CN220380457U - Auxiliary detection jig - Google Patents

Abstract

The application provides a detect auxiliary jig, include: a carrying member provided with a carrying portion for accommodating a workpiece; the positioning piece is arranged on the bearing piece and is adjacent to the bearing part; and the optical path conversion element is arranged on the periphery of the bearing part, is arranged at intervals with the positioning piece, is provided with a reflecting surface inclined relative to the vertical direction, and is used for reflecting the light rays which are reflected by the connecting part and are transmitted along the horizontal direction to the image measuring instrument so as to form an image of the through hole. The auxiliary detection jig can convert the propagation direction of the light reflected by the connecting part by reflecting the light reflected by the connecting part through the reflecting surface, so that the propagation direction of the light is converted from the horizontal direction to the vertical direction, the converted light is received by the image measuring instrument arranged in the vertical direction to acquire the image of the through hole, the hole position and the size of the through hole are measured according to the image of the through hole, and the image measuring instrument is further used for measuring the through hole on the connecting part arranged vertically.

Description

Auxiliary detection jig

Technical Field

The utility model relates to the technical field of punching plate position detection equipment, in particular to a detection auxiliary jig.

Background

At present, the precision requirement of people on a workpiece is higher and higher, and the hole site and the size of the workpiece are usually measured after the workpiece is punched and manufactured, so as to detect whether the hole site and the size of the workpiece meet the standards, for example: cell phone middle plate. The mobile phone middle plate is generally provided with a flat plate part and a connecting part arranged on the flat plate part along the vertical direction, wherein the connecting part is provided with a through hole for installing other elements. In order to enable other components to be stably mounted to the through hole, an operator inserts a detection component matched with the through hole into the through hole to detect whether the through hole meets the standard. However, in the process of plugging the detection piece into the through hole, the detection piece is easy to rub against the wall of the through hole to deform the connecting part, and the detection piece can interfere with the through hole which is within the tolerance range and smaller than the standard size, so that the detection piece cannot accurately detect.

The existing image measuring instrument can carry out non-contact measurement on the hole position and the size of the workpiece, the measuring precision of the image measuring instrument is high, and the detection result can be digitally displayed, so that an operator can judge whether the hole position and the size of the through hole accord with the standard according to the measurement result displayed by the display, and then the through hole is corrected according to the measurement result. However, the existing image measuring instrument generally only facilitates measurement of a through hole of a workpiece disposed in a horizontal direction (facilitates photographing or capturing an image from directly above), and does not facilitate detection or measurement of a through hole of a workpiece disposed in a vertical direction.

Disclosure of Invention

In view of the above, it is necessary to provide a detection assisting jig for facilitating measurement of a through hole of a workpiece arranged in a vertical direction by an image measuring instrument.

The embodiment of the application provides a detect auxiliary jig for cooperate image measuring apparatu to detect the hole site and the size of through-hole on the work piece, the work piece has dull and stereotyped portion and perpendicular connection dull and stereotyped portion's connecting portion, the through-hole set up in connecting portion, detect auxiliary jig includes: the bearing piece is provided with a bearing part for accommodating the workpiece, and the connecting part is arranged in the vertical direction relative to the bearing part; the positioning piece is arranged on the bearing piece and is adjacent to the bearing part, and the positioning piece is used for positioning the workpiece accommodated in the bearing part; and the optical path conversion element is arranged on the periphery of the bearing part and is arranged with the positioning piece at intervals, the optical path conversion element is provided with a reflecting surface inclined relative to the vertical direction, and the reflecting surface is used for reflecting the light transmitted along the horizontal direction and reflected by the connecting part to the image measuring instrument so as to form the image of the through hole.

The auxiliary detection jig can convert the propagation direction of the light reflected by the connecting part by reflecting the light reflected by the connecting part through the obliquely arranged reflecting surface, so that the propagation direction of the light is converted from the horizontal direction to the vertical direction, the image measuring instrument arranged in the vertical direction receives the converted light to acquire the image of the through hole, the hole position and the size of the through hole are measured according to the image of the through hole, and the image measuring instrument measures the through hole arranged on the vertically arranged connecting part.

In some embodiments, the angle between the reflective surface and the upper surface of the carrier is 45 °.

In some embodiments, the optical path conversion element includes: the first supporting part is arranged on the periphery of the bearing part and is arranged at intervals with the positioning piece, and the second supporting part is convexly arranged on one side, away from the bearing piece, of the first supporting part and is connected with the first supporting part; the light path conversion part is arranged on the first supporting part and is abutted against the second supporting part, and the light path conversion part is provided with the reflecting surface; and one end of the pressing part is connected with the second supporting part, and the other end of the pressing part is used for pressing the light path conversion part to the first supporting part.

In some embodiments, the optical path conversion element further comprises: and the stop part is opposite to the second support part and arranged on the first support part, and is abutted to the light path conversion part along the horizontal direction so as to stop the light path conversion part along the horizontal direction.

In some embodiments, the positioning member comprises: a first positioning portion disposed along a first direction and disposed adjacent to the carrying portion for positioning the workpiece along the first direction; the second positioning part is arranged along a second direction and is adjacent to the bearing part and used for positioning the workpiece along the second direction, and the first direction is perpendicular to the second direction.

In some embodiments, the detection assisting jig further comprises: and the cover piece is arranged opposite to the bearing piece and is used for covering the workpiece to the bearing piece and fixing the workpiece to the bearing piece.

In some embodiments, the detection assisting jig further comprises: the pressing component is movably arranged on the bearing piece in a penetrating mode and the cover piece in a penetrating mode, and is used for propping against the cover piece to the bearing piece and enabling the workpiece covered by the cover piece to be pressed to the bearing piece.

In some embodiments, the compression assembly comprises: one end of the connecting piece is connected with the external driving piece, the other end of the connecting piece movably penetrates through the bearing piece and the cover piece, and the connecting piece is used for rotating under the driving of the external driving piece; the compressing piece is connected with one end, far away from the bearing piece, of the connecting piece, and the compressing piece rotates relative to the cover piece under the drive of the connecting piece and is used for propping against the cover piece to the bearing piece.

In some embodiments, the detection assisting jig further comprises: the handle is arranged on one side of the cover part, which is away from the bearing part, and is connected with the cover part, so as to drive the cover part to move.

In some embodiments, the cover and the carrier are both provided with light holes, and the light holes are used for enabling the light emitted by the external light source to be emitted to the image measuring instrument.

Drawings

Fig. 1 is a schematic perspective view of an auxiliary detection fixture according to an embodiment of the present application.

Fig. 2 is a schematic perspective view of a workpiece to which the inspection assisting tool shown in fig. 1 is applicable.

Fig. 3 is a schematic exploded view of the auxiliary jig shown in fig. 1.

Fig. 4 is a schematic perspective view of the optical path conversion element shown in fig. 1.

Description of the main reference signs

Auxiliary detection jig 100

Carrier 10

The bearing part 11

Positioning piece 20

First positioning portion 21

Second positioning portion 22

Optical path switching element 30

Reflecting surface 31

First support portion 32

Second support portion 33

Optical path conversion unit 34

Pressing portion 35

Stop 36

Cover 40

Light hole 41

Compression assembly 50

Connecting piece 51

Compression member 52

Handle 60

Workpiece 200

Through-hole 201

Plate portion 202

Connection 203

Detailed Description

The objects, features and advantages of the present application will be more clearly understood from the following detailed description of the present application taken in conjunction with the accompanying drawings and detailed description. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, the described embodiments are merely some, rather than all, of the embodiments of the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Embodiments of the present application are further described below with reference to the accompanying drawings.

Referring to fig. 1 to 3, an embodiment of the present application provides an auxiliary inspection jig 100, where the auxiliary inspection jig 100 includes a carrier 10, a positioning member 20 and an optical path conversion element 30, and the auxiliary inspection jig 100 is used to cooperate with an image measuring instrument to detect the hole position and the size of a through hole 201 on a workpiece 200. The workpiece 200 has a flat plate portion 202 and a connection portion 203 protruding in a vertical direction from an edge of the flat plate portion 202, and the through hole 201 is disposed in the connection portion 203, so that the workpiece 200 may be a mobile phone case, a mobile phone middle plate, or the like.

Referring to fig. 3, the carrier 10 is provided with a carrier portion 11 for accommodating the workpiece 200, and the connection portion 203 and the through hole 201 thereon are vertically disposed relative to the carrier portion 11. The positioning member 20 is disposed on the carrier 10 and adjacent to the carrier 11, and the positioning member 20 is used for positioning the workpiece 200 received in the carrier 11. The light path conversion element 30 is disposed on the peripheral side of the carrying portion 11, the light path conversion element 30 is disposed at an interval from the positioning member 20, the light path conversion element 30 is provided with a reflecting surface 31 inclined compared with the vertical direction, and the reflecting surface 31 is used for reflecting the light transmitted in the horizontal direction and reflected by the connecting portion 203 to the image measuring instrument to form an image of the through hole 201.

The above-mentioned auxiliary jig for detecting 100 can convert the propagation direction of the light reflected by the connection portion 203 by reflecting the light reflected by the connection portion 203 by the inclined reflection surface 31, so that the propagation direction of the light is converted from the horizontal direction to the vertical direction, and the image measuring apparatus disposed in the vertical direction receives the converted light to obtain the image of the through hole 201, so as to measure the hole position and size of the through hole 201 according to the image of the through hole 201, and further realize the measurement of the through hole 201 on the connection portion disposed vertically by the image measuring apparatus.

It will be appreciated that the carrier 10 may be any carrier plate, carrier block or similar carrier capable of carrying the workpiece 200, the positioning member 20 may be any positioning rod, positioning block or similar positioning body capable of positioning the workpiece 200, the light path conversion element 30 may be any reflecting part, reflecting block or similar reflector capable of reflecting light transmitted in a horizontal direction to a vertical direction, and the reflecting surface 31 may be any reflecting plane, reflecting arc surface or similar capable of reflecting light, such as a silver reflecting layer plated on a planar glass. The image measuring instrument may be selected from prior art image measuring instruments such as a three coordinate measuring machine CMM.

Referring to fig. 3, in some embodiments, the number of the optical path conversion elements 30 may be multiple groups, and the number of the optical path conversion elements 30 is consistent with the number of the through holes 201, so that the multiple groups of the optical path conversion elements 30 are in one-to-one correspondence with the multiple groups of the through holes 201, so that the image measuring instrument can completely measure the multiple groups of the through holes 201 through the multiple optical path conversion elements 30, and avoid that part of the through holes 201 are not measured, thereby realizing measurement on the multiple groups of the through holes 201 at the same time and further improving the measurement efficiency.

In some embodiments, the angle between the reflective surface 31 and the upper surface of the carrier 10 is 45 °.

In this way, by setting the angle between the reflecting surface 31 and the upper surface of the carrier 10 to be 45 °, the aspect ratio of the image of the through hole 201 obtained by the image measuring apparatus is consistent with the aspect ratio of the through hole 201 provided by the connecting portion 203, that is, the length value and the width value of the through hole 201 obtained by the image measuring apparatus are consistent with the length value and the width value of the through hole 201 provided by the connecting portion 203, and the aspect ratio conversion of the image of the through hole 201 obtained by the image measuring apparatus is not required, thereby improving the measuring efficiency.

Referring to fig. 4, in some embodiments, the optical path switching element 30 includes a first supporting portion 32, a second supporting portion 33, an optical path switching portion 34, and a pressing portion 35. The first supporting portion 32 is disposed on a peripheral side of the carrying portion 11 and spaced from the positioning member 20, and the second supporting portion 33 is disposed on a side of the first supporting portion 32 facing away from the carrying member 10 and connected to the first supporting portion 32. The light path conversion part 34 is disposed on the first support part 32 and abuts against the second support part 33, and the light path conversion part 34 is provided with a reflecting surface 31 inclined relative to the vertical direction. One end of the pressing portion 35 is connected to the second supporting portion 33, and the other end of the pressing portion 35 is used for pressing the optical path switching portion 34 to the first supporting portion 32.

Thus, by providing the first support portion 32 and the second support portion 33, the two portions can be matched to support the light path conversion portion 34, so that the light path conversion portion 34 is prevented from shaking during measurement operation, the light path conversion portion 34 always corresponds to the through hole 201, and measurement stability is improved. In addition, by providing the pressing portion 35, the optical path conversion portion 34 can be pressed against the first support portion 32, thereby fixing the optical path conversion portion 34 to the first support portion 32, so that the optical path conversion portion 34 stably corresponds to the through hole 201, and further measurement stability is improved.

In some embodiments, the optical path conversion element 30 further includes a stop portion 36, where the stop portion 36 is opposite to the second support portion 33 and disposed on the first support portion 32, and the stop portion 36 abuts against the optical path conversion portion 34 along a horizontal direction, and the stop portion 36 is used to stop the optical path conversion portion 34 along the horizontal direction.

In this way, by providing the stopper 36 to be in contact with the light path conversion portion 34 along the horizontal direction, the stopper 36 can stop the light path conversion portion 34 along the horizontal direction, so as to fix the light path conversion portion 34 to the second support portion 33 along the horizontal direction, further improving the operation stability of the light path conversion portion 34, and further improving the measurement stability of the auxiliary detection jig 100.

Referring to fig. 3, in some embodiments, the positioning member 20 includes a first positioning portion 21 and a second positioning portion 22. The first positioning portion 21 is disposed along the first direction and adjacent to the carrying portion 11, the first positioning portion 21 is configured to position the workpiece 200 along the first direction, the second positioning portion 22 is disposed along the second direction and adjacent to the carrying portion 11, and the second positioning portion 22 is configured to position the workpiece 200 along the second direction, and the first direction is perpendicular to the second direction. It will be appreciated that, in fig. 3, a cartesian three-dimensional coordinate system is established, the first direction is the X-axis direction shown in fig. 3, i.e. the positioning direction of the first positioning portion 21, and the second direction is the Y-axis direction shown in fig. 3, i.e. the positioning direction of the second positioning portion 22.

By providing the first positioning portion 21 and the second positioning portion 22 in this manner, the first positioning portion 21 and the second positioning portion 22 can be made to position the work 200 in the first direction and the second direction, respectively, and thus the work 200 can be positioned in the first direction and the second direction at the same time, so that the optical path conversion portion 34 can be made to correspond to the through hole 201, and the measurement accuracy can be improved.

In some embodiments, the inspection assisting jig 100 further includes a cover member 40, the cover member 40 is disposed opposite to the carrier member 10 and covers the workpiece 200 to the carrier member 10, and the cover member 40 is used to fix the workpiece 200 to the carrier member 10.

Thus, by providing the cover member 40, the workpiece 200 can be pressed against the carrier member 10 to fix the workpiece 200, so as to prevent the workpiece 200 from moving during the measurement process to affect the measurement effect, thereby improving the measurement stability.

In some embodiments, the inspection assisting jig 100 further includes a pressing assembly 50 movably penetrating the carrier 10 and the cover 40, wherein the pressing assembly 50 is used for pressing the cover 40 against the carrier 10 and pressing the workpiece 200 covered by the cover 40 against the carrier 10.

In this way, by arranging the pressing assembly 50, the cover member 40 can be pressed against the carrier 10, so that the pressing force applied by the cover member 40 to fix the workpiece 200 to the carrier 10 is increased, the cover member 40 presses the covered workpiece 200 against the carrier 10, and the cover member 40 stably fixes the workpiece 200, so that the measurement stability is further improved.

In some embodiments, the compression assembly 50 includes a connector 51 and a compression member 52. One end of the connecting piece 51 is connected with the external driving piece, the other end of the connecting piece 51 movably penetrates through the bearing piece 10 and the cover piece 40, and the connecting piece 51 is used for rotating under the driving of the external driving piece. The pressing piece 52 is connected with one end of the connecting piece 51 away from the bearing piece 10, the pressing piece 52 rotates relative to the cover piece 40 under the driving of the connecting piece 51, and the pressing piece 52 is used for propping the cover piece 40 onto the bearing piece 10. It will be appreciated that the external drive member may be a telescopic rotary cylinder.

In this way, through setting up connecting piece 51 and compressing tightly piece 52 to cooperate, can make the external driving piece drive connecting piece 51 drive compressing tightly piece 52 rotate and towards lid establish the piece 40 motion to make compressing tightly piece 52 compress tightly lid establish piece 40 to the carrier 10 steadily, prevent work piece 200 to take place to rock when measuring the operation, further improved measurement stability.

In some embodiments, the auxiliary inspection fixture 100 further includes a handle 60, where the handle 60 is disposed on a side of the cover 40 facing away from the carrier 10 and connected to the cover 40, and the handle 60 is used to drive the cover 40 to move.

Thus, by arranging the handle 60, the cover 40 can be conveniently held by an operator to be driven to move, and a manipulator or other complex transfer mechanism is not required to be used for driving the cover 40 to move, so that the structure of the detection auxiliary jig 100 is simplified, and the production cost and the maintenance cost are reduced.

In some embodiments, the cover 40 and the carrier 10 are both provided with light holes 41, and the light holes 41 are used for making the light emitted by the external light source irradiate to the image measuring instrument, so as to improve the image capturing environment of the image measuring instrument, make the image captured by the image measuring instrument clearer, and further improve the measuring accuracy.

The working process of the auxiliary detection tool 100 in the above embodiment is as follows:

first, the work 200 is placed on the carrying portion 11, and the first positioning portion 21 and the second positioning portion 22 position the work 200 accommodated in the carrying portion 11 in the first direction and the second direction, respectively, such that the connection portion 203 and the through hole 201 thereof on the work 200 are vertically disposed with respect to the carrying portion 11 and correspond to the inclined reflecting surface 31 of the optical path conversion element 30;

then, the image measuring instrument emits light to the reflecting surface 31 of the optical path conversion element 30 in the vertical direction, the reflecting surface 31 receives the light propagating in the vertical direction and reflects the light to the connecting portion 203 of the flat plate portion 202 in the vertical direction;

then, the connection part 203 receives the light and reflects the light to the reflection surface 31 along the horizontal direction, so that the reflection surface 31 reflects the light transmitted along the horizontal direction reflected by the connection part 203 to the image measuring instrument, and the propagation direction of the light is converted from the horizontal direction to the vertical direction;

finally, the image measuring instrument receives the converted light to acquire an image of the through hole 201, so that the image measuring instrument obtains the hole position and the size of the through hole 201 according to the image of the through hole 201 to detect and judge whether the hole position and the size of the through hole 201 meet the standards, and the image measuring instrument measures the through hole 201 arranged on the vertically arranged connecting part.

Finally, it should be noted that the above embodiments are merely for illustrating the technical solution of the present application and not for limiting, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application.

Claims (10)

1. The utility model provides a detect auxiliary jig for cooperate image measuring apparatu to detect the hole site and the size of through-hole on the work piece, the work piece has dull and stereotyped portion and perpendicular connection dull and stereotyped portion's connecting portion, the through-hole set up in connecting portion, its characterized in that includes:

the bearing piece is provided with a bearing part for accommodating the workpiece, and the connecting part is arranged in the vertical direction relative to the bearing part;

the positioning piece is arranged on the bearing piece and is adjacent to the bearing part, and the positioning piece is used for positioning the workpiece accommodated in the bearing part; a kind of electronic device with high-pressure air-conditioning system

The light path conversion element is arranged on the periphery of the bearing part and is arranged with the positioning piece at intervals, the light path conversion element is provided with a reflecting surface inclined relative to the vertical direction, and the reflecting surface is used for reflecting the light transmitted along the horizontal direction and reflected by the connecting part to the image measuring instrument so as to form the image of the through hole.

2. The auxiliary detection jig according to claim 1, wherein,

the included angle between the reflecting surface and the upper surface of the bearing piece is 45 degrees.

3. The inspection assist jig according to claim 1, wherein the optical path conversion element includes:

the first supporting part is arranged on the periphery of the bearing part and is arranged at intervals with the positioning piece, and the second supporting part is convexly arranged on one side, away from the bearing piece, of the first supporting part and is connected with the first supporting part;

the light path conversion part is arranged on the first supporting part and is abutted against the second supporting part, and the light path conversion part is provided with the reflecting surface; a kind of electronic device with high-pressure air-conditioning system

And one end of the pressing part is connected with the second supporting part, and the other end of the pressing part is used for pressing the light path conversion part to the first supporting part.

4. The inspection assist jig as set forth in claim 3, wherein the light path conversion element further includes:

and the stop part is opposite to the second support part and arranged on the first support part, and is abutted to the light path conversion part along the horizontal direction so as to stop the light path conversion part along the horizontal direction.

5. The inspection assist fixture as set forth in claim 1, wherein said positioning member comprises:

a first positioning portion disposed along a first direction and disposed adjacent to the carrying portion for positioning the workpiece along the first direction;

the second positioning part is arranged along a second direction and is adjacent to the bearing part and used for positioning the workpiece along the second direction, and the first direction is perpendicular to the second direction.

6. The inspection assist jig of claim 1, wherein the inspection assist jig further comprises:

and the cover piece is arranged opposite to the bearing piece and is used for covering the workpiece to the bearing piece and fixing the workpiece to the bearing piece.

7. The inspection assist jig of claim 6, wherein the inspection assist jig further comprises:

the pressing component is movably arranged on the bearing piece in a penetrating mode and the cover piece in a penetrating mode, and is used for propping against the cover piece to the bearing piece and enabling the workpiece covered by the cover piece to be pressed to the bearing piece.

8. The inspection assist fixture as set forth in claim 7, wherein said hold down assembly comprises:

one end of the connecting piece is connected with the external driving piece, the other end of the connecting piece movably penetrates through the bearing piece and the cover piece, and the connecting piece is used for rotating under the driving of the external driving piece;

the compressing piece is connected with one end, far away from the bearing piece, of the connecting piece, and the compressing piece rotates relative to the cover piece under the drive of the connecting piece and is used for propping against the cover piece to the bearing piece.

9. The inspection assist jig of claim 7, wherein the inspection assist jig further comprises:

the handle is arranged on one side of the cover part, which is away from the bearing part, and is connected with the cover part, so as to drive the cover part to move.

10. The auxiliary detecting tool as claimed in claim 7, wherein,

the cover is provided with a light hole and the bearing part is provided with a light hole, and the light hole is used for enabling light emitted by an external light source to be emitted to the image measuring instrument.