Polyurethane composite material batching device

Abstract

The utility model provides a polyurethane composite material batching device which comprises a tank body, the tank body is composed of a lower spherical cover, a middle section and an upper spherical cover, the upper end of the upper spherical cover is fixedly connected with a plurality of metering mechanisms, each metering mechanism comprises a metering pipe, a piston is arranged in the metering pipe, the upper end of the metering pipe is fixedly connected with an electric cylinder, and the electric cylinder is fixedly connected with the middle section of the middle section. The output end of the electric cylinder is fixedly connected with a telescopic rod, the lower end of the telescopic rod is fixedly connected with the piston, the middle of the lower end of the metering pipe is fixedly connected with a second discharging pipe, the second discharging pipe is provided with a first one-way valve and a second feeding pipe, and the first one-way valve is located below the second feeding pipe. The first one-way valve flows to the tank body, and the second feeding pipe is provided with a second one-way valve flowing to the metering pipe. According to the invention, a plurality of metering mechanisms are arranged, so that the proportioning requirement of polyurethane production is met.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of batching devices, in particular to a polyurethane combined material batching device. BACKGROUND

[0002] Polyurethane (PUR) is a polymer with a urethane chain segment repeat structure unit prepared by the reaction of isocyanate and polyol, and the water-based polyurethane resin has gradually replaced the solvent type, becoming an important direction of the development of the polyurethane industry, and the water-based polyurethane needs to be mixed with different raw materials together in production.

[0003] The patent "an automatic batching system suitable for polyurethane combined material" has a stirring storage tank, the stirring storage tank is of an integrated structure, and the volume is fixed and cannot be changed. SUMMARY

[0004] To solve the above problems, the application discloses a polyurethane combined material batching device, which comprises a tank body, and the tank body is composed of a lower ball cover, an intermediate section and an upper ball cover. The multi-section design facilitates the disassembly and cleaning of the tank body if the tank body is blocked or silted, and the volume of the tank body can be changed by replacing or not using the intermediate section.

[0005] A plurality of metering mechanisms are fixedly connected to the upper end of the upper ball cover, the metering mechanism comprises a metering pipe, a piston is arranged in the metering pipe, an electric cylinder is fixedly connected to the upper end of the metering pipe, a telescopic rod is fixedly connected to the output end of the electric cylinder, and the lower end of the telescopic rod is fixedly connected with the piston. The electric cylinder works, the piston slides up and down, the material is drawn into the metering pipe, and the stroke of the electric cylinder is controlled, so that the drawing amount of the material is controlled.

[0006] A second discharge pipe is fixedly connected to the lower end of the metering pipe, a first one-way valve and a second feeding pipe are arranged on the second discharge pipe, the first one-way valve is located below the second feeding pipe, the first one-way valve flows to the tank body, and the second feeding pipe is provided with a second one-way valve flowing to the metering pipe. After the material is drawn into the metering pipe, the first one-way valve and the second one-way valve are used to press the material into the tank body.

[0007] Preferably, the lower end of the lower ball cover is provided with a first discharge pipe. The mixed material is discharged.

[0008] Preferably, the side wall of the intermediate section is fixedly connected with a plurality of connecting frames. The connecting piece is a component for fixing the device.

[0009] Preferably, the upper end of the upper ball cover is fixedly connected with a plurality of first feeding pipes, and the first feeding pipes and the second discharging pipe are communicated.

[0010] Preferably, the inside of the tank body is provided with a stirrer, the upper ball cover is provided with a driving motor, the output end of the driving motor is fixedly connected with a stirring shaft, and the stirring shaft is fixedly connected with the stirrer. By starting the driving motor and transmitting through the stirring shaft, the rotation of the stirrer is realized, and the stirring of the material is realized.

[0011] Preferably, the upper end of the upper ball cover is fixedly connected with a connecting seat, and the driving motor is fixedly connected on the connecting seat. The driving motor and the connecting seat are fixedly connected together in the form of flanges.

[0012] The beneficial effects of the present application are as follows:

[0013] 1. The tank body is composed of a lower ball cover, an intermediate section and an upper ball cover, the volume of the tank body can be changed by replacing or removing the intermediate section, and the tank body can be removed for cleaning when blockage and accumulation occur in the tank body.

[0014] 2. A plurality of metering mechanisms are arranged to meet the proportioning of a plurality of materials. DETAILED DESCRIPTION

[0015] Fig. 1 is a perspective view of the present application;

[0016] Fig. 2 is a front view of the present application;

[0017] Fig. 3 is a perspective view of the stirrer of the present application;

[0018] Fig. 4 is a schematic view of the metering mechanism of the present application.

[0019] LIST OF REFERENCE NUMBERS

[0020] 1. Lower ball cover; 2. Intermediate section; 3. Connecting frame; 4. Upper ball cover; 5. First feeding pipe; 6. Connecting seat; 7. Metering mechanism; 8. Driving motor; 9. First discharging pipe; 10. Stirrer; 11. Stirring shaft;

[0021] 71. Second discharging pipe; 72. First one-way valve; 73. Second feeding pipe; 74. Second one-way valve; 75. Piston; 76. Telescopic rod; 77. Metering pipe; 78. Electric cylinder. DETAILED DESCRIPTION

[0022] The present invention will be further illustrated below with reference to the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are for illustrative purposes only and are not intended to limit the scope of the invention. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, and the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0023] like Figs. 1 to 4 As shown, a polyurethane compounding device includes a tank body, which consists of a lower spherical cover 1, a middle section 2, and an upper spherical cover 4, which are fixed together by flanges. The multi-section design allows for disassembly and cleaning of the tank body if blockages occur or the material solidifies. Furthermore, the middle section 2 can be replaced or removed if the tank capacity needs to be changed.

[0024] Several metering mechanisms 7 are fixedly connected to the upper end of the upper ball cover 4. These mechanisms are used to pump a specified amount of material into the tank. Each metering mechanism 7 includes a metering tube 77, which is a container for temporarily storing materials. A piston 75 is installed inside the metering tube 77. An electric cylinder 78 is fixedly connected to the upper end of the metering tube 77. A telescopic rod 76 is fixedly connected to the output end of the electric cylinder 78. The lower end of the telescopic rod 76 is fixedly connected to the piston 75. When the electric cylinder 78 is activated, the telescopic rod 78 extends and retracts, and the piston 75 moves to perform the suction of materials. The stroke of the electric cylinder 78 is controlled to control the amount of material suctioned, thus meeting the material ratio requirements.

[0025] The lower middle part of the metering tube 77 is fixedly connected to the second discharge tube 71. The second discharge tube 71 is equipped with a first one-way valve 72 and a second inlet tube 73. The first one-way valve 72 is located below the second inlet tube 73 and flows to the tank body. That is, the material in the metering tube 77 enters the interior of the tank body through the first one-way valve 72. The second inlet tube 73 is equipped with a second one-way valve 74 that flows to the metering tube 77. When the metering mechanism 7 draws in the material, the material enters the interior of the metering tube 77 through the second one-way valve 74.

[0026] The lower end of the lower ball cover 1 is provided with a first discharge pipe 9. After being stirred inside the tank, the material is sent out from the first discharge pipe 9.

[0027] Several connecting brackets 3 are fixedly connected to the side wall of the middle section 2. The device is fixed by the connecting brackets 3.

[0028] Several first feed pipes 5 are fixedly connected to the upper end of the upper ball cover 4, and the first feed pipes 5 are connected to the second discharge pipe 71. The material enters the interior of the tank through the first feed pipes 5.

[0029] The inside of the tank body is provided with an agitator 10, the agitator 10 is frame anchor type, the upper ball cover 4 is provided with a driving motor 8, the output end of the driving motor 8 is fixedly connected with an agitator shaft 11, and the agitator shaft 11 is fixedly connected with the agitator 10.

[0030] The upper end of the upper ball cover 4 is fixedly connected with a connecting seat 6, and the driving motor 8 is fixedly connected on the connecting seat 6.

[0031] The technical means disclosed in the scheme of the application is not limited to the technical means disclosed in the above-mentioned embodiment, and also includes the technical scheme composed of any combination of the above technical features.

Claims

1. A polyurethane formulation dispensing apparatus, characterized by, Including the tank body, the tank body is composed of lower ball cover (1), intermediate section (2) and upper ball cover (4); The upper end of the upper ball cover (4) is fixedly connected with a plurality of metering mechanisms (7), the metering mechanism (7) comprises a metering pipe (77), the inside of the metering pipe (77) is provided with a piston (75), the upper end of the metering pipe (77) is fixedly connected with an electric cylinder (78), the output end of the electric cylinder (78) is fixedly connected with a telescopic rod (76), the lower end of the telescopic rod (76) is fixedly connected with the piston (75); The lower end of the metering pipe (77) is fixedly connected with a second discharge pipe (71), the second discharge pipe (71) is provided with a first check valve (72) and a second feeding pipe (73), the first check valve (72) is located below the second feeding pipe (73), and the first check valve (72) flows to the tank body, the second feeding pipe (73) is provided with a second check valve (74) flowing to the metering pipe (77).

2. A polyurethane formulation dispensing apparatus according to claim 1, wherein: The lower end of the lower ball cover (1) is provided with a first discharge pipe (9).

3. A polyurethane formulation dispensing apparatus as defined in claim 1, wherein: The side wall of the intermediate section (2) is fixedly connected with a plurality of connecting frames (3).

4. A polyurethane formulation dispensing apparatus as defined in claim 1, wherein: The upper end of the upper ball cover (4) is fixedly connected with a plurality of first feeding pipes (5), the first feeding pipe (5) and the second discharge pipe (71) are communicated.

5. A polyurethane formulation dispensing apparatus as defined in claim 1, wherein: The inside of the tank body is provided with a stirrer (10), the upper ball cover (4) is provided with a driving motor (8), the output end of the driving motor (8) is fixedly connected with a stirring shaft (11), the stirring shaft (11) and the stirrer (10) are fixedly connected.

6. A polyurethane formulation dispensing apparatus according to claim 5, wherein: The upper end of the upper ball cover (4) is fixedly connected with a connecting seat (6), and the driving motor (8) is fixedly connected on the connecting seat (6).

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