CN215524486U

CN215524486U - Flatness checking fixture

Info

Publication number: CN215524486U
Application number: CN202122000791.6U
Authority: CN
Inventors: 谢岳军
Original assignee: Xie Yuejun
Current assignee: Xie Yuejun
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-14
Anticipated expiration: 2031-08-24

Abstract

The utility model provides a flatness checking fixture, which relates to the technical field of flatness checking fixtures and comprises a measuring assembly and a planar calibration plate, wherein the measuring assembly comprises a planar detection plate and at least three detection meters; all the detection tables are installed on the detection plate, the connecting lines of all the detection tables are in a broken line shape, each detection table is provided with a measurement head, the end parts of all the measurement heads extend out of the side wall of the same side of the detection plate, and the calibration plate is used for abutting against the measurement heads. The flatness gauge is low in manufacturing cost and high in cost performance for small processing units; meanwhile, the detection device has low requirements on the measurement environment, and a constant-temperature laboratory is not required to be specially arranged for measurement; in addition, the gauge has the characteristics of convenience in carrying and short detection time, can be used for detecting at any time and any place, solves the problem of timely management and control of the flatness quality of field products, and solves the problem of long detection time of mass products.

Description

Flatness checking fixture

Technical Field

The utility model relates to the technical field of flatness checking tools, in particular to a flatness checking tool.

Background

When measuring the flatness of a workpiece, a three-coordinate measuring machine is often used for detection.

A common small processing unit purchases a three-coordinate measuring machine, so that the investment cost is high; meanwhile, the three-coordinate measuring machine has high requirements on the environment and needs a constant-temperature laboratory; if the product is sent to a three-coordinate measuring machine for detection, the waiting time spent on detection is long, and the product quality of a production field cannot be controlled in time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flatness detection tool which is low in cost, can be used for stably and conveniently detecting at any time and any place, is short in detection time, and solves the problem of timely management and control of the flatness quality of a field product.

The embodiment of the utility model is realized by the following steps:

some embodiments of the utility model provide a flatness detection tool, which comprises a measuring assembly and a planar calibration plate, wherein the measuring assembly comprises a planar detection plate and at least three detection meters;

all the detection tables are installed on the detection plate, the connecting lines of all the detection tables are in a broken line shape, each detection table is provided with a measurement head, the end parts of all the measurement heads extend out of the side wall of the same side of the detection plate, and the calibration plate is used for abutting against the measurement heads.

In some embodiments of the utility model, the detection plate is provided with through holes, the number of the through holes is not less than that of the detection meters, and each detection meter is respectively arranged in one through hole.

In some embodiments of the present invention, the side wall of the detection plate, on which the measurement heads extend, is provided with at least three bumps, the connecting lines of all the bumps are in a zigzag shape, the end of each bump is used for abutting against the measured plane and the calibration plate, and the end of each measurement head exceeds the end of the bump.

In some embodiments of the present invention, the vias are distributed in an array.

In some embodiments of the utility model, the test meter is removably attached to the test strip.

In some embodiments of the utility model, the test meter is in screw connection with the test plate.

In some embodiments of the utility model, the test meter is magnetically attached to the test plate.

In some embodiments of the utility model, the test meter is a dial gauge or a dial gauge.

In some embodiments of the utility model, the side wall of the detection plate from which the measuring head extends is provided with a handle.

In some embodiments of the present invention, the detection plate is a hollow structure.

Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:

the utility model provides a flatness checking fixture, which comprises a measuring assembly and a planar calibration plate, wherein the measuring assembly comprises a planar detection plate and at least three detection meters; all the detection tables are installed on the detection plate, the connecting lines of all the detection tables are in a broken line shape, each detection table is provided with a measurement head, the end parts of all the measurement heads extend out of the side wall of the same side of the detection plate, and the calibration plate is used for abutting against the measurement heads. The flatness detection tool can finish flatness detection work only through the calibration plate, the detection plate and the detection meter, the manufacturing cost is low, the detection device has low requirement on the measurement environment, a constant temperature laboratory is not required to be specially arranged for measurement, and the cost performance of a small processing unit is high; meanwhile, the measurement assembly calibrated by the calibration plate only needs to be abutted against the measured plane, the difference between the numerical values on the detection table displaying the maximum numerical value and the minimum numerical value is the planeness of the measured plane, the required detection time is short, and the problem of long time required for detecting mass products is solved; in addition, the gauge is convenient to carry, can be used for detecting at any time and any place, and solves the problem of timely management and control of the flatness quality of field products.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of an overall structure of a flatness detection tool according to an embodiment of the utility model;

FIG. 2 is an exploded view of a measurement assembly according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a relationship between a measurement component and a plane to be measured according to an embodiment of the present invention;

FIG. 4 is a schematic view of another embodiment of a measuring assembly according to the present invention;

FIG. 5 is a schematic structural diagram of a detection board with through holes arranged in a rectangular array according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a detection plate with through holes arranged in a concentric circular array according to an embodiment of the present invention;

FIG. 7 is a schematic view of a screw connection structure between a detection meter and a detection plate according to an embodiment of the present invention;

FIG. 8 is a diagram of a magnetic attraction connection structure between a detection meter and a detection board according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a hollowed-out detection board according to an embodiment of the present invention;

FIG. 10 is a schematic view of an overall structure of a flatness detecting apparatus with bumps according to an embodiment of the present invention;

FIG. 11 is a schematic diagram of a bonding structure between a detection meter and a detection board according to an embodiment of the present invention.

Icon: 100-measured plane; 1-calibrating the plate; 2-detecting plate; 3-detecting a table; 4-a measuring head; 5-a through hole; 6-a handle; 7-a connecting part; 8-a magnet; 9-hollowed-out; 10-bump.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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 invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, or an orientation or a positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, and the indication or the suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, the present invention should not be construed as being limited.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

Please refer to fig. 1-4. FIG. 1 is a schematic view of an overall structure of a flatness detection tool according to an embodiment of the utility model; FIG. 2 is an exploded view of a measurement assembly according to an embodiment of the present invention; FIG. 3 is a schematic diagram of the interference relationship between the measuring device and the measured plane 100 according to the embodiment of the present invention; fig. 4 is another structural diagram of a measurement assembly according to an embodiment of the utility model.

The utility model provides a flatness checking fixture, which comprises a measuring assembly and a planar calibration plate 1, wherein the measuring assembly comprises a planar detection plate 2 and at least three detection tables 3; all detect table 3 and all install in pick-up plate 2, all the line that detects table 3 is the broken line form, and every detects table 3 and all has measuring head 4, and the tip of all measuring heads 4 extends pick-up plate 2 with one side lateral wall, calibration plate 1 is used for contradicting with measuring head 4.

In this embodiment, based on the illustrations of fig. 1-3, taking the measurement of the flatness of the inlay holder as an example, four facets on the inlay holder are the measured planes 100. In detail, the calibration plate 1 is a rectangular flat plate structure; the measuring component comprises a planar rectangular detection plate 2, four through holes 5 are formed in the position, close to four corners, of the detection plate 2, and the four through holes 5 are arranged in a rectangular array; the detection meter 3 adopts four common dial gauges, and the measuring heads 4 of the four detection meters 3 are respectively inserted into the through hole 5 from the same side of the detection plate 2 and slightly extend out of the other side of the through hole 5; because the four through holes 5 are arranged in a rectangular array, the requirement that the connecting lines of the four detection tables 3 are in a broken line shape is met, namely the four detection tables 3 are not simultaneously distributed on a straight line; the four detection tables 3 are fixedly connected with the detection plate 2, and the relative positions of the four measurement heads 4 just can be simultaneously abutted against the four detected planes 100 on the inlay support. The measurement process comprises the following steps: firstly, the side wall of the detection plate 2, which is extended with the measuring head 4, is abutted against the side wall of the calibration plate 1, and at the moment, a certain reading is displayed on each of the four detection tables 3; secondly, clearing the readings of the four detection tables 3; thirdly, separating the detection plate 2 from the calibration plate 1, abutting the side wall, extending with the measuring head 4, of the detection plate 2 against the four measured planes 100 on the inlay bracket, and abutting the four measuring heads against the four measured planes 100 respectively, wherein at the moment, the four measuring tables 3 have certain readings; and fourthly, reading the four readings of the detection table 3, wherein the difference between the maximum value and the minimum value in the four readings is the planeness of the detected plane 100. The flatness detection tool can finish flatness detection work only through the calibration plate 1, the detection plate 2 and the detection table 3, the manufacturing cost is low, the detection device has low requirement on the measurement environment, a constant temperature laboratory is not required to be specially arranged for measurement, and the cost performance of a small processing unit is high; meanwhile, the measurement component calibrated by the calibration plate 1 only needs to be abutted against the measured plane 100, the difference between the values on the detection table 3 which shows the maximum value and the minimum value is the flatness of the measured plane 100, the required detection time is short, and the problem of long time required for detecting mass products is solved; in addition, the gauge is convenient to carry, can be used for detecting at any time and any place, and solves the problem of timely management and control of the flatness quality of field products.

In other embodiments except the above embodiments, taking the example of measuring the flatness of a measured plane 100 on a certain part through three points, the number of the through holes 5 on the detection plate 2 is three, the three through holes 5 are arranged in a triangle, the detection table 3 is a common dial indicator, one detection table 3 is arranged in each through hole 5, and the detection tables 3 arranged in a triangle satisfy that the connecting lines of all the detection tables 3 are in a broken line shape, that is, the three detection tables 3 are not distributed on a straight line at the same time; the detection table 3 is a dial indicator, and the position of a detection head on the dial indicator can be simultaneously collided with three measurement points on the measured plane 100; the flatness of the plane 100 to be measured can be obtained by performing the measurement in the same steps as described above.

In other embodiments except the above embodiment, based on fig. 4, taking the example of measuring the flatness of a measured plane 100 on a certain component by five points, the number of the through holes 5 is ten, and ten through holes 5 are arranged in two rows and five columns; the detection tables 3 are common dial gauges, the number of the detection tables 3 is five, the five detection tables 3 are arranged in the five through holes 5 according to the positions of five detected points, and the five detection tables 3 are not arranged on the same straight line; the flatness of the plane 100 to be measured can be obtained by performing the measurement in the same steps as described above. The number of the through holes 5 is large, and a user can set the detection table 3 in different through holes 5 according to the position of a measuring point of the measured plane 100, so that the application range of the product is enlarged.

Further, the side wall of the detection plate 2 facing away from the measuring head 4 is provided with a handle 6.

In the embodiment, based on fig. 1, the handle 6 is arranged to facilitate a measurer to take and carry the flatness gauge; meanwhile, compared with the method that the handle 6 is not arranged, the detection plate 2 is only moved by two hands to carry out calibration and measurement, the handle 6 is arranged, so that the product is easy to use, and the measurement efficiency is improved.

Example 2

Please refer to fig. 5 and 6. Fig. 5 is a schematic structural diagram of the detection board 2 in which the through holes 5 are arranged in a rectangular array according to the embodiment of the present invention; fig. 6 is a schematic structural view of the detection plate 2 in which the through holes 5 are arranged in a concentric circular array according to the embodiment of the present invention.

In this embodiment, it is proposed based on the technical solution of embodiment 1 that the through holes 5 are distributed in an array.

In the present embodiment, as shown in fig. 5, the detection plate 2 has a rectangular flat plate-like structure, and through holes 5 are densely formed in the side wall thereof in a rectangular array. The larger the number of the through holes 5, the more positions where the detection table 3 can be provided; because the conditions of the measured planes 100 on different parts are different from each other and the relative positions of the measuring points on the parts are also different from each other, the detection table 3 can be arranged in different through holes 5 according to the positions of different measuring points, thereby meeting the measuring requirements; the more the number of the through holes 5 is, the wider the application range of the flatness gauge is; meanwhile, the through holes 5 in large number can reduce the weight of the whole flatness checking fixture, so that the portability of the product is improved.

In another embodiment except the above embodiment, as shown in fig. 6, the detection plate 2 has a circular flat plate-like structure, and through holes 5 are formed in a concentric circle array on a side wall thereof.

Example 3

Please refer to fig. 7. Fig. 7 is a schematic view of a screw connection structure between the detection table 3 and the detection plate 2 according to the embodiment of the utility model.

The present embodiment proposes that the detection table 3 is detachably connected to the detection board 2 based on the technical solution of embodiment 1.

In the present embodiment, the detection table 3 is screwed to the detection plate 2 based on fig. 7. In detail, the side wall of the dial plate of the detection table 3 is provided with a connecting part 7, the connecting part 7 is connected with the side wall of the detection plate 2 which extends to form the measuring head 4 through a screw, and the end part of the screw needs to be ensured not to extend out of the side wall of the detection plate 2 which extends to form the measuring head 4, so that the screw is ensured not to influence the measurement. Before measurement, the detection table 3 is fixed in the corresponding through hole 5 by a screw according to the position of the measurement point on the measured plane 100.

Example 4

Please refer to fig. 8. Fig. 8 is a schematic view of a magnetic attraction connection structure between the detection table 3 and the detection plate 2 according to the embodiment of the utility model.

In this embodiment, based on fig. 8, the detection plate 2 is made of a magnetic material, the side wall of the detection table 3 is provided with a magnet 8, and the detection table 3 and the detection plate 2 are magnetically connected; the connection is inhaled to magnetism has easy dismounting's characteristics, practices thrift the dismouting time.

Example 5

Please refer to fig. 9. Fig. 9 is a schematic structural view of the detection plate 2 in a hollow shape according to the embodiment of the present invention.

The present embodiment proposes based on the technical solution of embodiment 1 that the detection plate 2 is a hollow structure.

In this embodiment, based on fig. 9, a hollowed-out opening 9 is formed in the detection plate 2, and the hollowed-out opening 9 can reduce the weight of the entire flatness detection tool and increase the portability; meanwhile, if other convex structures are arranged on the measured plane 100, the situation that the detection plate 2 cannot be collided with the measured plane 100 may be caused, and the convex structures can be accommodated by the hollow-out openings 9, so that the measurement is ensured.

Example 6

Please refer to fig. 10. Fig. 10 is a schematic view of the overall structure of the planarity inspection device with bumps 10 according to the embodiment of the present invention.

The present embodiment provides a flatness checking fixture, which has substantially the same structure as embodiment 1, except that:

the side wall of the detection plate 2, on which the measuring heads 4 extend, is provided with at least three bumps 10, the connecting lines of all the bumps 10 are in a zigzag shape, the end part of each bump 10 is used for abutting against the measured plane 100 and the calibration plate 1, and the end part of each measuring head 4 exceeds the end part of each bump 10.

In this embodiment, based on the illustration of fig. 10, taking the measurement of the flatness of the inlay holder as an example, four facets on the inlay holder are measured planes 100. The number of the convex blocks 10 is three, the size and the shape of the three convex blocks 10 are the same, the three convex blocks 10 are respectively arranged near the three measuring heads 4, the three convex blocks 10 are arranged in a triangle, and the connecting lines of all the convex blocks 10 are in a broken line shape, namely the three convex blocks 10 are not distributed on the same straight line; the ends of the measuring heads 4 of the four measuring tables 3 each extend slightly beyond the end of the projection 10. The measurement process comprises the following steps: firstly, the end parts of the three bumps 10 are simultaneously abutted against the side wall of the calibration plate 1, and at the moment, the four detection tables 3 display certain readings; secondly, clearing the readings of the four detection tables 3; thirdly, separating the detection plate 2 from the calibration plate 1, simultaneously abutting the end parts of the three bumps 10 against four measured planes 100 on the inlay support, and respectively abutting the four detection heads against the four measured planes 100, wherein at the moment, the four detection tables 3 have certain readings; and fourthly, reading the four readings of the detection table 3, wherein the difference between the maximum value and the minimum value in the four readings is the planeness of the detected plane 100. When the plane 100 to be detected has other protruding structures, the wall surface of the detection plate 2 may not be attached to the plane 100 to be detected; by allowing the bump 10 to abut against the plane 100 to be measured, a space for accommodating the above-described other structures can be reserved between the plane 100 to be measured and the detection plate 2.

In other embodiments except the above embodiment, the number of the bumps 10 is four, the four bumps 10 have the same size and shape, each bump 10 is respectively arranged near different measuring heads 4, and the four bumps 10 are arranged in a rectangular shape, so that the connection lines of all the bumps 10 are in a zigzag shape, that is, the four bumps 10 are not distributed on the same straight line; the ends of the measuring heads 4 of the four measuring tables 3 each extend slightly beyond the end of the projection 10. The flatness of the plane 100 to be measured can be obtained by performing the measurement in the same steps as described above.

Example 7

Please refer to fig. 11. Fig. 11 is a schematic diagram of the bonding structure between the detection table 3 and the detection plate 2 according to the embodiment of the present invention.

In this embodiment, based on the illustration in fig. 11, taking the measurement of the flatness of the inlay holder as an example, four facets on the inlay holder are measured planes 100. In detail, the calibration plate 1 is a rectangular flat plate structure; the measuring component comprises a planar rectangular detection plate 2; the detection tables 3 are common dial indicators, the number of the detection tables is four, the four detection tables 3 are adhered to the edge of the detection plate 2, and the condition that the connecting lines of the four detection tables 3 are in a broken line shape is met, namely the four detection tables 3 are not simultaneously distributed on a straight line; the four measuring heads 4 of the detecting table 3 slightly extend out of the same side of the detecting plate 2; the relative position of the four measuring heads 4 is exactly such that they can simultaneously abut against the four measured planes 100 on the inlay carrier.

In summary, the device comprises a measuring assembly and a planar calibration plate 1, wherein the measuring assembly comprises a planar detection plate 2 and at least three detection tables 3; all detect table 3 and all install in pick-up plate 2, all the line that detects table 3 is the broken line form, and every detects table 3 and all has measuring head 4, and the tip of all measuring heads 4 extends pick-up plate 2 with one side lateral wall, calibration plate 1 is used for contradicting with measuring head 4. The flatness detection tool can finish flatness detection work only through the calibration plate 1, the detection plate 2 and the detection table 3, the manufacturing cost is low, the detection device has low requirement on the measurement environment, a constant temperature laboratory is not required to be specially arranged for measurement, and the cost performance of a small processing unit is high; meanwhile, the measurement component calibrated by the calibration plate 1 only needs to be abutted against the measured plane 100, the difference between the values on the detection table 3 which shows the maximum value and the minimum value is the flatness of the measured plane 100, the required detection time is short, and the problem of long time required for detecting mass products is solved; in addition, the gauge is convenient to carry, can be used for detecting at any time and any place, and solves the problem of timely management and control of the flatness quality of field products.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A flatness detection tool is characterized by comprising a measuring assembly and a planar calibration plate, wherein the measuring assembly comprises a planar detection plate and at least three detection meters;

all the detection meters are installed on the detection plate, the connecting lines of all the detection meters are in a folded line shape, each detection meter is provided with a measurement head, the end parts of all the measurement heads extend out of the side wall of the same side of the detection plate, and the calibration plate is used for abutting against the measurement heads.

2. The flatness detecting tool according to claim 1, wherein the detecting plate is provided with through holes, the number of the through holes is not less than that of the detecting meters, and each detecting meter is respectively installed on one through hole.

3. The flatness detecting tool according to claim 2, wherein the side wall of the detecting plate from which the measuring heads extend is provided with at least three protrusions, the connecting line of all the protrusions is in a zigzag shape, the end of each protrusion is used for abutting against the plane to be measured and the calibrating plate, and the end of each measuring head exceeds the end of the protrusion.

4. The flatness detection tool according to claim 2, wherein the through holes are distributed in an array.

5. The flatness detecting tool according to claim 2, wherein the detecting gauge is detachably connected to the detecting plate.

6. The flatness detecting tool according to claim 5, wherein said detecting gauge is connected with said detecting plate by screws.

7. The flatness detecting tool according to claim 5, wherein the detecting gauge is magnetically connected with the detecting plate.

8. The flatness detecting tool according to claim 1, wherein the detecting gauge is a dial gauge or a dial gauge.

9. The flatness detection tool according to claim 1, wherein a handle is provided on a side wall of the detection plate opposite to the side wall from which the measuring head extends.

10. The flatness detecting tool according to claim 1, wherein the detecting plate is a hollow structure.