CN220681359U - Sole forming die with shock-absorbing structure based on metal 3D prints - Google Patents

Abstract

The utility model discloses a sole forming die with a damping structure based on metal 3D printing, which comprises an upper die, a lower die, a top block, a left sliding block and a right sliding block, wherein a foamed plastic forming sole is molded in a cavity formed between the upper die and the lower die; the left sliding block and the right sliding block are arranged on the lower die plate in a sliding mode and are respectively located at two sides of the top block, inclined planes and convex dies are respectively machined at two sides of the left sliding block and the right sliding block, wedge blocks machined by the inclined planes and the upper die are matched, and the convex dies, the inserts and the core-pulling blocks jointly form a sole cavity with a damping structure. The device combines the upper core pulling mechanism, the lower core pulling mechanism, the left sliding block and the right sliding block through the design of the double-sided insert of the top seat, and can mold and form left and right soles with damping structures at one time.

Description

Sole forming die with shock-absorbing structure based on metal 3D prints

Technical Field

The utility model relates to the technical field of improved design of mould pressing mould structures with core pulling structures, in particular to a sole forming mould with a damping structure based on metal 3D printing.

Background

The traditional processing technology of the metal sole mould comprises the following steps: firstly, performing 3D design of a shoe mold according to a sole sample, and specifically completing computer-aided design of the shoe mold; then, respectively processing a bottom flower and a mold frame through CNC; then welding the ground pattern on the surface of the mold frame through discharge for assembly; finally, the final sole mould is obtained by carrying out surface treatment on the chemical liquid medicine bitten. The traditional metal sole mould has more production procedures and complex process, and the environmental protection requirement for the post-treatment of chemical liquid medicine biting is strict. Specifically, the metal sole mold adopts a chemical pattern-drying process to process the texture, the processing is very dependent on a manual process, a plurality of texture patterns cannot be realized, or distortion phenomenon is easy to occur in the texture, even if a photochemical film is used, the crease is difficult to avoid, and fine and expensive subsequent treatment is necessary; in addition, the chemical sun-drying texture of the die cannot be used for manufacturing three-dimensional textures or special-shaped curved surface textures, and the processed texture depth cannot be accurately controlled, so that the requirements of customers cannot be met; in addition, the casting and sun-drying processing technology has great environmental pollution, and the current environmental protection policy is not in good charge.

In the prior art, the patent with publication number CN210706168U discloses a sole forming die with a texture structure based on metal 3D printing, which belongs to the technical field of die manufacturing; the sole forming die comprises an upper die plate and a lower die plate which is arranged correspondingly to the upper die plate, wherein a forming male die is arranged on the upper die plate, a forming female die matched with the forming male die is arranged on the lower die plate, and the forming male die and the forming female die are matched and covered to form a sole die cavity; the lower die plate and the forming die are integrally formed, the forming dies are directly manufactured by adopting a metal 3D printing technology, and the side walls and/or the bottom surfaces of the forming dies and the forming dies are provided with three-dimensional texture structures. The utility model simplifies the production process of the sole metal mold texture, realizes the synchronous processing of the sole metal mold and the upper texture thereof, and eliminates the dependence of manual work on the sole metal mold texture restoration; the sole forming die can form textures at complex special-shaped curved surfaces or back-off positions, can accurately control the depth of the textures, and meets the requirements of texture diversification and individuation.

According to the technical scheme, the three-dimensional texture structure of the sole metal mold is printed by adopting metal 3D, so that the manufacturing process is simplified, the manufacturing and repairing difficulties are reduced, but the mold design can only be carried out by one mold and one cavity, and a core pulling structure is not involved, so that the sole molds matched with left and right feet are required to be synchronously designed during mass production.

In order to solve one of the problems, the application provides a sole forming die with a shock absorption structure based on metal 3D printing.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a sole forming die with a shock absorption structure based on metal 3D printing.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a sole forming die with shock-absorbing structure based on metal 3D prints, includes upper mould and lower mould, forms the foamed plastic shaping sole in the cavity that constitutes between upper mould and the lower mould, still includes kicking block and left slider and right slider, the kicking block be located between upper mould and the lower mould, all process the loose core piece that sets up relatively on upper mould and the lower mould, the left and right sides of kicking block is equipped with the mold insert respectively, the mold insert comprises the base plate, the surface of base plate prints shaping texture structure through metal 3D; the left sliding block and the right sliding block are arranged on the lower die plate in a sliding mode and are respectively located at two sides of the top block, inclined planes and convex dies are respectively machined at two sides of the left sliding block and the right sliding block, wedge blocks machined by the inclined planes and the upper die are matched, and the convex dies, the inserts and the core-pulling blocks jointly form a sole cavity with a damping structure.

Further, the top block comprises a double-sided seat, a left insert and a right insert are respectively machined on the left side and the right side of the double-sided seat, and texture structures machined on the left insert and the right insert correspond to vamp bottom flowers of the left sole and the right sole respectively.

Further, the top and the bottom of the double-sided seat are respectively provided with a limiting hole, the upper die and the lower die are respectively provided with a hole position matched with the limiting hole, and limiting columns can be inserted into the limiting holes and the hole positions.

Further, the middle parts of the upper die and the lower die are respectively provided with a groove for accommodating the ejector blocks, and two sides of the groove are respectively provided with a plurality of core pulling blocks.

Further, the upper die is also provided with a first core pulling block, a positioning block and a first azimuth groove, wherein the first azimuth groove is a triangular groove body with a side edge being processed.

Further, the two sides of the lower die are respectively provided with the second core pulling block, the positioning groove and the second azimuth groove, the positioning groove is matched with the positioning block, and the positions of the second azimuth groove and the first azimuth groove are corresponding.

Further, the left sliding block and the right sliding block have the same structure, the two sides of the left sliding block are respectively provided with a first inclined plane and a first male die, the two sides of the right sliding block are respectively provided with a second male die and a second inclined plane, and the first inclined plane and the second inclined plane are respectively matched with the two wedge blocks processed on the two sides of the upper die.

Further, the bottoms of the left sliding block and the right sliding block are provided with a plurality of sliding grooves, the two sides of the lower die are provided with sinking grooves capable of placing the left sliding block and the right sliding block, the sinking grooves are provided with a plurality of sliding rails, and the sliding grooves are arranged on the sliding rails in a sliding manner.

Further, the loose core block and the male die can be formed through metal 3D printing.

Further, the surface of the substrate is subjected to metal 3D printing forming of the texture structure after polishing treatment, and the material for the metal 3D printing forming adopts die steel powder, stainless steel powder or aluminum alloy powder.

Compared with the prior art, the utility model has the beneficial effects that: the device combines the upper and lower core pulling mechanisms with the left and right sliding blocks through the design of the double-sided insert of the top seat, can mold the left and right soles with the damping structure at one time, adopts the metal 3D to print the texture structures on the core pulling block, the male die and the insert, and can shorten the manufacturing period and improve the later die repairing efficiency.

Drawings

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a schematic diagram of an upper die of the present utility model;

FIG. 3 is a schematic view of a lower die of the present utility model;

FIG. 4 is a schematic diagram of a top block of the present utility model;

FIG. 5 is a schematic view of an insert of the present utility model;

FIG. 6 is a schematic view of the left and right sliders of the present utility model.

In the figure: 1. an upper die; 11. wedge blocks; 12. a first loose core block; 2. a lower die; 21. a slide rail; 22. a second loose core block; 3. a top block; 31. a double-sided seat; 32. an insert; 321. a substrate; 322. texture structure; 33. a limiting hole; 4. a left slider; 41. a first inclined surface; 42. a first chute; 43. a first punch; 5. a right slider; 53. and a second punch.

Detailed Description

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "fixed," "mounted," "connected," "disposed," and the like are to be construed broadly, e.g., when an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements.

The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, in a first embodiment of the present utility model, a sole forming mold with a shock absorbing structure based on metal 3D printing, the sole structure includes a bottom flower and side openings at the sole portion, the sole is made of a foam material, and has a certain elasticity, and a certain shock absorbing effect by combining the bottom flower and the side openings. The sole forming die comprises an upper die 1, a lower die 2, a top block 3, a left sliding block 4 and a right sliding block 5, wherein a cavity formed between the upper die 1 and the lower die 2 is used for forming soles by compression molding foaming plastic, the top block 3 is positioned between the upper die 1 and the lower die 2, core-pulling blocks which are oppositely arranged are processed on the upper die 1 and the lower die 2, the core-pulling blocks are provided with a plurality of core-pulling blocks which are symmetrically arranged up and down and are used for forming side holes of sole parts, the left side and the right side of the top block 3 are respectively provided with an insert 32, the insert 32 consists of a base plate 321, the surface of the base plate 321 is printed with a forming texture structure 322 through metal 3D, namely, the left side and the right side of the insert 32 are respectively provided with a texture structure 322 meeting the flower of the sole of a left foot and a right foot, and the shape of the specific texture structure 322 is designed according to requirements, and details are omitted; the left slide block 4 and the right slide block 5 are both arranged on the lower die 2 plate in a sliding way and are respectively positioned at two sides of the top block 3, inclined planes and convex dies are respectively processed at two sides of the left slide block 4 and the right slide block 5, the inclined planes are matched with wedge blocks processed by the upper die 1, and the convex dies, the insert 32 and the core-pulling blocks jointly form a sole cavity with a damping structure.

In the second embodiment, based on the technical solution of the first embodiment, a sole forming mold with a damping structure based on metal 3D printing, for the structure of the top block 3, the top block 3 includes a double-sided seat 31, left inserts 32 and right inserts 32 are respectively processed on the left and right sides of the double-sided seat 31, and textures 322 processed on the left inserts 32 and the right inserts 32 respectively correspond to the bottoms of the uppers of the left sole and the right sole, as shown in fig. 4 and 5. The top and the bottom of the double-sided seat 31 are respectively provided with a limit hole 33, the upper die 1 and the lower die 2 are respectively provided with a hole position matched with the limit hole 33, and limit posts can be inserted into the limit holes 33 and the hole positions for positioning. For the double-sided seat 31, stainless steel is selected as a material, the structures of the base plate 321 and the limiting hole 33 are processed through a numerical control machine tool, then the surface of the base plate 321 is polished, and finally the texture structure 322 is manufactured on the surface of the base plate 321 through a 3D printing device.

Further, as shown in fig. 2 and fig. 3, the middle parts of the upper die 1 and the lower die 2 are respectively processed with a groove for accommodating the top block 3, two sides of the groove are respectively processed with a plurality of core-pulling blocks, specifically, the upper die 1 is also processed with a first core-pulling block 12, a positioning block and a first positioning groove, and the first positioning groove is a triangular groove body with a side edge processed; the two sides of the lower die 2 are respectively provided with a second core pulling block 22, a positioning groove and a second azimuth groove, the positioning grooves are matched with the positioning blocks, the positions of the upper die 1 and the lower die 2 are matched, the positions of the second azimuth groove and the first azimuth groove are corresponding, and the two azimuth grooves are designed mainly for corresponding placement positions so as to avoid the back and forth of the reverse die plate.

In the third embodiment, based on the technical solution of the first embodiment, in the sole forming mold with a shock-absorbing structure based on metal 3D printing, as shown in fig. 6, for the left slider 4 and the right slider 5, the structures of the left slider 4 and the right slider 5 are the same, the two sides of the left slider 4 are respectively provided with a first inclined plane 41 and a first convex die 43, the two sides of the right slider 5 are respectively provided with a second convex die 53 and a second inclined plane, the first inclined plane 41 and the second inclined plane are respectively matched with two wedges machined on the two sides of the upper mold 1, and as can be seen in conjunction with fig. 2 and 6, the two sliders can make the upper mold 1 move upwards under the action of the tensile force to complete the top demolding action of the side core pulling mechanism. The bottom of left slider 4 and right slider 5 processing have a plurality of spouts, and lower mould 2 both sides processing has the heavy groove that can place left slider 4 and right slider 5, processing has a plurality of slide rails 21 on the heavy groove, and the spout slides and sets up on slide rail 21.

In the fourth embodiment, on the basis of the technical solution of the first embodiment, a sole molding mold with a damping structure based on metal 3D printing comprises an upper mold 1 and a lower mold 2, wherein a foamed plastic molding sole is molded in a cavity formed between the upper mold 1 and the lower mold 2, the sole molding mold further comprises a top block 3, a left sliding block 4 and a right sliding block 5, the top block 3 is positioned between the upper mold 1 and the lower mold 2, core pulling blocks which are oppositely arranged are processed on the upper mold 1 and the lower mold 2, inserts 32 are respectively arranged on the left side and the right side of the top block 3, the inserts 32 are composed of a substrate 321, and the surface of the substrate 321 is provided with a molding texture structure 322 through metal 3D printing, namely, the left side and the right side of the inserts 32 are respectively provided with a texture structure 322 which meets the left and right foot sole flowers; the left slide block 4 and the right slide block 5 are both arranged on the lower die 2 plate in a sliding way and are respectively positioned at two sides of the top block 3, inclined planes and convex dies are respectively processed at two sides of the left slide block 4 and the right slide block 5, the inclined planes are matched with wedge blocks processed by the upper die 1, and the convex dies, the insert 32 and the core-pulling blocks jointly form a sole cavity with a damping structure.

Further, the core pulling block and the male die can be formed by metal 3D printing, the surface of the base plate 321 is formed by metal 3D printing of the texture structure 322 after polishing treatment, the post-treatment procedure of the texture structure 322 on the insert 32 can be omitted, the bottom surface finish of the texture structure 322 can be improved, the bottom flower of the sole obtained by die pressing is clear, and the metal 3D printing and forming material adopts die steel powder, stainless steel powder or aluminum alloy powder.

A method of metal 3D printed sole molding die with shock absorbing structure, comprising the steps of: firstly, establishing a three-dimensional model of a sole forming die through computer drawing software, wherein the three-dimensional model comprises an upper die 1, a lower die 2, a top block 3 and a sliding block, and performing three-dimensional modeling design on the characteristics of a texture structure 322 on the basis of an insert 32 model of the top block 3 to obtain three-dimensional modeling data which accords with the production requirement of sole products; then polishing the upper surface of a substrate 321 of the insert 32, automatically or manually repairing and converting three-dimensional modeling data of a texture structure 322 into a file which can be identified and printed by metal additive manufacturing equipment through additive manufacturing software, slicing and layering the identified and printed file by using the additive manufacturing software to obtain 3D slice printing data; finally, the 3D slice printing data are imported into metal additive manufacturing equipment, and 3D printing is performed on the substrate 321 of the insert 32 after printing parameters are set; the 3D printing parameters include powder laydown thickness, laser layer-by-layer scan path and rate, laser sintering power, and so on, which are repeated, and the 3D slice printing data is stacked layer-by-layer by laser metal powder sintering until printing is completed to obtain the desired texture 322. In addition, the profile processing of the upper die 1, the lower die 2, the top block 3 and the sliding blocks is processed by a conventional numerical control machine tool, and the 3D printing of the core pulling block and the male die refers to the operation steps of the texture structure 322 of the insert 32, which are not described in detail herein, the top block 3 and the left and right sliding blocks are firstly placed on the lower die 2, then the upper die 1 and the lower die 2 are clamped, and finally the surface treatment and the inspection delivery are performed.

The numerical control machining and the metal 3D printing machining are selected as the prior art or materials, and the skilled person can directly purchase or order according to the required product model and specification.

In the foregoing description, only the preferred embodiment of the present utility model is described, but the common general knowledge of the specific structure and characteristics of the present utility model is not described in any detail. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the present embodiments are to be considered in all respects as illustrative and not restrictive, and any equivalents and modifications thereof according to the technical scheme and the inventive concept thereof, which are within the scope of the present disclosure, are intended to be included in the scope of the present disclosure.

Claims (10)

1. The utility model provides a sole forming die with shock-absorbing structure based on metal 3D prints, includes mould (1) and lower mould (2) on, forms the foaming plastic shaping sole in the cavity that constitutes between mould (1) and the lower mould (2), its characterized in that still includes kicking block (3) and left slider (4) and right slider (5), kicking block (3) be located between mould (1) and lower mould (2), all process the loose core piece that has the relative setting on mould (1) and the lower mould (2), be equipped with mold insert (32) respectively in kicking block (3) left and right sides, mold insert (32) are constituteed by base plate (321), the surface of base plate (321) prints shaping texture (322) through metal 3D; the left sliding block (4) and the right sliding block (5) are both arranged on the lower die (2) in a sliding manner and are respectively positioned at two sides of the top block (3), two sides of the left sliding block (4) and the right sliding block (5) are respectively provided with an inclined plane and a male die, the inclined plane is matched with a wedge block processed by the upper die (1), and the male die, the insert (32) and the core-pulling block jointly form a sole cavity with a damping structure.

2. The sole forming die with the shock-absorbing structure based on the metal 3D printing according to claim 1, wherein the top block (3) comprises a double-sided seat (31), a left insert (32) and a right insert (32) are respectively machined on the left side and the right side of the double-sided seat (31), and textures (322) machined on the left insert (32) and the right insert (32) correspond to vamp bottoms of the left sole and the right sole respectively.

3. The sole forming die with the shock absorption structure based on the metal 3D printing of claim 2 is characterized in that limiting holes (33) are respectively formed in the top and the bottom of the double-sided base (31), the upper die (1) and the lower die (2) are respectively provided with a hole site matched with the limiting holes (33), and limiting columns can be inserted into the limiting holes (33) and the hole sites.

4. The sole forming die with the shock absorption structure based on the metal 3D printing of claim 3 is characterized in that grooves for accommodating the top blocks (3) are respectively formed in the middle of the upper die (1) and the lower die (2), and a plurality of core pulling blocks are respectively formed in two sides of each groove.

5. The sole forming die with the shock absorption structure based on the metal 3D printing of claim 4, wherein the upper die (1) is further provided with a first core pulling block (12), a positioning block and a first azimuth groove, and the first azimuth groove is a triangular groove body with a side edge being processed.

6. The sole forming die with the shock absorption structure based on the metal 3D printing of claim 5, wherein the two sides of the lower die (2) are respectively provided with a second core pulling block (22), a positioning groove and a second azimuth groove, the positioning groove is matched with the positioning block, and the positions of the second azimuth groove and the first azimuth groove are corresponding.

7. The sole forming die with the shock-absorbing structure based on metal 3D printing according to claim 1 is characterized in that the left sliding block (4) and the right sliding block (5) are identical in structure, a first inclined surface (41) and a first convex die (43) are respectively arranged on two sides of the left sliding block (4), a second convex die (53) and a second inclined surface are respectively machined on two sides of the right sliding block (5), and the first inclined surface (41) and the second inclined surface are respectively matched with two wedge blocks machined on two sides of the upper die (1).

8. The sole forming die with the shock-absorbing structure based on the metal 3D printing of claim 7, wherein a plurality of sliding grooves are formed in the bottoms of the left sliding block (4) and the right sliding block (5), sinking grooves capable of being used for placing the left sliding block (4) and the right sliding block (5) are formed in the two sides of the lower die (2), a plurality of sliding rails (21) are formed in the sinking grooves, and the sliding grooves are slidably arranged on the sliding rails (21).

9. The sole molding die with the shock absorption structure based on metal 3D printing according to any one of claims 1 to 8, wherein the core pulling block and the male die can be molded through metal 3D printing.

10. The sole molding die with the shock absorption structure based on metal 3D printing according to claim 9, wherein the surface of the base plate (321) is subjected to metal 3D printing molding of the texture structure (322) after polishing treatment, and the metal 3D printing molding material adopts die steel powder, stainless steel powder or aluminum alloy powder.