CN102429409A - Method of design bottom arcs of shoe last - Google Patents
Method of design bottom arcs of shoe last Download PDFInfo
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- CN102429409A CN102429409A CN2011103647062A CN201110364706A CN102429409A CN 102429409 A CN102429409 A CN 102429409A CN 2011103647062 A CN2011103647062 A CN 2011103647062A CN 201110364706 A CN201110364706 A CN 201110364706A CN 102429409 A CN102429409 A CN 102429409A
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Abstract
The invention discloses a method of designing bottom arcs of a shoe last, which includes acquiring foot type bottom arc curves and designing a shoe last board. Acquisition of foot type bottom arc curves includes acquiring three-dimensional data of a foot, calibrating points of all parts of the foot, acquiring an axial profile diagram about the foot, and acquiring bottom arc curves of the foot type. Design of the shoe last board includes setting up a referential shoe last bottom arc board, designing step by step according to the foot type bottom arc curves, smoothly connecting all the curves and obtaining the shoe last bottom arc board. Three-dimensional foot scanning for acquiring a three-dimensional foot mode replaces manual measurement of foot dimensional data, accuracy of data acquisition and analysis is guaranteed, and subjective comfort evaluation by a tester is utilized, so that the best comfort of the shoe last made by the method can be achieved. Application of the method promotes the shoe last industry towards high precision, high comfort and high efficiency.
Description
Technical field
The present invention relates to the method for designing of arc at the bottom of a kind of shoe tree, relating in particular to a kind of is the method for designing of arc at the bottom of the shoe tree of omnidistance digitlization operation of foundation with arc at the bottom of the pin type, belongs to the production field of shoe tree.
Background technology
Shoe tree design is the top priority of shoemaking, is that the data with each position of pin type are that the basis is designed.Therefore, the quality of shoe tree design directly influences into the footwear comfortableness.The most important thing is the design of arc at the bottom of the shoe tree in the shoe tree design, it is one of most important factor of decision shoe tree part comfortableness.
In the design of arc at the bottom of traditional shoe tree, each position data all with the practice experience value as a reference.After the design of whole shoe tree is accomplished,, propose the subjective comfort impression through the person of trying on standard pin type, and with this as shoe tree at the bottom of the foundation of arc curve modification.The high shoe tree of a pair of comfort level just can obtain after usually need the person of trying on repeatedly trying modification on; And the person's of trying on feedback information all is subjective feelings; There are not objective data as guidance; The arc design is not only wasted time and energy at the bottom of causing present shoe tree, and arc is difficult to let most people feel comfortably cool at the bottom of the shoe tree that is designed to, and has limited the development of shoe tree production industry.
Summary of the invention
The object of the invention is the method for designing of arc at the bottom of the shoe tree of omnidistance digitlization operation of foundation with arc at the bottom of the pin type with regard to being to provide in order to address the above problem a kind of.
In order to achieve the above object, the present invention has adopted following technical scheme:
The present invention includes arc curve at the bottom of the pin type obtain with shoe tree at the bottom of the design of arc clamp; Obtaining of arc curve comprises following flow process at the bottom of the said pin type: gather arc curve at the bottom of foot three-dimensional data → each site of demarcation foot → obtain foot axis section profile figure → obtain pin type; Arc clamp design comprises following flow process at the bottom of the said shoe tree: set up with reference to arc curve at the bottom of the said pin type of arc clamp → foundation at the bottom of the shoe tree and carry out arc clamp at the bottom of each section of segment design → smooth connection curve → acquisition shoe tree.The design of arc clamp combines with arc curve at the bottom of the pin type of precisely gathering at the bottom of the shoe tree, makes the curve hommization more of arc at the bottom of the shoe tree, can obviously strengthen the comfort level of shoe tree.
Particularly, the method for said " gathering the foot three-dimensional data " is: gather the threedimensional model of foot under differing heights heel bed hedgehopping situation through the foot spatial digitizer, and preserve in 1: 1 ratio.Obtain image and model through method for scanning, not only simple, quick, and also precision is high, helps the accurate calculating of each spot size of pin, and help later stage utilization software to handle, to obtain desired data.
Particularly; The method of said " demarcating each site of foot " is: before carrying out the foot 3-D scanning, the usage flag point is attached at the following key position point of foot: the first articulationes metatarsophalangeae position, the 5th articulationes metatarsophalangeae position, tuberosity of fifth metatarsal bone position, mid-point of heel position; The correspondence position of image is labeled as following site successively after scanning: half sole impetus, flank site, heel heart site, the most prominent point of heel.
As preferred plan, the step of said " setting up with reference to arc clamp at the bottom of the shoe tree " is following:
(1) at first draws datum line of level, a vertical datum line; Datum line of said level translation 30mm that makes progress obtains No. two datum lines of level, and a said vertical datum line obtains vertical No. two datum lines to left 30mm;
(2) No. two datum lines of shoe tree half sole impetus and level are overlapped, the shoe tree back curve is tangent with vertical No. two datum lines;
(3) draw arc curve at the bottom of the shoe tree, back curve and before lift up reference line;
(4) mark half sole impetus, preceding site, landing part, flank site, heel heart site, heel point and the back height degree site of lifting up; Level and smooth each point line line promptly obtains with reference to arc clamp at the bottom of the shoe tree;
The method of said " carrying out segment design according to arc curve at the bottom of the said pin type " is: at first improve said key position point with reference to arc clamp at the bottom of the shoe tree: increase mark head height point and follow the oral area site; Said is 23% of pin length with the distance between oral area site and the heel point, and the said oral area site of following is between said flank site and said heel heart site; Carry out segment design by following method then: put the position section between the said half sole impetus from said head height, adopt said with reference to the corresponding section of arc clamp at the bottom of shoe tree curve; From lifting up mid point between site, landing part and the said flank site before said, adopt the three-dimension foot type external malleolus outline line in the arc curve at the bottom of the said pin type to the position section the said half sole impetus; From lift up before said between site, landing part and the said flank site mid point to said be basic point with the position section the oral area site with the flank site in the arc curve at the bottom of the said pin type, adopt the corresponding outline line in the arc curve at the bottom of the said pin type; From said with the oral area site to the position section the said heel point, according to said gradient standard design curve with the oral area position.With the introducing in oral area site, can according to height heels design rightly with pin after the shoe tree curve at the corresponding position of the palm, make shoe tree design hommization more.
Beneficial effect of the present invention is:
Because the present invention obtains foot threedimensional model instead of manual through the foot 3-D scanning and measures the foot sizing data; Guaranteed the accurate of data collection and analysis; And combination tester's subjective comfort evaluation, so the shoe tree that adopts the present invention to make can obtain best comfort level; Application of the present invention helps the shoe tree industry and develops to high accuracy, high degree of comfort, high efficiency direction.
Description of drawings
Fig. 1 is shoe tree and the corresponding part mark sketch map of foot among the present invention;
Fig. 2 is the sketch map of arc two-dimensional curve at the bottom of the pin type among the present invention;
Fig. 3 is the sketch map of arc two-dimensional curve in coordinate system at the bottom of the pin type among the present invention;
Fig. 4 be among the present invention at the bottom of the pin type during arc two dimension pin type analysis at the bottom of the sketch map of arc matched curve;
Fig. 5 is the sketch map that designs with reference to the shoe tree clamp among the present invention;
Fig. 6 is the sketch map of new shoe tree clamp design among the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is made further specific descriptions:
One, gather the foot three-dimensional data:
As shown in Figure 1, carry out the foot 3-D scanning before, the usage flag point is attached at following foot key position point: first sole of the foot toe position, the 5th sole of the foot toe position, tuberosity of fifth metatarsal bone position, mid-point of heel position; Gather the threedimensional model of foot under differing heights heel bed hedgehopping situation through the foot spatial digitizer then, and preserve in 1: 1 ratio.Above among Fig. 1 is foot 1, and the centre is a shoe tree 2, comprises footprint 3 and last outline 4 below.
Two, three-dimension foot type analysis:
As shown in Figure 1, in above-mentioned three-dimension foot type data model Input Software, the following foot key position point of mark at first: first sole of the foot toe position, the 5th sole of the foot toe position, tuberosity of fifth metatarsal bone position, mid-point of heel position; Draw the original pattern axis then, mark and the corresponding following basic courses department of above-mentioned key position point site: half sole impetus, flank site, heel heart site, the most prominent point of heel; Set up user coordinate system, use dynamic cross section to obtain the axis, obtain foot axis section profile figure (not shown); At last pin type axis outline line is derived and obtain arc two-dimensional curve at the bottom of the pin type shown in Figure 2.
Three, two-dimentional pin type analysis:
Two-dimentional pin type profile Input Software is carried out data, and concrete operations are following:
(1) set up coordinate system:
As shown in Figure 3, the most prominent subpoint at horizontal plane of heel is decided to be coordinate origin O.End arc curve is a starting point with the most prominent point of heel, extends along X axle negative direction and Y axle positive direction, till half sole impetus J point.Each point is the coordinate figure of X axle apart from O point horizontal range on the curve, is the coordinate figure of Y axle apart from O point vertical range.
(2) set up the site coordinate:
In conjunction with Fig. 3, find each the basic courses department site that marks on the curve: half sole impetus, flank site, heel heart site, the most prominent point of heel, measure the distance of each point successively apart from the X axle, and apart from the distance of Y axle.
(3) set up the standard point coordinate:
In conjunction with Fig. 3, be starting point with the O point, 5-10mm makes the vertical line of X axle successively at interval, till curve finishes.Utilize the survey tool of plane software, measure the distance of each point successively, and End of Curve is apart from the distance of Y axle apart from the X axle.
(4) data importing and analysis:
The coordinate of each point is imported respectively in the DAS form, so that post analysis.
Carry out the new curve match of arc mean value at the bottom of the pin type through analysis software, obtain end arc matched curve shown in Figure 4.
Four, with reference to the foundation of arc clamp at the bottom of the shoe tree:
As shown in Figure 5, datum line 6 of level is at first drawn in (1), a vertical datum line 8; Datum line of level 6 upwards translation 30mm obtains No. two datum lines 5 of level, and a vertical datum line 8 obtains vertical No. two datum lines 7 to left 30mm.
(2) shoe tree half sole impetus J point is overlapped with No. two datum lines 5 of level, the shoe tree back curve is tangent with vertical No. two datum lines 7.
(3) draw arc curve at the bottom of the shoe tree, back curve and before lift up reference line.
(4) mark half sole impetus J point, preceding site, landing part N point (also claiming flex point), flank site G point, heel heart site H point, heel point O point and the back height degree site M point of lifting up; Level and smooth each point line line promptly obtains with reference to arc clamp at the bottom of the shoe tree.
Five, the design of arc clamp at the bottom of the new shoe tree:
Mainly to be the basis with reference to sticking up with back curve before the arc clamp at the bottom of the shoe tree, arc curve and site at the bottom of the pin type that foundation analysis obtains are revised end arc curve (some section from J to O) and site in the design of new shoe tree clamp.Concrete operations are described below:
(1) as shown in Figure 5; At first improve said key position point: increase mark head height point A point and follow oral area site K point with reference to arc clamp at the bottom of the shoe tree; With the distance between oral area site K point and the heel point O point is 23% of pin length, follows oral area site K point between flank site G point and heel heart site H point.
(2) as shown in Figure 6, to the position section the half sole impetus J point, adopt said from head height point A point with reference to the corresponding section of arc clamp at the bottom of shoe tree curve; Lift up mid point between site, landing part N point and the flank site G point to the position section between the half sole impetus J point in the past, adopt the three-dimension foot type external malleolus outline line in the arc curve at the bottom of the said pin type; The mid point of in the past lifting up between site, landing part N point and the flank site G point arrives the position section of following between the K point of oral area site, is basic point with the flank site in the arc curve at the bottom of the said pin type, adopts the corresponding outline line in the arc curve at the bottom of the said pin type; From following oral area site K point, according to said gradient standard design curve with the oral area position to the position section the heel point O point.
(3) as shown in Figure 6, each section of smooth connection curve obtains arc clamp at the bottom of the new shoe tree, i.e. A point, J point, N point, G point, K point, H point, O point, the M junction curve of ordering.
On the basis of arc clamp at the bottom of the new shoe tree, make shoe tree at last.
The introducing of order with oral area site K, can according to height heels design rightly with pin after slap the shoe tree curve at corresponding position, make shoe tree design hommization more; Obtain foot threedimensional model instead of manual through the foot 3-D scanning and measure the foot sizing data, guaranteed the accurate of data collection and analysis.So the shoe tree that adopts said method to make can obtain best comfort level, and tool hommization.
Claims (4)
1. the method for designing of arc at the bottom of the shoe tree is characterized in that: comprise arc curve at the bottom of the pin type obtain with shoe tree at the bottom of the design of arc clamp; Obtaining of arc curve comprises following flow process at the bottom of the said pin type: gather arc curve at the bottom of foot three-dimensional data → each site of demarcation foot → obtain foot axis section profile figure → obtain pin type; Arc clamp design comprises following flow process at the bottom of the said shoe tree: set up with reference to arc curve at the bottom of the said pin type of arc clamp → foundation at the bottom of the shoe tree and carry out arc clamp at the bottom of each section of segment design → smooth connection curve → acquisition shoe tree.
2. the method for designing of arc at the bottom of the shoe tree according to claim 1; It is characterized in that: the method for said " gathering the foot three-dimensional data " is: gather the threedimensional model of foot under differing heights heel bed hedgehopping situation through the foot spatial digitizer, and preserve in 1: 1 ratio.
3. the method for designing of arc at the bottom of the shoe tree according to claim 1; It is characterized in that: the method for said " demarcating each site of foot " is: before carrying out the foot 3-D scanning, the usage flag point is attached at the following key position point of foot: the first articulationes metatarsophalangeae position, the 5th articulationes metatarsophalangeae position, tuberosity of fifth metatarsal bone position, mid-point of heel position; The correspondence position of image is labeled as following site successively after scanning: half sole impetus, flank site, heel heart site, the most prominent point of heel.
4. the method for designing of arc at the bottom of the shoe tree according to claim 1 is characterized in that: the step of said " setting up with reference to arc clamp at the bottom of the shoe tree " is following:
(1) at first draws datum line of level, a vertical datum line; Datum line of said level translation 30mm that makes progress obtains No. two datum lines of level, and a said vertical datum line obtains vertical No. two datum lines to left 30mm;
(2) No. two datum lines of shoe tree half sole impetus and level are overlapped, the shoe tree back curve is tangent with vertical No. two datum lines;
(3) draw arc curve at the bottom of the shoe tree, back curve and before lift up reference line;
(4) mark half sole impetus, preceding site, landing part, flank site, heel heart site, heel point and the back height degree site of lifting up; Level and smooth each point line line promptly obtains with reference to arc clamp at the bottom of the shoe tree;
The method of said " carrying out segment design according to arc curve at the bottom of the said pin type " is: at first improve said key position point with reference to arc clamp at the bottom of the shoe tree: increase mark head height point and follow the oral area site; Said is 23% of pin length with the distance between oral area site and the heel point, and the said oral area site of following is between said flank site and said heel heart site; Carry out segment design by following method then: put the position section between the said half sole impetus from said head height, adopt said with reference to the corresponding section of arc clamp at the bottom of shoe tree curve; From lifting up mid point between site, landing part and the said flank site before said, adopt the three-dimension foot type external malleolus outline line in the arc curve at the bottom of the said pin type to the position section the said half sole impetus; From lift up before said between site, landing part and the said flank site mid point to said be basic point with the position section the oral area site with the flank site in the arc curve at the bottom of the said pin type, adopt the corresponding outline line in the arc curve at the bottom of the said pin type; From said with the oral area site to the position section the said heel point, according to said gradient standard design curve with the oral area position.
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| CN2011103647062A CN102429409A (en) | 2011-11-17 | 2011-11-17 | Method of design bottom arcs of shoe last |
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| CN2011103647062A CN102429409A (en) | 2011-11-17 | 2011-11-17 | Method of design bottom arcs of shoe last |
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Cited By (9)
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| CN103020344A (en) * | 2012-12-05 | 2013-04-03 | 合肥工业大学 | Method for designing shoe trees based on geometrical characteristics of feet or shoe trees |
| CN103734995A (en) * | 2013-12-26 | 2014-04-23 | 温州职业技术学院 | Processing method for shoe cavity round upper angle type shoe and auxiliary tool |
| CN104041995A (en) * | 2013-03-13 | 2014-09-17 | 韦锦桥 | Method for manufacturing shoe tree bottom curve clamping plate |
| CN106858912A (en) * | 2017-01-04 | 2017-06-20 | 温州市华崎鞋楦有限公司 | Bottom arcs of shoe last measurer and shoe tree comparison method |
| CN107048597A (en) * | 2017-04-21 | 2017-08-18 | 温州职业技术学院 | A kind of foot type Quick Acquisition method and produce personalized shoe tree method using this method |
| CN110638144A (en) * | 2019-10-31 | 2020-01-03 | 温州大学瓯江学院 | Rapid expression method of shoe last structure |
| CN111480943A (en) * | 2019-01-27 | 2020-08-04 | 王国强 | Method for customizing leather shoe tree structure |
| CN111602922A (en) * | 2019-02-26 | 2020-09-01 | 韩建林 | Method for making handmade leather shoes |
| CN113435024A (en) * | 2021-06-21 | 2021-09-24 | 曹昌合 | Shoe product design method based on 3D digital technology |
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| CN103734995A (en) * | 2013-12-26 | 2014-04-23 | 温州职业技术学院 | Processing method for shoe cavity round upper angle type shoe and auxiliary tool |
| CN103734995B (en) * | 2013-12-26 | 2015-11-25 | 温州职业技术学院 | The processing method of a kind of footwear chamber circle side angie type footwear |
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| CN107048597A (en) * | 2017-04-21 | 2017-08-18 | 温州职业技术学院 | A kind of foot type Quick Acquisition method and produce personalized shoe tree method using this method |
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| CN111480943A (en) * | 2019-01-27 | 2020-08-04 | 王国强 | Method for customizing leather shoe tree structure |
| CN111480943B (en) * | 2019-01-27 | 2021-07-09 | 王国强 | Method for customizing leather shoe tree structure |
| CN111602922A (en) * | 2019-02-26 | 2020-09-01 | 韩建林 | Method for making handmade leather shoes |
| CN110638144A (en) * | 2019-10-31 | 2020-01-03 | 温州大学瓯江学院 | Rapid expression method of shoe last structure |
| CN110638144B (en) * | 2019-10-31 | 2021-04-27 | 温州大学瓯江学院 | Rapid expression method of shoe last structure |
| CN113435024A (en) * | 2021-06-21 | 2021-09-24 | 曹昌合 | Shoe product design method based on 3D digital technology |
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Application publication date: 20120502 |