises cylindrical shell, the upper end of cylindrical shell is fixed with the cover that is spirally connected, the cover that is spirally connected is screwed onto on the outer wall of camera lens, there is in cylindrical shell stairstepping through hole, the upper end of stairstepping through hole is minor diameter through hole section, the lower end of stairstepping through hole is diameter through hole section, first elastic washer, neutral filter, second elastic washer, middle spacer sleeve, 3rd elastic washer, screening glass and the 4th elastic washer from top to bottom successively sleeve in the diameter through hole section of stairstepping through hole, the lower end of cylindrical shell is bolted with gland, the middle part of gland has through hole, gland is pressed against on the 4th elastic washer, screening glass is clamped between the 3rd elastic washer and the 4th elastic washer, middle spacer sleeve is clamped between the 3rd elastic washer and the second elastic washer, neutral filter is clamped between the first elastic washer and the second elastic washer, first elastic washer is pressed against on the top end face of diameter through hole section.
Described screening glass is quartz glass plate.
Described laser work head is fixed with support bar, and the end winding support of support bar is on contiguous block.
Outstanding effect of the present utility model is:
Compared with prior art; it not only can realize the transverse shifting of CCD camera; it can carry out rotation and carry out fine adjustment simultaneously; thus ensure the alignment lens position to be detected of CCD camera; improve temperature measurement accuracy, meanwhile, it is provided with protection cylinder on the camera lens of CCD camera; impurity can be prevented the destruction of camera lens, improve service life.
Accompanying drawing illustrates:
Fig. 1 is the structural representation that the utility model is arranged on whole detection system;
Fig. 2 is partial structurtes schematic diagram of the present utility model;
Fig. 3 is the structural representation between the protection cylinder of ccd camera;
Fig. 4 is the partial structurtes schematic diagram between ccd camera and slipping block;
Fig. 5 is the partial structurtes schematic diagram between contiguous block and slipping block.
Detailed description of the invention:
Embodiment, see as shown in Fig. 1 to 5, a kind of selective laser sintering bath temperature checkout gear based on ccd, comprise CCD camera 10, camera lens 11 place of described CCD camera 10 is bolted with protection cylinder 20, neutral filter 21 and screening glass 22 is provided with in protection cylinder 20, laser work head 30 is fixed with contiguous block 31, CCD camera 10 is fixed on regulating block 12, the back side of regulating block 12 is fixed with adjusting rod 13, the end face of adjusting rod 13 has axially extended spiral shell reach bar portion 14 backward, the outer wall of adjusting rod 13 is evenly equipped with multiple raised item 131, slipping block 32 has and regulates through hole 33, uniform on the madial wall of adjustment through hole 33 have groove 331, groove 331 is corresponding with raised item 131, adjusting rod 13 sleeve is in adjustment through hole 33, raised item 131 sleeve is in groove 331, spiral shell reach bar portion 14 is bolted with hold-down nut 15, slipping block 32 is clamped between regulating block 12 and hold-down nut 15, the bottom of slipping block 32 is fixed with dove-tail slide portion 321, in the swallowtail-shaped slide 34 that dove-tail slide portion 321 sleeve has on contiguous block 31, slipping block 32 is hinged with adjusting screw(rod) 35, adjusting screw(rod) 35 is screwed onto on back-up block 36, back-up block 36 is fixed on contiguous block 31.
