CN217573848U

CN217573848U - Glasses forming die cavity mechanism

Info

Publication number: CN217573848U
Application number: CN202220770121.4U
Authority: CN
Inventors: 陈聪文; 梁晓强
Original assignee: Huamao Optical Industry Xiamen Co ltd
Current assignee: Huamao Optical Industry Xiamen Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-10-14
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a cavity mechanism of a glasses forming mold, which comprises a front mold component, a rear mold component and a mold core component positioned between the front mold component and the rear mold component; the mold core component comprises a front mold core plate and a rear mold core plate, the rear mold core plate is made of hard materials, a rigid rear molding cavity is formed in the surface of the rear mold core plate, the front mold core plate comprises a buffer plate, the buffer plate is made of elastic materials, an elastic front molding cavity is formed in the surface of the buffer plate, and an injection molding cavity is formed by covering the elastic front molding cavity and the rigid rear molding cavity. The utility model discloses increased soft material and in order to restrict the glasses shaping in the cavity of moulding plastics, avoided burr deckle edge's production in the at utmost, reduced the deckle edge's of follow-up pruning burr process, reduced the human cost, and avoided the front mould subassembly to weigh the product surface, improved the shaping rate of product.

Description

Glasses forming die cavity mechanism

Technical Field

The utility model relates to a technical field of mould, concretely relates to glasses forming die cavity mechanism.

Background

In the prior art, a mold injection molding process is generally adopted for molding glasses, and an injection mold comprises a front mold component, a rear mold component and a mold core component, wherein the front mold component and the rear mold component are arranged in sequence from front to back and can move relatively, and the mold core component is positioned between the front mold component and the rear mold component; the mold core component comprises a front mold core plate and a rear mold core plate, the front mold core plate and the rear mold core plate cover to form an injection molding cavity, and a product is formed in the injection molding cavity. However, the existing injection mold for glasses has the following problems:

firstly, the formed glasses have more burrs and burrs, a manual burr and burr trimming procedure needs to be additionally added, the labor cost is increased, and time and labor are wasted;

secondly, the injection mold is heavy in weight and high in strength, and the surface of a product can be damaged after injection molding, so that the molding rate of the product is reduced;

thirdly, the requirement for the smooth quality of the appearance is high in the process of forming the glasses, but after the existing injection mold cavity is used for a long time, the existing injection mold cavity is easy to rust, and the forming of the glasses is affected.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a glasses forming die cavity mechanism for solve above-mentioned at least one technical problem.

The utility model discloses a following technical scheme realizes:

the utility model provides a cavity mechanism of a glasses forming mold, which comprises a front mold component, a rear mold component and a mold core component positioned between the front mold component and the rear mold component; the mold core component comprises a front mold core plate and a rear mold core plate, wherein the rear mold core plate is made of hard materials, a rigid rear molding cavity is formed in the surface of the rear mold core plate, the front mold core plate comprises a buffer plate, the buffer plate is made of elastic materials, an elastic front molding cavity is formed in the surface of the buffer plate, and an injection molding cavity is formed by covering the elastic front molding cavity and the rigid rear molding cavity.

Furthermore, the buffer plate is made of rubber.

Furthermore, the rear mold core plate is made of PTEF.

Furthermore, a clamping groove with the same size as the buffer plate is formed in the front mold core plate, and the buffer plate is embedded into the clamping groove and fixed in the clamping groove.

Further, the front core plate is made of hard materials.

Furthermore, the front core plate is made of PTEF.

Further, the thickness range of the buffer plate is 20mm-30 mm.

Further, the buffer plate embedded in the clamping groove is flush with the front mold core plate.

Further, the distance between the buffer plate and the outer periphery of the front mold core plate is more than 20 mm.

After the technical scheme is adopted, the utility model discloses following beneficial effect has at least:

firstly, the utility model adds a buffer board to limit the glasses to be molded in the injection molding cavity, thereby avoiding burr and burr to the maximum extent, reducing the subsequent procedures of trimming burr and reducing the labor cost;

and secondly, the buffer plate is arranged on the front mold core plate, so that a certain buffer effect is achieved in the injection molding process, the surface of the product is prevented from being crushed by the front mold assembly, and the molding rate of the product is improved.

Thirdly, the added buffer plate avoids rusting of the injection molding mold core cavity in direct contact with the glasses, and influences are caused to the product.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural view of a front mold core plate of the present invention;

fig. 2 is an exploded view of the front core plate of the present invention;

fig. 3 is a schematic view showing a separated state of the front core plate and the rear core plate according to the present invention;

fig. 4 is an exploded view of the front core plate and the rear core plate of the present invention.

Description of reference numerals:

the front mold core plate 1, the clamping groove 111, the rear mold core plate 2, the rear molding cavity 21, the buffer plate 3 and the front molding cavity 31.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. The components in the drawings are not necessarily to scale, and similar reference numerals are generally used to identify similar components.

Meanwhile, the directions of front, rear, left, right, and the like referred to in the present embodiment are only used as a reference for one direction, and do not represent directions in actual use.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 4, as an embodiment of the present invention, a cavity mechanism of a glasses-forming mold is provided, the glasses-forming injection mold includes a front mold assembly, a rear mold assembly and a mold core assembly located between the front mold assembly and the rear mold assembly, which are sequentially arranged from front to back and can move relatively; the mold core assembly includes front mould core board 1 and back mould core board 2, and back mould core board 2 is the stereoplasm material, and back mould core board 2's surface is formed with rigid back molding chamber 21, and front mould core board 1 is equipped with buffer board 3, and buffer board 3 is elastic property, and buffer board 3's surface forms elastic preceding molding chamber 31, borrows by elastic preceding molding chamber 31 and rigid back molding chamber 21 lid and closes the cavity of moulding plastics, and the product shaping is in this molding chamber. Specifically, the front mold assembly comprises a panel and a hot runner plate which are sequentially arranged from the front end to the rear end, a pouring gate is formed in the panel, a plurality of injection molding runners are arranged in the hot runner plate and connected with the front mold core plate and the pouring gate, and molten plastic extruded by the plastic extruder flows into the injection molding runners through the pouring gate and enters an injection molding cavity formed by the front mold core plate and the rear mold core plate to be solidified and molded after cooling. Of course, in other embodiments, the specific structure of the front mold assembly and the rear mold assembly is not limited thereto. In the present embodiment, the direction of the injection mold in the use state of being fixedly placed on the ground is taken as the description direction, that is, the side facing the front mold assembly 1 is the front side, and the side facing the rear mold assembly is the rear side.

Referring to fig. 1 to 2 and 4, specifically, a slot 111 is provided in the front mold core plate 1, and the size of the slot 111 is the same as that of the buffer plate 3, so that the buffer plate 3 is zero tolerance and is tightly embedded in the front mold core plate 1 for fixation; the cushion plate 3 fitted into the card slot 111 is flush with the front core plate 1. In this embodiment, the thickness range of the buffer plate 3 is 20mm to 30mm, and the distance between the buffer plate 3 and the outer periphery of the front mold core plate 1 is more than 20mm, so as to ensure the strength of the front mold core plate 1 and realize the injection molding of the glasses. The material of the buffer plate 3 can be soft material such as rubber, so that the buffer plate 3 has certain expansibility, the material of the rear mold core plate 2 and the front mold core plate 1 can be hard material such as PTEF, and the like, so that the buffer plate 3 made of elastic material and the rear mold core plate 2 made of hard material are better in sealing connection during injection molding, the situations of burrs and burrs of the formed glasses are reduced, and the cost of trimming the burrs and burrs manually in the follow-up process is reduced; secondly, the buffer plate 3 has certain elasticity and can play a certain buffer role, and when a product is formed in the injection molding cavity, the situation that the surface of the glasses is crushed due to the fact that a front mold core assembly is too heavy is avoided; finally, the buffer plate 3 is attached to the front mold core plate 1, so that the injection mold can be prevented from rusting, and subsequent secondary use is influenced.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a glasses forming die cavity mechanism which characterized in that: the die comprises a front die assembly, a rear die assembly and a die core assembly positioned between the front die assembly and the rear die assembly; the mold core component comprises a front mold core plate and a rear mold core plate, the rear mold core plate is made of hard materials, a rigid rear molding cavity is formed in the surface of the rear mold core plate, the front mold core plate comprises a buffer plate, the buffer plate is made of elastic materials, an elastic front molding cavity is formed in the surface of the buffer plate, and an injection molding cavity is formed by covering the elastic front molding cavity and the rigid rear molding cavity.

2. The lens-forming mold cavity mechanism of claim 1, wherein: the buffer plate is made of rubber.

3. The lens-forming mold cavity mechanism of claim 1, wherein: the rear mold core plate is made of PTEF.

4. The lens-forming mold cavity mechanism of claim 1, wherein: and a clamping groove with the same size as the buffer plate is arranged in the front mold core plate, and the buffer plate is embedded into the clamping groove and is fixed in the clamping groove.

5. The lens-forming mold cavity mechanism of claim 4, wherein: the front mold core plate is made of hard materials.

6. The lens-forming mold cavity mechanism of claim 5, wherein: the front mold core plate is made of PTEF.

7. The lens-forming mold cavity mechanism of claim 4, wherein: the thickness range of the buffer plate is 20mm-30 mm.

8. The lens-forming mold cavity mechanism of claim 4, wherein: the buffer plate embedded into the clamping groove is flush with the front mold core plate.

9. The lens-forming mold cavity mechanism of claim 4, wherein: the distance between the buffer plate and the periphery of the front mold core plate is more than 20 mm.