JPH0233302U

JPH0233302U -

Info

Publication number: JPH0233302U
Application number: JP11118088U
Authority: JP
Priority date: 1988-08-26
Filing date: 1988-08-26
Publication date: 1990-03-02

Description

[Brief explanation of the drawing]

第１図はこの考案による雌ねじ摩耗量検出装置
を適用したスピンドル駆動装置を示す断面図、第
２図は第１図の雌ねじ摩耗量検出装置における検
出部を示す正面図、及び第３図は従来の雌ねじ摩
耗量検出装置の一例を示す断面図である。２，３……スプライン、７……スリーブ、８，
２４……ハウジング、９……ベアリング、１０…
…雌ねじ部材、１１……中間管部材、１５……ガ
イドピン、１６……モデル雌ねじ、１７……環状
溝、１９……指示針ブロツク、２０……ガイドピ
ン、２３……目盛板、２５……スピンドル、２７
……雌ねじ、２８……雄ねじ、３０……指示針。 FIG. 1 is a sectional view showing a spindle drive device to which the female thread wear amount detection device according to the present invention is applied, FIG. 2 is a front view showing the detection section of the female thread wear amount detection device of FIG. 1, and FIG. 3 is a conventional one. FIG. 2 is a cross-sectional view showing an example of a female thread wear amount detection device. 2, 3...Spline, 7...Sleeve, 8,
24...Housing, 9...Bearing, 10...
... Female thread member, 11 ... Intermediate tube member, 15 ... Guide pin, 16 ... Model female thread, 17 ... Annular groove, 19 ... Indicator block, 20 ... Guide pin, 23 ... Scale plate, 25 ... ...Spindle, 27
...Female thread, 28...Male thread, 30...Indicator needle.

Claims

[Claims for Utility Model Registration] (1) A female threaded member spline-fitted within a sleeve rotatably attached to the housing, a male threaded spindle that meshes with the female threaded member and is movable in the axial direction, and is integral with the female threaded member. a model female thread that is rotatably attached to the spindle and movable in the axial direction with respect to the female thread member, an indicator block that is movable in the axial direction integrally with the model female thread, and the indicator block A female thread wear amount detection device for a spindle drive device, comprising a scale plate capable of displaying the amount of movement. (2) The model female thread is slidably attached to a pin fixed to the upper end of the intermediate pipe member fixed to the female thread member, and the lower end of the intermediate pipe member is in contact with the upper end of the female thread member. 2. The female thread wear amount detection device in a spindle drive device according to claim 1. (3) Female thread wear in the spindle drive device according to claim 1, wherein the female thread member is made of a material softer than the spindle, such as gunmetal, and receives the load of the spindle and the load attached to the spindle. Quantity detection device. (4) the scale plate is fixed to the housing;
The indicator block includes a protrusion that rotatably fits into the outer circumferential groove of the model female screw and is movable in the axial direction together with the model female screw, and further slidably fits into a pin fixed to the housing. The female thread wear amount detection device in a spindle drive device according to claim 1.