CN106493969A - A kind of manufacture craft in safety shoe packet header and the safety shoe packet header of making - Google Patents
A kind of manufacture craft in safety shoe packet header and the safety shoe packet header of making Download PDFInfo
- Publication number
- CN106493969A CN106493969A CN201610828009.0A CN201610828009A CN106493969A CN 106493969 A CN106493969 A CN 106493969A CN 201610828009 A CN201610828009 A CN 201610828009A CN 106493969 A CN106493969 A CN 106493969A
- Authority
- CN
- China
- Prior art keywords
- packet header
- safety shoe
- manufacture craft
- prepreg
- glass fibre
- 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.)
- Pending
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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
- 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
- B29C70/34—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 and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/342—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 and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/08—Heel stiffeners; Toe stiffeners
- A43B23/081—Toe stiffeners
- A43B23/086—Toe stiffeners made of impregnated fabrics, plastics or the like
-
- 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
- B29L2031/48—Wearing apparel
- B29L2031/50—Footwear, e.g. shoes or parts thereof
Abstract
The invention discloses the safety shoe packet header of a kind of manufacture craft in safety shoe packet header and making, including：Carbon fiber prepreg and glass fibre prepreg are cut out required form by automatic cutting machines, the carbon fiber prepreg for cutting out and glass fibre prepreg are laid in mandrel surface and form preform, preform containing core is put in the external mold of packet header, entirety is encapsulated using vacuum bag, and curing oven shaping obtains safety shoe packet header.In the present invention, it is made up of carbon fiber prepreg and glass fibre prepreg from prepreg, carbon cloth provides main intensity, rigidity and flat appearance, glass fabric can provide enough impact properties, relative to traditional steel toes and plastic cement packet header, with lightweight, intensity high, corrosion resistance and good shock resistance is high, good flame resistance the characteristics of.
Description
Technical field
The present invention relates to the preparation field in safety shoe packet header, and in particular to a kind of manufacture craft in safety shoe packet header and
The safety shoe packet header of making.
Background technology
Safety shoe be different operating occasion wear with protect foot and leg from it is contemplated that injury footwear, category
In high technology content and the footwear of high added value, it is widely used in machinery, metallurgy, building, chemical industry, pharmacy, mining, oil
The industries such as field, electric power.In the safe article of footwear of protection toes, it is divided into An1 types, An2 types, An3 types, An4 types and five, An5 types and prevents
Shield performance class, An1 rank highests, An5 ranks are minimum.The safe article of footwear of the high protection toes of rank its front end compression resistance and anti-
The technical indicator of impact is just high, and the protection to toes is all right, and toes are easily injured by a crashing object or weighed wounded, injured degree is more serious
High level protection toes safety shoe will be selected in operation.
At present, existing safety shoe mainly passes through to arrange the protection structures such as steel packet header, plastic cement packet header in toe-cap, reaches
For bearing the shock of external force, the purpose of foot is protected.Steel packet header intensity is big, and anti-pressure ability is stronger, but its heavier-weight, resistance to
Corrosivity is poor, poor insulativity, is not easy to operation and Long-Time Service；Plastic cement packet header is lightweight, good toughness, good insulating, but which is strong
Degree is low, it is impossible to meet the barrier propterty of An1 ranks.
The problems referred to above are the problems that in the design in packet header and production process should be paid attention to and solve.
The Chinese invention patent application of application publication number CN 102717524A (Application No. 201210229166.1) is disclosed
A kind of preparation technology of Composite material safety toe cap, comprises the following steps：(1) resin paste configuration, is configured by following components, with matter
Amount number meter：1 part of vinyl esters high-ductility type resin；Polyvinyl acetate ester type low profile agent 0.14-0.17 part；Dispersant
0.0.0057-0.0067 part；Polymerization inhibitor 0.0002-0.0003 parts；Styrene 0.09-0.12 parts；Peroxidized t-butyl perbenzoate
0.0091-0.01 parts；Peroxidating (2- ethyls) hecanoic acid t-butyl ester 0.002-0.003 parts；Releasing agent 0.04-0.06 parts；Magnesia
0.017-0.025 parts；(2) prepared by composite coating cloth：(2.1) polyethylene film by density for 50-57g/ presses 1.9-2.0
The standard of/piece cuts into that polyethylene film fragment is stand-by, and the alkali-free glass fibre woven roving of model EWR600-1000 is pressed
It is stand-by that the standard of 1.5-1.7/piece cuts into alkali-free glass fibre woven roving fragment；(2.2) resin paste of step (1) is coated
In alkali-free glass fibre woven roving fragment, coating cloth, the wherein coated weight of resin paste and alkali-free glass fibre woven roving is obtained
The mass ratio of fragment is 35-45:100；(2.3) by the coating that step (2.2) is obtained be arranged in two panels polyethylene film fragment it
Between, then roll repeatedly, form composite coating cloth；(3) composite coating cloth curing, multi-disc composite coating cloth is stacked, Ran Houyong
The packing of PET polyurethane films is sealed up for safekeeping, is placed on curing frame, and curing temperature is 35-45 DEG C, and the curing time is 35-45 hours, obtains
Safety toes sheet stock；(4) cutting, by neatly stacking and then the doubling of 5-10 safety toeses sheet stock, according to the regulation shape of safety toes
Shape and size are cut, and the section which cuts moves towards parallel or vertical with the fiber of safety toes sheet stock；(5) overstock, will
Safety toes sheet stock after step (4) cutting stacks and overstocks into toe-cap shape, obtains safety toes semi-finished product；(6) it is molded into
Type, safety toes semi-finished product are placed in toe-cap mould, and compression molding obtains safety toes blank, and wherein toe-cap mold temperature sets
It is set to 140 ± 15 DEG C, clamp time is the 150-180 seconds；(7) finishing burr obtain Composite material safety toe cap finished product.The technology
Solution process is complicated, is not suitable for industrialization large-scale production.
Content of the invention
It is an object of the invention to provide safety shoe packet header of a kind of manufacture craft in safety shoe packet header and making, solution
Existing steel toes of having determined estimate one's own ability greatly, comfort level is low, poor insulativity, the problems such as plastic covering head static-pressure-resisting and shock resistance difference.
The present invention provide technical solution be：
A kind of manufacture craft in safety shoe packet header, including：
Carbon fiber prepreg and glass fibre prepreg are cut out required form by automatic cutting machines, and the carbon for cutting out is fine
Dimension prepreg and glass fibre prepreg are laid in mandrel surface and form preform, and the preform containing core is put into bag
In head external mold, entirety is encapsulated using vacuum bag, and curing oven shaping obtains safety shoe packet header.
In the present invention, it is made up of carbon fiber prepreg and glass fibre prepreg from prepreg, carbon cloth provides master
Intensity, rigidity and the flat appearance that wants, glass fabric can provide enough impact properties, relative to traditional steel toes and
Plastic cement packet header, with lightweight, intensity is high, corrosion resistance and good shock resistance high, good flame resistance the characteristics of.
Following as the preferred technical solution of the present invention：
Described core is silica gel mantle, and described packet header external mold is metal die.Core adopts silica gel material, outside packet header
Mould is expanded after adopting metal die, core (silica gel material) to be heated, and allows preform to fit completely metal die, it is ensured that into
Accurate size and smooth surface inside and outside the packet header of type so that packet header is easily assembled with safe shoe toecap, packet header of gained is without the need for after again
Processing, substantially reduces processing cost.
Described core and packet header external mold are pre-processed using front, including：Use third in the surface of core and packet header external mold
Ketone is cleaned up, and then the inner surface in packet header external mold uniformly coats releasing agent.
Described carbon fiber prepreg includes carbon fiber and resin, the weight percent of resin in described carbon fiber prepreg
Content is 35%～45%, and further preferably, described resin is epoxy resin, and described carbon fiber prepreg is permanent using Jiangsu
Product of the trade mark of god's production for EM101-T-200GSM.
Described glass fibre prepreg includes glass fibre and resin, the weight of resin in described glass fibre prepreg
Amount percentage composition is 35%～45%, and further preferably, described resin is epoxy resin, and described glass fibre prepreg is adopted
The trade mark with the permanent god's production in Jiangsu is the product of EW250B-900S.
Described packet header technological forming is pressed using vacuum bag.
The composite packet header manufacture craft includes processs of packet header outer mould surface, mandrel surface process, prepreg cutting, in advance
Formed body lays, the preform containing core is transferred to external mold, curing molding.
The safety shoe packet header that described manufacture craft makes, with lightweight, intensity is high, corrosion resistance and good shock resistance
The characteristics of performance height, good flame resistance.
Compared with prior art, the invention has the advantages that：
The manufacture craft in the safety shoe packet header of the present invention and gained safety shoe packet header, raw materials are preimpregnation
Material, is made up of carbon fiber prepreg and glass fibre prepreg from prepreg, carbon cloth provide main intensity, rigidity with
And flat appearance, glass fabric can provide enough impact properties, relative to traditional steel toes and plastic cement packet header, with weight
The characteristics of measuring high light, intensity, corrosion resistance and good shock resistance height, good flame resistance.Core adopts silica gel material, packet header external mold
Using metal die, core (silica gel material) is expanded after being heated, and allows preform to fit completely metal die, it is ensured that shaping
Packet header inside and outside accurate size and smooth surface so that packet header is easily assembled with safe shoe toecap, packet header of gained without the need for again afterwards plus
Work, substantially reduces processing cost.This kind of Lightweight high-strength composite material safety shoe is simple, easily operated with packet header manufacture craft, and one
Secondary curing molding and without the need for rear processing, inside and outside accurate size is controllable, cheap for manufacturing cost, is suitable for producing in enormous quantities, inside and outside packet header
Accurate size, smooth surface, it is easy to install.The manufacture craft in the safety shoe packet header of the present invention and gained safety shoe packet header,
Low production cost, it is easy to industrialized production, possesses wide application prospect.
Description of the drawings
Fig. 1 is the part-structure schematic diagram of safety shoe packet header manufacture craft in the embodiment of the present invention；
Fig. 2 is safety shoe head-coating structure schematic diagram in the embodiment of the present invention；
Wherein：1 is core, and 2 is preform, and 3 is metal outer mold, and 4 is vacuum bag.
Specific embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the present embodiment provides the manufacture craft in safety shoe packet header, is cut out by automatic cutting machines
Go out the carbon fiber prepreg (producer of required size：The permanent god in Jiangsu, the trade mark：EM101-T-200GSM, resin in carbon fiber prepreg
Weight percentage 40%) and glass fibre prepreg (producer for：The permanent god in Jiangsu, the trade mark：EW250B-900S, glass fibre
In prepreg, the weight percentage of resin forms safety shoe packet header for 40%), core 1 and metal outer mold 3 match, that is,
Shape, is cleaned up with acetone to core 1 and metal outer mold 3 (i.e. packet header external mold) surface, then equal in 3 inner surface of metal outer mold
The carbon fiber prepreg for cutting and glass fibre prepreg are laid in 1 table of core by design requirement by even coating releasing agent successively
Face forms preform 2, and preform 2 and core 1 are put in metal outer mold 3, and entirety is encapsulated using vacuum bag 4, is put into baking
Carry out vacuumizing after case being heating and curing, after solidification, remove vacuum bag 4, the then demoulding obtains final product safety shoe packet header.
Combined using core 1 (silica gel material) and metal outer mold 3 in the embodiment, after core 1 (silica gel material) is heated
Expansion, allows preform 2 to fit completely metal outer mold 3, it is ensured that accurate size and smooth surface inside and outside the packet header of shaping, makes
Obtain packet header easily to assemble with safe shoe toecap, the packet header of gained substantially reduces processing cost without the need for process afterwards again.This kind of composite
Packet header manufacturing process, material therefor are carbon fiber prepreg and glass fibre prepreg, press technological forming using vacuum bag.Carbon is fine
Dimension prepreg provides enough intensity, rigidity and flat appearance, and glass fibre prepreg provides enough impacts
Can, vacuum bag pressure technique greatly reduces manufacturing cost.Embodiment process is simple, easily operated and manufacturing time is short, once solid
Change, be suitable for producing in enormous quantities, inside and outside accurate size, smooth surface substantially reduce installation time.And have
There are the superior qualities such as high lightweight, intensity, good corrosion resistance, high impact properties.
The safety shoe packet header that embodiment makes, after 200J impact tests, in packet header, minimum spacing is 26.5mm, bears
After the static pressure test of 15KN, minimum spacing is 27.3mm in packet header, the requirement of shelter being satisfied by more than An1 ranks 15mm.
Claims (10)
1. a kind of manufacture craft in safety shoe packet header, it is characterised in that include：
Carbon fiber prepreg and glass fibre prepreg are cut out required form by automatic cutting machines, will be pre- for the carbon fiber for cutting out
Leaching material and glass fibre prepreg are laid in mandrel surface and form preform, and the preform containing core is put into outside packet header
In mould, entirety is encapsulated using vacuum bag, and curing oven shaping obtains safety shoe packet header.
2. the manufacture craft in safety shoe packet header according to claim 1, it is characterised in that described core is that silica gel is soft
Film, described packet header external mold are metal die.
3. the manufacture craft in safety shoe packet header according to claim 1, it is characterised in that outside described core and packet header
Mould is pre-processed using front, including：The surface of core and packet header external mold is cleaned up with acetone, then in packet header external mold
Inner surface uniformly coat releasing agent.
4. the manufacture craft in safety shoe packet header according to claim 1, it is characterised in that described carbon fiber prepreg
Including carbon fiber and resin, in described carbon fiber prepreg, the weight percentage of resin is 35%～45%.
5. the manufacture craft in safety shoe packet header according to claim 4, it is characterised in that described resin is asphalt mixtures modified by epoxy resin
Fat.
6. the manufacture craft in safety shoe packet header according to claim 1, it is characterised in that described carbon fiber prepreg
The trade mark of the permanent god's production in Jiangsu is adopted for the product of EM101-T-200GSM.
7. the manufacture craft in safety shoe packet header according to claim 1, it is characterised in that described glass fibre preimpregnation
Material includes glass fibre and resin, and in described glass fibre prepreg, the weight percentage of resin is 35%～45%.
8. the manufacture craft in safety shoe packet header according to claim 7, it is characterised in that described resin is asphalt mixtures modified by epoxy resin
Fat.
9. the manufacture craft in safety shoe packet header according to claim 1, it is characterised in that described glass fibre preimpregnation
Material adopts the trade mark of the permanent god's production in Jiangsu for the product of EW250B-900S.
10. the safety shoe packet header that the manufacture craft according to any one of claim 1～9 makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610828009.0A CN106493969A (en) | 2016-09-18 | 2016-09-18 | A kind of manufacture craft in safety shoe packet header and the safety shoe packet header of making |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610828009.0A CN106493969A (en) | 2016-09-18 | 2016-09-18 | A kind of manufacture craft in safety shoe packet header and the safety shoe packet header of making |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106493969A true CN106493969A (en) | 2017-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610828009.0A Pending CN106493969A (en) | 2016-09-18 | 2016-09-18 | A kind of manufacture craft in safety shoe packet header and the safety shoe packet header of making |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106493969A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326251A (en) * | 2017-06-30 | 2017-11-07 | 瑞安市金球鞋材有限公司 | The making formula and the mould of process safety box toe of safe box toe |
| CN108703436A (en) * | 2018-05-17 | 2018-10-26 | 浙江三益鞋业有限公司 | A kind of protective footwear |
| CN114347579A (en) * | 2020-10-14 | 2022-04-15 | 曾凯熙 | Composite material for shoes |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2742806Y (en) * | 2004-09-03 | 2005-11-30 | 宁波可宾复合材料有限公司 | Safety toe cap made of new type composite material |
| CN101585236A (en) * | 2008-05-23 | 2009-11-25 | 珠海市恒基业安全头盔有限公司 | Molding technology of composite material special product |
-
2016
- 2016-09-18 CN CN201610828009.0A patent/CN106493969A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2742806Y (en) * | 2004-09-03 | 2005-11-30 | 宁波可宾复合材料有限公司 | Safety toe cap made of new type composite material |
| CN101585236A (en) * | 2008-05-23 | 2009-11-25 | 珠海市恒基业安全头盔有限公司 | Molding technology of composite material special product |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326251A (en) * | 2017-06-30 | 2017-11-07 | 瑞安市金球鞋材有限公司 | The making formula and the mould of process safety box toe of safe box toe |
| CN108703436A (en) * | 2018-05-17 | 2018-10-26 | 浙江三益鞋业有限公司 | A kind of protective footwear |
| CN108703436B (en) * | 2018-05-17 | 2021-02-26 | 浙江三益鞋业有限公司 | Protective shoes |
| CN114347579A (en) * | 2020-10-14 | 2022-04-15 | 曾凯熙 | Composite material for shoes |
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Application publication date: 20170315 |