CN105102639A

CN105102639A - A method for cutting leathers

Info

Publication number: CN105102639A
Application number: CN201480019922.5A
Authority: CN
Inventors: G·加鲁奇
Original assignee: Teseo SpA
Current assignee: Teseo SpA
Priority date: 2013-04-02
Filing date: 2014-03-28
Publication date: 2015-11-25
Also published as: BR112015024495A2; EP2981627A1; WO2014162249A1; MX2015009965A; ITBO20130143A1

Abstract

A method for cutting leathers for obtaining at least an article, comprising, in succession, steps of: positioning the leather (1) to be cut on a work plane (3); identifying on the leather (1) to be cut a profile (20) of at least an article (2) to be obtained; tracing on the leather (1) to be cut the profile (20) that has been identified; transferring the leather (1) to be cut on which the profile (20) has been traced to a remote manual cutting station (4); cutting the leather (1) by punch (5) at the traced profile (20), so as to obtain the article (2).

Description

For the method for cutting hides

Technical field

The present invention relates to leather processing technique field.Particularly, the present invention relates to the method for cutting hides.

Background technology

Such as footwear usually by cutting into the part that will assemble and manufacturing from large size leather for known leather article, and this large size leather has irregularly shaped usually.

Cut to obtain article to carry out on leather, such as, use automatic cutting machine, it comprises the permeable horizontal operation plane of air, and the leather that cut is arranged in this horizontal operation plane.Machine comprises source of suction, and this source of suction is arranged in below working face, can be driven into and make leather just keep stretching and static once be arranged on working face.

When leather is positioned on working face, the treater be connected with machine detects the periphery of the leather that will cut, and determines according to this detection " layout " of the article that will obtain.In other words, leather is determined the optimal placement of the article that will cut, to occupy its maximum possible surface, the article profile therefore reducing to waste and prevent to obtain is overlapped.

This decoration form display on a monitor, and is controlled by operator: operator can be identified in any defect that leather exists, and prevent the fault location that the outline of the article that will obtain is detecting.

Once complete operation, the projector apparatus projecting beam be connected with treater, this light beam comprises the profile of the article that will obtain on leather.

Machine is provided with cutting head, and this cutting head is supported by the movable carriage on working face, and precise tools (or cutting blade) is assemblied in this cutting head, so that this leather is cut at the article profile place projected on leather.

After the cutting operation, the article obtained like this take out from working face, and another leather to be processed can be arranged on this working face.

But, above-mentioned known arrangement has some defects.

In fact, need the workman of highly-specialised to manage and monitor that hi-precision cutting operates.This obviously causes very high cost.

And the instrument/cutting blade of use needs the long period for realizing the cutting of article, therefore has relatively low productivity.

Except expensive especially, these parting tools also incite somebody to action Fast Wearing after a period of time has passed.Therefore need to regularly replace them, thus larger investment will be born, even have the danger of important enterprise's machine down.

And, through after a while, the surface of working face (leather will be deployed on this working face) is inevitably damaged due to cutting blade, therefore need to change working face (very expensive operation), or relate to use remedial measures to limit its change (this remedial measures may need the longer settling time).

Summary of the invention

The object of the invention is to eliminate above-mentioned defect.

This object by openly a kind of according to claim 1, realize for the method for cutting hides.

Advantageously, method of the present invention can obviously reduce with cutting hides to obtain the cost and total time that article are associated.

First, disclosed method means that leather cutting operation is without the need for specialized workman; Cut through punching press to carry out, operator represent the accurate instruction will how carrying out cutting on leather.

Secondly, drift is present in leather processing department usually, and therefore disclosed method can use existing instrument, and does not further invest.

And do not need the expensive tool and the clean cut blade that use prior art, this instrument needs frequent replacing (different from drift) especially.

Those skilled in the art are very clear, the instrument being meant to the phase arthrotome with picture closing line of drift, usually by steel making, for cutting by being pressed thereon by drift the profile described on leather or other material.

Accompanying drawing explanation

Below with reference to have recorded in the description of the drawings in the present invention disclosed, for the feature of the method for cutting hides, in accompanying drawing:

Fig. 1 illustrate according to the inventive method, the positioning step of leather that will cut on working face;

Fig. 2 illustrate according to the inventive method, the step that identifies the profile of article that will obtain on the leather of cutting;

Fig. 3 illustrate according to the inventive method, the description step of the profile of article that will obtain on the leather of cutting;

Fig. 4 illustrate according to the inventive method, leather by artificial punching press to obtain the cutting step of article.

Embodiment

Below with reference to the accompanying drawings, for cutting hides so that the method succeedingly obtaining at least one article comprises the following steps: the leather 1 that will cut is positioned at working face 3 (see Fig. 1); The leather that will cut identifies the profile 20 (see Fig. 2) of at least one article 2 that will obtain.

Particularly, method also succeedingly comprises the following steps: the profile 20 (see Fig. 3, wherein, profile 20 is represented by dotted lines) describing at least one article that identified, that will obtain on the leather 1 that will cut; The leather 1 that will cut is sent to artificial cutting station 4 at a distance, and the profile 20 of at least one article on this leather 1, that will obtain is described; Cutting hides 1 is carried out by drift 5, to obtain article 2 (see Fig. 4) at profile 20 place described.

Advantageously, disclosed method can reduce the total cost be associated with cutting hides greatly, and this leather must be supported by currently known methods.

In fact, by method of the present invention, not only eliminate use instrument and/or clean cut blade, and also without the need for professional in cutting operation process.

Comprise in the present invention, the use of drift 5 in fact for the operator carrying out cutting without any need for specialization, these operator see the description line of profile on leather 1, article 2, and by little simple operations just can cut they (see Fig. 4).

Therefore, drift 5 (i.e. cutting knife determine closing line) has consistence, to overlap with the profile 20 of the article 2 that will obtain.

Specifically, with reference to figure 4, in a preferred embodiment of the invention, by the operator carrying out cutting on leather 1 (this leather 1 is arranged in the plane), drift 5 is manually located so that the cutting knife of drift 5 is in the outlining 20 on leather 1.Therefore, operator act on the press element 9 that is positioned at above plane (leather 1 is shelved on this plane), drift below 5 to apply pressure, and cutting hides 1 is to obtain article 2.

Also can select, drift 5 can removably be fixed on press element 9.

The use of drift 5 obviously can reduce clipping time relative to prior art, thus increases productivity in the article in stage reference time (such as work shift) acquisition (namely cutting out).

Relative to use at present, for the instrument of the automatic machine of cutting hides, drift 5 not only has cost low especially, and they are also in Already in leather cutting industry.As required, drift 5 can also have various ways, size and structure.

Importantly it should be known that artificial cutting station 4 also can from the place of outlining 20 on leather 1 very away from (such as can in different factories), and without any need for information technology connect and/or previous stage technology come for information transmission.What all operations personnel performing cutting must know describes, and therefore can see well on leather 1.

Cutting step carries out preventing working face 3 impaired (in the prior art, owing to directly using cutting blade on working face, this is impaired is inevitable) after a period of time has passed in the station different from working face 3.

Such as, the leather 1 cut can be arranged in horizontal operation plane 3, this horizontal operation plane 3 can pass through for air, and source of suction is positioned at this horizontal operation plane 3 (not shown) below, and can be driven into and leather 1 is remained on working face 3 stretches and static.

In the embodiment shown in the figures, the step leather 1 that will cut being described the profile 20 of at least one article 2 that will obtain will be realized (see Fig. 3) by curve plotter 6.

This can reduce for obtaining total cost needed for article 2 and time further; Curve plotter 6 is not only economical, but also special outlining 20 on leather 1 rapidly.

Such as, curve plotter 6 can be multiple head type, thus currently known methods can be used to ensure higher productivity.

In order to describe the profile 20 of at least one article 2 on the leather 1 that will cut, can use and can wipe ink or UV the ink ink of any type (or in any case).When using UV ink, the operator of cutting hides 1 will be equipped with special eye-protection glasses, for detecting the profile 20 (situation is not shown) described on leather 1.

Also can select, the step that leather 1 is described the profile of at least one article 2 that will obtain also can use laser to realize (this version is not shown).This ensures the larger description precision of profile 20.

In the end in a kind of situation, the description of the profile 20 of at least one article 2 on leather 1 can comprise otch (incision).

Advantageously, curve plotter 6 or laser can be carried by the balladeur train 8 of effect on working face 3, as shown in Figure 3.

Particularly, the step that leather 1 is described the profile 20 of each article 2 that will obtain is carried out like this, and namely each profile 20 is in fact relative to effective contour (i.e. surface) the outwards movement of the respective articles 2 that will obtain.This specification considers the thickness of drift 5 (particularly its cutting knife), thus after the cutting step, and article 2 can not undergage, but has suitable size.

Usually, once leather 1 is arranged on working face 3, just (namely scan) periphery of the leather 1 that will cut by making purpose processor to obtain.According to the periphery detected, draw out " layout " of the article 2 that will obtain, namely determine the optimum arrangement mode of the article 2 that will cut from leather 1, thus minimum waste, prevent the profile 20 of the article 2 that will obtain mutually overlapping simultaneously.

This decoration form is in the upper display of watch-dog 7 (see Fig. 2), and controlled by operator: operator can be identified in any defect that leather 1 exists, and prevent from the profile 20 of the article that will obtain to be arranged in detecting in the position of defect.

Obviously, in placement operations process, treater considers the movement of profile 20 relative to their effective contour of each article 2.

Identify that at leather 1 (profile 2 cuts from this leather 1) step of at least one article 2 that will obtain can comprise and carry out the sub-step of projection profiles 20 on leather 1 (such as by light beam, matrix or laser-projector, this situation is not shown).

Also can select, can not sub-step be comprised, and the profile 20 (being such as presented on watch-dog 7) of article 2 identified can not be projected on the leather 1 that will cut; Therefore, on leather 1, the step of the profile 20 of article depicted 2 can directly be carried out.

But, aforesaid method (claimed in claim below) can be used in the material different from leather, such as, become the form of single or multiple lift panel, more or less have flexibility.

Introduced by non-restrictive example above, it should be known that any final structure version is by the protection domain that drops on as claimed technical solution of the present invention below.

Claims

1. for cutting hides to obtain a method at least one article, described method phase ground connection comprises the following steps:

The leather (1) that will cut is positioned on working face (3);

The profile (20) of at least one article (2) that will obtain above is identified at the leather that will cut (1);

The feature of described method is, described method also phase ground connection comprises the following steps:

At the profile (20) that the upper description of the leather that will cut (1) has been identified;

By outlining (20), the leather (1) that will cut is sent to artificial cutting station (4) at a distance;

Cutting hides (1) is being carried out, to obtain article (2) by drift (5) by profile (20) place described.

2. method according to claim 1, wherein: the step above describing the profile (20) of the article (2) that will obtain at leather (1) is carried out like this, make profile (20) relative to the valid shape outwards movement of the respective articles that will obtain (2).

3. method according to claim 1 and 2, wherein: the step above describing the profile (20) of at least one article (2) that will obtain at the leather that will cut (1) is realized by curve plotter (6).

4. method according to claim 3, wherein: in order to above describe the profile (20) of at least one article (2) that will obtain at the leather that will cut (1), uses the ink or UV ink that can wipe.

5. method according to claim 1 and 2, wherein: the step above describing the profile (20) of at least one article (2) that will obtain at the leather that will cut (1) is realized by laser.

6. the method according to aforementioned any one claim, wherein: comprise otch at the upper outlining (20) of the leather that will cut (1).

7. the method according to aforementioned any one claim, wherein: above identify that at the leather that will cut (1) step of the profile (20) of at least one article (2) that will obtain comprises the sub-step be incident upon by profile (2) by least one light beam on leather (1).

8. the method according to aforementioned any one claim, wherein: the step phase ground connection of being carried out cutting hides (1) by drift (5) comprises following sub-step:

Drift (5) is manually positioned at the leather (1) that will cut upper and by profile (20) place described on leather (1);

Come in the upper pressing of drift (5) by press element (9), so that cutting hides (1) and acquisition article (2).