Mixing and stirring tank

Abstract

The utility model is applicable to the technical field of polyurethane production, and provides a mixing and stirring tank which comprises a tank body used for mixing polyurethane production raw materials, and a top cover is fixedly mounted at the top of the tank body; the mounting plate is arranged in the tank body, the mounting plate is used for mounting a mixing and stirring mechanism, and the mixing and stirring mechanism is used for mixing polyurethane production raw materials; and the rotary driving mechanism is assembled on the mounting plate and is used for driving the mounting plate and components on the mounting plate to rotate. The material mixing and stirring tank provided by the scheme can be used for transversely stirring raw materials, can also enable the raw materials to turn over upwards, can change the stirring position, improves the stirring and mixing efficiency and the mixing effect of the raw materials, and improves the production efficiency of polyurethane.

Description

TECHNICAL FIELD

[0001] The utility model belongs to polyurethane production technical field especially relates to a mixing and stirring tank. BACKGROUND

[0002] Polyurethane is the high molecular compound of the polymerization of polybasic isocyanate and polybasic oxygen compound. The application range of polyurethane is very wide, can be applied to the field of building, the field of car (is used as sound insulation material, plays the role of shock attenuation, sound insulation), medical field (is used as the material of protective equipment or equipment) etc., also can be used as sealing ring processing material, can also be used as packaging, filtering, insulating material.

[0003] The production method of polyurethane is not unique, can produce polyurethane through one-step method, two-step method, bulk method etc. production process. One-step method is a kind of commonly used polyurethane production process, wherein mainly through the mixing of various raw materials of polyurethane, makes it react to produce polyurethane product. Therefore, mixing and stirring tank is needed to stir the production raw materials of polyurethane to make it mix.

[0004] However, the mixing and stirring tank in the prior art has the problem of single stirring function when producing polyurethane, and the mixing rate of raw materials is low, so it cannot meet the requirement of full mixing of various materials. UTILITY MODEL CONTENTS

[0005] To solve the technical problems of single stirring function and low raw material mixing efficiency of the existing mixing and stirring tank, the utility model provides a mixing and stirring tank.

[0006] The utility model is realized in this way, a mixing and stirring tank, include: for the mixing of polyurethane production raw materials tank body, the top of the tank body is fixedly installed with top cover, install the mounting plate in the tank body, the mounting plate is used to install mixing and stirring mechanism, the mixing and stirring mechanism is used to mix polyurethane production raw materials, the rotary drive mechanism of assembly on the mounting plate, the rotary drive mechanism is used to drive mounting plate and the component on it to rotate.

[0007] Preferably, the mixing and stirring mechanism includes: the mounting shaft of rotation installation on the mounting plate, a plurality of stirring blades are fixedly installed on the mounting shaft, the stirring blade is equipped with bending part, and a plurality of stirring holes are opened, the stirring auger of rotation installation on the mounting plate, and the mixing drive mechanism is installed on the mounting plate and top cover, the mixing drive mechanism is used to drive the rotation of mounting shaft and stirring auger.

[0008] Preferably, the mixed driving mechanism comprises: a rotating tube rotatably mounted on the mounting plate and the top cover; two support columns symmetrically mounted on the mounting plate; two rotating shafts rotatably mounted on the two support columns respectively, and the two ends of the two rotating shafts, the top end of the mounting shaft, the top end of the stirring auger and the rotating tube are all fixedly sleeved with bevel gears, the bevel gears on the rotating tube are engaged with the two bevel gears on the ends of the two rotating shafts close to each other, and the bevel gears of the mounting shaft and the top end of the stirring auger are engaged with the two bevel gears on the ends of the two rotating shafts away from each other respectively; a mounting frame fixedly mounted on the top cover; a stirring motor fixedly mounted on the inner wall of one side of the mounting frame; and two spur gears fixedly sleeved on the output shaft of the stirring motor and the rotating tube, and the two spur gears are engaged.

[0009] Preferably, the bottom of the top cover is fixedly mounted with a first ring seat and a second ring seat, the top ends of the two support columns are fixedly mounted with support blocks, the top and bottom of the two support blocks are all nested with a plurality of balls, the balls on the top of the two support blocks are all in contact with the bottom of the top cover, and the balls on the bottom of the two support blocks are respectively in contact with the first ring seat and the second ring seat.

