CN217169559U

CN217169559U - Heat nozzle for open type hot runner system

Info

Publication number: CN217169559U
Application number: CN202220697909.7U
Authority: CN
Inventors: 吴勇; 赵巧菊
Original assignee: Suzhou Delock Hot Runner System Co ltd
Current assignee: Suzhou Delock Hot Runner System Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-08-12
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a heat nozzle for an open type hot runner system, which comprises an upper mounting seat, a connecting seat, a lower mounting seat, a positioning mechanism and a plurality of single-head heat nozzles, wherein the top wall of the upper mounting seat is provided with a plurality of first sliding holes, and the central part of the upper mounting seat is provided with a central pipe; the top wall of the connecting seat is fixedly connected with the bottom of the upper mounting seat; the top port of the lower mounting seat is sleeved at the bottom of the connecting seat in a threaded manner, and a shunting mechanism is arranged in the lower mounting seat; the structure of the positioning mechanism comprises a sliding sleeve, a screw column and a plurality of moving sleeves, wherein the sliding sleeve is sleeved at the bottom of the central tube; the screw post is rotatably connected in the central tube, and a threaded sleeve screwed on the screw post is fixedly connected with the sliding sleeve; each moving sleeve is hinged with the sliding sleeve through a pull rod; the nozzle body of each single-head hot nozzle is arranged in a movable sleeve, and the nozzle extends out of a first sliding hole. The utility model discloses conveniently adjust the position of a plurality of nozzles that bull heat was chewed.

Description

Heat nozzle for open type hot runner system

Technical Field

The utility model relates to a technical field is chewed to heat, concretely relates to heat for open hot runner system is chewed.

Background

The hot nozzle in the injection mold is a hot runner. Hot runners are a combination of heating assemblies used in injection molds to inject molten plastic into the cavity of the mold, and are typically comprised of a hot runner plate, a nozzle, a temperature controller, and auxiliary components. The hot nozzle is divided into a single-head hot nozzle and a multi-head hot nozzle, the multi-head hot nozzle is fixedly arranged by surrounding a plurality of single-head hot nozzles in a circular manner, and molten glue can be injected into a plurality of gates simultaneously. However, the position of the nozzle of the multi-head hot nozzle is not adjustable, and the universality is poor.

Accordingly, those skilled in the art have provided a hot nozzle for an open hot runner system that addresses the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a heat nozzle for an open hot runner system, which comprises an upper mounting seat, a connecting seat, a lower mounting seat, a positioning mechanism and a plurality of single-head heat nozzles, wherein the upper mounting seat is in an inverted barrel structure, a plurality of centrosymmetric first sliding holes are arranged on a top wall, a central tube is arranged at the central part of the upper mounting seat, and a third sliding hole is arranged on the bottom side wall of the central tube; the connecting seat is of a T-shaped circular tube structure, and the top wall of the connecting seat is fixedly connected with the bottom of the upper mounting seat; the lower mounting seat is of a barrel structure, a top port is sleeved at the bottom of the connecting seat in a threaded manner, and a flow distribution mechanism is arranged in the lower mounting seat; the structure of the positioning mechanism comprises a sliding sleeve, a screw column and a plurality of moving sleeves, wherein the sliding sleeve is sleeved at the bottom of the central tube; the screw column is rotatably connected in the central tube, and a threaded sleeve screwed on the screw column is fixedly connected with the sliding sleeve from a third sliding hole; the plurality of moving sleeves are arranged in the barrel groove of the upper mounting seat in a centrosymmetric manner, and each moving sleeve is hinged with the sliding sleeve through a pull rod; the nozzle body of each single-head hot nozzle is arranged in a movable sleeve, and the nozzle extends out of a first sliding hole.

Preferably: the rotary joint is characterized in that a knob is rotatably connected to the top port of the central tube, and the bottom end of the knob is fixedly connected with the top end of the screw column.

Preferably: the structure of the flow dividing mechanism comprises a guide plate, a flow dividing plate and a plurality of metal hoses, wherein the guide plate is provided with a plurality of centrosymmetric second sliding holes, each second sliding hole is connected with a first double-head connecting pipe in a sliding manner, a top end and a bottom end of each first double-head connecting pipe are respectively and fixedly communicated with a bottom end port of a nozzle body and a top end of one metal hose, and the guide plate is fixed between an upper mounting seat and a connecting seat; a second double-head connecting pipe is respectively fixed in a plurality of through holes of the flow distribution plate, the top end port of each second double-head connecting pipe is fixedly communicated with the bottom end port of a metal hose, and the flow distribution plate is fixed on the middle layer of the lower mounting seat in a sealing mode.

Preferably: the inner cavity of the lower mounting seat below the flow distribution plate is a main cavity, and a pipe orifice arranged in a central through hole of the main cavity is an inlet.

Preferably: and a heating module is arranged between the guide plate and the flow distribution plate.

The utility model discloses a technological effect and advantage:

1. the utility model discloses set up positioning mechanism, rotate through knob control screw post for the sliding sleeve drives the pull rod and rotates downwards or upwards, thereby to the inboard pulling and remove the cover, or outside promotion removes the cover, makes the nozzle that the single-end heat was chewed outwards or slide to the inboard along a slide opening, conveniently adjusts the nozzle position.

2. The utility model discloses set up reposition of redundant personnel mechanism, conveniently connect mobilizable double-end connecting pipe and fixed double-end connecting pipe No. two through metal collapsible tube, give the direction of double-end connecting pipe No. one through the deflector, conveniently remove cover horizontal displacement.

Drawings

FIG. 1 is a schematic diagram of the structure of a hot nozzle for an open hot runner system according to an embodiment of the present application;

FIG. 2 is a schematic diagram of the structure of an upper mounting base of a hot nozzle for an open hot runner system according to an embodiment of the present application;

fig. 3 is a schematic structural view of a lower mounting seat of a hot nozzle for an open hot runner system according to an embodiment of the present application.

In the figure: the heating device comprises an upper mounting base 10, a central tube 11, a first sliding hole 12, a sliding sleeve 13, a screw column 14, a knob 15, a moving sleeve 16, a pull rod 17, a nozzle body 19, a nozzle 20, a guide plate 21, a second sliding hole 22, a first double-head connecting tube 23, a connecting base 24, a lower mounting base 25, a flow distribution plate 26, a second double-head connecting tube 27, a metal hose 28, an inlet 29 and a heating module 30.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1 to 3, in the present embodiment, a heat nozzle for an open hot runner system is provided, including an upper mounting seat 10, a connecting seat 24, a lower mounting seat 25, a positioning mechanism, and a plurality of single-ended heat nozzles, where the upper mounting seat 10 is in an inverted barrel structure, and a top wall of the upper mounting seat is provided with a plurality of first sliding holes 12 that are centrosymmetric, a central tube 11 is arranged at a central portion of the upper mounting seat 10, and a bottom side wall of the central tube 11 is provided with a third sliding hole; the connecting seat 24 is of a T-shaped circular tube structure, and the top wall of the connecting seat 24 is fixedly connected with the bottom of the upper mounting seat 10; the lower mounting seat 25 is of a barrel structure, a top port is sleeved at the bottom of the connecting seat 24 in a threaded manner, and a flow distribution mechanism is arranged in the lower mounting seat 25; the structure of the positioning mechanism comprises a sliding sleeve 13, a screw column 14 and a plurality of moving sleeves 16, wherein the sliding sleeve 13 is sleeved at the bottom of the central tube 11 and is used for driving the pull rod 17 to rotate up and down; the screw post 14 is rotatably connected in the central tube 11, and a threaded sleeve screwed on the screw post 14 is fixedly connected with the sliding sleeve 13 from a third sliding hole and is used for controlling the threaded sleeve to drive the sliding sleeve 13 to slide up and down; a plurality of moving sleeves 16 are arranged in the barrel groove of the upper mounting seat 10 in a centrosymmetric manner, and each moving sleeve 16 is hinged with the sliding sleeve 13 through a pull rod 17 and used for driving the mouth body 19 to move; nozzle body 19 of each single-ended nozzle is mounted in a movable sleeve 16, and nozzle 20 projects from a first slide hole 12.

The top port of the central tube 11 is rotatably connected with a knob 15, and the bottom end of the knob 15 is fixedly connected with the top end of the screw post 14 and used for controlling the rotation of the knob 15.

The structure of the flow dividing mechanism comprises a guide plate 21, a flow dividing plate 26 and a plurality of metal hoses 28, wherein the guide plate 21 is provided with a plurality of centrosymmetric second sliding holes 22, each second sliding hole 22 is connected with a first double-head connecting pipe 23 in a sliding manner, a top end and a bottom end of each first double-head connecting pipe 23 are respectively fixedly communicated with a bottom end of a nozzle body 19 and a top end of one metal hose 28, and the guide plate 21 is fixed between an upper mounting seat 10 and a connecting seat 24 and used for guiding at the lower end of a movable sleeve 16; a second double-head connecting pipe 27 is respectively fixed in a plurality of through holes of the flow distribution plate 26, the top port of each second double-head connecting pipe 27 is fixedly communicated with the bottom port of a metal hose 28 and used for distributing molten glue, the molten glue is guided to a plurality of single-head hot nozzles from the plurality of metal hoses 28, and the flow distribution plate 26 is fixed in the middle layer of the lower mounting seat 25 in a sealing mode.

The inner cavity of the lower mounting seat 25 below the flow distribution plate 26 is a general cavity, and a pipe orifice arranged in a central through hole of the general cavity is an inlet 29 and is used for being communicated with an outlet of a pump of the hot melting box.

A heating module 30 is arranged between the guide plate 21 and the flow dividing plate 26 to prevent the molten gel in the metal hose 28 and the main cavity from condensing.

The utility model discloses a theory of operation: when the nozzle is installed, the bottom end ports of the plurality of nozzle bodies 19 are respectively and fixedly communicated with the top end ports of the plurality of first-head connecting pipes 23, then the plurality of nozzle bodies 19 are respectively inserted into the plurality of moving sleeves 16, and the nozzle 20 is extended out of the first sliding hole 12; after the guide plate 21 is attached to the bottom end of the upper mounting seat 10, the top wall of the connecting seat 24 presses the guide plate 21 and is fixedly connected with the bottom of the upper mounting seat 10; then the top ends of a plurality of metal hoses 28 are respectively and fixedly communicated with the bottom end ports of a plurality of first double-head connecting pipes 23, the bottom ends of the metal hoses are respectively and fixedly communicated with the top end ports of a plurality of second double-head connecting pipes 23, and then the lower mounting seat 25 is screwed on the bottom of the connecting seat 24; during adjustment, the knob 15 is controlled to rotate by a wrench, so that the screw post 14 drives the sliding sleeve 13 to slide upwards or downwards through the threaded sleeve after rotating, the sliding sleeve 13 drives the pull rod 17 to rotate outwards or inwards, the moving sleeve 16 is pushed to move outwards, or the moving sleeve 16 is pulled inwards, so that the nozzle 20 slides outwards or inwards along the first sliding hole 12 to adjust the positions of the plurality of nozzles 20, and after adjustment is completed, the nut is screwed outside the nozzle 20 and pressed on the top side wall of the upper mounting seat 10, so that the nozzle 20 is fixedly connected with the upper mounting seat 10; when in use, the molten glue flows into the main cavity from the inlet 29, is divided into a plurality of metal hoses 28 through the dividing plate 26, and flows into a plurality of single-head hot nozzles along the metal hoses 28; and the heating module 30 heats the melt adhesive in the main chamber and the metal hose 28 to prevent cooling and solidification. The utility model discloses conveniently adjust the position of a plurality of nozzles that bull heat was chewed.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. The heat nozzle for the open type hot runner system is characterized by comprising an upper mounting seat (10), a connecting seat (24), a lower mounting seat (25), a positioning mechanism and a plurality of single-head heat nozzles, wherein the upper mounting seat (10) is of an inverted barrel structure, a plurality of first sliding holes (12) which are centrosymmetric are arranged on the top wall of the upper mounting seat, a central tube (11) is arranged at the central part of the upper mounting seat (10), and a third sliding hole is arranged on the side wall of the bottom of the central tube (11); the connecting seat (24) is of a T-shaped circular tube structure, and the top wall of the connecting seat (24) is fixedly connected with the bottom of the upper mounting seat (10); the lower mounting seat (25) is of a barrel structure, a top port is sleeved at the bottom of the connecting seat (24) in a threaded manner, and a flow distribution mechanism is arranged in the lower mounting seat (25); the structure of the positioning mechanism comprises a sliding sleeve (13), a screw post (14) and a plurality of moving sleeves (16), wherein the sliding sleeve (13) is sleeved at the bottom of the central pipe (11); the screw column (14) is rotatably connected into the central pipe (11), and a threaded sleeve screwed on the screw column (14) is fixedly connected with the sliding sleeve (13) from a third sliding hole; the plurality of moving sleeves (16) are arranged in the barrel groove of the upper mounting seat (10) in a centrosymmetric manner, and each moving sleeve (16) is hinged with the sliding sleeve (13) through a pull rod (17); the nozzle body (19) of each single-head hot nozzle is arranged in a movable sleeve (16), and the nozzle (20) extends out of a first sliding hole (12).

2. A hot nozzle for an open hot runner system according to claim 1, wherein a knob (15) is rotatably connected to the top port of the central tube (11), and the bottom end of the knob (15) is fixedly connected to the top end of the screw post (14).

3. The hot nozzle for the open hot runner system according to claim 1, wherein the structure of the flow dividing mechanism comprises a guide plate (21), a flow dividing plate (26) and a plurality of metal hoses (28), the guide plate (21) is provided with a plurality of centrosymmetric second sliding holes (22), each second sliding hole (22) is slidably connected with a first double-head connecting pipe (23), a top end and a bottom end of each first double-head connecting pipe (23) are respectively and fixedly communicated with a bottom end of a nozzle body (19) and a top end of one metal hose (28), and the guide plate (21) is fixed between the upper mounting base (10) and the connecting base (24); a second double-head connecting pipe (27) is respectively fixed in a plurality of through holes of the flow distribution plate (26), a top end port of each second double-head connecting pipe (27) is fixedly communicated with a bottom end port of a metal hose (28), and the flow distribution plate (26) is fixed on the middle layer of the lower mounting seat (25) in a sealing manner.

4. A hot nozzle for an open hot runner system according to claim 3, characterised in that the inner cavity of the lower mounting base (25) below the manifold plate (26) is a general cavity, the orifice provided in the central through hole of which is the inlet (29).