A pin height detection device
By designing a PIN height detection device and integrating it with automated equipment using a lifting component, a pressing component, and a laser displacement sensor, the problems of low efficiency and high cost in PIN height detection were solved, achieving rapid and accurate detection and improving production efficiency and product yield.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- MI KE LANG JING MI ZHU SU SU ZHOU YOU XIAN GONG SI
- Filing Date
- 2025-09-23
- Publication Date
- 2026-07-10
AI Technical Summary
Existing technologies for PIN pin height detection are inefficient, costly, and difficult to integrate seamlessly with automated equipment.
A PIN height detection device was designed, including a lifting component, a pressing component, and a measuring component. It integrates a laser displacement sensor with automated equipment to achieve fast and accurate PIN height detection and has a foolproof function.
It achieves highly efficient automated testing, has a simple structure and low cost, avoids human error, and has a testing speed that is much higher than manual or three-dimensional equipment, thus improving production efficiency and product yield.
Smart Images
Figure CN224480138U_ABST
Abstract
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 PIN pin height detection device. Background Technology
[0002] In the injection molding industry, plastic parts with pins (commonly known as terminals) require pin height testing after the pins are inserted. This process involves measuring the height of each pin inserted into the plastic part according to the drawing requirements.
[0003] Conventional measurement methods generally involve: ① manually measuring the height of each pin using a height gauge; ② using a 3D measuring device to detect the height of each pin. However, conventional manual measurement suffers from low work efficiency, continuously rising labor costs, and operator fatigue due to continuous operation; while using a 3D measuring device results in higher equipment costs.
[0004] Therefore, there is an urgent need for a PIN pin height detection device that is simple in structure, low in cost, fast in detection speed, and easy to integrate with automated equipment. Utility Model Content
[0005] To address the problems mentioned in the background section, this invention provides a PIN height detection device to solve the problems of low detection efficiency and high cost in existing technologies. This PIN height detection device, when integrated with automated equipment, achieves rapid and accurate PIN height detection, and has a mistake-proof function, thereby improving production efficiency and product yield.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a PIN pin height detection device, comprising a lifting assembly, a pressing assembly, and a measuring assembly; the measuring assembly includes a support frame, an X-axis moving mechanism, a Y-axis moving mechanism, a laser displacement sensor, and an external processing mechanism; the X-axis moving mechanism is disposed on the top of the support frame, the Y-axis moving mechanism is disposed on the slide of the X-axis moving mechanism, the laser displacement sensor is mounted on the slide of the Y-axis moving mechanism via a mounting arm, the laser displacement sensor is connected to the external processing mechanism for data transmission, the lifting assembly is used to lift the part to be measured to the measuring position, and the pressing assembly is used to press and limit the part to be measured and transmit height data to the laser displacement sensor for measurement.
[0007] Furthermore, the lifting assembly includes a mounting base, a lifting mechanism, and a fixing fixture. The fixed end of the lifting mechanism is mounted on the mounting base, and the fixing fixture is set on the moving end of the lifting mechanism. The fixing fixture includes support rods and a fixing plate. The fixing plate is fixedly mounted on the moving end of the lifting mechanism, and four support rods are arranged in a rectangular pattern along the vertical direction on the fixing plate.
[0008] Furthermore, the lifting mechanism is equipped with a limit switch on its side, which is a reed switch.
[0009] Furthermore, the pressing assembly includes an L-shaped fixed bracket, a cylinder fixed connecting plate, a pressing mechanism, a pressing fixture plate, and measuring guide posts. The L-shaped fixed bracket is fixedly installed on one side of the X-axis moving mechanism at the top of the support frame via a horizontal arm. The cylinder fixed connecting plate is installed on the vertical arm of the L-shaped fixed bracket. The fixed end of the pressing mechanism is fixed to the cylinder fixed connecting plate in the vertical direction. The moving end of the pressing mechanism moves downward in the vertical direction. The pressing fixture plate is set at the moving end of the pressing mechanism. Multiple measuring guide posts are provided on the pressing fixture plate, corresponding one-to-one with the PIN pin positions of the part to be measured. The measuring guide posts penetrate the pressing fixture plate in the vertical direction and are slidably set inside the pressing fixture plate.
[0010] Furthermore, the pressure fixture plate is equipped with a limit switch, which is a reed switch.
[0011] Furthermore, the pressing mechanism includes a pressing cylinder, a guide structure, a slide, and a mounting platform. The mounting platform is mounted on the cylinder fixed connection plate, the cylinder body of the pressing cylinder is mounted on the mounting platform, the slide is mounted on the piston end of the pressing cylinder, and the guide structure is set on the mounting platform and slidably connected to the slide.
[0012] Furthermore, the pressure fixture plate is provided with a height measurement reference point guide post, the position of which corresponds to the product measurement reference, and the height measurement reference point guide post can move up and down.
[0013] Compared with the prior art, the advantages of this utility model are: it enables efficient and automated testing of injection molded PIN products, seamlessly integrates with external processing mechanisms, and has a testing speed far exceeding that of manual or three-dimensional equipment; it has a simple structure and low cost, automatically judges the results through the lifting and pressing design, avoids human error, and ensures long-term stable operation through pneumatic components and laser measurement. 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:
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the measuring component in this utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the lower pressure component in this utility model;
[0018] Figure 4 This is a schematic diagram of the structure of the lower pressure fixture plate in this utility model;
[0019] Figure 5 This is a schematic diagram of the lifting component in this utility model.
[0020] In the picture:
[0021] 1. Lifting assembly; 11. Mounting base; 12. Lifting mechanism; 13. Fixture; 131. Support rod; 132. Fixing plate;
[0022] 2. Pressing assembly; 21. L-shaped fixing bracket; 22. Cylinder fixing connecting plate; 23. Pressing mechanism; 24. Pressing fixture plate; 25. Measuring guide post; 26. Height measuring reference point guide post;
[0023] 3. Measuring components; 31. Support frame; 32. X-axis moving mechanism; 33. Y-axis moving mechanism; 34. Laser displacement sensor; 35. Mounting arm. Detailed Implementation
[0024] 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
[0025] like Figure 1-5 As shown; a PIN pin height detection device includes a lifting assembly 1, a pressing assembly 2, and a measuring assembly 3; the measuring assembly 3 includes a support frame 31, an X-axis moving mechanism 32, a Y-axis moving mechanism 33, a laser displacement sensor 34, and an external processing mechanism; the X-axis moving mechanism 32 is mounted on the top of the support frame 31, the Y-axis moving mechanism 33 is mounted on the slide of the X-axis moving mechanism 32, and the laser displacement sensor 34 is mounted on the slide of the Y-axis moving mechanism 33 via a mounting arm 35. The laser displacement sensor 34 is connected to the external processing mechanism for data transmission. The lifting assembly 1 is used to lift the part to be measured to the measuring position, and the pressing assembly 2 is used to press and limit the part to be measured and transmit height data to the laser displacement sensor 34 for measurement; the laser displacement sensor 34 moves along a preset trajectory to measure the height of each guide pin, and the data is transmitted to the external processing mechanism for judgment.
[0026] The lifting assembly 1 includes a mounting base 11, a lifting mechanism 12, and a fixing fixture 13. The fixed end of the lifting mechanism 12 is mounted on the mounting base 11, and the fixing fixture 13 is located on the moving end of the lifting mechanism 12. The fixing fixture 13 includes support rods 131 and a fixing plate 132. The fixing plate 132 is fixedly mounted on the moving end of the lifting mechanism 12, and four support rods 131 are arranged in a rectangular pattern along the vertical direction on the fixing plate 132. The lifting mechanism 12 lifts the part to be measured to the measurement position. A limit switch is provided on the side of the lifting mechanism 12. The limit switch is a reed switch, and the lifting position signal is detected by the reed switch. The four support rods 131 are used to support and fix the part to be measured.
[0027] The pressing assembly 2 includes an L-shaped fixed bracket 21, a cylinder fixed connecting plate 22, a pressing mechanism 23, a pressing fixture plate 24, and measuring guide posts 25. The L-shaped fixed bracket 21 is fixedly mounted on one side of the X-axis moving mechanism 32 at the top of the support frame 31 via a horizontal arm. The cylinder fixed connecting plate 22 is mounted on the vertical arm of the L-shaped fixed bracket 21. The fixed end of the pressing mechanism 23 is fixed to the cylinder fixed connecting plate 22 in the vertical direction. The moving end of the pressing mechanism 23 moves downward in the vertical direction. The pressing fixture plate 24 is set at the moving end of the pressing mechanism 23. Multiple measuring guide posts 25 are set on the pressing fixture plate 24, corresponding one-to-one with the PIN pin positions of the part to be measured. The measuring guide posts 25 penetrate the pressing fixture plate 24 in the vertical direction and slide inside the pressing fixture plate 24. The pressing fixture plate 24 descends to the measuring position, contacts the PIN pin through the measuring guide posts, and transmits height data. There are twenty-six measuring guide posts, each corresponding one-to-one with the PIN pin positions of the part to be measured.
[0028] The pressure fixture plate 24 is equipped with a height measurement reference point guide post 26, the position of which corresponds to the product measurement reference. The height measurement reference point guide post can move up and down.
[0029] The pressure fixture plate 24 is equipped with a limit switch, which is a reed switch.
[0030] The pressing mechanism 23 includes a pressing cylinder, a guide structure, a slide, and a mounting platform. The mounting platform is mounted on the cylinder fixed connection plate, the cylinder body of the pressing cylinder is mounted on the mounting platform, the slide is mounted on the piston end of the pressing cylinder, and the guide structure is set on the mounting platform and slidably connected to the slide.
[0031] The pressing mechanism 23 is equipped with a gas regulating pilot valve to prevent the pressing fixture plate from falling accidentally when the gas supply is cut off.
[0032] Working principle: The operator manually places the part to be tested on the fixed fixture 13 of the lifting assembly 1. The lifting assembly 1 lifts the part to be tested to the measurement position, and the magnetic reed switch gives a stop signal. The pressing fixture plate 24 of the pressing assembly 2 moves downward, and the measuring guide post 25 contacts the PIN pin of the part to be tested. The PIN pin lifts the measuring guide post, and the magnetic reed switch gives a stop signal. The laser displacement sensor 34 moves along the X / Y axis to accurately measure the height of each measuring guide post 25 and transmits the measurement data to the external processing mechanism.
[0033] 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 PIN pin height detection device, characterized in that: It includes a lifting assembly, a pressing assembly, and a measuring assembly. The measuring assembly includes a support frame, an X-axis moving mechanism, a Y-axis moving mechanism, a laser displacement sensor, and an external processing mechanism. The X-axis moving mechanism is located on the top of the support frame, and the Y-axis moving mechanism is located on the slide of the X-axis moving mechanism. The laser displacement sensor is mounted on the slide of the Y-axis moving mechanism via a mounting arm. The laser displacement sensor is connected to the external processing mechanism for data transmission. The lifting assembly is used to lift the part to be measured to the measuring position, and the pressing assembly is used to press and limit the part to be measured and transmit height data to the laser displacement sensor for measurement.
2. The PIN height detection device according to claim 1, characterized in that: The lifting assembly includes a mounting base, a lifting mechanism, and a fixing fixture. The fixed end of the lifting mechanism is mounted on the mounting base, and the fixing fixture is set on the moving end of the lifting mechanism. The fixing fixture includes support rods and a fixing plate. The fixing plate is fixedly mounted on the moving end of the lifting mechanism, and four support rods are arranged in a rectangular pattern along the vertical direction on the fixing plate.
3. The PIN height detection device according to claim 2, characterized in that: The lifting mechanism is equipped with a limit switch on its side, which is a reed switch.
4. The PIN height detection device according to claim 1, characterized in that: The pressing assembly includes an L-shaped fixed bracket, a cylinder fixed connecting plate, a pressing mechanism, a pressing fixture plate, and measuring guide posts. The L-shaped fixed bracket is fixedly installed on one side of the X-axis moving mechanism at the top of the support frame via a horizontal arm. The cylinder fixed connecting plate is installed on the vertical arm of the L-shaped fixed bracket. The fixed end of the pressing mechanism is fixed to the cylinder fixed connecting plate in the vertical direction. The moving end of the pressing mechanism moves downward in the vertical direction. The pressing fixture plate is set at the moving end of the pressing mechanism. Multiple measuring guide posts are provided on the pressing fixture plate, corresponding one-to-one with the PIN pin positions of the part to be measured. The measuring guide posts pass through the pressing fixture plate in the vertical direction and are slidably set inside the pressing fixture plate.
5. The PIN height detection device according to claim 4, characterized in that: The pressure fixture plate is equipped with a limit switch, which is a reed switch.
6. The PIN height detection device according to claim 4, characterized in that: The pressing mechanism includes a pressing cylinder, a guide structure, a slide, and a mounting platform. The mounting platform is mounted on the cylinder fixed connection plate, the cylinder body of the pressing cylinder is mounted on the mounting platform, the slide is mounted on the piston end of the pressing cylinder, and the guide structure is set on the mounting platform and slidably connected to the slide.
7. The PIN pin height detection device according to claim 4, characterized in that: The pressure fixture plate is equipped with a height measurement reference point guide post, the position of which corresponds to the product measurement reference.