CN211030993U - Big area electricity rubs hierarchical injection mould of back left and right sides backplate based on sequence valve technique - Google Patents

Abstract

The utility model provides a backplate mould of moulding plastics in grades about big area electricity after rubbing based on sequence valve technique belongs to mould technical field. It includes roof and cope match-plate pattern, still includes the injection molding board that is located between roof and the cope match-plate pattern, and the cope match-plate pattern bottom is equipped with the shaping face, is equipped with the flow distribution plate main part in the injection molding board, the flow distribution plate main part on even have a plurality of tip to run through the cope match-plate pattern and with the vice injection molding pipe that the shaping face links to each other. Even have the vice pipe of moulding plastics that a plurality of and shaping face link to each other in the flow distribution plate main part, it is more even to make the large tracts of land shaping face mould plastics, the bubble can not appear, improve the shaping quality of product, and can accelerate the efficiency of moulding plastics, the solenoid valve can control the flow of the intraductal liquid of moulding plastics of vice, thereby it can play the effect that improves the efficiency of moulding plastics and improve the shaping quality of product to make the mould change the interior flow size of liquid of moulding plastics of vice injection moulding pipe at any time according to the condition in the shaping intracavity.

Description

Big area electricity rubs hierarchical injection mould of back left and right sides backplate based on sequence valve technique

Technical Field

The utility model belongs to the technical field of the mould, a backplate mould of moulding plastics in grades is controlled after big area electricity rubs based on sequence valve technique is related to.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used for producing some parts with complex shapes in batch, and particularly relates to a method for injecting heated and melted plastic into a mold cavity under high pressure by an injection molding machine, and obtaining a formed product after cooling and solidification.

In order to overcome the defects of the prior art, people continuously explore and provide various solutions, for example, a Chinese patent discloses a multi-point gate mechanism for breaking an injection mold material pulling rod, and the application number is as follows: (CN201220337893.5) comprising an upper compound plate and a lower compound plate, wherein the upper compound plate is connected with a sprue plate below, the sprue plate is connected with a cavity, waste is arranged between the cavity and the sprue plate, mold feet are arranged on the lower compound plate, an upper top plate, a lower top plate, a top rod and a push rod are arranged between the mold feet, a supporting plate is arranged on the mold feet, a core fixing plate is arranged on the supporting plate, a core is arranged in the core fixing plate, a stripper plate is arranged outside the core, the stripper plate is driven by the push rod to lift up, the push rod is connected on the upper top plate, the core is matched with the cavity, a molded product is arranged between the core, it is characterized in that a first distance rivet is arranged between the sprue plate and the cavity, a waste material rivet is arranged between the sprue plate and the cavity, a second distance rivet is arranged between the waste material rivet and the cavity, a waste material pull rod is arranged below the sprue plate, a waste material clamping ball is arranged at the lower end of the waste material pull rod, and the waste material clamping ball penetrates through the waste material pull plate to be matched with the waste material. The scheme has the advantage of being capable of removing waste materials, but still has the defect that the flow rate of multi-point injection molding cannot be controlled.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a backplate mould of moulding plastics in grades is controlled to big area electricity after rubbing based on sequence valve technique is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a hierarchical injection mould of backplate about big area electricity after rubbing based on sequence valve technique, includes roof and cope match-plate pattern, still including the injection molding plate that is located between roof and the cope match-plate pattern, the cope match-plate pattern bottom is equipped with the shaping face, is equipped with the flow distribution plate main part in the injection molding plate, the flow distribution plate main part on even have a plurality of tip to run through the cope match-plate pattern and the vice injection pipe that links to each other with the shaping face, still be equipped with the solenoid valve of a plurality of and vice injection pipe one-to-one in the flow distribution plate main part, the solenoid valve bottom inserts to the junction of flow distribution plate main part and.

In the large-area electric-friction rear left and right guard plate grading injection mold based on the sequence valve technology, the splitter plate main body is provided with four splitter plates, and the auxiliary injection pipe and the electromagnetic valve are located at the end parts of the four splitter plates of the injection molding plate.

In the large-area electric-friction rear left and right guard plate grading injection mold based on the sequence valve technology, the four auxiliary injection molding pipes are arranged in a trapezoidal shape on the molding surface and are symmetrically distributed along the central line of the splitter plate main body.

In the hierarchical injection mould of backplate about after the big area electricity based on sequence valve technique rubs, the shaping surface on be equipped with four and the vice injection molding hole of vice injection molding pipe one-to-one, wherein symmetrical and apart from longer two vice injection molding holes be located the shaping surface, wherein symmetrical and apart from shorter two vice injection molding holes and shaping surface between be equipped with into water the runner.

