CN212158450U

CN212158450U - Flatness detection device

Info

Publication number: CN212158450U
Application number: CN202021082519.6U
Authority: CN
Inventors: 刘曙凯; 徐建明
Original assignee: Nanjing Mingqiao Machinery Development Co ltd
Current assignee: Nanjing Mingqiao Machinery Development Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2020-12-15
Anticipated expiration: 2030-06-12

Abstract

The utility model relates to a product plane degree detects technical field, specifically discloses a plane degree detection device, including percentage table and support, the support includes upper bracket and undersetting, and the inside position department that just is close to the avris of undersetting has seted up a perforation, should perforate and run through upper bracket and undersetting, and the bottom of undersetting has arranged three jack with the article font, and the equal fixed grafting has a locating pin in the three jack, and a screw hole has just been seted up to fenestrate position department level along the outer edge of upper bracket, and this screw hole female connection has the locking screw. The utility model discloses a set up the perforation on the support, the locking screw that the deuterogamy set up can effectively combine to form a small and exquisite portable's plane degree detection device with percentage table and support, and the data that its detected is more accurate, and the data contrast that the reunion multiunit detected reachs for ultimate detection judged result is more accurate, and the detection time spent is short, efficient.

Description

Flatness detection device

Technical Field

The utility model relates to a product flatness detects technical field, specifically is a flatness detection device.

Background

At present, two methods for measuring the flatness of a product are available, wherein one method is that a worker takes a leveling ruler or a similar workpiece to be close to the surface of the product and uses a feeler gauge to measure the flatness, the whole operation process is complicated, the measured data has large error, and the numerical value of the flatness of the product cannot be accurately obtained; secondly, the product is placed on a three-coordinate measuring instrument for measurement, although the detection precision is high, the data is accurate, the detection is long in time consumption, the efficiency is low, the operation is complex, special three-coordinate measuring personnel are needed for operation, the purchase cost of the equipment is high (hundreds of thousands or even millions), the resources of the equipment are scarce, and the flatness detection cost of the whole product is too high due to the fact that the special personnel are needed for operation during measurement, and 95% of clients cannot measure in the mode.

Therefore, the flatness detecting device has the advantages of low cost, simple use, convenience in carrying and operation, and high accuracy and detection efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a with low costs, simple to use, convenient to carry, the operation is convenient, and the flatness detection device of advantages such as accuracy and detection efficiency height.

The utility model discloses a flatness detecting device, including percentage table and support, the percentage table includes dial plate, sleeve, measuring staff and gauge head, the support includes upper bracket and undersetting.

The upper bracket, the upper bracket is located the top of undersetting, and upper bracket and undersetting fixed connection, the inside position department that just is close to the avris of undersetting has seted up a perforation, and should perforate and run through upper bracket and undersetting, the bottom of undersetting has arranged three jack with the article font, and it has a locating pin all to fix the grafting in the three jack, a screw hole has just been seted up to fenestrate position department level along the outer edge of upper bracket, and this screw hole female connection has locking screw.

The sleeve, the sleeve is located the bottom position of dial plate, and this sleeve is pegged graft in the perforation, the measuring staff slip of percentage table is pegged graft and is surveyed in telescopic, and the bottom mounting of this measuring staff has the gauge head.

The utility model discloses a flatness detection device, wherein upper bracket and undersetting are the cylinder structure, and for the design of concentric shaft between upper bracket and the undersetting, the central vertical axis extending direction of fenestrate extending direction and upper bracket and undersetting is unanimous, and this design can make the measuring staff of percentage table unanimous with the support extending direction, ensures that its measuring staff of the device detects the plane with the product when detecting the product plane degree and is perpendicular to this accuracy of guaranteeing to detect data.

The utility model discloses a flatness detecting device, wherein the bottom of locating pin extends to the outside of undersetting bottom face, and the length that three locating pin extends undersetting bottom face part equals, and this design can ensure that its measuring staff and product of the device wait to detect the plane perpendicular when detecting the product flatness.

The utility model discloses a flatness detecting device, wherein fenestrate aperture size agrees with sleeve size of dimension mutually, and this design can make being connected between percentage table and the support more stable, ensures percentage table measured data's the degree of accuracy, locking screw's tip is hugged closely on telescopic surface, the percentage table passes through the fenestrate setting of sleeve cooperation and is connected with the help of locking screw and support again.

The utility model discloses a flatness detecting device, wherein the percentage table is the digital display percentage table, and is equipped with digital display LCD and operating button on the dial plate of percentage table respectively, and this design can make the data that the percentage table detected directly come out with digital display, makes things convenient for the measurement personnel to survey and take notes.

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

the utility model can effectively combine the dial indicator and the support to form a small and portable planeness detection device by arranging the through holes on the support and matching with the arranged locking screws, in addition, three positioning pins arranged in a shape like a Chinese character 'pin' are arranged at the bottom of the support, so that the device adopts a form of forming three points into a surface when detecting the flatness of a product, the data detected at one time is more accurate, and the final detection judgment result is more accurate by combining the data comparison obtained by a plurality of groups of detections, the detection time consumption is short, the efficiency is high, and the main detection mechanism of the device is a dial indicator, the device cost is far lower than that of the existing three-dimensional coordinate detecting instrument, the operation is simple and convenient, and the detecting work can be performed by only being familiar with the operation flow of the dial indicator, so that the detecting cost is greatly reduced, and the device is suitable for the requirements of most customers.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic diagram of the explosion structure of the support of the present invention;

FIG. 3 is a schematic view of the support structure of the present invention;

figure 4 is the utility model discloses percentage table structure sketch map.

In the figure: 1. a dial indicator; 101. a dial plate; 102. a sleeve; 103. a measuring rod; 104. a measuring head; 2. a support; 201. an upper support; 202. a lower support; 203. perforating; 204. a jack; 205. positioning pins; 206. a threaded hole; 3. and locking the screw.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, the flatness detecting apparatus of the present invention includes a dial indicator 1 and a support 2, the dial indicator 1 includes a dial plate 101, a sleeve 102, a measuring rod 103 and a measuring head 104, and the support 2 includes an upper support 201 and a lower support 202.

Upper bracket 201, upper bracket 201 is located the top of undersetting 202, and upper bracket 201 and undersetting 202 fixed connection, the inside position department that just is close to the avris of undersetting 202 has seted up a perforation 203, this perforation 203 runs through upper bracket 201 and undersetting 202, three jack 204 of having arranged with the delta font in the bottom of undersetting 202, all fixed the pegging graft has a locating pin 205 in the three jack 204, a screw hole 206 has just been seted up to the position department level of perforating 203 to the outer edge of upper bracket 201, this screw hole 206 female connection has locking screw 3.

The sleeve 102 is located at the bottom of the dial 101, the sleeve 102 is inserted into the through hole 203, the measuring rod 103 of the dial indicator 1 is inserted into the sleeve 102 in a sliding manner, and the measuring head 104 is fixed at the bottom end of the measuring rod 103.

The upper support 201 and the lower support 202 are both of cylindrical structures, a concentric shaft is arranged between the upper support 201 and the lower support 202, the extending direction of the through hole 203 is consistent with the extending direction of the central vertical shaft of the upper support 201 and the lower support 202, the design enables the measuring rod 103 of the dial indicator 1 to be consistent with the extending direction of the support 2, and the measuring rod 103 of the device is ensured to be perpendicular to a plane to be detected by a product when the device detects the flatness of the product, so that the accuracy of detection data is ensured.

The bottom ends of the positioning pins 205 extend to the outside of the bottom end face of the lower support 202, and the lengths of the parts of the three positioning pins 205 extending out of the bottom end face of the lower support 202 are equal, so that the measuring rod 103 of the device can be ensured to be perpendicular to a plane to be detected of a product when the device is used for detecting the flatness of the product.

The aperture size of the through hole 203 is matched with the size of the sleeve 102, the design can enable the connection between the dial indicator 1 and the support 2 to be more stable, the accuracy of the measuring data of the dial indicator 1 is ensured, the end part of the locking screw 3 is tightly attached to the surface of the sleeve 102, and the dial indicator 1 is connected with the support 2 through the sleeve 102 and the through hole 203, and the locking screw 3 is used for assisting the connection.

The dial indicator 1 is a digital display dial indicator, and a digital display liquid crystal display and an operation key are respectively arranged on the dial plate 101 of the dial indicator 1.

When using the utility model discloses the time:

before the device is used, a worker firstly puts the device on a standard plane to implement zero calibration setting on the dial indicator 1, then arbitrarily puts the device on a product surface to be detected to enable the end faces of the three positioning pins 205 to be tightly attached to the product surface (three points determine a plane), then observes and records the numerical value detected by the dial indicator 1 to serve as a group of reference data, finally converts different positions of the device on the plane to be detected, and compares and judges whether the detection plane is qualified after taking multiple groups of data.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a flatness detecting device, includes percentage table (1) and support (2), percentage table (1) is including dial plate (101), sleeve (102), measuring staff (103) and gauge head (104), its characterized in that: the support (2) comprises an upper support (201) and a lower support (202);

the upper support (201) is positioned at the top of the lower support (202), the upper support (201) is fixedly connected with the lower support (202), a through hole (203) is formed in the lower support (202) and at a position close to the side, the through hole (203) penetrates through the upper support (201) and the lower support (202), three insertion holes (204) are arranged at the bottom end of the lower support (202) in a delta shape, positioning pins (205) are fixedly inserted in the three insertion holes (204), a threaded hole (206) is horizontally formed in the position, opposite to the through hole (203), of the outer edge of the upper support (201), and a locking screw (3) is connected with the threaded hole (206) in a threaded manner;

the dial indicator comprises a sleeve (102), the sleeve (102) is located at the bottom of the dial (101), the sleeve (102) is inserted into the through hole (203), a measuring rod (103) of the dial indicator (1) is inserted into the inner side of the sleeve (102) in a sliding mode, and a measuring head (104) is fixed at the bottom end of the measuring rod (103).

2. A flatness detecting apparatus according to claim 1, wherein: the upper support (201) and the lower support (202) are both of cylindrical structures, a concentric shaft is arranged between the upper support (201) and the lower support (202), and the extending direction of the through hole (203) is consistent with the extending direction of the central vertical shaft of the upper support (201) and the lower support (202).

3. A flatness detecting apparatus according to claim 1, wherein: the bottom ends of the positioning pins (205) extend to the outside of the bottom end face of the lower support (202), and the lengths of the parts of the three positioning pins (205) extending out of the bottom end face of the lower support (202) are equal.

4. A flatness detecting apparatus according to claim 1, wherein: the aperture size of the through hole (203) is matched with the size of the sleeve (102), the end part of the locking screw (3) is tightly attached to the surface of the sleeve (102), and the dial indicator (1) is matched with the through hole (203) through the sleeve (102) and then is connected with the support (2) through the locking screw (3).

5. A flatness detecting apparatus according to claim 1, wherein: the dial indicator (1) is a digital display dial indicator, and a digital display liquid crystal display and an operation key are respectively arranged on a dial plate (101) of the dial indicator (1).