CN206501416U - One kind blowing foaming air channel process equipment - Google Patents
One kind blowing foaming air channel process equipment Download PDFInfo
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- CN206501416U CN206501416U CN201720198293.8U CN201720198293U CN206501416U CN 206501416 U CN206501416 U CN 206501416U CN 201720198293 U CN201720198293 U CN 201720198293U CN 206501416 U CN206501416 U CN 206501416U
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- air channel
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Abstract
The utility model discloses one kind blowing foaming air channel process equipment, the equipment includes the plastic pellet added with foaming agent can carry out the feeder of uniform stirring simultaneously during conveying, feeder has hopper and feeding spiro rod, the end of feeder is connected with extruder, extruder includes accumulator and extruding dies, the mouth mold of extruder is relative with the air flue mold for formed automobile air channel to be connect, blow needle for air blowing is installed on air flue mold, and pre- gas hole is machined with the die head of air flue mold.The utility model technique is advanced, and production process is simple, can improve traditional air chute wind and make an uproar greatly, heat-proof quality difference and the big defect of weight, can be effectively facilitated the improvement of vehicle loss of weight noise reduction.
Description
Technical field
The utility model is related to a kind of forming technique of auto parts and components, the shaping skill of more particularly to a kind of car duct
Art, specifically a kind of blowing foaming air channel process equipment.
Background technology
With the continuous enhancing of national awareness of environment protection, global major automobile factory's energy-conserving and environment-protective consciousness increase therewith, constantly grind
Study carefully exploitation environmental protection, energy-saving and emission-reduction create novel, safety and comfort, lightweight, cost has competitive advantage, promote the well-being of mankind and
The new model of descendants.Increase along with worldwide motor vehicle, gasoline consumption figure is also increasing.Saving loss of weight is also
The direction of major main engine plants effort.With demand more and more higher of the consumer to automobile, to in-car air quality also more
Concern.Reduce in-car formaldehyde emissions and peculiar smell is imperative.
Car duct is to be transported to passenger compartment from air conditioner box system cold wind or hot blast, to refrigeration in passenger compartment or heating,
The pipeline that can also be also defrosted simultaneously to front windshield and left and right sides glass.In the prior art, blowing expanded material is than tradition
Construct blow-molded has the advantages that lightweight, noise reduction, reduces abnormal sound, thermal performance and heat-proof quality more preferably, therefore blowing is foamed
Technology is applied and popularized to car duct application, can preferably promote the improvement of vehicle loss of weight noise reduction.
The content of the invention
Technical problem to be solved in the utility model is in view of the above-mentioned state of the art, and to provide plastics blow molding
Foam process is applied to car duct, is made an uproar greatly with improving traditional air chute wind, a kind of blowing of heat-proof quality difference and the big defect of weight
Foam air channel process equipment.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：One kind blowing foaming air channel technique is set
Standby, the equipment includes the plastic pellet added with foaming agent can carry out the feeding of uniform stirring simultaneously during conveying
Machine, feeder has the hopper for being used to deliver added with foaming agent plastic pellet and rotated the plastic pellet and foaming agent
The feeding spiro rod conveyed while stirring, the end of described feeder is connected with extruder, and described extruder, which includes, to be sent
The plastic pellet heating of material screw rod transmission, which is melt into the accumulator of plastic liquid and extrudes the plastic liquid in accumulator, sprays
The pressing mechanism that is shot out and reach the extruding dies that can be closed automatically after design requirement, extrusion in the shot of plastic liquid
The mouth mold of machine is relative with the air flue mold for formed automobile air channel to be connect, and the blow needle for air blowing is provided with the air flue mold,
And pre- gas hole is machined with the die head of air flue mold.
For optimization above-mentioned technical proposal, the measure taken also includes：
Above-mentioned accumulator is designed with back pressure adjustment mechanism.
