Metal deforming – By application of fluent medium – or energy field – Using fixed die
Patent
1976-12-16
1978-03-14
Gilden, Leon
Metal deforming
By application of fluent medium, or energy field
Using fixed die
7245301, 227130, B21D 2210
Patent
active
040784096
ABSTRACT:
The disclosed hammer comprises a power frame, having a working chamber for the deforming medium, a die block adapted to accommodate therein a blank and an impact head with a housing having fastened therein a hollow separating bush coaxial with the housing. Received concentrically within this bush is a sleeve enclosing a plunger mounted in this sleeve for vertical reciprocation, to define a working cylinder between the top end face of the plunger and the bottom of the sleeve. An annular space is defined by the housing of the impact head and the body of the separating bush, surrounding the working cylinder and communicating with the hydraulic hammer control system. The essence of the invention consists in that the working chamber for the deforming medium, has a built-in container having a bottom made of an elastic material. The container is mounted for cooperation of its bottom with the blank accommodated in the die block. In its turn, the die block is mounted for horizontal reciprocation, so that the blank can be placed thereupon outside the working chamber, whereafter the die block can be fed together with the blank to underlie the bottom of the container; the die block being also adjustable in a vertical plane to ensure a sealing engagement with the bottom of the container. The advantage of the present invention consists in higher efficiency of the disclosed hammer, as compared with the hitherto known hammers of a similar type.
REFERENCES:
patent: 3180776 (1965-04-01), Hessel
patent: 3222914 (1965-12-01), Morahan
patent: 3376723 (1968-04-01), Cholminski
patent: 3507143 (1970-04-01), Gevy
Bronin Georgy Konstantinovich
Byzov Jury Nikolaevich
Gusev Alexei Andreevich
Kononov Ivan Vasilievich
Nesterov Viktor Ivanovich
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