CN110861315A - Method for integrally forming and manufacturing balance car by using fiber composite material - Google Patents
Method for integrally forming and manufacturing balance car by using fiber composite material Download PDFInfo
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- CN110861315A CN110861315A CN201911167824.7A CN201911167824A CN110861315A CN 110861315 A CN110861315 A CN 110861315A CN 201911167824 A CN201911167824 A CN 201911167824A CN 110861315 A CN110861315 A CN 110861315A
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- balance car
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- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
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- 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
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
A method for integrally forming and manufacturing a balance car by using fiber composite materials is characterized in that the fiber composite material prepreg cloth is subjected to material cutting, mold preparation and material laying according to the structure of the balance car, and finally hot-pressing, pressurizing and curing are carried out, and molding and demolding are carried out, so that the integrated manufacturing of the balance car is realized, the manufacturing strength of the balance car is ensured, the balance car is light and attractive, and the texture and the competitiveness of a product are improved; secondly, the invention adopts the blowing forming process combining the silicon rubber tube, the PU tube and the nylon tube, improves the quality hidden trouble of the crease on the inner wall of the product under the condition of ensuring the strength of the product, and improves the stability and the competitiveness of the product quality. The method integrally forms the balance car through the fiber composite material, improves the quality hidden trouble of the crease marks on the inner wall of the product, not only ensures the manufacturing strength of the balance car, but also achieves the purposes of portability and beauty, and improves the texture and competitiveness of the product.
Description
Technical Field
The invention relates to a method for manufacturing a balance car, in particular to a method for integrally forming and manufacturing the balance car by using a fiber composite material.
Background
At present, a child balance car is designed for infants to exercise the balance ability of the infants, the infants need to continuously pedal the ground with feet to provide sliding power, and the child balance car is a walking, sports and entertainment tool suitable for the infants of 2-5 years old, so that the children can enjoy sports better.
In the prior art, the child balance car is generally made of metal (steel and aluminum alloy) or wood materials, but the car made of metal has heavy weight, obvious welding marks and high cost; and the vehicle made of wood materials has poor stability and slightly low durability. The child balance car made of the two materials cannot well meet the actual use requirements.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a method for integrally manufacturing a balance car by using a fiber composite material, which can be integrally manufactured, is light and attractive and ensures the strength of a car frame.
The technical problem to be solved by the present invention is achieved by the following technical means. The invention relates to a method for integrally forming and manufacturing a balance car by using a fiber composite material, which comprises the following steps:
(1) cutting materials:
cutting the fiber prepreg with the protective film according to the prepared sample plate, and paying attention to the type, specification and fiber direction of the fiber prepreg and the corresponding sample plate number during cutting;
(2) preparing a mould:
firstly, wiping the surface of a balance car mold clean by using a soft rag, and then coating a release agent on the surface of a mold cavity;
(3) laying:
(3.1) preparing a roll core, an air bag, an air nozzle, an adhesive tape, a PU tube, a silicone tube and a nylon tube;
(3.2) sticking materials by using a roll core and a PU pipe according to a structural diagram of the balance car, closing the mould after the first layer is stuck, positioning by using a carbon fiber shell, repeatedly sticking a second layer, a third layer, a fourth layer and a fifth layer according to the structural requirements, compacting the prepreg cloth by using a tool after each layer is paved, and finally, pulling out a core mould to self-check the size, the shape and the weight;
(3.3) preforming, namely overlapping the rolled parts of the balance car according to the structural drawing requirement of the balance car, positioning by using a carbon fiber shell, sleeving a silicon rubber tube on an inner hole through a nylon tube, connecting an air bag to test blowing air, threading an air nozzle, wrapping the tail by using an adhesive tape, and self-checking the size, the shape and the weight;
(4) hot-pressing, pressurizing and curing:
putting the preformed balance car into a mould, pushing a hot-pressing furnace platform, inserting an air pipe, and heating and pressurizing the mould by using the hot-pressing furnace platform to form the balance car in the mould;
(5) after cooling and demolding, removing resin and burrs extruded from the periphery of the balance car, and polishing and trimming the periphery according to the shape of the balance car;
(6) drawing out the air bag, the PU pipe, the silicone tube and the nylon pipe, and trimming burrs in the pipe holes of the head;
(7) cutting the tail and the groove of the port of the seat tube by using special equipment and a clamping jig;
(8) and (5) performing appearance polishing and coating.
The technical problem to be solved by the present invention can be further solved by the following technical scheme, in the above method for integrally forming and manufacturing a balance car by using a fiber composite material, the fiber prepreg in the step (1) is at least one of the following three materials:
a. the carbon fiber 3K woven prepreg cloth has the specification of 200g/m2The resin content is 43-45%;
b. the specification of the carbon fiber unidirectional prepreg cloth is 100g/m2The resin content is 36-38%;
c. the specification of the glass fiber unidirectional prepreg cloth is 150g/m2The resin content is 35-40%;
the technical problem to be solved by the present invention can be further solved by the following technical scheme that in the above method for integrally forming and manufacturing the balance car by using the fiber composite material, in the step (4), the heating temperature is 150 ℃, and the external pressure is 100kg/cm2Internal pressure of 10kg/cm2 and curing time of 50 minutes。
The technical problem to be solved by the invention can be further realized by the following technical scheme that in the step (3.2) of the method for integrally forming and manufacturing the balance car by using the fiber composite material, the first layer is paved at an angle of +45 degrees by using the glass fiber material, the second layer is paved at an angle of 0 degree by using the glass fiber material, the third layer is paved at an angle of 90 degrees by using the glass fiber material, the fourth layer is paved at an angle of 0 degree by using the glass fiber material, and the fifth layer is paved at an angle of-45 degrees by using the carbon fiber material.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the method for integrally forming and manufacturing the balance car by using the fiber composite material, the 0-degree laying means that the fiber direction of the glass fiber material is the same as the central axis direction of the balance car; the 90-degree laying means that the fiber direction of the glass fiber material is vertical to the central axis direction of the balance car; the +/-45-degree laying means that the fiber direction of the glass fiber material is crossed with the central axis direction of the balance car by 45 degrees.
Compared with the prior art, the balance car is integrally formed and manufactured by using the fiber composite material, the fiber composite material prepreg cloth is cut, prepared by a mold and paved according to the structure of the balance car, and finally hot-pressing, pressurizing and curing are carried out, and molding and demolding are carried out, so that the integrated manufacturing of the balance car is realized, the manufacturing strength of the balance car is ensured, the purposes of light weight and attractive appearance are achieved, and the texture and the competitiveness of a product are improved; secondly, the invention adopts the blowing forming process combining the silicon rubber tube, the PU tube and the nylon tube, improves the quality hidden trouble of the crease on the inner wall of the product under the condition of ensuring the strength of the product, and improves the stability and the competitiveness of the product quality. The method integrally forms the balance car through the fiber composite material, improves the quality hidden trouble of the crease marks on the inner wall of the product, not only ensures the manufacturing strength of the balance car, but also achieves the purposes of portability and beauty, and improves the texture and competitiveness of the product.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be clearly and completely described below according to specific technical solutions, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A method for manufacturing a balance car by integrally forming fiber composite materials is mainly used for manufacturing a frame of the balance car, and the purpose of lightness and attractiveness is achieved by the aid of fiber composite material prepreg cloth, specific structural design and an integrally forming process under the condition that strength is guaranteed for the manufactured balance car frame, and the method comprises the following steps:
(1) cutting materials:
cutting the fiber prepreg with the protective film according to the prepared sample plate, wherein the sample plate is prepared according to the shape of the balance car frame to be manufactured, and the type, specification and fiber direction of the fiber prepreg and the corresponding sample plate number are noticed during cutting, so that the fiber prepreg can be conveniently laid in different directions and different angles in the follow-up process, and the strength of the car frame of the manufactured balance car is improved;
the fiber prepreg is selected from at least one of the following three materials:
a. the carbon fiber 3K woven prepreg cloth has the specification of 200g/m2The resin content is 43-45%, preferably 43%;
b. the specification of the carbon fiber unidirectional prepreg cloth is 100g/m2The resin content is 36-38%, and the preferred resin content is 36%;
c. the specification of the glass fiber unidirectional prepreg cloth is 150g/m2The resin content is 35-40%, preferably 35%;
the carbon fiber 3K woven cloth is cloth woven by adopting carbon fiber prepreg comprising 3000 monofilaments;
the carbon fiber 3K woven cloth prepreg is formed by compounding epoxy resin on carbon fiber 3K woven cloth through a high-pressure high-temperature technology; the carbon fiber unidirectional prepreg is a carbon fiber prepreg which has a large amount of carbon fibers in one direction and only has a small amount of carbon fibers in the other direction, and as a result, the whole strength of the cloth is in one direction;
the glass fiber prepreg cloth is formed by compounding epoxy resin on glass fiber through a high-pressure high-temperature technology; the glass fiber unidirectional prepreg is a glass fiber prepreg having a large amount of glass fibers in one direction and only a small amount of glass fibers in the other direction, so that the entire strength of the cloth is in one direction;
the higher the resin content is, the lower the strength is, and when the resin is used, one or two of the three materials can be selected;
(2) preparing a mould:
firstly, wiping the surface of a balance car mould by using soft cleaning cloth, then coating a release agent on the surface of a mould cavity, manufacturing the mould according to the shape of a frame of the balance car which is manufactured as required, wherein the shape of the mould cavity is consistent with the shape of a half edge of the frame of the balance car, and laying fiber prepreg conveniently;
(3) laying:
(3.1) preparing a roll core, an air bag, an air nozzle, an adhesive tape, a PU tube, a silicone tube and a nylon tube;
(3.2) sticking materials by using a winding core and a PU pipe according to the structural diagram of the balance car, closing the mould after the first layer is stuck, and positioning by using a carbon fiber shell for closing the mould; then, repeatedly pasting a second layer, a third layer, a fourth layer and a fifth layer according to the structural requirements, compacting the prepreg cloth by using a tool after each layer is paved, and not allowing bubbles or bulging, and finally, pulling out the core mould to self-check the size, the shape and the weight;
the first layer is paved by adopting a glass fiber material at an angle of +45 degrees, the second layer is paved by adopting a glass fiber material at an angle of 0 degree, the third layer is paved by adopting a glass fiber material at an angle of 90 degrees, the fourth layer is paved by adopting a glass fiber material at an angle of 0 degree, and the fifth layer is paved by adopting a carbon fiber material at an angle of-45 degrees;
the 0-degree laying means that the fiber direction of the glass fiber material is the same as the central axis direction of the balance car; the 90-degree laying means that the fiber direction of the glass fiber material is vertical to the central axis direction of the balance car; the +/-45-degree laying means that the fiber direction of the glass fiber material is crossed with the central axis direction of the balance car by 45 degrees;
in the practice of the present application, the first layer is specified to be 150g/m2Resin contentLaying 35% of glass fiber unidirectional prepreg cloth at an angle of +45 degrees; the second layer adopts the specification of 150g/m2Laying the glass fiber unidirectional prepreg cloth with the resin content of 35% at 0 degree; the third layer adopts the specification of 150g/m2Laying the glass fiber unidirectional prepreg cloth with the resin content of 35% at 90 degrees; the fourth layer adopts the specification of 150g/m2Laying the glass fiber unidirectional prepreg cloth with the resin content of 35% at 0 degree; the fifth layer adopts the specification of 100g/m2The resin content of the carbon fiber unidirectional prepreg cloth is 36 percent or the specification of the carbon fiber unidirectional prepreg cloth is 200g/m2Laying the carbon fiber 3K woven prepreg cloth with the resin content of 43% at an angle of-45 ℃; positive and negative directions of +45 degrees and-45 degrees are set according to actual conditions; in the laying mode, a large amount of glass fibers are supported in each direction of the frame of the formed balance car, so that the strength is ensured;
(3.3) preforming, namely overlapping the rolled parts of the balance car according to the structural diagram requirement of the balance car, positioning by using a carbon fiber shell, sleeving a silicon rubber tube in an inner hole through a nylon tube, placing the silicon rubber tube outside the nylon tube, selecting the silicon rubber tube with the diameter smaller than that of the nylon tube, utilizing the excellent expansibility of the silicon rubber tube to avoid the nylon tube from gathering to cause wrinkles and fiber irregularity, connecting an air bag for trial blowing, penetrating an air nozzle, wrapping the tail by using an adhesive tape, and self-checking the size, the shape and the weight;
(4) hot-pressing, pressurizing and curing:
putting the preformed balance car model into a mould, pushing a hot-pressing furnace platform, inserting an air pipe, heating and pressurizing the mould by using the hot-pressing furnace platform, continuously ventilating, and keeping the internal air pressure of the balance car model to form the balance car in the mould, wherein the heating temperature is 150 ℃, and the external pressure applied in the hot-pressing furnace platform is 100kg/cm2The internal air pressure of the balance car model is 10kg/cm2, and the curing time is 50 minutes;
(5) after cooling and demolding, removing resin and burrs extruded from the periphery of the formed balance car, and polishing and trimming the periphery according to the shape of the balance car;
(6) drawing out the air bag, the PU pipe, the silicone tube and the nylon pipe, and trimming burrs in the pipe holes of the head;
(7) cutting the tail and the groove of the port of the seat tube by using special equipment and a clamping jig;
(8) and (5) performing appearance polishing and coating.
Claims (5)
1. A method for integrally forming and manufacturing a balance car by using fiber composite materials is characterized by comprising the following steps of: the method comprises the following steps:
(1) cutting materials:
cutting the fiber prepreg with the protective film according to the prepared sample plate, and paying attention to the type, specification and fiber direction of the fiber prepreg and the corresponding sample plate number during cutting;
(2) preparing a mould:
firstly, wiping the surface of a balance car mold clean by using a soft rag, and then coating a release agent on the surface of a mold cavity;
(3) laying:
(3.1) preparing a roll core, an air bag, an air nozzle, an adhesive tape, a PU tube, a silicone tube and a nylon tube;
(3.2) sticking materials by using a roll core and a PU pipe according to a structural diagram of the balance car, closing the mould after the first layer is stuck, positioning by using a carbon fiber shell, repeatedly sticking a second layer, a third layer, a fourth layer and a fifth layer according to the structural requirements, compacting the prepreg cloth by using a tool after each layer is paved, and finally, pulling out a core mould to self-check the size, the shape and the weight;
(3.3) preforming, namely overlapping the rolled parts of the balance car according to the structural drawing requirement of the balance car, positioning by using a carbon fiber shell, sleeving a silicon rubber tube on an inner hole through a nylon tube, connecting an air bag to test blowing air, threading an air nozzle, wrapping the tail by using an adhesive tape, and self-checking the size, the shape and the weight;
(4) hot-pressing, pressurizing and curing:
putting the preformed balance car into a mould, pushing a hot-pressing furnace platform, inserting an air pipe, and heating and pressurizing the mould by using the hot-pressing furnace platform to form the balance car in the mould;
(5) after cooling and demolding, removing resin and burrs extruded from the periphery of the balance car, and polishing and trimming the periphery according to the shape of the balance car;
(6) drawing out the air bag, the PU pipe, the silicone tube and the nylon pipe, and trimming burrs in the pipe holes of the head;
(7) cutting the tail and the groove of the port of the seat tube by using special equipment and a clamping jig;
(8) and (5) performing appearance polishing and coating.
2. The method for integrally forming and manufacturing the balance car by using the fiber composite material according to claim 1, wherein the method comprises the following steps: the fiber prepreg in the step (1) is at least one of the following three materials:
a. the carbon fiber 3K woven prepreg cloth has the specification of 200g/m2The resin content is 43-45%;
b. the specification of the carbon fiber unidirectional prepreg cloth is 100g/m2The resin content is 36-38%;
c. the specification of the glass fiber unidirectional prepreg cloth is 150g/m2The resin content is 35-40%.
3. The method for integrally forming and manufacturing the balance car by using the fiber composite material according to claim 1, wherein the method comprises the following steps: in the step (4), the heating temperature is 150 ℃ and the external pressure is 100kg/cm2The internal pressure was 10kg/cm2, and the curing time was 50 minutes.
4. The method for integrally forming and manufacturing the balance car by using the fiber composite material according to claim 1, wherein the method comprises the following steps: in the step (3.2), the first layer is paved by adopting a glass fiber material for +45 degrees, the second layer is paved by adopting a glass fiber material for 0 degree, the third layer is paved by adopting a glass fiber material for 90 degrees, the fourth layer is paved by adopting a glass fiber material for 0 degree, and the fifth layer is paved by adopting a carbon fiber material for-45 degrees.
5. The method for integrally forming and manufacturing the balance car by using the fiber composite material according to claim 4, wherein the method comprises the following steps: the 0-degree laying means that the fiber direction of the glass fiber material is the same as the central axis direction of the balance car; the 90-degree laying means that the fiber direction of the glass fiber material is vertical to the central axis direction of the balance car; the +/-45-degree laying means that the fiber direction of the glass fiber material is crossed with the central axis direction of the balance car by 45 degrees.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911167824.7A CN110861315A (en) | 2019-11-25 | 2019-11-25 | Method for integrally forming and manufacturing balance car by using fiber composite material |
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| CN201911167824.7A CN110861315A (en) | 2019-11-25 | 2019-11-25 | Method for integrally forming and manufacturing balance car by using fiber composite material |
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| CN201911167824.7A Pending CN110861315A (en) | 2019-11-25 | 2019-11-25 | Method for integrally forming and manufacturing balance car by using fiber composite material |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7407619B2 (en) * | 2005-09-19 | 2008-08-05 | Unitec Composite Technology Corp. | Method for making bicycle frame by composite material |
| CN102729484A (en) * | 2012-01-12 | 2012-10-17 | 吉林市吉研高科技纤维有限责任公司 | Method for producing carbon fiber bicycle frame |
| US20130161926A1 (en) * | 2011-12-22 | 2013-06-27 | Industries Rad Inc. | Composite bicycle frame with integral electrical interconnections and method of manufacturing same |
| CN106182812A (en) * | 2016-07-05 | 2016-12-07 | 佛山市南海盟特复合材料科技有限公司 | A kind of bicycle frame of carbon fiber integral forming process |
| CN107599442A (en) * | 2017-08-21 | 2018-01-19 | 朱元勇 | A kind of cycle frame and its integrated forming manufacture method |
| CN108501396A (en) * | 2018-05-11 | 2018-09-07 | 无锡智高点技术研发有限公司 | A kind of carbon fiber bicycle frame production technology |
| CN208760048U (en) * | 2018-05-29 | 2019-04-19 | 连云港神鹰碳纤维自行车股份有限公司 | A kind of tubing products flexible bag moulding composite internal mould |
-
2019
- 2019-11-25 CN CN201911167824.7A patent/CN110861315A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7407619B2 (en) * | 2005-09-19 | 2008-08-05 | Unitec Composite Technology Corp. | Method for making bicycle frame by composite material |
| US20130161926A1 (en) * | 2011-12-22 | 2013-06-27 | Industries Rad Inc. | Composite bicycle frame with integral electrical interconnections and method of manufacturing same |
| CN102729484A (en) * | 2012-01-12 | 2012-10-17 | 吉林市吉研高科技纤维有限责任公司 | Method for producing carbon fiber bicycle frame |
| CN106182812A (en) * | 2016-07-05 | 2016-12-07 | 佛山市南海盟特复合材料科技有限公司 | A kind of bicycle frame of carbon fiber integral forming process |
| CN107599442A (en) * | 2017-08-21 | 2018-01-19 | 朱元勇 | A kind of cycle frame and its integrated forming manufacture method |
| CN108501396A (en) * | 2018-05-11 | 2018-09-07 | 无锡智高点技术研发有限公司 | A kind of carbon fiber bicycle frame production technology |
| CN208760048U (en) * | 2018-05-29 | 2019-04-19 | 连云港神鹰碳纤维自行车股份有限公司 | A kind of tubing products flexible bag moulding composite internal mould |
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Application publication date: 20200306 |