CN211026940U

CN211026940U - Thin-layer chromatographic plate preparation device

Info

Publication number: CN211026940U
Application number: CN201921322168.9U
Authority: CN
Inventors: 盛正茂
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-07-17
Anticipated expiration: 2029-08-15

Abstract

The utility model provides a thin-layer chromatography board preparation facilities belongs to thin-layer chromatography board preparation field. The method solves the problems that the existing thin-layer chromatographic plate is manually coated by experimenters and the like. The utility model provides a thin-layer chromatography plate preparation facilities, includes the frame, and the frame is provided with agitating unit and the coating unit who is connected with agitating unit, and agitating unit is used for mixing stirring silica gel powder and water, and coating unit is used for coating silica gel on the glass board, and agitating unit and coating unit pass through the transport pipe and connect, and the frame still is provided with the conveyer of conveying glass board and drives conveyer's drive arrangement, and conveyer is located coating unit's below. The utility model discloses do not need the manual coating of operating personnel.

Description

Thin-layer chromatographic plate preparation device

Technical Field

The utility model belongs to thin-layer chromatography board preparation field, in particular to thin-layer chromatography board preparation facilities.

Background

The silica gel thin-layer chromatography plate is an experimental material for separating compounds by chromatography commonly used by scientific research institutions, but the main preparation method and the process are that silica gel powder is mixed with water to form silica gel, the silica gel is coated on a glass plate, and the silica gel thin-layer chromatography plate is obtained after air drying.

However, the existing thin-layer chromatography plates are manufactured by manually coating by experimenters, and particularly in the preparation of scientific research experiments, a large number of thin-layer chromatography plates are needed, so that the manual coating efficiency is low.

Disclosure of Invention

The utility model aims at providing a thin-layer chromatography plate preparation facilities to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a thin-layer chromatography plate preparation facilities, a serial communication port, which comprises a frame, the frame be provided with agitating unit and the coating unit who is connected with agitating unit, agitating unit be used for mixing stirring silica gel powder and water, coating unit be used for with the silica gel coating on the glass board, agitating unit and coating unit pass through the transport union coupling, the frame still is provided with conveyer and the drive transmission's of conveying glass board drive arrangement, conveyer be located coating unit's below.

The utility model discloses a theory of operation: when the thin-layer chromatography plate needs to be prepared, silica gel powder is added into a stirring device firstly, then water is added under the condition of slow stirring, and finally the silica gel is prepared by stirring together. The utility model discloses do not need the experimenter to coat the glass board by hand, improved the efficiency of coating greatly, can carry out the preparation of a large amount of thin-layer chromatography boards.

In the above mentioned thin layer chromatography plate preparation apparatus, the coating apparatus includes a housing and a coater, the coater is used for coating silica gel, the housing includes a first housing and a second housing hinged to each other, first ends of the first housing and the second housing are both pressing portions, second ends of the first housing and the second housing are both opening and closing portions, the opening and closing portions cooperate to form an opening and closing cavity, when the opening and closing cavity is closed, the coater is located in the opening and closing cavity; and when the pressing part is pressed, the opening and closing cavity is opened and the coater extends out of the opening and closing cavity.

In the above mentioned thin layer chromatography plate preparation device, the coater is connected with a coating tube, the coating tube penetrates through the opening and closing part from the pressing part through the hinge joint, one end of the coating tube is connected with the conveying tube through a telescopic tube, and the other end of the coating tube is connected with the coater.

In the above thin layer chromatography plate preparation apparatus, the retractable tube is made of a flexible material, and a tube wall of the retractable tube is folded for a plurality of times.

In the above thin layer chromatography plate preparation device, a pressing device is arranged outside the pressing part, and the pressing device is used for applying pressure to the pressing part to open the opening and closing cavity.

