Solid-phase extraction device capable of rotationally switching feeding and receiving

Abstract

The utility model discloses a solid-phase extraction device capable of rotationally switching feeding and receiving, which comprises a three-dimensional supporting part arranged in an extraction chamber, a feeding turntable is arranged at the top of the three-dimensional supporting part, a receiving turntable is arranged at the bottom of the three-dimensional supporting part, and a solid-phase extraction column is arranged in the middle of the three-dimensional supporting part; feeding bins are arranged on the feeding rotary disc in a circumferential array mode, receiving bins are arranged on the receiving rotary disc in a circumferential array mode, and the feeding bins and the receiving bins are switched relative to the solid-phase extraction column through rotation of the feeding rotary disc and rotation of the receiving rotary disc respectively. The feeding bin comprises an activation bin, a sample adding bin, a leaching bin and an elution bin; the material receiving bin comprises an activation material receiving bin, a sample adding material receiving bin, a leaching material receiving bin and an elution material receiving bin. Feeding and receiving of the relative solid-phase extraction column are achieved through rotation of the charging tray, extraction operation can be completed according to the processes of activation, sample adding, leaching and elution of solid-phase extraction, and the completion degree and the automation efficiency of the sample extraction process are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of solid phase extraction equipment, in particular to a solid phase extraction device capable of rotating and switching feeding and receiving of materials. Background Art

[0002] During the solid phase extraction operation of organic samples, the extraction process is activation → sample addition → elution → washing. In the existing operation, single steps are mostly done manually. Not only is the amount of material difficult to control, but a lot of time is also consumed during a single extraction operation. The extraction process is not completed well within the limited time and the degree of automation is low. Summary of the invention

[0003] Purpose of the invention: In order to overcome the deficiencies in the prior art, the utility model provides a solid phase extraction device for rotating and switching feeding and receiving, which realizes feeding and receiving relative to the solid phase extraction column by rotating the material tray, and can complete the extraction operation according to the solid phase extraction activation, sample addition, rinsing and elution process, thereby improving the completeness and automation efficiency of the sample extraction process.

[0004] Technical solution: To achieve the above-mentioned purpose, the utility model is a solid-phase extraction device for rotating and switching feeding and receiving, comprising a three-dimensional support portion arranged in an extraction chamber, the top of the three-dimensional support portion is provided with a feeding turntable, the bottom is provided with a receiving turntable and the middle is provided with a solid-phase extraction column; the feeding turntable is provided with a feeding bin in a circumferential array, the receiving turntable is provided with a receiving bin in a circumferential array, and the feeding bin and the receiving bin are respectively switched relative to the solid-phase extraction column by rotating the feeding turntable and the receiving turntable.

[0005] Furthermore, the feeding bin includes an activation bin, a sample adding bin, a leaching bin and an elution bin; the receiving bin includes an activation receiving bin, a sample adding receiving bin, a leaching receiving bin and an elution receiving bin.

[0006] Furthermore, the feeding bin is fixedly embedded on the feeding turntable, the top of which is an open feeding port, and the bottom is a discharge port connected to a discharge valve.

[0007] Furthermore, the material receiving bin is placed and embedded on the material receiving turntable, and the material receiving bin has a handle extending beyond the edge of the material receiving turntable.

[0008] Furthermore, the solid phase extraction column is composed of sieve plate limiting filler columns arranged in upper and lower positions in the tube body.

[0009] Furthermore, it includes a turntable driving part, and the feeding turntable and the receiving turntable are respectively driven to rotate by the corresponding turntable driving parts installed at both ends of the three-dimensional support part.

[0010] Furthermore, the top of the extraction chamber is provided with a top chamber door and a side chamber door, and the three-dimensional support part is a liftable support mechanism that can drive the feeding turntable and the feeding bin to enter and exit the extraction chamber through the chamber door.

[0011] Furthermore, the solid phase extraction column is connected to the three-dimensional support portion via an extraction column connecting portion, and the three-dimensional support portion is connected to the inner wall of the extraction chamber via a corresponding connecting frame.

[0012] Beneficial effects: The utility model realizes feeding and receiving materials relative to the solid phase extraction column through the rotation of the material plate, and can complete the extraction operation according to the solid phase extraction activation, sample addition, elution and washing process, thereby improving the completion degree of the sample extraction process, improving the automation degree of solid phase extraction, and improving the efficiency of solid phase extraction operations, and is suitable for large-scale promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Attached Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Attached Figure 2 It is a structural schematic diagram of the three-dimensional support part, the feeding turntable, the receiving turntable and their connecting parts. DETAILED DESCRIPTION

[0015] The utility model is further described below in conjunction with the accompanying drawings.

[0016] As attached Figure 1 and attached Figure 2 As shown, the solid phase extraction device for rotating switching between feeding and receiving comprises a three-dimensional support part 2 arranged in an extraction chamber 1, the top of the three-dimensional support part 2 is provided with a feeding turntable 3, the bottom is provided with a receiving turntable 4, and the middle is provided with a solid phase extraction column 5; the feeding turntable 3 is provided with a feeding bin 6 in a circumferential array, and the receiving turntable 4 is provided with a receiving bin 7 in a circumferential array, and the feeding bin 6 and the receiving bin 7 are respectively switched relative to the solid phase extraction column 5 by rotating the feeding turntable 3 and the receiving turntable 4. The feeding bin 6 comprises an activation bin 6a, a sample addition bin 6b, a leaching bin 6c, and an elution bin 6d; the receiving bin 7 comprises an activation receiving bin 7a, a sample addition receiving bin 7b, a leaching receiving bin 7c, and an elution receiving bin 7d. The utility model realizes feeding and receiving materials relative to the solid phase extraction column 5 by rotating the material tray, and can complete the extraction operation according to the solid phase extraction activation, sample addition, elution and washing process, thereby improving the completion degree of the sample extraction process, improving the automation degree of solid phase extraction, and improving the efficiency of solid phase extraction operation.

[0017] As attached Figure 2 As shown, the feeding bin 6 is fixedly embedded on the feeding turntable 3, specifically fixed by screws and nuts, with the top being an open feed port and the bottom being a discharge port for docking with a discharge valve 9. The discharge valve 9 is an electric valve to improve the degree of automation and accurately control the discharge amount.

[0018] As attached Figure 2 As shown, the receiving bin 7 is placed and embedded on the receiving turntable 4, and the receiving bin 7 has a handle 70 extending beyond the edge of the receiving turntable 4, that is, it is detachably installed, thereby facilitating the taking and placing of the receiving bin 7.

[0019] More specifically, as Figure 1 As shown, the solid phase extraction column 5 is composed of a tube body 51 in which a sieve plate 52 is arranged at the upper and lower positions to limit the filling column 53. The tube body 51 can be made of a medical grade polypropylene tube, and the sieve plate 52 can be made of a 20 μm porous polypropylene material.

[0020] As attached Figure 1 or attached Figure 2 As shown, the utility model includes a turntable drive unit 8, and the feed turntable 3 and the receiving turntable 4 are respectively driven to rotate by the corresponding turntable drive units 8 installed at both ends of the three-dimensional support unit 2. The turntable drive unit 8 is preferably an electric turntable, which is coaxially connected to the material tray. In addition, the electric turntable drives the feed turntable 3 and the receiving turntable 4 to rotate synchronously, so that the feed bin 6 and the receiving bin 7 are separated by the solid phase extraction column 5 in the vertical direction and correspond to each other. For example, in the elution step, the elution bin 6c, the solid phase extraction column 5, and the elution receiving bin 7c correspond vertically from top to bottom.

[0021] As attached Figure 1 As shown, the solid phase extraction column 5 is connected to the three-dimensional support part 2 through the extraction column connection part 50, and the three-dimensional support part 2 is connected to the inner wall of the extraction chamber 1 through the corresponding connection frame 20. The top of the extraction chamber 1 is provided with a top chamber door 10 and a side chamber door 11, and the three-dimensional support part 2 is a liftable support mechanism that can drive the feeding turntable 3 and the feeding bin 6 to enter and exit the extraction chamber 1 through the chamber door 10. The liftable support mechanism is preferably an electric push rod, and the purpose of the liftable support mechanism is to facilitate the refilling of the feeding bin 6.

[0022] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A solid phase extraction device for rotating switching feeding and receiving, characterized in that: The invention comprises a three-dimensional support part (2) arranged in an extraction chamber (1), wherein a feeding turntable (3) is arranged on the top of the three-dimensional support part (2), a receiving turntable (4) is arranged on the bottom, and a solid phase extraction column (5) is arranged in the middle; feeding bins (6) are arranged in a circumferential array on the feeding turntable (3), and receiving bins (7) are arranged in a circumferential array on the receiving turntable (4); the feeding bins (6) and the receiving bins (7) are respectively switched relative to the solid phase extraction column (5) by the rotation of the feeding turntable (3) and the receiving turntable (4).

2. The solid phase extraction device for rotating switching feeding and receiving materials according to claim 1 is characterized in that: The feeding bin (6) comprises an activation bin (6a), a sample addition bin (6b), a rinse bin (6c) and an elution bin (6d); the receiving bin (7) comprises an activation receiving bin (7a), a sample addition receiving bin (7b), a rinse receiving bin (7c) and an elution receiving bin (7d).

3. The solid phase extraction device for rotating switching feeding and receiving materials according to claim 1, characterized in that: The feeding bin (6) is fixedly mounted on the feeding turntable (3), with its top being an open feeding port and its bottom being a discharge port connected to a discharge valve (9).

4. The solid phase extraction device for rotating switching feeding and receiving materials according to claim 1, characterized in that: The material receiving bin (7) is placed and embedded on the material receiving turntable (4), and the material receiving bin (7) has a handle (70) extending beyond the edge of the material receiving turntable (4).

5. The solid phase extraction device for rotating switching feeding and receiving materials according to claim 1, characterized in that: The solid phase extraction column (5) is composed of a sieve plate (52) and a limiting filler column (53) arranged in upper and lower positions within a tube body (51).

6. The solid phase extraction device for rotating switching feeding and receiving materials according to claim 1, characterized in that: It comprises a turntable driving part (8), wherein the feeding turntable (3) and the receiving turntable (4) are respectively driven to rotate by the corresponding turntable driving parts (8) installed at both ends of the three-dimensional support part (2).

7. The solid phase extraction device for rotating switching feeding and receiving materials according to claim 1, characterized in that: The top of the extraction chamber (1) is provided with a top chamber door (10) and a side chamber door (11), and the three-dimensional support portion (2) is a liftable support mechanism capable of driving the feeding turntable (3) and the feeding bin (6) to enter and exit the extraction chamber (1) through the chamber door (10).

8. The solid phase extraction device for rotating switching feeding and receiving materials according to claim 7, characterized in that: The solid phase extraction column (5) is connected to the three-dimensional support portion (2) via an extraction column connection portion (50), and the three-dimensional support portion (2) is connected to the inner wall of the extraction chamber (1) via a corresponding connection frame (20).

Images