CN218429726U - Channel body rear mould core-pulling mechanism - Google Patents

Abstract

The utility model relates to an injection mold technical field just discloses a mechanism of loosing core of passageway body rear mould, including rear mould and base, the inside fixed mounting of rear mould has mould benevolence, the locating hole has been seted up to the upper end of rear mould. This passageway body back mould mechanism of loosing core, it looses the core to be provided with to one side in the mould benevolence of back mould, it sets up for the slope to loose core to one side, the bottom contacts with the kicking block of perpendicular setting, the kicking block is close to the part of loosing core to one side and is the slope design, the kicking block passes through the movable rod and is connected with outside cylinder, after the laminating of front mould downwardly moving and back mould, the kicking block rebound promotes to loose core to one side rebound, stereotype the inside slant passageway of product, after processing finishes, the kicking block rebound, the spring drives to loose core to one side and moves to mould benevolence in, treat the front mould and remove the back, demoulding mechanism can directly fall takes out the product, this structure is applicable in conventional stamping die sinking, through mechanical means die sinking, shorten the shaping cycle greatly, and improve production efficiency.

Description

Channel body rear die core-pulling mechanism

Technical Field

The utility model relates to an injection mold technical field specifically is a mechanism of loosing core of mould behind passageway body.

Background

Injection molds are devices which, at a certain temperature, stir a completely molten plastic material by means of a screw, inject it into a mold cavity under high pressure, and after cooling and solidification, obtain a shaped article, the rear mold being an important component of the injection mold.

At present, if most rear mold mechanisms are fixed, when a product with an inclined channel is produced, the mold core is also inclined, after the molding is finished, the mold core is inclined and left in the product, so that the conventional structural design cannot directly discharge the product through the demolding mechanism, the molding period is long, and the production efficiency cannot be improved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a mechanism of loosing core of passageway body back mould to solve most back mould mechanism that proposes in the above-mentioned background art and fixed, when reproduction has the product of slant passageway, mould benevolence also is the slant, and the shaping back that finishes, mould benevolence slant stay in the product, and this has leaded to the unable direct demolding through demoulding mechanism of conventional structural design, and the shaping cycle is long, and production efficiency can not obtain the problem that promotes.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mechanism of loosing core of passageway body rear mould, includes rear mould and base, the inside fixed mounting of rear mould has mould benevolence, the locating hole has been seted up to the upper end of rear mould, spread groove one has been seted up to the lower extreme of rear mould, the lower extreme fixed mounting of mould benevolence inserts, the inside of inserting the upper end has seted up movable groove, the inside movable mounting in movable groove has loose core to one side, the outside fixed mounting of the lower extreme of loosing core to one side has stopper one, the lower extreme of inserting has the through-hole, the lower extreme fixed mounting of loosing core to one side has the connecting rod, the lower extreme fixed mounting of connecting rod has stopper two, the outside of connecting rod is cup jointed and is installed the spring, spread groove two has been seted up to the inside of base, the inside movable mounting of spread groove two has the kicking block, the lower extreme fixed mounting of kicking block has the movable rod.

Preferably, the rear die is located at the upper end of the base, six positioning holes are symmetrically formed in the rear die, and the rear die is positioned with the front die through the positioning holes.

Preferably, insert and set up for the slope, the oblique upper end of loosing core and extending to mould benevolence, stopper one and the inboard laminating of activity groove, the oblique core of loosing core slides along the inboard of activity groove, and stopper one prevents to loose core to upwards shift out to one side.

Preferably, the connecting rod extends to the inside of through-hole, the one end of spring and the inboard laminating of through-hole, the other end of spring and the inboard laminating of stopper two, the spring passes through the stopper and two pairs of connecting rods apply decurrent elasticity.

Preferably, the insert block extends into the first connecting groove, the second connecting groove is located at the lower end of the first connecting groove, the top block extends into the first connecting groove, and the top block moves into the first connecting groove along the second connecting groove.

Preferably, the upper end of kicking block is the slope structure, the upper end and the two laminating of stopper of kicking block, the movable rod extends to the below of base, and the movable rod is connected with outside cylinder, drives the kicking block and goes up and down, and the kicking block drives the connecting rod through stopper two and removes.

Compared with the prior art, the beneficial effects of the utility model are that: this passageway body back mould mechanism of loosing core, it looses the core to be provided with to one side in the mould benevolence of back mould, it sets up for the slope to loose core to one side, the bottom contacts with the kicking block of perpendicular setting, the kicking block is close to the part of loosing core to one side and is the slope design, the kicking block passes through the movable rod and is connected with outside cylinder, after the laminating of front mould downwardly moving and back mould, the kicking block rebound promotes to loose core to one side rebound, stereotype the inside slant passageway of product, after processing finishes, the kicking block rebound, the spring drives to loose core to one side and moves to mould benevolence in, treat the front mould and remove the back, demoulding mechanism can directly fall takes out the product, this structure is applicable in conventional stamping die sinking, through mechanical means die sinking, shorten the shaping cycle greatly, and improve production efficiency.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

FIG. 2 is a first schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.

