CN220219411U - Sole mould - Google Patents

Abstract

The utility model discloses a sole mould, and relates to the technical field of sole moulds. The sole mould comprises an upper mould block and a lower mould block, wherein the upper mould block is provided with a female mould, the lower mould block is provided with a male mould, and a mould cavity is formed between the female mould block and the male mould when the upper mould block and the lower mould block are closed. The male die is provided with a plurality of heat conducting columns which extend towards the heel part of the die cavity, so that the heat conducting columns can transfer the heat of the die into the deep part of the heel part of the die cavity. The heat conduction column is used for heating the foaming material in the deep part of the mold cavity, so that the foaming material positioned in the mold cavity and corresponding to the heel part can be heated and vulcanized uniformly, and the product quality of the foaming sole can be improved; but also improves the vulcanization speed of the foaming material positioned at the heel part, and is beneficial to shortening the heating and pressurizing time of the whole foaming sole, thereby improving the production efficiency.

Description

Sole mould

Technical Field

The utility model relates to the technical field of sole molds, in particular to a sole mold.

Background

Compared with the traditional solid sole material, the foaming sole material has the advantages of light weight, comfort, excellent physical property, lower cost and the like, so the foaming sole material has great development potential in the sole market.

At present, the preparation process of the foaming sole mainly comprises the steps of mounting a required sole mould on an injection moulding machine table, closing and compacting the mould by the injection moulding machine table, injecting a foaming material into a mould cavity of the closed mould by the injection moulding machine, heating and pressurizing the mould, fully heating and vulcanizing the foaming material in the mould cavity of the mould, and opening the mould instantly after the foaming material in the mould is fully vulcanized for a period of time, wherein the foaming material can be foamed and expanded instantly to the maximum volume due to the severe change of external pressure, so as to form a semi-finished product of the foaming sole.

The inner wall of the mold is in contact with the foaming material to transfer the heat in the mold cavity, and the heel part of the sole corresponding to the mold cavity is larger, so that the inner wall of the mold is difficult to uniformly heat the thicker heel, and the mold needs long heating and pressurizing time to ensure the sufficient heated vulcanization of the heel part.

If the foaming material at the heel part is insufficient in vulcanization time, the heel part of the finally manufactured foaming sole can become soft and continuous, and the use quality of the foaming sole is affected. However, if the foaming material is heated and pressurized for a long time in order to ensure that the heel can be sufficiently heated and vulcanized, not only the production efficiency is seriously affected, but also other thinner parts of the sole are easily burnt.

Disclosure of Invention

In order to enable the mold to uniformly heat foaming materials positioned in the mold cavity and corresponding to the heel part, the heel part of the manufactured sole can be fully vulcanized, and meanwhile, the heating and pressurizing time is shortened.

The application provides a sole mould adopts following technical scheme:

the utility model provides a sole mould, includes module and lower module, it is provided with the die to go up the module, the module is provided with the terrace die down, go up the module with when the module is closed down, the die with form the die cavity between the terrace die, the terrace die corresponds the heel position and is provided with a plurality of heat conduction post, the heat conduction post orientation the heel position of die cavity extends, the heat conduction post does not with the die contact.

Through adopting above-mentioned technical scheme, be provided with a plurality of heat conduction post on the terrace die, and the heat conduction post extends towards the heel position of die cavity, thereby the heat conduction post can be with the heat transfer of mould into the depths of the heel position of die cavity, not only make the foaming material that corresponds the heel position in the die cavity can evenly be heated and vulcanized, be favorable to improving the product quality of foaming sole, improved the vulcanization rate at thicker heel position moreover, be favorable to shortening holistic heating pressurization time, improve production efficiency.

Optionally, one end of the heat conduction column far away from the male die is provided with a clamping part, and the diameter of the clamping part is larger than the diameter of the column body of the heat conduction column.

By adopting the technical scheme, because the diameter of the clamping part is larger than the diameter of the column body of the heat conduction column, after the foaming material around the heat conduction column is fully vulcanized, the clamping part is clamped with the foaming sole after solidification molding. Therefore, when the upper module and the lower module are separated, the heat conduction column enables the foaming sole to be left on the male die of the lower module through the clamping part, and the foaming sole is convenient for production workers to collect.

Optionally, a conical transition part is arranged between the clamping part and the column body of the heat conducting column.

By adopting the technical scheme, the transition part is of a conical structure, so that the heat conduction column main body gradually increases from smaller diameter to form a clamping part with larger diameter. When the foaming sole that the production workman was collected from the terrace die, the transition portion can enlarge the entrance to a cave between foaming sole and the heat conduction post gradually to the production workman can take off the foaming sole from joint portion, and not fragile foaming sole moreover.

Optionally, the heat conduction post is kept away from the one end week side of joint portion is provided with the external screw thread, the heat conduction post passes through the external screw thread with terrace die threaded connection.

Through adopting above-mentioned technical scheme, be threaded connection between heat conduction post and the terrace die, production workman can be through rotating the heat conduction post, adjusts the length that the heat conduction post stretches into in the die cavity to can make the heat conduction post heat the foaming material of the different degree of depth that is located in the die cavity, be favorable to guaranteeing the even heating of heel position in the die cavity. And the heat conduction column and the male die are detachably connected, when the heat conduction column needs to be cleaned or maintained and replaced, production workers can conveniently detach the heat conduction column from the male die, and then the heat conduction column is cleaned or maintained and replaced.

Optionally, an inner hexagonal hole is formed on one side of the clamping portion, which is away from the transition portion.

Through adopting above-mentioned technical scheme, production workman can use conventional allen key to rotate the heat conduction post to make the regulation or the dismantlement of heat conduction post become simple and convenient, be favorable to the production workman to adjust or dismantle the heat conduction post.

Optionally, the terrace die is provided with a plurality of gag lever post corresponding to heel position, the one end and the terrace die fixed connection of gag lever post, the other end of gag lever post extends towards the heel position of die cavity, the gag lever post is close but not with the die contact.

By adopting the technical scheme, the limiting rod is completely fixed on the male die, so the limiting rod can be used as a reference object of the depth of the die cavity. When the heat conducting column is adjusted, a production worker can adjust the length of the heat conducting column according to the length of the limiting rod extending into the die cavity, and the length of the heat conducting column extending into the die cavity is smaller than that of the limiting rod, so that the adjusted length of the heat conducting column can be prevented from being overlong, the heat conducting column collides with the die during die assembly, and the die is damaged.

Optionally, the upper module is provided with three locating pins, the locating pins vertically extend towards the lower module, and the lower module is provided with locating holes corresponding to the locating pins.

Through adopting above-mentioned technical scheme, utilize three locating pin to fix a position the mould, when last module and lower module are closed, production workman can confirm through inserting the locating pin locating hole earlier that the counterpoint of last module and lower module is accurate to make last module and lower module can perfect close. And the three positioning pins have certain fool-proof effect, so that the situation that the male die and the female die are not corresponding to each other due to the fact that production workers install the modules reversely can be prevented, and the male die or the female die is damaged.

Optionally, the upper module is provided with a plurality of stopper, the stopper orientation down module direction vertical extension, down the module seted up with the corresponding spacing groove of stopper, the length that the locating pin extends is longer than the length that the stopper extends.

Through adopting above-mentioned technical scheme, when module and lower module are gone up in the closure, because the extension length of locating pin is longer than the extension length of stopper, so the locating pin can insert the locating hole earlier and carry out preliminary location, then the stopper reinserts in the spacing groove. The upper module and the lower module are further limited by the limiting block, and after the upper module and the lower module are closed, the upper module and the lower module are not easy to deviate. Thereby further improving the matching precision of the mould and being beneficial to improving the appearance quality of the foaming sole.

In summary, the embodiment of the present application has at least any one of the following beneficial effects:

1. the heat conduction columns are arranged at the positions of the male dies corresponding to the heel parts, and can transfer heat to the interiors of the heel parts, so that foaming materials corresponding to the heel parts in the die cavities can be heated and vulcanized uniformly, the product quality is improved, and the production efficiency is improved.

2. Through setting up joint portion in the one end of heat conduction post, when last module and lower module separation, the mutual joint of joint portion of foaming sole and heat conduction post to the foaming sole can be left on the terrace die, is favorable to the production workman to collect the foaming sole.

3. Through set up conical transition portion between joint portion and the connecting portion of heat conduction post, the transition portion can enlarge the entrance to a cave between foaming sole and the heat conduction post gradually to the convenience of production workman takes down the foaming sole from joint portion, and not fragile foaming sole moreover.

4. Through setting up a plurality of gag lever post in the position of terrace die corresponding heel position, production workman can adjust the length that the heat conduction post stretches into in the die cavity according to the length of gag lever post, prevents that the heat conduction post from adjusting overlength and leading to the damage of mould.

Drawings

Fig. 1 is a front view of a sole mold in this embodiment.

Fig. 2 is a cross-sectional view of A-A in fig. 1.

Fig. 3 is a schematic structural view of an upper module of a sole mold in this embodiment.

Fig. 4 is a schematic structural view of a lower module of a sole mold in this embodiment.

Fig. 5 is a partial enlarged view of a in fig. 4.

Fig. 6 is a schematic structural view of a heat conduction column of a sole mold in this embodiment.

Reference numerals illustrate:

1. an upper module; 11. the die, 12, locating pin, 13, stopper; 2. a lower module; 21. a male die, 211 and an exhaust hole; 22. positioning holes; 23. a limit groove; 24. injection molding a runner; 241. a main flow passage; 242. a sub-runner; 243. a gate; 244. a cold material well; 3. a mold cavity; 4. a heat conducting column; 41. a connection part; 411. an external thread; 42. a clamping part; 421. an inner hexagonal hole; 43. a transition section; 5. and a limit rod.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses a sole mould. Referring to fig. 1 and 2, a sole mold comprises an upper mold block 1 and a lower mold block 2, wherein the upper mold block 1 is provided with a female mold 11, and the female mold 11 is used for molding a surface of a sole facing a ground surface; the lower module 2 is provided with a punch 21, the punch 21 being intended to shape the surface of the sole on the side facing away from the ground. Specifically, when the upper and lower modules 1 and 2 are closed, the male die 21 and the female die 11 cooperate with each other, and the cavity 3 is formed between the male die 21 and the female die 11.

Referring to fig. 3 and 4, a plurality of positioning pins 12 are disposed around the upper module 1, and in this embodiment, the number of positioning pins 12 is three, and the three positioning pins 12 are respectively located at any three corners of the four corners of the upper module 1. The positioning pin 12 extends along the direction vertically towards the lower module 2, the lower module 2 is provided with a positioning hole 22 matched with the positioning pin 12, and when the upper module 1 and the lower module 2 are closed, the positioning pin 12 is vertically inserted into the positioning hole 22. The upper module 1 is also uniformly provided with a plurality of limiting blocks 13, the limiting blocks 13 also extend along the direction of vertically facing the lower module 2, and the lower module 2 is provided with limiting grooves 23 which are matched with the limiting blocks 13 in the direction. The limiting block 13 is used for further fixing the upper module 1 and the lower module 2 with each other, and preventing the upper module 1 and the lower module 2 from being offset in the heating and pressurizing process of the die. Specifically, the extension length of the limiting block 13 is smaller than that of the positioning pin 12, when the upper module 1 and the lower module 2 are closed, the positioning pin 12 is inserted into the positioning hole 22 first, the upper module 1 and the lower module 2 complete preliminary positioning at this time, then the limiting block 13 is inserted into the limiting groove 23, and the upper module 1 and the lower module 2 are completely positioned through the joint limiting action of the positioning pin 12 and the positioning hole 22 and the limiting block 13 and the limiting groove 23.

Referring to fig. 2 and 4, the lower module 2 is provided with an injection runner 24, and the injection runner 24 includes a main runner 241, a split runner 242, a gate 243, and a cold material well 244. Specifically, the inlet end of the main runner 241 is disposed on the side wall of the lower module 2, the other end of the main runner 241 is communicated with the cold material well 244, two sides of the main runner 241 are communicated with the split runner 242, the other end of the split runner 242 is communicated with the gate 243, and the other end of the gate 243 is communicated with the mold cavity 3, so that the foaming material can flow to the split runner 242 through the main runner 241 and then be injected into the mold cavity 3 through the gate 243. Wherein, the diameter of the gate 243 is smaller than that of the flow dividing channel 242, and the flow surface of the molten foaming material can be contracted, so that the flow of the molten foaming material in the mold cavity 3 is improved by the shearing action of the gate 243 on the foaming material.

Referring to fig. 2 and 4, the male mold 21 is uniformly provided with a plurality of discharge holes 211, one end of the discharge hole 211 is communicated with the mold cavity 3, and the other end penetrates the lower mold block 2. The air discharge holes 211 are used to discharge air in the mold cavity 3 when injecting the foaming material, preventing the foaming material from being partially carbonized or burned by contacting with high temperature air in the mold cavity 3.

Referring to fig. 2, 4 and 5, the male die 21 is uniformly provided with a plurality of heat conduction columns 4 corresponding to the heel portion. Wherein, the heat conduction column 4 extends vertically towards the direction of the female die 11, and when the upper module 1 and the lower module 2 are closed, one end of the heat conduction column 4 away from the male die 21 is positioned at the heel part in the die cavity 3 and is not contacted with the female die 11, at this time, the heat conduction column 4 can transfer heat to the inside of the heel part, so that the foaming material at the heel part in the die cavity 3 can be uniformly heated.

Referring to fig. 6, the heat conductive pillar 4 includes a connection portion 41, a clamping portion 42, and a transition portion 43. Specifically, the connecting portion 41 is disposed at one end of the heat-conducting post 4 connected to the male die 21, and the outer peripheral side of the connecting portion 41 is provided with an external thread 411, and the heat-conducting post 4 is screwed to the male die 21 by the external thread 411 of the connecting portion 41, so that the heat-conducting post 4 is detachably connected to the male die 21.

Referring to fig. 6, the locking portion 42 is provided at an end of the heat conductive column 4 remote from the connection portion 41, and the diameter of the locking portion 42 is larger than that of the connection portion 41. After the foaming material around the heat conduction column 4 is fully vulcanized, the clamping part 42 is clamped with the solidified foaming sole, so that when the upper module 1 and the lower module 2 are separated by the injection molding machine, the heat conduction column 4 enables the foaming sole to be separated from the female die 11 through the clamping part 42 and left on the male die 21 of the lower module 2, and the heat conduction column is convenient for production workers to collect.

Referring to fig. 6, the transition portion 43 is located between the clamping portion 42 and the connecting portion 41, and since the diameter of the clamping portion 42 is larger than that of the connecting portion 41, the transition portion 43 is tapered, so that the heat conductive post 4 gradually increases from the connecting portion 41 with a smaller diameter to form the clamping portion 42 with a larger diameter.

Referring to fig. 6, in order to facilitate the removal or adjustment of the heat conductive post 4 from the male die 21 by a production worker, an inner hexagonal hole 421 is provided in a side of the clamping portion 42 facing away from the transition portion 43.

Referring to fig. 2, 4 and 5, the part of the male die 21 corresponding to the heel is uniformly provided with a plurality of limit rods 5, specifically, one end of each limit rod 5 is fixedly connected with the male die 21, the other end extends vertically towards the direction of the female die 11, and when the upper die block 1 and the lower die block 2 are closed, the limit rods 5 are positioned at the heel part in the die cavity 3 and are not in contact with the female die 11. Because the stop lever 5 is completely fixed on the male die 21, the stop lever 5 can provide a reference for adjusting the length of the heat conduction column 4, and a production worker can adjust the length of the heat conduction column 4 according to the length of the stop lever 5 extending into the die cavity 3, only the length of the heat conduction column 4 extending into the die cavity 3 is required to be smaller than the length of the stop lever 5, so that the adjusted length of the heat conduction column 4 can be prevented from being overlong, and then the heat conduction column is bumped into the female die 11, and the female die 11 is damaged.

The implementation principle of the sole mould in the embodiment of the application is as follows:

before installation, the positioning pins 12 of the upper module 1 are inserted into the corresponding positioning holes 22 of the lower module 2, the limiting blocks 13 are inserted into the limiting grooves 23, the mold is closed, and the upper module 1 and the lower module 2 are fixedly installed on an injection molding machine, so that the mold can be prevented from being reversely assembled. After the upper module 1 and the lower module 2 are installed, the injection molding machine can control the mold closing and opening of the upper module 1 and the lower module 2, and then injection molding can be started.

During injection molding, the injection molding machine injects foaming materials into the mold cavity 3 from the injection molding runner 24, and the foaming materials in the mold cavity 3 begin to be heated and vulcanized through heating of the upper module 1 and the lower module 2 by the injection molding machine. The heat conducting column 4 stretches into the heel part in the die cavity 3 and can transfer heat to the heel part, so that the foaming material corresponding to the heel part in the die cavity 3 can be heated and vulcanized uniformly, the vulcanizing speed of the thicker heel part is improved, the integral heating and pressurizing time is shortened, and the production efficiency is improved.

After the injection molding is finished, the clamping part 42 is clamped with the foamed sole after the solidification molding, so when the injection molding machine separates the upper module 1 from the lower module 2, the heat conduction column 4 enables the foamed sole to be separated from the female die 11 through the clamping part 42 and left on the male die 21 of the lower module 2, and the foamed sole is convenient for production workers to collect. And owing to be provided with transition portion 43 on the heat conduction post 4, when taking down the foaming sole from the heat conduction post 4, transition portion 43 can enlarge the entrance to a cave between foaming sole and the joint portion 42 gradually, makes the foaming sole break away from smoothly from the joint portion 42 of heat conduction post 4, has both been favorable to the production workman to carry out the drawing of patterns with the foaming sole and has collected, and joint portion 42 is difficult for causing the damage to the foaming sole moreover.

The present embodiment is merely illustrative of the present application and is not limiting of the present application, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as necessary, but are protected by patent laws within the scope of the claims of the present application.

Claims (8)

1. A sole mold, characterized in that: including last module (1) and lower module (2), go up module (1) and be provided with die (11), lower module (2) are provided with terrace die (21), go up module (1) with when lower module (2) are closed, die (11) with form die cavity (3) between terrace die (21), terrace die (21) correspond heel position and are provided with a plurality of heat conduction post (4), heat conduction post (4) orientation die cavity (3) heel position extends, heat conduction post (4) do not with die (11) contact.

2. A sole mould according to claim 1, characterized in that: one end of the heat conduction column (4) far away from the male die (21) is provided with a clamping part (42), and the diameter of the clamping part (42) is larger than the diameter of the column body of the heat conduction column (4).

3. A sole mould according to claim 2, characterized in that: a conical transition part (43) is arranged between the clamping part (42) and the column body of the heat conduction column (4).

4. A sole mold according to claim 3, wherein: and an external thread (411) is arranged on the periphery of one end of the heat conduction column (4) far away from the clamping part (42), and the heat conduction column (4) is in threaded connection with the male die (21) through the external thread (411).

5. A sole mold according to claim 4, wherein: one side of the clamping part (42) deviating from the transition part (43) is provided with an inner hexagonal hole (421).

6. A sole mold according to claim 4, wherein: the heel part that terrace die (21) corresponds is provided with a plurality of gag lever post (5), the one end and the terrace die (21) fixed connection of gag lever post (5), the other end of gag lever post (5) orientation die cavity (3) heel part extends, gag lever post (5) stretches into die cavity (3) one end be close to die (11) but not with die (11) contact.

7. A sole mould according to claim 1, characterized in that: the upper module (1) is provided with three locating pins (12), the locating pins (12) vertically extend towards the lower module (2), and the lower module (2) is provided with locating holes (22) corresponding to the locating pins (12).

8. A sole mold according to claim 7, wherein: the upper module (1) is provided with a plurality of limiting blocks (13), the limiting blocks (13) vertically extend towards the lower module (2), limiting grooves (23) corresponding to the limiting blocks (13) are formed in the lower module (2), and the extending length of the locating pins (12) is longer than that of the limiting blocks (13).