CN110281443A - A kind of composite anti-collision beam and its die press technology for forming - Google Patents
A kind of composite anti-collision beam and its die press technology for forming Download PDFInfo
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- CN110281443A CN110281443A CN201910510974.7A CN201910510974A CN110281443A CN 110281443 A CN110281443 A CN 110281443A CN 201910510974 A CN201910510974 A CN 201910510974A CN 110281443 A CN110281443 A CN 110281443A
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- Prior art keywords
- prevention girders
- collision
- collision prevention
- collision beam
- composite anti
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- 239000002131 composite material Substances 0.000 title claims abstract description 33
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 230000002265 prevention Effects 0.000 claims abstract description 97
- 210000003205 muscle Anatomy 0.000 claims abstract description 13
- 238000000465 moulding Methods 0.000 claims description 15
- 239000002994 raw material Substances 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000463 material Substances 0.000 description 8
- 239000003365 glass fiber Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000001962 electrophoresis Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/50—Removing moulded articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/50—Removing moulded articles
- B29C2043/5053—Removing moulded articles using pressurised gas, e.g. air
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention relates to a kind of composite anti-collision beam and its die press technology for forming, collision prevention girders the difference is that: it includes collision prevention girders ontology, and the collision prevention girders ontology is formed with criss-cross muscle piece portion on one side;Two anti-collision beam energy absorbing columns, the anti-collision beam energy absorbing column symmetry are formed in the another side of the collision prevention girders ontology and are located at the both ends of the collision prevention girders body length direction;And two collision prevention girders rigidity reinforced regions, described two collision prevention girders rigidity reinforced regions are respectively formed in each side of the anti-collision beam energy absorbing column far from the collision prevention girders ontology, two collision prevention girders rigidity reinforced regions are symmetrical arranged.Composite anti-collision beam energy-absorbing effect of the present invention is good, and structure is more stable.
Description
Technical field
The present invention relates to collision prevention girders manufacturing field, especially a kind of composite anti-collision beam and its die press technology for forming.
Background technique
The collision prevention girders of automobile play a part of to protect automotive safety, and when accident occurs for automobile, collision prevention girders absorb as far as possible is touched
Energy is hit, the extent of damage of vehicle body main body is reduced, to reduce maintenance cost and protect the safety of rider.Existing automobile rear
It hits beam and is generally aluminium alloy or for irony collision prevention girders.Irony or aluminum collision prevention girders generally require multistep processing program, part
Between need to weld, and irony collision prevention girders needed electrophoresis.Because the density of iron or aluminium is larger, pts wt is heavier,
Manufacture the higher cost of part.And existing back buffer beam for automobile often only sets about improving anti-collision effect from material direction,
But collision is once generated, automobile damage is still larger, functional poor.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provides a kind of composite anti-collision beam, and energy-absorbing effect is good,
Structure is more stable.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of composite anti-collision beam, is set to vehicle body and protects
Between dangerous thick stick, the difference is that:
It includes collision prevention girders ontology, and the collision prevention girders ontology is formed with criss-cross muscle piece portion on one side;
Two anti-collision beam energy absorbing columns, the anti-collision beam energy absorbing column symmetry are formed in the another side of the collision prevention girders ontology and are located at institute
State the both ends of collision prevention girders body length direction;
And
Two collision prevention girders rigidity reinforced regions, described two collision prevention girders rigidity reinforced regions are respectively formed in each collision prevention girders and inhale
Side of the energy column far from the collision prevention girders ontology, two collision prevention girders rigidity reinforced regions are symmetrical arranged.
It further include two connecting plates being located in the same vertical plane, two connecting plates by above technical scheme
It is respectively used to connect the anti-collision beam energy absorbing column and the collision prevention girders rigidity reinforced region positioned at one side.
By above technical scheme, the extending direction phase of the collision prevention girders rigidity reinforced region and the anti-collision beam energy absorbing column
Together.
By above technical scheme, the anti-collision beam energy absorbing column and the collision prevention girders rigidity reinforced region are all configured as having
The hollow structure of cavity.
By above technical scheme, the collision prevention girders ontology includes horizontal-extending baseplate part, is formed in the baseplate part one
The muscle piece portion in face and the stiffening plate portion for being arranged close to the baseplate part upper and lower ends and being connected with muscle piece portion.
It further include the endergonic structure being formed on bumper by above technical scheme, the endergonic structure is configured to
Towards the convex surface of collision prevention girders ontology direction protrusion, the endergonic structure is arranged close to the upper end of the collision prevention girders ontology.
