CN106777735A - The method for designing and device of a kind of sponge mould - Google Patents
The method for designing and device of a kind of sponge mould Download PDFInfo
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- CN106777735A CN106777735A CN201611226484.7A CN201611226484A CN106777735A CN 106777735 A CN106777735 A CN 106777735A CN 201611226484 A CN201611226484 A CN 201611226484A CN 106777735 A CN106777735 A CN 106777735A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F30/17—Mechanical parametric or variational design
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Abstract
The method for designing and device of the sponge mould that the present invention is provided, CO is calculated according to product sponge material injection rate with sponge foaming reaction formula2Weight, and according to CO2Weight obtain CO2Volume；Based on CO in the corresponding sponge mould of default different product2Volume and air discharge duct ratio, determine the air discharge duct quantity in the sponge mould of product, according to the complexity of sponge mould different parts structure, position, the depth and width of each air discharge duct are reasonably set；With reference to sponge pouring technology, the cast track of sponge mould is determined according to product type；Position, the depth and width of the cast track based on sponge mould, air discharge duct quantity in sponge mould, and each air discharge duct, sponge mould reasonable in design, the CO for producing sponge2Gas is moved by rational method, it is ensured that is replaced artificial ventilation or equipment ventilation while product quality, is reduced the production cost of product.
Description
Technical field
The present invention relates to sponge foaming technical field, more particularly, to the method for designing and device of a kind of sponge mould.
Background technology
With the development of society, the increase of recruitment cost and power cost, manufacturing enterprise is faced with very big production pressure,
Production technology how is improved, recruitment cost and power cost is reduced, the direction as enterprise technology personnel research.
, it is necessary to pass through passage artificial ventilation during automotive seat sponge foaming, every line at least needs a member
Work is ventilated；Or increase cylinder, and make cylinder drive needle-valve to ventilate, this method is better than artificial ventilation, but this semi-automatic
Ventilating mode, it is necessary to the part-time operation cylinder controlling switch ventilation of other posies employee, while cylinder safeguard and power cost compared with
Height, is unfavorable for production cost control.
The content of the invention
In view of this, the invention provides the method for designing and device of a kind of sponge mould, sponge foaming is produced
CO2, it is combined with product structure, sponge pouring technology, rationally set by air discharge duct quantity, position, depth and width
It is fixed, rational sponge mould is designed, reduce ventilation cost, and improve product quality.
Concrete technical scheme is as follows：
A kind of method for designing of sponge mould, methods described includes：
CO is calculated according to the product sponge material injection rate and sponge foaming reaction formula2Weight, and according to institute
State CO2Weight obtain CO2Volume；
Based on CO described in the corresponding sponge mould of default different product2Volume and air discharge duct ratio, determine institute
State the air discharge duct quantity in the sponge mould of product；
According to the complexity of sponge mould different parts structure, position, depth and the width of each air discharge duct are set
Degree；
The cast track of sponge mould is determined according to product type；
Based on the cast track of the sponge mould, air discharge duct quantity in the sponge mould, and each described exhaust
The position of groove, depth and width, design sponge mould.
Preferably, CO described in the corresponding sponge mould of the default different product2Volume and air discharge duct ratio
Specially：
When the product is automobile back, the CO2The ratio of bulking value and air discharge duct quantitative value be 2~2.2；When
When the product is automobile cushion, the CO2The ratio of bulking value and air discharge duct quantitative value be 1.4~1.7.
Preferably, the complexity according to sponge mould different parts structure, sets position, the depth of the air discharge duct
Degree and width, including：
Each described air discharge duct is uniformly arranged on the edge of the sponge mould by predetermined depth and predetermined width；
Air discharge duct is set up in the complex region of the sponge mould, air discharge duct is reduced at the position of simple structure；
In the depth or width of the deep position increase air discharge duct of mould, the shallow position of mould reduce air discharge duct depth or
Width.
Preferably, the cast track that sponge mould is determined according to product type, including：
When the product is automobile front row backrest, the cast track of the sponge mould is defined as I-shaped；
When the product is automobile front row cushion, the cast track of the sponge mould is defined as booklet type；
When the product is automobile rear backrest or cushion, the structure determination by sponge cast track is Back Word
Shape.
Preferably, in the structure based on the sponge mould, air discharge duct quantity, position and depth in the sponge mould
Degree, designs sponge mould, also includes afterwards：
The sponge mould completed using the design carries out actual production, according to practical condition, to the sponge mould
Air discharge duct quantity described in tool, and the position of each air discharge duct, depth and width are modified.
A kind of design device of sponge mould, described device includes：
Computing unit, for calculating CO according to the product sponge material injection rate and sponge foaming reaction formula2's
Weight, and according to the CO2Weight obtain CO2Volume；
First determining unit, for based on CO described in the corresponding sponge mould of default different product2Volume with row
The ratio of air drain, determines the air discharge duct quantity in the sponge mould of the product；
Setting unit, for the complexity according to sponge mould different parts structure, sets each air discharge duct
Position, depth and width；
Second determining unit, the cast track for determining sponge mould according to product type；
Design cell, for the cast track based on the sponge mould, air discharge duct quantity in the sponge mould, and
The position of each air discharge duct, depth and width, design sponge mould.
Preferably, CO described in the corresponding sponge mould of the default different product2Volume and air discharge duct ratio
Specially：
When the product is automobile back, the CO2The ratio of bulking value and air discharge duct quantitative value be 2~2.2；When
When the product is automobile cushion, the CO2The ratio of bulking value and air discharge duct quantitative value be 1.4~1.7.
Preferably, the setting unit includes：
First sets subelement, described for each described air discharge duct to be uniformly arranged on by predetermined depth and predetermined width
The edge of sponge mould；
Second sets subelement, for setting up air discharge duct in the complex region of the sponge mould, in the portion of simple structure
Position reduces air discharge duct；
3rd sets bullet unit, for depth or width in the deep position increase air discharge duct of mould, in the portion that mould is shallow
Position reduces the depth or width of air discharge duct.
Preferably, second determining unit includes：
First determines bullet unit, for when the product is automobile front row backrest, by the cast rail of the sponge mould
Mark is defined as I-shaped；
Second determines bullet unit, for when the product is automobile front row cushion, by the cast rail of the sponge mould
Mark is defined as booklet type；
3rd determines bullet unit, for when the product is automobile rear backrest or cushion, the sponge being poured into a mould into rail
The structure determination of mark is three-back-shaped.
Preferably, described device also includes：
Amending unit, the sponge mould completed for the application design carries out actual production, according to practical condition,
To air discharge duct quantity described in the sponge mould, and the position of each air discharge duct, depth and width are modified.
Relative to prior art, beneficial effects of the present invention are as follows：
The method for designing and device of the sponge mould that the present invention is provided, according to product sponge material injection rate and sponge foaming
Reaction formula calculates CO2Weight, and according to CO2Weight obtain CO2Volume；It is corresponding based on default different product
CO in sponge mould2Volume and air discharge duct ratio, the air discharge duct quantity in the sponge mould of product is determined, according to sponge mould
Have the complexity of different parts structure, position, the depth and width of each air discharge duct are reasonably set；With reference to sponge pourer
Skill, the cast track of sponge mould is determined according to product type；Cast track based on sponge mould, air discharge duct in sponge mould
Quantity, and each air discharge duct position, depth and width, sponge mould reasonable in design, make sponge produce CO2Gas is pressed
Rational method motion, it is ensured that replace artificial ventilation or equipment ventilation while product quality, reduce the production cost of product.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of method for designing flow chart of sponge mould disclosed in the embodiment of the present invention；
Fig. 2 is a kind of design apparatus structure schematic diagram of sponge mould disclosed in the embodiment of the present invention；
Fig. 3 is a kind of design apparatus structure schematic diagram of sponge mould disclosed in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to, present embodiment discloses a kind of method for designing of sponge mould, following steps is specifically included：
S101：CO is calculated according to the product sponge material injection rate and sponge foaming reaction formula2Weight, and according to
According to the CO2Weight obtain CO2Volume；
Specifically, producing the CO of book during sponge foaming2The computing formula of weight is：
M=M*2/3*4/110*44/18, wherein, m is CO2Weight, M is product sponge material injection rate.
It should be noted that M*2/3*4/110 is the Theoretical Mass of the water contained in polyethers, the aquatic product 1mol dioxies of 1mol
Change carbon, the relative molecular mass of water is 18, and carbon dioxide is 44；2/3 represents content of polyether in injection rate；4/110 represents polyethers
The ratio of reclaimed water.
Again by CO2Weight conversion is CO2Volume, CO2Density is calculated according to 1.977g/L.
S102：Based on CO described in the corresponding sponge mould of default different product2Volume and air discharge duct ratio, really
Air discharge duct quantity in the sponge mould of the fixed product；
Specifically, CO described in the corresponding sponge mould of the default different product2Volume and air discharge duct ratio
Specially：
When the product is automobile back, the CO2The ratio of bulking value and air discharge duct quantitative value be 2~2.2；When
When the product is automobile cushion, the CO2The ratio of bulking value and air discharge duct quantitative value be 1.4~1.7.
S103：According to the complexity of sponge mould different parts structure, position, the depth of each air discharge duct are set
And width；
Specifically, the implementation procedure of step S103 is as follows：
Each described air discharge duct is uniformly arranged on the edge of the sponge mould by predetermined depth and predetermined width；
Air discharge duct is set up in the complex region of the sponge mould, air discharge duct is reduced at the position of simple structure；
In the depth or width of the deep position increase air discharge duct of mould, the shallow position of mould reduce air discharge duct depth or
Width.
It should be noted that the complex region of the sponge mould may be the deep position of the sponge mould, it is corresponding
The simple position of sponge mould structure may be the shallow position of the sponge mould.
S104：The cast track of sponge mould is determined according to product type；
Specifically, the implementation procedure of step S104 is as follows：
When the product is automobile front row backrest, the cast track of the sponge mould is defined as I-shaped；
When the product is automobile front row cushion, the cast track of the sponge mould is defined as booklet type；
When the product is automobile rear backrest or cushion, the structure determination by sponge cast track is Back Word
Shape.
It should be noted that it is car steering position and co-driver that the automobile is front-seat, the automobile rear is in automobile
Except remaining seat of operator seat and co-driver.
S105：Based on the cast track of the sponge mould, air discharge duct quantity in the sponge mould, and described in each
The position of air discharge duct, depth and width, design sponge mould.
It should be noted that in the structure based on the sponge mould, air discharge duct quantity, position in the sponge mould
Put and depth, design sponge mould, also include afterwards：
The sponge mould completed using the design carries out actual production, according to practical condition, to the sponge mould
Air discharge duct quantity described in tool, and the position of each air discharge duct, depth and width are modified.
The method for designing of sponge mould disclosed in the present embodiment, reacts according to product sponge material injection rate with sponge foaming
Formula calculates CO2Weight, and according to CO2Weight obtain CO2Volume；Based on the corresponding sponge of default different product
CO in mould2Volume and air discharge duct ratio, determine the air discharge duct quantity in the sponge mould of product, according to sponge mould not
With the complexity of portion structure, position, the depth and width of each air discharge duct are reasonably set；With reference to sponge pouring technology,
The cast track of sponge mould is determined according to product type；Cast track based on sponge mould, slot number is vented in sponge mould
Amount, and each air discharge duct position, depth and width, sponge mould reasonable in design, make sponge produce CO2Gas is by conjunction
The method motion of reason, it is ensured that replace artificial ventilation or equipment ventilation while product quality, reduce the production cost of product.
Based on a kind of method for designing of sponge mould disclosed in above-described embodiment, the present embodiment correspondence discloses a kind of sponge
The design device of mould, refers to Fig. 2, specifically includes：
Computing unit 101, for calculating CO according to the product sponge material injection rate and sponge foaming reaction formula2
Weight, and according to the CO2Weight obtain CO2Volume；
First determining unit 102, for based on CO described in the corresponding sponge mould of default different product2Volume with
The ratio of air discharge duct, determines the air discharge duct quantity in the sponge mould of the product；
Specifically, CO described in the corresponding sponge mould of the default different product2Volume and air discharge duct ratio
Specially：
When the product is automobile back, the CO2The ratio of bulking value and air discharge duct quantitative value be 2~2.2；When
When the product is automobile cushion, the CO2The ratio of bulking value and air discharge duct quantitative value be 1.4~1.7.
Setting unit 103, for the complexity according to sponge mould different parts structure, sets each air discharge duct
Position, depth and width；
Second determining unit 104, the cast track for determining sponge mould according to product type；
Design cell 105, for the cast track based on the sponge mould, air discharge duct quantity in the sponge mould,
And position, the depth and width of each air discharge duct, design sponge mould.
Fig. 3 is referred to, the setting unit 103 includes：
First sets subelement 106, for each described air discharge duct to be uniformly arranged on by predetermined depth and predetermined width
The edge of the sponge mould；
Second sets subelement 107, for setting up air discharge duct in the complex region of the sponge mould, in simple structure
Position reduces air discharge duct；
3rd sets bullet unit 108, shallow in mould for depth or width in the deep position increase air discharge duct of mould
Position reduces the depth or width of air discharge duct.
Second determining unit 104 includes：
First determines bullet unit 109, for when the product is automobile front row backrest, by the cast of the sponge mould
Track is defined as I-shaped；
Second determines bullet unit 110, for when the product is automobile front row cushion, by the cast of the sponge mould
Track is defined as booklet type；
3rd determines bullet unit 111, for when the product is automobile rear backrest or cushion, by sponge cast
The structure determination of track is three-back-shaped.
The design device of the sponge mould also includes：
Amending unit 112, the sponge mould completed for the application design carries out actual production, according to actual production feelings
Condition, to air discharge duct quantity described in the sponge mould, and the position of each air discharge duct, depth and width are repaiied
Just.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (10)
1. a kind of method for designing of sponge mould, it is characterised in that methods described includes：
CO is calculated according to the product sponge material injection rate and sponge foaming reaction formula2Weight, and according to the CO2
Weight obtain CO2Volume；
Based on CO described in the corresponding sponge mould of default different product2Volume and air discharge duct ratio, determine the product
Sponge mould in air discharge duct quantity；
According to the complexity of sponge mould different parts structure, position, the depth and width of each air discharge duct are set；
The cast track of sponge mould is determined according to product type；
Based on the cast track of the sponge mould, air discharge duct quantity in the sponge mould, and each air discharge duct
Position, depth and width, design sponge mould.
2. method according to claim 1, it is characterised in that institute in the corresponding sponge mould of the default different product
State CO2Volume and the ratio of air discharge duct be specially：
When the product is automobile back, the CO2The ratio of bulking value and air discharge duct quantitative value be 2~2.2；When described
When product is automobile cushion, the CO2The ratio of bulking value and air discharge duct quantitative value be 1.4~1.7.
3. method according to claim 1, it is characterised in that the complicated journey according to sponge mould different parts structure
Degree, sets position, the depth and width of the air discharge duct, including：
Each described air discharge duct is uniformly arranged on the edge of the sponge mould by predetermined depth and predetermined width；
Air discharge duct is set up in the complex region of the sponge mould, air discharge duct is reduced at the position of simple structure；
In the depth or width of the deep position increase air discharge duct of mould, the depth or width of air discharge duct are reduced at the shallow position of mould
Degree.
4. method according to claim 1, it is characterised in that the cast rail that sponge mould is determined according to product type
Mark, including：
When the product is automobile front row backrest, the cast track of the sponge mould is defined as I-shaped；
When the product is automobile front row cushion, the cast track of the sponge mould is defined as booklet type；
When the product is automobile rear backrest or cushion, the structure determination by sponge cast track is three-back-shaped.
5. method according to claim 1, it is characterised in that in the structure based on the sponge mould, the sea
Air discharge duct quantity, position and depth in continuous mould, design sponge mould, also include afterwards：
The sponge mould completed using the design carries out actual production, according to practical condition, in the sponge mould
The air discharge duct quantity, and the position of each air discharge duct, depth and width are modified.
6. a kind of design device of sponge mould, it is characterised in that described device includes：
Computing unit, for calculating CO according to the product sponge material injection rate and sponge foaming reaction formula2Weight,
And according to the CO2Weight obtain CO2Volume；
First determining unit, for based on CO described in the corresponding sponge mould of default different product2Volume and air discharge duct
Ratio, determines the air discharge duct quantity in the sponge mould of the product；
Setting unit, for the complexity according to sponge mould different parts structure, set each air discharge duct position,
Depth and width；
Second determining unit, the cast track for determining sponge mould according to product type；
Design cell, for the cast track based on the sponge mould, air discharge duct quantity in the sponge mould, and each
The position of the air discharge duct, depth and width, design sponge mould.
7. device according to claim 6, it is characterised in that institute in the corresponding sponge mould of the default different product
State CO2Volume and the ratio of air discharge duct be specially：
When the product is automobile back, the CO2The ratio of bulking value and air discharge duct quantitative value be 2~2.2；When described
When product is automobile cushion, the CO2The ratio of bulking value and air discharge duct quantitative value be 1.4~1.7.
8. device according to claim 6, it is characterised in that the setting unit includes：
First sets subelement, for each described air discharge duct to be uniformly arranged on into the sponge by predetermined depth and predetermined width
The edge of mould；
Second sets subelement, for setting up air discharge duct in the complex region of the sponge mould, subtracts at the position of simple structure
If air discharge duct；
3rd sets bullet unit, for depth or width in the deep position increase air discharge duct of mould, subtracts at the shallow position of mould
The depth or width of small air discharge duct.
9. device according to claim 6, it is characterised in that second determining unit includes：
First determines bullet unit, for when the product is automobile front row backrest, the cast track of the sponge mould is true
It is set to I-shaped；
Second determines bullet unit, for when the product is automobile front row cushion, the cast track of the sponge mould is true
It is set to booklet type；
3rd determines bullet unit, for when the product is automobile rear backrest or cushion, by sponge cast track
Structure determination is three-back-shaped.
10. device according to claim 6, it is characterised in that described device also includes：
Amending unit, the sponge mould completed for the application design carries out actual production, according to practical condition, to institute
State air discharge duct quantity described in sponge mould, and the position of each air discharge duct, depth and width are modified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226484.7A CN106777735B (en) | 2016-12-27 | 2016-12-27 | Design method and device of sponge mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226484.7A CN106777735B (en) | 2016-12-27 | 2016-12-27 | Design method and device of sponge mold |
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| Publication Number | Publication Date |
|---|---|
| CN106777735A true CN106777735A (en) | 2017-05-31 |
| CN106777735B CN106777735B (en) | 2019-12-24 |
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ID=58921587
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611226484.7A Active CN106777735B (en) | 2016-12-27 | 2016-12-27 | Design method and device of sponge mold |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112528421A (en) * | 2020-12-30 | 2021-03-19 | 恒诚航空科技(南通)有限公司 | Aviation seat cushion foaming design scheme evaluation method and device |
| CN114678078A (en) * | 2022-03-11 | 2022-06-28 | 南京航空航天大学 | CO (carbon monoxide)2-CH4Reforming foam reactor and optimization design method thereof |
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| CN102073752A (en) * | 2009-11-23 | 2011-05-25 | 北汽福田汽车股份有限公司 | Method for designing exhaust holes of stamping die |
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2016
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073752A (en) * | 2009-11-23 | 2011-05-25 | 北汽福田汽车股份有限公司 | Method for designing exhaust holes of stamping die |
Non-Patent Citations (2)
| Title |
|---|
| 刘小平: "空气对注射模塑过程的影响与模具排气槽参数的选择原则", 《华南理工大学学报（自然科学版）》 * |
| 彭伟 等: "排气对注射成型过程的影响与排气槽参数的选择", 《模具工业》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112528421A (en) * | 2020-12-30 | 2021-03-19 | 恒诚航空科技(南通)有限公司 | Aviation seat cushion foaming design scheme evaluation method and device |
| CN114678078A (en) * | 2022-03-11 | 2022-06-28 | 南京航空航天大学 | CO (carbon monoxide)2-CH4Reforming foam reactor and optimization design method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106777735B (en) | 2019-12-24 |
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