CN209783533U - Deviation value measuring device for needle head of dispenser - Google Patents
Deviation value measuring device for needle head of dispenser Download PDFInfo
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- CN209783533U CN209783533U CN201920105408.3U CN201920105408U CN209783533U CN 209783533 U CN209783533 U CN 209783533U CN 201920105408 U CN201920105408 U CN 201920105408U CN 209783533 U CN209783533 U CN 209783533U
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Abstract
The utility model discloses a deviation value measuring device for point gum machine syringe needle, include: a control module; the first shooting unit is used for shooting the image information of the needle head of the dispenser in the horizontal direction to be first image information; the second shooting unit is used for shooting the image information of the needle head of the dispenser in the vertical direction into second image information; and the image recognition and judgment module is used for recognizing the first image information and the second image information so as to determine the positions of the needle head of the glue dispenser in the horizontal direction and the vertical direction and judge the deviation value of the position of the needle head of the glue dispenser in the horizontal direction and the horizontal reference position and the deviation value of the position of the needle head of the glue dispenser in the vertical direction and the vertical reference position. By the mode, the measurement precision can be improved, and the measurement error is reduced.
Description
Technical Field
The utility model relates to a glue dispensing equipment field especially relates to a deviation value measuring device for point gum machine syringe needle.
background
Generally, the syringe needle is glued to point takes place to warp and displacement easily in gluing and clear in-process, there is the position deviation and can't realize accurate point when leading to gluing once more, consequently need to glue the point before the point and glue the syringe needle and rectify, in a current correction method, adopt single camera to shoot from a fixed side direction and glue the syringe needle, according to the real image and the virtual image of shooting the real image and the virtual image and the real image and the virtual image contrastive analysis of normal point syringe needle of gluing that obtain, confirm the bias value of syringe needle is glued for normal point to each point, it drives the syringe needle of gluing to control actuating mechanism again and carries out the position compensation and rectifies. The existing correction method needs to shoot at least two groups of dispensing needle heads in sequence, and has low correction processing efficiency; and only a single camera is adopted for shooting in a fixed side direction, so that large errors are easy to occur, and the correction precision is influenced.
In addition, a technical scheme is provided in the patent application of the dispensing machine with application number 201811162936.9, the needle head correction device and the correction method thereof, a first shooting unit and a second shooting unit are arranged to respectively obtain a lateral image of the dispensing needle head and an end face image of one end of the needle head, and a data processing unit compares the lateral image and the end face image obtained by shooting with a pre-stored standard lateral image and standard end face image, so that a deviation value is obtained and a displacement compensation instruction is correspondingly generated to enable a driving mechanism to drive the dispensing needle head to carry out displacement compensation correction, and the dispensing needle head can be efficiently and accurately corrected. However, the second shooting unit and the first shooting unit of the device are arranged on the same side, and the optical device is arranged for enabling the image light of the dispensing needle head to be turned to be emitted into the second shooting unit.
Disclosure of Invention
the utility model discloses the main technical problem who solves provides an offset measurement device for point gum machine syringe needle, can solve the great, not high problem of correction precision of offset measurement device error of traditional point gum machine syringe needle.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a deviation value measuring device for point gum machine syringe needle includes: a control module; the first shooting unit is used for shooting image information of a needle head of the dispenser in the horizontal direction to be first image information; the second shooting unit is used for shooting the image information of the needle head of the dispenser in the vertical direction to be second image information; the image recognition and judgment module is used for recognizing the first image information and the second image information so as to determine the positions of the needle head of the dispenser in the horizontal direction and the vertical direction and judge the deviation value of the position of the needle head of the dispenser in the horizontal direction and the horizontal reference position and the deviation value of the position of the needle head of the dispenser in the vertical direction and the vertical reference position; the control module is electrically connected with the first shooting unit, the second shooting unit and the image identification and judgment module.
Wherein, still include: the first shooting unit and the second shooting unit are respectively arranged on the support frame.
Wherein, the support frame still includes: the top plate is provided with a first sliding groove and a second sliding groove in a constructed mode, and a first notch is defined in the top plate; a base defining a second notch thereon; the base is connected with the top plate through a plurality of support columns.
The first shooting unit comprises a Z-axis camera, a Z-axis light source, a Z-axis camera sliding seat and a Z-axis light source sliding seat, the Z-axis camera is arranged on the Z-axis camera sliding seat, the Z-axis light source is arranged on the Z-axis light source sliding seat, the Z-axis camera is in sliding connection with the first sliding groove through the Z-axis camera sliding seat, and the Z-axis light source is in sliding connection with the second sliding groove through the Z-axis light source sliding seat; the second shooting unit comprises an XY-axis camera, an XY-axis light source and a setting frame, the XY-axis camera and the XY-axis light source are arranged on the setting frame, one side of the setting frame is connected with the top plate and/or the base, and the first shooting unit is limited and arranged in the first notch and the second notch.
Wherein the XY-axis light source includes a housing configured in a hollow cylindrical shape.
The XY axis light source further comprises a plurality of LED light sources, the LEDs are arranged on the inner wall of the shell in a surrounding mode, and black light absorption paint is coated on the inner wall of the shell.
The shell is further provided with a shading part, and the shading part is arranged on the inner wall of the shell in a surrounding mode and used for shading downward light rays generated by the LED light sources.
the second shooting unit further comprises an amplifying part, the amplifying part comprises an amplifying part shell and a magnifying glass, the magnifying glass is embedded in the amplifying part shell, one side of the amplifying part is connected with one side of the setting frame, and the amplifying part is arranged right above the XY-axis light source.
wherein, still include: the communication module is used for sending the deviation value of the position of the glue dispenser needle head in the horizontal direction and the horizontal reference position and the deviation value of the position of the glue dispenser needle head in the vertical direction and the vertical reference position to the counter-blade instrument, and the communication module is electrically connected with the control module.
The deviation value measuring device for the needle head of the dispensing machine in the scheme can shoot image information of the needle head of the dispensing machine from the horizontal direction through the first shooting unit to serve as first image information; performing image recognition on the first image information through an image recognition module to obtain the position of the needle head of the dispenser in the horizontal direction, and judging the deviation value of the position of the needle head of the dispenser in the horizontal direction and the horizontal reference position; shooting image information of a needle head of the dispenser from the vertical direction through a second shooting unit to serve as second image information; the image recognition module is used for recognizing the image of the second image information to obtain the position of the needle head of the dispensing machine in the vertical direction, and the deviation value of the position of the needle head of the dispensing machine in the vertical direction and the vertical reference position is judged, so that the deviation value of the current position of the needle head and the reference position after the needle head of the dispensing machine is replaced can be accurately measured, and the dispensing precision of the dispensing machine is improved.
Drawings
In order to illustrate the solution of the present invention more clearly, the drawings needed for describing the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a deviation measuring device for a needle of a dispenser according to the present invention;
FIG. 2 is a schematic structural diagram of an offset value measuring device for a needle of the dispenser in the embodiment of FIG. 1;
FIG. 3 is a schematic diagram of a second light source in the embodiment of FIG. 1;
FIG. 4 is a schematic diagram of the structure of an amplifying section in the embodiment of FIG. 1;
FIG. 5 is a schematic diagram of a hardware configuration of an embodiment of an offset measurement apparatus for a dispenser needle;
FIG. 6 is a flow chart of a method of operation of one embodiment of a deflection value measuring device for a dispenser needle.
Detailed Description
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 in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
the present invention will be described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1-4, fig. 1 is a schematic structural diagram of an embodiment of an offset value measuring device for a dispenser needle 21 according to the present invention, fig. 2 is a schematic structural diagram of an offset value measuring device for a dispenser needle 21 in an embodiment of fig. 1, fig. 3 is a schematic structural diagram of a second light source in an embodiment of fig. 1, fig. 4 is a schematic structural diagram of an amplifying portion 1341 in an embodiment of fig. 1, and the offset value measuring device for a dispenser needle 21 in this embodiment includes: the device comprises a control module, a first shooting unit, a second shooting unit and an image recognition and judgment module.
The supporting frame can further comprise a supporting frame, the supporting frame can comprise a top plate 111, a base 114 and a plurality of supporting columns 113, a first sliding groove 1112 and a second sliding groove 1111 are constructed on the top plate 111, a first notch is defined on the top plate 111, a second notch is defined on the base 114, and the base 114 is connected with the top plate 111 through the plurality of supporting columns 113.
Further, the first photographing unit may include a Z-axis camera 121, a Z-axis light source 122, a Z-axis camera slide 123 and a Z-axis light source slide 124, the Z-axis camera 121 is disposed on the Z-axis camera slide 123, the Z-axis light source 122 is disposed on the Z-axis light source slide 124, the Z-axis camera 121 is slidably connected to the first sliding groove 1112 through the Z-axis camera slide 123, and the Z-axis light source 122 is slidably connected to the second sliding groove 1111 through the Z-axis light source slide 124, so as to facilitate focusing of the Z-axis camera 121.
Further, the second photographing unit includes an XY-axis camera 131, an XY-axis light source 132, and a setting frame 133, the XY-axis camera 131 and the XY-axis light source 132 are disposed on the setting frame 133, one side of the setting frame 133 is connected to the top plate 111 and/or the base 114, and the first photographing unit is defined and disposed in the first notch and the second notch, so that the XY-axis camera 131 can directly photograph the dispenser tip 21 in a vertical direction.
In some embodiments, the Z-axis camera 121 and the XY-axis camera 131 may be CCD cameras, camera lenses may be disposed on the Z-axis camera 121 and the XY-axis camera 131, and the Z-axis light source 122 may be a light source formed by a plurality of LED lamps in a dot matrix arrangement.
further, the XY-axis light source 132 may include a housing 1321 configured to be hollow cylindrical, the XY-axis light source 132 may further include a plurality of LED light sources 1323, the plurality of LED light sources 132 are disposed around an inner wall of the housing 1321, an inner wall of the housing 1321 is coated with a black light-absorbing coating, the black light-absorbing coating can prevent light generated by the LED light sources 1323 from being reflected by the inner wall of the housing 1321 and entering the XY-axis camera 131 to interfere with imaging, the housing 1321 may further be configured with a light-shielding portion 1322, the light-shielding portion 1322 is disposed around the inner wall of the housing 1321 and is configured to shield light rays generated by the plurality of LED light sources 1323 in a downward direction, the light generated by the LED light sources 1323 is prevented from being entered the XY-axis camera 131 to interfere with imaging, and thus the XY-axis light source.
Further, the second photographing unit further includes an amplifying part 1341, the amplifying part 1341 includes an amplifying part 1341 housing 1321 and an amplifying part 1342, and the magnification of the amplifying part 1342 may be between 1.2 times and 10 times, for example: 1.5 times, 2 times, 3 times, 5 times, or 10 times. The magnifying glass 1342 is embedded in the housing 1321 of the magnifying part 1341, one side of the magnifying part 1341 is connected to one side of the mounting rack 133, the magnifying part 1341 is disposed right above the XY axis light source 132, and the magnifying part 1341 can magnify the image of the dispenser needle 21 in the vertical direction through the magnifying glass 1342, so that the XY axis camera 131 can capture the image information of a larger dispenser needle 21, thereby improving the measurement accuracy of the device in the vertical direction.
wherein, still include: and the communication module is used for sending the deviation value of the position of the dispenser needle 21 in the horizontal direction from the horizontal reference position and the deviation value of the position of the dispenser needle 21 in the vertical direction from the vertical reference position to the counter-blade instrument 22.
Referring to fig. 5, fig. 5 is a schematic diagram of a hardware structure of an embodiment of an offset measuring device for a needle of a dispenser, including: the control module 201 is connected with the first shooting unit 202, the second shooting unit 203, the image recognition judging module 204 and the communication module 205.
The control module 201 may be a circuit including at least one processor, a circuit including at least one single chip, or a combination of multiple circuits or chips, as long as the corresponding functions can be realized. It is understood that, for those skilled in the art, common electronic components such as a CPU, an MCU, a crystal oscillator, a resistor, a capacitor, an amplifier, a comparator, a triode, a MOS transistor, etc. may also be used, and the corresponding functions of the circuits combined in any combination manner and electrically connected may be realized in a pure hardware manner.
the control module 201 may also be integrated with at least one type of readable storage medium, which includes a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a Read Only Memory (ROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a Programmable Read Only Memory (PROM), a magnetic memory, a magnetic disk, an optical disk, etc.
The first shooting unit 202 may include a Z-axis camera 2021 and a Z-axis light source 2022, the second shooting unit 203 may include an XY-axis camera 2031 and an XY-axis light source 2032, the first shooting unit 202 is configured to shoot image information of the dispenser tip in the horizontal direction as first image information, and the second shooting unit 203 is configured to shoot image information of the dispenser tip in the vertical direction as second image information.
The image recognition and determination module 204 is configured to recognize the first image information and the second image information, so as to determine positions of the dispenser needle in the horizontal direction and the vertical direction, and determine a deviation value between the position of the dispenser needle in the horizontal direction and a horizontal reference position and a deviation value between the position of the dispenser needle in the vertical direction and a vertical reference position.
wherein, communication module 205 can be directly and counter-blade appearance electric connection, also can include wifi chip and bluetooth chip, through wifi network or bluetooth and counter-blade appearance communication connection for send the deviation value of position and horizontal reference position and the deviation value of position and vertical reference position of point gum machine syringe needle on the vertical direction for the counter-blade appearance with the point gum machine syringe needle on the horizontal direction.
The control module 201 is electrically connected to the first capturing unit 202, the second capturing unit 203, the image recognition module 204 and the communication module 205, respectively.
Referring to fig. 6, fig. 6 is a flowchart illustrating a method of operating an offset measuring device for a needle of a dispenser according to an embodiment of the present invention, wherein the method of the present invention is not limited to the sequence shown in fig. 1 if substantially the same result is obtained, and the method includes the following steps:
And S1, shooting the image information of the needle head of the dispenser from the horizontal direction by a first shooting unit as first image information.
The image information of the needle head of the dispenser can be shot from the horizontal direction through the Z-axis camera to serve as first image information, and light is supplemented through the Z-axis light source.
And S2, performing image recognition on the first image information through the image recognition module to obtain the position of the needle head of the dispenser in the horizontal direction, and judging the deviation value of the position of the needle head of the dispenser in the horizontal direction and the horizontal reference position.
The first image information collected by the Z-axis camera can be subjected to binarization processing, and the data volume in the first image information can be greatly reduced, so that the outline of the needle head can be highlighted, the first image information can be conveniently identified, and the horizontal reference position is preset.
And S3, shooting the image information of the needle head of the dispenser from the vertical direction through a second shooting unit to be used as second image information.
The image information of the needle head of the dispenser can be shot from the vertical direction through the XY-axis camera to serve as second image information, and light is supplemented through the XY-axis light source.
and S4, performing image recognition on the second image information through the image recognition module to obtain the position of the needle head of the dispenser in the vertical direction, and judging the deviation value of the position of the needle head of the dispenser in the vertical direction and the vertical reference position.
the second image information collected by the XY axis camera can be subjected to binarization processing, and the data volume in the second image information can be greatly reduced, so that the outline of the needle head can be highlighted, the second image information can be conveniently identified, and the vertical reference position is preset.
The binaryzation range can be preset or manually changed, the position of a pinhead of the dispenser on three axes can be obtained according to a Z-axis camera and an XY-axis camera before image capture is carried out, the position can also be manually set and then moved to a target position, an area is screened, an area of interest is created, and the Z-axis camera and the XY-axis camera can be conveniently aligned to the position of the pinhead; in the first debugging, the detection area may be set, the parameters may be saved, and the saved parameters may be set as calibration bits.
According to the scheme, the image information of the needle head of the dispenser can be shot from the horizontal direction through the first shooting unit to serve as the first image information; performing image recognition on the first image information through an image recognition module to obtain the position of the needle head of the dispenser in the horizontal direction, and judging the deviation value of the position of the needle head of the dispenser in the horizontal direction and the horizontal reference position; shooting image information of a needle head of the dispenser from the vertical direction through a second shooting unit to serve as second image information; the image recognition module is used for recognizing the image of the second image information to obtain the position of the needle head of the dispensing machine in the vertical direction, and the deviation value of the position of the needle head of the dispensing machine in the vertical direction and the vertical reference position is judged, so that the deviation value of the current position of the needle head and the reference position after the needle head of the dispensing machine is replaced can be accurately measured, and the dispensing precision of the dispensing machine is improved.
In the several embodiments provided in the present disclosure, it should be understood that the disclosed system, apparatus, and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated into one processing unit, each unit may exist alone physically, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a deviation value measuring device for point gum machine syringe needle which characterized in that includes:
A control module;
The first shooting unit is used for shooting image information of a needle head of the dispenser in the horizontal direction to be first image information;
the second shooting unit is used for shooting the image information of the needle head of the dispenser in the vertical direction to be second image information; and
the image recognition and judgment module is used for recognizing the first image information and the second image information so as to determine the positions of the needle head of the dispenser in the horizontal direction and the vertical direction, and judging the deviation value of the position of the needle head of the dispenser in the horizontal direction and the horizontal reference position and the deviation value of the position of the needle head of the dispenser in the vertical direction and the vertical reference position;
The control module is electrically connected with the first shooting unit, the second shooting unit and the image identification and judgment module.
2. The offset value measuring device for a dispenser needle according to claim 1, further comprising:
The first shooting unit and the second shooting unit are respectively arranged on the support frame.
3. the offset value measuring device for a dispenser needle of claim 2, wherein the support frame further comprises:
the top plate is provided with a first sliding groove and a second sliding groove in a constructed mode, and a first notch is defined in the top plate;
A base defining a second notch thereon;
The base is connected with the top plate through a plurality of support columns.
4. the offset value measuring device for a dispenser needle according to claim 3,
The first shooting unit comprises a Z-axis camera, a Z-axis light source, a Z-axis camera sliding seat and a Z-axis light source sliding seat, the Z-axis camera is arranged on the Z-axis camera sliding seat, the Z-axis light source is arranged on the Z-axis light source sliding seat, the Z-axis camera is in sliding connection with the first sliding groove through the Z-axis camera sliding seat, and the Z-axis light source is in sliding connection with the second sliding groove through the Z-axis light source sliding seat;
The second shooting unit comprises an XY-axis camera, an XY-axis light source and a setting frame, the XY-axis camera and the XY-axis light source are arranged on the setting frame, one side of the setting frame is connected with the top plate and/or the base, and the first shooting unit is limited and arranged in the first notch and the second notch.
5. the offset value measuring device for a dispenser needle according to claim 4,
The XY-axis light source includes a housing configured in a hollow cylindrical shape.
6. the offset value measuring device for a dispenser needle according to claim 5,
The XY axis light source also comprises a plurality of LED light sources, the LED light sources are arranged on the inner wall of the shell in a surrounding mode, and the inner wall of the shell is coated with black light absorption coating.
7. The offset value measuring device for a dispenser needle according to claim 6,
The shell is further provided with a shading part which is arranged on the inner wall of the shell in a surrounding mode and used for shading downward light rays generated by the LED light sources.
8. The offset value measuring device for a dispenser needle according to claim 7,
The second shooting unit further comprises an amplifying part, the amplifying part comprises an amplifying part shell and an amplifying lens, the amplifying lens is embedded in the amplifying part shell, one side of the amplifying part is connected with one side of the setting frame, and the amplifying part is arranged right above the XY-axis light source.
9. the offset value measuring device for a dispenser needle according to claim 1, further comprising:
The communication module is used for sending the deviation value of the position of the glue dispenser needle head in the horizontal direction and the horizontal reference position and the deviation value of the position of the glue dispenser needle head in the vertical direction and the vertical reference position to the counter-blade instrument, and the communication module is electrically connected with the control module.
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| CN201920105408.3U CN209783533U (en) | 2019-01-22 | 2019-01-22 | Deviation value measuring device for needle head of dispenser |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920105408.3U CN209783533U (en) | 2019-01-22 | 2019-01-22 | Deviation value measuring device for needle head of dispenser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457850A (en) * | 2019-01-22 | 2020-07-28 | 深圳市腾盛精密装备股份有限公司 | Deviation value measuring device for needle head of dispenser and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111457850A (en) * | 2019-01-22 | 2020-07-28 | 深圳市腾盛精密装备股份有限公司 | Deviation value measuring device for needle head of dispenser and working method thereof |
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Address after: 518000 101-502, No.9, xinbaili Industrial Park, Xinshi community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Tengsheng precision equipment Co., Ltd Address before: 518000 Guangdong city of Shenzhen province Longhua District, Dalang street, Dalang community Huaning road Hualian Industrial Park seventh Patentee before: SHENZHEN TENSUN INDUSTRIAL EQUIPMENT CO., LTD. |