CN214521663U

CN214521663U - Hot nozzle with detachable split structure for hot runner

Info

Publication number: CN214521663U
Application number: CN202121170007.XU
Authority: CN
Inventors: 田孝宾; 王新光
Original assignee: Qingdao Zhike Mould Fittings Co ltd
Current assignee: Qingdao Zhike Mould Fittings Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-10-29
Anticipated expiration: 2031-05-28

Abstract

The utility model relates to a can dismantle hot mouth of components of a whole that can function independently structure hot runner, including the hot nozzle body, the top and the hot body threaded connection of chewing of the hot nozzle body, the outside arch of hot nozzle body forms the hot nozzle base, the hot nozzle chamber of the axial intercommunication of hot nozzle chamber that the internal setting of hot nozzle chews with the heat of the hot nozzle body, set up the needle in the hot nozzle chamber, the outside of the hot nozzle body sets up the heater, the outside of heater sets up the heated board, the hot nozzle point is set up to the bottom of the hot nozzle body, the upper end spiro union of hot nozzle point sets up in the hot nozzle chamber, set up in the hot nozzle point with the watering mouth of the axial intercommunication of hot nozzle chamber. All be independent individuality between hot nozzle body, heater, heated board, hot nozzle point, needle and the radiation shield, connect through the bolt each other, the detachable design is convenient for the installation of needle, when one of them breaks down, can carry out solitary change simultaneously, need not whole modification.

Description

Hot nozzle with detachable split structure for hot runner

Technical Field

The utility model belongs to the technical field of the hot runner, especially, relate to a hot mouth of detachable split structure hot runner.

Background

At present, the injection mold generally adopted in the injection molding industry is a hot runner injection mold, and compared with a common mold, the quality of a plastic product injected by a hot runner system is higher, and the hot runner system has the advantages of saving raw materials, improving the production efficiency, improving the automation degree and the like. However, the existing hot runner and hot nozzle are integrally formed, when a fault occurs, the maintenance is troublesome, and the valve needle can only adopt a long-rod valve needle, so that the flow speed of hot glue cannot be effectively controlled.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

In order to overcome the defects, the utility model aims to provide a detachable split hot runner hot nozzle to solve the technical problem.

(II) technical scheme

In order to achieve the purpose, the technical scheme provided by the application is as follows:

the utility model provides a can dismantle hot runner hot nozzle of components of a whole that can function independently structure, includes the hot nozzle body, the top and the hot nozzle body threaded connection of hot nozzle body, the outside arch of hot nozzle body forms the hot nozzle base, the internal hot nozzle chamber that communicates with the hot nozzle chamber axial of hot nozzle body that sets up of hot nozzle, set up the needle in the hot nozzle chamber, the outside of hot nozzle body sets up the heater, the outside of heater sets up the heated board, the bottom of hot nozzle body sets up the hot nozzle point, the upper end spiro union of hot nozzle point sets up in the hot nozzle chamber, set up the runner chamber with hot nozzle chamber axial intercommunication in the hot nozzle point, the needle extends to the runner chamber and swells gradually and forms the needle end cap, the front end shrink of needle end cap forms the needle tip, the shape in runner chamber is corresponding with the shape of needle end cap and needle tip, the bottom of hot nozzle point sets up the insulating sleeve.

Preferably, the bottom of hot mouth base sets up the spread groove, the top of heater sets up the connector corresponding with the spread groove, connector and spread groove spiro union.

Preferably, the heater is arranged between the hot nozzle base and the hot nozzle tip, one end, close to the heater, of the hot nozzle tip is provided with the fixing base, the heat insulation board is provided with a fixing groove corresponding to the fixing base, and the fixing base is connected with the fixing groove through a fixing bolt.

Preferably, a heat insulation base is arranged on the hot nozzle tip and arranged at the bottom of the fixed base, a heat insulation groove corresponding to the heat insulation base is arranged on the heat insulation sleeve, and the heat insulation groove is connected with the heat insulation base through a heat insulation bolt.

