CN213733067U

CN213733067U - Easy demoulding's mould

Info

Publication number: CN213733067U
Application number: CN202021272616.1U
Authority: CN
Inventors: 王进平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-07-20
Anticipated expiration: 2030-07-02

Abstract

The utility model relates to an injection mold field discloses an easy demoulding's mould. The demolding device comprises a fixed die, a left movable die, a right movable die, a demolding rod, a groove molding rod and a movable rotating rod. And a left molding cavity and a right molding cavity are respectively formed on the left moving die, the right moving die and the fixed die. The fixed die is internally provided with a mounting groove, the fixed die is connected with a movable rotating rod in a threaded manner, one end of the movable rotating rod extends into the mounting groove, the movable rotating rod is provided with a first conical block and a second conical block at an upper interval and a lower interval, and the fixed die is internally and symmetrically provided with a plurality of groove forming rods. The utility model discloses an adopt the setting of cover half, left movable mould, right movable mould, recess shaping pole and activity dwang, realized two product spare of an injection mold shaping, improved injection efficiency to the drawing of patterns is convenient, has improved the surface quality and the qualification rate of product.

Description

Easy demoulding's mould

Technical Field

The utility model relates to an injection mold field, in particular to mould of easy drawing of patterns.

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. Injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed workpiece after cooling and solidification. The existing injection mold can only machine and form one product on one station during machining, greatly reduces the machining efficiency of products needing batch production, and is difficult to demould and easy to cause damage and scrap of the products when the products are subjected to injection molding with grooves.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides an easy demoulding's mould through the setting that adopts cover half, left movable mould, right movable mould, recess shaping pole and activity dwang, has realized two product spare of an injection mold shaping, has improved injection efficiency to the drawing of patterns is convenient, has improved the surface quality and the qualification rate of product.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

an easy demoulding mould comprises a fixed mould, a left movable mould, a right movable mould, a demoulding rod, a groove forming rod and a movable rotating rod;

the left movable die and the right movable die are respectively arranged on two side surfaces of the fixed die, a left molding cavity and a right molding cavity are respectively formed on the left movable die, the right movable die and the fixed die, a sprue gate is arranged on the fixed die, a left injection molding pipeline and a right injection molding pipeline which are communicated with the sprue gate are arranged on two sides of the sprue gate, and the left injection molding pipeline and the right injection molding pipeline are communicated with the left molding cavity and the right molding cavity;

the fixed die is internally provided with a mounting groove, the fixed die is in threaded connection with a movable rotating rod, one end of the movable rotating rod extends into the mounting groove, the movable rotating rod is provided with a first conical block and a second conical block at intervals up and down, a plurality of groove forming rods are symmetrically arranged in the fixed die, one ends of the groove forming rods are respectively positioned at the left forming cavity and the right forming cavity, the other ends of the groove forming rods are abutted against the first conical block, the groove forming rods are symmetrically provided with first sliding blocks, a first sliding groove is arranged in the fixed die, a first reset spring is arranged in the first sliding groove, and the first reset spring is connected with the first sliding block;

in the cover half, be located the bilateral symmetry of recess shaping pole is provided with the stripper bar, the stripper bar is last stripper bar and lower stripper bar respectively, the one end of going up stripper bar and lower stripper bar is located respectively left side shaping chamber and right side shaping chamber department, one the one end and another of going up the stripper bar the one end of going up the stripper bar offsets and leans on, is formed with the confession first circular cone piece complex chamfer leads to the groove, one the one end and another of stripper bar down the one end of stripper bar offset lean on in the activity dwang, and be located between first circular cone and the second circular cone piece.

As an optimized scheme of the utility model the symmetry is provided with the second slider on last stripper rod and the lower stripper rod be provided with the second sliding tray in the cover half be provided with second reset spring in the second sliding tray, second reset spring with the second slider is connected.

As an optimized proposal of the utility model, the movable rotating rod is provided with scale marks.

As an optimal scheme of the utility model left side movable mould and right movable mould with be provided with the guide pillar between the cover half.

As an optimal scheme of the utility model be provided with on left side movable mould and the right movable mould and be used for the drive the cylinder of left side movable mould and right movable mould motion.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses an adopt the setting of cover half, left movable mould, right movable mould, recess shaping pole and activity dwang, realized two product spare of an injection mold shaping, improved injection efficiency to the drawing of patterns is convenient, has improved the surface quality and the qualification rate of product.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

The corresponding part names indicated by the numbers and letters in the drawings:

1. a left injection molded pipe; 2. an upper stripper bar; 3. a pouring gate; 4. a right injection molded pipe; 5. a guide post; 6. a right molding cavity; 7. a right moving die; 8. a cylinder; 9. chamfering the through groove; 10. a first conical block; 11. Mounting grooves; 12. a second conical block; 13. scale lines; 14. a movable rotating rod; 15. a lower stripper bar; 16. a second slider; 17. a second return spring; 18. a first slider; 19. a first return spring; 20. a left molding cavity; 21. and (4) moving the left die.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1, the utility model relates to a mould of easy drawing of patterns, including cover half, left movable mould 21, right movable mould 7, stripper rod, recess shaping pole and activity dwang 14.

