Polyurethane high-pressure foaming machine

Abstract

The utility model discloses a polyurethane high-pressure foaming machine, and relates to the technical field of foaming machines. The air supply mechanism is arranged in the stirring tank; the sealing mechanism is arranged on the stirring tank; large-particle impurities and batting in the air are prevented from entering the foaming machine, and foam is prevented from carrying impurities; raw materials are prevented from flowing back in an inflation pipeline, and the inflation efficiency is improved; the cover body is convenient to take down, inflation is not affected, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of foaming machines, and particularly relates to a polyurethane high-pressure foaming machine. Background Art

[0002] When a polyurethane high-pressure foaming machine is in use, generally high-pressure gas is added to the raw materials for rapid stirring and foaming. Currently, when using a polyurethane high-pressure foaming machine, the air introduced from the outside contains impurities, which will cause more impurities in the generated foam. Moreover, when the polyurethane high-pressure foaming machine inflates the raw materials, the inflation pipeline is easily filled by the backflow of the raw materials, making it difficult to fill the gas, and it is difficult to clean the mixing tank. For this reason, a polyurethane high-pressure foaming machine is proposed. Content of the Utility Model

[0003] The purpose of the utility model is to provide a polyurethane high-pressure foaming machine aiming at the defects and deficiencies of the prior art, which can avoid large-particle impurities and fluffs in the air from entering the foaming machine, and avoid impurities in the foam; avoid the backflow of raw materials in the inflation pipeline, improve the inflation efficiency; make the cover easy to remove and not affect inflation, and improve the practicability.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions: It includes a base, universal wheels, a high-pressure blower, a mixing tank, a cover, a drain pipe, a mixing motor, a turntable, mixing rods, a foam outlet pipe, a filter screen, and a threaded pipe; universal wheels are provided at the four corners of the bottom of the base; a high-pressure blower is fixed on the left side of the upper surface of the base; the high-pressure blower is connected to an external power supply; there are two front and rear air inlet holes on the left side wall of the high-pressure blower; a mixing tank is provided on the base, the bottom of the mixing tank is fixed on the base through support feet, a cover is provided on the mixing tank, a drain pipe is connected through the bottom right side of the circumferential wall of the mixing tank, and a valve is arranged in the drain pipe; a mixing motor is fixed on the base, the mixing motor is connected to an external power supply, the output shaft of the mixing motor passes through the bottom of the mixing tank through a shaft and a sealed bearing and is connected to a turntable, and several mixing rods are fixed on the circumferential wall of the turntable; a foam outlet pipe is connected through the upper right side of the circumferential wall of the mixing tank;

[0005] It further includes:

[0006] Filter screens, the number of the filter screens is two, and they are respectively arranged on the air inlet holes;

[0007] An air supply mechanism, which is arranged in the mixing tank;

[0008] A closing mechanism, which is arranged on the mixing tank.

[0009] Preferably, two threaded pipes are respectively screwed into the air inlet holes by threads, and the filter screens are fixed on the inner circumferential walls of the threaded pipes.

[0010] Preferably, the air supply mechanism includes:

[0011] A first air duct, the first air duct is connected to a high-pressure blower, and the first air duct is inserted into the mixing tank;

[0012] A second air duct, the second air duct is arranged in the mixing tank, the upper front and rear of the annular wall of the second air duct are fixed on the mixing tank through a first connecting rod, and the first air duct and the second air duct are connected through penetration; several upper and lower through holes are opened on the left and right of the annular wall of the second air duct;

[0013] A baffle, the number of the baffles is two, the baffles are arc-shaped structures and are respectively attached to the left and right of the inner annular wall of the second air duct; a connecting ring is fixed at the upper ends of the left and right baffles, and a rotating rod is fixed in the connecting ring;

[0014] A square rod, the square rod is movably inserted into the upper part of the rotating rod;

[0015] A rotating shaft, the rotating shaft is fixed at the upper end of the square rod, and the upper end of the rotating shaft is rotatably inserted into the cover body through a bearing; a first gear is sleeved and fixed on the upper part of the rotating shaft, the first gear is arranged above the mixing tank, a second gear is meshed on the right side of the first gear, and the second gear is rotatably connected to the cover body through a shaft and a bearing; a closing motor is arranged on the second gear, the closing motor is fixed on the cover body through a bracket, and the closing motor is connected to an external power supply; the output shaft of the closing motor is connected to the second gear.

[0016] Preferably, the closing mechanism includes:

[0017] Electric telescopic rods, the number of the electric telescopic rods is several, and they are respectively annularly distributed and fixed on the mixing tank, and the electric telescopic rods are connected to an external power supply; the connecting ends of the electric telescopic rods are connected to a second connecting rod through a shaft and a bearing, and the second connecting rod is in an "L" shape;

[0018] Pressing plates, the number of the pressing plates is several, and they are respectively fixed at the bottoms of the second connecting rods, and the pressing plates abut against the cover body.

[0019] Preferably, a support ring is fixed at the upper end of the annular wall of the mixing tank; a sealing ring is fixed on the inner annular wall of the cover body.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] 1. A filter screen is provided to prevent large-particle impurities and fluff in the air from entering the foaming machine and avoid impurities in the foam;

[0022] 2. An air supply mechanism is provided to prevent the raw materials from flowing back in the inflatable pipeline and improve the inflation efficiency;

[0023] 3. A closing mechanism is provided to make the cover body easy to remove and does not affect inflation, improving the practicability. Brief Description of the Drawings

[0024] Figure 1 is a schematic structural diagram of the present utility model.

[0025] Figure 2 is Figure 1 an enlarged view of part A in

[0026] Figure 3 is a sectional view of the tank body in the present utility model.

[0027] Figure 4 is a schematic structural diagram of the connecting ring, rotating rod, square rod and rotating shaft in the present utility model.

[0028] Figure 5 is Figure 4 an enlarged view of part B in

[0029] Description of the Reference Numerals:

[0030] Base 1, Universal Wheel 2, High-pressure Blower 3, Stirring Tank 4, Cover 5, Drain Pipe 6, Stirring Motor 7, Turntable 8, Stirring Rod 9, Bubble Outlet Pipe 10, Filter Screen 11, Threaded Pipe 12, Air Supply Mechanism 13, First Conduit 13-1, Second Conduit 13-2, Flap 13-3, Connecting Ring 13-4, Rotating Rod 13-5, Square Rod 13-6, Rotating Shaft 13-7, First Gear 13-8, Second Gear 13-9, Closing Motor 13-10, First Connecting Rod 13-11, Sealing Mechanism 14, Electric Telescopic Rod 14-1, Second Connecting Rod 14-2, Pressing Plate 14-3, Support Ring 14-4, Sealing Ring 14-5. Detailed Embodiment

[0031] Next, the technical solutions in the present utility model will be clearly and completely described in conjunction with the drawings. Only the preferred embodiments in the description are taken as examples. All other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present utility model.

[0032] The following technical solutions are adopted in this detailed embodiment:

[0033] Please refer to Figures 1-5, Embodiment 1 of the present invention includes a base 1, universal wheels 2, a high-pressure blower 3, a mixing tank 4, a cover 5, a drain pipe 6, a mixing motor 7, a turntable 8, mixing rods 9, a bubble outlet pipe 10, a filter screen 11, and a threaded pipe 12; universal wheels 2 are provided at the four corners of the bottom of the base 1; a high-pressure blower 3 is fixedly mounted on the left side of the upper surface of the base 1 by bolts; the high-pressure blower 3 is connected to an external power source; two front and rear air inlet holes are provided on the left side wall of the high-pressure blower 3; a mixing tank 4 is provided on the base 1, the bottom of the mixing tank 4 is fixedly mounted on the base 1 through support legs, a cover 5 is provided on the mixing tank 4, the right side of the bottom of the circumferential wall of the mixing tank 4 is connected through penetration with a drain pipe 6, and a valve is provided inside the drain pipe 6; a mixing motor 7 is fixedly mounted on the base 1 by bolts, the mixing motor 7 is connected to an external power source, after the output shaft of the mixing motor 7 passes through the bottom of the mixing tank 4 through a shaft and a sealed bearing in a rotary connection manner, it is connected to a turntable 8, and several mixing rods 9 are fixedly mounted on the circumferential wall of the turntable 8; the right side of the upper end of the circumferential wall of the mixing tank 4 is connected through penetration with a bubble outlet pipe 10;

[0034] It is characterized in that it further includes:

[0035] A filter screen 11, the number of the filter screens 11 is two, and they are respectively arranged on the air inlet holes;

[0036] Threaded pipes 12, the number of the threaded pipes 12 is two, and they are respectively screwed into the air inlet holes through threads, and the filter screen 11 is fixedly mounted on the inner circumferential wall of the threaded pipe 12;

[0037] An air supply mechanism 13, the air supply mechanism 13 is arranged inside the mixing tank 4; the air supply mechanism 13 includes:

[0038] A first air guide pipe 13-1, the first air guide pipe 13-1 is connected to the high-pressure blower 3, and the first air guide pipe 13-1 is inserted into the mixing tank 4;

[0039] A second air guide pipe 13-2, the second air guide pipe 13-2 is arranged inside the mixing tank 4, the front and rear of the upper end of the circumferential wall of the second air guide pipe 13-2 are fixedly mounted on the mixing tank 4 through first connecting rods 13-11, and the first air guide pipe 13-1 is connected to the second air guide pipe 13-2 through penetration; upper and lower several through holes are respectively formed on the left and right of the circumferential wall of the second air guide pipe 13-2;

[0040] Flap plates 13-3, the number of the flap plates 13-3 is two, the flap plates 13-3 are of an arc-shaped structure and are respectively attached to the left and right of the inner circumferential wall of the second air guide pipe 13-2; a connecting ring 13-4 is fixedly mounted at the upper ends of the left and right two flap plates 13-3, and a rotating rod 13-5 is fixedly mounted inside the connecting ring 13-4;

[0041] A square rod 13-6, the square rod 13-6 is movably inserted into the upper part of the rotating rod 13-5;

[0042] The rotating shaft 13-7 is fixed to the upper end of the square rod 13-6. The upper end of the rotating shaft 13-7 is rotatably inserted into the cover body 5 through a bearing. A first gear 13-8 is sleeved and fixed on the upper part of the rotating shaft 13-7. The first gear 13-8 is arranged above the mixing tank 4. A second gear 13-9 is meshed with the right side of the first gear 13-8. The second gear 13-9 is rotatably connected to the cover body 5 through a shaft and a bearing. A closing motor 13-10 is arranged on the second gear 13-9. The closing motor 13-10 is fixed to the cover body 5 through a bracket. The closing motor 13-10 is connected to an external power supply. The specific model of the closing motor 13-10 is directly purchased, installed and used from the market according to actual usage requirements. The output shaft of the closing motor 13-10 is connected to the second gear 13-9.

[0043] A closing mechanism 14 is arranged on the mixing tank 4. The closing mechanism 14 includes:

[0044] A plurality of electric telescopic rods 14-1 are arranged. The electric telescopic rods 14-1 are respectively annularly distributed and fixed on the mixing tank 4. The electric telescopic rods 14-1 are connected to an external power supply. The specific model of the electric telescopic rods 14-1 is directly purchased, installed and used from the market according to actual usage requirements. The connecting end of the electric telescopic rod 14-1 is connected to a second connecting rod 14-2 through a shaft and a bearing. The second connecting rod 14-2 is in an "L" shape structure.

[0045] A plurality of pressing plates 14-3 are arranged. The pressing plates 14-3 are respectively fixed to the bottom of the second connecting rod 14-2. The pressing plates 14-3 abut against the cover body 5.

[0046] A support ring 14-4 is fixed to the upper end of the circumferential wall of the mixing tank 4 through bolts.

[0047] A sealing ring 14-5 is adhesively fixed to the inner circumferential wall of the cover body 5 through glue.

[0048] When using the present utility model, start the electric telescopic rod 14-1 to drive the pressing plate 14-3 to rise, rotate the second connecting rod 14-2 so that the cover body 5 can be taken out, add raw materials into the mixing tank 4, put the cover body 5 back, and insert the square rod 13-6 into the rotating rod 13-5; turn the second connecting rod 14-2 back, start the electric telescopic rod 14-1 to drive the pressing plate 14-3 to descend, so that the pressing plate 14-3 presses on the cover body 5, and the sealing ring 14-5 abuts against the support ring 14-4, so that the cover body 5 is tightly closed.

[0049] Start the high-pressure blower 3. While sending air to the second air duct 13-2 through the first air duct 13-1, start the closing motor 13-10 to make the second gear 13-9 rotate, driving the first gear 13-8 to rotate, making the rotating shaft 13-7 rotate, driving the square rod 13-6 to rotate, and making the baffle 13-3 rotate to expose the through hole, filling high-pressure air into the raw materials in the mixing tank 4. Start the mixing motor 7 to make the mixing rod 9 rotate, driving the raw materials to foam;

[0050] After use, start the closing motor 13-10 to make the baffle 13-3 rotate to block the through hole, and at the same time close the high-pressure blower 3; start the electric telescopic rod 14-1 to drive the pressing plate 14-3 to rise, rotate the second connecting rod 14-2, so that the cover body 5 can be taken out, and clean the inside of the mixing tank 4; unscrew the threaded pipe 12 to clean the filter screen 11.

[0051] Compared with the prior art, the beneficial effects of the present utility model are:

[0052] 1. It is provided with a filter screen 11 to prevent large particle impurities and fluffs in the air from entering the foaming machine, avoiding impurities in the foam;

[0053] 2. It is provided with an air supply mechanism 13 to prevent the raw materials from flowing back in the air-filled pipeline, improving the air-filling efficiency;

[0054] 3. It is provided with a closing mechanism 14 to make the cover body 5 easy to remove and not affect air filling, improving the practicability.

[0055] For those skilled in the art, they can modify the technical solutions recorded in the foregoing embodiments and perform equivalent substitution of some technical features. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A polyurethane high-pressure foaming machine, which comprises a base (1), universal wheels (2), a high-pressure blower (3), a stirring tank (4), a cover body (5), a drain pipe (6), a stirring motor (7), a turntable (8), stirring rods (9), a foam outlet pipe (10), a filter screen (11), and a threaded pipe (12); universal wheels (2) are provided at the four corners of the bottom of the base (1); a high-pressure blower (3) is fixed on the left side of the upper surface of the base (1); the high-pressure blower (3) is connected to an external power supply; there are two front and rear air inlet holes on the left side wall of the high-pressure blower (3); a stirring tank (4) is provided on the base (1), the bottom of the stirring tank (4) is fixed on the base (1) through support feet, a cover body (5) is provided on the stirring tank (4), the bottom right side of the circumferential wall of the stirring tank (4) is connected through and penetrated by a drain pipe (6), and a valve is arranged inside the drain pipe (6); a stirring motor (7) is fixed on the base (1), the stirring motor (7) is connected to an external power supply, the output shaft of the stirring motor (7) is rotatably connected through a shaft and a sealing bearing through the bottom of the stirring tank (4) and then connected to a turntable (8), and several stirring rods (9) are fixed on the circumferential wall of the turntable (8); the upper right side of the circumferential wall of the stirring tank (4) is connected through and penetrated by a foam outlet pipe (10); It is characterized in that It further comprises: Filter screens (11), the number of the filter screens (11) is two, and they are respectively arranged on the air inlet holes; An air supply mechanism (13), the air supply mechanism (13) is arranged inside the stirring tank (4); A closing mechanism (14), the closing mechanism (14) is arranged on the stirring tank (4).

2. The polyurethane high-pressure foaming machine according to claim 1, wherein: Two threaded pipes (12) are respectively screwed into the air inlet holes by threads, and the filter screens (11) are fixed on the inner circumferential walls of the threaded pipes (12).

3. A polyurethane high-pressure foaming machine according to claim 1, characterized in that: The air supply mechanism (13) comprises: A first air duct (13-1), the first air duct (13-1) is connected to the high-pressure blower (3), and the first air duct (13-1) is inserted into the stirring tank (4); A second air duct (13-2), the second air duct (13-2) is arranged inside the stirring tank (4), the front and rear of the upper end of the circumferential wall of the second air duct (13-2) are fixed on the stirring tank (4) through first connecting rods (13-11), and the first air duct (13-1) is connected through and penetrated with the second air duct (13-2); several upper and lower through holes are respectively arranged on the left and right of the circumferential wall of the second air duct (13-2); Flap plates (13-3), the number of the flap plates (13-3) is two, the flap plates (13-3) are of an arc-shaped structure and are respectively attached to the left and right of the inner circumferential wall of the second air duct (13-2); a connecting ring (13-4) is fixed at the upper ends of the left and right flap plates (13-3), and a rotating rod (13-5) is fixed inside the connecting ring (13-4); A square rod (13-6), the square rod (13-6) is movably inserted into the upper part of the rotating rod (13-5); The rotating shaft (13-7), the rotating shaft (13-7) is fixed to the upper end of the square rod (13-6), and the upper end of the rotating shaft (13-7) is rotatably inserted into the cover body (5) through a bearing; a first gear (13-8) is sleeved and fixed on the upper part of the rotating shaft (13-7), the first gear (13-8) is arranged above the mixing tank (4), a second gear (13-9) is meshed with the right side of the first gear (13-8), and the second gear (13-9) is rotatably connected to the cover body (5) through a shaft and a bearing; a closing motor (13-10) is arranged on the second gear (13-9), the closing motor (13-10) is fixed to the cover body (5) through a bracket, the closing motor (13-10) is connected to an external power supply; the output shaft of the closing motor (13-10) is connected to the second gear (13-9).

4. A polyurethane high-pressure foaming machine according to claim 1, characterized in that: The described closing mechanism (14) includes: Electric telescopic rods (14-1), the number of the electric telescopic rods (14-1) is several, and they are respectively fixedly distributed in a ring shape on the mixing tank (4), and the electric telescopic rods (14-1) are connected to an external power supply; the connecting end of the electric telescopic rod (14-1) is connected to a second connecting rod (14-2) through a shaft and a bearing, and the second connecting rod (14-2) is in an "L" shape structure; Pressure plates (14-3), the number of the pressure plates (14-3) is several, and they are respectively fixed to the bottom of the second connecting rod (14-2), and the pressure plates (14-3) are abutted against the cover body (5).

5. The polyurethane high-pressure foaming machine according to claim 4, characterized in that: The support ring (14-4) is fixed to the upper end of the circumferential wall of the mixing tank (4); the sealing ring (14-5) is fixed to the inner circumferential wall of the cover body (5).

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