Laboratory size automatic measuring device
By designing the laboratory dimension automatic measurement device, using a six-axis robot and a three-dimensional vision system, a high-precision and automated measurement of various parts is achieved, solving the problems of large measurement errors and low efficiency in the prior art.
Patent Information
- Application Number
- CN202420773368.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-15
AI Technical Summary
In the prior art, measurement tools are used to detect the size of the sample-delivered product or R&D sample with large errors, and the number of samples requires repeated measurements, resulting in large workload, and low measurement efficiency, which is prone to errors.
Design a laboratory size automatic measurement device, using a six-axis robot, a three-dimensional vision system and a trigger probe system, and install the parts to be tested by measuring the tooling, setting the program path once to be measured, achieving high-precision and automated three-dimensional detection.
It realizes high-precision and automated measurement of various parts, reduces manual participation, improves measurement efficiency and accuracy, and reduces errors and workloads.
Smart Images

Figure CN222689091U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of measurement, and in particular relates to an automatic laboratory size measuring device. Background Art
[0002] During the production and R&D process of manufacturing enterprises, some samples or R&D samples need to be inspected for size. In existing inspections, measuring tools are usually used for measurement, which has large errors, many samples, and requires repeated measurements, resulting in a large workload. At the same time, for the convenience of management, the measurement data needs to be digitized, the measurement efficiency is low, and the measurement and input process is prone to errors and errors, which have a great impact on the measurement results. In order to improve efficiency, reduce manual participation and improve accuracy, it is necessary to automate some workpiece size inspection processes. Utility Model Content
[0003] In order to overcome the above-mentioned deficiencies, the inventor of the utility model has continuously reformed and innovated through long-term exploration and attempts, multiple experiments and efforts, and proposed a laboratory automatic dimension measuring device, which uses measuring tooling to install the parts to be measured. It only needs to set a program path for a part once, and it can measure the part multiple times. It only needs to replace the part to be measured to achieve repeated high-precision measurement. Multiple measuring tooling can be arranged around the six-axis robot for different types of parts. Tooling in different positions can measure multiple parts without changing tooling, realizing flexible layout, intelligent recognition, and fully automatic three-dimensional detection and measurement functions.
[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a laboratory dimension automatic measuring device. It includes a measuring workbench, a six-axis robot, a three-dimensional vision system, a trigger probe system and a measuring system. The six-axis robot is installed on the measuring workbench, and the three-dimensional vision system and the trigger probe system are installed at the end of the six-axis robot system, and the three-dimensional vision system and the trigger probe system are installed in the same direction. A measuring tool is arranged on the measuring workbench within the motion range of the six-axis robot, and the measuring system is electrically connected to the six-axis robot, the three-dimensional vision system, and the trigger probe system.
[0005] According to the laboratory dimension automatic measuring device described in the utility model, a further preferred technical solution is: there is at least one measuring tool, which is arranged around the six-axis robot, and tools corresponding to different types of parts are installed at different positions.
[0006] According to the laboratory dimension automatic measuring device described in the utility model, a further preferred technical solution is: the measuring workbench adopts a rock plate, and a matrix formed by positioning points or positioning holes is arranged on the rock plate.
[0007] According to the automatic laboratory dimension measuring device described in the utility model, a further preferred technical solution is that the measuring workbench and the measuring tool are provided with mounting holes, and screws pass through the mounting holes to fix the measuring tool.
[0008] According to the laboratory automatic dimension measuring device described in the utility model, a further preferred technical solution is: the three-dimensional vision system and the trigger probe system respectively use a three-dimensional scanning head and a contact probe, and the contact probe is arranged vertically downward.
[0009] According to the laboratory dimension automatic measuring device described in the utility model, a further preferred technical solution is: the three-dimensional scanning head is installed at the end of the six-axis robot through a bracket, and an operating distance of the contact probe is reserved between the three-dimensional scanning head and the contact probe.
[0010] According to the laboratory automatic dimension measuring device described in the utility model, a further preferred technical solution is that the probe of the contact probe completely exceeds the lowermost end of the three-dimensional scanning head.
[0011] According to the laboratory dimension automatic measuring device described in the utility model, a further preferred technical solution is: the spatial accuracy of the six-axis robot is 0.04mm, and the measuring radius range is 1300mm.
[0012] According to the laboratory dimension automatic measuring device described in the utility model, a further preferred technical solution is that it is equipped with an operating table, the operating table is a computer, a measuring system is installed in the computer, and the measuring system is connected to the host computer through a network cable.
[0013] According to the laboratory dimension automatic measuring device described in the utility model, a further preferred technical solution is: physical buttons for pause, emergency stop and re-zeroing are arranged on the operating table.
[0014] Compared with the prior art, the technical solution of the utility model has the following advantages / benefits:
[0015] 1. Use measuring fixtures to install the parts to be tested. You only need to set the program path for one part once, and you can measure the part multiple times. You only need to replace the part to be tested to achieve repeated high-precision measurement. Multiple measuring fixtures can be arranged around the six-axis robot for different types of parts. Fixtures in different positions can measure multiple parts without changing the fixture, realizing flexible layout, intelligent recognition, and fully automatic three-dimensional detection and measurement functions.
[0016] 2. The measurement system is connected to the host computer, and the measurement results can be directly transmitted to the host computer. The data of the measurement software can be easily connected and communicated with the host computer, and various types of measurements can be flexibly performed. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 The utility model is a structural schematic diagram of an automatic laboratory dimension measuring device.
[0019] Figure 2 The utility model is a side structural schematic diagram of an automatic laboratory dimension measuring device.
[0020] The markings in the figure are: 1. Measuring workbench 2. Six-axis robot 3. Three-dimensional vision system 4. Trigger probe system 5. Measuring tooling. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme in the implementation mode of the utility model is clearly and completely described below. Obviously, the described implementation mode is a part of the implementation mode of the utility model, not all of the implementation modes. Based on the implementation mode of 3 in the utility model, all other implementation modes obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the detailed description of the implementation mode of the utility model provided below is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected implementation mode of the utility model.
[0022] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and thus, once an item is defined in one drawing, it may not be further defined or explained in the subsequent drawings.
[0023] Example:
[0024] like Figure 1-Figure 2As shown, a laboratory dimension automatic measuring device comprises a measuring workbench 1, a six-axis robot 2, a three-dimensional vision system 3, a trigger probe system 4 and a measuring system, wherein the six-axis robot 2 is mounted on the measuring workbench 1, the three-dimensional vision system 3 and the trigger probe system 4 are mounted at the end of the six-axis robot 2 system, and the three-dimensional vision system 3 and the trigger probe system 4 are assembled in a consistent orientation, a measuring fixture 5 is arranged on the measuring workbench 1 within the motion range of the six-axis robot 2, the measuring system is electrically connected to the six-axis robot 2, the three-dimensional vision system 3 and the trigger probe system 4, and the measuring system controls the six-axis robot 2 to run according to a set program, and simultaneously records the detection data of the three-dimensional vision system 3 and the trigger probe system 4.
[0025] There is at least one measuring tool 5 which is arranged around the six-axis robot 2 , and tools 5 corresponding to different types of parts are installed at different positions. The measuring tool 5 is preferably arranged in a roughly circular layout to maximize the use of the space around the six-axis robot 2 .
[0026] The measuring workbench 1 is made of a rock plate, on which a matrix of positioning points or positioning holes is arranged, and the matrix can be used to accurately install the position of the measuring tool 5.
[0027] The measuring workbench 1 and the measuring fixture 5 are provided with mounting holes, and screws are passed through the mounting holes to fix the measuring fixture 5, that is, the measuring fixture 5 is detachably mounted, and may be other forms of mounting and fixing structures.
[0028] The three-dimensional vision system 3 and the trigger probe system 4 respectively use a three-dimensional scanning head and a contact probe. The contact probe is vertically arranged downward, which can accurately ensure that the side head descends and contacts the component to be measured in the initial stage, and also facilitates the action logic of side movement contact.
[0029] The three-dimensional scanning head is installed at the end of the six-axis robot 2 through a bracket, and an operating distance of the contact probe is reserved between the three-dimensional scanning head and the contact probe, that is, the three-dimensional scanning head and the contact probe do not interfere with each other.
[0030] The probe of the contact probe completely exceeds the lowermost end of the three-dimensional scanning head, so that the probe has sufficient length to ensure that the scanning distance of the three-dimensional scanning head is not affected when the probe is working.
[0031] The spatial accuracy of the six-axis robot 2 is 0.04 mm, and the measurement radius range is 1300 mm. The measurement accuracy and range can be improved according to requirements.
