CN212219119U

CN212219119U - Die structure for realizing automatic demoulding of inner ring of wrist strap

Info

Publication number: CN212219119U
Application number: CN202020425128.3U
Authority: CN
Inventors: 刘宏彪
Original assignee: Hefei Beiyu Electronic Technology Co ltd
Current assignee: Hefei Beiyu Electronic Technology Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-12-25
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses a realize automatic mould structure of demoulding of wrist strap inner circle, including upper die base and die holder the upper end intermediate position department of upper die base inlays and installs mould benevolence be provided with four guide posts between upper die base and the die holder upper end is provided with ejection mechanism, ejection mechanism is located under the mould benevolence, ejection mechanism includes thimble and thimble guide arm, ejection mechanism passes through thimble fixed plate fixed connection and is in the upper end of die holder the vertical cylinder of installing on the thimble fixed plate, the thimble is installed the tailpiece of the piston rod portion of cylinder mould benevolence upper end is provided with the template of production inner circle. The utility model discloses improve current inner circle mould, change mould benevolence into the inserted, do the up-and-down motion at the thimble of tailpiece of the piston rod portion through the cylinder drive, will be ejecting with mould benevolence cover template together through the thimble to with the inner circle from mould benevolence ejecting droing, realize the full automatic production of inner circle.

Description

Die structure for realizing automatic demoulding of inner ring of wrist strap

Technical Field

The utility model relates to an injection mold technical field, in particular to realize automatic demoulding's of wrist strap inner circle mould structure.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. The processing method is used for mass production of parts with complex shapes during injection molding, and specifically comprises the steps of injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure, and cooling and solidifying to obtain a molded product.

The inner ring is an in-mold injection molding part of the wrist strap, demolding is needed after the inner ring product is molded, the product is easily stuck in a concave mold of an existing inner ring mold after cooling molding, the inner ring needs to be manually taken down from the mold, production efficiency is low, and the inner ring is easily damaged.

SUMMERY OF THE UTILITY MODEL

To the current problem among the background art, the utility model aims to provide a realize automatic demoulding's of wrist strap inner circle mould structure improves through carrying out the current mould, makes the inner circle shaping back, can drop automatically, accomplishes full automatic production.

The utility model discloses a following technical scheme can realize:

the die structure comprises an upper die base and a lower die base, wherein a die core is embedded in the middle of the upper end of the upper die base, four guide columns are arranged between the upper die base and the lower die base, an ejection mechanism is arranged at the upper end of the lower die base and is located right below the die core, the ejection mechanism comprises a thimble and a thimble guide rod and is fixedly connected to the upper end of the lower die base through a thimble fixing plate, a cylinder is vertically arranged on the thimble fixing plate, the thimble is arranged at the end part of a piston rod of the cylinder, a template for producing an inner ring is arranged at the upper end of the die core, and the thimble ejects the template out through the up-and-down movement of the cylinder, so that the inner ring is ejected out of the die core and falls off.

Further, a die carrier is arranged on the periphery of the lower surface of the upper die base.

Furthermore, the die carrier is provided with a guide hole at a position corresponding to the guide post, and the die carrier is slidably mounted on the guide post through the guide hole.

Furthermore, the lower ends of the guide columns are connected to the lower die base through square irons fixedly arranged on two sides of the lower die base.

Furthermore, a compression spring is sleeved on the thimble guide rod.

Compared with the prior art, the utility model, have following advantage:

1. the utility model discloses in improve current inner circle mould, change mould benevolence into the inserted, when drawing of patterns after the inner circle machine-shaping, do the up-and-down motion at the thimble of tailpiece of the piston rod portion through the cylinder drive, when the piston rod of cylinder stretches out, the thimble penetrates mould benevolence and is ejecting motion to the template in the mould benevolence, it is ejecting with mould benevolence cover template together through the thimble to with the inner circle follow mould benevolence ejecting drop, realize the full automatic production of inner circle.

2. The utility model discloses well adoption cylinder drive strengthens ejecting, sets up compression spring simultaneously and as the bolster, increases the stability of thimble motion process, can solve the card pause or pause phenomenon that probably appears in ejecting in-process, realizes the steady ejecting to the inner circle product.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the mold structure for realizing the automatic stripping of the inner ring of the wrist strap of the present invention;

FIG. 2 is a front view of the mold structure for realizing automatic stripping of the inner ring of the wrist strap of the present invention;

fig. 3 is a right side view of the die structure for realizing automatic demoulding of the inner ring of the wrist strap.

