CN115069427A - Centrifugal liquid separating device for test tubes - Google Patents
Centrifugal liquid separating device for test tubes Download PDFInfo
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- CN115069427A CN115069427A CN202210566256.3A CN202210566256A CN115069427A CN 115069427 A CN115069427 A CN 115069427A CN 202210566256 A CN202210566256 A CN 202210566256A CN 115069427 A CN115069427 A CN 115069427A
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- centrifugal
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- 239000007788 liquid Substances 0.000 title claims abstract description 120
- 238000012360 testing method Methods 0.000 title claims abstract description 104
- 238000000926 separation method Methods 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims description 66
- 238000007789 sealing Methods 0.000 claims description 28
- 238000005086 pumping Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000007791 liquid phase Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 10
- 230000009471 action Effects 0.000 abstract description 8
- 238000005119 centrifugation Methods 0.000 abstract description 8
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000001612 separation test Methods 0.000 abstract description 2
- 239000010902 straw Substances 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
- B04B5/0407—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles
- B04B5/0414—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles comprising test tubes
- B04B5/0421—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles comprising test tubes pivotably mounted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/02—Electric motor drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
- B04B5/0407—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles
- B04B2005/0435—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles with adapters for centrifuge tubes or bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B2007/005—Retaining arms for gripping the stationary part of a centrifuge bowl or hold the bowl itself
Abstract
The invention relates to a liquid separating device, in particular to a centrifugal liquid separating device for a test tube. Need design one kind and conveniently carry on spacingly to the test tube in the centrifugation divides liquid test, do not influence the test tube centrifugation that divides liquid effect and divide liquid device. The utility model provides a centrifugal liquid device that divides of inspection test tube, is including unable adjustment base, support chassis and separation carousel etc. unable adjustment base lower part rigid coupling has the support chassis, is connected with the separation carousel that is used for placing the test tube through bolted connection's mode in the unable adjustment base. When the servo motor works, the separation turntable also drives the centrifugal weight block to rotate, the centrifugal weight block can move downwards while rotating under the action of centrifugal force, the positioning spring is compressed, and the centrifugal weight block drives the positioning short shaft to move inwards through the clamping vertical rod, so that the transverse push plate moves inwards to drive the test tube to clamp and limit, and therefore, the test tube is conveniently limited in a centrifugal liquid separation test without influencing the liquid separation effect.
Description
Technical Field
The invention relates to a liquid separating device, in particular to a centrifugal liquid separating device for a test tube.
Background
Centrifugation devices are one of the basic separation instruments in biological laboratories and are commonly used to separate the solid and liquid phases of colloidal solutions.
Patent application CN211887443U, discloses a test tube centrifugation device comprising: a frame; the lower end of the rotating shaft is in transmission connection with the rotating driving device, and the upper end of the rotating shaft is provided with a plurality of supporting rods; the test tube rack is provided with a plurality of mounting holes for test tubes to extend into; the top of the box body is provided with an opening, the number of the box bodies is multiple, the box body is arranged between any two adjacent supporting rods, and the box body is rotatably connected with the two supporting rods; the sliding block, each box body is connected with the sliding block through a first connecting rod respectively, one end of each first connecting rod is hinged with the sliding block, the other end of each first connecting rod is hinged with the corresponding box body, the hinged point of the first connecting rod and the box body is located below the pivot, two limiting rings used for limiting the position of the sliding block are further arranged on the rotating shaft, and the sliding block is arranged between the two limiting rings. By the arrangement, the test tube centrifugal device provided by the invention has the advantages that the test tubes are placed and taken out by taking the test tube rack as a unit, the operation is simpler and faster, the auxiliary time required by the test can be shortened, and the test efficiency is improved. Although the device operation is simpler swift, can shorten experimental required assistance-time, nevertheless in the centrifugation divides liquid test, fail to carry on spacingly to the test tube, and the test tube produces easily and drops or removes, and the influence divides liquid effect.
Based on the defect that exists among the prior art, we provide one kind and conveniently carry on spacingly to the test tube in the centrifugation divides liquid test, do not influence the test tube centrifugation that divides liquid effect and divide liquid device.
Disclosure of Invention
In order to overcome the defects that the test tube cannot be limited in a centrifugal liquid separating test, the test tube is easy to drop or move and the liquid separating effect is influenced, the invention provides the test tube centrifugal liquid separating device which is convenient to limit the test tube in the centrifugal liquid separating test and does not influence the liquid separating effect.
The invention is realized by the following technical approaches:
the utility model provides a centrifugal liquid device that divides of inspection test tube, including unable adjustment base, support the chassis, the separation carousel, the test tube, divide the liquid straw, a drawing liquid section of thick bamboo, the hose, rotary mechanism and drawing liquid mechanism, unable adjustment base lower part rigid coupling has the support chassis, the mode through bolted connection is connected with the separation carousel that is used for placing the test tube in the unable adjustment base, three test tubes have been placed at the interval on the separation carousel, separation carousel upper portion interval rigid coupling has a three drawing liquid section of thick bamboo, drawing liquid section of thick bamboo bottom is connected with the hose, be equipped with the rotary mechanism that is used for rotatory branch liquid between unable adjustment base and the separation carousel and the drawing liquid section of thick bamboo, the last gliding style of drawing liquid mechanism is equipped with divides the liquid straw, divide liquid straw and hose intercommunication.
Furthermore, the rotating mechanism comprises a servo motor, a driving shaft, reversing bevel gears, a transmission vertical shaft, a driving gear and an outer gear ring, the servo motor is arranged in the middle of the rear portion of the fixed base, the driving shaft is connected to an output shaft of the servo motor, the transmission vertical shaft is rotatably arranged in the middle of the front portion of the fixed base, the reversing bevel gears are fixedly connected to the lower portion of the transmission vertical shaft and the front portion of the driving shaft, the two reversing bevel gears are mutually meshed, the driving gear is fixedly connected to the upper portion of the transmission vertical shaft, the outer gear ring is arranged on the lower portion of the separation turntable in an embedded mode, and the outer gear ring is meshed with the driving gear.
Further, drawing liquid mechanism is including electric putter, the lift stand, the triangle locating plate, first hydraulic rod, location bottom block and spring fixture block, the middle mode through bolted connection of unable adjustment base is connected with electric putter, be connected with the lift stand on electric putter's the telescopic link, lift stand upper portion rotary type is equipped with the triangle locating plate, drawing liquid section of thick bamboo slidingtype is equipped with first hydraulic rod, first hydraulic rod and triangle locating plate fixed connection, three location bottom block has been placed to separation carousel upper portion interval slidingtype, location bottom block and branch liquid straw sliding connection, the gliding style is equipped with two spring fixture blocks on the location bottom block, spring fixture block and separation carousel contact.
Further, the test tube clamping device comprises a clamping mechanism for limiting the test tube, the clamping mechanism comprises centrifugal weights, a positioning spring, a first limiting roller, a clamping vertical rod, a transverse moving push plate, a first reset guide pillar, a first reset spring and a positioning short shaft, three centrifugal weights are arranged on the lower portion of the separation turntable at intervals in a sliding mode, adjacent centrifugal weights are in contact with the test tube, the positioning spring is arranged between the bottom of each centrifugal weight and the inside of the separation turntable, two clamping vertical rods are arranged on each centrifugal weight in a rotating mode, the first limiting roller is arranged on the lower portion of each clamping vertical rod in a rotating mode, the positioning short shaft is arranged on the upper portion of each clamping vertical rod in a rotating mode, two first reset guide pillars are arranged on the positioning short shaft in a sliding mode, the transverse moving push plate is sleeved on the positioning short shaft on the outer side of the transverse moving push plate, the first reset guide pillars are sleeved with the first reset springs, one ends of the first reset springs are connected with the transverse moving push plate, the other end of the first return spring is connected with the positioning short shaft.
Further, the device comprises a sealing mechanism for sealing the test tube, the sealing mechanism comprises a sealing top cover, a transverse connecting plate, second reset guide columns, second reset springs, a positioning soft rope, second limiting idler wheels, a positioning connecting plate, a third reset guide column and a third reset spring, the middle part of the liquid separating suction pipe is fixedly connected with the sealing top cover for sealing the test tube, the upper part of the separation rotary disc is fixedly connected with six second reset guide columns at intervals, every two second reset guide columns form a group, the transverse connecting plate is arranged between every two second reset guide columns in a sliding mode, the adjacent transverse connecting plates are fixedly connected with the sealing top cover, the second reset guide columns are sleeved with second reset springs, one end of each second reset spring is connected with the transverse connecting plate, the other end of each second reset spring is connected with the separation rotary disc, the three second limiting idler wheels are arranged at intervals at the upper part of the separation rotary disc, the middle part of the lower parts of the lifting upright columns is fixedly connected with the third reset guide column, the third resets and is equipped with the location even board on the guide pillar slidable formula, and location even board and lift stand sliding connection, the outside interval rigid coupling of location even board has three location soft ropes, and the location soft rope is walked around adjacent spacing gyro wheel of second and is connected with the sideslip even board, and the cover is equipped with third reset spring on the guide pillar that resets of third, and third reset spring one end is connected with the even board of location, and the third reset spring other end is connected with the lift stand.
Further, the separating device comprises a separating mechanism for separating the liquid separating suction pipe from the test tube, the separating mechanism comprises a first hydraulic cylinder, a liquid guide pipe, a second hydraulic push rod, a connecting short block, a connecting guide pipe, a second hydraulic cylinder, a third hydraulic push rod, a fixed transverse block and a positioning guide frame, three first hydraulic cylinders are fixedly connected to the lower portion of the separating turntable at intervals, the liquid guide pipe is connected to the lower portion of each first hydraulic cylinder, the second hydraulic push rod is arranged in the first hydraulic cylinder in a sliding mode, the connecting short block is fixedly connected to the bottom end of the second hydraulic push rod, the adjacent connecting short blocks are fixedly connected with the centrifugal weight, the second hydraulic cylinder is fixedly connected to the middle portion of the positioning bottom block, the connecting guide pipe is connected to the lower portion of the second hydraulic cylinder and communicated with the liquid guide pipe, the third hydraulic push rod is arranged in the second hydraulic cylinder in a sliding mode, the fixed transverse block is fixedly connected to the upper portion of the third hydraulic push rod, and the positioning guide frame for driving the liquid separating suction pipe to move is arranged on the fixed transverse block, the positioning guide frame is positioned in the positioning bottom block and is fixedly connected with the liquid separation suction pipe.
Further, still including being used for conveniently getting the mechanism of putting of getting of taking the test tube, get and put the mechanism including location rubber tyer and fixed quarter butt, separation carousel lower part interval rotary type is equipped with three fixed quarter butt, and fixed quarter butt middle part rigid coupling has the location rubber tyer that is used for the direction to the test tube.
Furthermore, the device also comprises a rubber block, and the inner side surfaces of the transverse push plates at the front side and the rear side are fixedly connected with the rubber block.
The invention has the remarkable advantages that:
1. when the servo motor works, the separation turntable also drives the centrifugal weight block to rotate, the centrifugal weight block can move downwards while rotating under the action of centrifugal force, the positioning spring is compressed, and the centrifugal weight block drives the positioning short shaft to move inwards through the clamping vertical rod, so that the transverse push plate moves inwards to drive the test tube to clamp and limit, and therefore, the test tube is conveniently limited in a centrifugal liquid separation test without influencing the liquid separation effect.
2. Under the action of the sealing mechanism, the transverse moving connecting plate drives the sealing top cover to move downwards to cover the test tube, so that the test tube is in a vacuum state and is beneficial to subsequent liquid separation.
3. Under the action of the taking and placing mechanism, the positioning rubber wheel plays a role in guiding the test tube, so that people can take the test tube more smoothly, and thus, people can take the test tube more smoothly.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a first partial cross-sectional structural schematic of the present invention.
Fig. 3 is a schematic cross-sectional structural view of the rotating mechanism of the present invention.
Fig. 4 is a first partial sectional structural schematic view of the liquid pumping mechanism of the present invention.
Fig. 5 is an enlarged schematic view of part a of the present invention.
FIG. 6 is a second partial sectional view of the pumping mechanism of the present invention.
FIG. 7 is a second partial sectional structural schematic of the present invention.
Fig. 8 is a first partial cross-sectional structural schematic view of the clamping mechanism of the present invention.
Fig. 9 is a second partially cross-sectional structural view of the clamping mechanism of the present invention.
Fig. 10 is a first partial sectional structural view of the seal mechanism of the present invention.
Fig. 11 is a second partial sectional structural view of the sealing mechanism of the present invention.
Fig. 12 is a third partial sectional structural view of the present invention.
Fig. 13 is a first partial cross-sectional structural schematic view of the detachment mechanism of the present invention.
Fig. 14 is an enlarged view of part B of the present invention.
Fig. 15 is a second partial cross-sectional structural schematic view of the detachment mechanism of the present invention.
Fig. 16 is a schematic cross-sectional structural view of the pick and place mechanism of the present invention.
In the reference symbols: 1_ stationary base, 2_ supporting base frame, 3_ separating turntable, 4_ test tube, 5_ separating pipette, 6_ pipette, 61_ flexible tube, 7_ rotary mechanism, 71_ servo motor, 72_ driving shaft, 73_ reverse bevel gear, 74_ driving shaft, 75_ driving gear, 76_ external gear ring, 8_ pipette mechanism, 81_ electric push rod, 82_ lifting column, 83_ cam plate, 84_ first hydraulic push rod, 85_ positioning bottom block, 86_ spring clamping block, 9_ clamping mechanism, 91_ centrifugal weight, 92_ positioning spring, 93_ first limit roller, 94_ clamping vertical rod, 95_ horizontal moving push plate, 96_ first return guide column, 97_ first return spring, 98_ positioning short shaft, 99_ rubber block, 10_ sealing mechanism, 101_ sealing top cover, 102_ horizontal moving connecting plate, 103_ second return guide column, 104_ second return spring, 105_ positioning soft rope, 106_ second limiting roller, 107_ positioning connecting plate, 108_ third resetting guide post, 109_ third resetting spring, 11_ disengaging mechanism, 111_ first hydraulic cylinder, 112_ liquid guide tube, 113_ second hydraulic push rod, 114_ connecting short block, 115_ connecting guide tube, 116_ second hydraulic cylinder, 117_ third hydraulic push rod, 118_ fixing cross block, 119_ positioning guide frame, 12_ picking and placing mechanism, 121_ positioning rubber wheel and 122_ fixing short rod.
Detailed Description
The invention is further explained by combining the drawings in the specification and the embodiments of the invention are given by combining the drawings in the specification.
Example 1
A centrifugal liquid separating device for test tubes comprises a fixed base 1, a supporting base frame 2, a separating turntable 3, test tubes 4, liquid separating suction pipes 5, liquid pumping cylinders 6, hoses 61, a rotary mechanism 7 and a liquid pumping mechanism 8, wherein the supporting base frame 2 is fixedly connected to the lower portion of the fixed base 1, the separating turntable 3 for placing the test tubes 4 is connected to the inside of the fixed base 1 in a bolt connection mode, three test tubes 4 are placed on the separating turntable 3 at intervals, the three liquid pumping cylinders 6 are fixedly connected to the upper portion of the separating turntable 3 at intervals, the hoses 61 are connected to the bottoms of the liquid pumping cylinders 6, the rotary mechanism 7 is arranged between the fixed base 1 and the separating turntable 3, the rotary mechanism 7 can realize centrifugal liquid separation, the liquid pumping mechanism 8 is arranged between the fixed base 1 and the separating turntable 3 as well as the liquid pumping cylinder 6, the liquid separating suction pipes 5 are slidably arranged on the liquid pumping mechanism 8, and the liquid separating suction pipes 5 are communicated with the hoses 61, the liquid pumping mechanism 8 can realize liquid phase pumping by matching with the liquid separating suction pipe 5.
As shown in fig. 2 and 3, the rotating mechanism 7 includes a servo motor 71, a driving shaft 72, a reversing bevel gear 73, a transmission vertical shaft 74, a driving gear 75 and an outer gear ring 76, the servo motor 71 is disposed in the middle of the rear portion of the fixed base 1, the driving shaft 72 is connected to an output shaft of the servo motor 71, the transmission vertical shaft 74 is rotatably disposed in the middle of the front portion of the fixed base 1, the reversing bevel gear 73 is fixedly connected to the lower portion of the transmission vertical shaft 74 and the front portion of the driving shaft 72, the two reversing bevel gears 73 are engaged with each other, the driving gear 75 is fixedly connected to the upper portion of the transmission vertical shaft 74, the outer gear ring 76 is embedded in the lower portion of the separation turntable 3, and the outer gear ring 76 is engaged with the driving gear 75.
As shown in fig. 2, fig. 4, fig. 5 and fig. 6, the liquid pumping mechanism 8 includes an electric push rod 81, a lifting upright post 82, a triangular positioning plate 83, a first hydraulic push rod 84, a positioning bottom block 85 and a spring clamping block 86, the middle of the fixing base 1 is connected with the electric push rod 81 through a bolt connection mode, the lifting upright post 82 is connected on a telescopic rod of the electric push rod 81, the triangular positioning plate 83 is rotatably arranged on the upper portion of the lifting upright post 82, the liquid pumping cylinder 6 is internally provided with the first hydraulic push rod 84 in a sliding mode, the first hydraulic push rod 84 is fixedly connected with the triangular positioning plate 83, three positioning bottom blocks 85 are arranged on the upper portion of the separation turntable 3 in a sliding mode at intervals, the positioning bottom blocks 85 are slidably connected with the liquid separation suction pipe 5, two spring clamping blocks 86 are slidably arranged on the positioning bottom blocks 85, and the spring clamping blocks 86 are in contact with the separation turntable 3.
Firstly, an operator pulls out the positioning bottom block 85 from the separation turntable 3, the spring fixture block 86 slides out from the separation turntable 3, then the test tube 4 filled with a proper amount of liquid is placed on the separation turntable 3, then the positioning bottom block 85 is inserted back to the separation turntable 3, the spring fixture block 86 can be clamped into the separation turntable 3, the spring fixture block 86 limits the positioning bottom block 85, the servo motor 71 is started, the servo motor 71 drives the driving shaft 72 to rotate, the driving shaft 72 rotates to drive the transmission vertical shaft 74 to rotate through the reversing bevel gear 73, the transmission vertical shaft 74 rotates to drive the driving gear 75 to rotate, the driving gear 75 rotates to drive the outer gear ring 76 to rotate, the outer gear ring 76 rotates to drive the separation turntable 3 to rotate, the separation turntable 3 rotates to drive the test tube 4 to rotate to carry out centrifugal liquid separation treatment, after the centrifugal liquid separation of the test tube 4 is finished, the servo motor 71 is turned off, the driving shaft 72 stops driving the transmission vertical shaft 74 to rotate through the reversing bevel gear 73, the separation turntable 3 stops rotating, then the telescopic rod of the electric push rod 81 is started to extend, the telescopic rod of the electric push rod 81 extends to drive the lifting upright post 82 to move upwards, the lifting upright post 82 moves upwards to drive the triangular positioning plate 83 to move upwards, the triangular positioning plate 83 moves upwards to drive the first hydraulic push rod 84 to move upwards, the first hydraulic push rod 84 moves upwards to pump the liquid phase on the upper portion of the test tube 4 into the liquid pumping cylinder 6 through the hose 61 and the liquid separation suction tube 5, then the test tube 4 is taken out according to the operation to perform subsequent treatment on the solid phase, the telescopic rod of the electric push rod 81 is started to contract and reset, the lifting upright post 82 drives the first hydraulic push rod 84 to move downwards through the triangular positioning plate 83 to reset, then the liquid is discharged through the hose 61 and the liquid separation suction tube 5, and people collect the subsequent treatment through the collection container.
Example 2
On the basis of embodiment 1, as shown in fig. 7-9, the present invention further comprises a clamping mechanism 9, the clamping mechanism 9 comprises three centrifugal weights 91, a positioning spring 92, a first limiting roller 93, a clamping vertical rod 94, a lateral sliding push plate 95, a first return guide post 96, a first return spring 97 and a positioning short shaft 98, the lower portion of the separation turntable 3 is provided with three centrifugal weights 91 at intervals in a sliding manner, adjacent centrifugal weights 91 are in contact with the test tube 4, the positioning spring 92 is arranged between the bottom of each centrifugal weight 91 and the inside of the separation turntable 3, the centrifugal weights 91 are respectively provided with two rotary clamping vertical rods 94, the lower portion of each clamping vertical rod 94 is respectively provided with a first limiting roller 93 in a rotary manner, the upper portions of the clamping vertical rods 94 are respectively provided with a positioning short shaft 98 in a rotary manner, two first return guide posts 96 are arranged on the positioning short shaft 98, the lateral sliding push plate 95 is arranged between the two first return guide posts 96, the transverse moving push plate 95 can clamp and limit the test tube 4, the outer side of the transverse moving push plate 95 is sleeved on the positioning short shaft 98, the first reset guide pillar 96 is sleeved with a first reset spring 97, one end of the first reset spring 97 is connected with the transverse moving push plate 95, and the other end of the first reset spring 97 is connected with the positioning short shaft 98.
The device also comprises a rubber block 99, and the inner side surfaces of the transverse push plates 95 at the front side and the rear side are fixedly connected with the rubber block 99.
As shown in fig. 7, 10 and 11, the sealing device 10 further comprises a sealing mechanism 10, the sealing mechanism 10 comprises a sealing top cover 101, a transverse moving connecting plate 102, a second reset guide post 103, a second reset spring 104, a positioning soft rope 105, a second limiting roller 106, a positioning connecting plate 107, a third reset guide post 108 and a third reset spring 109, the middle part of the liquid separating suction pipe 5 is fixedly connected with the sealing top cover 101, the sealing top cover 101 can seal the test tube 4, the upper part of the separating turntable 3 is fixedly connected with six second reset guide posts 103 at intervals, every two second reset guide posts 103 are in a group, a sliding transverse moving connecting plate 102 is arranged between each group of second reset guide posts 103, the adjacent transverse moving connecting plates 102 are fixedly connected with the sealing top cover 101, the second reset guide posts 103 are sleeved with the second reset springs 104, one end of each second reset spring 104 is connected with the transverse moving connecting plate 102, the other end of each second reset spring 104 is connected with the separating turntable 3, three second limiting rollers 106 are rotatably arranged at the upper part of the separation turntable 3 at intervals, a third reset guide post 108 is fixedly connected to the middle of the lower part of the lifting upright 82, a positioning connecting plate 107 is slidably arranged on the third reset guide post 108, the positioning connecting plate 107 is slidably connected with the lifting upright 82, three positioning soft ropes 105 are fixedly connected to the outer part of the positioning connecting plate 107 at intervals, the positioning soft ropes 105 are connected with the transverse moving connecting plate 102 by bypassing the adjacent second limiting rollers 106, a third reset spring 109 is sleeved on the third reset guide post 108, one end of the third reset spring 109 is connected with the positioning connecting plate 107, and the other end of the third reset spring 109 is connected with the lifting upright 82.
As shown in fig. 12-15, the separating mechanism 11 further comprises a separating mechanism 11, the separating mechanism 11 comprises a first hydraulic cylinder 111, a liquid guide tube 112, a second hydraulic push rod 113, a connecting short block 114, a connecting guide tube 115, a second hydraulic cylinder 116, a third hydraulic push rod 117, a fixed transverse block 118 and a positioning guide frame 119, three first hydraulic cylinders 111 are fixedly connected to the lower portion of the separating turntable 3 at intervals, the liquid guide tube 112 is connected to the lower portion of the first hydraulic cylinder 111, the second hydraulic push rod 113 is slidably arranged in the first hydraulic cylinder 111, the connecting short block 114 is fixedly connected to the bottom end of the second hydraulic push rod 113, the adjacent connecting short blocks 114 are fixedly connected to the centrifugal weight 91, the second hydraulic cylinder 116 is fixedly connected to the middle portion of the positioning bottom block 85, the connecting guide tube 115 is connected to the lower portion of the second hydraulic cylinder 116, the connecting guide tube 115 is communicated with the liquid guide tube 112, the third hydraulic push rod 117 is slidably arranged in the second hydraulic cylinder 116, the upper portion of the third hydraulic push rod 117 is fixedly connected to the fixed transverse block 118, be equipped with location guide 119 on the fixed horizontal piece 118, location guide 119 can realize driving test tube 4 and remove, and location guide 119 is located the bottom block 85 in the location, location guide 119 and branch liquid 5 fixed connection of suction tube.
When the servo motor 71 works, the separation turntable 3 rotates to drive the centrifugal weight 91 to rotate, due to the action of centrifugal force, the centrifugal weight 91 rotates and moves downwards, the positioning spring 92 is compressed, the centrifugal weight 91 moves downwards to drive the clamping upright post 94 to swing inwards, the first limiting roller 93 plays a role in guiding, the clamping upright post 94 swings inwards to drive the positioning short shaft 98 to move inwards, the positioning short shaft 98 moves inwards to drive the transverse moving push plate 95 to move inwards, the transverse moving push plate 95 moves inwards to drive the rubber block 99 to move inwards, the rubber block 99 moves inwards to clamp and limit the test tube 4, the first return spring 97 plays a role in buffering, so that the test tube 4 is prevented from dropping during work, after the centrifugal liquid separation of the test tube 4 is completed, the servo motor 71 is closed, the separation turntable 3 stops driving the centrifugal weight 91 to rotate, and the centrifugal weight 91 moves upwards to reset due to the action of the positioning spring 92, the clamping upright rod 94 also drives the transverse push plate 95 to move outwards and reset through the positioning short shaft 98, so that the test tube 4 can be prevented from falling off during work.
Firstly, an operator starts the telescopic rod of the electric push rod 81 to extend, the lifting upright 82 moves upwards to drive the third reset guide post 108 to move upwards, the third reset guide post 108 moves upwards to drive the positioning connecting plate 107 to move upwards, the third reset spring 109 plays a role of buffering, the positioning connecting plate 107 moves upwards to drive the transverse moving connecting plate 102 to move upwards through the positioning soft rope 105, the second reset spring 104 is compressed, the second limit roller 106 plays a role of guiding, the transverse moving connecting plate 102 moves upwards to drive the sealing top cover 101 to move upwards, then the test tube 4 filled with a proper amount of liquid is placed on the separation turntable 3, the telescopic rod of the electric push rod 81 is started to contract and reset, the lifting upright 82 drives the positioning connecting plate 107 to move downwards through the third reset guide post 108 to reset and reset, at the moment, the positioning soft rope 105 is in a relaxed state, due to the action of the second reset spring 104, the transverse moving connecting plate 102 drives the sealing top cover 101 to move downwards to cover the test tube 4, thereby test tube 4 forms vacuum state, is favorable to follow-up separation liquid, and test tube 4 centrifugation divides liquid to accomplish afterwards, according to above-mentioned operation take out test tube 4 can, so, can be favorable to follow-up separation liquid.
When the servo motor 71 works, the separation turntable 3 rotates to drive the centrifugal weight 91 to rotate, due to the action of centrifugal force, the centrifugal weight 91 rotates and moves downwards, the centrifugal weight 91 moves downwards to drive the connecting short block 114 to move downwards, the connecting short block 114 moves downwards to drive the second hydraulic push rod 113 to move downwards, the second hydraulic push rod 113 moves downwards to enable hydraulic oil in the first hydraulic cylinder 111 to be discharged into the second hydraulic cylinder 116 through the liquid guide pipe 112 and the connecting guide pipe 115, so that the third hydraulic push rod 117 also moves upwards, the third hydraulic push rod 117 moves upwards to drive the fixed transverse block 118 to move upwards, the fixed transverse block 118 moves upwards to drive the positioning guide frame 119 to move upwards, the positioning guide frame 119 moves upwards to drive the liquid separation suction pipe 5 to move upwards, the liquid separation suction pipe 5 does not move upwards any longer in the test tube 4, then centrifugal liquid separation of the test tube 4 is completed, the servo motor 71 is turned off, separation carousel 3 stops to drive centrifugal weight 91 and rotates, because of positioning spring 92's effect, centrifugal weight 91 rebound drives and connects short block 114 rebound to reset, connect short block 114 rebound to drive second hydraulic push rod 113 rebound and reset, second hydraulic push rod 113 rebound makes hydraulic oil pass through in the second hydraulic cylinder 116 in the first hydraulic cylinder 111 of catheter 112 and connecting pipe 115 row back, thereby third hydraulic push rod 117 also just moves downwards and resets, and fixed horizontal block 118 drives branch liquid straw 5 through location guide frame 119 and moves downwards and resets, branch liquid straw 5 rebound is located test tube 4, people can follow-up drawing liquid work that carries on, so, can avoid dividing liquid straw 5 to be located test tube 4, influence divides the liquid effect.
Example 3
Based on the embodiment 1 and the embodiment 2, as shown in fig. 12 and fig. 16, the test tube separating device further includes a pick-and-place mechanism 12, the pick-and-place mechanism 12 includes a positioning rubber wheel 121 and three fixing short rods 122, the lower portion of the separation turntable 3 is rotatably provided with three fixing short rods 122 at intervals, the middle portion of the fixing short rods 122 is fixedly connected with the positioning rubber wheel 121, and when a person picks up the test tube 4, the positioning rubber wheel 121 guides the test tube 4.
When people get and take test tube 4, location rubber tyer 121 plays the guide effect to test tube 4 for people get and take test tube 4 more smoothly, so, can make people get and take test tube 4 more smoothly.
Finally, it is necessary to state that: the above-mentioned contents are only used to help understanding the technical solution of the present invention, and should not be interpreted as limiting the scope of the present invention; insubstantial modifications and adaptations of the invention as described above will occur to those skilled in the art and are intended to be within the scope of the invention as claimed.
Claims (8)
1. A centrifugal liquid separating device for test tubes comprises a fixed base (1), a supporting chassis (2), a separating turntable (3), test tubes (4), liquid separating suction pipes (5), liquid suction cylinders (6) and hoses (61), wherein the supporting chassis (2) is fixedly connected to the lower portion of the fixed base (1), the separating turntable (3) for placing the test tubes (4) is connected to the inside of the fixed base (1) in a bolt connection mode, three test tubes (4) are placed on the separating turntable (3) at intervals, the three liquid suction cylinders (6) are fixedly connected to the upper portion of the separating turntable (3) at intervals, the hoses (61) are connected to the bottom of the liquid suction cylinders (6), the liquid separating suction pipes (5) are used for drawing out liquid phases after tests, and the centrifugal liquid separating device is characterized by further comprising a rotating mechanism (7) and a liquid suction mechanism (8), and a rotating mechanism (7) for rotating and separating liquid is arranged between the fixed base (1) and the separating turntable (3), a liquid pumping mechanism (8) for pumping out a liquid phase is arranged between the fixed base (1) and the separation turntable (3) and the liquid pumping cylinder (6), the liquid pumping mechanism (8) is in sliding connection with the liquid separation suction pipe (5), and the liquid separation suction pipe (5) is communicated with the hose (61).
2. The centrifugal liquid separating device for the test tubes according to claim 1, wherein the rotating mechanism (7) comprises a servo motor (71), a driving shaft (72) and a reversing bevel gear (73), the vertical separating mechanism comprises a transmission vertical shaft (74), a driving gear (75) and an outer gear ring (76), wherein a servo motor (71) is arranged in the middle of the rear portion of a fixed base (1), a driving shaft (72) is connected onto an output shaft of the servo motor (71), the transmission vertical shaft (74) is rotatably arranged in the middle of the front portion of the fixed base (1), reversing bevel gears (73) are fixedly connected to the lower portion of the transmission vertical shaft (74) and the front portion of the driving shaft (72), the two reversing bevel gears (73) are meshed with each other, the driving gear (75) is fixedly connected to the upper portion of the transmission vertical shaft (74), the outer gear ring (76) is embedded in the lower portion of a separating turntable (3), and the outer gear ring (76) is meshed with the driving gear (75).
3. The centrifugal liquid separating device for the test tubes according to claim 2, wherein the liquid extracting mechanism (8) comprises an electric push rod (81), a lifting upright post (82), a triangular positioning plate (83), a first hydraulic push rod (84), a positioning bottom block (85) and a spring clamping block (86), the electric push rod (81) is connected in the middle of the fixed base (1) in a bolt connection mode, the lifting upright post (82) is connected on a telescopic rod of the electric push rod (81), the triangular positioning plate (83) is rotatably arranged on the upper portion of the lifting upright post (82), the first hydraulic push rod (84) is arranged in the liquid extracting barrel (6) in a sliding mode, the first hydraulic push rod (84) is fixedly connected with the triangular positioning plate (83), the three positioning bottom blocks (85) are arranged on the upper portion of the separating turntable (3) in a sliding mode at intervals, and the positioning bottom blocks (85) are slidably connected with the liquid separating suction tube (5), two spring clamping blocks (86) are arranged on the positioning bottom block (85) in a sliding mode, and the spring clamping blocks (86) are in contact with the separation turntable (3).
4. The centrifugal liquid separating device for the test tubes according to claim 3, further comprising a clamping mechanism (9) for limiting the test tubes (4), wherein the clamping mechanism (9) comprises a centrifugal weight (91), a positioning spring (92), a first limiting roller (93), a clamping vertical rod (94), a transverse push plate (95), a first reset guide post (96), a first reset spring (97) and a positioning short shaft (98), three centrifugal weights (91) are arranged at the lower part of the separation turntable (3) at intervals in a sliding manner, the adjacent centrifugal weights (91) are in contact with the test tubes (4), the positioning spring (92) is arranged between the bottom of each centrifugal weight (91) and the inside of the separation turntable (3), two clamping vertical rods (94) are arranged on the centrifugal weights (91) in a rotating manner, the first limiting roller (93) is arranged at the lower part of each clamping vertical rod (94) in a rotating manner, the equal rotary type in tight pole setting (94) upper portion is equipped with location minor axis (98), be equipped with two first guide pillars (96) that reset on location minor axis (98), slidingtype is equipped with sideslip push pedal (95) between two first guide pillars (96) that reset, sideslip push pedal (95) outside cover is on location minor axis (98), the cover is equipped with first reset spring (97) on first guide pillar (96) that reset, first reset spring (97) one end is connected with sideslip push pedal (95), first reset spring (97) other end is connected with location minor axis (98).
5. The centrifugal liquid separating device for the test tubes according to claim 4, further comprising a sealing mechanism (10) for sealing the test tubes (4), wherein the sealing mechanism (10) comprises a sealing top cover (101), a transverse connecting plate (102), second reset guide pillars (103), second reset springs (104), positioning soft ropes (105), second limiting rollers (106), a positioning connecting plate (107), third reset guide pillars (108) and third reset springs (109), the middle part of the liquid separating suction tube (5) is fixedly connected with the sealing top cover (101) for sealing the test tubes (4), six second reset guide pillars (103) are fixedly connected to the upper part of the separating turntable (3) at intervals, every two second reset guide pillars (103) form a group, the transverse connecting plate (102) is slidably arranged between each group of the second reset guide pillars (103), and the adjacent transverse connecting plates (102) are fixedly connected with the sealing top cover (101), a second reset spring (104) is sleeved on the second reset guide post (103), one end of the second reset spring (104) is connected with the transverse moving connecting plate (102), the other end of the second reset spring (104) is connected with the separating turntable (3), three second limiting rollers (106) are arranged on the upper part of the separating turntable (3) at intervals in a rotating manner, a third reset guide post (108) is fixedly connected in the middle of the lower part of the lifting upright post (82), a positioning connecting plate (107) is arranged on the third reset guide post (108) in a sliding manner, the positioning connecting plate (107) is connected with the lifting upright post (82) in a sliding manner, three positioning soft ropes (105) are fixedly connected outside the positioning connecting plate (107) at intervals, the positioning soft ropes (105) are connected with the transverse moving connecting plate (102) by bypassing the adjacent second limiting rollers (106), a third reset spring (109) is sleeved on the third reset guide post (108), one end of the third reset spring (109) is connected with the positioning connecting plate (107), the other end of the third return spring (109) is connected with the lifting upright post (82).
6. The centrifugal test tube liquid separating device for the test according to claim 5, further comprising a separating mechanism (11) for separating the separating pipette (5) from the test tube (4), wherein the separating mechanism (11) comprises a first hydraulic cylinder (111), a liquid guide tube (112), a second hydraulic push rod (113), a connecting short block (114), a connecting conduit (115), a second hydraulic cylinder (116), a third hydraulic push rod (117), a fixed transverse block (118) and a positioning guide frame (119), three first hydraulic cylinders (111) are fixedly connected to the lower portion of the separating turntable (3) at intervals, the liquid guide tube (112) is connected to the lower portion of the first hydraulic cylinder (111), the second hydraulic push rod (113) is arranged in the first hydraulic cylinder (111) in a sliding manner, the connecting short block (114) is fixedly connected to the bottom end of the second hydraulic push rod (113), and the adjacent connecting short block (114) is fixedly connected to the centrifugal weight (91), the middle part of the positioning bottom block (85) is fixedly connected with a second hydraulic cylinder (116), the lower part of the second hydraulic cylinder (116) is connected with a connecting pipe (115), the connecting pipe (115) is communicated with a liquid guide pipe (112), a third hydraulic push rod (117) is arranged in the second hydraulic cylinder (116) in a sliding mode, the upper part of the third hydraulic push rod (117) is fixedly connected with a fixed transverse block (118), a positioning guide frame (119) used for driving the liquid separation suction pipe (5) to move is arranged on the fixed transverse block (118), the positioning guide frame (119) is located in the positioning bottom block (85), and the positioning guide frame (119) is fixedly connected with the liquid separation suction pipe (5).
7. The centrifugal separating device for the test tubes according to claim 6, further comprising a pick-and-place mechanism (12) for facilitating pick-and-place of the test tubes (4), wherein the pick-and-place mechanism (12) comprises a positioning rubber wheel (121) and a fixed short rod (122), three fixed short rods (122) are rotatably arranged at the lower part of the separation turntable (3) at intervals, and the positioning rubber wheel (121) for guiding the test tubes (4) is fixedly connected to the middle part of the fixed short rod (122).
8. The centrifugal liquid separation device for the test tubes according to claim 7, further comprising a rubber block (99), wherein the rubber block (99) is fixedly connected to the inner side surfaces of the front and rear side transverse push plates (95).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210566256.3A CN115069427A (en) | 2022-05-24 | 2022-05-24 | Centrifugal liquid separating device for test tubes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210566256.3A CN115069427A (en) | 2022-05-24 | 2022-05-24 | Centrifugal liquid separating device for test tubes |
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| CN115069427A true CN115069427A (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210566256.3A Pending CN115069427A (en) | 2022-05-24 | 2022-05-24 | Centrifugal liquid separating device for test tubes |
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Citations (5)
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|---|---|---|---|---|
| US4080175A (en) * | 1977-04-19 | 1978-03-21 | Beckman Instruments, Inc. | Internally activated sealing centrifuge test tube cap assembly |
| US4647279A (en) * | 1985-10-18 | 1987-03-03 | Cobe Laboratories, Inc. | Centrifugal separator |
| US20050277538A1 (en) * | 2004-06-14 | 2005-12-15 | Michael Sherman | Automated device for homogenization and resuspension of substances, disintegration of cells, disruption of tissues and centrifugation of these media |
| CN112275455A (en) * | 2020-10-12 | 2021-01-29 | 广州爱索达生物医药技术有限公司 | Exosome particle screening device based on ultracentrifugation technology |
| CN114273090A (en) * | 2021-12-13 | 2022-04-05 | 谭达兴 | Biological medical treatment centrifugation extraction formula check out test set |
-
2022
- 2022-05-24 CN CN202210566256.3A patent/CN115069427A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4080175A (en) * | 1977-04-19 | 1978-03-21 | Beckman Instruments, Inc. | Internally activated sealing centrifuge test tube cap assembly |
| US4647279A (en) * | 1985-10-18 | 1987-03-03 | Cobe Laboratories, Inc. | Centrifugal separator |
| US20050277538A1 (en) * | 2004-06-14 | 2005-12-15 | Michael Sherman | Automated device for homogenization and resuspension of substances, disintegration of cells, disruption of tissues and centrifugation of these media |
| CN112275455A (en) * | 2020-10-12 | 2021-01-29 | 广州爱索达生物医药技术有限公司 | Exosome particle screening device based on ultracentrifugation technology |
| CN114273090A (en) * | 2021-12-13 | 2022-04-05 | 谭达兴 | Biological medical treatment centrifugation extraction formula check out test set |
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Effective date of registration: 20240411 Address after: 737100 south of Yan'an Road and west of Zongwu Road, Jinchang new material industrial park, Gansu Province Applicant after: JINCHANG ZHONGSHENG NEW MATERIAL Co.,Ltd. Country or region after: China Address before: Room 1201, Building 12, Nanchang LED Industry Innovation Demonstration Park, No. 1111, Changdong Avenue, Qingshanhu District, Nanchang City, Jiangxi Province, 330012 Applicant before: Xu Teng Country or region before: China |