CN219235946U

CN219235946U - EVA foaming slipper mold

Info

Publication number: CN219235946U
Application number: CN202223379406.4U
Authority: CN
Inventors: 刘仲利
Original assignee: Shishi Jintan Shoes Co ltd
Current assignee: Shishi Jintan Shoes Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-23
Anticipated expiration: 2032-12-16

Abstract

The application relates to the technical field of slipper production, and disclose an EVA foaming slipper mold, which comprises a groove plate, go up the mould, lower mould and shoe tree mold core, the lower mould is located the inside slip setting of frid, shoe tree mold core is located and sets up between last mould and the lower mould, the hole of moulding plastics has been seted up at the die cavity top of last mould, and go up the fixed stainless steel injection pipe that corresponds with the hole site of moulding plastics that is equipped with of upper end of mould, the exhaust hole has been seted up to the die cavity lateral wall edge of last mould, the tank bottom rotation of frid is equipped with the deflection pole, the upper end of deflection pole is fixed and is equipped with the polarization piece, the bottom of frid is fixed and is equipped with driving motor, and driving motor's output is connected with the deflection pole. The slipper molding device can eliminate and reduce air and bubbles after EVA foaming materials are filled into the slipper molding die cavity by utilizing vibration, effectively improve the slipper molding quality, and simultaneously can improve the slipper cooling and shaping efficiency by introducing cooling water.

Description

EVA foaming slipper mold

Technical Field

The application relates to the technical field of slipper production, in particular to an EVA foaming slipper mold.

Background

The EVA material is prepared by copolymerizing ethylene and vinyl acetate, and the EVA foaming sheet has good softness and elasticity, and simultaneously has good surface glossiness and chemical stability, and is an anti-aging, ozone-resistant, nontoxic and the like, and is a common slipper material.

In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, in the production of slippers, the EVA foaming material is integrally formed into the slippers through a die, for example, the patent publication number is CN216831907U, and an EVA foaming slipper die is disclosed, and comprises a fixed table, wherein a lower die is arranged in the middle of the top of the fixed table, and limiting blocks fixedly connected with the top of the fixed table are arranged on two sides of the lower die; the slipper mold disclosed in the above patent is relatively stable in connection and is not easy to fall off, but in the actual production process, because the EVA foaming material is filled into the inside of the slipper molding cavity, the filling speed of the material is too high, and the EVA foaming material in the initial state is in a fluid state, so that the phenomenon that part of air cannot be discharged through the air holes of the mold in time exists, part of air is mixed into the inside of the EVA foaming material, the edge of the molded slipper is provided with a notch, and the inside of the slipper is provided with a bubble phenomenon, so that the quality of the molded slipper is influenced, and therefore, the EVA foaming slipper mold is provided.

Disclosure of Invention

The purpose of this application is in order to solve among the prior art because EVA foam material fills when the slippers shaping die cavity is inside, because the filling speed of material is too fast to and initial state's EVA foam material is fluid state, so there is the unable timely through the exhaust phenomenon of mould gas pocket of part air, and inside part air mixing EVA foam material, lead to the slippers edge after the shaping to have the breach, and the inside bubble phenomenon that exists of slippers, thereby influence the quality problem after the slippers shaping, and an EVA foam slipper mould is proposed.

In order to achieve the above purpose, the present application adopts the following technical scheme:

the utility model provides a EVA foaming slipper mold, includes the frid, goes up mould, lower mould and shoe tree mold core, the lower mould is located the inside slip setting of frid, the shoe tree mold core is located and sets up between last mould and the lower mould, the hole of moulding plastics has been seted up at the die cavity top of going up the mould, and go up the fixed stainless steel injection pipe that is equipped with corresponding with the hole site of moulding plastics of upper end of mould, the exhaust hole has been seted up to the die cavity lateral wall edge of going up the mould, the tank bottom rotation of frid is equipped with the deflection pole, the upper end of deflection pole is fixed and is equipped with the polarization piece, the bottom of frid is fixed and is equipped with driving motor, and driving motor's output is connected with the deflection pole, the lower mould is kept away from jointly fixed a set of first springs that are equipped with between the lateral wall of polarization piece one side and the frid inner wall.

Preferably, an annular water through cavity is formed in the upper die, water through holes are formed in the upper cavity wall of the annular water through cavity, and two stainless steel water through hoses corresponding to the water through holes are fixedly arranged at the upper end of the upper die.

Preferably, a group of jacking springs are fixedly arranged on two sides of the lower end of the shoe tree mold core, a group of circular grooves are formed on two sides of the end face of the lower mold, and all jacking springs are fixedly arranged at the bottoms of the circular grooves on the same side.

Preferably, limiting plates are fixedly arranged on two sides of the inside of the groove plate, and sliding grooves matched with the limiting plates are formed in the lower ends of two side walls of the lower die.

Preferably, the ball grooves are formed in two sides of the bottom of the lower die, balls are arranged in the two ball grooves in a rotating mode, and guide rail grooves matched with the balls are formed in the lower inner wall of the groove plate.

Preferably, a base is arranged below the groove plate, and supporting rods are fixedly arranged at four corners between the base and the groove plate.

Preferably, a group of tie bars are fixedly arranged on two sides of the end face of the lower die, and the end faces of the shoe tree mold core and the upper die are in sliding connection with the column walls of the two groups of tie bars.

Compared with the prior art, the application provides an EVA foaming slipper mold, which has the following beneficial effects:

1. this EVA foaming slipper mould, through the frid that is equipped with, go up the mould, the lower mould, last mold core, stainless steel notes material pipe, the exhaust hole, the deflecting stick, driving motor, cooperation of polarizing piece and first spring, through last mould, the cooperation of lower mould and last mold core, can be through EVA foaming material one shot forming slippers, the inside air of die cavity when annotating the material is discharged through the exhaust hole, and make the reciprocating switching lower mould of polarizing piece and cooperation first spring through driving motor cooperation deflecting stick, can make the inside vibration of die cavity, thereby can utilize the vibration to eliminate air and the bubble after reducing EVA foaming material and filling the die cavity inside, effectively improve slipper shaping quality.

2. This EVA foaming slippers mould, through the cooperation of the annular water cavity that is equipped with and stainless steel water hose, can improve slippers cooling design efficiency through letting in cooling water, and the design of stainless steel water hose can not influence normal die cavity vibration.

The device does not involve part and the prior art the same or can adopt prior art to realize, this application can utilize the vibration to eliminate and reduce air and bubble after EVA foaming material fills slippers shaping die cavity inside, effectively improves slippers shaping quality, can let in the cooling water simultaneously and improve slippers cooling design efficiency.

Drawings

Fig. 1 is a schematic structural view of an EVA foam slipper mold set forth in the present application;

fig. 2 is a schematic top view of the middle polarizing plate of fig. 1.

In the figure: 1. a trough plate; 2. an upper die; 3. a lower die; 4. a last mold core; 5. stainless steel injection pipe; 6. an exhaust hole; 7. a deflection lever; 8. a polarizing block; 9. a driving motor; 10. a first spring; 11. an annular water cavity; 12. stainless steel water hose; 13. a jack-up spring; 14. a limiting plate; 15. a chute; 16. a ball; 17. a guide rail groove; 18. a base; 19. a support rod; 20. tie bar.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application.

Referring to fig. 1-2, an EVA foaming slipper mold, which comprises a groove plate 1, an upper mold 2, a lower mold 3 and a last mold core 4, wherein a base 18 is arranged below the groove plate 1, support rods 19 are fixedly arranged at four corners between the base 18 and the groove plate 1, and through the arrangement, the groove plate 1 can be placed and installed stably.

The terminal surface both sides of lower mould 3 are all fixed and are equipped with a set of tiebar 20, and last mold core 4 and last mold 2's terminal surface all with the column wall sliding connection of two sets of tiebars 20, through this kind of setting, can improve last mold 2 and last mold core 4 for the connection stability of lower mould 3, can not take place the phenomenon of relative displacement at the horizontal direction, excellent in use effect.

The inside of the upper die 2 is provided with an annular water passing cavity 11, the upper cavity wall of the annular water passing cavity 11 is provided with water passing holes, the upper end of the upper die 2 is fixedly provided with two stainless steel water passing hoses 12 corresponding to the water passing holes, cooling water can be introduced into the annular water passing cavity 11 through the stainless steel water passing hoses 12, and the cooling water can be discharged in a backflow mode through the other stainless steel water passing hose 12, so that the cooling shaping speed of the slippers can be improved by using the cooling water.

The lower mould 3 is located the inside slip setting of frid 1, and shoe tree mold core 4 is located and sets up between mould 2 and the lower mould 3, and shoe tree mold core 4's lower extreme both sides are all fixed to be equipped with a set of jack-up spring 13, and a set of circular slot has all been seted up to the terminal surface both sides of lower mould 3, and each jack-up spring 13 all is located the tank bottom fixed setting of homonymy circular slot, through jack-up spring 13, can be under the oppression of mould 2 not having, can make shoe tree mold core 4 jack-up a take the altitude to can be ejecting with the slippers after the shaping, in order to facilitate the drawing of patterns work.

