CN203909378U - Fast focusing machine vision lens - Google Patents
Fast focusing machine vision lens Download PDFInfo
- Publication number
- CN203909378U CN203909378U CN201420284797.8U CN201420284797U CN203909378U CN 203909378 U CN203909378 U CN 203909378U CN 201420284797 U CN201420284797 U CN 201420284797U CN 203909378 U CN203909378 U CN 203909378U
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- focusing
- lens set
- lens
- fast
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Abstract
The utility model discloses a fast focusing machine vision lens. The fast focusing machine vision lens is characterized in that an external focusing barrel 4 matches an internal focusing barrel 6 through a multiple head thread; the lead is 16 times the pitch of the outer diameter fine thread of the external focusing barrel; a focusing ring 3 is rotated to enable the external focusing barrel 4 to axially move 1 unit, and the internal focusing barrel 6, a front mirror seat 1, a first lens group 10, a second lens group 11 and a third lens group can move 16 units; and fast focusing is realized. The fast focusing machine vision lens provided by the utility model has the advantages of compact and reasonable structure and fast and convenient focusing, and can fast and clearly capture a target image.
Description
The utility model relates to a kind of machine visual lens, the machine visual lens that especially can focus fast.
Background technology
First Vision Builder for Automated Inspection refers to and by machine visual lens, target picture is caught, then by image-pickup devices such as industrial cameras, to be ingested target and convert picture signal to, send special-purpose image processing system to, picture system carries out to these signals the feature that various computings carry out extracting objects, as area, quantity, position, length, then according to default permissibility and other output with conditions results, realize automatic identification function.
In recent years, along with developing rapidly of microelectronic industry, high performance Vision Builder for Automated Inspection constantly occurs, therefore, the machine visual lens as processing one of the important parts of light signal in Vision Builder for Automated Inspection proposed to new requirement.How by target image fast, clearly catch, and guarantee that picture centre and unchanged direction are the purpose of this utility model.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of quick focusing machine visual lens, can be by rapidly machine visual lens being focused, thereby reach fast, captured target image clearly, and guarantee the object of picture centre and unchanged direction.
In order to achieve the above object, the technical scheme that the utility model adopts is: front microscope base 1 inner chamber is equipped with lens set (two) 11 and lens set (three) 14, between lens set (two) 11 and lens set (three) 14, with eyeglass spacer ring 13, separate, after the internal thread that front microscope base 1 external diameter is processed with screw thread and interior focusing cylinder 6 connects with glue fixing relative be motionless; The front end inner chamber of interior focusing cylinder 6 is equipped with lens set () 10, and rear end inner chamber is equipped with light hurdle parts 18; Because front microscope base 1 is relative motionless with the internal thread of interior focusing cylinder 6, therefore, lens set (one) 10, the position of lens set (two) 11 and lens set (three) 14 is relative fixing, like this, the luminous point that guarantees image there will not be rotation, guarantees on the one hand picture centre and unchanged direction; The external diameter of interior focusing cylinder 6 is processed with multi-step thread M26*12/8, coordinates with the internal diameter multi-step thread M26*12/8 of outer focusing drum 4, and their relative rotation, can make their relative fast moving in axial direction; One end of outer focusing drum 4 external diameters is processed with ring groove, relative with focusing ring 3 fixing by screw () 2, and the other end of outer focusing drum 4 external diameters is processed with the fine thread of M30*0.75, by it can with the screw-internal thread fit of stationary magazine creel 5; Stationary magazine creel 5 peripheries have a fastening bolt 12, when the state of fastening bolt 12 in unclamping, focusing ring 3 is can be counterrotating with stationary magazine creel 5, and when the state of fastening bolt 12 in tightening, the relative position of focusing ring 3 and stationary magazine creel 5 is just fixed; Outside the less one end of stationary magazine creel 5 external diameters, surface cover has light hurdle focusing ring 16, rotate light hurdle focusing ring 16, can drive light hurdle driving lever 7 to rotate the blade of controlling on light hurdle parts 18 upholds, thereby logical light quantity that can adjustable lens, when logical light quantity is suitable, by tightening the light hurdle screw 15 on light hurdle regulating ring 16, can allow light hurdle regulating ring 16 no longer rotate; The end that stationary magazine creel 5 external diameters are less is processed with ring groove, facilitates screw (two) 8 that the CCD adapter ring 9 that connects industrial camera is fixed; Stationary magazine creel 5 inner chambers also have two axial gathering sills, and countervane 19 use screws (four) are fixed on interior focusing cylinder 6, and when countervane 19 moves along the gathering sill of stationary magazine creel 5, interior focusing cylinder 6 and stationary magazine creel 5 can not relatively rotate, and can only relatively move axially.