Compared with prior art, a kind of blowing foaming air channel process equipment of the present utility model, can be plastic foamed by allowing,
The car duct of shaping is set to be internally formed hollow honeycomb, this structure can greatly reduce the close of car duct
Degree, and blowing foaming air channel can be than traditional air chute loss of weight 40% under same thickness.The honeycomb knot hollow due to being internally formed
Structure, therefore good heat-blocking action can be played to air channel, can preferably eliminate wind and make an uproar effect, improve car duct condensation water-setting
Phenomenon is tied, the usage amount of traditional air chute foam is reduced, so as to reduce the pollution to environment inside car.The utility model technique is advanced,
Production process is simple, can improve traditional air chute wind and make an uproar greatly, heat-proof quality difference and the big defect of weight, can be effectively facilitated vehicle and subtract
The improvement of weight noise reduction.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is to apply process chart of the present utility model.
Embodiment
Embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 and Fig. 2 is the structure and process flow diagram of the utility model embodiment.
A kind of blowing foaming air channel process equipment of the present utility model, the equipment is included the plastic pellet added with foaming agent
Son can carry out the feeder 1 of uniform stirring simultaneously during conveying, and feeder 1 has to be used to deliver is added with foaming agent
Plastic pellet hopper 11 and the rotation feeding spiro rod 12 that conveys the plastic pellet and foaming agent while stirring, feeder
1 end is connected with extruder 2, and extruder 2 includes the plastic pellet heating for conveying feeding spiro rod 12 and is melt into plastics stream
The accumulator of body and the pressing mechanism for ejecting the plastic liquid extruding in accumulator and the shot in plastic liquid
Reach the extruding dies that can be closed automatically after design requirement, the mouth mold of extruder and the air flue mold for formed automobile air channel
3 connect relatively, the blow needle for air blowing are provided with the air flue mold 3, and pre- air blowing is machined with the die head of air flue mold 3
Hole.
Embodiment one：
Using a kind of blowing foaming air channel technique of this equipment, the technique comprises the following steps：
A), by blowing plastic pellet and foaming agent 98.5-99.5 in mass ratio：1.5-0.5 formula it is mixed than good；It is above-mentioned
Plastic pellet be high density polyethylene (HDPE) particle HDPE, above-mentioned foaming agent is the sodium bicarbonate and lemon mixed in advance in specific proportions
The mixture of lemon acid derivative；
B), the above-mentioned plastic pellet added with foaming agent is dosed into feeder, plastic pellet and foaming agent are in feeding
In the presence of machine, it is transported to while fully being stirred evenly in extruder.
C), the plastic pellet added with foaming agent is transported in the accumulator of extruder, and is heated in accumulator
Melt to the plastic liquid of molten condition；The micro foaming in the confined space of accumulator of described foaming agent is dissolved in molten
In the plastic liquid of state；The heating-up temperature of described accumulator is 155 DEG C -180 DEG C；
D), the extrusion mechanism downward actuation of extruder, while the mouth mold of extruder is opened, extrusion mechanism is by accumulator
Injected dissolved with the plastic liquid of foaming agent in 110bar to the 130bar mouth mold for projecting extruded machine under pressure in air flue mold
The foaming agent in air channel pipe, the air channel pipe is extruded in the situation without external pressure, touches and starts second time of foaming after air, should
The time of second time of foaming is 5 seconds to 12 seconds；
E), air flue mold is after the shot of plastic liquid reaches regulation requirement, the wind during second time of foaming is carried out
Locked mode pressure ShiShimonoseki locking mould of the road mould in 65bar to 75bar；
F), air flue mold is closed after locked mode, pre- blowing nozzle in air flue mold on die head and on air flue mold
Blow needle starts the air channel pipe into air flue mold with 0.4bar to 1.2bar blow gas pressure and blown, and air channel pipe is in air channel
It is the internal wind channel tube preform with hollow honeycomb that foaming is blow molded in mould；
G), above-mentioned wind channel tube preform is entered into after material folding to shape successively again, being open arranges, punches, assembles and examine
Behind check-in storehouse, blowing foaming air channel is produced.
Embodiment two：
Using a kind of blowing foaming air channel technique of this equipment, the technique comprises the following steps：
A), by blowing plastic pellet and foaming agent in mass ratio 99：1 formula is mixed than good；Plastic pellet is high density
Polyethylene particles HDPE, above-mentioned foaming agent is in mass ratio 80：The sodium bicarbonate and citric acid that 20 ratio is mixed in advance derive
The mixture of thing；The main component of citric acid derivant is citrate.
B), the above-mentioned plastic pellet added with foaming agent is dosed into the hopper of feeder, plastic pellet and foaming agent
Under the effect of the feeding spiro rod with agitating function of feeder, it is transported to while being sufficiently agitated uniform in extruder.
C), the plastic pellet added with foaming agent is transported in the accumulator of extruder, and is heated in accumulator
Melt to the plastic liquid of molten condition；The modeling in molten condition is dissolved in foaming agent micro foaming in the confined space of accumulator
In stream body；The heating-up temperature of accumulator is 170 DEG C；
D), the extrusion mechanism downward actuation of extruder, while the mouth mold of extruder is opened, extrusion mechanism is by accumulator
Dissolved with foaming agent plastic liquid extruded machine under 120bar injection pressure mouth mold inject air flue mold in extrude air channel
Foaming agent in pipe, the air channel pipe touches in the situation without external pressure and starts second time of foaming after air, the second time of foaming
Time be 7 seconds；
E), air flue mold is after the shot of plastic liquid reaches regulation requirement, the wind during second time of foaming is carried out
Locked mode pressure ShiShimonoseki locking mould of the road mould in 70bar；
F), air flue mold is closed after locked mode, pre- blowing nozzle in air flue mold on die head and on air flue mold
Blow needle starts the air channel pipe into air flue mold with 0.4bar to 0.6bar blow gas pressure and blown, and air channel pipe is in air channel
It is the internal wind channel tube preform with hollow honeycomb that foaming is blow molded in mould；
G), above-mentioned wind channel tube preform is entered into after material folding to shape successively again, being open arranges, punches, assembles and examine
Behind check-in storehouse, blowing foaming air channel is produced.
There are following features using the blowing foaming air channel of this technique productions：
1st, lightweight：By foaming, air channel can be to vehicle loss of weight.
2nd, thermal insulation：Because air channel inwall forms hollow honeycomb, certain heat-blocking action can be played to air channel.Hair
Bubble multiplying power is higher, and volume, the area of foaming are bigger, and heat-proof quality is better.Therefore it can prevent air duct surfaces from condensing condensed water.
3rd, noise reduction：Because air channel inwall forms hollow honeycomb, traditional blowing air channel is contrasted, has and preferably eliminates wind
Make an uproar effect.
4th, abnormal sound is reduced：Interfere for the air channel after foaming and the metalwork on periphery or working of plastics, sound is more after shock
Oppressiveness, decibel is lower.
5th, foam is reduced：Air channel foam because performance is more excellent, most foam in traditional air chute can be cancelled, changed
Kind formaldehyde emissions and smell are exceeded.
6th, recyclability：After the completion of the blowing of chemical blowing air channel, without residue in raw material, so leftover pieces can be with
Directly crush and be blow molded again again, meet the particularity of blow molding process.
The utility model improves the pitch and length of screw rod in order that plastic pellet and foaming agent are fully stirred evenly in screw rod
Footpath ratio.It is preferably 30-32 by the pitch and draw ratio of screw rod.Because if plastic pellet and foaming agent are not stirred evenly fully,
Foaming can be caused uneven or even can not be foamed.
In order to obtain the density of material of blowing foaming demand, accumulator increase of the present utility model has back pressure adjustment mechanism.
The utility model to make the bubble of air channel inwall formation not rupture, therefore is blown in blow-molding process using less
Blow pressure is 0.4bar to 0.6bar blow gas pressure, and the bubble of air channel inwall formation constitutes above-mentioned hollow honeycomb.
Most preferred embodiment of the present utility model has been illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from scope of the present utility model.
Claims (2)
1. one kind blowing foaming air channel process equipment, the equipment include by the plastic pellet added with foaming agent conveying process
It is middle to carry out the feeder of uniform stirring simultaneously, it is characterized in that：Described feeder has to be used to deliver is added with foaming agent
The feeding spiro rod that the hopper of plastic pellet and rotation convey the plastic pellet and foaming agent while stirring, described feeder
End be connected with extruder, described extruder includes the plastic pellet heating for conveying feeding spiro rod and is melt into plastics stream
The accumulator of body and the pressing mechanism for ejecting the plastic liquid extruding in accumulator and the shot in plastic liquid
Reach the extruding dies that can be closed automatically after design requirement, the mouth mold and the wind for formed automobile air channel of described extruder
Road mould is relative to be connect, and the blow needle for air blowing is provided with the air flue mold, and pre-blowing is machined with the die head of air flue mold
Stomata.
2. a kind of blowing foaming air channel process equipment according to claim 1, it is characterized in that：Described accumulator is designed with
Back pressure adjustment mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198293.8U CN206501416U (en) | 2017-03-02 | 2017-03-02 | One kind blowing foaming air channel process equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198293.8U CN206501416U (en) | 2017-03-02 | 2017-03-02 | One kind blowing foaming air channel process equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206501416U true CN206501416U (en) | 2017-09-19 |
Family
ID=59840843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720198293.8U Active CN206501416U (en) | 2017-03-02 | 2017-03-02 | One kind blowing foaming air channel process equipment |
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| Country | Link |
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| CN (1) | CN206501416U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106808671A (en) * | 2017-03-02 | 2017-06-09 | 浙江峻和橡胶科技有限公司 | One kind blowing foaming air channel technique and its process equipment |
| CN109927270A (en) * | 2019-03-06 | 2019-06-25 | 江苏星辰星汽车附件有限公司 | A kind of preparation method in blow molding foaming air duct |
| CN113733519A (en) * | 2020-05-29 | 2021-12-03 | 昆山天跃翔塑胶制品有限公司 | Automobile pipeline process |
| CN114379061A (en) * | 2022-01-18 | 2022-04-22 | 浙江吉利控股集团有限公司 | Preparation method of heavy commercial vehicle air inlet channel |
| CN114701146A (en) * | 2022-03-30 | 2022-07-05 | 贵州省工程复合材料中心有限公司 | Air duct micro-foaming blow molding process method adaptive to intelligent production |
-
2017
- 2017-03-02 CN CN201720198293.8U patent/CN206501416U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106808671A (en) * | 2017-03-02 | 2017-06-09 | 浙江峻和橡胶科技有限公司 | One kind blowing foaming air channel technique and its process equipment |
| CN109927270A (en) * | 2019-03-06 | 2019-06-25 | 江苏星辰星汽车附件有限公司 | A kind of preparation method in blow molding foaming air duct |
| CN113733519A (en) * | 2020-05-29 | 2021-12-03 | 昆山天跃翔塑胶制品有限公司 | Automobile pipeline process |
| CN114379061A (en) * | 2022-01-18 | 2022-04-22 | 浙江吉利控股集团有限公司 | Preparation method of heavy commercial vehicle air inlet channel |
| CN114379061B (en) * | 2022-01-18 | 2024-01-09 | 浙江吉利控股集团有限公司 | Preparation method of heavy commercial vehicle air inlet channel |
| CN114701146A (en) * | 2022-03-30 | 2022-07-05 | 贵州省工程复合材料中心有限公司 | Air duct micro-foaming blow molding process method adaptive to intelligent production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315400, Ningbo, Zhejiang, Yuyao Far East Industrial City, CE10-11, Zhejiang Jun and Alwayseal Technology Ltd Patentee after: Zhejiang JUNHE Technology Co., Ltd Address before: 315400, Ningbo, Zhejiang, Yuyao Far East Industrial City, CE10-11, Zhejiang Jun and Alwayseal Technology Ltd Patentee before: Zhejiang Juhe Rubber Technology Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |