Image measuring device

Abstract

The utility model discloses an image measuring device which is located below a first fixing block and is provided with a second fixing block on the side wall of a mounting column, a vertically arranged threaded rod is rotatably connected between the first fixing block and the second fixing block, and the circumferential outer wall of the threaded rod is in threaded connection with a moving block. A first motor used for driving the threaded rod to rotate is arranged at the top of the first fixing block, a supporting plate provided with a far lens is arranged on one side of the mounting column, a fixing support is arranged between the moving block and the supporting plate, and a light source bearing plate is arranged on the portion, below the far lens, of the workbench. A front limiting block is connected between the two fixed supports, a rear limiting block is arranged on the side, opposite to the front limiting block, of the mounting column, and the two movable blocks are jointly connected with the rear limiting block. The image measuring device can be suitable for shooting and measuring different workpieces, the application range of the device is expanded, and the measurement accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of image measurement, and particularly relates to an image measurement device. Background Art

[0002] An image measuring instrument is a fast measurement device that combines new image measurement technology and has wide applications in multiple industries, including but not limited to industrial production, 3C electronics manufacturing, automobile manufacturing, machining, mold manufacturing, medical devices, and aerospace. It can achieve a measurement accuracy of micrometers, and the measurement speed reaches "second-level measurement", greatly improving production efficiency. The image measuring instruments in the prior art generally include a measuring device and a stage for placing workpieces, and the telecentric lens of the measuring device cooperates with a camera to take pictures and measure the workpieces.

[0003] However, the sizes of workpieces are different, and the telecentric lens is generally fixedly arranged. Only by adjusting the focal length of the telecentric lens, the image of the workpiece in the shooting area is too small or exceeds the shooting area, making it difficult to ensure that the image of the workpiece exactly fills the shooting area, resulting in poor clarity of the workpiece image and affecting the accuracy of subsequent measurements. Summary of the Invention

[0004] The purpose of the utility model is to provide an image measurement device, which can adapt to different workpieces for shooting and measurement, expands the application range of the device, and is beneficial to improving the measurement accuracy.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is: an image measurement device, including: a mounting column, two first fixing blocks are arranged at the top of the mounting column, a second fixing block is arranged on the side wall of the mounting column below the first fixing blocks, a vertically arranged threaded rod is rotatably connected between the first fixing block and the second fixing block, a moving block is threadedly connected to the outer circumferential wall of the threaded rod, a first motor for driving the threaded rod to rotate is arranged at the top of the first fixing block, a support plate with a telecentric lens installed is arranged on one side of the mounting column, and a fixing bracket is arranged between the moving block and the support plate.

[0006] The further improved schemes in the above technical scheme are as follows:

[0007] 1. In the above scheme, a front limiting block is connected between the two fixing brackets.

[0008] 2. In the above scheme, a rear limiting block is arranged on the side of the mounting column opposite to the front limiting block, and the two moving blocks are commonly connected to the rear limiting block.

[0009] 3. In the above scheme, a guide plate is arranged at the bottom of the rear limiting block.

[0010] 4. In the above solution, a bearing is provided between the threaded rod and the second fixing block.

[0011] 5. In the above solution, a main light source is provided on the lower surface of the support plate.

[0012] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0013] For the imaging measurement device of the utility model, a moving block is threadedly connected to the outer circumferential wall of the threaded rod. A first motor for driving the threaded rod to rotate is provided on the top of the first fixing block. A support plate equipped with a telephoto lens is provided on one side of the mounting column. A fixing bracket is provided between the moving block and the support plate. A light source carrier plate is provided on the workbench below the telephoto lens. The support plate equipped with the lens is connected to the moving block through the fixing bracket, and the first motor is used to drive the threaded rod to rotate, thereby driving the moving block to move in the vertical direction, which can drive the telephoto lens to move in the vertical direction and adjust the distance between the telephoto lens and the carrier plate, so as to adapt to different workpieces for shooting and measurement, expand the application range of the device, and is beneficial to improving the measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Attached Figure 1 is the overall structural schematic diagram of the imaging measurement device of the utility model from the first perspective;

[0015] Attached Figure 2 is the enlarged schematic diagram of part A of the utility model attached Figure 1 ;

[0016] Attached Figure 3 is the overall structural schematic diagram of the imaging measurement device of the utility model from the second perspective;

[0017] Attached Figure 4 is the partial structural schematic diagram of the imaging measurement device of the utility model.

[0018] In the above drawings: 1. Guide plate; 2. Mounting column; 3. Threaded rod; 4. Moving block; 5. Bearing; 6. Second fixing block; 7. Fixing bracket; 8. First fixing block; 9. Front limit block; 10. Main light source; 11. Support plate; 12. Telephoto lens; 13. Electric box; 15. Light source carrier plate; 16. First motor; 17. Rear limit block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The specific embodiments given below can further clearly understand this patent, but they do not limit this patent.

[0020] Embodiment 1: An imaging measurement device, comprising: a mounting post 2, at the top of the mounting post 2, there are provided two first fixing blocks 8, below the first fixing blocks 8 and on the side wall of the mounting post 2, there is provided a second fixing block 6, between the first fixing block 8 and the second fixing block 6, there is rotatably connected a vertically arranged threaded rod 3, and on the outer circumferential wall of this threaded rod 3, there is threadedly connected a moving block 4;

[0021] During use, place a small-sized workpiece on the surface of the light source carrier plate, then start the first motor to drive the threaded rod to rotate, the moving block moves in the vertical direction, and the two moving blocks moving in the vertical direction drive the movement of the fixed bracket, thereby driving the movement of the telephoto lens on the support plate, so that the distance between the telephoto lens and the light source carrier plate can be adjusted;

[0022] On the top of the first fixing block 8, there is provided a first motor 16 for driving the threaded rod 3 to rotate. On one side of the mounting post 2, there is provided a support plate 11 on which a telephoto lens 12 is installed, and between the moving block 4 and the support plate 11, there is provided a fixed bracket 7.

