Detection device for preventing welding omission of stud welding of automobile parts

Abstract

The utility model discloses a detection device for preventing welding omission in stud welding of automobile parts, which is characterized in that an angle seat is mounted at a position where stud welding needs to be detected, a detection cylinder is mounted on the angle seat through a cylinder fixing support, a movable rod is arranged in the detection cylinder and can extend out of the detection cylinder during working, a detection joint is mounted on the movable rod, and the detection joint is connected with a detection rod. The first magnetic sensor and the second magnetic sensor are located at the tail end and the front end of the detection cylinder respectively, the air inlet pipe is installed at the tail end of the detection cylinder, the air inlet pipe is connected with the inflation device and used for ventilating to push a movable rod in the detection cylinder, the inflation device is connected with the electromagnetic valve and used for achieving work of the inflation device, and the air outlet pipe is installed at the front end of the detection cylinder; the controller is connected with the electromagnetic valve, the valve terminal, the first magnetic sensor and the second magnetic sensor. According to the utility model, the working efficiency is high, and the problem that contact type detection mainly depends on manual inspection can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the detection device of automobile manufacturing stud welding, especially a detection device for automobile parts stud welding leak welding. BACKGROUND

[0002] At present, in the modern manufacturing industry, especially in the fields of automobile manufacturing, electronic equipment manufacturing, mechanical equipment manufacturing, stud welding is a common and key connection process. In the modern automobile manufacturing industry, stud welding is a common connection process, which forms a firm connection structure by directly welding studs to the vehicle body or other parts. This process is widely used in the production of automobile parts, including vehicle body frames, chassis components and interior trim parts. Due to various factors in the production process, such as equipment failure, human operation errors, raw material problems, etc., the stud may be missed welded. The missed welded stud will seriously affect the structural strength, stability and safety of the product.

[0003] The existing stud welding quality detection device mainly relies on manual inspection for contact detection. With the continuous improvement of the requirements of automobile manufacturing industry on product quality and reliability, the traditional method of relying on manual inspection or using simple sensors for contact detection of stud welding has been difficult to meet the needs of automobile manufacturing. This method not only has low detection efficiency, but also is prone to missed detection and misjudgment.

[0004] How to solve the above problems has become a technical problem to be solved. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a detection device for automobile parts stud welding leak welding with high working efficiency, which can effectively avoid the problem of mainly relying on manual inspection for contact detection.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A kind of detection device for automobile parts stud welding leak-proof welding, including workpiece, angle seat, detection cylinder, movable rod, cylinder fixed support, detection joint, first magnetic sensor, second magnetic sensor, air inlet pipe, air outlet pipe, electromagnetic valve, valve island, controller, the angle seat is installed in the position needing to detect stud welding, the movable rod is located in the detection cylinder and movable rod can extend outside detection cylinder when working, detection joint is installed on the movable rod, the detection joint is used to detect whether the workpiece is welded stud welding, the first magnetic sensor is located at the end of the detection cylinder, the second magnetic sensor is located at the front end of the detection cylinder, the first magnetic sensor and the second magnetic sensor are used to induct the position of movable rod, the air inlet pipe is installed at the end of the detection cylinder, the air inlet pipe is connected with the inflating equipment for air to push movable rod in the detection cylinder, inflating equipment is connected with electromagnetic valve for realizing the work of inflating equipment, the air outlet pipe is installed at the front end of the detection cylinder, for discharging the gas of movable rod in the detection cylinder;Wherein, the controller is connected with electromagnetic valve, valve island, first magnetic sensor, second magnetic sensor respectively.

[0008] Preferably, it further includes magnetic sensor support installed on the detection cylinder, and the first magnetic sensor and the second magnetic sensor are both installed on the magnetic sensor support.

[0009] Preferably, the detection joint is installed on the end of the movable rod that can extend out of the detection cylinder when working.

[0010] Due to the adoption of the above structure, the utility model has the beneficial effects as follows:

[0011] In the utility model, the angle seat is installed at the position needing to detect stud welding, the movable rod is arranged in the detection cylinder and can extend out of the detection cylinder when the movable rod works, the detection joint is installed on the movable rod, the detection joint is used for detecting whether the workpiece is welded with stud welding, the first magnetic sensor is located at the tail end of the detection cylinder, the second magnetic sensor is located at the front end of the detection cylinder, the first magnetic sensor and the second magnetic sensor are used for sensing the position of the movable rod, the air inlet pipe is installed at the tail end of the detection cylinder, the air inlet pipe is connected with the inflating equipment and is used for ventilating and pushing the movable rod in the detection cylinder, the inflating equipment is connected with the electromagnetic valve and is used for realizing the work of the inflating equipment, the air outlet pipe is installed at the front end of the detection cylinder and is used for discharging the gas of the movable rod in the detection cylinder, wherein the controller is connected with the electromagnetic valve, the valve island, the first magnetic sensor and the second magnetic sensor respectively.

[0012] The utility model will become more clearly through the following description and combining with the drawings, these drawings are used to explain the embodiment of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly explain the technical scheme in the embodiment of the utility model, the following will introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only is some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0014] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0015] Fig. 2 It is the control part structure schematic diagram of the utility model.

[0016] Legend: 1, workpiece;2, angle seat;3, detection cylinder;4, movable rod;5, cylinder fixed support;6, detection joint;7, magnetic sensor support;8, first magnetic sensor;9, second magnetic sensor;10, air inlet pipe;11, air outlet pipe;12, electromagnetic valve;13, valve island;14, controller. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0018] Reference Figs. 1-2 A detection device for automobile parts stud welding leaky welding includes: workpiece 1, angle seat 2, detection cylinder 3, movable rod 4, cylinder fixed support 5, detection joint 6, magnetic sensor support 7, first magnetic sensor 8, second magnetic sensor 9, air inlet pipe 10, air outlet pipe 11, electromagnetic valve 12, valve island 13, controller 14. The angle seat 2 is installed at the position needing to detect stud welding, the detection cylinder 3 is installed on the angle seat 2 through the cylinder fixed support 5, the movable rod 4 is arranged in the detection cylinder 3 and can extend out of the detection cylinder 3 when working, the detection joint 6 is installed on the movable rod 4, the detection joint 6 is installed at the end of the detection cylinder 3 when the movable rod 4 works, the detection joint 6 is used to detect whether the workpiece 1 is welded with stud welding, the magnetic sensor support 7 is installed on the detection cylinder 3, wherein the first magnetic sensor 8 is installed at the end of the detection cylinder 3 through the magnetic sensor support 7, the second magnetic sensor 9 is installed at the front end of the detection cylinder 3 through the magnetic sensor support 7, the first magnetic sensor 8 and the second magnetic sensor 9 are used to induct the position of the movable rod 3, the air inlet pipe 10 is installed at the end of the detection cylinder 3, the air inlet pipe 10 is connected with the inflating equipment and is used to ventilate and push the movable rod 4 in the detection cylinder 3, the inflating equipment is connected with the electromagnetic valve 12 and is used to realize the work of the inflating equipment, the air outlet pipe 11 is installed at the front end of the detection cylinder 3 and is used to discharge the gas of the movable rod 4 in the detection cylinder 3, wherein the controller 14 is connected with the electromagnetic valve 12, the valve island 13, the first magnetic sensor 8 and the second magnetic sensor 8 respectively.

[0019] The electromagnetic valve 12 and the valve island 13 are combined together and matched with the controller 14, which is used for the ventilation control of the air inlet pipe 10 and the air outlet pipe 11 installed on the detection cylinder 3, and realizes the sliding of the movable rod 4 on the detection cylinder 3. Specifically, the controller 14 is used for controlling whether the electromagnetic valve 12 and the valve island 13 are powered on, the controller 14 receives the signals of the first magnetic sensor 8 and the second magnetic sensor 9, is used for judging the stud welding condition of the workpiece 1, the controller 14 sends a welding instruction for realizing the re-welding of the workpiece 1 in the case of incomplete welding, and the controller 14 sends a workpiece taking instruction for realizing the taking of the workpiece 1 in the case of no incomplete welding.

[0020] When the stud welding of the workpiece 1 is completed, the controller 14 controls the electromagnetic valve 12 to be powered on, so that the air inflation device is driven to introduce compressed air into the air inlet pipe 10, the movable rod 4 in the detection cylinder 3 is extended, the first magnetic sensor 8 senses the movable rod 4, and the first magnetic sensor 8 cannot sense the movable rod 4. When the detection connector 6 contacts the stud welded well of the workpiece 1, the movable rod 4 cannot continue to extend forward due to the resistance of the stud of the workpiece 1, the second magnetic sensor 9 of the detection cylinder 3 cannot sense the movable rod 3, the controller 14 receives the signal, judges that the stud of the workpiece 1 has no incomplete welding, and the controller 14 receives the information and controls the workpiece 1 to be taken to the next station; when the detection connector 3 cannot contact the stud welded well of the workpiece 1, the second magnetic sensor 9 of the detection cylinder 3 senses the movable rod 4, the controller 14 judges that the stud welding of the workpiece 1 is incomplete, the controller 14 receives the information and controls the workpiece 1 to return to perform stud welding again.

[0021] The above describes the preferred embodiment of the utility model. It should be understood that the utility model is not limited to the above specific implementation, and the devices and structures not described in detail should be understood as being implemented in the ordinary way in the art; any person skilled in the art can make many possible changes and modifications to the technical scheme of the utility model by using the disclosed methods and technical contents without departing from the scope of the technical scheme of the utility model, or modify equivalent embodiments with equivalent changes, which does not affect the essential content of the utility model. Therefore, any simple modification, equivalent change and modification made to the above embodiment according to the technical essence of the utility model without departing from the technical scheme of the utility model, still belongs to the protection scope of the technical scheme of the utility model.

Claims

1. A detection device for detecting missed welding of an automobile part stud welding, characterized in that: The utility model relates to a kind of screw stud welding detection device, including workpiece, corner seat, detection cylinder, movable rod, cylinder fixed support, detection joint, first magnetic sensor, second magnetic sensor, air inlet pipe, air outlet pipe, electromagnetic valve, valve island, controller, the corner seat is installed in the position needing to detect screw stud welding, the detection cylinder is installed on the corner seat by cylinder fixed support, the movable rod is located in the detection cylinder and movable rod can be extended outside detection cylinder when movable rod works, detection joint is installed on the movable rod, the detection joint is used to detect whether the workpiece is welded good screw stud, the first magnetic sensor is located in the end of the detection cylinder, the second magnetic sensor is located in the front end of the detection cylinder, the first magnetic sensor and the second magnetic sensor are used to induct the position of movable rod, the air inlet pipe is installed in the end of the detection cylinder, the air inlet pipe is connected with inflating equipment for air to push movable rod in the detection cylinder, inflating equipment is connected with electromagnetic valve for realizing the work of inflating equipment, the air outlet pipe is installed in the front end of the detection cylinder, for discharging the gas of movable rod in the detection cylinder;Wherein, the controller is connected with electromagnetic valve, valve island, first magnetic sensor, second magnetic sensor respectively. ​ 2. A device for detecting leaky welding of a stud bolt for an automobile part according to claim 1, characterized in that: It also includes magnetic sensor support installed on detection cylinder, and the first magnetic sensor and the second magnetic sensor are installed on magnetic sensor support.

3. A device for detecting leaky welding of a stud bolt for an automobile part according to claim 2, characterized in that: The detection joint is installed in the end of movable rod that can be extended out of detection cylinder when movable rod works.

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