CN218380852U - Position calibration mechanism and chromatic aberration detection device - Google Patents
Position calibration mechanism and chromatic aberration detection device Download PDFInfo
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- CN218380852U CN218380852U CN202221757659.8U CN202221757659U CN218380852U CN 218380852 U CN218380852 U CN 218380852U CN 202221757659 U CN202221757659 U CN 202221757659U CN 218380852 U CN218380852 U CN 218380852U
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Abstract
The utility model provides a position calibration mechanism, include the base, hold carrier, adjusting part and determine module. The base is equipped with the through-hole, hold the carrier and locate the base and be used for bearing the work piece, adjusting part connection base and hold the carrier for drive hold the relative base motion of carrier, so that the position of waiting to detect of work piece is just to the through-hole, detecting component includes linear light source, linear light source locates the base and is different in one side that holds the carrier, detecting component is used for detecting whether the linear light that linear light source sent passes through the through-hole and just to waiting to detect the position of work piece. So, drive through adjusting part and hold the relative base motion of carrier, can be quick with the work piece wait to detect the position adjustment to corresponding with the through-hole, avoid having the deviation because of waiting to detect the position of work piece and through-hole on the propagation direction of linear light to the detection accuracy of work piece has been improved. The utility model also provides a colour difference detection device for detect the work piece wait the colour difference at detection position, including body and foretell position calibration mechanism.
Description
Technical Field
The utility model relates to a detect technical field, concretely relates to position calibration mechanism and colour difference detection device.
Background
When detecting a workpiece based on light, for example: the method comprises the steps of detecting a plastic body embedded on a workpiece by using a chromatic aberration detector, generally placing the workpiece on a bearing assembly to enable a part to be detected of the workpiece to correspond to a through hole in the bearing assembly, and then obtaining and analyzing an image of the part to be detected under light irradiation by using the detector through the through hole to obtain a detection result of the workpiece. However, when the width of the portion to be detected of the workpiece is small (for example, in millimeter level), the position of the portion to be detected and the position of the through hole are prone to be deviated when the workpiece is directly placed on the bearing component, so that the detection result is inaccurate.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a position calibration mechanism and a color difference detection apparatus to solve the technical problem of how to improve the detection accuracy of the workpiece.
An embodiment of the utility model provides a position aligning gear, include:
a base provided with a through hole;
the bearing piece is arranged on the base and used for bearing the workpiece;
the adjusting assembly is connected with the base and the bearing piece and is used for driving the bearing piece to move relative to the base so as to enable the part to be detected of the workpiece to be opposite to the through hole;
the detection assembly comprises a linear light source, the linear light source is arranged on one side of the base, which is different from the bearing piece, and the detection assembly is used for detecting whether linear light emitted by the linear light source passes through the through hole and is opposite to the part to be detected of the workpiece.
In some embodiments, the detection assembly further comprises:
the image taking device is used for obtaining images in the through hole;
and the display is coupled with the image taking device and used for displaying the image.
In some embodiments, the direction of motion of the carrier is perpendicular to the direction of propagation of the linear light, the adjustment assembly comprising:
one end of the transmission shaft is connected with the bearing piece;
a connecting member connecting the transmission shaft and the base;
the rotating part is connected with the other end of the transmission shaft and used for driving the transmission shaft to drive the bearing part to move relative to the base.
In some embodiments, the drive shaft has a connecting portion to which the connecting member is connected, the adjustment assembly further comprising:
the identification piece is arranged between the rotating piece and the connecting portion and used for displaying the movement distance of the bearing piece driven by the transmission shaft.
In some embodiments, the adjustment assembly further comprises:
a mounting member connecting the transmission shaft and the bearing member.
In some embodiments, the position calibration mechanism further comprises:
the stop piece is arranged on the bearing piece and used for stopping the workpiece so as to enable the part to be detected of the workpiece to face the through hole;
the clamping piece is detachably connected with the stop piece and used for clamping the workpiece to the stop piece.
In some embodiments, the clamp comprises:
the clamping body is arranged on the bearing piece;
the magnetic body is arranged on the clamping body and used for magnetically attracting the stop part, so that the workpiece is clamped between the clamping body and the stop part.
In some embodiments, the bearing member is provided with a limiting groove, and one end of the clamping body is provided with a clamping portion, and the clamping portion is clamped in the limiting groove.
In some embodiments, the workpiece comprises:
the frame body is arranged on the bearing piece;
and the plastic body is arranged on the frame body and is positioned at the part to be detected.
The embodiment of the utility model provides a colour difference detection device for detect the colour difference that waits to detect the position of work piece, include:
the above-described position calibration mechanism;
the body is connected to the base and used for obtaining the color difference of the part to be detected in the through hole, and the linear light source is arranged in the body.
When the position calibration mechanism calibrates a workpiece, the workpiece is firstly placed on the bearing piece, linear light emitted by the linear light source passes through the through hole, then the bearing piece is driven by the adjusting assembly to move relative to the base until the part to be detected of the workpiece on the bearing piece is opposite to the through hole in the propagation direction of the linear light, and finally, the image of the part to be detected under the linear light irradiation is obtained and analyzed through the through hole by the detecting assembly, so that the detection result of the workpiece is obtained. So, drive through adjusting part and hold the relative base motion of carrier, can be quick with the work piece wait to detect the position adjustment to corresponding with the through-hole, avoid having the deviation because of waiting to detect the position of work piece and through-hole on the propagation direction of linear light to the detection accuracy of work piece has been improved.
Furthermore, the utility model provides a position aligning gear is because can be accurate with the work piece wait the center of detecting the position and correspond with the through-hole, consequently does not receive the work piece wait the restriction of the width size of detecting the position, and the suitability is wider.
Drawings
Fig. 1 is a schematic structural diagram of a workpiece according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a position calibration mechanism according to an embodiment of the present invention.
FIG. 3 is a cross-sectional view of the workpiece and a portion of the position alignment mechanism of FIG. 2 with the workpiece secured to the position alignment mechanism.
Fig. 4 is an exploded view of the position calibration mechanism of fig. 3.
Fig. 5 is a schematic structural diagram of a color difference detecting device according to an embodiment of the present invention.
Description of the main elements
Through hole 21a
Limiting groove 22a
Adjusting assembly 23
Connecting part 2311
Connecting piece 232
Rotating member 233
Image capturing device 242
Clamping member 26
Clamping body 261
Retaining portion 2611
Color difference detection apparatus 100
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but 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. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The embodiment of the utility model provides a position calibration mechanism, include the base, hold carrier, adjusting part and determine module. The base is equipped with the through-hole, hold the thing and locate the base, and be used for bearing the work piece, adjusting part connection base and hold the thing for drive hold the relative base motion of thing, so that the work piece wait to detect the position just to the through-hole, the detection module includes linear light source, linear light source locates the base and is different from one side that holds the thing, the detection module is used for detecting whether the linear light that linear light source sent passes through the through-hole and just to waiting to detect the position of work piece.
When the position calibration mechanism calibrates a workpiece, the workpiece is firstly placed on the bearing piece, linear light emitted by the linear light source passes through the through hole, then the bearing piece is driven by the adjusting assembly to move relative to the base until the part to be detected of the workpiece on the bearing piece is opposite to the through hole in the propagation direction of the linear light, and finally, the image of the part to be detected under the linear light irradiation is obtained and analyzed through the through hole by the detecting assembly, so that the detection result of the workpiece is obtained. So, drive through adjusting part and hold the relative base motion of carrier, can be quick with the work piece wait to detect the position adjustment to corresponding with the through-hole, avoid having the deviation because of waiting to detect the position of work piece and through-hole on the propagation direction of linear light to the detection accuracy of work piece has been improved.
The embodiment of the utility model provides a colour difference detection device for detect the colour difference that waits to detect the position of work piece, including body and foretell position calibration mechanism. The body is equipped with the inspection hole, and the base is located on the body, and the through-hole of base just is to the inspection hole.
Hereinafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, in some embodiments, a workpiece 10 includes a frame 11 and a plastic body 12. The frame 11 is disposed on the bearing member 22, and the plastic body 12 is disposed on the frame 11 and located at the position to be detected, specifically, the plastic body 12 is embedded in the frame 11 to communicate the inside and the outside of the frame 11.
Referring to fig. 2 and 3 together, in some embodiments, the position calibration mechanism 20 includes a base 21, a carrier 22, an adjustment assembly 23, and a detection assembly 24. The base 21 is used for externally mounted detection instruments such as: the color difference analyzer comprises a base 21, a bearing piece 22, an adjusting component 23, a linear light source 241, a through hole 21a for transmitting light, a bearing piece 22, a through hole 21a for bearing the workpiece 10, a regulating component 23, a detecting component 24 and a detecting component, wherein the regulating component is connected with the base 21 and the bearing piece 22 and used for driving the bearing piece 22 to move relative to the base 21, so that a part to be detected of the workpiece 10 is opposite to the through hole 21a, the linear light source 241 is arranged on one side of the base 21, which is different from the bearing piece 22, and the detecting component 24 is used for detecting whether linear light emitted by the linear light source 241 passes through the through hole 21a and is opposite to the part to be detected of the workpiece 10. Illustratively, the linear light source 241 may be a laser.
Specifically, the linear light emitted by the linear light source 241 is directed towards the portion to be detected of the workpiece 10, preferably in a manner that the linear light is irradiated to the center of the portion to be detected through the center of the through hole 21a, so that the detection assembly 24 can rapidly obtain the image of the portion to be detected under the linear light irradiation from the center of the detection component.
When the position calibration mechanism 20 calibrates the workpiece 10, firstly, the workpiece 10 is placed on the bearing member 22, and the linear light emitted by the linear light source 241 passes through the through hole 21a, then the bearing member 22 is driven by the adjusting member 23 to move relative to the base 21 until the part to be detected of the workpiece 10 on the bearing member 22 faces the through hole 21a in the propagation direction of the linear light, and finally, the image of the part to be detected under the linear light irradiation is acquired and analyzed through the through hole 21a by the detecting member 24, so as to obtain the detection result of the workpiece 10. Like this, drive through adjusting part 23 and hold the relative base 21 motion of carrier 22, can be quick with the position adjustment of waiting to detect of work piece 10 to corresponding with through-hole 21a, avoid having the deviation because of the position of waiting to detect of work piece 10 and through-hole 21a on the propagation direction of linear light to the detection accuracy of work piece 10 has been improved.
In addition, the position calibration mechanism 20 can precisely correspond the center of the part to be detected of the workpiece to the through hole, so that the position calibration mechanism is not limited by the width of the part to be detected of the workpiece, and has wider applicability.
Referring to fig. 2, in some embodiments, the detecting assembly 24 further includes an image capturing device 242 and a display 243. The image capturing device 242 is configured to capture an image of the inside of the through hole 21a, the display 243 is coupled to the image capturing device 242 and configured to display the image, and the detecting assembly 24 may further include a processor configured to determine whether the linear light passes through the through hole 21a and faces the portion of the workpiece 10 to be detected based on the image. Illustratively, the image capture device 242 may be a camera, and the display 243 may be a liquid crystal display.
In some embodiments, it can also be determined whether the linear light passes through the through hole 21a and faces the portion to be detected of the workpiece 10 by manually viewing the image of the display screen.
Thus, the image is acquired and displayed by the image acquirer 242 and the display 243, and the operation is continuous and efficient. In some embodiments, the area of the through hole 21a projected on the workpiece 10 along the propagation direction of the linear light is larger than the area of the part to be detected projected on the base 21 in the propagation direction of the linear light, that is, the image obtained by the imager 242 includes the whole image of the part to be detected (plastic body 12) in the propagation direction of the linear light and the image of a part of the frame 11. In this way, the image obtained by the image capturing device 242 can show all the components to be detected, so that the detecting assembly 24 can accurately determine the position of the workpiece 10 relative to the through hole 21a according to all the images of the components to be detected, and further accurately adjust the position of the bearing 22 relative to the base 21.
Referring to fig. 3, in some embodiments, the moving direction of the supporting member 22 is perpendicular to the propagation direction of the linear light, and the adjusting assembly 23 includes a transmission shaft 231, a connecting member 232, and a rotating member 233. One end of the transmission shaft 231 is connected with the bearing part 22, the connecting part 232 is connected with the transmission shaft 231 and the base 21, the rotating part 233 is connected with the other end of the transmission shaft 231, and the rotating part 233 is used for driving the transmission shaft 231 to drive the bearing part 22 to move relative to the base 21.
In some embodiments, the rotating member 233 is screwed to the other end of the transmission shaft 231, so that the transmission shaft 231 is moved by the rotating member 233.
In some embodiments, the shaft 231 has a connection portion 2311, the connection member 232 is connected to the connection portion 2311, and the adjustment assembly 23 further includes an identification member (not shown). The identification member is disposed between the rotating member 233 and the connecting portion 2311 for displaying a moving distance of the bearing member 22 driven by the transmission shaft 231. For example, the marker may be a number marker with graduation marks, or a displacement sensor coupled to the transmission shaft 231.
Therefore, the identification part can record the data of the single workpiece 10 after the position adjustment is accurate, so that the subsequent quick adjustment of the workpieces 10 in the same batch is facilitated, and the efficiency of batch detection of the workpieces 10 is improved.
In some embodiments, the transmission shaft 231, the connecting member 232, the rotating member 233 and the indicator in the adjusting assembly 23 can also constitute the structure of a micrometer.
Referring to fig. 3, in some embodiments, adjustment assembly 23 further includes a mount 234. The mounting member 234 connects the transmission shaft 231 and the carrier 22. The mounting member 234 may be a flange, or a screw threaded through the transmission shaft 231 and screwed into the carrier 22. Thus, the mounting member 234 can be used for quickly mounting and separating the transmission shaft 231 and the bearing member 22, and the mounting and dismounting are convenient and efficient.
Referring to fig. 4, in some embodiments, the position calibration mechanism 20 further includes a stopper 25 and a clamping member 26. The stopper member 25 is provided on the carrier member 22 for stopping the workpiece 10 so that the portion to be detected of the workpiece 10 faces the through hole 21a, and the holding member 26 is detachably connected to the stopper member 25 for holding the workpiece 10 to the stopper member 25.
In this way, the clamping member 26 and the stop member 25 fix the workpiece 10 to the carrier 22 in a detachable connection manner, so as to facilitate the fixing and separation of the workpiece 10 from the carrier 22.
In some embodiments, the clip 26 includes a clip body 261 and a magnetic body 262. The clamping body 261 is disposed on the carrier 22, and the magnetic body 262 is disposed on a surface of the clamping body 261 and is used for magnetically attracting the stopper 25, so that the workpiece 10 is clamped between the clamping body 261 and the stopper 25. Illustratively, the magnetic body 262 may be a magnet, and the stopper 25 may be a member containing a metal component.
Thus, the clamping body 261 and the magnetic body 262 fix the workpiece 10 to the carrier 22 by magnetic attraction, so that the operation is simple and the fixing and separating efficiency of the workpiece 10 is high.
In some embodiments, the magnetic members 262 are provided in plurality, and the plurality of magnetic members 262 are spaced apart along the length direction of the clamping body 261, so as to increase the stability of the connection between the clamping body 261 and the stopper 25. In this embodiment, three magnetic bodies 262 are provided.
Referring to fig. 4, in some embodiments, a side of the carrier 22 away from the adjusting assembly 23 is provided with a limiting groove 22a, an end of the clamping body 261 is provided with a retaining portion 2611, and the retaining portion 2611 is retained in the limiting groove 22a to achieve a detachable connection between the clamping member 26 and the carrier 22, so that the workpiece 10 can be fixed on the carrier 22 quickly.
Referring to fig. 5, in some embodiments, the color difference detecting apparatus 100 includes a body 30 and the position calibration mechanism 20. The body 30 is connected to the base 21 and the body 30 is provided with a detection hole (not shown) facing the through hole 21a of the base 21, the body 30 is used for detecting the color difference of the part to be detected (i.e. plastic body) of the workpiece 10 located in the through hole 21a through the detection hole and displaying the result on the display 243.
In some embodiments, the body 30 is a box-shaped color difference analyzer, the linear light source 241 is connected to the body 30 and located inside the body 30, and the image capture device 242 is installed on and protrudes from the body 30. Thus, the position calibration mechanism 20 and the color difference detecting device 100 formed by the body 30 form an integral movable structure, which facilitates to change the position of the color difference detecting device 100.
In some embodiments, the base 21 may be a portion of the body 30, such as a sidewall of the body 30.
In some embodiments, the operation of the color difference detection apparatus 100:
first, the workpiece 10 is placed on the carrier 22 and abuts against the stopper 25, and the magnetic body 262 magnetically attracts the stopper 25, so that the workpiece 10 is fixed between the clamping body 261 and the stopper 25, and the part to be detected (plastic body 12) of the workpiece 10 faces the through hole 21a;
then, the rotating member 233 drives the transmission shaft 231 to drive the bearing member 22 to move in the vertical direction, so as to adjust the position of the part (plastic body 12) to be detected of the workpiece 10 on the bearing member 22 relative to the through hole 21a, at this time, the image capture device 242 and the display 243 respectively acquire and display images in the through hole 21a, and analyze the relative positions of the part to be detected of the workpiece 10 and the through hole 21a through a processor or a manual recognition mode until the part to be detected of the workpiece 10 and the through hole 21a reach the required relative positions, and record the position information on the identification member at this time;
finally, the main body 30 obtains a color difference of the portion to be detected of the workpiece 10 based on the image obtained by the image pickup 242, and displays the result of the color difference on the display 243.
When the position calibration mechanism provided by the present embodiment detects the workpieces 10 in batch, the first calibration operation of the workpieces 10 can be completed according to the above operation process, the position of the carrier 22 relative to the base 21 can be recorded through the position information on the identifier, and when the same workpiece is detected subsequently, the position calibration mechanism can be adjusted quickly according to the recorded position information.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A position calibration mechanism, comprising:
a base provided with a through hole;
the bearing piece is arranged on the base and used for bearing the workpiece;
the adjusting assembly is connected with the base and the bearing piece and is used for driving the bearing piece to move relative to the base so as to enable the part to be detected of the workpiece to be opposite to the through hole;
the detection assembly comprises a linear light source, the linear light source is arranged on one side of the base, which is different from the bearing piece, and the detection assembly is used for detecting whether linear light emitted by the linear light source passes through the through hole and is opposite to the part to be detected of the workpiece.
2. The position calibration mechanism of claim 1, wherein the detection assembly further comprises:
the image taking device is used for obtaining images in the through hole;
and the display is coupled with the image taking device and used for displaying the image.
3. The position calibration mechanism of claim 1, wherein the direction of movement of the carrier is perpendicular to the direction of propagation of the linear light, the adjustment assembly comprising:
one end of the transmission shaft is connected with the bearing piece;
a connecting member connecting the transmission shaft and the base;
the rotating part is connected with the other end of the transmission shaft and used for driving the transmission shaft to drive the bearing part to move relative to the base.
4. The position calibration mechanism of claim 3, wherein the drive shaft has a connecting portion to which the connector is connected, the adjustment assembly further comprising:
the identification piece is arranged between the rotating piece and the connecting portion and used for displaying the movement distance of the bearing piece driven by the transmission shaft.
5. The position calibration mechanism of claim 3, wherein the adjustment assembly further comprises:
a mounting member connecting the transmission shaft and the bearing member.
6. The position calibration mechanism of claim 1, further comprising:
the stop piece is arranged on the bearing piece and used for stopping the workpiece so as to enable the part to be detected of the workpiece to face the through hole;
the clamping piece is detachably connected with the stop piece and used for clamping the workpiece to the stop piece.
7. The position calibration mechanism of claim 6, wherein the clamp member comprises:
the clamping body is arranged on the bearing piece;
the magnetic body is arranged on the clamping body and used for magnetically attracting the stop part, so that the workpiece is clamped between the clamping body and the stop part.
8. The position calibration mechanism of claim 7,
the bearing piece is provided with a limiting groove;
one end of the clamping body is provided with a clamping part, and the clamping part is clamped in the limiting groove.
9. The position calibration mechanism of claim 1, wherein the workpiece comprises:
the frame body is arranged on the bearing piece;
and the plastic body is arranged on the frame body and is positioned at the part to be detected.
10. A color difference detection device for detecting a color difference of a portion to be detected of a workpiece, comprising:
the position calibration mechanism of any one of claims 1 to 9; and
the body is connected to the base and used for obtaining the color difference of the part to be detected in the through hole, and the linear light source is arranged in the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221757659.8U CN218380852U (en) | 2022-07-07 | 2022-07-07 | Position calibration mechanism and chromatic aberration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221757659.8U CN218380852U (en) | 2022-07-07 | 2022-07-07 | Position calibration mechanism and chromatic aberration detection device |
Publications (1)
| Publication Number | Publication Date |
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| CN218380852U true CN218380852U (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221757659.8U Active CN218380852U (en) | 2022-07-07 | 2022-07-07 | Position calibration mechanism and chromatic aberration detection device |
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| Country | Link |
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| CN (1) | CN218380852U (en) |
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