CN1017329B - Apparatus for manufacturing polyurethane foam slabs in batch - Google Patents
Apparatus for manufacturing polyurethane foam slabs in batchInfo
- Publication number
- CN1017329B CN1017329B CN 86104431 CN86104431A CN1017329B CN 1017329 B CN1017329 B CN 1017329B CN 86104431 CN86104431 CN 86104431 CN 86104431 A CN86104431 A CN 86104431A CN 1017329 B CN1017329 B CN 1017329B
- Authority
- CN
- China
- Prior art keywords
- mentioned
- tank diameter
- polyurethane foam
- feed liquid
- pail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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- Polyurethanes Or Polyureas (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The present invention relates to equipment for continuously manufacturing a polyurethane foam block in a batch method, which comprises a cylindrical foaming tank (10), wherein an inlet (11) for injecting foam feed liquor is arranged on the side wall of the tank, an agitating tank (31) for preparing the foam feed liquor is arranged on a transmission carriage (21) capable of moving near the foaming tank, and agitating vanes (32) are arranged in the agitating tank; the feed liquor is discharged from the agitating tank by the inlet to the discharge pipe (34) of the foaming tank; a material is introduced into the pipelines (41 and 43) of the agitating tank and a washing solvent is introduced into the pipeline (42); the foaming tank can be interchangeably connected with the agitating tank by the discharge pipe.
Description
The present invention relates to a kind of equipment of manufacturing polyurethane foam slabs in batch, particularly a kind of equipment of making this foam block in a continuous manner.
The polyurethane foam piece is the very big bulk of size normally, and then cuts into the foam piece of desired thickness or shape, and usually, this foam piece has obtained using widely in indoor design with aspect the gasket material of vehicle.
According to prevailing method, length is to make like this at 30 meters to 40 meters foam block, exactly the polyurethane feed liquid is emitted on the conveyer belt with groove continuously, allows it expand in groove then and forms.The advantage that this method is bigger is to have guaranteed higher production efficiency.
A kind of method that has also partly adopted batch-type to make, wherein, foam material liquid is injected in the large-sized bucket, and feed liquid expands and moulding in bucket.This method not as above-mentioned continuous manufacture, still can be produced in comparatively narrow place aspect production efficiency.According to this method, utilize the bubble pail of corresponding size can make the foam block of required size.For columniform foam block, when it rotates, it is chipped or cuts into slices, just can obtain the long foam piece of length effectively.
But these well-known methods have following shortcoming:
In method for continuous production with the groove conveyer belt, need 30 meters to 60 meters production line, require the space of broad, therefore need with bigger workshop.Because the foam block that obtains according to this method is the foam block of square-section basically, thus slicer back and forth several times cut into slices and just can obtain the foam piece of desired thickness, therefore be difficult to improve output, form big production capacity.In addition, foam block moulding on its end face that cross section is essentially rectangle is irregular, has a coarse surface and a hardened layer.Therefore must on the end face of foam block, cut the end face part of several cm thicks, have the problem of material unaccounted-for (MUF).
Common batch-type autofrettage has the advantage that does not need bulky equipment and big installation site really, but can not show a candle to continuous manufacture aspect production capacity, and therefore important disadvantages is also arranged.
Therefore, the purpose of this invention is to provide a kind of equipment, when employing is produced in batches method, make the polyurethane foam piece in a kind of continuous mode.According to the present invention, can produce poly-amino methyl ethyl ester foam block so that very high production efficiency is a large amount of, and the advantage that has kept common batch process manufacturing system to have simultaneously.
According to the present invention, the equipment that provides a kind of batch-type to make the polyurethane foam piece continuously, this equipment comprises following parts: one has flat and cylindrical bubble pail that the upper end is opened wide; An openable inlet on the bubble pail sidewall is so that make foam material liquid enter into bubble pail by this inlet; One delivery vehicle near bubble pail, this delivery vehicle is removable; A mixture tank diameter that is fixed on the delivery vehicle; Be contained in the stirring vane in the tank diameter; A delivery pipe, this pipe stretches out downwards sideling from the side of tank diameter bottom, and feed liquid is discharged away by this pipe; Polyurethane foam feed liquid component is injected into the pipeline of tank diameter; The cleaning solvent of washing foam material liquid is injected into the pipeline of tank diameter; One is contained in the magnetic valve on the delivery pipe and the drive unit of a mobile delivery vehicle.In this delivery vehicle, the polyurethane foam feed liquid is injected into tank diameter by corresponding pipeline and is subjected to uniform stirring; Mobile then delivery vehicle makes the fore-end of above-mentioned pipeline enter into bubble pail, allows magnetic valve open, and makes foam material liquid flow to bubble pail from tank diameter; Along with delivery vehicle is return, the feed liquid of bubble pail inlet is closed, and when feed liquid was carried out foam expansion and moulding, cleaning solvent was injected into tank diameter by corresponding pipeline, thereby will accumulate in the polyurethane foam feed liquid flush away on the tank diameter inwall.
According to the present invention, can carry out automatically continuously making the polyurethane foam piece in mode in batches, promptly can measure with the feed liquid preparation manipulation of mixed liquor automatically and continuously, feed liquid is injected into the operation of bubble pail and the operation of cleaning tank diameter.According to the present invention, with the common method that is produced in batches relatively, can carry out automatic continuous operation with very high efficient.Adopt common method for making in batches when making the polyurethane foam piece continuously, need to drop into more manpower.
In addition, equipment of the present invention can be installed in quite narrow and small place, and can make columniform polyurethane foam piece in a continuous manner, this columniform foam block has guaranteed to have high production efficiency when cylindrical polyurethane foam piece is cut into slices.Therefore the common equipment of equipment of the present invention and employing groove conveyer belt compares, and tool has an enormous advantage.
Fig. 1 schematically shows the equipment that employing batch process of the present invention is made the polyurethane foam piece;
Fig. 2 is a sectional drawing, shows a kind of improved bubble pail form in equipment of the present invention;
Fig. 3 is a stereogram, shows the cylindrical element of putting into bubble pail as shown in Figure 2;
Fig. 4 A to Fig. 4 C is a sectional drawing, shows the step of utilizing bubble pail shown in Figure 2 to make the polyurethane foam piece.
The equipment of employing batch process manufacturing polyurethane foam piece of the present invention is described with reference to the accompanying drawings.
Among Fig. 1, bubble pail 10 is made drum shape, and it has a upper end and a flat bottom of opening wide.Bubble pail 10 has an inlet 11 on sidewall, an openable door 12 is housed on inlet 11.The feed liquid of bubbling 11 is injected into bubble pail 10 by entering the mouth.This bubble pail places on the not shown turntable, and when turntable rotated, bubble pail can sequential movements.
In addition, an end that is used to clean the cleaning solvent pipeline 43 of feed liquid is connected organic isocyanate component tolerance bucket 36, and the other end is connected to flux bath 44.The groove 45 that holds spent solvent is connected to flux bath 44 by pump 46.
The operation of narration the said equipment below:
When promotion hydraulic cylinder 23 is return, when promptly tank diameter 31 is return, begin to prepare the polyurethane foam feed liquid.More detailed saying, the organic isocyanate component is admitted to tolerance bucket 36 by pipeline 41, is carried out tolerance at this.Then, magnetic valve 38 is opened, and the isocyanate component of the amount of pre-determining is sent to tank diameter 31 by feed pipe 37.Simultaneously, other material as polyol component and catalyst and so on then is transported to tank diameter 31 by pipeline 42.Stirring vane is rotated,, these materials are mixed equably by stirring action.
When promoting hydraulic cylinder 23 and stretch out, tank diameter moves forward to position as shown in Figure 1, makes the front end of delivery pipe 34 11 be inserted into bubble pail 10 by entering the mouth.At this moment, delivery pipe promotes door 12, and door easily is opened.Then, magnetic valve 35 is opened, and the foam material liquid that has prepared in tank diameter is injected in the bubble pail 10 by delivery pipe 34.At this moment, tank diameter 31 turns forward, and foam material liquid is flow in the bubble pail 10 easily.
Promote hydraulic cylinder 23 then and return, so tank diameter 31 returns, door 12 is shut.The expansion of polyurethane foam feed liquid and rising are carried out in bubble pail 10, have therefore obtained the polyurethane foam piece of wishing.
During the polyurethane foam piece forms in bubble pail 10, when tank diameter is in the pull-out location, the feed liquid washing that is deposited on tank diameter 31 and tolerance bucket 36 inwalls is removed.Promptly start pump 46, make cleaning solvent be extracted into tolerance bucket 36 by pipeline 43, flow into tank diameter 31 then, make groove be full of solvent by bucket 41.Stirring vane 32 is rotated, make the feed liquid dissolving that remains on tank diameter 31 inwalls.Afterwards, electromagnetic valve 35 is opened, solvent is emitted by delivery pipe 34, the feasible feed liquid that remains on the delivery pipe inwall also is washed removes.Spent solvent is drawn back flux bath in order to recycling again with pump 46 after flowing into groove 45.
After washing process is finished, prepare foam material liquid by aforesaid operation again again.Rotate not shown turntable, the bubble pail 10 that feed liquid is housed is removed, and be set on the turntable another bubble pail as the position of scheming expression.Like this, just can adopt above-mentioned same continuous process manufacturing to gather amino methyl ethyl ester foam block.
According to the present invention, the equipment of making the polyurethane foam piece can be installed in quite narrow and small place.And can make columniform foam block continuously with batch process, and therefore compare with common batch process manufacturing installation, improved output significantly.
Though in the above-described embodiment, bubble pail is illustrated as has columniform shape, and it also can have any other suitable shape, for example has cubical shape.
As bubble pail, can adopt a kind of like this structure, in this structure, in the expansion process of feed liquid, expanding noodles is raise together in company with corresponding inwall on it.
Fig. 2 is a sectional drawing, shows a kind of bubble pail of making the polyurethane foam piece according to employing batch process of the present invention.Large-sized cylindrical shape bucket 51 has a upper end and a flat bottom of opening wide among Fig. 2, as common structure.Cylindrical part 52 two ends as shown in Figure 3 all opens wide, and it is placed in the columnar bucket like this, makes it to slide along the madial wall of cylindrical shape bucket.Rope 53 is tied to the upper end of cylindrical element 52,, will will reel or put upside down, cylindrical element 52 can be promoted freely or puts down around the rope on the pulley 54 by a not shown motor.The height H that this be should also be noted that cylindrical element 52 is advisable with 20～60 centimetres usually.
When adopting equipment batch process of the present invention to make the polyurethane foam piece, with film releasing agent coated on the inwall of cylindrical shape bucket 51, as with common bubble pail, releasing agent or mould release film also coated on the inwall of cylindrical element 52.
When the polyurethane foam feed liquid is discharged in the bubble pail while being subjected to stirring action, its rising of under the moulding effect, expanding.Shown in Fig. 4 A, cylindrical element 52 is with the surface portion contact of the feed liquid 55 that is rising, and shown in Fig. 4 B, cylindrical element 52 is raised with the speed identical with the rate of climb.After the rising of the feed liquid face under expansion stopped, shown in Fig. 4 C, cylindrical element was raised up.
Therefore, even because the expansion of feed liquid, feed liquid moves towards last, but is not producing any frictional resistance near the feed liquid face with the bubble pail part that cylindrical element 52 contacts.In the side of the foam block that generates, the expansion of feed liquid is not subjected to any obstruction, and the feed liquid face can not reduce.Just because of adopt the present invention can not produce such shortcoming, so may make the cylindrical polyurethane foam piece shown in Fig. 4 C with flat top surface.
Adopt batch process to make cylindrical polyurethane foam piece though the present invention is stated as, it also can adopt the polyurethane foam piece of the bubble pail manufacturing prism shape of respective shapes.
In the above-described embodiments, though adopted the device that promotes cylindrical element 52, it can replace with other any suitable device.
As mentioned above, adopt device of the present invention to utilize batch process can make continuously the polyurethane foam piece, so this equipment have the intrinsic advantage of batch process manufacturing system. With common batch process manufacturing system relatively, this equipment also may improve production capacity, increases output. In addition, according to the present invention, be used for bubble pail that batch process makes the polyurethane foam piece and can not expand and raises any frictional resistance of generation along the inner surface of bubble pail foam material liquid. Therefore may make the cylindrical polyurethane foam piece with flat top surface.
Claims (3)
1, a kind of equipment that adopts batch process to make the polyurethane foam piece is characterized in that it comprises following parts: have flat bottoms and the unlimited cylindrical bubble pail in upper end; One openable inlet is arranged on the sidewall of bubble pail, and by this inlet, the polyurethane foam feed liquid is injected into bubble pail; One delivery vehicle near bubble pail, makes that it is transportable; Be installed in the tank diameter that stirs the mixture on the delivery vehicle; Be installed in the stirring vane in the tank diameter; From the delivery pipe that stretch out sideling side, tank diameter bottom, make feed liquid discharge downwards by this delivery pipe; Polyurethane foam feed liquid component is incorporated into the pipeline of tank diameter; The cleaning solvent of washing polyurethane foam feed liquid is incorporated into the pipeline of tank diameter; Be installed in magnetic valve and the drive unit that drives delivery vehicle on the delivery pipe.
2, a kind of equipment according to claim 1, it is characterized in that, it also comprises a drive unit that is connected with above-mentioned tank diameter, above-mentioned tank diameter is journaled on the turning cylinder with respect to above-mentioned delivery vehicle horizontal positioned, above-mentioned drive unit makes that tank diameter can be around above-mentioned turning cylinder swing, therefore, when the above-mentioned polyurethane foam feed liquid in above-mentioned tank diameter flows into above-mentioned bubble pail, above-mentioned tank diameter will tilt, and make the polyurethane foam feed liquid easily flow in the bubble pail.
3, a kind of equipment according to claim 1, it is characterized in that, it also comprises a kind of cylindrical element, this cylindrical element upper and lower end parts is all opened wide and is placed in the above-mentioned bubble pail, make cylindrical element to be raised along the madial wall of above-mentioned bubble pail, wherein, when the above-mentioned polyurethane in flowing into above-mentioned bubble pail expands, above-mentioned cylindrical element is along with above-mentioned polyurethane foam feed liquid moves towards last, and the degree that moves is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86104431 CN1017329B (en) | 1986-07-02 | 1986-07-02 | Apparatus for manufacturing polyurethane foam slabs in batch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86104431 CN1017329B (en) | 1986-07-02 | 1986-07-02 | Apparatus for manufacturing polyurethane foam slabs in batch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN86104431A CN86104431A (en) | 1988-01-13 |
| CN1017329B true CN1017329B (en) | 1992-07-08 |
Family
ID=4802464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86104431 Expired CN1017329B (en) | 1986-07-02 | 1986-07-02 | Apparatus for manufacturing polyurethane foam slabs in batch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1017329B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1392916B1 (en) * | 2009-02-06 | 2012-04-02 | Fb Design Srl | DEVICE AND PROCEDURE FOR THE INJECTION OF MATERIAL FILLING WITHIN BOATS |
| CN110480906A (en) * | 2019-08-22 | 2019-11-22 | 杭州煜伟科技有限公司 | A kind of polyurethane foam pad compression set based on ratchet principle |
-
1986
- 1986-07-02 CN CN 86104431 patent/CN1017329B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN86104431A (en) | 1988-01-13 |
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| C13 | Decision | ||
| GR02 | Examined patent application | ||
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