[0010] Preferably, the rotating driving mechanism comprises: a support plate fixedly mounted on the bottom of the mounting plate; a middle shaft fixedly mounted on the top of the support plate, the middle shaft penetrating the rotating tube; a support seat fixedly mounted on the inner wall of one side of the mounting frame, the middle shaft being rotatably connected with the support seat; and a reduction motor fixedly mounted on the inner wall of one side of the mounting frame, the output shaft of the reduction motor being fixedly connected with the top end of the middle shaft.

[0011] Preferably, the top cover is further provided with a feeding mechanism for adding polyurethane production raw materials to the tank body, the feeding mechanism comprising: a feeding hopper fixedly mounted on the top of the top cover; a fixed ring provided in the feeding hopper, two support rods being fixedly mounted on the fixed ring, and the two support rods being fixedly connected with the inner wall of the feeding hopper; a discharging auger rotatably mounted on the fixed ring, a plurality of rotating plates being fixedly mounted on the discharging auger, and the plurality of rotating plates being annularly distributed; and a liquid injection pipe fixedly mounted on the top cover, the liquid injection pipe extending below the top cover, and the liquid outlet of the liquid injection pipe facing the rotating plates.

[0012] Preferably, the bottom of the tank body is fixedly mounted with a discharging pipe, the discharging pipe being in communication with the tank body, and a valve being provided on the discharging pipe.

[0013] Preferably, a plurality of protective covers are provided on the mounting plate, and the plurality of bevel gears are respectively located in the plurality of protective covers.

[0014] Compared with the related art, the mixing and stirring tank has the following beneficial effects:

[0015] In the scheme, the mounting plate is arranged in the tank body, and the mixing and stirring mechanism is arranged on the mounting plate and the top cover, so that the raw materials can be stirred horizontally, and the raw materials can also be stirred upward, improving the stirring efficiency of the raw materials; and the rotating driving mechanism is arranged, so that the mounting plate and the mixing and stirring mechanism thereon can rotate, so that the stirring position of the mixing machine stirring mechanism is changed, so that the stirring and mixing efficiency and the mixing effect of the raw materials are improved, and the polyurethane production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides a kind of mixing and stirring tank's structural schematic diagram;

[0017] Figure 2 The utility model discloses a kind of mixing and stirring tank's structural schematic diagram; Figure 1 The utility model discloses a kind of mixing and stirring tank's structural schematic diagram;

[0018] Figure 3 The utility model discloses a kind of mixing and stirring tank's structural schematic diagram; Figure 1 The utility model discloses a kind of mixing and stirring tank's structural schematic diagram;

[0019] Figure 4 The utility model discloses a kind of mixing and stirring tank's structural schematic diagram; Figure 3 The utility model discloses a kind of mixing and stirring tank's structural schematic diagram;

[0020] Figure 5 The utility model discloses a kind of mixing and stirring tank's structural schematic diagram;

[0021] Figure 6 The utility model discloses a kind of mixing and stirring tank's structural schematic diagram;

[0022] Figure 7 The utility model discloses a kind of mixing and stirring tank's structural schematic diagram;

[0023] Figure 8 The utility model discloses a kind of mixing and stirring tank's structural schematic diagram.

[0024] Reference numeral: 1, tank body;2, top cover;3, mounting plate;4, mounting shaft;5, stirring blade;6, stirring auger;7, rotating pipe;8, support column;9, rotating shaft;10, bevel gear;11, mounting frame;12, stirring motor;13, straight gear;14, first ring seat;15, second ring seat;16, support block;17, support plate;18, central shaft;19, support seat;20, speed reducer;21, feeding hopper;22, fixed ring;23, support rod;24, discharging auger;25, rotating plate;26, liquid injection pipe. DETAILED DESCRIPTION

[0025] Unless otherwise defined, 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; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the application description and the claims and the above description of drawings herein use the term "comprising" and "including" and their derivatives, which are open-ended, and mean the listed steps or components are included, but not to the exclusion of other similar structures or components. The use of the terms "first", "second", and the like does not imply a particular order but are used for naming purposes only.

[0026] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of other embodiments. It is expressly understood that the embodiments described herein are merely examples from a whole class of comparable embodiments which those skilled in the art will readily appreciate.

[0027] The utility model embodiment provides a kind of mixing and stirring tank, as shown in Figures 1-8 Mixing and stirring tank includes: for the mixing of polyurethane production raw materials tank body 1, the top of the tank body 1 is fixedly installed with top cover 2;It is installed in the mounting plate 3 in the tank body 1, the mounting plate 3 is used to install mixing and stirring mechanism, and the mixing and stirring mechanism is used to mix polyurethane production raw materials;Rotary drive mechanism is assembled on the mounting plate 3, and the rotary drive mechanism is used to drive mounting plate 3 and the component on it to rotate.

[0028] It needs to be explained that when using mixing and stirring tank to produce polyurethane, the production raw materials of polyurethane need to be stirred to mix by stirring component on mixing and stirring tank.But the stirring function of the existing mixing and stirring tank mainly relies on the rotation of multiple stirring blades on stirring shaft to stir raw materials, and its stirring function is relatively single, and the stirring and mixing efficiency of liquid and powder raw materials in polyurethane production raw materials is relatively low.

[0029] In the embodiment, the polyurethane production raw materials in tank body 1 are stirred by mixing and stirring mechanism, and the components in the stirring and mixing mechanism on mounting plate 3 can be slowly rotated by rotary drive mechanism, so that the stirring position of stirring component in stirring and mixing mechanism is changed, so that the stirring and mixing efficiency of raw materials is improved, and then the stirring and mixing effect is improved, and the production efficiency of polyurethane is improved.

[0030] The further preferable embodiment of the utility model discloses a mixing and stirring mechanism, which comprises: an installation shaft 4 rotatably installed on the installation plate 3; a plurality of stirring blades 5 fixedly installed on the installation shaft 4, wherein the stirring blades 5 are provided with a bending part and a plurality of stirring holes; a stirring auger 6 rotatably installed on the installation plate 3; and a mixing driving mechanism installed on the installation plate 3 and the top cover 2, which is used for driving the installation shaft 4 and the stirring auger 6 to rotate.

[0031] In the embodiment, the installation shaft 4 and the stirring auger 6 are driven to rotate by the mixing driving mechanism, and in the process of rotating the stirring auger 6, the raw materials in the tank body 1 are made to surge upwards, so that the upper and lower layers of raw materials are mixed, and the installation shaft 4 drives the stirring blades 5 to rotate, the rotating direction of the stirring blades 5 is the same as the positive angle of the bending part, so that the rotating resistance can be reduced, the rotating resistance of the stirring holes on the stirring blades 5 can also be reduced, and the stirring effect of the raw materials can be improved.

[0032] In the further preferable embodiment of the utility model, the mixing driving mechanism comprises: a rotating pipe 7 rotatably installed on the installation plate 3 and the top cover 2; two support columns 8 fixedly installed on the installation plate 3 and symmetrically arranged; two rotating shafts 9 rotatably installed on the two support columns 8 respectively, wherein the two ends of the two rotating shafts 9, the top end of the installation shaft 4, the top end of the stirring auger 6 and the rotating pipe 7 are all fixedly sleeved with bevel gears 10, the bevel gears 10 on the rotating pipe 7 are engaged with the two bevel gears 10 on the end of the two rotating shafts 9 that are close to each other, the bevel gears 10 on the top end of the installation shaft 4 and the stirring auger 6 are engaged with the two bevel gears 10 on the end of the two rotating shafts 9 that are far away from each other respectively; a mounting frame 11 fixedly installed on the top cover 2; a stirring motor 12 fixedly installed on the inner wall of one side of the mounting frame 11; and two spur gears 13 fixedly sleeved on the output shaft of the stirring motor 12 and the rotating pipe 7, wherein the two spur gears 13 are engaged.

[0033] In the embodiment, the rotating pipe 7 is driven to rotate by the two spur gears 13 through the starting of the stirring motor 12, the installation shaft 4 and the stirring auger 6 are driven to rotate by the rotating pipe 7 through the plurality of bevel gears 10 and the two rotating shafts 9, so that the stirring auger 6 and the stirring blades 5 can stir and mix the raw materials.

[0034] In the further preferable embodiment of the utility model, the bottom of the top cover 2 is fixedly installed with a first ring seat 14 and a second ring seat 15, the top end of each of the two support columns 8 is fixedly installed with a support block 16, the top and bottom of each of the two support blocks 16 are nested with a plurality of rolling balls, the rolling balls on the top of each of the two support blocks 16 are in contact with the bottom of the top cover 2, and the rolling balls on the bottom of each of the two support blocks 16 are in contact with the first ring seat 14 and the second ring seat 15 respectively.

[0035] In the embodiment, the installation plate 3 is supported by the two supporting blocks 16 supported on the first ring seat 14 and the second ring seat 15, and the stable rotation of the installation plate 3 is not affected.

[0036] In the further preferred embodiment of the utility model, the rotary drive mechanism comprises: a supporting plate 17 fixedly installed at the bottom of the installation plate 3; a middle shaft 18 fixedly installed at the top of the supporting plate 17, the middle shaft 18 penetrating the rotary tube 7; a supporting seat 19 fixedly installed on the inner wall of one side of the mounting frame 11, the middle shaft 18 being rotatably connected with the supporting seat 19; and a speed reducer 20 fixedly installed on the inner wall of one side of the mounting frame 11, the output shaft of the speed reducer 20 being fixedly connected with the top end of the middle shaft 18.

[0037] In the embodiment, the middle shaft 18 is driven to rotate by starting the speed reducer 20, the installation plate 3 is driven to rotate by the middle shaft 18 through the supporting plate 17, the stirring auger 6 and the installation shaft 4 are driven to rotate in the tank body 1 with the rotary tube 7 as the central axis, the stirring position of the stirring auger 6 and the stirring blade 5 is changed, and the stirring and mixing efficiency and effect of the raw materials are improved.

[0038] In the further preferred embodiment of the utility model, the top cover 2 is further provided with a feeding mechanism for adding polyurethane production raw materials into the tank body 1, the feeding mechanism comprises: a feeding hopper 21 fixedly installed at the top of the top cover 2; a fixed ring 22 arranged in the feeding hopper 21, two supporting rods 23 being fixedly installed on the fixed ring 22, the two supporting rods 23 being fixedly connected with the inner wall of the feeding hopper 21; a discharging auger 24 rotatably installed on the fixed ring 22, a plurality of rotating plates 25 being fixedly installed on the discharging auger 24, the plurality of rotating plates 25 being annularly distributed; and a liquid injection pipe 26 fixedly installed on the top cover 2, the liquid injection pipe 26 extending below the top cover 2, the liquid outlet of the liquid injection pipe 26 facing the rotating plates 25.

[0039] In the embodiment, the liquid raw materials are transported into the tank body 1 by the pump machine of the external device, the powder materials are added through the feeding hopper 21, and the liquid raw materials sprayed from the liquid outlet of the liquid injection pipe 26 impact the rotating plates 25, so that the discharging auger 24 rotates, and the powder raw materials are pushed downward, avoiding the poor discharging of the powder raw materials.

[0040] In the further preferred embodiment of the utility model, a discharging pipe is fixedly installed at the bottom of the tank body 1, the discharging pipe being communicated with the tank body 1, and a valve is arranged on the discharging pipe.

[0041] In the embodiment, after the polyurethane production raw materials are completely mixed, the materials are discharged by opening the valve on the discharging pipe.

[0042] The further preferred embodiment of the utility model further provides a plurality of protective covers on the mounting plate 3, and the plurality of bevel gears 10 are located in the plurality of protective covers respectively.

[0043] In the embodiment, the plurality of bevel gears 10 are protected by the plurality of protective covers.

[0044] In summary, the scheme can stir the raw materials horizontally, make the raw materials surge upward, change the stirring position, improve the stirring and mixing efficiency of the raw materials, and improve the polyurethane production efficiency.

[0045] Compared with the related art, in the scheme, the mounting plate 3 is arranged in the tank body 1, and the mixing and stirring mechanism is arranged on the mounting plate 3 and the top cover 2, so that the raw materials can be stirred horizontally, and the raw materials can surge upward, and the stirring efficiency of the raw materials is improved; and the rotary driving mechanism is arranged, so that the mounting plate 3 and the mixing and stirring mechanism thereon can rotate, the stirring position of the mixing machine stirring mechanism is changed, the stirring and mixing efficiency of the raw materials is improved, and the mixing effect and the polyurethane production efficiency are improved.

[0046] It should be noted that the circuit, electronic components and modules involved in the utility model are prior art, and a person skilled in the art can realize them without further description, and the content protected by the utility model does not involve improvement of software and methods.

[0047] In several embodiments provided by the application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only schematic; for example, the division of the above units is only a logical function division, and other division manners can be used in actual implementation; for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or communication connection between the units shown or discussed can be indirect coupling or communication connection through some interfaces, devices or units, and can be electrical, mechanical or in other forms.

[0048] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application. Obviously, the described examples are only some of the embodiments of the present application, not all the embodiments. Based on these examples, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above examples, those of ordinary skill in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence, and these technical solutions also fall within the scope of the present application.

Claims

1. A mixing bowl, characterized by, The utility model relates to a kind of polyurethane production raw materials mixing tank, including: The top of the tank (1) is fixedly installed with a top cover (2); The mounting plate (3) is arranged in the tank (1), and the mounting plate (3) is used to install mixing stirring mechanism for mixing polyurethane production raw materials, and the mixing stirring mechanism includes: a mounting shaft (4) rotatably mounted on the mounting plate (3);A plurality of stirring blades (5) fixedly installed on the mounting shaft (4), the stirring blades (5) are provided with a bending part, and a plurality of stirring holes are formed;A stirring auger (6) rotatably mounted on the mounting plate (3);And a mixing drive mechanism mounted on the mounting plate (3) and the top cover (2), the mixing drive mechanism is used to drive the mounting shaft (4) and the stirring auger (6) to rotate;The mixing drive mechanism includes: a rotating tube (7) rotatably mounted on the mounting plate (3) and the top cover (2);Two support columns (8) fixedly installed on the mounting plate (3) and symmetrically arranged;Two rotating shafts (9) rotatably mounted on the two support columns (8) respectively, the two ends of the two rotating shafts (9), the top end of the mounting shaft (4) and the top end of the stirring auger (6) and the rotating tube (7) are all fixedly sleeved with bevel gears (10), the bevel gears (10) on the rotating tube (7) are engaged with the two bevel gears (10) on the one end of the two rotating shafts (9) away from each other, and the bevel gears (10) on the top end of the mounting shaft (4) and the stirring auger (6) are engaged with the two bevel gears (10) on the one end of the two rotating shafts (9) away from each other respectively;A mounting bracket (11) fixedly installed on the top cover (2);A stirring motor (12) fixedly installed on one side of the inner wall of the mounting bracket (11);And two spur gears (13) fixedly sleeved on the output shaft of the stirring motor (12) and the rotating tube (7), the two spur gears (13) are engaged; A rotating drive mechanism assembled on the mounting plate (3) is used to drive the mounting plate (3) and the components thereon to rotate, and the rotating drive mechanism includes: a support plate (17) fixedly installed on the bottom of the mounting plate (3);A middle shaft (18) fixedly installed on the top of the support plate (17), the middle shaft (18) penetrates the rotating tube (7);A support seat (19) fixedly installed on one side of the inner wall of the mounting bracket (11), and the middle shaft (18) is rotatably connected with the support seat (19);And a speed reducer motor (20) fixedly installed on one side of the inner wall of the mounting bracket (11), and the output shaft of the speed reducer motor (20) is fixedly connected with the top end of the middle shaft (18).

2. The mixing bowl of claim 1, wherein The bottom of the top cover (2) is fixedly provided with a first ring seat (14) and a second ring seat (15), the top end of each of the two support columns (8) is fixedly provided with a support block (16), the top and bottom of each of the two support blocks (16) is nested with a plurality of rolling balls, the rolling balls on the top of the two support blocks (16) are in contact with the bottom of the top cover (2), and the rolling balls on the bottom of the two support blocks (16) are in contact with the first ring seat (14) and the second ring seat (15) respectively.

3. The mixing bowl of claim 1, wherein The top cover (2) is also provided with a feeding mechanism for adding polyurethane production raw materials to the tank body (1), the feeding mechanism comprises: A feeding hopper (21) fixedly installed on the top of the top cover (2); A fixed ring (22) arranged in the feeding hopper (21), the fixed ring (22) is fixedly provided with two support rods (23), and the two support rods (23) are fixedly connected with the inner wall of the feeding hopper (21); A discharging auger (24) rotatably installed on the fixed ring (22), the discharging auger (24) is fixedly provided with a plurality of rotating plates (25), and the plurality of rotating plates (25) are annularly distributed; and A liquid injection pipe (26) fixedly installed on the top cover (2), the liquid injection pipe (26) extends below the top cover (2), and the liquid outlet of the liquid injection pipe (26) faces the rotating plate (25).

4. The mixing bowl of claim 1, wherein The bottom of the tank body (1) is fixedly provided with a discharge pipe, the discharge pipe is in communication with the tank body (1), and the discharge pipe is provided with a valve.

5. The mixer-agitator tank of claim 1 wherein, The mounting plate (3) is provided with a plurality of protective covers, and the plurality of bevel gears (10) are located in the plurality of protective covers respectively. The bottom of the tank body (1) is fixedly provided with a discharge pipe, the discharge pipe is in communication with the tank body (1), and the discharge pipe is provided with a valve.

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