CN221206896U

CN221206896U - Full-automatic extraction instrument

Info

Publication number: CN221206896U
Application number: CN202323080988.0U
Authority: CN
Inventors: 许家晖; 卢华东; 张玉成; 郑雯; 张培磊
Original assignee: Ningbo Rannuo Scientific Instrument Co ltd
Current assignee: Ningbo Rannuo Scientific Instrument Co ltd
Priority date: 2023-11-14
Filing date: 2023-11-14
Publication date: 2024-06-25
Anticipated expiration: 2033-11-14

Abstract

The utility model discloses a full-automatic extraction instrument, which comprises: the extraction mechanism comprises an extraction bottle, a concentration bottle and a sample tray, wherein the sample tray is provided with a plurality of extraction placing parts and a plurality of concentration placing parts, and the extraction mechanism further comprises a rotating motor; the stirring mechanism comprises a magnetic stirring piece, a magnetic driving piece and a stirring motor; the liquid taking mechanism comprises a liquid suction pipe, a syringe, a separation pipe, a multi-way syringe pump and a peristaltic pump, wherein the liquid suction pipe is communicated with the separation pipe through the peristaltic pump, the syringe is communicated with the multi-way syringe pump, and the multi-way syringe pump is used for communicating an organic reagent bottle; the liquid taking mechanism further comprises a lifting mechanical arm, the lifting mechanical arm is arranged above the extraction placing part, and the liquid suction pipe and the injection pipe are arranged on the lifting mechanical arm; the liquid draining mechanism comprises a rotary mechanical arm and a liquid draining groove, wherein a liquid draining port is arranged on the rotary mechanical arm. The utility model can improve the convenience of stirring operation.

Description

Full-automatic extraction instrument

Technical Field

The utility model relates to the technical field of test instruments, in particular to a full-automatic extraction instrument.

Background

Extraction, also known as solvent extraction or liquid-liquid extraction, is a unit operation that utilizes the differential solubility of components of the system in a solvent to separate a mixture. That is, the method is a method of transferring a solute substance from one solvent to the other solvent by utilizing the difference in solubility or partition coefficient of the substance in two solvents which are not compatible (or slightly soluble) with each other. Widely applied to the industries of chemistry, metallurgy, food and the like and is generally applied to the petroleum refining industry. An extractor, which is capable of extracting a desired compound from a solid or liquid mixture by extraction, thereby purifying and purifying the compound. The existing extractors in the market are various in types, and include automatic solid-phase extractors, supercritical extractors, microwave digestion extractors, ultrasonic extractors, perforation extractors, flux extractors and the like.

At present, chinese patent publication No. CN112451994A discloses a full-automatic liquid-liquid extraction instrument, which integrates a plurality of water sample extraction and separation processes in a laboratory into a full-automatic instrument, and fully realizes full automation of water sample extraction, separation and collection processes. However, the full-automatic liquid-liquid extraction instrument uses the stirring rod to stir the water sample, the water sample after stirring can remain on the stirring rod, and the residual water sample after the stirring rod is moved out easily pollutes the operation table, so that the use is inconvenient.

Disclosure of utility model

The utility model provides a full-automatic extraction instrument, which can improve the convenience of stirring operation.

In order to solve the above technical problems, the present utility model provides a fully automatic extractor, which is characterized by comprising:

The extraction mechanism comprises an extraction bottle, a concentration bottle and a sample tray, wherein the sample tray is provided with a plurality of extraction placing parts and a plurality of concentration placing parts, the extraction bottle is placed in the extraction placing parts, the concentration bottle is placed in the concentration placing parts, and the extraction mechanism further comprises a rotating motor which is in transmission connection with the sample tray;

The stirring mechanism comprises a magnetic stirring piece, a magnetic driving piece and a stirring motor, wherein the magnetic stirring piece is used for being placed in the extraction bottle, the magnetic driving piece is connected with the stirring motor, and the magnetic driving piece is arranged below the extraction placing part and at a position corresponding to the magnetic stirring piece;

The liquid taking mechanism comprises a liquid suction pipe, a syringe, a separation pipe, a multi-way syringe pump and a peristaltic pump, wherein the liquid suction pipe is communicated with the separation pipe through the peristaltic pump, the syringe is communicated with the multi-way syringe pump, and the multi-way syringe pump is used for communicating an organic reagent bottle; the liquid taking mechanism further comprises a lifting mechanical arm, the lifting mechanical arm is arranged above the extraction placing part, the liquid suction pipe and the injection pipe are arranged on the lifting mechanical arm, and the lifting mechanical arm can drive the liquid suction pipe and the injection pipe to move up and down relative to the extraction placing part;

The liquid draining mechanism comprises a rotary mechanical arm and a liquid draining groove, wherein a liquid draining port is formed in the rotary mechanical arm and is communicated with the separating tube through the multi-way injection pump, and the rotary mechanical arm can drive the liquid draining port to move to the position above the liquid draining groove and the position above the concentration placing part.

As the optimization of the technical scheme, the lifting mechanical arm is further provided with a rotary clamping jaw, the extraction bottle is provided with a bottle cap, the position of the rotary clamping jaw corresponds to the position of the bottle cap, and the rotary clamping jaw is used for screwing the bottle cap.

As the preference of above-mentioned technical scheme, extraction mechanism still includes clamping device, clamping device's position corresponds with the position of lifting mechanical arm, clamping device includes first clamp piece and clamp motor, first clamp piece with clamp motor connects, first clamp piece with extraction is placed the position correspondence of portion.

As the optimization of the technical scheme, the bottom of the sample tray extends upwards to form a plurality of arc-shaped bulges, and the arc-shaped bulges are the extraction placement parts.

Preferably, the extraction placement portion is provided with a second clamping block, and the position of the second clamping block corresponds to the position of the first clamping block.

As a preferable mode of the above technical solution, the first clamping block and the second clamping block are both provided with a cushion pad.

As the optimization of the technical scheme, the sample tray is provided with the fixing support, the fixing support is provided with the plurality of fixing holes, the fixing holes are the concentration placing parts, and the concentration bottle is inserted into the fixing holes.

As a preferable mode of the above technical scheme, the sample tray is provided with a plurality of identification parts, and the positions of the identification parts correspond to the positions of the extraction placing part and the concentration placing part.

As the preferable choice of the technical proposal, the concentration bottle is provided with a sand core funnel.

As the preference of above-mentioned technical scheme, rabbling mechanism includes the stirring piece, the stirring piece with the agitator motor is connected, the magnetic drive piece is installed on the stirring piece, magnetic drive piece quantity is 2, 2 the magnetic drive piece symmetric distribution is in on the stirring piece.

The utility model provides a full-automatic extraction instrument, which is characterized by comprising the following components: when the device is used, a water sample is poured into an extraction bottle, a rotating motor drives a sample tray to rotate, the extraction bottle filled with the water sample is driven to move below a lifting mechanical arm, the lifting mechanical arm drives a liquid suction pipe and a syringe to extend into the extraction bottle filled with the water sample, a multi-way injection pump is arranged in an organic reagent bottle, extracts an organic reagent and injects the organic reagent into the extraction bottle filled with the water sample through the syringe, a stirring motor is started, the stirring motor drives a magnetic driving piece to rotate, the magnetic stirring piece placed in the extraction bottle is driven to rotate under the influence of the rotation of a magnetic field of the magnetic driving piece, and the rotation of the magnetic stirring piece drives the organic reagent in a water sample cup to stir and extract; standing after extraction is finished, layering liquid, starting a peristaltic pump to pump all water samples and organic reagents in a water sample cup into an organic reagent separation tube through a liquid suction tube, discharging layered wastewater into a liquid discharge groove through a liquid discharge port by utilizing a multi-way injection pump, driving the liquid discharge port to move above a concentration placing part by using a rotary mechanical arm, enabling organic extraction reagents in the separation tube to flow into a concentration bottle through the liquid discharge port by using the multi-way injection pump, and after all reagents in the separation tube are collected into the concentration tube, enabling the rotary mechanical arm to move above the liquid discharge groove, and sucking the organic reagents in the organic reagent bottle by using the multi-way injection pump to carry out a pipeline cleaning process; the magnetic stirring piece is driven by the magnetic driving piece to stir the water sample, and the magnetic stirring piece does not need to leave the extraction bottle in the whole process, so that the operation table cannot be polluted, and the use convenience is improved.

The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present utility model more readily apparent.

Drawings

FIG. 1 is a schematic perspective view of a fully automatic extractor according to an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of an extraction mechanism and a liquid extraction mechanism of a fully automatic extractor according to an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of a stirring mechanism of a fully automatic extractor according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a fully automatic extractor according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of an extraction bottle of a fully automatic extractor according to an embodiment of the present utility model;

In the figure: 1. an extraction mechanism; 2. a stirring mechanism; 3. a liquid taking mechanism; 4. a liquid discharge mechanism; 101. an extraction bottle; 102. concentrating the bottle; 103. a sample tray; 104. an extraction placement unit; 105. a concentrating and placing part; 106. a rotating electric machine; 107. a bottle cap; 108. a clamping device; 109. a first clamping block; 110. clamping a motor; 111. a second clamping block; 112. a cushion pad; 113. a fixed bracket; 114. a fixing hole; 115. a marking part; 116. a sand core funnel; 201. a magnetic stirring member; 202. a magnetic driving member; 203. a stirring motor; 204. stirring sheets; 301. a pipette; 302. a syringe; 303. a separation tube; 304. a multi-way syringe pump; 305. a peristaltic pump; 306. a lifting mechanical arm; 307. rotating the clamping jaw; 401. rotating the mechanical arm; 402. a liquid discharge tank; 403. and a liquid outlet.

Detailed Description

In order to make the objects, features and advantages of the present utility model more comprehensible, the technical solutions according to the embodiments of the present utility model will be clearly described in the following with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, an embodiment of the present utility model provides a fully automatic extractor, which is characterized by comprising:

The extraction mechanism 1 comprises an extraction bottle 101, a concentration bottle 102 and a sample disc 103, wherein the sample disc 103 is provided with a plurality of extraction placing parts 104 and a plurality of concentration placing parts 105, the extraction bottle 101 is placed in the extraction placing parts 104, the concentration bottle 102 is placed in the concentration placing parts 105, the extraction mechanism 1 further comprises a rotating motor 106, and the rotating motor 106 is in transmission connection with the sample disc 103;

the stirring mechanism 2 comprises a magnetic stirring piece 201, a magnetic driving piece 202 and a stirring motor 203, wherein the magnetic stirring piece 201 is used for being placed in the extraction bottle 101, the magnetic driving piece 202 is connected with the stirring motor 203, and the magnetic driving piece 202 is arranged below the extraction placement part 104 and at a position corresponding to the magnetic stirring piece 201;

The liquid taking mechanism 3 comprises a liquid suction pipe 301, a syringe 302, a separation pipe 303, a multi-way syringe pump 304 and a peristaltic pump 305, wherein the liquid suction pipe 301 is communicated with the separation pipe 303 through the peristaltic pump 305, the syringe 302 is communicated with the multi-way syringe pump 304, and the multi-way syringe pump 304 is used for communicating an organic reagent bottle; the liquid taking mechanism 3 further comprises a lifting mechanical arm 306, the lifting mechanical arm 306 is arranged above the extraction placement portion 104, the liquid suction pipe 301 and the injection pipe 302 are arranged on the lifting mechanical arm 306, and the lifting mechanical arm 306 can drive the liquid suction pipe 301 and the injection pipe 302 to move up and down relative to the extraction placement portion 104;

The liquid draining mechanism 4 comprises a rotating mechanical arm 401 and a liquid draining groove 402, wherein a liquid draining port 403 is formed in the rotating mechanical arm 401, the liquid draining port 403 is communicated with the separating tube 303 through the multi-way injection pump 304, and the rotating mechanical arm 401 can drive the liquid draining port 403 to move to the position above the liquid draining groove 402 and the position above the concentration placing portion 105.

The embodiment of the utility model provides a full-automatic extraction instrument, which is characterized by comprising the following components: when the water sample extracting device is used, a water sample is poured into the extracting bottle 101, the rotating motor 106 drives the sample tray 103 to rotate, the extracting bottle 101 filled with the water sample is driven to move below the lifting mechanical arm 306, the lifting mechanical arm 306 drives the liquid suction pipe 301 and the injection pipe 302 to extend into the extracting bottle 101 filled with the water sample, the multi-way injection pump 304 is arranged in an organic reagent bottle and is used for extracting the organic reagent, the injection pipe 302 is used for injecting the organic reagent into the extracting bottle 101 filled with the water sample, the stirring motor 203 is started, the stirring motor 203 drives the magnetic driving piece 202 to rotate, the magnetic stirring piece 201 placed in the extracting bottle 101 is driven by the magnetic field rotation of the magnetic driving piece 202 to rotate, and the magnetic stirring piece 201 rotates to drive the organic reagent in the water sample cup to stir and extract; standing after extraction is completed, layering liquid, starting a peristaltic pump 305 to pump all water samples and organic reagents in a water sample cup into an organic reagent separation tube 303 through a liquid suction tube 301, discharging layered wastewater into a liquid discharge groove 402 through a liquid discharge port 403 by using a multi-way injection pump 304, driving the liquid discharge port 403 to move above a concentration placing part 105 by using a rotary mechanical arm 401, enabling organic extraction reagents in the separation tube 303 to flow into a concentration bottle 102 through the liquid discharge port 403 by using the multi-way injection pump 304, and after all reagents in the separation tube 303 are collected into the concentration tube, enabling the rotary mechanical arm 401 to move above the liquid discharge groove 402, and sucking the organic reagents in the organic reagent bottle by using the multi-way injection pump 304 to perform a pipeline cleaning process; the magnetic stirring piece 201 is driven by the magnetic driving piece 202 to stir the water sample, and the magnetic stirring piece 201 does not need to leave the extraction bottle 101 in the whole process, so that an operation table cannot be polluted, and the use convenience is improved.

In a further implementation manner of this embodiment, the lifting mechanical arm 306 is further provided with a rotating clamping jaw 307, the extraction bottle 101 is provided with a bottle cap 107, the position of the rotating clamping jaw 307 corresponds to the position of the bottle cap 107, and the rotating clamping jaw 307 is used for screwing the bottle cap 107.

In this embodiment, the extraction bottle 101 is provided with the bottle lid 107, can avoid the water sample spill outside the extraction bottle 101 at stirring extraction's in-process, avoid polluting the operation panel, improve the convenience of use. When in use, the lifting mechanical arm 306 drives the rotary clamping jaw 307 to move up and down, and the bottle cap 107 is screwed down and unscrewed through the rotary clamping jaw 307, so that manual operation is not needed, and the operation convenience is improved.

In a further implementation manner of this embodiment, the extraction mechanism 1 further includes a clamping device 108, where a position of the clamping device 108 corresponds to a position of the lifting mechanical arm 306, and the clamping device 108 includes a first clamping block 109 and a clamping motor 110, where the first clamping block 109 is connected to the clamping motor 110, and where the first clamping block 109 corresponds to a position of the extraction placement portion 104.

In this embodiment, the extraction mechanism 1 further includes a clamping device 108, where the position of the clamping device 108 corresponds to the position of the lifting mechanical arm 306, when the sample tray 103 rotates to drive the extraction bottle 101 to move below the lifting mechanical arm 306, the clamping mechanism is started, and the extraction bottle 101 is fixed in the extraction placement portion 104 by the first clamping block 109, so that the extraction bottle 101 is prevented from falling down due to shaking during the stirring extraction process, and thus potential safety hazards are avoided.

In a further implementation manner of this embodiment, the bottom of the sample tray 103 extends upward to form a plurality of arc-shaped protrusions, and the arc-shaped protrusions are the extraction placement portions 104.

In this embodiment, the bottom of the sample tray 103 extends upward to form a plurality of arc-shaped protrusions, the shape of the inner side wall of each arc-shaped protrusion corresponds to the shape of the extraction bottle 101, and the first clamping portion is matched with the shape of the extraction bottle 101, so that the extraction bottle 101 can be better clamped.

In a further implementation of the present embodiment, the extraction placement portion 104 is provided with a second clamping block 111, and a position of the second clamping block 111 corresponds to a position of the first clamping block 109.

In this embodiment, the extraction bottle 101 is preferably clamped by providing the extraction placement portion 104 with the second clamping block 111, and the second clamping block 111 is matched with the first clamping block 109.

In a further implementation of this embodiment, a cushion pad 112 is provided on each of the first clamping block 109 and the second clamping block 111.

In this embodiment, the buffer pads 112 are disposed on the first clamping block 109 and the second clamping block 111, and when the extraction bottle 101 is clamped, the buffer pads 112 on the first clamping block 109 and the second clamping block 111 are abutted to the outer side wall of the extraction bottle 101, so that a buffering and damping effect can be achieved, and a better effect of clamping the extraction bottle 101 is achieved.

In a further implementation manner of this embodiment, a fixing bracket 113 is provided on the sample tray 103, a plurality of fixing holes 114 are provided on the fixing bracket 113, the fixing holes 114 are the concentration placing portion 105, and the concentration bottle 102 is inserted into the fixing holes 114.

In this embodiment, the concentration bottle 102 is used for containing the separated organic extraction reagent in the re-extraction process, so that the concentration tube is only required to be inserted into the fixing hole 114, and no additional clamping is required, thereby improving the operation convenience.

In a further implementation manner of this embodiment, the sample tray 103 is provided with a plurality of identification parts 115, and positions of the identification parts 115 correspond to positions of the extraction placement part 104 and the concentration placement part 105.

In this embodiment, the identification portion 115 is configured to identify the extraction placement portion 104 and the concentration placement portion 105 in different positions, so that an operator can intuitively see the placement positions of the extraction bottle 101 and the concentration bottle 102, and operation convenience is improved.

In a further implementation of this embodiment, the concentrate bottle 102 is provided with a sand core funnel 116.

In this embodiment, the concentration bottle 102 is provided with a sand core funnel 116, anhydrous sodium sulfate is disposed in the sand core funnel 116, and when the organic extraction reagent in the separation tube 303 is collected, the organic extraction reagent flows through the anhydrous sodium sulfate on the sand core funnel 116 to remove the moisture contained in the organic extraction reagent, and the organic extraction reagent is collected in the concentration bottle 102 below, so that all the liquid entering the concentration bottle 102 is ensured to be an organic extraction liquid.

In a further implementation manner of this embodiment, the stirring mechanism 2 includes a stirring blade 204, the stirring blade 204 is connected with the stirring motor 203, the magnetic driving pieces 202 are installed on the stirring blade 204, the number of the magnetic driving pieces 202 is 2, and 2 magnetic driving pieces 202 are symmetrically distributed on the stirring blade 204.

In this embodiment, the number of the magnetic driving members 202 is 2, so that the magnetic stirring member 201 can be more stable during rotation.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A fully automatic extractor, comprising:

2. The full-automatic extractor according to claim 1, wherein the lifting mechanical arm is further provided with a rotating clamping jaw, the extraction bottle is provided with a bottle cap, the position of the rotating clamping jaw corresponds to the position of the bottle cap, and the rotating clamping jaw is used for screwing the bottle cap.

3. The fully automatic extractor of claim 1 wherein the extractor further comprises a clamping device, the clamping device having a position corresponding to the position of the lifting arm, the clamping device comprising a first clamping block and a clamping motor, the first clamping block being connected to the clamping motor, the first clamping block corresponding to the position of the extraction placement portion.

4. The fully automatic extractor of claim 3 wherein the bottom of the sample tray extends upward to form a plurality of arcuate projections, the arcuate projections being the extraction placement portions.

5. The apparatus according to claim 4, wherein the extraction placement portion is provided with a second clamping block, and the second clamping block corresponds to the first clamping block in position.

6. The fully automatic extractor of claim 5 wherein the first and second clamping blocks are each provided with a cushion pad.

7. The fully automatic extractor of claim 1 wherein a fixed support is provided on the sample tray, a plurality of fixed holes are provided on the fixed support, the fixed holes are the concentrating placement portions, and the concentrating bottle is inserted into the fixed holes.

8. The fully automatic extractor of claim 1 wherein the sample tray is provided with a plurality of identification portions, the positions of the identification portions corresponding to the positions of the extraction placement portion and the concentration placement portion.

9. The fully automatic extractor of claim 1 wherein the concentrate bottle is provided with a sand core funnel.

10. The fully automatic extractor of claim 1 wherein the stirring mechanism comprises stirring blades connected to the stirring motor, the magnetic driving members are mounted on the stirring blades, the number of the magnetic driving members is 2, and the 2 magnetic driving members are symmetrically distributed on the stirring blades.