CN211307225U

CN211307225U - Injection mold

Info

Publication number: CN211307225U
Application number: CN201922138884.8U
Authority: CN
Inventors: 王诚
Original assignee: Suzhou Fuxiang Plastic Co ltd
Current assignee: Suzhou Fuxiang Plastic Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-08-21
Anticipated expiration: 2029-12-03

Abstract

The utility model belongs to the technical field of injection moulding equipment, specifically disclose an injection mold, include die holder, crane, go up mould, lower mould, actuating mechanism, ejection mechanism, cooling body and the mouth of moulding plastics, the lower mould is formed by two the same module concatenations, die holder central point puts and is provided with ejection mechanism, ejection mechanism bilateral symmetry is provided with the slide rail, be provided with the module through the slider in the slide rail, also be provided with ejection mechanism in the module, the embedded cooling body that has in the module, module one side is provided with actuating mechanism, be provided with the crane on the die holder, it installs on the crane to go up the mould, it is corresponding with the lower mould to go up the mould, it moulds plastics the mouth to be provided with on the mould. The utility model discloses can carry out rapid cooling, high-efficient drawing of patterns effectively guarantees drawing of patterns efficiency and drawing of patterns quality, improves the qualification rate and the machining efficiency of product, the utility model discloses simple structure, convenient operation, the practicality is strong.

Description

Injection mold

Technical Field

The utility model relates to an injection moulding equipment correlation field specifically is an injection mold.

Background

When the inner cavity of the injection molding workpiece is deep, the injection molding workpiece is difficult to automatically fall off or brush off, so that the injection molding workpiece usually needs manual demolding. However, for the thermosetting injection molding workpiece, the surface temperature of the injection molding workpiece is high after the mold is opened, manual demolding is difficult to perform, and if the injection molding workpiece is cooled and then demolded, on one hand, the injection molding workpiece can be more tightly wrapped outside the mold core due to thermal expansion and cold contraction, so that the demolding difficulty is further increased; on the other hand, the demolding period is greatly prolonged, so that the production efficiency is influenced. An injection mold and a demolding method thereof are designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold and drawing of patterns method thereof to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold, includes die holder, crane, goes up mould, lower mould, actuating mechanism, ejection mechanism, cooling body and the mouth of moulding plastics, the lower mould is formed by two the same module concatenations, die holder central point puts and is provided with ejection mechanism, ejection mechanism bilateral symmetry is provided with the slide rail, be provided with the module through the slider in the slide rail, also be provided with ejection mechanism in the module, the embedded cooling body that has in the module, module one side is provided with actuating mechanism, be provided with the crane on the die holder, go up the mould and install on the crane, it is corresponding with the lower mould to go up the mould, it moulds plastics the mouth to go up to be provided with.

Preferably, the lifting frame comprises a hydraulic cylinder, a hydraulic rod and a connecting rod, the hydraulic cylinder is fixed on two sides of the die holder, the hydraulic rod is installed on the hydraulic cylinder, and the top end of the hydraulic rod is fixed on two sides of the upper die through the connecting rod.

Preferably, the driving mechanism comprises a fixing plate, a push rod motor and a push rod, the fixing plate is symmetrically arranged on two sides of the die holder, the push rod motor is symmetrically arranged on the fixing plate, and the push rod of the push rod motor is fixedly connected to the lower die.

Preferably, the ejection mechanism comprises an ejection motor, an ejector pin and a sealing element, the ejection motor is respectively arranged on the die holder and the two modules, the ejector pin is arranged on the ejection motor, and the sealing element is arranged on the outer side of the ejector pin.

Preferably, the cooling mechanism comprises a cooling pipeline, a water inlet and a water outlet, the cooling pipeline is embedded in the lower die, the water inlet and the water outlet are respectively arranged on the upper side and the lower side of the lower die, and the water inlet and the water outlet are connected with the cooling pipeline.

