High-precision inner and outer diameter measuring instrument for secondary inner gear ring machining

Abstract

The utility model discloses a high-precision internal and external diameter measuring instrument for processing a secondary inner gear ring, which comprises a working table, a groove is arranged at the top of the working table, the secondary inner gear ring is arranged at the top of the working table, a detection mechanism for measuring the size of the secondary inner gear ring is arranged in the groove, a display is further arranged at the top of the working table, and the display is used for displaying the size of the secondary inner gear ring. By arranging the detection mechanism and utilizing the inner diameter detection assembly and the outer diameter detection assembly, high-precision measurement can be carried out on the inner diameter and the outer diameter of the secondary internal gear, so that the quality of the gears produced in batches is ensured to meet the standard in the finished product inspection stage, and the production efficiency is improved. And the detection precision during detection is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of inner tooth ring processing, especially relates to a high accuracy inside and outside diameter measuring instrument for two -stage inner tooth ring processing. BACKGROUND

[0002] In the two -stage inner tooth ring processing process, high -precision inside and outside diameter measuring instrument is the key equipment of ensuring product quality. The inside diameter and the outside diameter size precision of inner tooth ring directly influence its cooperation precision with other parts.

[0003] The patent document with the existing announcement number CN221425573U discloses a gear inside diameter detection device: including the workbench, the workbench is opened with the recess, the recess's middle position is fixed with the fixed column, the fixed column is opened with the rod hole, the rod hole is inserted with the movable rod, the movable rod's one end is fixed with the mounting seat, the mounting seat is rotationally installed with the contact wheel, the movable rod's other end is fixed with the anti -drop hat, the anti -drop hat is fixed with the first spring between the fixed column's outside wall, and the first spring is set on the movable rod, the movable electrode plate is installed on the anti -drop hat, the top of fixed column is fixed with the support plate, the bottom side of support plate is installed with the fixed electrode plate, the top side of fixed electrode plate is installed with the indicator lamp, and the indicator lamp, fixed electrode plate and movable electrode plate are electrically connected.

[0004] Although the above-mentioned gear inside diameter detection device can solve the corresponding technical problems, but in the process of detection, since the flange of the detection gear has teeth, it may cause the detection data to jump too much when rotating the gear, thereby causing the detection data to be not accurate enough, and there is still room for improvement.

[0005] Therefore, a high-precision inside and outside diameter measuring instrument for two-stage inner tooth ring processing is proposed. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a high-precision inside and outside diameter measuring instrument for two-stage inner tooth ring processing, which is used to solve the problems proposed in the above background technology.

[0007] In order to achieve the above-mentioned purpose, the main technical scheme adopted by the utility model comprises:

[0008] A high-precision inside and outside diameter measuring instrument for two-stage inner tooth ring processing comprises:

[0009] The workbench is provided with a recess on the top, and the two-stage inner tooth ring is placed on the top of the workbench, wherein a detection mechanism for measuring the size of the two-stage inner tooth ring is installed in the recess, and a display is also installed on the top of the workbench, and the display is electrically connected with the components on the detection mechanism.

[0010] As a preferred technical scheme, the detection mechanism comprises an inner diameter detection assembly and an outer diameter detection assembly, the inner diameter detection assembly comprises a bidirectional screw, two ends of the bidirectional screw are rotatably arranged in the groove through bearings respectively, a slider is symmetrically screwed on the surface of the bidirectional screw, a size sensor is arranged on the middle part of the slider, and a sensing head of the size sensor abuts against the inner wall of the secondary inner gear ring.

[0011] As a preferred technical scheme, one end of the bidirectional screw extends out of the workbench and is provided with a hand wheel.

[0012] As a preferred technical scheme, the outer diameter detection assembly comprises a fixed block, the fixed block is fixed on one side of the top of the workbench and is arranged perpendicularly to the center point of the workbench, a slide rod is slidably connected to the middle part of the fixed block, and a scale block is fixedly connected to one end of the slide rod, and one end of the scale block abuts against the outer diameter side wall of the secondary inner gear ring.

