Shoemaking mold and holed shoes

Abstract

The utility model discloses a shoemaking mold and a holed shoe, and the shoemaking mold comprises a mold base, a mold core and a mold core, the mold core is arranged in the mold base and forms a cavity with the mold base; and the positioning block is embedded in the mold base or the mold core, the positioning block has elasticity, the two sides of the positioning block are in elastic abutting fit with the mold base and the mold core correspondingly, and a closed area is formed in the cavity so that a hole of a closed-loop structure can be formed through injection molding. The elastic positioning block is arranged on the mold base or the mold core, for example, the positioning block can be made of a high-hardness, high-resilience and corrosion-resistant plastic steel material, so that the positioning block can be tightly matched with another component to form a closed area when the mold base is closed, an injection molding material is ensured not to overflow to a non-forming area, and burrs on the edge of a finished product are effectively prevented; moreover, the positioning blocks are mounted in an embedded manner, so that the manufacturing and processing cost is lower, the positioning blocks can be conveniently replaced according to the hole shapes of the shoes, the use flexibility and adaptability are higher, and remarkable economic benefits and application prospects are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of shoemaking, in particular to a shoemaking mould and clogs having the shoemaking mould. Background Art

[0002] Injection molding is a widely used production method in the footwear industry. For example, clogs are made using injection molding. Traditional shoemaking molds typically consist of an upper mold, a lower mold, and a core, with the core forming the internal structure of the shoe. During the injection molding process, the upper and lower molds are combined to form a closed cavity. Molten plastic material is injected into the cavity and then solidifies after cooling to form the footwear product.

[0003] In the related art, the mold core is in direct contact with the upper mold or the lower mold, and the material hardness is similar. During the long-term opening and closing operation of the mold, the contact surface will gradually wear out, resulting in a gap between the two parts, causing the molten material to overflow from these gaps and form burrs. This not only affects the appearance quality of the finished product, but also increases the cost of subsequent processing steps. In particular, for hole shoes, long-term collisions between parts will cause them to not fit completely tightly, resulting in burrs in the holes. On the one hand, due to wear problems, the service life of the mold is short, and frequent mold replacement will increase production costs. On the other hand, manual processing of burrs is not only inefficient but also easily leads to defective finished products.

[0004] To address these issues, some existing technologies attempt to improve mold performance by changing mold materials or adding auxiliary components. For example, some solutions use more wear-resistant materials for the mold core or mold base, but these materials are often expensive and still cannot completely prevent wear. Other solutions apply protective layers to the mold surface, but these layers easily fall off after prolonged use, making them less effective. Utility Model Content

[0005] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a shoemaking mold that, by providing a resilient positioning block on the mold base or mold core, effectively prevents burrs formed by overflow of the injection molding material, thereby improving the appearance quality and consistency of the finished product and reducing the cost and time of subsequent processing steps. Furthermore, the elastic properties of the positioning block extend the service life of the mold, reducing production costs, and improving production efficiency and the market competitiveness of the product.

[0006] The utility model also provides a pair of clogs having the shoe-making mold.

[0007] The shoe-making mold according to the utility model comprises:

[0008] mold base;

[0009] A mold core is placed in the mold base and forms a mold cavity with the mold base;

[0010] A positioning block is embedded and installed in the mold base or the mold core. The positioning block is elastic. Two sides of the positioning block are elastically pressed against the mold base and the mold core respectively, and form a closed area in the mold cavity to inject a hole with a closed loop structure.

[0011] The shoe-making mold according to the utility model has at least the following beneficial effects: by arranging an elastic positioning block on the mold base or the mold core, it can cooperate closely with another component when the mold base is closed to form a closed area, ensuring that the injection molding material will not overflow into the non-molding area, thereby effectively preventing burrs from appearing on the edge of the finished product; and the positioning block adopts an embedded installation method, which not only has a low manufacturing and processing cost, but can also be easily replaced according to the hole shape of the shoe, and has higher flexibility and adaptability in use; in addition, the positioning block can be made of high-hardness, high-rebound and corrosion-resistant plastic steel material, which can significantly reduce the wear between mold components and extend the service life of the mold; in addition, the elastic characteristics of the positioning block help to absorb the impact force during the opening and closing of the mold, reduce the wear of various mold components, and improve the stability and service life of the mold, thereby reducing production costs and improving production efficiency. This design not only improves the appearance quality of the finished product, but also simplifies the subsequent processing steps, and has significant economic benefits and application prospects.

[0012] According to the shoe-making mold described in some embodiments of the present invention, the mold core is provided with a mounting groove, and the positioning block is embedded and installed in the mounting groove.

[0013] According to the shoemaking mold described in some embodiments of the present invention, the mold base is equipped with an alignment block, the alignment block corresponds to the position of the positioning block, and when the mold base and the mold core are closed, the positioning block elastically presses against the alignment block.

[0014] According to the shoe-making mold described in some embodiments of the present invention, the alignment block is elastic, and the alignment block and the positioning block are made of different materials.

[0015] According to the shoemaking mold described in some embodiments of the present invention, the mold base includes an upper mold and a lower mold, the upper mold and the lower mold cooperate to cover the mold core, the alignment block is arranged on the bottom surface of the upper mold, and the positioning block is arranged on the top surface of the mold core.

[0016] According to the shoemaking mold described in some embodiments of the present invention, the mold base includes an upper mold and a lower mold, the upper mold and the lower mold cooperate to cover the mold core, the top surface of the lower mold is provided with a support block, the positioning block is provided on the bottom surface of the mold core, and the position of the support block corresponds to that of the positioning block.

[0017] According to the shoe-making mold described in some embodiments of the present invention, the mold core is provided with a mounting portion, the mold base is provided with a limiting groove, and the mounting portion is tightly fitted with the groove wall of the limiting groove.

[0018] According to the shoemaking mold described in some embodiments of the present invention, the mold core is provided with a forming part integrally connected to the mounting part, the mold base is provided with a receiving groove, the mold cavity is formed between the forming part and the receiving groove, there are multiple positioning blocks, and the multiple positioning blocks are arranged at intervals in the mold cavity.

[0019] According to the shoe-making mold described in some embodiments of the present invention, the positioning block is arranged on a side of the cavity away from the mounting portion.

[0020] The hole shoes according to the utility model are made by the shoe-making mold of the utility model.

[0021] The hole shoes according to the utility model have at least the following beneficial effects: by adopting the above-mentioned shoe-making mold, the appearance quality and consistency of the finished product are significantly improved; by arranging an elastic positioning block on the mold base or the mold core, the injection material is effectively prevented from overflowing during the molding process, and the burr problem on the edge of the finished product is eliminated, which not only improves the appearance of the product, but also reduces the cost and time of subsequent processing steps, thereby improving production efficiency; in addition, the high hardness, high rebound and corrosion resistance of the positioning block extend the service life of the mold, reduce the frequency of frequent mold replacement, and further reduce production costs.

[0022] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0024] Figure 1 This is a schematic cross-sectional view of a shoe-making mold according to an embodiment of the present utility model;

[0025] Figure 2 This is an exploded schematic diagram of the connection structure between the mold core and the positioning block of the shoemaking mold according to an embodiment of the present utility model;

[0026] Figure 3 This is a structural diagram of the upper mold of the shoemaking mold according to an embodiment of the present utility model;

[0027] Figure 4 This is a structural schematic diagram of a mold core of a shoemaking mold according to another embodiment of the present invention;

[0028] Figure 5 This is a structural schematic diagram of the lower mold of the shoemaking mold according to an embodiment of the present utility model.

[0029] Description of Figure Numbers:

[0030] Die base 100; cavity 101; upper die 110; limiting groove 1101; containing groove 1102; alignment block 111; lower die 120; support block 121;

[0031] Mold core 200; mounting groove 201; mounting portion 210; molding portion 220;

[0032] Positioning block 300. DETAILED DESCRIPTION

[0033] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0034] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0035] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0036] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0037] In the description of the present invention, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the exemplary expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0038] Injection molding is a widely used production method in the footwear industry. For example, clogs are made using injection molding. Traditional shoemaking molds typically consist of an upper mold, a lower mold, and a core, with the core forming the internal structure of the shoe. During the injection molding process, the upper and lower molds are combined to form a closed cavity. Molten plastic material is injected into the cavity and then solidifies after cooling to form the footwear product.

[0039] In the related art, the mold core is in direct contact with the upper mold or the lower mold, and the material hardness is similar. During the long-term opening and closing operation of the mold, the contact surface will gradually wear out, resulting in a gap between the two parts, causing the molten material to overflow from these gaps and form burrs. This not only affects the appearance quality of the finished product, but also increases the cost of subsequent processing steps. In particular, for hole shoes, long-term collisions between parts will cause them to not fit completely tightly, resulting in burrs in the holes. On the one hand, due to wear problems, the service life of the mold is short, and frequent mold replacement will increase production costs. On the other hand, manual processing of burrs is not only inefficient but also easily leads to defective finished products.

[0040] To address these issues, some existing technologies attempt to improve mold performance by changing mold materials or adding auxiliary components. For example, some solutions use more wear-resistant materials for the mold core or mold base, but these materials are often expensive and still cannot completely prevent wear. Other solutions apply protective layers to the mold surface, but these layers easily fall off after prolonged use, making them less effective.

[0041] For this reason, Figures 1 to 5The figure shows the shoemaking mold proposed in the present invention, comprising a mold base 100, a mold core 200, and a positioning block 300. The mold core 200 is placed within the mold base 100 and forms a mold cavity 101 with the mold base 100. The positioning block 300 is embedded in the mold base 100 or the mold core 200, forming a closed area within the mold cavity 101 for injection molding a closed-loop hole. Specifically, the positioning block 300 is elastic, with its two sides elastically pressing against the mold base 100 and the mold core 200, respectively. It should be noted that by arranging an elastic positioning block 300 on the mold base 100 or the mold core 200, it can cooperate closely with another component when the mold base 100 is closed to form a closed area, ensuring that the injection molding material will not overflow into the non-molding area, thereby effectively preventing burrs from appearing on the edge of the finished product; and, the positioning block 300 adopts an embedded installation method, which not only has a low manufacturing and processing cost, but can also be easily replaced according to the hole shape of the shoe, and has higher flexibility and adaptability in use; in addition, the positioning block 300 can be made of high-hardness, high-rebound and corrosion-resistant plastic steel material, which can significantly reduce the wear between mold components and extend the service life of the mold; in addition, the elastic characteristics of the positioning block 300 help to absorb the impact force during the opening and closing of the mold, reduce the wear of various mold components, and improve the stability and service life of the mold, thereby reducing production costs and improving production efficiency. This design not only improves the appearance quality of the finished product, but also simplifies the subsequent processing steps, and has significant economic benefits and application prospects.

[0042] Refer again Figure 2 In some embodiments of the present invention, the mold core 200 is provided with a mounting groove 201, and the positioning block 300 is embedded and installed in the mounting groove 201, which significantly improves the convenience of installation and maintenance of the mold, makes the installation and disassembly of the positioning block 300 more convenient, and facilitates quick replacement when worn or damaged, reducing downtime and maintenance costs. At the same time, the design of the mounting groove 201 ensures the precise installation position of the positioning block 300, improves the precision and stability of the mold, thereby ensuring the close fit of the various components during the injection molding process, further prevents the overflow of the injection molding material, and avoids the problem of burrs on the edge of the finished product. In some manufacturing applications, the mold core 200 is hollowed out at the position corresponding to the hole of the shoe, and then a positioning block 300 of the corresponding shape is manufactured and embedded in the mold core 200 and fixed to prevent the positioning block 300 from loosening. Optionally, the embedded mold core 200 is then subjected to overall precision processing using a CNC machine tool.

[0043] Further, refer to Figures 1 to 3In some embodiments of the present invention, the mold base 100 is equipped with an alignment block 111, and the alignment block 111 corresponds to the position of the positioning block 300. When the mold base 100 and the mold core 200 are closed, the positioning block 300 elastically presses against the alignment block 111, further improving the sealing and stability of the mold. When the mold base 100 and the mold core 200 are closed, the positioning block 300 elastically presses against the alignment block 111, forming a tight sealing area, which effectively prevents the injection material from overflowing from the gap during the molding process and avoids the burr problem on the edge of the finished product. It not only improves the appearance quality and consistency of the finished product, but also enhances the stability of the mold during the opening and closing process, reduces wear caused by vibration and displacement, and extends the service life of the mold. In addition, the cooperation between the alignment block 111 and the positioning block 300 ensures precise positioning when closing the mold, further improves the precision and reliability of the mold, thereby reducing production costs and improving production efficiency. Optionally, the alignment block 111 is elastic and made of different materials than the positioning block 300, ensuring that they can form a specified enclosed area after being pressed together, thereby forming a hole of a predetermined size and shape. Optionally, one of the alignment block 111 and the positioning block 300 is made of a high-hardness, high-resilience, and corrosion-resistant plastic steel material. These two materials can form a double elastic seal when the mold is closed, ensuring that the injection molding material does not overflow from the gap during the molding process, effectively avoiding burrs on the edges of the finished product. This double-ended elastic pressing design not only improves the sealing effect of the mold, but also enhances the wear resistance of the mold components, extending the service life of the mold.

[0044] Reference Figures 1 to 3 In some embodiments of the present invention, the mold base 100 includes an upper mold 110 and a lower mold 120. The upper mold 110 and the lower mold 120 cooperate to cover the mold core 200. The alignment block 111 is provided on the bottom surface of the upper mold 110, and the positioning block 300 is provided on the top surface of the mold core 200. Furthermore, the upper mold 110 and the lower mold 120 can cover the mold core 200 more tightly when the mold is closed, ensuring the precise alignment between the mold core 200 and the mold base 100. In addition, the split design of the mold base 100 makes the assembly and disassembly of the entire mold more convenient, facilitates the maintenance and replacement of worn parts, and extends the service life of the mold. Further, referring to Figure 4 and Figure 5In some embodiments of the present invention, a support block 121 is provided on the top surface of the lower mold 120, and a positioning block 300 is provided on the bottom surface of the mold core 200. The positions of the support block 121 and the positioning block 300 correspond to each other, which significantly improves the stability and sealing of the mold. This design enables the positions of the support block 121 and the positioning block 300 to correspond to each other during the mold closing process, which can effectively support the mold core 200 and reduce the vibration and displacement of the mold core 200 during the injection molding process, thereby improving the stability and molding accuracy of the mold. In addition, the cooperation between the support block 121 and the positioning block 300 also optimizes the internal cooperation structure of the mold, so that the pressure can be evenly distributed during the mold closing, reducing the deformation and wear caused by local overpressure and extending the service life of the mold. Optionally, the support block 121 is elastic, and reference can be made to the material and cooperation relationship of the alignment block 111 and the positioning block 300, which will not be repeated here. In some manufacturing applications, the alignment block is injection molded in the upper mold, or the alignment block is embedded in the upper mold. Similarly, the support block is injection molded on the lower mold, or the support block is embedded and installed in the lower mold.

[0045] like Figures 1 to 3 As shown, in some embodiments of the present invention, the mold core 200 is provided with a mounting portion 210, and the mold base 100 is provided with a limiting groove 1101. The mounting portion 210 fits tightly against the groove wall of the limiting groove 1101, ensuring the precise positioning of the mold core 200 in the mold, reducing molding errors caused by positional deviations, and thus improving the appearance quality and consistency of the finished product. Furthermore, the close fit between the mounting portion 210 and the limiting groove 1101 enhances the fixing effect of the mold core 200, reduces displacement and vibration during the mold opening and closing process, and further improves the stability and service life of the mold. Furthermore, the mold core 200 is provided with a forming portion 220 integrally connected to the mounting portion 210, and the mold base 100 is provided with a receiving groove 1102. A cavity 101 is formed between the forming portion 220 and the receiving groove 1102. There are multiple positioning blocks 300, and multiple positioning blocks 300 are arranged at intervals in the cavity 101, further improving the molding accuracy of the mold and the sealing performance of the corresponding shoe holes. In addition, it also ensures the precise fit between the forming portion 220 of the mold core 200 and the receiving groove 1102 of the mold, thereby forming a cavity 101 with accurate shape and stable dimensions, thereby improving the appearance quality and consistency of the finished product. In application, multiple positioning blocks 300 are arranged at intervals in the cavity 101 to match the external structure of the multiple holes on the shoe, which can not only further enhance the sealing effect of the cavity 101, but also further prevent the injection molding material from overflowing from the gap during the molding process, avoiding the problem of burrs on the edge of the finished product. In addition, the design of multiple positioning blocks 300 makes the pressure more evenly distributed in the cavity 101, reduces deformation and wear caused by local overpressure, and extends the service life of the mold.

[0046] In some applications, the mating portion between the mounting portion 210 and the limiting groove 1101 represents the initial mounting and mating position of the mold core 200 and the mold base 100. As a result, the mating position accuracy between the mold core 200 and the mold base 100 is poor at locations away from the initial mounting and mating position. For example, conventional fully rigid mold cores and mold bases often become suspended at locations away from the initial mounting and mating position, causing the injection molding material to seep into the corresponding shoe holes and produce burrs after molding. Therefore, in some embodiments of the present invention, the positioning block 300 is arranged on the side of the mold cavity 101 facing away from the mounting portion 210. This ensures sealing performance at key locations, particularly the edge areas of the mold cavity 101, effectively preventing the injection molding material from overflowing from these areas during the molding process and avoiding burrs on the edges of the finished product. Furthermore, placing the positioning block 300 on the side of the mold cavity 101 facing away from the mounting portion 210 reduces interference of the positioning block 300 with the mounting portion 210 of the mold core 200, making installation and removal of the mold core 200 more convenient and improving the efficiency of mold maintenance and replacement. In addition, this layout ensures a more uniform pressure distribution within the cavity 101, reduces deformation and wear caused by local overpressure, and further extends the service life of the mold.

[0047] The hole shoes according to the embodiment of the utility model are made by the shoe-making mold according to the embodiment of the utility model.

[0048] The hole shoes according to the embodiment of the present invention significantly improve the appearance quality and consistency of the finished product by adopting the above-mentioned shoemaking mold. By providing an elastic positioning block 300 on the mold base 100 or the mold core 200, the injection material is effectively prevented from overflowing during the molding process, and the burr problem on the edge of the finished product is eliminated, which not only improves the appearance of the product, but also reduces the cost and time of subsequent processing steps, thereby improving production efficiency. In addition, the high hardness, high rebound and corrosion resistance of the positioning block 300 extend the service life of the mold, reduce the frequency of frequent mold replacement, and further reduce production costs.

[0049] Other structures and operations of the hole shoes according to the embodiment of the present invention are known to ordinary technicians in this field and will not be described in detail here.

[0050] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. Shoemaking mold, characterized in that, include: mold base; A mold core is placed in the mold base and forms a mold cavity with the mold base; A positioning block is embedded and installed in the mold base or the mold core. The positioning block is elastic. Two sides of the positioning block are elastically pressed against the mold base and the mold core respectively, and form a closed area in the mold cavity to inject a hole with a closed loop structure.

2. The shoemaking mold according to claim 1, characterized in that: The mold core is provided with an installation groove, and the positioning block is embedded and installed in the installation groove.

3. The shoemaking mold according to claim 2, characterized in that: The mold base is equipped with an alignment block, and the position of the alignment block corresponds to that of the positioning block. When the mold base and the mold core are closed, the positioning block elastically presses against the alignment block.

4. The shoemaking mold according to claim 3, characterized in that: The alignment block is elastic, and the alignment block and the positioning block are made of different materials.

5. The shoemaking mold according to claim 3, characterized in that: The mold base includes an upper mold and a lower mold, the upper mold and the lower mold cooperate to cover the mold core, the alignment block is arranged on the bottom surface of the upper mold, and the positioning block is arranged on the top surface of the mold core.

6. The shoemaking mold according to claim 2, characterized in that: The mold base includes an upper mold and a lower mold, and the upper mold and the lower mold cooperate to cover the mold core. The top surface of the lower mold is provided with a support block, and the positioning block is provided on the bottom surface of the mold core. The position of the support block corresponds to that of the positioning block.

7. The shoemaking mold according to any one of claims 1 to 6, characterized in that: The mold core is provided with a mounting portion, and the mold base is provided with a limiting groove, and the mounting portion is tightly matched with the groove wall of the limiting groove.

8. The shoemaking mold according to claim 7, characterized in that: The mold core is provided with a molding part integrally connected with the mounting part, the mold base is provided with a receiving groove, the molding part and the receiving groove form the molding cavity, there are multiple positioning blocks, and the multiple positioning blocks are arranged in the molding cavity at intervals.

9. The shoemaking mold according to claim 8, characterized in that: The positioning block is arranged on a side of the cavity away from the mounting portion.

10. Crocs, characterized by: The shoe-making mold is manufactured from the shoe-making mold according to any one of claims 1 to 9.

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