CN210880801U - High-strength water-based polyurethane pressure-sensitive adhesive mixing extruder - Google Patents

Abstract

The utility model discloses a high-strength water-based polyurethane pressure-sensitive adhesive mixing extruder, comprising a body, the body is composed of an outer shell and an inner shell, a cooling cavity is formed between the outer shell and the inner shell, and the machine One end of the body is fixed with a first motor, a threaded rod is arranged inside the body, the threaded rod is connected with the output shaft of the first motor, a discharge port is provided on one side of the body, and the body is The two ends are respectively provided with a cold water outlet and a cold water outlet. Beneficial effect: After stirring, open the first valve, pass the mixture into the inner shell, then turn on the first motor, stir and extrude the mixture, and pour cold water into the cooling cavity through the cold water port, and the cold water is in the air. It flows in the cavity and flows out from the cold water outlet, so as to cool the threaded rod, so that the threaded rod and the cold water can fully complete the heat exchange.

Description

A high-strength water-based polyurethane pressure-sensitive adhesive mixing extruder

technical field

The utility model relates to the technical field of mixing and extruding equipment, in particular to a mixing extruder for high-strength water-based polyurethane pressure-sensitive adhesive.

Background technique

Waterborne polyurethane pressure-sensitive adhesives are a class of adhesives that are sensitive to pressure. It has high peeling force and high peeling strength, and is suitable for bonding between materials such as foam and paper. At present, a mixing extruder is needed in the production of water-based polyurethane pressure-sensitive adhesives, which are mostly used in rubber production. , During the working process, due to the high temperature of the screw used for extruding the material, the rubber melt will be prematurely melted in the conveying section, and decomposed by overheating in the metering section, and the existing extruder has low molding quality, which cannot be used for production materials. Intensive mixing, which affects the quality of the production material when it is extruded.

For the problems in the related technologies, no effective solutions have been proposed so far.

Utility model content

The purpose of this utility model is to provide a high-strength water-based polyurethane pressure-sensitive adhesive mixing extruder to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the utility model provides the following technical solutions:

A high-strength water-based polyurethane pressure-sensitive adhesive mixing extruder includes a body, the body is composed of an outer shell and an inner shell, a cooling cavity is formed between the outer shell and the inner shell, and one end of the body is fixedly provided with A first motor, a threaded rod is arranged inside the body, the threaded rod is connected with the output shaft of the first motor, a discharge port is provided on one side of the body, and two ends of the body are respectively provided with The cold water outlet and the cold water outlet are provided with a stirring bin on one side of the fuselage. A second motor is fixed at the center of the top of the stirring bin. The output end of the second motor is provided with a rotating rod, and the bottom of the rotating rod is provided with a rotating rod. The end is fixed through the top of the stirring bin and is located inside the stirring bin, and L-shaped scrapers are fixed on both sides of the rotating rod. The L-shaped scrapers are in contact with the inner wall of the stirring bin, and the stirring bin is The circular stirring chamber, the L-shaped scraper is fixed with two sets of first stirring rods on the side away from the inner wall of the stirring chamber, and the number of the first stirring rods in each group is two, and the number of the first stirring rods is two. The first stirring rods of the group are all arranged crosswise, the second stirring rods are fixed on the L-shaped scrapers, the electric telescopic rod is fixed at the center of the bottom end of the stirring bin, and the output end of the electric telescopic rod passes through The bottom end of the stirring bin is located inside the stirring bin, the top of the output of the electric telescopic rod is fixed with a lifting plate, the lifting plate is located between the second stirring rods, and the top of the stirring bin is fixed with an inlet. A material pipe, the bottom end of the stirring bin is provided with a material discharge pipe, the material discharge pipe is communicated with the interior of the inner shell, and a first valve is arranged on the material discharge pipe.

Further, support plates are fixed on both sides of the outer wall of the stirring bin, and shock absorbers are arranged at the bottom ends of the support plates.

Further, the bottom end of the fuselage is fixedly provided with a supporting leg, and the bottom end of the shock absorber and the bottom end of the supporting leg are in the same horizontal position.

Further, a protective cover is sleeved on the second motor.

Further, the first stirring rod and the second stirring rod with the number of two groups are provided with leakage holes, the leakage holes on the first stirring rod with the number of two groups are circular leakage holes, and the The leak hole on the second stirring rod is a square leak hole.

Further, a water inlet pipe is fixed on the top of the stirring bin, and a cover is arranged above the top of the water inlet pipe.

Further, a water outlet pipe is fixedly arranged at the bottom end of the stirring bin, and a second valve is arranged on the water outlet pipe.

Compared with the prior art, the utility model has the following beneficial effects:

The raw materials are discharged into the stirring bin through the feeding pipe, and the second motor drives the L-shaped scraper connected to the rotating rod to rotate, so as to stir and mix the raw materials in the stirring bin. The L-shaped scraper also prevents the raw materials from sticking during mixing. On the inner wall of the mixing chamber, the L-shaped scraper scrapes off the adhering mixture on the inner wall of the mixing chamber to avoid waste of the mixture and save resources. The rotation of the L-shaped scraper drives the first stirring rod and the second mixing rod. The stirring rod rotates, the first stirring rod plays an oblique stirring effect on the mixture, the second stirring rod plays a horizontal stirring effect on the mixture, and the set stirring rod can play a role of uniform mixing. The rod drives the lifting plate to go up and down repeatedly, so as to continuously flip the mixture in the mixing bin, so that the material at the bottom of the bin rises to the top, and the material on the side of the lifting plate is close to the stirring rod for stirring by the stirring rod, which greatly improves the Mixing efficiency, thereby improving the quality of the production material during extrusion;

After stirring, open the first valve, pass the mixture into the inner shell, and then turn on the first motor to agitate and extrude the mixture. The cold water can be injected into the cooling cavity through the cold water port, and the cold water flows in the cavity. And flow out from the cold water outlet, so as to cool the threaded rod, so that the threaded rod and the cold water can fully complete the heat exchange.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only of the present invention. For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a front view of a high-strength water-based polyurethane pressure-sensitive adhesive mixing extruder according to an embodiment of the present utility model;

2 is a schematic diagram of a support plate of a high-strength water-based polyurethane pressure-sensitive adhesive mixing extruder according to an embodiment of the present invention.

Reference number:

1. Body; 2. Outer shell; 3. Inner shell; 4. Cooling cavity; 5. The first motor; 6. Threaded rod; 7. Outlet; 8. Cold water outlet; 9. Cold water outlet; 10, Stirring bin; 11, second motor; 12, rotating rod; 13, L-shaped scraper; 14, first stirring rod; 15, second stirring rod; 16, electric telescopic rod; 17, lifting plate; 18, feeding pipe; 19, discharge pipe; 20, first valve; 21, support plate; 22, shock absorber; 23, support leg; 24, leakage hole; 25, water inlet pipe; 26, water outlet pipe.

Detailed ways

Below, in conjunction with the accompanying drawings and specific embodiments, the utility model is further described:

In order to be able to understand the above-mentioned objects, features and advantages of the present invention more clearly, the present invention will be further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments may be combined with each other in the case of no conflict.

In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific details of the following disclosure. Example limitations.

Example 1:

1-2, a high-strength water-based polyurethane pressure-sensitive adhesive mixing extruder according to an embodiment of the present invention includes a body 1, and the body 1 is composed of an outer shell 2 and an inner shell 3. The outer shell A cooling cavity 4 is formed between 2 and the inner shell 3, one end of the body 1 is fixed with a first motor 5, and a threaded rod 6 is arranged inside the body 1, and the threaded rod 6 is connected to the first motor. 5 is connected to the output shaft, one side of the fuselage 1 is provided with a discharge port 7, both ends of the fuselage 1 are respectively provided with a cold water port 8 and a cold water outlet 9, and one side of the fuselage 1 is provided with a stirring bin 10. A second motor 11 is fixed at the center of the top of the stirring bin 10, the output end of the second motor 11 is provided with a rotating rod 12, and the bottom end of the rotating rod 12 is fixed through the stirring bin 10. Inside the stirring bin 10, L-shaped scrapers 13 are fixed on both sides of the rotating rod 12, and the L-shaped scrapers 13 are in contact with the inner wall of the stirring bin 10, and the stirring bin 10 is a circular stirring bin , the side of the L-shaped scraper 13 away from the inner wall of the stirring bin 10 is fixedly provided with two groups of first stirring rods 14, and the number of the first stirring rods 14 in each group is two, and the number is two The first stirring rods 14 of the group are all arranged crosswise, the second stirring rods 15 are fixed on the L-shaped scrapers 13, and the electric telescopic rod 16 is fixed at the center of the bottom end of the stirring bin 10. The output end of the rod 16 penetrates the bottom end of the stirring bin 10 and is located inside the stirring bin 10 . The output top of the electric telescopic rod 16 is fixed with a lifting plate 17 , and the lifting plate 17 is located in the second stirring rod 15 . Between, the top of the stirring bin 10 is fixedly provided with a feeding pipe 18, and the bottom end of the stirring bin 10 is provided with a discharging pipe 19, the discharging pipe 19 is communicated with the interior of the inner shell 3, and the discharging A first valve 20 is provided on the pipe 19 .

Embodiment 2:

Referring to FIG. 2 , for the stirring bin 10 , support plates 21 are fixed on both sides of the outer wall of the stirring bin 10 , and a shock absorber 22 is provided at the bottom end of the support plate 21 .

Through the above solution of the present invention, the beneficial effects are as follows: the shock absorber 22 acts as a shock absorber for the stirring bin 10, and the discharge pipe 19 is connected with the inner shell 3 of the fuselage 1, so the stirring bin 10 and the fuselage 1 are arranged separately. , to avoid the vibration generated by the stirring bin 10 to drive the fuselage 1 to generate excessive vibration.

Embodiment three:

Referring to FIG. 1 , for the fuselage 1 , the bottom end of the fuselage 1 is fixedly provided with a supporting leg 23 , and the bottom end of the shock absorber 22 and the bottom end of the supporting leg 23 are in the same horizontal position.

Through the above solutions of the present invention, the beneficial effects are as follows: the support legs 23 play a fixed and support role for the fuselage 1 .

Embodiment 4:

Referring to FIG. 1 , for the second motor 11 , a protective cover is sleeved on the second motor 11 .

Through the above solution of the present invention, the beneficial effect is that the protective cover protects the second motor 11 .

Embodiment 5:

Referring to FIG. 1 , for the first stirring rods 14 , two groups of the first stirring rods 14 and the second stirring rods 15 are provided with leak holes 24 , and there are two groups of the first stirring rods 14 . The leak hole 24 on the top is a circular leak hole, and the leak hole 24 on the second stirring rod 15 is a square leak hole.

Through the above scheme of the present invention, the beneficial effect is: when the stirring rod is stirring the mixture in the mixing bin 10, the mixture will also pass through the leak hole 24, thereby accelerating the mixing effect.

Embodiment 6:

Referring to FIG. 1 , for the stirring chamber 10 , a water inlet pipe 25 is fixedly arranged at the top of the stirring chamber 10 , and a cover is provided above the top of the water inlet pipe 25 .

Through the above-mentioned scheme of the present invention, the beneficial effect is as follows: when it is necessary to clean the inside of the stirring bin 10, the water is discharged into the stirring bin 10 through the water inlet pipe 25, and the stirring and mixing methods of the mixture are driven by the stirring rod to drive the water in the stirring bin 10. The water rotates, and the L-shaped scraper 13 also cleans the inner wall of the stirring chamber 10 .

Embodiment 7:

Referring to FIG. 1 , for the stirring chamber 10 , a water outlet pipe 26 is fixedly arranged at the bottom end of the stirring chamber 10 , and the water outlet pipe 26 is provided with a second valve.

Through the above scheme of the present invention, the beneficial effect is as follows: when the inside of the stirring bin 10 is cleaned, the water in the stirring bin 10 is discharged from the water outlet pipe 26 .

In order to facilitate the understanding of the above technical solutions of the present invention, the working principle or operation mode of the present invention in the actual process will be described in detail below.

In practical application, the raw materials are discharged into the stirring bin 10 through the feeding pipe 18, and the second motor 11 drives the L-shaped scraper 13 connected to the rotating rod 12 to rotate, thereby stirring and mixing the raw materials in the stirring bin 10, L The L-shaped scraper 13 also prevents the raw materials from sticking to the inner wall of the mixing bin 10 when they are mixed, so that the L-shaped scraper 13 scrapes off the adhering mixture on the inner wall of the mixing chamber 10 to avoid waste of the mixture and save resources. The rotation of the L-shaped scraper 13 drives the rotation of the first stirring rod 14 and the second stirring rod 15. The first stirring rod 14 tilts and stirs the mixture, and the second stirring rod 15 plays a horizontal stirring effect on the mixture. The stirring rod can play the role of uniform mixing. During the stirring and mixing process, the electric telescopic rod 16 drives the lifting plate 17 to move up and down repeatedly, so as to continuously flip the mixture in the mixing bin 10, so that the material at the bottom of the bin rises to On the top, the material on the side of the lifting plate 17 is close to the stirring rod, which is used for stirring by the stirring rod, which greatly improves the mixing efficiency, thereby improving the quality of the production material during extrusion;

After stirring, the first valve 20 is opened, the mixture is passed into the inner shell 3, and then the first motor 5 is turned on to stir and extrude the mixture, and cold water can be injected into the cooling cavity 4 through the cold water port 8. It flows in the cavity and flows out from the cold water outlet 9, so as to cool the threaded rod 6, so that the threaded rod 6 can fully complete the heat exchange with the cold water.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The high-strength water-based polyurethane pressure-sensitive adhesive mixing extruder is characterized by comprising an extruder body (1), wherein the extruder body (1) consists of an outer shell (2) and an inner shell (3), a cooling cavity (4) is formed between the outer shell (2) and the inner shell (3), a first motor (5) is fixedly arranged at one end of the extruder body (1), a threaded rod (6) is arranged inside the extruder body (1), the threaded rod (6) is connected with an output shaft of the first motor (5), a discharge hole (7) is arranged at one side of the extruder body (1), a cold water opening (8) and a cold water outlet (9) are respectively arranged at two ends of the extruder body (1), a stirring bin (10) is arranged at one side of the extruder body (1), a second motor (11) is fixedly arranged at the center position of the top end of the stirring bin (10), a rotating rod (12) is arranged at the output end of the second motor, the bottom end of the rotating rod (12) is fixedly penetrated through the top end of the stirring bin (10) and is positioned inside the stirring bin (10), L-shaped scrapers (13) are fixedly arranged on two sides of the rotating rod (12), the L-shaped scrapers (13) are in contact with the inner wall of the stirring bin (10), the stirring bin (10) is a circular stirring bin, two groups of first stirring rods (14) are fixedly arranged on one side, away from the inner wall of the stirring bin (10), of each L-shaped scraper (13), the number of the first stirring rods (14) of each group is two, the number of the first stirring rods (14) of the two groups is respectively arranged in a crossed manner, second stirring rods (15) are fixedly arranged on the L-shaped scrapers (13), an electric telescopic rod (16) is fixedly arranged at the bottom center of the stirring bin (10), the output end of the electric telescopic rod (16) penetrates through the bottom end of the stirring bin (10) and is positioned inside the stirring bin (10), the fixed lifter plate (17) that is equipped with in output top of electric telescopic handle (16), lifter plate (17) are located between second puddler (15), stirring storehouse (10) top is fixed and is equipped with inlet pipe (18), stirring storehouse (10) bottom is equipped with discharging pipe (19), discharging pipe (19) with the inside intercommunication of inner shell (3), be equipped with first valve (20) on discharging pipe (19).

2. The high-strength aqueous polyurethane pressure-sensitive adhesive mixing extruder as claimed in claim 1, wherein support plates (21) are fixedly arranged on both sides of the outer wall of the stirring bin (10), and a shock absorber (22) is arranged at the bottom end of each support plate (21).

3. The mixing extruder of high-strength aqueous polyurethane pressure-sensitive adhesive according to claim 2, wherein the bottom end of the extruder body (1) is fixedly provided with a supporting leg (23), and the bottom end of the shock absorber (22) and the bottom end of the supporting leg (23) are at the same horizontal position.

4. The high-strength aqueous polyurethane pressure-sensitive adhesive mixing extruder as claimed in claim 1, wherein a protective cover is sleeved on the second motor (11).

5. The mixing extruder for high-strength aqueous polyurethane pressure-sensitive adhesive according to claim 1, wherein two groups of first stirring rods (14) and second stirring rods (15) are provided with leakage holes (24), the leakage holes (24) on the two groups of first stirring rods (14) are circular leakage holes, and the leakage holes (24) on the second stirring rods (15) are square leakage holes.

6. The high-strength aqueous polyurethane pressure-sensitive adhesive mixing extruder as claimed in claim 1, wherein a water inlet pipe (25) is fixedly arranged at the top end of the stirring bin (10), and a sealing cover is arranged above the top end of the water inlet pipe (25).

7. The mixing extruder of high-strength aqueous polyurethane pressure-sensitive adhesive according to claim 1, wherein a water outlet pipe (26) is fixedly arranged at the bottom end of the stirring bin (10), and a second valve is arranged on the water outlet pipe (26).

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