CN214670003U - Coaxial light source device - Google Patents
Coaxial light source device Download PDFInfo
- Publication number
- CN214670003U CN214670003U CN202121053749.4U CN202121053749U CN214670003U CN 214670003 U CN214670003 U CN 214670003U CN 202121053749 U CN202121053749 U CN 202121053749U CN 214670003 U CN214670003 U CN 214670003U
- Authority
- CN
- China
- Prior art keywords
- light source
- base
- slides
- casing
- lead screw
- 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.)
- Expired - Fee Related
Links
- 230000004308 accommodation Effects 0.000 claims description 2
- 230000003760 hair shine Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 208000034656 Contusions Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Images
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model discloses a coaxial light source device, to the radiating problem that is used for the coaxial light source of great testee, the utility model provides following technical scheme, including the casing with set up in the inside light source subassembly of casing, the casing is equipped with two spouts that are parallel to each other, be equipped with the base that slides along the spout between two spouts, the light source subassembly is connected in the local light source of the base that slides including the spectroscope and the sliding of the inside that is fixed in the casing, the base that slides is equipped with the drive and slides the first drive assembly that the base removed along the spout, local light source is equipped with the second drive assembly that the drive local light source slided along the length direction of the base that slides, local light source shines the spectroscope under the drive of first drive assembly and second drive assembly, local light source's light-emitting direction becomes 45 contained angles with the spectroscope. The light source device has the advantages that the whole spectroscope can be illuminated only by moving the local light source with a small area, the generated heat is small compared with the light source with a larger area, the temperature is reduced, and the service life is prolonged.
Description
Technical Field
The utility model relates to a machine vision light source technical field, more specifically say, it relates to a coaxial light source device.
Background
A coaxial light source is a light source for machine vision that has a more uniform illumination than conventional light sources. When the coaxial light source illuminates a smooth surface, the smooth surface is in contrast with the surfaces of the scribing, sinking and impressing features, the unevenness of the scribing, sinking and impressing features is highlighted, and the interference caused by light reflection of the smooth surface is overcome, so that the accuracy and the reproducibility of machine vision are improved. The coaxial light source can be mainly used for detecting bruises, scratches, cracks and foreign bodies on the flat and smooth surface of an object.
There is a coaxial light source in the market at present, and its whole side is arranged the LED lamp with high density, though luminance improves by a wide margin, but corresponding heat dissipation requirement increases, when detecting the object of great surface, needs bigger coaxial light source, and correspondingly more LED lamp, the heat that produces is more, if the temperature is too high, then reduces coaxial light source's life, and current heat dissipation paster can not satisfy great heat dissipation demand, consequently has improved space.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, the utility model aims to provide a coaxial light source device has the advantage that the heat of production is few.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a coaxial light source device, has accommodation space's casing and sets up in the light source subassembly of the inside of casing including inside, the light source subassembly is including the spectroscope that is fixed in the inside of casing, the casing is equipped with two spouts that are parallel to each other, two be equipped with the base that slides along the spout between the spout, the casing is equipped with the drive and slides the first drive assembly that the base removed along the spout, the light source subassembly is still including setting up the local light source on the base that slides, the base that slides is equipped with the second drive assembly that drives local light source and slide along the length direction of the base that slides, local light source shines the spectroscope under the drive of first drive assembly and second drive assembly, local light source's light-emitting direction becomes 45 contained angles with the spectroscope.
Adopt above-mentioned technical scheme, the casing provides the support for the inside light source subassembly of casing, base, first drive assembly and the second drive assembly that slides. First drive assembly drives the base that slides along spout reciprocating motion, and second drive assembly drives local light source along the length direction reciprocating motion of the base that slides, realizes that local light source moves on the plane that two parallel spouts formed, can illuminate the whole surface of spectroscope. A part of light of the local light source inside the shell irradiates on the spectroscope inclined at an included angle of 45 degrees with the light, the spectroscope reflects the light to the measured object to realize the illumination of the measured object, and the other part of light penetrates through the spectroscope to reduce the brightness intensity of the smooth surface and highlight the defects of gravure and the like on the surface of the measured object. The measured object is illuminated by only a movable local light source with a small area, so that heat generated by the light source is greatly reduced, effective heat dissipation is realized, and the service life is prolonged.
Furthermore, the first driving assembly comprises a first screw rod rotatably connected to the shell, a first power source fixedly connected to the shell and used for driving the first screw rod to rotate, and a first support rod fixedly connected to the shell, wherein the first support rod is parallel to the first screw rod, the first support rod is connected with the sliding base in a sliding manner, and the first screw rod is in threaded connection with the sliding base.
