CN214962231U - Automatic storing and taking device for frozen storage tubes in liquid nitrogen tank - Google Patents
Automatic storing and taking device for frozen storage tubes in liquid nitrogen tank Download PDFInfo
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- CN214962231U CN214962231U CN202120648950.0U CN202120648950U CN214962231U CN 214962231 U CN214962231 U CN 214962231U CN 202120648950 U CN202120648950 U CN 202120648950U CN 214962231 U CN214962231 U CN 214962231U
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- liquid nitrogen
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- nitrogen tank
- tank
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 250
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 119
- 239000007788 liquid Substances 0.000 title claims abstract description 109
- 238000003860 storage Methods 0.000 title description 7
- 238000007664 blowing Methods 0.000 claims abstract description 32
- 239000007789 gas Substances 0.000 claims abstract description 12
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 238000007710 freezing Methods 0.000 claims description 9
- 230000008014 freezing Effects 0.000 claims description 9
- 238000005138 cryopreservation Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 208000001034 Frostbite Diseases 0.000 abstract description 3
- 230000005574 cross-species transmission Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract 1
- 238000000151 deposition Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000002257 embryonic structure Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 210000000130 stem cell Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an automatic storing and taking device of cryopreserved pipe in liquid nitrogen tank belongs to biomedical equipment technical field. The liquid nitrogen recovery device comprises a rack, a liquid nitrogen tank, a storing and taking mechanism and a liquid nitrogen blowback mechanism, wherein the liquid nitrogen tank is arranged in the rack; the access mechanism comprises a servo motor, a rotating tray, a lifting cylinder, a push-pull cylinder and a lifting rod; the liquid nitrogen blowback mechanism comprises a nitrogen tank, an air inlet cylinder and a gas blowing cylinder. Through the utility model, an automatic storing and taking device for the cryopreserved pipes in the liquid nitrogen tank is designed, a storing and taking mechanism is composed of a servo motor, a rotating tray, a lifting cylinder, a push-pull cylinder, a lifting rod and the like, manual pipe picking can be replaced, the cryopreserved pipes can be automatically stored and taken, operators are prevented from being frostbitten, and the operation efficiency and the accuracy are improved; liquid nitrogen blowback mechanism can be blown back the liquid nitrogen of hand-basket adhesion when taking out to the liquid nitrogen jar in, avoids a large amount of liquid nitrogen to spill over and leads to operating personnel frostbite.
Description
Technical Field
The utility model relates to a cryopreserved pipe automatic storing and taking device in liquid nitrogen jar belongs to biomedical equipment technical field.
Background
The freezing storage of liquid nitrogen is one of the main methods for preserving biological cells, tissues and organs, the temperature of the liquid nitrogen reaches-196 ℃ under normal pressure, the liquid nitrogen comes from air, and the main gas components in the air comprise oxygen and nitrogen. Wherein, the nitrogen accounts for about 78.09% of the air, and the liquid nitrogen is liquefied nitrogen. Nitrogen is often used industrially because of its ultra-low temperature properties, its swellability and its asphyxiability. The liquid nitrogen tank is commonly called a biological liquid nitrogen container and can be used for medical treatment, biological research, college experiments, chromatographic experiments and epidemic prevention units. The liquid nitrogen storage type liquid nitrogen container is mainly used as a storage type liquid nitrogen container in medical treatment and scientific research, and is used for storing active biological materials such as bovine semen, embryos, stem cells, skin, internal organs, vaccines and the like indoors for a long time.
At present, the liquid nitrogen holding vessel is manual structure, and operating personnel need open the cover when selecting to freeze and deposit the pipe, stretches the hand and advances the jar body and choose the target to freeze and deposit the pipe, because often depositing more in a liquid nitrogen jar and freezing and depositing the pipe, the manual work is chosen the pipe and then need spend more time, and the temperature in the liquid nitrogen jar is extremely low, unable practical robotic arm can only adopt the manual work to choose the pipe. The manual work is chosen the pipe and is had very big risk and hidden danger, and on the one hand, artifical manual operation access cryopreserved pipe, the manual work is chosen a tub operating efficiency very low, and the error rate is also higher. On the other hand, because liquid nitrogen container and cryopreserved pipe temperature are extremely low, still adsorb a large amount of liquid nitrogen or gaseous nitrogen gas of low temperature state on the hand-basket that the manual work was taken out, not only lead to operating personnel frostbite easily, the hand-basket of depositing and withdrawing repeatedly moreover can lead to the liquid nitrogen content in the liquid nitrogen container to reduce its life in a large number, and the liquid nitrogen container has to refill the liquid nitrogen again.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a cryopreserved pipe automatic access device in liquid nitrogen tank can replace the manual work to choose the pipe, and automatic access cryopreserved pipe improves operating efficiency and accuracy, avoids the condition appearance that manual operation leads to personnel to freeze, can blow back the liquid nitrogen moreover, reduces the liquid nitrogen and leaks.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
an automatic storing and taking device for a cryopreservation tube in a liquid nitrogen tank comprises a rack, the liquid nitrogen tank, a storing and taking mechanism and a liquid nitrogen blowback mechanism, wherein the liquid nitrogen tank is arranged in the rack;
a plurality of clamping blocks which are uniformly distributed are arranged at the bottom of the liquid nitrogen tank, a plurality of baskets for placing the cryopreservation tubes are arranged in the liquid nitrogen tank, a fork hole is formed above each basket body, a clamping groove is formed below each basket body, and each basket is clamped with the clamping blocks through the clamping groove;
the access mechanism comprises a servo motor, a rotating tray, a lifting cylinder, a push-pull cylinder and a lifting rod, the servo motor is fixed at the bottom of the rack, a driving shaft of the servo motor is connected with the rotating tray, the liquid nitrogen tank is arranged on the rotating tray, the lifting cylinder is vertically arranged above the rack, the telescopic rod end of the lifting cylinder is connected with an installation plate, the push-pull cylinder is horizontally fixed on the installation plate, a slide rail is arranged on the installation plate, the telescopic rod end of the push-pull cylinder is connected with a slide block, the slide block is in sliding connection with the slide rail, the lifting rod is fixed at the bottom of the slide block and positioned above the liquid nitrogen tank, and a fork rod is fixed at the bottom end of the lifting rod;
the liquid nitrogen blowback mechanism includes nitrogen gas jar, air inlet cylinder and air blowing cylinder, the nitrogen gas jar is fixed in the frame, the nitrogen gas jar end of giving vent to anger is connected to air inlet cylinder inlet end, air inlet cylinder sets up in liquid nitrogen jar tank mouth department, and air blowing cylinder sets up at air inlet cylinder inside and both butt joint department sealing connection, forms the air cavity between air inlet cylinder inner wall and the air blowing cylinder outer wall, is equipped with a plurality of gas holes on the air blowing cylinder.
As a preferable example, the air inlet cylinder and the air blowing cylinder are both annular, and the air blowing holes are distributed on the air blowing cylinder in an annular shape.
As a preferable example, each air blowing hole is inclined, and the air outlet end of each air blowing hole converges towards the center of the opening of the liquid nitrogen tank.
As a preferable example, the lifting cylinder adopts a multi-stage hydraulic cylinder.
The utility model has the advantages that:
(1) through the utility model, an automatic storing and taking device for the cryopreserved pipes in the liquid nitrogen tank is designed, a storing and taking mechanism is composed of a servo motor, a rotating tray, a lifting cylinder, a push-pull cylinder, a lifting rod and the like, manual pipe picking can be replaced, the cryopreserved pipes can be automatically stored and taken, operators are prevented from being frostbitten, and the operation efficiency and the accuracy are improved;
(2) by the liquid nitrogen blowback mechanism consisting of the nitrogen tank, the air inlet cylinder and the air blowing cylinder, liquid nitrogen adhered to the lifting basket when the lifting basket is taken out can be blowback into the liquid nitrogen tank, so that the freezing injury of operators caused by the overflow of a large amount of liquid nitrogen is avoided, the leakage of the liquid nitrogen is reduced, the quality of the liquid nitrogen in the liquid nitrogen tank is ensured, the service life of the liquid nitrogen tank is prolonged, and the period for filling the liquid nitrogen is prolonged;
(3) through the utility model discloses, be cyclic annular with the design of a section of thick bamboo that blows, the hole of blowing distributes on a section of thick bamboo that blows annularly, and every hole of blowing all is the slope form, and the end of giving vent to anger in every hole assembles towards the jar mouthful centre of a circle department of liquid nitrogen jar, can strengthen the liquid nitrogen blowback effect, reduces the liquid nitrogen and leaks.
Drawings
Fig. 1 is a schematic view of the overall structure of the access device of the present invention;
FIG. 2 is a schematic view of the state of the access mechanism for extracting the freezing tube basket;
FIG. 3 is a schematic diagram showing a state that a liquid nitrogen blowback mechanism removes liquid nitrogen on a basket;
FIG. 4 is a schematic structural view of the liquid nitrogen container of the present invention;
FIG. 5 is a schematic view of the storing and taking mechanism and the liquid nitrogen blowback mechanism acting on the liquid nitrogen container;
FIG. 6 is a schematic structural view of the air blower of the present invention;
FIG. 7 is a first schematic structural view of the basket of the present invention;
fig. 8 is a schematic structural view of the basket of the present invention.
In the figure: 1. a frame; 101. an outer frame; 102. a base; 103. a partition plate; 2. a liquid nitrogen tank; 201. a can lid; 202. a clamping block; 3. lifting a basket; 301. a fork plate; 302. a fork hole; 303. a card slot; 4. a servo motor; 5. rotating the tray; 6. a bearing; 7. a lifting cylinder; 8. a push-pull cylinder; 9. mounting a plate; 10. a slider; 11. lifting a pull rod; 12. a fork lever; 13. a nitrogen tank; 14. an air inlet cylinder; 15. an air blower; 16. a connecting hose; 17. and (4) air blowing holes.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further described with reference to the following specific drawings and embodiments.
Example (b):
as shown in fig. 1-8, the utility model provides an automatic access arrangement of pipe is deposited in freezing of liquid nitrogen jar, including frame 1 and liquid nitrogen jar 2, in frame 1 was arranged in to liquid nitrogen jar 2, frame 1 comprises frame 101, base 102 and baffle 103, and frame 101 sets up on base 102, and the upper portion at frame 101 is installed to baffle 103, the utility model discloses still including installing access mechanism and the liquid nitrogen blowback mechanism on frame 1.
The access mechanism comprises a controller, a control switch, a servo motor 4, a rotating tray 5, a lifting cylinder 7, a push-pull cylinder 8 and a lifting rod 11, wherein the controller is respectively electrically connected with the control switch, the servo motor 4, the lifting cylinder 7 and the push-pull cylinder 8, the servo motor 4 is fixed in a base 102 at the bottom of a frame 1, a driving shaft of the servo motor 4 is fixedly connected with the rotating tray 5, a liquid nitrogen tank 2 is placed on the rotating tray 5, a bearing 6 is installed between the rotating tray 5 and the base 102, the lifting cylinder 7 is vertically installed above an outer frame 101 of the frame 1, the lifting cylinder 7 adopts a multi-stage hydraulic cylinder, a telescopic rod end of the lifting cylinder 7 is connected with a mounting plate 9, the push-pull cylinder 8 is horizontally fixed at the bottom of the mounting plate 9, a slide rail is arranged on the mounting plate 9, a telescopic rod end of the push-pull cylinder 8 is connected with a slide block 10, the slide block 10 is slidably connected with the slide rail, the lifting rod 11 is fixed at the bottom of the slide block 10 and is positioned above a tank opening of the liquid nitrogen tank 2, fork rods 12 are fixed at the bottom ends of the lifting rods 11, and the number of the fork rods 12 corresponds to that of the jacks.
Liquid nitrogen blowback mechanism includes nitrogen gas jar 13, air inlet cylinder 14 and air blowing cylinder 15, air inlet cylinder 14 all is cyclic annular with air blowing cylinder 15, air blowing cylinder 15 sets up inside air inlet cylinder 14 and both butt joints sealing connection, nitrogen gas jar 13 is fixed in frame 1, nitrogen gas jar 13 is by solenoid valve control switch, solenoid valve and controller electric connection, nitrogen gas jar 13 air outlet end is connected to air inlet cylinder 14 air inlet end, air inlet cylinder 14 sets up in liquid nitrogen jar 2 jar mouth department, form the air cavity between air inlet cylinder 14 inner wall and the air blowing cylinder 15 outer wall, be equipped with a plurality of gas blow hole 17 on air blowing cylinder 15, gas blow hole 17 is the annular distribution on air blowing cylinder 15, every gas blow hole 17 all is the slope form, and the air outlet end of every gas blow hole 17 assembles towards the liquid nitrogen jar 2 jar mouth centre of a circle department.
The working principle is as follows:
when the frozen tube needs to be extracted, a worker presses a control switch for controlling the lifting cylinder 7, the telescopic end of the lifting cylinder 7 stretches downwards to push the mounting plate 9 and the lifting rod 11 downwards, the lifting rod 11 extends into the liquid nitrogen tank 2 to a specified depth according to a specified path and a specified stroke, the height of a fork rod 12 below the lifting rod 11 is just higher than that of a fork hole 302 above the lifting basket 3, when a target lifting basket 3 is inconsistent with the current lifting basket 3, the servo motor 4 is started, a driving shaft of the servo motor 4 drives the rotating tray 5 to rotate, the rotating tray 5 rotates the liquid nitrogen tank 2 according to a specified rotating angle, a jack of the lifting basket 3 to be extracted is right opposite to the fork rod 12, at the moment, the push-pull cylinder 8 is started, the push-pull cylinder 8 extends out to drive the sliding block 10 to move on a sliding rail, meanwhile, the fork rod 12 is inserted into the fork hole 302 on the fork plate 301, then the lifting cylinder 7 is started, the telescopic rod of the lifting cylinder 7 is contracted to a certain length to lift the lifting basket 3, the push-pull cylinder 8 is started again, the push-pull cylinder 8 contracts, the lifting basket 3 is moved to the center of the liquid nitrogen tank 2, the lifting cylinder 7 is started to lift the lifting basket 3 to the tank opening of the liquid nitrogen tank 2, at the moment, the control electromagnetic valve is opened, the nitrogen tank 13 discharges nitrogen due to internal high pressure, the nitrogen passes through the connecting hose 16, the air inlet cylinder 14 and the air blowing cylinder 15 and is finally output from the air blowing hole 17, the liquid nitrogen on the lifting basket 3 is blown and removed, due to the inclined design of the air blowing hole 17, the liquid nitrogen is finally blown back into the liquid nitrogen tank 2 quickly, when the liquid nitrogen on the lifting basket 3 is basically removed, the electromagnetic valve is closed, a worker can take the needed freezing pipes safely, the situation that the worker is frostbitten does not occur, and the worker can take the freezing pipes according to the mode.
By the utility model, the access mechanism is composed of the servo motor 4, the rotary tray 5, the lifting cylinder 7, the push-pull cylinder 8, the lifting rod 11 and the like, so that manual pipe picking can be replaced, the frozen pipes can be automatically accessed, the freezing injury of operators can be avoided, and the operation efficiency and accuracy can be improved; the liquid nitrogen blowback mechanism of constituteing by nitrogen gas jar 13, air inlet section of thick bamboo 14 and air-blowing section of thick bamboo 15 can be with the liquid nitrogen of hand-basket 3 adhesion when taking out by blowback to liquid nitrogen jar 2 in, avoid a large amount of liquid nitrogen to spill over and lead to operating personnel frostbite, reduce the liquid nitrogen and leak, guarantee the liquid nitrogen quality in the liquid nitrogen jar 2, improve its life, increase fills the cycle of dress liquid nitrogen.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. An automatic storing and taking device for a cryopreservation tube in a liquid nitrogen tank comprises a rack (1) and the liquid nitrogen tank (2), wherein the liquid nitrogen tank (2) is arranged in the rack (1), and is characterized by further comprising a storing and taking mechanism and a liquid nitrogen blowback mechanism which are arranged on the rack (1);
a plurality of clamping blocks (202) which are uniformly distributed are arranged at the bottom of the liquid nitrogen tank (2), a plurality of lifting baskets (3) for placing freezing tubes are arranged in the liquid nitrogen tank (2), a fork hole (302) is arranged above a body of each lifting basket (3), clamping grooves (303) are arranged below the body of each lifting basket (3), and each lifting basket (3) is clamped with the clamping blocks (202) through the clamping grooves (303);
the access mechanism comprises a servo motor (4), a rotating tray (5), a lifting cylinder (7), a push-pull cylinder (8) and a lifting rod (11), the servo motor (4) is fixed at the bottom of the frame (1), the driving shaft of the servo motor (4) is connected with a rotating tray (5), the liquid nitrogen tank (2) is arranged on the rotary tray (5), the lifting cylinder (7) is vertically arranged above the frame (1), the telescopic rod end of the lifting cylinder (7) is connected with a mounting plate (9), the push-pull air cylinder (8) is horizontally fixed on the mounting plate (9), a slide rail is arranged on the mounting plate (9), the telescopic rod end of the push-pull air cylinder (8) is connected with a slide block (10), the slide block (10) is connected with the slide rail in a sliding way, the lifting rod (11) is fixed at the bottom of the sliding block (10) and is positioned above the liquid nitrogen tank (2), and a fork rod (12) is fixed at the bottom end of the lifting rod (11);
liquid nitrogen blowback mechanism includes nitrogen gas jar (13), air inlet section of thick bamboo (14) and blows gas barrel (15), nitrogen gas jar (13) are fixed in frame (1), and nitrogen gas jar (13) are given vent to anger and are held and be connected to air inlet section of thick bamboo (14) inlet end, air inlet section of thick bamboo (14) set up in liquid nitrogen jar (2) jar mouth department, blow gas barrel (15) set up at air inlet section of thick bamboo (14) inside and both butt joints sealing connection, form the air cavity between air inlet section of thick bamboo (14) inner wall and the outer wall of blowing gas barrel (15), are equipped with a plurality of gas blowing holes (17) on blowing gas barrel (15).
2. The automatic storing and taking device for the cryopreserved pipes in the liquid nitrogen tanks is characterized in that the air inlet cylinder (14) and the air blowing cylinder (15) are annular, and the air blowing holes (17) are distributed on the air blowing cylinder (15) in an annular mode.
3. The automatic storing and taking device for the cryopreservation tubes in the liquid nitrogen tank as claimed in claim 2, wherein each air blowing hole (17) is inclined, and the air outlet end of each air blowing hole (17) converges towards the center of the tank opening of the liquid nitrogen tank (2).
4. The automatic storing and taking device for the cryopreserved pipes in the liquid nitrogen tanks is characterized in that the lifting cylinder (7) adopts a multi-stage hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120648950.0U CN214962231U (en) | 2021-03-30 | 2021-03-30 | Automatic storing and taking device for frozen storage tubes in liquid nitrogen tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120648950.0U CN214962231U (en) | 2021-03-30 | 2021-03-30 | Automatic storing and taking device for frozen storage tubes in liquid nitrogen tank |
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| Publication Number | Publication Date |
|---|---|
| CN214962231U true CN214962231U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120648950.0U Expired - Fee Related CN214962231U (en) | 2021-03-30 | 2021-03-30 | Automatic storing and taking device for frozen storage tubes in liquid nitrogen tank |
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| CN (1) | CN214962231U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114365741A (en) * | 2022-01-25 | 2022-04-19 | 阜阳师范大学 | Sheep embryo is embryo activity save set for transplantation |
| CN114916534A (en) * | 2022-02-11 | 2022-08-19 | 南京艾拓生命科技有限公司 | Mesenchymal stem cell active factor packaging structure |
-
2021
- 2021-03-30 CN CN202120648950.0U patent/CN214962231U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114365741A (en) * | 2022-01-25 | 2022-04-19 | 阜阳师范大学 | Sheep embryo is embryo activity save set for transplantation |
| CN114365741B (en) * | 2022-01-25 | 2023-02-24 | 阜阳师范大学 | Sheep embryo is embryo activity save set for transplantation |
| CN114916534A (en) * | 2022-02-11 | 2022-08-19 | 南京艾拓生命科技有限公司 | Mesenchymal stem cell active factor packaging structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |