Device for detecting number of hole sites of air bag adapter
Through the combination of laser detection mechanism and clamping and fixing mechanism, fully automatic detection of airbag adapter hole position is achieved, which solves the problems of low efficiency and missed detection of manual inspection and improves the product qualification rate.
Patent Information
- Application Number
- CN202422547214.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-10-22
AI Technical Summary
In the prior art, airbag adapter hole position detection relies on manual inspection, which results in high labor intensity and is prone to missed inspections, thus affecting the product qualification rate.
It uses a laser detection mechanism and a clamping and fixing mechanism. Through the cooperation of a digital laser sensor and a reflective plate, it can automatically detect the outer diameter hole position of the adapter. Combined with the servo motor to drive the lower ejector column to rotate, it can achieve fully automated detection.
It improves the detection efficiency, reduces the labor intensity, avoids the number of holes missed, and improves the product qualification rate.
Smart Images

Figure CN223361385U_ABST
Abstract
Description
Technical field:
[0001] The utility model belongs to the technical field of automobile safety airbags, and in particular relates to a hole quantity detection device for an airbag adapter. Background technology:
[0002] The airbag system is a critical component of a vehicle. It includes an adapter and an igniter. The adapter connects the airbag system to the vehicle's other electrical systems, serving as the system's electrical interface. The adapter has four holes evenly spaced along its outer diameter. In the event of a collision, the adapter and the igniter work together, releasing helium into the adapter. The adapter then passes the helium through the four holes on its outer diameter, activating the airbag's deployment mechanism. After production, the holes on the outer diameter of the adapter must be inspected to ensure the correct number of holes.
[0003] The existing detection method generally adopts manual inspection. Due to the large number of adapters and high labor intensity, after working for a long time, there is often a risk of missing the number of holes due to fatigue, which affects the product qualification rate.
[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as an admission or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. Utility model content:
[0005] The purpose of the utility model is to provide a device for detecting the number of holes in an airbag adapter, thereby overcoming the above-mentioned defects in the prior art.
[0006] To achieve the above-mentioned purpose, the utility model provides an airbag adapter hole quantity detection device, including a laser detection mechanism and a clamping and fixing mechanism; the laser detection mechanism includes a digital laser sensor, a detection station, and a reflective plate, the digital laser sensor, the detection station, and the reflective plate are located on the same straight line, the adapter is placed on the detection station, a through hole is provided at the center of the bottom surface of the detection station, the output end of the digital laser sensor, the outer diameter hole position of the adapter and the reflective plate are flush; the clamping and fixing mechanism includes an upper top column, a lower top column, and a rotary mechanism, the upper top column and the rotary mechanism can be raised and lowered on the clamping and fixing mechanism, a lower top column is provided at the output end of the rotary mechanism, the upper top column and the lower top column are respectively located above and below the detection station, the upper top column and the lower top column structure are coordinated with the upper and lower end surface structures of the adapter; the adapter is fixed by the cooperation of the upper top column and the lower top column; the outer diameter hole position of the adapter is detected by the cooperation of the rotary mechanism with the digital laser sensor and the reflective plate.
[0007] Preferably, in the technical solution, the laser detection mechanism includes a digital laser sensor, a detection station, a reflective plate, a sensor support seat, a detection platform, and a support frame. The detection platform is provided with a sensor support seat and a detection station, and a digital laser sensor is provided on the sensor support seat. Through holes are provided at the center of the bottom surface of the detection station and the detection platform below it. A reflective plate is provided on the support frame in a liftable manner. The digital laser sensor, the detection station, and the reflective plate are located on the same straight line.
[0008] Preferably, in the technical solution, the clamping and fixing mechanism includes an upper push column, a lower push column, a rotating mechanism, an upper bracket, an upper push column lifting mechanism, a bearing seat, a base plate, a lifting cylinder, and a lifting plate. The upper bracket is provided with an upper push column lifting mechanism, and the upper push column lifting mechanism is provided with a bearing seat. The upper push column is fixed to the bearing seat through a bearing, a lifting cylinder is provided on the base plate, a lifting plate is provided at the output end of the lifting cylinder, a rotating mechanism is provided on the lifting plate, and a lower push column is provided on the rotating mechanism. The upper push column and the lower push column are respectively located above and below the detection station.
[0009] Preferably, in the technical solution, the upper column lifting mechanism includes a lifting cylinder, a slide rail, and a slider. The lifting cylinder and the slide rail are arranged on the upper bracket, the slider is arranged on the slide rail, the output end of the lifting cylinder is connected to the slider, and a bearing seat is arranged on the slider.
[0010] Preferably, in the technical solution, the rotating mechanism includes a servo motor and a rotating seat. The servo motor is arranged on the lifting plate. The output end of the servo motor is provided with a rotating seat, and a lower push column is provided on the rotating seat. The lower push column is driven to rotate by the servo motor, and each rotation angle is 90°.
[0011] Compared with the prior art, the present invention has the following beneficial effects:
[0012] The use of a hole number detection device instead of manual inspection greatly speeds up the inspection efficiency, reduces the intensity of manual labor, avoids the risk of missing the hole number inspection, and improves the product qualification rate. Description of the drawings:
[0013] Figure 1 This is a schematic diagram of the structure of the device for detecting the number of holes in an airbag adapter according to the utility model;
[0014] Figure 2 This is a schematic diagram of the clamping of the airbag adapter hole quantity detection device of the present invention. Specific implementation method:
[0015] The specific implementation methods of the present invention are described in detail below, but it should be understood that the protection scope of the present invention is not limited by the specific implementation methods.
[0016] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations such as "include" or "comprising", etc., will be understood to include the stated elements or components but not to exclude other elements or other components.
[0017] like Figure 1-2 As shown, a device for detecting the number of holes in an airbag adapter includes a laser detection mechanism and a clamping and fixing mechanism; the laser detection mechanism includes a digital laser sensor 1, a detection station 2, a reflective plate 3, a sensor support seat 4, a detection platform 5, and a support frame 6. The detection platform 5 is provided with a sensor support seat 4 and a detection station 2, and the digital laser sensor 1 is provided on the sensor support seat 4. The detection platform 5 at the center of the bottom surface of the detection station 2 and below is provided with a through hole. The support frame 6 is provided with a reflective plate 3 that can be raised and lowered. The digital laser sensor 1, the detection station 2, and the reflective plate 3 are located in the same straight line. The adapter 7 is placed on the detection station 2. The output end of the digital laser sensor 1, the outer diameter hole of the adapter 7, and the reflective plate 3 are flush.
[0018] The clamping and fixing mechanism includes an upper push column 8, a lower push column 9, a rotating mechanism, an upper bracket 12, an upper push column lifting mechanism, a bearing seat 16, a bottom plate 17, a lifting cylinder 18, and a lifting plate 19. The upper bracket 12 is provided with an upper push column lifting mechanism, and the upper push column lifting mechanism includes a lifting cylinder 13, a slide rail 14, and a slider 15. The lifting cylinder 13 and the slide rail 14 are arranged on the upper bracket 12, and the slider 15 is arranged on the slide rail 14. The output end of the lifting cylinder 13 is connected to the slider 15, and a bearing seat 16 is provided on the slider 15. The upper push column 8 is fixed to the bearing seat 16 through a bearing. On the seat 16, a lifting cylinder 18 is provided on the bottom plate 17, and a lifting plate 19 is provided at the output end of the lifting cylinder 18. The rotary mechanism includes a servo motor 10 and a rotating seat 11. The servo motor 10 is provided on the lifting plate 19, and a rotating seat 11 is provided at the output end of the servo motor 10. A lower ejector column 9 is provided on the rotating seat 11; the lower ejector column 9 is driven to rotate by the servo motor 10, and each rotation angle is 90°. The upper ejector column 8 and the lower ejector column 9 are respectively located above and below the detection station 2, and the structures of the upper ejector column 8 and the lower ejector column 9 are coordinated with the upper and lower end surface structures of the adapter 7.
[0019] During operation, adapter 7 is placed on inspection station 2. Lifting cylinder 18 and lifting cylinder 13 are activated, driving lower and upper push pins 9 and 8 to move relative to each other. Upper and lower push pins 8 and 9 contact the upper and lower end surfaces of adapter 7, respectively, clamping adapter 7 in place. Digital laser sensor 1 emits infrared laser light, which passes through a hole on the outer diameter of adapter 7. The infrared laser light strikes reflector 3 and reflects back to digital laser sensor 1, completing the inspection of one hole. Servo motor 10 is activated, rotating adapter 7 90° via lower push pin 9. Digital laser sensor 1 then inspects the second hole on the outer diameter of adapter 7. This cycle continues until all four holes on the outer diameter of adapter 7 have been inspected. Lifting cylinder 18 and lifting cylinder 13 reset lower and upper push pins 9 and 8, removing the inspected adapter 7 from inspection station 2 and placing the next adapter 7 to be inspected. The use of a hole number detection device instead of manual inspection greatly speeds up the inspection efficiency, reduces the intensity of manual labor, avoids the risk of missing the hole number inspection, and improves the product qualification rate.
[0020] The foregoing descriptions of specific exemplary embodiments of the present invention are for purposes of illustration and description. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it is apparent that many modifications and variations are possible in light of the foregoing teachings. The exemplary embodiments have been selected and described for the purpose of explaining the specific principles of the present invention and their practical application, thereby enabling those skilled in the art to realize and utilize a variety of exemplary embodiments of the present invention and various options and variations. The scope of the present invention is intended to be defined by the claims and their equivalents.
Claims
1. A device for detecting the number of holes in an airbag adapter, characterized by: It includes a laser detection mechanism and a clamping and fixing mechanism; the laser detection mechanism includes a digital laser sensor, a detection station, and a reflector. The digital laser sensor, the detection station, and the reflector are located on the same straight line. An adapter is placed on the detection station. A through hole is provided at the center of the bottom surface of the detection station. The output end of the digital laser sensor, the outer diameter hole position of the adapter and the reflector are flush; the clamping and fixing mechanism includes an upper top column, a lower top column, and a rotary mechanism. The upper top column and the rotary mechanism can be raised and lowered on the clamping and fixing mechanism. A lower top column is provided at the output end of the rotary mechanism. The upper top column and the lower top column are respectively located above and below the detection station. The upper and lower top column structures cooperate with the upper and lower end surface structures of the adapter; the adapter is fixed by cooperating with the upper top column and the lower top column; the outer diameter hole position of the adapter is detected by cooperating with the rotary mechanism, the digital laser sensor and the reflector.
2. The airbag adapter hole quantity detection device according to claim 1, characterized in that: The laser detection mechanism includes a digital laser sensor, a detection station, a reflector, a sensor support seat, a detection platform, and a support frame. The detection platform is provided with a sensor support seat and a detection station. The digital laser sensor is provided on the sensor support seat. Through holes are provided at the center of the bottom surface of the detection station and the detection platform below it. A reflector is provided on the support frame in a liftable manner. The digital laser sensor, detection station, and reflector are located on the same straight line.
3. The airbag adapter hole number detection device according to claim 1, characterized in that: The clamping and fixing mechanism includes an upper ejector column, a lower ejector column, a rotating mechanism, an upper bracket, an upper ejector column lifting mechanism, a bearing seat, a base plate, a lifting cylinder, and a lifting plate. The upper bracket is provided with an upper ejector column lifting mechanism, and the upper ejector column lifting mechanism is provided with a bearing seat. The upper ejector column is fixed to the bearing seat through a bearing, a lifting cylinder is provided on the base plate, a lifting plate is provided at the output end of the lifting cylinder, a rotating mechanism is provided on the lifting plate, and a lower ejector column is provided on the rotating mechanism. The upper ejector column and the lower ejector column are respectively located above and below the detection station.
4. The airbag adapter hole number detection device according to claim 3, characterized in that: The upper column lifting mechanism includes a lifting cylinder, a slide rail, and a slider. The lifting cylinder and the slide rail are arranged on the upper bracket, and the slider is arranged on the slide rail. The output end of the lifting cylinder is connected to the slider, and a bearing seat is arranged on the slider.
5. The airbag adapter hole quantity detection device according to claim 3, characterized in that: The rotary mechanism includes a servo motor and a rotating seat. The servo motor is arranged on the lifting plate. The output end of the servo motor is provided with a rotating seat, and a lower push column is provided on the rotating seat. The lower push column is driven to rotate by the servo motor, and each rotation angle is 90°.