CN213002496U

CN213002496U - Sprue bush with double-circulation cooling water jacket

Info

Publication number: CN213002496U
Application number: CN202021751824.XU
Authority: CN
Inventors: 周立平
Original assignee: Guangzhou Xinyonglong Speical Equipment Co ltd
Current assignee: Guangzhou Xinyonglong Speical Equipment Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-20
Anticipated expiration: 2030-08-20

Abstract

The utility model belongs to the technical field of sprue bush, and discloses a double-circulation cooling water jacket sprue bush, which comprises a sprue bush body, wherein a first cooling water jacket is arranged at one end of the sprue bush body, the inner wall of the first cooling water jacket is connected with a second cooling water jacket, a material cylinder fixing spigot is arranged in the middle of one side of the sprue bush body, which is far away from the first cooling water jacket, and an anti-rotation flat mouth is arranged on the outer wall of the sprue bush body, the utility model can lead cooling solution to be circularly cooled at the sprue bush body through the matching of a first water inlet/outlet hole, a second water inlet/outlet hole, a first cavity groove and a second cavity groove, thereby leading the redundant heat of the aluminum alloy melt to be taken away, ensuring the constant temperature of the aluminum alloy melt to reach a die cavity, improving the constant temperature and the stability of the aluminum alloy melt flowing through the inner cavity of the sprue bush, greatly prolonging the service life of the device and improving the production efficiency of enterprises, the production cost of enterprises is reduced and saved.

Description

Sprue bush with double-circulation cooling water jacket

Technical Field

The utility model belongs to the technical field of the sprue bush, concretely relates to two circulative cooling water jacket sprue bushes.

Background

The sprue bush is also called as a sprue bushing, a pouring nozzle and a pouring gate pouring, molten plastic materials are injected into a runner forming part inside a mould from a nozzle of an injection molding machine and are used for connecting a forming mould and metal accessories of the injection molding machine, the sprue bush can be divided into an A type, a B type, a C type, a D type, an E type and the like according to the difference of appearance, A, B, C types are commonly used, the A type 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 caused by overlarge injection molding pressure.

However, the sprue bush in the current market has more defects in the use process, for example, the temperature of the aluminum alloy melt flowing through the inner cavity of the existing sprue bush is too high, and the inner cavity wall of the sprue bush is easily seriously corroded and eroded at high temperature, so that the service life of the device is low, the production efficiency is influenced, and the production cost of an enterprise is increased.

Disclosure of Invention

An object of the utility model is to provide a two circulative cooling water jacket runner covers to solve the inner chamber wall of the runner cover that proposes among the above-mentioned background art and produce serious corruption and high temperature erosion easily, cause the problem of the bad effect of device low-lived.

In order to achieve the above object, the utility model provides a following technical scheme: a sprue bush with a double-circulation cooling water jacket comprises a sprue bush body, a first cooling water jacket is mounted at one end of the sprue bush body, the inner wall of the first cooling water jacket is connected with a second cooling water jacket, a charging barrel fixing spigot is arranged in the middle of one side of the sprue bush body away from the first cooling water jacket, and the outer wall of the sprue bush body is provided with an anti-rotation flat opening, one end of the second cooling water jacket far away from the sprue bush body is provided with a sprue runner, the side wall of the first cooling water jacket is provided with a first water inlet and outlet hole, and one side of the side wall of the first cooling water jacket close to the first water inlet and outlet hole is provided with a second water inlet and outlet hole, a first cavity groove is arranged on one side between the inner part and the outer part of the second cooling water jacket close to the first water inlet and outlet hole, and a second cavity groove is formed in one side, close to the second water inlet and outlet hole, between the inside and the outside of the second cooling water jacket.

Preferably, the outer diameter of the sprue bush body is larger than the outer diameter of the first cooling water jacket, and the outer diameter of the first cooling water jacket is larger than the outer diameter of the second cooling water jacket.

Preferably, the second cooling water jacket and the first cooling water jacket are both in a hollow cylinder shape, and the inner wall of the second cooling water jacket is connected with a wear-resistant layer.

Preferably, the outer wall of the first cooling water jacket is provided with an anti-slip groove, and both ends of the inner wall of the anti-slip groove are provided with arc chamfers.

Preferably, a sealing ring is installed at one end of the outer wall of the first cooling water jacket, and the sealing ring is located on one side of the sprue bush body.

Preferably, the first cavity groove and the second cavity groove are both in an annular structure, and the length of the second cooling water jacket is greater than that of the first cooling water jacket.

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

(1) the utility model discloses a first business turn over water hole, the second business turn over water hole, the cooperation in first chamber groove and second chamber groove, can make cooling solution in sprue bush body department circulative cooling, and then can take away the unnecessary heat of molten aluminum alloy, guarantee during its constancy of temperature's the reacing mould die cavity, compare with traditional device, the constancy of temperature and the stability of sprue bush inner chamber molten aluminum alloy of having improved to flow through have improved, the life of device and the production efficiency of enterprise have been improved greatly, the manufacturing cost of enterprise has been reduced and has been practiced thrift.

(2) The utility model discloses a set up the fixed tang of feed cylinder, make the fixed tang of feed cylinder and press the room and can carry out clearance fit through matched with tang position, and can make runner cover body can not rotate at will through preventing changeing flat mouthful, and first cooling jacket and second cooling jacket pass through the hot charging interference fit of impressing, and cooperate the position all around and adopt the mode of all around full welding, thereby can guarantee that cooling solution can't ooze, first cooling jacket and second cooling jacket's whole adopts clearance fit with runner cover body simultaneously, and can make it combine more firmly under the effect of fixed pin, correct position, processing technology is simple, and is sealed respond well, the result of use of device is greatly improved, and the use is safe and reliable.

Drawings

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

fig. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

in the figure: 1. an anti-rotation flat opening; 2. a charging barrel fixing spigot; 3. a sprue bush body; 4. a first cavity groove; 5. a first water inlet and outlet hole; 6. a first cooling water jacket; 7. a second cooling water jacket; 8. a wear layer; 9. a sprue runner; 10. an anti-slip groove; 11. a seal ring; 12. a second cavity groove; 13. a second water inlet and outlet hole.

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. 1-3, the present invention provides the following technical solutions: a dual-circulation cooling water jacket sprue bush comprises a sprue bush body 3, a first cooling water jacket 6 is mounted at one end of the sprue bush body 3, a second cooling water jacket 7 is connected to the inner wall of the first cooling water jacket 6, a charging barrel fixing spigot 2 is arranged in the middle of one side, away from the first cooling water jacket 6, of the sprue bush body 3, an anti-rotation flat mouth 1 is arranged on the outer wall of the sprue bush body 3, a sprue runner channel 9 is arranged at one end, away from the sprue bush body 3, of the second cooling water jacket 7, a first water inlet and outlet hole 5 is arranged on the side wall of the first cooling water jacket 6, a second water inlet and outlet hole 13 is arranged on one side, close to the first water inlet and outlet hole 5, of the side wall of the first cooling water jacket 6, a first water inlet and outlet hole 5 and a second water inlet and outlet hole 13 are respectively communicated with a first cavity groove 4 and a second cavity groove 12, thereby cooling solution can be circularly cooled at the sprue bush body 3, and further the redundant heat of the aluminum alloy melt can be taken away, the temperature of the aluminum alloy melt can be ensured to reach the die cavity in a constant manner, compared with the traditional device, the temperature constancy and the stability of the aluminum alloy melt flowing through the inner cavity of the sprue bush are improved, the service life of the device and the production efficiency of enterprises are greatly improved, and the production cost of the enterprises is reduced and saved, a first cavity groove 4 is arranged at one side between the inside and the outside of the second cooling water jacket 7 close to the first water inlet and outlet hole 5, a second cavity groove 12 is arranged at one side between the inside and the outside of the second cooling water jacket 7 close to the second water inlet and outlet hole 13, in addition, the charging barrel fixing spigot 2 and the pressure chamber can be in clearance fit through a matched spigot position, the sprue bush body 3 can not rotate through the limit fixing of the anti-rotation flat mouth 1, and simultaneously the first cooling water jacket 6 and the second cooling water jacket 7 are in interference fit, and the matching parts around adopt the mode of full welding, thereby can guarantee that the cooling solution can not ooze, and the whole of first cooling water jacket 6 and second cooling water jacket 7 adopts clearance fit with runner bush body 3, and can make its combination more firm, the position is correct under the effect of fixed pin, and processing technology is simple, and sealed respond well, has improved the result of use of device greatly, uses safe and reliable.

Further, the outer diameter of the sprue bush body 3 is larger than the outer diameter of the first cooling water jacket 6, and the outer diameter of the first cooling water jacket 6 is larger than the outer diameter of the second cooling water jacket 7.

