CN215512129U

CN215512129U - Sliding block push pipe ejection structure for preventing pulling damage to product

Info

Publication number: CN215512129U
Application number: CN202121856589.7U
Authority: CN
Inventors: 胡海宏
Original assignee: Dongguan Jinghong Plastic Mould Co ltd
Current assignee: Dongguan Jinghong Plastic Mould Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-14
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a sliding block push tube ejection structure for preventing a pulling product, which comprises a thimble assembly, a sliding block seat and a shovel base, wherein a sliding block insert is arranged at the front end of the sliding block seat, the thimble assembly is arranged on the sliding block seat, the thimble assembly comprises an insert pin, a push tube and a spring, the insert pin is arranged at the front end of the push tube, the insert pin penetrates through the sliding block insert from front to back, the rear end of the push tube vertically extends downwards to form a contact part, the spring penetrates through the rear end of the sliding block seat to respectively contact with the contact part and the sliding block insert, a lengthened insert is arranged on the shovel base, a right-angle-shaped concave part is arranged at the front end of the lengthened insert, and an inclined plane which gradually inclines backwards from top to bottom is extended at the lower end of the concave part. The utility model can support the product through the insert pin, so that the product is demoulded from the sliding block seat, and the product is prevented from being damaged by pulling.

Description

Sliding block push pipe ejection structure for preventing pulling damage to product

Technical Field

The utility model relates to the technical field of die processing, in particular to a sliding block push pipe ejection structure for preventing a product from being damaged by pulling.

Background

In traditional injection molding, injection product and slider seat laminating, when slider seat and product drawing of patterns, the slider seat drives the product easily, not only influences the location, reduces secondary injection molding's precision, and strains product itself easily, leads to the product bad. Therefore, a sliding block push tube ejection structure for preventing the product from being damaged by pulling is developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sliding block push tube ejection structure for a pull-damage-preventing product, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prevent pulling slider ejector sleeve ejecting structure of hindering product, includes thimble assembly, sliding block seat and shovel base, the sliding block seat front end is provided with the slider mold insert, thimble assembly installs on the sliding block seat, thimble assembly is including inlaying needle, ejector sleeve and spring, it installs at the ejector sleeve front end to inlay the needle, and inlays the needle and run through the slider mold insert from preceding back, the perpendicular downwardly extending of ejector sleeve rear end has conflict portion, the spring runs through behind the sliding block seat both ends respectively with conflict portion and slider mold insert inconsistent, be provided with extension mold insert on the shovel base, the front end of extension mold insert is provided with the depressed part of right angle form, and this depressed part lower extreme extends has top-down, the inclined plane that inclines gradually backward.

Preferably, the slider seat is provided with a sliding chute, the sliding chute is matched with the push pipe in shape, the slider seat is positioned above the sliding chute and is provided with a push pipe pressing block, the push pipe pressing block and the sliding chute form a channel, and the push pipe can slide in the channel.

Preferably, the two sides of the sliding groove are provided with limit blocks, the limit blocks protrude from the inner walls of the two sides of the sliding groove, the two sides of the push pipe are provided with limit grooves, and the protruding parts of the two limit blocks are respectively positioned in the two limit grooves.

Preferably, the slide block seat is provided with two groups of thimble assemblies and two slide block inserts matched with the thimble assemblies, and the shovel base is provided with two lengthened inserts matched with the two groups of thimble assemblies.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the ejector pin assembly is arranged, when the shovel base ascends, the sliding block seat simultaneously moves outwards, the push pipe is abutted against the right-angle concave part on the lengthened insert, the contact part of the concave part and the push pipe is a flat plane, at the moment, the push pipe is not moved, the sliding block seat continuously moves, the insert pin ejects out of the front end of the sliding block insert and abuts against a product, the product is separated from the front end of the sliding block insert, and after the push pipe is separated from the concave part of the lengthened insert, the elastic force of the spring drives the push pipe and the insert pin to reset.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the thimble assembly of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a partial schematic structural view of the present invention;