Injection molding holes are formed in the top of a die cavity of the upper die 2, stainless steel injection pipes 5 corresponding to the injection molding holes are fixedly arranged at the upper end of the upper die 2, exhaust holes 6 are formed in the edge of the side wall of the die cavity of the upper die 2, a deflection rod 7 is rotatably arranged at the bottom of the groove plate 1, a polarization block 8 is fixedly arranged at the upper end of the deflection rod 7, a driving motor 9 is fixedly arranged at the bottom of the groove plate 1, the output end of the driving motor 9 is connected with the deflection rod 7, and a group of first springs 10 are fixedly arranged between the side wall, far away from one side of the polarization block 8, of the lower die 3 and the inner wall of the groove plate 1.

Limiting plates 14 are fixedly arranged on two sides of the inside of the groove plate 1, sliding grooves 15 matched with the limiting plates 14 are formed in the lower ends of two side walls of the lower die 3, through the arrangement, the phenomenon that the lower die 3 vibrates up and down due to vibration can be prevented, the vibration effect is ensured, and meanwhile, the stability of the vertical direction is kept.

Ball grooves are formed in two sides of the bottom of the lower die 3, balls 16 are arranged in the two ball grooves in a rotating mode, guide rail grooves 17 matched with the balls 16 are formed in the lower inner wall of the groove plate 1, and friction force between the lower die 3 and the groove plate 1 can be reduced through the fact that the balls 16 are matched with the guide rail grooves 17, so that vibration can be facilitated.

In this application, during the use, at first, make mould 2 move down through outside hydro-cylinder control, and carry out the crimping to shoe tree mold core 4, make mould 2, lower mould 3 and shoe tree mold core 4 sticis together, then pour into EVA foam material into to the die cavity inside through stainless steel notes material pipe 5, the notes material in-process, unnecessary air can be discharged through exhaust hole 6, after the notes material is accomplished, start driving motor 9, can make the deflection pole 7 rotate, thereby can drive polarizing plate 8 and rotate, and then can carry out reciprocating striking to lower mould 3, so as to form the reciprocal flexible to first spring 10, reach the effect that makes the inside vibration of die cavity, utilize vibration on the one hand can make the raw materials fill more abundant, the extrusion makes the bubble eliminate, and unnecessary air is discharged through exhaust hole 6 again, avoid the air to occupy certain clearance and lead to influencing slippers shaping quality.

The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, within the scope of the present application, should apply to the present application, and all equivalents and modifications as fall within the scope of the present application.

Claims

1. The utility model provides a EVA foaming slippers mould, includes frid (1), goes up mould (2), lower mould (3) and shoe tree mold core (4), its characterized in that, lower mould (3) are located the inside slip setting of frid (1), shoe tree mold core (4) are located and set up between last mould (2) and lower mould (3), the hole of moulding plastics has been seted up at the die cavity top of going up mould (2), and go up mould (2) upper end fixed be equipped with mould plastics hole site corresponding stainless steel injection pipe (5), vent hole (6) have been seted up in die cavity lateral wall edge of last mould (2), the tank bottom rotation of frid (1) is equipped with deflector (7), deflector (7) are fixed to be equipped with in the upper end of deflector (7), the bottom of frid (1) is fixed to be equipped with driving motor (9), and driving motor (9) output and deflector (7) are connected, jointly fixed between the lateral wall that deflector (8) one side was kept away from to lower mould (3) and frid (1) inner wall.

2. The EVA foaming slipper mold according to claim 1, characterized in that an annular water through cavity (11) is formed in the upper mold (2), water through holes are formed in the upper cavity wall of the annular water through cavity (11), and two stainless steel water through hoses (12) corresponding to the water through holes are fixedly arranged at the upper end of the upper mold (2).

3. The EVA foaming slipper mold according to claim 1, characterized in that a group of jacking springs (13) are fixedly arranged on two sides of the lower end of the shoe last mold core (4), a group of round grooves are formed on two sides of the end face of the lower mold (3), and all jacking springs (13) are fixedly arranged at the bottoms of the round grooves on the same side.

4. The EVA foaming slipper mold according to claim 1, characterized in that limiting plates (14) are fixedly arranged on two sides of the inside of the groove plate (1), and sliding grooves (15) matched with the limiting plates (14) are formed in the lower ends of two side walls of the lower mold (3).

5. The EVA foaming slipper mold according to claim 1, characterized in that ball grooves are formed in two sides of the bottom of the lower mold (3), balls (16) are rotatably arranged in the two ball grooves, and guide rail grooves (17) matched with the balls (16) are formed in the lower inner wall of the groove plate (1).

6. The EVA foaming slipper mold according to claim 1, characterized in that a base (18) is arranged below the groove plate (1), and supporting rods (19) are fixedly arranged at four corners between the base (18) and the groove plate (1).

7. The EVA foaming slipper mold according to claim 1, characterized in that a group of tie bars (20) are fixedly arranged on two sides of the end face of the lower mold (3), and the end faces of the shoe tree mold core (4) and the upper mold (2) are in sliding connection with the tie bar walls of the two groups of tie bars (20).