In the thin-layer chromatographic plate preparation device, two sides of the coating tube are respectively provided with a first pressure spring, one end of each first pressure spring is connected with the coating tube, the other end of each first pressure spring is connected with the pressing part, a second pressure spring is sleeved outside the coating tube, one end of each second pressure spring is abutted to the joint of the first pressure spring and the coating tube, the other end of each second pressure spring is abutted to the hinged part of the first shell and the second shell, when the opening and closing cavity is closed, the bottoms of the opening and closing parts are abutted to each other, the coater is positioned in the opening and closing cavity, and the joints of the first pressure spring, the second pressure spring and the coating tube are balanced in stress; and opening the opening and closing cavity, exerting pressure on the pressing part by the pressure exerting device to enable the first pressure spring to stretch, compressing the second pressure spring, and moving the coater downwards to extend out of the opening and closing cavity.

In the above mentioned thin layer chromatography plate preparation device, the conveyer comprises a conveyer belt and a conveyer wheel, the conveyer wheel comprises a driving wheel and a driven wheel, the driving wheel is connected with the driving device, and the driving wheel rotates the driven wheel through the conveyer belt.

In the above thin layer chromatography plate preparation device, an ultrasonic defoaming device is further arranged between the stirring device and the coating device, and the ultrasonic defoaming device is used for eliminating bubbles in the silica gel.

In the above thin layer chromatography plate preparation device, the abutting part of the opening and closing part is further provided with a sealing layer, the sealing layer is made of flexible materials, and the sealing layer is used for preventing silica gel from dripping.

In a foretell TLC board preparation facilities, the portion of opening and shutting is provided with the leak protection groove, the leak protection groove be used for collecting the silica gel that drips from the coating ware, the leak protection groove of first casing is greater than the leak protection groove of second casing, just the butt department of the portion of opening and shutting and coating pipe are not in same straight line.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses do not need the experimenter to coat the glass board by hand, improved the efficiency of coating greatly, can carry out the preparation of a large amount of thin-layer chromatography boards.

2. The utility model discloses the coater is connected with the coating pipe, and the coating pipe is worn to establish to the portion that opens and shuts through articulated department from pressing the splenium, through scalable union coupling between the one end of coating pipe and the transport pipe, and the coater is connected to the other end of coating pipe. The telescopic pipe is made of flexible materials, and the pipe wall of the telescopic pipe is folded for many times. When the coating device moves downwards and extends out of the opening and closing cavity, the coating tube moves downwards because the coating device is connected with the coating tube, the telescopic tube can extend at the moment, and the coating tube can move downwards due to the arrangement of the telescopic tube.

3. The two sides of the coating pipe are respectively provided with a first pressure spring, one end of each first pressure spring is connected with the coating pipe, the other end of each first pressure spring is connected with the corresponding pressing part, the coating pipe is further sleeved with a second pressure spring, one end of each second pressure spring is abutted to the joint of the corresponding first pressure spring and the corresponding coating pipe, the other end of each second pressure spring is abutted to the joint of the corresponding first shell and the corresponding second shell, when the opening and closing cavity is closed, the bottoms of the opening and closing parts are mutually abutted, the coater is positioned in the opening and closing cavity, and the stress of the joints of the first pressure spring, the second pressure spring and the coating pipe is balanced; and opening the opening and closing cavity, exerting pressure on the pressing part by the pressure exerting device to enable the first pressure spring to stretch, compressing the second pressure spring, and enabling the coater to move downwards and extend out of the opening and closing cavity. When the pressing part is pressed by the pressing device, the first pressure spring is stretched, the second pressure spring is compressed, the opening and closing cavity is opened, the extending distance of the coating device is long due to the arrangement of the first pressure spring and the second pressure spring, the coating device can completely extend out of the opening and closing cavity, and then the glass plate is coated. When the opening and closing cavity is closed, the stress of the joints of the first pressure spring, the second pressure spring and the coating tube is balanced, namely, when the opening and closing cavity is closed, the coating tube cannot move due to the balanced stress, so that the coating tube cannot move.

4. The utility model discloses conveyer includes conveyer belt and transfer gear, and the transfer gear includes the action wheel and follows the driving wheel, and action wheel and drive arrangement connect, and the action wheel passes through the conveyer belt and makes from the driving wheel rotation. The conveying device is mainly used for conveying the glass plate, and when the conveying device conveys the glass plate to the lower part of the coating device, the coating device can coat the glass plate.

5. The utility model discloses still be provided with ultrasonic wave fire fighting equipment between agitating unit and the coating unit, ultrasonic wave fire fighting equipment is arranged in eliminating the bubble in the silica gel. Because the in-process that forms silica gel with silica gel powder and water stirring mixture can contain the bubble in the silica gel, but the bubble in the silica gel can be eliminated to ultrasonic wave fire fighting equipment for make comparatively complete thin layer chromatography board after follow-up coating silica gel, can not lead to thin layer chromatography board preparation failure because of the fracture of bubble in the follow-up stoving process.

6. The utility model discloses the butt department of portion that opens and shuts still is provided with the sealing layer, and the sealing layer adopts flexible material to make, and the sealing layer is used for preventing the silica gel drippage. If the butt joint is rigid butt joint, then there is the gap easily in butt joint department, leads to the silica gel to drip, if be flexible butt joint, then has fine sealed effect, prevents that its silica gel from dripping to the conveyer belt from the coating ware.

7. The utility model discloses the portion that opens and shuts is provided with the leak protection groove, and the leak protection groove is used for preventing the silica gel drippage on the coating applicator on the conveyer belt, and the leak protection groove of first casing is greater than the leak protection groove of second casing, and the butt department of the portion that opens and shuts and coating pipe are not in same straight line. If the anti-leakage groove is not arranged, the silica gel on the coating device is easy to drip on the conveying belt, and the silica gel can drip on the anti-leakage groove due to the anti-leakage groove, so that the silica gel is prevented from dripping on the conveying belt.

Drawings

Fig. 1 is a schematic structural view of the open-close cavity of the present invention when closed;

FIG. 2 is a schematic structural view of the open-close chamber of the present invention when opened;

FIG. 3 is a schematic structural view of the coating apparatus of the present invention;

FIG. 4 is a schematic view of the structure of the applicator of the present invention;

fig. 5 is a schematic structural diagram of the conveying device of the present invention.

In the figure, 1, a frame; 2. a stirring device; 3. a coating device; 4. a transport pipe; 5. a conveying device; 6. a drive device; 7. a housing; 8. an applicator; 9. a first housing; 10. a second housing; 11. a pressing part; 12. an opening and closing part; 13. an opening and closing cavity; 14. coating a tube; 15. a telescopic tube; 16. a pressure applying device; 17. a first pressure spring; 18. a second pressure spring; 19. a conveyor belt; 20. a transfer wheel; 21. a driving wheel; 22. a driven wheel; 23. an ultrasonic defoaming device; 24. a sealing layer; 25. and (4) a leakage-proof groove.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3, 4 and 5, a thin layer chromatography plate preparation device comprises a frame 1, wherein the frame 1 is provided with a stirring device 2 and a coating device 3 connected with the stirring device 2, the stirring device 2 is used for mixing and stirring silica gel powder and water, the coating device 3 is used for coating silica gel on a glass plate, the stirring device 2 and the coating device 3 are connected through a conveying pipe 4, the frame 1 is further provided with a conveying device 5 for conveying the glass plate and a driving device 6 for driving the conveying device 5, and the conveying device 5 is positioned below the coating device 3.

In further detail, the coating device 3 comprises a shell 7 and a coater 8, the coater 8 is used for coating silica gel, the shell 7 comprises a first shell 9 and a second shell 10 which are hinged to each other, the first ends of the first shell 9 and the second shell 10 are both pressing parts 11, the second ends of the first shell 9 and the second shell 10 are both opening and closing parts 12, the opening and closing parts 12 are matched to form an opening and closing cavity 13, and when the opening and closing cavity 13 is closed, the coater 8 is located in the opening and closing cavity 13; pressing the pressing part 11, the open-close chamber 13 is opened and the applicator 8 is protruded from the open-close chamber 13.

