CN211927469U

CN211927469U - A automatic extraction element of sample for cosmetics are forbidden to use component detection

Info

Publication number: CN211927469U
Application number: CN202020497739.9U
Authority: CN
Inventors: 邹惠玲; 周莉莉; 杜营; 侯广月; 王一村; 卞英芳; 刘金霞; 刘丽洁
Original assignee: Shandong Institute for Product Quality Inspection
Current assignee: Shandong Institute for Product Quality Inspection
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-11-13
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses an automatic extraction element of sample that is used for forbidden component of using of cosmetics to detect, include ultrasonic cleaning tank and automatic extract device that adds. A centrifugal tube mounting rack with adjustable height is arranged in the ultrasonic cleaning tank, and the centrifugal tube mounting rack is detachable and can be used for placing a plurality of centrifugal tubes simultaneously; a plurality of liquid inlet pipes are arranged above the ultrasonic cleaning tank, each liquid inlet pipe is communicated with a centrifugal pipe, a plurality of liquid inlet pipes are connected with peristaltic pumps, and the peristaltic pumps are communicated with reagent bottles. The device has increased the automatic device that adds the extract on ultrasonic cleaner basis, draws the ultrasonic extraction and the extract operation integration of adding of earlier stage together, has realized the automation of whole extraction process to a certain extent simultaneously.

Description

A automatic extraction element of sample for cosmetics are forbidden to use component detection

Technical Field

The utility model relates to a sample detection field especially relates to cosmetics are forbidden to use component detection.

Background

The extraction mode adopted by the detection of most of components for the forbidden use of cosmetics is ultrasonic extraction, as shown in figure 1, the extraction mode is a common ultrasonic cleaning machine schematic diagram, and the extraction mode mainly comprises an ultrasonic cleaning tank 1, a vibration surface steel plate 2, an ultrasonic transducer 3 and a liquid discharge port 4. The plastic centrifuge tube containing the sample is added with a certain volume of extracting solution manually, then the centrifuge tube is placed into an ultrasonic cleaning machine for ultrasonic extraction, the whole extraction operation process is carried out in a sub-module mode, manual operation is carried out, and efficiency is low.

Disclosure of Invention

In order to solve the problem, the utility model discloses an automatic extraction element of sample that is used for cosmetics forbidden limit to detect with component, the device have increased the automatic device that adds the extract on ultrasonic cleaner basis, draw the supersound and add the extract operation in earlier stage and integrate together, have realized the automation of whole extraction process to a certain extent simultaneously.

An automatic sample extraction device for detecting components for cosmetic confinement comprises an ultrasonic cleaning tank and an automatic extract adding device; a centrifugal tube mounting rack with adjustable height is arranged in the ultrasonic cleaning tank, and the centrifugal tube mounting rack is detachable and can be used for placing a plurality of centrifugal tubes at the same time; ultrasonic cleaning tank top is provided with a plurality of feed liquor pipes, and every feed liquor pipe all communicates a centrifuging tube, and a plurality of feed liquor union couplings have the peristaltic pump, the peristaltic pump intercommunication has the reagent bottle.

Preferably, each liquid inlet pipe is provided with a flow regulating valve.

Preferably, the plurality of liquid inlet pipes are jointly communicated with a collecting pipe, the collecting pipe is communicated with a peristaltic pump, and a flow meter is arranged on the collecting pipe.

Preferably, the centrifuge tube mounting bracket includes the extension board of taking the mounting hole, the extension board is connected with a plurality of screws, install the nut on the screw rod, the extension board passes through the nut with the screw rod and fixes.

Preferably, a threaded seat is installed in the ultrasonic cleaning tank, the threaded seat is connected with a screw rod, and the installation height of the screw rod in the threaded seat is adjustable.

The utility model has the advantages that:

(1) the utility model discloses draw the supersound and draw solution operation with the interpolation of earlier stage and integrate, realized the device integration, shortened the pretreatment time to a certain extent, improved pretreatment efficiency.

(2) The peristaltic pump is used for quantitatively conveying the extraction solution, so that errors caused by manual operation are avoided, and the accuracy of a detection result is improved.

(3) The fixed support is added into the ultrasonic cleaning machine, so that the centrifugal tube can be prevented from being toppled in the ultrasonic extraction process.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a conventional ultrasonic extraction apparatus in the background art;

FIG. 2 is the schematic diagram of the automatic sample extraction device of the present invention

In the figure: 1. Ultrasonic cleaning tank, 2, vibrations face steel sheet, 3, ultrasonic transducer, 4, leakage fluid dram, 5, centrifuging tube mounting bracket, 6, centrifuging tube, 7, apron, 8, flow control valve, 9, feed liquor pipe, 10, flowmeter, 11, peristaltic pump, 12, reagent bottle.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it should be understood that the terms "inside", "outside", "left" and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The utility model discloses a as shown in fig. 2 a sample automatic extraction element that is used for forbidden limit of cosmetics to detect with component is provided with height-adjustable's centrifuging tube mounting bracket 5 in ultrasonic cleaning tank 1, for the dismantlement formula on the centrifuging tube mounting bracket, can have placed a plurality of centrifuging tubes 6 simultaneously, ultrasonic cleaning tank top is provided with a plurality of feed liquor pipes 9, and flow control valve 8 is all installed to every feed liquor pipe, and every feed liquor pipe all communicates a centrifuging tube, and a plurality of feed liquor pipes are common with the collection pipe intercommunication, install flowmeter 10 on the collection pipe, collection pipe and peristaltic pump 11 intercommunication, and the peristaltic pump intercommunication has reagent bottle 12.

The working principle of the device is as follows:

the plastic centrifuge tube with the weighed sample is placed in a clamping groove of an ultrasonic cleaning machine, water with a certain volume is injected into the cleaning groove, and then the connected cover plate 7 is placed on the ultrasonic cleaning machine. And opening the corresponding flow regulating valve 8 and the peristaltic pump 11, pumping the extraction solution with a certain volume into the centrifugal tube, closing the peristaltic pump 11, opening the ultrasonic cleaning machine to set the ultrasonic time, and performing ultrasonic cleaning. The device has increased the device of autoinjection on ultrasonic cleaner basis, draws the supersound and adds the extract operation integration in earlier stage, has realized the automation of whole extraction process to a certain extent simultaneously.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic sample extraction device for detecting components for cosmetic confinement is characterized by comprising an ultrasonic cleaning tank and an automatic extracting solution adding device; a centrifugal tube mounting rack with adjustable height is arranged in the ultrasonic cleaning tank, is detachable and can be used for placing a plurality of centrifugal tubes simultaneously; ultrasonic cleaning tank top is provided with a plurality of feed liquor pipes, and every feed liquor pipe all communicates a centrifuging tube, and a plurality of feed liquor union couplings have the peristaltic pump, the peristaltic pump intercommunication has the reagent bottle.

2. The automatic sample extraction device for the detection of components for cosmetic prohibitions according to claim 1, wherein each liquid inlet pipe is provided with a flow regulating valve.

3. The automated sample extraction device for the detection of cosmetic forbidden components of claim 1, wherein a plurality of liquid inlet pipes are commonly communicated with a collection pipe, the collection pipe is communicated with a peristaltic pump, and a flow meter is arranged on the collection pipe.

4. The automatic sample extraction device for detecting the components for the forbidden limit of cosmetics according to claim 1, wherein the centrifugal tube mounting rack comprises a support plate with mounting holes, the support plate is connected with a plurality of screws, nuts are mounted on the screws, and the support plate and the screws are fixed through the nuts.

5. The automatic sample extraction device for detecting the forbidden components in cosmetics according to claim 4, wherein a threaded seat is installed in the ultrasonic cleaning tank, the threaded seat is connected with a screw rod, and the installation height of the screw rod in the threaded seat is adjustable.