Preferably, the method comprises the following steps:

s1, closing the upper die and the lower die, and performing injection molding through the injection molding port;

s2, after injection molding is completed, inputting circulating cooling water through a water inlet to rapidly cool the lower die to reach the demolding temperature;

s3, lifting the upper die by the lifting frame, and enabling the driving mechanisms and the ejection mechanisms on the two modules to work simultaneously to enable the two modules of the lower die to be separated from the product;

and S4, ejecting the product out by the ejection mechanism on the die holder, and demolding.

Preferably, in step S3, the moving speed of the push rod motor in the driving mechanism is the same as the moving speed of the ejector pin in the ejection mechanism.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an injection mold and drawing of patterns method thereof, the lower mould of setting can the split, is provided with a plurality of ejection mechanisms simultaneously and effectively helps the injection molding to separate from the lower mould, improves drawing of patterns efficiency and drawing of patterns quality, and the cooling body of setting can be fast to lower mould and injection molding operation of cooling down, improves drawing of patterns efficiency, the utility model discloses simple structure, convenient operation, the practicality is strong.

Drawings

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

in the figure: 1. a die holder; 2. a lifting frame; 3. an upper die; 4. a lower die; 5. a drive mechanism; 6. an ejection mechanism; 7. a cooling mechanism; 8. an injection molding port; 9. a module; 10. a slide rail; 11. a slider; 12. a hydraulic cylinder; 13. a hydraulic lever; 14. a connecting rod; 15. a fixing plate; 16. a push rod motor; 17. a push rod; 18. ejecting a motor; 19. a thimble; 20. a seal member; 21. a cooling duct; 22. a water inlet; 23. and (7) a water outlet.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides an injection mold, includes die holder 1, crane 2, goes up mould 3, lower mould 4, actuating mechanism 5, ejection mechanism 6, cooling body 7 and mould plastics mouthful 8, lower mould 4 is formed by the concatenation of two the same modules 9, 1 central point of die holder puts and is provided with ejection mechanism 6, the 6 bilateral symmetry of ejection mechanism is provided with slide rail 10, be provided with module 9 through slider 11 in the slide rail 10, also be provided with ejection mechanism 6 on the module 9, the embedded cooling body 7 that has in the module 9, module 9 one side is provided with actuating mechanism 5, be provided with crane 2 on the die holder 1, it installs on crane 2 to go up mould 3, it is corresponding with lower mould 4 to go up mould 3, it moulds plastics mouthful 8 to be provided with on mould 3.

Further, the lifting frame 2 comprises a hydraulic cylinder 12, a hydraulic rod 13 and a connecting rod 14, the hydraulic cylinder 12 is fixed on two sides of the die holder 1, the hydraulic rod 13 is installed on the hydraulic cylinder 12, and the top end of the hydraulic rod 13 is fixed on two sides of the upper die 3 through the connecting rod 14.

Further, the driving mechanism 5 comprises a fixing plate 15, a push rod motor 16 and a push rod 17, the fixing plate 15 is symmetrically arranged on two sides of the die holder 1, the push rod motor 16 is symmetrically arranged on the fixing plate 15, and the push rod 17 of the push rod motor 16 is fixedly connected to the lower die 4.

Further, the ejection mechanism 6 includes an ejection motor 18, a thimble 19 and a sealing member 20, the ejection motor 18 is respectively disposed on the die holder 1 and the two modules 9, the thimble 19 is disposed on the ejection motor 18, and the sealing member 20 is disposed on the outer side of the thimble 19.

Further, the cooling mechanism 7 comprises a cooling pipeline 21, a water inlet 22 and a water outlet 23, the cooling pipeline 21 is embedded in the lower die 4, the water inlet 22 and the water outlet 23 are respectively arranged on the upper side and the lower side of the lower die 4, and the water inlet 22 and the water outlet 23 are connected with the cooling pipeline 21.

Further, the method comprises the following steps:

Further, in the step S3, the moving speed of the push rod 17 of the push rod motor 16 in the driving mechanism 5 is the same as the moving speed of the ejector pin 19 in the ejection mechanism 6.

