CN209903816U

CN209903816U - Hot runner structure of precise injection mold

Info

Publication number: CN209903816U
Application number: CN201920705476.3U
Authority: CN
Inventors: 王宏富
Original assignee: Dongguan Chuan Peng Plastics Co Ltd
Current assignee: Dongguan Chuan Peng Plastics Co Ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-01-07
Anticipated expiration: 2029-05-16

Abstract

The utility model discloses an accurate injection mold's hot runner structure, including shell and diaphragm, the top fixedly connected with fixed plate of shell to the equal fixedly connected with hot runner pipe in both sides of diaphragm inside, the equal fixedly connected with fixture block in both sides of diaphragm bottom to the draw-in groove with fixture block looks adaptation is all seted up to the both sides at fixed plate top, the equal threaded connection in both sides of fixed plate has the screw to the positive fixedly connected with cooling device of shell, cooling device include the fixed box, and the both sides of fixed box are all through connecting block fixedly connected with air-blower, and the air outlet intercommunication of air-blower has out the tuber pipe. Can carry out quick abundant cooling after the mould is moulded plastics for the cooling of mould, the time of having practiced thrift, improved the efficiency that the mould was moulded plastics, can carry out quick convenient dismantlement and installation to hot runner pipe, the staff of being convenient for clears up or maintains operations such as change hot runner pipe, extension hot runner pipe's life.

Description

Hot runner structure of precise injection mold

Technical Field

The utility model relates to an injection mold design technique especially relates to an accurate injection mold's hot runner structure.

Background

Injection molding is a method for producing and molding industrial products, and the products generally adopt rubber injection molding and plastic injection molding, and the injection molding can also be divided into injection molding and die casting methods.

Chinese patent CN 208697875U (published Japanese: 2019.04.05) discloses a hot runner structure of a precision injection mold, which comprises a fixing plate, a hot runner, a heating system and an injection molding system, wherein a vertical sprue is arranged on the fixing plate, a sprue bush is arranged at the upper end of the sprue, the sprue is connected with an external material conveying pipe, and the sprue bush plays a role in sealing and preventing leakage in the material conveying process. The upper surface of the fixed plate is provided with a switch which is communicated with an external power supply. The fixing plate is provided with a screw hole, a screw is arranged in the screw hole, the screw fixes the fixing plate and the heating system at the lower end of the fixing plate together, the heating system is provided with an injection molding system, the injection molding quality is in a controlled state, and the phenomena of deformation, warping and the like caused by non-uniform injection molding due to insufficient heating of materials are avoided.

However, after the heating sleeve and the injection molding device are provided with heat insulation, the technical scheme is difficult to realize quick and sufficient cooling after the injection molding of the mold, and is not beneficial to the maintenance operations such as quick and convenient disassembly and assembly of the hot runner pipeline by operators.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an accurate injection mold's hot runner structure to solve the hot runner structure and can't carry out quick abundant cooling after the mould is moulded plastics, and be unfavorable for operating personnel to carry out the problem of maintenance operations such as quick convenient dismantlement and installation to hot runner pipeline.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides an accurate injection mold's hot runner structure, includes shell and diaphragm, the top fixedly connected with fixed plate of shell to the equal fixedly connected with hot runner pipe in inside both sides of diaphragm, the equal fixedly connected with fixture block in both sides of diaphragm bottom to the draw-in groove with fixture block looks adaptation is all seted up to the both sides at fixed plate top, the equal threaded connection in both sides of fixed plate has the screw to the positive fixedly connected with cooling device of shell.

As the utility model discloses a preferred technical scheme, cooling device includes fixed case, the both sides of fixed case are all through connecting block fixedly connected with air-blower.

As a preferred technical scheme of the utility model, the air outlet intercommunication of air-blower has the tuber pipe to the one end that the air-blower was kept away from to the tuber pipe runs through fixed case and extends to the inside of fixed case.

