High-precision torsion spring angle detection equipment

By designing a high-precision torsion spring angle detection device, a 20-megapixel detection camera and a flexible vibration disc combined with a robotic arm grab clip, the existing equipment is solved, and high-precision and efficient torsion spring angle detection is achieved.

CN223145353UActive Publication Date: 2025-07-25LIZHOU QINGDAO HARDWARE SPRING CO LTD
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Patent Information

Application Number
CN202421938803.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-07-25
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

The accuracy of existing torsion spring angle detection equipment cannot meet the strict tolerance requirements of ±2°, and the detection efficiency is low.

Method used

A high-precision torsion spring angle detection device including automatic loading equipment and detection equipment is designed, using a 20-megapixel detection camera and flexible vibration disc with a robotic arm grab clip to achieve high-precision angle measurement.

Benefits of technology

It improves detection efficiency by 60%, improves detection accuracy, can meet the tolerance requirements of ±2°, and supports the detection of different types of springs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223145353U_ABST
Patent Text Reader

Abstract

The utility model discloses a high-precision torsion spring angle detection device, which comprises an automatic feeding device and a detection device, the automatic feeding device comprises a feeding camera device, a feeding disc, a material grabbing device and a feeding device cabinet, the feeding camera device, the feeding disc and the material grabbing device are installed on the feeding device cabinet, and the detection device is installed on the feeding device cabinet. The detection equipment comprises a detection camera device, a spring placing table, a sorting box and a detection equipment cabinet, the detection camera device and the spring placing table are installed on the detection equipment cabinet, the sorting box comprises a box body, an outflow opening and a material taking opening, the box body is arranged in the detection equipment cabinet, the outflow opening is formed in the upper table top of the detection equipment cabinet, and the material taking opening is formed in the upper table top of the detection equipment cabinet. The material taking opening is formed in the side face of the detection equipment cabinet, the feeding equipment cabinet and the detection equipment cabinet are arranged side by side, the detection mode is convenient and rapid, and precision is high.
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Description

Technical Field

[0001] The utility model belongs to the technical field of spring detection equipment, and particularly relates to a high-precision torsion spring angle detection equipment. Background Art

[0002] With the vigorous development of new energy vehicles, new energy vehicles have received strong attention in the market. Major new energy vehicle manufacturers have continuously improved the requirements for the comfort of vehicle interiors (the synchronization of armrest opening). Among them, for the opening of interior armrests, it is required that there is no visual time difference in opening. The torsion spring in the armrest plays an important role in opening. At present, the requirements for the armrest spring have been tightened from the standard tolerance (±10°) to ±2°. For such strict tolerance requirements, the dimensions must be ensured by a full inspection method. However, the existing measurement and detection equipment uses the principle of projection imaging, and the measurement accuracy cannot meet the requirements and the detection efficiency is low. In order to meet the high-precision requirements for the torsion spring angle, a high-precision torsion spring angle detection equipment needs to be developed. Content of the Utility Model

[0003] In order to overcome the above technical problems existing in the prior art field, the purpose of the utility model is to provide a high-precision torsion spring angle detection equipment with high detection accuracy and fast efficiency.

[0004] The high-precision torsion spring angle detection equipment provided by the utility model includes an automatic feeding equipment and a detection equipment. The automatic feeding equipment includes a feeding camera device, a feeding tray, a material grabbing device, and a feeding equipment cabinet. The feeding camera device, the feeding tray, and the material grabbing device are installed on the feeding equipment cabinet. The detection equipment includes a detection camera device, a spring placement table, a sorting box, and a detection equipment cabinet. The detection camera device and the spring placement table are installed on the detection equipment cabinet. The sorting box includes a box body, a flow outlet, and a material taking port. The box body is arranged inside the detection equipment cabinet, the flow outlet is arranged on the tabletop of the detection equipment cabinet, and the material taking port is arranged on the side of the detection equipment cabinet. The feeding equipment cabinet and the detection equipment cabinet are arranged side by side.

[0005] The detection camera device includes two relatively arranged camera mounting platforms, and detection cameras are respectively installed inside the two camera mounting platforms. The spring placement table is located between the two camera mounting platforms.

[0006] The detection camera has a pixel count of not less than 20 million pixels.

