CN214185138U

CN214185138U - Exhaust structure for preventing upper die of core box from being stuck to die

Info

Publication number: CN214185138U
Application number: CN202022919006.2U
Authority: CN
Inventors: 董腾
Original assignee: Asimco International Casting Co ltd Shanxi
Current assignee: Asimco International Casting Co ltd Shanxi; Asimco International Casting Shanxi Co Ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-09-14
Anticipated expiration: 2030-12-08

Abstract

The utility model relates to a core box device for casting, in particular to an exhaust structure for preventing an upper die of a core box from sticking a die, which comprises a transverse exhaust channel, a first vertical exhaust channel, a second vertical exhaust channel and a third vertical exhaust channel, wherein the lower end of the vertical exhaust channel is communicated with a sand core space, and the upper end of the first vertical exhaust channel is communicated with the transverse exhaust channel; the vertical exhaust channel II is arranged in the upper core box module, the vertical exhaust channel III is arranged in the lower core box module in a penetrating way, and the vertical exhaust channel II and the vertical exhaust channel III are communicated in a butt joint way. The utility model discloses avoided the gaseous problem that gets into the core vent of triethylamine and make its near sand bond, reduced the clearance work load, improved work efficiency, guaranteed the foundry goods quality.

Description

Exhaust structure for preventing upper die of core box from being stuck to die

Technical Field

The utility model relates to a core box device is used in the casting, specifically is an exhaust structure who prevents mould sticking on the core box.

Background

In the casting process and the used device, the triethylamine catalytic process is mainly adopted for cold core box core making, the mixed sand is injected into an inner cavity through a sand shooting channel, triethylamine gas is blown into the core box through a blowing plate channel, a nozzle hole and an exhaust plug hole channel to solidify the sand, the triethylamine gas is blown into the core box through an exhaust plug hole, sand sticking often occurs near the exhaust plug hole, the core box tool needs to be frequently cleaned, the surface quality of a casting piece is influenced, and the production efficiency is also influenced. Specifically, as shown in fig. 2, the cold-box core making structure mainly comprises an upper core box frame 4, a lower core box frame 2 and a blowing plate 6, wherein an upper core box module 3 is arranged in the upper core box frame 4, a lower core box module 1 is arranged in the lower core box frame 2, a core space 13 is arranged between the upper core box module 3 and the lower core box module 1, a nozzle channel 7 and an exhaust channel 13 are arranged in the upper core box frame and the upper core box module in a penetrating manner, an exhaust plug 12 is arranged in the exhaust channel 13, the lower ends of the nozzle channel 7 and the exhaust channel 13 are both communicated with the core space, the blowing plate 6 is positioned above the upper core box module 3, a triethylamine gas channel 5 is arranged in the blowing plate 6, the upper ends of the nozzle channel and the exhaust channel are both communicated with the triethylamine gas channel, when triethylamine gas is blown to perform the next step operation after the sand injection is finished, a part of sand can enter the exhaust plug, the sand is solidified and bonded near the opening of the exhaust plug, and needs to be cleaned frequently, the production efficiency is influenced, and the surface quality of the casting is finally influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem of the easy bonding sand of last core box module that exists in the cold-box coremaking, provide an exhaust structure who prevents mould sticking on the core box.

The technical scheme of the utility model is that, an exhaust structure for preventing the upper die of the core box from sticking to the die, including an upper core box frame, a lower core box frame, a blowing plate, an upper core box module is arranged in the upper core box frame, a lower core box module is arranged in the lower core box frame, a sand core space is arranged between the upper core box module and the lower core box module, the blowing plate is positioned above the upper core box module, a triethylamine gas channel is arranged in the blowing plate, nozzle channels are arranged in the upper core box frame and the upper core box module in a penetrating way, the lower ends of the nozzle channels are communicated with the sand core space, the upper ends of the nozzle channels are communicated with the triethylamine gas channel, the exhaust structure also comprises a transverse exhaust channel, a first vertical exhaust channel, a second vertical exhaust channel and a third vertical exhaust channel, the lower ends of the vertical exhaust channels are communicated with the sand core space, and the upper ends of the first vertical exhaust channels are communicated with the transverse exhaust channel; the vertical exhaust channel II is arranged in the upper core box module, the vertical exhaust channel III is arranged in the lower core box module in a penetrating way, and the vertical exhaust channel II and the vertical exhaust channel III are communicated in a butt joint way.

The transverse exhaust channel is arranged in the upper core box module.

The transverse exhaust channel is arranged between the upper core box module and the upper core box frame.

An exhaust plug is arranged in the first vertical exhaust channel.

Compared with the prior art, the technical effect of the utility model is that, the exhaust passage of going up core box module is not direct and triethylamine gas channel intercommunication, uses as exhausting simply, has avoided the gaseous problem that gets into the core vent plug and make near its sand bond of triethylamine, has reduced the clearance work load, has improved work efficiency, has guaranteed casting quality.

Drawings

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

fig. 2 is a schematic structural diagram of a conventional apparatus.

In the figure: 1 is core box module down, 2 is core box frame down, 3 is core box module, 4 is core box frame, 5 is triethylamine gas passage, 6 is the blowing board, 7 is for penetrating the mouth passageway, 8 is vertical exhaust passage one, 9 is horizontal exhaust passage, 10 is vertical exhaust passage two, 11 is vertical exhaust passage three, 12 is the core release plug, 13 is the psammitolite space.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in figure 1, the exhaust structure for preventing an upper die of a core box from being stuck comprises an upper core box frame 4, a lower core box frame 2 and an air blowing plate 6, an upper core box module 3 is arranged in an upper core box frame 4, a lower core box module 1 is arranged in a lower core box frame 2, a sand core space 13 is arranged between the upper core box module 3 and the lower core box module 1, an air blowing plate 6 is positioned above the upper core box module 3, a triethylamine gas channel 5 is arranged in the air blowing plate 6, a nozzle channel 7 is arranged in the upper core box frame 4 and the upper core box module 3 in a penetrating way, the lower end of the nozzle channel 7 is communicated with the sand core space 13, the upper end of the nozzle channel 7 is communicated with the triethylamine gas channel 5, a transverse exhaust channel 9, a first vertical exhaust channel 8 and a second vertical exhaust channel 10 are arranged in the upper core box module 3, the lower end of the first vertical exhaust channel 8 is communicated with the sand core space 13, and the upper end of the first vertical exhaust channel 8 is communicated with the transverse exhaust channel 9; the second vertical exhaust channel 10 is arranged in the upper core box module 3, the third vertical exhaust channel 11 is arranged in the lower core box module 1 in a penetrating mode, and the second vertical exhaust channel 10 is in butt joint with the third vertical exhaust channel 11 in a penetrating mode.

Specifically, in this embodiment, the lateral exhaust duct 9 may be disposed both within the upper core box module 3 and between the upper core box module 3 and the upper core box frame 4 (as shown in fig. 1). In addition, a vent plug 12 is arranged in the vertical vent channel I8.

The utility model discloses a this kind of structural design makes the gaseous triethylamine only get into psammitolite space 13 through penetrating mouth passageway 7 in, and not directly put through the exhaust passage, has avoided forming the bonding sand phenomenon in the escape canal import, has guaranteed product quality.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An exhaust structure for preventing an upper die of a core box from being stuck on a die comprises an upper core box frame (4), a lower core box frame (2) and an air blowing plate (6), wherein an upper core box module (3) is arranged in the upper core box frame (4), a lower core box module (1) is arranged in the lower core box frame (2), a sand core space (13) is arranged between the upper core box module (3) and the lower core box module (1), the air blowing plate (6) is positioned above the upper core box module (3), a triethylamine gas channel (5) is arranged in the air blowing plate (6), nozzle channels (7) penetrate through the upper core box frame (4) and the upper core box module (3), the lower ends of the nozzle channels (7) are communicated with the sand core space (13), and the upper ends of the nozzle channels (7) are communicated with the triethylamine gas channel (5), and is characterized by further comprising a transverse exhaust channel (9), a vertical exhaust channel I (8), a vertical exhaust channel II (10) and a vertical exhaust channel III (11), the lower end of the first vertical exhaust channel (8) is communicated with the sand core space (13), and the upper end of the first vertical exhaust channel (8) is communicated with the transverse exhaust channel (9); the vertical exhaust channel II (10) is arranged in the upper core box module (3), the vertical exhaust channel III (11) is arranged in the lower core box module (1) in a penetrating mode, and the vertical exhaust channel II (10) is communicated with the vertical exhaust channel III (11) in a butt joint mode.

2. A venting structure for preventing sticking of a mold on a core box according to claim 1, wherein the lateral venting channel (9) is provided in the upper core box module (3).

3. The venting structure for preventing the mold sticking on the core box as claimed in claim 1, wherein the transverse venting channel (9) is provided between the upper core box module (3) and the upper core box frame (4).

4. The venting structure for preventing the upper die of the core box from being stuck in the core box as claimed in claim 1, wherein a venting plug (12) is arranged in the first vertical venting channel (8).