CN110935194B - Micro-extraction system of hollow fiber membrane - Google Patents

Micro-extraction system of hollow fiber membrane Download PDF

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Publication number
CN110935194B
CN110935194B CN201911288579.5A CN201911288579A CN110935194B CN 110935194 B CN110935194 B CN 110935194B CN 201911288579 A CN201911288579 A CN 201911288579A CN 110935194 B CN110935194 B CN 110935194B
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movable
block
groove
cavity
plate
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CN110935194A (en
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付贤树
俞晓平
叶子弘
王正亮
张明洲
刘光富
张蓬军
马骉
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China Jiliang University
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China Jiliang University
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Priority to JP2020006435A priority patent/JP6832481B1/en
Publication of CN110935194A publication Critical patent/CN110935194A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/40—Concentrating samples
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/40—Concentrating samples
    • G01N1/4055—Concentrating samples by solubility techniques
    • G01N2001/4061—Solvent extraction

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  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

The invention discloses a hollow fiber membrane micro-extraction system, which comprises a box body, an extraction tube arranged in the box body and an installation block matched with the extraction tube, wherein a plurality of partition plates are arranged in the box body, the box body is divided into a plurality of cavities by the partition plates, the extraction tube is arranged in the cavity, a positioning block is arranged at the bottom of the cavity, a positioning groove matched with the positioning block is arranged at the bottom of the extraction tube, and a fixing plate matched with the extraction tube is arranged in the cavity; the extraction tube is characterized in that a driving motor is arranged on the mounting block, a transmission shaft is arranged on an output shaft of the driving motor, the transmission shaft penetrates through the extraction tube, and a stirring rod is arranged on the transmission shaft.

Description

Micro-extraction system of hollow fiber membrane
Technical Field
The invention belongs to the technical field of hollow fiber membrane micro-extractors, and particularly relates to a hollow fiber membrane micro-extraction system.
Background
At present, the common hollow fiber membrane micro-extractor adopts a micro-extraction technology, the micro-extraction technology is a technology for extracting trace organic compound residues, the micro-extraction technology comprises a material liquid phase (sample), an organic phase and a receiving phase, the existing hollow fiber membrane micro-extractor can only extract three groups of samples at a time, if a plurality of groups of samples need to be extracted for comparison test, the test efficiency is low, each group of samples in the hollow fiber membrane micro-extractor usually comprises a plurality of solutions needing to be stirred, the samples comprise three groups of samples, the organic phase and the receiving phase, each group of samples usually only provides power for stirring through a magnetic stirrer, because one group of samples comprises a plurality of solutions needing to be stirred, and the number of the existing micro-extractors is limited, once the stirrers start to work, all the stirrers are in a working state, and even the stirrers in an idle state are also in a working state, the burden of the motor is increased, and the service life of the motor is shortened.
Disclosure of Invention
The invention provides a hollow fiber membrane micro-extraction system for prolonging the service life of a motor in order to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a hollow fiber membrane micro-extraction system comprises a box body, an extraction tube and a mounting block, wherein the extraction tube is arranged in the box body, the mounting block is matched with the extraction tube, a plurality of partition plates are arranged in the box body, the box body is divided into a plurality of cavities by the partition plates, the extraction tube is arranged in the cavity, a positioning block is arranged at the bottom of the cavity, a positioning groove matched with the positioning block is arranged at the bottom of the extraction tube, and a fixing plate matched with the extraction tube is arranged in the cavity; the mounting block is provided with a driving motor, an output shaft of the driving motor is provided with a transmission shaft, the transmission shaft penetrates through the extraction pipe, and the transmission shaft is provided with a stirring rod; under the action of the partition plates, the box body is divided into a plurality of cavities, so that an independent environment is provided for each extraction tube, the extraction tubes are prevented from colliding during extraction, and the extraction tubes are protected; under the mutual matching of the positioning block and the fixing plate, the fixing effect of the extraction tube in the cavity is improved, and the extraction tube is prevented from moving when the transmission shaft drives the stirring rod to rotate, so that the extraction operation is smoothly carried out; under the arrangement of the mounting blocks, the mounting blocks are only mounted at the tops of the extraction tubes with samples, and the number of the mounting blocks is selected according to the number of the extraction tubes actually used, so that the driving motor only drives the transmission shafts on the mounting blocks which are matched with each other to rotate, the burden of the driving motor is reduced, and the driving motor is protected; the mode through concatenation installation piece makes to insert the transmission shaft in the extraction pipe, makes the installation piece install according to actual demand, and it is extravagant to reduce kinetic energy, makes the extraction system adapt to the extraction mode of multiple difference, promotes the convenient to use nature of extraction system.
The mounting block is provided with a first movable cavity, the transmission shaft penetrates through the first movable cavity, a first transmission wheel is arranged at the top of the transmission shaft, a second transmission wheel and a third transmission wheel which are matched with the first transmission wheel are arranged in the first movable cavity, a first connecting groove is formed in the side wall of one side of the mounting block, a second connecting groove is formed in the side wall of the other side of the mounting block, and a connecting block matched with the first connecting groove is arranged in the second connecting groove; under the mutual cooperation of the first connecting groove and the connecting block, the two mounting blocks are spliced together to form a whole, so that the mounting blocks are mutually matched to work; under the setting of second drive wheel and third drive wheel, form the transmission cooperation after making two installation pieces interconnect, only install the transmission shaft rotation on the drive motor borrow mouthful drive a plurality of installation pieces on one of them installation piece, do make full use of drive motor's kinetic energy, reduce kinetic energy waste to make same batch's sample rotate with the same speed, guarantee the stability of extraction and go on.
A first fixed block matched with the cavity is arranged at the bottom of the mounting block, a first movable groove is arranged at the bottom of the first movable cavity, a first movable block is arranged in the first movable groove, a second driving wheel is arranged on the first movable block and can move up and down relative to the first movable block, and a first driving component for driving the first movable block to move is arranged on the mounting block; when the mounting block works independently, the first movable block is positioned at one end of the first movable groove, the second transmission wheel is arranged on the first movable block, and the second transmission wheel is accommodated in the first movable cavity, so that the second transmission wheel is prevented from contacting with the outside to influence the rotation of the transmission shaft; when the two mounting blocks are connected with each other, the connecting block is inserted into the first connecting groove, the connecting block is matched with the first transmission assembly, the first movable block is pushed to move under the action of the first transmission assembly, the first movable block drives the second transmission wheel to move to one side of the first transmission wheel, then the second transmission wheel moves upwards, the second transmission wheel is made to ascend to the height of the first transmission wheel, the first transmission wheel is matched with the second transmission wheel, one side of the second transmission wheel protrudes out of the first movable cavity, so that the kinetic energy of the driving motor is transmitted to the second mounting block under the action of the second transmission wheel, the transmission shafts on the two mounting blocks synchronously rotate, the kinetic energy of the driving motor is reasonably utilized, and the waste of the kinetic energy of the driving motor is reduced; make installation piece bottom inlay in the cavity under first fixed block effect, first fixed block contacts with the cavity inner wall, promotes the cooperation effect of installation piece and cavity.
A second movable cavity is arranged on the side wall of the first movable groove, the first transmission assembly comprises a first connecting rod movably connected to the side wall of the first movable block, a second connecting rod connected with the first connecting rod and a first push plate arranged on the second connecting rod, and the first push plate is arranged in the first connecting groove; a sleeve is rotatably connected in the second movable cavity, the first connecting rod and the second connecting rod are respectively arranged in the sleeve in a penetrating manner, and the first connecting rod and the second connecting rod are connected through a connecting spring; when the two mounting blocks are connected with each other, the connecting block is arranged in the first connecting groove, the connecting block pushes the first push plate to move, the first push plate drives the second connecting rod to move, the second connecting rod drives the sleeve to rotate, the sleeve drives the first connecting rod to move, so that the first connecting rod pushes the first movable block to move, the second driving wheel moves to one side of the first driving wheel, and the second driving wheel is prevented from colliding with the first driving wheel when moving upwards; under the mutual cooperation of connecting spring and sleeve pipe, make the relative motion of first connecting rod and second connecting rod to the sleeve pipe normally rotates, guarantees the stability of first drive assembly work.
A third movable cavity is arranged on the inner wall of the first connecting groove, a reset spring is arranged on the side wall of the first push plate, and one end of the reset spring is fixedly connected to the inner wall of the third movable cavity; a fourth movable cavity is arranged on the side wall of the first connecting groove, and a first lifting assembly used for driving the second driving wheel to move up and down is arranged in the fourth movable cavity; the reset spring provides a reset function for the first push plate so as to push the first push plate to move when the connecting block is not arranged in the first connecting groove, so that the first push plate moves into the first connecting groove, the sleeve is in an inclined state, and the first movable block is fixed at one end of the first movable groove so as to collect the second transmission wheel in the first movable cavity and prevent the second transmission wheel from contacting with the outside to influence the rotation of the transmission shaft; when the first movable block moves to the other end of the first movable groove under the action of the first transmission assembly, the second transmission wheel is positioned on one side of the first lifting assembly, the second transmission wheel is driven to move upwards under the action of the first lifting assembly, the second transmission wheel is pushed to the height of the first transmission wheel, and the first transmission wheel and the second transmission wheel are mutually matched so as to transmit the kinetic energy of the driving motor.
The first lifting assembly comprises a rotating roller arranged in the fourth movable cavity, a transmission belt wound on the rotating roller, and a second push plate and a third push plate arranged on the transmission belt, and the second push plate and the third push plate are respectively arranged on two sides of the fourth movable cavity; a fifth movable cavity is formed in the first movable block, a third connecting rod is arranged at the bottom of the second driving wheel, and the third connecting rod penetrates through the fifth movable cavity; after the connecting block is arranged in the first connecting groove, the connecting block pushes the second push plate to move downwards, the second push plate drives the transmission belt to drive the rotating roller to rotate, and the transmission belt drives the third push plate to move, so that the third push plate pushes the second driving wheel to move upwards, the second driving wheel is pushed to the height of the first driving wheel, and the first driving wheel is matched with the second driving wheel; the lifting motion of the second driving wheel is realized under the mutual matching of the third connecting rod and the fifth movable cavity, the vertical motion of the second driving wheel is positioned, and the matching effect of the first driving wheel and the second driving wheel is ensured.
The bottom of the first movable groove is also provided with a second movable groove, a second movable block is arranged in the second movable groove, the third driving wheel is arranged on the second movable block, the mounting block is also provided with a second driving component for driving the second movable block to move and a second lifting component for driving the third driving wheel to do lifting movement, the inner wall of the second connecting groove is provided with a first sliding groove, a sliding block is arranged in the first sliding groove, and the connecting block is rotatably connected to the first sliding block; when the mounting block is used independently, the connecting block is in a vertical state and is arranged in the second connecting groove, so that the connecting block and the protruding mounting block are prevented from colliding with the outside; when the two mounting blocks are connected together, the connecting block is turned downwards, the connecting block is rotated to be in a horizontal state, the end face of the connecting block is matched with the second transmission assembly when the connecting block is turned over, the second movable block is driven to move, the third transmission wheel is driven to move to one side of the first transmission wheel, when the connecting block is arranged in the first connecting groove, the connecting block is pushed downwards along the first sliding groove, the connecting block is matched with the second lifting assembly, the second lifting assembly drives the third transmission wheel to move upwards, the third transmission wheel is driven to move to the height of the first transmission wheel, and the third transmission wheel is matched with the first transmission wheel, therefore, the second driving wheel on the first mounting block and the third driving wheel on the second mounting block are matched, the transmission matching of the transmission shafts on the two mounting blocks is realized, the driving motors synchronously drive the transmission shafts on the plurality of mounting blocks to rotate, and the kinetic energy of the driving motors is reasonably utilized.
A sixth movable cavity is formed in the connecting block, a limiting plate is arranged in the sixth movable cavity, a third movable groove is formed in the top of the sixth movable cavity, a first push block matched with the third movable groove is arranged at the top of the limiting plate, and a first limiting groove matched with the limiting plate is formed in the inner wall of the first connecting groove; after the connecting block is arranged in the first connecting groove, the first pushing block is pushed along the third movable groove, the first pushing block drives the limiting plate to be fixed in the first limiting groove, the limiting plate is embedded into the first limiting groove, the limiting plate and the first limiting groove are matched with each other, the connecting block is fixed in the first connecting groove, the connection of the two mounting blocks is completed, and the difficulty of connecting the mounting blocks is reduced.
A second sliding groove is formed in the inner wall of the first connecting groove, a third sliding groove is formed in the top of the second sliding groove, a seventh movable cavity is formed in the side wall of the first connecting groove, a first movable plate is arranged in the seventh movable cavity, a second sliding block matched with the third sliding groove is arranged on the side wall of the first movable plate, an eighth movable cavity is formed in the first movable plate, a through cavity is formed in the eighth movable cavity, a second movable plate is arranged in the eighth movable cavity, a second push block matched with the through cavity is arranged on the second movable plate, and a first groove matched with the first push block is formed in the bottom of the second movable plate; after the connecting block is embedded into the first connecting groove, the first movable plate is pushed out from the seventh movable cavity, the first movable plate is moved into the first connecting groove, the first movable plate is pushed downwards along the second sliding groove, the bottom surface of the first movable plate is contacted with the connecting block, the first pushing block is embedded into the first groove, the difficulty of pushing the connecting block is reduced under the action of the first movable plate, so that the limiting plate is pushed to one side of the first limiting groove, the second pushing block is pushed along the inner wall of the through cavity, the second pushing block is pushed away to drive the second movable plate to move, the second movable plate drives the first pushing block to move, the limiting plate is pushed into the first limiting groove, the limiting plate is embedded into the first limiting groove, the matching of the limiting plate and the first limiting groove is completed, the connecting block is fixed in the first connecting groove, and the connection between the two mounting blocks is completed.
A second groove is formed in the side wall of the fixed plate, a fixed spring is arranged in the second groove, a fourth movable groove is formed in the fixed plate, a second fixed block is arranged in the fourth movable groove and can move up and down in the fourth movable groove, a connecting plate is arranged on the inner wall of the cavity, and a limiting block matched with the second fixed block is arranged on the connecting plate; when the extraction tube is not placed in the cavity, the connecting plate extends into the fourth movable groove, the limiting block is matched with the second fixing block, the fixing plate is fixed on the inner wall of the cavity, and a space is reserved for installation of the extraction tube, so that the extraction tube can be easily installed in the cavity; after the extraction tube is arranged in the cavity, the limiting block is disengaged from the second fixing block, the fixing plate is pushed to move towards the direction of the extraction tube under the action of the fixing spring, so that the fixing plate is in contact with the side wall of the extraction tube, the extraction tube is fixed in the cavity, and the extraction tube is protected.
The invention has the following advantages: under the installation block setting, only install the installation block at the extraction tube top of being equipped with the sample, select the number of installation block according to the extraction tube quantity of actual use, make the drive motor electricity only drive the transmission shaft rotation on the installation block of mutually supporting, alleviate the drive motor burden, play the guard action to drive motor.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a first cross-sectional view of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
FIG. 4 is a second cross-sectional view of the present invention.
FIG. 5 is an enlarged view of item 4 at B.
Fig. 6 is an enlarged view of fig. 4 at C.
Fig. 7 is a third schematic cross-sectional view of the present invention.
Fig. 8 is an enlarged view of fig. 7 at D.
Fig. 9 is an enlarged view of fig. 7 at E.
Fig. 10 is a cross-sectional view of the fourth embodiment of the present invention.
Fig. 11 is an enlarged view of fig. 10 at F.
Fig. 12 is a cross-sectional view illustrating a fifth embodiment of the present invention.
Fig. 13 is an enlarged view at G in fig. 12.
Fig. 14 is an enlarged view of fig. 12 at H.
Fig. 15 is a cross-sectional view showing the sixth embodiment of the present invention.
FIG. 16 is an enlarged view of the point I of Table 15.
Fig. 17 is a seventh cross-sectional view of the present invention.
Detailed Description
As shown in fig. 1-17, a hollow fiber membrane microextraction system comprises a box body 1, an extraction tube 2 arranged in the box body 1, and a mounting block 3 matched with the extraction tube 2, wherein a plurality of partition plates are arranged in the box body 1, the box body 1 is divided into a plurality of cavities by the partition plates, the extraction tube 2 is arranged in the cavity, a positioning block is arranged at the bottom of the cavity, a positioning groove matched with the positioning block is arranged at the bottom of the extraction tube 2, and a fixing plate 11 matched with the extraction tube 2 is arranged in the cavity; the mounting block 3 is provided with a driving motor 31, an output shaft of the driving motor 31 is provided with a transmission shaft 331, the transmission shaft 331 penetrates through the extraction tube 2, and the transmission shaft 331 is provided with a stirring rod; under the action of the partition plates, the box body is divided into a plurality of cavities, so that an independent environment is provided for each extraction tube, the extraction tubes are prevented from colliding during extraction, and the extraction tubes are protected; under the mutual matching of the positioning block and the fixing plate, the fixing effect of the extraction tube in the cavity is improved, and the extraction tube is prevented from moving when the transmission shaft drives the stirring rod to rotate, so that the extraction operation is smoothly carried out; under the arrangement of the mounting blocks, the mounting blocks are only mounted at the tops of the extraction tubes with samples, and the number of the mounting blocks is selected according to the number of the extraction tubes actually used, so that the driving motor only drives the transmission shafts on the mounting blocks which are matched with each other to rotate, the burden of the driving motor is reduced, and the driving motor is protected; the mode through concatenation installation piece makes to insert the transmission shaft in the extraction pipe, makes the installation piece install according to actual demand, and it is extravagant to reduce kinetic energy, makes the extraction system adapt to the extraction mode of multiple difference, promotes the convenient to use nature of extraction system.
The side wall of the extraction tube is provided with a feed inlet and a discharge outlet, the fixed plate is provided with a third groove and a fourth groove which are matched with the feed inlet and the discharge outlet, the inner wall of the cavity is provided with a fourth chute, the side wall of the fixed plate is provided with a third slide block which is matched with the fourth chute, the fixed plate is provided with a conveying channel which is matched with the third groove and the fourth groove, the side wall of the cavity is provided with a through hole which is matched with the conveying channel, and the feed inlet and the discharge outlet on the extraction tube are communicated with the outside under the action of the through hole; under mutually supporting of third recess, fourth recess, feed inlet and discharge gate, play the fixed action to the extraction tube, make the extraction tube arrange the cavity in with the assigned position in, prevent that the extraction tube from removing in the cavity, further promote the guard action to the extraction tube.
A first movable cavity is formed in the mounting block 3, the transmission shaft 331 penetrates through the first movable cavity, a first transmission wheel 33 is arranged at the top of the transmission shaft 331, a second transmission wheel 34 and a third transmission wheel 35 which are matched with the first transmission wheel 33 are arranged in the first movable cavity, a first connecting groove is formed in the side wall of one side of the mounting block 3, a second connecting groove is formed in the side wall of the other side of the mounting block, and a connecting block 310 which is matched with the first connecting groove is arranged in the second connecting groove; under the mutual cooperation of the first connecting groove and the connecting block, the two mounting blocks are spliced together to form a whole, so that the mounting blocks are mutually matched to work; under the setting of second drive wheel and third drive wheel, form the transmission cooperation after making two installation pieces interconnect, only install the transmission shaft rotation on the drive motor borrow mouthful drive a plurality of installation pieces on one of them installation piece, do make full use of drive motor's kinetic energy, reduce kinetic energy waste to make same batch's sample rotate with the same speed, guarantee the stability of extraction and go on.
A first fixed block matched with the cavity is arranged at the bottom of the mounting block 3, a first movable groove is arranged at the bottom of the first movable cavity, a first movable block 36 is arranged in the first movable groove, the second driving wheel 34 is arranged on the first movable block 36, the second driving wheel 34 can move up and down relative to the first movable block 36, and a first driving component for driving the first movable block 36 to move is arranged on the mounting block 3; when the mounting block works independently, the first movable block is positioned at one end of the first movable groove, the second transmission wheel is arranged on the first movable block, and the second transmission wheel is accommodated in the first movable cavity, so that the second transmission wheel is prevented from contacting with the outside to influence the rotation of the transmission shaft; when the two mounting blocks are connected with each other, the connecting block is inserted into the first connecting groove, the connecting block is matched with the first transmission assembly, the first movable block is pushed to move under the action of the first transmission assembly, the first movable block drives the second transmission wheel to move to one side of the first transmission wheel, then the second transmission wheel moves upwards, the second transmission wheel is made to ascend to the height of the first transmission wheel, the first transmission wheel is matched with the second transmission wheel, one side of the second transmission wheel protrudes out of the first movable cavity, so that the kinetic energy of the driving motor is transmitted to the second mounting block under the action of the second transmission wheel, the transmission shafts on the two mounting blocks synchronously rotate, the kinetic energy of the driving motor is reasonably utilized, and the waste of the kinetic energy of the driving motor is reduced; make installation piece bottom inlay in the cavity under first fixed block effect, first fixed block contacts with the cavity inner wall, promotes the cooperation effect of installation piece and cavity.
A second movable cavity is arranged on the side wall of the first movable groove, the first transmission assembly comprises a first connecting rod 3202 movably connected to the side wall of the first movable block 36, a second connecting rod 3201 connected with the first connecting rod 3202, and a first push plate 3204 arranged on the second connecting rod 3201, and the first push plate 3204 is arranged in the first connecting groove; a sleeve 320 is rotatably connected in the second movable cavity, the first connecting rod 3202 and the second connecting rod 3201 are respectively arranged in the sleeve 320 in a penetrating manner, and the first connecting rod 3202 and the second connecting rod 3201 are connected through a connecting spring 3203; when the two mounting blocks are connected with each other, the connecting block is arranged in the first connecting groove, the connecting block pushes the first push plate to move, the first push plate drives the second connecting rod to move, the second connecting rod drives the sleeve to rotate, the sleeve drives the first connecting rod to move, so that the first connecting rod pushes the first movable block to move, the second driving wheel moves to one side of the first driving wheel, and the second driving wheel is prevented from colliding with the first driving wheel when moving upwards; under the mutual cooperation of connecting spring and sleeve pipe, make the relative motion of first connecting rod and second connecting rod to the sleeve pipe normally rotates, guarantees the stability of first drive assembly work.
A third movable cavity is arranged on the inner wall of the first connecting groove, a reset spring 3205 is arranged on the side wall of the first push plate 3204, and one end of the reset spring 3205 is fixedly connected to the inner wall of the third movable cavity; a fourth movable cavity is arranged on the side wall of the first connecting groove, and a first lifting assembly for driving the second driving wheel 34 to move up and down is arranged in the fourth movable cavity; the reset spring provides a reset function for the first push plate so as to push the first push plate to move when the connecting block is not arranged in the first connecting groove, so that the first push plate moves into the first connecting groove, the sleeve is in an inclined state, and the first movable block is fixed at one end of the first movable groove so as to collect the second transmission wheel in the first movable cavity and prevent the second transmission wheel from contacting with the outside to influence the rotation of the transmission shaft; when the first movable block moves to the other end of the first movable groove under the action of the first transmission assembly, the second transmission wheel is positioned on one side of the first lifting assembly, the second transmission wheel is driven to move upwards under the action of the first lifting assembly, the second transmission wheel is pushed to the height of the first transmission wheel, and the first transmission wheel and the second transmission wheel are mutually matched so as to transmit the kinetic energy of the driving motor.
The first lifting assembly comprises a rotating roller arranged in the fourth movable cavity, a transmission belt 37 wound on the rotating roller, and a second push plate 371 and a third push plate 372 arranged on the transmission belt 37, wherein the second push plate 371 and the third push plate 372 are respectively arranged on two sides of the fourth movable cavity; a fifth movable cavity is formed in the first movable block 36, a third connecting rod 341 is arranged at the bottom of the second driving wheel 34, and the third connecting rod 341 penetrates through the fifth movable cavity; after the connecting block is arranged in the first connecting groove, the connecting block pushes the second push plate to move downwards, the second push plate drives the transmission belt to drive the rotating roller to rotate, and the transmission belt drives the third push plate to move, so that the third push plate pushes the second driving wheel to move upwards, the second driving wheel is pushed to the height of the first driving wheel, and the first driving wheel is matched with the second driving wheel; the lifting motion of the second driving wheel is realized under the mutual matching of the third connecting rod and the fifth movable cavity, the vertical motion of the second driving wheel is positioned, and the matching effect of the first driving wheel and the second driving wheel is ensured.
The bottom of the first movable groove is also provided with a second movable groove, a second movable block is arranged in the second movable groove, the third driving wheel 35 is arranged on the second movable block, the mounting block 3 is also provided with a second driving component for driving the second movable block to move and a second lifting component for driving the third driving wheel 35 to do lifting motion, the inner wall of the second connecting groove is provided with a first sliding groove, a first sliding block is arranged in the first sliding groove, and the connecting block 310 is rotatably connected onto the first sliding block; the structure of the second movable groove is the same as that of the first movable groove, the structure of the first movable block is the same as that of the second movable block, the structure of the first transmission assembly is the same as that of the second transmission assembly, the structure of the second lifting assembly is the same as that of the first lifting assembly, and the structure of the second transmission wheel is the same as that of the third transmission wheel; when the mounting block is used independently, the connecting block is in a vertical state and is arranged in the second connecting groove, so that the connecting block and the protruding mounting block are prevented from colliding with the outside; when the two mounting blocks are connected together, the connecting block is turned downwards, the connecting block is rotated to be in a horizontal state, the end face of the connecting block is matched with the second transmission assembly when the connecting block is turned over, the second movable block is driven to move, the third transmission wheel is driven to move to one side of the first transmission wheel, when the connecting block is arranged in the first connecting groove, the connecting block is pushed downwards along the first sliding groove, the connecting block is matched with the second lifting assembly, the second lifting assembly drives the third transmission wheel to move upwards, the third transmission wheel is driven to move to the height of the first transmission wheel, and the third transmission wheel is matched with the first transmission wheel, therefore, the second driving wheel on the first mounting block and the third driving wheel on the second mounting block are matched, the transmission matching of the transmission shafts on the two mounting blocks is realized, the driving motors synchronously drive the transmission shafts on the plurality of mounting blocks to rotate, and the kinetic energy of the driving motors is reasonably utilized.
A sixth movable cavity is arranged on the connecting block 310, a limiting plate 3101 is arranged in the sixth movable cavity, a third movable groove is arranged at the top of the sixth movable cavity, a first push block 3102 matched with the third movable groove is arranged at the top of the limiting plate 3101, and a first limiting groove matched with the limiting plate 3101 is arranged on the inner wall of the first connecting groove; after the connecting block is arranged in the first connecting groove, the first pushing block is pushed along the third movable groove, the first pushing block drives the limiting plate to be fixed in the first limiting groove, the limiting plate is embedded into the first limiting groove, the limiting plate and the first limiting groove are matched with each other, the connecting block is fixed in the first connecting groove, the connection of the two mounting blocks is completed, and the difficulty of connecting the mounting blocks is reduced.
A second sliding groove is formed in the inner wall of the first connecting groove, a third sliding groove is formed in the top of the second sliding groove, a seventh movable cavity is formed in the side wall of the first connecting groove, a first movable plate 39 is arranged in the seventh movable cavity, a second sliding block matched with the third sliding groove is arranged on the side wall of the first movable plate 39, an eighth movable cavity is formed in the first movable plate, a through cavity is formed in the eighth movable cavity, a second movable plate 391 is arranged in the eighth movable cavity, a second push block matched with the through cavity is arranged on the second movable plate 391, and a first groove matched with the first push block is formed in the bottom of the second movable plate 391; after the connecting block is embedded into the first connecting groove, the first movable plate is pushed out from the seventh movable cavity, the first movable plate is moved into the first connecting groove, the first movable plate is pushed downwards along the second sliding groove, the bottom surface of the first movable plate is contacted with the connecting block, the first push block is embedded into the first groove, the difficulty of pushing the connecting block is reduced under the action of the first movable plate, so that the limiting plate is pushed to one side of the first limiting groove, the second push block is pushed along the inner wall of the through cavity, the second push block drives the second movable plate to move, the second movable plate drives the first push block to move, the limiting plate is pushed into the first limiting groove, the limiting plate is embedded into the first limiting groove, the matching of the limiting plate and the first limiting groove is completed, the connecting block is fixed in the first connecting groove, and the connection between the two mounting blocks is completed.
The installation piece is equipped with first go-between 38, and driving motor locates on a mounting panel 32, the mounting panel bottom be equipped with first go-between matched with second go-between, the mounting panel passes through the joint form and links on the installation piece, be equipped with on the transmission shaft with driving motor output shaft matched with transmission groove, under the joint cooperation of first go-between and second go-between, can be convenient pull down the dress from an installation piece with driving motor on another installation piece, reduce driving motor maintenance cost, make the use of installation piece more convenient.
A second groove is formed in the side wall of the fixed plate 11, a fixed spring 113 is arranged in the second groove, a fourth movable groove is formed in the fixed plate 11, a second fixed block 111 is arranged in the fourth movable groove, the second fixed block 111 can move up and down in the fourth movable groove, a connecting plate 12 is arranged on the inner wall of the cavity, and a limiting block matched with the second fixed block 111 is arranged on the connecting plate 12; when the extraction tube is not placed in the cavity, the connecting plate extends into the fourth movable groove, the limiting block is matched with the second fixing block, the fixing plate is fixed on the inner wall of the cavity, and a space is reserved for installation of the extraction tube, so that the extraction tube can be easily installed in the cavity; after the extraction tube is arranged in the cavity, the limiting block is disengaged from the second fixing block, the fixing plate is pushed to move towards the direction of the extraction tube under the action of the fixing spring, so that the fixing plate is in contact with the side wall of the extraction tube, the extraction tube is fixed in the cavity, and the extraction tube is protected.
A fifth sliding groove is formed in the inner wall of the fourth movable groove, a fourth sliding block matched with the fifth sliding groove is arranged on the side wall of the second fixed block, a fixed spring 112 is arranged at the bottom of the second fixed block, a second limiting groove matched with the limiting block is formed in the second fixed plate, and a cambered surface is formed in the limiting block; a through cavity is formed in the top of the fourth movable groove, and a push rod 114 penetrates through the through cavity; after the extraction tube is packed into in the cavity, down promote the push rod, make the push rod promote the second fixed block and down move, the stopper is deviate from the second spacing inslot, and the stopper loses the spacing effect to the fixed plate, and fixed spring promotes the fixed plate and removes toward the extraction tube direction, makes feed inlet and discharge gate insert respectively and locates in third recess and the fourth recess, accomplishes the cooperation of fixed plate and extraction tube, fixes the extraction tube in the cavity.
Because the opening in the first activity chamber on the installation piece is located relative both sides, the driving motor on the installation piece can only transmit and be a sharp other installation pieces with the installation piece, and the preferred uses three installation pieces as a set of, and a driving motor drives the transmission shaft rotation on the three installation piece at most, avoids driving motor burden too big, plays the guard action to driving motor.
When two connecting blocks are connected, the connecting blocks are rotated, the end faces of the connecting blocks are contacted with a push plate of a second transmission assembly, the connecting blocks push the push plate to move, so that a third transmission wheel moves to one side of a first transmission wheel, the connecting blocks on the mounting blocks are inserted into a first connecting groove on the other mounting block, the connecting blocks are embedded into the first connecting groove and then push a first movable plate to move, the first movable plate is pushed to the top of the first connecting groove, the first movable plate is pushed downwards, a limiting plate is moved to one side of a first limiting groove, a second pushing block is pushed, the limiting plate is embedded into the first limiting groove, the connection of the connecting blocks and the first connecting groove is completed, a second transmission wheel on the first mounting block is in transmission fit with the first transmission wheel, a third transmission wheel on the second mounting block is in transmission fit with the first transmission wheel, a second transmission wheel on the first mounting block is in transmission fit with a third transmission wheel on the second mounting block, therefore, the transmission shafts on the two mounting blocks form transmission fit, so that the kinetic energy of the driving motor is dispersed on the plurality of mounting blocks, and the kinetic energy of the driving motor is reasonably utilized.

Claims (5)

1. The utility model provides a hollow fiber membrane micro-extraction system, includes box (1), locates extraction pipe (2) in box (1) and with extraction pipe (2) matched with installation piece (3), be equipped with a plurality of baffles in box (1), the baffle will box (1) is separated into a plurality of cavitys, extraction pipe (2) are located in the cavity, its characterized in that: a positioning block is arranged at the bottom of the cavity, a positioning groove matched with the positioning block is arranged at the bottom of the extraction tube (2), and a fixing plate (11) matched with the extraction tube (2) is arranged in the cavity; a driving motor (31) is arranged on the mounting block (3), a transmission shaft (331) is arranged on an output shaft of the driving motor (31), the transmission shaft (331) is arranged in the extraction tube (2) in a penetrating manner, and a stirring rod is arranged on the transmission shaft (331); a first movable cavity is formed in the mounting block (3), the transmission shaft (331) penetrates through the first movable cavity, a first transmission wheel (33) is arranged at the top of the transmission shaft (331), a second transmission wheel (34) and a third transmission wheel (35) which are matched with the first transmission wheel (33) are arranged in the first movable cavity, a first connecting groove is formed in the side wall of one side of the mounting block (3), a second connecting groove is formed in the side wall of the other side of the mounting block, and a connecting block (310) which is matched with the first connecting groove is arranged in the second connecting groove; a first fixed block matched with the cavity is arranged at the bottom of the mounting block (3), a first movable groove is arranged at the bottom of the first movable cavity, a first movable block (36) is arranged in the first movable groove, the second driving wheel (34) is arranged on the first movable block (36), the second driving wheel (34) can move up and down relative to the first movable block (36), and a first driving component for driving the first movable block (36) to move is arranged on the mounting block (3); a second movable cavity is arranged on the side wall of the first movable groove, the first transmission assembly comprises a first connecting rod (3202) movably connected to the side wall of the first movable block (36), a second connecting rod (3201) connected with the first connecting rod (3202) and a first push plate (3204) arranged on the second connecting rod (3201), and the first push plate (3204) is arranged in the first connecting groove; a sleeve (320) is rotatably connected in the second movable cavity, the first connecting rod (3202) and the second connecting rod (3201) are respectively arranged in the sleeve (320) in a penetrating manner, and the first connecting rod (3202) and the second connecting rod (3201) are connected through a connecting spring (3203); a third movable cavity is arranged on the inner wall of the first connecting groove, a reset spring (3205) is arranged on the side wall of the first push plate (3204), and one end of the reset spring (3205) is fixedly connected to the inner wall of the third movable cavity; a fourth movable cavity is arranged on the side wall of the first connecting groove, and a first lifting assembly used for driving the second driving wheel (34) to move up and down is arranged in the fourth movable cavity; the first lifting assembly comprises a rotating roller arranged in the fourth movable cavity, a transmission belt (37) wound on the rotating roller, and a second push plate (371) and a third push plate (372) arranged on the transmission belt (37), wherein the second push plate (371) and the third push plate (372) are respectively arranged on two sides of the fourth movable cavity; a fifth movable cavity is formed in the first movable block (36), a third connecting rod (341) is arranged at the bottom of the second driving wheel (34), and the third connecting rod (341) penetrates through the fifth movable cavity.
2. A hollow fiber membrane microextraction system according to claim 1 wherein: first movable tank bottom still is equipped with the second movable tank, the second movable tank is equipped with the second movable block, third drive wheel (35) are located on the second movable block, still be equipped with on installation piece (3) and be used for the drive the second drive assembly that the second movable block removed with be used for the drive elevating movement's second elevating assembly is done to third drive wheel (35), be equipped with first spout on the second spread groove inner wall, be equipped with first slider in the first spout, connecting block (310) rotatable coupling in on the first slider.
3. A hollow fiber membrane microextraction system according to claim 2 wherein: the connecting block (310) is provided with a sixth movable cavity, a limiting plate (3101) is arranged in the sixth movable cavity, a third movable groove is formed in the top of the sixth movable cavity, a first pushing block (3102) matched with the third movable groove is arranged on the top of the limiting plate (3101), and a first limiting groove matched with the limiting plate (3101) is formed in the inner wall of the first connecting groove.
4. A hollow fiber membrane microextraction system according to claim 3 wherein: the novel connecting groove is characterized in that a second sliding groove is formed in the inner wall of the first connecting groove, a third sliding groove is formed in the top of the second sliding groove, a seventh movable cavity is formed in the side wall of the first connecting groove, a first movable plate (39) is arranged in the seventh movable cavity, a second sliding block matched with the third sliding groove is arranged on the side wall of the first movable plate (39), an eighth movable cavity is formed in the first movable plate, a through cavity is formed in the eighth movable cavity, a second movable plate (391) is arranged in the eighth movable cavity, a second pushing block matched with the through cavity is arranged on the second movable plate (391), and a first groove matched with the first pushing block is formed in the bottom of the second movable plate (391).
5. A hollow fiber membrane microextraction system according to claim 1 wherein: be equipped with the second recess on fixed plate (11) lateral wall, be equipped with fixed spring (113) in the second recess, be equipped with the fourth movable groove on fixed plate (11), be equipped with second fixed block (111) in the fourth movable groove, second fixed block (111) can do the up-and-down motion in the fourth movable groove, be equipped with connecting plate (12) on the cavity inner wall, be equipped with on connecting plate (12) with second fixed block (111) matched with stopper.
CN201911288579.5A 2019-12-12 2019-12-12 Micro-extraction system of hollow fiber membrane Active CN110935194B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201911288579.5A CN110935194B (en) 2019-12-12 2019-12-12 Micro-extraction system of hollow fiber membrane
JP2020006435A JP6832481B1 (en) 2019-12-12 2020-01-18 Extraction system

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Application Number Priority Date Filing Date Title
CN201911288579.5A CN110935194B (en) 2019-12-12 2019-12-12 Micro-extraction system of hollow fiber membrane

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CN110935194B true CN110935194B (en) 2021-08-06

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CN114919633B (en) * 2022-05-05 2023-02-28 江阴市恒润传动科技有限公司 Transmission type conveniently-adjusted bearing mounting conveying device

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CN2411048Y (en) * 2000-01-04 2000-12-20 中国石油化工集团公司 Single-stage multipoint automatic extracting instrument
US6451273B2 (en) * 2000-06-13 2002-09-17 Dae-Kyu Jung Method of producing an active mineral liquid from granite
CN204017770U (en) * 2014-08-05 2014-12-17 阳泉市林兴磁性材料有限责任公司 A kind of energy-saving and cost-reducing agitating device
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CN110523106A (en) * 2019-09-06 2019-12-03 中国计量大学 A kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus

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