CN112756266A - System is examined to liquid bag lamp - Google Patents
System is examined to liquid bag lamp Download PDFInfo
- Publication number
- CN112756266A CN112756266A CN202011317215.8A CN202011317215A CN112756266A CN 112756266 A CN112756266 A CN 112756266A CN 202011317215 A CN202011317215 A CN 202011317215A CN 112756266 A CN112756266 A CN 112756266A
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- liquid bag
- feeding
- liquid
- detection
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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
- B07C5/02—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
- B07C5/34—Sorting according to other particular properties
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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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- 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
- B07C5/38—Collecting or arranging articles in groups
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a liquid bag light detection system, and belongs to the technical field of liquid bag detection. A fluid bag light inspection system comprising: the device comprises a base, a feeding module, a preprocessing module, a detection module, a discharging module and a control module, wherein the feeding module, the preprocessing module, the detection module, the discharging module and the control module are arranged on the base; the feeding module, the detection module and the discharging module surround the preprocessing module; the control module is in communication connection with the feeding module, the preprocessing module, the detection module and the discharging module respectively. The control module controls the feeding module, the preprocessing module, the detection module and the discharging module to work coordinately, so that the operations of feeding, dewatering, removing bubbles, stirring, lamp inspection, discharging and the like of the liquid bag are sequentially realized, the whole detection process is automatic and streamlined, the detection accuracy and efficiency can be improved, and the detection time and cost are greatly saved.
Description
Technical Field
The invention relates to the technical field of liquid bag detection, in particular to a liquid bag light detection system.
Background
For the detection of foreign matters in the infusion liquid, the detection rule does not contain any fixed particles or suspended matters which can be seen by naked eyes, such as precipitates, glass chips, fibers and other foreign matters, and the minimum size of the recognized foreign matters can reach 50 um. Once the unqualified product containing foreign matters is input into the body of a patient, immeasurable risks are brought to the life safety and health of the patient, and the safety and health of the infusion patient are seriously harmed.
At present, except that conventional regular liquid bottles such as ampoule bottles, penicillin bottles and the like adopt automatic detection, irregular soft infusion bag detection basically adopts manual detection, and the detection accuracy and efficiency are low.
Disclosure of Invention
The invention aims to provide a liquid bag light detection system to solve the problems of low accuracy and efficiency of the existing liquid bag detection.
The technical scheme for solving the technical problems is as follows:
a fluid bag light inspection system comprising: the device comprises a base, a feeding module, a preprocessing module, a detection module, a discharging module and a control module, wherein the feeding module, the preprocessing module, the detection module, the discharging module and the control module are arranged on the base; the feeding module, the detection module and the discharging module surround the preprocessing module; the control module is respectively in communication connection with the feeding module, the preprocessing module, the detection module and the discharging module;
a feeding module: the liquid bag picking and sorting device is used for grabbing and sorting liquid bags to be detected and conveying the liquid bags to the pretreatment module;
a preprocessing module: the device is used for carrying out water removal, vacuole removal and stirring operations on the liquid bag;
a detection module: the liquid bag is used for carrying out light inspection on impurities in the liquid bag;
a discharging module: for the delivery of acceptable and unacceptable products;
a control module: the device is used for controlling the work of the feeding module, the preprocessing module and the detection module.
According to the invention, the liquid bags to be detected and placed in a mixed and disorderly manner are grabbed and arranged through the feeding module, and the liquid bags are regularly conveyed to the pretreatment module, so that the subsequent steps of inspection and the like can be automated and streamlined; the liquid bag is in the pretreatment module, the surface water removal and the internal vacuole removal processes are carried out, the influence of the surface water and the internal vacuole on the detection is avoided, and then the impurities are suspended in the liquid after the liquid in the liquid bag is stirred, so that the subsequent detection of the impurities is facilitated; the detection module enables the liquid bag to be imaged under certain optical conditions, and the photographed image detects impurities in a kinematics and feature recognition detection mode; the detected liquid bag enters different discharging channels in the discharging module according to whether impurities exist or not; the control module enables all modules to work coordinately, automation and process of liquid bag lamp detection are achieved, accuracy and efficiency of detection can be improved, and detection time and cost are greatly saved.
Further, above-mentioned material loading module is including setting up the pan feeding conveyer belt on the base to and be close to the pan feeding conveyer belt setting snatch the robot and be used for carrying the liquid bag to the liquid bag material loading module of preliminary treatment module.
In the feeding module, the feeding conveyor belt is used for conveying the liquid bags to be detected, the liquid bags to be detected are placed on the feeding conveyor belt in an unordered mode, the grabbing robot grabs the liquid bags to be detected into the liquid bag feeding module, the liquid bag feeding module stores the liquid bags and regularly conveys the liquid bags to the preprocessing module, and therefore the problem that the whole detection process cannot be subjected to flow detection due to the liquid bags to be detected placed in an unordered mode is solved.
Further, the preprocessing module comprises: the device comprises a rotary drum arranged on a base, a fixing module arranged on the edge of the rotary drum, and a water removal module, a vacuole removal module, a first stirring module, a second stirring module and a material pushing module which are arranged around the rotary drum and are respectively in communication connection with a control module; the feeding module, the dewatering module, the vacuole removing module, the first stirring module, the second stirring module and the material pushing module are sequentially arranged around the rotary drum, and the material pushing module is close to the material storage module;
fixing the module: the fixing device is used for fixing the liquid bag and releasing the fixation of the liquid bag;
a water removal module: the water removal is used for the surface of the liquid bag;
a vacuole removal module: the liquid bag is used for removing vacuoles on the inner surface of the liquid bag;
first and second agitation modules: the liquid stirring device is used for stirring the liquid in the liquid bag to enable impurities to be in a moving state;
the material pushing module: the material pushing module is used for pushing the materials which are inspected by the lamp to the discharging module.
The liquid bag entering the pretreatment module rotates on the rotary drum, water and vacuole removing operations are sequentially carried out, then the liquid bag is stirred twice, and after each stirring, lamp inspection is carried out under different optical conditions, so that larger impurities and smaller impurities can be detected, and the accuracy of the lamp inspection is improved.
Further, the pretreatment module further comprises an anti-shaking module used for stabilizing the bottom of the liquid bag, and the anti-shaking module is located between the first stirring module and the second stirring module and between the second stirring module and the material pushing module.
The anti-shaking module is used for stabilizing the bottom of the stirred liquid bag, and can avoid the shaking or displacement of the liquid bag to cause unclear imaging during the light inspection.
Further, the detection module comprises a bright background detection module and a dark background detection module which are respectively in communication connection with the control module, and the bright background detection module and the dark background detection module respectively correspond to the anti-shake module between the first stirring module and the second stirring module and the anti-shake module between the second stirring module and the material pushing module;
bright background detection module: the device is used for detecting large impurities and opaque impurities;
dark background detection module: the device is used for detecting small impurities and impurities which are easy to scatter light.
The bright background detection module and the dark background detection module respectively correspond to different impurity types, impurities with large volume and opaque impurities, and are easy to detect under a bright background, impurities with small volume and impurities easy to scatter light are easy to detect under a dark background, and through two times of light detection with different brightness, various impurities can be detected, so that the detection accuracy is improved.
Furthermore, the discharging module comprises a qualified product discharging conveyor belt and an unqualified product discharging conveyor belt which are respectively in communication connection with the control module;
when the bright background module or the dark background module detects impurities, the liquid bag enters the unqualified product discharge conveyor belt, otherwise, the liquid bag enters the qualified product discharge conveyor belt.
Further, the control module is controlled by a PLC.
The invention has the following beneficial effects:
(1) the control module controls the feeding module, the preprocessing module, the detection module and the discharging module to work coordinately, so that the operations of feeding, dewatering, removing bubbles, stirring, lamp inspection, discharging and the like of the liquid bag are sequentially realized, the whole detection process is automatic and streamlined, the detection accuracy and efficiency can be improved, and the detection time and cost are greatly saved.
(2) According to the invention, the liquid bags placed in disorder can be grabbed into the liquid bag feeding module, and the liquid bag feeding module stores the liquid bags and regularly conveys the liquid bags to the pretreatment module, so that the problem that the whole detection process cannot realize flow detection due to the liquid bags to be detected placed in disorder is avoided.
(3) The pretreatment module effectively improves the detection accuracy of the impurities in the liquid bag through the operations of water removal, vacuole removal and stirring.
(4) The invention adopts the light detection with different brightness of the bright background detection module and the dark background detection module, and can detect various impurities, thereby improving the detection accuracy.
Drawings
FIG. 1 is a flow chart of a fluid bag light inspection system of the present invention;
FIG. 2 is a schematic structural diagram of a liquid bag light inspection system according to the present invention;
FIG. 3 is a schematic structural diagram of a double-tube liquid bag feeding device with a material storage function according to the invention;
FIG. 4 is a schematic bottom structure diagram of a double-tube liquid bag feeding device with a material storage function according to the present invention;
FIG. 5 is a schematic structural diagram of a first stopper according to the present invention;
FIG. 6 is a schematic structural diagram of a first dial of the present invention;
FIG. 7 is a schematic structural diagram of a driving assembly of the present invention;
fig. 8 is a schematic structural diagram of the double-tube liquid bag feeding device with a material storage function in use;
FIG. 9 is a schematic structural view of a shaking prevention mechanism for a bottom of a hard tube mouth soft bag according to the present invention;
FIG. 10 is a schematic structural view of a fixing assembly of the present invention;
FIG. 11 is a schematic structural view of the locking assembly of the present invention;
FIG. 12 is a schematic view of the connection between the locking assembly and the dial block of the present invention;
FIG. 13 is a schematic structural diagram of a dial block of the present invention;
FIG. 14 is a schematic structural diagram of an anti-shake assembly according to the present invention;
FIG. 15 is a schematic structural view of the anti-shaking mechanism for a bottom of a rigid-mouth soft bag according to the present invention;
fig. 16 to 18 are schematic views illustrating the use process of the spout limiting mechanism of the rigid spout liquid bag of the present invention.
In the figure: 10-a mounting frame; 20-a feeding unit; 21-a drive assembly; 22-a first stopper; 23-a second stopper; 24-a third stopper; 25-a chute; 26-a first dial; 27-a second dial; 28-poke teeth; 29-a loading end; 30-a storage end; 31-bending section; 40-feeding a conveyor belt; 50-a grabbing robot; 211-a motor; 212-a first gear; 213-a second gear; 214-third gear; 215-fourth gear; 300-a rotating drum; 310-a locking assembly; 311-card board; 312-a first locking bar; 313-a second locking bar; 314-a first card slot; 315-a second card slot; 316-a locking section; 317-connecting segment; 318-a spring; 319-connecting rod; 320-a dial block; 321-straight edge section; 322-a chamfered edge section; 330-a stop; 340-a roller; 410-a stationary component; 411-a suspension rack; 420-an anti-shake assembly; 421-a mounting seat; 422-backup plate; 423-limit surface; 424-first guide plate; 425-a second guide plate; 426-a third guide plate; 500-base.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Examples
Referring to fig. 1 and 2, a liquid bag light inspection system includes a base 500, and a feeding module, a preprocessing module, a detecting module, a discharging module and a control module disposed on the base 500. The feeding module, the detection module and the discharging module are arranged around the preprocessing module, and the control module is in communication connection with the feeding module, the preprocessing module, the detection module and the discharging module respectively. In this embodiment, the control module is controlled by a PLC.
The feeding module is used for grabbing and integrating the liquid bags to be detected and conveying the liquid bags to the pretreatment module. The feeding module comprises a feeding conveyor belt 40, a grabbing robot 50 and a liquid bag feeding module. The grabbing robot 50 grabs the liquid bags on the feeding conveyor belt 40 and places the liquid bags on the liquid bag feeding module, and the liquid bags are regularly conveyed to the pretreatment module after being arranged on the liquid bag feeding module.
In this embodiment, the liquid bag feeding module is a liquid bag feeding device with a material storage function, and referring to fig. 3 and 4, the liquid bag feeding device with the material storage function includes: the structure of the present invention includes a mounting frame 10 disposed on a base 500, and 2 feeding units 20 disposed on the mounting frame 10, where the 2 feeding units 20 are disposed side by side and symmetrically disposed along a middle portion of the mounting frame 10, and in this embodiment, only one of the feeding units 20 will be described. In other embodiments of the present invention, the number of the feeding units 20 may also be 1, 3, 4, etc.
The feeding unit 20 includes a driving assembly 21, a first stopper 22, a second stopper 23, and a third stopper 24. Drive assembly 21 installs on mounting bracket 10, first stopper 22, second stopper 23 and third stopper 24 suspend in midair in the bottom of mounting bracket 10, first stopper 22, second stopper 23 and third stopper 24 set up side by side and even interval, make between first stopper 22 and the second stopper 23 and form spout 25 between second stopper 23 and the third stopper 24 respectively, first stopper 22, second stopper 23 and the equal slope setting of third stopper 24, make spout 25 also be in the tilt state, the mouth of pipe of double-barrelled liquid bag is arranged in spout 25 after, can slide under the action of gravity.
Referring to fig. 5 and 8, the first stopper 22, the second stopper 23 and the third stopper 24 each include a feeding end 29 and a storage end 30, and the height of the feeding end 29 is smaller than that of the storage end 30. The material loading end 29 is close to the position of next process place, and material loading end 29 is close to the pretreatment module promptly, and material storage end 30 is close to the position of last process place, and material storage end 30 is close to pan feeding conveyer belt 40 promptly, snatchs robot 50 and places the mouth of pipe of double-barrelled liquid bag in spout 25, and a plurality of double-barrelled liquid bags are stored in spout 25, carry double-barrelled liquid bag to the lower pretreatment module one by one through liquid bag loading attachment.
In order to facilitate carrying on spacingly to the double-barrelled liquid bag that is close to storage end 30, effectively avoid dropping of double-barrelled liquid bag, storage end 30 is equipped with the section of bending 31 of buckling downwards, and spout 25 extends to the section of bending 31 this moment. One end of the bending section 31, which is far away from the limiting block 24, is provided with a guide inclined plane, so that the pipe orifice of the double-pipe liquid bag can conveniently enter the sliding groove 25.
In the feeding process, in order to judge whether the sliding groove 25 is provided with a double-tube liquid bag, the two sides of the sliding groove 25 corresponding to the limiting block are provided with the opposite photoelectric switches, namely each sliding groove 25 is provided with the opposite photoelectric switch at the side wall of the limiting block. When a liquid bag exists, the pipe orifice of the liquid bag can prevent light of the photoelectric switch from passing through, so that a switch signal is formed, and the control module controls the work of the driving assembly 21 through the switch signal.
In the material storage process, in order to judge whether excessive materials exist in the chute 25, the two sides of the chute 25 corresponding to the bending section 31 are also provided with the correlation type photoelectric switches, namely, the two sides of the bending section 31 of each chute 25 are also provided with the correlation type photoelectric switches. If the correlation photoelectric switch senses the existence of the material, which indicates that there is too much material in the chute 25, the control module controls the grabbing robot 50 to stop adding the material into the chute 25 according to the received signal.
Referring to fig. 6, the bottom of the first stopper 22 and the bottom of the third stopper 24 are respectively provided with a first dial 26 and a second dial 27, the first dial 26 and the second dial 27 are both connected with the driving assembly 21, the first dial 26 and the second dial 27 have the same structure and are symmetrically arranged with respect to the second stopper 23, and the moving directions of the first dial 26 and the second dial 27 are opposite under the driving of the driving assembly 21. The edges of the first dial plate 26 and the second dial plate 27 are provided with actuating teeth 28 with uniform quantity, structure and distribution, and the actuating teeth 28 of the first dial plate 26 and the second dial plate 27 respectively extend into the sliding groove 25 between the first limiting block 22 and the second limiting block 23 and the sliding groove 25 between the second limiting block 23 and the third limiting block 24. The toggle teeth 28 of the first dial plate 26 and the second dial plate 27 respectively clamp the nozzle of the double-tube liquid bag, and push the double-tube liquid bag to a position close to the feeding end 29, and the double-tube liquid bag slides into the pretreatment module under the action of gravity, so that the feeding operation is completed.
Referring to fig. 7, the driving assembly 21 includes a motor 211, a first gear 212 and a second gear 213 communicatively connected to the control module. The motor 211 is fixedly installed at the top of the installation frame 10, a motor shaft of the motor 211 is connected with a driving shaft through a coupler, the driving shaft penetrates through the first limiting block 22 and is connected with the first driving plate 26, and the first gear 212 is sleeved on the driving shaft. A transmission shaft arranged in parallel with the driving shaft is arranged on the mounting frame 10, the transmission shaft passes through the third limiting block 24 and is connected with the second driving plate 27, and the second gear 213 is sleeved on the transmission shaft. The first gear 212 is meshed with the second gear 213 through a transmission component, and under the driving of the motor 211, the rotating directions of the first gear 212 and the second gear 213 are opposite, so that the first dial plate 26 and the second dial plate 27 are driven to rotate in opposite directions, the pipe orifices of the double-pipe liquid bags are poked together through linkage between the first dial plate 26 and the second dial plate 27, and the double-pipe liquid bags are prevented from being blocked in the moving process.
In this embodiment, the transmission assembly includes a third gear 214 and a fourth gear 215 engaged with each other, the third gear 214 is engaged with the first gear 212, and the fourth gear 215 is engaged with the second gear 213, obviously, in order to ensure that the rotation directions of the first gear 212 and the second gear 213 are opposite, the number of gears in the transmission assembly may also be other values, such as the number of gears engaged in sequence is even, and the like, meanwhile, the transmission assembly may also not be provided, and the first gear 212 and the second gear 213 are directly engaged.
In other embodiments of the present invention, the driving shaft and the transmission shaft may also pass through adjacent limiting blocks respectively, for example, the driving shaft passes through the first limiting block 22, and the transmission shaft passes through the second limiting block 23, at this time, the toggle teeth 28 of the first dial 26 extend into a gap between the first limiting block 22 and the second limiting block 23, the toggle teeth 28 of the second dial 27 extend into a gap between the second limiting block 23 and the third limiting block 24, and meanwhile, the rotation directions of the first dial 26 and the second dial 27 are the same, that is, the number of gears sequentially engaged in the transmission assembly is an odd number.
The pretreatment module is used for carrying out water removal, vacuole removal and stirring operations on the liquid bag. The pretreatment module comprises a rotary drum 300, a fixing module, a water removal module, a vacuole removal module, an anti-shaking module, a first stirring module, a second stirring module and a material pushing module which are respectively in communication connection with the control module. The feeding module, the dewatering module, the vacuole removing module, the first stirring module, the second stirring module and the material pushing module are sequentially arranged around the rotary drum, the number of the anti-shaking modules is 2, one of the anti-shaking modules is located between the first stirring module and the second stirring module, and the other anti-shaking module is located between the second stirring module and the material pushing module.
The rotary drum 300 is arranged on the base 500, and the rotary drum 300 is connected with a driving motor in communication connection with the control module, and is used for enabling the rotary drum 300 to rotate on the base 500.
Referring to fig. 9, the fixing module is used for clamping and releasing the hard tube opening of the liquid bag, and the anti-shake module is used for stabilizing the bottom of the liquid bag. In this embodiment, fixed module adopts a plurality of fixed subassemblies 410 that set up at the rotary drum 300 edge, anti-shake module adopts the anti-shake subassembly 420 of dialling that sets up on base 500, fixed subassembly 410 is used for hanging the liquid bag, anti-shake subassembly 420 is used for spacing and buffering the bottom of liquid bag, make along with the liquid bag of the quick rotation of rotary drum rapidly stable, be convenient for carry out image acquisition under relative quiescent condition, and under multiframe image acquisition, can not bring the blurring of picture because of the shake of soft bag, thereby realize the foreign matter discernment of high accuracy.
Referring to fig. 10, the fixing assembly 410 includes a suspension bracket 411 and a locking assembly 310. The top of hanging up 411 is connected with the edge of rotary drum 300, the bottom of hanging up 411 is connected with locking Assembly 310, locking Assembly 310 is used for carrying on spacingly to the hard tube mouth of liquid bag, thereby hang the liquid bag, when the liquid bag of suspension carries out fast turn along with the rotary drum, displacement and shake can appear in its bottom, lead to the whole tilt state that is of liquid bag, when carrying out image acquisition to the liquid bag, can lead to the picture fuzzy, be difficult to realize the foreign matter discernment of high accuracy. In this embodiment, the number of the locking assemblies 310 suspended from the suspension rack 411 is 2. In this embodiment, the poking block 320 is used as a poking part to cooperate with the locking component 310, the poking block 320 is located inside the rotary drum 300 and is close to the material pushing module, and in the rotating process of the rotary drum 300, the poking block 320 cooperates with the locking component 310 to clamp and release the hard tube oral liquid bag by the locking component 310.
Referring to fig. 11 and 12, the locking assembly 310 includes a catch plate 311, a first locking bar 312, and a second locking bar 313. Cardboard 311 is kept away from one side of dialling piece 320 and is equipped with first draw-in groove 314 and second draw-in groove 315 side by side, and the draw-in groove is located the corresponding both sides of cardboard 311 respectively with dialling piece 320 promptly, and first draw-in groove 314 and second draw-in groove 315 are rectangular shape, with the hard tube mouth phase-match of liquid bag, the hard tube mouth of liquid bag can stretch into smoothly or stretch out in first draw-in groove 314 and the second draw-in groove 315 to the hard tube mouth of liquid bag can hang in corresponding draw-in groove in midair.
The first lock rod 312 and the second lock rod 313 are arranged side by side, the first lock rod 312 and the second lock rod 313 both comprise a locking section 316 and a connecting section 317, and the connecting part between the locking section 316 and the connecting section 317 is respectively connected with the card plate 311 in a rotating manner, i.e. the first lock rod 312 and the second lock rod 313 can rotate with the card plate 311. The locking sections 316 of the first locking rod 312 and the second locking rod 313 are respectively close to the first locking groove 314 and the second locking groove 315, the locking section 316 of the first locking rod 312 is connected with the catch plate 311 through a spring 318, the spring 318 is located on one side of the first locking rod 312 away from the second locking rod 313, when the locking section 316 of the first locking rod 312 is separated from the first locking groove 314, the spring 318 is in a stretching state, and under the action of the spring 318, the first locking rod 312 rotates, so that the locking section 316 of the first locking rod 312 seals the first locking groove 314.
The connecting sections 317 of the first locking rod 312 and the second locking rod 313 are connected through a connecting rod 319, two ends of the connecting rod 319 are respectively hinged to the first locking rod 312 and the second locking rod 313, and when the first locking rod 312 rotates, the second locking rod 313 rotates along with the first locking rod 312, so that the first clamping groove 314 and the second clamping groove 315 can be opened and closed simultaneously, and therefore the limitation and the limitation releasing of the hard pipe orifices of the liquid bags in the first clamping groove 314 and the second clamping groove 315 can be realized simultaneously. In this embodiment, the length of the connecting section 317 of the first lock bar 312 is greater than that of the connecting section 317 of the second lock bar 313, so as to avoid the interference between the movement of the shift block 320 and the first lock bar 312 caused by the contact between the shift block 320 and the second lock bar 313. In this embodiment, the roller 340 is attached to the connecting section 317 of the first lock lever 312 at a position away from the locking section 316 thereof.
In order to ensure that the hard pipe orifice of the liquid bag has a good clamping effect, in this embodiment, the stopper 330 close to the corresponding clamping groove is arranged on the clamping plate 311, namely the stoppers 330 are respectively arranged beside the first clamping groove 314 and the second clamping groove 315, the stopper 330 and the corresponding locking section 316 are located on two sides of the corresponding clamping groove, one side of the stopper 330 close to the corresponding clamping groove is provided with a fixed limiting groove (not shown), the locking section 316 is provided with a movable limiting groove (not shown) facing the corresponding clamping groove, when the clamping groove is sealed, the fixed limiting groove and the movable limiting groove limit the hard pipe orifice of the liquid bag, so that the hard pipe orifice of the liquid bag is well clamped, and the liquid bag is not easy to fall off.
Referring to fig. 13, the shifting block 320 is used as a shifting member in the present embodiment, and cooperates with the locking assembly 310 to fix and release the liquid bag. The side of the toggle block 320 close to the locking assembly 310 comprises a straight section 321 and a bevel section 322, the extending direction of the straight section 321 is consistent with the direction of the connecting line between the first clamping groove 314 and the second clamping groove 315, the direction from the bevel section 322 to the straight section 321 is consistent with the direction from the first clamping groove 314 to the second clamping groove 315, and the position connected between the straight section 321 and the bevel section 322 is provided with a transition arc section.
The straight section 321 contacts the roller 340, at this time, an included angle is formed between the straight section 321 and the connecting section 317, the spring 318 is in a stretching state, the first clamping groove 314 and the second clamping groove 315 are in an opening state, and when the straight section 321 is separated from the roller 340, under the action of the spring 318, each locking section 316 seals the corresponding first clamping groove 314 and the second clamping groove 315.
Referring to fig. 14, the anti-shake assembly 420 includes a mounting seat 421 and a backup plate 422. The mounting seat 421 is fixedly disposed on the base 500, and the mounting seat 421 is located below the locking assembly 310. The backup plate 422 is obliquely arranged from top to bottom towards the outer side of the rotary drum, and the bottom side of the backup plate 422 is fixedly connected with the mounting seat 421, so that the backup plate 422 is in a suspension device, and the backup plate 422 has certain elasticity.
The backup plate 422 comprises a limit surface 423 facing the fixing component 410, namely the top surface of the backup plate 422, and is used for contacting with the bottom of a liquid bag suspended on the locking component 310, so as to buffer and quickly stabilize the liquid bag. The two ends of the backup plate 422 are respectively provided with a first guide plate 424 and a second guide plate 425, and upward bending shapes are respectively formed between the first guide plate 424 and the backup plate 422 and between the second guide plate 425 and the backup plate 422. The first guide plate 424 and the second guide plate 425 are also suspended on the backup plate 422, and have certain elasticity. A third guide plate 426 is arranged on one side of the first guide plate 424, which is far away from the backup plate 422, and an upward bent bend is formed between the third guide plate 426 and the first guide plate 424. The first guide plate 424 and the third guide plate 426 are used for guiding the bottom of the liquid bag to the backup plate 422, and the second guide plate 425 is used for guiding the bottom of the liquid bag when the bottom of the liquid bag is separated from the backup plate 422.
In the present embodiment, arc transitions (not shown) are provided between the first guide plate 424 and the backup plate 422, between the second guide plate 425 and the backup plate 422, and between the third guide plate 426 and the first guide plate 424.
Referring to fig. 15, the anti-shaking process of the anti-shaking mechanism of the present invention for the bag bottom of the liquid bag:
(1) the hard pipe orifice of the liquid bag is hung on the locking component 310, the liquid bag rotates along with the rotation of the rotary drum, and the bottom of the liquid bag can displace and shake when the liquid bag is hung and rotates along with the rotary drum rapidly;
(2) with the continuous rotation of the drum, the bottom of the liquid bag is sequentially contacted with the third guide plate 426, the first guide plate 424 and the backup plate 422, and under the action of the third guide plate 426, the first guide plate 424 and the backup plate 422, the liquid bag is buffered and stabilized, so that the liquid bag is rapidly and relatively stationary;
(3) with the continuous rotation of the drum, the bottom of the liquid bag is in contact with the second guide plate 425, and under the action of the second guide plate 425, the liquid bag can be stably separated from the backup plate 422, so that the subsequent suspended liquid bag is ensured to have a stable state, image acquisition is facilitated in a relatively static state, and under multi-frame image acquisition, the blurring of pictures due to the shaking of the soft bag is avoided, and high-precision foreign matter identification is realized.
Referring to fig. 16 to 18, the process of limiting the hard nozzle of the liquid bag by the locking assembly 310 and the dial block 320 of the present invention:
(1) before the locking assembly 310 contacts with the toggle block 320, under the action of the spring 318, each locking section 316 seals the corresponding first clamping groove 314 and second clamping groove 315, at this time, the locking section 316 and the stopper 330 clamp the hard pipe orifice of the liquid bag, or the first clamping groove 314 and the second clamping groove 315 do not have the hard pipe orifice of the liquid bag;
(2) the locking assembly 310 rotates with the rotation of the drum 300 until the roller 340 contacts the sloped edge section 322;
(3) as the drum continues to rotate, the inclined edge section 322 gradually presses the roller 340, so that the first lock rod 312 and the second lock rod 313 rotate, and each locking section 316 gradually opens the corresponding first card slot 314 and the second card slot 315, at which time the spring 318 is gradually stretched;
(4) with the continuous rotation of the drum, the straight section 321 contacts the roller 340, and at this time, the first clamping groove 314 and the second clamping groove 315 are in a fully opened state, and the hard pipe orifice of the liquid bag is pushed out from the first clamping groove 314 and the second clamping groove 315 through the pushing member, or the hard pipe orifice of the liquid bag extends into the first clamping groove 314 and the second clamping groove 315;
(5) as the drum continues to rotate, the straight section 321 disengages from the roller 340, and the first engaging groove 314 and the second engaging groove 315 have no hard tube opening of the fluid bag under the action of the spring 318, or the hard tube opening of the fluid bag is clamped by the locking section 316 and the stopper 330.
A water removal module: and removing water on the surface of the liquid bag by using an air knife or a fan.
A vacuole removal module: and removing vacuoles on the inner surface of the liquid bag by adopting the poking and bouncing assembly.
The material pushing module adopts an air cylinder pushing mechanism, after the first clamping groove 314 and the second clamping groove 315 are opened, the liquid bag is pushed to the discharging module, and qualified products and unqualified products fall onto the corresponding conveying belts by arranging the two material pushing modules.
The first stirring module and the second stirring module are consistent in structure and function, and the shaking mechanism or the shifting mechanism is adopted to stir the liquid bag, so that liquid in the liquid bag is in a flowing state, and subsequent light inspection on the liquid bag is facilitated.
The detection module comprises a bright background detection module and a dark background detection module which are respectively in communication connection with the control module, the bright background detection module and the dark background detection module respectively correspond to an anti-shaking module between the first stirring module and the second stirring module and an anti-shaking module between the second stirring module and the material pushing module, after the first stirring module and the second stirring module stir the liquid bag, the bottom of the liquid bag is stabilized through the anti-shaking module, meanwhile, the liquid in the liquid bag is in a flowing state, and the lamp detection of impurities is facilitated;
bright background detection module: the device is used for detecting large impurities and opaque impurities;
dark background detection module: the device is used for detecting small impurities and impurities which are easy to scatter light.
The discharging module comprises a qualified product discharging conveyor belt and an unqualified product discharging conveyor belt which are respectively in communication connection with the control module, the qualified product discharging conveyor belt and the unqualified product discharging conveyor belt are close to the corresponding material pushing module, the liquid bag hung on the fixing component 410 is pushed out by the material pushing module, and the liquid bag automatically falls onto the corresponding discharging conveyor belt.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A fluid bag light inspection system, comprising: the device comprises a base (500), and a feeding module, a preprocessing module, a detection module, a discharging module and a control module which are arranged on the base (500); the feeding module, the detection module and the discharging module surround the preprocessing module; the control module is respectively in communication connection with the feeding module, the preprocessing module, the detection module and the discharging module;
the feeding module comprises: the liquid bag picking and sorting device is used for grabbing and sorting liquid bags to be detected and conveying the liquid bags to the pretreatment module;
the preprocessing module is used for: the device is used for carrying out water removal, vacuole removal and stirring operations on the liquid bag;
the detection module: the liquid bag is used for carrying out light inspection on impurities in the liquid bag;
the discharging module is characterized in that: for the delivery of acceptable and unacceptable products;
the control module: the device is used for controlling the work of the feeding module, the preprocessing module and the detection module.
2. The fluid bag light inspection system according to claim 1, wherein the feeding module comprises a feeding conveyor belt (40) disposed on the base (500), and a gripping robot (50) disposed adjacent to the feeding conveyor belt and a fluid bag feeding module for conveying fluid bags to the pre-processing module.
3. The fluid bag light inspection system of claim 1, wherein the pre-processing module comprises: the device comprises a rotary drum (300) arranged on the base (500), a fixing module arranged at the edge of the rotary drum (300), and a water removal module, a vacuole removal module, a first stirring module, a second stirring module and a material pushing module which are arranged around the rotary drum (300) and are respectively in communication connection with the control module; the feeding module, the water removal module, the liquid bubble removal module, the first stirring module, the second stirring module and the material pushing module are sequentially arranged around the rotary drum (300), and the material pushing module is close to the material storage module;
the fixing module is used for: the fixing device is used for fixing the liquid bag and releasing the fixation of the liquid bag;
the water removal module: the water removal is used for the surface of the liquid bag;
the vacuole removal module: the liquid bag is used for removing vacuoles on the inner surface of the liquid bag;
the first and second agitation modules: the liquid stirring device is used for stirring the liquid in the liquid bag to enable impurities to be in a moving state;
the material pushing module: the material pushing module is used for pushing the materials which are inspected by the lamp to the discharging module.
4. The system of claim 3, wherein the pre-processing module further comprises an anti-shake module for stabilizing a bottom of the fluid bag, the anti-shake module being located between the first and second agitation modules and between the second agitation module and the material push-out module.
5. The system according to claim 1, wherein the detection module comprises a bright background detection module and a dark background detection module, which are respectively in communication connection with the control module, and the bright background detection module and the dark background detection module respectively correspond to the anti-shake module between the first stirring module and the second stirring module and the anti-shake module between the second stirring module and the material pushing module;
the bright background detection module: the device is used for detecting large impurities and opaque impurities;
the dark background detection module: the device is used for detecting small impurities and impurities which are easy to scatter light.
6. The system for light inspection of liquid bags according to claim 5, wherein the outfeed module comprises a non-defective product outfeed conveyor belt and a non-defective product outfeed conveyor belt communicatively connected to the control module, respectively;
when the bright background module or the dark background module detects impurities, the liquid bag enters the unqualified product discharge conveyor belt, otherwise, the liquid bag enters the qualified product discharge conveyor belt.
7. The system according to any one of claims 1 to 6, wherein the control module is controlled by a PLC.
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