CN210940295U

CN210940295U - A gating system for communication relay bottom plate injection mold

Info

Publication number: CN210940295U
Application number: CN201921821491.0U
Authority: CN
Inventors: 栾承亚; 李申; 魏小菊; 陈政祥
Original assignee: Ningbo Wanlin Electronic Technology Co ltd
Current assignee: Ningbo Wanlin Electronic Technology Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-07-07
Anticipated expiration: 2029-10-28

Abstract

The utility model relates to a gating system for communication relay bottom plate injection mold, including the flow distribution plate, the vertical main mouth that jets of installing in flow distribution plate upper end middle part, the flow distribution plate lower extreme centers on the main hot mouth subassembly that evenly installs a plurality of and be vertical arrangement of jetting the mouth, hot mouth subassembly includes hot mouth body, hot mouth core and play jiao zui, this internal vertical the opening of hot mouth has the runner, hot mouth body lower part is located runner lower extreme department and opens there is the inner groovy, inner groovy female connection has a jiao zui, install hot mouth core in the inner groovy, hot mouth core lower extreme inserts in the jiao zui, it has vertical through-hole to open in the hot mouth core, vertical through-hole upper end and runner butt joint, it has the inclined hole that links to each other with vertical through-hole lower extreme to open on coniform and the lower part lateral wall to hot mouth core lower part, be. The utility model discloses an even pouring die cavity of hot mouth subassembly of a plurality of, work efficiency is high, and the pouring is even, and the equilibrium stability is better.

Description

A gating system for communication relay bottom plate injection mold

Technical Field

The utility model relates to a communication relay bottom plate injection mold technical field especially relates to a gating system for communication relay bottom plate injection mold.

Background

The relay is usually made of thermosetting plastics, which are mainly used for heat insulation, wear resistance, insulation, high voltage resistance and other plastics used in severe environments, most of the thermosetting plastics are thermosetting plastics, and the common thermosetting plastics are phenolic resin, urea resin, melamine resin, unsaturated polyester resin, epoxy resin, organic silicon resin, polyurethane and the like. The relay is a control device frequently used in the field of electrical equipment control, and is generally used for outputting control instructions or controlling various electrical equipment, and the relay is generally arranged on a circuit node and controls a circuit where the relay is located through one or more relays. Along with the development of electrical equipment technology and the continuous expansion of relay function, the inner structure and the function of relay are more and more complicated, and all kinds of electric parts and circuits inside the relay are also increased along with the promotion of function, can effectively reduce the installation volume of relay under such structure and satisfy the modularization demand simultaneously.

And then higher requirements are put on the relay plastic product mold. The production level of the relay mold becomes an important mark for measuring the production level of an enterprise, and the research and development design capability of the relay product mold determines the quality and the benefit of the product and the development capability of a new product to a great extent.

The communication relay base plate is a thin-wall product, the thickness of the communication relay base plate is very small, the mold for producing the communication relay base plate belongs to an injection mold with multiple cavities, and the requirement on the balance of a pouring system is far higher than that of a conventional mold, so that the pouring system suitable for the injection mold of the communication relay base plate is very necessary.

Disclosure of Invention

The utility model aims to solve the technical problem that a gating system for communication relay bottom plate injection mold is provided, through the even pouring die cavity of a plurality of hot mouth subassembly, work efficiency is high, and the pouring is even, and the equilibrium stability is better.

The utility model provides a technical scheme that its technical problem adopted is: provides a pouring system for an injection mold of a communication relay base plate, which comprises a splitter plate, wherein the middle part of the upper end of the splitter plate is vertically provided with a main injection nozzle, the lower end of the flow distribution plate is uniformly provided with a plurality of hot nozzle components which are vertically arranged around the main injection nozzle, each hot nozzle component comprises a hot nozzle body, a hot nozzle core and a glue outlet nozzle, a flow passage is vertically arranged in the hot nozzle body, an inner groove is arranged at the lower end opening of the flow passage at the lower part of the hot nozzle body, the inner groove is internally threaded with a glue outlet nozzle, the inner groove is internally provided with a hot nozzle core, the lower end of the hot nozzle core is inserted into the glue outlet nozzle, the hot nozzle core is internally provided with a vertical through hole, the upper end of the vertical through hole is butted with the flow channel, the lower part of the hot nozzle core is conical, an inclined hole connected with the lower end of the vertical through hole is formed in the side wall of the lower part of the hot nozzle core, and a channel for connecting the main nozzle and the flow channel is arranged in the flow distribution plate.

As right technical scheme a supplement, vertical through-hole upper end opening be the round platform hole, the aperture in this round platform hole from top to bottom diminishes gradually, round platform hole upper end and runner down port butt joint.

As right technical scheme a supplement, the main lower part of penetrating the mouth and the upper portion of hot mouth body all install heating sleeve, the heat-generating body has been arranged to this heating sleeve inside spiral.

As right technical scheme a supplement, the upper portion of play jiao zui in open and to have heat supply mouth core male cavity, the circular cone hole that has intercommunication cavity bottom is seted up to the lower part of this play jiao zui, the aperture of circular cone hole from top to bottom grow gradually.

As a supplement to the technical solution of the present invention, the upper end of the splitter plate surrounds the main nozzle and is uniformly provided with a plurality of cushion blocks.

As right technical scheme a supplement, hot mouth core upper portion arranged the round step, play gluey mouth upper end withstand the step.

Has the advantages that: the utility model relates to a gating system for communication relay bottom plate injection mold, the plastic fluid in the hot nozzle body is originally vertical and direct-flushing downwards, after the flow direction of the vertical through hole and the inclined hole of the hot nozzle core is changed, the impact force of the plastic fluid can be effectively slowed down, and finally, the plastic fluid smoothly flows out from the glue outlet nozzle; the hot nozzle core belongs to a quick-wear part and needs to be replaced frequently, the hot nozzle core can be taken out only by screwing the glue outlet nozzle out of the inner groove, a new hot nozzle core is replaced, and the glue outlet nozzle is screwed so that the upper end of the glue outlet nozzle is matched with the top of the inner groove to clamp and fix the hot nozzle core; heating sleeves are installed on the lower portion of the main injection nozzle and the upper portion of the hot nozzle body, heating bodies are spirally arranged inside the heating sleeves, the heating bodies heat plastic fluid, the temperature of the plastic fluid can be effectively kept, and the qualification rate of products is greatly improved. The utility model discloses an even pouring die cavity of hot mouth subassembly of a plurality of, work efficiency is high, and the pouring is even, and the equilibrium stability is better.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a hot nozzle assembly according to the present invention;

fig. 3 is an enlarged view of a portion of fig. 2 according to the present invention;

fig. 4 is a schematic structural diagram of the hot nozzle core according to the present invention.

The figure is as follows: 1. the nozzle mainly penetrates, 2, the flow distribution plate, 3, the hot nozzle assembly, 4, the cushion block, 5, the heating sleeve, 6, the hot nozzle body, 7, the flow channel, 8, the hot nozzle core, 9, the glue outlet nozzle, 10, the vertical through hole, 11, the inclined hole, 12, the notch, 13, the cavity, 14, the circular table hole, 15, the heating body, 16 and the step.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

The embodiment of the utility model relates to a casting system for a communication relay bottom plate injection mold, as shown in figures 1-4, comprising a splitter plate 2, a main nozzle 1 is vertically installed in the middle of the upper end of the splitter plate 2, a plurality of vertically arranged hot nozzle components 3 are evenly installed at the lower end of the splitter plate 2 around the main nozzle 1, the hot nozzle components 3 comprise a hot nozzle body 6, a hot nozzle core 8 and a glue outlet nozzle 9, a runner 7 is vertically arranged in the hot nozzle body 6, an inner groove is arranged at the lower end of the runner 7 at the lower part of the hot nozzle body 6, the inner groove is internally connected with the glue outlet nozzle 9, the inner groove is internally provided with the hot nozzle core 8, the lower end of the hot nozzle core 8 is inserted into the glue outlet nozzle 9, a vertical through hole 10 is arranged in the hot nozzle core 8, the upper end of the vertical through hole 10 is butted with the runner 7, the lower part of the hot nozzle core 8 is conical, and an inclined hole 11 connected with the lower end of the vertical through hole 10 is arranged on the side wall of the lower part, and a channel for connecting the main nozzle 1 and the flow channel 7 is arranged in the flow distribution plate 2. The hot nozzle body 6 is fixed with the flow distribution plate 2 through screws.

The plastic fluid enters from the main injection nozzle 1 and uniformly flows to the plurality of hot nozzle assemblies 3 along the branched channels, enters into a cavity 12 of the glue outlet nozzle 9 through the flow channel 7, the vertical through hole 10 and the inclined hole 11 in sequence, and finally flows out from a conical hole 13 at the bottom of the cavity 12. The plastic fluid in the hot nozzle body 6 is originally vertically and downwards directly flushed, and after the flow direction of the plastic fluid is changed through the vertical through hole 10 and the inclined hole 11 of the hot nozzle core 8, the impact force of the plastic fluid can be effectively reduced, and finally the plastic fluid smoothly flows out of the glue outlet nozzle 9; the hot nozzle core 8 belongs to a quick-wear part and needs to be replaced frequently, the hot nozzle core 8 can be taken out only by screwing the glue outlet nozzle 9 out of the inner groove, a new hot nozzle core 8 is replaced, and the glue outlet nozzle 9 is screwed, so that the upper end of the glue outlet nozzle 9 is matched with the top of the inner groove to clamp and fix the hot nozzle core 8; heating sleeve 5 is installed on the lower part of main nozzle 1 and the upper part of hot nozzle body 6, and heat-generating body 15 has been arranged to the inside spiral of heating sleeve 5, and heat-generating body 15 heats the plastic fluid, can effectively keep the fluidic temperature of plastics, improves the qualification rate of product greatly. Through the even pouring die cavity of a plurality of hot mouth subassembly 3, work efficiency is high, and the pouring is even, and the equilibrium stability is better.

