Front floor nut detection device
By designing a front floor nut inspection device, a guide rod and induction sensor are used to achieve rapid positioning and inspection of the workpiece, solving the problem of missing nut welds, improving inspection efficiency and product qualification rate, and reducing costs.
Patent Information
- Application Number
- CN202422833771.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-20
AI Technical Summary
In automobile production, the phenomenon of missing welds on nuts occurs frequently. Relying on manual inspection is inefficient, costly, and prone to omissions, resulting in a high defect rate.
Design a front floor nut detection device, including a guide rod, a positioning pin, and a sensing sensor. The guide rod guides the workpiece to position, the sensing sensor detects whether the nut is welded, and the indicator light displays the detection result.
It improves the efficiency of nut inspection, reduces the risk of missing welds, increases the product qualification rate, and reduces labor costs and inspection time.
Smart Images

Figure CN223637745U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile production and manufacturing, especially relates to a front floor nut detection device. BACKGROUND
[0002] In the automobile production and manufacturing process, there are many types of workpieces, and there are many points on the workpieces that need to be welded with nuts. Due to the large supply quantity, the phenomenon of nut missing welding occurs from time to time. At present, the detection work mainly depends on manual completion. However, due to the rapid production rhythm and the large number of inspection points, the manual visual inspection has the situation of missing detection, and the defective products of missing welding can cause a series of problems such as claims, and the labor intensity of manual detection is large, the inspection time of each product is long, and the labor cost is high. SUMMARY
[0003] The utility model provides a front floor nut detection device to improve the efficiency of detecting the nuts welded on the workpiece and avoid missing welding.
[0004] In order to achieve the above purpose, the technical scheme of the utility model is:
[0005] A front floor nut detection device, comprising: a base and a positioning mechanism, a supporting mechanism and a detection mechanism arranged on the base;
[0006] The positioning mechanism comprises guide rods, first positioning pins and second positioning pins, a plurality of guide rods are arranged along the workpiece contour, the top of the guide rod is provided with a guide portion inclined away from the workpiece side, the guide portion is higher than the first positioning pin and the second positioning pin, the workpiece is guided by the guide portion and positioned on the supporting mechanism by the first positioning pin and the second positioning pin;
[0007] The supporting mechanism is used for supporting the workpiece, a plurality of detection mechanisms correspond to the positions of the workpiece on the supporting mechanism that need to be welded with nuts, so that the nuts welded on the workpiece placed on the supporting mechanism can trigger the detection mechanism.
[0008] Further, it further comprises: a mounting support fixed on the base, the detection mechanism, the positioning mechanism and the supporting mechanism are arranged on the mounting support.
[0009] Further, the detection mechanism comprises an inductive sensor and a sensor bracket, the inductive sensor is arranged on the sensor bracket, the sensor bracket is provided with a waist-shaped hole, and the sensor bracket is fixed on the mounting support through the bolt in the waist-shaped hole.
[0010] Further, it further comprises a display panel, and the display panel is provided with an indicator lamp connected with the inductive sensor.
[0011] Further, the guide rod bottom is equipped with a first connecting block, a waist-shaped hole is arranged on the first connecting block, and the first connecting block is fixed on the mounting support through a bolt in the waist-shaped hole.
[0012] Further, a positioning pin support is further included, a pin hole is arranged on the top of the positioning pin support, the first positioning pin or the second positioning pin is installed in the pin hole, and the positioning pin support is fixed on the mounting support through a bolt.
[0013] Further, the supporting mechanism is a supporting block, a row of supporting block mounting holes is horizontally arranged on the top of the mounting support, and the supporting block is fixed on the mounting support through a bolt in the supporting block mounting hole.
[0014] Further, a trolley is further included, and the base is fixed on the trolley.
[0015] Beneficial effects: the front floor nut detection device provided by the utility model can guide the workpiece through the guide part on the guide rod arranged along the workpiece contour, can make the workpiece quickly cooperate with the first positioning pin and the second positioning pin, can realize the quick positioning of the workpiece, can make the detection mechanism detect whether the nut on the workpiece is missed welding, can improve the efficiency of detecting the nut welded on the workpiece, can reduce the risk caused by missed welding, and can greatly improve the product qualification rate. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for ordinary skilled in the art, other drawings can be obtained according to these drawings without the creative labor.
[0017] Figure 1 It is a structure schematic view of the front floor nut detection device disclosed by the utility model;
[0018] Figure 2 It is a structure schematic view of the guide rod of the front floor nut detection device disclosed by the utility model;
[0019] Figure 3 It is a structure schematic view of the induction sensor and the sensor support of the front floor nut detection device disclosed by the utility model;
[0020] Figure 4 It is a structure schematic view of the mounting support of the front floor nut detection device disclosed by the utility model.
[0021] In the drawing:
[0022] 1, base;
[0023] 2. Guide rod; 21. Guide section; 22. First connecting block;
[0024] 3. First locating pin;
[0025] 4. Second locating pin;
[0026] 5. Inductive sensor;
[0027] 6. Sensor bracket;
[0028] 7. Support block;
[0029] 8. Positioning pin bracket;
[0030] 9. Mounting bracket; 91. Mounting hole for support block;
[0031] 10. Display panel;
[0032] 11. Stroller. Detailed Implementation
[0033] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0034] This embodiment provides a front floor nut detection device, such as... Figure 1 As shown, it includes: a base 1 and a positioning mechanism, a support mechanism and a detection mechanism disposed on the base 1;
[0035] The positioning mechanism includes guide rods 2, a first positioning pin 3, and a second positioning pin 4. Multiple guide rods 2 are arranged along the contour of the workpiece, such as... Figure 2 As shown, the top of the guide rod 2 is provided with a guide portion 21 that is inclined toward the side away from the workpiece. The guide portion 21 is higher than the first positioning pin 3 and the second positioning pin 4, so that the guide portion 21 guides the workpiece before the workpiece is engaged with the first positioning pin 3 and the second positioning pin 4. The workpiece is guided by the guide portion 21 and positioned on the support mechanism by the first positioning pin 3 and the second positioning pin 4. In this embodiment, the workpiece is the front floor.
[0036] The support mechanism is used to support the workpiece and can effectively support the workpiece in the vertical direction. The multiple detection mechanisms correspond to the positions of the workpieces placed on the support mechanism where nuts need to be welded, so that the nuts welded on the workpieces placed on the support mechanism can trigger the detection mechanisms.
[0037] The front floor nut detection device provided by the embodiment can guide the workpiece through the guide part 21 on the guide rod 2 arranged along the workpiece contour, so that the workpiece can be quickly matched with the first positioning pin 3 and the second positioning pin 4, thereby realizing quick positioning of the workpiece, facilitating the detection mechanism to detect whether the nut on the workpiece is missed welding, improving the efficiency of detecting the nut welded on the workpiece, reducing the risk caused by missed welding, and greatly improving the product qualification rate.
[0038] In specific embodiments, as shown in Figure 1 The mounting support 9 is fixed on the base 1 by bolts, and the detection mechanism, the positioning mechanism and the supporting mechanism are arranged on the mounting support 9, so that the mounting support 9 can provide a mounting basis for the detection mechanism, the positioning mechanism and the supporting mechanism.
[0039] In specific embodiments, as shown in Figure 1 and Figure 3 The detection mechanism includes an inductive sensor 5 and a sensor bracket 6, the inductive sensor 5 is arranged on the sensor bracket 6, the sensor bracket 6 is provided with a waist-shaped hole, and the sensor bracket 6 is fixed on the mounting support 9 by bolts in the waist-shaped hole, so as to adjust the position of the sensor bracket 6 relative to the mounting support 9 and ensure that the inductive sensor 5 can better align with the nut on the workpiece.
[0040] In specific embodiments, as shown in Figure 1 The display panel 10 is fixed on the base 1, and the display panel 10 is provided with an indicator light connected with the inductive sensor 5, which lights up when the inductive sensor 5 detects the corresponding nut; in the embodiment, the inductive sensor 5 can be a proximity switch, when the nut is welded at the specified point of the workpiece, the nut at the specified point triggers the proximity switch by contact, and the indicator light lights up; when the nut is not welded at the specified point of the workpiece, it is missed welding, at this time the proximity switch cannot be triggered, and the indicator light remains off.
[0041] In specific embodiments, as shown in Figure 2 The first connecting block 22 is fixed on the mounting support 9 by bolts in the waist-shaped hole, so as to adjust the position of the guide rod 2 relative to the mounting support 9 and ensure that the guide rod 2 can better guide the workpiece.
[0042] In specific embodiments, as shown in Figure 1As shown, the positioning pin support 8 is provided with a pin hole at the top for mounting the first positioning pin 3 or the second positioning pin 4, and the positioning pin support 8 is fixed on the mounting support 9 by bolts, and the first positioning pin 3 and the second positioning pin 4 arranged on the positioning pin support 8 can be quickly mounted.
[0043] In specific embodiments, as shown in the drawings, Figure 1 The support mechanism is a support block 7, and the base 1 is provided with at least three support blocks 7, as shown in the drawings, Figure 4 As shown, the mounting support 9 is provided with a row of support block mounting holes 91 at the top, and the support block 7 is fixed on the mounting support 9 by bolts in the support block mounting hole 91, and in this embodiment, the support block 7 is provided with two bolt holes, and the mounting support 9 is provided with three support block mounting holes 91 at the top, so as to adjust the position of the support block 7 relative to the mounting support 9, and ensure that the support block 7 can better support the workpiece.
[0044] In specific embodiments, as shown in the drawings, Figure 1 As shown, the base 1 is welded on the trolley 11, so as to facilitate the overall transfer of the front floor nut detection device.
[0045] In actual use, the workpiece is guided onto the front floor nut detection device by the guide rod 2, and the positioning of the workpiece is ensured by the first positioning pin 3 and the second positioning pin 4, and the operator observes the state of the indicator light on the display panel 10, and the corresponding indicator light of the nut is fully bright, indicating that there is no problem of missing welding, and the workpiece can be moved to the next sequence, and if the indicator light is not bright, the workpiece is isolated for nut repair welding.
[0046] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A front floor nut detection device, characterized in that, The utility model relates to a welding nut positioning device, including: A base (1) and a positioning mechanism, a supporting mechanism and a detection mechanism arranged on the base (1); The positioning mechanism includes guide rods (2), first positioning pins (3) and second positioning pins (4), a plurality of guide rods (2) are arranged along the workpiece contour, the top of the guide rod (2) is provided with a guide part (21) inclined towards the side away from the workpiece, the guide part (21) is higher than the first positioning pin (3) and the second positioning pin (4), the workpiece is guided by the guide part (21) and positioned on the supporting mechanism by the first positioning pin (3) and the second positioning pin (4); The supporting mechanism is used for supporting the workpiece, a plurality of detection mechanisms correspond to the positions of the workpiece on the supporting mechanism where nuts need to be welded, so that the nuts welded on the workpiece on the supporting mechanism can trigger the detection mechanism.
2. The front floor nut detection device of claim 1, wherein Further including: A mounting support (9) fixed on the base (1), the detection mechanism, the positioning mechanism and the supporting mechanism are all arranged on the mounting support (9).
3. The front floor nut detection device of claim 2, wherein The detection mechanism includes an inductive sensor (5) and a sensor bracket (6), the inductive sensor (5) is arranged on the sensor bracket (6), the sensor bracket (6) is provided with a waist-shaped hole, and the sensor bracket (6) is fixed on the mounting support (9) through bolts in the waist-shaped hole.
4. The front floor nut detection device of claim 3, wherein Further including a display panel (10) provided with an indicating lamp connected with the inductive sensor (5).
5. The front floor nut detection device of claim 2, wherein The bottom of the guide rod (2) is provided with a first connecting block (22), the first connecting block (22) is provided with a waist-shaped hole, and the first connecting block (22) is fixed on the mounting support (9) through bolts in the waist-shaped hole.
6. The front floor nut detection device of claim 2, wherein Further including a positioning pin bracket (8), the top of the positioning pin bracket (8) is provided with a pin hole for installing the first positioning pin (3) or the second positioning pin (4), and the positioning pin bracket (8) is fixed on the mounting support (9) through bolts.
7. The front floor nut detection device of claim 2, wherein The supporting mechanism is a supporting block (7), the top of the mounting support (9) is horizontally provided with a row of supporting block mounting holes (91), and the supporting block (7) is fixed on the mounting support (9) through bolts in the supporting block mounting holes (91).
8. The front floor nut detection device of claim 1, wherein Further including a trolley (11), and the base (1) is fixed on the trolley (11).