A device for detecting the flatness of terminals after insertion.
The automated inspection device, which uses a laser rangefinder and a cylinder-driven gripper, solves the problem of low efficiency in traditional manual inspection, achieves efficient and accurate inspection of terminal connection quality, and improves the automation level of the production line and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU KUNHUA INTELLIGENT TECH CO LTD
- Filing Date
- 2025-06-03
- Publication Date
- 2026-05-26
AI Technical Summary
Traditional manual inspection of terminal connection quality is inefficient, labor-intensive, and yields inconsistent results, making it difficult to meet the needs of high-precision and high-volume production lines.
A laser rangefinder sensor is used to detect the flatness of the four corners of the terminal, and a cylinder-driven gripper automatically picks up the defective terminal and places it in the storage box, thus realizing automated detection and management.
It improves the efficiency and accuracy of terminal connection testing, ensures the consistency of test results, reduces labor costs, lowers scrap rates, and enhances production efficiency.
Smart Images

Figure CN224272233U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of terminal flatness testing equipment, specifically a device for testing the flatness of terminals after insertion. Background Technology
[0002] In today's booming electronics industry, various electronic devices contain complex circuit connection systems, and the quality of terminal connections plays a crucial role in the overall performance and reliability of the device. As key components connecting different electronic components or circuits, terminals must ensure a high degree of accuracy and stability during the connection process.
[0003] As electronic products continue to evolve towards miniaturization, high performance, and high integration, the number of terminals on electronic circuit boards is increasing daily, and the spacing is becoming smaller. This significantly increases the difficulty of terminal insertion, and traditional manual inspection methods are gradually revealing many limitations when faced with such large-scale, high-precision terminal insertion inspection tasks. Manual inspection is not only inefficient, consuming significant manpower and time costs, but also prone to inconsistency and accuracy due to visual fatigue and subjective judgment errors. On high-volume production lines, this inefficiency and uncertainty can lead to inconsistent product quality, increased scrap rates, and consequently, severely impact a company's production efficiency and market competitiveness. Utility Model Content
[0004] The purpose of this invention is to provide a device for detecting the flatness of terminals after insertion, so as to solve the problems mentioned in the background art.
[0005] To solve the above-mentioned technical problems, this utility model provides a device for detecting the flatness of terminals after insertion, including a mounting frame and a mounting base connected within the mounting frame, comprising,
[0006] Support bases, at least two in number, are fixedly connected to the top of the mounting base;
[0007] The connector is attached to one side of the support base and is arranged in a "Z" shape;
[0008] Four laser rangefinders are connected to the connector to detect the flatness of the four corners of the terminal.
[0009] A tray, attached to one side of the support base, is used to place terminals.
[0010] Furthermore, it also includes;
[0011] The first telescopic cylinder is connected to the support base and is set on the same side as the connecting base;
[0012] The gripper is activated and positioned on the telescopic end of the first telescopic cylinder to grip defective terminals.
[0013] Furthermore, a second telescopic cylinder is connected to the telescopic end of the first telescopic cylinder, and the telescopic end of the second telescopic cylinder is connected to the starting gripper.
[0014] Furthermore, a storage box is connected to the mounting base, and a sealing cover is provided on the storage box to seal it.
[0015] Furthermore, a third telescopic cylinder is connected to the mounting base, and the telescopic end of the third telescopic cylinder is rotatably connected to one side of the sealing cover.
[0016] Furthermore, a reinforcing base is connected to one side of the support base, and the reinforcing base is arranged in a triangular shape.
[0017] Compared with the prior art, the beneficial effects of this utility model are:
[0018] 1. By placing the component to be tested on the tray and ensuring it is stable, the laser rangefinders simultaneously start detecting and measuring the distance values to each corner of the terminal. If the terminal is completely flat after insertion, the distances from the ground to the four corners of the terminal measured by the four laser rangefinders should be equal or have a small error. However, if there is a flatness deviation in the terminal, such as a corner being raised or recessed, this setting can conveniently and efficiently detect the flatness of the terminal.
[0019] 2. Through the coordinated action of the first and second telescopic cylinders, the gripper can be activated to deliver the defective terminal to the location, achieving automated positioning and gripping. Secondly, the activated gripper can accurately clamp the defective terminal, ensuring that it can be transferred stably and avoiding it from falling or causing secondary damage during transportation. Finally, the defective terminal is placed in the storage box for centralized management and subsequent processing. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0021] Figure 2 This is a schematic diagram of the internal structure of the present invention;
[0022] Figure 3 This is a schematic diagram of the overall structure of the flatness testing equipment in this utility model;
[0023] Figure 4 This is a side view of the flatness detection method in this utility model;
[0024] Figure 5 This utility model Figure 2 Enlarged view of the structure at point A in the middle.
[0025] In the diagram: 1. Mounting frame; 2. Mounting base; 3. Support base; 4. Connecting base; 5. First telescopic cylinder; 6. Second telescopic cylinder; 7. Starting gripper; 8. Laser rangefinder sensor; 9. Storage tray; 10. Material storage box; 11. Third telescopic cylinder; 12. Sealing cover; 13. Reinforcing base. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] Please see Figure 1-5 This utility model provides a technical solution: a device for detecting the flatness of terminals after insertion, comprising a mounting frame 1 and a mounting base 2 connected within the mounting frame 1, including,
[0028] Support base 3, at least two, are fixedly connected to the top of mounting base 2;
[0029] Connector 4 is connected to one side of support 3 and is arranged in a "Z" shape;
[0030] Four laser rangefinders 8 are connected to the connector 4 and are used to detect the flatness of the four corners of the terminal.
[0031] The storage tray 9 is connected to one side of the support base 3 and is used to place the terminals.
[0032] In practice, the component with the pre-connected terminals to be tested is placed on the tray 9, ensuring that the terminals are in the appropriate testing position and are placed stably.
[0033] When detection begins, the four laser rangefinders 8 start synchronously. Because the laser rangefinders 8 have high-precision distance measurement capabilities, they emit laser beams towards the four corners of the terminal. The laser beams reflect back after encountering the terminal surface, and the sensors, based on the time difference between laser emission and reflection, and the principle of the constant speed of light, accurately calculate the distance from the sensor to each corner of the terminal.
[0034] If the terminals are completely flat after insertion, the distances from the ground to the four corners of the terminals measured by the four laser rangefinders 8 should be equal or have a small error. However, if there is a flatness deviation in the terminals, such as a corner being raised or recessed, the distance measured by the corresponding laser rangefinder 8 will be significantly different from the measurement values of other sensors.
[0035] See Figure 3 It also includes;
[0036] The first telescopic cylinder 5 is connected to the support base 3 and is set on the same side as the connecting base 4;
[0037] The gripper 7 is activated and positioned on the telescopic end of the first telescopic cylinder 5 to grip unqualified terminals.
[0038] In practice, after the laser rangefinder 8 completes the flatness detection of the four corners of the terminal and transmits the data to the control system for analysis and judgment, if the flatness of the terminal is determined to be unqualified, the control system will send a command to the first telescopic cylinder 5. After receiving the command, the pneumatic drive device inside the first telescopic cylinder 5 starts working, pushing the piston to move, thereby causing the starting gripper 7 connected to its telescopic end to extend towards the unqualified terminal. The starting gripper 7 then grasps the unqualified terminal.
[0039] See Figure 3 The first telescopic cylinder 5 is connected to the telescopic end of the second telescopic cylinder 6, and the telescopic end of the second telescopic cylinder 6 is connected to the starting gripper 7.
[0040] In practice, if the flatness of the terminal is determined to be unqualified, the first telescopic cylinder 5 is activated, pushing its piston to extend, which drives the second telescopic cylinder 6 connected to it to move towards the terminal, so that the starting gripper 7 approaches the area of the unqualified terminal. When the second telescopic cylinder 6 reaches the predetermined position, the second telescopic cylinder 6 is activated, its telescopic end extends, and pushes the starting gripper 7 to accurately grab the unqualified terminal. When the starting gripper 7 contacts the terminal, it clamps the terminal.
[0041] refer to Figure 3 and Figure 4 A storage box 10 is connected to the mounting base 2, and a sealing cover 12 is provided on the storage box 10 to seal the storage box 10.
[0042] In practice, when the gripper 7, under the coordinated action of the first telescopic cylinder 5 and the second telescopic cylinder 6, picks up the defective terminal and moves it above the storage box 10, the first telescopic cylinder 5 and the second telescopic cylinder 6 will act according to the preset program of the control system, causing the gripper 7 to release its grip on the defective terminal, allowing the defective terminal to fall into the storage box 10. The storage box 10 is used to collect terminals that are judged to be defective during the inspection process, preventing them from scattering and affecting the working environment or causing confusion. The sealing cover 12 is normally closed, and its function is to prevent external dust, impurities, etc. from falling into the storage box 10, avoiding secondary contamination of the collected defective terminals, and also reducing the risk that the terminals in the storage box 10 may be ejected from the box due to accidental collisions.
