CN216935609U

CN216935609U - Agitating unit is used in preparation of medical hydrogel

Info

Publication number: CN216935609U
Application number: CN202122370383.XU
Authority: CN
Inventors: 秦江雷; 张劲松; 马志领; 王双双
Original assignee: Handan Worlent Technology Development Co ltd
Current assignee: Handan Worlent Technology Development Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-07-12
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a stirring device for preparing medical hydrogel, which comprises a rack, a stirring mechanism and a water-bath heating mechanism, wherein the water-bath heating mechanism comprises a water-bath heating shell fixed on the rack, and a preheating shell communicated with the water-bath heating shell is arranged on one side of the top of the water-bath heating shell; the rabbling mechanism includes the agitator tank, and agitator tank lower part seal installation is in the water-bath heating casing, and agitator tank upper portion extends the water-bath heating casing and installs the feeder hopper through the inlet pipe, and feeder hopper seal installation just top open end extends to preheat the casing in preheating the casing. According to the stirring device, the feed hopper is preheated, so that the raw materials are preheated in the feed hopper to reach or approach a temperature suitable for stirring, and the stirring operation is conveniently and rapidly carried out; in the stirring process, the scraper blade has enough to meet the need slowly and scrapes the adnexed material of agitator tank inner wall down, avoids the material adhesion at the agitator tank inner wall for the material obtains intensive mixing, improves stirring effect, the follow-up clearance of being convenient for simultaneously.

Description

Agitating unit is used in preparation of medical hydrogel

Technical Field

The utility model relates to the technical field of hydrogel mixers, in particular to a mixing device for preparing medical hydrogel.

Background

The medical hydrogel has semi-permeability, and has the effects of blocking bacteria, preventing wound infection, allowing oxygen and water to pass through, and the like. When the hydrogel is prepared, a stirring device is needed to uniformly stir the raw materials. The existing stirring equipment for stirring the hydrogel matrix has the following problems:

1. in the mixing and stirring process, the stirring is not uniform, the hydrogel matrix in the stirring container has higher concentration, is easy to adhere to the inner wall of the stirring container, and cannot be stirred fully; in addition, substances adhered to the inner wall of the stirring container are not easy to clean during discharging;

2. lack the preheating function to the raw materials before the stirring, heating device in the stirred vessel need heat longer time during the stirring and just can heat the raw materials to suitable stirring mixing temperature, influences agitating unit's work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and designs a stirring device for preparing medical hydrogel.

The technical scheme of the utility model is that the stirring device for preparing the medical hydrogel comprises a rack, a stirring mechanism and a water bath heating mechanism, wherein the water bath heating mechanism comprises a water bath heating shell fixed on the rack, a heater is arranged in the water bath heating shell, a preheating shell is arranged on one side of the top of the water bath heating shell, and the preheating shell is communicated with the water bath heating shell through a water outlet; the stirring mechanism comprises a stirring tank, the lower part of the stirring tank is hermetically arranged in a water-bath heating shell, the bottom end of the stirring tank is provided with a discharge port extending out of the water-bath heating shell, the discharge port is provided with a discharge valve, the upper part of the stirring tank extends out of the water-bath heating shell and is provided with a feed hopper through a feed pipe, the feed hopper is hermetically arranged in a preheating shell, the top opening end of the feed hopper extends out of the preheating shell, the top end of the stirring tank is provided with a driving mechanism, a stirring shaft is coaxially arranged in the stirring tank and is provided with a stirring blade, the top end of the stirring shaft extends out of the stirring tank and is in transmission connection with the driving mechanism, a turntable bearing, a fixed ring plate, a rotary baffle disc and at least one scraper blade in contact fit with the inner wall of the stirring tank are sequentially arranged in the stirring tank from top to bottom, the fixed ring plate is fixedly arranged on the inner wall of the stirring tank, the outer ring of the turntable bearing is fixedly arranged on the fixed ring plate, the inner ring of the rotary disc bearing is fixedly provided with an inner ring gear, the stirring shaft is provided with a driving gear, the inner wall of the top end of the stirring tank is rotatably provided with a driven rotating shaft, the driven rotating shaft is provided with a driven gear, the driven gear is meshed with the driving gear and the inner ring gear and is connected with the inner ring gear, the inner ring of the rotary disc bearing is fixedly connected with a rotary blocking disc through a connecting rod, the rotary blocking disc is provided with a round hole for the stirring shaft to move, the lower end of the rotary blocking disc is fixedly provided with a fixed rod corresponding to the scraper, and the fixed rod is fixedly connected with the scraper.