Furthermore, the second cooling water jacket 7 and the first cooling water jacket 6 are both in a hollow cylindrical shape, the inner wall of the second cooling water jacket 7 is connected with a wear-resistant layer 8, and the wear-resistant layer 8 has corrosion-resistant and wear-resistant functions.

Specifically, the outer wall of the first cooling water jacket 6 is provided with an anti-slip groove 10, the first cooling water jacket 6 is convenient to take through the anti-slip groove 10, and both ends of the inner wall of the anti-slip groove 10 are provided with arc chamfers.

Specifically, a seal ring 11 is mounted at one end of the outer wall of the first cooling water jacket 6, the sealing effect can be further improved by the seal ring 11, and the seal ring 11 is located on one side of the sprue bush body 3.

Specifically, the first cavity groove 4 and the second cavity groove 12 are both in an annular structure, and the length of the second cooling water jacket 7 is greater than that of the first cooling water jacket 6.

The utility model discloses a theory of operation and use flow: when the utility model is used, the charging barrel fixing spigot 2 and the pressure chamber can be in clearance fit through the matched spigot position, the sprue bush body 3 can not rotate at will through the limit fixing of the anti-rotation flat mouth 1, the first cooling water jacket 6 and the second cooling water jacket 7 are pressed into interference fit through hot charging, and the matched parts around adopt a full-welding mode, thereby ensuring that the cooling solution can not seep out, the whole body of the first cooling water jacket 6 and the second cooling water jacket 7 and the sprue bush body 3 adopt clearance fit, and the cooling solution can be combined more firmly and positioned correctly under the action of the fixing pin, the processing technology is simple, the sealing effect is good, the using effect of the device is greatly improved, the use is safe and reliable, the cooling solution can be circularly cooled at the sprue bush body 3 through the first water inlet and outlet hole 5 and the second water inlet and outlet hole 13, and further the redundant heat of the aluminum alloy melt can be taken away, the constant temperature of the molten aluminum alloy reaches the die cavity, and compared with the traditional device, the constant temperature and the stability of the molten aluminum alloy flowing through the inner cavity of the sprue bush are improved, the service life of the device is greatly prolonged, the production efficiency of enterprises is greatly improved, and the production cost of the enterprises is reduced and saved.

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 two circulative cooling water jacket sprue bush which characterized in that: the sprue bush comprises a sprue bush body (3), wherein a first cooling water jacket (6) is installed at one end of the sprue bush body (3), the inner wall of the first cooling water jacket (6) is connected with a second cooling water jacket (7), a charging barrel fixing spigot (2) is arranged in the middle of one side, away from the first cooling water jacket (6), of the sprue bush body (3), an anti-rotation flat opening (1) is formed in the outer wall of the sprue bush body (3), a sprue runner flow channel (9) is formed in one end, away from the sprue bush body (3), of the second cooling water jacket (7), a first water inlet and outlet hole (5) is formed in the side wall of the first cooling water jacket (6), a second water inlet and outlet hole (13) is formed in one side, close to the first water inlet and outlet hole (5), of one side, between the inside and the outside of the second cooling water jacket (7), a first cavity groove (4) is formed in one side, close to the first water inlet and outlet hole (, and a second cavity groove (12) is arranged on one side, close to the second water inlet and outlet hole (13), between the inside and the outside of the second cooling water jacket (7).

2. The dual cycle cooling water jacket sprue bushing according to claim 1 wherein: the outer diameter of the sprue bush body (3) is larger than that of the first cooling water jacket (6), and the outer diameter of the first cooling water jacket (6) is larger than that of the second cooling water jacket (7).

3. The dual cycle cooling water jacket sprue bushing according to claim 1 wherein: the second cooling water jacket (7) and the first cooling water jacket (6) are both in a hollow cylindrical shape, and the inner wall of the second cooling water jacket (7) is connected with a wear-resistant layer (8).

4. The dual cycle cooling water jacket sprue bushing according to claim 1 wherein: the outer wall of the first cooling water jacket (6) is provided with an anti-skidding groove (10), and two ends of the inner wall of the anti-skidding groove (10) are provided with arc chamfers.

5. The dual cycle cooling water jacket sprue bushing according to claim 1 wherein: and a sealing ring (11) is installed at one end of the outer wall of the first cooling water jacket (6), and the sealing ring (11) is positioned on one side of the sprue bush body (3).

6. The dual cycle cooling water jacket sprue bushing according to claim 1 wherein: the first cavity groove (4) and the second cavity groove (12) are both in annular structures, and the length of the second cooling water jacket (7) is larger than that of the first cooling water jacket (6).