Product flatness detection trolley
By designing a suspended probe and a micro motor-driven detection cart, the existing flatness detection methods are solved, and high-precision detection of the surface flatness of large devices is achieved, while reducing damage to the detector.
Patent Information
- Application Number
- CN202510198431.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-22
- Publication Date
- 2025-05-13
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing flatness detection methods have problems such as insufficient accuracy and great damage to the detecting object, especially when detecting large devices, it is difficult to achieve accurate detection of overall flatness, and it is easy to cause irreversible damage to the detecting object.
A product planarity detection car was designed, using suspended parts and micro motor-driven detection car. The suspension probe moves on the product surface to achieve multi-point detection of the product surface, reducing direct contact between the probe and the product, and reducing damage.
It improves the accuracy of planarity detection, reduces damage to the detectable object, and can more effectively detect the overall surface flatness of large devices.
Smart Images
Figure CN119984158A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of flatness detection, and in particular to a product flatness detection trolley. Background Art
[0002] A plane detector is mainly used to measure the flatness of a plane. Usually, products often have different planes during the manufacturing process, and there will be height differences between these different planes. In order to maintain the flatness of the product components during the subsequent assembly process, a plane detector is needed for measurement. The commonly used plane detector is a dial indicator or a micrometer. The plane detector is fixed on the mounting frame, and the probe of the plane detector is in contact with the surface of the object to be inspected. The reading here is read, and then the measuring point is changed and the reading is read again. After multi-point measurement, the data difference is observed to complete the flatness detection.
[0003] However, conventional methods of flatness detection have two drawbacks: first, they can only detect partial points, and it is difficult to accurately detect the overall surface flatness of large devices; second, during the detection process, it is easy to cause irreversible damage to the surface or edge of large devices, affecting their subsequent use. Summary of the invention
[0004] In order to improve the flatness detection accuracy and reduce damage to the detected object, the present application provides a product flatness detection trolley.
[0005] The product flatness detection vehicle provided in this application adopts the following technical solution: A product flatness inspection trolley comprises an inspection trolley, the inspection trolley comprises a base and a mounting frame, the mounting frame is fixedly arranged on the base, a plane detector is arranged on the mounting frame, a probe of the plane detector is vertically arranged and faces the inspection object, the plane detector comprises a detection body and a probe, the probe is slidably arranged in the detection body, the probe and the inspection object are in a separated state, a suspension is arranged on the mounting frame, the suspension is used to drive the bottom of the probe to separate from the inspection object and maintain a fixed distance, a driving wheel and a micro motor are arranged on the base, the micro motor is used to drive the driving wheel to rotate and drive the base to move to change the inspection point of the inspection object, and the base is located on one side of the inspection object and is in a separated state between the base.
[0006] Optionally, the suspension component includes an air compressor and a connecting pipe arranged on a mounting frame, a suspension groove is opened at the bottom of the probe toward the detection body, one end of the connecting pipe is arranged at the output end of the air compressor, and the other end is arranged on the connecting pipe and connected to the suspension groove, the air compressor compresses the air and transports it to the suspension groove through the connecting pipe, and the compressed air in the suspension groove is sprayed toward the detection object through the opening of the suspension groove to put the probe in a suspended state.
[0007] Optionally, a guide tube is provided in the suspension groove, the guide tube includes an open section and a vertical section, the vertical section is coaxially arranged at the bottom of the open section, the open section is fixedly arranged on the inner wall of the suspension groove and sealed with the inner wall of the suspension groove, the length direction of the guide tube is parallel to the length direction of the probe, and the compressed gas transported by the connecting tube passes through the guide tube and is ejected from the suspension groove in a vertical direction.
[0008] Optionally, the connecting pipe is bent into the suspension tank, the portion of the connecting pipe located in the suspension tank is in a vertical state, and the bent section of the connecting pipe is arc-shaped.
[0009] Optionally, a plurality of branch pipes are provided on the vertical section, the branch pipes are evenly arranged along the circumference of the vertical section, the branch pipes are connected to the vertical section, the other side of the branch pipes is located outside the probe, the branch pipes are inclined, one end of the branch pipes located outside the probe is the output end, the end connected to the branch pipes is the input end, and the distance between the input end and the detection object is greater than the distance between the output end and the detection object.
[0010] Optionally, a plurality of air outlet holes are formed on one side of the branch pipe located outside the probe, and the air outlet holes are located on a side wall of the branch pipe close to an adjacent branch pipe.
[0011] Optionally, it also includes a guide rail, which is annular and surrounds the inspection object, and the inspection trolley is slidably connected to the guide rail.
[0012] Optionally, the guide rail includes a straight section and an arc section, the straight section is spliced into shape and the arc section is spliced at the end of the straight section.
[0013] Optionally, the mounting frame is L-shaped, the vertical rod of the mounting frame is fixedly arranged on the base, the plane detector is fixedly arranged on the cross rod of the mounting frame, and the cross rod is a telescopic rod.
[0014] In summary, the present application includes at least one of the following beneficial technical effects: 1. When testing the flatness of a product, place the product on a flat table and place the testing trolley on one side of the product. The testing trolley and the product are separated. At this time, the probe of the plane detector falls on the product to be tested, and then the probe is suspended on the product to be tested through the suspension. At this time, the probe is stationary relative to the product and the distance with the product is consistent. Then the micro motor is started, and the micro motor drives the driving wheel to rotate. The driving wheel rotates to drive the testing trolley to move. When the testing trolley moves, the plane detector translates above the product. When the product surface has non-planar protrusions or depressions, the distance between the probe and the product surface changes. When the distance is reduced, the probe moves in the direction away from the product under the action of the suspension. The value change on the detection body feeds back the protrusion distance of the product. When the distance increases, the probe moves toward the direction of the product, and the digital feedback of the detection body feeds back the depression of the product, and the flatness of the product is tested. In the above testing process, the probe and the product are separated, thereby reducing the possibility of the probe moving and scratching the product; at the same time, the detection trolley moves to change the position of the plane detector, so that the product can be tested at multiple points, thereby improving the accuracy of the measurement. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the use of a product flatness detection vehicle in an embodiment of the present application; Figure 2 It is a schematic diagram of a detection trolley and a guide rail in a product flatness detection trolley in an embodiment of the present application; Figure 3 This is an overall schematic diagram of a product flatness detection vehicle according to an embodiment of the present application; Figure 4 It is a cross-sectional view of a probe in a product flatness detection trolley according to an embodiment of the present application; Figure 5 yes Figure 4 Enlarged schematic diagram of part A.
[0016] Explanation of the accompanying drawings: 1. Detection trolley; 11. Base; 12. Mounting frame; 2. Plane detector; 21. Detection body; 22. Probe; 3. Suspended part; 31. Air compressor; 32. Connecting pipe; 4. Driving wheel; 5. Micro motor; 6. Suspension groove; 7. Guide pipe; 71. Open section; 72. Vertical section; 8. Branch pipe; 9. Air outlet; 10. Guide rail; 101. Straight section; 102. Arc section; 13. Optical glass. DETAILED DESCRIPTION
[0017] The following is combined with Figure 1-5 This application is described in further detail.
[0018] The present application embodiment discloses a product flatness detection vehicle. Figure 1, Figure 2 and Figure 3 The product flatness inspection trolley includes an inspection trolley 1, which includes a base 11 and a mounting frame 12. The mounting frame 12 is fixedly arranged on the base 11. A plane detector 2 is arranged on the mounting frame 12. A probe 22 of the plane detector 2 is vertically arranged and faces the inspection object. The plane detector 2 includes a detection body 21 and a probe 22. The probe 22 is slidably arranged in the detection body 21. The probe 22 is in a separated state from the inspection object. A suspension 3 is arranged on the mounting frame 12. The suspension 3 is used to drive the bottom of the probe 22 to separate from the inspection object and maintain a fixed distance. A driving wheel 4 and a micro motor 5 are arranged on the base 11. The micro motor 5 is used to drive the driving wheel 4 to rotate and drive the base 11 to move to change the inspection point of the inspection object. The base 11 is located on one side of the inspection object and is in a separated state from the base 11.
