CN210362283U

CN210362283U - Quick cooling integral type runner cover

Info

Publication number: CN210362283U
Application number: CN201921123762.5U
Authority: CN
Inventors: 陈漪婷
Original assignee: Guangzhou Kexiong Precision Machinery Co Ltd
Current assignee: Guangzhou Kexiong Precision Machinery Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-21
Anticipated expiration: 2029-07-18

Abstract

The utility model relates to the technical field of sprue bush, in particular to a rapid cooling integrated sprue bush, which comprises a sprue bush body and a rear mold core, wherein a front mold core is arranged above the rear mold core, a circular notch is formed in the top of the front mold core, a strip-shaped through groove is formed below the circular notch, a groove is formed in the top of the sprue bush body, and a main runner is formed in the middle of the sprue bush body in a penetrating manner; the utility model discloses a runner cover body, back mould benevolence, front mould benevolence, circular notch, the logical groove of bar, the copper sheet, the aluminum sheet, the setting of cooling tube and mainstream pipe, can realize carrying out high-efficient heat conduction and radiating function to the surface of runner cover body, make this runner cover possess and can carry out quick refrigerated advantage to the inside, solved present runner cover and all carried out natural cooling through the heat conduction of self, consequently, cooling cycle is longer, thereby cause the shaping time of plastics product long, the problem that production efficiency is low, be worth promoting.

Description

Quick cooling integral type runner cover

Technical Field

The utility model relates to a sprue bush technical field specifically is a quick cooling integral type sprue bush.

Background

The sprue bush is called sprue bushing, pouring nozzle and pouring gate, and is a runner component for injecting molten plastic materials into the mold from a nozzle of an injection molding machine, and is used for connecting a forming mold and a metal accessory of the injection molding machine, and the sprue bush can be divided into the following parts according to different appearances: the type A, the type B, the type C, the type D, the type E and the like are commonly used in A, B, C types, the type A sprue bush is provided with a special bolt fixing interface and is fixed through a bolt, and the sprue bush can be prevented from falling off due to overlarge injection pressure.

After the injection molding is finished, the quality of an injection molding product is determined by the cooling effect of the sprue bush, the existing sprue bush dissipates heat through self heat conduction and relies on natural cooling, so that the cooling period is longer, the molding time of the plastic product is long, the production efficiency is low, and the problem is solved by providing the sprue bush which can rapidly cool the inside.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick cooling integral type runner cover possesses and can carry out quick refrigerated advantage to the inside, has solved present runner cover and has all carried out natural cooling through the heat conduction of self, and consequently the cooling cycle is longer to cause the shaping time of plastics product long, problem that production efficiency is low.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick cooling integral type runner cover, includes runner cover body and back mould benevolence, the top of back mould benevolence is provided with front mould benevolence, circular notch has been seted up at front mould benevolence's top, the strip is led to the groove has been seted up to circular notch's below, the top of runner cover body is seted up flutedly, the middle part of runner cover body is run through and is seted up the sprue, copper sheet and aluminum sheet have been welded respectively on the surface of runner cover body, the below cover on runner cover body surface is equipped with the cooling tube, the both sides of cooling tube all communicate there is the sprue.

Preferably, the height of the front mold core is greater than that of the rear mold core, and the rear mold core and the front mold core are both made of high heat conduction materials.

Preferably, copper sheet and aluminum sheet all are located the inside that the groove was led to the bar, the sprue bush body is located the inboard of circular notch, the quantity that the groove was led to the bar is four, and two copper sheets are located the left and right sides on sprue bush body surface, and two aluminum sheets are located sprue bush body surface front and back both sides.

Preferably, the pipe diameter of the main flow pipe is smaller than that of the cooling pipe, the main flow pipe penetrates through the rear mold core, and a certain gap is reserved between the main flow pipes positioned at the upper side and the lower side.

Preferably, the surface of the sprue bush body is provided with heat conduction salient points, the heat conduction salient points and the sprue bush body are integrally processed, and the protruding height of the heat conduction salient points is 1-2 mm.

Preferably, the surface of the cooling pipe is sleeved with a heat conduction sleeve, the heat conduction sleeve is made of insulating elastic rubber, annular grooves matched with the cooling pipe are formed in the lower portion of the surface of the sprue bush body, and the number of the annular grooves and the number of the cooling pipe are two.

Preferably, the inner side of the front mold core is provided with a plurality of heat conduction channels in a penetrating manner, and the heat conduction channels are communicated with the strip-shaped through grooves.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a runner cover body, back mould benevolence, front mould benevolence, circular notch, the logical groove of bar, the copper sheet, the aluminum sheet, the setting of cooling tube and mainstream pipe, can realize carrying out high-efficient heat conduction and radiating function to the surface of runner cover body, make this runner cover possess and can carry out quick refrigerated advantage to the inside, solved present runner cover and all carried out natural cooling through the heat conduction of self, consequently, cooling cycle is longer, thereby cause the shaping time of plastics product long, the problem that production efficiency is low, be worth promoting.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic perspective view of the structure of the sprue bush body of the present invention;

fig. 4 is a top view of the cooling tube of the present invention.

In the figure: the casting die comprises a sprue bush body 1, a rear die core 2, a front die core 3, a circular notch 4, a strip-shaped through groove 5, a groove 6, a main runner 7, a copper sheet 8, an aluminum sheet 9, a cooling pipe 10, a main runner 11, a heat conduction bump 12, a heat conduction sleeve 13, an annular groove 14 and a heat conduction channel 15.

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. 1-4, a rapid cooling integrated sprue bush comprises a sprue bush body 1 and a rear sprue bush 2, a front mold core 3 is arranged above the rear sprue bush 2, a circular notch 4 is formed in the top of the front mold core 3, a strip-shaped through groove 5 is formed below the circular notch 4, a groove 6 is formed in the top of the sprue bush body 1, a main runner 7 is formed in the middle of the sprue bush body 1 in a penetrating manner, a copper sheet 8 and an aluminum sheet 9 are welded to the surface of the sprue bush body 1 respectively, a cooling pipe 10 is sleeved below the surface of the sprue bush body 1, two sides of the cooling pipe 10 are communicated with a main runner pipe 11, and the efficient heat conduction and heat dissipation functions can be realized on the outer surface of the sprue bush body 1 through the arrangement of the sprue bush body 1, the rear mold core 2, the front mold core 3, the circular notch 4, the strip-shaped through groove 5, the copper sheet 8, the aluminum sheet 9, the cooling pipe 10 and the, make this sprue bush possess can carry out quick refrigerated advantage to inside, solved present sprue bush and all carried out natural cooling through self heat conduction, consequently the cooling cycle is longer to cause the shaping time of plastic products long, the problem that production efficiency is low, be worth promoting.

In this embodiment, the height of the front mold core 3 is greater than the height of the rear mold core 2, and the rear mold core 2 and the front mold core 3 are made of a high heat conduction material, and the special material design can allow the rear mold core 2 and the front mold core 3 to efficiently conduct heat to the outer surface of the sprue bush body 1 when the sprue bush body 1 is supported and installed, so as to help the sprue bush body 1 to cool itself.

In this embodiment, copper sheet 8 and aluminum sheet 9 all are located the inside that the groove 5 was led to the bar, and sprue bush body 1 is located the inboard of circular notch 4, and the quantity that the groove 5 was led to the bar is four, and two copper sheets 8 are located the left and right sides on sprue bush body 1 surface, and two aluminum sheets 9 are located the front and back both sides on sprue bush body 1 surface, and the quantity of copper sheet 8 and aluminum sheet 9 is four altogether, and they are the fin slice and arrange on the surface of sprue bush body 1, can play high-efficient heat conduction and radiating effect.

In this embodiment, the diameter of the main flow pipe 11 is smaller than the diameter of the cooling pipe 10, the main flow pipe 11 penetrates through the rear mold core 2, a gap is left between the main flow pipes 11 located at the upper and lower sides, the main flow pipe 11 is used for supplying cooling liquid, and the cooling pipe 10 is located on the outer surface of the sprue bush body 1 and can absorb heat from the inner side of the sprue bush body 1.

In this embodiment, the surface of the sprue bush body 1 is provided with the heat-conducting protruding points 12, the heat-conducting protruding points 12 and the sprue bush body 1 are integrally processed, and the protruding height of the heat-conducting protruding points 12 is 1-2mm, so that the contact area between the sprue bush body 1 and the inner side of the front mold core 3 can be increased by the arrangement of the heat-conducting protruding points 12, and the heat-conducting efficiency is improved.

In this embodiment, the surface cover of cooling tube 10 is equipped with heat conduction cover 13, and the material of heat conduction cover 13 is insulating elastic rubber, and annular groove 14 that uses with cooling tube 10 cooperation is seted up to the below on sprue bush body 1 surface, and annular groove 14 is two with the quantity of cooling tube 10, through the setting of annular groove 14, can agree with the annular structure of cooling tube 10 for both laminate more, and heat conduction cover 13 can accelerate heat-conduction moreover.

In this embodiment, the inner side of the front mold core 3 is provided with a plurality of heat conducting channels 15, the number of the heat conducting channels 15 is several, the heat conducting channels 15 are communicated with the strip-shaped through grooves 5, and the heat conducting channels 15 are used for providing a circulation space for heat conducted and dissipated from the copper sheets 8 and the aluminum sheets 9.

The working principle is as follows: when the sprue bush body 1 is actually cooled, the heat on the inner side of the sprue bush body is transmitted to the copper sheet 8, the aluminum sheet 9 and the heat conduction salient points 12 through the sprue bush body 1, then transmitted to the front mold core 3 and the rear mold core 2, and then transmitted to the outside, meanwhile, part of the heat is led out to the outside through the heat conduction channel 15, the heat on the lower section part of the surface of the sprue bush body 1 is absorbed by the cooling liquid inside the cooling pipe 10 through the heat conduction sleeve 13, and the redundant heat is taken away, so that the cooling of the sprue bush body 1 is accelerated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick cooling integral type runner cover, includes runner cover body (1) and back mould benevolence (2), its characterized in that: the die is characterized in that a front die core (3) is arranged above the rear die core (2), a circular notch (4) is formed in the top of the front die core (3), a strip-shaped through groove (5) is formed in the lower portion of the circular notch (4), a groove (6) is formed in the top of the sprue bush body (1), a main runner (7) is formed in the middle of the sprue bush body (1) in a penetrating mode, a copper sheet (8) and an aluminum sheet (9) are welded to the surface of the sprue bush body (1) respectively, a cooling pipe (10) is sleeved on the lower portion of the surface of the sprue bush body (1), and the two sides of the cooling pipe (10) are communicated with the main runner (11).

2. The rapid cooling integrated sprue bushing according to claim 1, wherein: the height of the front mold core (3) is greater than that of the rear mold core (2), and the rear mold core (2) and the front mold core (3) are both made of high heat conduction materials.

3. The rapid cooling integrated sprue bushing according to claim 1, wherein: copper sheet (8) and aluminum sheet (9) all are located the inside that groove (5) were led to the bar, sprue bush body (1) is located the inboard of circular notch (4), the quantity that groove (5) were led to the bar is four, and two copper sheets (8) are located the left and right sides on sprue bush body (1) surface, and both sides around two aluminum sheets (9) are located sprue bush body (1) surface.

4. The rapid cooling integrated sprue bushing according to claim 1, wherein: the pipe diameter of mainstream pipe (11) is less than the pipe diameter of cooling tube (10), back mould benevolence (2) is run through in mainstream pipe (11), and is located and leaves certain space between the mainstream pipe (11) of upper and lower both sides.

5. The rapid cooling integrated sprue bushing according to claim 1, wherein: the sprue bush is characterized in that heat-conducting convex points (12) are arranged on the surface of the sprue bush body (1), the heat-conducting convex points (12) and the sprue bush body (1) are integrally processed, and the protruding height of the heat-conducting convex points (12) is 1-2 mm.

6. The rapid cooling integrated sprue bushing according to claim 1, wherein: the surface cover of cooling tube (10) is equipped with heat conduction cover (13), the material of heat conduction cover (13) is insulating elastic rubber, annular groove (14) of using with cooling tube (10) cooperation are seted up to the below on sprue bush body (1) surface, annular groove (14) are two with the quantity of cooling tube (10).

7. The rapid cooling integrated sprue bushing according to claim 1, wherein: the inner side of the front mold core (3) is provided with a plurality of heat conduction channels (15) in a penetrating way, and the heat conduction channels (15) are communicated with the strip-shaped through grooves (5).