Mixing device of polyurethane foam low-pressure mixing casting machine
By designing a preliminary mixing tank and agitating device in a polyurethane foam low-pressure mixing pouring machine, combined with an annular connecting pipe, the problems of low mixing efficiency and uneven raw materials in the prior art are solved, and more efficient mixing of polyurethane foam materials is achieved.
Patent Information
- Application Number
- CN202420213813.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-30
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-01-30
AI Technical Summary
The existing polyurethane foam casting machine mixing device has poor efficiency during mixing, and the raw materials are uneven when pouring, which affects the mixing uniformity of the material.
A polyurethane foam low pressure mixing pouring machine mixing device is designed, including a preliminary mixing tank and a stirring device. The rotating shaft and coupling drive the stirring rod for stirring. Combined with an annular connecting pipe, the initial mixed raw materials are evenly spread in the mixing. In the device, improve mixing efficiency.
A more uniform mixing effect is achieved, mixing efficiency and practicality are improved, and efficient mixing of polyurethane foam materials is ensured.
Smart Images
Figure CN222223282U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polyurethane foam plastic processing, in particular to a mixing device of a polyurethane foam low-pressure mixing pouring machine. Background Art
[0002] Polyurethane foam is made of isocyanate and hydroxyl compounds through polymerization and foaming. It can be divided into two categories according to its hardness: soft and hard, of which soft is the main variety. Generally speaking, it has excellent elasticity, softness, elongation and compression strength; good chemical stability, resistance to many solvents and oils; excellent wear resistance, 20 times greater than natural sponge; and excellent processability, thermal insulation, adhesion and other properties. It is a high-performance cushioning material, but the price is relatively high.
[0003] The mixing device of the existing polyurethane casting machine does not perform preliminary mixing during mixing, and the efficiency of stirring and mixing is poor. At the same time, the existing mixing device cannot evenly spread the raw materials in the mixing device when the raw materials are poured in, which affects the mixing of the materials. Utility Model Content
[0004] Technical problem solved: In view of the deficiencies in the prior art, the utility model provides a mixing device for a polyurethane foam low-pressure mixing and pouring machine to solve the problems raised in the above background.
[0005] Technical Solution
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mixing device of a polyurethane foam low-pressure mixing pouring machine, comprising a base, the bottom end of the base is fixedly connected with a support leg, the inner side of the base is fixedly connected with a tank body 1, the bottom end of the tank body 1 is provided with a discharge pipe, the top of the tank body 1 is fixedly connected with a support frame by bolts, the top of the support frame is fixedly connected with a tank body 2 by bolts, the top of the tank body 2 is provided with a feed pipe, the bottom end of the tank body 2 is fixedly connected with a connecting pipe 1, the end of the connecting pipe 1 away from the tank body 2 is fixedly connected with a valve, the bottom end of the valve is fixedly connected with a connecting pipe 2, the bottom end of the tank body 1 is fixedly connected with a motor, the inside of the tank body 1 is fixedly connected with a rotating shaft 1, the outside of the rotating shaft 1 is fixedly connected with a stirring rod 1, the top of the rotating shaft 1 is fixedly connected with a coupling, the top of the coupling is fixedly connected with a rotating shaft 2, the outside of the rotating shaft 2 is fixedly connected with a stirring rod 2, and the bottom end of the connecting pipe 3 is fixedly connected with a discharge port.
[0007] Preferably, the tank body 2, connecting pipe 1, valve, connecting pipe 2, connecting pipe 3, the discharge port and the tank body 1 are connected to each other, and the connecting pipe 1, valve and connecting pipe 2 are provided in two identical groups, and the two groups of connecting pipe 1, valve and connecting pipe 2 are symmetrically distributed about the center line of the tank body 1.
[0008] According to the above technical solution, the raw materials are added into the second tank through the feed pipe for preliminary mixing. After the mixing is completed, the valve is opened to allow the preliminary mixed materials to flow into the first tank for mixing.
[0009] Preferably, the output shaft of the motor is fixedly connected to the rotating shaft 1, and the stirring rods 1 are provided in five identical groups, and the five groups of stirring rods 1 are arranged at equal intervals on the outside of the rotating shaft 1.
[0010] Through the above technical solution, the motor drives the rotating shaft 1 to rotate, thereby causing the stirring rod 1 to rotate to mix the raw materials in the tank body 1.
[0011] Preferably, each group of the stirring rods 1 is provided with three identical ones, and the angle between the three stirring rods 1 is °.
[0012] Through the above technical solution, multiple groups of stirring rods can make the raw materials in the tank body mixed more evenly, thereby improving the mixing efficiency.
[0013] Preferably, the rotating shaft 1 passes through the tank body 1 and extends to the top end of the tank body 1, and the rotating shaft 2 passes through the tank body 2 and extends to the bottom end of the tank body 2.
[0014] Through the above technical solution, the motor drives the rotating shaft one, and at the same time drives the rotating shaft two to rotate through the coupling, driving the stirring rod two on the rotating shaft two to mix the materials in the tank body two.
[0015] Preferably, the stirring rods 2 are provided in two identical groups, and the two groups of the stirring rods 2 are provided with the same number of three, the angle between the three stirring rods 2 is °, and the stirring rods 1 and 2 have the same specifications.
[0016] Through the above technical solution, multiple groups of stirring rods 2 are used to preliminarily mix the added raw materials in the tank body 2, which is convenient for subsequent mixing in the tank body 1.
[0017] Preferably, the connecting pipe 2 extends to the interior of the tank body 1, the connecting pipe 3 is in an annular structure, and a plurality of the same discharge ports are provided, and the plurality of discharge ports are distributed in an annular shape at the bottom end of the connecting pipe 3.
[0018] Through the above technical solution, the preliminarily mixed raw materials are evenly spread in the tank body 2 through the annular connecting pipe 3, which facilitates mixing and improves practicality.
[0019] Compared with the prior art, the utility model provides a mixing device for a polyurethane foam low-pressure mixing and pouring machine, which has the following beneficial effects: the mixing device for the polyurethane foam low-pressure mixing and pouring machine is provided with a tank body 2 for preliminary mixing of materials at the top of a tank body 1, and the materials are preliminary mixed to facilitate subsequent mixing in the tank body 1; an annular connecting pipe 3 is provided, and the preliminary mixed materials are evenly spread in the tank body 1 through the annular connecting pipe 3 to improve the mixing efficiency; a rotating shaft 1 is driven to rotate by a motor to drive a pair of stirring rods outside the rotating shaft 1 to stir and mix the tank body 1; at the same time, the rotating shaft 2 is driven to rotate through a coupling to mix the materials inside the tank body 2. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;
[0021] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;
[0022] Figure 3 This is a schematic diagram of the split structure of the utility model Figure 1 ;
[0023] Figure 4 This is a schematic diagram of the split structure of the utility model Figure 2 ;
[0024] Figure 5 This is a schematic diagram of the motor installation structure of the utility model.
[0025] Among them: 1. Base; 2. Support legs; 3. Tank body 1; 4. Discharge pipe; 5. Support frame; 6. Tank body 2; 7. Feed pipe; 8. Connecting pipe 1; 9. Valve; 10. Connecting pipe 2; 11. Motor; 12. Rotating shaft 1; 13. Stirring rod 1; 14. Coupling; 15. Rotating shaft 2; 16. Stirring rod 2; 17. Connecting pipe 3; 18. Discharge port. DETAILED DESCRIPTION
[0026] 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.
[0027] Embodiment 1: Figure 1-5As shown, the utility model provides a polyurethane foam low-pressure mixing pouring machine mixing device, including a base 1, the bottom end of the base 1 is fixedly connected to a leg 2, the inner side of the base 1 is fixedly connected to a tank body 3, the bottom end of the tank body 3 is provided with a discharge pipe 4, the top of the tank body 3 is fixedly connected to a support frame 5 by bolts, the top of the support frame 5 is fixedly connected to a tank body 6 by bolts, the top of the tank body 6 is provided with a feed pipe 7, the bottom end of the tank body 6 is fixedly connected to a connecting pipe 8, and the connecting pipe 8 is away from the tank One end of the body 2 6 is fixedly connected to a valve 9, the bottom end of the valve 9 is fixedly connected to a connecting pipe 2 10, the bottom end of the tank body 1 3 is fixedly connected to a motor 11, the interior of the tank body 1 3 is fixedly connected to a rotating shaft 12, the outer side of the rotating shaft 12 is fixedly connected to a stirring rod 13, the top of the rotating shaft 12 is fixedly connected to a coupling 14, the top of the coupling 14 is fixedly connected to a rotating shaft 2 15, the outer side of the rotating shaft 2 15 is fixedly connected to a stirring rod 2 16, and the bottom end of the connecting pipe 3 17 is fixedly connected to a discharge port 18.
[0028] Specifically, the tank body 2 6, connecting pipe 1 8, valve 9, connecting pipe 2 10, connecting pipe 3 17, discharge port 18 and tank body 1 3 are connected to each other, and the connecting pipe 1 8, valve 9 and connecting pipe 2 10 are provided in two identical groups, and the two groups of connecting pipe 1 8, valve 9 and connecting pipe 2 10 are symmetrically distributed about the center line of the tank body 1 3. The advantage is that the raw materials are added into the tank body 2 6 through the feed pipe 7 for preliminary mixing. After the mixing is completed, the valve 9 is opened to allow the preliminary mixed materials to flow into the tank body 3 for mixing.
[0029] Specifically, the output shaft of the motor 11 is fixedly connected to the rotating shaft 12, and the stirring rods 13 are provided in five identical groups, and the five groups of stirring rods 13 are arranged at equal intervals on the outside of the rotating shaft 12. The advantage is that the motor 11 drives the rotating shaft 12 to rotate, thereby causing the stirring rods 13 to rotate to mix the raw materials in the tank body 3.
[0030] Specifically, each group of the stirring rods 13 is provided with three identical ones, and the angle between the three stirring rods 13 is 120°. The advantage is that multiple groups of stirring rods 13 can make the raw materials in the tank body 3 mixed more evenly, thereby improving the mixing efficiency.
[0031] Embodiment 2: Figure 2-5 As shown, as an improvement to the previous embodiment.
[0032] Specifically, the rotating shaft 12 passes through the tank body 3 and extends to the top of the tank body 3, and the rotating shaft 2 15 passes through the tank body 2 6 and extends to the bottom of the tank body 2 6. The advantage is that when the motor 11 drives the rotating shaft 12, the rotating shaft 2 15 is driven to rotate through the coupling 14 at the same time, driving the stirring rod 2 16 on the rotating shaft 2 15 to mix the materials in the tank body 2 6.
[0033] Specifically, the stirring rods 16 are provided in two identical groups, and the two groups of stirring rods 16 are provided with the same number of three. The angle between the three stirring rods 16 is 120°. The stirring rods 13 and 16 have the same specifications. The advantage is that multiple groups of stirring rods 16 can perform preliminary mixing of the added raw materials in the tank body 6, which is convenient for subsequent mixing in the tank body 3.
[0034] Specifically, the connecting pipe 2 10 extends to the interior of the tank body 1 3, the connecting pipe 3 17 is annular in structure, and the discharge ports 18 are provided in a plurality of the same manner, and the plurality of discharge ports 18 are distributed in a ring shape at the bottom end of the connecting pipe 3 17. The advantage is that the preliminarily mixed raw materials can be evenly spread in the tank body 2 6 through the annular connecting pipe 3 17, which facilitates mixing and improves practicality.
[0035] Working principle: When in use, firstly transport the raw materials into the tank body 2 6 through the feed pipe 7, then start the motor 11, the motor 11 drives the rotating shaft 12 to rotate, and at the same time drives the rotating shaft 2 15 to rotate through the coupling 14, driving the stirring rod 2 16 on the rotating shaft 2 15 to mix the materials in the tank body 2 6, so that the materials inside the tank body 2 6 are preliminarily mixed, and then open the valve 9, and the preliminarily mixed materials enter the tank body 1 3 through the connecting pipe 2 10 and the connecting pipe 3 17, and are more fully mixed by falling into the tank body 3 through the rotating shaft 12, and at the same time, the multiple groups of discharge ports 18 on the connecting pipe 3 17 allow the materials to be evenly sprinkled in the tank body 3, which facilitates mixing and improves practicality. After mixing, the materials can be taken out of the tank body 3 through the discharge pipe 4.
[0036] 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 mixing device for a polyurethane foam low-pressure mixing and pouring machine, comprising a base (1), characterized in that: The bottom end of the base (1) is fixedly connected to a support leg (2), the inner side of the base (1) is fixedly connected to a tank body (3), the bottom end of the tank body (3) is provided with a discharge pipe (4), the top end of the tank body (3) is fixedly connected to a support frame (5) by bolts, the top end of the support frame (5) is fixedly connected to a tank body (6) by bolts, the top end of the tank body (6) is provided with a feed pipe (7), the bottom end of the tank body (6) is fixedly connected to a connecting pipe (8), the end of the connecting pipe (8) away from the tank body (6) is fixedly connected to a valve (9), The bottom end of the valve (9) is fixedly connected to a connecting pipe 2 (10), the bottom end of the tank body 1 (3) is fixedly connected to a motor (11), the interior of the tank body 1 (3) is fixedly connected to a rotating shaft 1 (12), the outer side of the rotating shaft 1 (12) is fixedly connected to a stirring rod 1 (13), the top end of the rotating shaft 1 (12) is fixedly connected to a coupling (14), the top end of the coupling (14) is fixedly connected to a rotating shaft 2 (15), the outer side of the rotating shaft 2 (15) is fixedly connected to a stirring rod 2 (16), and the bottom end of the connecting pipe 3 (17) is fixedly connected to a discharge port (18).
2. A polyurethane foam low-pressure mixing pouring machine mixing device according to claim 1, characterized in that: The tank body 2 (6), the connecting pipe 1 (8), the valve (9), the connecting pipe 2 (10), the connecting pipe 3 (17), the discharge port (18) and the tank body 1 (3) are connected to each other. The connecting pipe 1 (8), the valve (9) and the connecting pipe 2 (10) are provided in two identical groups. The two groups of the connecting pipe 1 (8), the valve (9) and the connecting pipe 2 (10) are symmetrically distributed about the center line of the tank body 1 (3).
3. A polyurethane foam low-pressure mixing pouring machine mixing device according to claim 1, characterized in that: The output shaft of the motor (11) is fixedly connected to the rotating shaft (12), and the stirring rods (13) are provided in five identical groups, and the five groups of stirring rods (13) are arranged at equal intervals on the outside of the rotating shaft (12).
4. A polyurethane foam low-pressure mixing pouring machine mixing device according to claim 1, characterized in that: Each group of stirring rods 1 (13) is provided with three identical stirring rods, and the angle between the three stirring rods 1 (13) is 120°.
5. A polyurethane foam low-pressure mixing pouring machine mixing device according to claim 1, characterized in that: The rotating shaft 1 (12) passes through the tank body 1 (3) and extends to the top end of the tank body 1 (3), and the rotating shaft 2 (15) passes through the tank body 2 (6) and extends to the bottom end of the tank body 2 (6).
6. A polyurethane foam low-pressure mixing pouring machine mixing device according to claim 1, characterized in that: The stirring rods (16) are provided in two identical groups, and the two groups of stirring rods (16) are provided with the same number of three. The angle between the three stirring rods (16) is 120°. The stirring rods (13) and the stirring rods (16) are of the same specifications.
7. A polyurethane foam low-pressure mixing and pouring machine mixing device according to claim 2, characterized in that: The connecting pipe 2 (10) extends to the interior of the tank body 1 (3), the connecting pipe 3 (17) is annular in structure, and a plurality of the discharge ports (18) are provided, and the plurality of discharge ports (18) are distributed in annular shape at the bottom end of the connecting pipe 3 (17).