[0019] When testing the flatness of a product, the product (optical glass 13) is placed on a flat table, and the testing trolley 1 is placed on one side of the product. The testing trolley 1 and the product are separated. At this time, the probe 22 of the plane detector 2 falls on the product to be tested, and then the probe 22 is suspended on the product to be tested by the suspension member 3. At this time, the probe 22 is stationary relative to the product and is at the same distance from the product. Then, the micro motor 5 is started, and the micro motor 5 drives the driving wheel 4 to rotate. The driving wheel 4 rotates to drive the testing trolley 1 to move. When the testing trolley 1 moves, the plane detector 2 translates above the product. When the product surface has non-planar protrusions or depressions, the probe 2 2 changes with the surface of the product. When the distance is reduced, the probe 22 moves away from the product under the action of the suspension 3, and the value change on the detection body 21 is fed back to the protrusion distance of the product. When the distance increases, the probe 22 moves toward the product, and the digital feedback of the detection body 21 is the depression of the product, and the flatness of the product is detected. In the above detection process, the probe 22 is separated from the product, thereby reducing the possibility of the probe 22 moving and scratching the product; at the same time, the detection trolley 1 moves to change the position of the plane detector 2, so that the product can be detected at multiple points, thereby improving the accuracy of the measurement.
[0020] Reference Figure 3 , Figure 4 and Figure 5In the embodiment of the present application, the suspension member 3 includes an air compressor 31 and a connecting pipe 32 fixedly arranged on the mounting frame 12. A suspension groove 6 is provided at the bottom of the probe 22 in the direction toward the detection body 21. One end of the connecting pipe 32 is arranged at the output end of the air compressor 31, and the other end is arranged on the connecting pipe 32 and communicated with the suspension groove 6. The air compressor 31 compresses the air and transports it to the suspension groove 6 through the connecting pipe 32. The compressed air in the suspension groove 6 is sprayed toward the detection object through the opening of the suspension groove 6 to put the probe 22 in a suspended state. After the probe 22 is located on the product, the air compressor 31 is started, and the air compressor 31 compresses the air and transports the compressed air to the suspension through the connecting pipe 32. In the float tank 6, the compressed air in the suspension tank 6 is sprayed onto the product. At this time, the compressed air exerts a force in the opposite direction on the probe 22, so that the probe 22 is in a suspended state, and the operation is simple and convenient; when the probe 22 moves to the non-planar part of the product, the position of the probe 22 and the facing point changes, resulting in the digestion of the force surface spacing. The spacing change will change the airflow behavior, thereby affecting the size and distribution of the reaction force. For example, when the spacing becomes smaller, the airflow channel becomes narrower. According to the Bernoulli principle and the continuity equation, the airflow velocity will increase. The increase in the airflow velocity will lead to an increase in the momentum of the downward jet, thereby generating a greater reaction force (lift), thereby causing the probe 22 to move upward; similarly, when the spacing increases, the probe 22 will move downward.
[0021] At the same time, after the compressed gas is sprayed on the product, the compressed gas removes impurities on the product, thereby reducing the impact on the detection and improving the detection accuracy.
[0022] Reference Figure 3 , Figure 4 and Figure 5 In order to adjust the direction of compressed gas injection so that the compressed gas is injected vertically onto the product, in the embodiment of the present application, a guide tube 7 is provided in the suspension groove 6. The guide tube 7 includes an open section 71 and a vertical section 72. The vertical section 72 is coaxially arranged at the bottom of the open section 71. The open section 71 is fixedly arranged on the inner wall of the suspension groove 6 and sealed with the inner wall of the suspension groove 6. The length direction of the guide tube 7 is parallel to the length direction of the probe 22. The compressed gas transported by the connecting pipe 32 passes through the guide tube 7 and is injected from the suspension groove 6 in the vertical direction. The compressed gas is injected in the vertical direction, so that the reverse thrust direction generated by the compressed gas is vertical, thereby putting the probe 22 in a suspended state; and under the action of the open section 71, the compressed gas is secondary guided so that the gas is injected from the vertical section 72, which facilitates the probe 22 to be in a suspended state.
[0023] Reference Figure 3 , Figure 4 and Figure 5In the embodiment of the present application, the connecting pipe 32 is bent to enter the suspension tank 6, the portion of the connecting pipe 32 located in the suspension tank 6 is in a vertical state, and the bent section of the connecting pipe 32 is arc-shaped.
