Automatic cooling device for sand core
Through the automatic cooling device composed of a cooling water tower and a PLD controller, the problem of iron sand clamping of castings caused by high temperature of the sand core is solved, and the automatic temperature control of the sand core is realized to ensure the quality of the castings.
Patent Information
- Application Number
- CN202422374271.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-09-29
AI Technical Summary
In the prior art, the sand core melts due to high temperature, resulting in iron sand sand on the outside of the casting, which is difficult to clean, and even leads to the problem of casting scrapping.
The automatic cooling device consisting of a cooling water tower, air pump, intake pipe, outlet pipe, ventilation pipe, No. 1 temperature sensor, No. 2 temperature sensor and PLD controller is used to realize automatic cooling control of the sand core through the air cooling and water cooling system.
The automatic cooling of the sand core is achieved, and the iron sand clamping of the casting appearance is avoided, which meets the customer's requirements for the temperature range and ensures the quality of the casting.
Smart Images
Figure CN223300873U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of casting, in particular to an automatic cooling device for sand cores. Background Art
[0002] With the booming foundry industry, the internal structure of castings is becoming increasingly complex. Many castings are made of sand cores. Currently, many sand cores are thin and long, and when surrounded by hot molten iron, the core temperature rises dramatically. Due to the prolonged high temperatures, the molding sand inside the cores easily melts, resulting in iron inclusions on the surface of the castings. These inclusions are extremely difficult to remove and, in severe cases, can render the casting scrapped. Utility Model Content
[0003] The purpose of this utility model is to address the defects and shortcomings of the existing technology and provide a sand core automatic cooling device with fully automatic operation. The user only needs to set the temperature range of the hot air outlet, and it will automatically adjust to meet customer requirements, providing an effective guarantee for eliminating iron sand inclusions in the appearance of castings caused by excessively high sand core temperatures.
[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: it includes a cooling water tower, an air pump, an air inlet pipe, an air outlet pipe, a ventilation pipe, a No. 1 temperature sensor, a No. 2 temperature sensor and a PLD controller; the upper part of the cooling water tower is connected to the air inlet pipe, and the lower part is connected to the air outlet pipe, and the other end of the air inlet pipe is connected to the air pump; the lower end of the air outlet pipe is connected to the ventilation pipe, and the ventilation pipe is arranged in the sand core; the No. 1 temperature sensor is arranged on the ventilation pipe, and the No. 2 temperature sensor is arranged on the air outlet pipe, and the No. 1 temperature sensor, the No. 2 temperature sensor, the air pump and the water cooling system in the cooling water tower are all electronically connected to the PLD controller.
[0005] Preferably, the first temperature sensor is arranged on one end of the ventilation pipe exposed to the outside of the sand core.
[0006] Preferably, the second temperature sensor is arranged on one end of the air outlet pipe adjacent to the cooling water tower.
[0007] Preferably, the ventilation pipe is a flexible metal hose.
[0008] Compared with the existing technology, the beneficial effects of the present invention are: the present invention provides an automatic sand core cooling device, which is fully automatic in operation. The user only needs to set the temperature range of the hot air outlet, and it will automatically adjust to meet customer requirements, providing an effective guarantee for eliminating iron sand inclusions in the appearance of castings caused by excessively high sand core temperature. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a structural diagram of the present utility model.
[0010] Description of reference numerals:
[0011] Cooling water tower 1, air pump 2, air inlet pipe 3, air outlet pipe 4, ventilation pipe 5, temperature sensor No. 1 6, temperature sensor No. 2 7, PLD controller 8. DETAILED DESCRIPTION
[0012] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples. All other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.
[0013] like Figure 1 As shown, this specific embodiment adopts the following technical scheme: it includes a cooling water tower 1, an air pump 2, an air inlet pipe 3, an air outlet pipe 4, a ventilation pipe 5, a No. 1 temperature sensor 6, a No. 2 temperature sensor 7 and a PLD controller 8; the upper part of the cooling water tower 1 is connected to the air inlet pipe 3, and the lower part is connected to the air outlet pipe 4, and the other end of the air inlet pipe 3 is connected to the air pump 2; the lower end of the air outlet pipe 4 is connected to the ventilation pipe 5, and the ventilation pipe 5 is arranged in the sand core. The ventilation pipe 5 is a flexible metal hose so that it can be bent into different shapes to match sand cores with different cavities; the No. 1 temperature sensor 6 is arranged on the ventilation pipe 5, and is located on the end of the ventilation pipe 5 exposed to the outside of the sand core; the No. 2 temperature sensor 7 is arranged on the air outlet pipe 4, and is located on the end of the air outlet pipe 3 adjacent to the cooling water tower 1; the No. 1 temperature sensor 6, the No. 2 temperature sensor 7, the air pump 2 and the water cooling system in the cooling water tower 1 are all electrically connected to the PLD controller 8.
[0014] When using the present invention, the air is increased by the air pump 2 and then transported to the cooling water tower 1 by the air inlet pipe 3 for cooling. The cooled air is input into the ventilation pipe 5 pre-buried in the sand core through the air outlet pipe 4. When the cold air flows through the hot sand core, it takes away its heat and is discharged from the outlet of the ventilation pipe 5, thereby achieving effective cooling of the sand core; the entire process is automatically and intelligently controlled by the PLD controller 8. The PLD controller 8 will first detect the temperature at the No. 1 temperature sensor 6 in real time. If the temperature is found to be too high (exceeding the required value), the PLD controller 8 will automatically control the air pump 2 to increase the air flow and speed. At the same time, the PLD controller 8 will detect the temperature of the No. 2 temperature sensor 7. If the temperature is found to be too high, the PLD controller 8 will automatically control the water cooling system in the cooling water tower 1 to accelerate the water circulation speed, so that the mud core temperature is kept at a low and reasonable range.
[0015] Compared with the existing technology, the beneficial effects of the present invention are: the present invention provides an automatic sand core cooling device, which is fully automatic in operation. The user only needs to set the temperature range of the hot air outlet, and it will automatically adjust to meet customer requirements, providing an effective guarantee for eliminating iron sand inclusions in the appearance of castings caused by excessively high sand core temperature.
[0016] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.
Claims
1. A sand core automatic cooling device, characterized by: It comprises a cooling water tower (1), an air pump (2), an air inlet pipe (3), an air outlet pipe (4), a vent pipe (5), a No. 1 temperature sensor (6), a No. 2 temperature sensor (7) and a PLD controller (8); the upper portion of the cooling water tower (1) is connected to the air inlet pipe (3), and the lower portion is connected to the air outlet pipe (4); the other end of the air inlet pipe (3) is connected to the air pump (2); the lower end of the air outlet pipe (4) is connected to the vent pipe (5), and the vent pipe (5) is arranged in the sand core; the No. 1 temperature sensor (6) is arranged on the vent pipe (5), and the No. 2 temperature sensor (7) is arranged on the air outlet pipe (4); the No. 1 temperature sensor (6), the No. 2 temperature sensor (7), the air pump (2) and the water cooling system in the cooling water tower (1) are all electrically connected to the PLD controller (8).
2. The automatic sand core cooling device according to claim 1, characterized in that: The first temperature sensor (6) is arranged on one end of the vent pipe (5) that is exposed to the outside of the sand core.
3. The automatic sand core cooling device according to claim 2, characterized in that: The second temperature sensor (7) is arranged on one end of the air outlet pipe (4) adjacent to the cooling water tower (1).
4. The automatic sand core cooling device according to claim 3, characterized in that: The vent pipe (5) is a flexible metal hose.