Flash tester

Abstract

The utility model discloses a flash tester, which is positioned on the front side of a shell and above a workbench, a support plate provided with a main lens assembly, a first lifting mechanism arranged on the shell and connected with the support plate so as to enable the support plate to move up and down along the vertical direction, and a second lifting mechanism arranged on the shell and connected with the support plate, a second lifting mechanism with a moving block is arranged on the portion, located below the supporting plate, of the side wall of the shell, a light source bearing plate is installed on the upper surface of the moving block, a limiting plate is arranged between the moving block and the supporting plate, and the second lifting mechanism comprises a second threaded rod in threaded connection with the moving block and a third motor; an upper limiting strip and a lower limiting strip are arranged on the surface of the front side of the shell in a spaced mode, and the second threaded rod is rotationally installed between the upper limiting strip and the lower limiting strip. According to the flash tester, on the basis that the distance between the workpiece and the lens is adjusted, the adjustment flexibility is improved, the situation that the lens is damaged due to extrusion between the lens and the workpiece is avoided, and the operation reliability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flash measurement, and particularly relates to a flash measuring instrument. Background Art

[0002] The flash measuring instrument adopts a light source irradiation method to image the contour of a part, so as to measure the size of the part. The flash measuring instrument of the prior art generally includes a detection component composed of a telecentric lens and a CCD camera, and a light source carrier plate for placing a workpiece. The detection component takes pictures and measures the parts placed on the light source carrier plate.

[0003] In the prior art, the shooting position can be transferred by moving the lens or the product to ensure that the captured image is clear. However, the above device has poor flexibility during use, and during the adjustment process, the operator may make a wrong operation resulting in over-adjustment, causing the lens to press on the workpiece on the carrier plate, damaging the lens, and the overall reliability is poor. Summary of the Invention

[0004] The purpose of the utility model is to provide a flash measuring instrument, which improves the flexibility of adjustment on the basis of realizing the adjustment of the distance between the workpiece and the lens, and also avoids the situation that the lens is damaged due to extrusion between the lens and the workpiece, and improves the reliability of operation.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is: a flash measuring instrument, including: a workbench, a housing located at the top of the workbench, a support plate installed with a main lens assembly is arranged above the workbench and on the front side of the housing, and a first lifting mechanism arranged on the housing is connected to the support plate to enable the support plate to move up and down in the vertical direction;

[0006] A second lifting mechanism with a moving block is arranged on the side wall of the housing and below the support plate. A light source carrier plate is installed on the upper surface of the moving block, and a limiting plate is arranged between the moving block and the support plate.

[0007] The further improved scheme in the above technical scheme is as follows:

[0008] 1. In the above scheme, the second lifting mechanism includes: a second threaded rod threadedly connected with the moving block, and a third motor. An upper limiting strip and a lower limiting strip are arranged at intervals on the front surface of the housing, and the second threaded rod is rotatably installed between the upper limiting strip and the lower limiting strip. A third motor for driving the second threaded rod to rotate is arranged at the bottom of the lower limiting strip.

[0009] 2. In the above scheme, a through hole is opened on the upper limiting strip, and the limiting plate installed on the side wall of the moving block is slidably connected with the inner wall of the through hole.

[0010] 3. In the above solution, a slide bar is symmetrically arranged between the upper limit bar and the lower limit bar with respect to the second threaded rod, and the moving block is slidably connected to the slide bar.

[0011] 4. In the above solution, the first lifting mechanism includes: a threaded rod threadedly connected with a first connecting block, the vertically arranged threaded rod is rotatably installed on the right side wall of the housing, and the first connecting block is fixedly connected to the first moving block. A first motor for driving the threaded rod to rotate is arranged at the top of the housing.

[0012] 5. In the above solution, a second slide bar with its outer wall slidably connected to a second connecting block is installed on the left arm of the housing, and the second connecting block is fixedly connected to the support plate.

[0013] Due to the application of the above technical solution, the present utility model has the following advantages compared with the prior art:

[0014] For the flash measurement instrument of the present utility model, a first lifting mechanism on the housing is connected to the support plate so that the support plate moves up and down in the vertical direction. A second lifting mechanism with a moving block is arranged below the support plate and on the side wall of the housing. The first moving block of the first lifting mechanism drives the lens on the support plate to move up and down, and the moving block of the second lifting mechanism drives the carrier plate to move up and down. On the basis of realizing the adjustment of the distance between the workpiece and the lens, the flexibility of adjustment is improved, and the applicable range is expanded; further, a light source carrier plate is installed on the upper surface of the moving block, and a limiting plate is arranged between the moving block and the support plate. Arranging the limiting plate between the moving block and the support plate can limit the distance between the support plate and the carrier plate, avoid the situation that the lens is damaged due to the extrusion between the lens and the workpiece, realize the anti-fooling of the device, and improve the reliability of operation. Description of the Drawings

[0015] Att Figure 1 is the overall structural schematic diagram of the flash measurement instrument of the present utility model;

[0016] Att Figure 2 is the enlarged schematic diagram of part A of the present utility model Att Figure 1 ;

[0017] Att Figure 3 is the partial structural schematic diagram of the flash measurement instrument of the present utility model;

[0018] Att Figure 4 is the structural schematic diagram of the support plate of the flash measurement instrument of the present utility model.

[0019] In the above drawings: 1. Workbench; 2. Housing; 3. Through hole; 4. First motor; 5. Threaded rod; 6. Upper limit strip; 7. Lower limit strip; 8. Main lens assembly; 9. Main light source; 10. Support plate; 11. Telephoto lens; 12. Light source carrier plate; 13. Moving block; 14. Limiting plate; 15. Second threaded rod; 16. Third motor; 17. Slide bar; 18. Second slide bar; 19. First connection block; 20. Second connection block. Detailed implementation

[0020] The following specific embodiments can further clearly understand this patent, but they do not limit this patent.

[0021] Embodiment 1: A flash measurement instrument includes: a workbench 1, a housing 2 located on the top of the workbench 1, a support plate 10 with a main lens assembly 8 installed thereon is arranged on the front side of the housing 2 and above the workbench 1, and a first lifting mechanism arranged on the housing 2 is connected to the support plate 10 so that the support plate 10 moves up and down in the vertical direction;

[0022] During use, place the workpiece on the surface of the carrier plate, and the first motor can be started to drive the threaded rod to rotate. Since the threaded rod is threadedly connected to the first moving block, and a limit is formed between the threaded rod and the housing, the threaded rod can drive the first moving block to move up and down during rotation, thereby driving the main lens assembly on the support plate to move;

[0023] A second lifting mechanism with a moving block 13 is arranged below the support plate 10 and on the side wall of the housing 2. A light source carrier plate 12 is installed on the upper surface of the moving block 13, and a limiting plate 14 is arranged between the moving block 13 and the support plate 10.

[0024] The second motor can also be started to drive the second threaded rod to rotate. Since the second threaded rod is threadedly connected to the moving block, and a limit is formed between the second threaded rod and the housing, the second threaded rod can drive the moving block to move up and down during rotation, thereby driving the carrier plate to move.

[0025] The above-mentioned second lifting mechanism includes: a second threaded rod 15 threadedly connected to the moving block 13, a third motor 16. The front surface of the above-mentioned housing 2 is provided with an upper limit strip 6 and a lower limit strip 7 at intervals, and the above-mentioned second threaded rod 15 is rotatably installed between the upper limit strip 6 and the lower limit strip 7. A third motor 16 for driving the second threaded rod 15 to rotate is arranged at the bottom of the lower limit strip 7.

[0026] A through hole 3 is opened in the above-mentioned upper limit strip 6, and the above-mentioned limiting plate 14 installed on the side wall of the moving block 13 is slidably connected to the inner wall of the through hole 3.

[0027] A slide bar 17 is symmetrically arranged between the above-mentioned upper limit bar 6 and lower limit bar 7 with respect to the second threaded rod 15, and the above-mentioned moving block 13 is slidably connected to the slide bar 17.

[0028] The above-mentioned first lifting mechanism includes: a threaded rod 5 threadedly connected with a first connecting block 19. The vertically arranged threaded rod 5 is rotatably installed on the right side wall of the above-mentioned housing 2, and the above-mentioned first connecting block 19 is fixedly connected to the first moving block 403. A first motor 4 for driving the threaded rod 5 to rotate is arranged at the top of the above-mentioned housing 2.

[0029] The above-mentioned main lens assembly 8 includes: a telephoto lens 11 and a main light source 9 installed on a support plate 10. The above-mentioned main light source 9 is arranged on the lower surface of the above-mentioned support plate 10.

[0030] The above-mentioned support plate 10 is located between the first connecting block 19 and the second connecting block 20.

[0031] Embodiment 2: A flash measurement instrument, including: a workbench 1, a housing 2 located on the top of the workbench 1, a support plate 10 with a main lens assembly 8 installed is arranged on the front side of the housing 2 and above the workbench 1. A first lifting mechanism is arranged on the housing 2 and connected to the support plate 10 to enable the support plate 10 to move up and down in the vertical direction;

[0032] The first moving block of the first lifting mechanism drives the lens on the support plate to move up and down, and the moving block of the second lifting mechanism drives the light source carrier plate to move up and down. On the basis of realizing the adjustment of the distance between the workpiece and the lens, the flexibility of adjustment is improved and the applicable range is expanded;

[0033] A second lifting mechanism with a moving block 13 is arranged on the side wall of the housing 2 and below the support plate 10. A light source carrier plate 12 is installed on the upper surface of the moving block 13. A limiting plate 14 is arranged between the moving block 13 and the support plate 10.

[0034] Furthermore, a limiting plate is arranged between the moving block and the support plate, which can limit the distance between the support plate and the carrier plate, avoid the situation that the lens is damaged due to the extrusion between the lens and the workpiece, realize the anti-fooling of the device, and improve the reliability of operation.

[0035] The above-mentioned second lifting mechanism includes: a second threaded rod 15 threadedly connected with a moving block 13 and a third motor 16. An upper limit bar 6 and a lower limit bar 7 are arranged at intervals on the front surface of the above-mentioned housing 2, and the above-mentioned second threaded rod 15 is rotatably installed between the upper limit bar 6 and the lower limit bar 7. A third motor 16 for driving the second threaded rod 15 to rotate is arranged at the bottom of the lower limit bar 7.

[0036] The upper limit strip 6 is provided with a through hole 3, and the limit plate 14 installed on the side wall of the moving block 13 is slidably connected to the inner wall of the through hole 3.

[0037] The first lifting mechanism includes: a threaded rod 5 threaded with a first connecting block 19. The vertically arranged threaded rod 5 is rotatably installed on the right side wall of the housing 2, and the first connecting block 19 is fixedly connected to the first moving block 403. A first motor 4 for driving the threaded rod 5 to rotate is arranged at the top of the housing 2.

[0038] A second sliding rod 18 with its outer wall slidably connected to a second connecting block 20 is installed on the left arm of the housing 2, and the second connecting block 20 is fixedly connected to the support plate 10.

[0039] The main lens assembly 8 includes: a telephoto lens 11 and a main light source 9 installed on the support plate 10, and the main light source 9 is arranged on the lower surface of the support plate 10.

[0040] Working principle:

[0041] During use, place the workpiece on the surface of the bearing plate. The first motor can be started to drive the threaded rod to rotate. Since the threaded rod is threadedly connected to the first moving block and is restricted between the threaded rod and the housing, the first moving block can be driven to move up and down during the rotation of the threaded rod, thereby driving the main lens assembly on the support plate to move.

[0042] The second motor can also be started to drive the second threaded rod to rotate. Since the second threaded rod is threadedly connected to the moving block and is restricted between the second threaded rod and the housing, the moving block can be driven to move up and down during the rotation of the second threaded rod, thereby driving the bearing plate to move.

[0043] When the above flash tester is adopted, the first moving block of the first lifting mechanism drives the lens on the support plate to move up and down, and the moving block of the second lifting mechanism drives the bearing plate to move up and down. On the basis of realizing the adjustment of the distance between the workpiece and the lens, the flexibility of the adjustment is improved, and the applicable range is expanded.

[0044] Furthermore, a limit plate is arranged between the moving block and the support plate, which can limit the distance between the support plate and the bearing plate, avoid the situation that the lens is damaged due to the extrusion between the lens and the workpiece, realize the anti-fooling of the device, and improve the reliability of the operation.

[0045] The above embodiments are only used to illustrate the technical concept and characteristics of the present invention. The purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly, and it cannot be used to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A flash detector, comprising: A workbench (1) and a housing (2) located on top of the workbench (1), characterized in that: a support plate (10) equipped with a main lens assembly (8) is provided above the workbench (1) and on the front side of the housing (2), and a first lifting mechanism arranged on the housing (2) is connected to the support plate (10) so that the support plate (10) moves up and down in the vertical direction; Below the support plate (10) and on the side wall of the housing (2), a second lifting mechanism with a moving block (13) is provided. A light source carrier plate (12) is installed on the upper surface of the moving block (13), and a limiting plate (14) is arranged between the moving block (13) and the support plate (10).

2. The flash tester according to claim 1, characterized in that: The second lifting mechanism includes: a second threaded rod (15) threadedly connected with the moving block (13), and a third motor (16). An upper limiting strip (6) and a lower limiting strip (7) are spaced apart on the front surface of the housing (2), and the second threaded rod (15) is rotatably installed between the upper limiting strip (6) and the lower limiting strip (7). A third motor (16) for driving the second threaded rod (15) to rotate is arranged at the bottom of the lower limiting strip (7).

3. The flash tester according to claim 2, wherein: A through hole (3) is formed in the upper limiting strip (6), and the limiting plate (14) installed on the side wall of the moving block (13) is slidably connected with the inner wall of the through hole (3).

4. The flash detector according to claim 2, wherein: A slide bar (17) is arranged between the upper limiting strip (6) and the lower limiting strip (7) and symmetrically arranged with respect to the second threaded rod (15), and the moving block (13) is slidably connected with the slide bar (17).

5. The flash detector according to claim 1, characterized in that: The first lifting mechanism includes: a threaded rod (5) threadedly connected with a first connecting block (19). The vertically arranged threaded rod (5) is rotatably installed on the right side wall of the housing (2), and the first connecting block (19) is fixedly connected with a first moving block (403). A first motor (4) for driving the threaded rod (5) to rotate is arranged at the top of the housing (2).

6. The flash tester according to claim 5, wherein: A second slide bar (18) with an outer wall slidably connected with a second connecting block (20) is installed on the left arm of the housing (2), and the second connecting block (20) is fixedly connected with the support plate (10).

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