Positioning device for cutting of additional front cover of hydro-bulging forming automobile axle housing pipe fitting
A technology for positioning devices and pipe fittings, applied in auxiliary devices, welding/cutting auxiliary equipment, applications, etc., can solve the problems of difficult to clean slag, inaccurate positioning, low efficiency, etc., to achieve low processing cost, meet the requirements of positioning accuracy, Easy-to-use effects
Active Publication Date: 2018-09-07
YANSHAN UNIV
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Problems solved by technology
[0005] In order to overcome the problems of low efficiency, inaccurate positioning, and difficult cleaning of slag generated during the cutting process in the current production practice of the additional front cover of the automobile axle housing pipe fittings formed by expansion and compression, the present invention provides a The positioning device for front cover cutting is added to the axle housing pipe fittings, which can realize multi-task integrated design, and can quickly and accurately position the automobile axle housing pipe fittings formed by expansion and compression, so that the hole shape after cutting meets the welding requirements of the reinforcement ring, and the cutting process The slag generated in the process will not splash on the inner wall of the axle housing, which is easy to clean and has high production efficiency
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[0025] In the embodiment, two slopes (P f1 ,, P r1 ) between the angle θ 1 and the two slopes of the right bridge wrapping area (P f2 ,, P r2 ) between the angle θ 2 Same, equal to 46°. The outer diameter of the round tube area of the axle housing tube fittings φD 1 =115mm, the height H of the square tube area of the axle housing tube 1 =120mm, width B of the square tube area of the axle housing tube 1 =111mm, the height H of the axle envelope area of the axle housing pipe fittings 2 =362mm, the width of the bridge envelope area B 2 =221mm, the maximum height H of the slot to be cut 3 =314mm, the transition fillet R of the square tube area of the axle housing pipe fittings and the axle envelope area 1 = 150mm.
[0026] A positioning device for cutting the additional front cover of automobile axle housing pipe fittings formed by expansion and compression ( Figure 5 ), the positioning device includes a positioning system, a sealing system, a liquid filling...
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The invention discloses a positioning device for cutting of an additional front cover of a hydro-bulging forming automobile axle housing pipe fitting. The positioning device is characterized in that the left side and the right side of a front sliding plate (11) and the left side and the right side of a rear sliding plate (20) are correspondingly provided with plane connecting rod mechanisms I (21)and plane connecting rod mechanisms II (21') with the same structure in a positioning system, a driving mechanism pushes the rear sliding plate (20) to move, and the front sliding plate (11) and therear sliding plate (20) synchronously do motion at equal distances from outside to inside along a transverse guide rail, so that the inclined surfaces at the two sides of the axle package area of theaxle housing pipe fitting are clamped by four rolling wheels installed on the front sliding plate (11) and the rear sliding plate (20); a sealing block I (8) and a sealing block II (8') are pushed bya cylinder I (3) and a cylinder II (3') to achieve end sealing of the axle housing pipe fitting (14) in a sealing system; and a liquid filling system is used for filling the interior of the axle housing pipe fitting (14) with liquid, so that molten slag generated in the cutting process is not attached to the axle housing inner wall. The positioning device is simple in structure, capable of quicklyand accurately positioning the hydro-bulging forming axle housing pipe fitting (14), capable of conveniently removing the molten slag and high in production efficiency.
Description
technical field [0001] The invention relates to a positioning device for cutting pipe parts, in particular to a positioning device for cutting additional front covers of automobile axle housing pipe parts formed by expansion and compression. Background technique [0002] The automobile axle housing is an important load-bearing and force-transmitting part of the automobile. It has large geometric size, complex shape, and heavy weight (the weight of the medium-sized axle housing is about 40kg, and the weight of the heavy-duty axle housing is more than 100kg). The automobile axle housing expansion and compression forming process is a new process for manufacturing drive axle housings. The expansion and compression forming axle housing body has no welds, and has the advantages of high material utilization rate, reasonable wall thickness distribution and long service life. When the automobile axle housing is manufactured by expansion and compression forming technology, a certain s...
Claims
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IPC IPC(8): B23K37/04B23K10/00B23K101/04
CPCB23K10/00B23K37/0426
Inventor 王连东邓海玲王晓迪宋希亮苗磊
Owner YANSHAN UNIV