CN214185179U - Cooling device for horizontally casting brass alloy - Google Patents
Cooling device for horizontally casting brass alloy Download PDFInfo
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- CN214185179U CN214185179U CN202022888537.XU CN202022888537U CN214185179U CN 214185179 U CN214185179 U CN 214185179U CN 202022888537 U CN202022888537 U CN 202022888537U CN 214185179 U CN214185179 U CN 214185179U
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Abstract
The utility model relates to the technical field of brass alloy casting, which adopts the scheme that a cooling device for casting brass alloy by horizontal drawing comprises a stone grinding die, wherein an air-cooled copper sleeve is arranged at a discharge pipe at the right end of the stone grinding die, a water-cooled copper sleeve is arranged at the right end of the air-cooled copper sleeve, the diameter of the water-cooled copper sleeve is larger than that of the air-cooled copper sleeve, the air-cooled copper sleeve is a solid mechanism, a spiral air pipe is arranged in the air-cooled copper sleeve, a right end opening of the spiral air pipe penetrates through the right side of the bottom wall of the air-cooled copper sleeve, and is connected with an air inlet pipe, the utility model can preliminarily cool a brass alloy cast ingot through the arranged air-cooled copper sleeve and a cold air supply structure, the part is cooled mildly, and can carry out secondary cooling on the brass alloy cast ingot through the arranged water-cooled copper sleeve by the cold air supply structure, the part has lower cooling temperature and high cooling speed, and passes through a two-stage cooling mode, the quality of the brass alloy cast ingot can be ensured.
Description
Technical Field
The utility model relates to a brass alloy casting technical field specifically is a cooling device for leading casting brass alloy flatly.
Background
The brass alloy mainly comprises copper-zinc binary alloy and multi-element alloy of copper-zinc added with other elements. The brass alloy has good mechanical property, processing property and corrosion resistance, so that the brass alloy is widely applied to various fields of industry, national defense, agriculture and civil life. Among them, brass tubes are widely used in bathroom, lamp decoration, refrigeration and other industries. At present, a horizontal drawing casting method is adopted to produce brass tubes, one end of a graphite mould is connected with a brass melt in a casting furnace, the molten brass melt enters the graphite mould through a melt inlet under the pressure action of the melt, and the brass melt is nucleated, solidified and separated because the peripheral temperature is far lower than the melting temperature of the brass, and is solidified into a needed cast ingot under the action of a tractor. Water cooling is commonly adopted in the ingot production process for cooling. The heat dissipation during casting is carried out by: the cast metal per se → the ingot skull → the gap between the ingot surface and the copper bush → the outer surface of the copper bush cools water, so the structure and cooling mode of the copper bush directly affect the product quality of the ingot.
At present, in the production process of cast ingots, the surface quality and the internal quality of the cast ingots are influenced due to the unreasonable structure of a cooling device, so that the product quality is unqualified.
Based on this, the scheme designs a cooling device for horizontally drawing cast brass alloy to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cooling device for leading casting brass alloy to solve the problem among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a cooling device for casting brass alloy by horizontal drawing comprises a stone mill die, wherein an air-cooled copper sleeve is arranged at a discharging pipe at the right end of the stone mill die, a water-cooled copper sleeve is arranged at the right end of the air-cooled copper sleeve, the diameter of the water-cooled copper sleeve is larger than that of the air-cooled copper sleeve, the air-cooled copper sleeve is a solid mechanism, a spiral air pipe is arranged in the air-cooled copper sleeve, a right end opening of the spiral air pipe penetrates through the right side of the bottom wall of the air-cooled copper sleeve and is connected with an air inlet pipe, a left end opening of the spiral air pipe penetrates through the left side of the bottom wall of the air-cooled copper sleeve and is connected with an air return pipe, a water inlet pipe is arranged at the right side of the bottom end of the water-cooled copper sleeve, and a water outlet pipe is arranged at the left side of the bottom end of the water-cooled copper sleeve;
the water inlet pipe is connected with a cooling water tank through a heat exchanger, a water pump is arranged on the right side of the top end of the cooling water tank, a water pumping port of the water pump is connected with a water pumping pipe, the water pumping pipe extends into the bottom of an inner cavity of the cooling water tank, and a water outlet of the water pump is connected with the bottom end of the water inlet pipe;
the inner chamber of cooling water tank is provided with the heat exchange tube, the one end of heat exchange tube is passed the cooling water tank left side wall and is connected with the air-supply line, the other end of heat exchange tube passes the cooling water tank left side wall and is connected with the air pump, the air inlet end of air pump is connected with the cold wind case, the cold wind roof portion is connected to the bottom of return air hose.