Compare the prior art, beneficial features of the invention are as follows: the composite anti-collision beam, the one side of collision prevention girders ontology are formed
There is criss-cross muscle piece portion, energy-absorbing effect is good;Be provided with collision prevention girders rigidity reinforced region, increase bumper herein it is quiet just
Degree.
In order to solve the above technical problems, the present invention also provides the die press technology for forming of above-mentioned composite anti-collision beam,
Technical solution are as follows: a kind of die press technology for forming of composite anti-collision beam, the difference is that: it includes the following steps:
Step a) adjusts press parameter;
Step b) puts into raw material in mold;
Step c), molding simultaneously apply pressure pressure maintaining, when the dwell time reaching 28 seconds, blow to the type chamber of lower die, blow
Shi Changwei 3 seconds, blow gas pressure was less than 0.7KPa;
It is opened after step d), air blowing, after mold fully opens, starts to blow to the type core of upper mold, a length of 3 when air blowing
Second, blow gas pressure is less than 0.7Kpa.
By above technical scheme, in the step a), each parameter of press is adjusted to respectively: initial pressure is 600 tons, upper mold
Temperature is 28 degrees Celsius, and lower die temperature is 20 degrees Celsius, and when pressure maintaining is 30 seconds a length of.
By above technical scheme, in the step b), the production method of the raw material are as follows: the thermoplasticity that will continuously squeeze out
Composite material cuts and weighs.
By above technical scheme, in the step b), the surface area of the raw material occupy mould inside surface area 60% with
On.
Compare the prior art, beneficial features of the invention are as follows: the die press technology for forming of the composite anti-collision beam, it is successively right
Type chamber and type core are blown, and are separated the collision prevention girders of compression molding with type chamber and type core, are avoided it from sticking on type chamber or type core and lead
The uncolled good collision prevention girders deformation failure caused;This technical process is simple, and manufactured anticollision beam strength is high, light weight and primary
Molding, does not need electrophoresis, reduces process costs;It does not blow in pressure maintaining time early period to type core and type chamber, avoids collision prevention girders
The bubble that occurs when not being fully cured due to air blowing, stomata and other issues.
Detailed description of the invention
Fig. 1 is composite anti-collision of embodiment of the present invention girder construction schematic diagram;
Fig. 2 is anti-collision beam energy absorbing column and collision prevention girders rigidity reinforced region structural schematic diagram in the embodiment of the present invention;
Fig. 3 is composite anti-collision of embodiment of the present invention girder construction schematic diagram;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is the top view of Fig. 3;
Fig. 6 is the rearview of Fig. 3;
Fig. 7 is collision prevention girders and bumper matching relationship schematic diagram in the embodiment of the present invention;
Fig. 8 is the B-B sectional view of Fig. 7;
Wherein: ((one side that 101a- collision prevention girders ontology is arranged towards bumper, 101b- are anti-for 101- collision prevention girders ontology for 1- collision prevention girders
Hit the one side that beam ontology is arranged backwards to bumper, x- collision prevention girders body length direction, 1011- baseplate part, 1012- muscle piece portion,
1013- stiffening plate portion), (length of m- anti-collision beam energy absorbing column, the minimum of n- anti-collision beam energy absorbing column are wide for 102- anti-collision beam energy absorbing column
Degree, 1021- anti-collision beam energy absorbing column cavity), 103- collision prevention girders rigidity reinforced region (1031- collision prevention girders rigidity reinforced region
Cavity), 104- connecting plate), 2- bumper (201- endergonic structure).
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.
Fig. 1 to Fig. 8 is please referred to, composite anti-collision beam of the embodiment of the present invention is set between vehicle body and bumper 2, anticollision
Beam 1 is fastened by screw and vehicle body.Collision prevention girders 1 include that collision prevention girders ontology 101, anti-collision beam energy absorbing column 102 and collision prevention girders rigidity add
Strong region 103.In order to guarantee the intensity of collision prevention girders 1 and improve production efficiency, the collision prevention girders ontology 101, anti-collision beam energy absorbing
Column 102 and collision prevention girders rigidity reinforced region 103 are integrally formed.The one side that the collision prevention girders ontology 101 is arranged towards bumper 2
101a is formed with criss-cross muscle piece portion 1012.There are two anti-collision beam energy absorbing columns 102, described two anti-collision beam energy absorbing columns 102
It is symmetrically formed the one side 101b in the collision prevention girders ontology 101 backwards to bumper setting, and two anti-collision beam energy absorbing columns 102 set up separately
In the both ends of the 101 length direction x of collision prevention girders ontology.There are two collision prevention girders rigidity reinforced regions 103, described two collision prevention girders
Rigidity reinforced region 103 is respectively formed in each side of the anti-collision beam energy absorbing column 102 far from the collision prevention girders ontology 101, and two
A collision prevention girders rigidity reinforced region 103 is symmetrical arranged.
