Auxiliary trolley for investment casting practice teaching
By designing an auxiliary trolley for practical teaching of investment casting, high-temperature steam is used to melt the wax model in a closed box, which solves the problem of white smoke pollution in the roasting furnace and improves the teaching environment and the health of teachers and students.
Patent Information
- Application Number
- CN202422755657.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-11-12
AI Technical Summary
The roasting furnace emits a large amount of white smoke during the practical teaching of investment casting, causing environmental pollution and health problems for teachers and students.
An auxiliary trolley for investment casting practical teaching is designed, which includes a handlebar, a frame, a water tank, a faucet, a storage rack, a water tank cover, an electric heating rod and a bent pipe. It is used to melt the wax mold through high-temperature steam in a relatively closed box to reduce white smoke emissions.
It effectively reduces the white smoke emissions from the roasting furnace, improves the teaching environment, avoids symptoms such as dizziness and headaches among teachers and students, and ensures their health.
Smart Images

Figure CN223436268U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to investment casting technical field, concretely relates to an auxiliary trolley for investment casting practice teaching. BACKGROUND
[0002] When the roasting furnace is used to operate the high-temperature roasting of the gypsum shell in the steel cup for investment casting in the investment casting practice teaching, the roasting furnace will discharge a large amount of white smoke into the casting practical training room, which not only causes environmental pollution, but also easily causes the dizziness and headache of teachers and students in the casting practical training room. Therefore, the utility model provides an auxiliary trolley for investment casting practice teaching aiming at the problem. The utility model can melt most of the wax moulds in the gypsum shell in the steel cup through high-temperature steam in the relatively closed box, and flow out of the hole in the bottom of the gypsum shell, so that the roasting furnace basically does not discharge white smoke when the roasting furnace is used to operate the high-temperature roasting of the gypsum shell in the steel cup for investment casting, and the casting practical training room basically reaches the state of no wax smell, which can reduce environmental pollution, avoid the dizziness and headache of teachers and students, and ensure the health of teachers and students. SUMMARY
[0003] The utility model aims at providing an auxiliary trolley for investment casting practice teaching, which comprises a handle, a frame, a water tank, a faucet, a storage rack, a water tank cover, an electric heating rod, a bend pipe and a universal wheel.
[0004] The handle is fixedly connected with the frame, and is used for providing a gripping point when a student or a teacher pushes or pulls the trolley.
[0005] The frame is connected with the water tank and the universal wheel, and is used for bearing the water tank.
[0006] The water tank is connected with the frame, the storage rack, the water tank cover, the electric heating rod and the bend pipe, and is used for storing water needed when steam wax loss occurs.
[0007] Further, the water tank comprises an angle steel and a handle; the angle steel is fixedly connected with the inside of the water tank, and is used for providing support for the storage rack; the handle is fixedly connected with the outside of the water tank, and is used for providing a gripping point when a student or a teacher carries the water tank from the frame; and the bottom plate of the water tank is bent to have a downward slope, and has a drain hole in the middle, and is used for being fixedly connected with the bend pipe.
[0008] The faucet is connected with the bend pipe, and is used for discharging waste water in the water tank after steam wax loss.
[0009] The storage rack is movably connected with the water tank, and is used for placing and fixing the steel cup for investment casting.
[0010] Further, the storage rack has two circular bases; and the circular bases are fixedly connected with the storage rack.
[0011] The water tank cover is movably connected to the water tank and is used for protecting the steel cup used for investment casting and reducing water evaporation and heat loss in the water tank.
[0012] The electric heating rod is fixedly connected to the water tank and is used for continuously heating the water in the water tank.
[0013] The elbow is connected with the water tank and the faucet and is used for conveying the waste water in the water tank after the steam loses wax to the faucet.
[0014] The universal wheels are fixedly connected to the vehicle frame and are used to realize multi-directional movement of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of an auxiliary trolley for investment casting practice teaching proposed by the utility model. Figure One .
[0016] Figure 2 This is a schematic diagram of the structure of an auxiliary trolley for investment casting practice teaching proposed by the utility model. Figure Two .
[0017] Figure 3 This is a schematic diagram of the structure of an auxiliary trolley for investment casting practice teaching proposed by the utility model. Figure Three .
[0018] In the figure: 1. Handlebar; 2. Frame; 3. Water tank; 31. Angle steel; 32. Handle; 33. Bottom plate; 331. Drain hole; 4. Faucet; 5. Storage rack; 51. Round base; 6. Water tank cover; 7. Electric heating rod; 8. Bend pipe; 9. Universal wheel. DETAILED DESCRIPTION
[0019] The specific implementation of the present invention will be further described below with reference to specific drawings.
[0020] like Figures 1 to 3As shown, an auxiliary trolley for investment casting practice teaching comprises: a handlebar (1), a frame (2), a water tank (3), a faucet (4), a storage rack (5), a water tank cover (6), an electric heating rod (7), a curved pipe (8) and a universal wheel (9); the handlebar (1) is fixedly connected to the frame (2) and is used to provide a gripping point for students or teachers when pushing or pulling the trolley; the frame (2) is connected to the water tank (3) and the universal wheel (9) and is used to carry the water tank (3); the water tank (3) is connected to the frame (2), the storage rack (5), the water tank cover (6), the electric heating rod (7) and the curved pipe (8) and is used to store water required during steam loss wax; the faucet (4) and the curved pipe are connected to the water tank (3). (8) is connected to discharge the waste water in the water tank (3) after the steam lost wax; the storage rack (5) is movably connected to the water tank (3) and is used to place and fix the steel cup for investment casting; the water tank cover (6) is movably connected to the water tank (3) and is used to protect the steel cup for investment casting and reduce the evaporation of water and heat loss in the water tank (3); the electric heating rod (7) is fixedly connected to the water tank (3) and is used to continuously heat the water in the water tank (3); the curved pipe (8) is connected to the water tank (3) and the faucet (4) and is used to transport the waste water in the water tank (3) after the steam lost wax to the faucet (4); the universal wheel (9) is fixedly connected to the frame (2) and is used to realize the multi-directional movement of the trolley.
[0021] like Figure 1 As shown, the water tank (3) includes an angle steel (31) and a handle (32); the angle steel (31) is fixedly connected to the inside of the water tank (3) and is used to provide support for the storage rack (5); the handle (32) is fixedly connected to the outside of the water tank (3) and is used to provide a gripping point for students or teachers when carrying the water tank (3) from the frame (2); the bottom plate (33) of the water tank (3) is bent with a downward slope and has a drainage hole (331) in the middle for fixed connection with the elbow (8); the storage rack (5) has two circular bases (51); the circular bases (51) are fixedly connected to the storage rack (5).
[0022] In specific use, after the user pours the plaster slurry into the steel cup for investment casting containing wax patterns, the user pushes the trolley to the gypsum mixer through the handle (1) and the universal wheel (9) at the bottom of the frame (2), removes the water tank cover (6) from the water tank (3), and then places the steel cup for investment casting on the circular base (51) of the rack (5) in the water tank (3) of the trolley, so that the steel cup for investment casting is kept stable when the trolley moves; after the plaster slurry in the steel cup for investment casting solidifies into a gypsum shell, the user removes the steel cup for investment casting from the circular base (51) of the rack (5) in the water tank (3) of the trolley, and then removes the water tank (3) from the frame (2); after the water tank (3) is removed from the frame (2), the user adds water into the water tank (3) of the trolley, and the liquid level is moderate and lower than the height of the angle steel (31) in the water tank (3); after the water is added, the user places the water tank (3) on the frame (2), and the frame (2) has sufficient bearing capacity and durability; after the water tank (3) is placed on the frame (2), the user places the steel cup for investment casting on the circular base (51) of the rack (5) in the water tank (3) of the trolley, so that the steel cup for investment casting is kept stable when the trolley moves; after the steel cup for investment casting is placed, the user places the water tank cover (6) on the water tank (3) to protect the steel cup for investment casting and reduce the evaporation of water and heat loss in the water tank (3); after the water tank cover (6) is placed, the user powers on the electric heating rod (7) to continuously heat the water in the water tank (3), so that most of the wax patterns in the gypsum shell in the steel cup for investment casting are melted by high-temperature steam in the relatively closed box, and flow out of the hole at the bottom of the gypsum shell; after the steam lost wax is completed, the user removes the water tank cover (6) from the water tank (3), and the bottom plate of the water tank (3) is bent downward, so that the water in the water tank (3) is easily drained from the middle drain hole (331); at this time, the user opens the water faucet (4) to drain the water in the water tank (3) through the elbow pipe (8); after the water in the water tank (3) is drained, the user closes the water faucet (4), and pushes the trolley to a suitable position through the handle (1) and the universal wheel (9) at the bottom of the frame (2).
[0023] The preferred embodiments of the present application are described above, and it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concepts described herein by the above teachings or related technologies or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the scope of protection of the appended claims of the present application.
Claims
1. An auxiliary trolley for investment casting practice teaching, characterized by: The invention comprises a handlebar (1), a frame (2), a water tank (3), a faucet (4), a storage rack (5), a water tank cover (6), an electric heating rod (7), a curved pipe (8) and a universal wheel (9); the handlebar (1) is fixedly connected to the frame (2) and is used to provide a gripping point for students or teachers when pushing or pulling the trolley; the frame (2) is connected to the water tank (3) and the universal wheel (9) and is used to carry the water tank (3); the water tank (3) is connected to the frame (2), the storage rack (5), the water tank cover (6), the electric heating rod (7) and the curved pipe (8) and is used to store water required when the steam loses wax; the faucet (4) is connected to the curved pipe (8) and is used to discharge Waste water in the water tank (3) after steam lost wax; the storage rack (5) is movably connected to the water tank (3) and is used to place and fix the steel cup for investment casting; the water tank cover (6) is movably connected to the water tank (3) and is used to protect the steel cup for investment casting and reduce water evaporation and heat loss in the water tank (3); the electric heating rod (7) is fixedly connected to the water tank (3) and is used to continuously heat the water in the water tank (3); the curved pipe (8) is connected to the water tank (3) and the faucet (4) and is used to transport the waste water in the water tank (3) after steam lost wax to the faucet (4); the universal wheel (9) is fixedly connected to the vehicle frame (2) and is used to realize multi-directional movement of the vehicle.
2. The auxiliary trolley for investment casting practice teaching according to claim 1, characterized in that: The water tank (3) comprises an angle steel (31) and a handle (32); the angle steel (31) is fixedly connected to the inside of the water tank (3) and is used to provide support for the storage rack (5); the handle (32) is fixedly connected to the outside of the water tank (3) and is used to provide a gripping point for students or teachers when carrying the water tank (3) from the frame (2); the bottom plate (33) of the water tank (3) is bent with a downward slope and has a drainage hole (331) in the middle for fixed connection with the elbow (8).
3. The auxiliary trolley for investment casting practice teaching according to claim 1, characterized in that: The storage rack (5) has two circular bases (51); the circular bases (51) are fixedly connected to the storage rack (5).