Specifically, a left movable die 21 and a right movable die 7 are respectively arranged on two side faces of the fixed die, a guide pillar 5 is arranged between the left movable die 21 and the fixed die and between the right movable die 7 and the fixed die, a cylinder 8 used for driving the left movable die 21 and the right movable die 7 to move is arranged on the left movable die 21 and the right movable die 7, a left molding cavity 20 and a right molding cavity 6 are respectively formed on the left movable die 21 and the right movable die 7 and the fixed die, a sprue gate 3 is arranged on the fixed die, a left injection molding pipeline 1 and a right injection molding pipeline 4 communicated with the sprue gate 3 are arranged on two sides of the sprue gate 3, and the left injection molding pipeline 1 and the right injection molding pipeline 4 are communicated with the left molding cavity 20 and the right molding cavity 6.

Further, a mounting groove 11 is formed in the fixed die, a movable rotating rod 14 is connected to the fixed die through threads, one end of the movable rotating rod 14 extends into the mounting groove 11, a first conical block 10 and a second conical block 12 are arranged on the movable rotating rod 14 at intervals from top to bottom, a plurality of groove forming rods are symmetrically arranged in the fixed die, one ends of the groove forming rods are respectively located in the left forming cavity 20 and the right forming cavity 6, the other ends of the groove forming rods abut against the first conical block 10, first sliding blocks 18 are symmetrically arranged on the groove forming rods, a first sliding groove is formed in the fixed die, a first return spring 19 is arranged in the first sliding groove, and the first return spring 19 is connected with the first sliding blocks 18. Wherein, the movable rotating rod 14 is provided with scale marks 13.

Further, in the fixed die, the two sides of the groove forming rod are symmetrically provided with demoulding rods, the demoulding rods are respectively an upper demoulding rod 2 and a lower demoulding rod 15, one ends of the upper demoulding rod 2 and the lower demoulding rod 15 are respectively located at the left forming cavity 20 and the right forming cavity 6, one end of the upper demoulding rod 2 abuts against one end of the other upper demoulding rod 2, a chamfer through groove 9 for matching with the first conical block 10 is formed, one end of the lower demoulding rod 15 abuts against one end of the other lower demoulding rod 15, and the lower demoulding rod is located between the first conical block and the second conical block 12.

Wherein, the upper demoulding rod 2 and the lower demoulding rod 15 are symmetrically provided with second sliding blocks 16, a fixed die is internally provided with a second sliding groove, a second return spring 17 is arranged in the second sliding groove, and the second return spring 17 is connected with the second sliding blocks 16.

The utility model discloses an action process principle: when injection molding is carried out, the air cylinder 8 is started firstly, the left movable die 21 and the right movable die 7 are abutted and matched with the fixed die through the guide pillar 5 to form the left molding cavity 20 and the right molding cavity 6, and then plastic liquid is injected from the sprue gate 3 and enters the left molding cavity 20 and the right molding cavity 6 respectively.

Before the plastics liquid has not cooled off the completion, through observing scale mark 13, rotate the certain degree of depth of activity dwang 14, make activity dwang 14 upward movement, first circular cone piece 10 upward movement to extrude the recess shaping pole, make the recess shaping pole stretch into to the left side molding cavity 20 on both sides and right molding cavity 6, extrude the plastics liquid that does not cool off the solidification, be formed with the product recess, at this moment, first reset spring 19 is compression state.

After the plastic liquid is sufficiently cooled and a product needs to be ejected, the left movable die 21 and the right movable die 7 are opened, the movable rotating rod 14 is rotated, the scale mark 13 is observed, the movable rotating rod 14 continues to move upwards, the first conical block 10 extends into the chamfer through groove 9 formed by the upper demolding rod 2, the upper demolding rod 2 is extruded, one end of the upper demolding rod 2 extends into the left molding cavity 20 and the right molding cavity 6, the product is ejected, meanwhile, when the first conical block 10 extrudes the upper demolding rod 2, the second conical block 12 extrudes the lower demolding rod 15, one end of the lower demolding rod 15 also extends into the left molding cavity 20 and the right molding cavity 6, the product is ejected, and at the moment, the second return spring 17 is in a compressed state.

Through foretell setting, realized two product spares of an injection mold shaping, improved injection efficiency to the drawing of patterns is convenient, has improved the surface quality and the qualification rate of product.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The mold easy to demould is characterized by comprising a fixed mold, a left movable mold, a right movable mold, a demoulding rod, a groove forming rod and a movable rotating rod;

in the cover half, be located the bilateral symmetry of recess shaping pole is provided with the stripper bar, the stripper bar is last stripper bar and lower stripper bar respectively, the one end of going up stripper bar and lower stripper bar is located respectively a left side becomes die cavity and right side becomes die cavity department, one the one end and another of going up the stripper bar the one end of going up the stripper bar offsets and leans on, is formed with the confession first circular cone piece complex chamfer leads to the groove, one the one end and another of stripper bar down the one end of stripper bar offset lean on in the activity dwang, and be located between first circular cone piece and the second circular cone piece.

2. The easy-to-demold mold according to claim 1, wherein a second slide block is symmetrically arranged on the upper and lower demolding rods, a second slide groove is arranged in the fixed mold, and a second return spring is arranged in the second slide groove and connected with the second slide block.

3. The easy-to-demold mold of claim 1, wherein a graduation mark is provided on the movable rotating rod.

4. The easy-to-demold mold of claim 1, wherein guide posts are disposed between the left and right movable molds and the stationary mold.

5. The easy-to-release mold according to claim 1, wherein air cylinders for driving the left and right movable molds are provided on the left and right movable molds.