CN107114869B

CN107114869B - Non-adhesive rubber shoes with inner seams of soles and uppers and manufacturing process thereof

Info

Publication number: CN107114869B
Application number: CN201710543697.0A
Authority: CN
Inventors: 龙再风
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-07-05
Filing date: 2017-07-05
Publication date: 2022-12-27
Anticipated expiration: 2037-07-05
Also published as: CN107114869A

Abstract

The invention relates to the technical field of shoe industry manufacturing, and discloses a pair of non-adhesive rubber shoes with inner sewed soles and upper surfaces and a manufacturing process thereof, wherein the soles are formed by injection molding of a PUC material, a wire hiding groove and a wire distributing groove are respectively formed on the outer side and the inner side of each sole, and a groove is formed on the bottom surface of each sole; adopting a silica gel material to perform injection molding on the insole; cutting the leather or cloth into needed upper surfaces by a cutting machine; placing the edge of the upper into the thread hiding groove of the sole, enabling a thread to pass through the thread running groove and the thread hiding groove back and forth through a special thread sewing machine, and sewing the edge of the upper into the thread hiding groove; assembling the insole into the semi-finished shoe, placing a foot mold on the insole, and heating and shaping the foot mold after the upper surface coats the foot mold; the heel is placed into the groove, the heel and the sole are connected and fixed through the shoe nails, and the problems that the connection is not firm, harmful gas is generated, the environment is not protected, and the appearance attractiveness is not high due to the fact that the existing upper surface and the sole are bonded through glue are solved.

Description

Non-adhesive rubber shoes with inner-sewn soles and upper surfaces and manufacturing process thereof

Technical Field

The invention relates to the technical field of shoe manufacturing, in particular to a pair of non-adhesive rubber shoes with inner-sewed soles and upper surfaces and a manufacturing process thereof.

Background

In the manufacturing process of the traditional shoe, the matching part of the upper surface and the sole needs to be glued by glue, otherwise, the upper surface cannot be fixed firmly. However, the glue that is generally used in the present shoe processing industry all contains harmful substances such as formaldehyde and benzene, and the workman receives the infringement of glue harmful gas in the in-process of production, also can receive the influence of glue more or less after the customer wears this kind of shoes in addition, is unfavorable for promoting the comfort level of user to the sole and experiences, simultaneously also is not environmental protection.

Along with the continuous promotion of the manufacturing technology of the existing shoe industry, in the manufacturing process of the shoe, the upper surface and the sole do not need to be brushed with glue, the whole method of fixing the seam is adopted, but the seam of the upper surface is inevitably exposed at the obvious parts at two sides, the appearance is influenced, and the seam is easily worn in the wearing process to cause the thread to fall off, so that the firmness and the service life of the shoe are influenced. There is a need for improvements in the manufacturing of shoes that do not require glue brushing, yet enable the shoes to be more aesthetically pleasing, more secure and more environmentally friendly.

Disclosure of Invention

In order to solve the technical problems, the invention provides a pair of non-adhesive rubber shoes with inner-sewed soles and uppers and a manufacturing process thereof, so as to achieve the purposes of no need of glue brushing between the uppers and the soles, firm connection, beautiful and environment-friendly shoe bodies and solve the problems of insecure connection, harmful gas generation, environmental pollution and low appearance attractiveness caused by gluing between the uppers and the soles by glue.

In order to realize the technical effects, the technical scheme provided by the invention is as follows: a pair of non-adhesive rubber shoes with inner seams of soles and uppers comprises uppers, soles and midsoles, wherein each sole comprises an outer sole and an inner edge which are connected with each other, a wire hiding groove is formed between the outer sole and the inner edge along the periphery of the outer side of each sole, a rectangular wire distributing groove is formed between the outer sole and the inner edge along the inner side of each sole corresponding to the wire hiding groove, and arc-shaped grooves are formed in the two sides of the bottom of each wire distributing groove along the outline of each wire distributing groove; the edge of the upper surface is placed in the thread hiding groove, and the thread passes through the thread running groove and the thread hiding groove back and forth and is sewn into the thread hiding groove; the bottom surface of the insole is provided with a bulge matched with the inner edge opening, the outer edge of the bulge is provided with a clamping strip matched with the wiring groove, and the two sides of the clamping strip are provided with raised lines matched with the arc-shaped grooves.

Furthermore, a notch is formed in the end face of the clamping strip along the outline of the clamping strip, and an elastic piece is arranged between the two opposite side faces in the notch.

Furthermore, the elastic part is an arc-shaped elastic strip, two ends of the elastic strip are respectively connected with two opposite side faces of the notch, and the top of the elastic strip protrudes outwards out of the opening end face of the notch.

Furthermore, the bottom surface of the protrusion is an inward concave arc surface which gradually inclines from the periphery to the center of the protrusion.

Furthermore, a groove is formed in the root position of the outsole.

Furthermore, a plurality of anti-slip lines which are uniformly distributed are arranged on the surface of one side of the outer sole, which faces to the inner edge.

Further, the outer bottom edge is generally slightly larger outward than the inner edge.

Further, the end part of the inner edge inner wall of the upper side of the wire hiding groove is provided with a first arc-shaped chamfer, and two sides of the bottom of the wire hiding groove are provided with second arc-shaped chamfers.

Further, the sole is made of a PUC material, and the middle sole is made of a silica gel material.

The invention also discloses a manufacturing process of the non-adhesive rubber shoes sewed in the soles and the uppers, which comprises the following steps:

(1) The method comprises the following steps that a PUC material is adopted to injection mold a sole, a wire hiding groove and a wire routing groove are respectively formed on the outer side and the inner side of the sole, and a groove is formed on the bottom surface of the sole; adopting a silica gel material to perform injection molding on the insole; cutting the leather or cloth surface into required upper surfaces by a cutting machine;

(2) Placing the edge of the upper into the thread hiding groove of the sole, enabling a thread to pass through the thread running groove and the thread hiding groove back and forth through a special thread sewing machine, and sewing the edge of the upper into the thread hiding groove;

(3) Assembling the insole into the semi-finished shoe, placing a foot mold on the insole, and heating and shaping the foot mold after the upper surface coats the foot mold;

(4) The heel is placed in the groove, and the heel and the sole are connected and fixed through the spikes.

Compared with the prior art, the invention has the beneficial effects that:

1. the edge of the upper surface can be hidden in the line hiding groove of the sole, the thread can shuttle back and forth from the line hiding groove and the line running groove, no trace of any one thread can be seen from inside to outside of the finished shoe with the structure, the upper surface is fixed without the cooperation of adhesive, and a plurality of arc-shaped chamfers are arranged on the upper side of the line hiding groove, so that the upper surface and the sole are more naturally attached, the appearance is more attractive, the connection between the upper surface and the sole is more stable, and the manufacturing process is more environment-friendly;

2. the insole bulge can be clamped into the opening of the inner edge, and the surface of the outer sole is also provided with the plurality of anti-slip grains, so that stable assembly between the insole and the outer sole is realized, the insole cannot slide on the sole randomly in the use process of the finished shoe, and compared with the prior art, the insole and the sole are not fixed through bonding glue, so that a large amount of pungent smell generated in the finished shoe is avoided;

3. when the insole of this application was put into semi-manufactured goods shoes, the card strip of insole bottom surface can cooperate to install in the inside of trough, and the sand grip card on the card strip both sides face is gone into to the arc recess in to support tightly under the effect in insole, can play waterproof effect to the suture position department of hiding the inside of trough, further promote the waterproof nature of finished goods shoes.

Drawings

FIG. 1 is a schematic view of the structure of a sole of a shoe of the present invention in which a sole and a vamp are stitched without adhesive;

FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view of a midsole of a non-adhesive shoe sewn inside a sole and an upper according to the present invention;

fig. 4 is a sectional view taken along line B-B of fig. 3.

Detailed Description

The invention will now be described in further detail with reference to specific examples, which are given for the purpose of illustration and are not intended to limit the scope of the invention.

As shown in fig. 1-4, the invention can be implemented as follows, a sole and upper inner-stitched non-adhesive rubber shoe comprises an upper, a sole 1 and a midsole 2, wherein the sole 1 comprises an outsole 3 and an inner edge 4 which are connected with each other, a wire-hiding groove 5 is formed between the outsole 3 and the inner edge 4 along the outer periphery of the sole 1, a rectangular wire-routing groove 6 is formed between the outsole 3 and the inner edge 4 along the inner side of the sole 1 corresponding to the wire-hiding groove 5, the height of the wire-routing groove 6 is greater than that of the wire-hiding groove 5, and arc-shaped grooves 7 are formed on both sides of the bottom of the wire-routing groove 6 along the profile thereof, that is, one side wall of each arc-shaped groove 7 is flush with the bottom surface of the wire-routing groove 6; the edge of the upper surface is placed in the thread hiding groove 5, and a suture thread passes back and forth between the thread running groove 6 and the thread hiding groove 5 and is sewn into the thread hiding groove 5; be equipped with on insole 2's the bottom surface with interior along 4 opening assorted archs, bellied appearance is the same with interior opening shape along 4, and bellied thickness equals interior along 4 open-ended degree of depth, guarantees when bellied terminal surface contacts with sole 1's internal surface, insole 2's the surface just in time and interior along 4 upper surface contact, bellied outer fringe be equipped with trough 6 matched with card strip 8, the both sides of card strip 8 all be equipped with arc recess 7 assorted sand grip 9, when card strip 8 fills in to during the inside of trough 6, form between sand grip 9 and the arc recess 7 and closely assemble, provide good leakproofness for the suture of hiding 5 inside in the trough, make the finished product shoes have good waterproof, dirt-proof effect. As preferred, sole 1 adopts the PUC material to make, insole 2 adopts the silica gel material to make, and PUC material and silica gel material are environmental protection material, and the silica gel material has good elasticity moreover and can increase the comfort level of human foot, and insole 2 that the silica gel material made also has better laminating nature with the trough 6 on the sole 1 simultaneously to guarantee the waterproof performance of finished product shoes.

The terminal surface of card strip 8 is seted up jaggedly along its profile, is equipped with the elastic component between the intraoral double-phase opposite side of breach, the elastic component is established to the elastic strip 10 of arc form, and the both ends of elastic strip 10 link to each other and the top of elastic strip 10 is outwards outstanding with the double-phase opposite side of breach respectively the opening terminal surface of breach, when card strip 8 is plugged in to the inside of trough 6, the top of elastic strip 10 is contradicted with the bottom of trough 6, elastic strip 10 takes place deformation make the sand grip 9 of breach both sides can with arc recess 7 supports tightly to guarantee the suture department of trough 6 bottoms and the inside leakproofness of finished product shoes, reach waterproof effect. Preferably, an elastic rubber ring can be placed in the notch, the top edge of the elastic rubber ring protrudes out of the opening surface of the notch, and the deformation of the elastic rubber ring can also promote the convex strips 9 on two sides of the clamping strip 8 to be tightly clamped into the arc-shaped groove 7.

The bottom surface of the protrusion is designed to be an inner concave cambered surface 11 which is gradually inclined from the periphery to the center of the protrusion, and the inner concave cambered surface 11 is more beneficial to the smooth clamping of the clamping strip 8 at the edge of the protrusion into the wiring groove 6.

The root position of the outsole 3 is provided with a groove 12, the groove 12 can be used for connecting a heel, and preferably, the heel and the sole 1 are fixedly connected through spikes.

Outsole 3 is equipped with evenly distributed's a plurality of anti-skidding line 13 towards one side surface of interior edge 4, and anti-skidding line 13 is located the width direction of sole 1, and anti-skidding line 13 can prevent that insole 2 from sliding for sole 1, promotes the shoes of wearing of finished product shoes and experiences.

The edge of the outsole 3 is slightly larger than the edge of the inner edge 4 outwards integrally, so that after the upper and the sole 1 are sewn and connected, the outline of the upper is flush with the edge of the outsole 3 or slightly smaller than the edge of the outsole 3, and the integral attractiveness of the finished shoe is guaranteed.

Hide the tip of the interior 4 inner walls of edge of 5 upsides of wire casing and be equipped with first arc chamfer, hide the bottom both sides of wire casing 5 and all be equipped with second arc chamfer, the setting up of arc chamfer guarantees that group face has better outward appearance pleasing to the eye degree after being connected with sole 1, promotes the outward appearance competitiveness of finished product shoes.

The invention also discloses a manufacturing process of the shoe with the sole and the upper surface sewed with the non-adhesive rubber, and the specific implementation scheme of the manufacturing process comprises the following steps:

(1) The method comprises the following steps that a PUC material is adopted to injection mold a sole, a wire hiding groove and a wire routing groove are respectively formed on the outer side and the inner side of the sole, and a groove is formed on the bottom surface of the sole; the insole is formed by injection molding of a silica gel material, and all structures on the insole can be integrally formed by injection molding; cutting the leather or cloth surface into required upper surfaces by a cutting machine;

(2) The edge of the upper is placed in the thread hiding groove of the sole, and a sewing thread passes through the thread running groove and the thread hiding groove back and forth through a special sewing machine and is sewn into the thread hiding groove; in the sewing process, the back surface of the upper surface faces outwards, and the upper surface is turned over after the upper surface and the middle sole are sewn, so that the front surface of the upper surface of the finished shoe is formed;

(3) Assembling the insole into the semi-finished shoe, placing a foot mold on the insole, and heating and shaping the foot mold after the upper surface coats the foot mold; the heating and shaping comprises baking, and cooling and shaping are carried out after baking;

(4) The heel is placed in the groove, the heel and the sole are connected and fixed through the spikes, and the heel is provided by purchasing semi-finished products.

Those skilled in the art can easily conceive of changes and substitutions within the technical scope of the present disclosure, and all such changes and substitutions are intended to be included within the scope of the present disclosure. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A pair of non-adhesive shoes with a sole and a vamp sewn therein is characterized by comprising a vamp, a sole and a midsole, wherein the sole comprises an outer sole and an inner edge which are connected with each other; the edge of the upper surface is placed in the thread hiding groove, and the thread passes through the thread running groove and the thread hiding groove back and forth and is sewn into the thread hiding groove; be equipped with on the bottom surface of insole with interior along opening assorted arch, bellied outer fringe be equipped with trough matched with card strip, the both sides of card strip all be equipped with arc recess assorted sand grip, the terminal surface of card strip is seted up jaggedly along its profile, is equipped with the elastic component between the intraoral double-phase contralateral surface of breach, the elastic component is established to the elastic strip of arc form, and the both ends of elastic strip link to each other with the double-phase contralateral surface of breach respectively and the top of elastic strip is outwards outstanding the opening end face of breach, the root position department of outsole sets up flutedly, is provided with the heel in the recess, carries out fixed connection through the spike between heel and the sole.

2. The footwear of claim 1, wherein the bottom surface of the protrusion is formed as a concave arc surface gradually inclined from the periphery to the center thereof.

3. The shoe of claim 1, wherein the outsole has a plurality of non-slip threads uniformly distributed on the surface of the inner side of the outsole.

4. The shoe of claim 1, wherein the outer bottom edge is generally slightly larger outward than the inner edge.

5. The shoes with no adhesive tape sewn in the soles and the uppers according to claim 1, characterized in that the end part of the inner wall of the inner edge of the upper side of the wire hiding groove is provided with a first arc-shaped chamfer, and both sides of the bottom of the wire hiding groove are provided with second arc-shaped chamfers.

6. The shoe with stitched non-adhesive soles and uppers according to claim 1, wherein the sole is made of PUC material; the middle sole is made of silica gel materials.