CN106626340A - Spiral spring production method based on continuous fibers - Google Patents
Spiral spring production method based on continuous fibers Download PDFInfo
- Publication number
- CN106626340A CN106626340A CN201611092175.5A CN201611092175A CN106626340A CN 106626340 A CN106626340 A CN 106626340A CN 201611092175 A CN201611092175 A CN 201611092175A CN 106626340 A CN106626340 A CN 106626340A
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- CN
- China
- Prior art keywords
- continuous fiber
- core
- helical spring
- continuous
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/14—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length of filaments or wires
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/82—Cores or mandrels
- B29C53/821—Mandrels especially adapted for winding and joining
- B29C53/825—Mandrels especially adapted for winding and joining for continuous winding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/774—Springs
- B29L2031/7742—Springs helical springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a spiral spring production method based on continuous fibers and relates to a composite part forming technology. In the invention, the production of a spiral spring is realized based on continuous fiber reinforcement through the processes of resin wetting, prepreg coating, vacuum assisted resin injection, mandrel winding and demoulding. According to the experimental result, the produced spiral spring based on continuous fibers can be lightened by 40-60% in comparison with the traditional spiral spring, the fatigue life is prolonged by 80%, and the rigidity coefficient is improved by 1-2 times. Moreover, the spiral spring also has the advantages of relatively high specific strength and specific rigidity, good corrosion resistance, impact resistance and high-temperature property, good surface quality, simple forming technology, little pollution to a forming mould, and the like.
Description
Technical field
The invention belongs to composite material parts forming technique field, and in particular to a kind of helical spring based on continuous fiber
Manufacture method.
Background technology
Helical spring based on continuous lod is because with higher specific strength, specific stiffness and good anticorrosive
Property, fatigue resistance, impact resistance and high-temperature behavior so as to have in Aeronautics and Astronautics, national defence, high ferro, automobile and other industries very wide
Application prospect.Regrettably, by pultrude process, " spring rate is low, spring forming table for the helical spring presence of manufacture
Face is of poor quality, complex forming technology, mold fouling and equipment cost are high " the problems such as.
The content of the invention
The invention provides a kind of helical spring based on continuous fiber manufactures new method, its objective is to overcome existing pultrusion
Technique manufacture helical spring method exist " spring rate is low, surface quality is poor, complex forming technology, mold fouling
And equipment cost is high " the shortcomings of, there is provided a kind of " stiffness coefficient is big, surface quality is good, moulding process is simple " based on continuous fibre
Enhanced High performance spiral spring producing method is tieed up, so as to improve fiber reinforcement helical spring Forming Theory, its technology wound is realized
Newly, it is promoted in the application of the industrial technologies such as China's Aeronautics and Astronautics, national defence, high ferro, automobile.With reference to Figure of description, the present invention
Technical scheme it is as follows：
A kind of helical spring manufacture method based on continuous fiber, manufacture method step is as follows：
Step one, rolls continuous fiber as reinforcement；
Step 2, by the continuous fiber after rolling resin infiltration is carried out；
Step 3, by the continuous fiber that the process of Jing step 2 is completed core winding is carried out；
Step 4, after the continuous fiber solidification on core to be wound, the demoulding is taken out.
In the step one, the continuous fiber for adopting is filament or fabric；The process for rolling continuous fiber is：Even
Continuous fiber is independently rolled, continuous fiber roll manufacture-illegal metal core, continuous fiber roll metal-cored material or continuous fiber roll manufacture-illegal gold
Category/metal hybrid composite core material.
The nonmetallic core is made up of at least one of filament, resin, polyether-ether-ketone, polyurethane or nylon material；
The metal core is made up of at least one of aluminium alloy, magnesium alloy or copper metal；
The hybrid composite manner core is that at least one of described nonmetallic core is mixed with least one of metal core (23)
Conjunction is made.
The detailed process of the step 2 is：
Continuous lod body after first rolling is put in the immersion slot equipped with resin and once infiltrates, and then will once soak
Continuous fiber after profit is placed in cage walls, and using the secondary infiltration of VARI technique；Or, after first rolling
Continuous lod body be placed in cage walls, once infiltrate only with VARI technique.
The cage walls are micro-elasticity silica gel hose, latex flexible pipe or PVC hose.
The core is water-soluble mould, die made with lowmelting point alloy, combined metal mould, the auxiliary rubber pattern of gas, paraffin mould, sand mold
Mould, mud mould or spiral metal wire mould.
Compared with prior art, the beneficial effects of the present invention is：
Helical spring manufacture method of the present invention based on continuous fiber, by the innovation of forming technology, infiltrate by resin,
Prepreg cladding, VARI, core winding and releasing process, it can solve the problem that the spiral bullet that pultrude process is manufactured
" spring rate is low, spring surface is of poor quality, forming process is complicated, mold fouling and equipment cost are high " of spring presence etc. is
Row problem.Test result indicate that the helical spring based on continuous fiber produced by the method for the invention, more traditional spiral shell
Rotation spring can loss of weight 40%-60%, improve fatigue life 80%, improve 1-2 times of stiffness coefficient.Additionally, passing through institute of the present invention
It also has higher specific strength, specific stiffness with the helical spring based on continuous fiber that the method for stating is produced, and good is anticorrosive
Property, impact resistance, high-temperature behavior, and surface quality is good, forming technology simple, it is little to mould pollution the advantages of.
Description of the drawings
Fig. 1 is a kind of process chart of helical spring manufacture method based on continuous fiber of the present invention.
Fig. 2 is the helical spring sectional view based on continuous fiber of different composition structures, wherein：
Fig. 2 a are the helical spring sectional view by made by continuous fiber individual volume；
Fig. 2 b are the helical spring sectional view by made by continuous fiber roll nonmetallic core；
Fig. 2 c are the helical spring sectional view by made by continuous fiber roll metal core；
Fig. 2 d be by continuous fiber roll it is nonmetallic/metal hybrid composite core material made by helical spring sectional view.
In figure：
1- continuous fibers；The pre- immersion troughs of 2-；3- resin prepreg materials；4- fibre resin prepregs；
5- cage walls；6- compression pumps；7- air inlet pipe；8- intake valves；
9- pressure gauges；10- resin prepreg batch cans；11- glue inlet tubes；12- enters glue valve；
13- goes out sebific duct；14- plastic emitting valves；15- vacuum meters；16- bottle,suctions；
17- exhaust tubes；18- air outlet valves；19- vavuum pumps；20- cores；
Helical springs of the 21- based on continuous fiber；The nonmetallic cores of 22-；23- metal cores；24- hybrid composite manner cores
Material.
Specific embodiment
In order to further illustrate technical scheme, with reference to Figure of description, the specific embodiment of the present invention is such as
Under：
As shown in figure 1, the invention discloses a kind of helical spring manufacture method based on continuous fiber, detailed process is such as
Under：
S1：Roll continuous fiber；
Continuous fiber is rolled as reinforcement, only can independently be rolled by continuous fiber 1 during this, it is also possible to by continuous
Fiber 1 rolls the one kind in nonmetallic core 22, metal core 23 or nonmetallic/metal hybrid composite core material 24.
S2：Resin infiltration；
Continuous lod body after rolling is put into pre- immersion trough 2, and resin prepreg material 3 is housed in pre- immersion trough 2, prepares fiber
Resin prepreg material 4；
S3：Secondary resin infiltrates；
The pultrusion of fibre resin prepreg 4 is entered in cage walls 5, the cage walls 5 are micro-elasticity silica gel hose, latex flexible pipe
Or PVC hose etc.；And using VARI technique, by VARI equipment, to having been enter into cladding
The secondary resin of fibre resin prepreg 4 infiltration in pipe 5；
The VARI equipment by entering adhesive dispenser and discharging device is constituted, wherein, it is described enter adhesive dispenser by
Successively pipeline connection is constituted for compression pump 6, air inlet pipe 7, resin prepreg batch can 10 and glue inlet tube 11, on resin prepreg batch can 10 also
Pressure gauge 9 is installed, intake valve 8 is installed on the pipeline of air inlet pipe 7, be provided with the pipeline of glue inlet tube 11 into glue valve
12；By sebific duct 13, bottle,suction 16, exhaust tube 17 and vavuum pump 19 is gone out, successively pipeline connection is constituted the discharging device, in suction filtration
Vacuum meter 15 is installed on bottle, plastic emitting valve 14 is installed on the pipeline for going out sebific duct 13, be provided with the pipeline of exhaust tube 17
Air outlet valve 18.One end of fibre resin prepreg 4 of the outer layer with cage walls 5 is connected with the tail end of glue inlet tube 11, it is another
End is connected with the head end for going out sebific duct 13, by controlling, into adhesive dispenser and discharging device, to realize two to fibre resin prepreg 4
Secondary abundant resin infiltration；
S4：Twine mould solidification；
The fibre resin prepreg 4 for completing secondary abundant resin infiltration is wound on core 20, puts solid at room temperature
Change or heating is solidified, the core 20 is water-soluble mould, die made with lowmelting point alloy, combined metal mould, the auxiliary rubber pattern of gas, stone
Wax-pattern, sand mould, mud mould or spiral metal wire mould etc.；
S5：Shaping and demoulding；
Fibre resin prepreg 4 after solidification is the helical spring being molded, it is retracted from core 20, extremely
This, completes the manufacture based on the helical spring 21 of continuous fiber.
It should be noted that in addition to the above operation, above-mentioned processing step can according to actual needs adjust operation and be：
Continuous lod body after rolling only carries out above-mentioned S3 steps, will continuous fiber pultrusion enter in cage walls,
And using VARI technique, by VARI equipment, to the continuous fibre having been enter in cage walls
Dimension carries out a resin infiltration, and detailed process is as previously mentioned.
Roll under this operation continuous fiber, twine mould solidification and shaping and demoulding it is same as described above, here is omitted.
According to above-mentioned steps S1, according to the different composition structures of the continuous lod body for being rolled, the present invention
Described method can manufacture the helical springs based on continuous fiber of different composition structures, its each section as shown in Fig. 2 its
In：
As shown in Figure 2 a, it is the helical spring cross section structure by made by the individual volume of continuous fiber 1；
As shown in Figure 2 b, it is the helical spring sectional view by made by continuous fiber nonmetallic core 22 of volume 1, wherein, it is described
Nonmetallic core 22 is made by least one or more of in the material such as filament, resin, polyether-ether-ketone, polyurethane, nylon
Nonmetallic core；
As shown in Figure 2 c, it is the helical spring sectional view by made by continuous fiber metal core 23 of volume 1, wherein, the gold
Category core 23 be at least one of metal material such as aluminium alloy, magnesium alloy, copper or it is various made by it is metal-cored；
As shown in Figure 2 d, it is the helical spring section by made by continuous fiber nonmetallic/metal hybrid composite core material 24 of volume 1
Figure, wherein, the hybrid composite manner core 24 be above-mentioned nonmetallic core in it is at least one with it is above-mentioned it is metal-cored at least one
Hybrid composite manner core made by mixing.
Claims (6)
1. a kind of helical spring manufacture method based on continuous fiber, it is characterised in that：Manufacture method step is as follows：
Step one, rolls continuous fiber as reinforcement；
Step 2, by the continuous fiber after rolling resin infiltration is carried out；
Step 3, by the continuous fiber that the process of Jing step 2 is completed core winding is carried out；
Step 4, after the continuous fiber solidification on core to be wound, the demoulding is taken out.
2. a kind of helical spring manufacture method based on continuous fiber according to claim 1, it is characterised in that：
In the step one, the continuous fiber for adopting is filament or fabric；The process for rolling continuous fiber is：It is continuous fine
Dimension is independently rolled, continuous fiber roll manufacture-illegal metal core, continuous fiber roll metal-cored material or continuous fiber roll manufacture-illegal metal/gold
Category hybrid composite manner core.
3. the helical spring manufacture method of a kind of continuous fiber according to claim 2, it is characterised in that：
The nonmetallic core is made up of at least one of filament, resin, polyether-ether-ketone, polyurethane or nylon material；
The metal core is made up of at least one of aluminium alloy, magnesium alloy or copper metal；
The hybrid composite manner core is at least one of described nonmetallic core and at least one of metal core is mixed.
4. a kind of helical spring manufacture method based on continuous fiber according to claim 1, it is characterised in that：
The detailed process of the step 2 is：
Continuous lod body after first rolling is put in the immersion slot equipped with resin and once infiltrates, after then once infiltrating
Continuous fiber be placed in cage walls, and using the secondary infiltration of VARI technique；Or, first by the company after rolling
Continuous fibre reinforcement is placed in cage walls, is once infiltrated only with VARI technique.
5. the helical spring manufacture method of a kind of continuous fiber according to claim 4, it is characterised in that：The cage walls
For micro-elasticity silica gel hose, latex flexible pipe or PVC hose.
6. the helical spring manufacture method of a kind of continuous fiber according to claim 1, it is characterised in that：The core is
Water-soluble mould, die made with lowmelting point alloy, combined metal mould, the auxiliary rubber pattern of gas, paraffin mould, sand mould, mud mould or spiral metal wire
Mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611092175.5A CN106626340A (en) | 2016-12-02 | 2016-12-02 | Spiral spring production method based on continuous fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611092175.5A CN106626340A (en) | 2016-12-02 | 2016-12-02 | Spiral spring production method based on continuous fibers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106626340A true CN106626340A (en) | 2017-05-10 |
Family
ID=58814717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611092175.5A Pending CN106626340A (en) | 2016-12-02 | 2016-12-02 | Spiral spring production method based on continuous fibers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106626340A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160710A (en) * | 2017-07-25 | 2017-09-15 | 哈尔滨工业大学 | A kind of composite material rectangular section floating die assembly and the method that spring is prepared using the mould |
| CN111355010A (en) * | 2020-03-16 | 2020-06-30 | 北京航空航天大学 | Composite material helical antenna and preparation method thereof |
| CN112178096A (en) * | 2020-09-15 | 2021-01-05 | 南京大学 | Wood spring and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1480658A (en) * | 2002-09-05 | 2004-03-10 | 私立逢甲大学 | Helical spring structure in knitting operation made from composite material and its manufacturing method |
| CN102328443A (en) * | 2011-09-30 | 2012-01-25 | 台州市家得宝日用品有限公司 | Method and equipment for producing continuous fiber-reinforced thermoplastic composite material prepreg tape |
| CN103692661A (en) * | 2013-12-23 | 2014-04-02 | 刘汝斌 | Vacuum forming process for winding composite material |
-
2016
- 2016-12-02 CN CN201611092175.5A patent/CN106626340A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1480658A (en) * | 2002-09-05 | 2004-03-10 | 私立逢甲大学 | Helical spring structure in knitting operation made from composite material and its manufacturing method |
| CN102328443A (en) * | 2011-09-30 | 2012-01-25 | 台州市家得宝日用品有限公司 | Method and equipment for producing continuous fiber-reinforced thermoplastic composite material prepreg tape |
| CN103692661A (en) * | 2013-12-23 | 2014-04-02 | 刘汝斌 | Vacuum forming process for winding composite material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160710A (en) * | 2017-07-25 | 2017-09-15 | 哈尔滨工业大学 | A kind of composite material rectangular section floating die assembly and the method that spring is prepared using the mould |
| CN111355010A (en) * | 2020-03-16 | 2020-06-30 | 北京航空航天大学 | Composite material helical antenna and preparation method thereof |
| CN112178096A (en) * | 2020-09-15 | 2021-01-05 | 南京大学 | Wood spring and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170510 |