Rapid detection tool for precision of cone shaft

Abstract

The utility model belongs to the technical field of testing, and particularly relates to a tool for rapidly detecting the precision of a cone shaft. The measuring tool comprises a measuring tool body which is provided with a conical detection channel matched with a conical shaft, air inlet channels are distributed on the inner wall of the measuring tool body, and the measuring tool body is communicated with an external air pressure source; the movable sliding block abuts against the end face of the conical shaft. The dial indicator detects the displacement of the slider; the axially distributed air outlet channels are externally connected with an air pressure numerical meter; and the warning device is electrically connected with the air pressure value meter. A guide sliding rail is arranged on the outer side of the measuring tool body, four air inlet channels and four air outlet channels are correspondingly installed, and the warning device comprises a red light and a buzzer. The beneficial effects are that the device directly reads dimensional deviation through the dial indicator, feeds back roughness and dimensional precision through the air pressure system, simulates an actual installation contact state, realizes full-size section detection, gives an alarm in real time through the warning device, improves the detection efficiency, is suitable for online detection of various cone shafts, is especially suitable for batch production scenes, rapidly screens unqualified products, and improves the detection efficiency. And the high-precision detection requirement is met.

Description

Technical Field

[0001] This utility model belongs to the field of testing technology, specifically relating to a rapid testing fixture for the accuracy of a tapered shaft. Background Technology

[0002] In the field of machining, the machining accuracy inspection of tapered shafts has always been a challenge. Traditional inspection methods mainly rely on calipers, coordinate measuring machines, or roughness testers, which have many shortcomings. The dimensions of tapered shafts vary at different points along the axis, and traditional measurements can only select a limited number of points, such as the two ends or the midpoint, which cannot cover the entire size range. Furthermore, coordinate measuring machines require manual zeroing, which is cumbersome. Surface roughness requires multi-point measurement with specialized instruments, which is inefficient. It is also impossible to simulate the fitting accuracy of tapered shafts during actual installation, resulting in deviations between the test results and actual usage scenarios.

[0003] Therefore, there is an urgent need for a testing fixture that can quickly detect the dimensions and roughness of the tapered shaft and closely approximate the actual installation effect. Utility Model Content

[0004] This invention provides a rapid testing fixture for tapered shaft accuracy, solving the problems of low efficiency, insufficient coverage, and inability to simulate actual installation effects in existing testing methods.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A rapid inspection fixture for tapered shaft accuracy, comprising a tapered shaft;

[0007] It also includes a measuring fixture body, which is provided with a conical detection channel adapted to the conical shaft. The inner wall of the conical detection channel is evenly distributed with multiple air intake channels, which are connected to an external air pressure source.

[0008] It also includes a movable slider, which is slidably disposed at one end of the measuring fixture body for abutting against the end face of the tapered shaft;

[0009] It also includes a dial indicator, which is mounted on the outside of the movable slider and is used to detect the displacement of the movable slider;

[0010] It also includes an air outlet channel, which is distributed along the axial direction of the conical detection channel, and the air outlet channel can be connected to an external pressure gauge for measuring the air outlet pressure;

[0011] It also includes a warning device, which is electrically connected to the barometer and is used to issue a warning based on the signal from the barometer.

[0012] Furthermore, a guide rail is provided on the outer side of the measuring fixture body, and the movable slider is slidably connected to the measuring fixture body through the guide rail.

[0013] Furthermore, there are four air intake channels and four air outlet channels, and the air intake channels and air outlet channels are installed correspondingly.

[0014] Furthermore, the warning device includes a red light and a buzzer, both of which are electrically connected to the barometer and are used to emit light and sound signals when the barometer value exceeds a preset range.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This invention directly reads dimensional deviations using a dial indicator, and the air pressure gauge system provides real-time feedback on roughness and overall dimensional accuracy, eliminating the need for point-by-point measurements. The axially distributed air outlet and inlet channels simulate the contact state during actual installation, enabling near-full-size inspection. Real-time alarms via red lights and buzzers reduce the risk of human error and improve inspection efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall planar structure of this utility model.

