Discharging device for polyurea production equipment

By designing a discharge device with heating, rotary discharge and sealing structure in the polyurea production equipment, the equipment blockage caused by polyurea curing is solved, and the stability and production efficiency of the equipment are improved.

CN222901027UActive Publication Date: 2025-05-27TIANJIN METRIO TECH CO LTD
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Patent Information

Application Number
CN202421834705.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-05-27
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

The discharge port of polyurea production equipment is prone to accumulation of too much cured polyurea, resulting in blockage of the equipment and affecting production efficiency.

Method used

A discharge device for polyurea production equipment is designed, including a heating device, a rotary discharge structure and a sealing structure to ensure that the polyurea maintains fluidity during the discharge process and prevents curing and clogging.

Benefits of technology

The temperature of the discharge pipeline is maintained through the heating device, and the rotating discharge structure is uniformly distributed. The sealing structure prevents material leakage, effectively prevents polyurea from curing and blocking, and improves equipment stability and production continuity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a discharging device for polyurea production equipment. The discharging device comprises a mounting structure, a protective pipeline, a discharging pipeline, a rotary discharging structure and a heating device, the mounting structure is detachably connected with a discharge port of the polyurea mixing reaction kettle body, the top of the protective pipeline is detachably connected with the mounting structure, the bottom of the protective pipeline is rotatably connected with the rotary discharge structure, and a sealing structure is arranged on the inner side of the top of the protective pipeline and used for sealing a gap between the mounting structure and the protective pipeline. According to the discharging device for the polyurea production equipment, the problem that the discharging opening of the polyurea production equipment is blocked due to the fact that too much solidified polyurea is easily accumulated at the discharging opening of the polyurea production equipment in the related technology is solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of polyurea production, and particularly relates to a discharging device for polyurea production equipment. Background Art

[0002] The mixing equipment for polyurea production is mainly used to mix isocyanate components and amine components in a certain proportion to form polyurea spraying materials. Such equipment usually has high-pressure mixing ability to ensure that the raw materials are fully mixed in a very short time, achieving the effects of rapid reaction and curing. The polyurea material will quickly cure after contacting the air. If the equipment pauses for too long or the temperature control is improper during use, it is easy to cure at the discharging port, and it takes time to clean the blockage. Due to the problem that the discharging port of polyurea production equipment in the related technology is prone to accumulate too much cured polyurea, resulting in blockage of the discharging port of polyurea production equipment, and then the equipment stops, affecting the overall production efficiency. Summary of the Invention

[0003] In view of this, the utility model aims to solve at least one of the related technical problems to a certain extent.

[0004] To achieve the above object, the technical solution of the utility model is realized as follows:

[0005] A discharging device for polyurea production equipment includes an installation structure, a protective pipeline, a discharging pipeline, a rotary discharging structure and a heating device;

[0006] The installation structure is detachably connected to the discharging port of the polyurea mixing reaction kettle body. The top of the protective pipeline is detachably connected to the installation structure. The bottom of the protective pipeline is rotatably connected to the rotary discharging structure. A sealing structure is arranged inside the top of the protective pipeline, and the sealing structure is used to seal the gap between the installation structure and the protective pipeline;

[0007] The heating device and the discharging pipeline are both arranged inside the protective pipeline. The heating device is used to heat the discharging pipeline. The top of the discharging pipeline is communicated with the installation structure. The bottom of the discharging pipeline is communicated with the rotary discharging structure. The discharging pipeline is detachably connected to the protective pipeline;

[0008] The rotary discharging structure includes a driving motor, a transmission structure, a diversion structure and a discharging structure. The top of the discharging structure is rotatably connected to the protective pipeline. The driving motor drives the discharging structure to rotate through the transmission structure. The diversion structure is arranged inside the discharging structure.

[0009] Furthermore, the installation structure includes a mounting plate, a convex sleeve, and a connecting pipe. The mounting plate is provided with a plurality of connecting ports arranged circumferentially and evenly. The convex sleeve is arranged at the axial center position of the mounting plate. The connecting pipe is connected to the middle of the convex sleeve, and the connecting pipe is threadedly connected to the protective pipe.

[0010] Furthermore, the sealing structure includes an annular sealing gasket and a first flared structure. The annular sealing gasket is arranged at the bottom of the connecting pipe, and the first flared structure is arranged at the upper part of the protective pipe. The first flared structure can cooperate with the annular sealing gasket.

[0011] Furthermore, the heating device includes a spiral heating coil and two fixing rings. The two fixing rings are symmetrically arranged at the upper and lower ends of the outer wall of the discharge pipe. The spiral heating coil is sleeved on the outer wall of the discharge pipe, and the fixing ring is detachably connected to the protective pipe.

[0012] Furthermore, the discharging structure includes a discharging sleeve and a second flared structure. The top of the discharging sleeve is provided with a flanging structure, and the flanging structure is rotatably connected to the bottom of the protective pipe. The second flared structure is arranged at the bottom of the discharge pipe. The guiding structure is arranged inside the discharging sleeve, and the transmission structure is connected to the discharging sleeve.

[0013] Furthermore, the guiding structure includes a plurality of spiral guiding grooves, and the plurality of spiral guiding grooves are arranged circumferentially and evenly on the inner wall of the discharging sleeve.

[0014] Furthermore, the transmission structure includes a synchronous belt and a toothed structure. The toothed structure is arranged on the outer wall of the discharging sleeve. One end of the synchronous belt is connected to the output end of the driving motor, and the other end of the synchronous belt is connected to the toothed structure.

[0015] Furthermore, two annular fixing seats are symmetrically arranged on the outer wall of the protective pipe, and each annular fixing seat is detachably connected to a corresponding fixing ring.

[0016] Furthermore, a plurality of rib plates are arranged on the outer wall of the protective pipe, and the plurality of rib plates are arranged circumferentially and evenly on the outer wall of the protective pipe.

[0017] Compared with the prior art, the discharging device for a polyurea production device of the present utility model has the following advantages:

[0018] 1. The heating device can keep the temperature in the discharge pipeline within a suitable range, preventing premature curing of the polyurea during the discharging process. It ensures that the polyurea maintains good fluidity before spraying, thereby improving the spraying quality and efficiency. By heating the discharge pipeline, the difference in material fluidity caused by uneven temperature can be avoided, ensuring uniform discharge of the polyurea. This is crucial for maintaining the consistency of product quality. The heating device can effectively prevent the polyurea from curing and accumulating on the inner wall of the discharge pipeline or at the discharge port, thereby reducing the risk of blockage and enhancing the operation stability and production continuity of the equipment.

[0019] 2. The rotating discharge structure makes the polyurea in the discharge port evenly distributed through continuous or timed rotation, preventing the polyurea from curing or depositing in the discharge port and avoiding blockage caused by the accumulation of cured substances. The rotating motion can make the discharge more uniform, ensuring that the polyurea maintains consistent fluidity throughout the discharging process, thereby improving the spraying effect and product quality. The rotating discharge structure can adjust the rotation speed and frequency according to needs to adapt to polyurea materials with different viscosities and curing times, enhancing the adaptability and flexibility of the equipment.

[0020] 3. The sealing structure can effectively prevent the leakage of polyurea raw materials from the gap between the installation structure and the protective pipeline, ensuring the integrity of the materials and the cleanliness of the equipment during the production process. The sealing structure can ensure the stable pressure inside the discharge device, preventing uneven discharge or imbalance of the mixing ratio caused by pressure fluctuations, thereby improving the product quality. And the sealing structure can prevent external air and impurities from entering the equipment, avoiding material contamination and chemical reactions, and ensuring the safety and cleanliness of the production environment.

[0021] 4. The installation structure is detachably connected to the protective pipeline, enabling the installation structure and the protective pipeline to be easily disassembled when maintenance, cleaning, or replacement is required. Polyurea residues can be quickly cleaned, reducing the downtime of the equipment and improving production efficiency. Moreover, it is more flexible and can quickly replace the installation structure and the protective pipeline with different specifications or materials according to different production requirements or material characteristics to adapt to diverse production tasks. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings forming a part of this utility model are used to provide a further understanding of this utility model. The schematic embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation to this utility model. In the drawings:

[0023] Figure 1 is a schematic diagram of a discharge device for a polyurea production equipment according to an embodiment of this utility model;

[0024] Figure 2 is a schematic diagram of a first flared structure according to an embodiment of this utility model;

[0025] Figure 3 Schematic diagram of the position structure of the discharge pipeline, connecting pipeline and discharge structure according to the embodiment of the present invention;

[0026] Figure 4 Schematic diagram of the installation structure according to the embodiment of the present invention;

[0027] Figure 5 Schematic diagram of the heating device structure according to the embodiment of the present invention;

[0028] Figure 6 Schematic diagram of the discharge structure according to the embodiment of the present invention.

[0029] Explanation of reference numerals:

[0030] 101, mounting plate; 102, convex sleeve; 103, connecting pipeline; 104, annular sealing gasket; 201, protective pipeline; 202, annular fixing seat; 203, first flared structure; 301, rib plate; 401, discharge sleeve; 402, second flared structure; 403, tooth-shaped structure; 404, flanging structure; 501, spiral heating coil; 502, fixing ring; 503, discharge pipeline; 601, flow guiding structure. Detailed implementation manners

[0031] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments may be combined with each other.

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise stated, the meaning of "a plurality" is two or more.

[0033] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0034] The present utility model will be described in detail below with reference to the drawings and in conjunction with embodiments.

[0035] A discharging device for polyurea production equipment, as Figure 1 shown, includes an installation structure, a protective pipe 201, a discharging pipe 503, a rotary discharging structure, and a heating device; the installation structure is detachably connected to the discharging port of the polyurea mixing reaction kettle body, the top of the protective pipe 201 is detachably connected to the installation structure, the bottom of the protective pipe 201 is rotatably connected to the rotary discharging structure, and a sealing structure is provided inside the top of the protective pipe 201, and the sealing structure is used to seal the gap between the installation structure and the protective pipe 201;

[0036] The heating device and the discharging pipe 503 are both arranged inside the protective pipe 201, the heating device is used to heat the discharging pipe 503, the top of the discharging pipe 503 is communicated with the installation structure, the bottom of the discharging pipe 503 is communicated with the rotary discharging structure, and the discharging pipe 503 is detachably connected to the protective pipe 201;

[0037] The rotary discharging structure includes a driving motor, a transmission structure, a guiding structure 601, and a discharging structure. The top of the discharging structure is rotatably connected to the protective pipe 201, the driving motor drives the discharging structure to rotate through the transmission structure, and the guiding structure 601 is arranged inside the discharging structure. In this embodiment, the transmission structure includes a synchronous belt and a toothed structure 403, the toothed structure 403 is arranged on the outer wall of the discharging sleeve 401, one end of the synchronous belt is connected to the output end of the driving motor, and the other end of the synchronous belt is connected to the toothed structure 403. The rotary discharging structure makes the polyurea inside the discharging port evenly distributed by continuous or timed rotation, prevents the polyurea from curing or depositing inside the discharging port, and avoids blockage caused by the accumulation of cured substances. The rotary motion can make the discharging more uniform, ensure that the polyurea maintains consistent fluidity during the entire discharging process, thereby improving the spraying effect and product quality. The rotary discharging structure can adjust the rotation speed and frequency according to needs, adapt to polyurea materials with different viscosities and curing times, and enhance the adaptability and flexibility of the equipment.

[0038] As Figure 4As shown in the figure, the installation structure includes an installation plate 101, a convex sleeve 102 and a connecting pipe 103. A plurality of connecting ports are arranged evenly in a circle on the installation plate 101. The convex sleeve 102 is arranged at the axial center position of the installation plate 101. The connecting pipe 103 is connected to the middle of the convex sleeve 102. The connecting pipe 103 is threadedly connected to the protective pipe 201.

[0039] As Figure 2 shown in the figure, the sealing structure includes an annular sealing gasket and a first flaring structure 203. The annular sealing gasket is arranged at the bottom of the connecting pipe 103. The first flaring structure 203 is arranged at the upper part of the protective pipe 201. The first flaring structure 203 can cooperate with the annular sealing gasket.

[0040] As Figure 5 shown in the figure, the heating device includes a spiral heating coil 501 and two fixing rings 502. The two fixing rings 502 are symmetrically arranged at the upper and lower ends of the outer wall of the discharge pipe 503. The spiral heating coil 501 is sleeved on the outer wall of the discharge pipe 503. The fixing ring 502 is detachably connected to the protective pipe 201. Two annular fixing seats 202 are symmetrically arranged on the outer wall of the protective pipe 201. Each annular fixing seat 202 corresponds to a fixing ring 502 and is connected by a plurality of bolts. Four rib plates 301 are arranged on the outer wall of the protective pipe 201. The four rib plates 301 are arranged evenly in a circle on the outer wall of the protective pipe 201. The rib plates 301 can also be used as a screwing structure. The heating device can keep the temperature in the discharge pipe 503 within a suitable range, prevent the premature curing of the polyurea during the discharging process, ensure that the polyurea maintains good fluidity before spraying, thereby improving the spraying quality and efficiency. By heating the discharge pipe 503, the difference in material fluidity caused by uneven temperature can be avoided, and the uniform discharging of the polyurea can be ensured, which is crucial for maintaining the consistency of product quality. The heating device can effectively prevent the curing and accumulation of the polyurea on the inner wall or the discharge port of the discharge pipe 503, thereby reducing the risk of blockage and improving the operation stability and production continuity of the equipment.

[0041] As Figure 6 shown in the figure, the discharging structure includes a discharging sleeve 401 and a second flaring structure 402. A flanging structure 404 is arranged at the top of the discharging sleeve 401. The flanging structure 404 is rotatably connected to the bottom of the protective pipe 201. The second flaring structure 402 is arranged at the bottom of the discharge pipe 503. A guiding structure 601 is arranged inside the discharging sleeve 401. The transmission structure is connected to the discharging sleeve 401. The guiding structure 601 includes a plurality of spiral guiding grooves. The plurality of spiral guiding grooves are arranged evenly in a circle on the inner wall of the discharging sleeve 401, which can guide the uniform flow of the polyurea during rotation and prevent blockage.

[0042] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A discharging device for a polyurea production device, characterized in that: It comprises a mounting structure, a protective pipe (201), a discharge pipe (503), a rotating discharge structure and a heating device; The mounting structure is detachably connected to the discharge port of the polyurea mixing reaction kettle body, the top of the protective pipe (201) is detachably connected to the mounting structure, the bottom of the protective pipe (201) is rotatably connected to the rotating discharge structure, and a sealing structure is provided on the inner side of the top of the protective pipe (201), and the sealing structure is used to seal the gap between the mounting structure and the protective pipe (201); The heating device and the discharge pipe (503) are both arranged on the inner side of the protective pipe (201), the heating device is used to heat the discharge pipe (503), the top of the discharge pipe (503) is connected to the mounting structure, the bottom of the discharge pipe (503) is connected to the rotating discharge structure, and the discharge pipe (503) is detachably connected to the protective pipe (201); The rotating discharging structure comprises a driving motor, a transmission structure, a flow guiding structure (601) and a discharging structure. The top of the discharging structure is rotatably connected to the protective pipe (201). The driving motor drives the discharging structure to rotate through the transmission structure. The flow guiding structure (601) is arranged on the inner side of the discharging structure.

2. A discharging device for polyurea production equipment according to claim 1, characterized in that: The mounting structure comprises a mounting plate (101), a raised sleeve (102) and a connecting pipe (103); the mounting plate (101) is provided with a plurality of connecting ports evenly arranged on a circumference; the raised sleeve (102) is arranged at an axial position of the mounting plate (101); the connecting pipe (103) is connected to a middle portion of the raised sleeve (102); and the connecting pipe (103) is threadedly connected to the protective pipe (201).

3. A discharging device for polyurea production equipment according to claim 2, characterized in that: The sealing structure comprises an annular sealing rubber pad and a first flaring structure (203); the annular sealing rubber pad is arranged at the bottom of the connecting pipe (103); the first flaring structure (203) is arranged at the upper part of the protective pipe (201); and the first flaring structure (203) can cooperate with the annular sealing rubber pad.

4. A discharging device for a polyurea production device according to any one of claims 1 to 3, characterized in that: The heating device comprises a spiral heating ring (501) and two fixing rings (502), wherein the two fixing rings (502) are symmetrically arranged at the upper and lower ends of the outer wall of the discharge pipe (503), the spiral heating ring (501) is sleeved on the outer wall of the discharge pipe (503), and the fixing ring (502) is detachably connected to the protective pipe (201).

5. A discharging device for polyurea production equipment according to claim 4, characterized in that: The discharge structure comprises a discharge sleeve (401) and a second flaring structure (402); a curved edge structure (404) is provided on the top of the discharge sleeve (401); the curved edge structure (404) is rotatably connected to the bottom of the protective pipe (201); the second flaring structure (402) is arranged at the bottom of the discharge pipe (503); the guide structure (601) is arranged on the inner side of the discharge sleeve (401); and the transmission structure is connected to the discharge sleeve (401).

6. A discharging device for polyurea production equipment according to claim 5, characterized in that: The flow guide structure (601) comprises a plurality of spiral flow guide grooves, and the plurality of spiral flow guide grooves are evenly arranged in a circumference on the inner wall of the discharge sleeve (401).

7. The discharging device for polyurea production equipment according to claim 5, characterized in that: The transmission structure comprises a synchronous belt and a toothed structure (403), wherein the toothed structure (403) is arranged on the outer wall of the discharge sleeve (401), one end of the synchronous belt is connected to the output end of the drive motor, and the other end of the synchronous belt is connected to the toothed structure (403).

8. The discharging device for polyurea production equipment according to claim 4, characterized in that: Two annular fixing seats (202) are symmetrically arranged on the outer wall of the protection pipe (201), and each annular fixing seat (202) corresponds to a fixing ring (502) and is detachably connected.

9. The discharging device for polyurea production equipment according to claim 4, characterized in that: The outer wall of the protection pipe (201) is provided with a plurality of rib plates (301), and the plurality of rib plates (301) are evenly arranged in a circumference on the outer wall of the protection pipe (201).