Stirring device for producing medical polyurethane adhesive

Abstract

The utility model discloses a stirring device for medical polyurethane adhesive production, which comprises a hydraulic column, a stirring cylinder and a stirring shaft, the top of the hydraulic column is fixedly provided with a shell, the stirring cylinder is provided with a cleaning mechanism, the cleaning mechanism comprises a cleaning piece and a driving piece, the cleaning piece comprises a vertical bar and a bearing, and the vertical bar is fixedly connected with the shell. A rubber scraping strip is fixedly arranged on the side face of the vertical strip, the bearing comprises an outer ring and an inner ring, and a first outer gear is fixedly arranged at the top of the inner ring; according to the utility model, through the designed cleaning mechanism, a rotating rubber scraping strip can conveniently clean and scrape a polyurethane adhesive adhered to the inner wall of the stirring barrel in the stirring and mixing process of various raw materials in the stirring barrel in use; and the adhered polyurethane adhesive can be uniformly mixed with the polyurethane adhesive in the stirring barrel, so that the stirring and mixing effects are improved, and the finished product quality of the polyurethane adhesive is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of stirring equipment, and in particular relates to a stirring device for producing medical polyurethane adhesive. Background Art

[0002] Polyurethane adhesive refers to an adhesive containing carbamate groups or isocyanate groups in the molecular chain. Medical polyurethane adhesive can be used to bond and assemble medical devices together. When producing polyurethane adhesive, various raw materials are placed in a stirring device for stirring and mixing together. During stirring, the various raw materials are placed in a stirring drum in the stirring device, and then the stirring motor is turned on. At this time, the working end of the stirring motor rotates to drive the stirring shaft and the stirring blades to rotate to stir and mix the various raw materials in the stirring drum. Chinese patent application No. 202021275891.9 discloses a stirring device for the production of polyurethane adhesives. It can be seen that the content describes a stirring device for the production of medical polyurethane adhesives.

[0003] When the existing stirring device for producing medical polyurethane adhesive is used, the polyurethane adhesive is easy to adhere to the inner wall of the stirring barrel, which will cause uneven mixing during the stirring process and reduce the stirring quality of the polyurethane adhesive. For this reason, we propose a stirring device for producing medical polyurethane adhesive. Utility Model Content

[0004] The purpose of the utility model is to provide a stirring device for producing medical polyurethane adhesive, so as to solve the problem that when the existing stirring device for producing medical polyurethane adhesive is used, the polyurethane adhesive is easily adhered to the inner wall of the stirring barrel, which causes uneven mixing during the stirring process.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stirring device for the production of medical polyurethane adhesive, comprising a hydraulic column, a stirring drum and a stirring shaft, a shell is fixedly arranged on the top of the hydraulic column, a cleaning mechanism is arranged on the stirring drum, the cleaning mechanism comprises a cleaning member and a driving member, the cleaning member comprises a vertical bar and a bearing, a rubber scraper is fixedly arranged on the side of the vertical bar, the bearing comprises an outer ring and an inner ring, a first external gear is fixedly arranged on the top of the inner ring, a fixing plate is fixedly arranged on the top of the first external gear, and the vertical bar is located at the bottom of the fixing plate.

[0006] Preferably, the bottom of the outer ring is fixed to the top of the mixing drum, and a plurality of groups of balls are arranged between the inner ring and the outer ring.

[0007] Preferably, the driving member includes a concave plate and a reduction motor, and a second external gear is fixedly provided on the working end of the reduction motor.

[0008] Preferably, the second external gear is meshingly connected with the first external gear, and the reduction motor is fixed on the concave plate.

[0009] Preferably, two groups of bolts are provided on the concave plate, and the working ends of the bolts pass through the interior of the concave plate and extend to the interior of the mixing drum.

[0010] Preferably, a screw is fixedly provided on the top of the vertical bar, a through hole is opened inside the fixing plate, the top of the screw passes through the inside of the through hole, and a nut is provided on the outside of the screw.

[0011] Preferably, a stirring motor is provided on the shell, a driving wheel and a driven wheel are respectively provided inside the shell, a conveyor belt is provided outside the driving wheel and the driven wheel, the top of the stirring shaft is fixed on the driven wheel, and a stirring blade is fixedly provided at the bottom of the stirring shaft.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The cleaning mechanism designed in the utility model makes it easy for the rotating rubber scraper to clean and scrape off the polyurethane adhesive adhering to the inner wall of the mixing drum during the mixing and mixing of various raw materials in the mixing drum, so that the adhering polyurethane adhesive can be evenly mixed with the polyurethane adhesive in the mixing drum, thereby increasing the mixing and stirring effect and improving the quality of the finished polyurethane adhesive. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cleaning mechanism structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the reduction motor of the utility model;

[0017] Figure 4 This is a schematic diagram of the mixing drum structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the cross-sectional structure of the mixing drum of the utility model;

[0019] Figure 6 This is a schematic diagram of the structure of the mixing drum and the hydraulic column of the utility model when viewed from above;

[0020] In the figure: 100, hydraulic column; 101, shell; 103, stirring shaft; 104, stirring drum; 200, reduction motor; 201, concave plate; 202, outer ring; 203, inner ring; 204, first outer gear; 205, second outer gear; 206, vertical bar; 207, fixed plate; 208, rubber scraper; 300, screw; 301, nut. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example

[0023] See also Figure 1-Figure 6 The utility model provides a technical solution: a stirring device for producing medical polyurethane adhesive, comprising a hydraulic column 100, a stirring drum 104 and a stirring shaft 103. When in use, the stirring shaft 103 rotates to drive the stirring blade to rotate, so as to stir and mix the various raw materials in the stirring drum 104. A shell 101 is fixedly arranged on the top of the hydraulic column 100. A cleaning mechanism is arranged on the stirring drum 104. The cleaning mechanism comprises a cleaning member and a driving member. The cleaning member comprises a vertical bar 206 and a bearing. When in use, the bearing facilitates the rotation of a rubber scraper 208. A rubber scraper 208 is fixedly arranged on the side of the vertical bar 206. The bearing comprises an outer ring 202 and an inner ring 203. A first external gear 204 is fixedly arranged on the top of the inner ring 203. A fixing plate 207 is fixedly arranged on the top of the first external gear 204. The vertical bar 206 is located at the bottom of the fixing plate 207. The bottom of the outer ring 202 is fixed to the top of the stirring drum 104. The inner ring 203 and the inner ring 203 are fixed to the top of the first external gear 204. A plurality of groups of balls are arranged between the outer rings 202, and the driving member includes a concave plate 201 and a reduction motor 200. When in use, the reduction motor 200 can drive the rubber scraper 208 to rotate. A second outer gear 205 is fixedly arranged at the working end of the reduction motor 200, and the second outer gear 205 is meshingly connected with the first outer gear 204. The reduction motor 200 is fixed on the concave plate 201, and two groups of bolts are arranged on the concave plate 201. The working ends of the bolts pass through the interior of the concave plate 201 and extend to the interior of the mixing drum 104. Through the designed cleaning mechanism, the rotating rubber scraper 208 can clean and scrape the polyurethane adhesive adhered to the inner wall of the mixing drum 104 during the mixing and mixing of various raw materials in the mixing drum 104, so that the adhered polyurethane adhesive can be evenly mixed with the polyurethane adhesive in the mixing drum 104, thereby increasing the mixing and stirring effect and improving the quality of the finished product of the polyurethane adhesive.

[0024] In this embodiment, preferably, a screw 300 is fixedly provided on the top of the vertical bar 206, a through hole is opened inside the fixing plate 207, the top of the screw 300 passes through the inside of the through hole, and a nut 301 is provided on the outside of the screw 300. When in use, the nut 301 is screwed together with the screw 300 through a thread. The designed screw 300, through hole and nut 301 are combined to facilitate replacement of the rubber scraper 208 when it is severely worn during use, thereby improving the cleaning stability of the polyurethane adhesive adhered to the inner wall of the mixing drum 104.

[0025] In this embodiment, preferably, a stirring motor is provided on the shell 101, a driving wheel and a driven wheel are respectively provided inside the shell 101, a transmission belt is provided outside the driving wheel and the driven wheel, the top of the stirring shaft 103 is fixed on the driven wheel, and a stirring blade is fixedly provided at the bottom of the stirring shaft 103.

[0026] The working principle and use process of this utility model:

[0027] When the utility model is in use, when the mixing drum 104 mixes and stirs a variety of raw materials, the reduction motor 200 is turned on, and the working end of the reduction motor 200 rotates, driving the second outer gear 205 to rotate, the second outer gear 205 drives the first outer gear 204 to rotate, the first outer gear 204 drives the inner ring 203 to rotate, the inner ring 203 drives the fixed plate 207 to rotate, the fixed plate 207 drives the screw 300 to rotate, the screw 300 drives the vertical bar 206 to rotate, the vertical bar 206 drives the rubber scraper 208 to rotate, and then the rubber scraper 208 can scrape the polyurethane adhesive adhered to the inner wall of the mixing drum 104 and drop it into the polyurethane adhesive in the mixing drum 104 for mixing and mixing;

[0028] When the rubber scraper strip 208 is severely worn after being used for a long time, turn the nut 301 outward to unscrew it, then move the vertical bar 206 downward to drive the top of the screw rod 300 to disengage from the through hole in the fixed plate 207, then remove the vertical bar 206 and the rubber scraper strip 208, and then take out a new rubber scraper strip 208 and replace it by following the above-mentioned reverse principle.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stirring device for producing medical polyurethane adhesive, comprising a hydraulic column (100), a stirring drum (104) and a stirring shaft (103), wherein a housing (101) is fixedly arranged on the top of the hydraulic column (100), characterized in that: The mixing drum (104) is provided with a cleaning mechanism, the cleaning mechanism comprising a cleaning member and a driving member, the cleaning member comprising a vertical bar (206) and a bearing, a rubber scraper (208) being fixedly provided on the side of the vertical bar (206), the bearing comprising an outer ring (202) and an inner ring (203), a first external gear (204) being fixedly provided on the top of the inner ring (203), a fixing plate (207) being fixedly provided on the top of the first external gear (204), and the vertical bar (206) being located at the bottom of the fixing plate (207).

2. A stirring device for producing medical polyurethane adhesive according to claim 1, characterized in that: The bottom of the outer ring (202) is fixed to the top of the mixing drum (104), and a plurality of groups of balls are arranged between the inner ring (203) and the outer ring (202).

3. A stirring device for producing medical polyurethane adhesive according to claim 2, characterized in that: The driving member comprises a concave plate (201) and a reduction motor (200), and a second external gear (205) is fixedly provided at a working end of the reduction motor (200).

4. A stirring device for producing medical polyurethane adhesive according to claim 3, characterized in that: The second external gear (205) is meshingly connected with the first external gear (204), and the reduction motor (200) is fixed on the concave plate (201).

5. A stirring device for producing medical polyurethane adhesive according to claim 4, characterized in that: Two groups of bolts are arranged on the concave plate (201), and the working ends of the bolts pass through the interior of the concave plate (201) and extend into the interior of the mixing drum (104).

6. A stirring device for producing medical polyurethane adhesive according to claim 5, characterized in that: A screw rod (300) is fixedly arranged at the top of the vertical bar (206), a through hole is opened inside the fixing plate (207), the top of the screw rod (300) passes through the inside of the through hole, and a nut (301) is arranged outside the screw rod (300).

7. The stirring device for producing medical polyurethane adhesive according to claim 1, characterized in that: The housing (101) is provided with a stirring motor, a driving wheel and a driven wheel are respectively provided inside the housing (101), a transmission belt is provided outside the driving wheel and the driven wheel, the top of the stirring shaft (103) is fixed on the driven wheel, and a stirring blade is fixedly provided at the bottom of the stirring shaft (103).

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