CN210733122U

CN210733122U - Integral hot runner

Info

Publication number: CN210733122U
Application number: CN201921417053.8U
Authority: CN
Inventors: 吴军平
Original assignee: SHENZHEN LIANHE HOT RUNNER SYSTEM CO Ltd
Current assignee: SHENZHEN LIANHE HOT RUNNER SYSTEM CO Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-12
Anticipated expiration: 2029-08-29

Abstract

The utility model belongs to the technical field of the hot runner, especially, relate to an integral hot runner, the utility model discloses an integral hot runner, through setting up the hot runner body, and set up the die cavity in the hot runner body, and the transmission assembly directly communicates with the die cavity, just can flow to the die cavity directly with the hot glue in the external storage device, and do not need to pass through and change the cold runner by the hot runner, on the one hand, prevent the problem such as jam that the hot glue cooling leads to; on the other hand, the length of the flowing path of the hot glue is reduced, the efficiency of the hot glue flowing to the hot nozzle is effectively improved, and the forming period can be accelerated. In addition, the valve needle can be plugged by the valve needle when the valve needle sleeve moves to correspond to the position of the valve needle by arranging the driving assembly to be connected with the valve needle sleeve and enabling the valve needle sleeve to reciprocate through the driving assembly.

Description

Integral hot runner

Technical Field

The utility model belongs to the technical field of the hot runner, especially, relate to an integral hot runner.

Background

At present, aiming at the injection molding of a hot runner of a large injection molded product, the adopted integral hot runner is used for injecting glue from a hot runner cold runner of the product with the inclined plane. The hot runner structure of the type has the defects that a cold runner enters glue when the hot nozzle is used for injection molding, so that the injection molding pressure is increased, the raw material waste is increased, the glue inlet point of a product is not attractive, and the injection molding period is prolonged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integral hot runner aims at solving the integral hot runner among the prior art and advances the technical problem that can increase injection pressure when gluing.

In order to achieve the above object, the utility model adopts the following technical scheme: the integral hot runner comprises a hot runner body, wherein a cavity is formed in the hot runner body, a valve needle assembly, a driving assembly connected with the valve needle assembly, a hot nozzle arranged at the end part of the hot runner body and communicated with the cavity, and a transmission assembly communicated with the cavity are arranged in the cavity, the transmission assembly is arranged at the side part of the hot runner body, the valve needle assembly comprises a valve needle sleeve connected with the driving assembly and a valve needle connected with the valve needle sleeve, and the driving assembly can drive the valve needle sleeve to reciprocate.

Further, the transmission assembly is connected with the hot runner body in a relatively inclined manner, and the inclined direction of the transmission assembly is inclined towards the direction of the valve needle sleeve.

Further, a heating assembly for heating is arranged on the outer side of the hot runner body, and the heating assembly is arranged at the projection of the valve needle on the hot runner body.

Further, the integrated hot runner further includes a control system electrically connected to the drive assembly, the heating assembly, and the transport assembly.

Further, a sprue bush for fixing the hot nozzle is arranged on the outer side of the hot nozzle, and the valve needle penetrates through the sprue bush and the hot nozzle.

Further, the driving assembly is an oil cylinder, and the valve needle sleeve is connected with an output shaft of the oil cylinder.

Further, one end of the transmission assembly is communicated with the cavity, and an adapter communicated with an external storage device is arranged at the other end of the cavity.

The utility model has the advantages that: the integral hot runner of the utility model, through setting up the hot runner body, and offer the die cavity in the hot runner body, and the transmission assembly communicates with die cavity directly, can flow to the die cavity directly the hot glue in the external storage device, and does not need to pass through and change the cold runner by the hot runner, on the one hand, prevent the problem such as jam that the hot glue cooling leads to; on the other hand, the length of the flowing path of the hot glue is reduced, the efficiency of the hot glue flowing to the hot nozzle is effectively improved, and the forming period can be accelerated. In addition, the valve needle can be plugged by the valve needle when the valve needle sleeve moves to correspond to the position of the valve needle by arranging the driving assembly to be connected with the valve needle sleeve and enabling the valve needle sleeve to reciprocate through the driving assembly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of an integral hot runner according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-hot runner body;

11-a die cavity; 12-a valve needle assembly; 121-valve needle;

122-valve needle sleeve; 13-a drive assembly; 14-hot nozzle;

15-a transport assembly; 16-a sprue bush; 20-a heating assembly;

30-adapter.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1 are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, the embodiment of the present invention provides an integral hot runner, including hot runner body 10, cavity 11 has been seted up to hot runner body 10, be equipped with valve needle assembly 12 in the cavity 11, drive assembly 13 connected with valve needle assembly 12, locate hot runner body 10's tip and with the hot mouth 14 of cavity 11 intercommunication, and the transmission assembly 15 who communicates with cavity 11, valve needle assembly 12 includes the valve needle cover 122 of being connected with drive assembly 13 and the valve needle 121 of being connected with valve needle cover 122, drive assembly 13 can drive valve needle cover 122 reciprocating motion.