fig. 6 is a partially enlarged view of fig. 5 at B.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 to 4, an embodiment of the present invention includes: a sliding block push tube ejection structure for preventing a pulling product comprises a thimble assembly, a sliding block seat 1 and a shovel base 2, wherein a sliding block insert 11 is arranged at the front end of the sliding block seat 1, the thimble assembly is installed on the sliding block seat 1, the thimble assembly comprises an insert pin 31, a push tube 32 and a spring 33, the insert pin 31 is installed at the front end of the push tube 32, a sleeve matched with the insert pin 31 is arranged at the front end of the push tube 32 in the embodiment, the insert pin 31 is fixedly sleeved in the sleeve, the insert pin 31 penetrates through the sliding block insert 11 from front to back, an abutting part 34 vertically extends downwards from the rear end of the push tube 32, the spring 33 penetrates through the slider seat 2, two rear ends of the spring 33 are respectively abutted against the abutting part 34 and the sliding block insert 31, a channel matched with the spring 33 is arranged on the sliding block seat 1, an extension insert 21 is arranged on the shovel base 2, a right-angle-shaped depressed part 22 is arranged at the front end of the extension insert 21, the lower end of the concave part 22 extends with a slope 23 which gradually inclines backwards from top to bottom.

Preferably, two groups of thimble assemblies and two slide block inserts 11 matched with the thimble assemblies are mounted on the slide block seat 1, and two lengthened inserts 21 matched with the two groups of thimble assemblies are arranged on the shovel base 2.

Referring to fig. 5 to 6, the slider seat 2 is provided with a sliding slot 24, the sliding slot 24 is adapted to the shape of the push tube 32, the slider seat 1 is provided with a push tube pressing block 25 above the sliding slot 24, the push tube pressing block 25 and the sliding slot 24 form a channel, and the push tube 22 can slide in the channel.

Preferably, the two sides of the sliding groove 24 are provided with the limiting blocks 26, the limiting blocks 26 protrude from the inner walls of the two sides of the sliding groove 24, the two sides of the push tube 22 are provided with the limiting grooves 27, the protruding parts of the two limiting blocks 26 are respectively located in the two limiting grooves 27, and the limiting blocks 26 move within the range of the limiting grooves 27 to control the distance of the insert pins 31 ejecting out of the slide block insert 11.

The working principle is as follows: when the shovel base 2 ascends, the slider seat 1 moves outwards at the same time, the push pipe 32 is abutted to the right-angled concave part 22 on the lengthened insert 21, the contact part between the concave part 22 and the push pipe 32 is a flat surface, the abutting part 34 is contacted with the concave part 22 from top to bottom, the push pipe 32 is not moved at the moment, the slider seat 1 continuously moves, the front end of the slider insert 11 ejected out by the insert pin 31 is abutted to a product, the product is ejected out to be separated from the front end of the slider insert 11, and after the push pipe 32 is separated from the concave part 22 of the lengthened insert 21, the push pipe 32 and the insert pin 31 are driven to reset by the elastic force of the spring 33.

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. The present embodiments are therefore to 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a prevent pulling slider ejector sleeve ejection structure of hindering product, includes thimble assembly, slider seat and shovel base, its characterized in that: the novel shovel is characterized in that a slider insert is arranged at the front end of the slider seat, the ejector pin assembly is installed on the slider seat and comprises an embedding needle, a push pipe and a spring, the embedding needle is installed at the front end of the push pipe and penetrates through the slider insert from front to back, a contact part is vertically and downwardly extended at the rear end of the push pipe, the spring penetrates through the slider seat and abuts against the contact part and the slider insert, an elongated insert is arranged on the shovel base, a right-angle-shaped concave part is arranged at the front end of the elongated insert, and an inclined plane which inclines from top to bottom and gradually inclines is extended at the lower end of the concave part.

2. The sliding block push pipe ejection structure for preventing the pulling product of claim 1, which is characterized in that: the sliding block seat is provided with a sliding groove, the sliding groove is matched with the push pipe in shape, a push pipe pressing block is arranged above the sliding groove, the push pipe pressing block and the sliding groove form a channel, and the push pipe can slide in the channel.

3. The sliding block push pipe ejection structure for the anti-pulling product of claim 2, wherein: the push pipe is characterized in that limiting blocks are arranged on two sides of the sliding groove and protrude out of the inner walls of the two sides of the sliding groove, limiting grooves are formed in two sides of the push pipe, and the protruding portions of the limiting blocks are located in the two limiting grooves respectively.

4. The sliding block push pipe ejection structure for preventing the pulling product of claim 1, which is characterized in that: the shovel base is provided with two groups of ejector pin assemblies, the two groups of ejector pin assemblies are arranged on the shovel base, and the two groups of ejector pin assemblies are arranged on the shovel base.