[0024] Reference Figure 3 , Figure 4 and Figure 5 When the inspection trolley 1 moves, the air in the environment has a certain hindering effect on the ejected compressed air, which makes the direction of the ejected compressed gas easily affected. Therefore, in the embodiment of the present application, a plurality of branch pipes 8 are arranged on the vertical section 72, and the branch pipes 8 are evenly arranged along the circumference of the vertical section 72. The branch pipes 8 are connected to the vertical section 72, and the other side of the branch pipes 8 is located outside the probe 22. The branch pipes 8 are inclined, and the end of the branch pipes 8 located outside the probe 22 is the output end, and the end connected to the branch pipes 8 is the input end. The distance between the input end and the inspection object is greater than the distance between the output end and the inspection object; after the compressed gas enters the vertical section 72, part of the gas enters the branch pipe 8 and is ejected along the branch pipe 8 and ejected onto the product. The compressed gas ejected by the branch pipe 8 surrounds the compressed gas ejected by the probe 22, so that the compressed gas ejected by the probe 22 is always in the vertical direction.
[0025] Reference Figure 3 , Figure 4 and Figure 5 In order to improve the surrounding effect of the branch pipe 8 on the probe 22, a plurality of air outlet holes 9 are opened on one side of the branch pipe 8 located outside the probe 22, and the air outlet holes 9 are located on the side wall of the branch pipe 8 close to the adjacent branch pipe 8; the air in the branch pipe 8 is ejected through the air outlet holes 9 and surrounds the probe 22, thereby improving the surrounding effect of the compressed gas ejected from the probe 22 and further improving the suspension stability of the probe 22.
[0026] Reference Figure 1 and Figure 2 In order to facilitate the detection trolley 1 to run along the product more smoothly, it also includes a guide rail 10. The guide rail 10 is annular and surrounds the detection object. The detection trolley 1 is slidably connected to the guide rail 10; under the action of the guide rail 10, the travel direction of the detection trolley 1 is guided, so that the detection trolley 1 runs more smoothly, reducing the possibility of shaking of the plane detector 2 during the travel process, and improving the accuracy of the measurement data; at the same time, the detection trolley 1 is connected to the guide rail 10, which reduces the possibility of the detection trolley 1 tipping over.
[0027] Reference Figure 1 and Figure 2In the embodiment of the present application, the guide rail 10 includes a straight section 101 and an arc section 102. The straight section 101 is spliced and formed, and the arc section 102 is spliced at the end of the straight section 101. The straight section 101 includes a plurality of rod bodies with rectangular cross sections, one end of the rod body is provided with a plug-in rod, and the other end is provided with a plug-in interface for the plug-in rod to be plugged in, thereby completing the splicing of the straight section 101. Furthermore, the end face of the arc section 102 is provided with a rear plug-in interface for the plug-in rod to be plugged in. The straight section 101 is spliced and formed to adapt to products of different specifications, and is convenient for detecting the operation of the trolley 1.
[0028] Reference Figure 1 and Figure 2 In the embodiment of the present application, the mounting frame 12 is L-shaped, the vertical rod of the mounting frame 12 is fixedly set on the base 11, and the plane detector 2 is fixedly set on the cross bar of the mounting frame 12. The cross bar is a telescopic rod. The plane detector 2 is located at the telescopic end of the cross bar and the air compressor 31 is also located at the telescopic end of the cross bar. The cross bar is telescopic to adjust the lateral position of the plane detector 2, which further increases the detection range of the detection vehicle 1 and improves the detection accuracy.
[0029] The implementation principle of a product flatness detection vehicle in the embodiment of the present application is as follows: When testing the flatness of a product, the product is placed on a flat table, and the testing trolley 1 is placed on one side of the product. The testing trolley 1 and the product are separated. At this time, the probe 22 of the plane detector 2 falls on the product to be tested, and then the probe 22 is suspended on the product to be tested by the suspension member 3. At this time, the probe 22 is stationary relative to the product and is at the same distance from the product. Then the micro motor 5 is started, and the micro motor 5 drives the driving wheel 4 to rotate. The driving wheel 4 rotates to drive the testing trolley 1 to move. When the testing trolley 1 moves, the plane detector 2 translates above the product. When the product surface has non-planar protrusions or depressions, the probe 22 and the product are aligned. The distance between the probe 22 and the product surface changes. When the distance is reduced, the probe 22 moves in the direction away from the product under the action of the suspension 3, and the numerical value change on the detection body 21 is fed back to the protrusion distance of the product. When the distance increases, the probe 22 moves toward the product, and the digital feedback of the detection body 21 is the depression of the product, and the flatness of the product is detected. In the above detection process, the probe 22 is separated from the product, thereby reducing the possibility of the probe 22 moving and scratching the product; at the same time, the detection trolley 1 moves to change the position of the plane detector 2, so that the product can be detected at multiple points, thereby improving the accuracy of the measurement.
[0030] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A product flatness detection vehicle, characterized in that: The invention comprises a detection trolley (1), wherein the detection trolley (1) comprises a base (11) and a mounting frame (12), wherein the mounting frame (12) is fixedly arranged on the base (11), and a plane detector (2) is arranged on the mounting frame (12), wherein a probe (22) of the plane detector (2) is arranged vertically and faces the detection object, and wherein the plane detector (2) comprises a detection body (21) and a probe (22), wherein the probe (22) is slidably arranged in the detection body (21), and the probe (22) is slidably arranged in the detection body (21), and the probe (22) is slidably arranged in the detection body (21). The detection object is in a separated state, the mounting frame (12) is provided with a suspension member (3), the suspension member (3) is used to drive the bottom of the probe (22) to separate from the detection object and maintain a fixed distance, the base (11) is provided with a driving wheel (4) and a micro motor (5), the micro motor (5) is used to drive the driving wheel (4) to rotate and drive the base (11) to move to change the detection point of the detection object, and the base (11) is located on one side of the detection object and is in a separated state with the base (11).
2. A product flatness inspection vehicle according to claim 1, characterized in that: The suspension member (3) comprises an air compressor (31) and a connecting pipe (32) arranged on a mounting frame (12); a suspension groove (6) is provided at the bottom of the probe (22) in a direction facing the detection body (21); one end of the connecting pipe (32) is arranged at the output end of the air compressor (31); the other end is arranged on the connecting pipe (32) and communicates with the suspension groove (6); the air compressor (31) compresses air and transports the air to the suspension groove (6) through the connecting pipe (32); the compressed air in the suspension groove (6) is sprayed toward the detection object through the opening of the suspension groove (6) to put the probe (22) in a suspended state.
3. A product flatness inspection vehicle according to claim 2, characterized in that: A guide tube (7) is arranged in the suspension groove (6), the guide tube (7) comprising an open section (71) and a vertical section (72), the vertical section (72) being coaxially arranged at the bottom of the open section (71), the open section (71) being fixedly arranged on the inner wall of the suspension groove (6) and sealed with the inner wall of the suspension groove (6), the length direction of the guide tube (7) being parallel to the length direction of the probe (22), and the compressed gas transported by the connecting tube (32) passing through the guide tube (7) is ejected from the suspension groove (6) in a vertical direction.
4. A product flatness inspection vehicle according to claim 3, characterized in that: The connecting pipe (32) is bent to enter the suspension groove (6), the portion of the connecting pipe (32) located in the suspension groove (6) is in a vertical state, and the bent section of the connecting pipe (32) is in an arc shape.
5. A product flatness inspection vehicle according to claim 4, characterized in that: A plurality of branch pipes (8) are arranged on the vertical section (72), the branch pipes (8) are evenly arranged along the circumference of the vertical section (72), the branch pipes (8) are connected to the vertical section (72), the other side of the branch pipes (8) is located outside the probe (22), the branch pipes (8) are arranged obliquely, one end of the branch pipe (8) located outside the probe (22) is the output end, and the other end connected to the branch pipe (8) is the input end, and the distance between the input end and the detection object is greater than the distance between the output end and the detection object.
6. A product flatness inspection vehicle according to claim 5, characterized in that: A plurality of air outlet holes (9) are provided on one side of the branch pipe (8) located outside the probe (22), and the air outlet holes (9) are located on the side wall of the branch pipe (8) close to the adjacent branch pipe (8).
7. The product flatness inspection vehicle according to claim 1, characterized in that: It also comprises a guide rail (10), which is annular and surrounds the object to be inspected, and the inspection trolley (1) is slidably engaged with the guide rail (10).
8. The product flatness inspection vehicle according to claim 7, characterized in that: The guide rail (10) comprises a straight section (101) and an arc section (102); the straight section (101) is spliced into shape and the arc section (102) is spliced at the end of the straight section (101).
9. The product flatness inspection vehicle according to claim 1, characterized in that: The mounting frame (12) is L-shaped, the vertical rod of the mounting frame (12) is fixedly arranged on the base (11), and the plane detector (2) is fixedly arranged on the cross rod of the mounting frame (12), and the cross rod is a telescopic rod.