CN111112131A - Wafer type detection equipment for food packaging and working method thereof - Google Patents
Wafer type detection equipment for food packaging and working method thereof Download PDFInfo
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- CN111112131A CN111112131A CN201911345628.4A CN201911345628A CN111112131A CN 111112131 A CN111112131 A CN 111112131A CN 201911345628 A CN201911345628 A CN 201911345628A CN 111112131 A CN111112131 A CN 111112131A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/3404—Sorting according to other particular properties according to properties of containers or receptacles, e.g. rigidity, leaks, fill-level
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/226—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
- G01M3/227—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators for flexible or elastic containers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8411—Application to online plant, process monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/845—Objects on a conveyor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
Abstract
A double-clip type detection device for food packaging and a working method thereof comprise a goods lifting rack, a transmission mechanism, a double-clip mechanism and a control mechanism; the conveying mechanism comprises a conveying belt; the goods lifting frame comprises a camera device; the butt clamp mechanism includes transverse guide, first electronic pulley, vertical telescoping device, adapting unit, first rotary device, horizontal telescoping device, splint, pressure sensor, electronic pulley of second and centre gripping arm, transverse guide sets up directly over the conveyer belt, first electronic pulley sets up on transverse guide with the electronic pulley of second, vertical telescoping device links to each other with the bottom of electronic pulley, adapting unit links to each other with the bottom of vertical telescoping device, place adapting unit in the first rotary device, horizontal telescoping device links to each other with first rotary device, splint link to each other with the side of horizontal telescoping device, place splint in pressure sensor, first electronic pulley is used for driving vertical telescoping device and removes along transverse guide, the electronic pulley of second is used for driving the centre gripping arm and removes along transverse guide.
Description
Technical Field
The invention relates to the field of food detection, in particular to wafer-type detection equipment for food packaging and a working method thereof.
Background
The food safety is related to the physical health of consumers, and the food safety is not only related to the material of food, but also related to food packaging, so that the air tightness index of the food packaging is an important detection item for packaging food.
The protection gas can be filled into the packaging bag of part food package to guarantee that food is difficult for rotting, if the wrapping bag gas tightness is not good, can lead to the food in it to be affected adversely such as wet, rot, by crushing, but present gas tightness inspection can't be used in the assembly line that the food dispatched from the factory, only can carry out the sampling inspection of a small amount of products.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the disadvantages in the background art, embodiments of the present invention provide a wafer-type detecting device for food packaging and a working method thereof, which can effectively solve the problems related to the background art.
The technical scheme is as follows:
a wafer-type detection device for food packaging comprises a goods lifting frame, a conveying mechanism, a wafer-type mechanism and a control mechanism, wherein the control mechanism comprises a processor and a driving device, and the processor is connected with the driving device;
the conveying mechanism comprises a conveying belt, and the conveying belt is connected with the driving device and is used for conveying the products to be detected and the qualified products;
the goods lifting frame is arranged above the conveyor belt and comprises a camera device, and the camera device is connected with the processor and is used for acquiring images of the goods to be detected on the conveyor belt and sending the images to the processor;
the butt clamp mechanism is arranged on the goods lifting rack and comprises a transverse guide rail, a first electric pulley, a longitudinal telescopic device, a connecting part, a first rotating device, a transverse telescopic device, a clamping plate, a pressure sensor, a second electric pulley and a clamping arm, wherein the transverse guide rail is arranged right above the conveying belt, the first electric pulley and the second electric pulley are arranged on the transverse guide rail, the longitudinal telescopic device is connected with the bottom of the electric pulley, the connecting part is connected with the bottom of the longitudinal telescopic device, the connecting part is arranged in the first rotating device, the transverse telescopic device is connected with the first rotating device, the clamping plate is connected with the side surface of the transverse telescopic device, the pressure sensor is arranged in the clamping plate, and the first electric pulley, the longitudinal telescopic device, the transverse telescopic device, the clamping arm, First rotary device, second electric pulley and centre gripping arm respectively with drive arrangement is connected, first electric pulley is used for the drive vertical telescoping device is followed the transverse guide removes, vertical telescoping device is used for the drive splint longitudinal movement, horizontal telescoping device is used for the drive splint lateral shifting, first rotary device is used for the drive splint swing back and forth, second electric pulley is used for the drive the centre gripping arm is followed the transverse guide removes, the centre gripping arm is used for pressing from both sides the clamp and gets the product of waiting to detect between the two splint, pressure sensor with the treater is connected, is used for detecting the stress value of splint and will the stress value sends for the treater.
As a preferable mode of the present invention, the conveying mechanism further includes a cutting device, the cutting device is disposed on a side surface of the conveyor belt and includes a protruding member, a second rotating device, and a cutting plate, the second rotating device is disposed in the protruding member and connected to the driving device, the cutting plate is connected to the second rotating device, and the second rotating device is configured to drive the cutting plate to rotate.
As a preferable mode of the present invention, the cutting plate is provided with a lifting plate, and the lifting plate is connected to the driving device and is configured to extend a coverage of the cutting plate upward.
As a preferable mode of the present invention, the splint is provided with a plurality of tubular members, the front end of each tubular member is a spherical surface, and a through hole is provided in the center of the spherical surface.
As a preferable mode of the present invention, the lifting rack further includes a brightness sensor and an illumination device, the brightness sensor is connected to the processor and configured to acquire a brightness value of an environment around the clamping mechanism and send the brightness value to the processor, and the illumination device is connected to the driving device and configured to illuminate the environment around the clamping mechanism.
The working method of the wafer-type detection device for food packaging comprises the following working steps:
s101: the camera device acquires an image on the conveyor belt and sends the image to the processor;
s102: the processor judges whether the product to be detected is conveyed to the lower part of the butt-clamping mechanism or not according to the image;
s103: if so, the processor outputs a clamping and hitting signal to the driving device, and the driving device drives a group of first electric pulleys to move to the left side and the right side of the conveying belt respectively;
s104: the processor outputs a first extension signal to the driving device, and the driving device drives the longitudinal expansion device to extend by a first preset length;
s105: the processor outputs a second extension signal to the driving device, and the driving device drives the transverse telescopic device to extend for a second preset length;
s106: in the process of extending the transverse telescopic device, the pressure sensor detects the stress value of the clamping plate and sends the stress value to the processor;
s107: the processor judges whether the stress value is greater than or equal to a preset value;
s108: if so, the processor outputs a pause signal to the driving device, and the driving device drives the transverse expansion device to pause and extend;
s109: the processor judges whether the clamped product to be detected has deformation conditions according to the received images;
s110: if so, the processor outputs a first rotation signal to the driving device, and the driving device drives the first rotating device to rotate backwards by a preset angle;
s111: if so, the processor extracts the deformed product to be detected and outputs a clamping signal to the driving device, and the driving device drives the clamping arm to clamp the product to be detected;
s112: the processor outputs a first shortening signal to the driving device, and the driving device drives the transverse telescopic device to shorten to the original length.
As a preferred embodiment of the present invention, S102 further includes:
the processor outputs a second rotation signal to the driving device, and the driving device drives the second rotating device to rotate 270 degrees.
As a preferred embodiment of the present invention, the present invention further comprises:
the processor outputs a rising signal to the driving device, and the driving device drives the lifting plate to rise by a preset height.
As a preferred embodiment of the present invention, the present invention further comprises:
the brightness sensor detects the brightness value of the environment around the goods lifting frame and sends the brightness value to the processor;
the processor judges whether the brightness value is less than or equal to a preset brightness value;
if so; the processor outputs an illumination signal to the driving device, and the driving device drives the illumination device to start.
The invention realizes the following beneficial effects:
1. the length of the transverse guide rail is greater than the width of the conveyor belt, the group of first electric pulleys comprises two first electric pulleys which are respectively arranged at two ends of the transverse guide rail, a longitudinal expansion device is connected below the first electric pulleys, a connecting part is connected below the longitudinal expansion device, a first rotating device is arranged in the connecting part, a transverse expansion device is connected to the side surface of the first rotating device, a clamping plate is connected to the side surface of the transverse expansion device, when the transverse expansion devices at two sides are expanded, the clamping plates on the transverse expansion device move oppositely to clamp a product to be detected on the conveyor belt, in the process of expanding the transverse expansion device, the pressure sensor detects the acting force of the product to be detected on the clamping plate in real time and sends the stress value of the clamping plate to the processor, and if the processor judges that the received stress value is greater than or equal to a preset value, the clamping of the product to be detected by the clamping plate is indicated, the preset value is a stress value of the clamping plate in a normal clamping air tightness state, at the moment, the processor judges whether the packaging bag is deformed or not through images, and if the packaging bag of the product to be detected is damaged, the gas in the packaging bag is discharged under clamping to cause deformation of the packaging bag; the splint can once only press a plurality of products of waiting to detect, can detect food package gas tightness on a large scale through above-mentioned principle.
2. When the products to be detected are conveyed to the conveying belt, the processor controls the second rotating device to rotate for 270 degrees through the driving device, the cut-off plate is transversely arranged on the conveying belt, the conveying belt is divided into two parts according to the position of the opposite clamping mechanism, the undetected products cannot pass through the cut-off plate, when the number of the products stacked in front of the cut-off plate is too large, the processor controls the lifting plate to lift to a preset height through the driving device, and the stacked undetected products can be prevented from crossing the cut-off plate.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural diagram of a conveying mechanism provided by the present invention.
Fig. 2 is a schematic structural view of the opposite clamping mechanism provided by the invention.
Fig. 3 is a schematic working diagram of the clamping mechanism provided by the invention.
Fig. 4 is a schematic view of the structure of the splint provided by the present invention.
Fig. 5 is a schematic view of the cutting device according to the present invention.
FIG. 6 is a schematic diagram of a processor connection provided by the present invention.
Fig. 7 is a flowchart of a working method of the detection apparatus provided by the present invention.
Fig. 8 is a flowchart of a working method of the luminance sensor and the lighting device according to the present invention.
Fig. 9 is a flowchart of a method for operating the truncating device according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
As shown in fig. 1-6, the present embodiment provides a wafer-type detecting device for food packaging, which includes a lifting frame 1, a conveying mechanism, a wafer-type detecting mechanism, and a control mechanism, wherein the control mechanism includes a processor 2 and a driving device 3, and the processor 2 is connected to the driving device 3;
the conveying mechanism comprises a conveying belt 4, and the conveying belt 4 is connected with the driving device 3 and is used for conveying the products to be detected and the qualified products;
the goods lifting frame 1 is arranged above the conveyor belt 4 and comprises a camera device 5, and the camera device 5 is connected with the processor 2 and is used for acquiring an image of an article to be detected on the conveyor belt 4 and sending the image to the processor 2;
the butt-clamping mechanism is arranged on the goods lifting frame 1 and comprises a transverse guide rail 6, a first electric pulley 7, a longitudinal expansion device 8, a connecting part 9, a first rotating device 10, a transverse expansion device 11, a clamping plate 12, a pressure sensor 13, a second electric pulley and a clamping arm, the transverse guide rail 6 is arranged right above the conveyor belt 4, the first electric pulley 7 and the second electric pulley are arranged on the transverse guide rail 6, the longitudinal expansion device 8 is connected with the bottom of the electric pulley, the connecting part 9 is connected with the bottom of the longitudinal expansion device 8, the connecting part 9 is arranged in the first rotating device 10, the transverse expansion device 11 is connected with the first rotating device 10, the clamping plate 12 is connected with the side surface of the transverse expansion device 11, and the clamping plate 12 is arranged in the pressure sensor 13, the first electric pulley 7, the longitudinal expansion device 8, the transverse expansion device 11, the first rotating device 10, the second electric pulley and the clamping arm are respectively connected with the driving device 3, the first electric pulley 7 is used for driving the longitudinal expansion device 8 to move along the transverse guide rail 6, the longitudinal telescopic device 8 is used for driving the clamping plate 12 to move longitudinally, the transverse telescopic device 11 is used for driving the clamping plate 12 to move transversely, the first rotating device 10 is used for driving the clamping plate 12 to swing back and forth, the second electric pulley is used for driving the clamping arm to move along the transverse guide rail 6, the clamping arm is used for clamping a product to be detected between the two clamping plates 12, the pressure sensor 13 is connected with the processor 2, for detecting the force value of the splint 12 and sending it to the processor 2.
Transport mechanism still including cutting the device, cut the device set up in the side of conveyer belt 4, and include convex part 15, second rotary device 16 and cut off board 17, place in second rotary device 16 convex part 15, and with drive arrangement 3 is connected, cut off board 17 with second rotary device 16 links to each other, second rotary device 16 is used for the drive cut off board 17 rotates.
The cutting plate 17 is provided with a lifting plate 18, and the lifting plate 18 is connected with the driving device 3 and used for upwards expanding the coverage range of the cutting plate 17.
The splint 12 is provided with a plurality of tubular components 19, the front end of the tubular components 19 is a spherical surface, and the center of the spherical surface is provided with a through hole.
The goods lifting frame 1 further comprises a brightness sensor and an illuminating device, the brightness sensor is connected with the processor 2 and used for acquiring a brightness value of the surrounding environment of the clamping mechanism and sending the brightness value to the processor 2, and the illuminating device is connected with the driving device 3 and used for illuminating the surrounding environment of the clamping mechanism.
Specifically, the conveying apparatus provided in the present embodiment includes a pallet 1, a processor 2, a driving device 3, a conveyor belt 4, an imaging device 5, a lateral guide rail 6, a first motorized pulley 7, a longitudinal expansion device 8, a connecting member 9, a first rotating device 10, a lateral expansion device 11, a clamp plate 12, a pressure sensor 13, a second motorized pulley, a clamp arm, a protruding member 15, a second rotating device 16, a cutoff plate 17, a lifting plate 18, a tubular member 19, a through hole, a brightness sensor, and an illumination device.
After the cutting device is started, the second rotating device 16 drives the cutting plate 17 to rotate 270 degrees, the cutting plate 17 is turned over onto the conveyor belt 4 from the side face of the conveyor belt 4, the conveyor belt 4 is divided into two parts, and the articles to be detected can pass through the cutting plate 17 only after being detected to be qualified.
The goods lifting frame 1 is arranged in front of the cut-off device, the front and back positions of the goods lifting frame are provided with the camera devices 5, and the camera devices 5 can acquire complete images on the conveyor belt 4.
The length of transverse guide 6 is greater than the width of conveyer belt 4, and a set of first electronic pulley 7 includes two electronic pulleys 7, and set up respectively in transverse guide 6's both ends, lie in the both sides of conveyer belt 4 promptly.
The utility model discloses a conveyor belt, including conveyer belt 4, vertical telescoping device 7, connecting part 9, horizontal telescoping device 11, splint 12, vertical telescoping device 8, connecting part 9 embeds there is first rotary device 10, the side of first rotary device 10 is connected with horizontal telescoping device 11, the side of horizontal telescoping device 11 is connected with splint 12, L type structure is constituteed to vertical telescoping device 8, connecting part 9 and horizontal telescoping device 11, and when the horizontal telescoping device 11 extension of both sides, splint 12 on it moves in opposite directions, can step up the product of waiting to detect on the conveyer belt 4, when vertical telescoping device 8 shortens, can with it mentions to detect the product.
The second electric pulley is arranged between the two first electric pulleys 7, and one transverse sliding rail is provided with the two first electric pulleys 7 and can be provided with a plurality of second electric pulleys.
In order to prevent the clamping plate from blocking the damaged position on the packaging bag, a plurality of tubular parts are arranged on the surface of the clamping plate, the contact area of the clamping plate and the packaging bag can be reduced by the tubular parts, and through holes are formed in the contact surfaces of the tubular parts and the packaging bag, so that even if the tubular parts just contact the damaged position on the packaging bag, the through holes can conduct air guiding.
Example two
As shown in fig. 7, the working method of the wafer-type detection device for food packaging comprises the following working steps:
s101: the camera device 5 acquires the image on the conveyor belt 4 and sends the image to the processor 2;
s102: the processor 2 judges whether the product to be detected is conveyed to the lower part of the butt-clamping mechanism or not according to the image;
s103: if yes, the processor 2 outputs a clamping signal to the driving device 3, and the driving device 3 drives a group of first electric pulleys 7 to move to the left side and the right side of the conveyor belt 4 respectively;
s104: the processor 2 outputs a first extension signal to the driving device 3, and the driving device 3 drives the longitudinal expansion device 8 to extend by a first preset length;
s105: the processor 2 outputs a second extension signal to the driving device 3, and the driving device 3 drives the transverse expansion device 11 to extend by a second preset length;
s106: during the extension process of the transverse expansion device 11, the pressure sensor 13 detects the stress value of the clamping plate 12 and sends the stress value to the processor 2;
s107: the processor 2 judges whether the stress value is greater than or equal to a preset value;
s108: if yes, the processor 2 outputs a pause signal to the driving device 3, and the driving device 3 drives the transverse expansion device 11 to pause and extend;
s109: the processor 2 judges whether the clamped product to be detected has deformation conditions according to the received images;
s110: if yes, the processor 2 outputs a first rotation signal to the driving device 3, and the driving device 3 drives the first rotating device 10 to rotate backward by a preset angle;
s111: if yes, the processor 2 extracts a deformed product to be detected, outputs a clamping signal to the driving device 3, and the driving device 3 drives the clamping arm to clamp the product to be detected;
s112: the processor 2 outputs a first shortening signal to the driving device 3, and the driving device 3 drives the transverse expansion device 11 to shorten to the original length.
As shown in fig. 8, a brightness sensor detects a brightness value of the environment around the lifting frame 1 and transmits the brightness value to the processor 2;
the processor 2 determines whether the brightness value is less than or equal to a preset brightness value;
if so; the processor 2 outputs an illumination signal to the driving device 3, and the driving device 3 drives the illumination device to start.
Specifically, in S101, after the product to be detected is conveyed onto the conveyor belt 4, the image pickup device 5 acquires an image on the conveyor belt 4 and sends the image to the processor 2.
In S102, the processor 2 extracts a part of the image located below the opposite clamping mechanism from the image, and determines whether a product to be detected exists in the part of the image.
In S103, when the product to be detected just enters the lower portion of the opposite clamping mechanism, the processor 2 controls the two first electric pulleys 7 to move to the two ends of the transverse guide rail 6 respectively through the driving device 3.
In S104, the processor 2 controls the longitudinal expansion device 8 to extend a first preset length through the driving device 3, and at this time, the connecting part 9 located below the longitudinal expansion device 8 is slightly higher than the surface of the conveyor belt 4, and the transverse expansion device 11 connected to the first rotating device 10 in the connecting part 9 is also slightly higher than the surface of the conveyor belt 4.
In S105, the processor 2 controls the transverse expansion device 11 to extend a second preset length through the driving device 3, at this time, the clamping plates 12 connected to the transverse expansion device 11 move towards each other, and the product to be detected between the two clamping plates 12 is clamped.
The second preset length is one half of the width of the conveyor belt 4, and when more than one article to be detected exists on the conveyor belt 4, the actual extension amount of the transverse expansion device 11 is smaller than the second preset length.
In S106, during the extension process of the lateral expansion device 11, the pressure sensor 13 detects the acting force of the product to be detected on the clamping plate 12 in real time and sends the stress value of the clamping plate 12 to the processor 2.
In S107, a preset value is built in the processor 2, the preset value is a stress value of the clamping plate 12 in the normal clamping airtightness state, and the processor 2 determines whether the received stress value is greater than or equal to the preset value.
In S108, if the processor 2 determines that the received force value is greater than or equal to the preset value, it indicates that the product to be detected is clamped by the clamping plate 12, if the transverse expansion device 11 continues to extend, the product package may be damaged, the processor 2 controls the transverse expansion device 11 to stop extending through the driving device 3, and if the transverse expansion device 11 does not extend by the second preset length at this time, it is not necessary to continue extending.
If the processor 2 judges that the received stress value is smaller than the preset value, it indicates that the clamping plate 12 does not clamp the product to be detected.
In S109, the processor 2 controls the longitudinal expansion device 8 to shorten the first preset length through the driving device 3.
The processor 2 judges whether the clamped product to be detected has deformation according to the received image, and if the packaging bag of the product to be detected is damaged, the gas in the packaging bag can be exhausted under clamping, so that the packaging bag is deformed.
In S110, if the product to be detected has deformation, it indicates that an unqualified product exists, and the processor 2 controls the first rotating device 10 to rotate backward by a preset angle through the driving device 3, so as to separate the detected product from the product to be detected.
In S111, the position of the deformed defective product is extracted, and the gripping arm is controlled to grip the product by the driving device 3
In S112, the processor 2 controls the lateral expansion device 11 to shorten to the original length through the driving device 3, at this time, the clamping plate 12 releases the qualified product, and the qualified product continues to be conveyed along the conveyor belt 4.
The rejected products are separated by the gripper arms to a position dedicated to storing rejected products.
EXAMPLE III
As shown in fig. 9, S102 further includes:
the processor 2 outputs a second rotation signal to the driving device 3, and the driving device 3 drives the second rotating device 16 to rotate 270 degrees.
The processor 2 outputs a rising signal to the driving device 3, and the driving device 3 drives the lifting plate 18 to rise by a preset height.
Specifically, it takes a certain time for the product inspection by the clamp mechanism, during which time the undetected product may be conveyed to the qualified area along with the conveyor belt 4.
In order to avoid the above situation, when the product to be detected is sent to the conveyor belt 4, the processor 2 controls the second rotating device 16 to rotate 270 degrees through the driving device 3, at this time, the cut-off plate 17 is transversely arranged on the conveyor belt 4, the conveyor belt 4 is divided into two parts according to the position of the butt-clamping mechanism, and the undetected product cannot pass through the cut-off plate 17.
When the amount of products stacked in front of the cutoff plate 17 is excessive, the processor 2 controls the lifting plate 18 to be lifted to a preset height by the driving device 3, so that the stacked undetected products can be prevented from passing over the cutoff plate 17.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. The wafer type detection device for food packaging comprises a goods lifting frame, a conveying mechanism, a wafer mechanism and a control mechanism, and is characterized in that the control mechanism comprises a processor and a driving device, wherein the processor is connected with the driving device;
the conveying mechanism comprises a conveying belt, and the conveying belt is connected with the driving device and is used for conveying the products to be detected and the qualified products;
the goods lifting frame is arranged above the conveyor belt and comprises a camera device, and the camera device is connected with the processor and is used for acquiring images of the goods to be detected on the conveyor belt and sending the images to the processor;
the butt clamp mechanism is arranged on the goods lifting rack and comprises a transverse guide rail, a first electric pulley, a longitudinal telescopic device, a connecting part, a first rotating device, a transverse telescopic device, a clamping plate, a pressure sensor, a second electric pulley and a clamping arm, wherein the transverse guide rail is arranged right above the conveying belt, the first electric pulley and the second electric pulley are arranged on the transverse guide rail, the longitudinal telescopic device is connected with the bottom of the electric pulley, the connecting part is connected with the bottom of the longitudinal telescopic device, the connecting part is arranged in the first rotating device, the transverse telescopic device is connected with the first rotating device, the clamping plate is connected with the side surface of the transverse telescopic device, the pressure sensor is arranged in the clamping plate, and the first electric pulley, the longitudinal telescopic device, the transverse telescopic device, the clamping arm, First rotary device, second electric pulley and centre gripping arm respectively with drive arrangement is connected, first electric pulley is used for the drive vertical telescoping device is followed the transverse guide removes, vertical telescoping device is used for the drive splint longitudinal movement, horizontal telescoping device is used for the drive splint lateral shifting, first rotary device is used for the drive splint swing back and forth, second electric pulley is used for the drive the centre gripping arm is followed the transverse guide removes, the centre gripping arm is used for pressing from both sides the clamp and gets the product of waiting to detect between the two splint, pressure sensor with the treater is connected, is used for detecting the stress value of splint and will the stress value sends for the treater.
2. A wafer-type detection device for food packaging according to claim 1, characterized in that: transport mechanism still including cutting the device, cut the device set up in the side of conveyer belt, and include convex part, second rotary device and cut off the board, place in the second rotary device convex part, and with drive arrangement connects, cut off the board with the second rotary device links to each other, the second rotary device is used for the drive cut off the board and rotate.
3. A wafer-type detection device for food packaging according to claim 2, characterized in that: the cutting plate is provided with a lifting plate, and the lifting plate is connected with the driving device and used for upwards expanding the coverage range of the cutting plate.
4. A wafer-type detection device for food packaging according to claim 1, characterized in that: the clamping plate is provided with a plurality of tubular components, the front ends of the tubular components are spherical surfaces, and the centers of the spherical surfaces are provided with through holes.
5. A wafer-type detection device for food packaging according to claim 1, characterized in that: the goods lifting frame further comprises a brightness sensor and an illuminating device, the brightness sensor is connected with the processor and used for acquiring the brightness value of the surrounding environment of the clamping mechanism and sending the brightness value to the processor, and the illuminating device is connected with the driving device and used for illuminating the surrounding environment of the clamping mechanism.
6. Method of operating a wafer-type checking device for food packaging according to any one of claims 1 to 5, characterized in that it comprises the following operating steps:
s101: the camera device acquires an image on the conveyor belt and sends the image to the processor;
s102: the processor judges whether the product to be detected is conveyed to the lower part of the butt-clamping mechanism or not according to the image;
s103: if so, the processor outputs a clamping and hitting signal to the driving device, and the driving device drives a group of first electric pulleys to move to the left side and the right side of the conveying belt respectively;
s104: the processor outputs a first extension signal to the driving device, and the driving device drives the longitudinal expansion device to extend by a first preset length;
s105: the processor outputs a second extension signal to the driving device, and the driving device drives the transverse telescopic device to extend for a second preset length;
s106: in the process of extending the transverse telescopic device, the pressure sensor detects the stress value of the clamping plate and sends the stress value to the processor;
s107: the processor judges whether the stress value is greater than or equal to a preset value;
s108: if so, the processor outputs a pause signal to the driving device, and the driving device drives the transverse expansion device to pause and extend;
s109: the processor judges whether the clamped product to be detected has deformation conditions according to the received images;
s110: if so, the processor outputs a first rotation signal to the driving device, and the driving device drives the first rotating device to rotate backwards by a preset angle;
s111: if so, the processor extracts the deformed product to be detected and outputs a clamping signal to the driving device, and the driving device drives the clamping arm to clamp the product to be detected;
s112: the processor outputs a first shortening signal to the driving device, and the driving device drives the transverse telescopic device to shorten to the original length.
7. Operating method of a wafer-type detection device for food packaging according to claim 6, characterized in that: before S102, the method further includes:
the processor outputs a second rotation signal to the driving device, and the driving device drives the second rotating device to rotate 270 degrees.
8. The operating method of a wafer-type checking device for food packaging according to claim 7, characterized in that: further comprising:
the processor outputs a rising signal to the driving device, and the driving device drives the lifting plate to rise by a preset height.
9. Operating method of a wafer-type detection device for food packaging according to claim 6, characterized in that: further comprising:
the brightness sensor detects the brightness value of the environment around the goods lifting frame and sends the brightness value to the processor;
the processor judges whether the brightness value is less than or equal to a preset brightness value;
if so; the processor outputs an illumination signal to the driving device, and the driving device drives the illumination device to start.
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Application publication date: 20200508 |