A processing technology of rear side bar bracket
A processing technology and technology, which is applied in the processing technology field of the rear side bar bracket, can solve the problems of easy fracture of the welding position, large thickness of the plate, high vibration amplitude, etc., and achieve the effect of improving mechanical strength, reducing enterprise cost, and reducing weight
Active Publication Date: 2020-06-30
NANTONG FULEHUA MACHINERY CO LTD
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Problems solved by technology
The traditional bracket connects the trapezoidal plate and the rectangular folded edge through the welding process. Due to the high vibration amplitude of the installation position of the bracket on the car, the welding position is easy to break, and the welded plate is thick and heavy, resulting in waste of materials, so There is an urgent need for a new processing technology to solve the above problems
Method used
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Embodiment Construction
[0020] Such as Figure 1-2 Said, a processing technology of the rear side bar bracket, the process is first prepared by blanking punching-folding-bending-punching-turning-punching process, the rear side bar bracket is L type, the rear side bar bracket is composed of a right-angled trapezoid 1 and a rectangular hem 2, the right-angled trapezoid 1 and the rectangular hem 2 are integrally formed, and a reinforcing hem 3 is provided on the right-angled trapezoid 1 and the rectangular hem 2, the right-angled trapezoid The shortest end of 1 is provided with a U-shaped hole 8, and the center of the right-angled trapezoid 1 is provided with a quadrilateral hole 5. A through hole 7 is provided at the bending position, and a notch 6 is provided on the rectangular folded edge 2; the process steps are as follows:
[0021] Step 1. Blanking and punching: carry out sample layout on the drop punching die, and install the drop punching die after sample layout on the punching machine, place th...
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The invention discloses a processing technology for a rear side lever bracket. The rear side lever bracket is prepared by adopting the following processes of blanking punching, edge folding, bending,punching, hole flanging and screeding. The rear side lever bracket is L-shaped, and comprises a right-angled trapezoid and a rectangular edgefold which are molded integrally; reinforcing edgefolds arearranged on the right-angled trapezoid and the rectangular edgefold; a U-shaped hole is formed in the shortest end of the right-angled trapezoid; a quadrangular hole is formed in the center of the right-angled trapezoid; a trapezoidal hole is provided with a reinforcing edgefold; a mounting hole is formed in the rectangular edgefold; a through hole is formed in the bending position of the rectangular edgefold; and a gap is formed in the rectangular edgefold. Through the punching process, the manufacturing of the bracket is realized, the application of a plate is reduced, and the vibration resistance effect of the bracket is enhanced; the mechanical strength of the bracket is improved by arranging an edge folding pressing rib on the bracket; and the edge of the mounting hole forms a vertical edge by flanging the mounting hole, so that the vibration resistance effect and the firmness of the bracket during mounting are improved.
Description
technical field [0001] The invention belongs to the field of mechanical processing, and in particular relates to a processing technology for a rear side bar bracket. Background technique [0002] This bracket is used on the automobile oil cooler. The oil cooler is composed of cooling pipes, cooling fins, pressure limiting valves and switches. The function of the oil cooler is to cool the lubricating oil and keep the oil temperature within the normal working range. On high-power enhanced engines, due to the large heat load, an oil cooler must be installed. When the engine is running, the lubricating ability is reduced because the viscosity of the oil becomes thinner as the temperature rises. Therefore, some engines are equipped with an oil cooler, whose function is to reduce the temperature of the oil and maintain a certain viscosity of the lubricating oil. The oil cooler is arranged in the circulating oil circuit of the lubrication system. [0003] The bracket used in the...
Claims
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IPC IPC(8): B21D53/84
CPCB21D53/84
Inventor 陈建华
Owner NANTONG FULEHUA MACHINERY CO LTD