Preferably, collision prevention girders 1 further include two connecting plates 104 being located in the same vertical plane, two connecting plates
104 are respectively used to connect the anti-collision beam energy absorbing column 102 and the collision prevention girders rigidity reinforced region 103 positioned at one side.
Preferably, in order to make collision prevention girders rigidity reinforced region 103 while reinforcing rigidity, the effect of energy-absorbing is also functioned to,
The collision prevention girders rigidity reinforced region 103 is identical with the extending direction of the anti-collision beam energy absorbing column 102.
Preferably, for the ease of energy-absorbing, the anti-collision beam energy absorbing column 102 and the collision prevention girders rigidity reinforced region 103 are equal
It is configured to the hollow structure with cavity.
Preferably, in order to guarantee the intensity of collision prevention girders, the width of the anti-collision beam energy absorbing column 102 is along far from the collision prevention girders
The direction of ontology 101 is gradually increased, the length m of the anti-collision beam energy absorbing column 102 and the minimum widith n of anti-collision beam energy absorbing column 102
The ratio between be 3:1.
Preferably, in order to guarantee the energy-absorbing effect on 102 length direction of anti-collision beam energy absorbing column, the anti-collision beam energy absorbing column
102 length m is more than or equal to 80mm.
Preferably, in order to also guarantee the intensity of collision prevention girders ontology 101, the collision prevention girders sheet while guaranteeing energy-absorbing effect
Body 101 includes horizontal-extending baseplate part 1011, is formed in the baseplate part 1011 towards the muscle piece in bumper one side
Portion 1012 and the stiffening plate portion for being arranged close to 1011 upper and lower ends of baseplate part and being connected with muscle piece portion 1012
1013。
It preferably, further include the endergonic structure 201 being formed on bumper 2, endergonic structure 201 is configured to towards institute
The convex surface of 101 direction of collision prevention girders ontology protrusion is stated, the endergonic structure 201 is arranged close to the upper end of the collision prevention girders ontology 101,
Endergonic structure 201 and collision prevention girders ontology 101 are in contact.In car crass, the endergonic structure 201 on bumper 2 is first inhaled
It can act on, followed by energy-absorbing occurs for collision prevention girders 1, because the endergonic structure 201 on bumper 2 can prevent collision prevention girders 1 in upper end
It is up deflected in collision, structure is more stable.
Specifically, in order to guarantee the intensity of bumper 2 and improve production efficiency, 201 one of bumper 2 and endergonic structure
Molding.
Preferably, collision prevention girders 1 are made of composite material, good fluidity when in order to not only guarantee material molding, but also guarantee zero
The intensity of part, the composite material are made of the following component being measured by the percentage by weight: polypropylene 80% and glass fibre 20%,
Wherein the length of glass fibre is 10 ~ 50mm.
The Molding Forming of Composites back buffer beam for automobile 1 is used in the embodiment of the present invention, the spies such as high, light-weight with intensity
Point.It can achieve 30% or more, and one-pass molding compared to aluminium alloy or irony collision prevention girders weight loss effect, be not required to electrophoresis, have
The advantages that cheap.Collision prevention girders ontology 101 is formed with criss-cross muscle piece portion towards the one side 101a that bumper 2 is arranged
1012, energy-absorbing effect is good.It is provided with collision prevention girders rigidity reinforced region 103, increases the Static stiffness of bumper 2 herein.Energy-absorbing knot
Structure 201 is arranged close to the upper end of collision prevention girders ontology 101, and in car crass, the endergonic structure 201 on bumper 2 is first inhaled
It can act on, followed by energy-absorbing occurs for collision prevention girders 1, because the endergonic structure 201 on bumper 2 can prevent collision prevention girders 1 in upper end
It is up deflected in collision, structure is more stable.
The die press technology for forming of composite anti-collision beam of the embodiment of the present invention comprising following steps: step a) adjusts pressure
Machine parameter;
Step b) puts into raw material in mold;
Step c), molding simultaneously apply pressure pressure maintaining, when the dwell time reaching 28 seconds, blow to the type chamber of lower die, blow
It Shi Changwei 3 seconds, in order to realize that product and lower die are detached from, while avoiding blowing broken product, blow gas pressure is less than 0.7KPa;
It being opened after step d), air blowing, after mold fully opens, starts to blow to upper model core, when air blowing, is 3 seconds a length of,
It in order to realize that product and upper mold are detached from, while avoiding blowing broken product, blow gas pressure is less than 0.7Kpa;
Step e) is removed from the molds the collision prevention girders being pressed and molded.
Preferably, in the step a), each parameter of press is adjusted to respectively: initial pressure is 600 tons, and upper mold temperature is 28
Degree Celsius, lower die temperature is 20 degrees Celsius, and when pressure maintaining is 30 seconds a length of.Upper mold temperature is 28 degrees Celsius, and lower die temperature is 20 Celsius
Degree, energy fast softening raw material, convenient for compression molding.A length of 30 seconds when pressure maintaining, product can be made just to solidify.
Specifically, in the step b), the production method of the raw material are as follows: the thermoplastic composite that will continuously squeeze out
It cuts and weighs, make its mass range 1.37kg ~ 1.43kg, avoid waste of material and cause to produce because of quantity of material deficiency
Battery case it is unqualified.Good fluidity when preferably, in order to not only guarantee material molding, but also guarantee the intensity of part, by weight
Percentages, fiber content is 15% ~ 40% in the thermoplastic composite, and fibre length is 10 ~ 50mm.It is infused in traditional handicraft
The glass fibre length of modeling part is typically less than 1mm, and mechanical strength is inadequate, and the elasticity modulus of this material can achieve
9000Mpa, bending modulus can achieve 10Gpa, the high mechanical strength of this material.It is highly preferred that in order to further ensure that material
Good fluidity when molding, and guarantee the intensity of part, the composite material is made of the following component being measured by the percentage by weight:
Polypropylene 80% and glass fibre 20%, wherein the length of glass fibre is 10 ~ 50mm.
Preferably, in the step b), the surface area of the raw material occupies 60% or more mould inside surface area.
Preferably, in the step c), specific steps of molding are as follows: step x1), quickly molding, closure pressing speed are
600mm/s, due to molding before, type core and type chamber distance farther out, when closure pressing speed be 600mm/s can sufficiently improve the yield that comes into force
Mold and raw material will not be damaged again;Step x2), when quick molding to the distance of type core and type chamber is 40mm, due at this time
The distance between type core and type chamber are relatively close, and in order to avoid damaging raw material by pressure, closure pressing speed slows to 100mm/s;Step x3), when
When the distance of type core and type chamber is 10mm, in order to make molding more evenly, closure pressing speed is adjusted to 10mm/s, until mold closes completely
Mould.
Preferably, in the step c), in order to improve the production efficiency and guarantee that collision prevention girders are fully cooled, the dwell time 30
Second.In order to avoid that collision prevention girders are subject to crushing and collision prevention girders do not form simultaneously, dwell pressure is 600 tons.
Preferably, in the step d), specific steps of die sinking are as follows: step y1), when starting die sinking, in order to avoid not cold
But collision prevention girders stick on type chamber or type core so that deformation failure, opening speed 10mm/s;Step y2), when die sinking is to type
When core and type chamber distance are 10mm, start to be opened at a slow speed, the speed being opened at a slow speed is 100mm/s;Step y3), when die sinking is to type
When the distance of core and type chamber is 40mm, in order to improve the production efficiency, opening speed is adjusted to 600mm/s, until mold is beaten completely
It opens.
The above content is combine specific embodiment to the further description of the invention done, and it cannot be said that this hair
Bright specific implementation is only limited to these instructions, for the those of ordinary skill of the technical field belonging to the present invention, not
Under the premise of being detached from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to guarantor of the invention
Protect range.
Claims (10)
1. a kind of composite anti-collision beam is set between vehicle body and bumper, it is characterised in that:
It includes collision prevention girders ontology, and the collision prevention girders ontology is formed with criss-cross muscle piece portion on one side;
Two anti-collision beam energy absorbing columns, the anti-collision beam energy absorbing column symmetry are formed in the another side of the collision prevention girders ontology and are located at institute
State the both ends of collision prevention girders body length direction;
And
Two collision prevention girders rigidity reinforced regions, described two collision prevention girders rigidity reinforced regions are respectively formed in each collision prevention girders and inhale
Side of the energy column far from the collision prevention girders ontology, two collision prevention girders rigidity reinforced regions are symmetrical arranged.
2. composite anti-collision beam as described in claim 1, it is characterised in that: it further includes being located in the same vertical plane
Two connecting plates, two connecting plates are respectively used to connect the anti-collision beam energy absorbing column and the collision prevention girders positioned at one side
Rigidity reinforced region.
3. composite anti-collision beam as described in claim 1, it is characterised in that: the collision prevention girders rigidity reinforced region and described
The extending direction of anti-collision beam energy absorbing column is identical.
4. composite anti-collision beam as described in claim 1, it is characterised in that: the anti-collision beam energy absorbing column and the collision prevention girders
Rigidity reinforced region is all configured as the hollow structure with cavity.
5. composite anti-collision beam as described in claim 1, it is characterised in that: the collision prevention girders ontology includes horizontal-extending
Baseplate part, the muscle piece portion for being formed in the baseplate part one side and close to the baseplate part upper and lower ends be arranged and with it is described
The stiffening plate portion that muscle piece portion is connected.
6. composite anti-collision beam as described in claim 1, it is characterised in that: it further includes the energy-absorbing being formed on bumper
Structure, the endergonic structure are configured to the convex surface towards collision prevention girders ontology direction protrusion, and the endergonic structure is close to institute
State the upper end setting of collision prevention girders ontology.
7. the die press technology for forming of composite anti-collision beam as described in claim 1, it is characterised in that: it includes following step
It is rapid:
Step a) adjusts press parameter;
Step b) puts into raw material in mold;
Step c), molding simultaneously apply pressure pressure maintaining, when the dwell time reaching 28 seconds, blow to the type chamber of lower die, blow
Shi Changwei 3 seconds, blow gas pressure was less than 0.7KPa;
It is opened after step d), air blowing, after mold fully opens, starts to blow to the type core of upper mold, a length of 3 when air blowing
Second, blow gas pressure is less than 0.7Kpa.
8. the die press technology for forming of composite anti-collision beam as claimed in claim 7, it is characterised in that: in the step a),
Each parameter of press is adjusted to respectively: initial pressure is 600 tons, and upper mold temperature is 28 degrees Celsius, and lower die temperature is 20 degrees Celsius, is protected
A length of 30 seconds when pressure.
9. the die press technology for forming of composite anti-collision beam as claimed in claim 7, it is characterised in that: in the step b),
The production method of the raw material are as follows: the thermoplastic composite continuously squeezed out is cut and weighed.
10. the die press technology for forming of composite anti-collision beam as claimed in claim 7, it is characterised in that: in the step b),
The surface area of the raw material occupies 60% or more mould inside surface area.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910510974.7A CN110281443A (en) | 2019-06-13 | 2019-06-13 | A kind of composite anti-collision beam and its die press technology for forming |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910510974.7A CN110281443A (en) | 2019-06-13 | 2019-06-13 | A kind of composite anti-collision beam and its die press technology for forming |
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ID=68003990
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114474545A (en) * | 2021-12-02 | 2022-05-13 | 北京汽车研究总院有限公司 | Method for manufacturing automobile front end module and automobile front end module |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03274130A (en) * | 1990-03-26 | 1991-12-05 | Sumitomo Heavy Ind Ltd | Apparatus for releasing molded product |
CN204978511U (en) * | 2015-09-07 | 2016-01-20 | 北京汽车股份有限公司 | Anticollision roof beam assembly and car |
CN106985775A (en) * | 2016-01-19 | 2017-07-28 | 通用汽车环球科技运作有限责任公司 | Bumper module |
CN210454958U (en) * | 2019-06-13 | 2020-05-05 | 鸿泰佛吉亚复合材料(武汉)有限公司 | Composite material anti-collision beam structure |
-
2019
- 2019-06-13 CN CN201910510974.7A patent/CN110281443A/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03274130A (en) * | 1990-03-26 | 1991-12-05 | Sumitomo Heavy Ind Ltd | Apparatus for releasing molded product |
CN204978511U (en) * | 2015-09-07 | 2016-01-20 | 北京汽车股份有限公司 | Anticollision roof beam assembly and car |
CN106985775A (en) * | 2016-01-19 | 2017-07-28 | 通用汽车环球科技运作有限责任公司 | Bumper module |
CN210454958U (en) * | 2019-06-13 | 2020-05-05 | 鸿泰佛吉亚复合材料(武汉)有限公司 | Composite material anti-collision beam structure |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114474545A (en) * | 2021-12-02 | 2022-05-13 | 北京汽车研究总院有限公司 | Method for manufacturing automobile front end module and automobile front end module |
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