Projection welding bolt and nut welding strength detection equipment
A technology for bolts and nuts and welding strength, applied in the field of welding strength testing equipment for projection welding bolts and nuts, can solve problems such as weak welding, safety accidents, functional failures, etc., and achieve the effects of simple detection operation, simple structure design and low manufacturing cost.
Pending Publication Date: 2019-12-20
CHERY COMML VEHICLE ANHUI
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Problems solved by technology
Projection welding bolts, nuts and weak welding problems often occur in the production and manufacturing of main engine factories. Once the problems of false welding and weak welding occur, assembly parts will fall off and function will fail, causing strong complaints from customers and even causing safety accidents.
Method used
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Embodiment Construction
[0021] The specific implementation manner of the present invention will be described in further detail below by describing the embodiments with reference to the accompanying drawings.
[0022] Such as figure 1 and figure 2 As shown, the welding strength detection equipment for projection welding bolts and nuts includes a base plate 1, a push cylinder 5, a pressure head 7 for detection, and a pressure sensor; vertical baffle plates 2 and support plates 3 are arranged side by side on the base plate, Pushing cylinder 5 is located on base plate or support plate, and pressure head 7 is located at the end of piston rod 6 of pushing cylinder, and pressure sensor is located on the baffle relative to pressure head.
[0023] The push cylinder 5 is arranged on the base plate, and the push cylinder is positioned at one side of the support plate, and the pressure head is positioned at the other side of the support plate. The support plate is provided with a guide hole for the piston rod ...
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The invention discloses projection welding bolt and nut welding strength detection equipment, which comprises a bottom plate, a pushing cylinder, a pressing head used for detection and a pressure sensor, wherein a vertical baffle plate and a vertical supporting plate are arranged on the bottom plate side by side at intervals, the pushing cylinder is arranged on the bottom plate or the supporting plate, the pressing head is arranged at the end portion of a piston rod of the pushing cylinder, and the pressure sensor is arranged on the baffle plate relative to the pressing head. The projection welding bolt and nut welding strength detection equipment is simple in structural design, can solve the problem that projection welding quality detection is inconvenient, and is simple and convenient indetection operation, durable and low in manufacturing cost; and the projection welding bolt and nut welding strength detection equipment is universal for detection of projection welding nuts, bolts and screws of various models, and the detection range is wide.
Description
technical field [0001] The invention relates to the technical field of automobile welding, in particular to a welding strength detection device for projection welding bolts and nuts. Background technique [0002] In the current automobile manufacturing industry, the projection welding process is an indispensable welding method. On average, there are hundreds of projection welding bolts or nuts of various sizes on each cab. The main advantages of the projection welding process are: 1. Low welding noise, no arc irradiation, and good working conditions; 2. High production efficiency and saving a lot of auxiliary materials. [0003] Because projection welding products are essential parts in automobiles, their welding quality is also the most important. Projection welded bolts, nuts with weak welds and weak welds often occur in the production and manufacturing of OEMs. Once the problems with weak welds or weak welds occur, assembly parts will fall off and function will fail, cau...
Claims
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IPC IPC(8): G01N3/12
CPCG01N3/12G01N2203/0003G01N2203/0019G01N2203/0044
Inventor 蔡交华胡金光
Owner CHERY COMML VEHICLE ANHUI