Processing technology for leather shoe production
By adopting the design-production-testing process and a combination of manual and machine technology in the production of leather shoes, the problem of uneven quality in traditional leather shoes is solved, high-quality and diversified leather shoes are achieved, and the market competitiveness and service life of the products are improved.
Patent Information
- Application Number
- CN202510474201.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2025-05-30
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Traditional leather shoes production processes have problems of inconsistent quality and poor quality in industrial production, which is difficult to meet the diversified market needs and promote the sustainable development of the shoemaking industry.
Using the design-production-testing process, we create three-dimensional models through market research and professional design software, accurately cut and sew leather, combined with a combination of manual and machine technology, hot pressing, adhesive and molding, and polishing, polishing and finishing.
It realizes high-quality, beautiful, comfortable and durable leather shoes production, meets the needs of different consumers, improves the market adaptability and competitiveness of the products, and extends the service life of leather shoes.
Smart Images
Figure CN120052647A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of leather shoe production and processing, and specifically provides a processing technology for leather shoe production. Background Art
[0002] The processing technology for leather shoe production is a complex and delicate process that combines traditional craftsmanship, modern technology, artistic aesthetics, and practical functions. From the careful selection of raw materials to the ingenuity of each production link, and then to the implementation of quality control and environmental protection concepts throughout the process, every pair of high-quality leather shoes embodies the painstaking efforts and wisdom of countless shoemakers. With the development of the times, the leather shoe production process will continue to innovate and improve, contributing to the sustainable development of the entire shoe-making industry while meeting the increasingly diverse needs of consumers.
[0003] With the advent of the Industrial Revolution, mechanized production has gradually been incorporated into the field of leather shoe manufacturing, greatly improving production efficiency. However, the essence of traditional manual craftsmanship still occupies an irreplaceable position in the production of high-end leather shoes. Industrial production has brought about problems such as uneven quality and poor quality. Summary of the Invention
[0004] In view of the deficiencies of the prior art, the present invention provides a processing technology for leather shoe production.
[0005] To achieve the above object, the present invention provides the following technical solution: A processing technology for leather shoe production, which is a process for making leather shoes through a design-manufacture-inspection process:
[0006] Design the pattern: According to the current fashion trends, consumer demands, and wearing requirements for different occasions, design corresponding patterns;
[0007] Sewing process: Sew each part of the leather shoe and combine them into a whole;
[0008] Finishing process: Trim and decorate each part of the leather shoe.
[0009] Preferably, the design of the pattern specifically includes market research and style design:
[0010] Study the current fashion trends, consumer demands, and wearing requirements for different occasions, draw sketches of various leather shoe styles, including different types such as formal leather shoes, casual leather shoes, and sports shoes, and at the same time consider details such as color matching and material combination;
[0011] After determining the preliminary design plan, use professional design software to create a 3D model to more intuitively display the appearance and structure of the leather shoe for further adjustment and optimization.
[0012] Preferably, the design of the pattern also includes pattern making:
[0013] According to the design model, select paper or plastic sheets and precisely cut out the templates for each component, including the vamp, the upper, the tongue, and the insole. During the template making process, strictly follow the design dimensions and ergonomic principles to ensure that the leather shoes are comfortable and fit to wear. At the same time, consider the stretchability of the leather and make appropriate allowances or contractions to the templates.
[0014] Preferably, after designing the templates, cut the leather material. Lay out the patterns on the leather according to the templates to rationally utilize the leather area and reduce waste generation.
[0015] Use a high-precision cutting machine to precisely cut the leather into each component according to the template shape. During the cutting process, pay attention to keeping the cutting tool sharp to ensure that the cutting edges are neat and smooth, and avoid the appearance of frayed edges or serrated edges, which may affect the subsequent sewing and the appearance quality of the leather shoes.
[0016] Preferably, the sewing process includes vamp sewing:
[0017] Use a professional sewing machine to sew according to different vamp designs and technological requirements, adopting a combination of hand sewing and machine sewing. For example, use hand sewing at key parts such as the toe and the shoe opening to increase the delicacy and firmness of the leather shoes.
[0018] During the sewing process, strictly control the density, length, and uniformity of the stitches. The stitch density is about 8 - 12 stitches per inch to ensure that the joints between the vamp components are tightly joined and flat, the stitch lines are neat and beautiful, and control the tension of the thread to avoid wrinkles on the vamp caused by too loose thread or deformation of the leather due to too tight thread.
[0019] Preferably, the sewing process also includes upper forming: Fit the sewn vamp components with the shoe lining, and use hot pressing and gluing methods to initially form the upper. Then use an upper forming mold and, through heating and pressing processes, make the upper form a three-dimensional shape that conforms to the human foot shape.
[0020] During the forming process, precisely control the temperature, pressure, and time parameters to ensure that the shape of the upper is accurate and beautiful, and does not cause damage to the leather.
[0021] Preferably, the sewing process also includes upper forming: The sewing process also includes sole sewing and assembly:
[0022] For leather shoes that use a stitching process to connect the sole and the upper, use a special sole sewing machine to tightly stitch the sole and the upper together. The stitches should penetrate multiple layers of materials of the sole and the upper to ensure a firm connection. During the stitching process, pay attention to aligning the sole and the upper to avoid skewing or unevenness.
[0023] For leather shoes made by the gluing process, first evenly apply special shoe glue to the joint area between the sole and the upper. Then accurately fit the sole and the upper together, and use a press to apply a certain pressure to fully cure the glue, ensuring the connection strength between the sole and the upper. During the gluing process, strictly control the amount of glue used, the evenness of application, and the curing time to avoid the phenomenon of delamination.
[0024] Preferably, the finishing process further includes sanding and trimming: Use tools such as sandpaper and grinding wheels to sand the edges and the surface of the sole of the leather shoes to remove the burrs, defects, and unevenness generated during the cutting and sewing processes, making the surface of the leather shoes smoother and flatter.
[0025] During the sanding process, pay attention to controlling the sanding strength and direction to avoid excessive sanding resulting in thinning of the leather or scratches.
[0026] Preferably, the finishing process further includes coloring and dyeing: According to the design requirements, use spray guns and brushes to color or dye the leather shoes.
[0027] First evenly spray or brush the base color on the surface of the leather shoes. After the base color dries, then perform special effect treatments such as pattern drawing and color gradient according to needs.
[0028] During the dyeing process, ensure that the color is uniform and bright, without the phenomena of running and mottling, and pay attention to the compatibility between the dye and the leather to avoid problems such as fading or color change.
[0029] Preferably, the finishing process further includes waxing and polishing: Apply an appropriate amount of shoe wax on the surface of the leather shoes, and then use a polishing machine or manual polishing tools to polish, making the surface of the leather shoes present a shiny and bright effect.
[0030] During the polishing process, pay attention to controlling the polishing speed and strength to avoid generating high temperature and causing damage to the leather.
[0031] Compared with the prior art, the present invention provides a processing technology for leather shoe production, having the following beneficial effects:
[0032] 1. This processing technology for leather shoe production pays attention to the fine operation and quality control of each link, and can produce high-quality, beautiful, comfortable and durable leather shoes to meet the needs of different consumers in the market. During the actual production process, enterprises can appropriately adjust and optimize the technology according to their own production scale, equipment conditions and product positioning.
[0033] 2. For the processing technology used in leather shoe production, during the sample design process, through in-depth market research and professional design processes, it is possible to accurately grasp fashion trends and consumer demands, and design leather shoes with novel styles that meet the wearing requirements for different occasions. By using software such as CAD to create 3D models, the design can be evaluated and optimized in multiple aspects before actual production, effectively reducing design errors and improving the market adaptability and competitiveness of the product.
[0034] 3. For the processing technology used in leather shoe production, during the sample making process, it follows the principles of ergonomics and conducts sizing or shrinking treatments in combination with the characteristics of leather to ensure that the produced leather shoes are extremely comfortable and fit well, reducing foot discomfort and fatigue caused by ill-fitting shoes and enhancing the wearing experience of consumers.
[0035] 4. For the processing technology used in leather shoe production, during the cutting process of leather materials, a reasonable nesting plan can not only improve the utilization rate of leather, reduce production costs, but also ensure the integrity and dimensional accuracy of the cut pieces. The use of a high-precision cutting machine makes the cutting edges neat and smooth, providing a good foundation for the subsequent sewing process and facilitating the improvement of the efficiency of the entire production process and the stability of product quality.
[0036] 5. For the processing technology used in leather shoe production, the finishing processes of sanding, coloring, waxing, and polishing can effectively remove the defects and unevenness on the surface of leather shoes, endow the leather shoes with uniform and bright colors and a shiny luster, make the appearance of leather shoes more delicate and high-grade, and significantly enhance the added value and market attractiveness of the product.
[0037] 6. For the processing technology used in leather shoe production, it adopts a sewing method that combines machine and handwork. Hand sewing at key parts increases the sense of refinement and firmness. At the same time, the stitch density, length, uniformity, and thread tension are strictly controlled, making the splicing of each component on the vamp tight, flat, and the stitch marks neat and beautiful. This not only improves the appearance quality of leather shoes but also greatly enhances the structural strength of the vamp and extends the service life of leather shoes.
[0038] 7. For the processing technology used in leather shoe production, through processes such as hot pressing, gluing, and die forming, the parameters are precisely controlled to make the shoe upper form a three-dimensional shape that conforms to the human foot shape. This not only ensures the accurate and beautiful shape of the shoe upper but also perfectly fits the foot, providing a comfortable wrapping feeling and support force, further enhancing the wearing comfort of leather shoes.
[0039] 8. For the processing technology used in leather shoe production, the stitching process ensures that the sole and the shoe upper are connected tightly and firmly, and can withstand large external forces and abrasion; the strict requirements for the gluing process in terms of the amount of glue used, the uniformity of coating, and the curing time make the bonding strength between the sole and the shoe upper high, effectively preventing the phenomenon of delamination and ensuring the stability and durability of leather shoes during daily wear. Description of the Drawings
[0040] Figure 1 This is a schematic diagram of the process flow of the present invention. Specific embodiments
[0041] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0042] Please refer to Figure 1 , a processing technology for leather shoes production, which is a technology for making leather shoes through the process of design - production - inspection:
[0043] Design templates: According to the current season's fashion trends, consumer demands, and wearing requirements for different occasions, design corresponding templates;
[0044] There is market research and style design:
[0045] Study the current season's fashion trends, consumer demands, and wearing requirements for different occasions, and draw sketches of various leather shoe styles, including different types such as dress shoes, casual shoes, and sports shoes. At the same time, consider details such as color matching and material combination;
[0046] After determining the preliminary design plan, use professional design software to create a 3D model to more intuitively display the appearance and structure of the leather shoes, and make further adjustments and optimizations.
[0047] Template making:
[0048] According to the design model, select paper or plastic sheets and precisely cut out the templates for each component, including the shoe upper, shoe vamp, tongue, and insole; during the template making process, strictly follow the design dimensions and ergonomic principles to ensure that the leather shoes are comfortable and fitting to wear. At the same time, consider the stretchability of the leather and make appropriate allowances or contractions for the templates.
[0049] After designing the templates, cut the leather materials. Layout the materials on the leather according to the templates, make reasonable use of the leather area, and reduce waste generation;
[0050] Use a high - precision cutting machine to precisely cut the leather into each component according to the template shape. During the cutting process, pay attention to keeping the cutting tool sharp to ensure that the cutting edges are neat and smooth, and avoid burrs or serrated edges, which will affect the subsequent sewing and the appearance quality of the leather shoes.
[0051] Sewing process: Sew each part of the leather shoes and combine them into a whole;
[0052] Upper Sewing:
[0053] Use a professional sewing machine and sew according to different upper designs and process requirements. Adopt a combination of hand sewing and machine sewing. For example, use hand sewing at key parts such as the toe and the shoe opening to enhance the delicacy and firmness of the leather shoes;
[0054] During the sewing process, strictly control the density, length, and uniformity of the stitches. The stitch density is about 8 - 12 stitches per inch to ensure that the splicing between the upper components is tight, flat, the stitch line is neat and beautiful, and control the tension of the thread to avoid wrinkles on the upper caused by too loose thread or deformation of the leather due to too tight thread.
[0055] Shoe Upper Shaping:
[0056] Attach the sewn upper components to the shoe lining and use hot pressing and gluing methods to initially shape the shoe upper. Then use a shoe upper shaping mold and through heating and pressing processes, make the shoe upper form a three - dimensional shape that conforms to the human foot shape;
[0057] During the shaping process, precisely control the temperature, pressure, and time parameters to ensure that the shape of the shoe upper is accurate, beautiful, and does not cause damage to the leather.
[0058] Sole Sewing and Assembly:
[0059] For leather shoes that use the stitching process to connect the sole and the shoe upper, use a special sole sewing machine to tightly stitch the sole and the shoe upper together. The stitches should penetrate multiple layers of materials of the sole and the shoe upper to ensure a firm connection. During the stitching process, pay attention to the alignment of the sole and the shoe upper to avoid skewing or unevenness;
[0060] For leather shoes with the gluing process, first evenly apply special shoe glue to the joint part of the sole and the shoe upper, then accurately attach the sole and the shoe upper together, and use a press to apply a certain pressure to fully cure the glue to ensure the connection strength between the sole and the shoe upper. During the gluing process, strictly control the amount of glue used, the evenness of application, and the curing time to avoid the phenomenon of delamination.
[0061] Finishing Process: Trim and decorate each part of the leather shoes;
[0062] Grinding and Trimming: Use tools such as sandpaper and grinding wheels to grind the edges and the sole surface of the leather shoes to remove the burrs, defects, and unevenness generated during cutting and sewing, making the surface of the leather shoes smoother and flatter;
[0063] During the grinding process, pay attention to controlling the grinding force and direction to avoid excessive grinding resulting in thinning of the leather or scratches.
[0064] Coloring and Dyeing: According to the design requirements, use spray guns and brush tools to color or dye leather shoes;
[0065] First, evenly spray or brush the base color on the surface of the leather shoes. After the base color dries, perform special effect treatments such as pattern drawing and color gradient according to needs;
[0066] During the dyeing process, ensure that the color is uniform and bright, without running or mottling, and pay attention to the compatibility of the dye with the leather to avoid problems such as fading or color change.
[0067] Waxing and Polishing: Apply an appropriate amount of shoe wax on the surface of the leather shoes, and then use a polishing machine or manual polishing tools to polish, so that the surface of the leather shoes presents a shiny and bright effect;
[0068] During the polishing process, pay attention to controlling the polishing speed and strength to avoid damage to the leather caused by high temperature.
[0069] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A processing technology for leather shoes production, characterized in that: The process of making leather shoes through the design-production-testing process: Design samples: Design corresponding samples according to the fashion trends of the season, consumer needs and dressing requirements for different occasions; Sewing process: sew the various parts of the leather shoes and combine them into a whole; Finishing process: trimming and modifying various parts of leather shoes.
2. A processing technology for leather shoes production according to claim 1, characterized in that: The design sample specifically includes market research and style design: Study the fashion trends of the season, consumer demands and dressing requirements for different occasions, and draw sketches of various leather shoes, including formal shoes, casual shoes, and sports shoes, while considering color matching and material combinations; After the preliminary design plan is determined, professional design software is used to create a three-dimensional model to more intuitively display the appearance and structure of the leather shoes and make further adjustments and optimizations.
3. A processing technology for leather shoes production according to claim 1, characterized in that: Design templates also include sample production: According to the design model, paper or plastic board is selected to accurately cut out samples of each component, including the upper, shoe upper, shoe tongue, and insole. During the sample making process, the design size and ergonomic principles must be strictly followed to ensure that the leather shoes are comfortable and fit well. At the same time, the elasticity of the leather must be considered, and the sample must be appropriately expanded or shrunk.
4. A processing technology for leather shoes production according to claim 1, characterized in that: After designing the sample, cut the leather and arrange the materials on the leather according to the sample, reasonably utilize the leather area and reduce waste; Use high-precision cutting machines to accurately cut the leather into individual parts according to the shape of the sample. During the cutting process, pay attention to keeping the knife sharp to ensure that the cutting edges are neat and smooth, and avoid burrs or jagged edges that affect the subsequent sewing and the appearance quality of the leather shoes.
5. The processing technology for producing leather shoes according to claim 1, characterized in that: The sewing process includes upper sewing: Use professional sewing machines to sew according to different upper designs and process requirements, using a combination of hand sewing and machine sewing. For example, hand sewing is used at key parts such as the toe and shoe opening to increase the delicacy and firmness of the leather shoes. During the sewing process, the density, length and uniformity of the stitches must be strictly controlled. The stitch density should be 8-12 stitches per inch to ensure that the joints between the various parts of the upper are tight and smooth, the stitches are neat and beautiful, and the tension of the thread is controlled to avoid wrinkling of the upper due to too loose thread or deformation of the leather due to too tight thread.
6. A processing technology for leather shoes production according to claim 1, characterized in that: The sewing process also includes the upper forming: The sewn upper parts are bonded to the shoe lining, and the upper is initially formed by heat pressing and gluing. Then, the upper forming mold is used to form a three-dimensional shape that conforms to the shape of the human foot through heating and pressurizing processes. During the molding process, the temperature, pressure and time parameters must be precisely controlled to ensure that the shape of the upper is accurate and beautiful without causing damage to the leather.
7. The processing technology for leather shoes production according to claim 1, characterized in that: The sewing process also includes sole sewing and assembly: For leather shoes that use stitching to connect the sole and upper, use a special sole sewing machine to sew the sole and upper tightly together. The stitches must penetrate the multiple layers of the sole and upper materials to ensure a firm connection. During the stitching process, pay attention to the alignment of the sole and upper to avoid skewness or unevenness. For leather shoes that are glued together, first apply special shoe glue evenly on the junction of the sole and the upper, then fit the sole and the upper accurately together, and use a press to apply a certain amount of pressure to allow the glue to fully solidify and ensure the connection strength between the sole and the upper. During the gluing process, the amount of glue, application uniformity and curing time must be strictly controlled to avoid debonding.
8. The processing technology for leather shoes production according to claim 1, characterized in that: The finishing process also includes polishing and trimming: using sandpaper and grinding wheels to polish the edges of leather shoes and the surface of the soles to remove the burrs, flaws and unevenness produced during the cutting and sewing process, making the surface of the leather shoes smoother and flatter; During the polishing process, pay attention to controlling the strength and direction of the polishing to avoid excessive polishing that may cause the leather to become thinner or scratched.
9. The processing technology for leather shoes production according to claim 1, characterized in that: The finishing process also includes coloring and dyeing: according to the design requirements, use spray guns and brushes to color or dye the leather shoes; First, spray or brush the base color evenly on the surface of the leather shoes. After the base color dries, draw patterns and color gradients as needed. During the dyeing process, it is necessary to ensure that the color is uniform and bright, without sagging or mottled phenomenon, and pay attention to the compatibility of the dye with the leather to avoid fading or discoloration.
10. The processing technology for leather shoes production according to claim 1, characterized in that: The finishing process also includes waxing and polishing: apply a proper amount of shoe wax on the surface of the leather shoes, and then use a polishing machine or hand polishing tools to polish them to make the surface of the leather shoes appear shiny and bright; During the polishing process, pay attention to controlling the polishing speed and strength to avoid high temperature causing damage to the leather.