CN210233837U

CN210233837U - Overcome high mobility of fold of moulding plastics device of moulding plastics

Info

Publication number: CN210233837U
Application number: CN201921094641.2U
Authority: CN
Inventors: Zhongfa Zhou; 周忠发
Original assignee: Shenzhen Hongyang Plastic Co Ltd
Current assignee: Shenzhen Hongyang Plastic Co Ltd
Priority date: 2019-07-13
Filing date: 2019-07-13
Publication date: 2020-04-03
Anticipated expiration: 2029-07-13

Abstract

The utility model discloses an overcome high mobility device of moulding plastics of fold, including the lower plate, fixed mounting has the supporting seat on the lower plate up end, the upper end fixedly connected with lower bolster of supporting seat, slide in the lower bolster and set up and install lower mould benevolence, be provided with the die cavity in the lower mould benevolence, the top of lower plate is provided with the upper plate, fixedly connected with cope match-plate pattern on the upper plate lower extreme, slide in the cope match-plate pattern and set up and install upper mould benevolence, be provided with the cope match-plate pattern in the upper mould benevolence, set up on the upper plate up end and install the holding ring, set up in upper plate and the cope match-plate pattern and install the runner cover, be provided with the runner in the upper mould benevolence, the runner links to each other. The utility model relates to a simple structure, it is effectual to mould plastics, and the high mobility of the fold of moulding plastics of overcoming that cooling efficiency is high device of moulding plastics.

Description

Overcome high mobility of fold of moulding plastics device of moulding plastics

Technical Field

The utility model relates to a technical field of moulding plastics specifically is an overcome high mobility of fold of moulding plastics device of moulding plastics.

Background

The injection molding device is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification. At present, when a product with a larger volume is injected by an existing injection molding device, due to the characteristic that injection molding liquid is easy to solidify, wrinkles are often formed on the surface of the product easily, and the appearance of the product is affected. Therefore, a new high-fluidity injection molding apparatus overcoming the injection molding wrinkles is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an overcome high mobility of fold of moulding plastics device of moulding plastics 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:

a high-fluidity injection molding device for overcoming injection molding wrinkles comprises a lower base plate, wherein a supporting seat is fixedly arranged on the upper end surface of the lower base plate, the upper end of the supporting seat is fixedly connected with a lower template, a lower mold core is arranged in the lower template in a sliding manner, a lower mold cavity is arranged in the lower mold core, an upper base plate is arranged above the lower base plate, an upper mold plate is fixedly connected on the lower end surface of the upper base plate, an upper mold core is arranged in the upper template in a sliding manner, an upper mold cavity is arranged in the upper mold core, a positioning ring is arranged on the upper end surface of the upper base plate, sprue sleeves are arranged in the upper base plate and the upper mold plate, a runner is arranged in the upper mold core, the runner is connected with the sprue sleeves, a plurality of runners are uniformly distributed in the upper mold cavity and the lower mold cavity, the runners are connected, and the supporting seat is internally provided with an ejection device.

Preferably, a group of guide rod grooves are formed in the upper template and the lower template, a group of guide rods are fixedly connected to the upper mold core and the lower mold core, and the guide rods are arranged in the guide rod grooves in a sliding fit mode.

Preferably, a spring is arranged in the guide rod groove and abuts against the tail end of the guide rod.

Preferably, a plurality of strip-shaped heat dissipation grooves with semicircular sections are uniformly distributed on the outer surfaces of the upper die core and the lower die core.

Preferably, the end faces of the upper mold core and the lower mold core, and the end faces of the upper mold plate and the lower mold plate, which face each other, are provided with air holes.

Preferably, the ejection device in the supporting seat comprises an ejector plate, the ejector plate is arranged in the supporting seat in a sliding mode, and a plurality of ejector pins are fixedly mounted on the ejector plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses at the in-process of moulding plastics, the electrical heating board keeps warm to the liquid of moulding plastics and has improved the mobility of the liquid of moulding plastics, prevents that the liquid of moulding plastics from solidifying too fast and causing product surface fold, and evenly distributed has a plurality of runners in last die cavity and the lower die cavity, and many runners set up the flow distance that has reduced the liquid of moulding plastics, have improved the flow uniformity who moulds plastics. The upper die core and the lower die core are respectively arranged in the upper die plate and the lower die plate in a sliding mode, and the die core is separated from the die plates after die separation, so that the cooling efficiency of products is improved. The arrangement of the heat dissipation groove increases the area of the outer surfaces of the upper die core and the lower die core, and further improves the heat dissipation efficiency. The utility model relates to a simple structure, it is effectual to mould plastics, and the high mobility of the fold of moulding plastics of overcoming that cooling efficiency is high device of moulding plastics.

Drawings

FIG. 1 is a schematic diagram of a high flow injection molding apparatus for overcoming injection wrinkles;

fig. 2 is a partial structural view at K in fig. 1.

In the figure: 1-lower base plate, 2-supporting base, 3-lower base plate, 4-air vent, 5-upper template, 6-upper base plate, 7-sprue bush, 8-positioning ring, 9-sprue bush, 10-electric heating plate, 11-upper die cavity, 12-upper die core, 13-ejector plate, 14-ejector pin, 15-guide rod groove, 16-guide rod, 17-spring, 18-sprue, 19-radiating groove, 20-lower die core and 21-lower die cavity.

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.

Referring to fig. 1-2, the present invention provides a technical solution: a high-fluidity injection molding device for overcoming injection molding wrinkles comprises a lower base plate 1, wherein a supporting seat 2 is fixedly arranged on the upper end surface of the lower base plate 1, the upper end of the supporting seat 2 is fixedly connected with a lower template 3, a lower mold core 20 is arranged in the lower template 3 in a sliding manner, a lower mold cavity 21 is arranged in the lower mold core 20, an upper base plate 6 is arranged above the lower base plate 1, an upper template 5 is fixedly connected onto the lower end surface of the upper base plate 6, an upper mold core 12 is arranged in the upper template 5 in a sliding manner, an upper mold cavity 11 is arranged in the upper mold core 12, a positioning ring 8 is arranged on the upper end surface of the upper base plate 6, a sprue bush 7 is arranged in the upper base plate 6 and the upper template 5, a runner 9 is arranged in the upper mold core 12, the runner 9 is connected with the sprue bush 7, a plurality of runners 18 are uniformly distributed in the upper mold cavity 11 and the lower mold, an electric heating plate 10 is arranged in the upper mold core 12 and the lower mold core 20, and an ejection device is arranged in the supporting seat 2.

In the injection molding process, the upper mold cavity 11 and the lower mold cavity 21 are mutually closed by the upper mold plate 5 and the lower mold plate 3 to form a closed cavity, then injection molding liquid is injected into the closed mold cavity through the sprue bush 7 and the runner 9, the mold plate 5 is separated from the lower mold plate 3 after a period of time, and a product is ejected out of the mold cavity by the ejection device; in the process of moulding plastics, electric heating plate 10 keeps warm to the liquid of moulding plastics and has improved the mobility of the liquid of moulding plastics, prevents to mould plastics that the liquid solidifies too fast and causes product surface fold, and evenly distributed has a plurality of runners 18 in last die cavity 11 and the lower die cavity 12, and many runners set up the flow distance that has reduced the liquid of moulding plastics, have improved the flow uniformity who moulds plastics.

Preferably, a set of guide grooves 15 are formed in the upper mold plate 5 and the lower mold plate 3, a set of guide rods 16 are fixedly connected to the upper mold core 12 and the lower mold core 20, and the guide rods 16 are slidably fitted in the guide grooves 15.

The upper mold core 12 and the lower mold core 20 are respectively installed in the upper template 5 and the lower template 3 in a sliding mode, and the mold cores are separated from the templates after mold splitting, so that the cooling efficiency of products is improved.

Preferably, a spring 17 is arranged in the guide rod groove 15, and the spring 17 abuts against the tail end of the guide rod 16.

The spring 17 is used for ejecting the upper mold core 12 and the lower mold core 20 from the upper mold plate 5 and the lower mold plate 3, respectively, after mold separation.

Preferably, a plurality of strip-shaped heat dissipation grooves 19 with semicircular sections are uniformly distributed on the outer surfaces of the upper mold core 12 and the lower mold core 20.

The arrangement of the heat radiating grooves 19 increases the area of the outer surfaces of the upper and

lower mold cores

12 and 20, thereby improving heat radiating efficiency.

Preferably, the end surfaces of the upper mold core 12 and the lower mold core 20, and the end surfaces of the upper mold plate 5 and the lower mold plate 3, which face each other, are provided with air holes 4.

The air holes 4 are used for discharging gas in the injection molding liquid, and bubbles are prevented from being formed on the surface of an injection molding product.

Preferably, the ejector device in the supporting seat 2 comprises an ejector plate 13, the ejector plate 13 is slidably arranged and installed in the supporting seat 2, and a plurality of ejector pins 14 are fixedly installed on the ejector plate 13.

The ejector pins 14 are used to eject the cooled injection-molded product from the mold cavity.

The utility model discloses a theory of operation is: the utility model relates to a overcome high mobility injection moulding device of fold of moulding plastics, in the injection moulding process, go up the closed upper die cavity 11 of mould cavity and make up the closed cavity with lower die cavity 21 of mould cavity 3 each other of template 5 and lower bolster, then the injection moulding liquid pours into the closed die cavity into through sprue bush 7 and runner 9, template 5 and lower bolster 3 separation after a period of time, the ejecting device is ejected the product from the die cavity; in the process of moulding plastics, electric heating plate 10 keeps warm to the liquid of moulding plastics and has improved the mobility of the liquid of moulding plastics, prevents to mould plastics that the liquid solidifies too fast and causes product surface fold, and evenly distributed has a plurality of runners 18 in last die cavity 11 and the lower die cavity 12, and many runners set up the flow distance that has reduced the liquid of moulding plastics, have improved the flow uniformity who moulds plastics. The upper mold core 12 and the lower mold core 20 are respectively installed in the upper template 5 and the lower template 3 in a sliding mode, and the mold cores are separated from the templates after mold splitting, so that the cooling efficiency of products is improved. The spring 17 is used for ejecting the upper mold core 12 and the lower mold core 20 from the upper mold plate 5 and the lower mold plate 3, respectively, after mold separation. The arrangement of the heat radiating grooves 19 increases the area of the outer surfaces of the upper and

lower mold cores

12 and 20, thereby improving heat radiating efficiency. The air holes 4 are used for discharging gas in the injection molding liquid, and bubbles are prevented from being formed on the surface of an injection molding product. The ejector pins 14 are used to eject the cooled injection-molded product from the mold cavity.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an overcome high mobility device of moulding plastics of fold, includes lower plate (1), its characterized in that: the die comprises a lower base plate (1), a supporting seat (2) is fixedly arranged on the upper end face of the lower base plate (1), the upper end of the supporting seat (2) is fixedly connected with a lower template (3), a lower die core (20) is arranged in the lower die core (20) in a sliding manner, a lower die cavity (21) is arranged in the lower die core (20), an upper base plate (6) is arranged above the lower base plate (1), an upper template (5) is fixedly connected on the lower end face of the upper base plate (6), an upper die core (12) is arranged in the upper template (5) in a sliding manner, an upper die cavity (11) is arranged in the upper die core (12), a positioning ring (8) is arranged on the upper end face of the upper base plate (6), a sprue bush (7) is arranged in the upper base plate (6) and the upper template (5), a runner (9) is arranged in the upper die core (12), the runner (9) is connected with the sprue bush (7), the sprue (18) is connected with one end, far away from the sprue bush (7), of the runner (9), the electric heating plate (10) is arranged in the upper die core (12) and the lower die core (20), and the ejection device is arranged in the supporting seat (2).

2. A high flow injection molding apparatus for overcoming injection wrinkles as claimed in claim 1 wherein: a group of guide rod grooves (15) are formed in the upper template (5) and the lower template (3), a group of guide rods (16) are fixedly connected to the upper die core (12) and the lower die core (20), and the guide rods (16) are installed in the guide rod grooves (15) in a sliding fit mode.

3. A high flow injection molding apparatus for overcoming injection wrinkles as claimed in claim 2 wherein: a spring (17) is arranged in the guide rod groove (15), and the spring (17) abuts against the tail end of the guide rod (16).

4. A high flow injection molding apparatus for overcoming injection wrinkles as claimed in claim 1 wherein: a plurality of strip-shaped heat dissipation grooves (19) with semicircular sections are uniformly distributed on the outer surfaces of the upper mold core (12) and the lower mold core (20).

5. A high flow injection molding apparatus for overcoming injection wrinkles as claimed in claim 1 wherein: and air holes (4) are formed in the end surfaces of the upper mold core (12) and the lower mold core (20) which are opposite to each other, and the end surfaces of the upper mold plate (5) and the lower mold plate (3) which are opposite to each other.

6. A high flow injection molding apparatus for overcoming injection wrinkles as claimed in claim 1 wherein: ejecting device in supporting seat (2) includes thimble board (13), thimble board (13) slide to set up and install in supporting seat (2), and fixed mounting has a plurality of thimbles (14) on thimble board (13).