Three-dimensional offset printing vamp
By using a single-layer three-dimensional offset printing sheet and injection molding filling technology on the upper, a stable three-dimensional pattern is formed, which solves the cracking problem caused by multi-layer painting and improves the durability of the upper.
Patent Information
- Application Number
- CN202423088784.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-14
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-14
AI Technical Summary
Existing three-dimensional patterned uppers are formed by multi-layer painting, which results in structural instability and is prone to cracking under frequent deformation.
A single-layer three-dimensional offset printing sheet is used to form several raised structures on the upper through injection molding and filling. A stable three-dimensional pattern is formed by combining a positioning adhesive layer and a filling tube.
Improves the structural stability of the three-dimensional pattern, prevents cracking, and enhances the durability of the upper.
Smart Images

Figure CN223452867U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a three -dimensional rubber printing vamp, belong to vamp field. BACKGROUND
[0002] The vamp is a part of shoes, it refers to the upper structure of wrapping the instep and toe. The vamp is usually made of leather, synthetic material, fabric (such as nylon or cotton) or other suitable material. It is the part that directly influences the appearance and breathability of shoes, and is very important for ensuring the comfort and fit of shoes. The vamp with three-dimensional pattern of prior art adopts the way of multi-layer brushing, so that the printing layer of the outer wall of the vamp has three-dimensional sense, but the multi-layer brushing structure is relatively unstable, and is easy to crack under the frequent vamp deformation. SUMMARY
[0003] In view of the deficiencies of the prior art, the utility model aims at providing a three-dimensional rubber printing vamp to solve the problem that the vamp with three-dimensional pattern of prior art adopts the way of multi-layer brushing, so that the printing layer of the outer wall of the vamp has three-dimensional sense, but the multi-layer brushing structure is relatively unstable, and is easy to crack under the frequent vamp deformation.
[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a preparation process of three-dimensional rubber printing vamp, the preparation process comprises the following steps:
[0005] Step S1, selecting an integrally formed vamp bottom layer;
[0006] Step S2, brushing a positioning glue layer on the vamp bottom layer;
[0007] Step S3, making a connecting slot and a plurality of plug-in slots on the bottom surface of the connecting slot at any one or more places on the positioning glue layer through a hot-pressing forming device;
[0008] Step S4, inserting a filling pipe into the corresponding plug-in slot by manual or machine, the filling pipe top opening has a check valve;
[0009] Step S5, punching an injection channel connected with the filling pipe on the vamp bottom surface through a punching device;
[0010] Step S6, brushing a filling three-dimensional rubber printing piece on the connecting slot to form a semi-finished three-dimensional rubber printing vamp, the filling pipe top is embedded in the three-dimensional rubber printing piece bottom, and the three-dimensional rubber printing piece top interlayer is provided with a filling chamber corresponding to the filling pipe;
[0011] Step S7, using a dedicated stereoscopic injection mold, the stereoscopic injection mold includes the upper mold plate, the lower mold plate, the hinge seat, the upper mold plate is located in the lower mold plate upper end, and both are hinged by the hinge seat, the top surface of the lower mold plate is provided with the first vamp positioning groove, the bottom surface of the first vamp positioning groove is provided with the liquid injection joint corresponding to the liquid injection channel, the outer side of the liquid injection joint is provided with the sealing ring, the bottom surface of the upper mold plate is provided with the second vamp positioning groove corresponding to the first vamp positioning groove, the bottom surface of the second vamp positioning groove is provided with the positioning groove corresponding to the filling chamber, the semi-finished product stereoscopic gum printing vamp of step S is placed between the upper mold plate and the lower mold plate, and the first vamp positioning groove and the second vamp positioning groove are positioned.
[0012] Step S8, the output end of the external injection molding equipment is connected to the liquid injection joint, the liquid plastic enters the liquid injection channel through the liquid injection joint, finally enters the filling chamber through the filling pipe, the filling chamber is expanded under pressure, the stereoscopic gum printing piece is ejected from the protruding structure, the protruding structure is shaped through the positioning groove, and after cooling, a plurality of protruding structures form a stereoscopic pattern.
[0013] Further, the stereoscopic gum printing piece is connected with the positioning glue layer by hot pressing or gluing.
[0014] Further, the filling pipe is made of elastic plastic material.
[0015] Further, the check valve is specifically a plurality of staggered plastic sheet structures.
[0016] Further, the bottom surface of the stereoscopic gum printing piece is provided with a filling hole corresponding to the filling pipe.
[0017] Further, the vamp bottom layer is made of one of animal skin, latex and composite leather.
