CN209955202U

CN209955202U - Hot nozzle and hot runner system

Info

Publication number: CN209955202U
Application number: CN201821402922.5U
Authority: CN
Inventors: 董鹏鹏
Original assignee: Mai Shidefu Science And Technology Co Ltd Of Shenzhen
Current assignee: Mai Shidefu Science And Technology Co Ltd Of Shenzhen
Priority date: 2018-08-29
Filing date: 2018-08-29
Publication date: 2020-01-17
Anticipated expiration: 2028-08-29

Abstract

The utility model discloses a hot mouth and hot runner system, hot mouth include the mouth body and locate the mouth core of mouth body one end, and the mouth body includes that the mouth body that one end is connected with the mouth core locates the screens boss of the mouth body other end with protruding, and the mouth body is the platykurtic, separates between the mouth body that two relative lateral surfaces respectively concave be equipped with be used for dodging the groove of dodging of two metalworks on the mould respectively. The utility model discloses well mouth body is the platykurtic, separate between the mouth body respectively concave two relative lateral surfaces to be equipped with and be used for dodging the groove of dodging of two metalworks on the mould respectively, can stretch into the mouth body on the hot mouth between two metalworks on the mould, the mouth body inserts from between two metalworks, two metalworks are inserted respectively and are arranged in two and dodge the inslot, mouth body butt advances gluey in order to advance the mould on the mould surface, the glue solution is no longer advanced gluey from the cold runner, thereby the gluey raw materials of advancing have been practiced thrift, the manufacturing cost of product has been reduced.

Description

Hot nozzle and hot runner system

Technical Field

The utility model relates to a hot runner system technical field especially relates to a hot mouth and hot runner system.

Background

At present, in the injection molding production process, some metal parts need to be placed on a front mold before injection molding of some products (such as charger plugs), the metal parts are arranged around the glue inlet points of the products, and traditional round hot nozzles cannot be placed between the metal parts; the glue can only be made into a large water gap and then transferred to a parting surface by a section of cold runner to enter glue on the surface of a product, but the glue on the cold runners is treated as waste after the production is finished, so that the raw materials are wasted, and the product cost is high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a hot nozzle and hot runner system, which solves the problems of the prior market, some products needing to be placed with some metal pieces in a front mold before injection molding, and the traditional round hot nozzle can not be placed between the metal pieces, and the large nozzle can only be made to rotate one section of cold runner on a parting surface to glue on the product surface, thereby causing the technical problem of rubber material waste.

The utility model discloses a following technical scheme realizes:

the utility model provides a hot nozzle, include the mouth body and locate the mouth core of mouth body one end, the mouth body include one end with the mouth body that the mouth core is connected is located with protruding the screens boss of the mouth body other end, the mouth body is the platykurtic, separate between the mouth body relative two lateral surfaces respectively concave be equipped with be used for dodging respectively the groove of dodging of two metalworks on the mould.

Furthermore, the two avoidance grooves are provided with two groove bottom surfaces which are arranged oppositely, and the distance between the two groove bottom surfaces is 5 mm-10 mm.

Furthermore, the mouth body is provided with two first outer side faces which are oppositely arranged at intervals and two second outer side faces which are oppositely arranged at intervals, the two second outer side faces are respectively connected between the two first outer side faces, the first outer side faces are planes, the second outer side faces are arc faces or planes, and the two avoiding grooves are respectively arranged on the two first outer side faces.

Further, the distance between the two groove bottoms is 6.8 +/-0.1 mm.

Furthermore, the outer side surface of the nozzle body and the end surface of the nozzle body close to the nozzle core are both concavely provided with mounting grooves for mounting heating rings.

Furthermore, a first flow channel is arranged on the nozzle body along the axial direction of the nozzle body, a second flow channel which forms an included angle with the first flow channel is further arranged on the nozzle core along the axial direction of the nozzle core, and the first flow channel is communicated with the second flow channel to form a glue inlet channel for glue stock circulation.

The utility model also provides a hot runner system, include as above-mentioned hot mouth and install in heat ring on the mouth body.

Furthermore, the hot runner system also comprises a positioning ring, wherein the positioning ring is sleeved on the nozzle body and is connected with the clamping boss.

Furthermore, the hot runner system also comprises an anti-rotation pin, one end of which is used for being installed on the mold, and the other end of the anti-rotation pin penetrates through the positioning ring.

Furthermore, the hot runner system also comprises a nozzle head sleeved on the nozzle core, an outflow port for rubber material outflow is arranged at the end part, far away from the nozzle body, of the nozzle core, one end of the nozzle head is abutted against the nozzle body, and the other end of the nozzle head is positioned above the outflow port.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses well mouth body is the platykurtic, separate between the mouth body respectively concave two relative lateral surfaces to be equipped with and be used for dodging the groove of dodging of two metalworks on the mould respectively, can stretch into the mouth body on the hot mouth between two metalworks on the mould, the mouth body inserts from between two metalworks, two metalworks are inserted respectively and are arranged in two and dodge the inslot, mouth body butt advances gluey in order to advance the mould on the mould surface, the glue solution is no longer advanced gluey from the cold runner, thereby the gluey raw materials of advancing have been practiced thrift, the manufacturing cost of product has been reduced.