[0007] The feeding dish includes a feeding vibrating dish and a flexible vibrating dish. The feeding vibrating dish and the flexible vibrating dish are arranged side by side front and back. The material-grabbing device is arranged on the side of the flexible vibrating dish. The feeding camera device includes a bracket, an adjusting frame, a protective frame, a mounting frame and a feeding camera. The bracket is fixed on the feeding equipment cabinet and is located on both sides of the feeding vibrating dish. The adjusting frame is installed on the bracket through a balancing frame. The protective frame and the mounting frame are installed on the adjusting frame. The feeding camera is installed on the mounting frame and is located directly above the flexible vibrating dish.

[0008] A number of frustum of a pyramid are evenly distributed on the flexible vibrating dish, and the gaps between adjacent frustum of a pyramid form feeding positions.

[0009] The material-grabbing device includes a mounting table, a robotic arm, a connecting rod and a gripping clamp. The mounting table is fixed on the feeding equipment cabinet. The robotic arm is installed on the mounting table. The connecting rod is installed at the end of the robotic arm. The gripping clamp is installed at the bottom of the connecting rod.

[0010] Two sorting bins are provided, namely a qualified product sorting bin and a non-qualified product sorting bin.

[0011] The high-precision torsion spring angle detection equipment provided by the present utility model has the beneficial effects that an automatic feeding equipment is set, which is convenient and fast, and the detection efficiency is increased by 60%; the equipment has high precision and improves the accuracy of detection; the equipment has strong practicability, and different types of springs can be detected by replacing the spring placement table and the gripping clamp. Description of the Drawings

[0012] Figure 1 is the overall structural schematic diagram of an embodiment of the present utility model;

[0013] Figure 2 is the structural schematic diagram of the flexible vibrating dish;

[0014] Figure 3 is the structural schematic diagram of the spring placement table;

[0015] Reference numerals in the drawings:

[0016] 1. Feeding vibrating dish; 2. Flexible vibrating dish; 3. Robotic arm; 4. Gripping clamp; 5. Feeding camera; 6. Spring placement table; 7. Left camera mounting table; 8. Right camera mounting table; 9. Flow outlet of qualified product sorting bin; 10. Flow outlet of non-qualified product sorting bin; 11. Torsion spring; 12. Feeding equipment cabinet; 13. Bracket; 14. Adjusting frame; 15. Protective frame; 16. Mounting frame; 17. Balancing frame. Detailed Description of the Embodiment

[0017] The following refers to the drawings and combines with an embodiment to make a detailed description of the high-precision torsion spring angle detection equipment provided by the present utility model.

[0018] Embodiment

[0019] Reference Figures 1 - 3 In this embodiment, the high-precision torsion spring angle detection device includes an automatic feeding device and a detection device. The automatic feeding device includes a feeding camera device, a feeding tray, a material grabbing device, and a feeding equipment cabinet 12. The feeding camera device, the feeding tray, and the material grabbing device are installed on the feeding equipment cabinet. The detection device includes a detection camera device, a spring placement table 6, a sorting box, and a detection equipment cabinet. The detection camera device and the spring placement table 6 are installed on the detection equipment cabinet. The spring placement table 6 is used to place the torsion spring 11 for detection. The sorting box includes a box body, a flow outlet, and a material taking port. The box body is arranged inside the detection equipment cabinet. The flow outlet is arranged on the upper surface of the detection equipment cabinet. The material taking port is arranged on the side surface of the detection equipment cabinet. The feeding equipment cabinet 12 and the detection equipment cabinet are arranged side by side.

[0020] The detection camera device includes a left camera mounting table 7 and a right camera mounting table 8 which are arranged oppositely. Two detection cameras are respectively installed inside the two camera mounting tables. The spring placement table 6 is located between the two camera mounting tables.

[0021] The detection camera has a pixel count of not less than 20 million.

[0022] The feeding tray includes a feeding vibrating disk 1 and a flexible vibrating disk 2. The feeding vibrating disk 1 and the flexible vibrating disk 2 are arranged side by side front and back. The material grabbing device is arranged on the side of the flexible vibrating disk 2. The feeding camera device includes a bracket 13, an adjusting frame 14, a protection frame 15, a mounting frame 16, and a feeding camera 5. The bracket 13 is fixed on the feeding equipment cabinet 12 and is located on both sides of the feeding vibrating disk 1. The adjusting frame 14 is installed on the bracket through a balance frame 17. The protection frame 15 and the mounting frame 16 are installed on the adjusting frame 14. The feeding camera is installed on the mounting frame 16 and is located directly above the flexible vibrating disk 2.

