CN215921133U

CN215921133U - Injection mold with secondary ejection structure

Info

Publication number: CN215921133U
Application number: CN202121686814.7U
Authority: CN
Inventors: 张小燕
Original assignee: Xiamen Dobit Electromechanical Technology Co ltd
Current assignee: Xiamen Dobit Electromechanical Technology Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-03-01
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses an injection mold with a secondary ejection structure, which comprises a front mold and a rear mold, wherein heat treatment grooves are formed in four corners of the front mold, a mounting groove is formed in the top end of the front mold, a first mold cavity is formed in the mounting groove, the rear mold is arranged at the bottom end of the front mold, heat treatment blocks are welded in the four corners of the rear mold, and a second mold cavity is formed in the top end of the rear mold. This injection mold with ejecting structure of secondary is through being provided with first kicking block, the standing groove, first liftout groove, the connecting block, place the second kicking block into the inside standing groove of first kicking block, when ejecting, can utilize the connecting block upwards ejecting in the inside in second mould chamber earlier, later utilize the inside first liftout groove of connecting block to pass through the mould on the thimble with the second kicking block ejecting, can accomplish the secondary ejecting, it is more convenient when the drawing of patterns to make the mould, it is quick, it is not convenient for ejecting when having solved the drawing of patterns, more troublesome problem when leading to the drawing of patterns.

Description

Injection mold with secondary ejection structure

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold with a secondary ejection structure.

Background

The injection mold can be used for manufacturing various workpieces with different sizes, different shapes and complexity, and the mold is manufactured in an injection molding mode, so that the conventional injection mold is inconvenient to eject during demolding, and is relatively troublesome during demolding; when the die is manufactured, only one die can be manufactured at a time, so that the manufacturing efficiency is low; it is not stable enough to be heat treated, and thus there is a need for an improved injection mold.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold with a secondary ejection structure, and aims to solve the problem that the ejection is inconvenient during demolding and the demolding is troublesome in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an injection mold with ejecting structure of secondary, includes the front mould, four corners of front mould are provided with thermal treatment groove, the inside on front mould top is provided with the mounting groove, the inside of mounting groove is provided with first mould chamber, the bottom of front mould is provided with the back mould, four corners welding of back mould have thermal treatment piece, the inside on back mould top is provided with second mould chamber, the inside in second mould chamber is provided with first kicking block, the bottom mounting of first kicking block has first liftout groove, the inside in first liftout groove is provided with the connecting block, the inside on first kicking block top is provided with the standing groove, the inside of standing groove is provided with the second kicking block, the inside of second kicking block is provided with second liftout groove.

Preferably, the number of the first mold cavities is two, and the positions of the first mold cavities are matched with those of the second mold cavities.

Preferably, the heat treatment block is matched with the heat treatment groove in position, and the width of the heat treatment block is smaller than that of the heat treatment groove.

Preferably, the number of the second mold cavities is two, and the second mold cavities are symmetrically distributed at the top end of the rear mold.

Preferably, the width of the second ejection slot is smaller than the width of the inner part of the placing slot, and the second ejection slot is embedded in the inner part of the placing slot.

Compared with the prior art, the utility model has the beneficial effects that: the injection mold with the secondary ejection structure not only realizes the secondary ejection function, is convenient for demolding, realizes the improvement of the efficiency during the mold manufacturing, but also realizes the stability during the heat treatment;

(1) the second ejector block is placed into the placing groove in the first ejector block through the first ejector block, the placing groove, the first ejector groove, the connecting block, the second ejector groove and the second ejector block, the connecting block can be firstly used for ejecting upwards in the second die cavity during ejection, and then the first ejector groove in the connecting block is used for ejecting out a die on the second ejector block through the ejector pin, so that secondary ejection can be completed, and the die is more convenient and quicker to demold;

(2) by arranging the first die cavity and the second die cavity, the positions of the first die cavity and the second die cavity are matched and are respectively provided with two, so that two dies can be formed at one time when being manufactured, and the manufacturing efficiency of the dies is improved;

(3) through being provided with heat treatment groove and heat treatment piece, because of the width that the width of heat treatment piece is less than the width of heat treatment groove, when front mould and back mould are closed, heat treatment piece just can inlay in heat treatment groove for the mould is more stable when heat treatment.

Drawings

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

FIG. 2 is a schematic diagram of a rear-mold front-view three-dimensional package structure according to the present invention;

FIG. 3 is a schematic front perspective view of a first top block according to the present invention;

fig. 4 is a schematic front perspective view of a second top block according to the present invention.

In the figure: 1. a front mold; 2. a heat treatment tank; 3. a first mold cavity; 4. mounting grooves; 5. heat treating the block; 6. a rear mold; 7. a second mold cavity; 8. a first top block; 9. a placement groove; 10. a first ejection slot; 11. Connecting blocks; 12. a second ejection slot; 13. and a second top block.

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.

Example 1: referring to fig. 1-4, an injection mold with a secondary ejection structure comprises a front mold 1, wherein heat treatment grooves 2 are formed in four corners of the front mold 1, an installation groove 4 is formed in the top end of the front mold 1, a first mold cavity 3 is formed in the installation groove 4, a rear mold 6 is arranged at the bottom end of the front mold 1, heat treatment blocks 5 are welded in the four corners of the rear mold 6, a second mold cavity 7 is formed in the top end of the rear mold 6, a first ejection block 8 is arranged in the second mold cavity 7, and a first ejection groove 10 is fixed at the bottom end of the first ejection block 8;

a connecting block 11 is arranged inside the first ejecting groove 10, a placing groove 9 is arranged inside the top end of the first ejecting block 8, a second ejecting block 13 is arranged inside the placing groove 9, and a second ejecting groove 12 is arranged inside the second ejecting block 13;

the width of the second ejecting groove 12 is smaller than the width of the inner part of the placing groove 9, and the second ejecting groove 12 is embedded in the inner part of the placing groove 9;

specifically, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the second ejector block 13 is placed in the placing groove 9 inside the first ejector block 8, and during ejection, the connecting block 11 may be used to eject upward inside the second mold cavity 7, and then the first ejector groove 10 inside the connecting block 11 is used to eject out the mold on the second ejector block 13 through an ejector pin, so that secondary ejection can be completed, and the mold is more convenient and faster in demolding.

Example 2: two first die cavities 3 are arranged, and the positions of the first die cavities 3 are matched with those of the second die cavities 7;

two second die cavities 7 are arranged, and the second die cavities 7 are symmetrically distributed at the top end of the rear die 6;

specifically, as shown in fig. 1 and 2, the positions of the first mold cavity 3 and the second mold cavity 7 are matched and two mold cavities are respectively arranged, so that two molds can be formed at one time during mold manufacturing, and the mold manufacturing efficiency is improved.

Example 3: the position of the heat treatment block 5 is matched with that of the heat treatment groove 2, and the width of the heat treatment block 5 is smaller than that of the heat treatment groove 2;

specifically, as shown in fig. 1 and 2, since the width of the heat treatment block 5 is smaller than the width of the heat treatment bath 2, the heat treatment block 5 can be just inserted into the heat treatment bath 2 when the front mold 1 and the rear mold 6 are closed, so that the mold is more stable at the time of heat treatment.

The working principle is as follows: when the mold is used, firstly, the connecting block 11 is placed in the second mold cavity 7, the second ejector block 13 is placed in the placing groove 9 in the first ejector block 8, then, materials are injected, the front mold 1 is closed, when the front mold 1 and the rear mold 6 are closed, the heat treatment block 5 can be just embedded in the heat treatment groove 2, so that the mold is more stable during heat treatment, then, when the front mold 1 is demolded, the connecting block 11 is firstly used for ejecting upwards in the second mold cavity 7 during ejection, then, the first ejection groove 10 in the connecting block 11 is used for ejecting the mold on the second ejector block 13 through an ejector pin, and secondary ejection can be completed, so that the mold is more convenient and rapid to demold.

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 an injection mold with ejecting structure of secondary, includes front mould (1), its characterized in that: four corners of the front die (1) are provided with heat treatment grooves (2), the top end of the front die (1) is internally provided with a mounting groove (4), a first die cavity (3) is arranged in the mounting groove (4), a rear die (6) is arranged at the bottom end of the front die (1), heat treatment blocks (5) are welded at four corners of the rear die (6), a second die cavity (7) is arranged inside the top end of the rear die (6), a first ejector block (8) is arranged in the second die cavity (7), a first ejection groove (10) is fixed at the bottom end of the first ejector block (8), a connecting block (11) is arranged inside the first ejecting groove (10), a placing groove (9) is arranged inside the top end of the first ejecting block (8), a second ejecting block (13) is arranged in the placing groove (9), and a second ejecting groove (12) is arranged in the second ejecting block (13).

2. The injection mold with the secondary ejection structure as claimed in claim 1, wherein: the number of the first mold cavities (3) is two, and the positions of the first mold cavities (3) are matched with those of the second mold cavities (7).

3. The injection mold with the secondary ejection structure as claimed in claim 1, wherein: the heat treatment block (5) is matched with the heat treatment groove (2) in position, and the width of the heat treatment block (5) is smaller than that of the heat treatment groove (2).

4. The injection mold with the secondary ejection structure as claimed in claim 1, wherein: the number of the second die cavities (7) is two, and the second die cavities (7) are symmetrically distributed at the top end of the rear die (6).

5. The injection mold with the secondary ejection structure as claimed in claim 1, wherein: the width of the second ejecting groove (12) is smaller than the width of the inner part of the placing groove (9), and the second ejecting groove (12) is embedded in the inner part of the placing groove (9).