CN204043631U - A kind of structure of digital projectors - Google Patents
A kind of structure of digital projectors Download PDFInfo
- Publication number
- CN204043631U CN204043631U CN201420428275.0U CN201420428275U CN204043631U CN 204043631 U CN204043631 U CN 204043631U CN 201420428275 U CN201420428275 U CN 201420428275U CN 204043631 U CN204043631 U CN 204043631U
- Authority
- CN
- China
- Prior art keywords
- object lens
- transfer table
- axis transfer
- motor
- projection box
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- 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
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Abstract
The utility model discloses and provides a kind of simple and stable structure, measures the structure that area is large, measure efficiency digital projectors high and with low cost.The utility model comprises base (1), be arranged on worktable on described base (1) and projection box (2), described projection box (2) and described base (1) are fixedly connected and are placed in the top of described worktable, described projection box (2) comprises object lens (3) and for regulating the silk ring elevating mechanism of described object lens (3), rotate described silk ring elevating mechanism, described object lens (3) adjustable focal length.The utility model is applicable to PCB fields of measurement.
Description
Technical field
The utility model relates to a kind of structure of digital projectors.
Background technology
Existing digital projectors, its worktable with elevating function is all be fixedly mounted on base, when carrying out the measurement of PCB, whole worktable all needs according to measured product and moves, and this just causes the center of gravity of fuselage to offset, make base discontinuity, easy generation distortion, thus cause base and worktable produce beat and cause measuring error, and in order to reduce measuring error as far as possible, just only have the measurement stroke reducing worktable, cause measurement area little; And the kind of drive of described worktable adopts slip gear, this mechanism needs manually rotation hand wheel device to realize the movement of worktable, therefore measures inefficiency; And the focusing mode of its image is all adopt self-powered platform to realize, its workbench lifting device is made up of rail sliding apparatus and lead screw transmission mechanism, need through manual rotation handwheel devices, on adjustment worktable, the distance of the enlarging objective of workpiece and projector is focused, this just makes the complicated integral structure of projective measuring instrument, and manufacturing cost is high.
Utility model content
Technical problem to be solved in the utility model overcomes the deficiencies in the prior art, provides a kind of simple and stable structure, measures the structure that area is large, measure efficiency digital projectors high and with low cost.
The technical scheme that the utility model adopts is: the utility model comprises base, be arranged on worktable on described base and projection box, described projection box and described base are fixedly connected and are placed in the top of described worktable, described projection box comprises object lens and for regulating the silk ring elevating mechanism of described object lens, rotate described silk ring elevating mechanism, described object lens adjustable focal length.
Described silk ring elevating mechanism also includes object lens web member, described object lens are provided with outer adjustment screw thread, described object lens web member be provided with described object lens with the suitable internal thread of outer adjustment screw thread, and then described object lens are threaded with described object lens web member, described object lens web member is screwed on the lower surface of described projection box.
Described projection box also comprises projection screen, reflecting optics and antinose-dive leg, described projection screen is arranged on the front end face of described projection box, described reflecting optics is fixedly mounted on the inside of described projection box, described projection box is fixedly mounted on described antinose-dive leg, and described antinose-dive leg is fixedly mounted on described base.
Described worktable comprises X-axis transfer table, tooth bar I, gear I, motor I, Y-axis transfer table, tooth bar II, gear II and motor II, described tooth bar II is fixed on the upper surface of described base, described motor II is fixedly mounted on the side of described Y-axis transfer table, the output shaft that described gear II is arranged on described motor II is placed in the below of described Y-axis transfer table, described gear II is suitable with described tooth bar II and be engaged, described tooth bar I is fixedly mounted on described Y-axis transfer table, described motor I is fixedly mounted on the side of described X-axis transfer table, the output shaft that described gear I is arranged on described motor I is placed in the below of described X-axis transfer table, described gear I is suitable with described tooth bar I and be engaged.
Described X-axis transfer table is installed with object carrier, source of parallel light group and optical electron chi, described object carrier is arranged on the middle position of the upper surface of described X-axis transfer table, described optical electron chi is arranged on the upper surface of described object carrier, and described source of parallel light group is arranged on the bottom surface of described object carrier.
The utility model also comprises remote-control lever, and described remote-control lever controls the motion of described motor I and described motor II.
