Hydraulic expanding die of oil storage drum of shock absorber
A technology of hydraulic bulging and oil storage cylinders, which is applied in the direction of forming tools, manufacturing tools, metal processing equipment, etc., can solve the problems of long operation time, high scrap rate, and unstable processing, and achieve uniform bulging parts and good structure Simple, easy-to-scale effects
Inactive Publication Date: 2010-03-17
LEACREE CHENGDU
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Problems solved by technology
[0002] There are many types of automobile shock absorbers today. Many shock absorbers require bulging processing for their oil storage cylinders due to their functions. The existing bulging technology mainly uses extrusion metal molds to bulge However, this processing method takes a long time to operate, the process is relatively complicated, and the product molding size is not stable, and the bulging position of the processed oil storage cylinder is irregular, which affects the appearance of the product and its processing is unstable. Sexuality also causes the scrap rate to be too high, increases the cost, and is not easy to meet the needs of the reducer
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[0014] The present invention will be further elaborated below in conjunction with the accompanying drawings.
[0015] Such as figure 1 , figure 2 As shown, the hydraulic bulging mold of the shock absorber oil storage cylinder of the present invention comprises an oil storage cylinder 1, and the mold is composed of a positioning seat 2, a stripping plate 11, a mold base 3, a mold cover 4, a plastic pressure head 5, a mold The cavity 6, the upper mandrel 9 and the lower mandrel 10 are formed. The mold base 3 is fixed above the positioning seat 2 with bolts. The mold sleeve 4 is fitted on the mold base 3 through the threads on its inner surface. Control handle 8; lower mandrel 10 runs through the mold case 4 and mold base 3, and is fixed on the stripping plate 11 by bolts, and there is a stripping cushion 7 on the top of the stripping plate 11 and surrounds the lower mandrel 10, inside the mold case 4 A mold cavity 6 is provided, and the mold cavity 6 is a three-lobed structur...
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The invention discloses a hydraulic expanding die of an oil storage drum of a shock absorber, which relates to the field of auxiliary workpiece processing tool, and comprises an oil storage drum. Thedie consists of a locating device, a die holder, a die sleeve, a plastic squeeze head, a die cavity, an upper mandrel and a lower mandrel; the die holder is fixed above a locating seat; the die sleeveis arranged on the die holder through a thread bushing; the die cavity is arranged inside the die sleeve; the lower mandrel penetrates the die sleeve and is fixed on the locating device; the upper mandrel is arranged above the lower mandrel; and the plastic squeeze head is arranged between the upper mandrel and the lower mandrel. The squeeze deformation characteristic of the plastic squeeze headprepared by processing polyurethane is used for squeezing the upper mandrel downwards through a hydraulic pressure machine and the plastic squeeze head expands to the side surface after being pressed;and under the cooperation of the inner surface forming groove of the die sleeve, expanding bulging processing can be implemented on the oil storage drum according to demands, and the expanding part is uniform and beautiful.
Description
technical field [0001] The invention relates to an auxiliary tool for workpiece processing, in particular to a hydraulic bulging mold for a shock absorber oil storage cylinder. Background technique [0002] There are many types of automobile shock absorbers today. Many shock absorbers require bulging processing for their oil storage cylinders due to their functions. The existing bulging technology mainly uses extrusion metal molds to bulge However, this processing method takes a long time to operate, the process is relatively complicated, and the product molding size is not stable, and the bulging position of the processed oil storage cylinder is irregular, which affects the appearance of the product and its processing is unstable. Insufficiency also causes the scrap rate to be too high, increases the cost, and is not easy to meet the needs of the reducer. Contents of the invention [0003] The object of the present invention is to solve the above-mentioned disadvantages ...
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Login to View More IPC IPC(8): B21D37/10B21D37/12B21D37/01
Inventor 蒋斌刘强谭斌吴秀华
Owner LEACREE CHENGDU