CN218481844U - Dispensing needle calibration device - Google Patents
Dispensing needle calibration device Download PDFInfo
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- CN218481844U CN218481844U CN202222559971.2U CN202222559971U CN218481844U CN 218481844 U CN218481844 U CN 218481844U CN 202222559971 U CN202222559971 U CN 202222559971U CN 218481844 U CN218481844 U CN 218481844U
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- reflector
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- dispensing needle
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Abstract
The utility model relates to the technical field of machine vision, and discloses a dispensing needle head calibration device, which comprises a mounting plate, an image acquisition device and a reflector group mounted on the mounting plate, wherein one side of the mounting plate is provided with a calibration area for calibrating a dispensing needle head; the reflector group comprises a first reflector, a second reflector and a third reflector which are all arranged on one side of the mounting plate; the first reflector is used for reflecting the light beam reflected by the calibration area along the first direction to the image acquisition device, the second reflector is used for reflecting the light beam reflected by the calibration area along the second direction, and the third reflector is used for reflecting the light beam reflected by the second reflector to the image acquisition device. The utility model discloses a syringe needle calibration device is glued to point adopts single camera, has reduced calibration equipment's cost.
Description
Technical Field
The utility model relates to a machine vision technical field especially relates to a syringe needle calibration device is glued to point.
Background
The calibration of the dispensing needle head is an important process in the precise dispensing industry, the position of the dispensing needle head needs to be precisely calibrated before each dispensing of the dispensing needle head, and the calibration precision of the dispensing needle head directly determines the subsequent processing precision.
The present dispensing needle calibration device collects images of a dispensing needle through a first camera arranged on the left side of the calibration area after the dispensing needle moves to the calibration area, collects images of the dispensing needle through a second camera arranged on one side of the bottom of the calibration area, can accurately detect the position of the current dispensing needle by combining the left image collected by the first camera and the bottom image collected by the second camera, and adjusts the position of the dispensing needle to realize calibration.
The prior art has the following technical defects that one camera needs to be arranged on the left side and one side of the bottom of the calibration area respectively, and two cameras are needed in the method, so that the equipment cost is increased, and the equipment volume is increased.
In view of this, a dispensing needle calibration device is needed to reduce the equipment cost to a certain extent.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a syringe needle calibration device is glued to point can reduce equipment cost to a certain extent.
To achieve the purpose, the utility model adopts the following technical proposal:
a kind of glue dispensing needle calibration device, including mounting panel, image acquisition device and reflector group mounted on said mounting panel, and one side of the said mounting panel has calibration areas used for calibrating the glue dispensing needle;
the reflector group comprises a first reflector, a second reflector and a third reflector which are all arranged on one side of the mounting plate; the first reflector is used for reflecting the light beam reflected by the calibration area along the first direction to the image acquisition device, the second reflector is used for reflecting the light beam reflected by the calibration area along the second direction, and the third reflector is used for reflecting the light beam reflected by the second reflector to the image acquisition device.
Optionally, the mirror surface of the first mirror, the mirror surface of the second mirror, and the mirror surface of the third mirror are parallel to each other;
the third mirror is disposed between the first mirror and the second mirror.
Optionally, a calibration reference column is disposed in the calibration area, the calibration reference column is fixedly connected to the mounting plate, and the calibration reference column is parallel to the mirror surface of the first reflector.
Optionally, the first direction is perpendicular to the second direction.
Optionally, the image acquisition device comprises a lens for transmitting light and a camera connected with the lens;
the first reflector is used for reflecting the light beam reflected by the calibration area along the first direction to the lens along a third direction, the third reflector is used for reflecting the light beam reflected by the second reflector to the lens along a fourth direction, and the third direction is parallel to the fourth direction.
Optionally, the image capturing device further includes an annular light supplement lamp installed at one end of the lens close to the first reflector.
Optionally, the first mirror, the second mirror and the third mirror are all triangular prisms;
the inclined plane of the triangular prism is a mirror surface.
Optionally, the first mirror, the second mirror and the third mirror are identical in shape.
Optionally, the dispensing needle calibration device further comprises a manipulator for adjusting the position of the dispensing needle and a control module electrically connected with the manipulator, and the control module is electrically connected with the image acquisition device.
Compared with the prior art, the utility model discloses following beneficial effect has:
in this implementation, first speculum is used for reflecting the light beam that the calibration area reflects along the first direction to image acquisition device, the second speculum is used for reflecting the light beam that the calibration area reflects along the second direction and the third speculum is used for reflecting the light beam that the second speculum reflects to image acquisition device, make some glue syringe needle reflect along the first direction the image that reflects and reflect along the second direction the image homoenergetic that reflects can be gathered by image acquisition device, this embodiment only need set up an image acquisition device can effectively detect the position of some glue syringe needle at the calibration area, in other words can save the cost of a camera, equipment cost has been reduced to a certain extent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
The structure, proportion, size and so on shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification for the understanding and reading of the people skilled in the art, and are not used to limit the limit conditions of the present invention, so that the present invention does not have the essential significance in the technology, and the modification of any structure, the change of the proportion relation or the adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention.
Fig. 1 is a schematic view of an installation structure of a dispensing needle calibration device according to an embodiment of the present invention;
fig. 2 is a schematic left view of a dispensing needle calibration device according to an embodiment of the present invention;
fig. 3 is a schematic top view of the dispensing needle calibration device provided by the embodiment of the present invention.
Illustration of the drawings: 1. mounting a plate; 2. a collection device; 21. a lens; 22. a camera; 23. an annular light supplement lamp; 3. a reflector group; 101. a calibration area; 4. and calibrating the reference column.
Detailed Description
To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described in the embodiments of the present invention with reference to the drawings, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The embodiment of the utility model provides a syringe needle calibration device is glued to point is through setting up the position of speculum group 3 ingeniously to make an image acquisition device 2 can gather the point and glue the syringe needle at the image of first direction and at the image of second direction, convenient follow-up point is glued the syringe needle and is markd.
Referring to fig. 1 to 3, the dispensing needle calibration device includes a mounting plate 1, an image collecting device 2, and a reflector set 3 mounted on the mounting plate 1, and a calibration area 101 for calibrating the dispensing needle 100 is disposed on one side of the mounting plate 1, and the dispensing needle 100 needs to extend into the calibration area when it needs to be calibrated.
The mirror group 3 includes a first mirror 31, a second mirror 32, and a third mirror 33, all mounted on one side of the mounting plate 1.
During calibration, the first reflector 31 is used for reflecting the light beam reflected by the calibration area 101 along the first direction to the image capturing device 2, the second reflector 32 is used for reflecting the light beam reflected by the calibration area 101 along the second direction, and the third reflector 33 is used for reflecting the light beam reflected by the second reflector 32 to the image capturing device 2.
Specifically, the image acquisition device 2 is configured to acquire images of the calibration area 101 in the first direction and the second direction at the same time, so that the dispensing device can accurately determine the position of the dispensing needle currently in the calibration area according to the image transmitted from the first direction and the image transmitted from the second direction, and calibrate the dispensing needle.
Compared with the dispensing needle calibration device provided with two cameras in the prior art, the dispensing needle calibration device provided with the two cameras can save the installation and purchase cost of one camera, thereby effectively saving the total cost of equipment, the maintenance cost and the like.
Alternatively, the mirror surface of the first mirror 31, the mirror surface of the second mirror 32, and the mirror surface of the third mirror 33 are parallel to each other; the third reflecting mirror 33 is disposed between the first reflecting mirror 31 and the second reflecting mirror 32.
As shown in fig. 1, it should be added that the light beam reflected horizontally leftward from the calibration area 101 is reflected by the first reflector 31 and then collected by the image collecting device 2, and the light beam vertically downward from the calibration area 101 is reflected by the second reflector 32 and the third reflector 33 sequentially and then collected by the image collecting device 2. I.e. the first direction is perpendicular to the second direction.
It should be further added that the image collecting device 2 collects images related to the dispensing needle head in two directions, and transmits the image information to the control module of the dispensing device, and the control module accurately knows the position of the current dispensing needle head according to the image information, can judge whether the dispensing needle head is inclined, and adjusts the dispensing needle head according to actual conditions, thereby realizing the judgment of the dispensing needle head.
Optionally, a calibration reference column 4 is disposed in the calibration area 101, the calibration reference column 4 is fixedly connected to the mounting plate 1, and the calibration reference column 4 is parallel to the mirror surface of the first reflecting mirror 31. The calibration reference column 4 is arranged, so that the position relation between the dispensing needle head and the calibration reference column 4 can be reflected in the image collected by the image collecting device 2, the control module can judge the position of the dispensing needle head more accurately based on the calibration reference column 4, and the calibration precision of the dispensing needle head is improved.
Optionally, the image capturing device 2 comprises a lens 21 for transmitting light and a camera 22 connected to the lens 21; the first reflector 31 is used for reflecting the light beam reflected by the calibration area 101 along the first direction to the lens 21 along the third direction, the third reflector 33 is used for reflecting the light beam reflected by the second reflector 32 to the lens 21 along the fourth direction, and the third direction is parallel to the fourth direction.
In the present embodiment, the third direction and the fourth direction are incident in parallel into the lens 21, thereby being captured by the camera 22 and forming an image.
Optionally, the image capturing device 2 further includes an annular light supplement lamp 23 installed at one end of the lens 21 close to the first reflector 31. Specifically, an annular light supplement lamp 23 is provided to supplement light for the camera 22 during shooting, so as to improve the definition of images.
Optionally, the first mirror 31, the second mirror 32 and the third mirror 33 are all triangular prisms; the inclined plane of the triangular prism is a mirror surface.
It should be noted that, as can be seen from fig. 2, light reflected by the transverse plane and the vertical plane of the triangular prism does not enter the image acquisition device 2, and the calibration accuracy of the dispensing needle head is not affected.
Alternatively, the first reflecting mirror 31, the second reflecting mirror 32 and the third reflecting mirror 33 have the same shape, which effectively prevents the triangular prism from being mounted at a wrong position.
Optionally, the dispensing needle calibration device further includes a manipulator for adjusting the position of the dispensing needle 100 and a control module electrically connected to the manipulator, and the control module is electrically connected to the image acquisition device 2.
Specifically, the control module is used for determining the position of the dispensing needle head in the calibration area according to the image shot by the image acquisition device 2, and controlling the manipulator to adjust the position of the dispensing needle head so as to improve the subsequent dispensing precision.
It should be further added that the control module determines the position of the dispensing needle based on the image as the prior art, and therefore the principle is not described again.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A dispensing needle calibration device is characterized by comprising a mounting plate (1), an image acquisition device (2) and a reflector group (3) mounted on the mounting plate (1), wherein a calibration area (101) for calibrating a dispensing needle (100) is arranged on one side of the mounting plate (1);
the reflector group (3) comprises a first reflector (31), a second reflector (32) and a third reflector (33) which are all arranged on one side of the mounting plate (1); the first reflector (31) is used for reflecting the light beam reflected by the calibration area (101) along a first direction to the image acquisition device (2), the second reflector (32) is used for reflecting the light beam reflected by the calibration area (101) along a second direction, and the third reflector (33) is used for reflecting the light beam reflected by the second reflector (32) to the image acquisition device (2).
2. The dispensing needle calibration device according to claim 1, wherein the mirror surface of the first reflector (31), the mirror surface of the second reflector (32) and the mirror surface of the third reflector (33) are parallel to each other;
the third mirror (33) is disposed between the first mirror (31) and the second mirror (32).
3. The dispensing needle calibration device according to claim 2, wherein a calibration reference column (4) is disposed in the calibration area (101), the calibration reference column (4) is fixedly connected to the mounting plate (1), and the calibration reference column (4) is parallel to the mirror surface of the first reflector (31).
4. The dispensing needle calibration device of claim 1, wherein the first direction is perpendicular to the second direction.
5. A dispensing needle calibration device according to claim 1, wherein the image acquisition device (2) comprises a lens (21) for transmitting light and a camera (22) connected to the lens (21);
the first reflector (31) is used for reflecting the light beam reflected by the calibration area (101) along the first direction to the lens (21) along a third direction, the third reflector (33) is used for reflecting the light beam reflected by the second reflector (32) along the fourth direction to the lens (21), and the third direction is parallel to the fourth direction.
6. A dispensing needle calibration device according to claim 5, wherein the image acquisition device (2) further comprises an annular light supplement lamp (23) mounted at one end of the lens (21) close to the first reflector (31).
7. The dispensing needle calibration device according to claim 1, wherein the first reflector (31), the second reflector (32) and the third reflector (33) are triangular prisms; the inclined plane of the triangular prism is a mirror surface.
8. The dispensing needle calibration device according to claim 1, wherein the first reflector (31), the second reflector (32) and the third reflector (33) have the same shape.
9. The dispensing needle calibration device according to claim 1, further comprising a manipulator for adjusting the position of the dispensing needle (100) and a control module electrically connected to the manipulator, wherein the control module is electrically connected to the image acquisition device (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222559971.2U CN218481844U (en) | 2022-09-27 | 2022-09-27 | Dispensing needle calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222559971.2U CN218481844U (en) | 2022-09-27 | 2022-09-27 | Dispensing needle calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218481844U true CN218481844U (en) | 2023-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222559971.2U Active CN218481844U (en) | 2022-09-27 | 2022-09-27 | Dispensing needle calibration device |
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| Country | Link |
|---|---|
| CN (1) | CN218481844U (en) |
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2022
- 2022-09-27 CN CN202222559971.2U patent/CN218481844U/en active Active
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