[0032] It is equipped with an operating table, which is a computer. A measuring system is installed in the computer. The measuring system is connected to a host computer via a network cable, and the measured data is transmitted to the host computer for recording.
[0033] Physical buttons for pause, emergency stop and reset are set on the operating console to facilitate operation and enhance safety.
[0034] Directions:
[0035] 1. Preliminary preparation
[0036] 1) Each product must have a corresponding tooling, and each tooling must be fixed to a fixed position on the testing platform.
[0037] 2) Take a product and place it on the tooling. Consider how to regulate it according to the different elements to be measured.
[0038] Draw the robot's motion trajectory.
[0039] 3) Set up the corresponding program on the measurement system (measurement software) to display and output the measurement results, etc.
[0040] 4) Execute the program motion completely, confirm that the program is correct, and save it as A.
[0041] 2. Automated measurement
[0042] 1) Manually place a new product A1 on the tooling and check that it is fixed.
[0043] 2) Select the corresponding program A on the screen (system prefabricated A point size and measurement program) and click Execute.
[0044] 3) The measuring robot will automatically run according to the previous program and obtain data results.
[0045] 4) After completing the A1 measurement, you can switch to the next product A2 for automatic measurement in the same way.
[0046] 3. Other possible situations during the measurement process
[0047] 1) It can be made into physical buttons, such as pause, emergency stop, reset, etc.
[0048] At the same time, it is equipped with corresponding measuring tools and measurement plans for part B. When measuring, you only need to select different measurement plans. The six-axis robot can move the probe to the specified position for measurement and automatically generate an electronic measurement report, avoiding the current problems of inaccurate large-scale measurements and cumbersome operations in laboratories, and realizing automated small-batch automatic measurement and record generation.
[0049] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0050] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0051] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0052] The above are only preferred embodiments of the present invention. It should be noted that the above preferred embodiments should not be regarded as limiting the present invention. The protection scope of the present invention should be based on the scope defined by the claims. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the spirit and scope of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A laboratory size automatic measuring device, characterized in that: It includes a measuring workbench, a six-axis robot, a three-dimensional vision system, a trigger probe system and a measuring system. The six-axis robot is installed on the measuring workbench, and the three-dimensional vision system and the trigger probe system are installed at the end of the six-axis robot system, and the three-dimensional vision system and the trigger probe system are assembled in a consistent orientation. A measuring tool is arranged on the measuring workbench within the motion range of the six-axis robot. The measuring system is electrically connected to the six-axis robot, the three-dimensional vision system and the trigger probe system. The measuring workbench adopts a rock plate, and a matrix formed by positioning points or positioning holes is arranged on the rock plate. The matrix is used to accurately install the position of the measuring tool.
2. The automatic laboratory dimension measuring device according to claim 1, characterized in that: There is at least one measuring tool, which is arranged around the six-axis robot, and tools corresponding to different types of parts are installed at different positions.
3. The automatic laboratory dimension measuring device according to claim 2, characterized in that: The measuring workbench and the measuring tool are provided with mounting holes, and screws pass through the mounting holes to fix the measuring tool.
4. The automatic laboratory dimension measuring device according to claim 1, characterized in that: The three-dimensional vision system and the trigger probe system respectively use a three-dimensional scanning head and a contact probe, and the contact probe is arranged vertically downward.
5. The automatic laboratory dimension measuring device according to claim 4, characterized in that: The three-dimensional scanning head is installed at the end of the six-axis robot through a bracket, and an operating distance of the contact probe is reserved between the three-dimensional scanning head and the contact probe.
6. The automatic laboratory dimension measuring device according to claim 5, characterized in that: The probe of the contact probe completely exceeds the lowermost end of the three-dimensional scanning head.
7. The automatic laboratory dimension measuring device according to claim 1, characterized in that: The six-axis robot has a spatial accuracy of 0.04 mm and a measuring radius range of 1300 mm.
8. The automatic laboratory dimension measuring device according to claim 1, characterized in that: It is equipped with an operating table, which is a computer. The measuring system is installed in the computer, and the measuring system is connected to the host computer through a network cable.
9. The automatic laboratory dimension measuring device according to claim 1, characterized in that: Set physical buttons for pause, emergency stop and reset to zero on the operating console.