Self-locking nut mouth shrinkage device
A technology of self-locking nut and closing device, applied in the direction of nuts, threaded fasteners, connecting components, etc., can solve the problems of poor consistency of closing size, low closing precision, and hurt people's fingers, etc., and achieve shape and position tolerances. Satisfaction, high dimensional accuracy and easy operation
Active Publication Date: 2015-06-17
AEROSPACE PRECISION PROD INC LTD
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[0021] Such as Figure 1 to Figure 5 As shown, the present invention provides a self-locking nut closing device, including upper and lower mold bases, an upper module 8, a lower module 9 and a guide post 3, the guide post 3 has a guide sleeve 4, the lower mold base and the guide post 3 Fixed, the upper mold base and the guide sleeve 4 are fixed, the upper and lower mold bases are respectively connected with the upper module 8 and the lower module 9 on the corresponding surface, the lower mold base has a lower fixing plate 17, and the lower fixing plate 17 is connected with the lower mold base. Fixing, the lower fixing plate 17 has a draw-in groove 14 that can place the lower module 9, and the lower fixing plate 17 and a baffle plate 11 are fixed with screws 16 to clamp the lower module 9. There is an upper fixed plate 6 on the upper mold base, and the upper fixed plate 6 is fixed with the upper mold base. The upper fixed plate 6 has a draw-in groove that can place the upper mo...
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The invention provides a self-locking nut mouth shrinkage device. The self-locking nut mouth shrinkage device comprises an upper die holder, a lower die holder, an upper die block, a lower die block and guide pillars, wherein the guide pillars are provided with guide bushings, the lower die holder is fixed with the guide pillars, the upper die holder is fixed with the guide bushings, and corresponding faces of the upper die holder and the lower die holder are respectively connected with the upper die block and the lower die block. A face of the upper die block, which is opposite to the lower die block, is provided with a groove, and the shape of the groove is matched with the shape of a mouth shrinkage section of a self-locking nut in a needed shape. An E face which is used for limiting the length of the mouth shrinkage section of the self-locking nut is arranged on the groove. A face of the lower die block, which is corresponding to the upper die block, is provided with a groove, wherein the shape and the size of the groove on the lower die block are identical with the shape and the size of the groove on the upper die block, and positions of the two grooves are corresponding. The self-locking nut mouth shrinkage device has the advantages that a processing method is simple and convenient to operate, efficiency is high, safety is good, dimensional accuracy of processed products is high, and furthermore form and location tolerance of the processed products can meet design requirements.
Description
technical field [0001] The invention belongs to the field of mechanical parts processing equipment, and in particular relates to a self-locking nut closing device. Background technique [0002] Because self-locking nuts have been widely used in aviation and aerospace fields. Its relevant standards have precise requirements for the closing position, shape and size of self-locking nuts, and the requirements for dimensional consistency are higher. Therefore, the closing method of the self-locking nut is particularly important. At present, the closing of self-locking nuts is mostly carried out on a punching machine, but the device used is relatively complicated, the closing precision is not high, the size of the closing is not consistent, and there is a danger of bruising people's fingers. Contents of the invention [0003] The problem to be solved by the invention is to provide a self-locking nut closing device. [0004] In order to solve the above-mentioned technical prob...
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IPC IPC(8): B21D53/24B21D37/10
Inventor 何建平王家明殷小健
Owner AEROSPACE PRECISION PROD INC LTD