Humidifying and stirring device for green sand for casting
By designing a humidifying and mixing device in the wet sand processing system, the uniform reduction of sand temperature and dynamic control of water addition were achieved, solving the problems of excessively high sand temperature and equipment blockage, and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202520502751.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-20
AI Technical Summary
Traditional wet sand processing systems suffer from problems such as excessively high sand temperature, uneven water addition, and easy equipment blockage, which affect production efficiency and product quality.
Design a wet sand humidification and stirring device for casting, set between a bidirectional feeding belt and a fluidized bed, including a drive unit, a gear unit, an active stirring assembly, a driven stirring assembly, a shell, a water adding device, and a base. The stirring device fully mixes water with sand, and the water adding device is placed before the sand to avoid equipment blockage. Temperature and humidity sensors are used for dynamic water adding control.
It effectively reduces sand temperature, improves cooling efficiency, solves casting defects caused by excessively high sand temperature, reduces resource waste, improves equipment intelligence, and avoids equipment blockage.
Smart Images
Figure CN223718249U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to foundry technology field, concretely relates to a kind of wet sand humidification stirring device for casting. BACKGROUND
[0002] In foundry production, the treatment of wet sand is crucial to product quality. The traditional sand treatment system has problems such as high sand temperature, poor cooling effect, uneven water addition, etc., resulting in defects such as sand strength reduction, sand inclusion, and sand eye. In the prior art, the water addition method of the boiling cooling bed is prone to cause equipment blockage, affecting production efficiency. Therefore, there is an urgent need for a wet sand humidification stirring device that can effectively reduce sand temperature and uniformly add water. SUMMARY
[0003] The utility model aims at overcoming the defects in the prior art, providing a wet sand humidification stirring device for casting, which solves the problems of high sand temperature, uneven water addition, and easy blockage of equipment in the prior art.
[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a wet sand humidification stirring device for casting is arranged between a bidirectional feeding belt and a boiling cooling bed. The humidification stirring device includes a driving device, a gear device, a driving stirring assembly, a driven stirring assembly, a housing, a water adding device, and a base. The base is a long rectangular platform composed of an I-beam welded together. The driving device, the gear device, the driving stirring assembly, and the driven stirring assembly are sequentially fixed and installed on the base from front to back. The housing covers the outer periphery of the driving stirring assembly and the driven stirring assembly. The water adding device is installed on the inner side of the top surface of the housing. The front side of the top surface of the housing is provided with a feeding port, and the rear side of the bottom surface of the housing is provided with a discharging port. The feeding port is located directly below the end of the bidirectional feeding belt, and the discharging port is located directly above the front end of the boiling cooling bed. The driving shaft of the driving device is connected with a first gear of the gear device. A second gear of the gear device is engaged with the first gear. The first gear is axially connected with the driving stirring assembly, and the second gear is axially connected with the driven stirring assembly. The driving stirring assembly includes a driving shaft and blades. A plurality of shaft sleeves are fixed on the driving shaft in the axial direction. At least three blades are installed on each shaft sleeve in a circumferential direction. The blades are arranged at an angle. The driven stirring assembly includes a driven shaft and blades. A plurality of shaft sleeves are fixed on the driven shaft in the axial direction. At least three blades are installed on each shaft sleeve in a circumferential direction. The blades are arranged at an angle. The blades of the driving stirring assembly and the driven stirring assembly are located inside the housing, and the blades as a whole are arranged at a helical angle to convey the sand from front to back to the boiling cooling bed.
[0005] Further optimization is made by providing a sand detection probe on the bidirectional feeding belt at the front of the device. When there is no sand on the belt, the water adding device automatically stops working.
[0006] Further optimization, the temperature and humidity sensing probe is arranged on the two-way feeding belt at the front of the device and the conveying belt of the rear boiling cooling bed, and the temperature and humidity of the sand are monitored in real time.
[0007] Further optimization, the water adding device at least includes a water tank, a water pump, a valve and a nozzle, the water in the water tank is atomized and sprayed out through the nozzle by opening the valve and the water pump working, the nozzle is arranged at the rear side of the feeding port, two rows are arranged along the width direction of the top surface of the shell, the front and rear two rows of nozzles are arranged along a zigzag line, and the valve adjusts the water quantity according to the monitoring data of the temperature and humidity sensing probe.
[0008] Compared with the prior art, the beneficial effects of the present application are as follows: the water adding device is arranged in front, which avoids the problem of blockage caused by too much water in the boiling cooling bed, and the moisture and sand are fully mixed through the stirring device, the cooling efficiency is improved, the sand temperature is effectively reduced, various casting defects caused by high sand temperature are solved. In addition, the dynamic water adding and automatic stopping functions improve the intelligent level of the equipment and reduce the waste of resources. BRIEF DESCRIPTION OF DRAWINGS
[0009] Fig. 1 It is a top view structural schematic diagram of the wet sand humidifying and stirring device for casting.
[0010] Fig. 2 It is a front view structural schematic diagram of the wet sand humidifying and stirring device for casting.
[0011] Fig. 3 It is a side view sectional structural schematic diagram of the wet sand humidifying and stirring device for casting.
[0012] Marked in the figure: 1-driving device, 2-gear device, 3-main stirring assembly, 4-driven stirring assembly, 5-housing, 6-water adding device, 7-base, 501-feeding port, 502-discharging port. DETAILED DESCRIPTION
[0013] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. The front side of the present application refers to the side of the driving device 1, and the corresponding rear side refers to the side of the discharging port 502; the top and the bottom are defined along the height direction of the device.
[0014] As Figs. 1 to 3The utility model provides a kind of wet sand humidification stirring device for casting, and the wet sand humidification stirring device is arranged between bidirectional feeding belt and boiling cooling bed, and the wet sand humidification stirring device includes driving device 1, gear device 2, active stirring assembly 3, driven stirring assembly 4, shell 5, water adding device 6 and base 7, base 7 is the long rectangle platform of I-steel welding, driving device 1, gear device 2 and parallel active stirring assembly 3 and driven stirring assembly 4 are sequentially fixed and installed from front to back on base 7, shell 5 is covered in the outer periphery of active stirring assembly 3 and driven stirring assembly 4, water adding device 6 is installed on the inside of the top surface of shell 5, the front side of the top surface of shell 5 is equipped with feed inlet 501, and the rear side of the bottom surface of shell 5 is equipped with discharge port, feed inlet 501 is located directly below the end of bidirectional feeding belt, and discharge port 502 is located directly above the front end of boiling cooling bed. Sand detection probe is provided on the bidirectional feeding belt in the front part of the device, and the water adding device 6 automatically stops working when there is no sand on the bidirectional feeding belt. Temperature and humidity sensing probe is provided on the bidirectional feeding belt in the front part of the device and the conveying belt of boiling cooling bed in the rear part, to monitor the temperature and humidity of sand in real time, and the water adding amount is dynamically adjusted according to sand temperature and sand humidity.
[0015] Driving device 1 is driving motor, gear device 2 includes first gear and second gear engaged with each other, the first gear of gear device 2 is connected on the driving shaft of driving motor, the first gear is axially butt-jointed with active stirring assembly 3, active stirring assembly 3 is rotated by driving driving device 1, the second gear is axially butt-jointed with driven stirring assembly 4, the second gear is reversely rotated by the first gear to drive driven stirring assembly 4 to reversely rotate relative to active stirring assembly 3, active stirring assembly 3 includes driving shaft and blade, a plurality of shaft sleeves are fixed on the driving shaft in axial direction, at least three blades are installed on each shaft sleeve in circumferential direction, and the blades are arranged according to angle, driven stirring assembly 4 includes driven shaft and blade, a plurality of shaft sleeves are fixed on the driven shaft in axial direction, at least three blades are installed on each shaft sleeve in circumferential direction, and the blades are arranged according to angle, the blades of active stirring assembly and driven stirring assembly are located inside shell, and the blades are arranged according to spiral angle, which is similar to a blade type screw conveyor, to transmit sand from front to rear to boiling cooling bed.
[0016] Water adding device 6 at least includes water tank, water pump, valve and nozzle, water in water tank is atomized and sprayed out through nozzle by opening valve and water pump working, nozzle is arranged at rear side of feed inlet, two rows are arranged along the width direction of shell top surface, front and rear two rows of nozzles are arranged along zigzag line, and valve adjusts water amount according to monitoring data of temperature and humidity sensing probe.
[0017] The sand enters the device through the inlet 501 above the shell 5, is turned and advanced under the driving of the driving stirring assembly 3 and the driven stirring assembly 4, and is atomized and watered by the water adding device 6, the water adding amount being dynamically adjusted according to the feedback of the sand temperature and humidity sensing probe, so that the sand is uniformly humidified, and the humidified and stirred mixed sand is output from the discharge port 502 to the boiling cooling bed.
[0018] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A wet sand moistening and mixing device for foundry use, characterized by: The humidifying and stirring device is arranged between the bidirectional feeding belt and the boiling cooling bed, and comprises a driving device, a gear device, a driving stirring assembly, a driven stirring assembly, a shell, a water adding device and a base. The base is a rectangular platform formed by welding an I-shaped steel. The driving device, the gear device, the driving stirring assembly and the driven stirring assembly are sequentially fixed and installed on the base from front to back. The shell covers the outer periphery of the driving stirring assembly and the driven stirring assembly. The water adding device is installed on the inner side of the top surface of the shell. The front side of the top surface of the shell is provided with a feeding port. The rear side of the bottom surface of the shell is provided with a discharging port. The feeding port is located directly below the end of the bidirectional feeding belt. The discharging port is located directly above the front end of the boiling cooling bed. The driving shaft of the driving device is connected with a first gear of the gear device. A second gear of the gear device is engaged with the first gear. The first gear is axially connected with the driving stirring assembly. The second gear is axially connected with the driven stirring assembly. The driving stirring assembly comprises a driving shaft and blades. A plurality of shaft sleeves are fixed on the driving shaft in the axial direction. At least three blades are installed on each shaft sleeve in a circumferential direction. The blades are arranged at angles. The driven stirring assembly comprises a driven shaft and blades. A plurality of shaft sleeves are fixed on the driven shaft in the axial direction. At least three blades are installed on each shaft sleeve in a circumferential direction. The blades are arranged at angles. The blades of the driving stirring assembly and the driven stirring assembly are located inside the shell. The blades are arranged at helical angles to transmit the sand from front to back to the boiling cooling bed.
2. The wet sand conditioning and mixing apparatus for foundry use according to claim 1, wherein: A sand detection probe is arranged on the bidirectional feeding belt at the front of the device. When there is no sand on the belt, the water adding device automatically stops working.
3. The wet sand conditioning and mixing apparatus for foundry use according to claim 1, wherein: Temperature and humidity sensing probes are arranged on the bidirectional feeding belt at the front of the device and the conveying belt of the boiling cooling bed at the rear. The temperature and humidity of the sand are monitored in real time.
4. The wet sand conditioning and mixing apparatus for foundry use according to claim 3, wherein: The water adding device comprises at least a water tank, a water pump, a valve and a nozzle. When the valve is opened, the water pump works to atomize and spray the water in the water tank through the nozzle. The nozzle is arranged at the rear side of the feeding port and arranged in two rows along the width direction of the top surface of the shell. The two rows of nozzles are arranged along a zigzag line. The valve adjusts the water quantity according to the monitoring data of the temperature and humidity sensing probes.