Waterborne polyurethane reaction kettle stirring mechanism with temperature control performance

Abstract

The utility model provides a water-based polyurethane reaction kettle stirring mechanism with temperature control performance, which belongs to the technical field of polyurethane production, and comprises a reaction component, a bracket, a support table fixedly connected to the end part of the bracket, a kettle body fixedly connected to the middle of the support table, and a cover plate inserted at the upper end of the kettle body, the temperature adjusting assembly comprises an outer barrel arranged at the bottom of the kettle body in a sleeving mode, a liquid supply pipe fixedly connected to the side wall of the outer barrel, a heat preservation layer packaged on the inner wall of the outer barrel, and an electric heating pipe inserted into the outer barrel in a sealed mode. The reaction kettle disclosed by the utility model has the beneficial effects that the reaction component and the temperature adjusting component are matched for use, so that the reaction temperature in the kettle body can be accurately adjusted and controlled, the strict requirement of a waterborne polyurethane reaction on the temperature is met, the quality and the stability of a product are improved, materials are fully stirred, the reaction is more uniform, the reaction time is shortened, and the production efficiency is improved. And the production efficiency is improved, operators can conveniently maintain and clean the outer barrel, and the maintenance cost of the equipment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to polyurethane production technical field, concretely relates to a waterborne polyurethane reaction kettle stirring mechanism with temperature control. BACKGROUND

[0002] In the field of modern material science, waterborne polyurethane is widely used in many industries such as coatings, adhesives, leather processing and the like due to its outstanding characteristics such as environmental protection, wear resistance and strong adhesion. However, the synthesis process of waterborne polyurethane has very high requirements for the precise control of reaction conditions, especially reaction temperature and sufficient stirring of materials.

[0003] The conventional reaction kettle stirring mechanism often fails to achieve accurate regulation and control in temperature control, which cannot meet the stringent requirements of waterborne polyurethane synthesis on temperature stability. On the one hand, the lack of efficient temperature control means leads to large fluctuations in reaction temperature, which not only reduces product quality, but also causes unstable product performance, complex equipment maintenance, and the consumption of a large amount of manpower, material resources and time, further hindering the smooth progress of production. SUMMARY

[0004] The utility model aims at providing a waterborne polyurethane reaction kettle stirring mechanism with temperature control, which aims to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A waterborne polyurethane reaction kettle stirring mechanism with temperature control, comprising,

[0007] The reaction assembly comprises a support, a support table fixedly connected to the end of the support, a kettle body fixedly connected to the middle of the support table, and a cover plate inserted into the upper end of the kettle body, and the cover plate is provided with a feed inlet structure matched with the kettle body.

[0008] The temperature regulating assembly comprises an outer barrel sleeved on the bottom of the kettle body, a liquid supply pipe fixedly connected to the side wall of the outer barrel, a heat preservation layer encapsulated in the inner wall of the outer barrel, and an electric heating pipe sealingly inserted into the inner part of the outer barrel, and the inner part of the outer barrel is tightly combined with the outer side wall of the kettle body.

[0009] As a preferred scheme of the utility model, the reaction assembly further comprises a stirring motor fixedly connected to the middle of the cover plate, and a stirring rod fixedly connected to the output end of the stirring motor, and the end of the stirring rod runs in the inner part of the kettle body.

[0010] As a preferred scheme of the utility model, the reaction assembly further includes a material taking pipe sealingly inserted into the bottom of the kettle body, and a valve threadedly connected to the end of the material taking pipe, and a through hole communicated with the kettle body is formed in the upper end of the material taking pipe.

[0011] As a preferred scheme of the utility model, the temperature adjusting assembly further includes a sleeve fixedly connected to the bottom of the outer barrel, and the sleeve is sleeved outside the material taking pipe.

[0012] As a preferred scheme of the utility model, a cavity structure is formed in the inner part of the outer barrel, and the end of the liquid supply pipe is communicated with the cavity in the inner part of the outer barrel.

[0013] As a preferred scheme of the utility model, the temperature adjusting assembly further includes a guide rail fixedly connected to the side wall of the support, and the guide rail is slidingly inserted into the side wall of the support.

