CN212666582U

CN212666582U - Novel double-material injection mold

Info

Publication number: CN212666582U
Application number: CN202021333394.XU
Authority: CN
Inventors: 金源先
Original assignee: Peihong Electronic Co ltd Shenzhen
Current assignee: Peihong Electronic Co ltd Shenzhen
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-09
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to the technical field of industrial equipment, in particular to a novel double-material injection mold, which comprises an upper mold, a lower mold, a second cylinder and a plurality of first cylinders, wherein the first cylinders are distributed around the upper mold, the second cylinder is arranged between the first cylinders, the upper mold is arranged on the piston end of the first cylinders, two sides of the upper mold are respectively provided with a first runner and a second runner, a cavity is formed between the upper mold and the lower mold, the first runner and the second runner are communicated with the cavity, a core groove is arranged between the first runner and the second runner of the upper mold, a core is inserted in the core groove, the top of the core is arranged on the piston end of the second cylinder, the core is in butt fit with the bottom of the cavity of the lower mold, and the side part of the core is matched with the side part of the cavity; the liquid silica gel flows into the second flow channel and is combined with the formed plastic, so that a product formed by combining the plastic and the liquid silica gel can be formed, the processing cost is saved, and the processing efficiency is accelerated.

Description

Novel double-material injection mold

Technical Field

The utility model relates to an industrial equipment technical field specifically is a novel extra quality injection mold.

Background

Liquid silica gel is a product that can be prepared and favored by consumers and manufacturers, and is made by silica gel products, has good elasticity and waterproof and moistureproof properties, and is resistant to corrosion of various chemical substances such as acid, alkali and the like, so the liquid silica gel is generally used for replacing plastic articles for daily use, and a silica gel feeding bottle is a liquid silica gel product which is popular and popular, but some toy articles or other products need to be formed by mixing plastic and silica gel.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes above-mentioned condition is not enough, provides a novel extra quality injection mold, its technical scheme as follows.

The utility model provides a novel double-material injection mold, including last mould, the bed die, second cylinder and a plurality of first cylinder, first cylinder distributes around last mould top, the second cylinder sets up between first cylinder, it installs on the piston end of first cylinder to go up the mould, it is equipped with first runner and second runner respectively to go up the mould both sides, it is formed with the die cavity to go up between mould and the bed die, first runner and second runner link up the die cavity, it is provided with the core groove to go up between the first runner of mould and the second runner, core inslot interpolation is equipped with the core, the piston end at the second cylinder is installed at the core top, the core cooperates with the die cavity bottom butt of bed die, the core lateral part is identical with the die cavity lateral part.

Further, the bottom of the mold core is provided with a sealing layer, and the sealing layer is in sealing fit with the top of the upper mold.

Further, an ejection mechanism is further installed on the die and comprises a top plate, an ejector rod and a third air cylinder, the top plate is installed at the bottom of the cavity of the lower die in a sliding mode, an ejector rod groove is formed in the lower portion of the lower die and penetrates through the cavity of the lower die, the ejector rod is arranged in the ejector rod groove in a sliding mode, the top of the ejector rod is connected with the bottom of the top plate, the third air cylinder is arranged below the lower die, and the ejector rod is installed on the piston end of the third air cylinder.

Optionally, the side portions of the upper die and the lower die are provided with a fourth cylinder and a taking-out jig, the taking-out jig is installed on the piston end of the fourth cylinder, and the taking-out jig is matched with the insertion seam between the upper die and the lower die.

Further, the taking-out jig comprises a jig plate and a vacuum sucker, the vacuum sucker is installed on the jig plate, a sucker opening of the vacuum sucker faces towards the lower die, the jig plate is installed on a piston end of the fourth cylinder, and the vacuum sucker is connected with a vacuum generator and an electromagnetic valve through a pipeline.

Furthermore, the positioning rod is installed at the bottom of the upper die, the positioning hole is formed in the lower die, the positioning rod and the positioning hole are arranged around the cavity, and the positioning rod is in plug-in fit with the positioning hole.

Compared with the prior art, the beneficial effects of the utility model reside in that:

be equipped with first runner and second runner and flow in plastics and silica gel material respectively, go up the mould and close the mould with the bed die after, second cylinder piston end stretches out and drives the core and descend to butt bed die cavity bottom, flow in first runner behind the hot melt plastics, behind the shaping in the die cavity, second cylinder piston end shrink drives the core and rises to the parallel back of die cavity top with last mould, liquid silica gel flows into from the second runner and combines with the plastics after the shaping, just so can the shaping product that goes out plastics and liquid silica gel combine, the processing cost is saved, accelerate machining efficiency.

Drawings

Fig. 1 is a sectional view of the utility model when opening the mold.

Fig. 2 is a cross-sectional view of the mold closed according to the present invention.

The reference numerals are respectively: the mold comprises an upper mold 1, a lower mold 2, a second cylinder 3, a first cylinder 4, a first runner 5, a second runner 6, a cavity 7, a mold core 8, a sealing layer 9, an ejection mechanism 10, a top plate 11, an ejector rod 12, a third cylinder 13, a fourth cylinder 14, a taking-out jig 15, a jig plate 16, a vacuum chuck 17, a vacuum generator 18, an electromagnetic valve 19, a positioning rod 20 and a positioning hole 21.

Detailed Description

As shown in fig. 1 and 2, a novel two-material injection mold comprises an upper mold 1 and a lower mold 2, the mold comprises a second cylinder 3 and a plurality of first cylinders 4, wherein the first cylinders 4 are distributed around the upper portion of the upper mold 1, the second cylinder 3 is arranged between the first cylinders 4, the upper mold 1 is installed on a piston end of the first cylinders 4, a first runner 5 and a second runner 6 are respectively arranged on two sides of the upper mold 1, a cavity 7 is formed between the upper mold 1 and the lower mold 2, the first runner 5 and the second runner 6 penetrate through the cavity 7, a core groove (not shown) is arranged between the first runner 5 and the second runner 6 of the upper mold 1, a core 8 is inserted into the core groove (not shown), the top of the core 8 is installed on the piston end of the second cylinder 3, the core 8 is in butt fit with the bottom of the cavity 7 of the lower mold 2, and the side portion of the core 8 is matched with the side portion of the cavity 7.

Further, a first flow channel 5 and a second flow channel 6 are arranged to flow plastic and silica gel materials respectively, after the upper die 1 and the lower die 2 are closed, the piston end of the second cylinder 3 extends out to drive the core 8 to descend to abut against the bottom of the cavity 7 of the lower die 2, the hot molten plastic flows into the first flow channel 5, after the plastic is formed in the cavity 7, the piston end of the second cylinder 3 contracts to drive the core 8 to ascend to be parallel to the top of the cavity 7 of the upper die 1, the liquid silica gel flows into the second flow channel 6 to be combined with the formed plastic, and therefore a product formed by combining the plastic and the liquid silica gel can be formed, machining cost is saved, and machining efficiency is improved.

Further, a sealing layer 9 is arranged at the bottom of the mold core 8, and the sealing layer 9 is in sealing fit with the top of the upper mold 1; the sealing layer 9 is arranged to enhance the air tightness of the mold during injection molding.

Further, the mold is further provided with an ejection mechanism 10, the ejection mechanism 10 comprises a top plate 11, a top rod 12 and a third cylinder 13, the top plate 11 is slidably mounted at the bottom of the cavity 7 of the lower mold 2, the lower part of the lower mold 2 is provided with a top rod groove (not shown), the top rod groove (not shown) penetrates through the cavity 7 of the lower mold 2, the top rod 12 is slidably arranged in the top rod groove (not shown), the top of the top rod 12 is connected with the bottom of the top plate 11, the third cylinder 13 is arranged below the lower mold 2, and the top rod 12 is mounted at the piston end of the third cylinder 13; after the upper die 1 and the lower die 2 are opened, the third cylinder 13 extends out to drive the ejector rod 12 and the top plate 11 to ascend, so that a formed product is ejected out, and the product is convenient to take out manually or mechanically.

Optionally, a fourth cylinder 14 and a taking-out jig 15 are arranged at the side portions of the upper die 1 and the lower die 2, the taking-out jig 15 is installed at a piston end of the fourth cylinder 14, and the taking-out jig 15 is in insertion joint fit with the upper die 1 and the lower die 2; after the upper die 1 and the lower die 2 are opened, the fourth cylinder 14 extends out to drive the taking-out jig 15 to take out a product, so that the manpower resource can be saved, and the processing cost is reduced.

Further, the taking-out jig 15 comprises a jig plate 16 and a vacuum chuck 17, the vacuum chuck 17 is mounted on the jig plate 16, a chuck opening of the vacuum chuck 17 is arranged facing the lower mold 2, the jig plate 16 is mounted on a piston end of the fourth cylinder 14, and the vacuum chuck 17 is connected with a vacuum generator 18 and an electromagnetic valve 19 through a pipeline; after the fourth cylinder 14 extends out, a suction cup port of the vacuum suction cup 17 abuts against a product, the vacuum generator 18 and the electromagnetic valve 19 act, so that the suction cup sucks the product, the fourth cylinder 14 contracts again, the vacuum generator 18 and the electromagnetic valve 19 are closed after the jig moves to a corresponding position, and the product falls from the suction cup; the sucker has low cost, can reduce the processing cost and can play the role of automation.

Furthermore, a positioning rod 20 is installed at the bottom of the upper die 1, a positioning hole 21 is formed in the lower die 2, the positioning rod 20 and the positioning hole 21 are arranged around the cavity 7, and the positioning rod 20 is in inserted fit with the positioning hole 21; the positioning rod 20 and the positioning hole 21 are arranged to be in inserting fit, so that the influence on the processing progress caused by dislocation of the upper die 1 and the lower die 2 during die opening and closing can be avoided.

Various other modifications and alterations of the disclosed structure and principles may occur to those skilled in the art, and all such modifications and alterations are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a novel extra quality injection mold which characterized in that: the upper die comprises an upper die, a lower die, a second cylinder and a plurality of first cylinders, the first cylinders are distributed around the upper die, the second cylinders are arranged between the first cylinders, the upper die is installed on the piston end of the first cylinders, two sides of the upper die are respectively provided with a first runner and a second runner, a cavity is formed between the upper die and the lower die, the first runner and the second runner penetrate through the cavity, a core groove is formed between the first runner and the second runner of the upper die, a core is inserted in the core groove, the top of the core is installed on the piston end of the second cylinder, the core is in butt joint with the bottom of the cavity of the lower die, and the side of the core is matched with the side of the cavity.

2. A novel two-material injection mold as defined in claim 1, wherein: and a sealing layer is arranged at the bottom of the mold core and is in sealing fit with the top of the upper mold.

3. A novel two-material injection mold as defined in claim 1, wherein: the lower die is further provided with an ejection mechanism, the ejection mechanism comprises a top plate, an ejector rod and a third cylinder, the top plate is slidably mounted at the bottom of the cavity of the lower die, an ejector rod groove is formed in the lower portion of the lower die and penetrates through the cavity of the lower die, the ejector rod is slidably arranged in the ejector rod groove, the top of the ejector rod is connected with the bottom of the top plate, the third cylinder is arranged below the lower die, and the ejector rod is mounted at the piston end of the third cylinder.

4. A novel two-material injection mold as defined in claim 1, wherein: the lateral parts of the upper die and the lower die are provided with a fourth cylinder and a taking-out jig, the taking-out jig is installed on the piston end of the fourth cylinder, and the taking-out jig is matched with the insertion seam between the upper die and the lower die.

5. The novel two-material injection mold according to claim 4, wherein: the taking-out jig comprises a jig plate and a vacuum sucker, the vacuum sucker is installed on the jig plate, a sucker opening of the vacuum sucker faces towards the lower die, the jig plate is installed on a piston end of the fourth cylinder, and the vacuum sucker is connected with a vacuum generator and an electromagnetic valve through a pipeline.

6. A novel two-material injection mold as defined in claim 1, wherein: the locating lever is installed to the bottom of going up the mould, has seted up the locating hole on the bed die, and the locating lever sets up around the die cavity with the locating hole, and the locating lever cooperates with the locating hole grafting.