CN115043051B - Sealing bag unpacking device and method for novel coronavirus nucleic acid detection specimen - Google Patents

Sealing bag unpacking device and method for novel coronavirus nucleic acid detection specimen Download PDF

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Publication number
CN115043051B
CN115043051B CN202210555522.2A CN202210555522A CN115043051B CN 115043051 B CN115043051 B CN 115043051B CN 202210555522 A CN202210555522 A CN 202210555522A CN 115043051 B CN115043051 B CN 115043051B
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China
Prior art keywords
clamping plate
specimen
bag
sealing bag
infrared sensor
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CN202210555522.2A
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Chinese (zh)
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CN115043051A (en
Inventor
邹光美
黄朝任
蒋东
王海延
陈武
丘兆前
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First People's Hospital Of Yulin
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First People's Hospital Of Yulin
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Priority to CN202210555522.2A priority Critical patent/CN115043051B/en
Publication of CN115043051A publication Critical patent/CN115043051A/en
Application granted granted Critical
Publication of CN115043051B publication Critical patent/CN115043051B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • B65B69/0033—Unpacking of articles or materials, not otherwise provided for by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00—Loading or unloading
    • B65G65/005—Control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00—Loading or unloading
    • B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/32—Filling devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
    • G06M1/272—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum using photoelectric means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/02—Control or detection
    • B65G2203/0208—Control or detection relating to the transported articles
    • B65G2203/0241—Quantity of articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/04—Detection means
    • B65G2203/042—Sensors
    • B65G2203/044—Optical
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a sealing bag unpacking device and a method for a novel coronavirus nucleic acid detection specimen. The invention discloses a sealing bag unpacking device for a novel coronavirus nucleic acid detection specimen, which comprises a throwing device, a roller assembly, a conveyor belt, a clamping device, a cutting device, a blowing device, a collecting device, a PLC (programmable logic controller) and a detection unit; the throwing device is arranged above the roller assembly and is used for placing the specimen sealing bag and enabling the specimen sealing bag to slide into the roller assembly; the lower end of the roller assembly is provided with a drop port for a single drop specimen sealing bag. The invention also discloses a novel coronavirus nucleic acid detection specimen sealing bag unpacking method, which comprises the following steps: 1) The specimen containment bag is placed from the launch funnel and slid into the drum along the tube. The invention is used for unpacking and calculating the test tube and other works on the specimen sealing bag with the test tube, reduces the work load of staff, reduces staff and improves the work efficiency.

Description

Sealing bag unpacking device and method for novel coronavirus nucleic acid detection specimen
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a novel coronavirus nucleic acid detection specimen sealing bag unpacking device and method.
Background
For the areas where new cases of coronaries and asymptomatic infectors are diagnosed, large-scale nucleic acid sampling and detection work needs to be completed, and the sample quantity required to be detected by each detection point or shelter car every day is about thousands or 1 ten thousand tubes, even more tens of thousands of tubes. Usually, the collection personnel put the sample into the test tube, then put the test tube after sampling into sealed bag again, place the transfer box after the surface disinfection again. Because the number of the sample tubes is too large, the number of the sub-packaged sample sealing bags is increased, when the transported samples are sent to corresponding detection points or shelter cars, unpacking group staff is required to input a large amount of manpower according to shifts to calculate the tube number of each transport box when unpacking the sealing bags filled with test tubes, and then the sealing bags are manually unpacked and placed on a 96-hole site test tube rack. Because the sample amount is easy to calculate errors, the situation that the number of test tubes is calculated more or less often occurs, namely, the number of test tubes registered with the transfer box is in and out, in addition, the sealed bags of each sample are required to be manually disassembled, time and effort are very wasted, and various numbers are registered and checked to increase a plurality of workloads for unpacking staff, so that the work efficiency, the later detection speed and the like are influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel coronavirus nucleic acid detection specimen sealing bag unpacking device and a novel coronavirus nucleic acid detection specimen sealing bag unpacking method, which are used for unpacking a specimen sealing bag filled with test tubes and calculating the number of the specimen test tubes, so that the workload of workers can be greatly reduced, and the working efficiency is improved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention discloses a sealing bag unpacking device for a novel coronavirus nucleic acid detection specimen, which comprises a throwing device, a roller assembly, a conveyor belt, a clamping device, a cutting device, a blowing device, a collecting device, a PLC (programmable logic controller) and a detection unit; the throwing device is arranged above the roller assembly and is used for placing the specimen sealing bag and enabling the specimen sealing bag to slide into the roller assembly; the lower end of the roller assembly is provided with a dropping opening for singly dropping the specimen sealing bag; the conveyor belt is arranged below the dropping opening of the roller assembly and is used for conveying dropped specimen sealing bags; the clamping device is arranged at the tail end of the conveying direction of the conveying belt and is used for receiving the specimen sealing bags falling from the conveying belt and clamping the test tubes in the specimen sealing bags and the bag bodies below the test tubes; the cutting device is arranged at the side of the clamping device and is used for cutting the bag body below the test tube; the two collecting devices are arranged below the clamping device, one collecting device is used for collecting test tubes, and the other collecting device is used for collecting specimen sealing bags; the air blowing device is arranged between the clamping device and the collecting device and is used for blowing the specimen sealing bag into the collecting device for collecting the specimen sealing bag; the detection unit comprises a plurality of infrared sensors electrically connected with the PLC, and the infrared sensors are respectively arranged at the falling port of the roller assembly, at the tail end of the conveying direction of the conveyor belt, beside the clamping device and above the collecting device for receiving the test tube, and are used for detecting whether the specimen sealing bag or the test tube passes through or not and sending detection signals to the PLC; the PLC is electrically connected with the roller assembly, the conveyor belt, the clamping device, the blowing device and the cutting device respectively, and is used for controlling the start and stop of the roller assembly, the conveyor belt, the clamping device and the cutting device according to detection signals of the detection unit, and counting the number of the test tubes after receiving detection signals of the infrared sensor above the collecting device for receiving the test tubes.
Further, the delivery device comprises a delivery funnel and a pipe connected between the roller assembly and the delivery funnel.
Still further, the roller assembly includes a roller, a drive motor, and a paddle; the roller is arranged below the delivery funnel and above the conveyor belt, and the upper end of the roller is provided with a receiving port for receiving a specimen sealing bag with a pipeline sliding off; the wall of the roller is provided with a dropping opening, and the dropping opening can pass through a specimen sealing bag independently; the stirring paddle is arranged in the roller, the driving motor is arranged at the side of the roller, and the rotating shaft of the driving motor is connected with the center of the stirring paddle and is used for driving the stirring paddle to rotate in the roller.
Still further, the clamping device comprises a transition plate, a fixed plate, a first clamping plate, a second clamping plate, a third clamping plate, a first air cylinder, a second air cylinder and a third air cylinder; the transition plate is arranged below the tail end of the conveyor belt, the first clamping plate is arranged below the transition plate, the fixed plate is arranged opposite to the transition plate and the first clamping plate, and the plate surfaces of the first clamping plate and the fixed plate are used for clamping the test tube; the first air cylinder is arranged on one side of the first clamping plate, which is far away from the fixed plate, and the end part of a piston rod of the first air cylinder is fixedly connected with the plate surface of the first clamping plate; the second clamping plate and the third clamping plate are respectively arranged below the first clamping plate and the fixing plate, and the plate surfaces of the second clamping plate and the third clamping plate are used for clamping a specimen sealing bag at the lower end of the test tube; the second cylinder and the third cylinder are respectively arranged on the side edges of the second clamping plate and the third clamping plate, a piston rod of the second cylinder is connected with the plate surface of the second clamping plate, a piston rod of the third cylinder is connected with the plate surface of the third clamping plate, and the second cylinder and the third cylinder are used for pushing the second clamping plate and the third clamping plate to move in opposite directions.
Still further, the cutting assembly comprises a servo motor, a shaft coupling, a screw rod nut, a cutter, a sliding block and a sliding rail; the servo motor is arranged at the outer side of the third clamping plate and is positioned at one end of the third clamping plate, one end of the screw rod is connected with the rotating shaft of the servo motor through the coupler, and the other end of the screw rod is positioned at the other end of the third clamping plate; the screw rod nut is arranged on the rod body of the screw rod, and the screw rod nut can do linear motion on the screw rod by rotating the screw rod; the sliding block is arranged at the side edge of the screw rod nut, which is close to the third clamping plate, the sliding rail is arranged between the third clamping plate and the screw rod, and the sliding block is embedded into the sliding rail and can slide on the sliding rail; the cutter sets up on the slider, and the face upper end of second splint and third splint sets up the straight line hole that is used for passing the cutter tip, and the length of slide rail and the length in straight line hole equals the length of wire pole, and the tip of cutter is penetrated the straight line hole of second splint by the straight line hole of third splint.
Still further, the collecting device comprises a first collecting basket and a second collecting basket, and the blowing device comprises a blower; the first collecting basket is arranged right below the second clamping plate and the third clamping plate and is used for collecting dropped test tubes; the second collecting basket is arranged beside the first collecting basket; the hair-dryer sets up between first collection basket and second splint, and the mouth of blowing just is to the thing mouth of intaking of second collection basket for with the sealed bag of sample that drops blow in the second collection basket.
Still further, the overhead of first collection basket sets up the leading truck, and the leading truck includes the deflector of polylith "V" font, and the deflector opening sets up down, has the clearance of passing the test tube between two adjacent deflector.
Still further, the PLC controller includes a PLC controller, a first infrared sensor, a second infrared sensor, a third infrared sensor, and a fourth infrared sensor; the PLC is electrically connected with the first infrared sensor, the second infrared sensor, the third infrared sensor, the fourth infrared sensor, the driving motor, the conveyor belt, the first cylinder, the second cylinder, the third cylinder, the blower and the servo motor respectively; the first infrared sensor is arranged below the roller falling opening and is positioned beside the conveying belt; the second infrared sensor is arranged at the tail end of the conveyor belt; the third infrared sensor is arranged between the first clamping plate and the tail end of the fixing plate; the fourth infrared sensor is disposed in the gap between adjacent guide plates.
Further, the unpacking device also comprises a support frame, a box cover, a display screen and an operation button; the roller assembly, the conveying belt, the clamping device, the cutting device and the blowing device are all arranged on the supporting frame, and the box cover is covered outside the supporting frame; one side of the roller is provided with an opening, the opening is close to the side wall of the box cover, the side wall of the box cover is provided with a through hole corresponding to the opening of the roller, and the through hole is provided with a roller cover for sealing the opening of the roller; the cylinder cover is provided with a delivery port connected with the pipeline; the display screen, the operation button and the PLC controller are all arranged on the side wall of the box cover, and the display screen and the operation button are respectively and electrically connected with the PLC controller.
Secondly, on the basis of the device, the invention also discloses a method for unpacking the sealing bag of the novel coronavirus nucleic acid detection specimen, which comprises the following steps:
1) Placing the specimen with the sealed bag from the delivery funnel and sliding the specimen into the roller along the pipeline;
2) Pressing an operation button, switching on a power supply, starting a driving motor, a conveyor belt and a blower, and driving the stirring paddle to rotate by the driving motor;
3) The stirring paddle stirs the specimen sealing bag in the roller, so that the specimen sealing bag falls from the falling opening;
4) The first infrared sensor detects that the specimen rice sealing bag falls, a detection signal is sent to the PLC, and the PLC controls the driving motor to stop working;
5) The conveyor belt conveys the dropped specimen sealing bag, the specimen sealing bag is separated from the detection range of the first infrared sensor, and the PLC controller controls the driving motor to continuously work;
6) The specimen sealing bag falls between the first clamping plate and the fixed plate from the tail end of the conveyor belt, the lower ends of the first clamping plate and the fixed plate clamp the test tube part, the bag body at the lower end of the test tube is positioned between the second clamping plate and the third clamping plate, meanwhile, the second infrared sensor detects that the specimen sealing bag passes through, a detection signal is sent to the PLC controller, and the PLC controller controls the driving motor and the conveyor belt to stop working;
7) The third infrared sensor detects a specimen sealing bag positioned between the first clamping plate and the fixed plate, sends a detection signal to the PLC, and the PLC controls the second air cylinder and the third air cylinder to push the second clamping plate and the third clamping plate to move towards one side of the specimen sealing bag in a opposite direction and clamp a bag body at the lower end of the test tube; meanwhile, the PLC controls the servo motor to work, the servo motor drives the screw rod to rotate, the cutter moves from one end of the linear hole to the other end, and the bag body at the lower end of the test tube is cut;
8) After the cutter cuts the bag body, the PLC controller controls the servo motor to stop working, the PLC controller controls the first cylinder, the second cylinder and the third cylinder to move to one side far away from the specimen sealing bag, the bag body at the lower end of the test tube, the test tube and the bag body at the upper end of the test tube drop in sequence, the bag body at the lower end and the bag body at the upper end are blown into the second collecting basket after passing through the blower, the test tube drops to the guide frame, and the test tube drops to the first collecting basket from the guide frame;
9) After the test tube is separated from the detection range of the third infrared sensor, the third infrared sensor sends a signal to the PLC controller, and the PLC controller controls the driving motor and the conveyor belt to work and the first cylinder to reset and returns to the step 3); meanwhile, after the fourth infrared sensor detects that the test tube passes through the gap between the guide plates, a detection signal is sent to the PLC, and the PLC counts and displays the test tube on the display screen.
The beneficial effects of the invention are as follows:
the invention provides a novel coronavirus nucleic acid detection specimen sealing bag unpacking device and a novel coronavirus nucleic acid detection specimen sealing bag unpacking method, which are characterized in that a specimen sealing bag with test tubes to be unpacked is put into a roller assembly from a throwing device, and under the cooperation of the roller assembly, a conveyor belt, a clamping device, a cutting device, a blowing device, a collecting device, a PLC (programmable logic controller), a detection unit and other components, the unpacking of the specimen sealing bag with test tubes and the work of calculating and checking the number of the test tubes can be completed, so that the workload of unpacking group staff is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of fig. 1 with the cover omitted.
Fig. 3 is a schematic view of the structure of the dispensing device and the drum assembly of the present invention.
Fig. 4 is a schematic view of the structure of the clamping device and the cutting device of the present invention.
Fig. 5 is a schematic structural view of the collecting device and the blower device of the present invention.
Fig. 6 is a functional block diagram of the present invention.
Fig. 7 is a rear view of fig. 1.
The reference numerals in the figures are: 1. a support frame; 11. a mounting plate; 12. placing a plate; 2. a case cover; 21. a through hole; 31. throwing a funnel; 32. a pipe; 41. a roller; 42. a driving motor; 43. stirring paddles; 431. a steel ring; 432. a cross; 433. a stirring rod; 44. a drop port; 45. a cylinder cover; 5. a conveyor belt; 61. a transition plate; 62. a fixing plate; 63. a first clamping plate; 64. a second clamping plate; 65. a third clamping plate; 66. a first cylinder; 67. a second cylinder; 68. a third cylinder; 69. a straight hole; 71. a servo motor; 72. a coupling; 73. a screw rod; 74. a screw nut; 75. a cutter; 76. a slide block; 77. a slide rail; 81. a first collection basket; 811. a guide frame; 812. a guide plate; 813. a roller; 82. a second collection basket; 821. a material inlet; 822. a drawer; 83. a handle; 91. a blower; 10. a PLC controller; 20. a first infrared sensor; 30. a second infrared sensor; 40. a third infrared sensor; 50. a fourth infrared sensor; 60. a display screen; 70. the button is operated.
Detailed Description
The present invention is described below with reference to the accompanying drawings, and the specific embodiments described herein are for illustrating and explaining the present invention, not for limiting the present invention, and various modifications and improvements made by those skilled in the art to which the present invention pertains without departing from the spirit of the design of the present invention, should fall within the scope of the present invention.
As shown in fig. 1 to 7, the unpacking device for the sealing bag of the novel coronavirus nucleic acid detection specimen of the present embodiment comprises a supporting frame 1, a box cover 2, a throwing device, a roller assembly, a conveyor belt 5, a clamping device, a cutting device, a blowing device, a collecting device and a PLC controller 10.
Wherein, be provided with polylith mounting panel 11 and place board 12 on the support frame 1 for support and place throwing device, cylinder subassembly, conveyer belt 5, clamping device, cutting device, blast apparatus and collection device. The case cover 2 is used for covering the support frame 1 and plays a certain role in protection.
The throwing device is arranged above the roller assembly and is used for placing the specimen sealing bag and enabling the specimen sealing bag to slide into the roller assembly. In particular, the delivery device comprises a delivery funnel 31 and a conduit 32 connected between the drum assembly and the delivery funnel 31.
The lower end of the roller assembly is provided with a drop port 44 for individual drop specimen containment bags. Specifically, the drum assembly includes a drum 41, a drive motor 42, and a paddle 43. The cylinder 41 sets up in the below of putting in funnel 31 and the top of conveyer belt 5, and the one side opening of cylinder 41, its opening is pressed close to in the lateral wall of case lid 2, and the lateral wall of case lid 2 is equipped with through-hole 21 corresponding to the cylinder 41 opening, is provided with sealed cylinder 41 open-ended cover 45 on the through-hole 21, and the one end border of cover 45 is articulated with the border of the through-hole 21 of case lid 2, and the other end border is connected through hasp structure detachable with the border of through-hole 21. A receiving port connected to the pipe 32 is provided above the cap 45. The lower end wall of the drum 41 is provided with a drop port 44, and the drop port 44 can be used for sealing the bag by a specimen alone. The stirring rake 43 sets up in cylinder 41, and stirring rake 43 includes steel ring 431, cross 432 and puddler 433, and steel ring 431 sets up in cylinder 41 one side of sealing, and cross 432 sets up in the center of steel ring 431, and its four tip all are connected with the interior limit of steel ring 431, and puddler 433 is equipped with a plurality of, and the tip and the side fixed connection of steel ring 431 of puddler 433, the other end extends to cylinder 41 open-ended one side. The driving motor 42 is arranged at the side of the roller 41, and the rotating shaft of the driving motor is connected with the center of the cross 432 and is used for driving the stirring rod 433 to rotate in the roller 41, so that the specimen sealing bags are prevented from being stacked at the falling opening 44 of the roller 41, and the specimen sealing bags can be smoothly fallen.
The conveyor belt 5 is disposed below the drop port 44 of the roller assembly for conveying dropped specimen containment bags. The conveyor belt 5 of the present embodiment is a tool for carrying objects, which is common in life, and conveys objects in a direction from left to right. The conveyor belt 5 has a relatively low conveying speed, and when suddenly stopped, the sealed specimen bags on the conveyor belt 5 cannot be displaced.
The clamping device is arranged at the tail end of the conveying direction of the conveying belt 5 and is used for receiving the specimen sealing bags falling from the conveying belt 5 and clamping the test tubes in the sealing bags and the bag bodies below the test tubes. Specifically, the clamping device includes a transition plate 61, a fixed plate 62, a first clamping plate 63, a second clamping plate 64, a third clamping plate 65, a first air cylinder 66, a second air cylinder 67, and a third air cylinder 68. The transition plate 61 is disposed below the end of the conveyor belt 5, the first clamping plate 63 is disposed below the transition plate 61, the fixing plate 62 is disposed opposite to the transition plate 61 and the first clamping plate 63, and the plate surface between the first clamping plate 63 and the fixing plate 62 is used for clamping test tubes. The transition plate 61 functions to smoothly introduce the specimen sealing bag between the first clamping plate 63 and the fixing plate 62. The first air cylinder 66, the second air cylinder 67 and the third air cylinder 68 are all common air cylinders in life, and mainly comprise a cylinder body, a piston and a piston rod, wherein one end of the piston rod extends out of the cylinder body and can linearly and repeatedly move along the axial direction of the cylinder body. The first cylinder 66 is disposed on a side of the first clamping plate 63 away from the fixing plate 62, i.e., a side facing away from the fixing plate 62, and an end of a piston rod of the first cylinder 66 is fixedly connected to a plate surface of the first clamping plate 63. The second clamping plate 64 and the third clamping plate 65 are respectively arranged below the first clamping plate 63 and the fixed plate 62, and the plate surface between the second clamping plate 64 and the third clamping plate 65 is used for clamping a specimen sealing bag at the lower end of the test tube. The second air cylinder 67 and the third air cylinder 68 are respectively arranged at the side edges of the second clamping plate 64 and the third clamping plate 65, a piston rod of the second air cylinder 67 is connected with the plate surface of the second clamping plate 64, a piston rod of the third air cylinder 68 is connected with the plate surface of the third clamping plate 65, and the second air cylinder 67 and the third air cylinder 68 are used for pushing the second clamping plate 64 and the third clamping plate 65 to move towards each other, wherein the opposite movement refers to movement towards an intermediate position between the second clamping plate 64 and the third clamping plate 65 or movement towards an intermediate position between the second clamping plate 64 and the third clamping plate 65. In the initial state, the gap between the first clamping plate 63 and the fixing plate 62 cannot pass through the test tube, but can pass through the portion of the bag under the test tube, and the second clamping plate 64 and the third clamping plate 65 are not in the clamped state.
The cutting device is arranged at the side of the clamping device and is used for cutting the bag body below the test tube. Specifically, the cutting device includes a servo motor 71, a coupling 72, a screw 73, a screw nut 74, a cutter 75, a slider 76, and a slide rail 77. The servo motor 71 is installed at the outer side of the third clamping plate 65 and is located at one end of the third clamping plate 65, one end of the screw rod 73 is connected with the rotating shaft of the servo motor 71 through the coupler 72, and the other end of the screw rod 73 is located at the other end of the third clamping plate 65. The screw nut 74 is mounted on the shaft of the screw 73, and rotating the screw 73 causes the screw nut 74 to perform a linear motion on the screw 73. The sliding block 76 is arranged on the side edge of the screw nut 74, which is close to the third clamping plate 65, the sliding rail 77 is arranged between the third clamping plate 65 and the screw 73, and the sliding block 76 is embedded in the sliding rail 77 and can slide on the sliding rail 77. The cutter 75 is arranged on the sliding block 76, the upper ends of the plate surfaces of the second clamping plate 64 and the third clamping plate 65 are provided with linear holes 69 for penetrating through the end parts of the cutter 75, the length of the sliding rail 77 and the length of the linear holes 69 are equal to the length of the wire rods 73, and the end parts of the cutter 75 penetrate into the linear holes 69 of the second clamping plate 64 through the linear holes 69 of the third clamping plate 65. The knife 75 may be a sharp blade, and the initial state of the knife 75 is at one end of the linear bore 69, and the knife 75 is set to operate for one cycle of the servo motor 71 as it moves from one end of the linear bore 69 to the other. After the cutter 75 cuts the bag at the lower end of the test tube, the cut bag is divided into two parts, and the test tube can fall from the cutting opening.
The collecting device is provided with two collecting devices which are arranged below the clamping device, wherein one collecting device is used for collecting test tubes, and the other collecting device is used for collecting specimen sealing bags. Specifically, the collecting device includes a first collecting basket 81 and a second collecting basket 82, and the first collecting basket 81 is disposed directly under the second clamping plate 64 and the third clamping plate 65 for collecting the dropped test tubes. The second collecting basket 82 is disposed at a side of the first collecting basket 81. The second collecting basket 82 is provided with an inlet 821 near the side of the first collecting basket 81, and the opposite side of the inlet 821 is provided with a vent. The first collection basket 81 is provided with a guide frame 811 on the upper side, the guide frame 811 includes a plurality of V-shaped guide plates 812, the guide plates 812 are arranged with openings facing downward, and a gap for passing through the test tube is provided between two adjacent guide plates 812. The side walls of the first collecting basket 81 and the second collecting basket 82 are respectively provided with a handle 83, the lower end of the first collecting basket 81 is provided with a roller 813, the second collecting basket 82 is provided with a drawer 822, and the drawer 822 is used for accommodating cut specimen sealing bags.
The blowing device is arranged between the clamping device and the collecting device and is used for blowing the specimen sealing bag into the collecting device for collecting the specimen sealing bag. Specifically, the blower is a blower 91 disposed between the first collecting basket 81 and the second clamping plate 64 with the blower opening facing the inlet 821 of the second collecting basket 82 for blowing the dropped specimen sealing bag into the second collecting basket 82, and the blower 91 blows air that can blow the specimen sealing bag but cannot blow the test tube.
The PLC is electrically connected with the roller assembly, the conveyor belt 5, the clamping device, the cutting device and the blowing device respectively and is used for controlling the start and stop of the roller assembly, the conveyor belt 5, the clamping device, the blowing device and the cutting device.
The detection unit includes a first infrared sensor 20, a second infrared sensor 30, a third infrared sensor 40, and a fourth infrared sensor 50. The infrared sensors in this embodiment are all active infrared sensors, and include a light emitting diode and a receiver, and when an object passes through or approaches the sensor, the infrared rays emitted by the light emitting diode are reflected from the object to the receiver and detected by the receiver, and the detection signal can be sent to the PLC controller 10 for processing. The PLC controller 10 is electrically connected to the first infrared sensor 20, the second infrared sensor 30, the third infrared sensor 40, the fourth infrared sensor 50, the driving motor 42, the conveyor belt 5, the first cylinder 66, the second cylinder 67, the third cylinder 68, the blower 91, and the servo motor 71, respectively. A corresponding control program is provided in the PLC controller 10. The first infrared sensor 20 is disposed below the drop port 44 of the drum 41 and beside the conveyor belt 5, and serves to detect whether the specimen sealing bag is dropped from the drop port 44 and transmit a corresponding detection signal to the PLC controller 10. The second infrared sensor 20 is disposed at the end of the conveyor belt 5, and is used for detecting whether a specimen sealing bag passes through or not, and transmitting a corresponding detection signal to the PLC controller 10. The third infrared sensor 40 is disposed between the first clamping plate 63 and the end of the fixing plate 62, and is used for detecting whether a test tube exists between the first clamping plate 63 and the fixing plate 62, and transmitting a corresponding detection signal to the PLC controller 10. The fourth infrared sensor 50 is provided with a plurality of gaps respectively disposed between the adjacent guide plates 812, and is used for detecting whether a test tube passes through the gaps between the adjacent guide plates 812, and transmitting corresponding detection signals to the PLC controller 10.
The PLC controller 10 is disposed on a side wall of the case cover 2, and the side wall of the case cover 2 is further provided with a display screen 60 and an operation button 70, and the display screen 60 and the operation button 70 are electrically connected with the PLC controller 10, respectively. The operation button 70 is mainly used to turn on and off the power supply, and causes the driving motor 42, the conveyor belt 5, the blower 91, the first cylinder 66, the second cylinder 67, the third cylinder 68, the blower 91, and the servo motor 71 to obtain the operation voltage.
On the basis of the device, the unpacking method of the unpacking device comprises the following steps:
1) Placing the specimen containment bag from the launch funnel 31 and sliding it along the tube 32 into the drum 41;
2) Pressing the operation button 70, turning on the power supply, and starting the driving motor 42, the conveyor belt 5 and the blower 91, the driving motor 42 driving the stirring paddle 43 to rotate;
3) The stirring paddle 43 stirs the specimen sealing bag in the drum 41, and drops the specimen sealing bag from the drop port 44;
4) The first infrared sensor 20 detects that the specimen sealing bag falls, sends a detection signal to the PLC controller 10, and the PLC controller 10 controls the driving motor 42 to stop working;
5) The conveyor belt 5 conveys the dropped specimen sealing bag, the specimen sealing bag 5 is separated from the detection range of the first infrared sensor 20, and the PLC controller 10 controls the driving motor 42 to continue to work;
6) The specimen sealing bag falls between the first clamping plate 63 and the fixed plate 62 from the tail end of the conveyor belt 5, the lower ends of the first clamping plate 63 and the fixed plate 62 clamp the test tube part, the bag body at the lower end of the test tube is positioned between the second clamping plate 64 and the third clamping plate 65, meanwhile, the second infrared sensor 30 detects that the specimen sealing bag passes through and sends a detection signal to the PLC controller 10, and the PLC controller 10 controls the driving motor 42 and the conveyor belt 5 to stop working;
7) The third infrared sensor 40 detects the specimen sealing bag positioned between the first clamping plate 63 and the fixed plate 62, sends detection signals to the PLC controller 10, and the PLC controller 10 controls the second air cylinder 67 and the third air cylinder 68 to push the second clamping plate 64 and the third clamping plate 65 to move towards one side of the specimen sealing bag in opposite directions and clamp the bag body at the lower end of the test tube; simultaneously, the PLC 10 controls the servo motor 71 to work, the servo motor 71 drives the screw rod 73 to rotate, the cutter 75 moves from one end of the linear hole 69 to the other end, and the bag body below the test tube is cut;
8) After the cutter 75 cuts the bag body, the PLC controller 10 controls the servo motor 71 to stop working, the PLC controller 10 controls the first air cylinder 66, the second air cylinder 67 and the third air cylinder 68 to move to one side far away from the specimen sealing bag, the bag body below the test tube, the test tube and the bag body at the upper end of the test tube drop in sequence, the bag body at the lower end and the bag body at the upper end are blown into the second collecting basket 82 after passing through the blower 91, the test tube drops to the guide frame 811, and then drops to the first collecting basket 81 through the guide frame 811;
9) After the test tube is separated from the detection range of the third infrared sensor 40, the third infrared sensor 40 sends a signal to the PLC controller 10, and the PLC controller 10 controls the driving motor 42 and the conveyor belt 5 to work and the first cylinder 66 to reset, and returns to step 3); meanwhile, after the fourth infrared sensor 50 detects that the test tube passes through the gap between the guide plates 812, a detection signal is transmitted to the PLC controller 10, and the PLC controller 10 counts, and when one test tube drops, the number is increased by one and displayed on the display screen 60.
In summary, according to the unpacking device and the unpacking method for the novel coronavirus nucleic acid detection specimen sealing bag provided by the invention, the specimen sealing bag with the test tubes to be unpacked is placed into the roller assembly from the throwing device, and under the cooperation of the roller assembly, the conveyor belt 5, the clamping device, the cutting device, the blowing device, the collecting device, the PLC 10 and other components, the unpacking and the counting of the number of the test tubes of the specimen sealing bag with the test tubes can be completed, so that the workload of unpacking group workers is reduced, and the working efficiency is greatly improved.

Claims (10)

1. The utility model provides a novel coronavirus nucleic acid detects sealed bag unpacking device of sample which characterized in that: comprises a throwing device, a roller assembly, a conveyor belt, a clamping device, a cutting device, a blowing device, a collecting device, a PLC controller and a detecting unit; wherein,,
the throwing device is arranged above the roller assembly and is used for placing the specimen sealing bag and enabling the specimen sealing bag to slide into the roller assembly;
the lower end of the roller assembly is provided with a dropping opening for singly dropping the specimen sealing bag;
the conveyor belt is arranged below the dropping opening of the roller assembly and is used for conveying dropped specimen sealing bags;
the clamping device is arranged at the tail end of the conveying direction of the conveying belt and is used for receiving the specimen sealing bags falling from the conveying belt and clamping the test tubes in the specimen sealing bags and the bag bodies below the test tubes;
the cutting device is arranged at the side of the clamping device and is used for cutting the bag body below the test tube;
the two collecting devices are arranged below the clamping device, one collecting device is used for collecting test tubes, and the other collecting device is used for collecting specimen sealing bags;
the air blowing device is arranged between the clamping device and the collecting device and is used for blowing the specimen sealing bag into the collecting device for collecting the specimen sealing bag;
the detection unit comprises a plurality of infrared sensors electrically connected with the PLC, and the plurality of infrared sensors are respectively arranged at the falling port of the roller assembly, at the tail end of the conveying direction of the conveyor belt, beside the clamping device and above the collecting device for receiving test tubes, and are used for detecting whether the specimen sealing bag or the test tube passes through or not and sending detection signals to the PLC;
the PLC is electrically connected with the roller assembly, the conveyor belt, the clamping device, the blowing device and the cutting device respectively, and is used for controlling the start and stop of the roller assembly, the conveyor belt, the clamping device and the cutting device according to detection signals of the detection unit, and counting the number of the test tubes after receiving detection signals of the infrared sensor above the collecting device for receiving the test tubes.
2. The unpacking device for a sealed bag of a novel coronavirus nucleic acid detection specimen according to claim 1, wherein: the delivery device comprises a delivery funnel and a pipeline connected between the roller assembly and the delivery funnel.
3. The unpacking device for a sealed bag of a novel coronavirus nucleic acid detection specimen according to claim 2, wherein: the roller assembly comprises a roller, a driving motor and a stirring paddle; the roller is arranged below the delivery funnel and above the conveyor belt, and the upper end of the roller is provided with a receiving port for receiving a specimen sealing bag with a pipeline sliding off; the wall of the roller is provided with a dropping opening, and the dropping opening can independently pass through a specimen sealing bag; the stirring paddle is arranged in the roller, the driving motor is arranged at the side of the roller, and the rotating shaft of the driving motor is connected with the center of the stirring paddle and is used for driving the stirring paddle to rotate in the roller.
4. The unpacking device for a sealed bag of a nucleic acid-detecting specimen according to claim 3, wherein: the clamping device comprises a transition plate, a fixed plate, a first clamping plate, a second clamping plate, a third clamping plate, a first air cylinder, a second air cylinder and a third air cylinder; the transition plate is arranged below the tail end of the conveyor belt, the first clamping plate is arranged below the transition plate, the fixed plate is arranged opposite to the transition plate and the first clamping plate, and the plate surfaces of the first clamping plate and the fixed plate are used for clamping the test tube; the first air cylinder is arranged on one side of the first clamping plate, which is far away from the fixed plate, and the end part of a piston rod of the first air cylinder is fixedly connected with the plate surface of the first clamping plate; the second clamping plate and the third clamping plate are respectively arranged below the first clamping plate and the fixing plate, and the plate surfaces of the second clamping plate and the third clamping plate are used for clamping a specimen sealing bag at the lower end of the test tube; the second cylinder and the third cylinder are respectively arranged on the side edges of the second clamping plate and the third clamping plate, a piston rod of the second cylinder is connected with the plate surface of the second clamping plate, a piston rod of the third cylinder is connected with the plate surface of the third clamping plate, and the second cylinder and the third cylinder are used for pushing the second clamping plate and the third clamping plate to move in opposite directions.
5. The unpacking device for a sealed bag of a novel coronavirus nucleic acid detection specimen as recited in claim 4, wherein: the cutting device comprises a servo motor, a coupler, a screw rod nut, a cutter, a sliding block and a sliding rail; the servo motor is arranged at the outer side of the third clamping plate and is positioned at one end of the third clamping plate, one end of the screw rod is connected with the rotating shaft of the servo motor through the coupler, and the other end of the screw rod is positioned at the other end of the third clamping plate; the screw rod nut is arranged on the rod body of the screw rod, and the screw rod nut can do linear motion on the screw rod by rotating the screw rod; the sliding block is arranged on the side edge of the screw rod nut, which is close to the third clamping plate, the sliding rail is arranged between the third clamping plate and the screw rod, and the sliding block is embedded into the sliding rail and can slide on the sliding rail; the cutter sets up on the slider, and the face upper end of second splint and third splint sets up the straight line hole that is used for passing the cutter tip, and the length of slide rail and the length in straight line hole equals the length of wire pole, and the tip of cutter is penetrated the straight line hole of second splint by the straight line hole of third splint.
6. The unpacking device for a sealed bag of a novel coronavirus nucleic acid detection specimen as recited in claim 5, wherein: the collecting device comprises a first collecting basket and a second collecting basket, and the blowing device comprises a blower; the first collecting basket is arranged right below the second clamping plate and the third clamping plate and is used for collecting dropped test tubes; the second collecting basket is arranged beside the first collecting basket; the hair-dryer sets up between first collection basket and second splint, and the mouth of blowing just is to the thing mouth of intaking of second collection basket for with the sealed bag of sample that drops blow in the second collection basket.
7. The unpacking device for a sealed bag of a novel coronavirus nucleic acid detection specimen as recited in claim 6, wherein: the upper side of the first collecting basket is provided with a guide frame, the guide frame comprises a plurality of V-shaped guide plates, the opening of each guide plate is downward, and a gap penetrating through the test tube is reserved between two adjacent guide plates.
8. The unpacking device for a sealed bag of a novel coronavirus nucleic acid detection specimen as recited in claim 7, wherein: the detection unit comprises a first infrared sensor, a second infrared sensor, a third infrared sensor and a fourth infrared sensor; the PLC is respectively and electrically connected with the first infrared sensor, the second infrared sensor, the third infrared sensor, the fourth infrared sensor, the driving motor, the conveyor belt, the first cylinder, the second cylinder, the third cylinder and the servo motor; the first infrared sensor is arranged below the roller falling opening and is positioned beside the conveyor belt; the second infrared sensor is arranged at the tail end of the conveyor belt; the third infrared sensor is arranged between the first clamping plate and the tail end of the fixing plate; the fourth infrared sensor is disposed in the gap between adjacent guide plates.
9. The unpacking device for a sealed bag of a novel coronavirus nucleic acid detection specimen as recited in claim 8, wherein: the portable electronic device also comprises a support frame, a box cover, a display screen and a plurality of operation buttons; the roller assembly, the conveyor belt, the clamping device, the cutting device and the blowing device are all arranged on the supporting frame, and the box cover is covered outside the supporting frame; one side of the roller is provided with an opening, the opening is close to the side wall of the box cover, the side wall of the box cover is provided with a through hole corresponding to the opening of the roller, and the through hole is provided with a roller cover for sealing the opening of the roller; the cylinder cover is provided with a delivery port connected with the pipeline; the display screen, the operation button and the PLC controller are all arranged on the side wall of the box cover, and the display screen and the operation button are respectively and electrically connected with the PLC controller.
10. A unpacking method of the sealed bag unpacking device for a novel coronavirus nucleic acid detection specimen, which is characterized in that: the method comprises the following steps:
1) Placing the specimen sealing bag from the delivery funnel and sliding the specimen sealing bag into the roller along the pipeline;
2) Pressing an operation button, switching on a power supply, starting a driving motor, a conveyor belt and a blower, and driving the stirring paddle to rotate by the driving motor;
3) The stirring paddle stirs the specimen sealing bag in the roller, so that the specimen sealing bag falls from the falling opening;
4) The first infrared sensor detects that the specimen sealing bag falls, a detection signal is sent to the PLC, and the PLC controls the driving motor to stop working;
5) The conveyor belt conveys the dropped specimen sealing bag, the specimen sealing bag is separated from the detection range of the first infrared sensor, and the PLC controller controls the driving motor to continuously work;
6) The specimen sealing bag falls between the first clamping plate and the fixed plate from the tail end of the conveyor belt, the lower ends of the first clamping plate and the fixed plate clamp the test tube part, the bag body at the lower end of the test tube is positioned between the second clamping plate and the third clamping plate, meanwhile, the second infrared sensor detects that the specimen sealing bag passes through and sends a detection signal to the PLC controller, and the PLC controller controls the driving motor and the conveyor belt to stop working;
7) The third infrared sensor detects a specimen sealing bag positioned between the first clamping plate and the fixed plate, sends a detection signal to the PLC, and the PLC controls the second air cylinder and the third air cylinder to push the second clamping plate and the third clamping plate to move towards one side of the specimen sealing bag in a opposite direction and clamp a bag body at the lower end of the test tube; meanwhile, the PLC controls the servo motor to work, the servo motor drives the screw rod to rotate, the cutter moves from one end of the linear hole to the other end, and the bag body at the lower end of the test tube is cut;
8) After the cutter cuts the bag body, the PLC controller controls the servo motor to stop working, the PLC controller controls the first cylinder, the second cylinder and the third cylinder to move to one side far away from the specimen sealing bag, the bag body at the lower end of the test tube, the test tube and the bag body at the upper end of the test tube drop in sequence, the bag body at the lower end and the bag body at the upper end of the test tube are blown into the second collecting basket after passing through the blower, the test tube drops to the guide frame, and then drops to the first collecting basket through the guide frame;
9) After the test tube is separated from the detection range of the third infrared sensor, the third infrared sensor sends a signal to the PLC controller, and the PLC controller controls the driving motor and the conveyor belt to work and the first cylinder to reset and returns to the step 3); meanwhile, after the fourth infrared sensor detects that the test tube passes through the gap between the guide plates, a detection signal is sent to the PLC, and the PLC counts and displays the test tube on the display screen.
CN202210555522.2A 2022-05-19 2022-05-19 Sealing bag unpacking device and method for novel coronavirus nucleic acid detection specimen Active CN115043051B (en)

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