Stirring device for synthesis production of waterborne polyurethane resin

Abstract

The utility model discloses a stirring device for synthetic production of waterborne polyurethane resin, which comprises a worktable, a mixing barrel rotatably mounted on the worktable, a support fixedly mounted at the top of the worktable, a hollow sleeve rotatably mounted in the middle of the support, and an outer stirring frame fixedly mounted at the bottom of the hollow sleeve. A plurality of outer stirring blades are fixedly installed on the inner walls of the two sides of the outer stirring frame at equal intervals, a third motor is arranged in the middle of the top of the support, an output shaft of the third motor is connected with a rotating rod, and a plurality of inner stirring blades are fixedly installed on the rotating rod at equal intervals. The mixing barrel is driven by the first motor to rotate, primary mixing of resin in the barrel is achieved, the second motor drives the outer stirring frame and the outer stirring blades to revolve around the axis of the mixing barrel, flowing and mixing of the resin are further promoted, and the third motor drives the inner stirring blades to reversely rotate in the mixing barrel. The multiple stirring modes greatly enhance the stirring effect, so that the waterborne polyurethane resin can be mixed more uniformly.

Description

TECHNICAL FIELD

[0001] The utility model relates to waterborne polyurethane resin production equipment technical field more specifically, the utility model relates to waterborne polyurethane resin synthesis production stirring device. BACKGROUND

[0002] Waterborne polyurethane resin as an important high polymer material, has extensive application in the fields such as paint, adhesive, elastomer. In its synthesis production process, stirring is a vital link, it directly influences the quality and production efficiency of product.

[0003] Traditional stirring mode can not promote the flow and mixing of resin fully, causes the dead angle of resin in the stirring process, influences mixing uniformity, and due to the poor stirring effect, in order to reach the mixing degree required, can need to prolong the stirring time, thereby increased production cost, reduced production efficiency. Therefore, how to improve stirring device, improves the mixing effect of resin, becomes the problem of waterborne polyurethane resin production field to be solved urgently. SUMMARY

[0004] In order to overcome the above-mentioned defects of prior art, the utility model provides waterborne polyurethane resin synthesis production stirring device to solve the problem in the background art.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: waterborne polyurethane resin synthesis production stirring device, including workbench, the rotatable installation of mixing bucket is on the workbench, the workbench is provided with one drive assembly that drives mixing bucket and rotates, the workbench top fixed mounting has the support, the hollow sleeve is rotatably installed in the middle position of support, the hollow sleeve bottom fixed mounting has the outer stirring frame, the inner wall of both sides of outer stirring frame is equally spaced and fixedly installed with a plurality of outer stirring blades, the support is provided with the second drive assembly that drives the hollow sleeve and rotates, the middle position of support top is provided with the third motor, the rotary rod is connected to the output shaft of third motor, and the rotary rod passes through the hollow sleeve, and a plurality of inner stirring blades are fixedly installed on the rotary rod at equal intervals.

[0006] Further, the mixing bucket is communicated with the discharge pipe, and the valve is arranged on the discharge pipe.

[0007] Further, the first drive assembly includes a gear ring fixedly installed on the mixing bucket, a transmission rod is rotatably installed on the workbench, a gear is fixedly installed on the transmission rod, and the gear is meshed and connected with the gear ring, and the workbench is provided with a first motor, and the output shaft of the first motor is connected with the transmission rod.

[0008] Further, the mixing bucket and the hollow sleeve are coaxially arranged.

[0009] Further, the second driving assembly comprises a large gear fixedly installed on the hollow sleeve, and a second motor is arranged at the top of the support, and a small gear connected with the large gear is connected with an output shaft of the second motor.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The first motor drives the mixing barrel to rotate, the resin in the barrel is preliminarily mixed, meanwhile, the second motor drives the outer stirring frame and the outer stirring blade to revolve around the axis of the mixing barrel, the flow and mixing of the resin are further promoted, the third motor drives the inner stirring blade to rotate reversely in the mixing barrel, the multiple stirring mode greatly enhances the stirring effect, the waterborne polyurethane resin can be more uniformly mixed, thereby the production efficiency is improved, meanwhile, the multiple stirring mode also helps to reduce the energy consumption and cost in the production process. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained according to these drawings for the ordinary skilled in the art.

[0013] Figure 1 The overall structure schematic view provided by the utility model is shown in the figure.

[0014] Figure 2 The structure schematic view of the workbench provided by the utility model is shown in the figure.

[0015] Figure 3 The structure schematic view of the first driving assembly provided by the utility model is shown in the figure.

[0016] Figure 4 The structure schematic view of the second driving assembly provided by the utility model is shown in the figure.

[0017] Mark explanation:

[0018] 1, workbench, 2, mixing barrel, 3, first driving assembly, 301, gear ring, 302, transmission rod, 303, gear, 304, first motor, 4, support, 5, hollow sleeve, 6, outer stirring frame, 7, outer stirring blade, 8, second driving assembly, 801, large gear, 802, second motor, 803, small gear, 9, third motor, 10, rotating rod, 11, inner stirring blade, 12, discharge pipe, 13, valve. DETAILED DESCRIPTION

[0019] The following specific embodiments illustrate the embodiments of the present application, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosed content of the specification. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] In order for those skilled in the art to better understand the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0021] Embodiment:

[0022] Referring to the drawings Figure 1 and Figure 2 The stirring device for synthesizing and producing waterborne polyurethane resin of the embodiment comprises a workbench 1, a mixing barrel 2 is rotatably installed on the workbench 1, the mixing barrel 2 is vertically arranged, a discharge pipe 12 is communicated with the bottom of the mixing barrel 2, a valve 13 is arranged on the discharge pipe 12, and the valve 13 is opened when the waterborne polyurethane resin in the mixing barrel 2 is stirred to completion, so that the waterborne polyurethane resin stirred to completion is discharged from the discharge pipe 12.

[0023] Referring to the drawings Figure 1 and Figure 3 A first driving assembly 3 for driving the mixing barrel 2 to rotate is arranged on the workbench 1, the first driving assembly 3 comprises a gear ring 301 fixedly installed on the mixing barrel 2, a transmission rod 302 is rotatably installed on the workbench 1, the transmission rod 302 is longitudinally arranged, a gear 303 is fixedly installed on the transmission rod 302, and the gear 303 is meshingly connected with the gear ring 301, a first motor 304 is arranged on the workbench 1, and the output shaft of the first motor 304 is connected with the transmission rod 302. In use, the operator starts the first motor 304, the output shaft of the first motor 304 drives the transmission rod 302 and the gear 303 on the transmission rod 302 to rotate, so as to realize the rotation of the gear ring 301 and the mixing barrel 2, which is helpful for the preliminary mixing of the resin in the barrel.

[0024] Referring to the drawings Figure 1 and Figure 4The top of the workbench 1 is fixedly provided with a support 4, a hollow sleeve 5 is rotatably arranged at the middle position of the support 4, the mixing barrel 2 is coaxially arranged with the hollow sleeve 5, the bottom of the hollow sleeve 5 is fixedly provided with an outer stirring frame 6, a plurality of outer stirring blades 7 are fixedly arranged on the inner walls of the two sides of the outer stirring frame 6 at equal intervals, the support 4 is provided with a second driving assembly 8 for driving the hollow sleeve 5 to rotate, the second driving assembly 8 comprises a large gear 801 fixedly arranged on the hollow sleeve 5, a second motor 802 is arranged at the top of the support 4, and the output shaft of the second motor 802 is connected with a small gear 803 in meshing connection with the large gear 801. When in use, the second motor 802 is started, the output shaft of the second motor 802 drives the small gear 803 to rotate, so that the large gear 801, the hollow sleeve 5, the outer stirring frame 6 and the outer stirring blades 7 rotate, and the resin in the barrel forms greater flow and shear force.

[0025] With reference to the accompanying drawings Figure 1 and Figure 4 A third motor 9 is arranged at the middle position of the top of the support 4, a rotating rod 10 is connected with the output shaft of the third motor 9, the rotating rod 10 penetrates through the hollow sleeve 5, a plurality of inner stirring blades 11 are fixedly arranged on the rotating rod 10 at equal intervals, when in use, the third motor 9 is started, the output shaft of the third motor 9 drives the rotating rod 10 and the inner stirring blades 11 to rotate, when the device is used, the directions of the output shafts of the second motor 802 and the third motor 9 are controlled to be opposite, the directions of the outer stirring blades 7 and the inner stirring blades 11 are opposite, and the stirring efficiency and the mixing uniformity are improved.

[0026] The first motor 304 drives the mixing barrel 2 to rotate, the second motor 802 drives the outer stirring frame 6 and the outer stirring blades 7 to revolve around the axis of the mixing barrel 2, and the third motor 9 drives the inner stirring blades 11 to rotate reversely in the mixing barrel 2, so that the multiple stirring effects are realized, and the uniform mixing of the water-based polyurethane resin is promoted.

[0027] Finally, the above-mentioned is only the preferred embodiment of the utility model, and is not used for limiting the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A stirring device for the synthesis production of an aqueous polyurethane resin, characterized by, The device includes a workbench (1), on which a mixing tank (2) is rotatably mounted. A first drive assembly (3) is provided on the workbench (1) to drive the mixing tank (2) to rotate. A bracket (4) is fixedly mounted on the top of the workbench (1). A hollow sleeve (5) is rotatably mounted in the middle of the bracket (4). An outer stirring frame (6) is fixedly mounted at the bottom of the hollow sleeve (5). Multiple outer stirring blades (7) are fixedly mounted at equal intervals on the inner walls of both sides of the outer stirring frame (6). A second drive assembly (8) is provided on the bracket (4) to drive the hollow sleeve (5) to rotate. A third motor (9) is provided in the middle of the top of the bracket (4). The output shaft of the third motor (9) is connected to a rotating rod (10), and the rotating rod (10) passes through the hollow sleeve (5). Multiple inner stirring blades (11) are fixedly mounted at equal intervals on the rotating rod (10).

2. The stirring device for the synthesis of waterborne polyurethane resin according to claim 1, characterized in that: The bottom of the mixing tank (2) is connected to a discharge pipe (12), and a valve (13) is provided on the discharge pipe (12).

3. The stirring device for the synthesis of waterborne polyurethane resin according to claim 1, characterized in that: The first drive assembly (3) includes a gear ring (301) fixedly installed on the mixing tank (2), a transmission rod (302) rotatably installed on the workbench (1), a gear (303) fixedly installed on the transmission rod (302), and the gear (303) meshing with the gear ring (301). A first motor (304) is provided on the workbench (1), and the output shaft of the first motor (304) is connected to the transmission rod (302).

4. The stirring device for the synthesis of waterborne polyurethane resin according to claim 1, characterized in that: The mixing tank (2) is coaxially arranged with the hollow sleeve (5).

5. The stirring device for the synthesis of waterborne polyurethane resin according to claim 1, characterized in that: The second drive assembly (8) includes a large gear (801) fixedly installed on the hollow sleeve (5), and a second motor (802) is provided on the top of the bracket (4). The output shaft of the second motor (802) is connected to a small gear (803) that meshes with the large gear (801).

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