Drawings

FIG. 1 is a schematic structural view of a hot nozzle according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of the hot runner system of an embodiment of the present invention installed in a mold at an angle;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a cross-sectional view of the hot runner system of an embodiment of the present invention installed at yet another angle in a mold.

In the figure:

10. a mouth body; 11. a mouth body; 111. a first outer side; 1111. an avoidance groove; 1112. the bottom surface of the groove; 112. A second outer side; 113. mounting grooves; 114. a first flow passage; 12. a clamping boss; 20. a mouth core; 21. A second flow passage; 22. an outflow port; 30. a positioning ring; 40. an anti-rotation pin; 50. a mouth head; 60. a mold; 61. A feed inlet; 70. a metal piece.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1-4, the present invention provides a hot nozzle, the hot nozzle includes a nozzle body 10 and a nozzle core 20, the nozzle core 20 is disposed at one end of the nozzle body 10, the nozzle body 10 includes a nozzle body 11 and a clamping boss 12, one end of the nozzle body 11 is connected to the nozzle core 20, the clamping boss 12 is disposed at the other end of the nozzle body 11 in a protruding manner, the clamping boss 12 is used for abutting against a positioning ring 30, the nozzle body 11 is flat, two outer side surfaces of the nozzle body 11 opposite to each other are respectively recessed with a avoiding groove 1111, the two avoiding grooves 1111 are used for respectively avoiding two metal pieces 70 on a mold 60, so that the nozzle body 11 on the hot nozzle can be inserted between the two metal pieces 70 on the mold 60, the nozzle body 11 can be inserted between the two metal pieces 70, the two metal pieces 70 can be respectively inserted into the two avoiding grooves 1111, the nozzle body 11 directly abuts against the surface of the mold 60 to glue the mold 60, the glue solution can not enter from a cold runner, thereby saving the glue raw material and reducing the manufacturing cost of the product.

In a preferred embodiment, the two avoiding grooves 1111 have two groove bottom surfaces 1112 arranged opposite to each other, and the distance between the two groove bottom surfaces 1112 is 5mm to 10mm, so as to facilitate the insertion of the nozzle body 11 on the hot nozzle into the two metal pieces 70 on the mold 60.

More preferably, the distance between the two groove bottom surfaces 1112 is 6.8 ± 0.1mm, so as to facilitate the insertion of the nozzle body 11 between the two metal pieces 70 on the mold 60 and abut against the surface of the mold 60.

Specifically, the nozzle body 11 has two first outer side surfaces 111 and two second outer side surfaces 112, the two first outer side surfaces 111 are disposed at an interval in an opposite manner, the two second outer side surfaces 112 are respectively connected between the two first outer side surfaces 111, the first outer side surface 111 is a plane, the second outer side surface 112 is an arc surface or a plane, in this embodiment, the second outer side surface 112 is preferably an arc surface, the two outer side surfaces opposite to each other at an interval between the nozzle body 11 are the two first outer side surfaces 111, the two avoiding grooves 1111 are respectively disposed on the two first outer side surfaces 111, and the inner side surfaces of the avoiding grooves 1111 and the first outer side surfaces 111 are in arc transition connection, so as to prevent the metal piece 70 from damaging.

In this embodiment, the outer side surface of the nozzle body 11 and the end surface of the nozzle body 11 close to the nozzle core 20 are both concavely provided with mounting grooves 113, the outer side surface includes the two first outer side surfaces 111 and the two second outer side surfaces 112, the mounting grooves 113 are used for mounting heating rings, one end of the nozzle body 11 close to the nozzle core 20 is set as the front end of the nozzle body 11, the heating rings need to be mounted to the front end of the nozzle body 11 as far as possible to ensure that the heat at the front end of the nozzle body 10 is always at a required temperature, and therefore the mounting grooves 113 need to be arranged as far as possible.

The nozzle body 11 is provided with a first flow passage 114 along the axial direction thereof, the nozzle core 20 is further provided with a second flow passage 21 which forms an included angle with the first flow passage 114 along the axial direction thereof, the first flow passage 114 is communicated with the second flow passage 21 to form a glue inlet passage, and the glue inlet passage is used for glue circulation.

The utility model also provides a hot runner system, include as above-mentioned hot mouth and install the circle of generating heat on the mouth body 11, the circle of generating heat needs to install toward the front end of the mouth body 11 as far as possible to guarantee that the heat of mouth body 10 front end is in required temperature all the time.

As a preferred embodiment, the hot runner system further includes a positioning ring 30, the positioning ring 30 is sleeved on the nozzle body 11 and abuts against the clamping bosses 12, the positioning ring 30 separates the nozzle body 10 from the mold 60, so as to prevent the nozzle body 10 from directly contacting the mold 60 and causing a lower temperature of the nozzle body 10, and the positioning ring 30 is fixedly connected with the clamping bosses 12 on the nozzle body 10 by spot welding.

In a preferred embodiment, the hot runner system further includes an anti-rotation pin 40, one end of the anti-rotation pin 40 is used for being installed on the mold 60, the other end of the anti-rotation pin 40 is inserted into the side wall of the positioning ring 30, and the anti-rotation pin 40 is used for preventing the positioning ring 30 from rotating relative to the mold 60.

The hot runner system further comprises a nozzle head 50, the nozzle head 50 is sleeved on the nozzle core 20, an outflow port 22 is arranged at the end part, far away from the nozzle body 10, of the nozzle core 20, the outflow port 22 is used for outflow of glue, one end of the nozzle head 50 abuts against the nozzle body 11, the other end of the nozzle head 50 is located above the outflow port 22, a communicating groove communicating the outflow port 22 with a feeding port 61 on the mold 60 is formed by enclosing the inner walls of the nozzle head 50 and the mold 60, and the nozzle head 50 has a sealing function and prevents the glue from flowing out of the communicating groove.

The hot runner installation steps in this embodiment are: firstly, the heating ring is embedded on the mouth body 10, then the positioning ring 30 is installed, spot welding is carried out between the mouth body 10 and the positioning ring 30 for fixation, then the mouth head 50 used for sealing glue liquid is installed, then the anti-rotating pin 40 is installed, finally, the whole hot mouth is installed in the mould 60, and the anti-rotating pin 40 is clamped on the mould 60.

To sum up, the utility model discloses well mouth body 11 is the platykurtic, separate between the mouth body 11 respectively concave be equipped with be used for dodging the groove 1111 of dodging of two metalworks 70 on the mould 60 respectively at relative two lateral surfaces, can stretch into between two metalworks 70 on the mould 60 with mouth body 11 on the hot mouth, the mouth body 11 inserts between two metalworks 70 on the mould 60, two metalworks 70 are inserted respectively and are arranged in two and dodge the groove 1111, the mouth body 11 butt is in order to advance gluey to mould 60 on the mould 60 surface, the glue solution is no longer advanced gluey from the cold runner, thereby has practiced thrift into gluey raw materials, the manufacturing cost of product has been reduced.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A hot nozzle, characterized by: the nozzle body comprises a nozzle body and a nozzle core arranged at one end of the nozzle body, the nozzle body comprises a nozzle body and a clamping boss, one end of the nozzle body is connected with the nozzle core, the clamping boss is convexly arranged at the other end of the nozzle body, the nozzle body is flat, and two outer side surfaces, opposite to each other, of the nozzle body are concavely provided with avoidance grooves used for respectively avoiding two metal pieces on a die.

2. The nozzle of claim 1, wherein the two avoiding grooves have two oppositely disposed groove bottom surfaces, and the distance between the two groove bottom surfaces is 5mm to 10 mm.

3. The hot nozzle as claimed in claim 2, wherein the nozzle body has two first outer side surfaces disposed opposite to each other at intervals and two second outer side surfaces disposed opposite to each other at intervals, the two second outer side surfaces are respectively connected between the two first outer side surfaces, the first outer side surfaces are flat surfaces, the second outer side surfaces are arc surfaces or flat surfaces, and the two avoiding grooves are respectively disposed on the two first outer side surfaces.

4. A nozzle according to claim 3, wherein the distance between two of said groove bottoms is 6.8 ± 0.1 mm.

5. The hot nozzle according to any one of claims 1 to 4, characterized in that the outer side surface of the nozzle body and the end surface of the nozzle body close to the nozzle core are both concavely provided with mounting grooves for mounting heating rings.

6. The hot nozzle according to any one of claims 1 to 4, characterized in that the nozzle body is provided with a first flow channel along the axial direction thereof, the nozzle core is further provided with a second flow channel arranged at an included angle with the first flow channel along the axial direction thereof, and the first flow channel and the second flow channel are communicated with each other and form a glue inlet channel for the circulation of glue.

7. A hot-runner system, comprising: comprising a hot nozzle according to any one of claims 1 to 6 and a heat ring mounted on the nozzle body.

8. The hot-runner system of claim 7, further comprising a retaining ring that is sleeved over the nozzle body and connected to the retaining boss.

9. The hot-runner system of claim 8, further comprising an anti-rotation pin having one end for mounting on a mold, the other end of the anti-rotation pin being disposed through the retaining ring.

10. The hot-runner system of claim 7, further comprising a nozzle tip sleeved on the nozzle core, wherein an outlet for outflow of the sizing material is provided at an end of the nozzle core away from the nozzle body, and one end of the nozzle tip abuts against the nozzle body and the other end of the nozzle tip is located above the outlet.