In the large-area electric-friction rear left and right guard plate grading injection mold based on the sequence valve technology, the molding surfaces are symmetrical along the central line of the splitter plate main body, and the molding surfaces are positioned at two sides of the splitter plate main body and are respectively provided with two auxiliary injection molding holes.

In the grading injection mold for the left and right guard plates after large-area electric friction based on the sequence valve technology, the molding surface is also provided with a framework protruding outwards, the auxiliary injection molding holes are all positioned on the framework, and the framework is provided with an injection molding channel communicated with the injection molding channel, the auxiliary injection molding holes and the molding surface.

In the large-area electric-friction rear left and right guard plate grading injection mold based on the sequence valve technology, a plurality of exhaust runners are further arranged on the injection runner at the edge of the molding surface.

In the large-area electric-friction rear left and right guard plate grading injection mold based on the sequence valve technology, the splitter plate main body is also provided with a main injection molding pipe, the end part of the main injection molding pipe penetrates through the upper mold plate and is connected with the molding surface, and the molding surface is provided with a main injection molding hole corresponding to the main injection molding pipe.

In the large-area electric-friction rear left and right guard plate grading injection mold based on the sequence valve technology, the connecting pipe is arranged on the splitter plate main body and corresponds to the main injection hole, the injection port is arranged on the top plate, and the connecting pipe is connected with the injection port.

In the large-area electric-friction rear left and right guard plate grading injection mold based on the sequence valve technology, a splitter plate groove matched with the splitter plate main body is formed in the injection molding plate, and a plurality of buckles used for fixing the splitter plate main body are arranged in the splitter plate groove.

Compared with the prior art, the utility model has the advantages of: even have the vice pipe of moulding plastics that a plurality of and shaping face link to each other in the flow distribution plate main part, it is more even to make the large tracts of land shaping face mould plastics, the bubble can not appear, improve the shaping quality of product, and can accelerate the efficiency of moulding plastics, the solenoid valve can control the flow of the intraductal liquid of moulding plastics of vice, thereby it can play the effect that improves the efficiency of moulding plastics and improve the shaping quality of product to make the mould change the interior flow size of liquid of moulding plastics of vice injection moulding pipe at any time according to the condition in the shaping intracavity.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an exploded schematic view of the present invention;

fig. 3 is a schematic view of the structure of themolding surface 5.

In the figure, atop plate 1, anupper template 2, aninjection molding plate 3, a flow distribution platemain body 4, amolding surface 5, an auxiliaryinjection molding pipe 6, a solenoid valve 7, a flow distribution plate groove 8, abuckle 9, abranch flow plate 10, a maininjection molding pipe 11, an auxiliaryinjection molding hole 12, aninjection flow channel 13, aframework 14, aninjection flow channel 15, anexhaust flow channel 16, a maininjection molding hole 17, a connectingpipe 18 and aninjection port 19.

Detailed Description

As shown in figure 2, a hierarchical injection mould of backplate about big area electricity after rubbing based on sequence valve technique, includingroof 1 and cope match-plate pattern 2, still include theinjection molding plate 3 that is located betweenroof 1 and the cope match-plate pattern 2, 2 bottoms of cope match-plate pattern are equipped with shapingsurface 5, are equipped with flow distribution platemain part 4 in theinjection molding plate 3, flow distribution platemain part 4 on even have a plurality of tip to run through cope match-plate pattern 2 and with thevice injection pipe 6 that shapingsurface 5 links to each other, still be equipped with a plurality of solenoid valve 7 withvice injection pipe 6 one-to-one on flow distribution platemain part 4, solenoid valve 7 bottom inserts to the junction of flow distribution platemain part 4 andvice injection pipe 6.

In this embodiment, even there is thevice pipe 6 of moulding plastics that a plurality of and shapingface 5 link to each other on the flow distribution platemain part 4, can make the 5 more even that mould plastics of large tracts of land shaping face, the bubble can not appear, improve the shaping quality of product, and can accelerate the efficiency of moulding plastics, the solenoid valve 7 can control the flow of the interior injection moulding liquid of viceinjection moulding pipe 6, thereby make the mould can change the interior injection moulding liquid's of viceinjection moulding pipe 6 flow size at any time according to the condition in the shaping intracavity and play the effect that improves the efficiency of moulding plastics and improve the shaping quality of product.

The flow distribution platemain body 4 is provided with fourflow supporting plates 10, thesub-injection pipes 6 and the electromagnetic valves 7 are located at the end parts of the fourflow supporting plates 10 of theinjection molding plate 3, the foursub-injection pipes 6 are arranged on themolding surface 5 in a trapezoidal mode, and the foursub-injection pipes 6 are symmetrically distributed along the central line of the flow distribution platemain body 4.