Further, described protection cylinder 20 comprises cylindrical shell 23, the upper end of cylindrical shell 23 is fixed with the cover 24 that is spirally connected, the cover 24 that is spirally connected is screwed onto on the outer wall of camera lens 11, there is in cylindrical shell 23 stairstepping through hole 25, the upper end of stairstepping through hole 25 is minor diameter through hole section, the lower end of stairstepping through hole 25 is diameter through hole section 251, first elastic washer 1, neutral filter 21, second elastic washer 2, middle spacer sleeve 3, 3rd elastic washer 4, screening glass 22 and the 4th elastic washer 5 from top to bottom successively sleeve in the diameter through hole section 251 of stairstepping through hole 25, the lower end of cylindrical shell 23 is bolted with gland 26, the middle part of gland 26 has through hole 261, gland 26 is pressed against on the 4th elastic washer 5, screening glass 22 is clamped between the 3rd elastic washer 4 and the 4th elastic washer 5, middle spacer sleeve 3 is clamped between the 3rd elastic washer 4 and the second elastic washer 2, neutral filter 21 is clamped between the first elastic washer 1 and the second elastic washer 2, first elastic washer 1 is pressed against on the top end face of diameter through hole section 251.
Further, described screening glass 22 is quartz glass plate.
Further, described laser work head 30 is fixed with support bar 37, the end winding support of support bar 37 is on contiguous block 31.
In laser work head 30, there is dust feeder.
The bottom of swallowtail-shaped slide 34 is fixed with wearing layer 39, and dove-tail slide portion 321 is reduced wear when swallowtail-shaped slide 34 moves.
As shown in Figure 1, laser instrument 40 Emission Lasers, enter in laser work head 30 after being reflected by speculum 50, simultaneously, dust feeder sent in laser work head 30 by powder by powder feeding machine 60, and (dust feeder is a powder feeding cavity, powder carry enters powder feeding cavity) in, then laser be mapped on workbench workpiece by laser work head 30 on laser molten pool in, and powder is melted in laser molten pool, workpiece is repaired, simultaneously, CCD camera 10 is carried out according to taking the photograph laser molten pool, then image is flowed to computer 70 to process, thus realize Real-Time Monitoring.
And it can realize by rotating adjusting screw(rod) 35, the transverse shifting of slipping block 32, realize the transverse shifting of CCD camera 10, and by backing out hold-down nut 15, adjusting rod 13 is extracted from adjustment through hole 33, then turn an angle to insert again and regulate through hole 33, thus the photograph that can realize CCD camera 10 takes the photograph angular adjustment, ensures the degree of accuracy of its thermometric.
Finally; above embodiment is only for illustration of the utility model; and be not limitation of the utility model; the those of ordinary skill of relevant technical field; when not departing from spirit and scope of the present utility model; can also make a variety of changes and modification, therefore all equivalent technical schemes also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (4)
1. the selective laser sintering bath temperature checkout gear based on ccd, comprise CCD camera (10), it is characterized in that: camera lens (11) place of described CCD camera (10) is bolted with protection cylinder (20), neutral filter (21) and screening glass (22) is provided with in protection cylinder (20), laser work head (30) is fixed with contiguous block (31), CCD camera (10) is fixed on regulating block (12), the back side of regulating block (12) is fixed with adjusting rod (13), the end face of adjusting rod (13) has axially extended spiral shell reach bar portion (14) backward, the outer wall of adjusting rod (13) is evenly equipped with multiple raised item (131), slipping block (32) has adjustment through hole (33), uniform on the madial wall of adjustment through hole (33) have groove (331), groove (331) is corresponding with raised item (131), adjusting rod (13) sleeve is in adjustment through hole (33), raised item (131) sleeve is in groove (331), spiral shell reach bar portion (14) is bolted with hold-down nut (15), slipping block (32) is clamped between regulating block (12) and hold-down nut (15), the bottom of slipping block (32) is fixed with dove-tail slide portion (321), in the swallowtail-shaped slide (34) that dove-tail slide portion (321) sleeve has on contiguous block (31), slipping block (32) is hinged with adjusting screw(rod) (35), adjusting screw(rod) (35) is screwed onto on back-up block (36), back-up block (36) is fixed on contiguous block (31).
2. a kind of selective laser sintering bath temperature checkout gear based on ccd according to claim 1, it is characterized in that: described protection cylinder (20) comprises cylindrical shell (23), the upper end of cylindrical shell (23) is fixed with the cover (24) that is spirally connected, the cover (24) that is spirally connected is screwed onto on the outer wall of camera lens (11), there is in cylindrical shell (23) stairstepping through hole (25), the upper end of stairstepping through hole (25) is minor diameter through hole section, the lower end of stairstepping through hole (25) is diameter through hole section (251), first elastic washer (1), neutral filter (21), second elastic washer (2), middle spacer sleeve (3), 3rd elastic washer (4), screening glass (22) and the 4th elastic washer (5) from top to bottom successively sleeve in the diameter through hole section (251) of stairstepping through hole (25), the lower end of cylindrical shell (23) is bolted with gland (26), the middle part of gland (26) has through hole (261), gland (26) is pressed against on the 4th elastic washer (5), screening glass (22) is clamped between the 3rd elastic washer (4) and the 4th elastic washer (5), middle spacer sleeve (3) is clamped between the 3rd elastic washer (4) and the second elastic washer (2), neutral filter (21) is clamped between the first elastic washer (1) and the second elastic washer (2), first elastic washer (1) is pressed against on the top end face of diameter through hole section (251).
3. a kind of selective laser sintering bath temperature checkout gear based on ccd according to claim 2, is characterized in that: described screening glass (22) is quartz glass plate.
4. a kind of selective laser sintering bath temperature checkout gear based on ccd according to claim 3, it is characterized in that: described laser work head (30) is fixed with support bar (37), the end winding support of support bar (37) is on contiguous block (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520538803.2U CN204735713U (en) | 2015-07-23 | 2015-07-23 | Selectivity laser sintering molten bath temperature -detecting device based on ccd |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520538803.2U CN204735713U (en) | 2015-07-23 | 2015-07-23 | Selectivity laser sintering molten bath temperature -detecting device based on ccd |
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| Publication Number | Publication Date |
|---|---|
| CN204735713U true CN204735713U (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520538803.2U Expired - Fee Related CN204735713U (en) | 2015-07-23 | 2015-07-23 | Selectivity laser sintering molten bath temperature -detecting device based on ccd |
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| CN (1) | CN204735713U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363171A (en) * | 2016-09-29 | 2017-02-01 | 中北大学 | Selective laser melting forming molten bath real-time monitoring device and monitoring method |
| CN106493366A (en) * | 2016-12-07 | 2017-03-15 | 中北大学 | Various metals dusty material selective laser melting forming device |
| CN106891614A (en) * | 2017-02-28 | 2017-06-27 | 华中科技大学 | A kind of curved surface prints the real-time sintering curing apparatus and method of laser |
| TWI633994B (en) * | 2016-10-06 | 2018-09-01 | 國立中興大學 | 3D printing device capable of instantly monitoring temperature and temperature monitoring method thereof |
-
2015
- 2015-07-23 CN CN201520538803.2U patent/CN204735713U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363171A (en) * | 2016-09-29 | 2017-02-01 | 中北大学 | Selective laser melting forming molten bath real-time monitoring device and monitoring method |
| TWI633994B (en) * | 2016-10-06 | 2018-09-01 | 國立中興大學 | 3D printing device capable of instantly monitoring temperature and temperature monitoring method thereof |
| CN106493366A (en) * | 2016-12-07 | 2017-03-15 | 中北大学 | Various metals dusty material selective laser melting forming device |
| US10661382B2 (en) | 2016-12-07 | 2020-05-26 | North University Of China | SLM forming device for multiple metal powder materials |
| CN106891614A (en) * | 2017-02-28 | 2017-06-27 | 华中科技大学 | A kind of curved surface prints the real-time sintering curing apparatus and method of laser |
| CN106891614B (en) * | 2017-02-28 | 2018-08-17 | 华中科技大学 | A kind of curved surface printing real-time sintering curing device and method of laser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151104 Termination date: 20160723 |