CN220741970U - Double-hardness integrated forming die - Google Patents

Abstract

The utility model discloses a double-hardness integrated forming die, which comprises an upper die core and a lower die core matched and covered with the upper die core, wherein a cavity groove is formed in the lower die core, a forming male die extending downwards is arranged on the upper die core, a gap is formed between the forming male die of the upper die core and the cavity groove of the lower die core after the forming male die of the upper die core is matched with the cavity groove of the lower die core for cooling and forming injected rubber, and a first rubber injection port and a second rubber injection port are formed in the upper die core; the utility model has simple structure and convenient use, and can complete the injection molding process of the soles with different hardness in the same die by arranging two glue injection ports for injecting the glue with different hardness in the upper die core, reduce the transferring process, improve the production efficiency, fully and uniformly adhere the glue with different hardness together when injecting the glue with different hardness at the same time, improve the connection strength between the two glue with different hardness, avoid the situation of fracture at the joint in the long-time use process, reduce the production of defective products and reduce the production cost of enterprises.

Description

Double-hardness integrated forming die

Technical Field

The utility model relates to the technical field of injection molds, in particular to a double-hardness integrated molding mold.

Background

EVA sole resilience and tensile are high, toughness is high, have good shock-proof, cushioning property, still can have better flexibility below 0 ℃, transparency and surface gloss are good, chemical stability is good, ageing resistance and ozone resistance intensity are good, nontoxic.

Usually, when the sole is formed by processing, the sole is formed by processing materials with the same hardness, so that the formed sole keeps the same hardness degree; however, the soles on the market are manufactured by adopting two materials with different hardness, but most of the forming modes adopt a single forming mode, namely, the sole with the first hardness is firstly formed, then the sole with the first hardness is transferred into another mold to be processed and formed into the sole with the second hardness, so that the sole with the two different hardness is formed, but the processing mode is complicated in work and needs a lot of time, so that the production and manufacturing cost is higher.

Therefore, a new technical solution is needed to solve the above problems.

Disclosure of Invention

In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its main purpose is to provide a dual-hardness integrated molding die.

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

the utility model provides a two hardness integrated into one piece moulds, includes mould benevolence and rather than assorted lid lower mould benevolence that closes, be equipped with the die cavity recess on the lower mould benevolence, upward be equipped with the shaping terrace die that stretches out downwards on the mould benevolence, the shaping terrace die of going up the mould benevolence forms the clearance after mutually supporting with the die cavity recess of lower mould benevolence and supplies injection sizing material cooling shaping, upward be equipped with first injecting glue mouth and second injecting glue mouth on the mould benevolence, first injecting glue mouth and second injecting glue mouth set up respectively and carry out the injecting glue at the left and right sides both ends of shaping terrace die.

Preferably, the number of the cavity grooves is more than two, and the number of the forming male dies is matched with the number of the cavity grooves.

Preferably, the second glue injection port is arranged between adjacent molding punches, and the second glue injection port injects glue stock into the adjacent molding punches respectively for cooling the molded product.

Preferably, the number of the first glue injection openings is two, and the two first glue injection openings are arranged at the outer end of the forming male die and are far away from each other.

Preferably, a thimble mechanism is further arranged in the lower die core, and the thimble mechanism is positioned below the cavity groove and used for ejecting the molded injection product.

Preferably, the hardness of the rubber injected by the first rubber injection port is larger than/smaller than that of the rubber injected by the second rubber injection port.

Preferably, a guiding column is further arranged between the upper die core and the lower die core, and the guiding column is arranged at the edge of the upper die core and extends downwards into the lower die core for guiding movement.

Preferably, a buffer spring is further sleeved in the guide post for buffering and decelerating when the die core is buckled.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows: the utility model has simple structure and convenient use, and can complete the injection molding process of the soles with different hardness in the same die by arranging two glue injection ports for injecting the glue with different hardness on the upper die core, reduce the transferring process, improve the production efficiency, fully and uniformly adhere the two glue with different hardness together when injecting the glue with different hardness at the same time, improve the connection strength between the two glue with different hardness, avoid the situation of fracture at the connecting part in the long-time use process, reduce the production of defective products and reduce the production cost of enterprises.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic overall top view of the present utility model.

Fig. 2 is a schematic side view of the present utility model.

Fig. 3 is a schematic diagram of the front structure of the present utility model.

FIG. 4 is a schematic diagram of the upper core part of the present utility model.

Wherein, each reference sign in the figure:

100. an upper die core; 110. forming a male die; 200. a lower die core; 210. a cavity groove; 300. a first glue injection port; 400. a second glue injection port; 500. a thimble mechanism; 600. and a guide post.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "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 application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

Referring to fig. 1-4: the utility model provides a dual hardness integrated into one piece mould, including last mould benevolence 100 and the lower mould benevolence 200 that matches and cover with it, through be equipped with die cavity recess 210 on lower mould benevolence 200, and be equipped with the shaping terrace die 110 that stretches out downwards on last mould benevolence 100, through making the shaping terrace die 110 of last mould benevolence 100 and the die cavity recess 210 of lower mould benevolence 200 mutually support, and make both form the clearance after the lock for the sizing material flow cooling shaping of injection in the clearance to become required product, wherein, be equipped with first injecting glue mouth 300 and second injecting glue mouth 400 on last mould benevolence 100, and make first injecting glue mouth 300 and second injecting glue mouth 400 set up respectively at the left and right sides of shaping terrace die 110, make its processing shaping product through injecting the sizing material simultaneously from both ends.

In this embodiment, the number of the cavity grooves 210 is more than two, and the number of the molding punches 110 is matched with the number of the cavity grooves 210, so that a plurality of products can be simultaneously processed and molded, and the processing and production efficiency and the product number are improved.

In the present embodiment, by disposing the second glue injection port 400 between the adjacent molding punches 110, the second glue injection port 400 is enabled to inject glue material into the adjacent molding punches 110, respectively, so that the molded product can be cooled rapidly.

Further, the number of the first glue injection openings 300 is also two, and the two first glue injection openings 300 are arranged at the outer end of the forming male die 110, so that the two first glue injection openings 300 are far away from each other, glue materials can be injected into a cavity gap with the second glue injection openings 400 at the same time, the glue materials can be quickly mixed together, the connection strength between the two glue materials is improved, and the quality of products is ensured.

In this embodiment, the ejector pin mechanism 500 is further disposed below the cavity groove 210 by disposing the ejector pin mechanism 500 in the lower mold core 200, so that the molded product can be rapidly ejected out of the cavity groove through the ejector pin mechanism 500, and thus the molded injection product can be rapidly ejected, the effect of rapid blanking is achieved, and the production efficiency is improved.

Specifically, the hardness of the glue injected from the first glue injection port 300 is greater than/less than that of the glue injected from the second glue injection port 400, and glue with different hardness is filled into two different glue injection ports and can be injected into the mold core at the same time, and the glue can be firmly bonded together at high temperature and in a fluid state, so that the connection strength between the glue injection ports is improved, the higher connection strength of a product in the subsequent use process is ensured, and a better protection effect is achieved.

In this embodiment, a guide post 600 is further disposed between the upper mold core 100 and the lower mold core 200, and the guide post 600 is disposed at the edge of the upper mold core 100 and extends downward into the lower mold core 200 for guiding movement, so that the upper mold core 100 can be quickly and accurately fastened together during sliding fastening.

Further, the buffer spring is sleeved in the guide post 600, so that the buffer and deceleration effects are achieved when the die core is buckled, the upper die core 100 can be guaranteed to be slowly matched during die matching, and damage to the die caused by force generated during instant die matching is avoided.

The foregoing description of the preferred embodiments of the present utility model has been provided for the purpose of illustrating the general principles of the present utility model and is not to be construed as limiting the scope of the utility model in any way. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model, and other embodiments of the present utility model as will occur to those skilled in the art without the exercise of inventive faculty, are intended to be included within the scope of the present utility model.

Claims (8)

1. The utility model provides a two hardness integrated into one piece moulds, includes mould benevolence (100) and rather than assorted lid lower mould benevolence (200), its characterized in that: the plastic injection molding machine is characterized in that a cavity groove (210) is formed in the lower die core (200), a forming male die (110) extending downwards is arranged on the upper die core (100), a gap is formed between the forming male die (110) of the upper die core (100) and the cavity groove (210) of the lower die core (200) after the forming male die and the cavity groove (210) of the lower die core are matched with each other so as to be used for injecting plastic material for cooling and forming, a first plastic injection port (300) and a second plastic injection port (400) are formed in the upper die core (100), and the first plastic injection port (300) and the second plastic injection port (400) are respectively arranged at the left end and the right end of the forming male die (110) for plastic injection.

2. The dual hardness integrally formed die set forth in claim 1, wherein: the number of the cavity grooves (210) is more than two, and the number of the forming male dies (110) is matched with the number of the cavity grooves (210).

3. The dual hardness integrally formed die set forth in claim 2, wherein: the second glue injection ports (400) are arranged between the adjacent forming convex dies (110), and the second glue injection ports (400) are used for injecting glue stock into the adjacent forming convex dies (110) respectively for cooling the formed product.

4. The dual hardness integrally formed die set forth in claim 2, wherein: the number of the first glue injection ports (300) is two, and the two first glue injection ports (300) are arranged at the outer end of the forming male die (110) and are far away from each other.

5. The dual hardness integrally formed die set forth in claim 1, wherein: and a thimble mechanism (500) is further arranged in the lower die core (200), and the thimble mechanism (500) is positioned below the cavity groove (210) and is used for ejecting the molded injection product.

6. The dual hardness integrally formed die set forth in claim 1, wherein: the hardness of the rubber material injected by the first rubber injection port (300) is larger than/smaller than that of the rubber material injected by the second rubber injection port (400).

7. The dual hardness integrally formed die set forth in claim 1, wherein: a guide column (600) is further arranged between the upper die core (100) and the lower die core (200), and the guide column (600) is arranged at the edge of the upper die core (100) and extends downwards into the lower die core (200) for guiding movement.

8. The dual hardness integrally formed die set forth in claim 7, wherein: and a buffer spring is also sleeved in the guide column (600) and used for buffering and decelerating when the die core is buckled.