Preferably, the inner side of the water-cooling copper sleeve is provided with a spiral blade, and a spiral water flow channel is formed between the spiral blade and the water-cooling copper sleeve.
Preferably, a hydraulic valve is arranged on the water outlet pipe.
Preferably, an air flow valve is arranged on the air inlet pipe.
Preferably, the inner walls of the cooling water tank and the cold air box are both provided with heat insulation layers.
Preferably, the heat exchange tube is a U-shaped copper tube.
Preferably, the two groups of long pipe walls of the heat exchange pipe are distributed with convex pipes, and the convex pipes are communicated with the heat exchange pipe.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an air-cooled copper sheathing and the cold wind structure that supplies that set up can carry out the primary cooling to the brass alloy ingot casting, and this partial cooling is comparatively gentle, and through the water-cooled copper sheathing of setting with the cold water structure, can be to the brass alloy ingot casting and then the second grade cooling, this partial cooling temperature is lower, and cooling rate is fast, through the two-stage cooling mode, can guarantee the quality of brass alloy ingot casting.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the heat exchange tube of the present invention.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a cooling device for casting brass alloy by horizontal drawing comprises a stone mill die 1, wherein an air-cooled copper bush 2 is arranged at a discharge pipe at the right end of the stone mill die 1, a water-cooled copper bush 3 is arranged at the right end of the air-cooled copper bush 2, the diameter of the water-cooled copper bush 3 is larger than that of the air-cooled copper bush 2, the air-cooled copper bush 2 is a solid mechanism, a spiral air pipe 4 is arranged in the air-cooled copper bush 2, a right end opening of the spiral air pipe 4 penetrates through the right side of the bottom wall of the air-cooled copper bush 2 and is connected with an air inlet pipe 5, a left end opening of the spiral air pipe 4 penetrates through the left side of the bottom wall of the air-cooled copper bush 2 and is connected with an air return pipe 6, a water;
the water inlet pipe 7 is connected with a cooling water tank 9 through a heat exchanger 12, a water pump 10 is arranged on the right side of the top end of the cooling water tank 9, a water pumping port of the water pump 10 is connected with a water pumping pipe 11, the water pumping pipe 11 extends into the bottom of an inner cavity of the cooling water tank 9, and a water outlet of the water pump 10 is connected with the bottom end of the water inlet pipe 7;
the inner chamber of coolant tank 9 is provided with heat exchange tube 15, the one end of heat exchange tube 15 is passed coolant tank 9 left side wall and is connected with air-supply line 5, the other end of heat exchange tube 15 passes coolant tank 9 left side wall and is connected with air pump 14, the air inlet end of air pump 14 is connected with cold wind box 13, cold wind box 13 top is connected to the bottom of return air 6.
Further, 3 inboards of water-cooling copper sheathing are provided with spiral leaf 31, form spiral rivers passageway between spiral leaf 31 and the water-cooling copper sheathing 3, sustainable the shifting of coolant liquid has guaranteed the intensity of water-cooling copper sheathing heat transfer cooling.
Furthermore, a hydraulic valve 81 is arranged on the water outlet pipe 8 and used for controlling the pressure of the cooling liquid.
Further, an air flow valve 51 is disposed on the air inlet pipe 5 for controlling the pressure of the air flow.
Further, the inner walls of the cooling water tank 9 and the cold air box 13 are both provided with heat preservation layers, so that the influence of external heat on the internal low-temperature state is avoided.
Further, the heat exchange tube 15 is a U-shaped copper tube.
Further, protruding pipes 151 are distributed on the walls of the two groups of long pipes of the heat exchange pipe 15, and the protruding pipes 151 are communicated with the heat exchange pipe 15, so that the heat exchange area is increased, and the air flow heat exchange and cooling effects are improved.
The working principle is as follows: in the device, the electric parts are electrically connected with an external power supply through an external control switch, when the device is used, the air pump 14 blows air, air flow enters the heat exchange tube 15 to exchange heat with external cooling liquid and then cool, cooling air enters the spiral air duct 4 in the air-cooled copper bush 2 through the air inlet tube 5 and exchanges heat with cold air, so that the inner cast ingot entering the air-cooled copper bush 2 is primarily cooled, the cooling temperature in the process is relatively stable and mild, and nucleation and stable shrinkage of a melt are facilitated (after the liquid melt is in contact with a graphite surface, because a skull is formed on the graphite surface by cooling, if high cooling amount is continuously kept, due to the cooling effect, the skull can be obviously shrunk, so that overlarge intermittence can be formed between the surface of the cast ingot and the graphite, the skull of the cast ingot can be slowly grown, and remelting of the inner structure of the cast ingot or air holes can be caused in serious cases);
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The further embodiments of the present invention disclosed above are merely intended to help illustrate the present invention. Further embodiments are not exhaustive and do not limit the utility model to the specific embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A cooling device for casting brass alloy by horizontal drawing, comprising a stone grinding die (1), characterized in that: an air-cooled copper sleeve (2) is arranged at a discharging pipe at the right end of the stone mill die (1), a water-cooled copper sleeve (3) is arranged at the right end of the air-cooled copper sleeve (2), the diameter of the water-cooled copper sleeve (3) is larger than that of the air-cooled copper sleeve (2), the air-cooled copper sleeve (2) is a solid mechanism, a spiral air pipe (4) is arranged in the air-cooled copper sleeve, a right end opening of the spiral air pipe (4) penetrates through the right side of the bottom wall of the air-cooled copper sleeve (2) and is connected with an air inlet pipe (5), a left end opening of the spiral air pipe (4) penetrates through the left side of the bottom wall of the air-cooled copper sleeve (2) and is connected with a return air pipe (6), a water inlet pipe (7) is arranged at the right side of the bottom end of the water-cooled copper sleeve (3), and a water outlet pipe (8) is arranged at the left side of the bottom end of the water-cooled copper sleeve (3);
the water inlet pipe (7) is connected with a cooling water tank (9) through a heat exchanger (12), a water pump (10) is arranged on the right side of the top end of the cooling water tank (9), a water pumping port of the water pump (10) is connected with a water pumping pipe (11), the water pumping pipe (11) extends into the bottom of an inner cavity of the cooling water tank (9), and a water outlet of the water pump (10) is connected with the bottom end of the water inlet pipe (7);
the inner chamber of coolant tank (9) is provided with heat exchange tube (15), the one end of heat exchange tube (15) is passed coolant tank (9) left side wall and is connected with air-supply line (5), the other end of heat exchange tube (15) is passed coolant tank (9) left side wall and is connected with air pump (14), the air inlet end of air pump (14) is connected with cold wind box (13), cold wind box (13) top is connected to the bottom of return air pipe (6).
2. A cooling device for horizontally drawing cast brass alloy in accordance with claim 1, wherein: spiral blades (31) are arranged on the inner side of the water-cooling copper sleeve (3), and spiral water flow channels are formed between the spiral blades (31) and the water-cooling copper sleeve (3).
3. A cooling device for horizontally drawing cast brass alloy in accordance with claim 1, wherein: a hydraulic valve (81) is arranged on the water outlet pipe (8).
4. A cooling device for horizontally drawing cast brass alloy in accordance with claim 1, wherein: an airflow valve (51) is arranged on the air inlet pipe (5).
5. A cooling device for horizontally drawing cast brass alloy in accordance with claim 1, wherein: and heat preservation layers are arranged on the inner walls of the cooling water tank (9) and the cold air box (13).
6. A cooling device for horizontally drawing cast brass alloy in accordance with claim 1, wherein: the heat exchange tube (15) is a U-shaped copper tube.
7. A cooling device for horizontally casting a brass alloy according to claim 6, wherein: the heat exchange tube is characterized in that the walls of two groups of long tubes of the heat exchange tube (15) are distributed with convex tubes (151), and the convex tubes (151) are communicated with the heat exchange tube (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022888537.XU CN214185179U (en) | 2020-12-04 | 2020-12-04 | Cooling device for horizontally casting brass alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022888537.XU CN214185179U (en) | 2020-12-04 | 2020-12-04 | Cooling device for horizontally casting brass alloy |
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| CN214185179U true CN214185179U (en) | 2021-09-14 |
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| CN202022888537.XU Active CN214185179U (en) | 2020-12-04 | 2020-12-04 | Cooling device for horizontally casting brass alloy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115365465A (en) * | 2022-08-22 | 2022-11-22 | 沈阳理工大学 | Cooling device on horizontal continuous casting copper plate strip |
| CN116765359A (en) * | 2023-08-11 | 2023-09-19 | 蓬莱金创精密铸造有限公司 | Cooling equipment for valve casting production |
-
2020
- 2020-12-04 CN CN202022888537.XU patent/CN214185179U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115365465A (en) * | 2022-08-22 | 2022-11-22 | 沈阳理工大学 | Cooling device on horizontal continuous casting copper plate strip |
| CN115365465B (en) * | 2022-08-22 | 2023-10-13 | 沈阳理工大学 | Cooling device on horizontal continuous casting copper plate strip |
| CN116765359A (en) * | 2023-08-11 | 2023-09-19 | 蓬莱金创精密铸造有限公司 | Cooling equipment for valve casting production |
| CN116765359B (en) * | 2023-08-11 | 2023-10-20 | 蓬莱金创精密铸造有限公司 | Cooling equipment for valve casting production |
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