CN215703686U

CN215703686U - Production mould of plastics sole

Info

Publication number: CN215703686U
Application number: CN202122268724.2U
Authority: CN
Inventors: 李培勇
Original assignee: Dongguan Yonghong Mould Co ltd
Current assignee: Dongguan Yonghong Mould Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-02-01
Anticipated expiration: 2031-09-17

Abstract

The utility model belongs to the technical field of forming dies of soles or components thereof, and particularly relates to a plastic sole producing die which comprises an upper die body, a lower die body, a rotating assembly, a locking assembly and other structures. The rear sides of the upper die body and the lower die body are connected through a rotating assembly, and the upper die body can rotate relative to the lower die body. And the front sides of the upper die body and the lower die body are connected with locking assemblies, and the upper die body and the lower die body are locked together through the locking assemblies. Because last die body and lower die body all often adopt tailor-made metal material, are difficult to weld to because rotating assembly and locking Assembly are in the use, if take place wearing and tearing or warp and need change in time, the connected mode of fastening nail subassembly and groove spare guarantees rotating assembly and locking Assembly's removable, provides prosthetic possibility for structure deformation, each part size design mistake, or when ann connects the dislocation.

Description

Production mould of plastics sole

Technical Field

The utility model belongs to the technical field of forming dies of soles or components thereof, and particularly relates to a production die of plastic soles.

Background

Along with the improvement of living standard of people, people have different demands on styles and brands required by shoes, and the consumption of the shoes is more and more. The sole is an important component of the shoe, the sole is made of rubber, and the sole must have wear resistance, good elasticity, water resistance, comfort and light flexibility, so that the foamed sole is a material applied at present, the most commonly used manufacturing method at present comprises a plastic suction process, plastic suction belongs to one of plastic processing processes, the main principle is that after a flat plastic hard sheet is heated and softened, the plastic hard sheet is absorbed on the surface of a mould in vacuum, and the plastic hard sheet is cooled and formed, so that the sole is widely applied to industries such as plastic packaging, lamp decoration, advertisement and decoration.

The plastic suction forming mold is often used in the plastic suction forming production, and the common plastic suction forming mold comprises a plaster mold, an electroplated copper mold, and the like, wherein the plastic suction forming mold comprises the plaster mold which is the lowest cost, and the aluminum mold is the most expensive. In the product manufacturing process, in order to improve the product buffering effect or the shock absorption effect, some foaming materials including EVA, PU, TPU and the like are often used, and the materials are applied to the aspects of shoe materials, hoses, cable sheaths, films, synthetic leather, mobile phone covers, rollers, automobile accessories, adhesives, textile coatings, labels and the like. In the manufacturing process of the sole, the materials can be used, and in some brands of shoes, PU materials are also selected as one of the main materials for manufacturing the sole and the sole of the sports shoe.

Because two moulds carry out the lock about current mould often all adopts, often need rotate between two moulds and connect and the locking, but current mould material often has great difference with the material of articulated elements or retaining member, make articulated elements or retaining member often be difficult to weld on the mould, and if there is the gap in two moulds about welding back, then will cause scrapping of two moulds, design an articulated elements and retaining member and two upper and lower mould detachable production moulds, become the problem that remains to solve.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of connection between the upper mold body and the lower mold body of the existing sole production mold, the scheme provides a production mold for plastic soles.

The technical scheme adopted by the utility model is as follows:

a production mold of a plastic sole comprises an upper mold body, a lower mold body, a rotating assembly and a locking assembly;

the upper die body is in a square plate shape, and the lower surface of the upper die body is provided with an inner molding surface for molding the inner surface of the sole;

the lower die body is in a square plate shape, a forming groove is formed in the upper surface of the lower die body, and an outer forming surface for forming the outer surface of the sole is formed by groove walls of the forming groove;

the rotating assembly comprises a first groove part and a second groove part, the first groove part is connected to the edge of the upper die body, the second groove part is connected to the edge of the lower die body, and the first groove part and the second groove part are rotatably connected;

the locking assembly comprises a third groove piece, a fourth groove piece, a first lock sleeve, a second lock sleeve, a third lock sleeve and a lock rod; the third groove piece is connected to the edge of the upper die body and is positioned on the opposite side of the first groove piece; the fourth groove part is connected to the edge of the lower die body and is positioned on the opposite side of the second groove part; the first lock sleeve is fixedly connected to the third groove member, and the second lock sleeve and the third lock sleeve are fixedly connected to the fourth groove member; when the upper die body is overlapped with the lower die body, the first lock sleeve, the second lock sleeve and the third lock sleeve are coaxial and are penetrated by the lock rod to be locked.

As a complementary design or alternative structure of the production mold of the plastic sole of the utility model: the rotating assembly further comprises an upper sleeve, a lower sleeve and a central shaft; one side of the first groove piece, which is back to the upper die body, is connected with a plurality of upper sleeves, and one side of the second groove piece, which is back to the lower die body, is connected with a plurality of lower sleeves; the upper sleeve and the lower sleeve are arranged alternately and are positioned on the same straight line, and the central shaft penetrates into all the upper sleeves and the lower sleeves.

As a complementary design or alternative structure of the production mold of the plastic sole of the utility model: the third groove piece is connected with an upper handle, and the fourth groove piece is connected with a lower handle; the upper handle and the lower handle are arranged in a staggered manner.

As a complementary design or alternative structure of the production mold of the plastic sole of the utility model: two forming grooves are arranged on the lower die body and respectively correspond to the sole of the left foot and the sole of the right foot.

As a complementary design or alternative structure of the production mold of the plastic sole of the utility model: through holes communicated with each other are formed between the forming grooves, a plurality of exhaust holes are formed in the side walls of the forming grooves, and outlets of the exhaust holes are located on the side face of the lower die body.

As a complementary design or alternative structure of the production mold of the plastic sole of the utility model: the lower part of the lower die body is detachably connected with a seat board which is in a square plate shape.

As a complementary design or alternative structure of the production mold of the plastic sole of the utility model: the production mould also comprises a plurality of fastening nail components, and the lower mould body and the seat plate are detachably connected with the fourth channel piece or the second channel piece through partial fastening nail components; another portion of the fastener assembly removably attaches the first channel member or the third channel member to the upper mold body.

As a complementary design or alternative structure of the production mold of the plastic sole of the utility model: the fastening nail component comprises a screw and a nut column, and the screw is in threaded fit with the nut column.

As a complementary design or alternative structure of the production mold of the plastic sole of the utility model: the upper die body and the lower die body are both formed by 3D printing of metal powder materials.

As a complementary design or alternative structure of the production mold of the plastic sole of the utility model: the lower surface of the upper die body is provided with a plurality of alignment bulges, and the upper surface of the lower die body is provided with a plurality of alignment grooves which are in one-to-one correspondence with the alignment bulges.

The utility model has the beneficial effects that:

1. in the connection process of the rotating assembly and the upper die body and the lower die body, the edge of the upper die body is connected through the first groove piece, the edge of the lower die body is connected through the second groove piece, and then the upper die body and the lower die body are detachably connected through the screws or the pins, so that the upper die body and the lower die body do not need to be welded and connected, the connection of the upper die body or the lower die body is facilitated, and the condition of repairing or replacing structural deformation in the connection process is provided;

2. locking Assembly in this scheme also adopts releasable connection's mode to be connected to the border of last die body and lower die body, has further guaranteed the counterpoint cooperation of last die body or lower die body, provides the possibility for structural deformation, each part size design mistake, perhaps repair and change when ann's connection dislocation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a structural diagram of the upper mold body and the lower mold body in the scheme when the upper mold body and the lower mold body are opened;

FIG. 2 is a schematic diagram of the upper mold body and the lower mold body in an overlapping manner according to the present embodiment;

FIG. 3 is a partial cross-sectional view of the third channel member of the present version shown connected to the upper mold body by a fastener assembly;

FIG. 4 is a partial cross-sectional view of the fourth channel member, base and upper mold body in this embodiment shown connected by a fastener assembly;

fig. 5 is a structural view of a shoe sole molded in the present embodiment.

In the figure: 1-upper die body; 11-an inner forming surface; 12-alignment convex; 2-lower die body; 21-an outer forming surface; 22-alignment slot; 23-a vent hole; 3-a seat board; 4-a rotating assembly; 41-a first channel member; 42-a second channel member; 43-an upper sleeve; 44-a lower sleeve; 45-central axis; 5-a locking assembly; 51-a third channel member; 52-a fourth channel; 53-upper handle; 54-lower handle; 55-a first lock sleeve; 56-locking bar; 57-a second sleeve; 58-a third sleeve; 6-fastening nail assembly; 61-screw; 62-nut post.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments, but not all embodiments, and all other embodiments obtained by those skilled in the art without creative efforts will belong to the protection scope of the present solution based on the embodiments in the present solution.

Example 1

As shown in fig. 1 to 5, the present embodiment designs a mold for producing a plastic sole, which includes an upper mold body 1, a lower mold body 2, a rotating assembly 4, a locking assembly 5, and the like. The rear sides of the upper mold body 1 and the lower mold body 2 are connected through a rotating assembly 4, and the upper mold body 1 can rotate relative to the lower mold body 2. A locking assembly 5 is coupled to the front sides of the upper and

lower mold bodies

1 and 2 and is locked together by the locking assembly 5.

The upper die body 1 is in a square plate shape, the upper die body 1 is formed by 3D printing of metal powder materials, and the lower surface of the upper die body 1 is provided with an alignment bulge 12 and an inner molding surface 11 for molding the inner surface of a sole; the inner molding surface 11 is located at the center of the lower surface of the upper mold body 1, and has two corresponding soles for the left foot and the right foot, respectively. A plurality of alignment protrusions 12 are distributed around the inner forming surface 11.

The lower die body 2 is in a square plate shape, the lower die body 2 is formed by 3D printing of metal powder materials, a forming groove is formed in the upper surface of the lower die body 2, and an outer forming surface 21 for forming the outer surface of the sole is formed on the groove wall of the forming groove; the two forming grooves are respectively corresponding to the sole of the left foot and the sole of the right foot; when the upper mold body 1 is overlapped over the lower mold body 2, the inner molding surfaces 11 correspond one-to-one to the outer molding surfaces 21, and form a cavity therebetween for sole molding. The bottom of the lower die body 2 is provided with an injection molding port for injection molding.

A plurality of alignment grooves 22 are formed around the molding groove, and the alignment grooves 22 correspond to the alignment protrusions 12 one to one and are used for alignment when the upper mold body 1 and the lower mold body 2 are overlapped.

Through holes communicated with each other are formed between the two molding grooves, a plurality of exhaust holes 23 are formed in the side walls of the molding grooves, and the outlets of the exhaust holes 23 are located on the side face of the lower die body 2.

When the mold in the embodiment is produced, the upper mold body 1 is overlapped and placed above the lower mold body 2, at this time, the alignment protrusion 12 is correspondingly embedded into the alignment groove 22, and a molding cavity for sole molding is formed between the inner molding surface 11 of the upper mold body 1 and the outer molding surface 21 of the lower mold body 2; when the EVA plastics are moulded plastics to the shaping chamber through the mouth of moulding plastics of die block 2, can make the EVA plastics be full of the shaping chamber, and unnecessary plastics can be discharged through exhaust hole 23, and the air in the shaping chamber also can rearrange and discharge in the gas pocket 23 simultaneously. When the production mold is cooled, the formed sole can be obtained.

Example 2

As shown in fig. 1 to 5, the present embodiment designs a mold for producing a plastic sole, which includes an upper mold body 1, a lower mold body 2, a rotating assembly 4, a fastening pin assembly 6, a locking assembly 5, and the like. The rear sides of the upper mold body 1 and the lower mold body 2 are connected through a rotating assembly 4, and the upper mold body 1 can rotate relative to the lower mold body 2. A locking assembly 5 is coupled to the front sides of the upper and

lower mold bodies

1 and 2 and is locked together by the locking assembly 5.

The upper mold body 1 and the lower mold body 2 in this embodiment may have the structure of embodiment 1, or may have other structures, and the upper mold body 1 and the lower mold body 2 may have a square plate shape.

The rotating assembly 4 comprises a first groove member 41, a second groove member 42, an upper sleeve 43, a lower sleeve 44, a central shaft 45 and the like; the first slot member 41 is connected to the rear side edge of the upper mold body 1 through 5-8 fastening pin assemblies 6, the second slot member 42 is connected to the rear side edge of the lower mold body 2 through 5-8 fastening pin assemblies 6, and the first slot member 41 is rotatably connected with the second slot member 42; a plurality of upper sleeves 43 are connected to the side of the first channel part 41 facing away from the upper mold body 1, and a plurality of lower sleeves 44 are connected to the side of the second channel part 42 facing away from the lower mold body 2; the upper sleeves 43 and the lower sleeves 44 are arranged at intervals and are positioned on the same straight line, and the central shaft 45 penetrates into all the upper sleeves 43 and the lower sleeves 44. The upper mold 1 and the lower mold 2 are rotatable about a central axis 45.

The locking assembly 5 comprises a third slot member 51, a fourth slot member 52, a first locking sleeve 55, a second locking sleeve 57, a third locking sleeve 58 and a locking rod 56; the third slot member 51 is connected to the front side edge of the upper mold body 1 through 4-7 fastening pin assemblies 6; the fourth slot member 52 is connected to the front side edge of the lower die body 2 through 4-7 fastening pin assemblies 6; the first lock sleeve 55 is fixedly welded to the third channel member 51, and the second lock sleeve 57 and the third lock sleeve 58 are fixedly welded to the fourth channel member 52.

When the upper mold body 1 is overlapped with the lower mold body 2, the first lock sleeve 55, the second lock sleeve 57 and the third lock sleeve 58 are coaxial and are penetrated by the lock rod 56 for locking.

An upper handle 53 is connected to the third channel 51, and a lower handle 54 is connected to the fourth channel 52; the upper handle 53 and the lower handle 54 are disposed in a staggered manner. A square plate-shaped seat plate 3 is detachably connected to the lower die body 2.

At the front side of the lower die body 2, the seat plate 3 and the third slot member 51 are detachably connected together through a fastening nail assembly 6; at the rear and front side of the lower mold body 2, the seat plate 3 and the second channel member 42 are detachably connected together by the fastening pin assembly 6. At the front side of the upper die body 1, the lower die body 2, the seat plate 3 and the third slot piece 51 are detachably connected together through a fastening nail component 6; at the rear and front side of the upper mold body 1, the lower mold body 2, the seat plate 3 and the first channel member 41 are detachably connected together by a fastening pin assembly 6.

Because the upper die body 1 and the lower die body 2 are usually made of special metal materials, the hinge parts or locking structures on the market are usually made of steel materials, the upper die body and the lower die body are different in materials, welding connection is difficult to carry out, in addition, the rotating assembly 4 and the locking assembly 5 are used, if abrasion or deformation occurs, the replacement is needed in time, therefore, the connecting mode of the fastening nail assembly 6 and the groove piece is designed in the embodiment, the replacement of the rotating assembly 4 and the locking assembly 5 is ensured, in the connecting process of the upper die body 1 and the lower die body 2 through the rotating assembly 4 and the locking assembly 5, the repairing possibility is provided when the structure is deformed, the sizes of all parts are wrongly designed, or the connection is misplaced.

The above examples are merely for clearly illustrating the examples and are not intended to limit the embodiments; and are neither required nor exhaustive of all embodiments. And obvious variations or modifications of this technology may be resorted to while remaining within the scope of the technology.

Claims

1. A production mould of plastics sole which characterized in that: comprises an upper die body (1), a lower die body (2), a rotating assembly (4) and a locking assembly (5);

the upper die body (1) is in a square plate shape, and an inner molding surface (11) for molding the inner surface of the sole is arranged on the lower surface of the upper die body (1);

the lower die body (2) is in a square plate shape, a forming groove is formed in the upper surface of the lower die body (2), and an outer forming surface (21) for forming the outer surface of the sole is formed by the groove wall of the forming groove;

the rotating assembly (4) comprises a first groove part (41) and a second groove part (42), the first groove part (41) is connected to the edge of the upper die body (1), the second groove part (42) is connected to the edge of the lower die body (2), and the first groove part (41) is rotatably connected with the second groove part (42);

the locking assembly (5) comprises a third groove member (51), a fourth groove member (52), a first lock sleeve (55), a second lock sleeve (57), a third lock sleeve (58) and a lock rod (56); the third groove part (51) is connected with the edge of the upper die body (1) and is positioned at the opposite side of the first groove part (41); the fourth slot member (52) is connected to the edge of the lower die body (2) and is positioned at the opposite side of the second slot member (42); the first lock sleeve (55) is fixedly connected to the third groove member (51), and the second lock sleeve (57) and the third lock sleeve (58) are fixedly connected to the fourth groove member (52); when the upper die body (1) is overlapped with the lower die body (2), the first lock sleeve (55), the second lock sleeve (57) and the third lock sleeve (58) are coaxial and are penetrated by the lock rod (56) to be locked.

2. The mold for producing plastic soles according to claim 1, characterized in that: the rotating assembly (4) further comprises an upper sleeve (43), a lower sleeve (44) and a central shaft (45); a plurality of upper sleeves (43) are connected to one side of the first groove part (41) back to the upper die body (1), and a plurality of lower sleeves (44) are connected to one side of the second groove part (42) back to the lower die body (2); the upper sleeves (43) and the lower sleeves (44) are arranged at intervals and are positioned on the same straight line, and the central shaft (45) penetrates into all the upper sleeves (43) and the lower sleeves (44).

3. The mold for producing plastic soles according to claim 1, characterized in that: an upper handle (53) is connected to the third groove member (51), and a lower handle (54) is connected to the fourth groove member (52); the upper handle (53) and the lower handle (54) are arranged in a staggered manner.

4. The mold for producing plastic soles according to claim 1, characterized in that: two forming grooves are arranged on the lower die body (2), and the two forming grooves respectively correspond to the sole of the left foot and the sole of the right foot.

5. The mold for producing plastic soles according to claim 4, characterized in that: through holes communicated with each other are formed between the forming grooves, a plurality of exhaust holes (23) are formed in the side walls of the forming grooves, and outlets of the exhaust holes (23) are located on the side face of the lower die body (2).

6. The mold for producing plastic soles according to claim 1, characterized in that: the lower part of the lower die body (2) is detachably connected with a seat plate (3), and the seat plate (3) is in a square plate shape.

7. The mold for producing plastic soles according to claim 6, characterized in that: the production mold also comprises a plurality of fastening nail assemblies (6), and part of the fastening nail assemblies detachably connect the lower mold body (2) and the seat plate (3) with the fourth slot (52) or the second slot (42); another part of the fastening nail assembly detachably connects the first trough member (41) or the third trough member (51) to the upper die body (1).

8. The mold for producing plastic soles according to claim 7, characterized in that: the fastening nail assembly (6) comprises a screw (61) and a nut column (62), and the screw (61) is in threaded fit with the nut column (62).

9. The mold for producing plastic soles according to claim 1, characterized in that: the upper die body (1) and the lower die body (2) are both formed by 3D printing of metal powder materials.

10. The mold for producing plastic soles according to claim 1, characterized in that: the lower surface of the upper die body (1) is provided with a plurality of alignment bulges (12), and the upper surface of the lower die body (2) is provided with a plurality of alignment grooves (22) which are in one-to-one correspondence with the alignment bulges (12).