CN211989435U - Vision needle correcting device - Google Patents
Vision needle correcting device Download PDFInfo
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- CN211989435U CN211989435U CN201922121658.9U CN201922121658U CN211989435U CN 211989435 U CN211989435 U CN 211989435U CN 201922121658 U CN201922121658 U CN 201922121658U CN 211989435 U CN211989435 U CN 211989435U
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Abstract
The utility model discloses a vision school needle device, including light source, camera and reflection of light subassembly, reflection of light subassembly includes prism, first speculum and second mirror, and the prism has first plane of reflection and second plane of reflection about an axis symmetry, and first speculum and second mirror are located the both sides of prism respectively and about the axis symmetry, and wherein, light source, reflection of light subassembly and camera set gradually along the axis, have between light source and the reflection of light subassembly to be used for supplying the point to glue the needle space that moves that the syringe needle removed. According to the utility model discloses the vision school needle device that provides can be used for the point to glue the syringe needle and carry out the vision calibration, and the vision calibration has calibration speed fast, and effect such as precision height has overcome that conventional optic fibre structure has the syringe needle correction time overlength to the mode of needle box or photoelectric sensing, rectifies the problem that the precision can't satisfy the technology demand.
Description
Technical Field
The utility model relates to a control technical field is glued to the point, especially relates to a vision school needle device.
Background
The glue dispenser is mainly used for precisely dispensing, injecting, coating and dripping glue, paint and other liquid to each precise position of a product in a product process. In the use of the dispensing machine, it is usually necessary to calibrate the position of the dispensing needle in some cases, for example, when the dispensing needle is replaced, or when the dispensing needle has a deformation problem, calibration of the needle position is necessary.
In the related art, the dispensing equipment uses the optical fiber structure to correct the dispensing needle head in a needle box or other photoelectric induction-like modes, however, for equipment with high precision requirement, the conventional optical fiber structure has the problem that the needle head correction time is too long in the needle box or photoelectric induction-like mode, and the correction precision cannot meet the process requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving one of the technical problems in the related art at least to a certain extent. Therefore, the utility model aims to provide a vision school needle device.
In order to realize above-mentioned purpose, according to utility model embodiment's vision school needle device for the point gum syringe needle carries out position calibration, include:
a light source;
a camera;
the reflecting assembly comprises a prism, a first reflecting mirror and a second reflecting mirror, wherein the prism is provided with a first reflecting surface and a second reflecting surface which are symmetrical about an axis, and the first reflecting mirror and the second reflecting mirror are respectively positioned on two sides of the prism and are symmetrical about the axis;
when the light source emits a light beam, a part of light in the light beam irradiates the first reflector through the dispensing needle head, is reflected to the first reflecting surface through the first reflector for the first time, and is reflected to the camera through the first reflecting surface for the second time so as to form a first image on the camera;
two parts of light rays in the light beam irradiate the second reflecting mirror after passing through the dispensing needle head, are reflected to the second reflecting surface once through the second reflecting mirror and are reflected to the camera again through the second reflecting surface to form a second image on the camera;
the light source, the reflecting component and the camera are sequentially arranged along the axis, and a needle moving space for the dispensing needle head to move is formed between the light source and the reflecting component.
According to the utility model discloses the vision school needle device that provides can be used for the point to glue the syringe needle and carry out the vision calibration, and the vision calibration has calibration speed fast, and effect such as precision height has overcome that conventional optic fibre structure has the syringe needle correction time overlength to the mode of needle box or photoelectric sensing, rectifies the problem that the precision can't satisfy the technology demand.
According to an embodiment of the utility model, the light source is two, two the light source about axis symmetry, two the light-emitting direction orientation of one among the light source first speculum, two the light-emitting direction orientation of another among the light source the second speculum.
According to an embodiment of the present invention, the light source device further includes a first light barrier and a second light barrier, the first light barrier is disposed between the first reflector and one of the two light sources for blocking light of the one of the two light sources from being emitted to the first reflector, and the one of the two light sources and the first reflector are located on the same side;
the second light blocking plate is arranged between the second reflector and the other of the two light sources and used for blocking light of the other of the two light sources from irradiating the second reflector, and the other of the two light sources and the second reflector are positioned on the same side.
According to an embodiment of the utility model, still include the box body, light source, camera and reflection of light subassembly are installed in the box body, the top surface of box body is equipped with the confession the point is glued the syringe needle and is inserted to move the opening in needle space.
According to an embodiment of the utility model, two the optical axis of one in the light source with the axis is 30 degrees ~ 50 degrees, first speculum with the axis is 15 degrees to 45 degrees, first plane of reflection with the axis is 30 degrees to 50 degrees.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
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 following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of a vision needle calibration device according to an embodiment of the present invention;
FIG. 2 is a perspective view of a vision alignment device according to an embodiment of the present invention;
reference numerals:
a light source 10;
a camera 20;
a light reflecting member 30;
a prism 301;
the first reflecting surface S31;
the second reflecting surface S32;
a first mirror 302;
a second mirror 303;
a needle moving space P10;
a case 40;
an opening 401;
a first light barrier 50;
and a second light blocking plate 51.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
Reference will now be made in detail to embodiments of the 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 drawings are exemplary and intended to be used for explaining the invention, but should not be construed as limiting the invention, and all other embodiments that can be obtained by one skilled in the art without creative efforts based on the embodiments in the invention belong to the protection scope of the 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", "axial", "circumferential", "radial", and the like indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying 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 thus, 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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, detachable connections, 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 meaning of the above terms in the utility model can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly but via another feature. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The vision pin aligning device according to the embodiment of the present invention is described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 2, a vision needle calibration device for calibrating a position of a dispensing needle according to an embodiment of the present invention includes a light source 10, a camera 20, and a reflector assembly 30.
Specifically, the light source 10, the reflective assembly 30 and the camera 20 are sequentially disposed along the axis, and a needle moving space P10 for the dispensing needle to move is formed between the light source 10 and the reflective assembly 30. That is, in a specific application, the dispensing needle can be moved into the needle moving space P10. The light source 10 is used for emitting a light beam and irradiating the dispensing needle, the light beam is emitted to the reflective assembly 30 after passing through the dispensing needle, and then is reflected to the lens of the camera 20 by the reflective assembly 30, the camera 20 can generally adopt an industrial vision camera 20, and the light beam can form a needle image on the camera 20 after being reflected to the camera 20.
The light reflecting member 30 includes a prism 301 having a first reflecting surface S31 and a second reflecting surface S32 that are symmetrical about an axis, a first reflecting mirror 302 and a second reflecting mirror 303, the first reflecting mirror 302 and the second reflecting mirror 303 being respectively located at both sides of the prism 301 and being symmetrical about the axis.
When the light source 10 emits a light beam, a portion of the light beam passes through the dispensing needle and then irradiates the first reflector 302, and is reflected to the first reflection surface S31 by the first reflector 302, and is reflected to the camera 20 by the first reflection surface S31 for a second time, so as to form a first image on the camera 20.
Two parts of the light beams are irradiated to the second reflecting mirror 303 through the dispensing needle, and are reflected to the second reflecting surface S32 by the second reflecting mirror 303 once, and are reflected to the camera 20 by the second reflecting surface S32 twice, so as to form a second image on the camera 20.
That is, the prism 301 is located on the axis, the first reflecting surface S31 and the second reflecting surface S32 on the prism 301 are symmetrically arranged and formed in a triangular shape, the first reflecting mirror 302 and the second reflecting mirror 303 are respectively located on both sides of the axis and symmetrically arranged, and the first reflecting mirror 302 is located outside the first reflecting surface S31 and the second reflecting mirror 303 is located outside the second reflecting surface S32. In a specific use process, the dispensing needle is moved into the needle moving space P10 between the light source 10 and the light emitting device, and a part of light beams emitted from the light source 10 irradiates the first reflector 302 after passing through the dispensing needle, and is reflected to the first reflecting surface S31 by the first reflector 302, and is reflected to the camera 20 by the first reflecting surface S31 for a second time, so as to form a first image on the camera 20. The other part of the light is irradiated to the second reflecting mirror 303 after passing through the dispensing needle, and is reflected to the second reflecting surface S32 by the second reflecting mirror 303 once, and is reflected to the camera 20 by the second reflecting surface S32 twice, so as to form a second image on the camera 20. The first and second images are images formed by the dispensing needle on the camera 20, and since there is a correlation between the first and second images and the position of the dispensing needle, the calibration of the dispensing needle can be performed by using the first and second images.
According to the utility model discloses the vision school needle device that provides can be used for the point to glue the syringe needle and carry out the vision calibration, and the vision calibration has calibration speed fast, and effect such as precision height has overcome that conventional optic fibre structure has the syringe needle correction time overlength to the mode of needle box or photoelectric sensing, rectifies the problem that the precision can't satisfy the technology demand.
In some embodiments of the present invention, there are two light sources 10, two light sources 10 are symmetric about the axis, two light emitting directions of one of the light sources 10 face the first reflector 302, and two light emitting directions of the other of the light sources 10 face the second reflector 303.
That is, the two light sources 10 are also symmetrically arranged, and the two light sources 10 are in one-to-one correspondence with the first reflector 302 and the second reflector 303, the light emitting direction of one light source 10 is toward the first reflector 302 on the opposite side, and the other light source 10 is toward the second reflector 303 which is symmetrical. When the dispensing needle moves into the needle moving space P10, a light beam from a light source 10 passes through the dispensing needle and then irradiates the first reflector 302, and is reflected by the first reflector 302 to the first reflective surface S31, and then reflected by the first reflective surface S31 to the camera 20 for the second time, thereby forming a first image. The light from the other light source 10 passes through the dispensing needle and then irradiates the second reflector 303, and is reflected by the second reflector 303 to the second reflective surface S32 for a second time, and is reflected by the second reflective surface S32 to the camera 20 for a second time, thereby forming a second image.
Therefore, in the embodiment, the two light sources 10 are respectively opposite to the first reflector 302 and the second reflector 303, so that the first image and the second image formed on the camera 20 are clearer, the imaging effect is improved, and finally, the calibration result can be ensured to be more accurate.
In an embodiment of the present invention, the light-shielding structure further comprises a first light-shielding plate 50 and a second light-shielding plate 51, the first light-shielding plate 50 is disposed between the first reflector 302 and two of the light sources 10, and is used for blocking the light of the one of the light sources 10 from being emitted to the first reflector 302, two of the light sources 10 and the first reflector 302 are located on the same side.
The second light blocking plate 51 is disposed between the second reflector 303 and the other of the two light sources 10, and is used for blocking the light of the other of the two light sources 10 from being emitted to the second reflector 303, and the other of the two light sources 10 is located on the same side as the second reflector 303.
That is, the first light blocking plate 50 is located between the first reflector 302 and one of the light sources 10 on the same side and blocks light from the light source 10 from being directed to the first reflector 302, and the second light blocking plate 51 is located between the second reflector 303 and the other light source 10 on the same side and blocks light from the light source 10 from being directed to the second reflector 303.
Since the first image formed on the camera 20 is not clear when the light from the light source 10 on the same side is directed to the first reflector 302, and similarly, the second image formed on the camera 20 is not clear when the light from the light source 10 on the same side is directed to the second reflector 303, in this embodiment, the first and second blocking plates are used to block the light from the light source 10 on the same side from being directed to the first reflector 302 or the second reflector 303, respectively, so that the definition of the first image and the second image formed on the camera 20 can be improved, and further, the calibration result is ensured to be more accurate.
In an embodiment of the utility model, still include box body 40, light source 10, camera 20 and reflection of light subassembly 30 are installed in box body 40, the top surface of box body 40 is equipped with the confession the point is glued the syringe needle and is inserted to move needle space P10's opening 401, so, it is fixed to ensure light source 10, camera 20 and reflection of light subassembly 30 relative position relation to, and this vision school needle device forms a whole, and easy to assemble to the point is glued on the equipment, conveniently carries out the school needle.
Advantageously, the optical axis of one of the two light sources 10 is 30 to 50 degrees from the axis, the first reflector 302 is 15 to 45 degrees from the axis, and the first reflecting surface S31 is 30 to 50 degrees from the axis.
In the description of the present specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above only is the preferred embodiment of utility model to not therefore limit utility model's patent scope, all under utility model's the utility model conception, utilize the equivalent structure transform of what utility model specification and attached contents were done, or direct/indirect application all includes in utility model's patent protection within range in other relevant technical field.
Claims (5)
1. A vision needle calibration device is used for calibrating the position of a dispensing needle head, and is characterized by comprising:
a light source;
a camera;
the reflecting assembly comprises a prism, a first reflecting mirror and a second reflecting mirror, wherein the prism is provided with a first reflecting surface and a second reflecting surface which are symmetrical about an axis, and the first reflecting mirror and the second reflecting mirror are respectively positioned on two sides of the prism and are symmetrical about the axis;
when the light source emits a light beam, a part of light in the light beam irradiates the first reflector through the dispensing needle head, is reflected to the first reflecting surface through the first reflector for the first time, and is reflected to the camera through the first reflecting surface for the second time so as to form a first image on the camera;
two parts of light rays in the light beam irradiate the second reflecting mirror after passing through the dispensing needle head, are reflected to the second reflecting surface once through the second reflecting mirror and are reflected to the camera again through the second reflecting surface to form a second image on the camera;
the light source, the reflecting component and the camera are sequentially arranged along the axis, and a needle moving space for the dispensing needle head to move is formed between the light source and the reflecting component.
2. The visual pin aligning device of claim 1, wherein the number of the light sources is two, the two light sources are symmetrical about the axis, the light emitting direction of one of the two light sources faces the first reflector, and the light emitting direction of the other of the two light sources faces the second reflector.
3. The vision pin aligning device of claim 2, further comprising a first light barrier and a second light barrier, the first light barrier being disposed between the first reflector and one of the two light sources for blocking light from the one of the two light sources from being directed toward the first reflector, the one of the two light sources being on the same side as the first reflector;
the second light blocking plate is arranged between the second reflector and the other of the two light sources and used for blocking light of the other of the two light sources from irradiating the second reflector, and the other of the two light sources and the second reflector are positioned on the same side.
4. The visual pin aligning device of claim 1, further comprising a box, wherein the light source, the camera and the light reflecting component are installed in the box, and an opening for inserting the dispensing pin head into the pin moving space is formed in the top surface of the box.
5. The vision needle-aligning device of claim 1, wherein an optical axis of one of the two light sources is at an angle of 30 to 50 degrees with respect to the axis, the first reflector is at an angle of 15 to 45 degrees with respect to the axis, and the first reflective surface is at an angle of 30 to 50 degrees with respect to the axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922121658.9U CN211989435U (en) | 2019-11-28 | 2019-11-28 | Vision needle correcting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922121658.9U CN211989435U (en) | 2019-11-28 | 2019-11-28 | Vision needle correcting device |
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| CN211989435U true CN211989435U (en) | 2020-11-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976204A (en) * | 2019-11-28 | 2020-04-10 | 深圳市世宗自动化设备有限公司 | Vision needle correction device and method |
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- 2019-11-28 CN CN201922121658.9U patent/CN211989435U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976204A (en) * | 2019-11-28 | 2020-04-10 | 深圳市世宗自动化设备有限公司 | Vision needle correction device and method |
| CN110976204B (en) * | 2019-11-28 | 2024-05-28 | 深圳市世宗自动化设备有限公司 | Visual needle calibrating device and method |
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