CN209920451U

CN209920451U - Nozzle core structure

Info

Publication number: CN209920451U
Application number: CN201920517644.6U
Authority: CN
Inventors: 黄伟君; 黄文军
Original assignee: Xiamen Road Hot Runner Technology Co Ltd
Current assignee: Xiamen Daoshun Technology Co.,Ltd.
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-10
Anticipated expiration: 2029-04-17

Abstract

The utility model discloses a nozzle core structure, which comprises a body, wherein a flow passage is arranged in the body; the flow channel is provided with a feeding end and a discharging end; the flow passages comprise a first flow passage, a second flow passage, a third flow passage and a fourth flow passage; the second flow channel, the third flow channel and the fourth flow channel are communicated with one end of the first flow channel; the second flow channel, the third flow channel and the fourth flow channel are arranged in a circumferential array; the body comprises a first component section, a second component section, a third component section and a fourth component section; the first flow channel is arranged on the first composition section, the second composition section and the third composition section; the second flow channel, the third flow channel and the fourth flow channel are all arranged on the third group segment and the fourth group segment. The utility model discloses simple structure, reasonable in design improves the life-span under the condition of guaranteeing even ejection of compact, improves the product percent of pass especially.

Description

Nozzle core structure

Technical Field

The utility model relates to a hot runner technical equipment technical field, concretely relates to chew core structure.

Background

With the continuous development of injection molding technology, hot runner systems are used more and more widely. Compared with a cold runner structure, the plastic forming device has the advantages of shortening the forming period, saving plastic raw materials, improving the product quality, saving the cost and the like. The hot runner processing technology is to ensure that the plastic in the runner and the sprue keeps a molten state by a heating method, so as to smoothly perform injection molding.

However, the existing hot nozzle core is often damaged due to abrasion, once the temperature of the hot nozzle is damaged, the hot nozzle core is difficult to transmit to the front end, cold glue is caused, the generated cold glue can block glue openings to different degrees, and the problem that the glue outlet phenomenon seriously influences production is caused.

Disclosure of Invention

The utility model provides a twelve export hot runner plate to solve the current technical problem that can't carry out a pair of many, the heat dissipation is high and difficult maintenance.

In order to solve the technical problem, the utility model provides a following technical scheme: a nozzle core structure comprises a body, wherein a flow channel is formed in the body; the flow channel is provided with a feeding end and a discharging end; the flow passages comprise a first flow passage, a second flow passage, a third flow passage and a fourth flow passage; the second flow channel, the third flow channel and the fourth flow channel are communicated with one end of the first flow channel; the second flow channel, the third flow channel and the fourth flow channel are arranged in a circumferential array; the body comprises a first component section, a second component section, a third component section and a fourth component section; the first flow channel is arranged on the first composition section, the second composition section and the third composition section; the second flow channel, the third flow channel and the fourth flow channel are all arranged on the third group segment and the fourth group segment.

Preferably, the second flow channel, the third flow channel and the fourth flow channel form included angles with the axis of the first flow channel; the included angle is beta, wherein beta is more than or equal to 10 degrees and less than or equal to 20 degrees; the calibers of the second flow channel, the third flow channel and the fourth flow channel are all D, wherein D is more than or equal to 3 and less than or equal to 4.

Preferably, a thread structure is arranged on the outer side of the first composition section; and a circular truncated cone-shaped through hole is formed in the inner side of the first assembly section.

Preferably, the third component section is a truncated cone structure; the third set of segments forms an included angle with the axis of the first flow channel; the included angle is alpha, wherein alpha is more than or equal to 25 degrees and less than or equal to 35 degrees.

Preferably, the fourth component section is a cone structure; the diameter of the large-diameter end of the circular truncated cone structure is consistent with that of the necking end of the third component section; the axes of the first flow channels of the fourth component segments are provided with included angles; the included angle is theta, wherein theta is more than or equal to 20 degrees and less than or equal to 30 degrees.

Preferably, the body is made of a molybdenum alloy.

Compared with the prior art, the utility model has the advantages of it is following:

1) the nozzle core structure can be normally produced in large batch for actual product production, meets production requirements, and reduces maintenance times and cost;

2) the service life of the hot nozzle core made of molybdenum alloy is prolonged, and the cost of accessories is reduced

3) After the gum output of the nozzle core structure is consistent, the consistency of products in each cavity is ensured, and the rejection rate is reduced;

4) the inner surface of the nozzle core structure is sprayed with the coating, so that the product abnormity is reduced, and the product percent of pass is improved.

