Batching device for producing polyurethane material

Abstract

The utility model relates to the technical field of polyurethane material production, and discloses a batching device for producing polyurethane materials, which comprises a batching tank and a plurality of raw material tanks, the plurality of raw material tanks are arranged above the batching tank, a bearing plate is arranged above the batching tank, and a plurality of weighing scales are connected above the bearing plate. The weighing scales correspond to the raw material tanks one to one, the raw material tanks are arranged above the weighing scales, one side of the lower end of each raw material tank is connected with a discharging pipe, one side of the bearing plate is connected with a mixing pipe, the upper portion of the mixing pipe is connected with a feeding pipe matched with the discharging pipe, the lower portion of the mixing pipe is connected with a batching tank through a communicating pipe, and a plurality of sets of stirring blades are arranged in the batching tank. And the stirring blades are driven by a rotating structure fixed in the batching tank. The utility model has the advantages of electronic weighing, no need of manual intervention, high accuracy, uniform stirring and batching, and prevention of non-uniform materials.

Description

Technical Field

[0001] The utility model relates to the technical field of polyurethane material production, in particular to a batching device for producing polyurethane materials. Background Art

[0002] Polyurethane is a multifunctional polymer material made by the reaction of isocyanate and polyol. It has excellent physical properties, chemical resistance and lightweight characteristics. It is widely used in foams, elastomers, coatings, adhesives, rigid plastics and fibers. It is a material that is highly valued in different industrial fields.

[0003] At present, most polyurethane batching processes use manual weighing and then mixing. However, this method has many inconveniences. First, manual weighing is time-consuming and labor-intensive, increasing production costs and workload. Second, during the weighing and pouring process, raw materials often spill, resulting in waste and unnecessary cleanup, and affecting the mix ratio. More importantly, the current batching and mixing method usually relies on a motor-driven agitator, which is inefficient and cannot fully guarantee uniform mixing of the raw materials. This uneven mixing may lead to unstable product quality and even affect the performance and quality of the final product. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a batching device for producing polyurethane materials, which has electronic weighing, no human intervention, high accuracy, uniform mixing and batching, and prevents uneven materials.

[0005] In order to solve the above-mentioned technical problems, the technical solution proposed in the utility model is: a batching device for producing polyurethane materials, including a batching tank and a raw material tank, a plurality of raw material tanks are arranged above the batching tank, a carrying plate is provided above the batching tank, a plurality of weighing scales are connected above the carrying plate, the weighing scales correspond to the raw material tanks one by one and the raw material tanks are arranged above the weighing scales, a discharge pipe is connected to one side of the lower end of the raw material tank, a mixing pipe is connected to one side of the carrying plate, a feed pipe matching the discharge pipe is connected above the mixing pipe, the mixing pipe is connected to the batching tank through a connecting pipe at the bottom, a plurality of groups of stirring blades are provided in the batching tank, and the stirring blades are driven by a rotating structure fixed in the batching tank.

[0006] Furthermore, the carrying plate is connected to the batching tank via support plates symmetrically fixed on both sides below the carrying plate.

[0007] Based on the above features, the symmetrically arranged support plates can ensure the stability of the load-bearing plate.

[0008] Furthermore, an extraction pump is connected to the discharge pipe, and a control panel for controlling the extraction pump is connected to the top of the supporting plate.

[0009] Based on the above characteristics, the extraction pump can stably and continuously extract the raw materials from the raw material tank, thereby facilitating accurate control of the amount of raw materials removed.

[0010] Furthermore, the stirring blade is provided with a plurality of through holes.

[0011] Based on the above characteristics, the through holes facilitate the passage of polyurethane raw materials with high viscosity, which is conducive to the smooth progress of the batching work, and can promote uniform mixing and improve mixing efficiency.

[0012] Furthermore, the rotating structure includes a turntable, a rotating shaft is connected to the middle of the turntable, the rotating shaft is driven by a motor fixed above the ingredient tank, a large gear is rotatably connected to the rotating shaft, the upper wall of the large gear is connected and fixed to the upper wall of the ingredient tank through a plurality of fixing rods, a plurality of rotating rods are rotatably connected to the edge of the turntable, a small gear is connected to the upper end of the rotating rod, the small gear is meshed with the large gear, the lower end of the rotating rod passes through the turntable and is connected to a rotating plate, and a plurality of stirring blades are fixedly connected below one end of the rotating plate.