[0018] In the diagram: 1. Conical shaft; 2. Measuring fixture body; 3. Movable slider; 4. Dial indicator; 5. Air inlet channel; 6. Air outlet channel. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1

[0021] like Figure 1 As shown, a rapid inspection fixture for the accuracy of a tapered shaft includes a tapered shaft 1;

[0022] It also includes a measuring fixture body 2, which is provided with a conical detection channel adapted to the conical shaft 1. Multiple air intake channels 5 are evenly distributed on the inner wall of the conical detection channel, and the air intake channels 5 are connected to an external air pressure source.

[0023] It also includes a movable slider 3, which is slidably disposed at one end of the measuring fixture body 2 for contacting the end face of the tapered shaft 1;

[0024] It also includes a dial indicator 4, which is mounted on the outside of the movable slider 3 and is used to detect the displacement of the movable slider 3.

[0025] It also includes an air outlet channel 6, which is distributed along the axial direction of the conical detection channel, and the air outlet channel 6 can be connected to an external pressure gauge for measuring the air outlet pressure.

[0026] It also includes a warning device, which is electrically connected to a barometer and is used to issue a warning based on the signal from the barometer.

[0027] The outer side of the measuring fixture body 2 is provided with a guide rail, and the movable slider 3 is slidably connected to the measuring fixture body 2 through the guide rail.

[0028] There are four intake channels 5 and four exhaust channels 6, and the intake channels 5 and the exhaust channels 6 are installed in a corresponding manner.

[0029] The warning device includes a red light and a buzzer, both of which are electrically connected to a barometer to emit light and sound signals when the barometer value exceeds a preset range.

[0030] Specifically, the tapered shaft 1 is the object to be inspected. The purpose of this fixture is to check whether the dimensional accuracy and surface roughness of the tapered shaft 1 meet the standards.

[0031] The core function of the measuring fixture body 2 is to provide a conical detection channel that is compatible with the conical shaft 1. This channel is the place for detecting the conical shaft 1, allowing the conical shaft 1 to be smoothly inserted into it for the detection of various parameters. The air inlet channel 5 and the axially distributed air outlet channel 6, which are evenly distributed on the inner wall of the channel, are also set on the measuring fixture body 2, providing a structural basis for air pressure detection.

[0032] The movable slider 3 is set at one end of the measuring fixture body 2 and is mainly used to abut against the end face of the tapered shaft 1. When the tapered shaft 1 is inserted into the detection channel, its end face will push the movable slider 3 to slide. By cooperating with the dial indicator 4, the displacement of the movable slider 3 can reflect the dimensional deviation of the tapered shaft 1.

[0033] The dial indicator 4 is installed on the outside of the movable slider 3 to accurately detect the displacement of the movable slider 3. Before the test, the dial indicator 4 is zeroed. Then the movable slider 3 moves as the conical shaft 1 is inserted. The dial indicator 4 will display the corresponding displacement value. Based on this value, it can be determined whether the size of the conical shaft 1 is within the qualified range, so as to realize the rapid detection of the dimensional accuracy of the conical shaft 1.

[0034] The air intake channel 5 is connected to an external air pressure source. Its function is to introduce standard air pressure into the conical detection channel and maintain a stable standard air pressure during the detection process. This provides an air pressure environment for detecting the surface roughness and dimensional deviation of the conical shaft 1. Multiple air intake channels 5 are evenly distributed on the inner wall of the conical detection channel, which enables the air pressure to act evenly on the surface of the conical shaft 1.

[0035] The air outlet channel 6 is distributed along the axial direction of the conical detection channel and can be connected to an external pressure gauge. Its main function is to allow gas to flow out after the standard air pressure is introduced into the air inlet channel 5. The surface roughness and dimensional deviation of the conical shaft 1 are reflected by measuring the air outlet pressure. If the surface roughness of the conical shaft 1 is not up to standard or there is a dimensional deviation, it will affect the flow of gas and cause the air pressure value at the air outlet channel 6 to change.

[0036] The warning device is electrically connected to the barometer. When the barometer detects that the barometer value at the outlet channel 6 exceeds the preset range, it will transmit a signal to the warning device. The red light and buzzer in the warning device will emit light and sound signals respectively to remind the operator that there is a problem with the surface roughness or size of the tapered shaft 1, thus playing a timely alarm role.

[0037] The guide rail is located on the outside of the measuring fixture body 2. The movable slider 3 is slidably connected to the measuring fixture body 2 through the guide rail. Its function is to ensure the stability and accuracy of the movable slider 3 during the sliding process, and to avoid the slider from deviating or shaking, so as to ensure that the displacement value measured by the dial indicator 4 can accurately reflect the dimensional deviation of the tapered shaft 1.

[0038] Workflow:

[0039] S1. Insert the standard conical shaft 1 into the conical detection channel, slide the movable slider 3 until it abuts against the end face of the conical shaft 1, and adjust the dial indicator 4 to zero.

[0040] S2. Introduce standard air pressure into the air inlet channel 5, record the standard reading of the air pressure gauge at the air outlet channel 6, and complete the calibration.

[0041] S3. Press the cone shaft 1 to be tested into the test channel. The movable slider 3 moves with the end face of the cone shaft 1. The dial indicator 4 displays the dimensional deviation. If the reading is within the allowable range, the dimension is qualified; otherwise, it is unqualified.

[0042] S4. The intake channel 5 maintains the standard air pressure. If the surface roughness of the cone shaft 1 is not up to standard or the size deviation is too large, the air pressure value at the outlet channel 6 will change. When the air pressure value exceeds the preset range, the air pressure value meter will transmit the signal to the warning device, triggering the red light and buzzer alarm.

[0043] This invention is applicable to online inspection of various types of tapered shafts after processing, and is especially suitable for batch production scenarios. It can quickly screen out defective products, improve processing efficiency and product quality.

[0044] In summary, this utility model, through structural innovation, achieves rapid and comprehensive detection of tapered shaft dimensions and roughness, and has the advantages of simple operation, comprehensive detection, and intuitive warning, meeting the high-precision detection needs in actual production.

[0045] It should be noted that the parts not covered by this utility model are the same as or can be implemented using existing technology.

[0046] Furthermore, in the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "set up," "equipped with," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0047] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can exercise their rights without departing from the scope of the present utility model.

Claims

1. A quick detection tool for taper shaft precision, characterized in that, The measuring tool body is provided with a conical detection channel matched with the conical shaft, and the inner wall of the conical detection channel is uniformly provided with air inlet channels which are communicated with an external air pressure source. The measuring tool body is provided with a conical detection channel matched with the conical shaft, and the inner wall of the conical detection channel is uniformly provided with air inlet channels which are communicated with an external air pressure source. The measuring tool body is provided with a conical detection channel matched with the conical shaft, and the inner wall of the conical detection channel is uniformly provided with air inlet channels which are communicated with an external air pressure source. The measuring tool body is provided with a conical detection channel matched with the conical shaft, and the inner wall of the conical detection channel is uniformly provided with air inlet channels which are communicated with an external air pressure source. The measuring tool body is provided with a conical detection channel matched with the conical shaft, and the inner wall of the conical detection channel is uniformly provided with air inlet channels which are communicated with an external air pressure source.

2. The precision cone shaft quick detection tool of claim 1, wherein, The measuring tool body is provided with a conical detection channel matched with the conical shaft, and the inner wall of the conical detection channel is uniformly provided with air inlet channels which are communicated with an external air pressure source.

3. The precision cone shaft quick detection tool of claim 2, wherein, The measuring tool body is provided with a conical detection channel matched with the conical shaft, and the inner wall of the conical detection channel is uniformly provided with air inlet channels which are communicated with an external air pressure source.

4. The precision cone shaft quick detection tool of claim 3, wherein, The measuring tool body is provided with a conical detection channel matched with the conical shaft, and the inner wall of the conical detection channel is uniformly provided with air inlet channels which are communicated with an external air pressure source.

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