The integral hot runner provided by the embodiment of the utility model has the advantages that by arranging the hot runner body 10, arranging the cavity 11 in the hot runner body 10 and directly communicating the transmission assembly 15 with the cavity 11, hot glue in an external storage device can directly flow to the cavity 11 without passing through a hot runner cooling runner, so that on one hand, the problems of blockage and the like caused by hot glue cooling are prevented; on the other hand, the length of the flowing path of the hot glue is reduced, the efficiency of the hot glue flowing to the hot nozzle 14 is effectively improved, and the forming period can be accelerated. In addition, by arranging the driving assembly 13 to be connected with the valve needle sleeve 122 and enabling the valve needle sleeve 122 to reciprocate through the driving assembly 13, the valve needle can block the valve needle sleeve 122 when the valve needle sleeve 122 moves to correspond to the position of the valve needle 121.

Further, as shown in fig. 1, in the present embodiment, one end of the transmission assembly 15 is communicated with the cavity 11, and the other end of the cavity 11 is provided with an adapter 30 for communicating with an external storage device. Through setting up adapter 30 for transmission assembly 15 can correspond the different outside storage device of connection size or model, makes can carry out the moulding plastics of multiple hot glue through this integral hot runner.

Further, as shown in fig. 1, in the present embodiment, a heating assembly 20 for heating is provided on the outer side of the hot runner body 10, and the heating assembly 20 is provided at the projection of the valve needle on the hot runner body 10. By arranging the heating assembly 20 and arranging the heating assembly 20 at the projection of the valve needle on the hot runner body 10, the hot glue flowing through the valve needle can be heated, thereby preventing the hot glue from cooling and avoiding the hot nozzle 14 from being blocked.

Further, as shown in fig. 1, in the present embodiment, the driving assembly 13 is a cylinder, and the needle sleeve 122 is connected to an output shaft of the cylinder. Through the arrangement of the oil cylinder, the output shaft of the oil cylinder is used as the driving assembly 13 for driving the valve needle sleeve 122 to reciprocate, so that the position of the valve needle sleeve 122 in the reciprocating motion can not deviate, and the stability of the valve needle sleeve 122 is effectively improved.

Further, as shown in fig. 1, in the present embodiment, a sprue bush 16 for fixing the hot nozzle 14 is provided on the outer side of the hot nozzle 14, and the needle 121 passes through the sprue bush 16 and the hot nozzle 14, and the hot nozzle 14 can be further fixed by the sprue bush 16.

Further, as shown in fig. 1, in the present embodiment, the integrated hot runner further includes a control system, and the control system is electrically connected to the driving assembly 13, the heating assembly 20, and the transmission assembly 15. The working states of the driving assembly 13, the heating assembly 20 and the transmission assembly 15 can be controlled by the control system, which is convenient to adjust according to the actual production conditions.

Further, as shown in fig. 1, in the present embodiment, the conveying assembly 15 is disposed obliquely to the hot runner body 10, and the oblique direction of the conveying assembly 15 is oblique toward the needle sleeve 122. The conveying assembly 15 and the hot runner body 10 are inclined, so that when the hot runner body 10 is inclined for use, the conveying assembly 15 is relatively vertical, and thus, hot glue in the conveying assembly 15 can be easily conveyed into the hot runner body 10, and the injection molding efficiency is effectively improved.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An integral hot runner, comprising a hot runner body, characterized in that: the hot runner body is provided with a cavity, a valve needle assembly, a driving assembly connected with the valve needle assembly, a hot nozzle arranged at the end part of the hot runner body and communicated with the cavity, and a transmission assembly communicated with the cavity are arranged in the cavity, the transmission assembly is arranged at the side part of the hot runner body, the valve needle assembly comprises a valve needle sleeve connected with the driving assembly and a valve needle connected with the valve needle sleeve, and the driving assembly can drive the valve needle sleeve to reciprocate.

2. The integrated hot runner according to claim 1, wherein: the transmission assembly is connected with the hot runner body in a relatively inclined mode, and the inclined direction of the transmission assembly inclines towards the direction of the valve needle sleeve.

3. The integrated hot runner according to claim 2, wherein: the outer side of the hot runner body is provided with a heating assembly for heating, and the heating assembly is arranged at the projection of the valve needle on the hot runner body.

4. The integrated hot runner according to claim 3, wherein: the integrated hot runner further includes a control system electrically connected to the drive assembly, the heating assembly, and the transport assembly.

5. The integrated hot runner according to claim 2, wherein: and a sprue bush for fixing the hot nozzle is arranged on the outer side of the hot nozzle, and the valve needle penetrates through the sprue bush and the hot nozzle.

6. The integrated hot runner according to claim 2, wherein: the driving assembly is an oil cylinder, and the valve needle sleeve is connected with an output shaft of the oil cylinder.

7. The integrated hot runner according to claim 2, wherein: one end of the transmission assembly is communicated with the cavity, and an adapter communicated with an external storage device is arranged at the other end of the cavity.