CN216506465U

CN216506465U - Mold for goggles frame

Info

Publication number: CN216506465U
Application number: CN202123154688.3U
Authority: CN
Inventors: 廖文亮
Original assignee: Suzhou Lylap Mould Technology Co ltd
Current assignee: Suzhou Lylap Mould Technology Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-05-13
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to the technical field of die devices, in particular to a die of an eye protection frame; the glass protective spectacle frame comprises a panel and a bottom plate, wherein an A plate is fixedly arranged below the panel, an upper die core is arranged on the A plate, an injection molding channel is integrally arranged on the panel, the A plate and the upper die core in a penetrating manner, and upper cavities for forming a protective spectacle frame are symmetrically arranged on the upper die core in the left-right direction; square irons are fixedly arranged at two ends above the bottom plate, a B plate is fixedly arranged on the square irons, a lower die core is arranged on the B plate, inserts for forming air holes on the goggles frame are embedded in the lower die core, and lower cavities for forming the goggles frame are symmetrically arranged on the lower die core in the left and right direction; the upper cavity and the lower cavity enclose a product cavity forming the goggle bracket together, the product cavity is in a flat shape of the goggle bracket, and the injection molding channel is communicated with the two product cavities; the die is small in size and simple in structure, only the plate A and the plate B are required to be split, a sliding block structure is avoided, and the die cost is reduced by 50%; the injection molding channel is communicated with the two product cavities, so that the production efficiency is improved.

Description

Mold for goggles frame

Technical Field

The utility model relates to the technical field of mold devices, in particular to a mold for an eye protection frame.

Background

With the improvement of public health protection consciousness, the demand of protection products is promoted, the shape of the components of the existing goggles is complex, and the difficulty in processing and designing a mould is high, so that the manufacturing period is long, the process is complex, and the sudden market demand is difficult to meet; at present, a design and processing scheme aiming at the fact that goggles are not fixed and mature is mostly used for designing and processing a mould according to a forming structure when the goggles are assembled; the existing goggles frame mold is complex in design and multiple in mechanical structure, the goggles frame mold is mostly designed according to annular mold splitting, more sliding blocks are needed, and more demolding directions are needed; on one hand, inaccurate assembly and difficult matching are easy to occur, and product defects (cloak, air trapping and uneven glue thickness) are easy to occur; on the other hand, the material cost and the processing cost are high, and the subsequent maintenance cost is high; the mold for the goggle bracket is provided to solve the problems in the prior art, and the retrieval shows that the technical scheme which is the same as or similar to that of the goggle bracket is not found.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the utility model provides a mould of goggles frame to it is complicated to solve among the prior art design of goggles frame mould, and mechanical structure is many, and the mould design is mostly according to the ring type divide the mould, and the slider needs many, and the drawing of patterns direction that needs is many, leads to appearing product defect easily, and material cost and processing cost height, the high problem of follow-up cost of maintenance.

The technical scheme of the utility model is as follows: a mould of an eye protection spectacle frame comprises a panel and a bottom plate, wherein an A plate is fixedly arranged below the panel, an upper mould core is arranged on the A plate, an injection molding channel is integrally arranged on the panel, the A plate and the upper mould core in a penetrating manner, and upper mould cavities for forming the eye protection spectacle frame are symmetrically arranged on the upper mould core from left to right; square irons are fixedly arranged at two ends above the bottom plate, a B plate is fixedly arranged on the square irons, a lower die core is arranged on the B plate, an insert used for forming an air hole in the goggles frame is embedded in the lower die core, and lower cavities used for forming the goggles frame are symmetrically arranged on the lower die core from left to right; the upper cavity and the lower cavity enclose together to form a product cavity of the goggle bracket, and the product cavity is in a flat shape of the goggle bracket; the injection molding channel is communicated with the two product cavities.

Preferably, positioning concave plates are arranged on the side edges of the periphery of the plate A; and positioning convex plates matched with the positioning concave plates are arranged on the peripheral side edges of the plate B.

Preferably, cooling pipelines are arranged inside the plate A and the plate B.

Preferably, guide pillars are fixedly arranged at four corners of the plate B, and guide sleeves matched with the guide pillars are fixedly arranged at four corners of the plate A.

Preferably, a through hole is formed in the bottom plate, a push rod is arranged in the through hole, a lower ejector plate is fixedly arranged at the upper end of the push rod, an upper ejector plate is fixedly arranged at the upper end of the lower ejector plate, and a plurality of ejector pins are fixedly arranged on the upper ejector plate; the upper ejector plate is also fixedly provided with a reset rod, and the reset rod is sleeved with a spring.

Preferably, the upper ejector plate and the lower ejector plate are provided with guide rod through holes in a penetrating mode, and guide rods matched with the guide rod through holes are fixedly arranged between the bottom plate and the plate B.

Compared with the prior art, the utility model has the advantages that:

(1) the utility model is characterized in that an upper die core is arranged on a plate A, an upper die cavity forming an goggles frame is symmetrically arranged on the upper die core in the left-right direction, a lower die core is arranged on a plate B, a lower die cavity forming the goggles frame is symmetrically arranged on the lower die core in the left-right direction, the upper die cavity and the lower die cavity jointly enclose a product die cavity forming the goggles frame, and the product die cavity is in a goggle frame flat shape; compared with the prior art that the sliding block needs more annular die divisions, the method has the advantages that the injection molding period is shortened by 1/3, the size of the die is small, the structure is simplified, only the A plate and the B plate are required to be divided, the sliding block structure is avoided, and the cost of the die is reduced by 50%; the injection molding channel is communicated with the two product cavities, so that the production efficiency is improved.

(2) The utility model has simple structure, increases the operation strength of the die, prolongs the service life of the die and reduces the requirements of product production on the injection molding machine.

Drawings

The utility model is further described with reference to the following figures and examples:

fig. 1 is a schematic structural view of a middle panel, an a panel and an upper mold core of a mold for an eyewear platform according to the present invention;

fig. 2 is a schematic structural view of a middle bottom plate, a B plate and a lower mold core of a mold for an eyewear platform according to the present invention;

fig. 3 is a side schematic view of a mold for an eyewear platform according to the present invention;

fig. 4 is a top view of a mold for an eyewear platform according to the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a schematic view of a perspective structure of a finished eyewear platform product in a mold for an eyewear platform according to the present invention;

fig. 7 is a schematic view of another perspective view of a finished eyewear platform product in a mold for an eyewear platform according to the present invention.

Wherein: 1. the injection molding device comprises a panel, a plate A, a plate 3, an upper die core, a cavity 4, an upper cavity 5, an injection molding channel 6, a positioning concave plate 7 and a guide sleeve; 8. the device comprises a base plate, 9, square iron, 10, a plate B, 11, a lower mold core, 12, a lower mold cavity, 13, an insert, 14, a positioning convex plate, 15, a guide pillar, 16, a through hole, 17, a lower ejector plate, 18, an upper ejector plate, 19, an ejector pin, 20, a reset rod, 21, a spring, 22, a cooling pipeline, 23, a guide rod, 24 and an eye protection frame.

Detailed Description

The present invention will be further described in detail with reference to the following specific examples:

in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-7, a mold for an eyewear platform comprises a panel 1 and a bottom plate 8, wherein an a plate 2 is fixedly arranged below the panel 1, an upper mold core 3 is arranged on the a plate 2, an injection molding channel 5 is integrally arranged on the panel 1, the a plate 2 and the upper mold core 3 in a penetrating manner, and upper cavities 4 forming eyewear platforms 24 are symmetrically arranged on the upper mold core 3 in a left-right manner; square irons 9 are fixedly arranged at two ends above the bottom plate 8, a B plate 10 is fixedly arranged on the square irons 9, a lower die core 11 is arranged on the B plate 10, an insert 13 for forming air holes on the goggles frame 24 is embedded on the lower die core 11, and lower die cavities 12 for forming the goggles frame 24 are symmetrically arranged on the lower die core 11 in the left-right direction; the upper cavity 4 and the lower cavity 12 jointly enclose a product cavity forming the goggle bracket 24, the product cavity is in a flat shape of the goggle bracket 24, and the flat shape is compared with the prior art that a sliding block needs more annular die parting, only the A plate 2 and the B plate 10 are needed for parting, so that the structure is simpler; the injection molding channel 5 is communicated with two product cavities, namely two products of the goggles frame 24 are produced by one-time injection molding, and the production efficiency is improved.

Positioning concave plates 6 are arranged on the peripheral side edges of the A plate 2; the positioning convex plates 14 matched with the positioning concave plates 6 are arranged on the peripheral side edges of the B plate 10, and the positioning accuracy of the A plate 2 and the B plate 10 in die assembly is enhanced.

The cooling pipelines 22 are arranged inside the plate A2 and the plate B10, in the embodiment, the cooling pipelines 22 are arranged up and down around the product cavity and are rectangular, so that the cooling and shrinkage of the product in the mold are effectively controlled, the size and the surface accuracy of the product are improved, and the production efficiency of the product is improved; the medium in the cooling line 22 may be water or oil, and in this embodiment, the medium is water.

Guide posts 15 are fixedly arranged at four corners of the B plate 10, guide sleeves 7 matched with the guide posts 15 are fixedly arranged at four corners of the A plate 2, and the A plate 2 and the B plate 10 are ensured to be oppositely combined in correct positions.

A through hole 16 is arranged on the bottom plate 8, a push rod (not shown in the figure) is arranged in the through hole 16, a lower ejector plate 17 is fixedly arranged at the upper end of the push rod, an upper ejector plate 18 is fixedly arranged at the upper end of the lower ejector plate 17, and a plurality of ejectors 19 are fixedly arranged on the upper ejector plate 18; a return rod 20 is also fixedly arranged on the upper ejector plate 18, and a spring 21 is sleeved on the return rod 20; specifically, the push rod is connected with a hydraulic cylinder, after the mold is opened, the hydraulic cylinder pushes the injection molded eye protection frame 24 down by a plurality of ejector pins 19 by controlling the push rod to move forwards, and the spring 21 automatically resets the upper ejector plate 18, the lower ejector plate 17 and the ejector pins 19 through elasticity.

The upper ejector plate 18 and the lower ejector plate 17 are provided with guide rod through holes in a penetrating mode, guide rods 23 matched with the guide rod through holes are fixedly arranged between the bottom plate 8 and the B plate 10, and the pushing stability of the ejector pins 19 is enhanced.

The specific working principle of this embodiment is as follows: a driving mechanism of the injection molding machine drives an A plate 2 on a panel 1 and a B plate 10 on a bottom plate 8 to be matched, and injection molding is started through an injection molding channel 5; after the goggle bracket 24 is molded in a product cavity, cooling water is injected into a water inlet of the cooling pipeline 22, the cooling water is discharged from a water outlet after cooling the goggle bracket 24 through a cooling pipeline, and the water injection is stopped when the goggle bracket 24 reaches the demolding temperature; the driving mechanism drives the A plate 2 to open the mold, the push rod pushes a plurality of ejector pins 19 on the upper ejector pin plate 18 to move forwards, the eye protection frame 24 is demoulded from the lower mold core 11, and finally the spring 21 automatically resets the upper ejector pin plate 18 and the lower ejector pin plate 17 through elasticity; and closing the mold of the injection molding machine and entering the next cycle.

The goggles frame 24 is made of soft rubber, and finally, the goggles frame 24 product is directly installed with the lenses.

The above embodiments are only for illustrating the technical idea and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the protection scope of the present invention. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that the present embodiments be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A mold for an eyewear frame is characterized in that: the glass protective frame comprises a panel and a bottom plate, wherein an A plate is fixedly arranged below the panel, an upper die core is arranged on the A plate, an injection molding channel is integrally arranged on the panel, the A plate and the upper die core in a penetrating manner, and upper die cavities for forming a protective frame are symmetrically arranged on the upper die core in a left-right manner; square irons are fixedly arranged at two ends above the bottom plate, a B plate is fixedly arranged on the square irons, a lower die core is arranged on the B plate, inserts for forming air holes in the goggles frame are embedded in the lower die core, and lower cavities for forming the goggles frame are symmetrically arranged on the lower die core in the left-right direction; the upper cavity and the lower cavity enclose together to form a product cavity of the goggle bracket, and the product cavity is in a flat shape of the goggle bracket; the injection molding channel is communicated with the two product cavities.

2. A mold for an eyewear platform as in claim 1, wherein: positioning concave plates are arranged on the peripheral side edges of the A plate; and positioning convex plates matched with the positioning concave plates are arranged on the peripheral side edges of the plate B.

3. A mold for an eyewear platform as in claim 1, wherein: and cooling pipelines are arranged in the plate A and the plate B.

4. A mold for an eyewear platform as in claim 1, wherein: guide posts are fixedly arranged at four corners of the plate B, and guide sleeves matched with the guide posts are fixedly arranged at four corners of the plate A.

5. A mold for an eyewear platform as in claim 1, wherein: a through hole is formed in the bottom plate, a push rod is arranged in the through hole, a lower ejector plate is fixedly arranged at the upper end of the push rod, an upper ejector plate is fixedly arranged at the upper end of the lower ejector plate, and a plurality of ejector pins are fixedly arranged on the upper ejector plate; the upper ejector plate is further fixedly provided with a reset rod, and a spring is sleeved on the reset rod.

6. A mold for an eyewear platform as in claim 5, wherein: the upper ejector plate and the lower ejector plate are provided with guide rod through holes in a penetrating mode, and guide rods matched with the guide rod through holes are fixedly arranged between the bottom plate and the plate B.