A PUR reactive hot melt adhesive reaction stirring device

Abstract

The utility model relates to the technical field of PUR hot melt adhesive, and discloses a PUR reactive hot melt adhesive reaction stirring device, comprising a stirring barrel, a sealing groove is provided on the top of the stirring barrel, a heat preservation barrel is arranged on the surface of the stirring barrel, supporting legs are fixedly connected around the bottom of the heat preservation barrel, a return pipe is fixedly connected to the left side of the bottom of the heat preservation barrel, a second water pump is arranged on the surface of the return pipe, a heating barrel is fixedly connected to the upper left end of the return pipe, a heating rod is arranged on the top of the inner side of the heating barrel, a water pump is fixedly connected to the middle part of the inner side of the heating barrel, a first water pump is arranged on the upper side of the water pump, a sealing plug is fixedly connected to the right side surface of the water pump, and the heat preservation barrel, the stirring barrel and the like are arranged for use in combination, the heat preservation barrel can be filled with hot water, and the hot water can then completely wrap the surface of the stirring barrel, thereby heating the stirring barrel in all directions, ensuring the constant temperature in the stirring barrel, and improving the quality of the product.

Description

Technical Field

[0001] The utility model relates to the technical field of PUR hot melt adhesive, in particular to a PUR reactive hot melt adhesive reaction stirring device. Background Art

[0002] Environmentally friendly adhesives are gradually becoming the development trend of adhesives in the future due to their advantages such as being non-toxic, harmless, pollution-free and easy to use. Reactive polyurethane hot melt adhesive (PUR), as a high-performance environmentally friendly adhesive, meets the needs of increasing attention to the environment at home and abroad.

[0003] The existing PUR reactive hot melt adhesive reaction stirring device usually has a heating tube inside the box for heating. Due to the large capacity of the box, the heating is slow and the temperature inside the box is not constant, which easily affects the quality of the polyurethane hot melt adhesive product. It is also inconvenient to open the cover on the box to check the inside of the box, which is not convenient for staff to use. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a PUR reactive hot melt adhesive reaction stirring device to solve the problems that the existing PUR reactive hot melt adhesive reaction stirring device mentioned in the above background technology usually has a heating pipe arranged inside the box for heating. Due to the large capacity inside the box, the heating is slow, and the temperature inside the box is not constant, which easily affects the quality of the polyurethane hot melt adhesive product. In addition, it is inconvenient to open the cover on the box to inspect the inside of the box, which is inconvenient for staff to use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PUR reactive hot melt adhesive reaction stirring device, comprising a stirring barrel, a sealing groove is provided on the top of the stirring barrel, a sealing ring is clamped inside the sealing groove, a barrel cover is fixedly connected to the top of the sealing ring, a servo motor is fixedly connected to the top of the barrel cover, a rotating shaft is fixedly connected to the output end of the servo motor, a stirring paddle is fixedly connected to the surface of the rotating shaft, a discharge valve is provided at the bottom of the stirring barrel, an insulation barrel is provided on the surface of the stirring barrel, a sealing hole is provided on the left side of the top of the insulation barrel, supporting legs are fixedly connected around the bottom of the insulation barrel, a return pipe is fixedly connected to the left side of the bottom of the insulation barrel, a second water pump is provided on the surface of the return pipe, a heating barrel is fixedly connected to the upper left end of the return pipe, a heating rod is provided on the inner top of the heating barrel, a pumping pipe is fixedly connected to the middle inner side of the heating barrel, a first water pump is provided on the upper side of the pumping pipe, and a sealing plug is fixedly connected to the right surface of the pumping pipe.

[0006] Preferably, the diameter of the sealing plug is the same as the diameter of the inner wall of the sealing hole, and the sealing plug fits tightly against the inner wall of the sealing hole.

[0007] Preferably, the shape and size of the sealing ring are the same as those of the sealing groove, and the sealing ring fits tightly against the inner wall of the sealing groove.

[0008] By adopting the above technical solution, a sealing ring, a sealing groove, etc. are provided in conjunction with a barrel cover, and the barrel cover is inserted into the sealing groove through the sealing ring, thereby sealing the gap between the barrel cover and the mixing barrel, thereby preventing gas leakage in the mixing barrel and facilitating use by staff.

[0009] Preferably, there are a plurality of stirring paddles, and the plurality of stirring paddles are evenly distributed on the surface of the rotating shaft in a ring array, and the spacings between the plurality of stirring paddles are the same.

[0010] Preferably, the diameter of the heat-insulating barrel is larger than the diameter of the mixing barrel, and the heat-insulating barrel covers the entire mixing barrel.

[0011] By adopting the above technical solution, an insulation barrel, a mixing barrel, etc. are set up for use together. The insulation barrel can be filled with hot water, and the hot water can then completely cover the surface of the mixing barrel, thereby heating the mixing barrel in all directions, ensuring a constant temperature in the mixing barrel and improving product quality.

[0012] Preferably, the discharge valve passes through the bottom wall of the insulation barrel and extends to the outside of the bottom of the insulation barrel.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The PUR reactive hot melt adhesive reaction stirring device is used in conjunction with an insulation barrel, a stirring barrel, etc. The insulation barrel can be filled with hot water, and the hot water can then completely wrap the surface of the stirring barrel, thereby heating the stirring barrel in all directions, ensuring a constant temperature in the stirring barrel and improving product quality.

[0015] 2. The PUR reactive hot melt adhesive reaction stirring device is used in conjunction with a barrel cover, a sealing ring, a rotating shaft, etc. The staff can lift the barrel cover upwards and then drive the stirring paddle out of the mixing barrel through the rotating shaft, thereby exposing the inside of the mixing barrel to the outside world. At this time, the staff can clean the inside of the mixing barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the mixing barrel of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the insulation barrel of the utility model;

[0019] Figure 4 This is a schematic diagram of the heating barrel structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the barrel cover structure of the utility model.

[0021] In the figure: 1. mixing barrel; 2. insulation barrel; 3. support leg; 4. discharge valve; 5. sealing groove; 6. barrel cover; 7. sealing ring; 8. rotating shaft; 9. stirring paddle; 10. servo motor; 11. return pipe; 12. second water pump; 13. heating barrel; 14. heating rod; 15. first water pump; 16. suction pipe; 17. sealing plug; 18. sealing hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1:

[0024] Please refer to Figure 1-4 A PUR reactive hot melt adhesive reaction stirring device comprises a stirring barrel 1, a sealing groove 5 is provided on the top of the stirring barrel 1, a sealing ring 7 is clamped inside the sealing groove 5, a barrel cover 6 is fixedly connected to the top of the sealing ring 7, a servo motor 10 is fixedly connected to the top of the barrel cover 6, a rotating shaft 8 is fixedly connected to the output end of the servo motor 10, a stirring paddle 9 is fixedly connected to the surface of the rotating shaft 8, the number of the stirring paddles 9 is several, the several stirring paddles 9 are evenly distributed on the surface of the rotating shaft 8 in a ring array, and the spacing between the several stirring paddles 9 is the same, and a discharge valve 4 is provided at the bottom of the stirring barrel 1, and the discharge valve 4 passes through the bottom wall of the heat preservation barrel 2 and extends to the outside of the bottom of the heat preservation barrel 2 A heat preservation barrel 2 is arranged on the surface of the mixing barrel 1. The diameter of the heat preservation barrel 2 is larger than that of the mixing barrel 1, and the heat preservation barrel 2 covers the entire mixing barrel 1. A sealing hole 18 is opened on the left side of the top of the heat preservation barrel 2. Support legs 3 are fixedly connected to the bottom of the heat preservation barrel 2. A return pipe 11 is fixedly connected to the left side of the bottom of the heat preservation barrel 2. A second water pump 12 is arranged on the surface of the return pipe 11. A heating barrel 13 is fixedly connected to the upper left end of the return pipe 11. A heating rod 14 is arranged on the inner top of the heating barrel 13. A pumping pipe 16 is fixedly connected to the middle part of the inner side of the heating barrel 13. A first water pump 15 is arranged on the upper side of the pumping pipe 16. A sealing plug 17 is fixedly connected to the right surface of the pumping pipe 16.

[0025] Working principle: When in use, the staff will fill the heating barrel 13 with water through the water inlet on the top of the heating barrel 13 in advance, and start the heating rod 14. The heating rod 14 heats the water into hot water. At this time, the first water pump 15 is started. The first water pump 15 extracts the hot water in the heating barrel 13 through the pumping pipe 16 and transports it to the insulation barrel 2, so that the insulation barrel 2 is filled with hot water. The hot water can then completely cover the surface of the mixing barrel 1, thereby heating the mixing barrel 1 in all directions, ensuring the constant temperature in the mixing barrel 1 and improving the quality of the product. At this time, the staff unscrews the barrel cover 6 The barrel cover 6 is opened by the bolts on it, and the reactive hot melt adhesive is put into the mixing barrel 1, and the barrel cover 6 is closed again, and the servo motor 10 is started, and the servo motor 10 drives the rotating shaft 8 to drive the stirring paddle 9 to rotate, and the stirring paddle 9 stirs the hot melt adhesive. After the stirring is completed, the hot melt adhesive can be discharged by opening the discharge valve 4. When the water temperature in the insulation box decreases and affects the heating effect, the second water pump 12 can be started, and the second water pump 12 draws the water in the insulation barrel 2 through the reflux pipe and re-transports it to the heating barrel 13, and then the heated barrel 13 is reheated.

[0026] Compared with the related art, the PUR reactive hot melt adhesive reaction stirring device provided by the utility model has the following beneficial effects: by setting up the insulation barrel 2, the stirring barrel 1, etc. for use in conjunction, the insulation barrel 2 can be filled with hot water, and the hot water can then completely wrap the surface of the stirring barrel 1, thereby heating the stirring barrel 1 in all directions, ensuring the constant temperature in the stirring barrel 1, and improving the quality of the product.

[0027] Embodiment 2:

[0028] Please refer to Figure 1-5 A sealing groove 5 is provided on the top of the mixing barrel 1, and a sealing ring 7 is clamped inside the sealing groove 5. The shape and size of the sealing ring 7 are the same as those of the sealing groove 5, and the sealing ring 7 is tightly fitted with the inner wall of the sealing groove 5. A barrel cover 6 is fixedly connected to the top of the barrel cover 6, and a servo motor 10 is fixedly connected to the top of the barrel cover 6. A rotating shaft 8 is fixedly connected to the output end of the servo motor 10, and a stirring paddle 9 is fixedly connected to the surface of the rotating shaft 8. An insulation barrel 2 is provided on the surface of the mixing barrel 1, and a sealing hole 18 is provided on the left side of the top of the insulation barrel 2. The diameter of the sealing plug 17 is the same as the inner wall diameter of the sealing hole 18, and the sealing plug 17 is tightly fitted with the inner wall of the sealing hole 18.

[0029] Working principle: When it is necessary to clean and maintain the inside of the mixing barrel 1, the staff can unlock the barrel cover 6 by rotating the bolts on the barrel cover 6. At this time, the staff can lift the barrel cover 6 upwards and then drive the stirring paddle 9 to escape from the mixing barrel 1 through the rotating shaft 8, thereby exposing the inside of the mixing barrel 1 to the outside world. At this time, the staff can clean the inside of the mixing barrel 1. The staff can pull out the sealing plug 17 from the sealing hole 18, thereby pulling out the water pump 16. The staff can now flush the inside of the mixing barrel 1 through the water pump 16, which is convenient for the staff to use.

[0030] Compared with the related art, the PUR reactive hot melt adhesive reaction stirring device provided by the utility model has the following beneficial effects: by setting the barrel cover 6, the sealing ring 7, the rotating shaft 8 and the like for use in combination, the staff can lift the barrel cover 6 upwards and then drive the stirring paddle 9 out of the mixing barrel 1 through the rotating shaft 8, thereby exposing the interior of the mixing barrel 1 to the outside world, and the staff can clean the interior of the mixing barrel 1 at this time.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PUR reactive hot melt adhesive reaction stirring device, comprising a stirring barrel (1), characterized in that: The top of the mixing barrel (1) is provided with a sealing groove (5), the inside of the sealing groove (5) is clamped with a sealing ring (7), the top of the sealing ring (7) is fixedly connected to a barrel cover (6), the top of the barrel cover (6) is fixedly connected to a servo motor (10), the output end of the servo motor (10) is fixedly connected to a rotating shaft (8), the surface of the rotating shaft (8) is fixedly connected to a stirring paddle (9), the bottom of the mixing barrel (1) is provided with a discharge valve (4), the surface of the mixing barrel (1) is provided with a heat preservation barrel (2), the top left side of the heat preservation barrel (2) is provided with a sealing hole (18), and the The bottom of the heat preservation barrel (2) is fixedly connected with supporting legs (3) around the periphery, the bottom left side of the heat preservation barrel (2) is fixedly connected with a return pipe (11), the surface of the return pipe (11) is provided with a second water pump (12), the upper left end of the return pipe (11) is fixedly connected with a heating barrel (13), the inner top of the heating barrel (13) is provided with a heating rod (14), the middle of the inner side of the heating barrel (13) is fixedly connected with a water pump (16), the upper side of the water pump (16) is provided with a first water pump (15), and the right side surface of the water pump (16) is fixedly connected with a sealing plug (17).

2. A PUR reactive hot melt adhesive reaction stirring device according to claim 1, characterized in that: The diameter of the sealing plug (17) is the same as the diameter of the inner wall of the sealing hole (18), and the sealing plug (17) fits tightly against the inner wall of the sealing hole (18).

3. A PUR reactive hot melt adhesive reaction stirring device according to claim 1, characterized in that: The shape and size of the sealing ring (7) are the same as those of the sealing groove (5), and the sealing ring (7) is tightly fitted to the inner wall of the sealing groove (5).

4. A PUR reactive hot melt adhesive reaction stirring device according to claim 1, characterized in that: The number of the stirring paddles (9) is several, and the several stirring paddles (9) are evenly distributed on the surface of the rotating shaft (8) in a ring array, and the spacing between the several stirring paddles (9) is the same.

5. A PUR reactive hot melt adhesive reaction stirring device according to claim 1, characterized in that: The diameter of the heat-insulating barrel (2) is greater than the diameter of the mixing barrel (1), and the heat-insulating barrel (2) completely covers the mixing barrel (1).

6. A PUR reactive hot melt adhesive reaction stirring device according to claim 1, characterized in that: The discharge valve (4) passes through the bottom wall of the heat-insulating barrel (2) and extends to the outside of the bottom of the heat-insulating barrel (2).

Images