A processing method for reinforcing the adhesion between the upper and the sole

Abstract

The application discloses a processing method for reinforcing adhesion between an upper and a sole, and has the characteristics that the processing method comprises the following steps: S1, a PUC material is used to injection mold the sole, and a convex strip is arranged on the outer edge of the sole; a silica gel material is used to injection mold the midsole, and a wiring groove is arranged on the edge of the midsole corresponding to the convex block of the sole; S2, the bottom of the upper is arranged with an inwardly extending wing span, and the wing span extends inwardly to the inner side of the sole; S3, the edge of the upper is attached to the midsole, and the edge of the upper is sewn into the wiring groove of the midsole by a special sealing machine; S4, glue is brushed on the edge of the midsole to bond the upper and the side of the midsole together; and S5, the bottom surface of the midsole is bonded to the top surface of the sole by glue. In the application, the fixing mode of the upper and the sole is optimized, the upper is fixed to the midsole by sewing, the upper and the sole are simultaneously fixed by bonding the midsole to the sole, and the adhesion between the upper and the sole is reinforced.

Description

TECHNICAL FIELD

[0001] The present application relates to the shoe manufacturing technical field, specifically to a processing method for enhancing the adhesion between the upper and the outsole. BACKGROUND

[0002] With the development of market economy, the shoe production process is gradually moving towards modern production. The improvement of people's living standards and the improvement of living quality will effectively promote the rapid development of leather shoe industry and fundamentally speed up the change of shoe design and production method.

[0003] The existing fixing between the outsole and the upper is mostly fixed by sewing, and this fixing method is easy to open after the sewing line wears out. Directly using adhesive to fix the side surface is also easy to cause the adhesive to wear out during walking, so it is necessary to improve the fixing method between the upper and the outsole to complete the production process of the shoe product and enhance the adhesion between the upper and the outsole.

[0004] To this end, the applicant proposes a processing method for enhancing the adhesion between the upper and the outsole. SUMMARY

[0005] The purpose of the present application is to provide a processing method for enhancing the adhesion between the upper and the outsole, aiming at improving the problem of poor adhesion between the existing upper and the outsole.

[0006] The present application is implemented as follows:

[0007] A processing method for enhancing the adhesion between the upper and the outsole, the processing method comprising the following steps:

[0008] S1, using PUC material to injection mold the outsole, a convex strip is arranged inside the outer edge of the outsole; using silica gel material to injection mold the midsole, and a wiring groove is arranged at the corresponding edge of the midsole corresponding to the convex block of the outsole; using a cutting machine to cut the leather or cloth into the required upper;

[0009] S2, the bottom of the upper is provided with an inwardly extending wing span, and the wing span extends inwardly to the inner side of the outsole;

[0010] S3, the edge of the upper is attached to the midsole, and the edge of the upper is sewn into the wiring groove of the midsole by a special sealing machine;

[0011] S4, the edge of the midsole is brushed with adhesive to bond the contact position of the side surface of the upper and the midsole together;

[0012] S5, the bottom surface of the midsole is bonded to the top surface of the outsole by glue, i.e. the combination of the upper and the outsole is completed.

[0013] Further, a downward groove is arranged at the inner side of the convex strip of the outsole in step one, and a downward convex block is arranged at the corresponding position of the midsole and the groove, and the size of the groove is slightly larger than that of the convex block.

[0014] Further, the edge size of the large sole is larger than that of the middle sole, and the outer circle of the size is upwardly arc-shaped to wrap and paste the middle sole after the upper.

[0015] Further, the contact surface of the middle sole and the large sole is provided with a recess and a protrusion matched with each other, and the recess can accommodate glue.

[0016] Further, the bottom surface of the large sole is provided or pasted with an anti-skid surface for anti-skid.

[0017] The application further discloses a sole manufactured by the above-mentioned steps.

[0018] A sole for reinforcing the adhesion between an upper and a large sole, comprising a large sole and a middle sole, the large sole and the middle sole being fixed by adhesive;

[0019] The middle sole is provided with a wiring groove recessed inward on the outer edge of the middle sole, and the inner side of the wiring groove is further provided with a pressing block protruding downward, and the side of the pressing block away from the wiring groove is provided with a mesa recessed inward.

[0020] The large sole is provided with an arc-shaped protruding strip on the side corresponding to the wiring groove of the middle sole, and the arc-shaped protruding strip corresponds to the wiring groove, and the pressing block of the middle sole is provided with a receiving groove corresponding to the pressing block.

[0021] Further, the pressing block and the receiving groove are used for fixing the inwardly extended wing span of the upper.

[0022] Further, the bottom surface of the large sole is provided with an anti-skid surface layer.

[0023] Further, the outer edge of the large sole is slightly larger than the outer edge of the middle sole, and the outwardly extended part of the large sole is provided with an upwardly turned edge structure.

[0024] Compared with the prior art, the application has the following beneficial effects:

[0025] In the application, the fixing method of the large sole and the upper is optimized, the upper is fixed to the middle sole by sewing, and the upper is fixed to the large sole by adhesion between the large sole and the middle sole, so that the adhesion between the upper and the large sole is reinforced, the edge of the large sole can wrap the upper, and the use effect and the appearance are not affected by the disengagement of the connection in the use process, the fixing between the upper and the large sole is more convenient and accurate, the processing operation is facilitated, the processing process is optimized, and the defective rate is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0026] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the midsole structure of the shoe sole of the present invention;

[0028] Figure 2 This is a schematic diagram of the outsole structure of the shoe sole of the present invention;

[0029] Figure 3 This is a schematic diagram of the adhesive state of the shoe sole as shown in this invention;

[0030] Figure 4 yes Figure 3 A partial structural diagram at point A.

[0031] In the picture: 1. Midsole; 11. Pressure block; 12. Cable routing channel; 2. Outsole; 21. Storage groove; 22. Curved convex strip; 3. Anti-slip surface layer. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to represent selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Please refer to the details. Figure 1 , Figure 2As shown, a kind of reinforcing the adhesion of shoe sole of upper and sole, including sole 2 and midsole 1, the adhesion between sole 2 and midsole 1 by adhesive fixed.In the use process, GCR glue or PU glue can be used, the bottom surface of sole 2 is provided with anti-skid surface layer 3, anti-skid texture is set on the bottom of anti-skid layer 3, which can reduce the slip during wearing to cause accident, the outer edge of sole 2 is slightly larger than the outer edge of midsole 1, and the outwardly extending part of sole is set as upward flanging structure, by setting the upward flanging structure, the side edge of upper can be wrapped when midsole and upper are sewn and bonded with midsole and upper, so that the connection is strengthened and bonded, and the edge of upper is protected to reduce wear during use.

[0034] Please refer to Figure 3 、 Figure 4 As shown, the outer edge of midsole 1 is provided with inwardly recessed wiring slot 12, and the inner side of wiring slot 12 is further provided with downwardly protruding pressing block 11, and the side of pressing block 11 away from wiring slot 12 is provided with inwardly retracted mesa; the side corresponding to wiring slot 12 of sole 2 and midsole 1 is provided with arc-shaped convex strip 22, and arc-shaped convex strip 22 corresponds to wiring slot 12, the corresponding place of pressing block 11 of sole 2 and midsole 1 is provided with receiving groove 21, and pressing block 11 and receiving groove 21 are used to fix the inwardly extending wing span of upper, in the processing process, the connection of arc-shaped convex strip 22 and wiring slot 12 is that the cavity thereof is filled with glue, which can ensure tight bonding, and the top end of arc-shaped convex strip 22 corresponds to the position of sewing line, and the sewing line is fixed by pressing arc-shaped convex strip 22, to avoid glue from penetrating into the sewing line hole and overflowing, and pressing block 11 and receiving groove 21 are matched, so that the wing span of upper can be deeply inserted between the two during use to be fixed by pressing together, and the wing span can also be deeply inserted to the position corresponding to the retracted mesa to be fixed by auxiliary fixing through sewing line, which is especially suitable for being used in the structure of upper of sandal or other upper needing to strengthen connection.

[0035] A processing method for reinforcing the adhesion of upper and sole, the processing method comprising the following steps:

[0036] S1, PUC material is used to injection mold sole, and convex strip is left in the outer edge of sole; silicone material is used to injection mold midsole, and wiring slot is provided at the edge corresponding to convex block of midsole and sole; leather or cloth is cut into required upper by cutting machine, downward recess is provided at the inner side of convex strip of sole, and convex block is provided downwardly protruding at the corresponding place of midsole and recess, and the size of recess is slightly larger than that of convex block, the size of edge of sole is larger than that of midsole, and the outer circle of larger size is arc-shaped to wrap midsole after bonding with upper.

[0037] S2, the bottom of upper is left with inwardly extending wing span, and the wing span extends inwardly to the inner side of sole;

[0038] S3, the edge of the upper is attached to the midsole, and the edge of the upper is sewn into the wire slot of the midsole by a special sealing machine;

[0039] S4, the edge of the midsole is brushed with adhesive to bond the upper and the side of the midsole together;

[0040] S5, the bottom surface of the midsole is bonded to the top surface of the outsole by glue, that is, the combination of the upper and the outsole is completed, and the contact surface of the midsole and the outsole is provided with recesses and protrusions matched with each other, and the recesses can accommodate the glue;

[0041] The bottom surface of the outsole is provided or pasted with a non-slip surface for preventing slipping.

[0042] A shoe sole prepared by the process of the upper and the midsole structure.

[0043] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Various modifications and changes can be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A method of reinforcing the adhesion of an upper to a sole, characterized in that: The processing method comprises the following steps: S1, using PUC material to injection mold the outsole, a convex strip is arranged inside the outer edge of the outsole, and a downward groove is arranged inside the convex strip; using silica gel material to injection mold the midsole, a wiring groove is arranged at the edge of the midsole corresponding to the convex strip of the outsole, and a convex block protruding downward is arranged at the corresponding position of the groove of the outsole and the midsole, the size of the groove is slightly larger than that of the convex block; the edge size of the outsole is larger than that of the midsole, and the outer circle of the larger size is arc-shaped upward; the leather or cloth is cut into the required upper by a cutting machine; S2, the bottom of the upper is arranged with a wing span extending inward, and the wing span extends inward to the inner side of the sole; S3, the edge of the upper is attached to the midsole, and the edge of the upper is sewn into the wiring groove of the midsole by a special sealing machine; S4, the edge of the midsole is brushed with adhesive to bond the contact position of the upper and the side surface of the midsole; S5, the bottom surface of the midsole is bonded to the top surface of the outsole by glue, that is, the combination of the upper and the outsole is completed.

2. The processing method for strengthening the adhesion between the upper and the outsole according to claim 1, characterized in that, The contact surface of the midsole and the outsole is provided with recesses and protrusions matched with each other, and the recesses can accommodate the glue.

3. The method of claim 1, wherein the method further comprises the step of applying a primer to the upper and the outsole before the step of applying the adhesive. The bottom surface of the outsole is provided with or pasted with a non-slip surface for preventing slipping. ​ 4. A shoe sole, characterized by The sole is prepared by the processing method for enhancing the bonding degree of the upper and the outsole according to any one of claims 1-3.

5. A shoe sole for reinforcing the adhesion of the upper to the sole, characterized in that, The sole comprises an outsole and a midsole, and the outsole and the midsole are fixed by adhesive; The midsole is provided with a wiring groove recessed inward at the outer edge of the midsole, and the inner side of the wiring groove is further provided with a pressing block protruding downward, and the side of the pressing block away from the wiring groove is provided with a table surface that contracts inward; The outsole is provided with an arc-shaped convex strip at the side corresponding to the wiring groove of the midsole, and the arc-shaped convex strip corresponds to the wiring groove, and the midsole is provided with a receiving groove at the position corresponding to the pressing block; The pressing block and the receiving groove are used to fix the wing span of the upper extending inward; The outer edge of the outsole is slightly larger than the outer edge of the midsole, and the outward extending part of the outsole is provided with an upward turning edge structure.

6. A sole according to claim 5, wherein The bottom surface of the outsole is provided with a non-slip surface layer.

Images