A terminal position detection device

Abstract

This utility model relates to a terminal position detection device, including a mounting bracket, a pressing structure, a lifting structure, a detection mechanism, and an external processing unit. The pressing structure includes a pressing cylinder and a pressure plate; the lifting structure includes a lifting cylinder, a support plate, and a moving guide rail; the detection mechanism includes a measuring cylinder, an upper gauge, a slider assembly, a through-beam optical fiber, and a lower gauge. The measuring cylinder is mounted vertically on the pressing cylinder via a mounting base, with its piston rod running vertically downwards. The upper gauge is located at the end of the piston rod, and the top of the upper gauge is equipped with a slider assembly and a through-beam optical fiber. The lower gauge is mounted on the moving guide rail; the through-beam optical fiber is connected to the external processing unit via an optical fiber. Beneficial effects: The structure is simple, practical, reliable, and easy to maintain; integrated with automated equipment, it enables rapid measurement, shortens the production cycle, improves production efficiency, and reduces manpower.

Description

Technical Field

[0001] This utility model belongs to the technical field of testing equipment in the injection molding industry, and specifically relates to a terminal position detection device. Background Technology

[0002] In the injection molding industry, plastic parts with pins (commonly known as terminals) require pin position accuracy testing after the pins are inserted. Pin position accuracy testing is a technical process for accurately measuring the positional accuracy of pins in electronic connectors. This test is mainly used to ensure that the position of the pins in the connector meets the design requirements, thereby ensuring the reliability of the electrical connection and the stability of signal transmission.

[0003] Conventional measurement methods typically involve using a 3D measuring device to detect the position of each terminal, or using a camera to measure the position of each terminal.

[0004] Using 3D measuring equipment to measure each terminal has problems such as low work efficiency, high labor costs, easy fatigue of operators due to continuous operation, and relatively expensive 3D measuring instruments; using camera measurement has the problem of high investment costs.

[0005] Therefore, there is an urgent need for a terminal position detection device that is simple in structure, low in cost, fast in detection speed, and easy to integrate with automated equipment. Utility Model Content

[0006] To address the problems mentioned in the background section, this invention provides a terminal position detection device to solve the problems of low detection efficiency and high cost in the prior art. This terminal position detection device, when integrated with automated equipment, achieves rapid and accurate PIN pin height detection, and has a foolproof function, thereby improving production efficiency and product yield.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a terminal position detection device, comprising a mounting bracket, a pressing structure, a lifting structure, a detection mechanism, and an external processing unit; the pressing structure includes a pressing cylinder and a pressure plate, the pressing cylinder being vertically positioned on the upper part of the mounting bracket, its piston rod running vertically downwards, and a pressure plate being provided at the end of the piston rod; the lifting structure includes a lifting cylinder, a support plate, and a moving guide rail, the lifting cylinder being vertically positioned on the lower part of the mounting bracket, its piston rod running vertically upwards, and a support plate being provided at the end of the piston rod, and the moving guide rail being mounted on the support plate; the detection mechanism includes a measuring cylinder, an upper gauge, a slider assembly, a through-beam optical fiber, and a lower gauge; the measuring cylinder is vertically positioned on the pressing cylinder via a mounting base, its piston rod running vertically downwards, and an upper gauge being provided at the end of the piston rod, the top of the upper gauge being provided with a slider assembly and a through-beam optical fiber, and the lower gauge being mounted on the moving guide rail; the through-beam optical fiber is connected to the external processing unit via an optical fiber.

[0008] Furthermore, the lower inspection fixture includes a detachable power terminal inspection fixture and a signal terminal inspection fixture.

[0009] Furthermore, the mounting bracket is equipped with an optical fiber amplifier, and the through-beam optical fiber is connected to the external processing unit via the optical fiber amplifier.

[0010] Furthermore, the mounting bracket includes a wedge-shaped mounting base and a mounting plate. The wedge-shaped mounting base is mounted on the base, and the mounting plate is fixedly mounted on the wedge-shaped mounting base by bolts.

[0011] Furthermore, the pressing structure is equipped with a limit switch.

[0012] Furthermore, the limit switch is a reed switch used to detect the position of the piston rod, thereby controlling the stroke of the pressing structure.

[0013] The beneficial effects of this utility model are: simple and practical structure, high cost performance, high reliability, and easy maintenance; integrated with automated equipment, it enables rapid measurement; the automated equipment is set with pass and fail values ​​for position accuracy, and has a mistake-proof function for position accuracy deviation; it achieves rapid measurement, shortens the production cycle, improves production efficiency, and reduces manpower. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a side view of the structure of this utility model; Figure 3 This is a schematic diagram of the lifting structure in this utility model; Figure 4 This is a schematic diagram of the power terminal testing fixture in this utility model; Figure 5 This is a schematic diagram of the signal terminal detection fixture in this utility model.

[0015] In the picture: 1. Mounting bracket; 101. Wedge-shaped mounting base; 102. Mounting plate; 2. Pressing structure; 201. Pressing cylinder; 202. Pressure plate; 3. Lifting structure; 301. Lifting cylinder; 302. Support plate; 303. Moving guide rail; 4. Testing mechanism; 401. Measuring cylinder; 402. Upper fixture; 403. Slider assembly; 404. Optical fiber; 405. Lower fixture; 5. Fiber optic amplifier. Detailed Implementation

[0016] 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. Example

[0017] like Figure 1-5 As shown; a terminal position detection device includes a mounting bracket 1, a pressing structure 2, a lifting structure 3, a detection mechanism 4, and an external processing unit; the pressing structure 2 includes a pressing cylinder 201 and a pressure plate 202. The pressing cylinder 201 is vertically arranged on the upper part of the mounting bracket 1, with its piston rod running vertically downwards, and the pressure plate 202 is provided at the end of the piston rod; the lifting structure 3 includes a lifting cylinder 301, a support plate 302, and a moving guide rail 303. The lifting cylinder 301 is vertically arranged on the lower part of the mounting bracket 1, with its piston rod running vertically upwards, and the pressure plate 202 is provided at the end of the piston rod. A tray 302 is provided, and a moving guide rail 303 is installed on the tray 302. The detection mechanism 4 includes a measuring cylinder 401, an upper fixture 402, a slider assembly 403, a through-beam optical fiber 404, and a lower fixture 405. The measuring cylinder 401 is mounted on the pressing cylinder 201 in a vertical direction via a mounting base. Its piston rod runs vertically downward. The upper fixture 402 is provided at the end of the piston rod. The top of the upper fixture 402 is provided with the slider assembly 403 and the through-beam optical fiber 404. The lower fixture 405 is installed on the moving guide rail 303. The through-beam optical fiber 404 is connected to an external processing unit via an optical fiber.

[0018] like Figure 4 As shown, the lower fixture 405 includes a detachable power terminal testing fixture.

[0019] like Figure 5 As shown, the lower fixture 405 includes a signal terminal testing fixture.

[0020] The mounting bracket 1 is equipped with an optical fiber amplifier 5, and the through-beam optical fiber 404 is connected to the external processing unit through the optical fiber amplifier 5.

[0021] Mounting bracket 1 includes a wedge-shaped mounting base 101 and a mounting plate 102. The wedge-shaped mounting base 101 is mounted on the base, and the mounting plate 102 is fixedly mounted on the wedge-shaped mounting base 101 by bolts.

[0022] The pressing structure 2 is equipped with a reed switch to detect the position of the piston rod, thereby controlling the stroke of the pressing structure 2.

[0023] Specific workflow: The lowering cylinder 201 descends, and the pressure plate 202 presses down the product to be tested; The measuring cylinder 401 descends to the measuring position, and the hole of the upper gauge 402 fits into the corresponding terminal on the upper end of the product being measured; Status 1: If the product terminal position is within the required range, the upper gauge 402 will fit smoothly, and the external processing unit will determine it as OK; State 2: If the product terminal position is outside the required range, the upper gauge 402 cannot be fitted, exceeding the measuring pressure spring force, and the slider assembly 403 is lifted; the through-beam fiber 404 is blocked by the slider assembly 403 beyond the set value, and the external processing unit determines it as NG. c. Lifting cylinder 301 lifts; lower gauge 405 is inserted into the terminal at the lower end of the product being tested. The lower gauge 405 is finely adjusted by moving in the moving guide rail 303 to avoid misjudgment caused by slight deformation due to misalignment with the product. Status 1: If the product terminal positions are all within the required range, the lower gauge 405 will fit in smoothly, and the result is OK; State 2: If the position of a product terminal is outside the required range, the lower gauge 405 cannot fit into the terminal of the corresponding cavity, the spring force of the measuring pin is exceeded, or the optical fiber is blocked beyond the set value, then it is judged as NG. d. The through-beam fiber 404 transmits the measurement values ​​of each measurement point to the external processing unit via the fiber optic amplifier 5 to determine the positional status of the inserted terminal (OK or NG). Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A terminal position detection device, characterized in that: The system includes a mounting bracket, a pressing structure, a lifting structure, a detection mechanism, and an external processing unit. The pressing structure comprises a pressing cylinder and a pressure plate. The pressing cylinder is vertically positioned on the upper part of the mounting bracket, with its piston rod running vertically downwards. A pressure plate is located at the end of the piston rod. The lifting structure comprises a lifting cylinder, a support plate, and a moving guide rail. The lifting cylinder is vertically positioned on the lower part of the mounting bracket, with its piston rod running vertically upwards. A support plate is located at the end of the piston rod, and the moving guide rail is mounted on the support plate. The detection mechanism includes a measuring cylinder, an upper gauge, a slider assembly, a through-beam optical fiber, and a lower gauge. The measuring cylinder is vertically mounted on the pressing cylinder via a mounting base. Its piston rod runs vertically downwards, with an upper gauge at the end of the piston rod. The upper gauge has a slider assembly and a through-beam optical fiber at its top. The lower gauge is mounted on the moving guide rail. The through-beam optical fiber is connected to the external processing unit via an optical fiber.

2. The terminal position detection device according to claim 1, characterized in that: The lower inspection fixture includes a detachable power terminal inspection fixture and a signal terminal inspection fixture.

3. The terminal position detection device according to claim 1, characterized in that: The mounting bracket is equipped with an optical fiber amplifier, and the through-beam optical fiber is connected to the external processing unit via the optical fiber amplifier.

4. The terminal position detection device according to claim 1, characterized in that: The mounting bracket includes a wedge-shaped mounting base and a mounting plate. The wedge-shaped mounting base is mounted on the base, and the mounting plate is fixedly mounted on the wedge-shaped mounting base by bolts.

5. The terminal position detection device according to claim 4, characterized in that: The pressure structure is equipped with a limit switch.

6. The terminal position detection device according to claim 5, characterized in that: The limit switch is a reed switch.

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