More specifically, the applicator 8 is connected to an application tube 14, the application tube 14 is inserted into the opening/closing portion 12 from the pressing portion 11 through a hinge, one end of the application tube 14 is connected to the transport tube 4 through a telescopic tube 15, and the other end of the application tube 14 is connected to the applicator 8. The applicator 8 can consist of two interconnected pipes, one of which is a side pipe that communicates with the application tube 14 and the other is a bottom pipe that communicates with the side pipe and is perpendicular to the application tube 14, the bottom pipe having a width that is the same as the width of the glass sheet and being provided with a plurality of openings, when the applicator 8 applies a coating to the glass sheet, the bottom pipe sweeps over the glass sheet, and the silica gel is applied to the glass sheet from the openings.

In more detail, the retractable tube 15 is made of a flexible material, and the wall of the retractable tube 15 is folded many times. Because the coating tube 14 needs to move downwards to make the coating device 8 extend out of the opening and closing cavity 13, a telescopic tube 15 is needed between the coating tube 14 and the conveying tube 4, when the opening and closing cavity 13 is closed, the telescopic tube 15 is in a compressed state, and when the opening and closing cavity 13 is opened, the telescopic tube 15 is stretched and lengthened.

In more detail, a pressing device 16 is disposed outside the pressing portion 11, and the pressing device 16 is used for applying pressure to the pressing portion 11 to open the opening and closing cavity 13. The time interval at which the pressing portion 11 is pressed by the pressing device 16 may be set according to the interval distance of the glass sheet on the conveyor belt 19. So that the applicator 8 can just be applied completely from one end of the glass sheet to the other end of the glass sheet. The thin-layer chromatographic plate thus produced is complete and beautiful.

In more detail, two sides of the coating tube 14 are respectively provided with a first pressure spring 17, one end of each first pressure spring 17 is connected with the coating tube 14, the other end of each first pressure spring 17 is connected with the pressing part 11, a second pressure spring 18 is sleeved outside the coating tube 14, one end of each second pressure spring 18 abuts against the connection part of the first pressure spring 17 and the coating tube 14, the other end of each second pressure spring 18 abuts against the hinge joint of the first shell 9 and the second shell 10, when the opening and closing cavity 13 is closed, the bottoms of the opening and closing parts 12 abut against each other, the coating device 8 is positioned inside the opening and closing cavity 13, and the connection parts of the first pressure spring 17, the second pressure spring 18 and the coating tube 14 are balanced in stress; the opening and closing cavity 13 is opened, the pressing part 11 is pressed by the pressing device 16 to stretch the first compression spring 17, the second compression spring 18 is compressed, and the spreader 8 moves downwards and extends out of the opening and closing cavity 13.

In further detail, the conveying device 5 comprises a conveying belt 19 and a conveying wheel 20, the conveying wheel 20 comprises a driving wheel 21 and a driven wheel 22, the driving wheel 21 is connected with the driving device 6, and the driving wheel 21 enables the driven wheel 22 to rotate through the conveying belt 19. Since the glass sheet is conveyed by the conveyor belt 19, the applicator 8 is extended as the glass sheet passes through the coating device 3, the lower edge ducts are stationary while the glass sheet is in contact with the glass sheet, the glass sheet advances, and the silicone gel oozes out of the openings of the lower edge ducts to complete the coating.

In more detail, an ultrasonic defoaming device 23 is further arranged between the stirring device 2 and the coating device 3, and the ultrasonic defoaming device 23 is used for eliminating bubbles in the silica gel. The prepared silica gel is transported to an ultrasonic defoaming device 23 to defoam the silica gel,

in more detail, the sealing layer 24 is further disposed at the abutting position of the opening and closing portion 12, the sealing layer 24 is made of a flexible material, and the sealing layer 24 is used for preventing the silica gel from dropping. The sealing layer 24 prevents silicone from dripping down onto the belt 19 because silicone, if present in the bottom edge tubing of the applicator 8 when not being applied, also drips down due to gravity.

In more detail, the opening and closing part 12 is provided with a leakage-proof groove 25, the leakage-proof groove 25 is used for collecting silica gel dropping from the coating device 8, the leakage-proof groove 25 of the first shell 9 is larger than the leakage-proof groove 25 of the second shell 10, and the abutting part of the opening and closing part 12 and the coating pipe 14 are not in the same straight line. When silica gel drips, the silica gel drips on the leakage-proof groove 25, the opening and closing cavity 13 is opened, the silica gel is prevented from dripping on the conveyor belt 19 due to the blocking effect of the side wall of the leakage-proof groove 25, the leakage-proof groove 25 of the first shell 9 is larger than the leakage-proof groove 25 of the second shell 10, and the abutting part of the opening and closing part 12 and the coating pipe 14 are not in the same straight line. Further preventing the silicone gel from leaking out of the contact portion of the opening/closing portion 12 and dripping onto the conveyor belt 19.

When a thin-layer chromatographic plate needs to be prepared, firstly adding silica gel powder into a stirring device 2, then adding water under the condition of slow stirring, finally stirring together to prepare silica gel, then conveying the silica gel to a coating device 3, conveying the silica gel from a conveying pipe 4 to a coating pipe 14 through a telescopic pipe 15, conveying the coating pipe 14 to a coating device 8 at the bottom of the coating pipe 14, wherein the coating device 8 is positioned in an opening and closing cavity 13, if the silica gel drips from the coating device 8, the silica gel can drip to a leakage-proof groove 25, the opening and closing cavity 13 is closed, a sealing layer 24 is arranged at the abutting position of an opening and closing part 12, so the silica gel can not drip to a conveying belt 19, at the moment, the first pressure spring 17, the second pressure spring 18 and the joint of the coating pipe 14 are stressed in balance, and the coating device 8 and the coating pipe 14 are not moved. Without the first and second compression springs 17 and 18, the spreader 8 cannot be extended smoothly when the opening/closing chamber 13 is opened, and the first compression spring 17 can extend a longer distance than a general link. The second pressure spring 18 is used for coaction with the first pressure spring 17, if the second pressure spring 18 is not provided, when the stress of the first pressure spring 17 and the stress of the coating pipe 14 are balanced, the two first pressure springs 17 can only be positioned on the same horizontal line, the force of the two pressure springs on the joint of the coating pipe 14 is opposite, the opening and closing cavity 13 is opened, the coating pipe 14 cannot move downwards to extend the coating device 8, so that the first pressure spring 17 and the second pressure spring 18 must coact to enable the coating pipe 14 to move downwards to extend the coating device 8 from the opening and closing cavity 13, and the telescopic pipe 15 is extended when the coating pipe 14 moves downwards. The coater 8 coats the glass plate after extending out of the opening and closing cavity 13, silica gel is coated on the glass plate, the coated glass plate can be placed into an oven by experimenters to be dried, and finally the thin-layer chromatography plate is obtained. The utility model discloses do not need the experimenter to coat the glass board by hand, improved the efficiency of coating greatly, can carry out the preparation of a large amount of thin-layer chromatography boards.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the frame 1, the stirring device 2, the coating device 3, the conveying pipe 4, the conveying device 5, the driving device 6, the housing 7, the coater 8, the first housing 9, the second housing 10, the pressing portion 11, the opening and closing portion 12, the opening and closing cavity 13, the coating pipe 14, the telescopic pipe 15, the pressing device 16, the first compression spring 17, the second compression spring 18, the conveying belt 19, the conveying wheel 20, the driving wheel 21, the driven wheel 22, the ultrasonic defoaming device 23, the sealing layer 24, the leakage-proof groove 25, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a thin layer chromatography board preparation facilities, characterized in that, includes frame (1), frame (1) be provided with agitating unit (2) and coating unit (3) be connected with agitating unit (2), agitating unit (2) be used for mixing stirring silica gel powder and water, coating unit (3) be used for with silica gel coating on the glass board, agitating unit (2) and coating unit (3) connect through transport pipe (4), frame (1) still is provided with conveyer (5) of conveying glass board and drive transmission device (5) drive arrangement (6), conveyer (5) be located the below of coating unit (3).

2. The thin layer chromatography plate preparation device according to claim 1, wherein the coating device (3) comprises a housing (7) and a coater (8), the coater (8) is used for coating silica gel, the housing (7) comprises a first housing (9) and a second housing (10) which are hinged to each other, the first ends of the first housing (9) and the second housing (10) are both pressing parts (11), the second ends of the first housing (9) and the second housing (10) are both opening and closing parts (12), the opening and closing parts (12) are matched to form an opening and closing cavity (13), and when the opening and closing cavity (13) is closed, the coater (8) is positioned in the opening and closing cavity (13); pressing the pressing part (11), the opening and closing cavity (13) is opened, and the spreader (8) extends out of the opening and closing cavity (13).

3. The thin layer chromatography plate preparation device according to claim 2, wherein the applicator (8) is connected with an application tube (14), the application tube (14) is inserted from the pressing portion (11) to the opening and closing portion (12) through a hinge, one end of the application tube (14) is connected with the conveying tube (4) through a telescopic tube (15), and the other end of the application tube (14) is connected with the applicator (8).

4. The thin layer chromatography plate manufacturing apparatus according to claim 3, wherein the flexible tube (15) is made of a flexible material, and the wall of the flexible tube (15) is folded many times.

5. The thin layer chromatography plate manufacturing apparatus according to claim 3, wherein a pressing device (16) is provided outside the pressing portion (11), and the pressing device (16) is used for applying pressure to the pressing portion (11) to open the open-close cavity (13).

6. The thin layer chromatography plate manufacturing apparatus according to claim 5, wherein a first compression spring (17) is provided on each side of the coating tube (14), one end of the first pressure spring (17) is connected with the coating tube (14), the other end of the first pressure spring (17) is connected with the pressing part (11), a second pressure spring (18) is sleeved outside the coating tube (14), one end of the second pressure spring (18) is abutted against the connection part of the first pressure spring (17) and the coating tube (14), the other end of the second pressure spring (18) is abutted against the hinged part of the first shell (9) and the second shell (10), when the opening and closing cavity (13) is closed, the bottoms of the opening and closing parts (12) are mutually abutted, the spreader (8) is positioned in the opening and closing cavity (13), and the stress at the joint of the first pressure spring (17), the second pressure spring (18) and the spreading pipe (14) is balanced; and opening the opening and closing cavity (13), pressing the pressing part (11) by the pressing device (16) to stretch the first pressure spring (17), compressing the second pressure spring (18), and moving the spreader (8) downwards to extend out of the opening and closing cavity (13).

7. The thin layer chromatography plate manufacturing apparatus according to claim 1, wherein the conveying means (5) comprises a conveying belt (19) and a conveying wheel (20), the conveying wheel (20) comprises a driving wheel (21) and a driven wheel (22), the driving wheel (21) is connected with the driving means (6), and the driving wheel (21) rotates the driven wheel (22) through the conveying belt (19).

8. The thin layer chromatography plate preparation apparatus according to claim 1, wherein an ultrasonic defoaming device (23) is further disposed between the stirring device (2) and the coating device (3), and the ultrasonic defoaming device (23) is used for defoaming bubbles in the silica gel.

9. The thin layer chromatography plate preparation apparatus according to claim 2, wherein a sealing layer (24) is further disposed at the abutting position of the opening and closing part (12), the sealing layer (24) is made of a flexible material, and the sealing layer (24) is used for preventing the silica gel from dripping.