CN214276783U

CN214276783U - Hole chamfer detection device

Info

Publication number: CN214276783U
Application number: CN202120388360.9U
Authority: CN
Inventors: 刘会莹; 秦法富; 王雪松; 范鑫; 范思洋; 常志; 杨玉坤; 杨玉宝; 徐佐; 武汉琦
Original assignee: CITIC Dicastal Co Ltd
Current assignee: CITIC Dicastal Co Ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-09-24
Anticipated expiration: 2031-02-22

Abstract

The utility model belongs to the technical field of the chamfer detects, a hole chamfer detection device is provided, including the logical end guide post that connects gradually, lead to the end and detect chamfer, handle, end and detect chamfer and end guide post, lead to the end and detect the lower difference of chamfer for being surveyed the hole chamfer, end and detect the upper difference of chamfer for being surveyed the hole chamfer, insert the measured hole with the device, the chamfer of the inspection hole that can be quick is qualified, this examines a precision height, and is efficient, and the simple operation is very practical in actual production.

Description

Hole chamfer detection device

Technical Field

The application relates to the technical field of chamfer detection, in particular to a hole chamfer detection device.

Background

The bushing press-fitting is one of important processes in the manufacturing process of the auxiliary frame, structures such as a vehicle body mounting hole and a speed reducer mounting hole on the auxiliary frame generally need press-fitting of the bushing, the press-fitting process requires that a press-fitting chamfer is set during machining of the press-fitting hole machines, whether the press-fitting chamfer is qualified or not directly influences the press-fitting of the bushing, if the chamfer is too small, the press-fitting guide is not smooth, the edge of the bushing is easily scratched, if the chamfer is too large, the thickness of the press-fitting hole wall is influenced, therefore, the chamfer of the press-fitting hole must be strictly controlled, but whether the chamfer is qualified or not after the press-fitting hole machine is machined, and the detection is time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a hole chamfer detection device, whether the chamfer of inspection hole that can be quick is qualified, and this is examined a precision height, and is efficient, very practical in actual production.

In order to achieve the above object, the utility model provides a following technical scheme:

the hole chamfer detection device comprises a through end guide column, a through end detection chamfer, a handle, a stop end detection chamfer and a stop end guide column which are sequentially connected, wherein the central axes of the through end guide column, the through end detection chamfer, the handle, the stop end detection chamfer and the stop end guide column are the same; the diameter of the through end guide column is the same as that of the end stop guide column, and the diameters of the through end guide column and the end stop guide column are smaller than the lower difference of the diameter of the chamfer hole to be measured; the through end detection chamfer is the lower difference of the chamfer of the hole to be detected, and the end stop detection chamfer is the upper difference of the chamfer of the hole to be detected.

In some embodiments, the handle is provided with anti-slip texture.

In some embodiments, the through end guide post diameter is-0.02 mm lower difference of the measured chamfer hole diameter.

In some embodiments, the length of each of the through end guide post and the end stop guide post is 10-15 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a hole chamfer detection device, including the logical end guide post that connects gradually, lead to the end and detect chamfer, handle, end and detect chamfer and end guide post, lead to the end and detect the lower difference that the chamfer is the measured hole chamfer, end and detect the upper difference that the chamfer is the measured hole chamfer, insert the measured hole with the device, the chamfer of the inspection hole that can be quick is qualified, and this examines a precision height, and is efficient, and the simple operation is very practical in the actual production.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a hole chamfer detection device according to the present application.

FIG. 2 is a schematic diagram of a through end detection state of the hole chamfer detection device according to the present application.

FIG. 3 is a schematic diagram of a detecting state of a stop end of the hole chamfer detecting device according to the present application.

Wherein: 1-through end guide column, 2-through end detection chamfer, 3-handle, 4-end detection chamfer, 5-end guide column and D-diameter of tested chamfer hole.

Detailed Description

The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example 1:

as shown in fig. 1, a hole chamfer detection device is provided in embodiment 1 of the present application, including a through end guide post 1, a through end detection chamfer 2, a handle 3, a dead end detection chamfer 4 and a dead end guide post 5 which are connected in sequence, and the center axes of the through end guide post 1, the through end detection chamfer 2, the handle 3, the dead end detection chamfer 4 and the dead end guide post 5 are coincident. The diameter of the through end guide column 1 is the same as that of the end stop guide column 5, and the diameters are smaller than the lower difference of the diameter D of the chamfer hole to be measured. The diameter of the through end guide column 1 is minus 0.02mm of the diameter D of the chamfer hole to be measured, and the diameter of the end stop guide column 5 is minus 0.02mm of the diameter D of the chamfer hole to be measured. The length of the through end guide column 1 and the length of the end stop guide column 5 are both 10-15mm, the through end detection chamfer 2 is the lower difference of the detected chamfer, and the end stop detection chamfer 4 is the upper difference of the detected chamfer. For example, a chamfer of C5 + -0.5 mm, i.e. 5 × 45 deg. + -0.5 mm, is measured, the basic dimension is 5, the tolerance is + -0.5, the scale is medium (m scale), 5 means a width of 5mm in the axial direction of the dimension, 45 deg. is the angle between the axial direction and the chamfer edge, then the upper difference of the chamfer is 5.5mm and the lower difference of the chamfer is 4.5 mm. The handle 3 is provided with anti-skid grains.

As shown in fig. 2-3, in the use of the hole chamfer detecting device in embodiment 1, first, the through end guide post 1 of the go-no go gauge is completely inserted into the tested press-fitting hole, and then the position of the through end detection chamfer 2 is observed, if the through end detection chamfer 2 is lower than the chamfer of the tested press-fitting hole, the lower difference of the chamfer of the tested press-fitting hole is qualified, and if the through end detection chamfer 2 is higher than the chamfer of the tested press-fitting hole, the lower difference of the chamfer of the tested press-fitting hole is exceeded; and then, the direction of the go-no go gauge is changed, the guide post 5 of the no go gauge is completely inserted into the tested press mounting hole, then the position of the no go end detection chamfer 4 is observed, if the no go end detection chamfer 4 is higher than the chamfer of the tested press mounting hole, the upper difference of the chamfer of the tested press mounting hole is qualified, and if the no go end detection chamfer 4 is lower than the chamfer of the tested press mounting hole, the upper difference of the chamfer of the tested press mounting hole is exceeded.

A hole chamfer detection device in this embodiment 1, the chamfer in inspection hole that can be quick during the use is qualified, and this is examined a precision height, and is efficient, and the simple operation is very practical in actual production.

The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A hole chamfer detection device is characterized by comprising a through end guide column, a through end detection chamfer, a handle, a stop end detection chamfer and a stop end guide column which are sequentially connected, wherein the central axes of the through end guide column, the through end detection chamfer, the handle, the stop end detection chamfer and the stop end guide column are the same;

the diameter of the through end guide column is the same as that of the end stop guide column, and the diameters of the through end guide column and the end stop guide column are smaller than the lower difference of the diameter of the chamfer hole to be measured;

the through end detection chamfer is the lower difference of the chamfer of the hole to be detected, and the end stop detection chamfer is the upper difference of the chamfer of the hole to be detected.

2. The hole chamfer detection device of claim 1, wherein the handle is provided with anti-slip threads.

3. A hole chamfer detection device according to claim 1, wherein the diameter of the lead-through guide post is-0.02 mm lower than the diameter of the chamfer hole to be detected.

4. The hole chamfer detecting device of claim 1, wherein the length of each of the through end guide post and the end stop guide post is 10-15 mm.