A shoe 3D forming mold facilitating demolding

Abstract

This utility model discloses a 3D molding mold for shoes that facilitates demolding, relating to the field of shoe manufacturing technology. The utility model includes a mold body with a separable mold section on one side. The mold section is hinged to the mold body via a split roller on one side, allowing the mold section to tilt upwards relative to the mold body. The utility model uses a cover plate opening action to force the mold section to separate synchronously, and a lateral elastic mechanism to push the pusher, creating a composite ejection force field between the pusher's top block and the split spring. Simultaneously, the hinge tilting and lifting actions are strictly time-matched, and the rigid pusher and elastic mechanism work together to adapt to the shoe's curvature, ultimately solving the triple problems of force dispersion, asynchronous operation, and localized stress, thus improving demolding efficiency.

Description

Technical Field

[0001] This utility model relates to the field of shoe manufacturing technology, specifically a 3D molding mold for shoes that is easy to demold. Background Technology

[0002] In the 3D printing process of footwear, split molds are widely used in the manufacturing of complex shoe shapes due to their separable characteristics. The industry's common solution adopts a combination structure of mold body and detachable split modules, and realizes the movement of split modules through sliding guide mechanism. This is the basic design paradigm of current demolding technology.

[0003] In existing shoe mold demolding technology, the movement of the separate modules relies on a sliding guide mechanism, resulting in high mechanical friction resistance between the module and the mold body. This makes the demolding process prone to jamming and accelerates wear on the contact surface, causing scratches on the shoe surface. The opening and closing action of the cover plate is independent of the separation process of the separate modules, requiring step-by-step operation and positioning, which prolongs the demolding cycle. The ejection mechanism has a single and dispersed force, and the traditional spring lifting cannot adapt to complex shoe shape curves. The lateral push system and elastic mechanism lack coordination. These three defects together lead to low demolding efficiency, high product defect rate, and increased mold maintenance costs. In view of this, the inventors urgently need to design a shoe 3D molding mold that is easy to demold, so that the mold can be demolded quickly and save time and costs. Utility Model Content

[0004] Therefore, the purpose of this utility model is to provide a shoe 3D molding mold that is easy to demold, so as to solve the technical problem of low demolding efficiency of traditional molds.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a shoe 3D molding mold that is easy to demold, comprising a mold body and a split spring. A separable mold split is provided on one side of the mold body. The mold split is hinged to the mold body through a split roller provided on one side, so that the mold split can tilt upward relative to the mold body.

[0006] By adopting the above technical solution, the mold is split into two parts and connected to the main body of the mold via split rollers, which transforms the rigid sliding friction of the traditional split module into rolling contact, reduces the initial resistance of demolding, and avoids damage to the shoe surface due to mechanical scratches.

[0007] Furthermore, a cover plate is hinged to the top of the mold body. The cover plate forms a hinged structure with the mold body through cover plate rollers disposed between the mold body and the cover plate. The mold opening action of the cover plate drives the mold to separate synchronously.

[0008] By adopting the above technical solution, the cover plate is hinged to the top of the mold body through cover plate rollers. When the mold is opened, the rotation of the cover plate directly drives the mold to separate synchronously through mechanical linkage, eliminating the redundant process of the traditional mold requiring secondary operation of the separation module and compressing the demolding cycle.

[0009] Furthermore, a limiting block is provided inside the mold body, which is used to constrain the opening displacement stroke of the mold body.

[0010] By adopting the above technical solution, the limiting block provides rigid constraint on the mold splitting displacement stroke, accurately controls the splitting tilting angle and separation speed, and prevents excessive displacement from causing overload damage to the hinge structure.

[0011] Furthermore, a pusher block is provided on one side of the limiting block, and the pusher block is located below the mold body and is coaxially linked with the pusher.

[0012] By adopting the above technical solution, the pusher block is coaxially linked with the pusher and located below the mold body. It directly applies a vertical upward pushing force to the bottom of the mold body module, which complements the torque of the hinge movement of the mold body and the mold body, thus releasing the engagement of the mold body.

[0013] Furthermore, one end of the split spring is fixed to the mold split, and the other end is connected to the split spring top block, forming an elastic ejection mechanism for ejecting the mold split.

[0014] By adopting the above technical solution, one end of the split spring is fixed to the mold split, and the other end is connected to the split spring top block to form an elastic ejection mechanism. Its elastic potential energy is released on the action of the push column top block mechanically lifting the split spring top block, forming an ejection force multiplication effect. The push column top block provides the basic demolding displacement, and the split spring releases the stored energy to dissipate the impact when it contacts the shoe body.

[0015] Furthermore, a push rod is provided on one side of the cover plate, a small push plate is provided on one side of the push rod, a roller is provided on the lower side of the small push plate, a push plate spring is provided on one side of the small push plate, and a large push plate is provided on one side of the push plate spring. The large push plate and the push rod work together to form a transverse elastic mechanism.

[0016] By adopting the above technical solution, a lateral elastic mechanism consisting of a push rod, a small push plate, a roller, a push plate spring, a large push plate, and a push column is used to convert the rotational motion of the cover plate opening and closing into the precise horizontal displacement of the push column, providing controllable power input for the core lifting system.

[0017] Furthermore, the split rollers are located on the front side of the mold split, and the cover plate rollers are located on the rear side of the mold body, together forming a rolling demolding guide system.

[0018] By adopting the above technical solution, the split rollers on the front side of the mold split and the cover plate rollers on the rear side of the mold body form a dual-axis rolling guide system, which transforms the sliding friction throughout the demolding process into rolling friction and reduces motion resistance.

[0019] In summary, the present invention has the following main advantages:

[0020] 1. This utility model uses the opening action of the cover plate to force the mold to separate the parts synchronously, and links the transverse elastic mechanism to push the push column, so that the push column top block and the split spring form a compound ejection force field. At the same time, the hinge tilting and the lifting action are strictly matched in sequence. The rigid top column and the elastic mechanism work together to adapt to the curvature of the shoe shape, and finally solve the three pain points of force dispersion, asynchronous operation and local stress, thus improving the demolding efficiency.

[0021] 2. This utility model uses a dual-axis rolling guide system composed of split rollers and cover plate rollers to convert the sliding friction of mold split tilting and cover plate rotation into rolling friction. At the same time, the rollers at the bottom of the small push plate eliminate transmission chain friction. The three-axis rolling pair covers all contact surfaces of the mold, eliminating the risk of jamming of the hinge mechanism and the opening and closing resistance of the cover plate. It also reduces the load of the limit block stroke control, ultimately achieving a reduction in resistance throughout the product separation process and an increase in mold life. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0023] Figure 2 This is a top view of the structure of this utility model;

[0024] Figure 3 This is a side view of the structural features of this utility model.

[0025] Figure 4 For the present utility model Figure 3 A magnified structural diagram of point A in the middle.

[0026] In the diagram: 1. Mold body; 2. Cover plate; 3. Cover plate roller; 4. Mold body; 5. Separate roller; 6. Separate spring; 7. Separate spring top block; 8. Push rod; 9. Limit block; 10. Push plate spring; 11. Push column top block; 12. Small push plate; 13. Large push plate; 14. Roller; 15. Push column. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0028] In this embodiment:

[0029] A shoe 3D molding mold that facilitates demolding, such as Figure 1-4 As shown, the mold includes a mold body 1, with a separable mold body 4 on one side. The mold body 4 is hinged to the mold body 1 via a separable roller 5 on one side, allowing the mold body 4 to tilt upward relative to the mold body 1. By connecting the mold body 4 to the mold body 1 via the separable roller 5, the rigid sliding friction of the traditional separable module is transformed into rolling contact, reducing the initial resistance of demolding and preventing damage to the shoe upper due to mechanical scratches. At the same time, the unique design of the mold body 4 tilting upward relative to the mold body 1 adapts to the curvature changes of footwear products, naturally forming a gradual separation space when separating from the mold body 1, solving the problem of local stress concentration caused by forced demolding, and providing a physical basis for the subsequent collaborative demolding mechanism.

[0030] See Figure 1 , Figure 2 , Figure 3 A cover plate 2 is hinged to the top of the mold body 1. The cover plate 2 forms a hinged structure with the mold body 1 through the cover plate roller 3 set between the mold body 1 and the cover plate 2. The mold opening action of the cover plate 2 drives the mold split 4 to separate synchronously. The cover plate 2 is hinged to the top of the mold body 1 through the cover plate roller 3. When the mold opens, the rotation action of the cover plate 2 directly drives the mold split 4 to separate synchronously through mechanical linkage, eliminating the redundant process of the split module that requires secondary operation in traditional molds, and compressing the demolding cycle. At the same time, the forced linkage between the cover plate 2 and the mold split 4 ensures that the timing of the split movement is strictly matched with the opening of the cover plate, avoids the positioning deviation caused by asynchronous action, realizes the synergy of dual actions, and improves the demolding accuracy and automation level.

[0031] See Figure 4 A limiting block 9 is provided inside the mold body 1. The limiting block 9 is used to constrain the mold opening displacement stroke of the mold split 4. The rigid constraint of the limiting block 9 on the mold opening displacement stroke of the mold split 4 accurately controls the split lifting angle and separation speed, preventing excessive displacement from causing overload damage to the hinge structure. At the same time, this limiting mechanism provides a reaction fulcrum for the elastic ejection mechanism, ensuring that the ejection force of the split spring ejector block 7 is transmitted along the preset trajectory, avoiding tearing of the shoe sole caused by ejection deviation. The limiting block 9 becomes a dual guarantee for the safety of the split movement and the stability of the ejection direction.

[0032] See Figure 4A pusher block 11 is provided on one side of the limiting block 9. The pusher block 11 is located below the mold body 4 and is coaxially linked with the pusher 15. The pusher block 11 and the pusher 15 are coaxially linked and located below the mold body 4. The pusher block 11 directly applies a vertical upward pushing force to the bottom of the mold body module. It forms a torque complement with the hinge movement of the mold body and the mold body, and releases the engagement of the mold body 4. At the same time, the lateral linkage mechanism of the pusher block 11 realizes dynamic coordination with the elastic ejection mechanism. When the split spring 6 releases elastic potential energy, the pusher block 11 provides rigid push at the same time, forming a composite demolding force field of elastic buffer and rigid push, which solves the problem of uneven force application at a single point in traditional ejector pins.

[0033] See Figure 4 One end of the split spring 6 is fixed to the mold split 4, and the other end is connected to the split spring top block 7, forming an elastic ejection mechanism for ejecting the mold split 4. The elastic potential energy of the split spring 6 is released on the action of the push column top block 11 mechanically lifting the split spring top block 7, forming a multiplication effect of ejection force. The push column top block 11 provides the basic demolding displacement, and the split spring 6 releases the stored energy to dissipate the impact when it contacts the shoe body. At the same time, the elastic ejection mechanism realizes the flexible loading of demolding force. The elastic deformation of the split spring 6 can adapt to the height difference of different shoe surface curves, evenly distribute the ejection force, and avoid local indentation or deformation caused by hard ejector rods. The elastic system becomes the first line of defense to protect the fragile shoe upper structure.

[0034] See Figure 3 , Figure 4 A push rod 8 is provided on one side of the cover plate 2, a small push plate 12 is provided on one side of the push rod 8, a roller 14 is provided on the lower side of the small push plate 12, a push plate spring 10 is provided on one side of the small push plate 12, and a large push plate 13 is provided on one side of the push plate spring 10. The large push plate 13 and the push column 15 are linked to form a transverse elastic mechanism. The transverse elastic mechanism, which is linked by the push rod 8, the small push plate 12, the roller 14, the push plate spring 10, the large push plate 13 and the push column 15, converts the rotational motion of the cover plate 2 opening and closing into the precise horizontal displacement of the push column 15, providing controllable power input for the core lifting system. At the same time, the elastic storage and release design of the push plate spring 10 between the large push plate 13 and the small push plate 12 forms a pressure buffer and stroke compensation mechanism. When the curvature of the shoe shape changes and causes a sudden change in lifting resistance, the elastic deformation automatically dissipates the stress peak and protects the transmission structure from impact damage.

[0035] See Figure 1 , Figure 2 , Figure 3The split rollers 5 are located on the front side of the mold split 4, and the cover rollers 3 are located on the rear side of the mold body 1. Together, they form a rolling demolding guide system. The split rollers 5 on the front side of the mold split 4 and the cover rollers 3 on the rear side of the mold body 1 form a dual-axis rolling guide system, which converts the sliding friction of the entire demolding process into rolling friction, reducing motion resistance. At the same time, the split rollers 5 guide the tilting trajectory of the mold split 4, and the cover rollers 3 control the rotation and opening and closing of the cover plate 2. The rollers 14 at the bottom of the small push plate 12 work together to reduce resistance. The three-axis rolling pair covers all the moving contact surfaces of the mold, forming a low-loss demolding environment throughout the entire cycle, improving the mold life, and solving the hidden danger of contamination of the cavity by friction debris.

[0036] The implementation principle of this embodiment is as follows: When the mold is opened, the operator opens the cover plate 2 on the top of the mold body 1. The cover plate 2 drives the side push rod 8 to move, pushing the small push plate 12 and its lower roller 14 to move, compressing the push plate spring 10 and driving the large push plate 13. The large push plate 13 moves laterally in conjunction with the push column 15, pushing the push column top block 11 to move laterally in sync. During the lateral movement, the push column top block 11 presses against the vertically set split spring top block 7, driving it to rise upward. At the same time, the cover plate 2 opens, causing the mold to split. The body 4 tilts upward around the split roller 5 on its front side. The upward force of the split spring top block 7 enhances the tilting action of the mold body 4 through the split spring 6. The tilting stroke is constrained by the limit block 9. The entire demolding is guided by three sets of rolling mechanisms: the split roller 5 on the front side of the mold body 4, the cover plate roller 3 on the rear side of the mold body 1, and the roller 14 at the bottom of the small push plate 12 constitute a rolling demolding guide system. The product is finally ejected under the coordinated lifting of the mold body 4, the push roller top block 11, and the split spring top block 7.

[0037] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A shoe 3D molding mold for easy demolding, characterized in that: Includes a mold body (1) and a split spring (6). A separable mold body (4) is provided on one side of the mold body (1). The mold body (4) is hinged to the mold body (1) through a split roller (5) provided on one side, so that the mold body (4) can tilt upward relative to the mold body (1).

2. The shoe 3D molding mold for easy demolding according to claim 1, characterized in that: The top of the mold body (1) is hinged with a cover plate (2). The cover plate (2) forms a hinge structure with the mold body (1) through the cover plate roller (3) set between the mold body (1) and the cover plate (2). The mold opening action of the cover plate (2) drives the mold body (4) to separate synchronously.

3. The shoe 3D molding mold for easy demolding according to claim 1, characterized in that: The mold body (1) is provided with a limiting block (9), which is used to constrain the mold opening displacement stroke of the mold body (4).

4. The shoe 3D molding mold for easy demolding according to claim 3, characterized in that: A pusher block (11) is provided on one side of the limiting block (9). The pusher block (11) is located below the mold body (4) and is coaxially linked with the pusher (15).

5. The shoe 3D molding mold for easy demolding according to claim 1, characterized in that: One end of the split spring (6) is fixed to the mold split (4), and the other end is connected to the split spring top block (7), forming an elastic ejection mechanism for ejecting the mold split (4).

6. The shoe 3D molding mold for easy demolding according to claim 2, characterized in that: A push rod (8) is provided on one side of the cover plate (2), a small push plate (12) is provided on one side of the push rod (8), a roller (14) is provided on the lower side of the small push plate (12), a push plate spring (10) is provided on one side of the small push plate (12), and a large push plate (13) is provided on one side of the push plate spring (10). The large push plate (13) and the push rod (15) are linked to form a transverse elastic mechanism.

7. A shoe 3D molding mold for easy demolding according to claim 2, characterized in that: The split roller (5) is located on the front side of the mold split (4), and the cover roller (3) is located on the rear side of the mold body (1), together forming a rolling demolding guide system.

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