CN107650321A - A kind of new type of safe automobile bumper injection molding process - Google Patents
A kind of new type of safe automobile bumper injection molding process Download PDFInfo
- Publication number
- CN107650321A CN107650321A CN201610589153.3A CN201610589153A CN107650321A CN 107650321 A CN107650321 A CN 107650321A CN 201610589153 A CN201610589153 A CN 201610589153A CN 107650321 A CN107650321 A CN 107650321A
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- Prior art keywords
- heated
- extrusion
- injection
- new type
- molding process
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- 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.)
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0005—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fibre reinforcements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
- B21J5/025—Closed die forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14008—Inserting articles into the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a kind of new type of safe automobile bumper injection molding process, specific steps include：1) mould prepares；2) lay prefabricated；3) pretreatment of raw material；4) it is molded；5) crossbeam is molded；6) energy-absorption box is molded；7) cover plate is molded；8) demoulding solidification；9) it is surface-treated；The moulding process of bumper provided by the invention, with production efficiency is high, product production cost is low, finished product quality and quality defectses are few.
Description
Technical field
The present invention relates to a kind of automobile production technology field, specifically a kind of new type of safe automobile bumper injection molding work
Skill.
Background technology
Bumper is to absorb and slow down foreign impacts power, the safety device of protection vehicle body front and rear part；Bumper
Crossbeam, the energy-absorption box for being connected to crossbeam both ends and the cover plate on the outside of crossbeam and energy-absorption box are generally comprised, is also set up on crossbeam
There are support and bail, support is bumper is fixed on body of a motor car, and bail is in vehicle failure and trailer
Connection.At present, the material of bumper is manufactured still based on the materials such as polyurethane elastomer, ABS, polyurethane elastomer,
The materials such as ABS have been effectively promoted the development of automotive light weight technology, but manufacturing process is cumbersome, and product exist it is expensive,
Surface unsightly, there is the problems such as being short of to a certain degree in performance so that automobile made of the material such as urethane elastomer, ABS is protected
Dangerous thick stick can not meet consumer demand in economy and security.Fastened now in some high-end cars, by aluminum alloy materials
For the bumper manufactured using more and more, aluminum alloy materials in buffering foreign impacts power and reduce the side such as car body weight because of it
Face excellent performance, therefore just turning into the ideal material of bumper.But the life of bumper is manufactured with aluminum alloy materials
Production. art is ripe not enough at present, however it remains cost is higher, production efficiency is relatively low, performance can not reach requirement etc. and ask
Topic.Now, injection molding process improves production efficiency direction and developed, typically imitated to improve production towards injection cycle is shortened
Rate, increase plasticizing capacity is employed in injection mold injection moulding process, shorten injection time, accelerate template movement speed etc., separately
Outside, the improvement about injection mold injection system, the improvement of clamping system, change of cooling effectiveness method etc. are also taken, its
Purpose is exactly to save the time, shortens the production cycle, increases yield.
The content of the invention
It is an object of the invention to provide a kind of new type of safe automobile bumper injection molding process, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of new type of safe automobile bumper injection molding process, is concretely comprised the following steps：
(1) mould prepares：The operating platform that die surface carries with mould is cleaned up using ultrasonic washing instrument, with
Cleaned up afterwards using ethanol；After cleaning up, uniformly brushed clockwise using releasing agent, using clean after brushing
Cotton gauze clean；
(2) lay prefabricated：Carbon fibre reinforcement is pre-placed in the inner chamber of mould, after adding silica column, in 42-
50 DEG C, under 10-20MPa, inject and be impregnated with carbon fibre reinforcement by injection needle；
(3) pretreatment of raw material：Selection makrolon, polyvinyl chloride and carbon dioxide are melted, then by molten condition
Said mixture by nozzle injection to dies cavity；
(4) it is molded：Thermoplastic is put into injection machine, the heating-up temperature of injection tube is 340-360 DEG C, and injection speed is
40-60cm3/ s, injection pressure 50-60MPa, is cooled to room temperature；
(5) crossbeam is molded：Silico-aluminum ingot casting is heated to 920-980 DEG C, extrusion die is heated to 1100-1200 DEG C,
Recipient is heated to 1050-1100 DEG C, extrusion coefficient 18.5-19.5, extrusion speed 5.0-6.0m/min；
(6) energy-absorption box is molded：Magnesium alloy ingot casting is heated to 520-600 DEG C, extrusion die is heated to 650-750 DEG C,
Recipient is heated to 600-650 DEG C, extrusion coefficient 25.0-26.0, extrusion speed 5.0-6.0m/min；
(7) cover plate is molded：Wolfram steel ingot casting is heated to 750-800 DEG C, extrusion die is heated to 850-900 DEG C, recipient
It is heated to 800-850 DEG C, extrusion coefficient 32.0-33.0, extrusion speed 4.0-5.0m/min；
(8) demoulding solidification：After the assay was approved, it is stripped and solidifies 12h in an oven, temperature is 120-180 DEG C；
(9) it is surface-treated：Product surface is polished and blasting treatment.
As the further scheme of the present invention：Described in step (2) under 46 DEG C, 15MPa, by injection needle injection and
It is impregnated with carbon fibre reinforcement.
As the further scheme of the present invention：The heating-up temperature of injection tube described in step (4) is 350 DEG C, injection speed
For 50cm3/ s, injection pressure 55MPa.
As the further scheme of the present invention：Silico-aluminum ingot casting is heated to 950 DEG C described in step (5), extrusion die
Tool is heated to 1150 DEG C, and recipient is heated to 1080 DEG C, extrusion coefficient 19.0, extrusion speed 5.5m/min.
As the further scheme of the present invention：Magnesium alloy ingot casting is heated to 560 DEG C described in step (6), extrusion die
Tool is heated to 700 DEG C, and recipient is heated to 630 DEG C, extrusion coefficient 25.5, extrusion speed 5.5m/min.
As the further scheme of the present invention：Wolfram steel ingot casting is heated to 780 DEG C described in step (7), extrusion die adds
Heat is to 870 DEG C, and recipient is heated to 830 DEG C, extrusion coefficient 32.5, extrusion speed 4.5m/min.
Compared with prior art, the beneficial effects of the invention are as follows：
The moulding process of bumper provided by the invention, have production efficiency height, product production cost low, finished product
Quality is few with quality defectses.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of new type of safe automobile bumper injection molding process, is concretely comprised the following steps：
(1) mould prepares：The operating platform that die surface carries with mould is cleaned up using ultrasonic washing instrument, with
Cleaned up afterwards using ethanol；After cleaning up, uniformly brushed clockwise using releasing agent, using clean after brushing
Cotton gauze clean；
(2) lay prefabricated：Carbon fibre reinforcement is pre-placed in the inner chamber of mould, after adding silica column, 42
DEG C, under 10MPa, inject and be impregnated with carbon fibre reinforcement by injection needle；
(3) pretreatment of raw material：Selection makrolon, polyvinyl chloride and carbon dioxide are melted, then by molten condition
Said mixture by nozzle injection to dies cavity；
(4) it is molded：Thermoplastic is put into injection machine, the heating-up temperature of injection tube is 340 DEG C, and injection speed is
40cm3/ s, injection pressure 50MPa, is cooled to room temperature；
(5) crossbeam is molded：Silico-aluminum ingot casting is heated to 920 DEG C, extrusion die is heated to 1100 DEG C, recipient heating
To 1050 DEG C, extrusion coefficient 18.5, extrusion speed 5.0m/min；
(6) energy-absorption box is molded：Magnesium alloy ingot casting is heated to 520 DEG C, extrusion die is heated to 650 DEG C, and recipient adds
Hot to 600 DEG C, extrusion coefficient 25.0, extrusion speed 5.0m/min；
(7) cover plate is molded：Wolfram steel ingot casting is heated to 750 DEG C, extrusion die is heated to 850 DEG C, and recipient is heated to 800
DEG C, extrusion coefficient 32.0, extrusion speed 4.0m/min；
(8) demoulding solidification：After the assay was approved, it is stripped and solidifies 12h in an oven, temperature is 120 DEG C；
(9) it is surface-treated：Product surface is polished and blasting treatment.
Embodiment 2
A kind of new type of safe automobile bumper injection molding process, is concretely comprised the following steps：
(1) mould prepares：The operating platform that die surface carries with mould is cleaned up using ultrasonic washing instrument, with
Cleaned up afterwards using ethanol；After cleaning up, uniformly brushed clockwise using releasing agent, using clean after brushing
Cotton gauze clean；
(2) lay prefabricated：Carbon fibre reinforcement is pre-placed in the inner chamber of mould, after adding silica column, 46
DEG C, under 15MPa, inject and be impregnated with carbon fibre reinforcement by injection needle；
(3) pretreatment of raw material：Selection makrolon, polyvinyl chloride and carbon dioxide are melted, then by molten condition
Said mixture by nozzle injection to dies cavity；
(4) it is molded：Thermoplastic is put into injection machine, the heating-up temperature of injection tube is 350 DEG C, and injection speed is
50cm3/ s, injection pressure 55MPa, is cooled to room temperature；
(5) crossbeam is molded：Silico-aluminum ingot casting is heated to 950 DEG C, extrusion die is heated to 1150 DEG C, recipient heating
To 1080 DEG C, extrusion coefficient 19.0, extrusion speed 5.5m/min；
(6) energy-absorption box is molded：Magnesium alloy ingot casting is heated to 560 DEG C, extrusion die is heated to 700 DEG C, and recipient adds
Hot to 630 DEG C, extrusion coefficient 25.5, extrusion speed 5.5m/min；
(7) cover plate is molded：Wolfram steel ingot casting is heated to 780 DEG C, extrusion die is heated to 870 DEG C, and recipient is heated to 830
DEG C, extrusion coefficient 32.5, extrusion speed 4.5m/min；
(8) demoulding solidification：After the assay was approved, it is stripped and solidifies 12h in an oven, temperature is 150 DEG C；
(9) it is surface-treated：Product surface is polished and blasting treatment.
Embodiment 3
A kind of new type of safe automobile bumper injection molding process, is concretely comprised the following steps：
(1) mould prepares：The operating platform that die surface carries with mould is cleaned up using ultrasonic washing instrument, with
Cleaned up afterwards using ethanol；After cleaning up, uniformly brushed clockwise using releasing agent, using clean after brushing
Cotton gauze clean；
(2) lay prefabricated：Carbon fibre reinforcement is pre-placed in the inner chamber of mould, after adding silica column, 50
DEG C, under 20MPa, inject and be impregnated with carbon fibre reinforcement by injection needle；
(3) pretreatment of raw material：Selection makrolon, polyvinyl chloride and carbon dioxide are melted, then by molten condition
Said mixture by nozzle injection to dies cavity；
(4) it is molded：Thermoplastic is put into injection machine, the heating-up temperature of injection tube is 360 DEG C, and injection speed is
60cm3/ s, injection pressure 60MPa, is cooled to room temperature；
(5) crossbeam is molded：Silico-aluminum ingot casting is heated to 980 DEG C, extrusion die is heated to 1200 DEG C, recipient heating
To 1100 DEG C, extrusion coefficient 19.5, extrusion speed 6.0m/min；
(6) energy-absorption box is molded：Magnesium alloy ingot casting is heated to 600 DEG C, extrusion die is heated to 750 DEG C, and recipient adds
Hot to 650 DEG C, extrusion coefficient 26.0, extrusion speed 6.0m/min；
(7) cover plate is molded：Wolfram steel ingot casting is heated to 800 DEG C, extrusion die is heated to 900 DEG C, and recipient is heated to 850
DEG C, extrusion coefficient 33.0, extrusion speed 5.0m/min；
(8) demoulding solidification：After the assay was approved, it is stripped and solidifies 12h in an oven, temperature is 180 DEG C；
(9) it is surface-treated：Product surface is polished and blasting treatment.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of new type of safe automobile bumper injection molding process, it is characterised in that concretely comprise the following steps：
(1) mould prepares：The operating platform that die surface carries with mould is cleaned up using ultrasonic washing instrument, then made
Cleaned up with ethanol；After cleaning up, uniformly brushed clockwise using releasing agent, clean cotton is used after brushing
Gauze is cleaned；
(2) lay prefabricated：Carbon fibre reinforcement is pre-placed in the inner chamber of mould, after adding silica column, in 42-50
DEG C, under 10-20MPa, inject and be impregnated with carbon fibre reinforcement by injection needle；
(3) pretreatment of raw material：Selection makrolon, polyvinyl chloride and carbon dioxide are melted, then by the upper of molten condition
Mixture is stated by nozzle injection to dies cavity；
(4) it is molded：Thermoplastic is put into injection machine, the heating-up temperature of injection tube is 340-360 DEG C, injection speed 40-
60cm3/ s, injection pressure 50-60MPa, is cooled to room temperature；
(5) crossbeam is molded：Silico-aluminum ingot casting is heated to 920-980 DEG C, extrusion die is heated to 1100-1200 DEG C, extruding
Cylinder is heated to 1050-1100 DEG C, extrusion coefficient 18.5-19.5, extrusion speed 5.0-6.0m/min；
(6) energy-absorption box is molded：Magnesium alloy ingot casting is heated to 520-600 DEG C, extrusion die is heated to 650-750 DEG C, extruding
Cylinder is heated to 600-650 DEG C, extrusion coefficient 25.0-26.0, extrusion speed 5.0-6.0m/min；
(7) cover plate is molded：Wolfram steel ingot casting is heated to 750-800 DEG C, extrusion die is heated to 850-900 DEG C, recipient heating
To 800-850 DEG C, extrusion coefficient 32.0-33.0, extrusion speed 4.0-5.0m/min；
(8) demoulding solidification：After the assay was approved, it is stripped and solidifies 12h in an oven, temperature is 120-180 DEG C；
(9) it is surface-treated：Product surface is polished and blasting treatment.
2. new type of safe automobile bumper injection molding process according to claim 1, it is characterised in that in step (2)
It is described under 46 DEG C, 15MPa, injected by injection needle and be impregnated with carbon fibre reinforcement.
3. new type of safe automobile bumper injection molding process according to claim 1 or 2, it is characterised in that step (4)
Described in injection tube heating-up temperature be 350 DEG C, injection speed 50cm3/ s, injection pressure 55MPa.
4. new type of safe automobile bumper injection molding process according to claim 3, it is characterised in that in step (5)
Described that silico-aluminum ingot casting is heated into 950 DEG C, extrusion die is heated to 1150 DEG C, and recipient is heated to 1080 DEG C, extruding system
Number is 19.0, extrusion speed 5.5m/min.
5. new type of safe automobile bumper injection molding process according to claim 4, it is characterised in that in step (6)
Described that magnesium alloy ingot casting is heated into 560 DEG C, extrusion die is heated to 700 DEG C, and recipient is heated to 630 DEG C, extrusion coefficient
For 25.5, extrusion speed 5.5m/min.
6. new type of safe automobile bumper injection molding process according to claim 5, it is characterised in that in step (7)
Described that wolfram steel ingot casting is heated into 780 DEG C, extrusion die is heated to 870 DEG C, and recipient is heated to 830 DEG C, and extrusion coefficient is
32.5, extrusion speed 4.5m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589153.3A CN107650321A (en) | 2016-07-25 | 2016-07-25 | A kind of new type of safe automobile bumper injection molding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589153.3A CN107650321A (en) | 2016-07-25 | 2016-07-25 | A kind of new type of safe automobile bumper injection molding process |
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| Publication Number | Publication Date |
|---|---|
| CN107650321A true CN107650321A (en) | 2018-02-02 |
Family
ID=61127081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610589153.3A Pending CN107650321A (en) | 2016-07-25 | 2016-07-25 | A kind of new type of safe automobile bumper injection molding process |
Country Status (1)
| Country | Link |
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| CN (1) | CN107650321A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130081A (en) * | 2018-08-08 | 2019-01-04 | 天津金派英克莱自行车股份有限公司 | A kind of production method based on electric-bicycle storage-battery box |
| CN112848185A (en) * | 2020-12-29 | 2021-05-28 | 常州鑫凯车辆部件有限公司 | Injection molding process of automobile bumper |
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| US5753164A (en) * | 1995-08-30 | 1998-05-19 | The Budd Company | Automated thermoset molding method |
| JP2003082072A (en) * | 2001-09-14 | 2003-03-19 | Teijin Meton Kk | Fiber-reinforced resin formed body and method of producing the same |
| JP2004183008A (en) * | 2002-11-29 | 2004-07-02 | Sumitomo Metal Ind Ltd | Steel for plastic-molding die |
| CN1876443A (en) * | 2006-06-01 | 2006-12-13 | 肖忠渊 | Impact-proof safe bumper for motor vehicle manufactured by carbon fiber composite material |
| CN101899220A (en) * | 2009-12-25 | 2010-12-01 | 北京中拓机械有限责任公司 | Fibrous resin thin-wall product and production method thereof |
| CN103934951A (en) * | 2014-04-03 | 2014-07-23 | 苏州益群模具有限公司 | Injection molding process for car bumpers |
| CN104071106A (en) * | 2014-07-22 | 2014-10-01 | 辽宁忠旺集团有限公司 | Production technology for aluminium alloy bumper for automobiles |
| CN105383071A (en) * | 2015-11-23 | 2016-03-09 | 天津华夏联盛汽车部件有限公司 | Manufacturing and forming process for automobile bumper |
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2016
- 2016-07-25 CN CN201610589153.3A patent/CN107650321A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5753164A (en) * | 1995-08-30 | 1998-05-19 | The Budd Company | Automated thermoset molding method |
| JP2003082072A (en) * | 2001-09-14 | 2003-03-19 | Teijin Meton Kk | Fiber-reinforced resin formed body and method of producing the same |
| JP2004183008A (en) * | 2002-11-29 | 2004-07-02 | Sumitomo Metal Ind Ltd | Steel for plastic-molding die |
| CN1876443A (en) * | 2006-06-01 | 2006-12-13 | 肖忠渊 | Impact-proof safe bumper for motor vehicle manufactured by carbon fiber composite material |
| CN101899220A (en) * | 2009-12-25 | 2010-12-01 | 北京中拓机械有限责任公司 | Fibrous resin thin-wall product and production method thereof |
| CN103934951A (en) * | 2014-04-03 | 2014-07-23 | 苏州益群模具有限公司 | Injection molding process for car bumpers |
| CN104071106A (en) * | 2014-07-22 | 2014-10-01 | 辽宁忠旺集团有限公司 | Production technology for aluminium alloy bumper for automobiles |
| CN105383071A (en) * | 2015-11-23 | 2016-03-09 | 天津华夏联盛汽车部件有限公司 | Manufacturing and forming process for automobile bumper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130081A (en) * | 2018-08-08 | 2019-01-04 | 天津金派英克莱自行车股份有限公司 | A kind of production method based on electric-bicycle storage-battery box |
| CN112848185A (en) * | 2020-12-29 | 2021-05-28 | 常州鑫凯车辆部件有限公司 | Injection molding process of automobile bumper |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180529 Address after: 518116 group 9, group B, Baolong Road, Longgang District, Shenzhen, Guangdong. Applicant after: Kunda Mold (Shenzhen) Co., Ltd. Address before: 100070 room 226, 2 building, 9 Haiying Road, Science City, Fengtai District, Beijing (Park) Applicant before: Beijing chrysanthemum Beijing Great Automotive Components Company Limited |
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Application publication date: 20180202 |
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