Nut internal screw thread detection machine

A technology of nut internal thread and detection machine, which is applied in the direction of measuring devices, mechanical devices, mechanical measuring devices, etc., can solve the problems of increased production and purchase costs, increased volume of detection machines, increased labor intensity, etc., and achieve production and purchase costs. Low, simple structure, small size effect

Inactive Publication Date: 2014-04-23
JIANGSU PACIFIC HYDRAULIC MACHINERY MFGCO
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Problems solved by technology

[0002] Chinese utility model patent No. 201120541057.4 published on August 8, 2012 discloses a hex nut internal thread detection machine, including a thread detection manipulator. When the testing machine detects the nuts to be tested, it needs to be equipped with two thread detection manipulators, which are the upper limit thread detection manipulator connected with the upper limit thread gauge and the lower limit threa

Method used

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  • Nut internal screw thread detection machine

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[0012] The present invention will be further described in detail below in conjunction with the drawings and specific preferred embodiments.

[0013] Such as figure 1 As shown, a nut internal thread detection machine includes a frame 1, a rotatable nut placement plate 2 arranged in the frame 1, and a retractable thread detection manipulator 4 located above the frame 1. The thread detection manipulator 4 It includes a stepping motor 5 placed on the top, a torque sensor 3, a thread gauge clamp 7 connected with a thread gauge 8 and a displacement sensor 12 used to detect the displacement of the thread gauge 8; To place the through step hole 6 of the nut 9 to be tested; the thread gauge 8 includes a lower thread gauge 10 placed below and an upper thread gauge 11 placed above, wherein the lower thread gauge 10 can pass through the step hole 6 .

[0014] The height of the lower limit thread gauge 10 is preferably equal to the height of the nut 9 to be tested.

[0015] The upp...

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Abstract

The invention discloses a nut internal screw thread detection machine. The nut internal screw thread detection machine comprises a frame, a rotatable nut disposing disc and a telescopic screw thread detection manipulator. The screw thread detection manipulator comprises a stepping motor, a torque force sensor, a screw thread gauge clamp connected with a screw thread gauge, and a displacement sensor for detecting the displacement of the screw thread gauge; the nut disposing disc is provided with a plurality of penetrating step holes; and the screw thread gauge comprises a lower limit screw thread gauge which is arranged at a lower position and can pass through the step holes, and an upper limit screw thread gauge. By adopting such a structure, the lower limit screw thread gauge performs lower limit screw thread detection on nuts to be detected, if the nuts to be detected are qualified, the lower limit screw thread gauge passes through the step holes; and if the stepping motor continues to move downwards, the upper limit screw thread gauge directly performs upper limit screw thread detection on the nuts to be detected. According to the invention, the lower limit and upper limit screw thread measuring of the nuts to be detected can be rapidly realized for once simply by use of one screw thread detection manipulator, the structure is simple, the size is small, the manufacturing and purchasing cost is low.

Description

technical field [0001] The invention relates to a nut testing device, in particular to a nut internal thread testing machine. Background technique [0002] Chinese utility model patent No. 201120541057.4 published on August 8, 2012 discloses a hex nut internal thread detection machine, including a thread detection manipulator. When the testing machine detects the nuts to be tested, it needs to be equipped with two thread detection manipulators, which are the upper limit thread detection manipulator connected with the upper limit thread gauge and the lower limit thread manipulator connected with the lower limit thread gauge, which will increase the volume of the detector and make And the purchase cost increases; of course, it can also be equipped with a thread detection manipulator, so that two measurements are required, that is, after the lower limit thread test, it is replaced with the upper limit thread for testing, the production efficiency is reduced, and the labor inten...

Claims

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Application Information

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IPC IPC(8): G01B5/00
Inventor 邵剑
Owner JIANGSU PACIFIC HYDRAULIC MACHINERY MFGCO
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