CN214820506U

CN214820506U - Structure is chewed to heat suitable for multiple temperature

Info

Publication number: CN214820506U
Application number: CN202121208931.2U
Authority: CN
Inventors: 董鹏鹏
Original assignee: Youlipu Injection Molding Technology Kunshan Co ltd
Current assignee: Youlipu Injection Molding Technology Kunshan Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-11-23
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a structure is chewed to heat suitable for multiple temperature, include chewing body, copper sheathing, uide bushing, chewing the core and chewing the head, the copper sheathing cup joints on one's body chewing, it sets up to connecting the columnar structure to chew the body, and is close to and is provided with the second grade shoulder hole on the pore wall of tip down, is first shoulder hole and second shoulder hole respectively, the uide bushing sets up downtheholely at first shoulder, chew the core setting at the lower extreme of chewing the body, it is downthehole at the second shoulder to chew the head setting, be provided with spacing dish on the uide bushing, spacing dish middle part is provided with the spliced pole. The utility model discloses a round platform form slope that sets up uide bushing upper portion sets to certain angle and can slows down the flow of sizing material for the flow of sizing material is more smooth and easy, thereby gets into the product through chewing the core, chews the core through changing different heat-resisting material, satisfies different temperature plastic material's demand, when avoiding using different materials like this, the secondary operation of mould avoids using new heat to chew in addition, has reduceed the cost.

Description

Structure is chewed to heat suitable for multiple temperature

Technical Field

The utility model relates to a hot runner heat is chewed technical field, specifically is a structure is chewed to heat suitable for multiple temperature.

Background

Hot runner nozzles are end parts of hot runner systems that deliver plastic melt delivered from a manifold to a mold cavity for injection molding into a product. Most importantly, the temperature of the front end of the hot nozzle determines whether a cold material exists at a glue opening, most of the current automobile products are divided into a middle-high part and a low-low part, so that plastic materials of the automobile products are possibly different, customers can require the same set of system to be made of different materials, the requirement on the hot runner is higher and higher, and particularly the requirement on the design of the hot nozzle of the hot runner is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure is chewed to heat suitable for multiple temperature to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a structure is chewed to heat suitable for multiple temperature, includes chews body, copper sheathing, uide bushing, chews the core and chews the head, the copper sheathing cup joints on one's body chewing, chew the body and set up to connecting the columnar structure, and be close to and be provided with the second grade shoulder hole on the pore wall of tip down, be first step hole and second step hole respectively, the uide bushing sets up in first step hole, chew the core setting at the lower extreme of chewing the body, it is downthehole at the second step to chew the head setting, be provided with spacing dish on the uide bushing, spacing dish middle part is provided with the spliced pole, the spliced pole both ends all are provided with round platform form slope, and two the big footpath end on round platform form slope all is close to spacing dish.

Preferably, the port of the inner hole wall of the mouth body, which is close to the first stepped hole, is provided with a conical surface expanding outwards, and the gradient of the conical surface is smaller than that of the truncated cone-shaped slope at the upper end of the guide sleeve.

Preferably, the nozzle core is in a connecting column shape, an inner hole wall of one end, close to the guide sleeve, of the nozzle core is also provided with a conical surface expanding outwards, and the gradient of the conical surface is smaller than a circular truncated cone-shaped slope at the lower end of the guide sleeve.

Preferably, the inner bore diameter of the lower end of the nozzle core is gradually reduced, a material guide column is arranged in the inner bore of the nozzle core, and a material guide hole is formed in the material guide column.

Preferably, the upper end of the nozzle core abuts against the limiting disc of the guide sleeve, a first limiting step is arranged on the outer circumferential surface of the middle section of the nozzle core, and the upper end of the nozzle head abuts against the first limiting step.

Preferably, the end of the first stepped hole is provided with a chamfer, and the upper end of the mouth head is also provided with a parallel chamfer.

Preferably, a second limiting step is arranged on the outer circumferential surface of the lower port of the mouth body close to the mouth head, and the outer diameter of the second limiting step is larger than the inner aperture of the lower port of the mouth body.

The utility model has the advantages as follows: the utility model discloses a setting is chewed including chewing the body, the copper sheathing, the uide bushing, chew the core and chewing the heat that the first structure of structure is formed, the realization is to the transport of plastics fuse-element, the structure on uide bushing upper portion is made certain angle and can be slowed down the flow of sizing material, make the flow of sizing material more smooth and easy, thereby get into the product through chewing the core, through the core of chewing of changing different heat-resisting material, satisfy the demand of different temperature plastic materials, when avoiding using different materials like this, the secondary operation of mould avoids using new heat in addition to chew, the cost is reduced.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

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, 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 cross-sectional view of the present invention.

Reference numerals of the above figures: the mouth body 1, the copper sheathing 2, the uide bushing 3, chew core 4, chew head 5, spacing dish 31, spliced pole 32, round platform form slope 33.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a hot nozzle structure suitable for various temperatures comprises a nozzle body 1, a copper sleeve 2, a guide sleeve 3, a nozzle core 4 and a nozzle head 5, wherein the copper sleeve 2 is sleeved on the nozzle body 1, the nozzle body 1 is arranged to be connected with a columnar structure, a second-stage stepped hole is arranged on a hole wall close to the lower end part and is respectively a first stepped hole and a second stepped hole, the guide sleeve 3 is arranged in the first stepped hole, the nozzle core 4 is arranged at the lower end of the nozzle body 1, the nozzle head 5 is arranged in the second stepped hole, a limiting disc 31 is arranged on the guide sleeve 3, a connecting column 32 is arranged in the middle of the limiting disc 31, circular truncated cone-shaped slopes 33 are arranged at two ends of the connecting column 32, the large-diameter ends of the two circular truncated cone-shaped slopes 33 are close to the limiting disc 31, the circular truncated cone-shaped slopes 33 at the upper part of the guide sleeve 3 are arranged to form an inclined angle which can slow down the flowing of rubber material, so that the flowing of the rubber material is smoother, thereby entering the product through the mouth-piece 4.

Furthermore, the port of the inner hole wall of the mouth body 1 close to the first stepped hole is provided with a conical surface expanding outwards, and the gradient of the conical surface is smaller than that of the truncated cone-shaped slope 33 at the upper end of the guide sleeve 3.

Furthermore, the nozzle core 4 is set to be in a connecting column shape, an inner hole wall of one end, close to the guide sleeve 3, of the nozzle core 4 is also provided with a conical surface which expands outwards, the gradient of the conical surface is smaller than the cone-shaped slope 33 at the lower end of the guide sleeve 3, a flow channel is formed between the two conical surfaces, and the size and the shape of the flow channel between the two conical surfaces are adjusted by adjusting the gradient of the conical surface of the nozzle core 4 and the gradient of the cone-shaped slope 33, so that the flowing flow rate of the sizing material is adjusted.

Further, the inner aperture of the lower end of the nozzle core 4 is gradually reduced, a material guide column is arranged in the inner hole of the nozzle core 4, and a material guide hole is formed in the material guide column and used for guiding the flow of the colloid.

Further, the upper end of chewing the core 4 supports and leans on the spacing dish 31 of uide bushing 3, be provided with first spacing step on chewing the outer periphery of middle section of core 4, the upper end of chewing head 5 supports and leans on first spacing step, chews core 4 demountable installation in chewing body 1, conveniently chews core 4 and changes.

Furthermore, a chamfer is arranged at the port of the first stepped hole, and a parallel chamfer is also arranged at the upper end part of the mouth head 5 to play a role in guiding.

Furthermore, a second limiting step is arranged on the outer circumferential surface of the lower port of the mouth body 1, close to the mouth head 5, the outer diameter of the second limiting step is larger than the inner aperture of the lower port of the mouth body 1, and the second limiting step can abut against the lower end of the mouth body 1 to play a limiting role.

The working principle is as follows: the upper end of the nozzle body 1 is connected to a glue outlet of the hot runner device, the glue flows downwards along an inner hole of the nozzle body 1, when the glue flows through the guide sleeve 3, a flow channel formed by a conical surface, expanded outwards, of the inner hole wall of the nozzle core 4 and a circular truncated cone-shaped slope 33 at the upper end of the guide sleeve 3 slows down the flow speed of the glue, so that the glue flows more smoothly, and the glue continues to flow downwards and flows to a product from a material guide hole in a material guide column of the nozzle core 4.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the protection scope of the present invention.

Claims

1. The utility model provides a structure is chewed to heat suitable for multiple temperature, includes chewing body (1), copper sheathing (2), uide bushing (3), chews core (4) and chews head (5), its characterized in that: copper sheathing (2) cup joint on chewing body (1), chew body (1) and set up to connecting the columnar structure, and be close to and be provided with the second grade shoulder hole on the pore wall of tip down, be first shoulder hole and second shoulder hole respectively, uide bushing (3) set up in first shoulder hole, chew core (4) and set up the lower extreme chewing body (1), it sets up in the second shoulder hole to chew head (5), be provided with spacing dish (31) on uide bushing (3), spacing dish (31) middle part is provided with spliced pole (32), spliced pole (32) both ends all are provided with round platform form slope (33), and two the major diameter end of round platform form slope (33) all is close to spacing dish (31).

2. A hot nozzle structure suitable for use at a plurality of temperatures, according to claim 1, wherein: the port of the inner hole wall of the mouth body (1) close to the first stepped hole is provided with a conical surface expanding outwards, and the gradient of the conical surface is smaller than that of a round table-shaped slope (33) at the upper end of the guide sleeve (3).

3. A hot nozzle structure suitable for use at a plurality of temperatures according to claim 2, wherein: the mouth core (4) is arranged to be in a connection column shape, an inner hole wall of one end, close to the guide sleeve (3), of the mouth core (4) is also provided with a conical surface expanding outwards, and the gradient of the conical surface is smaller than a circular truncated cone-shaped slope (33) at the lower end of the guide sleeve (3).

4. A hot nozzle structure suitable for use at a plurality of temperatures, according to claim 1, wherein: the inner aperture of the lower end of the nozzle core (4) is gradually reduced, a material guide column is arranged in the inner hole of the nozzle core (4), and a material guide hole is formed in the material guide column.

5. A hot nozzle structure suitable for use at a plurality of temperatures, according to claim 1, wherein: the upper end of the chewing core (4) is abutted against the limiting disc (31) of the guide sleeve (3), a first limiting step is arranged on the outer circumferential surface of the middle section of the chewing core (4), and the upper end of the chewing head (5) is abutted against the first limiting step.

6. A hot nozzle structure suitable for use at a plurality of temperatures, according to claim 1, wherein: the port of the first stepped hole is provided with a chamfer, and the upper end part of the mouth head (5) is also provided with a parallel chamfer.

7. A hot nozzle structure suitable for use at a plurality of temperatures, according to claim 1, wherein: the outer circumferential surface of the lower port of the mouth body (1) close to the mouth head (5) is provided with a second limiting step, and the outer diameter of the second limiting step is larger than the inner aperture of the lower port of the mouth body (1).