Long chain copolymer nylon resin synthesis device
By setting a sealed tank and a sealed joint on the outside of the drive motor and performing multi-layer sealing at the connection, the leakage problem at the connection between the stirring shaft and the motor is solved, and the normal operation of the drive motor and the stability of temperature control are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ORINKO HIGH PERFORMANCE MATERIALS TECHNOLOGY CO LTD
- Filing Date
- 2025-08-06
- Publication Date
- 2026-07-07
AI Technical Summary
The existing connections between the stirring shaft, synthesis tank, and drive motor are not secure, which can easily lead to leaks, heat loss, and affect temperature control.
A sealed tank is installed outside the drive motor, which is connected to the stirring shaft by a sealing joint. The connection is sealed with an inner sealing ring, a lower sealing ring, an upper sealing ring, and other components for secondary sealing. Sealing grease is filled in, and the cooling pipe and cooling box are combined to isolate heat and form a heat-insulating space.
This effectively prevents the drive motor from overheating, ensures the motor operates normally, and improves the stability and efficiency of temperature control.
Smart Images

Figure CN224462760U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of resin synthesis technology, specifically relating to a device for synthesizing long-chain copolymer nylon resin. Background Technology
[0002] Long-chain copolymer nylon resin is a type of nylon material modified by copolymerization with long-chain diacid or diamine monomers. It has unique properties such as flexibility, low-temperature resistance, and chemical resistance, and is widely used in high-end packaging, automobiles, electronics and other fields.
[0003] In the resin synthesis process, raw materials need to be mixed and heated. This process mostly takes place inside the synthesis tank. Mixing the raw materials requires a stirring shaft and a drive motor to rotate it. The connection between the stirring shaft, the synthesis tank, and the drive motor is a major point of leakage. Existing connections between the stirring shaft, the synthesis tank, and the drive motor are not secure and prone to leakage. This leads to heat loss, increases heat input, and causes numerous difficulties in temperature control within the synthesis tank. Therefore, this application proposes a long-chain copolymer nylon resin synthesis apparatus. Utility Model Content
[0004] The purpose of this invention is to provide a long-chain copolymer nylon resin synthesis device to solve the problem mentioned in the background art where the connection between the stirring shaft, synthesis tank, and drive motor is not firm and leakage is easy to occur. This leads to heat loss, increases heat input, and causes many inconveniences to the temperature control inside the synthesis tank.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a long-chain copolymer nylon resin synthesis device, comprising a synthesis tank, a heating device, and a stirring shaft. The heating device is disposed inside the synthesis tank, and the stirring shaft is inserted into the synthesis tank. A drive motor is disposed inside the synthesis tank, and the output shaft of the drive motor is connected to the stirring shaft.
[0006] A sealed container is provided on the outside of the drive motor, and a cavity for heat insulation is provided inside the sealed container. The drive motor is located inside the sealed container, and a sealing joint is provided at the bottom of the sealed container, which is sleeved on the outside of the stirring shaft.
[0007] The sealing joint is provided with an inner sealing ring, a lower sealing ring, and an upper sealing ring. The inner sealing ring is sleeved on the outside of the stirring shaft, and a lower sealing groove is provided inside the inner sealing ring. The lower sealing ring is sleeved into the lower sealing groove.
[0008] The sealing joint is inserted into the sealing tank, and an upper sealing groove is provided at the rotating shaft, with the upper sealing ring fitted inside the upper sealing groove;
[0009] The sealing joint has a sealing cavity inside.
[0010] Preferably, the synthesis tank includes an upper tank, a middle tank, and a lower tank. The upper tank and the middle tank are fixedly connected by an upper fastening bolt, and the middle tank and the lower tank are fixedly connected by a lower fastening bolt.
[0011] Preferably, both the upper and lower fastening bolts are arranged in a circumferential array around the center line of the synthesis tank.
[0012] Preferably, the stirring shaft is provided with spirally distributed stirring blades on its outer side, and the stirring shaft is located inside the inner tank.
[0013] Preferably, the output shaft of the drive motor and the stirring shaft can be connected by a coupling.
[0014] Preferably, the sealing joint is provided with a lower mounting groove, into which the lower sealing ring is inserted.
[0015] Preferably, the sealing joint is provided with an upper mounting groove, into which the upper sealing ring is inserted.
[0016] Preferably, the sealing cavity is filled with sealing grease, which may be a silicone oil-based sealing grease.
[0017] Preferably, the sealed container is provided with cooling pipes, which are spirally distributed inside the sealed container. The synthesis container is provided with a cooling box inside, which is equipped with a power pump and a temperature control device. Both ends of the cooling pipes are inserted into the cooling box, and one of the cooling pipes is connected to the power pump.
[0018] Preferably, a pressure detector for detecting the pressure in the inner tank is inserted into the synthesis tank.
[0019] Beneficial effects:
[0020] This utility model provides a long-chain copolymer nylon resin synthesis device. By setting a sealed tank outside the drive motor, the heat outside the drive motor is isolated, preventing the drive motor from overheating due to the temperature of the inner tank. At the same time, a sealing joint is set at the sealed tank, which is connected to the stirring shaft. The connection between the sealing joint and the stirring shaft is provided with components such as an inner sealing ring, a lower sealing ring, and an upper sealing ring. The upper and lower sealing rings provide secondary sealing at the connection between the sealing joint, the stirring shaft, and the sealed tank. In addition, the sealing cavity between the upper and lower sealing rings is filled with sealing grease to isolate it from the outside, creating a space for the drive motor that is not affected by the temperature inside the synthesis tank, allowing the drive motor to operate normally. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the structure of the medium-long chain copolymer nylon resin synthesis device of this utility model;
[0022] Figure 2 This is a schematic diagram of the internal structure of the medium-long chain copolymer nylon resin synthesis device of this utility model;
[0023] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A;
[0024] Figure 4 This utility model Figure 2 A magnified structural diagram at point B in the middle.
[0025] Explanation of reference numerals in the attached figures:
[0026] 1. Synthesis tank; 2. Inner tank; 3. Heating device; 4. Stirring shaft; 5. Drive motor; 6. Sealed tank; 7. Sealing joint; 8. Inner sealing ring; 9. Lower sealing ring; 10. Upper sealing ring; 11. Sealing cavity; 12. Cooling pipe; 13. Cooling box; 14. Temperature control device; 15. Air pressure detector. Detailed Implementation
[0027] The specific embodiments of this utility model are described in detail below, but it should be understood that the protection scope of this utility model is not limited to the specific embodiments.
[0028] like Figures 1-4 As shown in the figure, the present invention provides a long-chain copolymer nylon resin synthesis device, including a synthesis tank 1, a heating device 3, and a stirring shaft 4. The heating device 3 is disposed inside the synthesis tank 1, and the stirring shaft 4 is inserted into the synthesis tank 1. It should be noted that the synthesis tank 1 includes an upper tank, a middle tank, and a lower tank. The upper tank and the middle tank are fixedly connected by an upper fastening bolt, and the middle tank and the lower tank are fixedly connected by a lower fastening bolt. The upper fastening bolt and the lower fastening bolt are both distributed in a circumferential array around the center line of the synthesis tank 1.
[0029] It should be noted that the stirring shaft 4 is provided with spirally distributed stirring blades on the outside, and the stirring shaft 4 is located inside the inner tank 2.
[0030] In order to drive the stirring shaft 4 to rotate, a drive motor 5 is installed in the synthesis tank 1. The output shaft of the drive motor 5 is connected to the stirring shaft 4. Specifically, the output shaft of the drive motor 5 and the stirring shaft 4 can be connected by a coupling.
[0031] In order to seal the drive motor 5 and avoid the temperature influence between the drive motor 5 and the synthesis tank 1, a sealing tank 6 is provided on the outside of the drive motor 5. The sealing tank 6 is made of heat-insulating rock wool board material and has a cavity for heat insulation. The drive motor 5 is located inside the sealing tank 6. A sealing joint 7 is provided at the bottom of the sealing tank 6 and is sleeved on the outside of the stirring shaft 4.
[0032] In order to seal the connection between the sealing joint 7 and the stirring shaft 4, an inner sealing ring 8, a lower sealing ring 9, and an upper sealing ring 10 are provided at the sealing joint 7. The inner sealing ring 8 is sleeved on the outside of the stirring shaft 4. A lower sealing groove is provided inside the inner sealing ring 8. The lower sealing ring 9 is sleeved into the lower sealing groove. A lower mounting groove is provided inside the sealing joint 7. The lower sealing ring 9 is inserted into the lower mounting groove.
[0033] It should be noted that the sealing joint 7 is inserted into the sealing tank 6, and an upper sealing groove is provided at the rotating shaft. The upper sealing ring 10 is fitted into the upper sealing groove. An upper mounting groove is provided inside the sealing joint 7, and the upper sealing ring 10 is inserted into the upper mounting groove.
[0034] It should be mentioned that the sealing joint 7 is provided with a sealing cavity 11, which is filled with sealing grease, specifically silicone oil-based sealing grease.
[0035] By setting a sealing tank 6 on the outside of the drive motor 5, the heat outside the drive motor 5 is isolated, preventing the drive motor 5 from overheating due to the temperature of the inner tank 2. At the same time, a sealing joint 7 is set at the sealing tank 6, which is connected to the stirring shaft 4. The connection between the sealing joint 7 and the stirring shaft 4 is provided with components such as an inner sealing ring 8, a lower sealing ring 9, and an upper sealing ring 10. The connection between the sealing joint 7, the stirring shaft 4, and the sealing tank 6 is sealed by the upper sealing ring 10, the lower sealing ring 9, etc. At the same time, the sealing cavity 11 between the upper sealing ring 10 and the lower sealing ring 9 is filled with sealing grease to isolate it from the outside, creating a space for the drive motor 5 that is not affected by the temperature inside the synthesis tank 1, allowing the drive motor 5 to work normally.
[0036] To reduce the temperature of the drive motor 5, a cooling pipe 12 is installed inside the sealed tank 6. The cooling pipe 12 is spirally distributed inside the sealed tank 6. A cooling box 13 is installed inside the synthesis tank 1. A power pump and a temperature control device 14 are installed inside the cooling box 13. Both ends of the cooling pipe 12 are inserted into the cooling box 13. One of the cooling pipes 12 is connected to the power pump. The temperature control device 14 is connected to the coolant in the cooling box 13. The temperature control device 14 is used to control the temperature of the coolant in the cooling box 13. A corresponding filter assembly can be installed to filter impurities in the coolant. A pressure detector 15 is inserted inside the synthesis tank 1 to detect the pressure in the inner tank 2.
[0037] The power pump can drive the coolant to flow along the cooling pipe 12, and the cooling pipe 12 can remove the heat generated when the drive motor 5 is working.
[0038] In summary, this utility model provides a long-chain copolymer nylon resin synthesis device. By setting a sealed tank 6 outside the drive motor 5, the heat outside the drive motor 5 is isolated, preventing the drive motor 5 from overheating due to the temperature of the inner tank 2. At the same time, a sealing joint 7 is set at the sealed tank 6, which is connected to the stirring shaft 4. The connection between the sealing joint 7 and the stirring shaft 4 is provided with components such as an inner sealing ring 8, a lower sealing ring 9, and an upper sealing ring 10. The connection between the sealing joint 7, the stirring shaft 4, and the sealed tank 6 is sealed twice by the upper sealing ring 10 and the lower sealing ring 9. Meanwhile, the sealing cavity 11 between the upper sealing ring 10 and the lower sealing ring 9 is filled with sealing grease to isolate it from the outside, creating a space for the drive motor 5 that is not affected by the temperature inside the synthesis tank 1, allowing the drive motor 5 to work normally.
[0039] The above-disclosed embodiments are only a few specific examples of the present utility model. However, the embodiments of the present utility model are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present utility model.
Claims
1. A long-chain copolymer nylon resin synthesis apparatus, comprising a synthesis tank (1), a heating device (3), and a stirring shaft (4), characterized in that, The heating device (3) is located inside the synthesis tank (1), the stirring shaft (4) is inserted into the synthesis tank (1), and a drive motor (5) is installed inside the synthesis tank (1). The output shaft of the drive motor (5) is connected to the stirring shaft (4). A sealed container (6) is provided on the outside of the drive motor (5), and a cavity for heat insulation is provided inside the sealed container (6). The drive motor (5) is located inside the sealed container (6), and a sealing joint (7) is provided at the bottom of the sealed container (6). The sealing joint (7) is sleeved on the outside of the stirring shaft (4). The sealing joint (7) is provided with an inner sealing ring (8), a lower sealing ring (9), and an upper sealing ring (10). The inner sealing ring (8) is sleeved on the outside of the stirring shaft (4). A lower sealing groove is provided inside the inner sealing ring (8). The lower sealing ring (9) is sleeved into the lower sealing groove. The sealing joint (7) is inserted into the sealing tank (6), and an upper sealing groove is provided at the rotating shaft, with the upper sealing ring (10) fitted inside the upper sealing groove; The sealing joint (7) is provided with a sealing cavity (11).
2. The apparatus for synthesizing long-chain copolymer nylon resin as described in claim 1, characterized in that, The synthesis tank (1) includes an upper tank, a middle tank, and a lower tank. The upper tank and the middle tank are fixedly connected by an upper fastening bolt, and the middle tank and the lower tank are fixedly connected by a lower fastening bolt.
3. The apparatus for synthesizing long-chain copolymer nylon resin as described in claim 2, characterized in that, Both the upper and lower fastening bolts are arranged in a circular array around the center line of the composite tank (1).
4. The apparatus for synthesizing long-chain copolymer nylon resin as described in claim 1, characterized in that, The stirring shaft (4) is provided with spirally distributed stirring blades on the outside, and the stirring shaft (4) is located inside the inner tank (2).
5. The apparatus for synthesizing long-chain copolymer nylon resin as described in claim 1, characterized in that, The output shaft of the drive motor (5) and the stirring shaft (4) can be connected by a coupling.
6. The apparatus for synthesizing long-chain copolymer nylon resin as described in claim 1, characterized in that, The sealing joint (7) is provided with a lower mounting groove, and the lower sealing ring (9) is inserted into the lower mounting groove.
7. The apparatus for synthesizing long-chain copolymer nylon resin as described in claim 6, characterized in that, The sealing joint (7) is provided with an upper mounting groove, and the upper sealing ring (10) is inserted into the upper mounting groove.
8. The apparatus for synthesizing long-chain copolymer nylon resin as described in claim 1, characterized in that, The sealing cavity (11) is filled with sealing grease, which can be silicone oil-based sealing grease.
9. The apparatus for synthesizing long-chain copolymer nylon resin as described in claim 1, characterized in that, The sealed container (6) is provided with a cooling pipe (12), which is spirally distributed on the inner side of the sealed container (6). The synthesis container (1) is provided with a cooling box (13) inside. The cooling box (13) is provided with a power pump and a temperature control device (14). Both ends of the cooling pipe (12) are inserted into the cooling box (13), and one of the cooling pipes (12) is connected to the power pump.
10. The apparatus for synthesizing long-chain copolymer nylon resin as described in claim 1, characterized in that, A pressure detector (15) for detecting the pressure in the inner tank (2) is inserted into the synthesis tank (1).