Wherein: 1. a rear mold; 2. a base; 3. a mold core; 4. positioning holes; 5. connecting a first connecting groove; 6. an insert; 7. a movable groove; 8. obliquely pulling cores; 9. a first limiting block; 10. a through hole; 11. a connecting rod; 12. a second limiting block; 13. a spring; 14. connecting groove two; 15. a top block; 16. a movable rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a channel body rear die core pulling mechanism comprises a rear die 1 and a base 2, wherein a die core 3 is fixedly installed inside the rear die 1, a positioning hole 4 is formed in the upper end of the rear die 1, the rear die 1 is located at the upper end of the base 2, six positioning holes 4 are symmetrically arranged, a first connecting groove 5 is formed in the lower end of the rear die 1, an insert 6 is fixedly installed at the lower end of the die core 3, a movable groove 7 is formed in the upper end of the insert 6, an inclined core pulling 8 is movably installed inside the movable groove 7, a first limiting block 9 is fixedly installed on the outer side of the lower end of the inclined core pulling 8, the insert 6 is obliquely arranged, the inclined core pulling 8 extends to the upper end of the die core 3, the first limiting block 9 is attached to the inner side of the movable groove 7, the rear die 1 and the front die are connected through the positioning hole 4, the inclined core pulling 8 slides along the inner side of the movable groove 7, and the first limiting block 9 prevents the inclined core pulling 8 from moving upwards;

the lower end of the insert 6 is provided with a through hole 10, the lower end of the inclined core pulling 8 is fixedly provided with a connecting rod 11, the lower end of the connecting rod 11 is fixedly provided with a second limiting block 12, the outer side of the connecting rod 11 is sleeved with a spring 13, the connecting rod 11 extends into the through hole 10, one end of the spring 13 is attached to the inner side of the through hole 10, the other end of the spring 13 is attached to the inner side of the second limiting block 12, and the spring 13 applies downward elastic force to the connecting rod 11 through the second limiting block 12;

connecting groove two 14 has been seted up to base 2's inside, the inside movable mounting of connecting groove two 14 has kicking block 15, insert 6 and extend to the inside of connecting groove one 5, connecting groove two 14 is located the lower extreme of connecting groove one 5, kicking block 15 extends to the inside of connecting groove one 5, the lower extreme fixed mounting of kicking block 15 has movable rod 16, the upper end of kicking block 15 is the slope structure, the upper end and the laminating of stopper two 12 of kicking block 15, movable rod 16 extends to the below of base 2, kicking block 15 removes to connecting groove one 5 along connecting groove two 14 in, movable rod 16 is connected with outside cylinder, it goes up and down to drive kicking block 15, kicking block 15 drives connecting rod 11 through stopper two 12 and removes.

The working principle is as follows: firstly, a rear die 1 is positioned with a front die through a positioning hole 4, a movable rod 16 is connected with an external air cylinder to drive an ejector block 15 to lift, the front die moves downwards to be matched with a die core 3 to perform injection molding on a product, then the ejector block 15 moves upwards, the upper end of the ejector block is contacted with the bottom of a limiting block two 12, as the upper end of the ejector block 15 is of an inclined structure and the connecting rod 11 and the limiting block two 12 are obliquely arranged, the ejector block 15 drives the connecting rod 11 to move upwards through the limiting block two 12, an inclined core pulling 8 moves into the die core 3 along with the connecting rod 11 to mold the product, after molding is finished and cooling is finished, the air cylinder drives the ejector block 15 to move downwards, a spring 13 exerts downward elastic force on the connecting rod 11 through the limiting block two 12, the inclined core pulling 8 moves downwards to move into the die core 3, after the front die is separated from the rear die 1, the product can be directly taken out through a demolding mechanism, the structure can be applied to a conventional stamping die, the mechanical die opening mode is adopted, the molding cycle is greatly shortened, and the production efficiency is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a mechanism of loosing core of mould behind passageway body, includes back mould (1) and base (2), its characterized in that: the utility model discloses a core pulling mechanism, including back mould (1), locating hole (4), connecting groove (5), lower extreme fixed mounting that has mould benevolence (3), locating hole (4) have been seted up to the upper end of back mould (1), connecting groove (5) have been seted up to the lower extreme of back mould (1), the lower extreme fixed mounting of mould benevolence (3) has inserted (6), movable groove (7) have been seted up to the inside of inserting (6) upper end, the inside movable mounting of movable groove (7) has inclined core pulling (8), inclined core pulling (8) the outside fixed mounting of lower extreme has stopper one (9), through-hole (10) have been seted up to the lower extreme of inserting (6), inclined core pulling's lower extreme fixed mounting of (8) has connecting rod (11), the lower extreme fixed mounting of connecting rod (11) has stopper two (12), the outside of connecting rod (11) is cup jointed and is installed spring (13), connecting groove two (14) have been seted up to the inside of base (2), the inside movable mounting of connecting groove two (14) has kicking block (15), the lower extreme fixed mounting of kicking block (15) has movable rod (16).

2. The channel body post-mold core-pulling mechanism of claim 1, wherein: the rear die (1) is located at the upper end of the base (2), and six positioning holes (4) are symmetrically arranged.

3. The channel body post-mold core-pulling mechanism of claim 1, wherein: the insert (6) is obliquely arranged, the oblique loose core (8) extends to the upper end of the mold core (3), and the first limiting block (9) is attached to the inner side of the movable groove (7).

4. The channel body post-mold core-pulling mechanism of claim 1, wherein: the connecting rod (11) extends to the inside of the through hole (10), one end of the spring (13) is attached to the inner side of the through hole (10), and the other end of the spring (13) is attached to the inner side of the second limiting block (12).

5. The channel body post-mold core-pulling mechanism of claim 1, wherein: the insert (6) extends to the inside of the first connecting groove (5), the second connecting groove (14) is located at the lower end of the first connecting groove (5), and the top block (15) extends to the inside of the first connecting groove (5).

6. The channel body post-mold core-pulling mechanism of claim 1, wherein: the upper end of the ejector block (15) is of an inclined structure, the upper end of the ejector block (15) is attached to the second limiting block (12), and the movable rod (16) extends to the lower portion of the base (2).

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