CN215661578U

CN215661578U - Hot runner mold

Info

Publication number: CN215661578U
Application number: CN202121897662.5U
Authority: CN
Inventors: 董云华; 谈梅清; 佘光福
Original assignee: Dongguan Jiusheng Electronic Technology Co ltd
Current assignee: Dongguan Jiusheng Electronic Technology Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-01-28
Anticipated expiration: 2031-08-13

Abstract

The utility model relates to the technical field of dies, in particular to a hot runner die, which comprises an upper die and a lower die, wherein the upper die comprises an upper fixing plate, a water port plate and an upper die plate which are sequentially arranged from top to bottom, an injection port is formed on the upper fixing plate, a hot runner groove is formed on the top surface of the water port plate and communicated with the injection port, a hot runner flow distribution plate is arranged in the hot runner groove, a heating element is arranged on the hot runner flow distribution plate, a temperature control box is arranged on the side surface of the water port plate and connected with the heating element through a lead, a wire passing groove for the lead to extend into is formed on the top surface of the water port plate, a heat discharging groove is formed on the top surface of the water port plate, a first flow guide hole is formed on the bottom surface of the water port plate and communicated with the hot runner groove, and an upper die core is arranged on the bottom surface of the upper die plate, the structure of the utility model is compact and reasonable, through the setting of heat extraction groove, improve the radiating effect, avoid the temperature control box to be damaged when the mould temperature is higher.

Description

Hot runner mold

Technical Field

The utility model relates to the technical field of molds, in particular to a hot runner mold.

Background

The hot runner mold is a mold in which a melt in a runner is not solidified all the time by using a heating device. Because the forming period of the hot runner mold is shorter than that of the traditional mold, and raw materials are saved, the hot runner mold is widely applied to developed countries and regions of various industries in the world at present, and the temperature of the existing hot runner mold is high during working, so that the temperature control box is easily damaged.

SUMMERY OF THE UTILITY MODEL

The present invention aims to overcome the above-mentioned shortcomings and provide a technical solution to solve the above-mentioned problems.

A hot runner mold comprises an upper mold and a lower mold, wherein the upper mold comprises an upper fixing plate, a water gap plate and an upper mold plate which are sequentially arranged from top to bottom, an injection port is formed in the upper fixing plate, a hot runner groove is formed in the top surface of the water gap plate and communicated with the injection port, a hot runner flow distribution plate is arranged in the hot runner groove and provided with a heating element, a temperature control box is mounted on the side surface of the water gap plate and connected with the heating element through a lead, a wire passing groove for the lead to extend into is formed in the top surface of the water gap plate, a heat discharging groove is formed in the top surface of the water gap plate, a first flow guide hole is formed in the bottom surface of the water gap plate and communicated with the hot runner groove, an upper mold core is arranged on the bottom surface of the upper mold plate, a second flow guide hole is formed in the top surface of the upper mold plate and communicated with the upper mold core, and corresponds to the position of the first flow guide hole, the lower die is provided with a lower die core corresponding to the upper die core.

As a further scheme of the utility model: the lower die comprises a lower fixing plate, two supporting blocks which are arranged oppositely are mounted on the top surface of the lower fixing plate, a lower die plate is mounted on the top surface of each supporting block, a lower die core is mounted on the top surface of the lower die plate, an ejector plate is mounted on the top surface of the lower fixing plate, a plurality of ejector pins are mounted on the ejector plate, a plurality of first through holes for the ejector pins to extend into are formed in the bottom surface of the lower die plate, a plurality of second through holes are formed in the lower die core, and the second through holes correspond to the first through holes.

As a further scheme of the utility model: be equipped with slider assembly on the lower bolster, slider assembly's quantity is four, and four slider assembly set up respectively around lower mould benevolence, and slider assembly includes the slider, and the one side that is close to lower mould benevolence on the slider is equipped with the side core, and the bottom surface of cope match-plate pattern is equipped with the taper pin, and the shaping has the taper pin groove corresponding with the taper pin on the slider.

As a further scheme of the utility model: the top surface four corners shaping of thimble board has the support column, and the bottom surface shaping of lower bolster has the mounting hole corresponding with the support column, and the support column overcoat has the spring, and the spring pre-compaction is between thimble board and lower bolster.

As a further scheme of the utility model: the side of cope match-plate pattern is equipped with the spliced pole, is equipped with the lock mother piece on the spliced pole, and the side of lower bolster is equipped with the joint post, and the shaping has the trip that is used for with the joint post joint on the lock mother piece.

As a further scheme of the utility model: guide posts are arranged at four corners of the top surface of the lower template, and guide post holes corresponding to the guide posts are formed in the upper template.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has compact and reasonable structure, improves the heat dissipation effect by arranging the heat dissipation groove and avoids the temperature control box from being damaged when the temperature of the die is higher.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of the present invention.

FIG. 2 is a schematic view of the lower mold core of the present invention.

Fig. 3 is a schematic view of the upper mold core structure of the present invention.

In the figure: 1. the mold comprises an upper mold, 2, a lower mold, 3, an upper fixing plate, 4, a nozzle plate, 5, an upper mold plate, 6, an injection molding opening, 7, a hot runner channel, 8, a hot runner flow distribution plate, 9, a heating element, 10, a temperature control box, 11, a heat exhaust channel, 12, a first diversion hole, 13, an upper mold core, 14, a second diversion hole, 15, a lower mold core, 16, a lower fixing plate, 17, a supporting block, 18, a lower mold plate, 19, an ejector plate, 20, an ejector pin, 21, a first through hole, 22, a slider component, 23, a slider, 24, a side mold core, 25, an inclined pin, 26, an inclined pin channel, 27, a supporting column, 28, a mounting hole, 29, a spring, 30, a connecting column, 31, a lock nut block, 32, a clamping column, 33, a clamping hook, 34, a guide column, 35, a guide column hole, 36 and a line passing channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a hot runner mold includes an upper mold 1 and a lower mold 2, the upper mold 1 includes an upper fixing plate 3, a nozzle plate 4 and an upper mold plate 5, which are sequentially disposed from top to bottom, an injection port 6 is formed on the upper fixing plate 3, a hot runner groove 7 is formed on a top surface of the nozzle plate 4, the hot runner groove 7 is communicated with the injection port 6, a hot runner manifold 8 is disposed in the hot runner groove 7, a heating element 9 is disposed on the hot runner manifold 8, a temperature control box 10 is mounted on a side surface of the nozzle plate 4, the temperature control box 10 is connected to the heating element 9 through a wire, a wire passing groove 36 for the wire to extend into is formed on a top surface of the nozzle plate 4, a heat discharging groove 11 is formed on the top surface of the nozzle plate 4, a first flow guiding hole 12 is formed on a bottom surface of the nozzle plate 4, the first flow guiding hole 12 is communicated with the hot runner groove 7, an upper mold core 13 is disposed on a bottom surface of the upper mold plate 5, a second flow guiding hole 14 is formed on a top surface of the upper mold plate 5, the second flow guide holes 14 are communicated with the upper mold core 13, the positions of the second flow guide holes 14 correspond to the positions of the first flow guide holes 12, and the lower mold core 15 corresponding to the upper mold core 13 is arranged on the lower mold 2.

The lower die 2 comprises a lower fixing plate 16, two supporting blocks 17 which are oppositely arranged are mounted on the top surface of the lower fixing plate 16, a lower die plate 18 is mounted on the top surface of each supporting block 17, a lower die core 15 is mounted on the top surface of the lower die plate 18, an ejector plate 19 is mounted on the top surface of the lower fixing plate 16, a plurality of ejector pins 20 are mounted on the ejector plate 19, a plurality of first through holes 21 for the ejector pins 20 to extend into are formed in the bottom surface of the lower die plate 18, a plurality of second through holes (not marked in the figure) are formed in the lower die core 15, and the second through holes (not marked in the figure) correspond to the first through holes 21.

The lower die plate 18 is provided with four sliding block assemblies 22, the four sliding block assemblies 22 are respectively arranged around the lower die core 15, each sliding block assembly 22 comprises a sliding block 23, one side, close to the lower die core 15, of each sliding block 23 is provided with a side die core 24, the bottom surface of the upper die plate 5 is provided with an inclined pin 25, and the sliding block 23 is provided with an inclined pin groove 26 corresponding to the inclined pin 25 in a forming mode.

Supporting columns 27 are formed at four corners of the top surface of the ejector plate 19, mounting holes 28 corresponding to the supporting columns 27 are formed in the bottom surface of the lower template 18, springs 29 are sleeved outside the supporting columns 27, and the springs 29 are pre-pressed between the ejector plate 19 and the lower template 18.

The side of cope match-plate pattern 5 is equipped with spliced pole 30, is equipped with female piece 31 of lock on the spliced pole 30, and the side of lower bolster 18 is equipped with joint post 32, and the shaping has the trip 33 that is used for with joint post 32 joint on the female piece 31 of lock.

Guide posts 34 are arranged at four corners of the top surface of the lower template 18, and guide post holes 35 corresponding to the guide posts 34 are formed on the upper template 5.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims

1. A hot runner mold, comprising: comprises an upper die and a lower die, wherein the upper die comprises an upper fixing plate which is arranged from top to bottom in sequence, the injection molding device comprises a water gap plate and an upper template, wherein an injection molding opening is formed in an upper fixing plate, a hot runner groove is formed in the top surface of the water gap plate and communicated with the injection molding opening, a hot runner splitter plate is arranged in the hot runner groove, a heating element is arranged on the hot runner splitter plate, a temperature control box is mounted on the side surface of the water gap plate and connected with the heating element through a lead, a wire passing groove for a lead to extend into is formed in the top surface of the water gap plate, a heat discharging groove is formed in the top surface of the water gap plate, a first flow guide hole is formed in the bottom surface of the water gap plate and communicated with the hot runner groove, an upper mold core is arranged on the bottom surface of the upper template, a second flow guide hole is formed in the top surface of the upper template and communicated with the upper mold core, the position of the second flow guide hole corresponds to the position of the first flow guide hole, and a lower mold core corresponding to the upper mold core is arranged on the lower mold.

2. The hot-runner mold of claim 1, wherein: the lower die comprises a lower fixing plate, two supporting blocks which are arranged oppositely are mounted on the top surface of the lower fixing plate, a lower die plate is mounted on the top surface of each supporting block, a lower die core is mounted on the top surface of the lower die plate, an ejector plate is mounted on the top surface of the lower fixing plate, a plurality of ejector pins are mounted on the ejector plate, a plurality of first through holes for the ejector pins to extend into are formed in the bottom surface of the lower die plate, a plurality of second through holes are formed in the lower die core, and the second through holes correspond to the first through holes.

3. A hot-runner mold, according to claim 2, wherein: be equipped with slider assembly on the lower bolster, slider assembly's quantity is four, and four slider assembly set up respectively around lower mould benevolence, and slider assembly includes the slider, and the one side that is close to lower mould benevolence on the slider is equipped with the side core, and the bottom surface of cope match-plate pattern is equipped with the taper pin, and the shaping has the taper pin groove corresponding with the taper pin on the slider.

4. A hot-runner mold, according to claim 2, wherein: the top surface four corners shaping of thimble board has the support column, and the bottom surface shaping of lower bolster has the mounting hole corresponding with the support column, and the support column overcoat has the spring, and the spring pre-compaction is between thimble board and lower bolster.

5. A hot-runner mold, according to claim 2, wherein: the side of cope match-plate pattern is equipped with the spliced pole, is equipped with the lock mother piece on the spliced pole, and the side of lower bolster is equipped with the joint post, and the shaping has the trip that is used for with the joint post joint on the lock mother piece.

6. A hot-runner mold, according to claim 2, wherein: guide posts are arranged at four corners of the top surface of the lower template, and guide post holes corresponding to the guide posts are formed in the upper template.