Positioning device for cutting the additional front cover of automobile axle housing pipe fittings formed by expansion and compression
A technology for positioning devices and pipe fittings, applied in auxiliary devices, welding/cutting auxiliary equipment, applications, etc., can solve problems such as low efficiency, difficult to clean slag, inaccurate positioning, etc., achieve convenient operation, low processing cost, and satisfy positioning Effect of Accuracy Requirements
Active Publication Date: 2021-02-09
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 = 150 mm.
[0026] Figure 5 The invention discloses a positioning device for cutting an attached front cover of an automobile axle housing pipe fitting formed by expansion and compression. The positioning device includes a positioning system, a sealing system, ...
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The invention discloses a positioning device for cutting an additional front cover of an automobile axle housing tubular part formed by expansion and compression. Planar linkage mechanisms I and II (21, 21') with the same structure are arranged on the left and right sides of the front slide plate (11) and the rear slide plate (20) of the positioning system; the driving mechanism pushes the rear slide plate (20) to move, and the front slide plate (11 ), the rear skateboard (20) moves inwardly and synchronously along the transverse guide rail at equal distances, so that the four rollers installed on the front skateboard (11) and the rear skateboard (20) clamp the inclined surfaces on both sides of the axle housing pipe fittings; Cylinders Ⅰ, Ⅱ (3, 3′) of the sealing system push the sealing blocks Ⅰ, Ⅱ (8, 8′) to realize the end sealing of the axle housing pipe (14); the liquid filling system injects liquid into the axle housing pipe (14), The slag generated during the cutting process will not be attached to the inner wall of the axle housing. The invention has a simple structure, can quickly and accurately position the axle housing pipe fittings (14) formed by expansion and pressure, and has the advantages of convenient cleaning of molten slag and high 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