[0013] As a preferred technical scheme, a scale is arranged on the surface of the slide rod.

[0014] As a preferred technical scheme, the display is electrically connected to the size sensor through wires.

[0015] The utility model at least has the following beneficial effects:

[0016] The utility model discloses the beneficial effect is, through setting detection mechanism, utilize inner diameter detection assembly and outer diameter detection assembly, can the high accuracy measurement of the inner diameter and the outer diameter of secondary inner gear wheel to the batch production gear, in the finished product inspection stage, ensure product quality to meet the standard, greatly improve the detection accuracy when inspecting. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the high-precision inner and outer diameter measuring instrument three-dimensional schematic view for the secondary inner gear ring processing of the utility model;

[0018] Fig. 2 It is the high-precision inner and outer diameter measuring instrument overhead schematic view for the secondary inner gear ring processing of the utility model;

[0019] Fig. 3 It is the high-precision inner and outer diameter measuring instrument sectional view for the secondary inner gear ring processing of the utility model. In the drawing: 1, workbench;101, groove;2, secondary inner gear ring;3, display;4, detection mechanism;401, bidirectional screw;402, hand wheel;403, bearing;404, slider;405, size sensor;406, fixed block;407, slide rod;408, scale block;409, scale. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0021] Please refer to Figs. 1-3 The embodiment of the present application provides a high-precision inside and outside diameter measuring instrument for secondary inner gear ring machining, comprising: a workbench 1, a groove 101 is formed in the top of the workbench 1, and a secondary inner gear ring 2 is placed on the top of the workbench 1, wherein a detection mechanism 4 for measuring the size of the secondary inner gear ring 2 is installed in the groove 101, and a display 3 is further installed on the top of the workbench 1, and the display 3 is electrically connected with components on the detection mechanism 4.

[0022] The detection mechanism 4 comprises an inside diameter detection assembly and an outside diameter detection assembly, the inside diameter detection assembly comprises a bidirectional screw rod 401, both ends of the bidirectional screw rod 401 are rotatably arranged in the groove 101 through bearings 403, and symmetrical screws are arranged on the surface of the bidirectional screw rod 401, and a sliding block 404 is arranged on the surface of the bidirectional screw rod 401, a size sensor 405 is installed in the middle of the sliding block 404, and the sensing head of the size sensor 405 abuts against the inner wall of the secondary inner gear ring 2. By arranging the detection mechanism 4, the inside diameter detection assembly is used, the sliding block 404 on the bidirectional screw rod 401 is driven to move relatively by rotating the bidirectional screw rod 401, so that the size sensor 405 installed on the sliding block 404 abuts against the inner diameter side wall of the secondary inner gear ring 2, and the inside diameter of the secondary inner gear ring 2 can be measured with high precision, so that the product quality of the mass-produced gear can meet the standard in the finished product inspection stage, and the detection precision during inspection is greatly improved.

[0023] One end of the bidirectional screw rod 401 extends out of the workbench 1 and is provided with a hand wheel 402. By arranging the hand wheel 402, the rotation of the bidirectional screw rod 401 driven by the hand wheel 402 can be facilitated, and the size sensor 405 on the sliding block 404 can detect the size of the secondary inner gear ring 2.

[0024] The outer diameter detection assembly comprises a fixed block 406 fixed on one side of the top of the workbench 1 and arranged perpendicularly to the center point of the workbench 1, a sliding rod 407 slidingly connected to the middle of the fixed block 406, and a gauge block 408 fixedly connected to one end of the sliding rod 407 and abutting against the outer diameter side wall of the secondary inner gear ring 2. By arranging the outer diameter detection assembly, slidingly connecting the sliding rod 407 to the middle of the fixed block 406, and fixedly connecting the gauge block 408 to the end of the sliding rod 407, the gauge block 408 can abut against the outer diameter side wall of the secondary inner gear ring 2, so that the outer diameter of the secondary inner gear ring 2 of different sizes can be detected, and the practicability of the device is greatly improved.

[0025] The surface of the sliding rod 407 is provided with a scale 409. By arranging the scale 409 on the surface of the sliding rod 407, the detection data of the outer diameter of the secondary inner gear ring 2 detected by the outer diameter detection assembly can be observed by the operator, and timely records can be made.

[0026] The display 3 is electrically connected to the size sensor 405 through wires. By electrically connecting the display 3 to the size sensor 405, the single-chip microcomputer with the model STC89C51 is built in the display 3, the single-chip microcomputer is electrically connected to the size sensor 405 and the display 3 respectively, the data detected by the size sensor 405 is fed back to the single-chip microcomputer, the single-chip microcomputer processes the data and controls the display 3 to display the inner diameter size of the secondary inner gear ring 2 detected, so that the observation and records of the operator can be facilitated.

[0027] The size sensor 405 is an EPSM8SPB high-precision contact sensor.

[0028] The working principle of the utility model is as follows: in use, the secondary inner gear ring 2 is placed on the workbench 1, the hand wheel 402 is rotated to drive the bidirectional screw rod 401 to rotate, the sliding block 404 on the bidirectional screw rod 401 moves relatively, the size sensor 405 on the sliding block 404 abuts against the inner side wall of the secondary inner gear ring 2, the secondary inner gear ring 2 is slightly moved by hand at the same time, the size sensor 405 abuts against the maximum inner diameter of the secondary inner gear ring 2, the inner diameter size of the secondary inner gear ring 2 can be detected, the sliding rod 407 is pushed, the gauge block 408 at the end of the sliding rod 407 abuts against the outer diameter side wall of the secondary inner gear ring 2, the scale 409 on the surface of the sliding rod 407 is observed to read the outer diameter size of the secondary inner gear ring 2, and the operation of the high-precision inner and outer diameter measuring instrument for secondary inner gear ring machining is completed.

[0029] The parts not involved in the utility model are the same as the prior art or can be realized by using the prior art. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-precision internal and external diameter measuring instrument for secondary inner ring gear machining, characterized by, Include: Workbench (1), the top of the workbench (1) is provided with a recess (101), the top of the workbench (1) is placed with a two-stage inner gear ring (2), wherein the recess (101) is provided with a detection mechanism (4) for measuring the size of the two-stage inner gear ring (2), and the top of the workbench (1) is further provided with a display (3), and the display (3) is electrically connected with the components on the detection mechanism (4).

2. The high-precision internal and external diameter measuring instrument for machining a secondary inner ring gear according to claim 1, characterized in that: The detection mechanism (4) comprises an inner diameter detection assembly and an outer diameter detection assembly, the inner diameter detection assembly comprises a bidirectional screw (401), both ends of the bidirectional screw (401) are rotatably arranged in the recess (101) through bearings (403), the surface of the bidirectional screw (401) is symmetrically screwed with a sliding block (404), the middle part of the sliding block (404) is provided with a size sensor (405), and the sensing head of the size sensor (405) abuts against the inner wall of the two-stage inner gear ring (2).

3. The high-precision internal and external diameter measuring instrument for machining a secondary inner ring gear according to claim 2, characterized in that: One end of the bidirectional screw (401) extends out of the workbench (1) and is provided with a hand wheel (402).

4. The high-precision internal and external diameter measuring instrument for machining a secondary inner ring gear according to claim 2, characterized in that: The outer diameter detection assembly comprises a fixed block (406), the fixed block (406) is fixed on one side of the top of the workbench (1) and is vertically arranged with the center point of the workbench (1), the middle part of the fixed block (406) is slidably connected with a sliding rod (407), one end of the sliding rod (407) is fixedly connected with a scale block (408), and one end of the scale block (408) abuts against the outer diameter side wall of the two-stage inner gear ring (2).

5. The high-precision internal and external diameter measuring instrument for machining a secondary inner ring gear according to claim 4, characterized in that: The surface of the sliding rod (407) is provided with a scale (409).

6. The high-precision internal and external diameter measuring instrument for machining a secondary inner ring gear according to claim 2, characterized in that: The display (3) is electrically connected with the size sensor (405) through wires.

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