CN216423219U - Polyurethane high-pressure foaming machine - Google Patents
Polyurethane high-pressure foaming machine Download PDFInfo
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- CN216423219U CN216423219U CN202122615104.1U CN202122615104U CN216423219U CN 216423219 U CN216423219 U CN 216423219U CN 202122615104 U CN202122615104 U CN 202122615104U CN 216423219 U CN216423219 U CN 216423219U
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Abstract
The utility model relates to the technical field of polyurethane foaming, in particular to a polyurethane high-pressure foaming machine, which comprises two raw material tanks and a mixing tank, wherein a first stirring shaft is arranged in the mixing tank, a first driven belt wheel is arranged on the first stirring shaft, a premixing tank is arranged on the side wall of the mixing tank through a mounting frame and is communicated with the mixing tank, a second stirring shaft is arranged in the premixing tank, a second driven belt wheel is arranged on the second stirring shaft, the first driven belt wheel is in transmission connection with the second driven belt wheel through a first transmission belt, a driving motor is arranged on the mixing tank, a driving belt wheel is arranged on an output shaft of the driving motor, the driving belt wheel is in transmission connection with the first driven belt wheel through a second transmission belt, the two raw material tanks are respectively communicated with the premixing tank through a raw material pipeline, a raw material pump is arranged on the raw material pipeline, the utility model has the advantages of reasonable design, can guarantee isocyanate and polyol intensive mixing.
Description
Technical Field
The utility model relates to a polyurethane foaming technical field especially relates to a polyurethane high pressure foaming machine.
Background
Polyurethane is a high molecular polymer generated by isocyanate and polyol through copolymerization reaction, a foaming machine is also called a foam generator, the foaming machine is equipment capable of making chemical raw materials with certain concentration into foam and coagulating the foam into solid, the foaming machine is a core component of polyurethane foam plastic processing equipment, the isocyanate and the polyol are uniformly mixed by the foaming machine according to respective proportions and are sprayed out at high pressure, the mixed raw materials generate violent chemical reaction after meeting air to generate a large amount of foam, so that the volume of the foam is rapidly increased, and the mixed raw materials exposed in the air are coagulated into solid (polyurethane) with a large amount of foam after a period of time.
Current polyurethane foaming machine structure includes two head tanks and compounding jar usually, isocyanate and polyol are stored respectively in two head tanks, two head tanks all communicate with the compounding jar, isocyanate and polyol discharge in the compounding jar after mixing in the compounding jar promptly, foam with the air contact promptly, because the compounding jar volume is great usually, probably lead to isocyanate and polyol to mix inadequately, can't guarantee polyurethane foam's fine density, degree of consistency and closed porosity, if change the volume of compounding jar, then can lead to production efficiency low.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background art, the present invention provides a high pressure polyurethane foaming machine.
In order to realize the above object, the technical scheme of the utility model is that:
a polyurethane high-pressure foaming machine comprises two raw material tanks and a mixing tank, wherein a first stirring shaft is rotatably installed in the mixing tank, a discharge hole is formed in the bottom of the mixing tank, the first stirring shaft penetrates through a top cover of the mixing tank and is connected with a first driven belt pulley, a premixing tank is installed on the side wall of the mixing tank through an installation frame, the volume of the premixing tank is smaller than one third of the volume of the mixing tank, the bottom of the premixing tank is communicated with the mixing tank through a mixing pipeline, a second stirring shaft is rotatably installed in the premixing tank, the second stirring shaft penetrates through the top cover of the premixing tank and is connected with a second driven belt pulley, the first driven belt pulley is in transmission connection with the second driven belt pulley through a first transmission belt, a driving motor is installed on the side wall of the mixing tank, and a driving belt pulley is installed on an output shaft of the driving motor, the driving belt wheel is in transmission connection with the first driven belt wheel through a second transmission belt, the two raw material tanks are communicated with the premixing tank through raw material pipelines respectively, each raw material pump is arranged on each raw material pipeline, a discharging valve is arranged on a discharge port of each mixing tank, each discharging valve is connected with a suction pump through a discharging pipeline, an outlet end of each suction pump is connected with a discharge pipe, and a spray head is arranged on each discharge pipe.
Furthermore, the outer wall of the mixing tank is coated with a heating sleeve.
Furthermore, two head tank, mix jar and suction pump in advance and install on a shallow jointly.
Further, the volume of the premixing tank is one sixth of the volume of the mixing tank.
The utility model has the advantages that: the utility model discloses an add and mix jar in advance, mix jar volume in advance and be less than mixing tank's volume, the raw materials in two feed tanks mixes the back in advance in mixing tank earlier, and further mix in the reentrant mixing tank when guaranteeing production efficiency, can guarantee again that the raw materials mixes evenly, mix jar in advance and mixing tank through a driving motor drive, structural design is reasonable, effective energy saving.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is the utility model discloses well compounding jar, mix the connection structure cross-sectional view of jar in advance.
Description of the figures: 1. raw material tank, 11, raw material pipeline, 12, raw material pump, 2, mixing tank, 21, first (mixing) shaft, 22, first driven pulleys, 23, mounting bracket, 24, baiting valve, 25, baiting pipeline, 26, heating jacket, 3, premix jar, 31, mixing pipeline, 32, second (mixing) shaft, 33, second driven pulleys, 4, first drive belt, 5, driving motor, 51, driving pulley, 6, second drive belt, 7, inhale the material pump, 8, discharging pipe, 81, shower nozzle, 9, the shallow.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.
As shown in fig. 1-2, a polyurethane high-pressure foaming machine comprises two material tanks 1 and a material mixing tank 2, wherein a first stirring shaft 21 is rotatably installed in the material mixing tank 2, stirring blades are arranged on the first stirring shaft 21, a discharge hole is arranged at the bottom of the material mixing tank 2, the first stirring shaft 21 penetrates through the top cover of the material mixing tank 2 and is connected with a first driven pulley 22, the first stirring shaft 21 is rotatably connected with the top cover of the material mixing tank 2 through a bearing, a premixing tank 3 is installed on the outer side wall of the material mixing tank 2 through an installation frame 23, the volume of the premixing tank 3 is less than one third of the volume of the material mixing tank 2, the bottom of the premixing tank 3 is communicated with the material mixing tank 2 through a material mixing pipeline 31, a second stirring shaft 32 is rotatably installed in the material mixing tank 3, the second stirring shaft 32 is parallel to the first stirring shaft 21, stirring blades are arranged on the second stirring shaft 32, the second stirring shaft 32 is rotatably connected with the top cover of the premixing tank 3 through a bearing, the second stirring shaft 32 penetrates through the top cover of the premixing tank 3 and is connected with a second driven belt pulley 33, the first driven belt pulley 22 is in transmission connection with the second driven belt pulley 33 through a first transmission belt 4, a driving motor 5 is installed on the side wall of the mixing tank 2, a driving belt pulley 51 is installed on an output shaft of the driving motor 5, the driving belt pulley 51 is in transmission connection with the first driven belt pulley 22 through a second transmission belt 6, the two raw material tanks 1 are respectively communicated with the upper ends of the premixing tanks 3 through raw material pipelines 11, each raw material pipeline 11 is provided with a raw material pump 12, the raw material pumps 12 are installed on top covers of the raw material tanks 1, discharge valves 24 are arranged on discharge ports of the mixing tank 2, the discharge valves 24 are connected with suction pumps 7 through discharge pipelines 25, outlet ends of the suction pumps 7 are connected with discharge pipes 8, and outlet ends of the discharge pipes 8 are connected with spray heads 81.
In practical application, isocyanate and polyol are stored respectively in two head tanks 1, open two head pumps 12, send into isocyanate and polyol respectively according to certain proportion and mix jar 3 in advance, open driving motor 5, driving motor 5 drives first (mixing) shaft 21 and second (mixing) shaft 32 and rotate, isocyanate and polyol mix the back in advance in jar 3 in advance earlier, the rethread mixes in jar 2 and further mixes, can guarantee that isocyanate and polyol mix evenly, mix the completion back, open suction pump 7, the polyurethane liquid that forms after mixing is by discharging from shower nozzle 81, flow in corresponding mould, alright foam.
In this embodiment, the cladding has heating jacket 26 on the outer wall of compounding jar 2, sets up heating jacket 26, guarantees to mix the effect.
In this embodiment, two head tanks 1, mix jar 3 in advance and inhale material pump 7 and install jointly on a shallow 9, guarantee the convenience that whole device removed.
In this embodiment, mix jar 3 in advance the volume one sixth of the volume of jar 2 for mixing, structural design is reasonable, mixes jar 3 in advance the volume that is far less than jar 2 for mixing, the loading and unloading of being convenient for.
The utility model discloses an add and mix jar 3 in advance, mix jar 3 volume in advance and be less than mixing tank 2's volume, the raw materials in two raw material tanks 1 is earlier mix the back in advance in mixing tank 3 in advance, and the reentrant further mixes in mixing tank 2, when guaranteeing production efficiency, can guarantee again that the raw materials mixes evenly, mix jar 3 in advance and mixing tank 2 through a driving motor 5 drive, structural design is reasonable, effective energy saving.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. A polyurethane high-pressure foaming machine comprises two raw material tanks (1) and a mixing tank (2), wherein a first stirring shaft (21) is rotatably installed in the mixing tank (2), a discharge hole is formed in the bottom of the mixing tank (2), the polyurethane high-pressure foaming machine is characterized in that the first stirring shaft (21) penetrates through a top cover of the mixing tank (2) and is connected with a first driven belt wheel (22), a premixing tank (3) is installed on the side wall of the mixing tank (2) through an installation frame (23), the volume of the premixing tank (3) is smaller than the volume of one third of the mixing tank (2), the bottom of the premixing tank (3) is communicated with the mixing tank (2) through a mixing pipeline (31), a second stirring shaft (32) is rotatably installed in the mixing tank (3), the second stirring shaft (32) penetrates through the top cover of the premixing tank (3) and is connected with a second driven belt wheel (33), the first driven belt wheel (22) is in transmission connection with the second driven belt wheel (33) through a first transmission belt (4), a driving motor (5) is arranged on the side wall of the mixing tank (2), a driving belt wheel (51) is arranged on an output shaft of the driving motor (5), the driving belt wheel (51) is in transmission connection with a first driven belt wheel (22) through a second transmission belt (6), the two raw material tanks (1) are respectively communicated with the premixing tank (3) through raw material pipelines (11), each raw material pipeline (11) is provided with a raw material pump (12), a discharge valve (24) is arranged on a discharge hole of the mixing tank (2), the discharge valve (24) is connected with a suction pump (7) through a discharge pipeline (25), the outlet end of the material suction pump (7) is connected with a material discharge pipe (8), and a spray head (81) is arranged on the material discharge pipe (8).
2. A polyurethane high-pressure foaming machine according to claim 1, wherein the outer wall of the mixing tank (2) is coated with a heating jacket (26).
3. A high-pressure polyurethane foaming machine according to claim 1, wherein the two material tanks (1), the premix tank (3) and the suction pump (7) are mounted together on a cart (9).
4. A polyurethane high pressure foaming machine according to claim 1, wherein the volume of the premixing pot (3) is one sixth of the volume of the mixing pot (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122615104.1U CN216423219U (en) | 2021-10-28 | 2021-10-28 | Polyurethane high-pressure foaming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122615104.1U CN216423219U (en) | 2021-10-28 | 2021-10-28 | Polyurethane high-pressure foaming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216423219U true CN216423219U (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122615104.1U Active CN216423219U (en) | 2021-10-28 | 2021-10-28 | Polyurethane high-pressure foaming machine |
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| CN (1) | CN216423219U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115195007A (en) * | 2022-06-28 | 2022-10-18 | 鹤山澳鸿实业有限公司 | Automatic foaming turntable device |
| CN115195007B (en) * | 2022-06-28 | 2024-09-27 | 鹤山澳鸿实业有限公司 | Automatic foaming turntable device |
-
2021
- 2021-10-28 CN CN202122615104.1U patent/CN216423219U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115195007A (en) * | 2022-06-28 | 2022-10-18 | 鹤山澳鸿实业有限公司 | Automatic foaming turntable device |
| CN115195007B (en) * | 2022-06-28 | 2024-09-27 | 鹤山澳鸿实业有限公司 | Automatic foaming turntable device |
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