CN213481304U

CN213481304U - Position type shaft surface roughness measuring device

Info

Publication number: CN213481304U
Application number: CN202022449932.8U
Authority: CN
Inventors: 胡亚刚; 张超; 胡晓阳; 王冠
Original assignee: Chengdu Shigong Measurement And Control Technology Co ltd
Current assignee: Chengdu Shigong Measurement And Control Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-06-18
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a position type axle roughness measuring device combines to carry out the detection of roughness with work piece location frock, reuses in the measurement of work piece to roughness meter calibration back in appearance piece calibration seat. The plug-in rod type position degree gauge has the advantages of simple and reasonable structure, accurate and rapid positioning and the like, the principle of the plug-in rod type position degree gauge is applied to roughness measurement, a positioning seat on a roughness measurement device is matched with a positioning groove with a fixed position on an auxiliary positioning tool to position a measurement position, and a workpiece can be prevented from colliding with a measuring head when the workpiece is placed in the auxiliary positioning tool; after the workpiece is placed into the positioning groove, the measuring head of the roughness measuring device directly contacts the workpiece, the operation is simple and fast, and the efficiency of manually detecting the roughness is greatly improved. The method is suitable for comprehensively measuring the roughness of the excircle and the end face of the shaft part with higher requirement on roughness, and is mainly used for detecting the roughness of the end face and the shaft diameter of the crankshaft during online detection in automobile enterprises.

Description

Position type shaft surface roughness measuring device

Technical Field

The utility model relates to a position type axle roughness measurement device belongs to roughness measurement technical field.

Background

Surface quality characteristics are one of the most important characteristics of machined parts, and therefore surface roughness inspection is often performed on finished parts. Traditionally, the surface roughness is detected directly by means of a standard sample piece or a sample block through visual observation or hand touch, and the method can only make qualitative comprehensive evaluation and cannot detect the surface roughness value quantitatively. After research and development by professionals, a plurality of roughness measuring instruments are available on the market, and the surface roughness value of a machined part can be quantitatively detected.

Surface roughness is often measured using various brands of roughness gauges (stylus methods). And axle type part, for example the bent axle, because its special structure, mostly be the multistage excircle like main journal, connecting rod neck, and probably have multiple diameter, if directly measure with the roughness meter, need install the roughness meter on the support that can height-adjusting, adjust the height according to the size of being surveyed the position, the operation is inconvenient and detect and take time more.

If the roughness measuring device that the preparation centre gripping was in the excircle, relied on the excircle to fix a position, because the difference of excircle diameter, the measuring device that can adjust the centre gripping position size need be made, when measuring, need come the size of continuous adjustment centre gripping position according to the change of diameter, and the operation is inconvenient and time-consuming, has influenced measuring efficiency.

If a special shaft measuring instrument is used for detection, the cost is too high, the manufacturing period is longer, and the requirement of automatic measuring equipment on the use environment is higher, so that the requirement of production on-line measurement is not easy to meet.

In order to solve the technical problems, a new technical scheme is especially provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a position type axle roughness measurement device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a position type axle roughness measuring device, includes the roughness meter body, and this position type axle roughness measuring device still includes positioning seat, locating hole, handle apron, pressure head A and pressure head B, is provided with the locating hole that is used for installing the roughness meter body on the positioning seat, and handle fixed mounting is on the positioning seat, and the afterbody at the handle is installed to the handle apron, sets up the lever on the positioning seat, and the one end of lever sets up pressure head A, and the other end of lever is fixed and is set up pressure head B.

Preferably, the handle is fixed on the positioning seat through screw installation.

Preferably, the outer surface of the pressure head A is an arc-shaped surface.

Preferably, the outer surface of the pressure head B is an arc-shaped surface.

Compared with the prior art, the beneficial effects of the utility model are that: the collision between the workpiece and the measuring head is avoided when the workpiece is placed in the measuring head; the method is simple and quick to operate, and the efficiency of manually detecting the roughness is greatly improved.

Drawings

Fig. 1 is a schematic structural sectional view of the position type shaft surface roughness measuring device provided by the present invention.

Fig. 2 is an external structural view of fig. 1.

FIG. 3 is a schematic structural view of a sample block placing seat;

FIG. 4 is a schematic structural view of a workpiece auxiliary positioning tool;

FIG. 5 is a perspective view of a position type shaft surface roughness measuring device;

fig. 6 is a perspective view of a workpiece being measured.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The object of the present invention is to solve the problems mentioned in the background art only, and the disclosure provides a principle which is only to solve the technical problems mentioned in the background art, therefore, a person skilled in the art should know that the technical solution of the present invention is disclosed to such an extent that the problems mentioned in the background art can be completely implemented. Therefore, if a person skilled in the art encounters new technical problems while implementing the present technical solution, the person skilled in the art should understand that the directional problem of secondary or tertiary development can be made on the basis of the present invention, and should not understand that the present invention is not fully disclosed or can not be implemented by newly proposing a problem, which all belong to the obvious ways known to the person skilled in the art. If the present invention describes the prior art section in the description of the specific embodiments, the prior art section is referred to, and the prior art section is not specifically described, it can be naturally understood as the prior art by the person skilled in the art.

And, this application needs to explain in advance that the utility model discloses on solving and realizing this basis and providing more a selection mode for the user, other technological effects that reach are only to belong to the benevolence person and see the benevolence, and the wisdom is seen to the wisdom notion, for example, if think that the technological effect that this application part described can not realize or reach, can understand that this can not realize or reach exaggerates beneficial effect and belongs to the mistake of writing part, can ignore or delete the processing, simultaneously, because this kind of condition belongs to the mistake of writing in advance has been explained here, when deleting, should not understand as the modification and go beyond the scope that the original description recorded.

Referring to the attached drawings of the specification, the utility model provides a technical scheme: a position type shaft surface roughness measuring device comprises a roughness meter body 20, wherein the roughness meter body 20 can be used as a roughness meter which can be understood by a person with ordinary skill in the art in the prior art, and on the basis of the prior art, a measuring head protective cover 1 is fixed on a driving unit of a roughness meter driver through screw installation and is used for protecting a measuring head when a workpiece is put in; the positioning seat 2 is provided with a positioning hole for mounting a driving unit of a roughmeter driver, the handle 3 is fixed on the positioning seat 2, and the positioning key 10 is mounted on the side face of the positioning seat 2; the handle 3 is fixedly arranged on the positioning seat 2 through screws, and the handle cover plate 4 is arranged at the tail part of the handle 3 and used for limiting the front and rear positions of the roughmeter driver in the positioning seat. The supporting column 5 is placed in the handle 3 and used for fixing a data line of the roughness instrument and preventing the data line from being pulled out of the driver when an operator operates the roughness instrument by mistake; the pressure head A6 is arranged on the lever 8, a spherical surface is arranged below the pressure head, the pressure head A is lower than the bottom surface of the positioning seat in a free state, and the pressure head A is flush with the bottom surface of the positioning seat in a working state; and the spring 7 is arranged on the lever 8 and is used for controlling the lever to reset in a free state. The lever 8 is provided with a pressure head A6, a spring 7 and a pressure head B9, and the height position of the measuring head is controlled through the lever. And the pressure head B9 is arranged on the lever 8, and in a free state, the upper part of the pressure head B props against the measuring head to enable the measuring head to ascend so as to avoid the contact with the workpiece. And in the working state, the pressure head B is separated from the measuring head, and the measuring head descends to contact the workpiece. The side of positioning key 10 installation in the positioning seat uses with the groove cooperation on the location frock, prevents to put into roughness measurement device according to opposite direction in the location frock, and, the utility model discloses based on do not have any product to be only advantage, the condition of shortcoming does not exist, the utility model discloses only use to specific environment in the background art, the scene that the background art mentioned for example, the user considers the factor of inconvenient use under some circumstances, then does not propose to purchase this application under that circumstances and use, this product only to and propose need mention the scene in the background art and can accept and ignore the user's use of other negative factors simultaneously, all belong to the implementation mode that ordinary skilled person in the art can know.

The roughness measuring device also comprises a sample block calibration seat 11 for calibration, and a placing groove is manufactured according to the actual size of the sample block; the positioning groove with fixed position is made according to the size of the positioning seat, and the technical solution of the present invention is only used as an embodiment of ideal state, such as horizontal or vertical or other, and in the existing industrial production process, some errors are inevitably generated, which are inevitable in the industrial production, and are also predictable and known by those skilled in the art, and can be understood as the prior art, and in the description of the present invention, the description language or the scheme adopted is only a best embodiment for the drawings, and those skilled in the art can flexibly select a specific embodiment based on the technical solution of the present invention, and all belong to the extension embodiments known by those skilled in the art. And, the utility model discloses in some realization the mode preferred of the scheme of the utility model discloses although can realize a bit the utility model discloses technical scheme, nevertheless not the best, probably there is new problem even, this new problem, for example anyone according to the utility model provides a new technical problem that does not mention in this application background art, can all understand as can make the directionality problem of continuation research and development on the basis of the utility model discloses on stating that this directionality problem is not the technical problem that the utility model aims to solve's basis, the utility model discloses technical scheme should understand that ordinary technical personnel in this field can clearly implement the technical scheme of the utility model.

When a workpiece is measured, the workpiece needs to be placed in the auxiliary positioning tool 12, then the positioning grooves on the auxiliary positioning tool 12 corresponding to the roughness measuring device are placed (the positions of the positioning grooves are manufactured according to the detected positions of the workpiece and are indicated by characters one by one, and according to detection parameters, a plurality of positioning grooves are arranged on one positioning tool, that is, a plurality of detection parameters at different positions can be detected by the measuring device), and the roughness of the corresponding positions can be measured. According to the diameter of different work pieces measured position, the change of length, only need make corresponding auxiliary positioning device, can satisfy the measurement requirement of the work piece of different models, simultaneously the utility model discloses on the basis of scheme, the ordinary technical staff accessible in the field is in order to accord with logical analysis and/or reason and mends the utility model discloses some not enough on the details, make the utility model discloses technical scheme is perfect and optimization more. And, if the problem not addressed by the present invention is addressed, any means known to those skilled in the art can be used to solve the problem, all of which are embodiments known to those skilled in the art. For example, the present invention is also directed to protecting the principle rather than specific data, and also considering that the size, data, etc. do not belong to the object protected by the utility model patent, and therefore are not elaborated, and those skilled in the art can understand any implementation mode known to those skilled in the art by combining with the prior art on the basis of the present invention, the present invention may have the defect mentioned in the background, and this defect may be the defect that the utility model has not been reached by the material of the people, but in the process of technical development, it is difficult to develop the technology without any defect, the solution of this defect can be understood as the prior art, and the utility model discloses a crowd only needs the environmental use mentioned in the background and can ignore this defect and continue to select the user to use. Based on this, what is claimed in the present application is only a part of the principle of the solution corresponding to the problem of the background art, and other parts, for example, how to implement the technical solution of the present application more optimally on the basis of the principle of the present application, obviously, the technical solution of the present application with clear description is not completely implemented through one development and one patent application, so the technical solution of the present application is only limited to the technical problem to be solved in the corresponding background art, and other parts can be completed in another development and patent application, or be continuously improved on the technology of the solution of the present application by other technical personnel in the art, and apply a patent to achieve the optimal using effect, all of which belong to the known ways in the art.

The design to be explained is: the control circuit involved in the present design is a conventional technique for controlling the operation of each component and the corresponding control program. The drawings are only for purposes of illustrating the principles of the invention that will be readily understood by those skilled in the art. Because of the limitation of the page size of the patent application document, in order to clearly show the principle, the proportional size between each component in the drawings may be inconsistent with the actual product, and it can be understood by those skilled in the art that, for example, the structural principle of a certain part in the drawings is highlighted, the part is intentionally drawn to be larger, and the other part appears to be smaller, so that the situation can be understood, and as can be understood by those skilled in the art, on the basis of the principle of the present invention, it is naturally possible to make each component smaller, more delicate and more practical on the basis of the present invention by using an industrial more reasonable design, and in the process of application, if a part of the description in the claims, the description and the drawings of the specification is deleted, the part of the description which is unclear is a part of the technical personnel in the field to understand and implement, that is, it is not understood in which scope the unclear description portion is, therefore, it is not reasonable to consider that the modifications beyond the scope described in the original specification and claims are obvious if it is not known which scope, and therefore, it should be understood that the unclear description portion is deleted in the present application in order to overcome the existing disadvantages and the unclear description portion is deleted without exceeding the scope described in the original specification and claims.

Moreover, the present invention can be implemented in any extended implementation known to those of ordinary skill in the art, all of which are within the scope of those of ordinary skill in the art, provided that the implementation of the present invention is in compliance with national laws and regulations and related safety precautions.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; and as will be appreciated by those skilled in the art, the benefits of the present invention are only better than those of the current embodiments of the prior art under certain circumstances, rather than being directed to the best use in the industry.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a position type axle surface roughness measuring device, includes the roughness meter body, its characterized in that: the position type shaft surface roughness measuring device further comprises a positioning seat, a positioning hole, a handle cover plate, a pressure head A and a pressure head B, wherein the positioning hole for mounting the roughness meter body is formed in the positioning seat, the handle is fixedly mounted on the positioning seat, the handle cover plate is mounted at the tail of the handle, a lever is arranged on the positioning seat, the pressure head A is arranged at one end of the lever, and the pressure head B is fixedly arranged at the other end of the lever.

2. The positional shaft surface roughness measuring device according to claim 1, wherein: the handle is fixed on the positioning seat through a screw.

3. The positional shaft surface roughness measuring device according to claim 1, wherein: the outer surface of the pressure head A is an arc-shaped surface.

4. The positional shaft surface roughness measuring device according to claim 3, wherein: the outer surface of the pressure head B is an arc-shaped surface.