The beneficial effects of the utility model are: due in the utility model, eliminate the elevating mechanism of base and worktable, directly at the silk ring elevating mechanism of projection box mounting strap object lens, only need rotate described silk ring elevating mechanism and just can realize the focusing of described object lens without lifting pedestal or worktable, make one-piece construction of the present utility model more simply and more firm, while saving manufacturing cost, also Long Distances worktable can be installed, increase and measure area;
Described worktable comprises X and Y-axis transfer table, and described X and Y-axis transfer table are separately installed with rack-and-pinion and motor transmission, and described rack-and-pinion and motor transmission are manipulated by rocking bar, and then makes the measurement quickness and high efficiency more of workpiece.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the silk ring elevating mechanism structural representation of the utility model reality.
Embodiment
As shown in Figure 1 and Figure 2, the utility model comprises base 1, worktable and projection box 2, the effective range of described worktable is 600 millimeters and is multiplied by 600 millimeters, described worktable is arranged on the panel of the upper surface of described base 1, and four supporting legs of described base 1 are provided with adjustable support pad 15 in bottom respectively.
Described projection box 2 comprises a ring elevating mechanism, projection screen 5, reflecting optics and antinose-dive leg 6, the effective travel of described silk ring elevating mechanism is 20 millimeters, it comprises object lens 3 and object lens web member 4, described object lens 3 are provided with outer adjustment screw thread, described object lens web member 4 be provided with described object lens 3 with the suitable internal thread of outer adjustment screw thread, and then described object lens 3 carry out accurate thread with described object lens web member 4 and are connected, the tail end of described object lens web member 4 is screwed on the lower surface of described projection box 2.Described projection screen 5 is arranged on the front end face of described projection box 2, described reflecting optics is fixedly installed on the inside of described projection box 2, described projection box 2 is fixedly mounted on described antinose-dive leg 6, described antinose-dive leg 6 is fixedly mounted on the rear side of described base 1, and the right side of described antinose-dive leg 6 is provided with digital display meter.
Described worktable comprises X-axis transfer table 7, tooth bar I 8, gear I, motor I 9, Y-axis transfer table 10, tooth bar II 11, gear II and motor II 12.Described tooth bar II 11 is fixing on the panel, described motor II 12 is fixedly mounted on the side of described Y-axis transfer table 10, the output shaft that described gear II is arranged on described motor II 12 is placed in the below of described Y-axis transfer table 10, described gear II is suitable with described tooth bar II 11 and be engaged, described tooth bar I 8 is fixedly mounted on described Y-axis transfer table 10, described motor I 9 is fixedly mounted on the side of described X-axis transfer table 7, the output shaft that described gear I is arranged on described motor I 9 is placed in the below of described X-axis transfer table 7, described gear I is suitable with described tooth bar I 8 and be engaged.Described X-axis transfer table 7 is installed with object carrier 13 source of parallel light group and optical electron chi, described object carrier 13 is arranged on the middle position of the upper surface of described X-axis transfer table 7, described optical electron chi is arranged on the upper surface of described object carrier 13, and described source of parallel light group is arranged on the bottom surface of described object carrier 13.Described motor I 9 and described motor II 12 rotate through motor remote remote-control lever to control.
Described antinose-dive leg 6 is fixed with electric cabinet 14, described electric cabinet 14 is positioned at the rear of described projection box 2, and described projection box 2, described source of parallel light group, described motor I 9, described motor II 12 and described optical electron chi are all connected with described electric cabinet 14.
principle of work
Be placed on described object carrier 13 need the PCB of carrying out measuring, start described projection box 2, described source of parallel light group and described optical electron chi, the directional light that described source of parallel light group sends projects to two dimensional characters such as the profiles of described PCB on described object lens 3, through described object lens 3, the image of described PCB is by the described two panels reflecting optics in described projection box 2, the final magnified image generating described PCB on described projection screen 5, rotate described object lens 3 to focus, make the magnified image of described PCB more clear.
Shake described remote-control lever, described motor I 9 and described motor II 12 are started and drives described X-axis transfer table 7 and Y-axis transfer table 10, the described PCB be placed on described object carrier 13 is made to move to the position needing measurement, and then fast the profile of described PCB is measured, the data of measurement are shown by described digital display meter.
The utility model is applicable to PCB fields of measurement.
Claims (6)
1. the structure of a digital projectors, it comprises base (1), be arranged on worktable on described base (1) and projection box (2), described projection box (2) and described base (1) are fixedly connected and are placed in the top of described worktable, it is characterized in that: described projection box (2) comprises object lens (3) and for regulating the silk ring elevating mechanism of described object lens (3), rotate described silk ring elevating mechanism, described object lens (3) adjustable focal length.
2. the structure of a kind of digital projectors according to claim 1, it is characterized in that: described silk ring elevating mechanism also includes object lens web member (4), described object lens (3) are provided with outer adjustment screw thread, described object lens web member (4) be provided with described object lens (3) with the suitable internal thread of outer adjustment screw thread, and then described object lens (3) are threaded with described object lens web member (4), described object lens web member (4) is screwed on the lower surface of described projection box (2).
3. the structure of a kind of digital projectors according to claim 1, it is characterized in that: described projection box (2) also comprises projection screen (5), reflecting optics and antinose-dive leg (6), described projection screen (5) is arranged on the front end face of described projection box (2), described reflecting optics is fixedly mounted on the inside of described projection box (2), described projection box (2) is fixedly mounted on described antinose-dive leg (6), and described antinose-dive leg (6) is fixedly mounted on described base (1).
4. the structure of a kind of digital projectors according to claim 1, it is characterized in that: described worktable comprises X-axis transfer table (7), tooth bar I (8), gear I, motor I (9), Y-axis transfer table (10), tooth bar II (11), gear II and motor II (12), described tooth bar II (11) is fixed on the upper surface of described base (1), described motor II (12) is fixedly mounted on the side of described Y-axis transfer table (10), the output shaft that described gear II is arranged on described motor II (12) is placed in the below of described Y-axis transfer table (10), described gear II is suitable with described tooth bar II (11) and be engaged, described tooth bar I (8) is fixedly mounted on described Y-axis transfer table (10), described motor I (9) is fixedly mounted on the side of described X-axis transfer table (7), the output shaft that described gear I is arranged on described motor I (9) is placed in the below of described X-axis transfer table (7), described gear I is suitable with described tooth bar I (8) and be engaged.
5. the structure of a kind of digital projectors according to claim 4, it is characterized in that: described X-axis transfer table (7) is installed with object carrier (13), source of parallel light group and optical electron chi, described object carrier (13) is arranged on the middle position of the upper surface of described X-axis transfer table (7), described optical electron chi is arranged on the upper surface of described object carrier (13), and described source of parallel light group is arranged on the bottom surface of described object carrier (13).
6. the structure of a kind of digital projectors according to claim 4, is characterized in that: the structure of described a kind of digital projectors also comprises remote-control lever, and described remote-control lever controls the motion of described motor I (9) and described motor II (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428275.0U CN204043631U (en) | 2014-07-31 | 2014-07-31 | A kind of structure of digital projectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428275.0U CN204043631U (en) | 2014-07-31 | 2014-07-31 | A kind of structure of digital projectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204043631U true CN204043631U (en) | 2014-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420428275.0U Expired - Fee Related CN204043631U (en) | 2014-07-31 | 2014-07-31 | A kind of structure of digital projectors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204043631U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078641A (en) * | 2016-08-30 | 2016-11-09 | 吴中区横泾博尔机械厂 | The worktable top device of keyboard of notebook computer structural riveting machine |
| CN106115265A (en) * | 2016-08-30 | 2016-11-16 | 吴中区横泾博尔机械厂 | The keyboard button framework cutting agency of keyboard of notebook computer structural riveting machine |
| CN106441158A (en) * | 2016-11-29 | 2017-02-22 | 淮阴工学院 | Five-degree-of-freedom data processing projector |
-
2014
- 2014-07-31 CN CN201420428275.0U patent/CN204043631U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078641A (en) * | 2016-08-30 | 2016-11-09 | 吴中区横泾博尔机械厂 | The worktable top device of keyboard of notebook computer structural riveting machine |
| CN106115265A (en) * | 2016-08-30 | 2016-11-16 | 吴中区横泾博尔机械厂 | The keyboard button framework cutting agency of keyboard of notebook computer structural riveting machine |
| CN106115265B (en) * | 2016-08-30 | 2018-07-24 | 芜湖航天特种电缆厂股份有限公司 | The keyboard button frame cutting agency of keyboard of notebook computer structural riveting machine |
| CN106441158A (en) * | 2016-11-29 | 2017-02-22 | 淮阴工学院 | Five-degree-of-freedom data processing projector |
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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: 20141224 Termination date: 20170731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |