Shoe sole forming mold with damping structure based on 3D printing

Abstract

According to the shoe sole forming mold based on 3D printing and provided with the damping structure, the rotating shaft is rotationally connected into the rotating hole formed by combining the first groove and the second groove, so that the rotating shaft rotates anticlockwise to drive the protrusion on the rotating shaft to rotate leftwards in the movable groove; when the left side face of the protrusion rotates to make contact with the arc-shaped face on the ejection column, the rotating shaft continues to be rotated anticlockwise, the protrusion on the rotating shaft slides on the arc-shaped face, the ejection column can be ejected out of the telescopic groove, then the tiptoe part of a formed shoe sole in the female die can be ejected out of the female die, and the shoe sole can be conveniently taken out of the female die.

Description

Technical Field

[0001] The utility model relates to a sole forming mold with a shock-absorbing structure based on 3D printing, and belongs to the technical field of sole forming molds. Background Art

[0002] The sole forming mold is used for forming and molding the sole. This mold has the characteristics of strong structure, durability, and easy cleaning, which can help shoe factories produce soles quickly and efficiently. According to the different designs and sizes of the soles, it is usually necessary to customize the molds of corresponding sizes and shapes. The use of sole forming molds can ensure the quality and accuracy of the soles, improve production efficiency and product quality. With the development of technology, the sole forming mold has gradually evolved from the initial machine tool turning manufacturing to 3D printing manufacturing. Compared with machine tool turning, the sole forming mold manufactured by 3D printing is more accurate and the pattern structure is easier to form.

[0003] For example, a Chinese utility model patent with the announcement number CN210706168U provides a "sole forming mold with a texture structure based on metal 3D printing". It simplifies the production process of the sole metal mold texture through 3D printing technology, realizes the synchronous processing of the sole metal mold and the texture on it, and eliminates the dependence on manual repair of the sole metal mold texture; the sole forming mold can form textures on complex special-shaped surfaces or inverted positions, and can accurately control the texture depth to meet the needs of texture diversification and personalization. However, after research, it was found that the sole forming mold mentioned in the above patent has certain inconveniences when taking the sole out of the forming die after the sole is formed; at the same time, the sole formed by the sole forming mold mentioned in the above patent does not have a shock-absorbing structure. Therefore, the utility model proposes a sole forming mold with a shock-absorbing structure based on 3D printing to solve the problems existing in the above patent. Utility Model Content

[0004] Based on the above background, the purpose of the utility model is to provide a sole forming mold with a shock-absorbing structure based on 3D printing to solve the problems in the background technology.

[0005] The utility model provides the following technical solutions:

[0006] A sole forming mold with a shock-absorbing structure based on 3D printing, comprising an upper template and a lower template, wherein the bottom of the upper template is provided with a convex mold for forming the top of the sole, the top of the lower template is provided with a concave mold for forming the bottom of the sole, the space between the convex mold of the upper template bottom plate and the concave mold on the top of the lower template is used for high-temperature pressing and forming the sole, the bottom of the lower template is provided with a lifting mechanism, and the right side wall of the lower template is provided with a sliding mechanism; the lifting mechanism comprises a mounting groove opened in the center of the bottom of the lower template, the top wall of the mounting groove is provided with a semicircular first groove, a bottom plate is detachably connected to the mounting groove, a semicircular second groove is provided on the top of the bottom plate, the first groove and the second groove are combined to form a rotating hole, a rotating shaft is rotatably connected to the rotating hole, and the front end of the rotating shaft extends out of the front end surface of the lower template.

[0007] Preferably, the lifting mechanism also includes a lifting column, a telescopic groove is provided inside the concave mold of the lower template near the toe position of the sole, the telescopic groove is connected to the first groove, the lifting column is movably arranged in the telescopic groove, an arc-shaped movable groove is provided on the right side wall of the telescopic groove, the movable groove is coaxially arranged with the rotating hole and the movable groove is connected to the first groove, a protrusion is provided on the part of the rotating shaft located in the movable groove, the protrusion is slidably fitted with the movable groove, and an arc-shaped surface is provided on the bottom of the lifting column near the top edge of one end of the protrusion.

[0008] Preferably, the sliding mechanism comprises a slide groove, wherein the slide groove is arranged on the top surface of the lower template corresponding to the heel position of the sole, the left end of the slide groove passes through the concave mold of the lower mold, a slider is slidably connected in the slide groove, an irregular plane with the same shape as the inner wall of the concave mold at the corresponding position is arranged on an end surface of the slider close to the inside of the concave mold, a plurality of forming columns for forming the cavity at the heel position of the sole is arranged on the irregular plane, a plurality of matching grooves are arranged on one surface corresponding to the plurality of forming columns in the concave mold of the lower template, the forming columns can be inserted into the matching grooves, a first plug-in hole is arranged on the top of the slide groove, a second plug-in hole is arranged at the top of the upper template corresponding to the coaxial position of the first plug-in hole, a limiting groove is arranged at the bottom of the slide groove corresponding to the coaxial position of the first plug-in hole, and the limiting column can be detachably inserted in the limiting groove and the second plug-in hole of the first plug-in hole.

[0009] Preferably, the upper mold and the punch at the bottom thereof, the lower mold and the die at the top thereof, the rotating shaft, the bottom plate, the limiting column, the top column and the sliding block can be formed by 3D printing using mold steel powder or stainless steel powder.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] The utility model discloses a sole forming mold with a shock absorbing structure based on 3D printing. A rotating shaft is rotatably connected to a rotating hole composed of a first groove and a second groove, so that the rotating shaft can drive a protrusion on the rotating shaft to rotate leftward in a movable groove by counterclockwise rotation. When the left side surface of the protrusion rotates to contact the arc surface on the top column, the rotating shaft continues to rotate counterclockwise, and the protrusion on the rotating shaft slides on the arc surface, so that the top column can be ejected from the telescopic groove, and then the toe part of the sole formed in the concave mold can be ejected from the concave mold, so that the sole can be taken out of the concave mold conveniently.

[0012] The utility model discloses a sole forming mold with a shock-absorbing structure based on 3D printing. A slider is slidably connected in an opened slide groove, and a forming column is arranged on an irregular plane of the slider close to the inside of a die. When forming the sole, the utility model has the condition of being able to form a sole with a shock-absorbing cavity at the heel part of the sole. The slider is fixed in the slide groove by inserting the limiting column in the limiting groove and passing through the first plug hole and the second plug hole at the same time, so that the formed sole can be more conveniently separated from the die. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the upper template structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the lower template structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the bottom template structure of the utility model when viewed from above;

[0017] Figure 4 It is a schematic diagram of the top column structure of the utility model;

[0018] Figure 5 It is a schematic diagram of the bottom plate structure of the utility model;

[0019] Figure 6 It is a schematic diagram of the rotating shaft structure of the utility model;

[0020] Figure 7 It is a schematic structural diagram of the position relationship between the slider and the limiting column of the utility model.

[0021] In the figure: 1. upper template; 2. lower template; 3. lifting mechanism; 301. mounting groove; 302. first groove; 303. bottom plate; 304. second groove; 305. rotating shaft; 306. lifting column; 307. telescopic groove; 308. movable groove; 309. protrusion; 310. arc surface; 4. sliding mechanism; 401. slide groove; 402. slider; 403. irregular plane; 404. forming column; 405. matching groove; 406. first plug-in hole; 407. second plug-in hole; 408. limiting groove; 409. limiting column; 5. punch; 6. die; 7. bayonet. DETAILED DESCRIPTION

[0022] The technical solution of the utility model is further described in detail below through specific embodiments and in combination with the accompanying drawings. It should be understood that the implementation of the utility model is not limited to the following embodiments, and any form of modification and / or change made to the utility model will fall within the protection scope of the utility model.

[0023] In the present invention, unless otherwise specified, all parts and percentages are weight units, and the equipment and raw materials used can be purchased from the market or are commonly used in the field. The methods in the following embodiments, unless otherwise specified, are conventional methods in the field. The components or equipment in the following embodiments, unless otherwise specified, are universal standard parts or components known to those skilled in the art, and their structures and principles are known to those skilled in the art through technical manuals or conventional experimental methods.

[0024] The following is a detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. In the following detailed description, for ease of explanation, many specific details are described to provide a comprehensive understanding of the embodiments of the present invention. However, one or more embodiments may also be implemented by those skilled in the art without these specific details.

[0025] like Figure 1-Figure 7As shown, a sole forming mold with a shock-absorbing structure based on 3D printing comprises an upper template 1 and a lower template 2, wherein a convex mold 5 for forming the top of the sole is provided at the bottom of the upper template 1, a concave mold 6 for forming the bottom of the sole is provided at the top of the lower template 2, and a space between the convex mold 5 of the bottom plate 303 of the upper template 1 and the concave mold 6 at the top of the lower template 2 is used for high-temperature pressing and forming the sole, a lifting mechanism 3 is provided at the bottom of the lower template 2, and a sliding mechanism 4 is provided on the right side wall of the lower template 2; the lifting mechanism 3 comprises a mounting groove 301 opened at the center of the bottom of the lower template 2, a semicircular first groove 302 is provided on the top wall of the mounting groove 301, a bottom plate 303 is detachably connected in the mounting groove 301, a semicircular second groove 304 is provided on the top of the bottom plate 303, the first groove 302 and the second groove 304 are combined to form a rotating hole, and the rotating hole is rotated. The jacking mechanism 3 also includes a top column 306, a telescopic groove 307 is provided near the toe of the sole inside the concave mold 6 of the lower template 2, and the telescopic groove 307 is connected to the first groove 302. The top column 306 is movably arranged in the telescopic groove 307. An arc-shaped movable groove 308 is provided on the right side wall of the telescopic groove 307. The movable groove 308 is coaxially arranged with the rotating hole and the movable groove 308 is connected to the first groove 302. A protrusion 309 is provided on the part of the rotating shaft 305 located in the movable groove 308, and the protrusion 309 is slidably matched with the movable groove 308. An arc-shaped surface 310 is provided on the top edge of the bottom of the top column 306 near one end of the protrusion 309, and a bayonet 7 for clamping the protrusion of the rotating shaft 305 is provided at a top surface of the bottom plate 303.

[0026] In the above technical scheme, a lifting structure is provided to lift up the end of the molded sole near the toe in the die 6 of the lower template 2, so as to facilitate the removal of the molded sole from the die 6. By providing a sliding mechanism 4, it can be used to mold the cavity near the heel of the sole without affecting the removal of the molded sole from the die 6.

[0027] In the above technical solution, by setting a rotation connection in a rotating hole composed of a first groove 302 and a second groove 304, the rotating shaft 305 can rotate counterclockwise to drive the protrusion on the rotating shaft 305 to rotate leftward in the movable groove 308. When the left side of the protrusion rotates to contact the arc surface 310 on the top column 306, the rotating shaft 305 continues to rotate counterclockwise, and the protrusion on the rotating shaft 305 slides on the arc surface 310, so that the top column 306 can be ejected from the telescopic groove 307, and then the formed toe part of the sole in the die 6 can be ejected from the die 6, so that the sole can be taken out of the die 6 conveniently.

[0028] In the present invention, the sliding mechanism 4 includes a slide groove 401, which is opened on the top surface of the lower template 2 at the heel position of the sole, and the left end of the slide groove 401 penetrates into the concave mold 6 of the lower mold, and a slider 402 is slidably connected in the slide groove 401. An irregular plane 403 with the same shape as the inner wall of the concave mold 6 at the corresponding position is provided on the end surface of the slider 402 close to the inner surface of the concave mold 6, and a plurality of molding columns 404 for molding the cavity at the heel position of the sole are provided on the irregular plane 403. The concave mold 6 of the lower template 2 A plurality of matching grooves 405 are provided on one side corresponding to the plurality of forming columns 404, and the forming columns 404 can be inserted into the matching grooves 405. A first plug-in hole 406 is provided on the top of the slider 402, and a second plug-in hole 407 is provided on the top of the upper template 1 at a coaxial position corresponding to the first plug-in hole 406. A limiting groove 408 is provided at the bottom of the slide groove 401 at a coaxial position corresponding to the first plug-in hole 406. A limiting column 409 can be detachably inserted in the limiting groove 408 and the second plug-in hole 407 of the first plug-in hole 406.

[0029] In the above technical scheme, by slidingly connecting the slider 402 in the opened slide groove 401 and arranging the forming column 404 on the slider 402 on the irregular plane 403 near the inside of the die 6, the utility model has the conditions for forming a sole with a shock-absorbing cavity in the heel part of the sole when forming the sole, and the slider 402 is fixed in the slide groove 401 by inserting the limiting column 409 into the limiting groove 408 and passing through the first plug hole 406 and the second plug hole 407 at the same time, so that the formed sole can be more conveniently separated from the die 6.

[0030] In the present invention, the upper template 1 and the punch 5 at its bottom, the lower template 2 and the concave mold 6 at its top, the rotating shaft 305, the bottom plate 303, the limiting column 409, the top column 306 and the slider 402 can all be formed by 3D printing using mold steel powder or stainless steel powder.

[0031] The working principle of the sole forming mold with a shock-absorbing structure based on 3D printing in the utility model is:

[0032] When in use, firstly, the components of each sole forming mold mentioned in the utility model are printed out by 3D printing technology, and the rotating shaft 305 is placed in the second groove 304 on the top surface of the bottom plate 303. During this process, the raised part on the rotating shaft 305 is located in the bayonet 7 at the top of the bottom plate 303, and then the bottom plate 303 is plugged into the mounting groove 301, and the bottom plate 303 is detachably fixedly connected with the lower template 2 by bolts, and the top column 306 is placed in the telescopic groove 307. It is worth noting that when the top column 306 is placed in the telescopic groove 307, the arc surface 310 at the top and bottom needs to be aligned with the raised position on the rotating shaft 305, and then the slider 402 is placed in the slide groove 401, and the limiting column 409 is inserted into the first plug hole 406 and inserted into the limiting groove 408 to fix the position of the slider 402 in the slide groove 401, and finally the molding material is injected into the concave mold 6, and the upper template 1 is covered on the lower template 2, and the molding material can be formed into a sole through high-temperature forging. When taking the sole out of the die 6, first remove the upper template 1, pull out the limiting column 409, extract the forming column 404 and the slider 402 from the formed sole, rotate the rotating shaft 305 counterclockwise to drive the protrusion on the rotating shaft 305 to rotate leftward in the movable groove 308, and when the left side of the protrusion rotates to contact the curved surface 310 on the push column 306, continue to rotate the rotating shaft 305 counterclockwise, and the protrusion on the rotating shaft 305 slides on the curved surface 310, so that the push column 306 can be pushed out of the telescopic groove 307, and then the toe part of the sole formed in the die 6 can be pushed out of the die 6, and then the toe part of the sole can be pinched to pull the sole out of the die 6.

[0033] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A sole forming mold with a shock-absorbing structure based on 3D printing, characterized in that: The invention comprises an upper template (1) and a lower template (2); the upper template (1) has a convex mold (5) at the bottom for molding the top of the sole, the lower template (2) has a concave mold (6) at the top for molding the bottom of the sole, the space between the convex mold (5) of the bottom plate (303) of the upper template (1) and the concave mold (6) at the top of the lower template (2) is used for high-temperature pressing to mold the sole, the lower template (2) has a lifting mechanism (3) at the bottom, and the right side wall of the lower template (2) is provided with a sliding mechanism (4); the lifting mechanism (3) comprises a slotted slot A mounting groove (301) is provided at the center of the bottom of the lower template (2), and a semicircular first groove (302) is provided on the top wall of the mounting groove (301). A bottom plate (303) is detachably connected in the mounting groove (301), and a semicircular second groove (304) is provided on the top of the bottom plate (303). The first groove (302) and the second groove (304) are combined to form a rotating hole, and a rotating shaft (305) is rotatably connected in the rotating hole, and the front end of the rotating shaft (305) extends out of the front end surface of the lower template (2).

2. A 3D printing-based sole forming mold with a shock-absorbing structure according to claim 1, characterized in that: The lifting mechanism (3) further comprises a lifting column (306), a telescopic groove (307) is provided inside the concave mold (6) of the lower mold plate (2) near the toe of the sole, the telescopic groove (307) is connected to the first groove (302), the lifting column (306) is movably arranged in the telescopic groove (307), an arc-shaped movable groove (308) is provided on the right side wall of the telescopic groove (307), the movable groove (308) is coaxially provided with the rotating hole and the movable groove (308) is connected to the first groove (302), a convex block (309) is provided on the part of the rotating shaft (305) located inside the movable groove (308), the convex block (309) and the movable groove (308) are slidably matched, and an arc-shaped surface (310) is provided on the top edge of the bottom of the lifting column (306) near one end of the convex block (309).

3. The sole forming mold with a shock absorbing structure based on 3D printing according to claim 2, characterized in that: The sliding mechanism (4) comprises a slide groove (401), wherein the slide groove (401) is provided on the top surface of the lower mold plate (2) at a position corresponding to the heel of the sole, the left end of the slide groove (401) penetrates into the concave mold (6) of the lower mold, a slider (402) is slidably connected in the slide groove (401), an irregular plane (403) having the same shape as the inner wall of the concave mold (6) at the corresponding position of the slider (402) is provided on one end surface of the slider (402) close to the inside of the concave mold (6), a plurality of molding columns (404) for molding the cavity at the heel position of the sole are provided on the irregular plane (403), and the concave mold (6) of the lower mold plate (2) is provided with a plurality of molding columns (404) for molding the cavity at the heel position of the sole. A plurality of matching grooves (405) are provided on one side corresponding to the plurality of forming columns (404), the forming columns (404) can be inserted into the matching grooves (405), a first plug-in hole (406) is provided on the top of the slider (402), a second plug-in hole (407) is provided on the top of the upper template (1) at a coaxial position corresponding to the first plug-in hole (406), a limiting groove (408) is provided on the bottom of the slide groove (401) at a coaxial position corresponding to the first plug-in hole (406), and a limiting column (409) can be detachably inserted in the limiting groove (408) and the second plug-in hole (407) of the first plug-in hole (406).

4. The shoe sole forming mold with a shock absorbing structure based on 3D printing according to claim 3, characterized in that: The upper mold (1) and the male mold (5) at its bottom, the lower mold (2) and the female mold (6) at its top, the rotating shaft (305), the bottom plate (303), the limiting pillar (409), the top pillar (306) and the sliding block (402) can all be formed by 3D printing using mold steel powder or stainless steel powder.

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