CN108437331A - A kind of sponge foam production equipment - Google Patents
A kind of sponge foam production equipment Download PDFInfo
- Publication number
- CN108437331A CN108437331A CN201810298863.XA CN201810298863A CN108437331A CN 108437331 A CN108437331 A CN 108437331A CN 201810298863 A CN201810298863 A CN 201810298863A CN 108437331 A CN108437331 A CN 108437331A
- Authority
- CN
- China
- Prior art keywords
- sponge foam
- driving wheel
- side chain
- carrier bar
- film
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/28—Expanding the moulding material on continuous moving surfaces without restricting the upwards growth of the foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/60—Measuring, controlling or regulating
Landscapes
- Containers And Plastic Fillers For Packaging (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of sponge foam production equipments in sponge foam production field, including conveying bottom carrier bar, the side chain plate moved synchronously is done with conveying bottom carrier bar, side chain plate includes several side chain casees, the drive chamber on top and the Transmission Room of lower part are separated into inside side chain case, motor is equipped in drive chamber, side opening setting of the Transmission Room towards conveying bottom carrier bar, the driving wheel being connect with the output end of motor is equipped in Transmission Room, the outside of driving wheel towards conveying bottom carrier bar is equipped with upper, the shaft of lower two transverse directions, on, it is surrounded with the side film of annular between lower two shafts, driving wheel offsets with side film, multiple air bags are vertically equipped on the inside of the film of side, power supply and switch there are one being all provided in each air bag, multiple power sources in parallel settings, motor is connected with the power supply after parallel connection.The present invention is innovated by the structure to existing side chain plate, enabling to level continuous blowing production sponge foam finished product at the top of overarch, out-of-flatness the problem of carry out good solution.
Description
Technical field
The present invention relates to sponge foam production fields, and in particular to a kind of sponge foam production equipment.
Background technology
The production of plasticized polyurethane strand foam (being commonly called as sponge) both at home and abroad is using polyurethane as major ingredient and some chemical raw materials at present
It is stirred generation chemical reaction, the raw material that is stirred of liquid is tiled by material-dividing groove and continuously flowed into level continuous blowing machine
Conveying bottom carrier bar on, and done with bottom carrier bar the side chain plate moved synchronously jointly with material move ahead.Chemical reaction is that heat release is anti-
It answers, it is thermosetting plastics to have gas generation, polyurethane in reaction product, so, with the conveying of material, chemical reaction generates
Heat material itself is cured, material expand is sponge by the gas of generation, this has been at home and abroad ripe technique.But
It is that, with the gradual upward expansion and solidification of material, the frictional force of side chain plate and material makes plastic foam base product both sides rise
Slowly, centre rises soon, occurs the low intermediate height in both sides after sponge sizing, and apparent arch occurs in upper surface, i.e., at the top of finished product not
Smooth, utilization rate is low, this just substantially reduces the yield rate of sponge product.
Invention content
The invention is intended to provide a kind of sponge foam production equipment, to solve existing sponge foam level continuous blowing
Overarch at the top of finished product in machine production process out-of-flatness the problem of.
In order to achieve the above objectives, basic technology scheme of the invention is as follows：A kind of sponge foam production equipment, including conveying
Bottom carrier bar does the side chain plate moved synchronously positioned at conveying bottom carrier bar both sides with conveying bottom carrier bar, and side chain plate includes several cross
To the side chain case of arrangement, the Transmission Room of the drive chamber and lower part on top is separated into inside side chain case by partition board, is set in drive chamber
There is motor, for Transmission Room towards the side opening setting of conveying bottom carrier bar, Transmission Room is interior to be equipped with the biography being connect with the output end of motor
The outside of driving wheel, driving wheel towards conveying bottom carrier bar is equipped with the shaft of upper and lower two transverse directions, is wrapped between upper and lower two shafts
Have the side film of annular, driving wheel offsets with side film, vertically equipped with multiple air bags on the inside of the film of side, be all provided in each air bag there are one
Power supply and switch, multiple power sources in parallel settings, motor are connected with the power supply after parallel connection.