[0043] See Figure 4 A third telescopic cylinder 11 is connected to the mounting base 2, and the telescopic end of the third telescopic cylinder 11 is rotatably connected to one side of the sealing cover 12.
[0044] In practice, when the testing device is in normal working condition and the material collection box 10 is collecting defective terminals, the third telescopic cylinder 11 is in the retracted state. At this time, the sealing cover 12 remains in the closed position under the pulling force of the third telescopic cylinder 11, effectively sealing the material collection box 10 and preventing dust, impurities from entering and terminals from accidentally popping out.
[0045] When it is necessary to clean the defective terminals in the storage box 10, the third telescopic cylinder 11 is activated and begins to extend. As the telescopic end of the third telescopic cylinder 11 extends, since its telescopic end is rotatably connected to one side of the sealing cover 12, the sealing cover 12 will rotate and open around the connection point, gradually revealing the opening of the storage box 10, making it convenient for the operator to take out the defective terminals.
[0046] refer to Figure 4 A reinforcing seat 13 is connected to one side of the support 3, and the reinforcing seat 13 is triangular in shape.
[0047] In practice, the reinforcing seat 13 plays an important role in enhancing the stability and rigidity of the support seat 3. Since the support seat 3 bears the heavy responsibility of connecting the seat 4, the storage tray 9, and related cylinders, various vibrations, impacts, and uneven stress distributions may occur during the operation of the device, especially when the laser rangefinder 8 performs detection and the gripper 7 is activated to perform the gripping action.
[0048] Working principle: Place the component with the pre-connected terminals to be tested on the tray 9, ensuring that the terminals are in the appropriate testing position and are placed stably.
[0049] When detection begins, the four laser rangefinders 8 start synchronously. Because the laser rangefinders 8 have high-precision distance measurement capabilities, they emit laser beams towards the four corners of the terminal. The laser beams reflect back after encountering the terminal surface, and the sensors, based on the time difference between laser emission and reflection, and the principle of the constant speed of light, accurately calculate the distance from the sensor to each corner of the terminal.
[0050] If the terminals are completely flat after insertion, the distances from the ground to the four corners of the terminals measured by the four laser range sensors 8 should be equal or have a small error. However, if there is a flatness deviation in the terminals, such as a corner being raised or recessed, the distance measured by the corresponding laser range sensor 8 will be significantly different from the measurement values of other sensors.
[0051] If the flatness of the terminal is determined to be unqualified, the first telescopic cylinder 5 is activated, pushing its piston to extend, which drives the second telescopic cylinder 6 connected to it to move towards the terminal, so that the starting gripper 7 is close to the area where the unqualified terminal is located. When the second telescopic cylinder 6 reaches the predetermined position, the second telescopic cylinder 6 is activated, its telescopic end extends, and pushes the starting gripper 7 to accurately grab the unqualified terminal. When the starting gripper 7 contacts the terminal, it clamps the terminal and places it in the storage box 10.
Claims
1. A device for detecting the flatness of terminals after insertion, comprising a mounting frame (1) and a mounting base (2) connected within the mounting frame (1), characterized in that, include, Support bases (3), at least two in number, are fixedly connected to the top of the mounting base (2); The connecting seat (4) is connected to one side of the support seat (3) and is set in a "Z" shape; Four laser rangefinders (8) are connected to the connector (4) for detecting the flatness of the four corners of the terminal. The tray (9) is connected to one side of the support base (3) and is used to place the terminals.
2. The flatness detection device for detecting terminal insertion as described in claim 1, characterized in that: Also includes; The first telescopic cylinder (5) is connected to the support base (3) and is set on the same side as the connecting base (4); The gripper (7) is activated and positioned on the telescopic end of the first telescopic cylinder (5) to grip unqualified terminals.
3. The flatness detection device for detecting terminal insertion as described in claim 2, characterized in that: A second telescopic cylinder (6) is connected to the telescopic end of the first telescopic cylinder (5), and the telescopic end of the second telescopic cylinder (6) is connected to the starting gripper (7).
4. The flatness detection device for detecting terminal insertion as described in claim 1, characterized in that: The mounting base (2) is connected to a storage box (10), and the storage box (10) is provided with a sealing cover (12) to seal the storage box (10).
5. The flatness detection device for detecting terminal insertion as described in claim 4, characterized in that: A third telescopic cylinder (11) is connected to the mounting base (2), and the telescopic end of the third telescopic cylinder (11) is rotatably connected to one side of the sealing cover (12).
6. The flatness detection device for detecting terminal insertion as described in claim 1, characterized in that: A reinforcing seat (13) is connected to one side of the support base (3), and the reinforcing seat (13) is triangular in shape.