The working principle is as follows: the utility model relates to an injection mold and a demolding method thereof, when in use, firstly, a hydraulic rod 13 is driven to descend through the work of a hydraulic cylinder 12 in a lifting frame 2, so that an upper mold 3 and a lower mold 4 are assembled, then, the injection molding is carried out through an injection port 8 on the upper mold 3, after the injection molding is carried out, cooling water is injected through a water inlet 22 arranged at one side of a module 9 of the lower mold 4 after the injection molding is formed, the cooling water is rapidly cooled for the module 9 and the injection molding through a cooling pipeline 21 in the module 9 and then is discharged from a water outlet 23, when the injection molding and the lower mold 4 reach the demolding temperature, the water injection is stopped, the hydraulic rod 13 is driven to ascend through the work of the hydraulic cylinder 12 in the lifting frame 2 to lift the upper mold 3, then a driving mechanism 5 on the module 9 and a push rod motor 16 and an ejection motor 18 in the ejection mechanism 6 work, the push rod motor, simultaneously the ejecting motor 18 work on the module 9 makes the ejecting injection molding of thimble 19 break away from module 9, and the moving speed of the push rod 17 of push rod motor 16 is the same with the moving speed of the thimble 19 of ejecting motor 18 and opposite direction to make the injection molding be in the central point of die holder 9 and be located ejection mechanism 6 on the die holder 1, ejection mechanism 6 work on the die holder 1 is with injection molding jack-up completion drawing of patterns work after that, the utility model discloses simple structure, drawing of patterns efficiency piece, drawing of patterns high quality, the qualification rate of injection molding is higher, and the practicality is strong.

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

1. An injection mold, its characterized in that: comprises a die holder (1), a lifting frame (2), an upper die (3), a lower die (4), a driving mechanism (5), an ejection mechanism (6), a cooling mechanism (7) and an injection molding port (8), wherein the lower die (4) is formed by splicing two same modules (9), the ejection mechanism (6) is arranged at the central position of the die holder (1), slide rails (10) are symmetrically arranged at two sides of the ejection mechanism (6), the modules (9) are arranged in the slide rails (10) through slide blocks (11), the ejection mechanism (6) is also arranged on the modules (9), the cooling mechanism (7) is embedded in the modules (9), the driving mechanism (5) is arranged at one side of each module (9), the lifting frame (2) is arranged on the die holder (1), the upper die (3) is installed on the lifting frame (2), and the upper die (3) corresponds to the lower die (4), an injection molding opening (8) is formed in the upper die (3).

2. An injection mold according to claim 1, wherein: the lifting frame (2) comprises a hydraulic cylinder (12), a hydraulic rod (13) and a connecting rod (14), the hydraulic cylinder (12) is fixed on two sides of the die holder (1), the hydraulic rod (13) is installed on the hydraulic cylinder (12), and the top end of the hydraulic rod (13) is fixed on two sides of the upper die (3) through the connecting rod (14).

3. An injection mold according to claim 1, wherein: actuating mechanism (5) are including fixed plate (15), push rod motor (16) and push rod (17), fixed plate (15) symmetry sets up in die holder (1) both sides, the symmetry is provided with push rod motor (16) on fixed plate (15), push rod (17) fixed connection of push rod motor (16) is on lower mould (4).

4. An injection mold according to claim 1, wherein: the ejection mechanism (6) comprises an ejection motor (18), ejector pins (19) and sealing pieces (20), the ejection motor (18) is respectively arranged on the die holder (1) and the two modules (9), the ejector pins (19) are arranged on the ejection motor (18), and the sealing pieces (20) are arranged on the outer sides of the ejector pins (19).

5. An injection mold according to claim 1, wherein: cooling body (7) include cooling tube (21), water inlet (22) and delivery port (23), cooling tube (21) embedded in lower mould (4), water inlet (22) and delivery port (23) set up the last downside at lower mould (4) respectively, water inlet (22) and delivery port (23) are connected with cooling tube (21).