CN216458720U

CN216458720U - Experimental equipment for rapidly preparing hydrogel

Info

Publication number: CN216458720U
Application number: CN202122941892.3U
Authority: CN
Inventors: 李雨霞
Original assignee: Fujian Normal University
Current assignee: Fujian Normal University
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-10
Anticipated expiration: 2031-11-29

Abstract

The utility model relates to experimental equipment for quickly preparing hydrogel, which comprises a stirring cylinder, wherein the stirring cylinder is communicated with a lower forming die disc through a discharge pipe, a switch valve is arranged on the discharge pipe, an extrusion pipe with a small hole is arranged on the lower forming die disc, an upper pressing die is arranged right above the lower forming die disc, a piston core rod used for being pressed into the extrusion pipe is arranged on the upper pressing die, and the upper pressing die is driven to lift through a driving mechanism. The raw materials are put into a stirring cylinder for stirring. After the raw materials are stirred and placed for a certain period of time, the stirred raw materials in the stirring cylinder enter an extrusion pipe with small holes of a lower forming die disc through a discharge pipe with a switch valve. The piston core rod descends at a certain speed so as to extrude the raw material in the extrusion tube with the small hole, so that liquid drops with consistent sizes flow out from the small hole at a constant speed, and the liquid drops are dropped into the cross-linking agent at a constant speed to obtain hydrogel, and the method is convenient and efficient.

Description

Experimental equipment for rapidly preparing hydrogel

Technical Field

The utility model relates to experimental equipment for rapidly preparing hydrogel.

Background

In the prior art, the known technology is that hydrogel is generally prepared in a laboratory by mixing modified alginate and water in a certain proportion as raw materials, uniformly stirring the raw materials for 12 hours by a magnetic stirrer, standing the raw materials for 2 hours, and then dropping the raw materials into a cross-linking agent at a constant speed by using an injector, thereby preparing a hydrogel adsorbent with adsorption capacity. The experimental period is long, the process operation is complex, the workload of experimenters is large, and a large amount of hydrogel particles with similar sizes cannot be obtained.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the technical problem to be solved by the utility model is to provide the experimental equipment for quickly preparing the hydrogel, which is simple in structure, convenient and efficient.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an experimental facilities of quick preparation aquogel, includes the churn, the churn is through arranging the material pipe and communicating with each other with lower shaping die disc, it is provided with switch valve on the material pipe to arrange, be provided with the extrusion pipe of foraminiferous on the shaping die disc down, be provided with the cope match-plate pattern directly over the shaping die disc down, be provided with on the cope match-plate pattern and be used for impressing the inside piston core bar of extrusion pipe, the cope match-plate pattern goes up and down through actuating mechanism drive.

Preferably, the churn is installed in the frame, and the interior bottom of churn is provided with through the rotatory stirring chassis of motor drive, and the top surface on stirring chassis is provided with the stirring leaf, the uncovered lid in churn top, the spiro union has vertical screw rod on the lid, and the screw rod bottom is connected with the extrusion disc through bearing frame and the inside bearing of bearing frame.

Preferably, the top opening of the mixing drum is positioned on the top surface of the frame, and a lock catch is arranged between the cover and the top surface of the frame.

Preferably, the discharge pipe inclines from top to bottom, the high end of the discharge pipe is connected with the bottom cylinder wall of the mixing drum, and the low end of the discharge pipe is connected with the top opening of the lower forming die disc; the switch valve adopts an electromagnetic valve and is positioned on the pipe orifice of the connecting cylinder wall of the discharge pipe.

Preferably, the top of the lower forming die plate is open, the periphery of the lower forming die plate is a plate wall gradually necking down from top to bottom, and the extrusion pipe is communicated with the plate bottom of the lower forming die plate.

Preferably, the outlet at the bottom end of the extrusion tube is in threaded connection with a pipette, and the small hole is positioned at the bottom end of the pipette.

Preferably, the driving mechanism is a press machine arranged on the frame, the press machine is provided with a speed regulation controller, and the upper pressing die is fixedly connected to the bottom end of a vertical piston rod of the press machine.

Compared with the prior art, the utility model has the following beneficial effects: the raw materials are put into a stirring cylinder to be stirred. After the raw materials are stirred and placed for a certain time, the stirred raw materials in the stirring cylinder enter an extrusion pipe with small holes of the lower forming die disc through a discharge pipe with a switch valve. The piston core rod descends at a certain speed so as to extrude the raw material in the extrusion tube with the small holes, so that liquid drops with consistent sizes flow out from the small holes at a constant speed, and the liquid drops are dripped into the cross-linking agent at a constant speed to obtain the hydrogel. Structural design is reasonable, uses convenient high-efficient.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic configuration diagram of an embodiment of the present invention.

Detailed Description

The utility model is further explained below with reference to the drawings and the embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As shown in fig. 1, the embodiment provides an experimental apparatus for rapidly preparing hydrogel, which includes a mixing drum 1, the mixing drum communicates with a lower forming die disc 3 through a discharging pipe 2, a switch valve 4 is arranged on the discharging pipe, an extruding pipe 5 with a small hole is arranged on the lower forming die disc, an upper pressing die 6 is arranged right above the lower forming die disc, a piston core rod 7 for pressing into the extruding pipe is arranged on the upper pressing die, and the upper pressing die is driven by a driving mechanism to lift.

In the embodiment of the utility model, the mixing drum is mounted on a frame 8, a mixing chassis 10 driven by a motor 9 to rotate is arranged at the inner bottom of the mixing drum, a mixing blade 11 is arranged on the top surface of the mixing chassis, a cover 12 is arranged at the top opening of the mixing drum, a vertical screw 13 is screwed on the cover, and the bottom end of the screw is connected with an extrusion disc 14 through a bearing seat 19 and a bearing in the bearing seat. The top end of the screw rod is fixedly provided with a handle.

In the embodiment of the utility model, the top opening of the mixing drum is positioned on the top surface of the frame, and a lock catch 15 is arranged between the cover and the top surface of the frame.

In the embodiment of the utility model, the discharge pipe inclines from top to bottom, the high end of the discharge pipe is connected with the bottom cylinder wall of the mixing drum, and the low end of the discharge pipe is connected with the top opening of the lower forming die disc; the switch valve adopts an electromagnetic valve and is positioned on the pipe orifice of the connecting cylinder wall of the discharge pipe.

In the embodiment of the utility model, the top of the lower forming die plate is open, the periphery of the lower forming die plate is provided with a plate wall which is gradually contracted from top to bottom, and the extrusion pipe is communicated with the plate bottom of the lower forming die plate.

In the embodiment of the utility model, the bottom end outlet of the extrusion tube is screwed with a pipette 18, and the small hole is positioned at the bottom end of the pipette. The pipette has a plurality of replaceable tips, each of which has a different orifice size.

In the embodiment of the utility model, the driving mechanism is a press machine 16 arranged on the frame, the press machine is provided with a speed regulation controller 17, and an upper pressing die is fixedly connected to the bottom end of a vertical piston rod of the press machine.

The specific implementation process comprises the following steps: the cover is opened to put the raw materials into the mixing drum, and the mixing chassis rotates to mix the raw materials. After the raw materials are stirred and placed for a certain time, the stirred raw materials in the stirring cylinder enter an extrusion pipe with small holes of the lower forming die disc through a discharge pipe with a switch valve. Because the raw materials are thick, the extrusion disc can descend to extrude the raw materials by rotating the screw rod, and the raw materials can be conveniently discharged from the discharge pipe. The pipette with the required small hole size is screwed on the bottom outlet of the extrusion tube. And starting the press machine and the speed regulation controller, wherein the speed regulation controller controls the press machine to drive the piston core rod to descend at a certain speed so as to extrude the raw material in the extrusion tube with the small hole, so that liquid drops with consistent sizes flow out from the small hole at a constant speed, and the liquid drops are dripped into the cross-linking agent at a constant speed to obtain the hydrogel.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims

1. An experimental facility for rapidly preparing hydrogel is characterized in that: including the churn, the churn is through arranging the material pipe and communicating with each other with lower shaping die disc, it is provided with switch valve on the material pipe to arrange, be provided with the extrusion pipe of foraminiferous hole on the shaping die disc down, be provided with the moulding-die directly over the shaping die disc down, be provided with on the moulding-die and be used for impressing the inside piston core bar of extrusion pipe, it goes up and down through the actuating mechanism drive to go up the moulding-die.

2. The experimental facility for rapid preparation of hydrogel according to claim 1, wherein: the mixing drum is installed on the frame, the inner bottom of the mixing drum is provided with a mixing chassis rotating under the drive of a motor, the top surface of the mixing chassis is provided with a mixing blade, the top of the mixing drum is provided with a cover, the cover is connected with a vertical screw rod in a screwed mode, and the bottom end of the screw rod is connected with an extrusion disc through a bearing seat and a bearing inside the bearing seat.

3. The experimental facility for rapid preparation of hydrogel according to claim 2, wherein: the top opening of the mixing drum is positioned on the top surface of the frame, and a lock catch is arranged between the cover and the top surface of the frame.

4. The experimental facility for rapid preparation of hydrogel according to claim 1, wherein: the discharging pipe is inclined from top to bottom, the high end of the discharging pipe is connected with the bottom cylinder wall of the stirring cylinder, and the low end of the discharging pipe is connected with the top opening of the lower forming die disc; the switch valve adopts an electromagnetic valve and is positioned on the pipe orifice of the connecting cylinder wall of the discharge pipe.

5. The experimental facility for rapid preparation of hydrogel according to claim 1, wherein: the top of the lower forming die plate is open, the periphery of the lower forming die plate is a plate wall which is gradually contracted from top to bottom, and the extrusion pipe is communicated with the bottom of the lower forming die plate.

6. The experimental facility for rapid preparation of hydrogel according to claim 5, wherein: the bottom outlet of the extrusion tube is connected with a pipette in a threaded manner, and the small hole is positioned at the bottom end of the pipette.

7. The experimental facility for rapid preparation of hydrogel according to claim 1, wherein: the driving mechanism is a press machine arranged on the frame, the press machine is provided with a speed regulation controller, and the upper pressing die is fixedly connected to the bottom end of a vertical piston rod of the press machine.