As a further improvement of the utility model, the water bath heating mechanism also comprises a water pumping pipe, a water pump, a water outlet pipe and an annular spraying pipe, wherein the water pump is arranged on the rack, one end of the water pumping pipe is communicated with the lower part of the water bath heating shell, the other end of the water pumping pipe is connected with the input end of the water pump, one end of the water outlet pipe is connected with the output end of the water pump, the other end of the water outlet pipe is connected with the annular spraying pipe, the annular spraying pipe is arranged in the preheating shell and positioned at the periphery of the feed hopper, and the annular spraying pipe is provided with a plurality of water spraying ports facing the preheating shell.

As a further improvement of the utility model, the upper part of the water-bath heating shell is provided with a water inlet, the water inlet is provided with a water inlet valve, the lower part of the water-bath heating shell is provided with a water outlet, and the water outlet is provided with a water discharge valve.

As a further improvement of the utility model, the frame is also provided with a vacuumizing mechanism, the vacuumizing mechanism comprises a vacuum pump and a vacuum tube, one end of the vacuum tube is connected with the vacuum pump, the other end of the vacuum tube is connected with the top of the stirring tank, and the vacuum tube is provided with a vacuum valve and a vacuum pressure gauge.

As a further improvement of the stirring shaft, the stirring shaft is provided with a material blocking disc, the material blocking disc is positioned below the rotary blocking disc and is close to the rotary blocking disc, and the diameter of the material blocking disc is larger than that of the circular hole.

As a further improvement of the utility model, the driving mechanism comprises a stirring motor, the stirring motor is arranged at the top of the stirring tank through a mounting frame, and the output end of the stirring motor is connected with the stirring shaft through a coupler.

The utility model has the beneficial effects that: the feed hopper is preheated, so that the raw materials are preheated in the feed hopper and the feed pipe to reach or approach the temperature suitable for stirring, and the stirring operation is conveniently and rapidly carried out; in the stirring process, the scraper blade has slowly turned over and scrapes off the adnexed material of agitator tank inner wall, avoids the material adhesion at the agitator tank inner wall for the material obtains intensive mixing, improves stirring effect, the follow-up clearance of being convenient for simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a partial schematic view of the agitation mechanism of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

in the figure, 1, a frame; 2. heating the shell in a water bath; 3. a heater; 4. preheating the shell; 5. a water outlet; 6. a stirring tank; 7. a discharge port; 8. a discharge valve; 9. a feed pipe; 10. a feed hopper; 11. a feed valve; 12. a stirring shaft; 13. stirring blades; 14. a turntable bearing; 15. a stationary ring plate; 16. rotating the catch disc; 17. a squeegee; 18. an inner gear ring; 19. a driving gear; 20. a driven rotating shaft; 21. a driven gear; 22. a circular hole; 23. fixing the rod; 24. a water pumping pipe; 25. a water pump; 26. a water outlet pipe; 27. an annular shower pipe; 28. a water inlet; 29. a water inlet valve; 30. a water outlet; 31. a drain valve; 32. a vacuum pump; 33. a vacuum tube; 34. a vacuum valve; 35. a vacuum pressure gauge; 36. a material blocking disc; 37. a stirring motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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 invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" as used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.

In one embodiment, please refer to FIGS. 1-4: a stirring device for preparing medical hydrogel comprises a rack 1, a stirring mechanism and a water bath heating mechanism, wherein the water bath heating mechanism comprises a water bath heating shell 2 fixed on the rack 1, a heater 3 is installed in the water bath heating shell 2, a preheating shell 4 is installed on one side of the top of the water bath heating shell 2, and the preheating shell 4 is communicated with the water bath heating shell 2 through a water outlet 5; the stirring mechanism comprises a stirring tank 6, the lower part of the stirring tank 6 is hermetically arranged in a water-bath heating shell 2, the bottom end of the stirring tank 6 is provided with a discharge port 7 extending out of the water-bath heating shell 2, a discharge valve 8 is arranged at the discharge port 7, the upper part of the stirring tank 6 extends out of the water-bath heating shell 2 and is provided with a feed hopper 10 through a feed pipe 9, the feed pipe 9 is provided with a feed valve 11, the feed hopper 10 is hermetically arranged in a preheating shell 4, the top opening end of the feed hopper extends out of the preheating shell 4, the top end of the stirring tank 6 is provided with a driving mechanism, a stirring shaft 12 is coaxially arranged in the stirring tank 6 and is hermetically and rotatably connected with the top of the stirring tank through a sealing bearing, so that a certain vacuum degree can still be kept in the stirring tank 6 when the stirring shaft 12 rotates, stirring blades 13 are arranged on the stirring shaft 12, the top end of the stirring shaft 12 extends out of the stirring tank 6 and is in transmission connection with the driving mechanism, the stirring tank is characterized in that a rotary disc bearing 14, a fixed ring plate 15, a rotary blocking disc 16 and two scraping plates 17 in contact fit with the inner wall of the stirring tank 6 are sequentially arranged in the stirring tank 6 from top to bottom, the fixed ring plate 15 is fixedly arranged on the inner wall of the stirring tank 6, the outer ring of the rotary disc bearing 14 is fixedly arranged on the fixed ring plate 15, an inner ring gear 18 is fixedly arranged on the inner ring of the rotary disc bearing 14, a driving gear 19 is arranged on the stirring shaft 12, a driven rotating shaft 20 is rotatably arranged on the inner wall of the top end of the stirring tank 6, a driven gear 21 is arranged on the driven rotating shaft 20, the driven gear 21 is in meshed connection with the driving gear 19 and the inner ring gear 18, the inner ring of the rotary disc bearing 14 is fixedly connected with the rotary blocking disc 16 through a connecting rod, the rotary blocking disc 16 is provided with a round hole 22 for the stirring shaft 12 to move, the lower end of the rotary blocking disc 16 is fixedly provided with a fixing rod 23 corresponding to the scraping plates 17, and the fixing rod 23 is fixedly connected with the scraping plates 17. The rotary blocking disc 16 rotates along with the stirring shaft 12, can prevent stirred materials from splashing above the rotary blocking disc, and avoids the materials from contacting with the driven gear 21, the driving gear 19 and the inner gear ring 18.

For realizing preheating feeder hopper 10 and inside material thereof, it still includes drinking-water pipe 24 to set up water-bath heating mechanism, water pump 25, outlet pipe 26 and annular shower 27, water pump 25 installs in frame 1, the drinking-water pipe 24 one end is connected with water-bath heating 2 lower parts of casing lower part intercommunication other ends and water pump 25 input, outlet pipe 26 one end is connected the other end with water pump 25 output and is connected with annular shower 27, annular shower 27 sets up and just lies in feeder hopper 10 periphery in preheating casing 4, be equipped with a plurality of water jet that preheat casing 4 of orientation on the annular shower 27.

The upper part of the water bath heating shell 2 is provided with a water inlet 28, the water inlet 28 is provided with a water inlet valve 29, the lower part of the water bath heating shell 2 is provided with a water outlet 30, and the water outlet 30 is provided with a water outlet valve 31. Water is added into the water bath heating shell 2 from the water inlet 28 through the air inlet valve 29; the water in the water-bath heating casing 2 can be discharged through the water discharge port 30 by opening the water discharge valve 31.

Still install evacuation mechanism on the frame 1, evacuation mechanism includes vacuum pump 32 and vacuum tube 33, and vacuum tube 33 one end is connected the other end with agitator tank 6 top with vacuum pump 32 and is connected, installs vacuum valve 34 and vacuum pressure gauge 35 on the vacuum tube 33. The vacuum degree in the stirring tank 6 can be maintained by opening and closing the vacuum valve 34, and the vacuum pressure gauge 35 can display the vacuum degree in the stirring tank 6.

The stirring shaft 12 is provided with a material blocking disc 36, the material blocking disc 36 is positioned below the rotary blocking disc 16 and is close to the rotary blocking disc 16, and the diameter of the material blocking disc 36 is larger than that of the round hole 22. The material blocking disc 36 can block the round hole 22 to prevent the stirred material from splashing into the round hole 22.

Actuating mechanism includes agitator motor 37, and agitator motor 37 passes through the mounting bracket to be installed at 6 tops of agitator tank, and agitator motor 37 output passes through the shaft coupling to be connected with (mixing) shaft 12.

The working principle of the embodiment is as follows: the heater 3 is started in advance, the heater 3 heats the water in the water bath heating shell 2 to a preset appropriate temperature, the water pump 25 is started, the water pump 25 conveys the water to the annular spraying pipe 27 through the water pumping pipe 24 and the water outlet pipe 26, the annular spraying pipe 27 sprays hot water to the outer wall of the feed hopper 10, and the feed hopper 10 is preheated;

firstly, hydrogel raw materials to be stirred are added into a feed hopper 10 one by one, the raw materials are preheated in the feed hopper 10 and a feed pipe 9 to reach or approach a temperature suitable for stirring, after all the materials are prepared, a feed valve 11, a stirring motor 37 and a vacuum pump 32 are started, all the raw materials enter a stirring tank 6 from the feed pipe 9, the stirring motor 37 drives a stirring shaft 12 to rotate, the stirring shaft 12 fully stirs the materials through a stirring blade 13, meanwhile, the stirring shaft 12 drives a driven gear 21, an inner gear ring 18, an inner ring of a turntable bearing 14, a connecting rod and a rotary baffle disc 16 to rotate through a driving gear 19, the rotary baffle disc 16 drives a scraping plate 17 to rotate through a fixed rod 23, the scraping plate 17 scrapes off the materials attached to the inner wall of the stirring tank 6, the materials are prevented from being adhered to the inner wall of the stirring tank 6, the stirring effect is improved, the stirring tank 6 is heated through hot water in a water bath heating shell 2, maintaining the temperature of the hydrogel material in the stirred tank 6; meanwhile, the vacuum pump 32 vacuumizes the stirring tank 6 through the vacuum tube 33, so that the stirring work of the hydrogel is performed in a vacuum environment, the hydrogel matrix is prevented from being stirred and foamed, the stirring treatment effect of the hydrogel is improved, and the product quality is improved;

after the stirring is finished, the stirring motor 37, the water pump 25, the vacuum pump 32 and the heater 3 are closed, the discharge valve 8 is opened, and the material is discharged from the discharge hole 7.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. A stirring device for preparing medical hydrogel comprises a rack (1) and a stirring mechanism, and is characterized by further comprising a water bath heating mechanism, wherein the water bath heating mechanism comprises a water bath heating shell (2) fixed on the rack (1), a heater (3) is installed in the water bath heating shell (2), a preheating shell (4) is installed on one side of the top of the water bath heating shell (2), and the preheating shell (4) is communicated with the water bath heating shell (2) through a water outlet (5); the stirring mechanism comprises a stirring tank (6), the lower part of the stirring tank (6) is hermetically installed in the water-bath heating shell (2), the bottom end of the stirring tank (6) is provided with a discharge port (7) extending out of the water-bath heating shell (2), the discharge port (7) is provided with a discharge valve (8), the upper part of the stirring tank (6) extends out of the water-bath heating shell (2) and is provided with a feed hopper (10) through a feed pipe (9), the feed pipe (9) is provided with a feed valve (11), the feed hopper (10) is hermetically installed in the preheating shell (4) and the top opening end extends out of the preheating shell (4), the top end of the stirring tank (6) is provided with a driving mechanism, the stirring tank (6) is internally and coaxially provided with a stirring shaft (12), the stirring blade (13) is installed on the stirring shaft (12), and the top end of the stirring shaft (12) extends out of the stirring tank (6) and is in transmission connection with the driving mechanism, a turntable bearing (14), a fixed ring plate (15), a rotary baffle disc (16) and at least one scraper (17) which is in contact fit with the inner wall of the stirring tank (6) are sequentially arranged in the stirring tank (6) from top to bottom, the fixed ring plate (15) is fixedly arranged on the inner wall of the stirring tank (6), the outer ring of the turntable bearing (14) is fixedly arranged on the fixed ring plate (15), an inner ring gear (18) is fixedly arranged on the inner ring of the turntable bearing (14), a driving gear (19) is arranged on the stirring shaft (12), a driven rotating shaft (20) is rotatably arranged on the inner wall of the top end of the stirring tank (6), a driven gear (21) is arranged on the driven rotating shaft (20), the driven gear (21) is meshed and connected with the driving gear (19) and the inner ring gear (18), the inner ring of the turntable bearing (14) is fixedly connected with the rotary baffle disc (16) through a connecting rod, a round hole (22) for the stirring shaft (12) to move is formed in the rotary baffle disc (16), the lower end of the rotary blocking disc (16) is fixed with a fixed rod (23) corresponding to the scraper (17), and the fixed rod (23) is fixedly connected with the scraper (17).

2. The stirring device for preparing medical hydrogel according to claim 1, wherein the water-bath heating mechanism further comprises a water pumping pipe (24), a water pump (25), a water outlet pipe (26) and a ring-shaped spraying pipe (27), the water pump (25) is installed on the rack (1), one end of the water pumping pipe (24) is communicated with the lower portion of the water-bath heating shell (2), the other end of the water pumping pipe is connected with the input end of the water pump (25), one end of the water outlet pipe (26) is connected with the output end of the water pump (25), the other end of the water outlet pipe is connected with the ring-shaped spraying pipe (27), the ring-shaped spraying pipe (27) is arranged in the preheating shell (4) and is located on the periphery of the feed hopper (10), and the ring-shaped spraying pipe (27) is provided with a plurality of water nozzles facing the preheating shell (4).

3. The stirring device for preparing medical hydrogel according to claim 1, wherein the upper part of the water bath heating shell (2) is provided with a water inlet (28), a water inlet valve (29) is arranged at the water inlet (28), a water outlet (30) is arranged at the lower part of the water bath heating shell (2), and a water outlet valve (31) is arranged at the water outlet (30).

4. The stirring device for preparing medical hydrogel according to claim 1, wherein the frame (1) is further provided with a vacuum pumping mechanism, the vacuum pumping mechanism comprises a vacuum pump (32) and a vacuum tube (33), one end of the vacuum tube (33) is connected with the vacuum pump (32) and the other end is connected with the top of the stirring tank (6), and the vacuum tube (33) is provided with a vacuum valve (34) and a vacuum pressure gauge (35).

5. The stirring device for preparing medical hydrogel according to claim 1, wherein the stirring shaft (12) is provided with a material blocking disc (36), the material blocking disc (36) is located below the rotary material blocking disc (16) and is closely adjacent to the rotary material blocking disc (16), and the diameter of the material blocking disc (36) is larger than that of the circular hole (22).

6. The stirring device for preparing medical hydrogel according to claim 1, wherein the driving mechanism comprises a stirring motor (37), the stirring motor (37) is installed on the top of the stirring tank (6) through a mounting frame, and the output end of the stirring motor (37) is connected with the stirring shaft (12) through a coupler.