CN111633905A

CN111633905A - EVA one shot forming foaming sole mould

Info

Publication number: CN111633905A
Application number: CN202010670119.5A
Authority: CN
Inventors: 陈发进; 庄天从; 詹长敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-09-08

Abstract

The invention discloses an EVA (ethylene vinyl acetate copolymer) one-step forming foaming sole die which comprises a first die, a second die, a third die and an end cover, wherein the first die comprises a pair of insole grooves, a plurality of matching holes, a first counter bore and a second counter bore, the second die comprises a first mounting part, a second mounting part, a pair of insole male dies and a sinking part, and the upper end of the third die is provided with a massage convex point groove; the first die, the second die and the third die are matched with one another and mounted, and the first die further comprises a plurality of first buffering parts and a plurality of second buffering parts. Because first bolster and the second bolster that is equipped with between first mould, second mould and third mould for the mould is at the during operation at every turn, not only can provide good cushioning effect for between first mould, second mould and the third mould, can make things convenient for the mould to reset moreover.

Description

EVA one shot forming foaming sole mould

Technical Field

The invention relates to the technical field of molds, in particular to an EVA one-step forming foaming sole mold.

Background

EVA has the characteristics of good flexibility, rubber elasticity, good flexibility, transparency, surface gloss, good chemical stability, good aging resistance and ozone resistance, and no toxicity at the temperature of-50 ℃. Has good mixing property with the filler, coloring property and molding processability. The shoe material is the most important application field of the EVA resin in China. In the EVA resin used in the shoe material, the content of vinyl acetate is generally 15-22%. Because the EVA resin blended foaming product has the performances of softness, good elasticity, chemical corrosion resistance and the like, the EVA resin blended foaming product is widely applied to soles and interior materials of medium and high-grade travel shoes, climbing shoes, slippers and sandals. However, when the existing die works, the die is easily damaged when working in large batch due to the lack of buffer equipment, so that the overall working efficiency is influenced.

Disclosure of Invention

In view of the above problems, the main object of the present invention is to provide a mold for EVA one-step forming foamed shoe sole, which has good cushioning effect and is easy to reposition.

The object of the invention is achieved in the following way:

the utility model provides a EVA one shot forming foaming sole mould, by supreme down including in proper order:

the first die comprises a pair of insole grooves, a plurality of matching holes, a first counter bore and a second counter bore, the pair of insole grooves are symmetrically formed in the upper surface of the first die, the first counter bore and the second counter bore are formed in the two ends of the insole grooves respectively, and the matching holes are distributed at the four corners of the upper end of the first die;

the second die comprises a first mounting part, a second mounting part, a pair of insole male dies and a plurality of sinking parts, wherein the first mounting part is arranged on one side of the second die, the second mounting part is arranged on the other side of the second die, the pair of insole male dies are symmetrically arranged at the lower end of the second die, the sinking parts are arranged at the lower end of the second die, and the sinking parts are positioned at the periphery of the pair of insole male dies;

the upper end of the third die is provided with a massage convex point groove;

the end cover is buckled at the upper end of the third die and is fixedly connected with a lifting handle;

the first die, the second die and the third die are mutually matched and mounted, and the first die further comprises a plurality of first buffer parts and a plurality of second buffer parts, the first buffer parts are arranged between the first die and the second die, the rest first buffer parts are arranged between the third die and the end covers, and the second buffer parts are arranged between the second die and the third die.

Further, first bolster includes a telescopic cylinder, a first buffer spring and a first support pad, the telescopic cylinder is arranged in the square groove of third mould, first buffer spring cover is established outside the telescopic cylinder, first support pad with the upper end rigid coupling of telescopic cylinder.

Further, the second bolster includes fixed block, a pair of slide bar, diaphragm, second layer board and second buffer spring, the fixed block is arranged in on the second mould, the lower extreme pin joint of slide bar is in on the slider in the fixed block, the upper end of slide bar with the diaphragm pin joint is in the same place, the second layer board passes through second buffer spring sets up the upper end of diaphragm, second buffer spring's last pot head is established on the briquetting of second layer board lower extreme.

Furthermore, the sliding block is in sliding fit with the sliding cavity of the fixed block.

Furthermore, a compression spring is arranged between the pair of sliding rods.

Furthermore, a pair of massage pad holes is formed in the insole groove, and studs are fixedly connected to the matching holes.

Further, the lower end of the first mold is fixed by a plurality of bottom blocks.

Furthermore, a pair of mounting holes is formed in the second mounting portion.

Furthermore, a connecting hole is formed in the sinking part.

Furthermore, the third mould comprises a pair of big massage salient points, a pair of small massage salient points and a pouring through pipe, the big massage salient points and the small massage salient points are arranged on the third mould, and the big massage salient points and the small massage salient points are communicated through the pouring through pipe.

The invention has the beneficial effects that:

1. due to the first buffer part and the second buffer part arranged among the first die, the second die and the third die, when the dies work at each time, the good buffer effect can be provided among the first die, the second die and the third die, and the dies can be conveniently reset;

2. in order to further promote the buffering effect between second mould and the third mould for the third mould can reset fast, fixed block, a pair of slide bar, diaphragm, second layer board and the second buffer spring that are equipped with on the second bolster can effectively promote the buffering effect between second mould and the third mould through second buffer spring's effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of a first mold of the present invention;

FIG. 3 is a bottom view of the first mold of the present invention;

FIG. 4 is a top view of a second mold of the present invention;

FIG. 5 is a top view of a third mold of the present invention;

fig. 6 is a partial enlarged view at a of fig. 1;

fig. 7 is a partially enlarged view of fig. 1 at B.

The notation in the figure is: a first mould-1, an insole groove-11, a massage cushion hole-111, a bottom block-12, a matching hole-13, a stud-131, a first counter bore-14, a second counter bore-15, a second mould-2, a first mounting part-21, a second mounting part-22, a mounting hole-221, an insole male mould-23, a counter bore-24, a connecting hole-241, a third mould-3, a large massage salient point-31, a small massage salient point-32, a pouring through pipe-33, a square groove-34, a massage salient point groove-35, an end cover-4, a handle-41, a first buffer part-5, a telescopic cylinder-51, a first buffer spring-52, a first cushion-53, a second buffer part-6, a fixed block-61, a sliding cavity-611, a sliding cavity-13, a bolt-131, a first counter bore-14, a second counter, A slide block-612, a slide rod-62, a compression spring-621, a transverse plate-63, a second supporting plate-64, a press block-65 and a second buffer spring-66.

Detailed Description

The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.

With reference to fig. 1 to 7, as shown in fig. 1, 3 and 4, the device for forming foamed EVA sole at one time sequentially comprises a first mold 1, a second mold 2, a third mold 3 and an end cover 4 from bottom to top, wherein the first mold 1 includes a pair of insole grooves 11, a plurality of mating holes 13, a first counter bore 14 and a second counter bore 15, the pair of insole grooves 11 are symmetrically formed in the upper surface of the first mold 1, the first counter bore 14 and the second counter bore 15 are respectively formed at the left and right ends of the insole groove 11, and the plurality of mating holes 13 are distributed at the four corners of the upper end of the first mold 1; the second mold 2 comprises a first installation part 21, a second installation part 22, a pair of insole male molds 23 and a plurality of sinking parts 24, the first installation part 21 and the second installation part 22 are respectively arranged at two sides of the second mold 2, the pair of insole male molds 23 are symmetrically arranged at the lower end of the second mold 2, the sinking parts 24 are all arranged at the lower end of the second mold 2, and the sinking parts 24 are positioned at the periphery of the pair of insole male molds 23; the upper end of the third die 3 is provided with a massage convex point groove 35; the end cover 4 is buckled at the upper end of the third die 3, and a handle 41 is fixedly connected to the end cover 4; the first die 1, the second die 2 and the third die 3 are installed in a matched mode, the first die further comprises a plurality of first buffering parts 5 and a plurality of second buffering parts 6, the first buffering parts 5 are arranged between the first die 1 and the second die 2, the rest first buffering parts 5 are arranged between the third die 3 and the end covers 4, and the second buffering parts 6 are arranged between the second die 2 and the third die 3. The structure more than setting is favorable to providing good cushioning effect for between first mould 1, second mould 2 and the third mould 3, can make things convenient for the mould to reset moreover.

As shown in fig. 6, the first buffer member 5 includes a telescopic cylinder 51, a first buffer spring 52 and a first support pad 53, the telescopic cylinder 51 is disposed in the square groove 34 of the third mold 3, the first buffer spring 52 is sleeved outside the telescopic cylinder 51, and the first support pad 53 is fixedly connected to the upper end of the telescopic cylinder 51. The structure more than setting up can effectively promote between first mould 1 and the second mould 2 to and the buffering effect between third mould 3 and the end cover 4.

As shown in fig. 7, the second buffer member 6 includes a fixed block 61, a pair of slide bars 62, a horizontal plate 63, a second supporting plate 64 and a second buffer spring 66, the fixed block 61 is fixedly connected to the second mold 2, the lower end of the slide bar 62 is pivotally connected to a slide block 612 in the fixed block 61, the upper end of the slide bar 62 is pivotally connected to the horizontal plate 63, the second supporting plate 64 is disposed at the upper end of the horizontal plate 63 through the second buffer spring 66, and the upper end of the second buffer spring 66 is sleeved on a pressing block 65 at the lower end of the second supporting plate 64. The structure more than setting up is favorable to further promoting the buffering effect between second mould 2 and the third mould 3 for third mould 3 can reset fast.

Preferably, the sliding block 612 is slidably engaged with the sliding cavity 611 of the fixing block 61.

Preferably, a compression spring 621 is disposed between the pair of sliding rods 62.

As shown in fig. 2, a pair of massage pad holes 111 are formed in the insole groove 11, and a stud 131 is fixedly connected to the fitting hole 13.

Preferably, the lower end of the first mold 1 is fixed by a plurality of bottom blocks 12. By the arrangement of the structure, the first die 1 can be stably placed on the workbench.

Preferably, the second mounting portion 22 has a pair of mounting holes 221 formed therein.

Preferably, a connection hole 241 is formed in the sinking portion 24.

As shown in fig. 5, the third mold 3 includes a pair of large massage bumps 31, a pair of small massage bumps 32 and a pouring through pipe 33, the large massage bumps 31 and the small massage bumps 32 are both disposed on the third mold 3, and the large massage bumps 31 and the small massage bumps 32 are communicated with each other through the pouring through pipe 33. The structure is arranged, and the structure required by the surface of the sole can be processed.

In summary, the first buffer member 5 and the second buffer member 6 are arranged between the first mold 1, the second mold 2 and the third mold 3, so that the molds can provide good buffer effect among the first mold 1, the second mold 2 and the third mold 3 and can be conveniently reset when working at each time; in order to further improve the buffering effect between the second mold 2 and the third mold 3, so that the third mold 3 can be rapidly reset, the fixing block 61, the pair of sliding rods 62, the transverse plate 63, the second supporting plate 64 and the second buffering spring 66 which are arranged on the second buffering member 6 can effectively improve the buffering effect between the second mold 2 and the third mold 3 through the buffering effect of the second buffering spring 66.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a EVA one shot forming foaming sole mould which characterized in that, by supreme down including in proper order:

the first mould (1), the first mould (1) comprises a pair of insole grooves (11), a plurality of matching holes (13), a first counter bore (14) and a second counter bore (15), the pair of insole grooves (11) are symmetrically formed in the upper surface of the first mould (1), the first counter bore (14) and the second counter bore (15) are respectively formed in two ends of the insole grooves (11), and the matching holes (13) are distributed at four corners of the upper end of the first mould (1);

the insole punching die comprises a second die (2), wherein the second die (2) comprises a first mounting part (21), a second mounting part (22), a pair of insole punching dies (23) and a plurality of sinking parts (24), the first mounting part (21) is arranged on one side of the second die (2), the second mounting part (22) is arranged on the other side of the second die (2), the pair of insole punching dies (23) are symmetrically arranged at the lower end of the second die (2), the plurality of sinking parts (24) are arranged at the lower end of the second die (2), and the plurality of sinking parts (24) are positioned around the pair of insole punching dies (23);

the upper end of the third die (3) is provided with a massage convex point groove (35);

the end cover (4), the said end cover (4) is buckled and set up in the upper end of the said third mould (3), the said end cover (4) is fixed with a eye ring (41);

the first die (1), the second die (2) and the third die (3) are mutually matched and mounted, the first die further comprises a plurality of first buffer parts (5) and a plurality of second buffer parts (6), the first buffer parts (5) are arranged between the first die (1) and the second die (2), the rest first buffer parts (5) are arranged between the third die (3) and the end covers (4), and the second buffer parts (6) are arranged between the second die (2) and the third die (3).

2. The EVA one-step forming foaming sole mold according to claim 1, wherein the first buffer member (5) comprises a telescopic cylinder (51), a first buffer spring (52) and a first pad (53), the telescopic cylinder (51) is arranged in the square groove (34) of the third mold (3), the first buffer spring (52) is sleeved outside the telescopic cylinder (51), and the first pad (53) is fixedly connected with the upper end of the telescopic cylinder (51).

3. The EVA one-step forming foaming sole mold according to claim 1, wherein the second buffer member (6) comprises a fixed block (61), a pair of slide bars (62), a transverse plate (63), a second supporting plate (64) and a second buffer spring (66), the fixed block (61) is arranged on the second mold (2), the lower end of the slide bar (62) is pivoted on a slide block (612) in the fixed block (61), the upper end of the slide bar (62) is pivoted with the transverse plate (63), the second supporting plate (64) is arranged at the upper end of the transverse plate (63) through the second buffer spring (66), and the upper end of the second buffer spring (66) is sleeved on a pressing block (65) at the lower end of the second supporting plate (64).

4. The EVA one-shot foaming sole mold according to claim 3, wherein the slider (612) is in sliding fit with the sliding cavity (611) of the fixed block (61).

5. The EVA one-shot forming foaming sole mold according to claim 4, wherein a compression spring (621) is arranged between a pair of sliding rods (62).

6. The EVA one-step forming foaming sole mold according to claim 1, wherein a pair of massage pad holes (111) are formed inside the shoe pad groove (11), and the stud (131) is fixedly connected to the matching hole (13).

7. The EVA one-shot forming foaming sole mold according to claim 1, characterized in that the lower end of the first mold (1) is fixed by a plurality of bottom blocks (12).

8. The EVA one-step forming foaming sole mold according to claim 1, wherein the second mounting portion (22) is provided with a pair of mounting holes (221).

9. The EVA one-step forming foaming sole mold according to claim 1, wherein a connecting hole (241) is formed in the sinking portion (24).

10. The EVA one-step forming foaming sole mold according to claim 1, wherein the third mold (3) comprises a pair of large massage salient points (31), a pair of small massage salient points (32) and a pouring through pipe (33), the large massage salient points (31) and the small massage salient points (32) are arranged on the third mold (3), and the large massage salient points (31) and the small massage salient points (32) are communicated through the pouring through pipe (33).