Micro injection molding structure without hot nozzle heating

Abstract

The micro injection molding structure without hot nozzle heating comprises a splitter plate, the splitter plate comprises a diffusion welding splitter plate main body, the diffusion welding splitter plate main body is provided with a diffusion welding runner used as a small-spacing runner, the diffusion welding runner is communicated with a pouring gate, and the pouring gate is matched with a nozzle core module for use; a heating wire is arranged on the diffusion welding splitter plate main body to form a self-heating splitter plate structure, and the splitter plate structure is matched with the nozzle core module to form a micro injection molding structure without a conventional hot nozzle heating structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding technology and injection molding mould, specifically, it shows a kind of micro injection molding structure of no hot nozzle heating. BACKGROUND

[0002] At present, hot runner system is more and more popular in mold application, various products are developing to hot runner mold. With the vigorous development of micro-nano technology, the demand for miniaturization and precision products is increasing, the concept of "micro" has penetrated into various industries, at this time, the conventional hot runner needle valve system uses hot nozzle heating mode, point arrangement is large, and small spacing arrangement cannot be achieved.

[0003] Therefore, it is necessary to provide a kind of micro injection molding structure of no hot nozzle heating to solve the above problems. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of micro injection molding structure of no hot nozzle heating.

[0005] A kind of micro injection molding structure of no hot nozzle heating, it is characterized by including shunt plate, shunt plate includes diffusion welding shunt plate main body, diffusion welding shunt plate main body is provided with diffusion welding runner for small spacing runner, diffusion welding runner is communicated with sprue, sprue is used with nozzle core module;Diffusion welding shunt plate main body is provided with heating wire, forms self-heating shunt plate structure, shunt plate structure cooperates with nozzle core module, forms the micro injection molding structure of no conventional hot nozzle heating structure.

[0006] Further, valve sleeve groove is provided on the shunt plate corresponding to diffusion welding shunt plate main body, valve sleeve and valve needle are arranged in valve sleeve groove.

[0007] Further, nozzle core module includes nozzle core, nozzle core is provided with nozzle core runner correspondingly.

[0008] Further, diffusion welding runner is communicated with nozzle core runner, and nozzle core runner is communicated with sprue.

[0009] Further, shunt plate cooperates with mold core, and mold core includes mold core sprue for cooperating with nozzle core.

[0010] Further, shunt plate is provided with heat insulation plate correspondingly.

[0011] Further, heat insulation plate is composed of titanium alloy material.

[0012] Compared with prior art, the micro injection molding structure of no conventional hot nozzle heating structure is used, the extremely small spacing hot runner is realized, the limitation of product spacing is optimized, and the demand of smaller and more hole products injection molding can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1It is a structural schematic diagram of the utility model.

[0014] Fig. 2 It is a structural schematic diagram of the diffusion welding shunt plate main body. DETAILED DESCRIPTION

[0015] Embodiment:

[0016] Referring to Figs. 1-2 The embodiment shows a micro injection molding structure without a hot nozzle heating, comprising a shunt plate 1, the shunt plate 1 comprises a diffusion welding shunt plate main body 15, the diffusion welding shunt plate main body 15 is provided with a diffusion welding runner 14 used as a small pitch runner, the diffusion welding runner 14 is communicated with a sprue, and the sprue is used in cooperation with a nozzle core module; the diffusion welding shunt plate main body 15 is provided with a heating wire 12, forming a self-heating shunt plate structure, the shunt plate structure is used in cooperation with the nozzle core module, forming a micro injection molding structure without a conventional hot nozzle heating structure.

[0017] The shunt plate 1 is provided with a valve sleeve groove 11 corresponding to the diffusion welding shunt plate main body 15, and the valve sleeve groove 11 is provided with a valve sleeve and a valve needle 2.

[0018] The nozzle core module comprises a nozzle core 3, and the nozzle core 3 is provided with a nozzle core runner 31 correspondingly.

[0019] The diffusion welding runner 14 is communicated with the nozzle core runner 31, and the nozzle core runner 31 is communicated with the sprue.

[0020] The shunt plate 1 is used in cooperation with a mold core 5, and the mold core 5 comprises a mold core sprue 51 used in cooperation with a hot nozzle.

[0021] The shunt plate 1 is provided with a heat insulation plate 4 correspondingly.

[0022] The heat insulation plate 4 is composed of titanium alloy material.

[0023] Compared with the prior art, the micro injection molding structure without a conventional hot nozzle heating structure is used, so that the extremely small pitch hot runner is realized, the limitation of product pitch is optimized, and the demand for injection molding of smaller and more hole products can be realized.

[0024] The above only describes some embodiments of the utility model. For ordinary skilled persons in the art, without departing from the creative concept of the utility model, a plurality of modifications and improvements can be made, and these all belong to the protection scope of the utility model.

Claims

1. A hot-rod free microinjection molded structure, characterized by: The shunt plate comprises a diffusion welding shunt plate body, and a diffusion welding flow channel used as a small-spacing flow channel is arranged on the diffusion welding shunt plate body, the diffusion welding flow channel is communicated with an outlet gate, and the outlet gate is used in cooperation with a nozzle core module; heating wires are arranged on the diffusion welding shunt plate body to form a self-heating shunt plate structure, the shunt plate structure cooperates with the nozzle core module to form a micro-injection structure without a conventional hot nozzle heating structure.

2. A microinjection molded structure without hot-runner nozzle according to claim 1, characterized in that: A valve sleeve groove is arranged on the shunt plate corresponding to the diffusion welding shunt plate body, and a valve sleeve and a valve needle are arranged in the valve sleeve groove.

3. A hot-rod free heated microinjection molded structure according to claim 2, wherein: The nozzle core module comprises a nozzle core, and the nozzle core is correspondingly provided with a nozzle core flow channel.

4. A microinjection molding structure without a hot nozzle according to claim 3, characterized in that: The diffusion welding flow channel is communicated with the nozzle core flow channel, and the nozzle core flow channel is communicated with the outlet gate.

5. A microinjection molding structure without a hot nozzle according to claim 4, characterized in that: The shunt plate is used in cooperation with a mold pin, and the mold pin comprises a mold pin gate used in cooperation with the nozzle core.

6. A hot-rod free heated microinjection molded structure according to claim 5, wherein: The shunt plate is correspondingly provided with a heat insulation plate.

7. A hot-rod free heated microinjection molded structure according to claim 6, wherein: The heat insulation plate is made of titanium alloy.

Images