Sphere roundness detection device

By designing the sphere roundness detection device, the first pairing mechanism and the grating measuring mechanism are used to realize the automatic rotation and measurement of the sphere, the problems of low accuracy and complex operation of the traditional measurement methods are solved, and the accuracy and efficiency of measurement are improved.

CN119573600APending Publication Date: 2025-03-07TIANJIN INST OF PROD QUALITY SUPERVISION & TESTING TECH
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Patent Information

Application Number
CN202411815957.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-03-07

AI Technical Summary

Technical Problem

Traditional spherical roundness measurement methods have problems such as low accuracy and complex operation. They require a lot of manual operation, which is time-consuming and susceptible to human factors, and cannot meet the rapid and accurate measurement of the sphere.

Method used

A sphere roundness detection device is designed, including a first alignment mechanism and a grating measurement mechanism. Through precise mechanical design and dynamic alignment system, the sphere is automatically rotated and measured, ensuring that the sphere remains stable during rotation and avoid vibration and deformation.

Benefits of technology

It improves the accuracy and efficiency of measurement, reduces the impact of human error, realizes rapid and accurate detection of the roundness of the sphere, and reduces labor costs.

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Abstract

The invention discloses a sphere roundness detection device, the sphere roundness detection device comprises a first alignment mechanism and a grating measurement mechanism, the first alignment mechanism and the grating measurement mechanism are arranged on a box body at an interval, the first alignment mechanism drives a sliding block arranged on the box body to slide, the sliding block abuts against a supporting structure, and the supporting structure is arranged on the box body. A first rotating mechanism is arranged on the supporting structure, and the first rotating mechanism is connected with the second alignment mechanism through a transmission mechanism so that the second alignment mechanism can vertically rotate; an upper receiving disc is arranged on the second alignment mechanism and connected with the second rotating mechanism, a lower receiving disc is arranged at the end, away from the upper receiving disc, of the second alignment mechanism, a ball is clamped between the upper receiving disc and the lower receiving disc, the second rotating mechanism drives the ball to rotate horizontally, and the first alignment mechanism drives the ball to be close to the grating measuring mechanism so as to detect the roundness of the ball. According to the sphere roundness detection device provided by the invention, automation of the measurement process is realized, the influence of personal errors is reduced, and the measurement efficiency and stability are improved.
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Description

Technical Field

[0001] The invention belongs to the technical field of sphere roundness detection, and in particular relates to a sphere roundness detection device. Background Art

[0002] Roundness is the most important indicator of ball products. By developing roundness measuring devices, we can accurately measure the roundness of balls such as footballs, basketballs, and volleyballs, and timely discover and eliminate roundness defects of products, thereby improving product quality and reliability. The quality and consistency of ball products are crucial to the fairness of competition and the performance of athletes; the current principle of measuring the roundness of balls and spheres, common measurement methods include optical measurement, laser measurement, mechanical measurement, etc.

[0003] Traditional ball roundness measurement methods have problems such as low precision and complex operation. They require a lot of manual operation, are time-consuming and easily affected by human factors. They cannot meet the needs of fast and accurate measurement of balls such as footballs, basketballs, and volleyballs. They have low detection efficiency and high labor costs.

[0004] Therefore, it is urgent to design a sphere roundness detection device to solve the above-mentioned problem of sphere roundness measurement. Summary of the invention

[0005] In order to solve the problems mentioned in the background technology of the traditional ball roundness measurement method having low precision, complex operation, requiring a lot of manual operation, time-consuming and easily affected by human factors, a sphere roundness detection device is provided to solve the problem of ball roundness measurement.

[0006] To achieve the above purpose, the specific technical scheme of the sphere roundness detection device of the present invention is as follows: A sphere roundness detection device comprises a first alignment mechanism and a grating measuring mechanism, wherein the first alignment mechanism and the grating measuring mechanism are arranged on a box body at intervals, the first alignment mechanism drives a slider arranged on the box body to slide, the slider abuts against a supporting structure, a first rotating mechanism is arranged on the supporting structure, the first rotating mechanism is connected to a second alignment mechanism through a transmission mechanism, so that the second alignment mechanism rotates vertically; an upper receiving plate is arranged on the second alignment mechanism, the upper receiving plate is connected to the second rotating mechanism, a lower receiving plate is arranged at one end of the second alignment mechanism away from the upper receiving plate, a sphere is clamped between the upper receiving plate and the lower receiving plate, the second rotating mechanism drives the sphere to rotate horizontally, and the first alignment mechanism drives the sphere to approach the grating measuring mechanism, so as to detect the roundness of the sphere.

[0007] Furthermore, an upper clamping plate is connected to one end of the second rotating mechanism, a lower clamping plate is arranged on the lower receiving plate, a sphere is clamped between the upper clamping plate and the lower clamping plate, and the second rotating mechanism drives the upper clamping plate to rotate so that the sphere rotates 360 degrees in the horizontal direction.

[0008] Furthermore, the upper receiving plate and the lower receiving plate are both slidably arranged on the clamping mechanism, and a second alignment mechanism is provided on the clamping mechanism. The second alignment mechanism drives the upper receiving plate and the lower receiving plate to slide vertically so that the center line of the sphere and the grating measurement mechanism are located on the same straight line.

[0009] Furthermore, the first rotating mechanism is fixedly connected to the supporting structure, the transmission mechanism is connected to the clamping mechanism via a connecting flange, and the first rotating mechanism drives the clamping mechanism to rotate 360 ​​degrees in the vertical direction.

[0010] Furthermore, a support bearing is provided on the support structure, and one end of the transmission mechanism extends out of the first rotating mechanism and passes through the support bearing to be connected to the connecting flange.

[0011] Furthermore, the supporting structure is fixedly arranged on the sliding block, the sliding block is connected to the telescopic rod of the first alignment mechanism, and the first alignment mechanism drives the sliding block to move in the horizontal direction.

[0012] Furthermore, a touch control screen is provided on the box body, and the first alignment mechanism, the second alignment mechanism, the first rotation mechanism and the second rotation mechanism are driven by the touch control screen to perform automatic alignment or rotation.

[0013] Furthermore, a sensor bracket is vertically connected to the box body, and a grating measurement mechanism is fixedly connected to the sensor bracket.

[0014] Furthermore, the second alignment mechanism is provided with a transmission screw rod, which drives the upper receiving plate and the lower receiving plate to slide.

[0015] Furthermore, a force sensor is installed on the upper clamping plate to clamp balls of different sizes.

[0016] The sphere roundness detection device of the present invention has the following advantages: The first alignment mechanism is connected to the box body, and the first alignment mechanism drives the slider and the supporting structure to move horizontally, so that the mechanism moves in the horizontal direction, and drives the overall ball clamping device to move in the horizontal direction. The transmission mechanism is driven to rotate by the first rotating mechanism, thereby driving the second alignment mechanism and the ball to rotate, so that the ball rotates in three-dimensional space. The grating measurement mechanism performs all-round detection on the surface of the ball, and the grating measurement mechanism records the relevant values ​​of the ball to be measured. The clamping effect of this application is better. The precise mechanical design and dynamic alignment system ensure that the ball always remains stable during the rotation process, avoiding vibration and deformation, thereby improving the accuracy of the measurement and protecting the ball from damage; the automation of the measurement process is realized, the influence of human errors is reduced, and the measurement efficiency and stability are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the sphere roundness detection device of the present invention.

[0018] Description of the markings in the figure: 1. Box body; 2. Touch control screen; 3. First alignment mechanism; 4. Slider; 5. Support structure; 6. First rotating mechanism; 7. Transmission mechanism; 8. Support bearing; 9. Connecting flange; 10. Clamping mechanism; 11. Second alignment mechanism; 12. Upper receiving plate; 13. Lower receiving plate; 14. Upper clamping plate; 15. Lower clamping plate; 16. Second rotating mechanism; 17. Sensor bracket; 18. Grating measurement mechanism. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0020] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0021] Please refer to the attached Figure 1 The sphere roundness detection device of the present invention is described.

[0022] like Figure 1 As shown, the sphere roundness detection device in the present invention includes a first alignment mechanism 3 and a grating measuring mechanism 18, the first alignment mechanism 3 and the grating measuring mechanism 18 are arranged on the box body 1 at intervals, the first alignment mechanism 3 drives the slider 4 arranged on the box body 1 to slide, the slider 4 is abutted with a supporting structure 5, and the supporting structure 5 is provided with a first rotating mechanism 6, the first rotating mechanism 6 is connected to the second alignment mechanism 11 through a transmission mechanism 7, so that the second alignment mechanism 11 rotates vertically; the second alignment mechanism 11 is provided with an upper receiving plate 12, the upper receiving plate 12 is connected to the second rotating mechanism 16, the second alignment mechanism 11 is provided with a lower receiving plate 13 at one end away from the upper receiving plate 12, the sphere is clamped between the upper receiving plate 12 and the lower receiving plate 13, the second rotating mechanism 16 drives the sphere to rotate horizontally, and the first alignment mechanism 3 drives the sphere to approach the grating measuring mechanism 18 to detect the roundness of the sphere.

[0023] The first alignment mechanism 3 is connected to the box body 1, and the first alignment mechanism 3 drives the slider 4 and the supporting structure 5 to move horizontally, so that the mechanism moves in the horizontal direction, and drives the overall ball clamping device to move in the horizontal direction. The transmission mechanism 7 is driven to rotate by the first rotating mechanism 6, thereby driving the second alignment mechanism 11 and the ball to rotate, so that the ball rotates in three-dimensional space. The grating measuring mechanism 18 performs all-round detection on the surface of the ball, and the grating measuring mechanism 18 records the relevant values ​​of the ball to be measured. The clamping effect of this application is better. The precise mechanical design and dynamic alignment system ensure that the ball always remains stable during the rotation process, avoiding vibration and deformation, thereby improving the accuracy of the measurement and protecting the ball from damage; the automation of the measurement process is realized, the influence of human errors is reduced, and the measurement efficiency and stability are improved.

[0024] Further, if Figure 1 As shown, one end of the second rotating mechanism 16 is connected to an upper clamping plate 14, and a lower clamping plate 15 is arranged on the lower receiving plate 13. The sphere is clamped between the upper clamping plate 14 and the lower clamping plate 15, and the second rotating mechanism 16 drives the upper clamping plate 14 to rotate so that the sphere rotates 360 degrees in the horizontal direction; the upper receiving plate 12 and the lower receiving plate 13 are both slidably arranged on the clamping mechanism 10, and the clamping mechanism 10 is provided with a second alignment mechanism 11, and the second alignment mechanism 11 drives the upper receiving plate 12 and the lower receiving plate 13 to slide vertically so that the center line of the sphere and the grating measuring mechanism 18 are located on the same straight line; the first rotating mechanism 6 is fixedly connected to the supporting structure 5, and the transmission mechanism 7 is connected to the clamping mechanism 10 through the connecting flange 9, and the first rotating mechanism 6 drives the clamping mechanism 10 to rotate 360 ​​degrees in the vertical direction.

[0025] In this embodiment, preferably, an upper splint 14 is hinged on one end of the second rotating mechanism 16, and a lower splint 15 is hinged on the lower receiving plate 13, the upper splint 14 and the lower splint 15 are located on the same straight line, a sphere is clamped between the upper splint 14 and the lower splint 15, and the ends of the upper splint 14 and the lower splint 15 that are in contact with the sphere are arranged in an arc shape so that the sphere is stably clamped between the upper splint 14 and the lower splint 15, and the second rotating mechanism 16 drives the upper splint 14 to rotate, and the lower splint 15 moves with it, so that the sphere can achieve a 360-degree rotation in the horizontal direction.

[0026] Preferably, the upper receiving plate 12 and the lower receiving plate 13 are both slidably arranged on the clamping mechanism 10, and a second alignment mechanism 11 is provided on the top of the clamping mechanism 10. The second alignment mechanism 11 drives the upper receiving plate 12 and the lower receiving plate 13 to slide vertically along the length direction of the clamping mechanism 10 so that the center line of the sphere to be detected and the grating measurement mechanism 18 are on the same straight line.

[0027] The first rotating mechanism 6 is fixedly connected to the supporting structure 5. A transmission mechanism 7 is provided at one end of the first rotating mechanism 6. The transmission mechanism 7 is connected to the clamping mechanism 10 through a connecting flange 9. The first rotating mechanism 6 drives the clamping mechanism 10 to rotate 360 ​​degrees in the vertical direction so that the sphere to be detected rotates 360 degrees in the vertical direction.

[0028] Preferably, the first rotating mechanism 6 drives the transmission mechanism 7 to rotate by rotating the motor, thereby driving the clamping mechanism 10 and the ball to rotate, so as to realize the rotation of the ball in the vertical direction.

[0029] Further, if Figure 1 As shown, a support bearing 8 is provided on the support structure 5, and the transmission mechanism 7 extends out of one end of the first rotating mechanism 6 and passes through the support bearing 8 to be connected with the connecting flange 9; the support structure 5 is fixedly arranged on the slider 4, and the slider 4 is connected to the telescopic rod of the first alignment mechanism 3, and the first alignment mechanism 3 drives the slider 4 to move in the horizontal direction; a touch control screen 2 is provided on the box body 1, and the first alignment mechanism 3, the second alignment mechanism 11, the first rotating mechanism 6 and the second rotating mechanism 16 are driven by the touch control screen 2 to perform automatic alignment or rotation.

[0030] In this embodiment, a support bearing 8 is fixedly provided on the upper surface of the support structure 5, and the transmission mechanism 7 extends out of one end of the first rotating mechanism 6 and passes through the support bearing 8 to be connected to the connecting flange 9; the support structure 5 is fixedly set on the slider 4, and the slider 4 is connected to the telescopic rod of the first alignment mechanism 3. The first alignment mechanism 3 drives the slider 4 to move in the horizontal direction, thereby adjusting the distance between the sphere to be detected and the grating measurement mechanism 18.

[0031] Preferably, the lower surface of the first alignment mechanism 3 is connected to the base plate, and the ball screw is driven to rotate by a motor. The ball screw drives the telescopic rod to drive the slider 4 and the supporting structure 5 to move horizontally, so that this mechanism can move in the horizontal direction, and drive the overall sphere clamping device to move in the horizontal direction, so that the surface of the sphere and the grating measuring mechanism 18 are horizontally approached, and the relevant values ​​of the sphere to be measured are recorded by the grating measuring mechanism 18.

[0032] The slider 4 is connected to a telescopic rod driven by a ball screw, and the upper surface is connected to a support structure 5. When the slider 4 moves, the support structure 5 is driven to move horizontally.

[0033] A touch control screen 2 is provided on the box 1, and the first alignment mechanism 3, the second alignment mechanism 11, the first rotation mechanism 6 and the second rotation mechanism 16 are driven by the touch control screen 2 to automatically align or rotate the ball to be detected; the box 1 contains the equipment control circuit assembly system; display and touch control, by setting the equipment program, realize the automatic measurement of the equipment, automatic data result analysis, data storage and other functions.

[0034] Preferably, the second rotating mechanism 16 drives the upper clamping plate 14 to rotate via a motor, thereby driving the sphere to rotate 360 ​​degrees in the horizontal direction.

[0035] Further, if Figure 1 As shown, a sensor bracket 17 is vertically connected to the box body 1, and a grating measuring mechanism 18 is fixedly connected to the sensor bracket 17; the second alignment mechanism 11 is provided with a transmission screw, which drives the upper receiving plate 12 and the lower receiving plate 13 to slide; the upper clamping plate 14 is installed with a force sensor to clamp spheres of different sizes.

[0036] In this embodiment, a sensor bracket 17 is vertically and fixedly connected to the box body 1, and a grating measuring mechanism 18 is fixedly connected to the sensor bracket 17; the second alignment mechanism 11 is provided with a transmission screw, which drives the upper receiving plate 12 and the lower receiving plate 13 to slide; the upper clamping plate 14 is installed with a force sensor, and spheres of different sizes are clamped according to changes in the force sensor data.

[0037] The grating measuring mechanism 18 contacts the sphere through precise mechanical design and uses the precise measuring principle of the grating to capture the shape and size information of the sphere in real time. This design ensures the accuracy of the measurement results and avoids the errors that may exist in traditional measurement methods.

[0038] As a preferred embodiment: the measurement process of the computer control system includes the following steps: 1. Select the measuring point: The computer control system automatically selects the measuring point according to the preset program; 2. Rotation angle: The system controls the rotating mechanism to rotate the sphere to the specified angle for measurement; 3. Measurement and recording: Measure at each measuring point and record the data; 4. Repeated measurement: As needed, the system can control the sphere to rotate and measure multiple times to improve measurement accuracy.

[0039] The computer control system will measure at multiple measuring points according to the preset program, such as 32 points (spatial points) for basketball, 40 points (spatial points) for volleyball and handball, and 30 points (spatial points) for football. By comparing the measurement results of different measuring points, the system can evaluate the roundness of the sphere; this automated evaluation method not only improves the accuracy of the evaluation, but also reduces the impact of human error.

[0040] The working steps of the sphere roundness detection device of this application are as follows: First, the second alignment mechanism 11 drives the upper receiving plate 12 and the lower receiving plate 13 to move away from each other, and the ball to be detected is placed on the lower clamping plate 15, and the upper receiving plate 12 and the lower receiving plate 13 are driven to move closer, and the upper clamping plate 14 and the lower clamping plate 15 clamp the ball to be detected, and the first alignment mechanism 3 drives the slider 4 to move, so that the ball to be detected is close to the grating measurement mechanism 18; Then, the first rotating mechanism 6 drives the clamping mechanism 10 to rotate, thereby driving the ball to be detected to rotate 360 ​​degrees in the vertical direction, and the grating measuring mechanism 18 detects the roundness of the vertical spherical surface of the ball to be detected; Finally, the second rotating mechanism 16 drives the upper clamping plate 14 to rotate, thereby driving the ball to be detected to rotate 360 ​​degrees in the horizontal direction, and the grating measuring mechanism 18 detects the roundness of the spherical surface of the ball to be detected in the horizontal direction.

[0041] Based on the fact that the sphere roundness detection device is connected to the box body 1 through the first alignment mechanism 3, the first alignment mechanism 3 drives the slider 4 and the supporting structure 5 to move horizontally, so that this mechanism moves in the horizontal direction, and drives the overall sphere clamping device to move in the horizontal direction, and drives the transmission mechanism 7 to rotate through the first rotating mechanism 6, thereby driving the clamping mechanism 10 and the sphere to rotate, so that the sphere rotates in three-dimensional space, and the grating measuring mechanism 18 performs all-round detection on the surface of the sphere, and the grating measuring mechanism 18 records the relevant values ​​of the sphere to be measured. The clamping effect of this application is better, and the precise mechanical design and dynamic alignment system ensure that the sphere always remains stable during the rotation process, avoiding vibration and deformation, thereby improving the accuracy of the measurement, and protecting the sphere from damage; the automation of the measurement process is realized, the influence of human errors is reduced, and the measurement efficiency and stability are improved.

[0042] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A sphere roundness detection device, characterized in that: It comprises a first alignment mechanism and a grating measuring mechanism, which are arranged on a box body at intervals, the first alignment mechanism drives a slider arranged on the box body to slide, the slider abuts against a supporting structure, a first rotating mechanism is arranged on the supporting structure, and the first rotating mechanism is connected to the second alignment mechanism through a transmission mechanism, so that the second alignment mechanism rotates vertically; The second alignment mechanism is provided with an upper receiving plate, which is connected to the second rotating mechanism. A lower receiving plate is provided at one end of the second alignment mechanism away from the upper receiving plate. A sphere is clamped between the upper receiving plate and the lower receiving plate. The second rotating mechanism drives the sphere to rotate horizontally, and the first alignment mechanism drives the sphere to approach the grating measuring mechanism to detect the roundness of the sphere.

2. The sphere roundness detection device according to claim 1, characterized in that: One end of the second rotating mechanism is connected to an upper clamping plate, and a lower clamping plate is arranged on the lower receiving plate. A sphere is clamped between the upper clamping plate and the lower clamping plate. The second rotating mechanism drives the upper clamping plate to rotate so that the sphere rotates 360 degrees in the horizontal direction.

3. The sphere roundness detection device according to claim 1, characterized in that: The upper receiving plate and the lower receiving plate are both slidably arranged on the clamping mechanism, and the clamping mechanism is provided with a second alignment mechanism, which drives the upper receiving plate and the lower receiving plate to slide vertically so that the center line of the sphere and the grating measurement mechanism are located on the same straight line.

4. The sphere roundness detection device according to claim 1, characterized in that: The first rotating mechanism is fixedly connected to the supporting structure, the transmission mechanism is connected to the clamping mechanism through a connecting flange, and the first rotating mechanism drives the clamping mechanism to rotate 360 ​​degrees in the vertical direction.

5. The sphere roundness detection device according to claim 4, characterized in that: A supporting bearing is arranged on the supporting structure, and one end of the transmission mechanism extending out of the first rotating mechanism passes through the supporting bearing and is connected with the connecting flange.

6. The sphere roundness detection device according to claim 5, characterized in that: The supporting structure is fixedly arranged on the sliding block, the sliding block is connected with the telescopic rod of the first alignment mechanism, and the first alignment mechanism drives the sliding block to move in the horizontal direction.

7. The sphere roundness detection device according to claim 1, characterized in that: A touch control screen is arranged on the box body, and the first alignment mechanism, the second alignment mechanism, the first rotation mechanism and the second rotation mechanism are driven by the touch control screen to perform automatic alignment or rotation.

8. The sphere roundness detection device according to claim 7, characterized in that: A sensor bracket is vertically connected to the box body, and a grating measuring mechanism is fixedly connected to the sensor bracket.

9. The sphere roundness detection device according to claim 3, characterized in that: The second alignment mechanism is provided with a transmission screw rod, and the transmission screw rod drives the upper receiving plate and the lower receiving plate to slide.

10. The sphere roundness detection device according to claim 2, characterized in that: The upper clamping plate is equipped with a force sensor to clamp balls of different sizes.

Citation Information

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