CN110893666A

CN110893666A - Injection mold

Info

Publication number: CN110893666A
Application number: CN201911204267.1A
Authority: CN
Inventors: 杨绪翠
Original assignee: Lu'an Fuyuan Plastic And Hardware Products Co Ltd
Current assignee: Lu'an Fuyuan Plastic And Hardware Products Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-03-20

Abstract

The invention discloses an injection mold, and belongs to the field of injection molding. The injection molding machine comprises an upper die, a lower die, a base, a material ejecting device and a driving device for driving the upper die to be close to or far away from the lower die, wherein the upper die is connected with the base through a guide pillar, the lower die is connected with the base through a fixed support pillar, the lower die is connected with the base through the material ejecting device, an injection molding channel penetrating through the upper die is arranged on the upper die, a plurality of runners and a plurality of die cavities communicated with one ends of the runners are arranged on the upper end face of the lower die, the runners are in one-to-one correspondence with the die cavities, the other ends of the runners are communicated with a splitter box arranged on the lower die, and the splitter box is positioned under the injection molding channel. Therefore, compared with the prior art, the invention has the advantages of low injection molding cost and high injection molding efficiency.

Description

Injection mold

Technical Field

The invention relates to the field of injection molding, in particular to an injection mold.

Background

Injection molding (or injection molding) is a molding method that combines injection molding with molding. The injection molding material is injected into the injection mold, so that the injection molding part conforming to the injection mold is formed in the cooling process, and the manufacture of complex products can be efficiently and quickly realized.

The existing injection mold has the advantages that one injection molding opening corresponds to one mold cavity, so that the injection molding cost is greatly increased, and the injection molding efficiency is reduced. Therefore, a new technical solution is needed.

Disclosure of Invention

The invention provides an injection mold, which solves the problems of high injection cost and low injection efficiency in the prior art.

In order to achieve the purpose, the technical scheme of the invention is realized as follows: the utility model provides an injection mold, includes mould, lower mould, base, liftout device and drive go up the mould and be close to or keep away from the drive arrangement of lower mould, it passes through the guide pillar with the base to go up the mould and links to each other, the lower mould passes through the liftout device with the base links to each other, be equipped with on the mould and run through the passageway of moulding plastics of last mould, the lower mould up end be equipped with a plurality of runners and with a plurality of mould chamber of the one end intercommunication of a plurality of runners, a plurality of runners with a plurality of mould chamber one-to-one, the other end of a plurality of runners with set up be in diversion channel on the lower mould is linked together, the diversion channel is located under the passageway of moulding plastics.

Preferably, the liftout device includes a plurality of groups liftout subassembly, lifting unit and locates in the bed die and be located a plurality of kicking blocks of mould chamber bottom, a plurality of groups liftout subassembly one end with lifting unit links to each other, and its other end supports on the diapire of a plurality of kicking blocks, a plurality of groups liftout subassembly, a plurality of kicking blocks and a plurality of mould chamber one-to-one.

Preferably, the lifting assembly comprises a mounting plate and a lifting device for driving the mounting plate to lift, and the plurality of groups of ejection assemblies are mounted on the upper end face of the mounting plate.

Preferably, every group the liftout subassembly includes the thimble of the vertical setting of a plurality of, the one end and the mounting panel of thimble link to each other, and its other end supports on the diapire of a plurality of kicking blocks.

Preferably, the lengths of the plurality of flow channels are all equal.

Preferably, the splitter box is in a strip shape, and the plurality of die cavities are arranged on two sides of the splitter box.

Preferably, the projection of the injection molding channel on the horizontal plane is positioned at the midpoint of the projection of the diversion channel on the horizontal plane.

Compared with the prior art, the invention has the following advantages: according to the injection mold provided by the invention, the injection channel is arranged on the upper mold, and the splitter box and the runners are arranged on the lower mold, so that a plurality of injection ports and matched injection equipment are avoided, the cost is reduced, and the injection efficiency is improved. Therefore, compared with the prior art, the invention has the advantages of low injection molding cost and high injection molding efficiency.

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 the drawings without creative efforts.

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

fig. 2 is a plan view of the lower mold 2 in fig. 1.

In the figure: 1-upper die, 2-lower die, 3-base, 4-liftout device, 5-drive arrangement, 6-guide pillar, 7-fixed pillar, 11-the passageway of moulding plastics, 21-the runner, 22-the mould chamber, 23-the splitter box, 41-the liftout subassembly, 42-the lift subassembly, 43-kicking block, 421-the mounting panel, 422-elevating gear.

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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1 and 2, fig. 1 is a schematic structural view of the present invention; fig. 2 is a plan view of the lower mold 2 in fig. 1.

The invention provides an injection mold which comprises an upper mold 1, a lower mold 2, a base 3, a material ejecting device 4 and a driving device 5 for driving the upper mold 1 to be close to or far away from the lower mold 2, wherein the driving device 5 drives the upper mold 1 to do up-and-down reciprocating motion. Go up mould 1 and base 3 and link to each other through guide pillar 6, guide pillar 6 is vertical to be set up, plays the guide effect. The lower die 2 is connected with the base 3 through the fixing support 7, the lower die 2 is connected with the base 3 through the material ejecting device 4, an injection molding channel 11 penetrating through the upper die 1 is arranged on the upper die 1, and the injection molding channel 11 is an injection molding opening shared by a plurality of die cavities 22.

As shown in fig. 1, the ejector device 4 includes a plurality of groups of ejector components 41, a lifting component 42, and a plurality of ejector blocks 43 disposed in the lower mold 2 and located at the bottom of the mold cavity 22, one end of each group of ejector components 41 is connected to the lifting component 42, the other end of each group of ejector components is supported on the bottom wall of the corresponding ejector block 43, and the groups of ejector components 41, the corresponding ejector blocks 43 and the corresponding mold cavities 22 are in one-to-one correspondence. The lifting component 42 drives the plurality of groups of the liftout component 41 to synchronously lift, in the process of driving the plurality of groups of the liftout component 41 to synchronously lift, each group of the liftout component 41 jacks up the corresponding jack block 43, and the jack block 43 jacks up the product which is formed in the corresponding mold cavity 22 to be separated from the mold cavity 22, so that the demolding process is realized.

As shown in fig. 1, the lifting assembly 42 includes a mounting plate 421 and a lifting device 422 for driving the mounting plate 421 to lift, and a plurality of groups of the lifters 41 are mounted on the upper end surface of the mounting plate 421. Each group of ejector components 41 includes a plurality of vertically arranged ejector pins, one end of each ejector pin is connected with the mounting plate 421, and the other end of each ejector pin abuts against the bottom wall of the ejector blocks 43. The plurality of groups of the lifters 41 are all mounted on the mounting plate 421, so that when the lifting device 422 drives the mounting plate 421 to lift, the plurality of groups of the lifters 41 can easily lift synchronously.

As shown in fig. 1 and fig. 2, in this embodiment, the upper end surface of the lower mold 2 is provided with a plurality of runners 21 and a plurality of mold cavities 22 communicated with one ends of the plurality of runners 21, and the lengths of the plurality of runners 21 are all equal. The time taken by the molten molding material to travel from the molding passage 11 to the mold cavity 22 is thus substantially equal without a large difference, which can improve the molding efficiency. The runners 21 correspond to the die cavities 22 one by one, the other ends of the runners 21 are communicated with a diversion groove 23 arranged on the lower die 2, and the diversion groove 23 is positioned right below the injection molding channel 11. The diversion channel 23 is strip-shaped, and the plurality of die cavities 22 are arranged on two sides of the diversion channel 23. The projection of the injection channel 11 on the horizontal plane is located at the midpoint of the projection of the splitter box 23 on the horizontal plane.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An injection mold, its characterized in that: the injection molding machine comprises an upper die, a lower die, a base, a material ejecting device and a driving device, wherein the upper die is close to or far away from the driving device of the lower die, the upper die is connected with the base through a guide pillar, the lower die is connected with the base through a fixed support pillar, the lower die is connected with the base through the material ejecting device, the upper die is provided with a channel which runs through the upper die and is used for injection molding, the upper end face of the lower die is provided with a plurality of runners and a plurality of die cavities communicated with one ends of the runners, the runners are in one-to-one correspondence with the die cavities, the other ends of the runners are communicated with a splitter box arranged on the lower die, and the splitter.

2. An injection mold according to claim 1, wherein: the liftout device includes a plurality of groups liftout subassembly, lifting unit and locates in the bed die and be located a plurality of kicking blocks of mould chamber bottom, a plurality of groups liftout subassembly one end with lifting unit links to each other, and its other end supports on the diapire of a plurality of kicking blocks, a plurality of groups liftout subassembly, a plurality of kicking blocks and a plurality of mould chamber one-to-one.

3. An injection mould according to claim 2, characterized in that: the lifting assembly comprises a mounting plate and a lifting device for driving the mounting plate to lift, and the plurality of groups of ejection assemblies are mounted on the upper end face of the mounting plate.

4. An injection mould according to claim 3, characterized in that: every group the liftout subassembly includes the thimble of the vertical setting of a plurality of, the one end and the mounting panel of thimble link to each other, and its other end supports on the diapire of a plurality of kicking blocks.

5. An injection mold according to claim 1, wherein: the lengths of the plurality of flow channels are equal.

6. An injection mold according to claim 1, wherein: the splitter box is rectangular shape, a plurality of mould chambeies set up the both sides of splitter box.

7. An injection mold according to claim 1, wherein: the projection of the injection molding channel on the horizontal plane is positioned at the midpoint of the projection of the diversion channel on the horizontal plane.