Preferably, a temperature sensor is arranged in the hot nozzle tip.

Preferably, the hot tip consists of two hot tip blocks which are arranged oppositely, and the hot tip blocks are connected through bolts.

Has the advantages that:

1. all be independent individuality between hot nozzle body, heater, heated board, hot nozzle point, needle and the radiation shield, connect through the bolt each other, the detachable design is convenient for the installation of needle, when one of them breaks down, can carry out solitary change simultaneously, need not whole modification.

2. The utility model discloses a mutually support between needle and the runner chamber, the velocity of flow that can effectual regulation hot glue.

3. The utility model discloses a set up the heater and can be continuous provide the heat for the heat is glued, set up the heated board and can prevent that the heat from not running off, the heat transfer has been avoided carrying out between hot nozzle point and the template in the setting of radiation shield sleeve for the heat is glued and is in molten state all the time.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the valve needle at its uppermost configuration;

FIG. 3 is an enlarged view at A;

reference numerals:

1. the valve needle, 2. a connecting groove, 3. a connector, 4. a heat insulation board, 5. a fixing groove, 6. a fixing base, 7. a fixing bolt, 8. a temperature sensor, 9. a heat insulation sleeve, 10. a valve needle tip, 11. a valve needle plug, 12. a pouring cavity, 13. a hot nozzle cavity, 14. a hot nozzle tip, 15. a heat insulation base, 16. a heat insulation bolt, 17. a heat insulation groove, 18. a hot nozzle base, 19. a hot nozzle body and 20. a heater.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The utility model provides a can dismantle components of a whole that can function independently hot runner hot nozzle, includes hot nozzle body 19, the top and the hot nozzle body threaded connection of hot nozzle body 19 are conveniently assembled and are dismantled the maintenance, hot nozzle body 19 outwards protrudes and forms hot nozzle base 18, set up in the hot nozzle body 19 with the hot nozzle chamber 13 of the hot nozzle chamber axial intercommunication of the hot nozzle body, set up needle 1 in the hot nozzle chamber 13, the outside of hot nozzle body 19 sets up heater 20, heater 20 is the parcel form and wraps up hot nozzle body 19, can be continuous for the hot glue in the hot nozzle chamber 13 provides the heat, prevents that hot glue from solidifying owing to the temperature is low excessively, the bottom of hot nozzle base 18 sets up spread groove 2, the top of heater 20 sets up the connector 3 corresponding with spread groove 2, connector 3 and spread groove 2 spiro union, heater 20 sets up between hot nozzle base 18 and hot nozzle point 14, the outside of heater 20 sets up heated board 4, one end of the hot nozzle tip 14, which is close to the heater 20, is provided with a fixing base 6, a fixing groove 5 corresponding to the fixing base 6 is arranged on the heat insulation board 4, the fixing base 6 is connected with the fixing groove 5 through a fixing bolt 7, the heat provided by the heater can be guaranteed not to be lost by detachably arranging the heat insulation board, the working efficiency is improved, the hot nozzle tip 14 is arranged at the bottom of the hot nozzle body 19, a temperature sensor 8 is arranged in the hot nozzle tip 14, the temperature sensor timely transmits the detected temperature to a controller, and the heating power of the heater is controlled reasonably by the controller, so that the hot glue is at the most appropriate temperature.

The bottom of the hot nozzle tip 14 is provided with a heat insulation sleeve 9, the hot nozzle tip 14 is provided with a heat insulation base 15, the heat insulation base 15 is arranged at the bottom of the fixed base 6, the heat insulation sleeve 9 is provided with a heat insulation groove 17 corresponding to the heat insulation base 15, and the heat insulation groove 17 is connected with the heat insulation base 15 through a heat insulation bolt 16. The design of the heat insulation sleeve can prevent the loss of the heat of the hot nozzle tip in the process of contacting with the mold, and the hot glue is prevented from being solidified in the sprue cavity, so that the product is yellow and black.

The upper end of the hot nozzle tip 14 is arranged in the hot nozzle cavity 13 in a threaded manner, the hot nozzle tip 14 is divided into two parts which are connected through bolts, so that the valve needle plug 11 and the valve needle tip 10 can be conveniently installed, a pouring cavity 12 axially communicated with the hot nozzle cavity is arranged in the hot nozzle tip 14, the valve needle 1 extends towards the pouring cavity 12 and gradually protrudes to form the valve needle plug 11, the front end of the valve needle plug 11 is contracted to form the valve needle tip 10, and the shape of the pouring cavity 12 corresponds to the shapes of the valve needle plug 11 and the valve needle tip 10.

The hot glue of intracavity is chewed to heat is received in the mouth chamber, when need not glue the mould with heat in, the needle shifts up, and the bottom of needle end cap will water the oral cavity and be full of, prevents that hot glue from flowing in by runner cavity, when needs glue the mould with heat in, the needle end cap leaves the space with the top in runner cavity and makes hot glue flow from the space, adjusts the velocity of flow that hot glue through the size in valve needle end cap and runner cavity space.

The hot nozzle body, the heater, the heat insulation board, the hot nozzle tip, the valve needle and the heat insulation sleeve are independent individuals and are connected with one another through bolts, the valve needle can be conveniently installed through the detachable design, and meanwhile, when one of the valve needle breaks down, the valve needle can be singly replaced without being modified.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A detachable split-structure hot runner hot nozzle is characterized by comprising a hot nozzle body, wherein the top of the hot nozzle body is in threaded connection with the hot nozzle body, the hot nozzle body protrudes outwards to form a hot nozzle base, a hot nozzle cavity axially communicated with the hot nozzle cavity of the hot nozzle body is arranged in the hot nozzle body, a valve needle is arranged in the hot nozzle cavity, a heater is arranged on the outer side of the hot nozzle body, a heat insulation plate is arranged on the outer side of the heater, the bottom of the hot nozzle body is provided with a hot nozzle tip, the upper end of the hot nozzle tip is screwed in the hot nozzle cavity, a sprue cavity axially communicated with the hot nozzle cavity is arranged in the hot nozzle tip, the valve needle extends towards the sprue cavity and gradually protrudes to form a valve needle plug, the front end of the valve needle plug is contracted to form a valve needle tip, the shape of the pouring cavity corresponds to the shapes of the valve needle plug and the valve needle tip, and the bottom of the hot nozzle tip is provided with a heat insulation sleeve.

2. The detachable split-structure hot runner hot nozzle as claimed in claim 1, wherein the bottom of the hot nozzle base is provided with a connecting groove, the top of the heater is provided with a connecting head corresponding to the connecting groove, and the connecting head is screwed with the connecting groove.

3. The detachable split-structure hot runner hot nozzle according to claim 1, wherein the heater is arranged between a hot nozzle base and a hot nozzle tip, a fixing base is arranged at one end of the hot nozzle tip close to the heater, a fixing groove corresponding to the fixing base is arranged on the heat insulation plate, and the fixing base is connected with the fixing groove through a fixing bolt.

4. The hot runner hot nozzle with the detachable split structure as claimed in claim 3, wherein a heat insulation base is arranged on the hot nozzle tip, the heat insulation base is arranged at the bottom of the fixed base, a heat insulation groove corresponding to the heat insulation base is arranged on the heat insulation sleeve, and the heat insulation groove is connected with the heat insulation base through a heat insulation bolt.

5. The detachable split-structure hot runner hot nozzle as claimed in claim 1, wherein a temperature sensor is disposed in the hot nozzle tip.

6. The detachable split-structure hot runner hot nozzle as claimed in claim 1, wherein the hot nozzle tip is composed of two hot nozzle tip blocks which are oppositely arranged and connected with each other through a bolt.