TWI668094B - Method for manufacturing artificial leather upper - Google Patents

Abstract

The invention relates to a method for manufacturing an artificial leather upper, which mainly comprises a material, a machine setting, a shoe material setting, a lower die seat suction, a heating molding, a demoulding, an image recognition, a laser treatment, and a coloring. In the same steps, the artificial leather upper material can be used to manufacture the desired upper product; thereby, the artificial leather upper material can be integrally formed to manufacture the desired upper, making it not only easier to manufacture. Convenience, and the ability to manufacture more quickly, can effectively improve its manufacturing efficiency, increase productivity, reduce labor, and increase the utility characteristics in its overall implementation.

Description

Artificial leather upper manufacturing method

The invention relates to a method for manufacturing an artificial leather upper, in particular to a shoe upper which can integrally form an artificial leather upper material, so that it is not only simpler and more convenient to manufacture, but also can be more connected. Rapid manufacturing can relatively effectively improve its manufacturing efficiency, increase productivity, reduce labor, and increase the utility characteristics in its overall implementation.

According to the people, in the process of walking and running, in order to avoid being worn and stabbed by rough and hard ground, stones on the ground, various foreign objects, etc., and also to keep the feet clean and clean, people will be at the feet. Wearing all kinds of shoes to protect the safety of the feet and keep them clean; and the shoes have gradually evolved from the early sandals and rafts to the shoes of various materials, such as shoes and shoes, and in style and color. Also strive to seek new changes, with a variety of beautiful, bright, special style shoes.

However, although the above various types of shoes can achieve the intended effect, but also found in their actual use, the manufacture of the upper is made by several blocks, which not only causes great inconvenience in manufacturing. And it will also cause it to take more time to sew, so that there is still room for improvement in its overall implementation.

In view of this, the inventor has provided many years of experience in the design, development and actual production of the relevant industries, and has researched and improved the existing structure and defects to provide a method for manufacturing artificial leather uppers with a view to achieving better practical value. The purpose of the person.

The main object of the present invention is to provide a method for manufacturing an artificial leather upper, which is mainly capable of integrally molding an artificial leather upper material to manufacture a desired upper, so that it is not only simpler and more convenient to manufacture, but also can be more connected. For rapid manufacturing, it is relatively effective to improve its manufacturing efficiency, increase productivity, reduce labor, and increase the utility characteristics in its overall implementation.

The main purpose and effect of the artificial leather upper manufacturing method of the present invention are achieved by the following specific technical means:

Its main system includes the following steps:

A. Material: use artificial leather upper material of preset size;

B. Machine setting: set the temperature and time preset value of the thermoplastic machine to heat the mold base and the lower mold base of the thermoplastic machine, and provide heat dissipation grooves on the lower mold base. And a plurality of heat dissipation holes are formed in the heat dissipation groove, and the heat dissipation holes are connected to the vacuum pump, and a detachable upper pattern block template is disposed on the lower mold base;

C. Upper material setting: when the heating temperature of the upper mold base and the lower mold base reaches a preset value, at least one piece of the artificial leather upper material is placed face down on the upper pattern block template, so that The artificial leather upper material is in a state of being in conformity with the upper pattern block template, and is provided with an air blocking piece, and the air blocking piece completely blocks the air to make it preliminary flat;

D. Lower die holder pumping: the vacuum pump connected to the heat dissipation air hole of the lower mold base is activated, and the vacuum pump is pumped from the heat dissipation air hole to evacuate excess air. , the artificial leather upper material is maintained in a stable flat state on the upper pattern block template;

E. heating molding: the thermoplastic machine controls the upper mold base to cover the lower mold base to start heating and molding the artificial leather upper material placed on the upper pattern block template, so that the artificial The leather upper material softens due to an increase in temperature to form a pattern and a block drop stack corresponding to the upper pattern block template on the front side of the artificial leather upper material;

F. demoulding: after the heating machine reaches the preset time, the upper mold base will rise off the lower mold base, and the vacuum pump stops pumping, and after the air blocking piece cools down, the mold is lifted. The air-shielding sheet is released from the air isolation state, and the artificial leather upper material is demolded on the upper pattern block template;

G. Image recognition: the artificial leather upper material after demolding is subjected to image recognition processing and positioning scanning to locate the desired colored block area, vent hole, positioning hole and excess waste on the artificial leather upper material. Detailed location

H. Laser processing: performing laser processing on the artificial leather upper material which is image-identified and positioned, cutting the excess waste of the artificial leather upper material by laser, and using the laser beam on the artificial leather upper material Punching holes and positioning holes;

I. Coloring: the laser-treated artificial leather upper material is placed on a positioning template, and the artificial leather upper material is printed by a 3D curved printing machine to obtain the artificial leather upper material. The colored block accurately prints the desired color, and then the artificial leather upper material is removed by the positioning template, that is, the artificial leather upper is obtained.

A preferred embodiment of the method for manufacturing an artificial leather upper according to the present invention, wherein the upper mold base and the lower mold base are heated by an electric heating tube.

A preferred embodiment of the method for manufacturing an artificial leather upper according to the present invention, wherein a metal heat conducting sheet is disposed between the electric heating tube and the upper mold base and the lower mold base to maintain a temperature average of the heat transfer area.

In a preferred embodiment of the method for manufacturing an artificial leather upper of the present invention, the heat dissipating grooves are linearly and horizontally staggered with each other in the lower mold base.

A preferred embodiment of the method for manufacturing an artificial leather upper of the present invention, wherein the upper pattern block template is made of a ceramic material.

A preferred embodiment of the method for manufacturing an artificial leather upper of the present invention, wherein the manufacture of the upper pattern block template has the following steps:

a. Making board: picking the matching leather material, cutting the size required for each block, sewing the original shoe version;

b. Making a master mold: using a silicone resin to laminate the original shoe plate into a silicone resin shoe master;

c. Making a male mold: making a male mold of a silicone resin shoe with the epoxy resin shoe master;

d. Forming template: The shoe upper pattern template is turned over by the silicone resin shoe version.

A preferred embodiment of the method for producing an artificial leather upper of the present invention, wherein the air barrier sheet is made of a silicone material.

A preferred embodiment of the method for manufacturing an artificial leather upper according to the present invention, wherein the artificial leather upper material is lifted from the edge by a corner, and then the operator blows the air with a high pressure air gun, and uses the high pressure wind of the high pressure air gun to cool down and The artificial leather upper material is prevented from being deformed, and the speed of the artificial leather upper material and the upper pattern block template is accelerated.

A preferred embodiment of the method for manufacturing an artificial leather upper of the present invention, wherein the artificial leather upper material is subjected to image recognition processing and positioning scanning by using a CCD image recognition technology.

For a more complete and clear disclosure of the technical content, the purpose of the invention and the effects thereof achieved by the present invention, it is explained in detail below, and please refer to the drawings and drawings:

First, please refer to the first drawing, the schematic diagram of the manufacturing process of the present invention, the second drawing, the schematic view of the three-dimensional structure of the thermoplastic machine of the present invention, and the third drawing, which is shown in the cross-sectional structural view of the heating molding step of the present invention. The following steps:

A. Material: use artificial leather upper material of preset size (1);

B. Machine setting: the thermostat (2) is turned on to set the temperature and time preset value to start heating the mold base (21) and the lower mold base (22) on the thermoplastic machine (2). The upper mold base (21) and the lower mold base (22) are heated by an electric heating tube, and a metal can be disposed between the electric heating tube and the upper mold base (21) and the lower mold base (22). a heat conducting sheet for maintaining a temperature average of the heat conducting area, and a heat dissipating groove (221) in which the straight line and the horizontal line are staggered with each other is disposed on the lower mold base (22), and is disposed at a position in the middle of the lower mold base (22) The heat dissipation groove (221) is provided with a plurality of heat dissipation holes (222), and the heat dissipation air holes (222) are arranged by arranging two heat dissipation air holes and 30 heat dissipation small holes, so that the heat dissipation holes (222) and the vacuum help hole The Pudong is connected, and a detachable upper pattern template (3) is disposed on the lower mold base (22), and the upper pattern block template (3) is made of ceramic material;

C. Upper material setting: at least one piece of the artificial leather upper material (1) is placed face down when the heating temperature of the upper mold base (21) and the lower mold base (22) reaches a preset value The upper pattern block template (3) allows the artificial leather upper material (1) to be in a state of being in conformity with the upper pattern block template (3), and is provided with an air blocking piece (4). The air blocking piece (4) can be made of a silicone material, and the air blocking piece (4) completely blocks the air to make it preliminary flat;

D. Lower die holder pumping: the vacuum pump connected to the heat dissipation air hole (222) of the lower die holder (22) is activated, and the vacuum pump is used by the heat dissipation air hole (222) to the lower mold base (22) Carrying out a pumping operation to remove excess air, so that the artificial leather upper material (1) maintains a stable vacuum flat state on the upper pattern block template (3), and can improve the heat dissipation speed, so that The upper pattern block template (3) maintains a stable temperature to prevent the artificial leather upper material (1) from being cracked due to excessive temperature and the upper pattern of the upper pattern block (3) being cracked due to excessive temperature;

E. Heating molding: the thermoplastic machine (2) controls the upper mold base (21) to cover the lower mold base (22) to face the artificial leather placed on the upper pattern block template (3) The upper material (1) is subjected to heating molding, so that the artificial leather upper material (1) is softened due to an increase in temperature to form a front block with the upper surface of the artificial leather upper material (1). The pattern (3) corresponding to the texture and block drop stack;

F. Demoulding: After the heating machine (2) reaches the preset time, the upper mold base (21) will rise off the lower mold base (22), and the vacuum pump stops pumping and operates. The person blows the air blocking piece (4) with a high-pressure air gun to cool it. After the air blocking piece (4) is cooled, the air blocking piece (4) is lifted to release the air isolation state, and the artificial leather shoes can be The surface material (1) picks up a corner from the edge, and then the operator blows the air with a high-pressure air gun, uses the high-pressure wind of the high-pressure air gun to cool down and prevents the artificial leather upper material (1) from being deformed, and accelerates the artificial leather. The detachment speed of the upper material (1) from the upper pattern block template (3) prevents the artificial leather upper material (1) from being placed on the upper pattern block template (3) for a long time, so that The artificial leather upper material (1) has a poor quality condition, and the artificial leather upper material (1) is subjected to a release treatment on the upper pattern block template (3);

G. Image recognition: The artificial leather upper material (1) after demolding is subjected to image recognition processing and positioning scanning by CCD image recognition technology to locate the desired coloring area on the artificial leather upper material (1). The detailed position of the block area, the vent hole, the positioning hole and the excess waste can reduce the misjudgment of the artificial naked eye recognition by the CCD image recognition technology, shorten the working time and increase the production capacity;

H. Laser processing: performing laser processing on the artificial leather upper material (1) which is image-identified and positioned, cutting the artificial leather upper material (1) excess waste by laser, and using the laser beam The artificial leather upper material (1) is punched with a venting hole and a positioning hole, and the laser processing can shorten the working time and increase the productivity;

I. Coloring: the artificial leather upper material (1) after laser treatment is placed on a positioning template, and the artificial leather upper material (1) is printed by a 3D curved printing machine to the artificial The desired color of the leather upper material (1) is accurately printed, and the artificial leather upper material (1) is printed by the 3D curved printing machine, because the artificial leather upper material ( 1) After heating and shaping, and then printing after cooling, it can not only accurately align the position, but also will not damage the ink structure, and there will be no chromatic aberration, which can make the artificial leather upper material (1) The quality conditions such as degree, wear resistance and tortuosity meet the test standard values required by the footwear brand, and the artificial leather upper material (1) is removed by the positioning template, that is, the artificial leather upper is obtained.

For the manufacture of the upper pattern block template (3), please refer to the fourth diagram of the fourth embodiment of the method for manufacturing the upper pattern block template of the present invention, which has the following steps:

a. Making board: picking the matching leather material, cutting the size required for each block, sewing the original shoe version;

b. Making a master mold: using a silicone resin to laminate the original shoe plate into a silicone resin shoe master;

c. Making a male mold: making a male mold of a silicone resin shoe with the epoxy resin shoe master;

d. Forming template: Finally, the shoe upper pattern template (3) is turned over by the silicone resin shoe model.

In this way, please refer to the fifth figure of the present invention, as shown in the schematic diagram of the finished state of the shoe, and the finished artificial leather upper can be finished to produce a shoe (5).

As described above, the use of the present invention shows that the present invention is mainly capable of integrally molding an artificial leather upper material to produce a desired upper, as compared with the prior art. It is simpler and more convenient to manufacture, and it can be manufactured more quickly, which can effectively improve its manufacturing efficiency, increase productivity, reduce labor, and increase the utility characteristics in its overall implementation.

However, the above-described embodiments or drawings are not intended to limit the structure or the use of the present invention, and any suitable variations or modifications of the invention will be apparent to those skilled in the art.

In summary, the embodiments of the present invention can achieve the expected use efficiency, and the specific structure disclosed therein has not been seen in similar products, nor has it been disclosed before the application, and has completely complied with the provisions of the Patent Law. And the request, the application for the invention of a patent in accordance with the law, please forgive the review, and grant the patent, it is really sensible.

(1)‧‧‧Faux leather upper materials

(2) ‧ ‧ thermoplastic machine

(21)‧‧‧上模座

(22) ‧‧‧ lower mold base

(221)‧‧‧Heat grooves

(222)‧‧‧Heat vents

(3) ‧‧‧Shoe pattern block template

(4) ‧‧‧Air barrier

(5) ‧ ‧ shoes

First: Schematic diagram of the manufacturing process of the present invention

Second: Schematic diagram of the three-dimensional structure of the thermoplastic machine of the present invention

Third: Schematic diagram of a cross-sectional structure of the heating and molding step of the present invention

Fourth: Flow chart of the method for manufacturing the upper pattern block template of the present invention

Fig. 5 is a schematic view showing the three-dimensional structure of the finished state of the shoe of the present invention

Claims (9)

The invention relates to a method for manufacturing an artificial leather upper, which mainly comprises the following steps: A. taking material: using artificial leather upper material of preset size; B. setting of machine: setting the temperature and time preset value of the thermoplastic machine Heating the mold base and the lower mold base of the thermoplastic machine, and providing a heat dissipation groove on the lower mold base, and providing a plurality of heat dissipation holes in the heat dissipation groove, so that the heat dissipation hole and the vacuum help The Puyang connection is provided with a detachable upper pattern block template on the lower mold base; C. The upper material setting: when the heating temperature of the upper mold base and the lower mold base reaches a preset value, at least A piece of the artificial leather upper material is placed face down on the upper pattern block template, so that the artificial leather upper material is in conformity with the upper pattern block template, and an air blocking piece is disposed at the same time. Using the air blocking piece to completely block the air to be initially flattened; D. lower die holder pumping: the vacuum pump connected to the cooling air hole of the lower mold base is activated, and the vacuum pump is caused by the cooling air hole The lower mold base performs the pumping operation to The remaining air is pumped off, so that the artificial leather upper material maintains a stable flat state on the upper pattern block template; E. heating molding: the thermoplastic machine controls the upper mold base to cover the lower mold base to The artificial leather upper material placed on the upper pattern template is heated and shaped, so that the artificial leather upper material softens due to an increase in temperature to form on the front side of the artificial leather upper material. The upper pattern and the block drop of the upper pattern block template are stacked; F. demoulding: after the heating machine reaches the preset time, the upper mold base is lifted off the lower mold base, the vacuum The pump stops pumping, and after the air barrier piece is cooled, the air barrier piece is lifted to release the air isolation state, and the artificial leather upper material is demolded on the upper pattern block template; Image recognition: The artificial leather upper material after demolding is subjected to image recognition processing and positioning scanning to locate the desired color block area, vent hole, positioning hole and excess waste on the artificial leather upper material. Bit H. Laser processing: performing laser processing on the artificial leather upper material which has been image-identified and positioned, cutting the excess waste of the artificial leather upper material by laser, and using the laser beam on the artificial leather upper Venting holes and positioning holes are formed on the material; I. Coloring: the artificial leather upper material after laser treatment is placed on a positioning template, and the artificial leather upper material is printed by a 3D curved printing machine to The desired color is accurately printed on the colored block of the artificial leather upper material, and the artificial leather upper material is removed from the positioning template to obtain the finished upper. The method of manufacturing the artificial leather upper according to the first aspect of the invention, wherein the upper mold base and the lower mold base are heated by an electric heating tube. The method of manufacturing the artificial leather upper according to the second aspect of the invention, wherein the electric heating tube and the upper mold base and the lower mold base are provided with a metal heat conductive sheet to maintain a temperature average of the heat transfer area. The method of manufacturing the artificial leather upper according to the first aspect of the invention, wherein the heat dissipation groove is such that a straight line and a horizontal line are alternately arranged on the lower mold base. The method for manufacturing an artificial leather upper according to the first aspect of the invention, wherein the upper pattern block template is made of a ceramic material. The method for manufacturing an artificial leather upper according to claim 1 or 5, wherein the manufacture of the upper pattern block template has the following steps: a. making a board: selecting a matching leather material and cutting each area. The required size of the block, the original shoe version is sewn; b. The master mold: the original shoe plate is turned over with the silicone resin shoe mold; c. The epoxy resin shoe shoe master mold is made to expand the epoxy resin shoe plate male mold; d. Forming template: the shoe upper pattern block template is turned over by the silicone resin shoe plate male mold. The method for manufacturing an artificial leather upper according to the first aspect of the invention, wherein the air barrier sheet is made of a silicone material. The method for manufacturing an artificial leather upper according to the first aspect of the invention, wherein the artificial leather upper material is raised from a corner, and then the operator blows the air with a high-pressure air gun, and the high-pressure wind of the high-pressure air gun is used. The temperature is lowered and the artificial leather upper material is prevented from being deformed, and the speed of the artificial leather upper material and the upper pattern block template is accelerated. The method for manufacturing an artificial leather upper according to the first aspect of the invention, wherein the artificial leather upper material is subjected to image recognition processing and positioning scanning by using a CCD image recognition technology.