In this embodiment, as shown in fig. 2 and fig. 3, thesub-injection pipes 6 and the electromagnetic valves 7 are located at the ends of the four flow-dividingplates 10 of theinjection plate 3, so that the injection molding of the large-area molding surface 5 is more uniform, no air bubbles are generated, the molding quality of the product is improved, the injection molding efficiency is increased, and the injection molding rates of the two sides of the molding cavity are the same due to the symmetrical distribution of the foursub-injection pipes 6 along the center line of the flow-dividing platemain body 4.

Themolding surface 5 is provided with foursub-injection holes 12 which are in one-to-one correspondence with thesub-injection pipes 6, wherein the twosymmetrical sub-injection holes 12 with longer distance are positioned on themolding surface 5, apouring runner 13 is arranged between the twosymmetrical sub-injection holes 12 with shorter distance and themolding surface 5, themolding surface 5 is symmetrical along the central line of the flow distribution platemain body 4, and the twosub-injection holes 12 are respectively arranged at the two sides of themolding surface 5 positioned on the flow distribution platemain body 4.

In this embodiment, as shown in fig. 3, themolding surfaces 5 are symmetrical along the central line of the splitter platemain body 4, and themolding surfaces 5 located on both sides of the splitter platemain body 4 are respectively provided with twosub-injection holes 12, so that the injection molding efficiency on both sides of the molding cavity is the same, and the quality of both sides of the product is kept consistent.

Themolding surface 5 is also provided with aframework 14 protruding outwards, the auxiliaryinjection molding holes 12 are all positioned on theframework 14, and theframework 14 is provided with aninjection molding runner 15 communicated with theinjection molding runner 13, the auxiliaryinjection molding holes 12 and themolding surface 5.

In this embodiment, as shown in fig. 3, thesub-injection hole 12 is located on theframework 14, so that the molding cavity can be filled with the injection molding liquid conveniently, and theinjection molding runner 15 can enable the molding cavity to be filled with the injection molding liquid uniformly, thereby preventing the product quality from being affected by non-uniform injection molding.

As shown in fig. 3, a plurality ofexhaust channels 16 are further disposed on theinjection molding channel 15 at the edge of themolding surface 5. In this embodiment, theexhaust runner 16 can discharge the air in the molding cavity during injection molding, so as to prevent the damage of the mold due to the fact that the pressure in the molding cavity is too large due to the untimely gas discharge.

The mainsplitter plate body 4 is also provided with a maininjection molding pipe 11, the end part of which penetrates through theupper die plate 2 and is connected with themolding surface 5, and themolding surface 5 is provided with a maininjection molding hole 17 corresponding to the maininjection molding pipe 11.

In this embodiment, as shown in fig. 3, themain injection hole 17 is located at the center of themolding surface 5, themain injection pipe 11 can inject the injection molding liquid into the molding cavity from the center of themolding surface 5, and theauxiliary injection pipe 6 is used for auxiliary injection molding from the outside, so that the injection molding efficiency can be effectively improved, and the influence on the product quality due to the non-uniform injection molding can be avoided.

Themain body 4 of the flow distribution plate is provided with a connectingpipe 18 corresponding to themain injection hole 17, thetop plate 1 is provided with aninjection molding port 19, and the connectingpipe 18 is connected with theinjection molding port 19.

In this embodiment, as shown in fig. 1 and fig. 2, theinjection port 19 is externally connected to a molding press, the molding press presses injection liquid through theinjection port 19, and the injection liquid enters the flow distribution platemain body 4 through the connectingpipe 18 for flow distribution injection.

Be equipped with in theinjection molding plate 3 and match the proper flow distribution plate groove 8 with flow distribution platemain part 4, be equipped with a plurality ofbuckle 9 that is used for fixed flow distribution platemain part 4 in the flow distribution plate groove 8.

In this embodiment, as shown in fig. 2, theclip 9 can fix the splitter platemain body 4 in the splitter plate groove 8, and prevent the splitter platemain body 4 from loosening.

The working principle of the utility model is that theinjection port 19 is externally connected with a compression molding machine, the compression molding machine presses the injection liquid through theinjection port 19, the injection liquid enters the splitter platemain body 4 through the connectingpipe 18, the injection liquid part entering the splitter platemain body 4 enters the molding cavity through themain injection pipe 11, the rest parts uniformly flow into thesplitter plate 10 and then flow into the molding cavity through theauxiliary injection pipe 6 connected on thesplitter plate 10, the injection efficiency can be improved by simultaneously injecting inside and outside, the electromagnetic valve 7 can control the flow of the injection liquid in theauxiliary injection pipe 6, so that the mold can change the flow of the injection liquid in theauxiliary injection pipe 6 at any time according to the condition in the molding cavity, thereby playing the effects of improving the injection efficiency and the molding quality of products, theexhaust runner 16 can exhaust the air in the molding cavity during injection, and the damage of the mold due to the overlarge pressure in the molding cavity caused by the untimely gas exhaust is prevented, and the influence of moisture in the air on the product quality can be avoided.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms oftop plate 1,top plate 2,injection plate 3,splitter plate body 4,molding surface 5,sub-injection pipe 6, solenoid valve 7, splitter plate groove 8,snap 9,sub-flow plate 10,main injection pipe 11,sub-injection hole 12,inlet runner 13,skeleton 14,injection runner 15,exhaust runner 16,main injection hole 17, connectingpipe 18,injection port 19, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims (10)

1. The utility model provides a hierarchical injection mould of backplate about big area electricity after rubbing based on sequence valve technique, includes roof (1) and cope match-plate pattern (2), its characterized in that still includes injection moulding plate (3) that is located between roof (1) and cope match-plate pattern (2), and cope match-plate pattern (2) bottom is equipped with shaping face (5), is equipped with flow distribution plate main part (4) in injection moulding plate (3), flow distribution plate main part (4) on even have a plurality of tip to run through cope match-plate pattern (2) and with vice injection molding pipe (6) that shaping face (5) link to each other, still be equipped with a plurality of and vice injection molding pipe (6) one-to-one solenoid valve (7) on flow distribution plate main part (4), solenoid valve (7) bottom inserts the junction to flow distribution plate main part (4) and vice injection molding pipe (6).

2. The large-area electric friction rear left-right guard plate grading injection mold based on sequence valve technology according to claim 1, characterized in that the splitter plate main body (4) has four splitter plates (10), and the side injection pipe (6) and the solenoid valve (7) are all located at the ends of the four splitter plates (10) of the injection plate (3).

3. The large-area electric friction rear left-right guard plate grading injection mold based on the sequence valve technology as claimed in claim 2, characterized in that the four injection molding pipes (6) are arranged in a trapezoid shape on the molding surface (5), and the four injection molding pipes (6) are symmetrically distributed along the central line of the splitter plate main body (4).

4. The large-area electric friction rear left and right guard plate grading injection mold based on the sequence valve technology is characterized in that the molding surface (5) is provided with four sub-injection holes (12) corresponding to the sub-injection pipes (6) one by one, wherein two symmetrical and long sub-injection holes (12) are positioned on the molding surface (5), and a pouring flow channel (13) is arranged between the two symmetrical and short sub-injection holes (12) and the molding surface (5).

5. The large-area electric friction rear left-right guard plate grading injection mold based on the sequence valve technology as claimed in claim 4, characterized in that the molding surface (5) is symmetrical along the center line of the splitter plate main body (4), and the molding surface (5) is provided with two sub-injection holes (12) on two sides of the splitter plate main body (4).

6. The large-area electric friction rear left-right guard plate grading injection mold based on the sequence valve technology as claimed in claim 5, characterized in that the molding surface (5) is further provided with a framework (14) protruding outwards, the sub-injection holes (12) are all positioned on the framework (14), and the framework (14) is provided with an injection runner (15) communicating the injection runner (13), the sub-injection holes (12) and the molding surface (5).

7. The large-area electric-friction rear left-right guard plate grading injection mold based on the sequence valve technology as claimed in claim 6, characterized in that a plurality of exhaust channels (16) are arranged on the injection channel (15) at the edge of the molding surface (5).

8. The large-area electric friction rear left-right guard plate grading injection mold based on the sequence valve technology as claimed in claim 1, wherein the splitter plate main body (4) is further provided with a main injection pipe (11) with an end part penetrating through the upper mold plate (2) and connected with the molding surface (5), and the molding surface (5) is provided with a main injection hole (17) corresponding to the main injection pipe (11).

9. The large-area electric friction rear left and right guard plate grading injection mold based on the sequence valve technology as claimed in claim 8, characterized in that the splitter plate main body (4) is provided with a connecting pipe (18) at the position corresponding to the main injection hole (17), the top plate (1) is provided with an injection port (19), and the connecting pipe (18) is connected with the injection port (19).

10. The large-area electric friction rear left and right guard plate grading injection mold based on the sequence valve technology as claimed in claim 1, wherein a splitter plate groove (8) matched with the splitter plate main body (4) is arranged in the injection plate (3), and a plurality of buckles (9) for fixing the splitter plate main body (4) are arranged in the splitter plate groove (8).

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