CN111252505B - Vibration feeding device and feeding method thereof - Google Patents
Vibration feeding device and feeding method thereof Download PDFInfo
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- CN111252505B CN111252505B CN202010248001.3A CN202010248001A CN111252505B CN 111252505 B CN111252505 B CN 111252505B CN 202010248001 A CN202010248001 A CN 202010248001A CN 111252505 B CN111252505 B CN 111252505B
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- light source
- lifting
- tray
- vibration
- supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G27/00—Jigging conveyors
- B65G27/04—Load carriers other than helical or spiral channels or conduits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G27/00—Jigging conveyors
- B65G27/10—Applications of devices for generating or transmitting jigging movements
- B65G27/16—Applications of devices for generating or transmitting jigging movements of vibrators, i.e. devices for producing movements of high frequency and small amplitude
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/04—Spreading out the materials conveyed over the whole surface to be loaded; Trimming heaps of loose materials
- B65G69/0425—Spreading out the materials conveyed over the whole surface to be loaded; Trimming heaps of loose materials with vibrating or shaking means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/041—Camera
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention relates to the field of intelligent manufacturing, in particular to a vibration feeding device and a feeding method thereof. The vibration feeding device comprises a light source, a material tray assembly, a vibration source and a supporting assembly. The light source includes lift light source, backlight and fixed light source, and lift light source constitutes the loop configuration with fixed light source, and lift light source lower extreme is provided with elevating system, and supporting component includes bottom plate, left side board, right side board, first bracing piece, supporting platform, second bracing piece and third bracing piece, is provided with the mount pad on the supporting platform, and the vibration source is installed on the mount pad, and the lift light source passes through elevating system's stiff end and installs on the left side board. The feeding method drives the lifting light source through the lifting mechanism, and the lifting light source is located at different heights at different time nodes, so that the purposes of visual detection and interference avoidance are achieved. According to the invention, through the improvement of the feeding device, the visual detection function is perfected, the movement track of the manipulator is optimized, and the feeding efficiency is improved.
Description
Technical Field
The invention relates to the field of intelligent manufacturing, in particular to a vibration feeding device and a feeding method thereof.
Background
With the continuous development of intelligent manufacturing, automatic production lines in various fields are in endless. At the front end material loading letter sorting part of automation line, prior art adopts machine vision to detect and replaces traditional artifical the measuring, has practiced thrift the human cost greatly. The feeding mechanism with the visual detection function in the prior art shakes and looses products through vibration, and simple positioning is carried out on the products through camera shooting. And the visual detection system transmits the position information to the mechanical arm, and the feeding and sorting work is finished through the mechanical arm.
However, the product is updated and updated quickly, and the visual detection of the feeding mechanism part is difficult to meet the detection requirement. Different types of products on the same production line are more and more, and the requirement on visual detection is higher and higher. Not only need realize accurate location to the product in feed tray of feed mechanism, still need the positive and negative detection that can discern the product, need carry out simple surface detection to the product even. In order for the vision inspection system to obtain more information, improvements to existing feed mechanisms are needed.
Chinese patent document CN106680207A discloses an AOI visual inspection annular light source side light source and backlight source inspection mechanism, which comprises a bracket and a CCD camera, the bracket is provided with a detection area, the bracket is provided with a support frame in the detection area, the top of the support frame is provided with a mounting frame for fixing a product to be detected, a backlight source is arranged under the bracket opposite to the product to be detected, the CCD camera comprises a front-view angle CCD camera positioned right above the detection area and a side-view angle CCD camera positioned on the side surface of the detection area, the CCD camera with positive visual angle is provided with an annular light source below the lens, the bracket is respectively provided with a high-angle strip light source used for shining towards the detection area above the left side and the right side of the supporting frame, an up-down sliding mechanism is respectively arranged between the positive viewing angle CCD camera, the side viewing angle CCD camera and the bracket, the height of the positive viewing angle CCD camera and the height of the side viewing angle CCD camera can be adjusted up and down relative to the bracket through corresponding up-down sliding mechanisms. According to the scheme, the high-angle strip-shaped light sources are added on the basis of the original backlight source, the height of the high-angle light sources can be adjusted according to needs, and the problems of insufficient and uneven polishing in AOI visual appearance detection are solved. However, the provision of high angle light sources has limited assistance in front and back recognition and surface detection of products.
Chinese patent document CN208222208U discloses a visual inspection device with adjustable light source, wherein the adjustable light source includes a swivel mount, a connecting frame, and an LED light source, the swivel mount is located at the lower end of a square plate, the swivel mount is connected with the square plate through a bolt, the connecting frame is located inside the swivel mount, the connecting frame can rotate in the swivel mount, the LED light source is located outside the connecting frame, and the LED light source is connected with the connecting frame through a bolt. The angle, the height and the direction between the light source and the lens can be adjusted, and the light supplementing requirements during detection of different products can be met. However, the feeding mechanism needs to be matched with a manipulator moving at a high speed, the space is narrow, the condition is not satisfied with the arrangement of the light source adjustable visual detection device, and the manipulator is easy to interfere in a narrow space range.
In summary, in a product diversification production line, how to optimize and improve the existing feeding mechanism in response to the diversification requirement of product detection at the feeding mechanism becomes a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The technical problem is as follows: in the automatic feed mechanism of machine vision inspection, prior art can't satisfy the demand that carries out diversified detection to different products.
The technical scheme is as follows: a vibration feeding device is provided, which comprises a light source, a material tray assembly, a vibration source and a supporting assembly.
The light source includes lift light source, backlight and fixed light source, and lift light source constitutes the loop configuration with fixed light source, and lift light source lower extreme is provided with elevating system, and elevating system includes fixed section and movable segment, movable segment and lift light source lower extreme fixed connection.
The charging tray subassembly includes charging tray frame, charging tray and charging tray supporting seat, and the charging tray is installed on the charging tray supporting seat, and the charging tray frame is installed on the charging tray.
When the vibration source vibrates, the lifting light source is arranged above the tray of the material tray by the lifting mechanism, and the lifting light source and the fixed light source form an annular structure to be used as the extension of the frame of the material tray, so that the material in the tray of the material tray is prevented from scattering.
When the vibration source stops vibrating, the lifting mechanism lowers the lifting light source, the space above the tray is made free, and interference with the material taking manipulator is avoided.
The supporting component comprises a bottom plate, a left side plate and a right side plate, the material tray comprises a first supporting rod, a supporting platform, a second supporting rod and a third supporting rod, wherein the left side plate and the right side plate are respectively and vertically fixed on the bottom plate, the supporting platform is fixed between the left side plate and the right side plate, the supporting platform is parallel to the bottom plate, the first supporting rods are connected with the supporting platform and the bottom plate, the second supporting rods are installed on the supporting platform, a mounting seat is arranged on the supporting platform, a vibration source is installed on the mounting seat, a fixed light source is installed at the upper end of the right side plate, the second supporting rods are connected with the supporting platform and the fixed light source, a backlight source is installed on the supporting platform and located below the material tray assembly, the third supporting rod is installed on the supporting platform, the third supporting rod is connected with the supporting platform and the material tray supporting seat, the.
Preferably, the outer contour of the tray is rectangular.
Preferably, the lifting mechanism is a cylinder.
Preferably, the vibration source is a voice coil motor.
Meanwhile, the invention also provides a feeding method of the vibration feeding device, which comprises the following steps:
and 5, after the material treatment is finished, repeating the steps 1-4.
Preferably, the turning on of the light source in step 2 includes turning on a lifting light source, a backlight source and a fixed light source.
Preferably, in step 4, the light source is kept turned on after the end of the visual inspection camera photographing.
Has the advantages that: compared with the prior art, the invention has the following prominent substantive characteristics and remarkable progress through the improvement of the structure:
1. the utility model provides a vibration loading attachment increases the side light source of low angle on the basis of backlight for visual detection system not only can fix a position the material on the charging tray, can also discern the positive and negative of material simultaneously, promotes visual detection function, makes up the disappearance of original visual detection function.
2. The height of the lifting light source can be adjusted by the lifting mechanism, and the lifting light source is used for greatly facilitating the calibration process when the visual detection system detects and calibrates. The angle adjustment of the light source and the detection surface is realized easily by driving the light source to lift through the lifting mechanism. Especially, under the condition that multiple materials use the same feeding mechanism, the calibration time of the visual detection system is greatly reduced.
3. In the feeding device, a voice coil motor is selected as a vibration source, and the voice coil motor provides two modes of high-frequency vibration and low-frequency vibration. The material tray makes the product gather together in the charging tray center through voice coil motor high frequency vibration, and then the product diffusion evenly distributed in the material tray is made to low frequency vibration. The distribution of products becomes regular, and the method helps to simplify and optimize the motion trail of the manipulator.
4. Before the vibration source is started, the lifting light source is arranged above the material tray assembly by the lifting mechanism, the lifting light source and the fixed light source form an annular structure, the height of the edge of the material tray assembly is increased by the annular structure, and the material scattering caused by the vibration source in the vibration process is avoided; after the visual detection system acquires the image and the position information of the product, the lifting mechanism lowers the lifting light source to the lowest point, the space above the material tray assembly is left out, the mechanical arm or the sucker can conveniently act, and the interference probability is reduced.
Drawings
FIG. 1 is a front view of a vibratory loading apparatus in an embodiment of the present invention;
FIG. 2 is a perspective view of FIG. 1 with the right side plate 4 removed;
FIG. 3 is a front view of the tray assembly 12 of FIG. 1;
FIG. 4 is a perspective view of FIG. 3;
fig. 5 is a front view of the elevating light source 1 of fig. 1 after it is lowered;
fig. 6 is a perspective view of fig. 5.
Reference numerals: lifting light source 1, left side board 2, cylinder 3, right side board 4, bottom plate 5, first bracing piece 6, backlight 7, supporting platform 8, second bracing piece 9, voice coil motor 10, fixed light source 11, charging tray subassembly 12, third bracing piece 13, motor mount pad 14, charging tray frame 15, charging tray 16, charging tray supporting seat 17.
Detailed Description
The detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Examples
As shown in fig. 1 and 2, the vibration feeding device comprises a light source, a tray assembly 12, a voice coil motor 10 and a support assembly.
Wherein, the light source includes lift light source 1, backlight 7 and fixed light source 11, and cylinder 3 includes fixed section and movable segment, and the top of movable segment passes through the fastener and connects in the bottom of lift light source 1.
As shown in fig. 3 and 4, the tray assembly 12 includes a tray rim 15, a tray support 16 and a tray support seat 17, the tray support 17 is mounted on the tray support seat 16, and the tray rim 15 is mounted on the tray support 16.
The supporting component comprises a bottom plate 5, a left side plate 2, a right side plate 4, a first supporting rod 6, a supporting platform 8, a second supporting rod 9 and a third supporting rod 13, the left side plate 2 and the right side plate 4 are respectively and vertically fixed on the bottom plate 5, the supporting platform 8 is fixed between the left side plate 2 and the right side plate 4, the supporting platform 8 is parallel to the bottom plate 5, 4 first supporting rods 6 are connected with the supporting platform 8 and the bottom plate 5, 2 second supporting rods 9 are installed on the supporting platform 8, a motor installation seat 14 is arranged on the supporting platform 8, a voice coil motor 10 is installed on the installation seat 14, a fixed light source 11 is installed at the upper end of the right side plate 4, the second supporting rods 9 are connected with the supporting platform 8 and the fixed light source 11, a backlight source 7 is installed on the supporting platform 8 and is positioned below a material tray component 12, the third supporting rod 13 is installed on the supporting platform 8, the third, the charging tray supporting seat 17 is connected on the voice coil motor 10, and the lifting light source 1 is installed on the left side plate 2 through the fixed end of the cylinder 3.
When the vibration feeding device feeds materials, the following steps are adopted:
and 5, after the material treatment is finished, repeating the steps 1-4.
When the lifting lamp is used, the movable section of the cylinder 3 drives the lifting light source to move up and down. The angle adjustment of the light source and the detection surface is easily realized by adjusting the lifting of the cylinder 3. Especially, under the condition that multiple materials use the same feeding mechanism, the calibration time of the visual detection system is greatly reduced. Meanwhile, the light source assembly mainly provides a low-angle side light source, so that the visual detection system can not only position materials on the material tray, but also identify the front and back sides of the materials, and the visual detection function is improved.
In the step 1, the lifting light source is arranged above the material tray assembly by the lifting mechanism, the lifting light source and the fixed light source form an annular structure, the height of the edge of the material tray assembly is increased by the annular structure, and the material scattering caused by a vibration source in the vibration process is avoided; in step 4, after the vision inspection system acquires the product image and the position information, the lifting mechanism lowers the lifting light source to the lowest point as shown in fig. 5 and 6, and the space above the tray assembly is left out, so that the mechanical arm or the sucker can conveniently act, and the interference probability is reduced.
The present invention is not limited to the specific technical solutions described in the above embodiments, and other embodiments may be made in the present invention in addition to the above embodiments. It will be understood by those skilled in the art that various changes, substitutions of equivalents, and alterations can be made without departing from the spirit and scope of the invention.
Claims (8)
1. A vibration feeding device comprises a light source, a material tray component, a vibration source and a supporting component, and is characterized in that,
the light source comprises a lifting light source, a backlight source and a fixed light source, the lower end of the lifting light source is provided with a lifting mechanism, the lifting mechanism comprises a fixed section and a movable section, and the movable section is fixedly connected with the lower end of the lifting light source;
the material tray assembly comprises a material tray frame, a material tray and a material tray supporting seat, the material tray is arranged on the material tray supporting seat, and the material tray frame is arranged on the material tray;
when the vibration source vibrates, the lifting light source is arranged above the tray by the lifting mechanism, the lifting light source and the fixed light source form an annular structure, and the annular structure is used as the extension of the frame of the tray;
when the vibration source stops vibrating, the lifting mechanism lowers the lifting light source to make room for the space above the tray.
2. A vibration loading device according to claim 1, wherein the supporting assembly comprises a bottom plate, a left side plate, a right side plate, a first supporting rod, a supporting platform, a second supporting rod and a third supporting rod, the left side plate and the right side plate are respectively fixed on the bottom plate vertically, the supporting platform is fixed between the left side plate and the right side plate, the supporting platform is parallel to the bottom plate, a plurality of the first supporting rods connect the supporting platform and the bottom plate, a plurality of the second supporting rods are installed on the supporting platform, the supporting platform is provided with an installation seat, the vibration source is installed on the installation seat, the fixed light source is installed at the upper end of the right side plate, the second supporting rods connect the supporting platform and the fixed light source, the backlight source is installed on the supporting platform and is located below the tray assembly, the third bracing piece is installed on supporting platform, the third bracing piece is connected supporting platform with the charging tray supporting seat, the charging tray supporting seat is connected on the vibration source, the lift light source passes through elevating system's stiff end is installed on the left side board.
3. A vibratory loading device as set forth in claim 1 wherein said tray is rectangular in outer profile.
4. A vibratory loading unit as claimed in claim 1 wherein said lifting means is a pneumatic cylinder.
5. A vibratory loading unit as set forth in claim 1 wherein said vibration source is a voice coil motor.
6. A method of vibratory loading unit loading as claimed in claim 1 further comprising the steps of:
step 1: the lifting mechanism is used for placing a lifting light source above the tray of the material tray, the lifting light source and the fixed light source form an annular structure, the annular structure is used as an extension of a frame of the material tray, and a vibration source is started to enable materials to be distributed in a dispersed manner in the central area of the tray of the material tray;
step 2: turning off the vibration source and turning on the light source;
and step 3: a visual inspection camera positioned above the feeding device acquires position information and front and back information of the material and sends the information to an execution end;
and 4, step 4: after the shooting of the visual inspection camera is finished, the light source is closed, the lifting mechanism lowers the lifting light source to the lowest point, and the execution end is waited to take materials;
and 5: and (4) after the material taking is finished, repeating the steps 1-4.
7. A feeding method of a vibration feeding device according to claim 6, wherein the turning on of the light source in step 2 includes turning on of a lifting light source, a backlight source and a fixed light source.
8. The feeding method of a vibration feeding device according to claim 6, wherein in the step 4, the light source is kept turned on after the shooting of the visual detection camera is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010248001.3A CN111252505B (en) | 2020-04-01 | 2020-04-01 | Vibration feeding device and feeding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010248001.3A CN111252505B (en) | 2020-04-01 | 2020-04-01 | Vibration feeding device and feeding method thereof |
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| Publication Number | Publication Date |
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| CN111252505A CN111252505A (en) | 2020-06-09 |
| CN111252505B true CN111252505B (en) | 2021-06-18 |
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| CN202010248001.3A Active CN111252505B (en) | 2020-04-01 | 2020-04-01 | Vibration feeding device and feeding method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115436724A (en) * | 2021-06-02 | 2022-12-06 | 泰克元有限公司 | Transmitter and test processor including the same |
| CN113998398A (en) * | 2021-09-30 | 2022-02-01 | 温州市日康机械科技厂 | Vibration mechanism and feeding device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB307978A (en) * | 1927-10-13 | 1929-03-13 | Kenneth Davis | Improved method or process and means for separating or cleaning intermixed divided materials |
| JP2008156076A (en) * | 2006-12-25 | 2008-07-10 | Takazono Sangyo Co Ltd | Vibrating feeder device |
| CN102795451A (en) * | 2012-08-15 | 2012-11-28 | 宁波沃特美逊机器人科技有限公司 | Feeding mechanism capable of identifying front side of flat gasket |
| CN106269532B (en) * | 2016-09-14 | 2018-05-25 | 山东大学 | Automatic material flow sorting system |
| CN206235571U (en) * | 2016-11-30 | 2017-06-09 | 惠州汉视博自动化设备有限公司 | The two-sided visual detection equipment of workpiece |
| CN206593645U (en) * | 2017-03-15 | 2017-10-27 | 东莞市正邦自动化科技有限公司 | A kind of multiaspect photographic unit applied to machine visual detection device |
| CN207147996U (en) * | 2017-08-30 | 2018-03-27 | 东莞新友智能科技有限公司 | A kind of device of double-sided glass detection |
| CN207457044U (en) * | 2017-11-13 | 2018-06-05 | 惠州汉尼博精密科技有限公司 | A kind of light source for camera production can automatic lifting light box |
| CN208631465U (en) * | 2018-08-20 | 2019-03-22 | 苏州厚载机械科技有限公司 | A kind of flexibility feeding device |
| CN108889639B (en) * | 2018-08-20 | 2024-01-02 | 苏州厚载机械科技有限公司 | Flexible vibration disk |
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2020
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