Drawings

Fig. 1 is a front view of an embodiment of the present invention;

fig. 2 is a bottom view of the embodiment of the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Please refer to fig. 1 to fig. 2: according to the utility model discloses an embodiment provides a chew core structure. The chewing core comprises a body 1, wherein a flow passage is arranged in the body 1; the flow channel is provided with a feeding end and a discharging end; the flow passages comprise a first flow passage 11, a second flow passage 12, a third flow passage 13 and a fourth flow passage 14; the second flow channel 12, the third flow channel 14 and the fourth flow channel 14 are all communicated with one end of the first flow channel 11; the second flow channel 12, the third flow channel 13 and the fourth flow channel 14 are arranged in a circumferential array; the body 1 comprises a first constituent segment 15, a second constituent segment 16, a third constituent segment 17 and a fourth constituent segment 18; the first flow passage 11 is arranged on the first component section 15, the second component section 16 and the third component section 17; the second flow channel 12, the third flow channel 13 and the fourth flow channel 14 are all arranged on a third group 17 of sections and a fourth group 18 of sections.

Specifically, chewing the core in the aspect of the structure and adopting first runner 11 to flow into the back and go out glue through second runner 12, third runner 13 and fourth runner 14, it is big to go out the volume of gluing, and the current haplopore of effectual solution goes out to glue the problem that the hole is easily blockked up, and then guarantees that the work process axle goes out to glue the volume unanimously, guarantees that the product material of producing is thick even, improves product property ability. The stable glue discharging can still be ensured under the condition that different raw materials are doped in the glue in the using process, and the usability is strong.

Furthermore, the second flow passage 12, the third flow passage 13 and the fourth flow passage 14 of the present invention have included angles with the axis of the first flow passage; preferably, the included angle is beta, wherein beta is more than or equal to 10 degrees and less than or equal to 20 degrees; the calibers of the second flow channel, the third flow channel and the fourth flow channel are all D, wherein D is more than or equal to 3mm and less than or equal to 4 mm.

Further, a thread structure is arranged on the outer side of the first composition section 15; the inner side of the first component section 15 is provided with a circular truncated cone-shaped through hole.

Further, the third composition section 17 is a truncated cone structure; the third constituent segment 13 has an angle with the axis of the first flow channel 11; the included angle is alpha, wherein alpha is more than or equal to 25 degrees and less than or equal to 35 degrees.

Further, the fourth component section 18 is a cone structure; the diameter of the large diameter end of the circular truncated cone structure is consistent with that of the necking end of the third component section 17; the axis of the first flow channel 11 of the fourth component section 17 has an included angle; the included angle is theta, wherein theta is more than or equal to 20 degrees and less than or equal to 30 degrees.

In order to improve the reliability of the injection moulding operation, the body is made of a molybdenum alloy in this embodiment.

In conclusion, the utility model can be used for mass production and practical product production, and can effectively reduce maintenance times to further improve production efficiency and reduce maintenance cost on the premise of well meeting production requirements; furthermore, the core structure of the nozzle is adopted, so that the glue discharging consistency can be ensured, the consistency of products in all cavities can be ensured, and the rejection rate is reduced. Is suitable for popularization and application.

It should be finally noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, it should be understood by those skilled in the art that after reading the present specification, the technical personnel can still modify or equivalently replace the specific embodiments of the present invention, but these modifications or changes do not depart from the scope of the claims of the present application.

Claims

1. A nozzle core structure is characterized by comprising a body, wherein a flow channel is arranged in the body; the flow channel is provided with a feeding end and a discharging end; the flow passages comprise a first flow passage, a second flow passage, a third flow passage and a fourth flow passage; the second flow channel, the third flow channel and the fourth flow channel are communicated with one end of the first flow channel; the second flow channel, the third flow channel and the fourth flow channel are arranged in a circumferential array; the body comprises a first component section, a second component section, a third component section and a fourth component section; the first flow channel is arranged on the first composition section, the second composition section and the third composition section; the second flow channel, the third flow channel and the fourth flow channel are all arranged on the third group segment and the fourth group segment.

2. A chewing core structure according to claim 1, in which the second, third and fourth flow channels are angled with respect to the axis of the first flow channel; the included angle is beta, wherein beta is more than or equal to 10 degrees and less than or equal to 20 degrees; the calibers of the second flow channel, the third flow channel and the fourth flow channel are all D, wherein D is more than or equal to 3mm and less than or equal to 4 mm.

3. A nozzle core structure according to claim 1, wherein the first component section is provided with a screw thread structure on the outside; and a circular truncated cone-shaped through hole is formed in the inner side of the first assembly section.

4. A chewing core structure according to claim 1, characterised in that the third constituent segment is a truncated cone structure; the third set of segments forms an included angle with the axis of the first flow channel; the included angle is alpha, wherein alpha is more than or equal to 25 degrees and less than or equal to 35 degrees.

5. A chewing core structure according to claim 1, characterised in that the fourth constituent segment is a truncated cone structure; the diameter of the large-diameter end of the circular truncated cone structure is consistent with that of the necking end of the third component section; the axes of the first flow channels of the fourth component segments are provided with included angles; the included angle is theta, wherein theta is more than or equal to 20 degrees and less than or equal to 30 degrees.

6. A nozzle core structure according to claim 1, wherein the body is made of a molybdenum alloy.