CN205097442U - Rigid polyurethane negative pressure mould pressing foaming device - Google Patents
Rigid polyurethane negative pressure mould pressing foaming device Download PDFInfo
- Publication number
- CN205097442U CN205097442U CN201520862083.5U CN201520862083U CN205097442U CN 205097442 U CN205097442 U CN 205097442U CN 201520862083 U CN201520862083 U CN 201520862083U CN 205097442 U CN205097442 U CN 205097442U
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- CN
- China
- Prior art keywords
- mould
- foaming
- pipeline
- negative pressure
- accumulator
- 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.)
- Withdrawn - After Issue
Links
- 238000005187 foaming Methods 0.000 title claims abstract description 61
- 238000003825 pressing Methods 0.000 title claims abstract description 7
- 229920002635 polyurethane Polymers 0.000 title abstract description 11
- 239000004814 polyurethane Substances 0.000 title abstract description 11
- 239000006260 foam Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000000740 bleeding effect Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229920005830 Polyurethane Foam Polymers 0.000 abstract description 5
- 239000011496 polyurethane foam Substances 0.000 abstract description 5
- 238000004146 energy storage Methods 0.000 abstract 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 206010000269 abscess Diseases 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a rigid polyurethane negative pressure mould pressing foaming device, including the vacuum pump, the energy storage ware, automatically controlled operation panel, total pipeline, the vacuum pump passes through the pipeline and is connected with the energy storage ware, the energy storage ware passes through the pipeline and is connected with the foaming mold utensil, be equipped with filter no. 1 between vacuum pump and the energy storage ware, pressure switch is equipped with on the energy storage ware, the energy storage ware is equipped with the stop valve with the head end of foaming mold utensil connecting tube, be equipped with automatically controlled valve on the pipeline between stop valve and foaming mold utensil, the choke valve, a filte, one side of foaming mold utensil is equipped with the trompil of short mould strip, the trompil of short mould strip is through connect and the pipe connection soon, it prevents ejection of compact sealing member to be equipped with in the horizontal bar pipeline of short mould strip trompil. The utility model discloses can realize polyurethane mould pressing foaming under negative pressure, reduce the standard requirement of polyurethane feed stream mobility, reduce polyurethane materials's input amount, shorten the time that the die cavity was filled to the material, foaming foam flow mobility is good, and the polyurethane foam who obtains is with low costs, of high quality, and production efficiency is high.
Description
Technical field
The utility model relates to hard polyurethane foams moulded from foam equipment technical field, particularly relates to a kind of hard polyaminoester negative pressure moulded from foam device.
Background technology
It is all carry out under normal pressure that hard polyurethane foams moulded from foam of the prior art is produced.Two component mixing material raw material reacts in die cavity, increasing gradually and discharging a large amount of gas and heat along with volume during foaming, flow resistance in mixed material foaming die cavity increases gradually under the impact being subject to pressure increase in die cavity, this structure Problems existing is, the existence of foaming resistance can produce larger impact to goods quality, froth, have impact on the mobility of mixed material, occur material lack of fill or foam density skewness Uniform phenomenon.The moulded from foam of prior art is produced and all be there is following several shortcoming in addition: 1, polyurethane compound is owing to itself existing too fast polymerization rate, and cause material viscosity to increase too fast, the mobility of material reduces greatly.Gas can not arranged, constricted flow in die cavity, easily forms surface or local cavity, brings impact to the heat insulating ability of foam and outward appearance; 2, the polymerization rate that polyurethane materials is too fast, gas extraction system is not smooth, causing material to start wire drawing when not being full of die cavity, causing in die cavity and not being full of by foam.
Utility model content
The utility model is exactly to solve the technical problem existed above, provides a kind of hard polyaminoester negative pressure moulded from foam device; The utility model structure is simple, polyurethane moulded from foam under negative pressure state can be realized, greatly reduce the standard-required of urethane raw mobility, reduce the input amount of polyurethane materials, shorten the time that material fills die cavity, the mobility of foam during enhanced foaming, foam density is evenly distributed, and abscess is thin, intensity is high, dimensionally stable is good, and the polyurethane foam cost obtained is low, quality good, and production efficiency is high.
The utility model solves the technical scheme that its technical problem adopts:
A kind of hard polyaminoester negative pressure moulded from foam device, comprise vavuum pump, accumulator, electrical control cubicles, total pipeline, described vavuum pump is connected with accumulator by pipeline, described accumulator is connected with foaming mould by pipeline, filter one is provided with between described vavuum pump and accumulator, accumulator is equipped with pressure switch, regulate different pressures by pressure switch and control the start and stop of vaccum pump motor, described accumulator is connected total pipeline with foaming mould and is provided with stop valve, pipeline between stop valve and foaming mould is provided with electrically-controlled valve, choke valve, filter, the side of described foaming mould is provided with the perforate of short mould bar, the perforate of described short mould bar is connected with pipeline by quick union, anti-discharging seal is provided with in the horizontal stripe pipeline of described short mould bar perforate, foaming mould is provided with sprue.
The top periphery of described foaming mould is provided with the 3mm sealing strip exceeding sealing surface on mould, and before dnockout, sprue high-pressure foam machine gun head is blocked, and in foaming, machine gun head place is provided with seal washer, forms confined space after mold pressing.
Described electrical control cubicles is provided with starting switch of bleeding, shutdown switch of bleeding, time controller, according to the size of different foaming plate in mould one, mould two, by time controller set negative-pressure foaming time length, to adapt to the plate foaming of different size, the electrically-controlled valve be connected with electrical control cubicles when reaching the foamed time of setting is closed, and completes the object reaching negative-pressure foaming.Vavuum pump is bled within the set time, and the setting of pumpdown time is according to the volume of die cavity, the pumping speed of vavuum pump and foaming wire drawing time during foaming, reaches the object of negative-pressure foaming within the time arranged.
Described foaming mould comprises the mould one, the mould two that are set up in parallel, described mould one, mould two are connected with total pipeline respectively by respective branch pipe(tube), branch pipe(tube) is respectively equipped with electrically-controlled valve, choke valve, filter two, the head end of respective branch pipe(tube) is located at respectively by electrically-controlled valve, choke valve, filter two, control the pumping action of mould one, mould two respectively, sprue one is located at the side of mould one, and sprue two is located at the corresponding side of mould two.
Electronic control operating floor adopts Non-follow control and automatically controls two kinds of patterns, carries out independent control respectively to the startup of bleeding of mould one, mould two, stopping.
The beneficial effects of the utility model
1. the utility model structure is simple, polyurethane moulded from foam under negative pressure state can be realized, greatly reduce the standard-required of urethane raw mobility, reduce the input amount of polyurethane materials, shorten the time that material fills die cavity, the mobility of foam during enhanced foaming, foam density is evenly distributed, and abscess is thin, intensity is high, dimensionally stable is good, and the polyurethane foam cost obtained is low, quality good, and production efficiency is high.
2. the top periphery of foaming mould is provided with the sealing strip exceeding sealing surface on mould, before dnockout, sprue high-pressure foam machine gun head is blocked, in foaming, machine gun head place is provided with seal washer, confined space is formed after mold pressing, equipment good airproof performance, ensure the parameter of production technology, ensure product quality and qualification rate.
3. electronic control operating floor is provided with startup of bleeding, shutdown switch, time controller, according to the mould one of setting parallel with one another, the size of different foaming plate in mould each different mould second-class, electronic control operating floor adopts Non-follow control and automatically controls two kinds of patterns, respectively to mould one, the startup of bleeding of mould two, stop carrying out independent control, the time length of different mould negative-pressure foaming is set by time controller, to adapt to the plate foaming of different size, when reaching the foamed time of setting, electrically-controlled valve is closed, complete the object reaching negative-pressure foaming, manipulation between each mould is non-interference, manipulation is convenient, accuracy is high, equipment interoperability is good, improve utilization rate of equipment and installations, reduce manufacturing cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1, vavuum pump, 2, filter one, 3, accumulator, 4, pressure switch, 5, stop valve, 6, electrical control cubicles, 7, electrically-controlled valve, 8, choke valve, 9, pipeline, 10, anti-discharging seal, 11, mould one, 12, mould two, 13, filter two, 14, branch pipe(tube) one, 15, branch pipe(tube) two, 16, sprue one, 17, sprue two.
Detailed description of the invention
In order to understand the utility model better, explain embodiment of the present utility model in detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of hard polyaminoester negative pressure moulded from foam device, comprise vavuum pump 1, accumulator 3, electrical control cubicles 6, electrically-controlled valve 7, choke valve 8, total pipeline 9, described vavuum pump 1 is connected with accumulator 3 by total pipeline 9, described accumulator 3 is connected with foaming mould by total pipeline 9, be provided with filter 1 between described vavuum pump 1 and accumulator 3, accumulator 3 be equipped with pressure switch 4, regulate different pressures by pressure switch 4 and control the start and stop of vavuum pump 1 motor.Described accumulator 3 is connected total pipeline 9 head end position with foaming mould is provided with stop valve 5, pipeline between stop valve 5 and foaming mould is provided with electrically-controlled valve 7, choke valve 8, filter 2, the side of described foaming mould is provided with the perforate of short mould bar, the perforate of described short mould bar is connected with total pipeline 9 by quick union, anti-discharging seal 10 is provided with in the horizontal stripe pipeline of described short mould bar perforate, the effect of anti-discharging seal is that when preventing foaming from putting in place when not affecting exhaust, foamed material enters in pipeline, and foaming mould is provided with sprue.
Described foaming mould comprises the mould 1, the mould 2 12 that are set up in parallel, described mould 1, mould 2 12 are connected with total pipeline 9 respectively by respective branch pipe(tube) 1, branch pipe(tube) 2 15, branch pipe(tube) is respectively equipped with electrically-controlled valve 7, choke valve 8, filter 2 13, the head end of respective branch pipe(tube) is located at respectively by electrically-controlled valve 7, choke valve 8, filter 2 13, controls the pumping action of mould 1, mould 2 12 respectively.Sprue comprises sprue 1, sprue 2 17, and sprue 1 is located at the side of mould 1, and sprue 2 17 is located at the corresponding side of mould 2 12.
The top periphery of described foaming mould is provided with the 3mm sealing strip exceeding sealing surface on mould, and before dnockout, sprue 1, sprue 2 17 high-pressure foam machine gun head are blocked, and in foaming, machine gun head place is provided with seal washer, forms confined space after mold pressing.Equipment good airproof performance, ensures the parameter of production technology, ensures product quality and qualification rate.
Described electrical control cubicles 6 is provided with startup of bleeding, shutdown switch of bleeding, time controller, according to the size of different foaming plate in mould 1, mould 2 12, by time controller set negative-pressure foaming time length, to adapt to the plate foaming of different size, the electrically-controlled valve 7 be connected with electrical control cubicles when reaching the foamed time of setting is closed, and completes the object reaching negative-pressure foaming.Vavuum pump is bled within the set time, and the setting of pumpdown time determines according to process conditions such as the volume of die cavity, the pumping speed of vavuum pump and foaming wire drawing times during foaming, guarantees the quality requirement reaching negative-pressure foaming within the time arranged.
Electrical control cubicles 6 adopts Non-follow control and automatically controls two kinds of patterns, carries out independent control respectively to reach to the startup of bleeding of mould 1, mould 2 12, stopping.
By reference to the accompanying drawings the detailed description of the invention of utility model is described although above-mentioned; but the restriction not to the utility model protection domain; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (5)
1. a hard polyaminoester negative pressure moulded from foam device, it is characterized in that, comprise vavuum pump, accumulator, electrical control cubicles, total pipeline, described vavuum pump is connected with accumulator by pipeline, described accumulator is connected with foaming mould by pipeline, filter one is provided with between described vavuum pump and accumulator, accumulator is equipped with pressure switch, regulate different pressures by pressure switch and control the start and stop of vaccum pump motor, described accumulator is connected total pipeline with foaming mould and is provided with stop valve, pipeline between stop valve and foaming mould is provided with electrically-controlled valve, choke valve, filter, the side of described foaming mould is provided with the perforate of short mould bar, the perforate of described short mould bar is connected with pipeline by quick union, anti-discharging seal is provided with in the horizontal stripe pipeline of described short mould bar perforate, foaming mould is provided with sprue.
2. hard polyaminoester negative pressure moulded from foam device as claimed in claim 1, it is characterized in that, the top periphery of described foaming mould is provided with the 3mm sealing strip exceeding sealing surface on mould, before dnockout, sprue high-pressure foam machine gun head is blocked, in foaming, machine gun head place is provided with seal washer, forms confined space after mold pressing.
3. hard polyaminoester negative pressure moulded from foam device as claimed in claim 1, it is characterized in that, described foaming mould comprises the mould one, the mould two that are set up in parallel, described mould one, mould two are connected with total pipeline respectively by respective branch pipe(tube), branch pipe(tube) is respectively equipped with electrically-controlled valve, choke valve, filter two, the head end of respective branch pipe(tube) is located at respectively by electrically-controlled valve, choke valve, filter two, control the pumping action of mould one, mould two respectively, sprue one is located at the side of mould one, and sprue two is located at the corresponding side of mould two.
4. hard polyaminoester negative pressure moulded from foam device as claimed in claim 3, it is characterized in that, described electrical control cubicles is provided with starting switch of bleeding, shutdown switch of bleeding, time controller, according to the size of different foaming plate in mould one, mould two, by time controller set negative-pressure foaming time length, to adapt to the plate foaming of different size, when reaching setting foamed time, the electrically-controlled valve that is connected with electrical control cubicles is closed.
5. hard polyaminoester negative pressure moulded from foam device as claimed in claim 1, is characterized in that, electronic control operating floor adopts Non-follow control and automatically controls two kinds of patterns, carries out independent control respectively to the startup of bleeding of mould one, mould two, stopping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520862083.5U CN205097442U (en) | 2015-10-31 | 2015-10-31 | Rigid polyurethane negative pressure mould pressing foaming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520862083.5U CN205097442U (en) | 2015-10-31 | 2015-10-31 | Rigid polyurethane negative pressure mould pressing foaming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205097442U true CN205097442U (en) | 2016-03-23 |
Family
ID=55513252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520862083.5U Withdrawn - After Issue CN205097442U (en) | 2015-10-31 | 2015-10-31 | Rigid polyurethane negative pressure mould pressing foaming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205097442U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216208A (en) * | 2015-10-31 | 2016-01-06 | 山东合力冷冻设备有限公司 | Hard polyaminoester negative pressure moulded from foam device |
| CN114055695A (en) * | 2020-08-01 | 2022-02-18 | 袁胜凡 | Manufacturing method of TPU foamed tire and wheel using same |
-
2015
- 2015-10-31 CN CN201520862083.5U patent/CN205097442U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216208A (en) * | 2015-10-31 | 2016-01-06 | 山东合力冷冻设备有限公司 | Hard polyaminoester negative pressure moulded from foam device |
| CN114055695A (en) * | 2020-08-01 | 2022-02-18 | 袁胜凡 | Manufacturing method of TPU foamed tire and wheel using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160323 Effective date of abandoning: 20180327 |