The beneficial effects of the utility model are, this machine visual lens compact conformation of focusing is fast reasonable, focus quick and convenient, can be by target image fast, clearly catch; In focusing process, picture centre and unchanged direction.
accompanying drawing explanation
Fig. 1 is the stereomicroscope optical system schematic diagram that the utlity model has built-in in-line illumination device.
In figure: 1 front microscope base, 2 screws (), 3 focusing rings, 4 outer focusing drums, 5 stationary magazine creels, 6 interior focusing cylinders, 7 smooth hurdle driving levers, 8 screws (two), 9 CCD adapter rings, 10 lens set (), 11 lens set (two), 12 fastening bolts, 13 eyeglass spacer rings, 14 lens set (three) 15 smooth hurdle screws, 16 smooth hurdle regulating rings, 17 screws (three), 18 smooth hurdle parts, 19 countervanes, 20 screws (four).
Embodiment
Front microscope base 1 inner chamber is equipped with lens set (two) 11 and lens set (three) 14, between lens set (two) 11 and lens set (three) 14, with eyeglass spacer ring 13, separate, after the internal thread that front microscope base 1 external diameter is processed with screw thread and interior focusing cylinder 6 connects with glue fixing relative be motionless; The front end inner chamber of interior focusing cylinder 6 is equipped with lens set () 10, and rear end inner chamber is equipped with light hurdle parts 18; Because front microscope base 1 is relative motionless with the internal thread of interior focusing cylinder 6, therefore, lens set () 10, the position of lens set (two) 11 and lens set (three) 14 is relative fixing, like this, guarantee that the luminous point of image there will not be rotation, guarantee on the one hand picture centre and unchanged direction; The external diameter of interior focusing cylinder 6 is processed with multi-step thread M26*12/8, coordinates with the internal diameter multi-step thread M26*12/8 of outer focusing drum 4, and their relative rotation, can make their relative fast moving in axial direction; One end of outer focusing drum 4 external diameters is processed with ring groove, relative with focusing ring 3 fixing by screw () 2, and the other end of outer focusing drum 4 external diameters is processed with the fine thread of M30*0.75, by it can with the screw-internal thread fit of stationary magazine creel 5; Stationary magazine creel 5 peripheries have a fastening bolt 12, when the state of fastening bolt 12 in unclamping, focusing ring 3 is can be counterrotating with stationary magazine creel 5, and when the state of fastening bolt 12 in tightening, the relative position of focusing ring 3 and stationary magazine creel 5 is just fixed; Outside the less one end of stationary magazine creel 5 external diameters, surface cover has light hurdle focusing ring 16, rotate light hurdle focusing ring 16, can drive light hurdle driving lever 7 to rotate the blade of controlling on light hurdle parts 18 upholds, thereby logical light quantity that can adjustable lens, when logical light quantity is suitable, by tightening the light hurdle screw 15 on light hurdle regulating ring 16, can allow light hurdle regulating ring 16 no longer rotate; The end that stationary magazine creel 5 external diameters are less is processed with ring groove, facilitates screw (two) 8 that the CCD adapter ring 9 that connects industrial camera is fixed; Stationary magazine creel 5 inner chambers also have two axial gathering sills, and countervane 19 use screws (four) are fixed on interior focusing cylinder 6, and when countervane 19 moves along the gathering sill of stationary magazine creel 5, interior focusing cylinder 6 and stationary magazine creel 5 can not relatively rotate, and can only relatively move axially.
Principle of work: when rotating focusing ring 3, drive outer focusing drum 4 also and then to rotate, because the countervane 19 being fixed on interior focusing cylinder 6 can only axially move along stationary magazine creel 5, thereby drive interior focusing cylinder 6 and front microscope base 1 and lens set () 10, lens set (two) 11, lens set (three) 14 can only do axial movement; Because outer focusing drum 4 is to coordinate by multi-step thread with interior focusing cylinder 6, its helical pitch is 16 times of pitch of outer focusing drum external diameter fine thread; Therefore, rotate focusing ring 3 and allow outer focusing drum 4 mobile 1 unit vertically, interior focusing cylinder 6, front microscope base 1 and lens set () 10, lens set (two) 11, lens set (three) can mobile 16Ge units, thereby reach the object of quick focusing; Due in focusing process, lens set () 10, the position of lens set (two) 11 and lens set (three) 14 is relatively-stationary, does not produce relative rotation, therefore, has guaranteed center and the unchanged direction of image in the process of focusing.
Claims (2)
1. a quick focusing machine visual lens, it is characterized in that: when rotating focusing ring (3), drive outer focusing drum (4) also and then to rotate, because the countervane (19) being fixed on interior focusing cylinder (6) can only axially move along stationary magazine creel (5), thereby drive interior focusing cylinder (6) and front microscope base (1) and lens set one (10), lens set two (11), lens set three (14) can only do axial movement; Outer focusing drum (4) is to coordinate by multi-step thread with interior focusing cylinder (6), and its helical pitch is 16 times of pitch of outer focusing drum external diameter fine thread; Therefore, rotate focusing ring (3) and allow outer focusing drum (4) move vertically 1 unit, interior focusing cylinder (6), front microscope base (1) and lens set one (10), lens set two (11), lens set three (14) can mobile 16Ge units.
2. a kind of quick focusing machine visual lens according to claim 1, it is characterized in that: in focusing process, lens set one (10), the position of lens set two (11) and lens set three (14) is relatively-stationary, picture centre and unchanged direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284797.8U CN203909378U (en) | 2014-05-30 | 2014-05-30 | Fast focusing machine vision lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284797.8U CN203909378U (en) | 2014-05-30 | 2014-05-30 | Fast focusing machine vision lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203909378U true CN203909378U (en) | 2014-10-29 |
Family
ID=51783639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420284797.8U Expired - Fee Related CN203909378U (en) | 2014-05-30 | 2014-05-30 | Fast focusing machine vision lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203909378U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375820A (en) * | 2018-03-15 | 2018-08-07 | 深圳市激埃特光电有限公司 | One kind is for the double-colored gold-plated burnt ring of camera lens |
| CN109283651A (en) * | 2018-12-12 | 2019-01-29 | 广东奥普特科技股份有限公司 | A kind of high-resolution machine visual lens structure small in size |
-
2014
- 2014-05-30 CN CN201420284797.8U patent/CN203909378U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375820A (en) * | 2018-03-15 | 2018-08-07 | 深圳市激埃特光电有限公司 | One kind is for the double-colored gold-plated burnt ring of camera lens |
| CN109283651A (en) * | 2018-12-12 | 2019-01-29 | 广东奥普特科技股份有限公司 | A kind of high-resolution machine visual lens structure small in size |
| CN109283651B (en) * | 2018-12-12 | 2021-12-14 | 广东奥普特科技股份有限公司 | Small-size high-resolution machine vision lens structure |
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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 |
Granted publication date: 20141029 Termination date: 20210530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |