CN215232245U

CN215232245U - Microwave extractor for red date polysaccharide determination

Info

Publication number: CN215232245U
Application number: CN202120869811.0U
Authority: CN
Inventors: 田晓萍; 杜国新; 郭自钰; 许娟
Original assignee: ZHANGYE RESEARCH INSTITUTE OF FORESTRY SCIENCE
Current assignee: ZHANGYE RESEARCH INSTITUTE OF FORESTRY SCIENCE
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-12-21
Anticipated expiration: 2031-04-26

Abstract

The utility model relates to the technical field of biotechnology, concretely relates to microwave extractor is used in red date polysaccharide survey, the test platform comprises a support, be provided with on the frame and draw the jar, the bottom of drawing the jar is provided with a microwave generator at least, the top of drawing the jar is provided with the feed inlet, just feed inlet department is provided with and is used for sealing the gland of feed inlet, still be provided with on the frame and be used for the drive the first actuating mechanism of gland up-and-down motion, the below of gland is rotated and is connected with rabbling mechanism, be provided with on the gland and be used for the drive rabbling mechanism pivoted second actuating mechanism, the bottom of drawing the jar is provided with the feed opening, just draw the jar and be in the filter screen is installed down to the top detachably of feed opening, feed opening department is provided with the baiting valve. The microwave extractor for measuring the red date polysaccharide has high extraction efficiency and high automation degree, can effectively reduce manual operation, and reduces the labor intensity of workers.

Description

Microwave extractor for red date polysaccharide determination

Technical Field

The utility model relates to the technical field of biology, especially, relate to a microwave extractor is used in red date polysaccharide survey.

Background

The red jujube polysaccharide is an important natural active ingredient in red jujubes, has obvious anticomplementary activity and the function of promoting the proliferation of lymphocytes, can obviously relieve atrophy of immune organs and brain aging of mice of aging models, has the function of clearing various active oxygen in vitro, and is one of important functional factors with health care function of the red jujubes.

Microwave extraction refers to a technique and method for extracting various chemical components from plants, minerals, animal tissues, etc. in a microwave reactor using an appropriate solvent. The microwave is electromagnetic wave with the frequency of 300MHz-300 GHz, and the electromagnetic field is used to effectively separate some organic components in the solid or semi-solid substance from the matrix and keep the original compound state of the analysis object. The method is widely applied to the extraction of effective components of plants, and has the advantages of short time consumption, high extraction efficiency and low cost. However, the existing microwave extractor still has certain defects in use, such as: the automation degree of the extraction process is low, and most of operations need to be carried out manually. Particularly, when the effective components in plants are measured, the deviation between the measurement results of multiple times is large due to the small sample amount or the low concentration of the effective components caused by manual operation, and the existing microwave extractor has the problem of low extraction efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a microwave extractor is used in red date polysaccharide survey, the extraction efficiency of microwave extractor is higher for the red date polysaccharide survey, and degree of automation is higher, can reduce artifical intensity of labour less manual operation effectively.

In order to achieve the technical effects, the utility model adopts the following technical scheme:

a microwave extractor for measuring red date polysaccharide comprises a machine base, an extraction tank is arranged on the machine base, the bottom of the extraction tank is at least provided with a microwave generator, the top end of the extraction tank is provided with a feed inlet, a gland used for sealing the feed port is arranged at the feed port, a first driving mechanism used for driving the gland to move up and down is also arranged on the machine base, a stirring mechanism is rotatably connected below the pressing cover, a second driving mechanism for driving the stirring mechanism to rotate is arranged on the pressing cover, a feed opening is arranged at the bottom of the extracting tank, and the extracting tank is detachably provided with a lower filter screen above the feed opening, the feed opening is provided with a feed valve, the machine base is also internally provided with a controller, and the microwave generator, the first driving mechanism, the second driving mechanism and the blanking valve are electrically connected with the controller.

Further, the gland includes with frame sliding connection's mount pad and with mount pad fixed connection's lid, the bottom of lid is provided with seal ring, a actuating mechanism is used for driving the mount pad is followed the frame slides from top to bottom.

Further, the first driving mechanism is vertically installed on a first screw shaft in the base, a first driving block is connected to the first screw shaft in a threaded manner, the installation base is fixedly connected with the first driving block, a first motor for driving the first screw shaft to rotate is further arranged in the base, and the first motor is electrically connected with the controller.

Further, the second driving mechanism comprises a second motor fixedly connected with the gland, and the output end of the second motor is fixedly connected with the stirring mechanism through a speed reducer.

Further, rabbling mechanism include with the output fixed connection's of second motor mounting panel, the below of mounting panel is rotated and is installed the pivot, the bottom of pivot can extend to the top and the fixed mounting of lower filter screen have stirring vane.

Further, the rotating shaft comprises a second screw shaft rotatably connected with the mounting plate and a mounting rod arranged at the bottom end of the second screw shaft, the stirring blade is fixedly mounted on the mounting rod, a second driving block is in threaded connection with the second screw shaft, an upper filter screen is fixedly connected onto the second driving block, and a third driving mechanism for driving the second screw shaft to rotate is further arranged on the mounting plate.

Further, a first helical gear is fixedly mounted at the top end of the second screw shaft, the third driving mechanism comprises a third motor fixedly connected with the mounting plate, a second helical gear is fixedly mounted at the output end of the third motor, and the second helical gear is meshed with the first helical gear.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of microwave extractor is used in red date polysaccharide survey draws jar through setting up on the base to set up the gland in this top of drawing jar, thereby drive through a actuating mechanism simultaneously the gland reciprocates and seals draw the jar. Simultaneously, still set up the rabbling mechanism that second actuating mechanism is used for driving gland bottom on the gland and stir the material in drawing the jar to improve the efficiency that the microwave drawed. In addition, still through set up height-adjustable's upper filter screen on this rabbling mechanism, the cooperation draw the lower filter screen in the jar, can further be spacing to red date pulp, make it be located the liquid level below all the time, improve the extraction rate of polysaccharide for the testing result is more accurate.

Drawings

Fig. 1 is a schematic view of an overall structure of a microwave extractor for measuring red date polysaccharides provided in an embodiment of the present invention;

fig. 2 is a schematic view of a partial enlarged structure at a position a of a microwave extractor for red date polysaccharide determination according to an embodiment of the present invention;

the reference signs are: 10, a base, 20, an extraction tank, 21, a microwave generator, 22, a feed inlet, 23, a gland, 231, a mounting seat, 232, a cover body, 232a, a sealing gasket, 24, a feed outlet, 241, a lower filter screen, 242, a feed valve, 30, a first screw shaft, 31, a first driving block, 32, a first motor, 40, a second motor, 41, a reducer, 42, a mounting plate, 43, a second screw shaft, 431, a second driving block, 432, a first bevel gear, 44, a mounting rod, 441, a stirring blade, 50, a third motor, 51, a second bevel gear, 52, an upper filter screen, 60 and a controller.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1-2, the microwave extractor for determining red date polysaccharide provided by this embodiment includes a base 10, a extracting tank 20 is fixedly mounted on the base 10, at least one microwave generator 21 is disposed at the bottom of the extracting tank 20, a feeding port 22 is disposed at the top end of the extracting tank 20, a gland 23 for sealing the feeding port 22 is disposed at the feeding port 22, and a first driving mechanism for driving the gland 23 to move up and down is further disposed on the base 10. The below of gland 23 is rotated and is connected with rabbling mechanism, the rabbling mechanism is used for stirring the material in extracting jar 20 to improve red date polysaccharide's leaching rate, shorten the extraction time, and make the testing result more accurate. And a second driving mechanism for driving the stirring mechanism to rotate is arranged on the gland 23. Draw jar 20's bottom and be provided with feed opening 24, just draw jar 20 and be in filter screen 241 is installed to the top detachably of feed opening 24 down, feed opening 24 department is provided with unloading valve 242, filter screen 241 can intercept the material in the ejection of compact department down for filtrating sees through this filter screen 241 down and flows from this feed opening 24. A controller 60 is further arranged in the machine base 10, and the microwave generator 21, the first driving mechanism, the second driving mechanism and the blanking valve 242 are all electrically connected with the controller 60. In specific implementation, materials and extracting solution are firstly added into the extracting tank 20 from the feeding hole 22, then the controller 60 controls the first driving mechanism to drive the gland 23 to move downwards to close the extracting tank 20, then the controller 60 controls the microwave generator 21 to work and simultaneously the controller 60 controls the second driving mechanism to drive the stirring mechanism to rotate, so that the microwave extraction efficiency is further improved. After the extraction is completed, the controller 60 can control the discharge valve 242 to open so as to automatically discharge the extracting solution from the discharge opening 24, thereby further improving the working efficiency.

In this embodiment, the pressing cover 23 includes a mounting seat 231 slidably connected to the base 10 and a cover 232 fixedly connected to the mounting seat 231, and a sealing gasket 232a is disposed at the bottom of the cover 232. The first driving mechanism is used for driving the mounting seat 231 to slide up and down along the machine base 10. Specifically, the first driving mechanism is vertically installed on a first screw shaft 30 in the base 10, a first driving block 31 is screwed on the first screw shaft 30, the installation base 231 is fixedly connected with the first driving block 31, a first motor 32 for driving the first screw shaft 30 to rotate is further arranged in the base 10, and the first motor 32 is electrically connected with the controller 60. In specific implementation, the controller 60 controls the first motor 32 to start to drive the first screw shaft 30 to rotate, so as to drive the first driving block 31 and the mounting seat 231 to lift together, so as to drive the cover body 232 to move up and down, so as to seal the extraction tank 20, avoid volatilization of the organic solvent or overflow of the solvent, and improve the detection accuracy.

In this embodiment, the second driving mechanism includes a second motor 40 fixedly connected to the pressing cover 23, the second motor 40 is located at the top end of the pressing cover 23, and the output end of the second motor 40 is fixedly connected to the stirring mechanism through a speed reducer 41 to drive the stirring mechanism to rotate, so as to stir the contents in the extracting tank 20, thereby improving the extracting efficiency. Specifically, rabbling mechanism include with second motor 40's output fixed connection's mounting panel 42, the below of mounting panel 42 is rotated and is installed the pivot, the bottom of pivot can extend to the top and the fixed mounting of lower filter screen 241 have stirring vane 441. In specific implementation, the controller 60 controls the output end of the second motor 40 to rotate, so as to drive the mounting plate 42 to rotate and drive the rotating shaft to rotate together, thereby driving the stirring blade 441 to rotate, so as to achieve a stirring effect. Meanwhile, because the red dates have low density and are easy to float out of the liquid level in the extraction and stirring processes, in order to further improve the detection accuracy, the rotating shaft comprises a second screw shaft 43 rotatably connected with the mounting plate 42 and a mounting rod 44 arranged at the bottom end of the second screw shaft 43, and the stirring blade 441 is fixedly mounted on the mounting rod 44. A second driving block 431 is connected to the second screw shaft 43 in a threaded manner, an upper filter screen 52 is fixedly connected to the second driving block 431, and a third driving mechanism for driving the second screw shaft 43 to rotate is further arranged on the mounting plate 42. Specifically, a first bevel gear 432 is fixedly mounted at the top end of the second screw shaft 43, the third driving mechanism includes a third motor 50 fixedly connected to the mounting plate 42, the third motor 50 is electrically connected to the controller 60, and a second bevel gear 51 is fixedly mounted at the output end of the third motor 50, and at the same time, the second bevel gear 51 is meshed with the first bevel gear 432 to drive the first bevel gear 432 to rotate. In specific implementation, the controller 60 controls the third motor 50 to start, so as to drive the second bevel gear 51 to rotate, the engagement between the second bevel gear 51 and the first bevel gear 432 drives the first bevel gear 432 to rotate, and the first bevel gear 432 drives the second screw shaft 43 to rotate, so as to drive the second driving block 431 to drive the upper filter screen 52 to move up and down, and enable the upper filter screen 52 to be located below the liquid level to limit the red date pulp, so as to prevent the red date pulp from floating out of the liquid level, and improve the accuracy of red date polysaccharide detection.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims

1. A microwave extractor for red date polysaccharide determination is characterized in that: comprises a machine base (10), an extraction tank (20) is arranged on the machine base (10), at least one microwave generator (21) is arranged at the bottom of the extraction tank (20), a feed inlet (22) is arranged on the top of the extraction tank (20), a gland (23) used for sealing the feed inlet (22) is arranged at the feed inlet (22), a first driving mechanism used for driving the gland (23) to move up and down is further arranged on the machine base (10), a stirring mechanism is rotationally connected below the gland (23), a second driving mechanism used for driving the stirring mechanism to rotate is arranged on the gland (23), a feed opening (24) is arranged at the bottom of the extraction tank (20), a feed screen (241) is detachably arranged above the feed opening (24) of the extraction tank (20), a feed valve (242) is arranged at the feed opening (24), the machine base (10) is also internally provided with a controller (60), and the microwave generator (21), the first driving mechanism, the second driving mechanism and the blanking valve (242) are electrically connected with the controller (60).

2. The microwave extractor for red date polysaccharide assay as claimed in claim 1, wherein: gland (23) include with frame (10) sliding connection's mount pad (231) and with mount pad (231) fixed connection's lid (232), the bottom of lid (232) is provided with seal ring (232a), a actuating mechanism is used for the drive mount pad (231) are followed frame (10) slides from top to bottom.

3. The microwave extractor for red date polysaccharide assay as claimed in claim 2, wherein: the first driving mechanism is vertically installed on a first screw shaft (30) in the machine base (10), a first driving block (31) is connected to the first screw shaft (30) in a threaded mode, the installation base (231) is fixedly connected with the first driving block (31), a first motor (32) used for driving the first screw shaft (30) to rotate is further arranged in the machine base (10), and the first motor (32) is electrically connected with the controller (60).

4. The microwave extractor for red date polysaccharide assay as claimed in claim 1, wherein: the second driving mechanism comprises a second motor (40) fixedly connected with the gland (23), and the output end of the second motor (40) is fixedly connected with the stirring mechanism through a speed reducer (41).

5. The microwave extractor for red date polysaccharide assay as claimed in claim 4, wherein: rabbling mechanism include with output fixed connection's of second motor (40) mounting panel (42), the below of mounting panel (42) is rotated and is installed the pivot, the bottom of pivot can extend to the top and the fixed mounting of lower filter screen (241) have stirring vane (441).

6. The microwave extractor for red date polysaccharide assay as claimed in claim 5, wherein: the rotating shaft comprises a second screw shaft (43) and an installation rod (44), the second screw shaft (43) is rotatably connected with the installation plate (42), the installation rod (44) is arranged at the bottom end of the second screw shaft (43), the stirring blade (441) is fixedly installed on the installation rod (44), a second driving block (431) is connected onto the second screw shaft (43) in a threaded mode, an upper filter screen (52) is fixedly connected onto the second driving block (431), and a third driving mechanism used for driving the second screw shaft (43) to rotate is further arranged on the installation plate (42).

7. The microwave extractor for red date polysaccharide assay as claimed in claim 6, wherein: a first bevel gear (432) is fixedly mounted at the top end of the second screw shaft (43), the third driving mechanism comprises a third motor (50) fixedly connected with the mounting plate (42), a second bevel gear (51) is fixedly mounted at the output end of the third motor (50), and the second bevel gear (51) is meshed with the first bevel gear (432).