CN220487999U - Be applied to pen-shaped cylinder detection structure of mistake proofing - Google Patents
Be applied to pen-shaped cylinder detection structure of mistake proofing Download PDFInfo
- Publication number
- CN220487999U CN220487999U CN202322223644.4U CN202322223644U CN220487999U CN 220487999 U CN220487999 U CN 220487999U CN 202322223644 U CN202322223644 U CN 202322223644U CN 220487999 U CN220487999 U CN 220487999U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- diameter
- diameter section
- detection
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 87
- 238000003466 welding Methods 0.000 claims abstract description 46
- 230000002265 prevention Effects 0.000 claims abstract description 7
- 238000007689 inspection Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 3
- 230000001960 triggered effect Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to the technical field of automobiles, and discloses a pen-shaped cylinder detection structure applied to error prevention, which comprises the following components: the piston of the air cylinder is provided with a magnetic piece; the detection pin is connected with a piston rod of the air cylinder, the other end of the detection pin is sequentially provided with a first diameter section and a second diameter section from outside to inside, the diameter of the first diameter section is smaller than the inner diameter of a screw thread of a correct welding nut, and the diameter of the second diameter section is larger than the inner diameter of the screw thread of the correct welding nut but smaller than the inner diameter of a welding nut hole on a part; the detection sensor is arranged at a preset position of the side wall of the cylinder body and can detect magnetic part signals at the preset position. According to the utility model, the first diameter section and the second diameter section with different diameters are arranged at one end of the detection pin, the detection pin is driven to stretch and retract to enter different positions by the air cylinder, and the magnetic piece on the piston of the air cylinder triggers different detection signals, so that the automatic error prevention of the defects of the welding missing nut and the welding error nut can be realized.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to a pen-shaped cylinder detection structure applied to error prevention.
Background
The automobile is composed of a white automobile body, an interior trim part, a chassis, a power system, an electric system and the like, a large number of standard parts such as bolts and nuts are used as connecting parts in the automobile production process, and defects such as missing welding and incorrect welding of the nuts are commonly caused in the welding process of welding the nuts of the parts.
The approach switch is generally adopted in the industry to detect the error proofing of the standard component, the error proofing of the nut hidden in the accessory cannot be performed by using the approach switch, personnel visually confirm that the standard component hidden in the component has a large risk, and the error proofing welding cannot be repaired after the production is finished. For example, nuts of parts such as a mud guard subassembly are hidden inside the parts, resistance spot welding of robots is needed to be carried out on the edges of the positions of the nuts, the welding track of the robots is blocked by the existing error proofing technology, automatic error proofing of the nuts cannot be achieved, 100% inspection drawing hundred-detection marks of personnel cannot thoroughly prevent the defects of missing welding and incorrect welding, and meanwhile, the hundred-detection action increases the working strength of operators.
Disclosure of Invention
The utility model aims to provide a pen-shaped cylinder detection structure applied to error prevention so as to solve the problem of error prevention of a standard welding nut covered inside a part.
In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:
be applied to mistake proofing pen-shaped cylinder detection structure includes:
the cylinder 100, a magnetic piece is arranged on the piston of the cylinder 100;
the detecting pin 200, one end of the detecting pin 200 is connected with a piston rod of the air cylinder 100, the other end of the detecting pin is sequentially provided with a first diameter section 210 and a second diameter section 220 from outside to inside, the diameter of the first diameter section 210 is smaller than the inner diameter of a screw thread of a correct welding nut, and the diameter of the second diameter section 220 is larger than the inner diameter of the screw thread of the correct welding nut but smaller than the inner diameter of a welding nut hole on a part;
the detection sensor 300 is disposed at a preset position of the sidewall of the cylinder 100, and can detect the magnetic member signal at the preset position.
Further, the diameter of the first diameter section 210 is larger than the inner diameter of the wrong welding nut having a smaller specification than the right welding nut, and the diameter of the second diameter section 220 is smaller than the inner diameter of the wrong welding nut having a larger specification than the right welding nut.
Further, the outer end of the first diameter section 210 is provided with a first guide 230.
Further, a second guide 240 is provided between the first diameter section 210 and the second diameter section 220.
Further, the pen-shaped cylinder detection structure applied to error proofing further comprises a connecting block 400 and a guide sleeve 500, wherein the rod end of the cylinder 100 and the guide sleeve 500 are respectively connected to two opposite sides of the connecting block 400, the piston rod of the cylinder 100 penetrates through the connecting block 400 to extend into the guide sleeve 500, and the detection pin 200 penetrates through the guide sleeve 500 to be connected with the piston rod of the cylinder 100.
Further, the detecting sensors 300 are provided in two, and are disposed at a first position and a second position along the axial direction of the cylinder 100, respectively, for detecting the signals of the magnetic member at the first position and the second position.
Compared with the prior art, the utility model has the beneficial effects that:
according to the error-proof pen-shaped cylinder detection structure, one end of the detection pin is provided with the first diameter section and the second diameter section with different diameters, the detection pin is driven to stretch and retract through the cylinder, when a correctly welded nut is correctly clamped, the first diameter section of the detection pin enters the correctly welded nut, a magnetic piece on the cylinder piston enters the detection range of the detection sensor, and a detection signal is triggered; when the part is not welded with the welded nut, the second diameter section of the detection pin enters a welded nut hole on the part, and the magnetic part on the cylinder piston exceeds the detection range of the detection sensor; when the error welding nut with the specification smaller than that of the correct welding nut is formed by error welding, the first diameter section of the detection pin cannot enter the welding nut, the magnetic piece on the cylinder piston is out of the detection range of the detection sensor, and the detection signal cannot be triggered; when the welding is performed by mistake, the welding nut is larger than the correct welding nut in specification, the second diameter section of the detection pin enters the welding nut, the magnetic piece on the cylinder piston exceeds the detection range of the detection sensor, and the detection signal cannot be triggered.
The utility model provides a pen-shaped cylinder detection structure applied to error prevention, and after detection is completed, a cylinder can drive a detection pin to retract so as to avoid a welding track.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a pen-shaped cylinder detection structure applied to error proofing in an embodiment;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;
FIG. 3 is a schematic diagram showing the structure of the error-proof pen-shaped cylinder detection structure and the matching of parts according to one embodiment;
in the above figures:
100. a cylinder;
200. the detection pin 210, the first diameter section 220, the second diameter section 230, the first guide part 240 and the second guide part;
300. a detection sensor;
400. a connecting block;
500. a guide sleeve;
600. a part;
700. and welding a nut.
Detailed Description
For the purpose of promoting an understanding of the principles and advantages of embodiments of the utility model, reference will now be made in detail to the drawings, in which it is apparent that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, the present embodiment provides a pen-shaped cylinder detection structure for error proofing, including: cylinder 100, detection pin 200, detection sensor 300, connection block 400, and guide bush 500.
The cylinder 100 is a pen-shaped cylinder, and a magnetic ring is arranged on a piston of the cylinder 100 as a magnetic member.
One end of the detection pin 200 is connected with a piston rod of the cylinder 100, and the other end of the detection pin is sequentially provided with a first diameter section 210 and a second diameter section 220 from outside to inside.
The first diameter section 210 has a diameter smaller than the inside diameter of the correctly welded nut, but larger than the inside diameter of the incorrectly welded nut, which is smaller in size than the correctly welded nut.
The diameter of the second diameter section 220 is larger than the inside diameter of the correct weld nut, but smaller than the inside diameter of the weld nut hole on the part and the inside diameter of the wrong weld nut having a larger gauge than the correct weld nut.
For example, when the diameter of the welded nut hole on the part is phi 7 and the correct welded nut is an M6 standard nut, the threaded inner diameter of the nut is phi 4.9, the threaded inner diameter of the M5 standard nut is phi 4.2, the threaded inner diameter of the M8 standard nut is phi 6.65, the diameter of the first diameter section 210 is phi 4.5, the diameter of the second diameter section 220 is phi 6, the first diameter section 210 can enter the correct M6 standard nut but cannot enter the wrong M5 standard nut, and the second diameter section 220 can enter the welded nut hole on the part and the wrong M8 standard nut.
In this embodiment, in order to facilitate the detection pin 200 entering the weld nut hole and the weld nut inside, a tapered section is provided at the outer end of the first diameter section 210 as a first guiding portion 230, and a tapered section is also provided between the first diameter section 210 and the second diameter section 220 as a second guiding portion 240.
The detection sensor 300 is disposed at a preset position of the sidewall of the cylinder 100, and can detect the signal of the magnetic member at the preset position.
When the first diameter section 210 of the detection pin 200 enters the correct weld nut, the position of the magnetic element on the piston of the cylinder 100 is set to be a first position, when the first diameter section 210 of the detection pin 200 cannot enter the wrong weld nut, the position of the magnetic element on the piston of the cylinder 100 is set to be a second position, and when the second diameter section 220 of the detection pin 200 enters the weld nut hole or the wrong weld nut on the part, the position of the magnetic element on the piston of the cylinder 100 is set to be a third position.
In this embodiment, two detection sensors 300 may be disposed at the first position and the second position along the axial direction of the cylinder 100, and are respectively configured to detect signals of the magnetic member at the first position and the second position.
In another embodiment, in addition to the two detection sensors 300, one detection sensor 300 may be further disposed at the third position, for detecting the signal of the magnetic element at the third position.
In this embodiment, the rod end of the cylinder body of the cylinder 100 and the guide sleeve 500 are respectively connected to two opposite sides of the connection block 400, the piston rod of the cylinder 100 passes through the connection block 400 and extends into the guide sleeve 500, the detection pin 200 passes through the guide sleeve 500 and is connected with the piston rod of the cylinder 100, and the guide sleeve 500 provides a movement guide for the detection pin 200.
Referring to fig. 3, the working principle of the pen-shaped cylinder detection structure applied to error proofing is provided in this embodiment:
when the correct welding nut is clamped correctly, the cylinder 100 drives the detection pin 200 to extend, the first diameter section 210 enters the correct welding nut, the magnetic element on the piston of the cylinder 100 enters the detection range of the detection sensor 300 at the first position, and a first detection signal is triggered.
When the welding nut is missed, the second diameter section 220 of the detecting pin 200 enters the welding nut hole on the part, the magnetic element on the piston of the cylinder 100 is at the third position, and exceeds the detection range of the detecting sensor 300 at the first position and the second position, the detecting signal is not triggered, or the detecting range of the detecting sensor 300 at the third position is triggered to trigger the third detecting signal.
When the error welding nut is formed by error welding, the first diameter section 210 of the detection pin 200 cannot enter the error welding nut, and the magnetic member on the piston of the cylinder 100 is at the second position, enters the detection range of the detection sensor 300 at the second position, and triggers a second detection signal.
When the error welding nut is formed by error welding, the second diameter section 220 of the detection pin 200 enters the error welding nut, the magnetic member on the piston of the cylinder 100 is located at the third position, and the detection range of the detection sensor 300 at the first position and the second position is exceeded, the detection signal is not triggered, or the detection range of the detection sensor 300 at the third position is entered to trigger the third detection signal.
After the detection is completed, the cylinder 100 drives the detection pin 200 to retract, the welding track is avoided, and the production of the parts is started.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. Be applied to mistake proofing pen-shaped cylinder detection structure, characterized by comprising:
the piston of the cylinder (100) is provided with a magnetic piece;
the detection pin (200), one end of the detection pin (200) is connected with a piston rod of the air cylinder (100), the other end of the detection pin is sequentially provided with a first diameter section (210) and a second diameter section (220) from outside to inside, the diameter of the first diameter section (210) is smaller than the thread inner diameter of a correct welding nut, and the diameter of the second diameter section (220) is larger than the thread inner diameter of the correct welding nut but smaller than the inner diameter of a welding nut hole on a part;
and the detection sensor (300) is arranged at a preset position of the side wall of the cylinder body of the cylinder (100) and is used for detecting the magnetic part signal at the preset position.