Adopt above-mentioned technical scheme, first lead screw rotates to be connected in the casing, the casing provides the support for first lead screw, first bracing piece is fixed in the casing, the casing provides the support for first bracing piece, when fixing the first power supply at the casing and drive first lead screw and rotate, the screw thread of first lead screw and the thread engagement of the base that slides, make the base motion that slides, the base that slides reciprocates under the guide of the first bracing piece that is on a parallel with first lead screw, the translation of the base that slides is turned into in the rotation of first lead screw, realize the base that slides along the stable translation of spout direction, a drive assembly stable in structure.
Further, the second drive assembly including set up support sliding base's in two spouts subassembly, swing joint in the second lead screw of subassembly that slides, set up in the subassembly that slides be used for driving second lead screw pivoted second power supply and set up in the second bracing piece of subassembly that slides, the second bracing piece is on a parallel with the second lead screw, the local light source slides with the second bracing piece and is connected, local light source and second lead screw threaded connection.
Adopt above-mentioned technical scheme, the subassembly that slides in the spout supports the second lead screw, the second power supply, the second bracing piece, the base and the local light source of sliding along the length direction reciprocating motion of spout, when setting up in the second power supply drive second lead screw of the subassembly that slides and rotate, the screw thread of second lead screw and the thread engagement of local light source, make the motion of local light source, local light source reciprocates under the guide of the second lead screw that is on a parallel with the second lead screw and slides, the translation of local light source is turned into in the rotation of second lead screw, realize the stable translation of local light source along the length direction of the base that slides, second drive assembly stable in structure.
Further, the subassembly that slides includes along the fixed guide rail that sets up in the spout of spout direction with slide connect in the slider of guide rail, slider and the base fixed connection that slides.
By adopting the technical scheme, the guide rail is fixed on the sliding groove, the sliding block is connected on the guide rail in a sliding manner, and the direction of the guide rail is parallel to the direction of the sliding groove, so that the sliding block can reciprocate on the guide rail along the direction of the sliding groove. The sliding base fixedly connected to the sliding block is driven by the sliding block to move back and forth along the sliding groove direction.
Further, the local light source adopts a highly densely arranged LED lamp group.
By adopting the technical scheme, the LED lamp banks which are highly densely arranged provide parallel light sources, and the parallel light sources enable the surface of the measured object to be uniformly irradiated by light rays and the brightness to be more uniform.
Furthermore, a plurality of dovetail grooves which are parallel to each other are arranged on the outer side of the shell.
By adopting the technical scheme, the two trapezoidal surfaces of the dovetail groove with the dovetail-shaped cross section provide support for fixing the shell, so that the stress of the shell is uniform, and the deformation of the shell is reduced. The shell can be fixed only by inserting the trapezoidal guide rail into the dovetail groove, and the use is convenient. And need not twist the screw on the casing, the shearing force of avoiding twisting the screw makes the casing warp to influence the mirror surface roughness of spectroscope, avoid the camera to appear the out of focus phenomenon.
To sum up, the utility model discloses following beneficial effect has:
1. replace a large tracts of land light source, adopt the local light source of small size to remove on the face between two parallel spouts, can reduce the heat that the light source produced to reduce the temperature, realize effectual cooling, the life of extension light source, the effect is more obvious when this scheme detects great surface.
2. The first driving assembly and the second driving assembly move the local light source by the screw rod, so that the local light source can move without adjusting displacement, and the smooth movement of the local light source is realized.
3. The first supporting rod and the second supporting rod of the first driving assembly and the second driving assembly enable the local light source to move more stably, and the whole structure is firm and reliable.
Drawings
FIG. 1 is a schematic view of a coaxial light source device;
fig. 2 is a schematic structural diagram of a coaxial light source device.
In the figure: 1. a housing; 11. a first side plate; 12. a second side plate; 13. a connecting plate; 14. a first bracket; 15. a second bracket; 21. a beam splitter; 22. a local light source; 3. a first drive assembly; 31. a first lead screw; 32. a first motor; 33. a first support bar; 34. a first slider nut; 4. a second drive assembly; 41. a second lead screw; 42. a second motor; 43. a second support bar; 44. a second slider nut; 45. a slipping component; 451. a guide rail; 452. a slider; 5. a sliding base; 6. dovetail groove dog.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and embodiments.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
A coaxial light source device, see fig. 1, comprises a shell 1 with a containing space, a light source component, a first driving component 3, a second driving component 4 and a sliding base 5, wherein the light source component, the first driving component 3, the second driving component 4 and the sliding base 5 are all located inside the shell 1, the light source component comprises a rectangular spectroscope 21 and a local light source 22, and the local light source 22 adopts a highly densely arranged LED lamp set.
Referring to fig. 1 and 2, the housing 1 includes a first side plate 11 and a second side plate 12 which are rectangular, the first side plate 11 and the second side plate 12 are the same in shape and size, the first side plate 11 and the second side plate 12 are respectively located at two sides of the spectroscope 21 and are parallel to each other, a rectangular connecting plate 13 is fixedly arranged at the same side of the first side plate 11 and the second side plate 12, and the connecting plate 13 is perpendicular to the first side plate 11 and the second side plate 12. The beam splitter 21 is at a 45 ° angle to the web 13. The other sides of the first side plate 11 and the second side plate 12 far away from the connecting plate 13 are fixedly connected with a first bracket 14 and a second bracket 15, and the first bracket 14 and the second bracket 15 are parallel to each other and are perpendicular to both the first side plate 11 and the second side plate 12. The reflecting surface of the beam splitter 21 faces the first support 14 and the second support 15, the first support 14 is far away from the beam splitter 21, and the second support 15 is close to the beam splitter 21. One sides of the first side plate 11 and the second side plate 12 close to the first bracket 14 and the second bracket 15 are respectively provided with sliding grooves, the two sliding grooves are parallel to each other, and a plane formed by the two sliding grooves is parallel to a plane formed by the first bracket 14 and the second bracket 15.
Referring to fig. 1 and 2, a first driving assembly 3 is disposed between the first bracket 14 and the second bracket 15. The first driving assembly 3 includes a first lead screw 31, a first motor 32, and a first support bar 33. The two ends of the first screw rod 31 are respectively connected to the first bracket 14 and the second bracket 15 through bearings and are parallel to the sliding groove. The first motor 32 is fixedly connected to the first bracket 14, and an output shaft of the first motor 32 is connected to one end of the first lead screw 31, which rotates on the first bracket 14, through a coupling. The two ends of the first supporting rod 33 are respectively fixed on the first bracket 14 and the second bracket 15 and are parallel to the first screw rod 31. The external thread of the first screw rod 31 is screwed with a first sliding block nut 34, the first sliding block nut 34 is connected with the sliding base 5 through a bolt, and the first supporting rod 33 is connected with the first sliding block nut 34 in a sliding mode. The first motor 32 drives the first lead screw 31 to rotate, and under the support and guidance of the first support rod 33, the first lead screw 31 drives the first slider nut 34 to slide along the first lead screw 31, so as to drive the sliding base 5 to slide along the first lead screw 31.
Referring to fig. 1 and 2, a second driving assembly 4 is disposed between the sliding groove of the first side plate 11 and the sliding groove of the second side plate 12, and the second driving assembly 4 includes a second lead screw 41, a second motor 42, and a second support rod 43. The sliding groove is internally bolted with a guide rail 451 arranged along the length direction of the sliding groove, the guide rail 451 is connected with a slide block 452 in a sliding manner, and two ends of the second lead screw 41 are respectively in bearing connection with the slide block 452 close to the first side plate 11 and the slide block 452 close to the second side plate 12 and are perpendicular to the sliding groove. The two sliding blocks 452 are respectively fixedly connected to the sliding base 5. The second motor 42 is fixedly connected to the slider 452 close to the first side plate 11, and an output shaft of the second motor 42 is connected to one end of the second lead screw 41 close to the first side plate 11 through a coupling. The external thread of the second screw rod 41 is screwed with a second sliding block nut 44, and the second sliding block nut 44 is fixedly connected with the LED lamp bank. The two ends of the second supporting rod 43 are respectively fixed to the sliding block 452 close to the first side plate 11 and the sliding block 452 close to the second side plate 12, and are parallel to the second lead screw 41. The second support rod 43 is slidably connected to the second slider nut 44. The second motor 42 drives the second lead screw 41 to rotate, and under the support and guidance of the second support rod 43, the second lead screw 41 drives the second slider nut 44 to slide along the second lead screw 41, so as to drive the LED lamp set to slide along the second lead screw 41.
Referring to fig. 1 and 2, dovetail grooves are respectively formed on the outer sides of the first side plate 11 and the second side plate 12 along the direction of the sliding groove, a dovetail groove stopper 6 is plugged into one end of each dovetail groove, and the dovetail groove stopper 6 is made of rubber and can be inserted into and pulled out of the dovetail groove.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a coaxial light source device, includes that inside has accommodation space's casing (1) and sets up the light source subassembly in the inside of casing (1), the light source subassembly is including being fixed in the inside spectroscope (21) of casing (1), its characterized in that: casing (1) is equipped with two spouts that are parallel to each other, two be equipped with between the spout along the spout base (5) that slides, casing (1) is equipped with the drive and slides base (5) along first drive assembly (3) that the spout removed, the light source subassembly is still including setting up local light source (22) on the base (5) that slides, the base (5) that slides is equipped with drive local light source (22) second drive assembly (4) that slides along the length direction of the base (5) that slides, local light source (22) shine spectroscope (21) under the drive of first drive assembly (3) and second drive assembly (4), the light-emitting direction of local light source (22) and spectroscope (21) become 45 contained angles throughout.
2. A coaxial light source device according to claim 1, wherein: first drive assembly (3) are including rotating first lead screw (31), the fixed connection that connects in casing (1) be used for driving first lead screw (31) pivoted first power supply and fixed connection in first bracing piece (33) of casing (1) in casing (1), first bracing piece (33) are on a parallel with first lead screw (31), first bracing piece (33) slide with base (5) of sliding and be connected, first lead screw (31) and base (5) threaded connection that slides.
3. A coaxial light source device according to claim 1, wherein: second drive assembly (4) including set up support sliding assembly (45), swing joint in the second lead screw (41) of sliding assembly (45), set up in sliding assembly (45) be used for driving second lead screw (41) pivoted second power supply and set up in second bracing piece (43) of sliding assembly (45) respectively, second bracing piece (43) are on a parallel with second lead screw (41), local light source (22) slide with second bracing piece (43) and be connected, local light source (22) and second lead screw (41) threaded connection.
4. A coaxial light source device according to claim 3, wherein: the sliding assembly (45) comprises a guide rail (451) fixedly arranged on the sliding groove along the direction of the sliding groove and a sliding block (452) connected to the guide rail (451) in a sliding mode, and the sliding block (452) is fixedly connected with the sliding base (5).
5. A coaxial light source device according to claim 1, wherein: the local light source (22) adopts a highly densely arranged LED lamp group.
6. A coaxial light source device according to claim 1, wherein: the outer side of the shell (1) is provided with a plurality of dovetail grooves which are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121053749.4U CN214670003U (en) | 2021-05-17 | 2021-05-17 | Coaxial light source device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121053749.4U CN214670003U (en) | 2021-05-17 | 2021-05-17 | Coaxial light source device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214670003U true CN214670003U (en) | 2021-11-09 |
Family
ID=78484639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121053749.4U Expired - Fee Related CN214670003U (en) | 2021-05-17 | 2021-05-17 | Coaxial light source device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214670003U (en) |
-
2021
- 2021-05-17 CN CN202121053749.4U patent/CN214670003U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212617917U (en) | LED spotlight capable of changing light source irradiation range | |
| CN214670003U (en) | Coaxial light source device | |
| CN110441715A (en) | A kind of LED light board test device | |
| CN203010417U (en) | Four-axis light source for optical detection | |
| CN108346190B (en) | Energy-saving face recognition attendance machine capable of enhancing recognition effect | |
| CN208999066U (en) | A kind of lamp light source detection adjusting seat | |
| CN210243497U (en) | Laser remote excitation testing device | |
| CN202382712U (en) | Lower lighting image measuring instrument for outside diameter of axial workpiece | |
| CN204674205U (en) | Single double light path switched fibre marking machine | |
| CN209446050U (en) | Potable laser collimator | |
| CN215179566U (en) | Appearance detector | |
| CN212644382U (en) | Side lighting lamp for optimizing image recognition | |
| CN213069326U (en) | Compact electric focusing moving structure for inverted microscopic imaging | |
| CN211718100U (en) | Lens backlight illumination detection device | |
| CN101520163A (en) | LED lamp capable of electrically adjusting light angles | |
| CN220912611U (en) | Sighting telescope reticle inspection positioning tool | |
| CN212007124U (en) | Be applied to tolerance measurement's integrated device | |
| CN221001877U (en) | BIM-based adjustable bracket for building construction | |
| CN217277902U (en) | Test equipment after production of laser light guide plate | |
| CN217179878U (en) | Focal length detection device for photoelectric optical lens | |
| CN218156787U (en) | Cold cathode fluorescent lamp detection device | |
| CN213065746U (en) | Coaxial illumination AOI light source device | |
| CN217034034U (en) | Quick detection device is used in electric wire circuit maintenance | |
| CN216692841U (en) | Mobile industrial scanning camera device | |
| CN221100043U (en) | Lens detection device of laser optical instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |