CN1413535A - Method fo making safety toecap and sole of work shoes - Google Patents
Method fo making safety toecap and sole of work shoes Download PDFInfo
- Publication number
- CN1413535A CN1413535A CN 01136742 CN01136742A CN1413535A CN 1413535 A CN1413535 A CN 1413535A CN 01136742 CN01136742 CN 01136742 CN 01136742 A CN01136742 A CN 01136742A CN 1413535 A CN1413535 A CN 1413535A
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- footware
- reinforcing fiber
- thermoplastic resin
- safety toes
- moulding material
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- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
A technology for manufacturing the high-safety head and sole of work shoe includes such steps as choosing a material composed of a core layer made of glass fibres of fibrous fabric reinforced thermoplastic resin and two surfical layers, heating for softening it, and die pressing. Its advantages are high structural strength, light weight and moderate elastic deformation.
Description
Technical field
The present invention relates to a kind of safety toes, sole preparation method of footware, particularly relate to a kind of selection tempered glass fiber and reinforcing fiber braid and include reinforced thermoplastic resin simultaneously as base material, with the sandwich lamination or cut a strand short fiber height be pressed into tabular mode be heated to softening, preparation method at the bottom of the safety toes of the footware of last extrusion forming or the safety shoe.
Background technology
In some workplace, can prevent during work that toe-cap and sole from avoiding that weight bump and sticker pierce through is necessary, but the convenience in the time of must considering action again, at the bottom of the general safety toes or safety shoe with steel, its weight is too heavy, overload of power is handicapped when causing wearing, thus there has been the safety toes of glass fibre and thermoplastic resin mixed-forming to be manufactured out, but still there are following several shortcoming and the drawbacks that wait to overcome solution in traditional manufacture method:
1. the made safety toes insufficient strength of working it out of conventional composite materials and molding mode, especially dark gradient and corner extend that partly intensity is lower, and thickness is also thinner, so old-fashioned way and be not suitable for manufacturing safety toes.
2. tradition is a base material with long fibres such as glass fibres, however the supporting material reinforcement mode of single direction and be not suitable for manufacturing safety toes, because the directionality of base material can influence whole intensity.
3. tradition is good with carbon fiber preform as its intensity of supporting material and directionality, still but loses extensibility, so sweep has folding line and wrinkle generation during moulding, can't be made into high-intensity safety toes.
Summary of the invention
The object of the present invention is to provide a kind of safety toes, sole preparation method of footware, to overcome existing above-mentioned defective in the prior art.
Above-mentioned purpose of the present invention is achieved in that a kind of safety toes, sole preparation method of footware, comprise following technical process successively: at first, select a kind of moulding material that includes the reinforced thermoplastic resin of tempered glass short fiber or reinforcing fiber braid; Then, moulding material is heated to softening; At last, the moulding material after will softening is again put into the moulding of mould mesohigh.
Moulding material described in the above-mentioned technical process preferably adopts the reinforced thermoplastic resin that includes the tempered glass short fiber or includes wherein a kind of as central core in the moulding material of reinforced thermoplastic resin of reinforcing fiber braid, and another kind of moulding material is as superficial layer, is pressed into tabular mode and forms with the sandwich interlayer or to cut a strand short fiber height.
When the male model in the mould described in the above-mentioned technical process cooperates with master mold, be preferably in the top periphery and reserve 0.05～0.10 centimeter gap.
Described reinforcing fiber braid can comprise that twill is weaved cotton cloth, thin silk fabric shape is weaved cotton cloth, flat fabric, weaves cotton cloth but be preferably twill, and its organizine is that 2, tram are 1; Perhaps its organizine is that 1, tram are 2; And the amount of its reinforcing fiber (weight ratio) can be controlled at 30%～70% scope, preferably is controlled at 50%～65% scope.
The yarn Shu Changdu that described tempered glass short fiber fritters shape generally can be 0.5 inch～4 inches, and reinforcing fiber amount (weight ratio) can be controlled at 30%～50% scope, is preferably 40%.
Described thermoplastic resin can adopt any one in nylon, polypropylene, polycarbonate resin or the polybutene terephthalic acid (TPA) fat, and the amount of thermoplastic resin (weight ratio) can be controlled at 40%～50% scope.
This shows, the safety toes of footware provided by the present invention, the sole preparation method, the required material of moulding when mainly relating to make the safety toes of footware and sole, die apparatus and manufacturing process, it is to be pressed into tabular mode with the sandwich interlayer or to cut a strand short fiber height, select a kind of tempered glass short fiber to include reinforced thermoplastic resin or reinforcing fiber cloth (or reinforcing fiber braid) includes the moulding material of reinforced thermoplastic resin as central core, another kind of moulding material is heated to the softening mould mesohigh moulding of putting into again afterwards then as superficial layer with moulding material.
Can be used alone also perhaps that the tempered glass short fiber includes reinforced thermoplastic resin or a kind of reinforcing fiber cloth (or reinforcing fiber braid) includes reinforced thermoplastic resin as moulding material.
Below in conjunction with embodiment and conjunction with figs., the present invention is described in further detail.
Description of drawings
Fig. 1 is the moulding material schematic diagram of a kind of composite intermediate layer of the present invention;
Fig. 2 is the moulding material schematic diagram of the another kind of composite intermediate layer of the present invention;
Fig. 3 is the moulding material schematic diagram of another composite intermediate layer of the present invention;
Fig. 4 is the die apparatus schematic diagram that the present invention manufactures safety toes;
Fig. 5 is the die apparatus schematic diagram at the bottom of the present invention manufactures safety shoe;
Fig. 6 is the safety toes that the present invention finishes;
At the bottom of Fig. 7 is the safety shoe finished of the present invention.
The specific embodiment
A kind of safety toes of footware, sole preparation method please be consulted shown in Figure 1ly, and it is the moulding material schematic diagram of a kind of composite intermediate layer of the present invention.Wherein superficial layer is the yarn bundle mixed thermoplastic resin 10 that the tempered glass short fiber fritters shape, and central core is weaving cotton cloth of reinforcing fiber and braid mixed thermoplastic resin 20.Please consult shown in Figure 2: it is the moulding material schematic diagram of the another kind of composite intermediate layer of the present invention.Wherein superficial layer is weaving cotton cloth of reinforcing fiber and braid mixed thermoplastic resin 20, and central core is the yarn bundle mixed thermoplastic resin 10 that the tempered glass short fiber fritters shape.Please consult shown in Figure 3: it is the moulding material schematic diagram of another composite intermediate layer of the present invention.Wherein be to be pressed into tabular with cutting strand short fiber 30 height.
The above-mentioned ratio (weight ratio) that is meant the reinforcing fiber amount with weaving cotton cloth of the reinforcing fiber of composite for moulding is 30%～70% (dosage of the best is 50%～65%), weaving manner be with twill weave cotton cloth, thin silk fabric shape is weaved cotton cloth, flat fabric etc., and with the weave cotton cloth more flowability of (2 of organizine (or tram), 1 of tram (or organizine)) of twill.
Above-mentioned is 0.5 inch～4 inches long for moulding with the yarn Shu Changdu that the tempered glass short fiber of composite fritters shape, and the reinforcing fiber amount is 30%～50% (content of the best be 40% about).The main material of thermoplastic resin can be in addition: nylon, polypropylene, polycarbonate resin, polybutene terephthalic acid (TPA) fat ... Deng, when the resin amount hangs down, hardness relatively improves and elasticity lowers and becomes fragile, so the amount of resin is preferably in 40%～50%, usually central core and superficial layer are to use with a kind of resin, if respond in conjunction with and also more can gain in strength the time, just consider to use two or more hybrid resin use.Select a kind of tempered glass short fiber to include reinforced thermoplastic resin or reinforcing fiber cloth and braid during moulding and include reinforced thermoplastic resin as central core, another is then as superficial layer, it is mode with the sandwich interlayer, with moulding material be heated to softening after, put into the moulding of mould mesohigh again.
Please consult shown in Figure 4: it is the die apparatus schematic diagram that the present invention manufactures safety toes.And shown in Figure 5: it is the die apparatus schematic diagram at the bottom of the present invention manufactures safety shoe.Wherein, when male model 40 cooperates master mold 50 to cooperate, the periphery of male model 40 tops must be reserved 0.05 centimeter～0.10 centimeter air delivery space, allow air when compacting, can overflow the overlap that forms the book book along with the moulding material and the resin of surplus, by the time finished product solidifies, removes after the demoulding again, and Fig. 6, Fig. 7 are at the bottom of the safety toes and safety shoe that the present invention finishes.
In sum; the invention provides a kind of safety toes, sole preparation method of footware; the finished surface that utilizes this method to manufacture out is smooth can not to produce fold; simultaneously can obtain preferable structural strength again; at the bottom of the safety toes or safety shoe as footware; all can effectively protect foot to avoid junk bang and sticker pierces through; distortion under pressure back recovery rate reaches more than 95%; meet the requirement of the environmental-protecting material of current standard simultaneously, then have in light weight and strain reaches the advantage that is beneficial to walking with respect to steel part.
Claims (9)
1, a kind of safety toes of footware, sole preparation method comprise following technical process successively: at first, select a kind of moulding material that includes the reinforced thermoplastic resin of tempered glass short fiber or reinforcing fiber braid; Then, moulding material is heated to softening; At last, the moulding material after will softening is again put into the moulding of mould mesohigh.
2, the safety toes of footware as claimed in claim 1, sole preparation method, it is characterized in that: the moulding material described in the above-mentioned technical process is to adopt to include the reinforced thermoplastic resin of tempered glass short fiber or to include wherein a kind of as central core in the moulding material of reinforced thermoplastic resin of reinforcing fiber braid, and another kind of moulding material is as superficial layer, is pressed into tabular mode and forms with the sandwich interlayer or to cut a strand short fiber height.
3, the safety toes of footware as claimed in claim 1 or 2, sole preparation method is characterized in that: when the male model in the mould described in the above-mentioned technical process cooperated with master mold, the top periphery was reserved 0.05～0.10 centimeter gap.
4, the safety toes of footware as claimed in claim 1 or 2, sole preparation method is characterized in that: described reinforcing fiber braid comprises that twill is weaved cotton cloth, thin silk fabric shape is weaved cotton cloth, flat fabric; The amount of its reinforcing fiber (weight ratio) is 30%～70%.
5, the safety toes of footware as claimed in claim 4, sole preparation method is characterized in that: the amount of its reinforcing fiber (weight ratio) is 50%～65%.
6, the safety toes of footware as claimed in claim 4, sole preparation method is characterized in that: described reinforcing fiber braid is that twill is weaved cotton cloth, and its organizine is that 2, tram are 1; Perhaps its organizine is that 1, tram are 2.
7, the safety toes of footware as claimed in claim 2, sole preparation method is characterized in that: the yarn Shu Changdu of described tempered glass short fiber is 0.5 inch～4 inches, and reinforcing fiber amount (weight ratio) is 30%～50%.
8, the safety toes of footware as claimed in claim 7, sole preparation method is characterized in that: described reinforcing fiber amount (weight ratio) is 40%.
9, the safety toes of footware as claimed in claim 1 or 2, sole preparation method, it is characterized in that: described thermoplastic resin is nylon, polypropylene, polycarbonate resin or polybutene terephthalic acid (TPA) fat, and the amount of thermoplastic resin (weight ratio) is 40%～50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01136742 CN1413535A (en) | 2001-10-23 | 2001-10-23 | Method fo making safety toecap and sole of work shoes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01136742 CN1413535A (en) | 2001-10-23 | 2001-10-23 | Method fo making safety toecap and sole of work shoes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1413535A true CN1413535A (en) | 2003-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01136742 Pending CN1413535A (en) | 2001-10-23 | 2001-10-23 | Method fo making safety toecap and sole of work shoes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1413535A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405002A (en) * | 2013-06-28 | 2013-11-27 | 句容市百事特复合材料有限公司 | Composite glass fiber material with mixed reinforced form and safety toe cap made of composite glass fiber material |
| CN113208233A (en) * | 2021-05-15 | 2021-08-06 | 东莞维特贸易有限公司 | Safety shoe protection iron head and manufacturing method thereof |
-
2001
- 2001-10-23 CN CN 01136742 patent/CN1413535A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405002A (en) * | 2013-06-28 | 2013-11-27 | 句容市百事特复合材料有限公司 | Composite glass fiber material with mixed reinforced form and safety toe cap made of composite glass fiber material |
| CN113208233A (en) * | 2021-05-15 | 2021-08-06 | 东莞维特贸易有限公司 | Safety shoe protection iron head and manufacturing method thereof |
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