[0023] A number of frustum of a pyramid are evenly distributed on the flexible vibrating disk 2. The gap between adjacent frustum of a pyramid forms a feeding position.

[0024] The material grabbing device includes a mounting table, a robotic arm 3, a connecting rod, and a grabbing clamp 4. The mounting table is fixed on the feeding equipment cabinet. The robotic arm 3 is installed on the mounting table. The connecting rod is installed at the end of the robotic arm 3. The grabbing clamp 4 is installed at the bottom of the connecting rod.

[0025] Two sorting boxes are provided, namely a qualified product sorting box and an unqualified product sorting box. The qualified product sorting box is provided with a qualified product sorting box flow outlet 9, and the unqualified product sorting box is provided with an unqualified product sorting box flow outlet 10. The two flow outlets are symmetrically arranged on the upper surface of the detection equipment cabinet.

[0026] During operation, place the torsion spring into the feeding vibrating bowl. Through vibration, the torsion spring falls into the flexible vibrating bowl, and then through vibration, the torsion spring is distributed into the grid of the flexible vibrating bowl. The feeding camera above the flexible vibrating bowl takes pictures for positioning, so that the robotic arm can drive the grasping clamp to accurately grasp the spring and place it on the spring placement table. The included angle between the two arms of the torsion spring is measured by taking pictures with two 20-megapixel detection cameras in the front and back. The robotic arm is controlled by a program to place the measured torsion spring into the corresponding outlet.

Claims

1. A high-precision torsion spring angle detection device, characterized in that: It includes an automatic feeding device and a detection device. The automatic feeding device includes a feeding camera device, a feeding tray, a material grabbing device, and a feeding equipment cabinet. The feeding camera device, the feeding tray, and the material grabbing device are installed on the feeding equipment cabinet. The detection device includes a detection camera device, a spring placement table, a sorting box, and a detection equipment cabinet. The detection camera device and the spring placement table are installed on the detection equipment cabinet. The sorting box includes a box body, a flow outlet, and a material taking port. The box body is arranged inside the detection equipment cabinet, the flow outlet is arranged on the tabletop of the detection equipment cabinet, and the material taking port is arranged on the side of the detection equipment cabinet. The feeding equipment cabinet and the detection equipment cabinet are arranged side by side.

2. The high-precision torsion spring angle detection device according to claim 1, wherein: The detection camera device includes two relatively arranged camera mounting platforms. Detection cameras are respectively installed inside the two camera mounting platforms. The spring placement table is located between the two camera mounting platforms.

3. The high-precision torsion spring angle detection device according to claim 2, wherein: The detection camera has a pixel count of no less than 20 million.

4. The high-precision torsion spring angle detection device according to claim 1, wherein: The feeding tray includes a feeding vibrating tray and a flexible vibrating tray. The feeding vibrating tray and the flexible vibrating tray are arranged side by side front and back. The material grabbing device is arranged on the side of the flexible vibrating tray. The feeding camera device includes a bracket, an adjusting frame, a protection frame, a mounting frame, and a feeding camera. The bracket is fixed on the feeding equipment cabinet and is located on both sides of the feeding vibrating tray. The adjusting frame is installed on the bracket through a balance frame. The protection frame and the mounting frame are installed on the adjusting frame. The feeding camera is installed on the mounting frame and is located directly above the flexible vibrating tray.

5. The high-precision torsion spring angle detection device according to claim 4, wherein: A number of frustum of a pyramid are evenly distributed on the flexible vibrating tray. The gaps between adjacent frustum of a pyramid form feeding positions.

6. The high-precision torsion spring angle detection device according to claim 1, characterized in that: The material grabbing device includes a mounting table, a robotic arm, a connecting rod, and a grabbing clamp. The mounting table is fixed on the feeding equipment cabinet. The robotic arm is installed on the mounting table. The connecting rod is installed at the end of the robotic arm. The grabbing clamp is installed at the bottom of the connecting rod.

7. The high-precision torsion spring angle detection device according to claim 1, characterized in that: Two sorting boxes are provided, namely a qualified product sorting box and a non - qualified product sorting box.