[0014] As a preferred scheme of the utility model, the temperature adjusting assembly further includes a lifting motor fixedly connected to the side wall of the bottom of the support, and a gear fixedly connected to the output end of the lifting motor, and the teeth on the side wall of the gear are engaged with the rack on the side wall of the guide rail.

[0015] Compared with the prior art, the utility model has the beneficial effects that: through the cooperation of the reaction assembly and the temperature adjusting assembly, the reaction temperature in the kettle body can be accurately controlled, the strict requirements of the waterborne polyurethane reaction on the temperature can be met, the quality and stability of the product can be improved, the material can be fully stirred, the reaction is more uniform, the reaction time is shortened, the production efficiency is improved, the outer barrel is convenient for the operator to maintain and clean, and the maintenance cost of the equipment is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0017] Figure 1 It is the overall structure schematic view of the utility model;

[0018] Figure 2 It is the front structure schematic view of the utility model;

[0019] Figure 3 It is the A-A section structure schematic view of the utility model;

[0020] Figure 4 It is the side structure schematic view of the utility model.

[0021] In the figure: 100, reaction assembly; 101, support; 102, support table; 103, kettle body; 104, cover plate; 105, stirring motor; 106, stirring rod; 107, material taking pipe; 108, valve; 200, temperature adjusting assembly; 201, outer barrel; 202, liquid supply pipe; 203, heat preservation layer; 204, electric heating pipe; 205, sleeve; 206, guide rail; 207, lifting motor; 208, gear. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0023] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0024] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0025] Embodiment

[0026] Reference Figures 1-4 For the embodiment of the present application, the embodiment provides a waterborne polyurethane reaction kettle stirring mechanism with temperature control, comprising,

[0027] The reaction assembly 100 comprises a support 101, a support table 102 fixedly connected to the end of the support 101, a kettle body 103 fixedly connected to the middle of the support table 102, and a cover plate 104 inserted into the upper end of the kettle body 103, and the cover plate 104 is provided with a feed inlet structure matched with the kettle body 103 on the top;

[0028] The temperature adjusting assembly 200 comprises an outer barrel 201 sleeved on the bottom of the kettle body 103, a liquid supply pipe 202 fixedly connected to the side wall of the outer barrel 201, a heat preservation layer 203 encapsulated in the inner wall of the outer barrel 201, and an electric heating pipe 204 sealingly inserted into the inner part of the outer barrel 201, and the inner part of the outer barrel 201 is tightly combined with the outer side wall of the kettle body 103.

[0029] The bracket 101 is used to provide stable support for other components. The end of the bracket 101 is firmly connected to the support table 102, and the kettle body 103 is installed at the center of the support table 102, which is used to carry out the reaction process of waterborne polyurethane. The top of the cover plate 104 is provided with a feeding port structure, which facilitates the feeding of raw materials. The temperature adjusting assembly 200 is responsible for accurately adjusting the reaction temperature in the kettle body 103, so as to ensure that the reaction is carried out under suitable temperature conditions. The side wall of the outer barrel 201 is fixedly connected to the liquid supply pipe 202, and cooling liquid or heating liquid can be supplied to the inner cavity of the outer barrel 201 through the liquid supply pipe 202 to realize the cooling or heating of the kettle body 103. The inner wall of the outer barrel 201 is packaged with a heat preservation layer 203 to reduce heat loss and improve the efficiency of temperature control. In the inner part of the outer barrel 201, the electric heating pipe 204 is sealed and inserted, and when heating is needed, the liquid in the outer barrel 201 can be heated through the electric heating pipe 204.

[0030] Specifically, the reaction assembly 100 further comprises a stirring motor 105 fixedly connected in the middle of the cover plate 104, and a stirring rod 106 fixedly connected to the output end of the stirring motor 105, and the end of the stirring rod 106 runs in the kettle body 103.

[0031] The output end of the stirring motor 105 is connected to the stirring rod 106, and when the stirring motor 105 is started, the stirring rod 106 rotates with it to fully stir the materials in the kettle body 103, ensuring uniform reaction.

[0032] Further, the reaction assembly 100 further comprises a material taking pipe 107 sealed and inserted at the bottom of the kettle body 103, and a valve 108 threadedly connected to the end of the material taking pipe 107, and a through hole is formed in the upper end of the material taking pipe 107 and communicated with the kettle body 103.

[0033] The end of the material taking pipe 107 is threadedly connected to the valve 108. A through hole is formed in the upper end of the material taking pipe 107 and communicated with the kettle body 103, which is used to take out the product in the kettle body 103 after the reaction is completed.

[0034] Further, the temperature adjusting assembly 200 further comprises a sleeve 205 fixedly connected to the bottom of the outer barrel 201, and the sleeve 205 is sleeved outside the material taking pipe 107.

[0035] The sleeve 205 is sleeved outside the material taking pipe 107 to further control the temperature around the material taking pipe 107 and prevent quality problems caused by temperature change during the material taking process.

[0036] Preferably, a cavity structure is formed in the inner part of the outer barrel 201, and the end of the liquid supply pipe 202 is communicated with the cavity in the inner part of the outer barrel 201.

[0037] The cooling liquid or heating liquid can be delivered to the internal cavity of the outer barrel 201 through the liquid supply pipe 202 to achieve the temperature reduction or increase of the kettle body 103.

[0038] It should be noted that the temperature adjusting assembly 200 further comprises a guide rail 206 fixedly connected to the side wall of the outer barrel 201, the guide rail 206 is slidingly inserted into the side wall of the support 101, the temperature adjusting assembly 200 further comprises a lifting motor 207 fixedly connected to the bottom side wall of the support 101, and a gear 208 fixedly connected to the output end of the lifting motor 207, the side wall teeth of the gear 208 are engaged with the side wall gear rack of the guide rail 206.

[0039] The lifting motor 207 is installed on the bottom side wall of the support 101, the output end of the lifting motor 207 is connected to the gear 208, and the side wall teeth of the gear 208 are engaged with the side wall gear rack of the guide rail 206. Through the forward and reverse rotation of the lifting motor 207, the lifting of the outer barrel 201 can be realized, which is convenient for maintenance and cleaning.

[0040] In use, the raw materials required for the waterborne polyurethane reaction are poured into the kettle body 103 through the feed port structure, the stirring motor 105 is started, and the stirring rod 106 stirs the material to promote the reaction. According to the needs of the reaction, cooling liquid or heating liquid is delivered to the outer barrel 201 through the liquid supply pipe 202 to achieve the temperature reduction or increase of the kettle body 103. At the same time, the electric heating tube 204 can be started to heat the liquid in the outer barrel 201 to meet the specific reaction temperature requirements. The existence of the heat preservation layer 203 reduces the heat loss and ensures the accuracy of temperature control. When the reaction is completed, the valve 108 is opened, and the product in the kettle body 103 is discharged through the material taking pipe 107. The sleeve pipe 205 controls the temperature around the material taking pipe 107 to ensure the quality stability of the material during the taking process. When the outer barrel 201 needs to be maintained or cleaned, the lifting motor 207 is started, and the outer barrel 201 is lifted through the engagement of the gear 208 and the guide rail 206, which is convenient for the operator to perform related operations.

[0041] In summary, through the synergistic effect of the liquid supply pipe 202, the electric heating tube 204 and the heat preservation layer 203, the reaction temperature in the kettle body 103 can be accurately controlled, which meets the strict requirements of the waterborne polyurethane reaction on temperature and improves the quality and stability of the product. The stirring motor 105 drives the stirring rod 106 to fully stir the material, which makes the reaction more uniform, shortens the reaction time and improves the production efficiency. The design of the material taking pipe 107 and the valve 108 facilitates the taking of the product after the reaction is completed, which improves the production convenience. The outer barrel 201 is lifted through the cooperation of the guide rail 206 and the gear 208, which is convenient for the operator to maintain and clean the outer barrel 201, and reduces the maintenance cost of the equipment.

[0042] It is important to note that the construction and arrangements of the application shown in the various exemplary embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications can be made to the embodiments without departing from the novel teachings and advantages of the subject matter described herein. For example, elements described as integrated in a single unit can be separated, elements described as separate can be integrated, and the position, number, shape, and arrangements of elements can be varied. Accordingly, all such modifications are intended to be included within the scope of the present inventive subject matter. The order or sequence of any process or method steps can be varied or re-sequenced without departing from the general nature of the claims. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present inventive subject matter. Accordingly, the present inventive subject matter is not limited to the particular embodiments described and illustrated herein, but extends to equivalents of which the foregoing describes are intended to cover.

[0043] Furthermore, in order to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those pertaining to the

[0044] It is understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts can inevitably lead to a number of substitutions, modifications, changes, and omissions of parts illustrated as having a specific configuration. Such are the natural consequences of research and development efforts, and

[0045] It should be noted that the above examples are intended to illustrate the technical solutions of the present application but not limit the present application, and although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, and all should be included in the scope of the claims of the present application.

Claims

1. A waterborne polyurethane reactor kettle stirring mechanism with temperature control, characterized in that: The utility model relates to a reaction kettle, which comprises a reaction assembly (100), a temperature control assembly (200) and a control assembly (300). The reaction assembly (100) comprises a support (101), a support table (102) fixedly connected to the end of the support (101), a kettle body (103) fixedly connected to the middle of the support table (102), and a cover plate (104) inserted into the upper end of the kettle body (103), wherein the top of the cover plate (104) is provided with a feed inlet structure matched with the kettle body (103). The temperature control assembly (200) comprises an outer barrel (201) sleeved on the bottom of the kettle body (103), a liquid supply pipe (202) fixedly connected to the side wall of the outer barrel (201), a heat preservation layer (203) encapsulated on the inner wall of the outer barrel (201), and an electric heating pipe (204) sealingly inserted into the inner part of the outer barrel (201), wherein the inner part of the outer barrel (201) is tightly combined with the outer side wall of the kettle body (103).

2. The temperature-controllable stirring mechanism for waterborne polyurethane reaction kettle according to claim 1, characterized in that: The reaction assembly (100) further comprises a stirring motor (105) fixedly connected to the middle of the cover plate (104), and a stirring rod (106) fixedly connected to the output end of the stirring motor (105), wherein the end of the stirring rod (106) is arranged to operate in the inner part of the kettle body (103).

3. The temperature-controllable stirring mechanism for waterborne polyurethane reaction kettle according to claim 2, characterized in that: The reaction assembly (100) further comprises a material taking pipe (107) sealingly inserted into the bottom of the kettle body (103), and a valve (108) threadedly connected to the end of the material taking pipe (107), wherein the upper end of the material taking pipe (107) is provided with a through hole in communication with the kettle body (103).

4. The temperature-controllable stirring mechanism for waterborne polyurethane reaction kettle according to claim 3, characterized in that: The temperature control assembly (200) further comprises a sleeve pipe (205) fixedly connected to the bottom of the outer barrel (201), wherein the sleeve pipe (205) is sleeved on the outer side of the material taking pipe (107).

5. The temperature-controllable stirring mechanism for waterborne polyurethane reactor according to claim 4, characterized in that: The inner part of the outer barrel (201) is provided with a cavity structure, and the end of the liquid supply pipe (202) is in communication with the cavity in the inner part of the outer barrel (201).

6. The temperature-controllable stirring mechanism for waterborne polyurethane reaction kettle according to claim 5, characterized in that: The temperature control assembly (200) further comprises a guide rail (206) fixedly connected to the side wall of the outer barrel (201), wherein the guide rail (206) is slidingly inserted into the side wall of the support (101).

7. The temperature-controllable stirring mechanism for waterborne polyurethane reactor according to claim 6, characterized in that: The temperature control assembly (200) further comprises a lifting motor (207) fixedly connected to the bottom side wall of the support (101), and a gear (208) fixedly connected to the output end of the lifting motor (207), wherein the side wall teeth of the gear (208) are engaged with the side wall rack of the guide rail (206).

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