CN215550520U

CN215550520U - Mold with elastic block mechanism

Info

Publication number: CN215550520U
Application number: CN202121488769.4U
Authority: CN
Inventors: 胡爱明; 胡小明
Original assignee: Suzhou Usane Precision Tooling & Molding Co ltd
Current assignee: Suzhou Usane Precision Tooling & Molding Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-01-18
Anticipated expiration: 2031-07-02

Abstract

The utility model discloses a die with a spring block mechanism, which comprises: the upper fixing plate, the upper die plate, the lower die plate and the lower fixing plate are relatively provided with an upper die core and a lower die core, the upper fixing plate, the upper die plate and the lower die plate are correspondingly positioned through guide pillars and guide sleeves, metal pieces are arranged in the lower die core, a plurality of groups of elastic block mechanisms in one-to-one correspondence with the metal pieces are arranged in the upper die plate, each elastic block mechanism comprises a pressing-in part insert, an elastic block arranged at the upper end of the pressing-in part insert and a spring sleeved on the upper end of the elastic block, the upper end of the spring is abutted to the inner wall of the upper die plate, and the lower end of the pressing-in part insert is abutted to the metal pieces. According to the die with the elastic block mechanism, the elastic block can be automatically adjusted up and down according to the height of the iron core under the action of the spring, so that burrs of a product in injection molding are not prone to occurring.

Description

Mold with elastic block mechanism

Technical Field

The utility model relates to the technical field of processing and manufacturing of dies, in particular to a die with an elastic block mechanism.

Background

Injection molding is a processing method used when parts with complex shapes are produced in batches, so that injection molds are commonly used in the modern manufacturing industry, in the injection molding industry, iron parts are embedded into some parts, the product demolding inclination is small, the concentricity requirement is high, the traditional mold can design a demolding angle to place the product, so that burrs and demolding difficulty can be caused on the product, the production efficiency is reduced, and the mold is complex in mechanism, difficult to maintain and high in maintenance cost.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem of providing the die with the elastic block mechanism, solves the problem of burrs caused by the thickness difference of metal pieces by using the elastic block mechanism, has a simple structure, is convenient to demould, and improves the production efficiency.

In order to solve the technical problems, the utility model adopts a technical scheme that: a die with a spring block mechanism, comprising: the upper fixing plate, the upper die plate, the lower die plate and the lower fixing plate are relatively provided with an upper die core and a lower die core, the upper fixing plate, the upper die plate and the lower die plate are correspondingly positioned through guide pillars and guide sleeves, metal pieces are arranged in the lower die core, a plurality of groups of elastic block mechanisms in one-to-one correspondence with the metal pieces are arranged in the upper die plate, each elastic block mechanism comprises a pressing-in part insert, an elastic block arranged at the upper end of the pressing-in part insert and a spring sleeved on the upper end of the elastic block, the upper end of the spring is abutted to the inner wall of the upper die plate, and the lower end of the pressing-in part insert is abutted to the metal pieces.

In a preferred embodiment of the present invention, the bullet block has a cross-shaped structure.

In a preferred embodiment of the present invention, two sides of the lower mold core are correspondingly provided with auxiliary demolding mechanisms.

In a preferred embodiment of the present invention, the demolding assisting mechanism includes a slider seat, a slider locked on the slider seat, and an inclined guide post, the slider seat is provided with a guide hole, a lower end of the inclined guide post is inserted into the guide hole, and one side of the slider seat away from the lower mold core is provided with an elastic force limiting post.

In a preferred embodiment of the present invention, a positioning ring is correspondingly disposed above the upper fixing plate.

In a preferred embodiment of the utility model, the lower template is arranged on the lower fixing plate through the mold legs, and the upper ejector plate and the lower ejector plate are sequentially arranged between the mold legs from top to bottom.

The utility model has the beneficial effects that: according to the mould with the elastic block mechanism, the elastic block can be automatically adjusted up and down according to the height of the iron core under the action of the spring, so that burrs are not easy to appear on a product in injection molding; simple structure, the drawing of patterns complementary unit that the lower mould benevolence both sides set up, walking is opened by oneself about the slider when the mould die sinking, and the shaping of putting into of square metalwork, the drawing of patterns is convenient, has improved production efficiency, has extensive market prospect in the mould field simultaneously.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic view of the internal structure of a mold with a spring block mechanism according to the present invention;

FIG. 2 is a cross-sectional view of a mold with a spring block mechanism of the present invention;

FIG. 3 is an enlarged view taken at box in FIG. 2;

FIG. 4 is a schematic structural view of a lower template or the like in the present invention;

FIG. 5 is a schematic structural view of a metal part in the present invention;

fig. 6 is a schematic view of the structure of the product processed by the mold of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a mold with a spring block mechanism according to the present invention includes: the upper die comprises an upper fixing plate 1, an upper die plate 2, a lower die plate 3 and a lower fixing plate 4, wherein an upper die core 5 and a lower die core 6 are arranged on the upper die plate and the lower die plate relatively, and the upper fixing plate, the upper die plate and the lower die plate are correspondingly positioned through guide pillars and guide sleeves 7, so that the precision of the upper die plate and the lower die plate in up-and-down motion is guaranteed.

The lower die core is internally provided with a metal piece 8, the upper die plate is internally provided with a plurality of groups of elastic block mechanisms 9 which correspond to the metal piece one by one, in a specific embodiment, as shown in fig. 5, the metal piece is provided with thirteen parts, the corresponding elastic block mechanisms are also provided with thirteen groups, each elastic block mechanism comprises a pressing-in part insert 91, an elastic block 92 arranged at the upper end of the pressing-in part insert and a spring 93 sleeved at the upper end of the elastic block, specifically, the elastic block is in a cross-shaped structure, the upper end of the elastic block is connected with the inner wall of the upper die plate, the spring is sleeved at the upper end of the spring and abuts against the inner wall of the upper die plate, the lower end of the pressing-in part insert abuts against the metal piece, during operation, the pressing-in part insert forms elastic contact with the metal piece under the acting force of the spring, the tolerance requirement of the metal piece is kept at +/-0.5, and the position of the elastic block can be automatically adjusted up and down according to the height of the iron core under the action of the spring, the problem that burrs easily appear on products in the injection molding process is avoided.

Specifically, the both sides of lower mould benevolence correspond and are provided with drawing of patterns complementary unit, drawing of patterns complementary unit includes slider seat 10, locking slider 11 and oblique guide pillar 12 that sets up on the slider seat, be provided with diagonal guiding hole 13 on the slider seat, the lower extreme of oblique guide pillar is inserted and is located in the guiding hole, one side of keeping away from lower mould benevolence at the slider seat is provided with spacing post 14 of elasticity, the structure of spacing post of elasticity is the same with among the prior art, generally by the cover establish the spring on pin or other column poles, the spring exerts certain effort to the slider seat, spacing post of elasticity offsets with one side of slider seat, oblique guide pillar slowly inserts the guiding hole, at this moment, the inclined plane of oblique guide pillar can undulant slider walk about, the slider is opened by oneself when the mould, make things convenient for putting into shaping of metalwork, has ensured the emergence of mould moulding-die in the shaping.

Specifically, a positioning ring 15 is correspondingly arranged above the upper fixing plate.

Specifically, as shown in fig. 5-6, the lower mold plate is disposed on the lower fixing plate through mold legs 16, an upper ejector plate 17 and a lower ejector plate 18 are sequentially disposed between the two mold legs from top to bottom, the upper ejector plate is used for arranging ejector pins, and the ejector pins can penetrate through a mold cavity in the lower mold core, so that a product 19 formed in the mold cavity can be conveniently and rapidly demolded.

The die with the elastic block mechanism has the beneficial effects that: according to the mould with the elastic block mechanism, the elastic block can be automatically adjusted up and down according to the height of the iron core under the action of the spring, so that burrs are not easy to appear on a product in injection molding; simple structure, the drawing of patterns complementary unit that the lower mould benevolence both sides set up, walking is opened by oneself about the slider when the mould die sinking, and the shaping of putting into of square metalwork, the drawing of patterns is convenient, has improved production efficiency, has extensive market prospect in the mould field simultaneously.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A die with a spring block mechanism, comprising: the stamping die comprises an upper fixing plate, an upper die plate, a lower die plate and a lower fixing plate, wherein an upper die core and a lower die core are relatively arranged on the upper die plate and the lower die plate, and the upper fixing plate, the upper die plate and the lower die plate are correspondingly positioned through guide pillars and guide sleeves.

2. The mold with the spring block mechanism as claimed in claim 1, wherein the spring block is in a cross-shaped structure.

3. The mold with the spring block mechanism as claimed in claim 1, wherein the lower mold core is provided with auxiliary demolding mechanisms at two sides thereof.

4. The mold with the spring block mechanism as claimed in claim 3, wherein the demolding assisting mechanism comprises a slider seat, a slider locked on the slider seat, and an inclined guide post, the slider seat is provided with a guide hole, the lower end of the inclined guide post is inserted into the guide hole, and one side of the slider seat away from the lower mold core is provided with an elastic force limiting post.

5. The mold with the spring block mechanism as claimed in claim 1, wherein a positioning ring is correspondingly disposed above the upper fixing plate.

6. The mold with the elastic block mechanism according to claim 1, wherein the lower mold plate is arranged on the lower fixing plate through mold legs, and an upper ejector plate and a lower ejector plate are sequentially arranged between the mold legs from top to bottom.