As a preferred technical scheme of the utility model, the both sides at fixed roof portion all communicate there is the blowing pipe to the one end intercommunication that fixed case was kept away from to two blowing pipes has the shunt tubes.

As an optimized technical scheme of the utility model, the back of shunt tubes and the positive fixed connection of shell to the bottom intercommunication of shunt tubes surface has the shower nozzle.

As a preferred technical scheme of the utility model, the equal fixedly connected with support piece in bottom of shell both sides, hot runner pipeline's bottom runs through fixed plate and shell in proper order and extends to the bottom of shell.

As a preferred technical scheme of the utility model, hot runner pipeline's top intercommunication has the mouth of moulding plastics to fixedly connected with hot plate between the top of shell inner wall and the bottom.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

the utility model has the advantages that the air blower is arranged and blows air through the air outlet pipe, the air blowing pipe, the flow dividing pipe and the spray head, so that the air blower is favorable for rapid and sufficient cooling after the injection molding of the mold, the cooling speed of the mold is accelerated, the cooling time is saved, and the injection molding quality of the mold is improved; through unscrewing the screw, upwards pulling diaphragm drives the fixture block and extracts the draw-in groove to extract the shell with hot runner pipeline, can make things convenient for operating personnel to carry out maintenance operations such as quick convenient dismantlement and installation to hot runner pipeline like this, the staff of also being convenient for carries out daily clearance or change to hot runner pipeline, extension hot runner pipeline's life.

Drawings

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

FIG. 2 is a schematic cross-sectional view of FIG. 1;

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

fig. 4 is a schematic structural view of the cooling device in fig. 1.

Wherein: 1. a housing; 2. a transverse plate; 3. a fixing plate; 4. a hot runner conduit; 5. a clamping block; 6. a card slot; 7. a screw; 8. a cooling device; 81. a fixed box; 82. a blower; 83. an air outlet pipe; 84. a blowpipe; 85. a shunt tube; 86. a spray head; 9. a support member; 10. an injection molding port; 11. heating the plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-4, the hot runner structure of the precision injection mold provided by the present invention comprises a housing 1 and a transverse plate 2, wherein the front of the housing 1 is provided with a switch for controlling the operation of an air blower 82, the top of the housing 1 is fixedly connected with a fixing plate 3, both sides of the inside of the transverse plate 2 are fixedly connected with hot runner pipes 4, both sides of the bottom of the transverse plate 2 are fixedly connected with clamping blocks 5, both sides of the top of the fixing plate 3 are respectively provided with a clamping groove 6 adapted to the clamping block 5, both sides of the fixing plate 3 are respectively in threaded connection with a screw 7, the transverse plate 2 is pulled upwards to drive the clamping block 5 to pull out the clamping groove 6, so as to pull out the hot runner pipes 4 from the housing 1, thereby quickly and conveniently disassembling and assembling the hot runner pipes 4, facilitating the cleaning or replacing of the hot runner pipes 4 by workers, and better ensuring, and a cooling device 8 is fixedly connected to the front surface of the housing 1.

The cooling device 8 comprises a fixed box 81, wherein both sides of the fixed box 81 are fixedly connected with a blower 82 through connecting blocks, and the blower 82 is connected with an external power supply through a connecting wire.

An air outlet pipe 83 is communicated with an air outlet of the air blower 82, and one end of the air outlet pipe 83, which is far away from the air blower 82, penetrates through the fixed box 81 and extends to the inside of the fixed box 81.

Both sides of the top of the fixed box 81 are communicated with the blowing pipes 84, and one ends of the two blowing pipes 84 far away from the fixed box 81 are communicated with the shunt pipes 85.

The back of shunt tubes 85 and the front fixed connection of shell 1 to the bottom intercommunication of shunt tubes 85 surface has shower nozzle 86, and air-blower 82 blows through tuber pipe 83, blowing pipe 84, shunt tubes 85 and shower nozzle 86, carries out quick abundant cooling after the mould is moulded plastics, has accelerated the cooling of mould, has practiced thrift the time, has improved the efficiency that the mould was moulded plastics.

The bottom of both sides of the housing 1 is fixedly connected with a supporting piece 9, and the bottom of the hot runner pipeline 4 sequentially penetrates through the fixing plate 3 and the housing 1 and extends to the bottom of the housing 1.

The top intercommunication of hot runner pipeline 4 has the mouth of moulding plastics 10 to fixedly connected with hot plate 11 between the top of shell 1 inner wall and the bottom heats the material through hot plate 11, the better injection moulding of assurance material.

The specific working principle is as follows: place this structure on the mould through support piece 9, make hot plate 11 work, mould plastics through mouth 10 and hot runner pipe 4 of moulding plastics, make air-blower 82 work, air-blower 82 blows through going out tuber pipe 83, blowing pipe 84, shunt tubes 85 and shower nozzle 86, carry out quick abundant cooling after the mould is moulded plastics, when needs clear up or change hot runner pipe 4, screw 7 is twisted out, upwards stimulate diaphragm 2 and drive fixture block 5 and extract draw-in groove 6, thereby extract shell 1 with hot runner pipe 4.

The utility model discloses the beneficial effect that can reach is: the utility model discloses can carry out quick abundant cooling after the mould is moulded plastics for the cooling rate of mould, practiced thrift the cool time, improve the efficiency and the quality that the mould was moulded plastics, make things convenient for operating personnel to carry out quick convenient dismantlement and installation to hot runner pipeline, the staff of being convenient for clears up or changes the routine maintenance operation such as hot runner pipeline, extension hot runner pipeline's life.

The embodiments of the present invention are not limited to the above embodiments, and according to the contents of the above embodiments of the present invention, the above preferred embodiments can also make modifications, replacements or combinations of other forms by using conventional technical knowledge and conventional means in the field without departing from the basic technical idea of the present invention, and the obtained other embodiments all fall within the scope of the present invention.

Claims

1. The utility model provides an accurate injection mold's hot runner structure, includes shell (1) and diaphragm (2), its characterized in that, the top fixedly connected with fixed plate (3) of shell (1) to the equal fixedly connected with hot runner pipe way (4) in both sides of diaphragm (2) inside, the equal fixedly connected with fixture block (5) in both sides of diaphragm (2) bottom to draw-in groove (6) with fixture block (5) looks adaptation are all seted up to the both sides at fixed plate (3) top, the equal threaded connection in both sides of fixed plate (3) has screw (7) to the positive fixedly connected with cooling device (8) of shell (1).

2. Hot runner structure for precision injection molds according to claim 1, characterized in that the cooling device (8) comprises a stationary box (81), both sides of the stationary box (81) being fixedly connected with a blower (82) by means of a connecting block.

3. The hot runner structure of the precision injection mold according to claim 2, wherein the air outlet of the blower (82) is communicated with an air outlet pipe (83), and one end of the air outlet pipe (83) far away from the blower (82) penetrates through the fixed box (81) and extends to the inside of the fixed box (81).

4. The hot runner structure of a precision injection mold according to claim 2, wherein the two sides of the top of the fixed box (81) are communicated with the blowing pipes (84), and the ends of the two blowing pipes (84) far away from the fixed box (81) are communicated with the shunt pipes (85).

5. The hot runner structure of a precision injection mold according to claim 4, wherein the back surface of the shunt tube (85) is fixedly connected with the front surface of the housing (1), and the bottom of the outer surface of the shunt tube (85) is communicated with the spray head (86).

6. The hot runner structure of the precision injection mold according to claim 1, wherein the bottom of the two sides of the housing (1) is fixedly connected with a support (9), and the bottom of the hot runner pipe (4) sequentially penetrates through the fixing plate (3) and the housing (1) and extends to the bottom of the housing (1).

7. The hot runner structure of a precision injection mold according to claim 1, wherein the top of the hot runner pipe (4) is communicated with the injection port (10), and a heating plate (11) is fixedly connected between the top and the bottom of the inner wall of the housing (1).