[0018] A stereoscopic gum printing vamp is prepared by the preparation process of the stereoscopic gum printing vamp, the vamp includes a vamp body and a stereoscopic gum printing area, the stereoscopic gum printing area is arranged at any one or more places on the surface of the stereoscopic gum printing area, the vamp body includes a vamp bottom layer and a positioning glue layer, the positioning glue layer is provided with a connecting slot at any one or more places, the bottom surface of the connecting slot is provided with a plurality of insertion slots, the filling pipe is vertically arranged on the insertion slot, the filling pipe is provided with a check valve in the opening at the top, the bottom surface of the vamp bottom layer is provided with a liquid injection channel connected with the filling pipe, the stereoscopic gum printing area includes a stereoscopic gum printing piece connected with the connecting slot, the bottom surface of the stereoscopic gum printing piece is nested with the filling pipe, the stereoscopic gum printing piece is provided with a filling chamber connected with the filling pipe in the top interlayer, the filling chamber is filled with injection material, the surface of the stereoscopic gum printing piece is deformed to form corresponding protruding structures, and a plurality of protruding structures form a stereoscopic pattern.
[0019] The utility model discloses a beneficial effect is: on the vamp adopts single -layer three -dimensional rubber stamp piece, through the mode of injection filling, makes three -dimensional rubber stamp piece deformation, and forms a plurality of convex structures of the three -dimensional pattern on its surface, effectively improves the structure stability of three -dimensional pattern, prevents the cracking. BRIEF DESCRIPTION OF DRAWINGS
[0020] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non - limiting embodiments with reference to the accompanying drawings:
[0021] Figure 1 For the structure schematic diagram of a three -dimensional rubber stamp vamp of the utility model;
[0022] Figure 2 For Figure 1 The partial section structure schematic diagram of;
[0023] Figure 3 For the structure schematic diagram of the special three -dimensional injection mold;
[0024] Figure 4 For the structure schematic diagram of lower mold plate;
[0025] Figure 5 For the structure schematic diagram of upper mold plate. DETAILED DESCRIPTION
[0026] In order to make the technical means, creative features, achieve the purpose and effect of the utility model easy to understand, the following specific embodiment is further described.
[0027] Embodiment 1
[0028] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 , the utility model provides a kind of preparation process technical scheme of three -dimensional rubber stamp vamp: the preparation process includes the following steps:
[0029] Step S1, selecting an integrally-formed vamp bottom layer 11;
[0030] Step S2, vamp bottom layer 11 is brushed positioning adhesive layer 12;
[0031] Step S3, positioning adhesive layer 12 is arbitrarily one or more by hot-pressing shaping equipment and is made into connecting groove 13 and the plurality of insertion slot 14 of connecting groove 13 bottom surface;
[0032] Step S4, fill pipe 15 is inserted into corresponding insertion slot 14 by artificial or machine table, and the top opening of fill pipe 15 has check valve 17;
[0033] Step S5, punching a liquid injection channel 16 on the bottom surface of the upper bottom layer 11 by a punching device, which is connected with the filling pipe 15;
[0034] Step S6, applying a filling relief 21 on the connecting notch 13 to form a semi-finished relief upper, the top of the filling pipe 15 is embedded in the bottom of the filling relief 21, and a filling chamber 22 corresponding to the filling pipe 15 is arranged in the top layer of the filling relief 21;
[0035] Step S7, using a special relief injection mold, which includes an upper mold plate 31, a lower mold plate 32, and a hinge seat 33, the upper mold plate 31 is located on the upper end of the lower mold plate 32, and the two are hingedly connected through the hinge seat 33, the top surface of the lower mold plate 32 is provided with a first upper positioning groove 34, the bottom surface of the first upper positioning groove 34 is provided with a liquid injection connector 35 corresponding to the liquid injection channel 16, the outer side of the liquid injection connector 35 is provided with a sealing ring 36, the bottom surface of the upper mold plate 31 is provided with a second upper positioning groove 37 corresponding to the first upper positioning groove 34, and the bottom surface of the second upper positioning groove 37 is provided with a positioning groove 38 corresponding to the filling chamber 22, the semi-finished relief upper of step S6 is placed between the upper mold plate 31 and the lower mold plate 32, and is positioned by the first upper positioning groove 34 and the second upper positioning groove 37;
[0036] Step S7, connecting the output end of the external injection device to the liquid injection connector 35, and liquid plastic enters the liquid injection channel 16 through the liquid injection connector 35, finally enters the filling chamber 22 through the filling pipe 15, the filling chamber 22 is expanded under pressure, the relief structure 23 is ejected on the top of the relief 21, the relief structure 23 is shaped through the positioning groove 38, and after cooling, a plurality of relief structures 23 form a relief pattern.
[0037] In order to improve the firmness of the connection, the relief 21 is connected with the positioning glue layer 12 by hot pressing.
[0038] In order to improve the comfort of wearing, the filling pipe 15 is made of elastic plastic material.
[0039] In order to prevent the backflow of injected plastic, the check valve 17 is specifically a plurality of staggered plastic sheet structures.
[0040] In order to position the connection, the bottom surface of the relief 21 is provided with a filling hole corresponding to the filling pipe 15.
[0041] In order to improve the comfort of wearing, the upper bottom layer 11 is made of one of animal skin, latex, and composite leather.
[0042] A three-dimensional offset printing vamp is prepared by a preparation process of the three-dimensional offset printing vamp, the vamp includes a vamp body 1, a three-dimensional offset printing area 2, the three-dimensional offset printing area 2 is arranged at any one or more positions on the surface of the three-dimensional offset printing area 2, the vamp body 1 includes a bottom layer 11 and a positioning adhesive layer 12, the positioning adhesive layer 12 is provided with a connecting slot 13 at any one or more positions, the bottom surface of the connecting slot 13 is provided with a plurality of plug-in grooves 14, the plug-in grooves 14 are vertically provided with a filling pipe 15, the filling pipe 15 is provided with a check valve 17 in the top opening, the bottom surface of the vamp bottom layer 11 is provided with a liquid injection channel 16 connected with the filling pipe 15, the three-dimensional offset printing area 2 includes a three-dimensional offset printing piece 21 connected with the connecting slot 13, the bottom surface of the three-dimensional offset printing piece 21 is nested with the filling pipe 15, the top clamping layer of the three-dimensional offset printing piece 21 is provided with a filling cavity 22 connected with the filling pipe 15, the filling cavity 22 is filled with injection molding material, so that the surface of the three-dimensional offset printing piece 21 is deformed to form corresponding convex structures 23, and a plurality of convex structures 23 form a three-dimensional pattern.
[0043] Embodiment 2
[0044] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 The preparation process of the three-dimensional offset printing vamp includes the following steps:
[0045] Step S1, selecting an integrally formed vamp bottom layer 11;
[0046] Step S2, brushing a positioning adhesive layer 12 on the vamp bottom layer 11;
[0047] Step S3, using a hot pressing forming device to form a connecting slot 13 and a plurality of plug-in grooves 14 on the bottom surface of the connecting slot 13 at any one or more positions on the positioning adhesive layer 12;
[0048] Step S4, inserting a filling pipe 15 into the corresponding plug-in groove 14 by manual or machine, and the filling pipe 15 is provided with a check valve 17 in the top opening;
[0049] Step S5, punching a liquid injection channel 16 connected with the filling pipe 15 on the bottom surface of the vamp bottom layer 11 by a punching device;
[0050] Step S6, brushing a three-dimensional offset printing piece 21 on the connecting slot 13 to form a semi-finished three-dimensional offset printing vamp, the top of the filling pipe 15 is embedded into the bottom of the three-dimensional offset printing piece 21, and the top clamping layer of the three-dimensional offset printing piece 21 is provided with a filling cavity 22 corresponding to the filling pipe 15;
[0051] Step S7, using a dedicated stereoscopic injection mold, the stereoscopic injection mold includes the upper mold plate 31, the lower mold plate 32, the hinge seat 33, the upper mold plate 31 is located at the lower end of the lower mold plate 32, and the two are hinged by the hinge seat 33, the top surface of the lower mold plate 32 is provided with a first vamp positioning groove 34, the bottom surface of the first vamp positioning groove 34 is provided with a liquid injection connector 35 corresponding to the liquid injection channel 16, the outer side of the liquid injection connector 35 is provided with a sealing ring 36, the bottom surface of the upper mold plate 31 is provided with a second vamp positioning groove 37 corresponding to the first vamp positioning groove 34, the bottom surface of the second vamp positioning groove 37 is provided with a positioning groove 38 corresponding to the filling chamber 22, the semi-finished product stereoscopic gum printing vamp of step S6 is placed between the upper mold plate 31 and the lower mold plate 32, and the first vamp positioning groove 34 and the second vamp positioning groove 37 are positioned and wrapped;
[0052] Step S7, the output end of the external injection molding equipment is connected to the liquid injection connector 35, the liquid plastic enters the liquid injection channel 16 through the liquid injection connector 35, finally enters the filling chamber 22 through the filling pipe 15, the filling chamber 22 is expanded under pressure, the stereoscopic gum printing piece 21 is ejected from the protruding structure 23, the protruding structure 23 is shaped by the positioning groove 38, and after cooling, a plurality of protruding structures 23 form a stereoscopic pattern.
[0053] In order to improve the firmness of the connection, the stereoscopic gum printing piece 21 is connected to the positioning adhesive layer 12 by adhesion.
[0054] In order to improve the comfort of wearing, the filling pipe 15 is made of elastic plastic material.
[0055] In order to prevent the backflow of the injected plastic, the check valve 17 is specifically a plurality of staggered plastic sheet structures.
[0056] In order to connect and position, the bottom surface of the stereoscopic gum printing piece 21 is provided with a filling hole corresponding to the filling pipe 15.
[0057] In order to improve the comfort of wearing, the vamp bottom layer 11 is made of one of animal skin, latex and composite leather.
[0058] A kind of three-dimensional offset shoe upper, the preparation process of the three-dimensional offset shoe upper is made, the shoe upper includes shoe upper body 1, three-dimensional offset area 2, the three-dimensional offset area 2 is located at three-dimensional offset area 2 surface anywhere or multiple places, the shoe upper body 1 includes the shoe upper bottom layer 11 of bottom layer and the positioning glue layer 12 of surface layer, the positioning glue layer 12 anywhere or multiple places is provided with connecting slot 13, the bottom surface of connecting slot 13 is provided with several plug-in slots 14, the plug-in slot 14 is vertically provided with filling pipe 15, the filling pipe 15 top opening has check valve 17, the bottom surface of shoe upper bottom layer 11 is provided with with filling pipe 15 The liquid injection channel 16 of connection, the three-dimensional offset area 2 includes the three-dimensional offset piece 21 of connection with connecting slot 13, the bottom surface of three-dimensional offset piece 21 is nested with filling pipe 15, the top interlayer of three-dimensional offset piece 21 is provided with filling cavity 22 with filling pipe 15 The connection of, the filling cavity 22 is filled with injection material, so that the surface of three-dimensional offset piece 21 is deformed to form corresponding convex structure 23, several convex structures 23 form three-dimensional pattern.
[0059] The basic principle and main features of the present application and the advantages of the present application are shown and described above, for those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.
[0060] In addition, it should be understood that, although the present application is described in the form of embodiments, not every embodiment contains only one independent technical solution, the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. A three-dimensional offset shoe upper, characterized in that, The upper includes an upper body (1), a three-dimensional offset area (2), the three-dimensional offset area (2) is arranged at any one or more places on the surface of the three-dimensional offset area (2), the upper body (1) includes a bottom layer of the upper bottom layer (11) and a surface layer of the positioning glue layer (12), any one or more places on the positioning glue layer (12) is provided with a connecting notch (13), the bottom surface of the connecting notch (13) is provided with a plurality of plug-in slots (14), the plug-in slot (14) is vertically provided with a filling pipe (15), the filling pipe (15) has a check valve (17) in the opening at the top, the bottom surface of the upper bottom layer (11) is provided with a liquid injection channel (16) connected with the filling pipe (15), the three-dimensional offset area (2) includes a three-dimensional offset piece (21) connected with the connecting notch (13), the bottom surface of the three-dimensional offset piece (21) is nested with the filling pipe (15), the top interlayer of the three-dimensional offset piece (21) is provided with a filling cavity (22) connected with the filling pipe (15), the filling cavity (22) is filled with injection molding material, so that the surface of the three-dimensional offset piece (21) is deformed to form corresponding convex structures (23), and a plurality of convex structures (23) form a three-dimensional pattern.
2. A three-dimensional flexographic shoe upper according to claim 1, wherein: The three-dimensional offset piece (21) is connected with the positioning glue layer (12) by hot pressing or gluing.
3. A three-dimensional flexographic shoe upper according to claim 1, wherein: The filling pipe (15) is made of elastic plastic material.
4. A three-dimensional flexographic shoe upper according to claim 1, wherein: The check valve (17) is specifically a plurality of staggered plastic sheet structures.
5. A three-dimensional flexographic shoe upper according to claim 1, wherein: The bottom surface of the three-dimensional offset piece (21) is provided with a filling hole corresponding to the filling pipe (15).
6. A three-dimensional flexographic shoe upper according to claim 1, wherein: The upper bottom layer (11) is made of one of animal skin, latex and composite leather.