In the figure: 1-an upper die holder, 2-a lower die holder, 3-a die core, 4-a guide column, 5-an ejection mechanism, 6-an ejector pin, 7-an ejector pin guide rod, 8-an ejector pin fixing plate, 9-an air cylinder, 10-a compression spring, 11-a template, 12-a die carrier and 13-square iron.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, 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 drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

As shown in fig. 1-3, a die structure for realizing automatic stripping of inner rings of wristbands comprises an upper die holder 1 and a lower die holder 2, wherein a die core 3 is mounted at the middle position of the upper end of the upper die holder 1 in an embedded manner, four guide posts 4 are arranged between the upper die holder 1 and the lower die holder 2, an ejection mechanism (5) is arranged at the upper end of the lower die holder 2, the ejection mechanism 5 is positioned under the die core 3, the ejection mechanism 5 comprises an ejector pin 6 and an ejector pin guide rod 7, the ejection mechanism 5 is fixedly connected to the upper end of the lower die holder 2 through an ejector pin fixing plate 8, a cylinder 9 is vertically mounted on the ejector pin fixing plate 8, the ejector pin 6 is mounted at the end of a piston rod of the cylinder 9, a die plate 11 for producing inner rings is arranged at the upper end of the die core 3, and the ejector pin 6 ejects the die plate 11 through, thereby ejecting the inner ring out of the die core 3.

The utility model discloses in improve current inner circle mould, change mould benevolence 3 into the inserted, when carrying out the drawing of patterns after the inner circle machine-shaping, install through the drive of cylinder 9 and do the up-and-down motion at tailpiece of the piston rod's thimble 6, when the piston rod of cylinder stretches out, thimble 6 penetrates mould benevolence 3 and is ejecting motion to the template 11 in the mould benevolence 3, it is ejecting with 3 cover templates 11 of mould benevolence together through thimble 6 to with the inner circle from mould benevolence 3 ejecting drops, realize the full automatic production of inner circle.

In an embodiment of the present invention, a mold frame 12 is disposed around the lower surface of the upper mold base 1.

The die carrier 12 is provided with a guide hole at a position corresponding to the guide post 4, and the die carrier 12 is slidably mounted on the guide post 4 through the guide hole.

The distance between the upper die holder 1 and the lower die holder 2 is adjusted by adjusting the position of the die holder 12 on the guide column 4, so that the ejection distance of the inner ring is adjusted.

In this embodiment, the lower end of the guide post 4 is connected to the lower die holder 2 through square irons 13 fixedly arranged on two sides of the lower die holder 2.

In this embodiment, the thimble guide rod 7 is sleeved with a compression spring 10.

In this embodiment, adopt the cylinder drive to strengthen ejecting, can play limiting displacement simultaneously through setting up compression spring 10, provide the buffer capacity, increase the stability of thimble motion process, can solve the card pause phenomenon that probably appears among the ejecting process, realize ejecting steadily to the inner circle product.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the patent.

Claims

1. The utility model provides a realize automatic mould structure of demoulding of wrist strap inner circle, includes upper die base (1) and die holder (2) inlay the upper end intermediate position department of upper die base (1) and install mould benevolence (3) be provided with four guide posts (4), its characterized in that between upper die base (1) and die holder (2): the die comprises a lower die holder (2) and is characterized in that an ejection mechanism (5) is arranged at the upper end of the lower die holder (2), the ejection mechanism (5) is located under a die core (3), the ejection mechanism (5) comprises an ejector pin (6) and an ejector pin guide rod (7), the ejection mechanism (5) is fixedly connected to the upper end of the lower die holder (2) through an ejector pin fixing plate (8), a cylinder (9) is vertically installed on the ejector pin fixing plate (8), the ejector pin (6) is installed at the end part of a piston rod of the cylinder (9), a die plate (11) for producing an inner ring is arranged at the upper end of the die core (3), and the ejector pin (6) ejects the die plate (11) out through the up-and-down movement of the cylinder (9), so that the inner ring is.

2. The die structure for realizing the automatic demoulding of the inner ring of the wrist strap is characterized in that a die frame (12) is arranged at the periphery of the lower surface of the upper die holder (1).

3. The die structure for realizing the automatic demoulding of the inner ring of the wrist strap is characterized in that a guide hole is formed in the die frame (12) at the position corresponding to the guide post (4), and the die frame (12) is slidably mounted on the guide post (4) through the guide hole.

4. The die structure for realizing automatic demoulding of the inner ring of the wrist strap as claimed in claim 1, wherein the lower end of the guide post (4) is connected to the lower die holder (2) through square irons (13) fixedly arranged at two sides of the lower die holder (2).

5. The die structure for realizing the automatic demoulding of the inner ring of the wrist strap as claimed in claim 1, wherein the ejector pin guide rod (7) is sleeved with a compression spring (10).