[0013] Based on the above characteristics, the coordination of the turntable, large gear, small gear and other components can realize the stirring blades rotating along different trajectories at the same time. The turning plate can further increase the stirring range, thereby improving the stirring efficiency.

[0014] Furthermore, the stirring blades of the same group under the same rotating plate are arranged in different directions.

[0015] Based on the above characteristics, it is convenient to stir a wide range of raw materials at the same time, and the stirring efficiency is high.

[0016] Compared with the prior art, the utility model has the following advantages: the raw material tank is placed on the carrying plate through the weighing scale, which ensures the accurate weighing of each raw material; the control panel is convenient for controlling the switch of the extraction pump according to the data of the weighing scale, and no human intervention is required for weighing, and the spillage and waste of raw materials can be avoided; the proportioning is accurate; multiple groups of stirring blades work at the same time to stir and mix the raw materials in the mixing tank, which can achieve the stirring of raw materials in a larger range at the same time, and the stirring effect is uniform and the efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is the front view of the utility model;

[0019] Figure 3 It is a top view of the utility model;

[0020] Figure 4 It is a schematic diagram of the internal structure of the batching tank of the utility model;

[0021] Figure 5 It is an enlarged view of part A of the utility model.

[0022] As shown in the figure: 1. batching tank; 2. raw material tank; 3. load-bearing plate; 4. weighing scale; 5. discharge pipe; 6. mixing pipe; 7. feed pipe; 8. connecting pipe; 9. stirring blade; 10. support plate; 11. extraction pump; 12. control panel; 13. turntable; 14. rotating shaft; 15. motor; 16. large gear; 17. fixing rod; 18. rotating rod; 19. small gear; 20. rotating plate. DETAILED DESCRIPTION

[0023] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0024] Combined with Figure 1 , Attachment Figure 2 A batching device for producing polyurethane materials includes a batching tank 1 and a raw material tank 2. A plurality of raw material tanks 2 are arranged above the batching tank 1. A supporting plate 3 is arranged above the batching tank 1. The supporting plate 3 is connected to the batching tank 1 through supporting plates 10 symmetrically fixed on both sides below the supporting plate 3. The symmetrically arranged supporting plates 10 can ensure the stability of the supporting plate 3.

[0025] Combined with Figure 1 , Attachment Figure 3 A plurality of weighing scales 4 are connected above the carrying plate 3, and the weighing scales 4 correspond to the raw material tanks 2 one by one, and the raw material tanks 2 are arranged above the weighing scales 4. A discharge pipe 5 is connected to one side of the lower end of the raw material tank 2, and an extraction pump 11 is connected to the discharge pipe 5. A control panel 12 for controlling the extraction pump 11 is connected above the carrying plate 3, and the extraction pump 11 can stably and continuously extract the raw materials in the raw material tank 2, thereby facilitating and accurately controlling the amount of raw materials removed.

[0026] Combined with Figure 1 , Attachment Figure 4 A mixing tube 6 is connected to one side of the carrier plate 3, a feed tube 7 matching the discharge tube 5 is connected to the top of the mixing tube 6, and the bottom of the mixing tube 6 is connected to the batching tank 1 through a connecting tube 8. A plurality of groups of stirring blades 9 are arranged in the batching tank 1, and a plurality of through holes are arranged on the stirring blades 9. The through holes facilitate the passage of polyurethane raw materials with high viscosity, are conducive to the smooth progress of the batching work, and can promote uniform mixing and improve the mixing efficiency.

[0027] Combined with Figure 4 , Attachment Figure 5, the stirring blade 9 is driven by a rotating structure fixed in the batching tank 1. The rotating structure includes a turntable 13, a rotating shaft 14 is connected in the middle of the turntable 13, and the rotating shaft 14 is driven by a motor 15 fixed above the batching tank 1. A large gear 16 is rotatably connected on the rotating shaft 14, and the upper wall of the large gear 16 is connected and fixed to the upper wall of the batching tank 1 through a plurality of fixing rods 17. A plurality of rotating rods 18 are rotatably connected at the edge of the turntable 13, and a small gear 19 is connected at the upper end of the rotating rod 18, and the small gear 19 is meshed with the large gear 16. The lower end of the rotating rod 18 passes through the turntable 13 and is connected with a rotating plate 20. A plurality of stirring blades 9 are fixedly connected and arranged below one end of the rotating plate 20. The mutual cooperation of the turntable 13, the large gear 16, the small gear 19 and other components can realize the stirring blade 9 rotating along different tracks at the same time, and the cooperation with the rotating plate 20 can further increase the stirring range, thereby improving the stirring efficiency. The stirring blades 9 of the same group under the same rotating plate 20 are respectively arranged in different directions, so that a larger range of raw materials can be stirred at the same time, and the stirring efficiency is high.

[0028] The specific implementation mode of the utility model is as follows: the batching tank 1 is fixedly installed at a suitable position, the device is connected to an external power supply, an appropriate amount of polyurethane material raw material is added to the raw material tank 2, the extraction pump 11 is turned on, and the raw material in the raw material tank 2 enters the feed pipe 7 through the discharge pipe 5, and the weighing scale 4 weighs the raw material tank 2 in real time until the weighing scale 4 detects that the reduced weight of the raw material tank 2 is the same as the required raw material weight, the control panel 12 controls the corresponding extraction pump 11 to be closed, the raw material enters the mixing pipe 6 for mixing and enters the batching tank 1 through the connecting pipe 8, and the motor 15 is turned on. The motor 15 drives the turntable 13 to rotate through the rotating shaft 14, and the turntable 13 drives the rotating rod 18 to rotate, thereby causing the small gear 19 to rotate with the rotating plate 20. At the same time, since the small gear 19 is meshed with the fixed large gear 16, the small gear 19 also drives the rotating rod 18 to rotate, thereby causing the rotating plate 20 to drive the stirring blade 9 to rotate with the turntable 13 while also rotating around the rotating rod 18, so as to achieve uniform mixing and batching of the raw materials.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A batching device for producing polyurethane material, comprising a batching tank (1) and a raw material tank (2), characterized in that: A plurality of raw material tanks (2) are arranged above a batching tank (1), a carrying plate (3) is arranged above the batching tank (1), a plurality of weighing scales (4) are connected to the carrying plate (3), the weighing scales (4) correspond to the raw material tanks (2) one by one and the raw material tanks (2) are arranged above the weighing scales (4), a discharge pipe (5) is connected to one side of the lower end of the raw material tank (2), a mixing pipe (6) is connected to one side of the carrying plate (3), a feed pipe (7) matching the discharge pipe (5) is connected to the upper side of the mixing pipe (6), the mixing pipe (6) is connected to the batching tank (1) through a connecting pipe (8) at the lower side, a plurality of stirring blades (9) are arranged in the batching tank (1), and the stirring blades (9) are driven by a rotating structure fixed in the batching tank (1).

2. A batching device for producing polyurethane material according to claim 1, characterized in that: The carrying plate (3) is connected to the batching tank (1) via support plates (10) symmetrically fixedly arranged on both sides below the carrying plate (3).

3. A batching device for producing polyurethane material according to claim 1, characterized in that: The discharge pipe (5) is connected to an extraction pump (11), and a control panel (12) for controlling the extraction pump (11) is connected to the top of the support plate (3).

4. A batching device for producing polyurethane material according to claim 1, characterized in that: The stirring blade (9) is provided with a plurality of through holes.

5. A batching device for producing polyurethane material according to claim 1, characterized in that: The rotating structure comprises a rotating disk (13), a rotating shaft (14) is connected to the middle of the rotating disk (13), the rotating shaft (14) is driven by a motor (15) fixed above the batching tank (1), a large gear (16) is rotatably connected to the rotating shaft (14), the upper wall of the large gear (16) is connected and fixed to the upper wall of the batching tank (1) through a plurality of fixing rods (17), a plurality of rotating rods (18) are rotatably connected to the edge of the rotating disk (13), a small gear (19) is connected to the upper end of the rotating rod (18), the small gear (19) is meshed with the large gear (16), the lower end of the rotating rod (18) passes through the rotating disk (13) and is connected to a rotating plate (20), and a plurality of stirring blades (9) are fixedly connected and arranged below one end of the rotating plate (20).

6. A batching device for producing polyurethane material according to claim 5, characterized in that: The stirring blades (9) of the same group under the same rotating plate (20) are arranged facing different directions.

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