CN111113805A

CN111113805A - Mould structure of magnifying glass

Info

Publication number: CN111113805A
Application number: CN201911205373.1A
Authority: CN
Inventors: 曹明轩; 杜大明; 王志文; 张彦军; 乐庆盛; 王颖
Original assignee: Wuyi University
Current assignee: Wuyi University
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-05-08
Anticipated expiration: 2039-11-29
Also published as: CN111113805B

Abstract

The invention discloses a magnifying lens mold structure which comprises an upper mold core, a first lower mold core and a second lower mold core, wherein a boss is arranged in the middle of the first lower mold core, a plurality of first grooves used for producing a handle are formed in the boss, a through hole communicated with the first grooves is formed in the first lower mold core, the through hole is formed in two sides of the boss, the second lower mold core is arranged below the first lower mold core, a mold core capable of being completely embedded into the first grooves is arranged on the second lower mold core, a second groove used for producing the handle is formed by matching the upper mold core with the first grooves, a third groove sleeved outside the mold core and used for producing a lens frame is formed, and the first groove and the second groove are communicated with the third groove. The parting surface is trapezoidal, so that the parting surface is positioned on two sides of the mirror frame, the mirror frame is prevented from forming flash, and the attractiveness of the magnifier is effectively improved.

Description

Mould structure of magnifying glass

Technical Field

The invention relates to the field of molds, in particular to a magnifying lens mold structure.

Background

When the existing magnifier is used for injection molding, the existing mode generally directly uses the middle position of the magnifier as a parting surface, but the design is easy to form flash, and the beauty of the magnifier is affected.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a magnifier mold structure which can eliminate flash.

The magnifying lens mold structure comprises an upper mold core, a first lower mold core and a second lower mold core, wherein a boss is arranged in the middle of the first lower mold core, a plurality of first grooves used for producing handles are formed in the boss, a through hole is formed in the first lower mold core and is formed in two sides of the boss, the second lower mold core is arranged below the first lower mold core, a mold core capable of being completely embedded into the first grooves is arranged on the second lower mold core, a second groove used for producing the handles is formed in the upper mold core in a matched mode with the first grooves, a third groove used for producing a mirror frame is formed in the outer portion of the mold core in a sleeved mode, and the first groove and the second groove are communicated with the third groove.

The magnifying glass mold structure provided by the embodiment of the invention at least has the following beneficial effects: the parting surface is trapezoidal, so that the parting surface is positioned on two sides of the mirror frame, the mirror frame is prevented from forming flash, and the attractiveness of the magnifier is effectively improved.

According to some embodiments of the invention, the core insert further comprises an upper mold plate, the upper mold plate is provided with a pouring gate, the boss is provided with a plurality of branch pouring channels, the branch pouring channels are communicated with the first groove, and main pouring channels penetrating into the branch pouring channels are arranged in the upper mold core and the upper mold plate. The mold can produce a plurality of products simultaneously.

According to some embodiments of the present invention, the insert molding device further includes a top pillar and a push plate, the top pillar is inserted into the second lower mold core and can slide in the second lower mold core, the push plate fixes the top pillar, and one end of the top pillar, which is far away from the push plate, abuts against the bottom of the first lower mold core. The ejection column is pushed by the push plate, the first lower die core is pushed away from the second lower die core, so that the product is separated from the die core, and the product falls off under the action of gravity to finish the demoulding.

According to some embodiments of the present invention, a plurality of guide pillars are connected between the first lower mold core and the second lower mold core. The guiding function is realized, so that the first lower die core and the second lower die core can move along the fixed direction when sliding relatively.

According to some embodiments of the invention, the upper mold plate and the upper mold core are fixedly connected by screws.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of an installation structure of an embodiment of the present invention;

fig. 2 is a schematic view of an installation structure between an upper mold core, a first lower mold core and a second lower mold core according to an embodiment of the present invention.

Drawings

An upper mold core 100; a first lower mold core 200; a second lower mold 300; a boss 210; a first groove 220; a through-hole 240; a core 310; a second groove 120; a third recess 110; an upper template 500; a gate 510; a branch gate 230; a push plate 400; a top pillar 410; a guide post 600.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, the magnifier mold structure includes an upper mold 100, a first lower mold 200 and a second lower mold 300, wherein a boss 210 is disposed in the middle of the first lower mold 200, the boss 210 is provided with a plurality of first grooves 220 for producing handles, the first lower mold 200 is provided with through holes 240, the through holes 240 are disposed on two sides of the boss 210, the second lower mold 300 is disposed below the first lower mold 200, the second lower mold 300 is provided with a mold core 310 capable of being completely embedded into the first grooves 220, the upper mold 100 is provided with a second groove 120 matched with the first grooves 220 to form handles, and a third groove 110 sleeved on the mold core 310 and externally used for producing a mirror frame, and the first groove 220 and the second groove 120 are communicated with the third groove 110.

In whole mould, the parting is personally submitted trapezoidally, and the die joint of handle still is in central line department, and the die joint of picture frame is located one of them side of picture frame to avoid the picture frame to form the overlap, effectively improve the aesthetic measure of magnifying glass.

In some embodiments, the core insert further comprises an upper mold plate 500, the upper mold plate 500 is provided with a sprue 510, the boss 210 is provided with a plurality of branch runners 230, the branch runners 230 are communicated with the first grooves 220, and a main runner penetrating into the branch runners 230 is disposed in the upper mold core 100 and the upper mold plate 500. Thereby realizing that one mould can produce a plurality of products at the same time. In this embodiment, a mold with four cavities is adopted, and molten plastic is poured into the main runner, and enters the first groove 220, the second groove 120 and the third groove 110 through the branch runner 230, so as to manufacture the magnifier.

In some embodiments, the insert further includes a top pillar 410 and a push plate 400, the top pillar 410 is inserted into the second lower mold core 300 and can slide in the second lower mold core 300, the push plate 400 fixes the top pillar 410, and an end of the top pillar 410 away from the push plate 400 abuts against the bottom of the first lower mold core 200. After the product is produced, the ejector pin 410 is pushed by the push plate 400, the ejector pin 410 pushes the first lower mold core 200 away from the second lower mold core 300, so that the product is released from the mold core 310, and after the product is released, the product drops under the action of gravity, and the demolding is completed.

In some embodiments, a plurality of guide pillars 600 are connected between the first lower mold core 200 and the second lower mold core 300. The guide post 600 plays a role in guiding, so that the first lower mold core 200 and the second lower mold core 300 can move along a fixed direction when sliding relatively, thereby preventing the first lower mold core 200 and the second lower mold core 300 from being staggered when the mold is opened or closed, and avoiding the damage to the product when the mold is closed or released.

In some embodiments, the upper mold plate 500 and the upper mold core 100 are fixedly connected by screws. The upper die plate 500 and the upper die core 100 are not separated in the using process, and the production safety is ensured.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. Magnifying glass mould structure, its characterized in that includes mould benevolence, first lower mould benevolence and second lower mould benevolence, the middle part of first lower mould benevolence is provided with the boss, the boss is provided with the first recess that a plurality of is used for producing the handle, first lower mould benevolence is provided with the through-hole, the through-hole sets up the both sides of boss, the second lower mould benevolence sets up the below of first lower mould benevolence, the second lower mould benevolence is provided with can imbed completely the core in the first recess, go up the mould benevolence be provided with first recess cooperation forms the second recess that is used for producing the handle, and the cover is established the third recess that is used for producing the picture frame outside the core, first recess reaches the second recess with third recess intercommunication.

2. The magnifier mold structure according to claim 1, further comprising an upper mold plate, wherein the upper mold plate is provided with a pouring gate, the boss is provided with a plurality of branch pouring gates, the branch pouring gates are communicated with the first groove, and a main pouring gate penetrating into the branch pouring gates is arranged in the upper mold core and the upper mold plate.

3. The magnifier mold structure according to claim 1, further comprising a top pillar and a push plate, wherein the top pillar is inserted into the second lower mold core and can slide in the second lower mold core, the push plate fixes the top pillar, and one end of the top pillar, which is far away from the push plate, abuts against the bottom of the first lower mold core.

4. The magnifier mold structure as claimed in claim 3, wherein a plurality of guide posts are connected between said first lower mold core and said second lower mold core.

5. The magnifier mold structure of claim 2, wherein the upper template and the upper mold core are fixedly connected by screws.