The upper end opening of the vertical through hole 10 is a circular truncated cone hole 14, the aperture of the circular truncated cone hole 14 gradually decreases from top to bottom, and the upper end of the circular truncated cone hole 14 is in butt joint with the lower end opening of the flow channel 7.

The lower part of the main nozzle 1 and the upper part of the hot nozzle body 6 are both provided with a heating sleeve 5, a heating body 15 is spirally arranged in the heating sleeve 5, and the heating body 15 can be a heating wire.

A cavity 12 into which the heat supply nozzle core 8 is inserted is arranged in the upper part of the glue outlet nozzle 9, a conical hole 13 communicated with the bottom of the cavity 12 is arranged in the lower part of the glue outlet nozzle 9, and the aperture of the conical hole 13 is gradually enlarged from top to bottom.

The upper end of the splitter plate 2 is uniformly provided with a plurality of cushion blocks 4 around the main nozzle 1, and the cushion blocks 4 are convenient for the splitter plate 2 to be installed and compressed.

A circle of steps 16 are arranged at the upper part of the hot nozzle core 8, and the upper end of the glue outlet nozzle 9 is propped against the steps 16.

Claims

1. The utility model provides a gating system for communication relay bottom plate injection mold which characterized in that: the hot nozzle comprises a flow distribution plate (2), a main nozzle (1) is vertically installed in the middle of the upper end of the flow distribution plate (2), a plurality of hot nozzle assemblies (3) which are vertically arranged are evenly installed at the lower end of the flow distribution plate (2) around the main nozzle (1), each hot nozzle assembly (3) comprises a hot nozzle body (6), a hot nozzle core (8) and a glue outlet nozzle (9), a flow channel (7) is vertically formed in each hot nozzle body (6), the lower portion of each hot nozzle body (6) is located at the lower end of the corresponding flow channel (7) and is provided with an inner groove, the inner groove is in threaded connection with the glue outlet nozzle (9), the hot nozzle core (8) is installed in the inner groove, the lower end of the hot nozzle core (8) is inserted into the glue outlet nozzle (9), a vertical hole (10) is formed in each hot nozzle core (8), the upper end of each vertical through hole (10) is in butt joint with the corresponding flow channel (7), the lower portion of each hot nozzle core (8) is conical, and an inclined hole (11) connected with the lower end of the corresponding ) And a channel for connecting the main injection nozzle (1) and the flow channel (7) is arranged in the flow distribution plate (2).

2. The pouring system for the injection mold of the communication relay base plate as claimed in claim 1, wherein: the opening at the upper end of the vertical through hole (10) is a circular truncated cone hole (14), the aperture of the circular truncated cone hole (14) is gradually reduced from top to bottom, and the upper end of the circular truncated cone hole (14) is in butt joint with the lower port of the flow channel (7).

3. The pouring system for the injection mold of the communication relay base plate as claimed in claim 1, wherein: the lower part of the main nozzle (1) and the upper part of the hot nozzle body (6) are both provided with a heating sleeve (5), and a heating body (15) is spirally arranged in the heating sleeve (5).

4. The pouring system for the injection mold of the communication relay base plate as claimed in claim 1, wherein: the upper part of the glue outlet nozzle (9) is internally provided with a cavity (12) into which the heat supply nozzle core (8) is inserted, the lower part of the glue outlet nozzle (9) is internally provided with a conical hole (13) communicated with the bottom of the cavity (12), and the aperture of the conical hole (13) is gradually enlarged from top to bottom.

5. The pouring system for the injection mold of the communication relay base plate as claimed in claim 1, wherein: the upper end of the flow distribution plate (2) is uniformly provided with a plurality of cushion blocks (4) around the main injection nozzle (1).

6. The pouring system for the injection mold of the communication relay base plate as claimed in claim 1, wherein: a circle of steps (16) are arranged at the upper part of the hot nozzle core (8), and the upper end of the glue outlet nozzle (9) is propped against the steps (16).