2. The pen-shaped cylinder inspection structure applied to error proofing according to claim 1, wherein the diameter of the first diameter section (210) is larger than the inner diameter of the wrong weld nut having a smaller gauge than the right weld nut, and the diameter of the second diameter section (220) is smaller than the inner diameter of the wrong weld nut having a larger gauge than the right weld nut.
3. The pen-shaped cylinder detection structure for error proofing according to claim 1, wherein the outer end of the first diameter section (210) is provided with a first guide (230).
4. A pen-shaped cylinder detection structure applied to error proofing according to claim 3, characterized in that a second guide (240) is provided between the first diameter section (210) and the second diameter section (220).
5. The pen-shaped cylinder detection structure applied to error prevention according to claim 1, further comprising a connecting block (400) and a guide sleeve (500), wherein the rod end of the cylinder body of the cylinder (100) and the guide sleeve (500) are respectively connected to two opposite side surfaces of the connecting block (400), a piston rod of the cylinder (100) penetrates through the connecting block (400) to extend into the guide sleeve (500), and the detection pin (200) penetrates through the guide sleeve (500) to be connected with the piston rod of the cylinder (100).
6. The pen-shaped cylinder detection structure for error proofing according to claim 1, wherein the detection sensors (300) are provided in two, a first position and a second position distributed along the axial direction of the cylinder (100), for detecting the signals of the magnetic member at the first position and the second position, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322223644.4U CN220487999U (en) | 2023-08-18 | 2023-08-18 | Be applied to pen-shaped cylinder detection structure of mistake proofing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322223644.4U CN220487999U (en) | 2023-08-18 | 2023-08-18 | Be applied to pen-shaped cylinder detection structure of mistake proofing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220487999U true CN220487999U (en) | 2024-02-13 |
Family
ID=89831692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322223644.4U Active CN220487999U (en) | 2023-08-18 | 2023-08-18 | Be applied to pen-shaped cylinder detection structure of mistake proofing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220487999U (en) |
-
2023
- 2023-08-18 CN CN202322223644.4U patent/CN220487999U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220487999U (en) | Be applied to pen-shaped cylinder detection structure of mistake proofing | |
| CN112264783B (en) | Right gear lever handle assembling processing line and assembling process for automobile steering wheel | |
| WO2001062426A1 (en) | Method for positioning a welding bolt and bolt welding head | |
| DE102012008857A1 (en) | Method for checking tightness of gas unit of motor vehicle involves moving sensing element arranged in robot arm of robot over tank connecting piece to filling of gas tank and components of gas unit of motor vehicle in test center | |
| CN203791920U (en) | Stud jig and stud | |
| CN114633102A (en) | Slewing bearing assembly system based on industrial robot | |
| CN215469094U (en) | Leak protection device capable of automatically clamping after welding | |
| DE3331101C2 (en) | Monitoring device for a welding tool held by an industrial robot | |
| KR102501376B1 (en) | Ball slip bush assembly directional inspection device for shaft joint ball assembly | |
| CN218787790U (en) | Nut installation detection tool | |
| CN210046186U (en) | Welding spot detection tool | |
| CN210512901U (en) | White automobile body fast speed adjusting detects and assists utensil | |
| JP3010980B2 (en) | Installation error position display device in automatic assembly equipment | |
| CN214122047U (en) | Vehicle frame weld joint detection device | |
| CN207120150U (en) | Working piece positioning device | |
| CN217045357U (en) | Slewing bearing assembly system | |
| CN110823049A (en) | Rear suspension lower body checking fixture and detection method thereof | |
| CN216729179U (en) | A gear shaft lock ring riveting tools and riveting equipment for auto steering ware | |
| CN220084077U (en) | Inspection tool for rear trailing arm reinforcing structure | |
| CN220864028U (en) | Turnover mechanical clamping jaw with measurement function | |
| CN210833297U (en) | Line marking mechanism for detecting sheet metal part of real vehicle | |
| CN214150497U (en) | Frame welding seam detection device installing support | |
| CN214426645U (en) | Bolt detection device based on laser rangefinder | |
| KR102660784B1 (en) | Pinch bolt yoke hole position inspection device | |
| KR101666795B1 (en) | Inspection device of packge for vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |