Image measuring instrument with gantry structure

Abstract

The utility model discloses an image measuring instrument with a gantry structure, which belongs to the technical field of precision measurement and industrial detection, is reasonable in structure, is provided with an X-axis portal frame, carries a Y-axis linear module and a Z-axis linear module according to the X-axis portal frame, and is matched with the effect of the X-axis linear module of the X-axis portal frame to form control in the X-axis direction, the Y-axis direction and the Z-axis direction. The camera and the measuring head are installed on the Z-axis linear module through the sliding block, so that in the measuring process of the camera and the measuring head, all-directional angle adjustment processing is carried out, and the situation that the measuring precision and flexibility are affected due to the fact that effective adjustment cannot be carried out or repeatability is too high is avoided as much as possible; meanwhile, the camera and the measuring head are located below the X-axis portal frame and used for capturing images and measurement data of a measured object, the high resolution and optical characteristics of the camera are used for directly influencing the measurement precision, uniform and constant illumination is provided in cooperation with the annular light source base, and the image quality is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of precision measurement and industrial detection, in particular to an image measuring instrument with a gantry structure. Background Art

[0002] The gantry-structured image measuring instrument is mainly used in the field of precision engineering, where the requirements for measurement accuracy and reliability are very high. It combines optical, mechanical, electronic and computing technologies, and uses high-resolution cameras and dedicated measurement software to perform non-contact size and shape measurements of the measured object. Due to the different sizes of the measured objects, the measured objects need to be constantly adjusted during the size and shape measurement process. It is impossible to make effective position adjustments, or the adjustment position is too repetitive. On the one hand, it is easy to cause errors in the size and shape measurement of the measured object, and on the other hand, it also affects the measurement efficiency of the measured object. At the same time, the measurement range and flexibility also directly affect the measurement accuracy of the measured object. The situation that cannot be effectively met directly affects the measurement efficiency and the accuracy of the measurement data.

[0003] Therefore, it is necessary to develop an image measuring instrument with a gantry structure. Utility Model Content

[0004] The utility model aims to provide an image measuring instrument with a gantry structure, which is provided with an X-axis gantry, and according to the effect of the X-axis linear module of the X-axis gantry itself, the Y-axis linear module and the Z-axis linear module are mounted on the X-axis gantry to form the control of the X-, Y-, and Z-axis directions. By installing the camera and the measuring head on the Z-axis linear module through a slider, the camera and the measuring head can be adjusted in all directions during the measurement process, and the situation that the measurement accuracy and flexibility are affected by the inability to effectively adjust or the excessive repetition is avoided as much as possible, so as to solve the problem of poor effect of the image measuring instrument proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: an image measuring instrument with a gantry structure, comprising a measuring workbench, an X-axis gantry is installed at the upper rear end of the measuring workbench, and a Z-axis linear module is installed at the center of the front end surface of the X-axis gantry;

[0006] A slider is installed at the lower part of the Z-axis linear module, and a camera is installed inside the slider.

[0007] Preferably, an operating table is installed at the top center of the measuring workbench, and a placement rack is installed on an outer wall of one side of the measuring workbench.

[0008] Preferably, Y-axis linear modules are installed on both sides of the bottom of the X-axis gantry.

[0009] Preferably, an annular light source seat is installed at the bottom end of the camera, and a fixing seat A is installed on one side of the outer wall of the camera.

[0010] Preferably, a mounting frame is installed below the outer wall of one side of the fixing seat A, and a processing head is installed at the bottom of the mounting frame.

[0011] Preferably, a fixing seat B is installed on the other side of the outer wall of the camera, and a measuring head is installed on one side outer wall of the fixing seat B.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] By providing an X-axis gantry, carrying a Y-axis linear module and a Z-axis linear module on the X-axis gantry, and coordinating the effect of the X-axis linear module of the X-axis gantry itself, the control of the X, Y, and Z-axis directions is formed. By installing the camera and the measuring head on the Z-axis linear module by a slider, it is possible to achieve all-round angle adjustment processing for the camera and the measuring head during the measurement process, and try to avoid the situation where the measurement accuracy and flexibility are affected by ineffective adjustment or excessive repetition. At the same time, the camera and the measuring head are located below the X-axis gantry to capture the image and measurement data of the object being measured, and the high resolution and optical characteristics of the camera are used to directly affect the measurement accuracy. The annular light source seat is used to provide uniform and constant lighting to ensure image quality, effectively improve the use effect of the image measuring instrument of the gantry structure, and directly and effectively improve the accuracy and flexibility of the image measuring instrument of the gantry structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional schematic diagram of the overall structure provided by the utility model;

[0015] Figure 2 A front view provided for the utility model;

[0016] Figure 3 A top view provided for the utility model;

[0017] Figure 4 The utility model provides Figure 1 A magnified view of the structure in Figure 2.

[0018] In the figure: 1. measuring workbench; 101. operating table; 102. placing frame; 2. X-axis gantry; 201. Z-axis linear module; 202. Y-axis linear module; 3. slider; 4. camera; 401. annular light source seat; 402. fixing seat A; 403. mounting frame; 404. processing head; 405. fixing seat B; 406. measuring head. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides the following technical solutions: an image measuring instrument with a gantry structure, see Figure 1-4 , including a measuring workbench 1, an operating table 101 is installed at the top center of the measuring workbench 1, a placing frame 102 is installed on the outer wall of one side of the measuring workbench 1, an X-axis gantry 2 is installed at the upper rear end of the measuring workbench 1, a Z-axis linear module 201 is installed at the front end center of the X-axis gantry 2, and Y-axis linear modules 202 are installed on both sides of the bottom of the X-axis gantry 2. According to the X-axis gantry 2 equipped with the Y-axis linear module 202 and the Z-axis linear module 201, the effect of the X-axis linear module of the X-axis gantry 2 itself is matched to form the control of the X-axis, Y-axis and Z-axis directions, so that the X-axis gantry 2 as a whole has the control operation of the X-axis, Y-axis and Z-axis directions. At the same time, the linear module is an existing mature technology and objectively exists, and is equipped with a lead screw transmission system to realize micro-stepping action to achieve extremely high positioning accuracy;

[0021] A slider 3 is installed at the lower part of the Z-axis linear module 201, and a camera 4 is installed inside the slider 3. The camera 4 is installed on the Z-axis linear module 201 by the slider 3, so that it can achieve all-round angle adjustment during the measurement process of the camera 4, and try to avoid the situation that the measurement accuracy and flexibility are affected by ineffective adjustment or excessive repetition. The bottom end of the camera 4 is installed with a ring light source holder 401, and the ring light source holder 401 is installed at the bottom end of the camera 4 to provide uniform and constant lighting to ensure image quality. At the same time, the camera 4 adopts high dynamic range HDR imaging technology and advanced image processing algorithms to optimize various surface characteristics, such as reflective or transparent Measuring capability, a fixing seat A402 is installed on one side of the outer wall of the camera 4, a mounting frame 403 is installed below the outer wall of one side of the fixing seat A402, a processing head 404 is installed at the bottom of the mounting frame 403, a fixing seat B405 is installed on the other side of the outer wall of the camera 4, a measuring head 406 is installed on the outer wall of one side of the fixing seat B405, the fixing seat A402 and the fixing seat B405 are assembled on the outer wall of the camera 4, and the two are fixed with fastening bolts, so that the fixing seat A402 and the fixing seat B405 are installed on the camera 4, after the fixing seat A402 and the fixing seat B405 are installed, the processing head 404 and the measuring head 406 can be installed.

[0022] Working principle: When using the utility model, the X-axis gantry 2 is equipped with the Y-axis linear module 202 and the Z-axis linear module 201, and the effect of the X-axis linear module of the X-axis gantry 2 itself is coordinated to form the control of the X, Y, and Z-axis directions, so that the X-axis gantry 2 as a whole has the control operation of the X, Y, and Z-axis directions. At the same time, the linear module is an existing mature technology and objectively exists. It is equipped with a lead screw transmission system to achieve micro-stepping action to achieve extremely high positioning accuracy. By installing the camera 4 on the Z-axis linear module 201 through the slider 3, it can achieve During the measurement of camera 4, all-round angle adjustment is performed to avoid situations where the camera cannot be adjusted effectively or there is too much repetition, which affects the measurement accuracy and flexibility. By installing a ring light source holder 401 at the bottom of camera 4, it provides uniform and constant lighting to ensure image quality. At the same time, camera 4 uses high dynamic range HDR imaging technology and advanced image processing algorithms to optimize the measurement capabilities of various surface characteristics, such as reflection or transparency. By assembling the fixing holder A402 and the fixing holder B405 on the outer wall of camera 4 and using a tight The two are fixed by bolts, so that the fixing seat A402 and the fixing seat B405 are installed on the camera 4. After the fixing seat A402 and the fixing seat B405 are installed, the processing head 404 and the measuring head 406 can be installed. When the equipment is operated, it is necessary to accurately calibrate the equipment through a calibration sheet of standard size before use to ensure the measurement accuracy. The workpiece to be measured is placed on the measuring workbench 1, and the appropriate measurement function is selected through the software according to the control panel. After the software records the first manual measurement steps, it is started. The control system can control the X-axis gantry 2 and the Y-axis linear module 202 and the Z-axis linear module 201 to move the camera 4 and the measuring head 406 below to the predetermined position. The annular light source seat is adjusted as needed and illuminated to ensure that the camera captures the image, and image analysis and size calculation processing are performed. After the measurement is completed, a measurement report is generated, including size data, tolerance analysis, etc. The user can directly view or export the data, which effectively improves the use effect of the image measuring instrument of the gantry structure, and also directly and effectively improves the accuracy and flexibility of the image measuring instrument of the gantry structure.

[0023] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An image measuring instrument with a gantry structure, comprising a measuring workbench (1), characterized in that: An X-axis gantry (2) is installed at the upper rear end of the measuring workbench (1), and a Z-axis linear module (201) is installed at the center position of the front end surface of the X-axis gantry (2); A slider (3) is installed at the lower part of the Z-axis linear module (201), and a camera (4) is installed inside the slider (3).

2. The image measuring instrument of a gantry structure according to claim 1, characterized in that: An operating table (101) is installed at the center of the top of the measuring workbench (1), and a placement rack (102) is installed on an outer wall of one side of the measuring workbench (1).

3. The image measuring instrument of a gantry structure according to claim 1, characterized in that: Y-axis linear modules (202) are installed on both sides of the bottom of the X-axis gantry (2).

4. The image measuring instrument of a gantry structure according to claim 1, characterized in that: An annular light source seat (401) is installed at the bottom end of the camera (4), and a fixing seat A (402) is installed on one side of the outer wall of the camera (4).

5. The image measuring instrument of a gantry structure according to claim 4, characterized in that: A mounting frame (403) is installed below one side outer wall of the fixing seat A (402), and a processing head (404) is installed at the bottom of the mounting frame (403).

6. The image measuring instrument of a gantry structure according to claim 1, characterized in that: A fixing seat B (405) is installed on the other side of the outer wall of the camera (4), and a measuring head (406) is installed on one side of the outer wall of the fixing seat B (405).

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