Mechanism for detecting depth of taper hole by using dial indicator

Abstract

The utility model discloses a mechanism for detecting the depth of a taper hole by using a dial indicator. The mechanism comprises a flat plate base, a support rod arranged on the flat plate base, a height-adjustable movable rod arranged on the support rod, a dial indicator arranged at the end part of the movable rod, and a measuring rod connected with the lower end of a dial indicator shaft of the dial indicator. According to the utility model, parts with different heights can be measured by adjusting the fastening ring, the fastening screw and the movable rod, taper holes with different apertures can be detected by replacing the measuring rods with different diameters, the versatility is realized, the measuring tool is suitable for measuring single products and batch products, the measuring rods are used for detecting the sizes of corresponding positions in the taper holes during detection, and the detection efficiency is improved. And the detection efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to machining, concretely relates to a mechanism for detecting the depth of a tapered hole by using a dial gauge. BACKGROUND

[0002] In the field of machining, the machining of tapered holes of parts is often encountered, and for the measurement of the depth of a tapered hole, a special tapered hole depth gauge is generally used, or a detection device (such as a three-coordinate detector) is used. The characteristics of these two detection methods are as follows:

[0003] 1. The special tapered hole depth gauge is mainly applied to the mass inspection of a single part and a single tapered hole depth size, and has a high inspection efficiency, but the detection size is a specific size, and the universal measurement under different tapered hole depth conditions cannot be realized, and the machining precision of the gauge is high, and the manufacturing cost is expensive, so the gauge is not suitable for the detection of small batches or single parts.

[0004] 2. The detection device (such as a three-coordinate detector) is mainly used for the detection of tapered hole depths of different types of single parts, has the characteristics of strong universality and high detection precision, but has a low detection efficiency, and is not suitable for the detection of mass parts. SUMMARY

[0005] The technical problem to be solved by the utility model is to provide a mechanism for detecting the depth of a tapered hole by using a dial gauge, which is suitable for single-piece products and batch products, has a simple structure, a high detection efficiency, a certain universality, and a low manufacturing cost.

[0006] To solve the above technical problem, the technical scheme adopted by the utility model is as follows: a mechanism for detecting the depth of a tapered hole by using a dial gauge, comprising a flat plate base, a support rod is arranged on the flat plate base, a movable rod with adjustable height is arranged on the support rod, a dial gauge is arranged at the end of the movable rod, and a measuring rod is connected to the lower end of the dial gauge shaft of the dial gauge.

[0007] The measuring rod is threadedly connected with the dial gauge shaft.

[0008] The movable rod is fixed on the support rod through a support rod fastening ring at the upper end of the support rod, and the support rod fastening ring is fixed on the support rod by a support rod fastening screw.

[0009] The dial gauge is fixed on the movable rod through a movable rod fastening ring at the end of the movable rod, and the movable rod fastening ring is fixed on the movable rod by a movable rod fastening screw.

[0010] The mechanism for detecting the depth of a tapered hole by using a dial gauge designed by the above technical scheme has the following beneficial effects:

[0011] 1. The overall structure of the mechanism is simple, the purchase price of the dial gauge and the machining cost of other parts are low;

[0012] 2. The measuring tool can measure parts of different heights by adjusting the fastening ring, the fastening screw and the movable rod, and can detect tapered holes of different diameters by replacing the measuring rods of different diameters, so that the measuring tool is universal;

[0013] 3. The measuring tool is suitable for measuring single-piece products and batch products;

[0014] 4. The measuring tool has high detection efficiency when detecting the size of the corresponding position in the tapered hole by using the measuring rod;

[0015] 5. The measuring tool has simple structure and is convenient to operate and use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Fig. 1 is a front view of the structure of the present application;

[0017] Figure 2 Fig. 2 is a side view of the structure of the present application;

[0018] Figure 3 Fig. 3 is a structure diagram of the measuring rod of the present application;

[0019] Figure 4 Fig. 4 is a schematic diagram of the depth size requirement of the tapered hole of the part of the present application;

[0020] Figure 5 Fig. 5 is a calibration diagram of the present application;

[0021] Figure 6 Fig. 6 is a schematic diagram of the detection of the part of the present application. DETAILED DESCRIPTION

[0022] The mechanism for detecting the depth of the tapered hole by using the dial indicator will be specifically described below with reference to the drawings.

[0023] The mechanism for detecting the depth of the tapered hole by using the dial indicator, as shown in Figures 1 to 6 , comprises a flat plate base 6, a support rod 5 is arranged on the flat plate base 6, a movable rod 10 with adjustable height is arranged on the support rod 5, specifically, the movable rod 10 is fixed on the support rod 5 through the support rod fastening ring 7 at the upper end of the support rod 5, and the support rod fastening ring 7 is fixed on the support rod 5 by the support rod fastening screw 8. A dial indicator 1 is arranged at the end of the movable rod 10, the dial indicator 1 is fixed on the movable rod 10 through the movable rod fastening ring 2 at the end of the movable rod 10, and the movable rod fastening ring 2 is fixed on the movable rod 10 by the movable rod fastening screw 3. A measuring rod 4 is connected to the lower end of the dial indicator shaft 9 of the dial indicator 1, and the measuring rod 4 is threadedly connected with the dial indicator shaft 9.

[0024] The utility model support rod fastening circle 7, support rod fastening screw 8, movable rod fastening circle 2, movable rod fastening screw 3 and movable rod 8 can adjust appropriate measuring position according to different height parts. The utility model mainly utilizes dial indicator 1 of installation measuring rod 4 to measure the distance of part 12 taper radial dimension a and part reference surface. The diameter a of measuring rod 4 is processed according to the detection position diameter a of part 12 taper hole. The thread M3 of measuring rod 4 is used for screwing on dial indicator 1.

[0025] Before detecting part, it should be ensured that the axis of measuring rod 4 is perpendicular to the upper surface of flat base 6, and the dial indicator 1 is calibrated by using calibration plate 11 according to the required detection height b of part (as shown in Figure 5 ). When detecting, the dial indicator shaft 9 is lifted, and the measuring rod 4 falls into the taper hole of the part (as shown in Figure 6 ). The part 12 is rotated gently until the dial indicator pointer does not jump, and the value is the detection value.

Claims

1. A mechanism for detecting the depth of a conical hole using a dial indicator, comprising a flat base, characterized in that... The flat base is provided with a support rod, and a height-adjustable movable rod is provided on the support rod. A dial indicator is provided at the end of the movable rod, and a measuring rod is connected to the lower end of the dial indicator shaft.

2. The mechanism for detecting the depth of a conical hole using a dial indicator according to claim 1, characterized in that: The measuring rod is threadedly connected to the dial indicator shaft.

3. The mechanism for detecting the depth of a conical hole using a dial indicator according to claim 1, characterized in that: The movable rod is fixed to the support rod by the support rod fastening ring at the upper end of the support rod, and the support rod fastening ring is fixed to the support rod by the support rod fastening screw.

4. The mechanism for detecting the depth of a conical hole using a dial indicator according to claim 1, characterized in that: The dial indicator is fixed to the movable rod by a movable rod fastening ring at the end of the movable rod, and the movable rod fastening ring is fixed to the movable rod by a movable rod fastening screw.

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