Axial pre-tightening device of ball screw
A technology of axial pre-tightening and ball screw, which is applied in the direction of feeding device, metal processing machinery parts, maintenance and safety accessories, etc., can solve the problem of insufficient axial force of adjustment accuracy, and achieve the purpose of improving adjustment accuracy and increasing axial force. The effect of power and convenient operation
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[0012] The present invention will be further described below in conjunction with the accompanying drawings: the ball screw axial pretensioning device includes a machine bed body 4, the front end of the machine tool bed body 4 is provided with a servo motor bearing seat 2, the rear end is provided with a rear bearing seat 5, and the servo motor bearing A ball screw pair 9, a compression nut 10, a bearing gland 11 and a bearing assembly 12 are installed in the seat 2, and a protruding guide tenon 7 is provided on the servo motor bearing seat 2, and the machine tool corresponding to the servo motor bearing seat 2 The body 4 is provided with a guide groove 6, and the two cooperate with each other. The guide tenon 7 is provided with an adjustment screw 3, and the adjustment screw 3 is connected with the fixed plate 1 on the machine bed body 4, and the machine tool bed body corresponding to the rear bearing seat 5 4 is provided with a boss 8, and the boss 8 is in contact with the rea...
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