[0023] Start the electric box, the telephoto lens uses a large focal length lens in the prior art to ensure the measurement accuracy. The product image is magnified by the lens and then transmitted to the computer for digital processing. During this process, the light source provides illumination for the telephoto lens;

[0024] Between two of the above-mentioned fixed brackets 7, there is connected a front limit block 9; on the side of the above-mentioned mounting post 2 opposite to the front limit block 9, there is provided a rear limit block 17, and the two above-mentioned moving blocks 4 are jointly connected to the above-mentioned rear limit block 17.

[0025] At the bottom of the above-mentioned rear limit block 17, there is provided a guide plate 1.

[0026] Between the above-mentioned threaded rod 3 and the second fixing block 6, there is provided a bearing 5.

[0027] On the lower surface of the above-mentioned support plate 11, there is provided a main light source 10.

[0028] Embodiment 2: An imaging measurement device, comprising: a mounting post 2, at the top of the mounting post 2, there are provided two first fixing blocks 8, below the first fixing blocks 8 and on the side wall of the mounting post 2, there is provided a second fixing block 6;

[0029] Connect the support plate with the lens to the moving block through the fixed bracket, and drive the moving block to move in the vertical direction by driving the threaded rod to rotate through the first motor, which can drive the telephoto lens to move in the vertical direction, adjust the distance between the telephoto lens and the carrier plate, so as to adapt to different workpieces for shooting and measurement, expand the applicable range of the device, and is beneficial to improving the measurement accuracy;

[0030] A vertically arranged threaded rod 3 is rotatably connected between the first fixed block 8 and the second fixed block 6. A moving block 4 is threadedly connected to the outer circumferential wall of the threaded rod 3. A first motor 16 for driving the threaded rod 3 to rotate is provided at the top of the first fixed block 8. A support plate 11 with a telephoto lens 12 mounted thereon is provided on one side of the mounting post 2, and a fixed bracket 7 is provided between the moving block 4 and the support plate 11.

[0031] A front limit block 9 is connected between two of the above-mentioned fixed brackets 7; a rear limit block 17 is provided on the side of the above-mentioned mounting post 2 opposite to the front limit block 9, and the two above-mentioned moving blocks 4 are commonly connected to the above-mentioned rear limit block 17.

[0032] A main light source 10 is provided on the lower surface of the above-mentioned support plate 11.

[0033] An electric box 13 is provided at the upper end of the above-mentioned telephoto lens 12.

[0034] A receiving plate is provided between the above-mentioned support plate 11 and the fixed bracket 7.

[0035] The working principle is as follows:

[0036] During use, a small-sized workpiece is placed on the surface of the light source bearing plate, and then the first motor is started to drive the threaded rod to rotate. The moving block moves in the vertical direction, and the two moving blocks moving in the vertical direction drive the movement of the fixed bracket, thereby driving the movement of the telephoto lens on the support plate, so that the distance between the telephoto lens and the light source bearing plate can be adjusted.

[0037] The electric box is started. The telephoto lens uses a large focal length lens in the prior art to ensure the measurement accuracy. The product image is magnified by the lens and then transmitted to a computer for digital processing. During this process, the light source provides illumination for the telephoto lens.

[0038] When the above-mentioned image measuring device is adopted, the support plate with the lens mounted thereon is connected to the moving block through the fixed bracket, and the threaded rod is driven to rotate by the first motor to drive the moving block to move in the vertical direction, which can drive the telephoto lens to move in the vertical direction, adjust the distance between the telephoto lens and the bearing plate, so as to adapt to different workpieces for shooting and measurement, expand the application range of the device, and is beneficial to improving the measurement accuracy.

[0039] The above embodiments are only used to illustrate the technical concept and characteristics of the present invention, and their purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly, and 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. An image measuring device, comprising: The mounting column (2) is characterized in that: two first fixing blocks (8) are arranged on the top of the mounting column (2), a second fixing block (6) is arranged below the first fixing block (8) and on the side wall of the mounting column (2), a vertically arranged threaded rod (3) is rotatably connected between the first fixing block (8) and the second fixing block (6), a moving block (4) is threadedly connected to the circumferential outer wall of the threaded rod (3), a first motor (16) for driving the threaded rod (3) to rotate is arranged on the top of the first fixing block (8), a support plate (11) on which a telephoto lens (12) is installed is arranged on one side of the mounting column (2), and a fixing bracket (7) is arranged between the moving block (4) and the support plate (11).

2. The image measuring device according to claim 1, characterized in that: A front limit block (9) is connected between the two fixing brackets (7).

3. The image measuring device according to claim 2, characterized in that: A rear limit block (17) is provided on a side of the mounting column (2) opposite to the front limit block (9), and the two moving blocks (4) are commonly connected to the rear limit block (17).

4. The image measuring device according to claim 3, characterized in that: A guide plate (1) is provided at the bottom of the rear limit block (17).

5. The image measuring device according to claim 1, characterized in that: A bearing (5) is provided between the threaded rod (3) and the second fixing block (6).

6. The image measuring device according to claim 1, characterized in that: A main light source (10) is provided on the lower surface of the support plate (11).

Images