The principle of this programme is：When practical application, the raw material of sponge foam adds on conveying bottom carrier bar while transmitting
Heat foamable, side chain plate move synchronously the sponge foam formed to raw material and foaming with conveying bottom carrier bar and carry out lateral sizing and auxiliary
Help transmission.Side chain plate is formed by the transversely arranged connection of several side chain casees, and side chain case is for giving birth to sponge foam level continuous blowing
Production process is divided into several segments and carries out auxiliary adjustment, can be foamed by resistance to lateral edges in sponge foam foaming process
The defect to overarch at the top of finished product caused by slowly carries out the real-time adjustment of section type.Power of the drive chamber for mounting and adjusting is defeated
Go out mechanism, i.e. motor, Transmission Room is used to the power that motor exports being converted to the power for being adjusted sponge foam edge, pass
The open side of dynamic room is contacted with the sponge foam in foaming process, and shaft is used to support side film, and side film is used for the sea in foaming
Continuous foam carries out the limit and isolation of side, driving wheel with while film offset output power film to while, so that side film is turned in shaft
It is dynamic to push the sponge foam for being located at both sides of the edge in foaming process upwards so that side chain plate is overcome in sponge foam foaming process
The resistance brought so that the molding sponge foam upper flat of level continuous blowing.
The energy of the power supply as motor in air bag, protection and trigger mechanism of the air bag as power supply, in foaming process
Air bag is squeezed during raw material is expanded to sponge foam, and it is motor power supply to promote power switch to be closed, and vertically arranged
Multiple air bags and parallel connection power supply make when sponge foam is expanded into different height from bottom to up, the quantity in parallel of power supply
It accordingly increases, it is in parallel in this way that total input voltage of motor is made to keep stablizing using multiple identical power supplys, but it is defeated
The electric current entered but gradually increases so that the output power of motor increases, in different fragments for the different expansion speed of sponge foam
Degree can be such that side film rotating speed improves accordingly, enabling carry out two accordingly according to the degrees of expansion of different fragments sponge foam
The upward push of the sponge foam of lateral edges adjusts so that raw in the case of the degrees of expansion difference of the sponge foam of different fragments
The upper top of the sponge foam of production keeps smooth.
The advantages of this programme is：1, it is innovated by the structure to existing side chain plate, enabling horizontal continuity is sent out
Steep production sponge foam finished product at the top of overarch, out-of-flatness the problem of solved；2, innovation by using section type
Side chain case can to sponge foam level continuous blowing overall process carry out section type it is real-time detection in real time adjust, to level
The sponge foam finished product of continuous foamed production can carry out in real time accurately adjustment so that final product quality is more preferable；It 3, can be to not
Sponge foam with degrees of expansion is detected and is converted into corresponding different adjustment power, to the top shape tune of sponge foam
Whole more accurate and effective；4, it is more convenient compared to the side film of traditional perforation level continuous blowing machine using the side film of section type
The adjustment of edge foaming height is carried out by side film, the use cost of side film is lower.
Preferred embodiment one, as a kind of improvement of basic scheme, side chain case direction conveys in the vertical edges of bottom carrier bar side
It is fixed with sealing strip.Setting can be sealed the gap between sides adjacent chain box by sealing strip in this way, avoid foaming
Foaming raw material or sponge foam are caught in the running that side chain plate is influenced in gap in journey.
Preferred embodiment two, preferably one a kind of improvement, driving wheel are internally provided with accommodating chamber, the table of driving wheel
Face is equipped with the through-hole communicated with accommodating chamber, and lubricant is loaded in accommodating chamber.Setting can be on the film of side by driving wheel in this way
Lubricant is coated, the sponge foam that foaming can be reduced by lubricant adheres on the film of side, avoids side film from sponge
The side of sponge foam is pulled bad during being removed on foam so that side film can be recycled, and further decrease making for side film
Use cost.
Preferred embodiment three, preferably two a kind of improvement, side film inside are equipped with vertical support plate, support plate
Plate face is parallel with side film, is provided with vertical groove on the side wall of support plate direction conveying bottom carrier bar, air bag is located in groove.In this way
It is arranged and enables side film to carry out the supporting and shaping of side to the sponge foam in foaming process by support plate, simultaneously supports plate
Support can be provided for air bag, air bag is enable accurately to obtain the expansion status of sponge foam, support plate also can be to driving wheel
It is supported so that the contact that driving wheel can be stablized with side film, the driving side film that driving wheel can be stablized.
Preferred embodiment four, preferably three a kind of improvement, driving wheel have upper and lower two, between two driving wheels
It is surrounded with belt, belt is equipped with several liquid-leadage holes, and belt is contacted with side film.As preferably in this way using belt as driving wheel
With the transition between the film of side, on the one hand can be increased by belt with the contact area of side film, reduce on the film of side unit area by
To the external force of driving wheel, side film is avoided to be transmitted wheel damage, on the other hand the liquid-leadage hole by belt and thereon can will lubricate
Agent is uniformly applied on the film of side so that good can be detached between the side wall of the sponge foam of side film and foaming.
The top of preferred embodiment five, a kind of preferably four improvement, groove is equipped with insurance air bag, insures in air bag
Equipped with discharge cock, discharge cock is connected in the power circuit of motor.The practical foaming according to sponge foam of setting is high in this way
Degree determines height and position of the insurance air bag in groove, then can be triggered after the height of sponge foam in foaming process determines
Insurance air bag makes discharge cock action disconnect the electric power loop of motor so that driving wheel, side film stop operating, and avoid sponge
Driving wheel continues to drive side film to damage the side of sponge foam at a high speed after foam-formed.
Preferred embodiment six, preferably five a kind of improvement are filled with inert gas in air bag.As preferably in this way
The switch in air bag can be protected using inert gas, switch is avoided to be damaged for a long time using rear corrosion.
Description of the drawings
Fig. 1 is the structural schematic diagram of side chain plate in the embodiment of the present invention；
Fig. 2 is the lateral structure schematic diagram of side chain case in the embodiment of the present invention.
Specific implementation mode
Below by the further details of explanation of specific implementation mode：
Reference numeral in Figure of description includes：Side chain case 1, driving wheel 2, driving wheel 3, shaft 4, motor 5, partition board 6,
Insure air bag 7, discharge cock 8, side film 9, groove 10, air bag 11, power supply 12, switch 13, belt 14, liquid-leadage hole 15, support plate
16, sealing strip 17, drive chamber 18, Transmission Room 19, accommodating chamber 20.
Embodiment, a kind of sponge foam production equipment, including conveying bottom carrier bar, positioned at conveying bottom carrier bar both sides and conveying
Bottom carrier bar does the side chain plate moved synchronously, as shown in Figure 1, side chain plate includes several transversely arranged side chain casees 1, side chain case 1
It is fixed with sealing strip 17 on towards the vertical edges of conveying bottom carrier bar side, in conjunction with shown in Fig. 2, is divided by partition board 6 inside side chain case 1
It is divided into the drive chamber 18 on top and the Transmission Room 19 of lower part, is equipped with motor 5 in drive chamber 18, Transmission Room 19 is towards conveying bottom carrier bar
Side opening setting, upper and lower two driving wheels 2 are equipped in Transmission Room 19, driving wheel 2 is internally provided with accommodating chamber 20, transmission
The surface of wheel 2 is equipped with the through-hole communicated with accommodating chamber 20, and lubricant is loaded in accommodating chamber 20.The driving wheel 2 being located above
Top is equipped with the driving wheel 3 being connect with 5 output end of motor, is surrounded with belt 14 between two driving wheels 2, if belt 14 is equipped with
Dry liquid-leadage hole 15, gap of the belt 14 across driving wheel 3 and the driving wheel being located above 2 and simultaneously with driving wheel 3, transmission
2 contact of wheel.Driving wheel 2 towards conveying bottom carrier bar outside be equipped with upper and lower two transverse directions shaft 4, upper and lower two shafts 4 it
Between be surrounded with the side film 9 of annular, side film 9 contacts with belt 14,9 inside of side film equipped with vertical support plate 16, support plate 16
Plate face is parallel with side film 9, and support plate 16 is towards vertical groove 10 is provided on the side wall of conveying bottom carrier bar, in groove 10 vertically
Equipped with multiple air bags 11, it is all provided in each air bag 11 there are one power supply 12 and switch 13, multiple power supplys 12 are arranged in parallel, motor 5
It connects with the power supply 12 after parallel connection, the top of groove 10 is equipped with insurance air bag 7, and discharge cock 8, insurance are equipped in insurance air bag 7
Switch 8 is connected in 12 circuit of power supply of motor 5, and inert gas is filled in air bag 11.The switch 13 of each power supply 12 and
The two poles of the earth of discharge cock 8 are respectively connect with two opposed inner walls of air bag 11.
In the present embodiment, when practical application, raw material liq is poured on conveying bottom carrier bar when producing sponge foam, is being conveyed
Raw material liq is set gradually to be heated in transmission process by the foaming mechanisms of level continuous blowing machine during the carrier bar movement of bottom
Foaming, side chain plate synchronize limit and the auxiliary conveying that side is carried out to the sponge foam in foaming process.Sponge foam is on one side
Volume expansion during foaming on one side is conveyed, top is unrestricted in expansion process, and side is limited by side chain plate, expansion
Sponge foam and constitute side chain plate side chain case 1 between have interaction force, the expansion height of the sponge foam of different location
Difference, it is also corresponding different that the active force on side chain case 1 applies height.It is high according to the foaming of existing sponge foam before production
The position of air bag 7,7 position consistency of insurance air bag in each side chain case 1 so that in side chain plate are insured in degree setting side chain case 1
It is upper to form consistent insurance height, using the signal to shut down as triggering motor.
The application active force of side film 9 in the sponge foam offside chain box 1 expanded in production process, side film 9 and its inside
Support plate 16 carries out the sponge foam of expansion the limit of side, the air bag 11 in 16 upper groove 10 of support plate at extruding by
To crimp so that the switch 13 being located therein is closed, corresponding power supply 12 is connected to motor 5, the rotation driving transmission of motor 5
2 rotation of wheel, driving wheel 2 drive belt 14 to rotate, and the lubricant during driving wheel 2 rotates in inner containment chamber 20 passes through logical
Hole is coated on belt 14, and belt 14 is contacted with side film 9, and belt 14 drives side film 9 to rotate by frictional force, the profit on belt 14
Lubrication prescription is also uniformly applied to the surface of side film 9 simultaneously.Side film 9 rotates under the drive of belt 14, and side film 9 is contacted with sponge foam
One side rotate from bottom to up, assist sponge foam positioned at edge to overcome the resistance and foaming and intumescing that side chain strip comes so that
The upper top edge of sponge foam keeps concordant with middle part in expansion process.Film 9 and sponge when the lubricant on film 9 makes
Will not be mutually bonded between foam, can avoid Conventional process in sponge foam after molding when removing flash trimming film 9 by
The problem of side part sponge foam falls off caused by bonding.
By the way that side chain plate is divided into several side chain casees 1, to the sponge to long range on level continuous blowing production line
Frostproof froth n process be refined as several segments, and the expansion height difference of sponge foam leads to support plate 16 at different fragments
11 quantity of air bag that extruding is received in groove 10 is different so that 12 quantity of power supply in parallel is different, leads to the input current of motor 5
Difference, output power are different, and the velocity of rotation of the side film 9 in different side chain casees 1 is different, to the sponge to different degrees of expansion
The edge of foam provides the upward push of different rates so that the edge of sponge foam upper top remains smooth with middle part.
The height of sponge foam expansion squeezes insurance air bag 7 after reaching insurance height, insures the action cut-out of discharge cock 8 in air bag 7
12 circuit of power supply of motor 5, motor 5 lose supply of electric power and are stopped, and corresponding driving wheel 2, belt 14, side film 9 stop dynamic
Make, the sponge foam to have foamed is discharged under the transport of conveying bottom carrier bar outside level continuous blowing machine, can avoid side film 9 in this way
Perseveration causes the upper top of sponge foam the case where edge is higher than middle part occur.
In the present embodiment, stable working environment can be provided using inert gas to power supply 12 and switch 13 in air bag 11
It is allowed to that the service life is longer, helium etc. can be used in inert gas, and lubricant is for avoiding being bonded in sponge foam foaming process
On side film 9, paraffin, glycerine, animal fat etc. specifically can be used.
Sponge foam production equipment provided in this embodiment can effectively solve the problem that existing sponge foam is sent out with horizontal continuity
Overarch at the top of finished product in bubble machine production process out-of-flatness the problem of, the level continuous blowing of sponge foam can be produced and be carried out
The real-time tracking of section type adjusts, and is not easy glued side film 9 using section type, and the recycling of side film 9 may be implemented,
Cost can be reduced in certain journey.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, also
Several modifications and improvements can be made, these should also be considered as protection scope of the present invention, these all do not interfere with of the invention real
The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the records such as specific implementation mode can be used for explaining the content of claim.
Claims (7)
1. a kind of sponge foam production equipment, including conveying bottom carrier bar, positioned at conveying bottom carrier bar both sides and conveying bottom carrier bar do
The side chain plate moved synchronously, it is characterised in that：The side chain plate includes several transversely arranged side chain casees, in the side chain case
Portion is separated into the Transmission Room of the drive chamber and lower part on top by partition board, and motor, Transmission Room direction conveying bottom are equipped in drive chamber
One side opening of carrier bar is arranged, and the driving wheel being connect with the output end of motor, driving wheel direction conveying bottom chain are equipped in Transmission Room
The outside of plate is equipped with the shaft of upper and lower two transverse directions, and the side film of annular, driving wheel and side are surrounded between upper and lower two shafts
Film offsets, and multiple air bags are vertically equipped on the inside of the film of side, is all provided with that there are one power supply and switch, multiple power sources in parallel in each air bag
Setting, the motor are connected with the power supply after parallel connection.
2. sponge foam production equipment according to claim 1, it is characterised in that：The side chain case direction conveying bottom carrier bar
It is fixed with sealing strip in the vertical edges of side.
3. sponge foam production equipment according to claim 2, it is characterised in that：The driving wheel is internally provided with receiving
Chamber, the surface of driving wheel are equipped with the through-hole communicated with accommodating chamber, lubricant are loaded in accommodating chamber.
4. sponge foam production equipment according to claim 3, it is characterised in that：Vertical support is equipped on the inside of the film of side
The plate face of plate, support plate is parallel with side film, and vertical groove, the air bag are provided on the side wall of support plate direction conveying bottom carrier bar
In groove.
5. sponge foam production equipment according to claim 4, it is characterised in that：The driving wheel has upper and lower two, and two
It is surrounded with belt between a driving wheel, belt is equipped with several liquid-leadage holes, and belt is contacted with side film.
6. sponge foam production equipment according to claim 5, it is characterised in that：The top of the groove is equipped with insurance gas
Capsule, insurance air bag is interior to be equipped with discharge cock, and discharge cock is connected in the power circuit of motor.
7. sponge foam production equipment according to claim 6, it is characterised in that：Indifferent gas is filled in the air bag
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810298863.XA CN108437331B (en) | 2018-03-30 | 2018-03-30 | Sponge foam production facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810298863.XA CN108437331B (en) | 2018-03-30 | 2018-03-30 | Sponge foam production facility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108437331A true CN108437331A (en) | 2018-08-24 |
| CN108437331B CN108437331B (en) | 2020-04-21 |
Family
ID=63199440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810298863.XA Active CN108437331B (en) | 2018-03-30 | 2018-03-30 | Sponge foam production facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108437331B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450334A (en) * | 2019-09-18 | 2019-11-15 | 方文韬 | A kind of novel device for sponge foaming modeling |
| CN111434703A (en) * | 2019-01-12 | 2020-07-21 | 天津市海神聚氨酯制品有限公司 | TDI system soft polyurethane foam plastic product and production method and production system thereof |
| CN111434720A (en) * | 2019-01-12 | 2020-07-21 | 天津市海神聚氨酯制品有限公司 | TDI system soft polyurethane foam plastic product and manufacturing process and production line thereof |
| CN112793070A (en) * | 2020-12-17 | 2021-05-14 | 湖北富斯通新材料科技有限公司 | Edge film lifting device for sponge continuous horizontal foaming system and use method |
| CN113927813A (en) * | 2021-10-20 | 2022-01-14 | 德和科技集团股份有限公司 | Continuous foaming production method of polyurethane plate |
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| CN2228837Y (en) * | 1995-08-14 | 1996-06-12 | 许汉池 | Flat-top structure for continuous foaming machine |
| EP2140994A1 (en) * | 2008-07-03 | 2010-01-06 | Peter Irish | Sponge, its method of manufacture, and apparatus therefor |
| CN206501347U (en) * | 2017-03-03 | 2017-09-19 | 广州伦杰实业有限公司 | A kind of efficient vertical foaming machine for sponges |
| CN206765202U (en) * | 2017-05-19 | 2017-12-19 | 嘉善双杰海绵有限公司 | Continous way sponge foaming device |
| CN207028024U (en) * | 2017-05-23 | 2018-02-23 | 北京航宇保温建材有限公司 | A kind of polyurethane plate foaming machine with cleaning device |
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2018
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2228837Y (en) * | 1995-08-14 | 1996-06-12 | 许汉池 | Flat-top structure for continuous foaming machine |
| EP2140994A1 (en) * | 2008-07-03 | 2010-01-06 | Peter Irish | Sponge, its method of manufacture, and apparatus therefor |
| CN206501347U (en) * | 2017-03-03 | 2017-09-19 | 广州伦杰实业有限公司 | A kind of efficient vertical foaming machine for sponges |
| CN206765202U (en) * | 2017-05-19 | 2017-12-19 | 嘉善双杰海绵有限公司 | Continous way sponge foaming device |
| CN207028024U (en) * | 2017-05-23 | 2018-02-23 | 北京航宇保温建材有限公司 | A kind of polyurethane plate foaming machine with cleaning device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111434703A (en) * | 2019-01-12 | 2020-07-21 | 天津市海神聚氨酯制品有限公司 | TDI system soft polyurethane foam plastic product and production method and production system thereof |
| CN111434720A (en) * | 2019-01-12 | 2020-07-21 | 天津市海神聚氨酯制品有限公司 | TDI system soft polyurethane foam plastic product and manufacturing process and production line thereof |
| CN110450334A (en) * | 2019-09-18 | 2019-11-15 | 方文韬 | A kind of novel device for sponge foaming modeling |
| CN112793070A (en) * | 2020-12-17 | 2021-05-14 | 湖北富斯通新材料科技有限公司 | Edge film lifting device for sponge continuous horizontal foaming system and use method |
| CN113927813A (en) * | 2021-10-20 | 2022-01-14 | 德和科技集团股份有限公司 | Continuous foaming production method of polyurethane plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108437331B (en) | 2020-04-21 |
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