Sand airing equipment for lost foam casting hammerhead
By designing sand drying equipment for casting hammer heads with a combination system of rotating rollers, conveying belts and air induction fans, the existing sand drying methods are solved, and efficient and energy-saving sand drying effect is achieved.
Patent Information
- Application Number
- CN202422180832.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-09-06
AI Technical Summary
The existing sand drying method is inefficient and easily affected by the weather, occupying a large space in the field, which is not conducive to the effective drying of molded sand.
A sand drying equipment for vanishing mold casting hammer heads is designed, using a rotating roller and conveying belt system, combined with a induced fan for cooling and drying, and using a porous mesh plate for shading and protection.
It improves the drying efficiency of the molded sand, avoids the influence of the weather, saves the space in the field, and facilitates the drying operation of the molded sand.
Smart Images
Figure CN222999628U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of sand drying equipment, in particular to a sand drying equipment for lost foam casting hammers. Background Technique
[0002] Lost foam casting, also known as full-mold casting, is a new casting method in which foam models similar in size and shape to the castings are bonded and combined into a model cluster. After brushing and drying the refractory coating, it is vibrated and molded in dry quartz sand, poured under negative pressure, the model is vaporized, and the liquid metal occupies the position of the model and forms a casting after solidification and cooling.
[0003] Lost foam casting hammers are hammers produced by the lost foam casting process. During the lost foam casting process, a large amount of molding sand is usually used. After casting, this molding sand needs to be cooled and dried for reuse.
[0004] However, most of the existing sand drying methods directly place the molding sand in the open air for natural drying. This method not only has low drying efficiency, but is also easily affected by external factors such as weather. At the same time, it will also occupy a large amount of site space, which is not conducive to drying the molding sand.
[0005] Therefore, we propose a sand drying equipment for lost foam casting hammers. Content of the Utility Model
[0006] The purpose of the utility model is to provide a sand drying equipment for lost foam casting hammers to solve the problems put forward in the above background technique.
[0007] To achieve the above purpose, the utility model provides the following technical solutions:
[0008] A sand drying equipment for lost foam casting hammers includes mounting plates arranged oppositely on both sides. Between the two ends at the bottom of the opposite surfaces of the mounting plates, rotating rollers are rotatably installed together. A conveyor belt is sleeved and installed together between the outer sides of the rotating rollers. Blocks are fixed on both sides of the outer side of the conveyor belt. A fixing plate is fixedly installed together between the upper surfaces of the mounting plates. A plurality of blocking rods are fixedly arranged at intervals along the horizontal direction at one end of the lower surface of the fixing plate. The lower ends of the blocking rods are in contact with the corresponding positions on the upper side of the conveyor belt. A plurality of fixing cylinders are fixedly arranged at intervals along the horizontal direction in the middle of the upper surface of the fixing plate. A plurality of second retaining holes are spaced apart on the inner ring surface of the fixing plate corresponding to the fixing cylinders. Exhaust fans are installed in the fixing cylinders.
[0009] As a further scheme of the utility model: the second retaining holes all penetrate the upper surface and the lower surface of the corresponding position on the fixing plate, the air outlet direction of the exhaust fan is downward, and fixing rods are fixedly arranged in the middle of the peripheral surfaces of the exhaust fans.
[0010] By adopting the above technical solution: the setting of the fixed rod can fix and limit the induced draft fan, which is convenient for the stable use of the induced draft fan.
[0011] As a further solution of the present utility model: the fixed rods are all in a horizontal state, and one ends of the fixed rods far away from the induced draft fan are fixedly connected to the corresponding positions on the inner ring surface of the fixed cylinder, and second porous mesh plates are fixedly arranged on the tops of the inner ring surfaces of the fixed cylinders.
[0012] By adopting the above technical solution: the setting of the second porous mesh plate can block and protect the inside of the fixed cylinder.
[0013] As a further solution of the present utility model: a plurality of first retention holes are arranged at intervals along the horizontal direction in the middle of the upper side of the mounting plate, and first porous mesh plates are fixedly arranged on the sides of the first retention holes on the mounting plate away from the conveyor belt.
[0014] By adopting the above technical solution: the setting of the first porous mesh plate can block and protect the inside of the first retention holes on the mounting plate.
[0015] As a further solution of the present utility model: rotating rods are installed in the middles of the rotating rollers, the rotating rods penetrate through the two end surfaces of the middles of the corresponding rotating rollers, and both ends of the rotating rods penetrate through the two side surfaces of the corresponding positions on the corresponding mounting plates.
[0016] By adopting the above technical solution: the setting of the rotating rod helps to rotate and limit the rotating roller.
[0017] As a further solution of the present utility model: the rotating rods are all in a horizontal state, and both ends of the outer ring surfaces of the rotating rods are rotatably connected to the corresponding positions on the corresponding mounting plates through bearings.
[0018] By adopting the above technical solution: the setting of the mounting plate can limit the rotating rod, which is convenient for the use of the rotating rod.
[0019] As a further solution of the present utility model: a rotating motor is installed at one end of the bottom surface of the mounting plate on one side far away from the conveyor belt corresponding to the rotating rod, and the output shaft of the rotating motor faces the rotating rod and is fixedly connected to the opposite end on the corresponding rotating rod.
[0020] By adopting the above technical solution: the setting of the rotating motor helps to drive the rotating rod to rotate.
[0021] As a further solution of the present utility model: support blocks are fixedly arranged at both ends and the middle of the lower surface of the mounting plate, a support frame is fixedly connected between the lower end surfaces of the support blocks, and support legs are fixedly arranged at the four corners of the lower surface of the support frame.
[0022] By adopting the above technical solution: the provision of the support legs can support and limit the support frame, facilitating the stable use of the support frame.
[0023] Compared with the prior art, the beneficial effects of the present utility model are:
[0024] In the present utility model, the induced draft fan can form an air flow with the extracted air and blow it to the molding sand on the conveyor belt through the second retention holes on the fixed cylinder and the fixing plate, so as to facilitate the cooling and drying of the molding sand on the conveyor belt. During use, it can conveniently cool and dry the used molding sand, facilitating the sand drying of the used molding sand, helping to ensure the working efficiency of sand drying for the used molding sand, and the sand drying of the used molding sand will not be affected by the weather. When drying the used molding sand, it helps to save the required site space and facilitates the sand drying of the molding sand.
[0025] 2. In the present utility model, when the rotating roller rotates, it can drive the conveyor belt to rotate. When the conveyor belt rotates, it can convey the molding sand on the upper side. The blocks on the conveyor belt can block and limit both sides of the molding sand, facilitating the stable conveyance of the molding sand, enabling the molding sand on the upper side of the conveyor belt to move between the blocking rods. The lower ends of the blocking rods can turn over the molding sand, and the lower ends of the blocking rods can block the agglomerated molding sand, so as to facilitate the screening and filtering of the agglomerated molding sand. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 is a schematic structural view of the present utility model;
[0027] Figure 2 is a schematic structural view of the fixed cylinder of the present utility model;
[0028] Figure 3 is a schematic structural view of the rotating rod of the present utility model;
[0029] Figure 4 is a schematic structural view of the mounting plate of the present utility model.
[0030] In the figure: 1, mounting plate; 2, fixing plate; 3, rotating rod; 4, rotating roller; 5, conveyor belt; 6, block; 7, rotating motor; 8, first retention hole; 9, second retention hole; 10, fixed cylinder; 11, first multi-hole mesh plate; 12, second multi-hole mesh plate; 13, induced draft fan; 14, fixed rod; 15, support block; 16, support frame; 17, support leg; 18, blocking rod. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.
[0032] Please refer to Figures 1 to 4 , in the embodiment of the present utility model, a sand drying device for a lost foam casting hammer head includes mounting plates 1 arranged oppositely on both sides. Between the two ends of the bottom of the opposite surfaces of the mounting plates 1, rotating rollers 4 are jointly and rotatably mounted. A conveyor belt 5 is jointly sleeved outside the rotating rollers 4. Blocks 6 are fixed on both sides of the outside of the conveyor belt 5. A fixing plate 2 is jointly fixed between the upper surfaces of the mounting plates 1. A plurality of blocking rods 18 are fixedly arranged at intervals in the horizontal direction at one end of the lower surface of the fixing plate 2. The lower ends of the blocking rods 18 are in contact with the corresponding positions on the upper side of the conveyor belt 5. A plurality of fixing cylinders 10 are fixedly arranged at intervals in the horizontal direction in the middle of the upper surface of the fixing plate 2. A plurality of second retaining holes 9 are spaced apart on the inner ring surface of the fixing plate 2 corresponding to the fixing cylinders 10. An air extractor 13 is installed in each of the fixing cylinders 10. The air extractor 13 can form an air flow by extracting air and blow it to the molding sand on the conveyor belt 5 through the fixing cylinders 10 and the second retaining holes 9 on the fixing plate 2, so as to cool and dry the molding sand on the conveyor belt 5. When in use, it can conveniently cool and dry the used molding sand, facilitate the sand drying of the used molding sand, help ensure the working efficiency of sand drying of the used molding sand, the sand drying of the used molding sand is not affected by the weather, and it helps save the site space required for sand drying of the used molding sand and facilitate the sand drying of the molding sand.
[0033] Among them, the second retaining holes 9 penetrate through the upper surface and the lower surface of the corresponding positions on the fixing plate 2. The air outlet direction of the air extractor 13 is downward. Fixing rods 14 are fixed in the middle of the peripheral surfaces of the air extractor 13. The fixing rods 14 can fix and limit the air extractor 13, facilitating the stable use of the air extractor 13; the fixing rods 14 are all in a horizontal state, and the ends of the fixing rods 14 away from the air extractor 13 are fixedly connected to the corresponding positions on the inner ring surface of the fixing cylinder 10. Second porous mesh plates 12 are fixed at the tops of the inner ring surfaces of the fixing cylinders 10. The second porous mesh plates 12 can block and protect the inside of the fixing cylinders 10.
[0034] In the middle of the upper side of the mounting plate 1, a number of first retaining holes 8 are arranged at intervals in the horizontal direction. On the mounting plate 1, on the side of the first retaining holes 8 away from the conveyor belt 5, a first porous mesh plate 11 is fixed. The first porous mesh plate 11 can block and protect the inside of the first retaining holes 8 on the mounting plate 1. In the middle of the rotating rollers 4, rotating rods 3 are installed. The rotating rods 3 penetrate through both ends of the corresponding rotating rollers 4 in the middle. Both ends of the rotating rods 3 penetrate through both sides of the corresponding positions on the mounting plate 1. The rotating rods 3 help to rotate and limit the rotating rollers 4. The rotating rods 3 are all in a horizontal state. Both ends of the outer ring surface of the rotating rods 3 are rotatably connected to the corresponding positions on the mounting plate 1 through bearings. The mounting plate 1 can limit the rotating rods 3, facilitating the use of the rotating rods 3.
[0035] At one end of the bottom surface of the mounting plate 1 on one side, away from the conveyor belt 5, a rotating motor 7 is installed corresponding to the rotating rod 3. The output shaft of the rotating motor 7 faces the rotating rod 3 and is fixedly connected to the opposite end of the corresponding rotating rod 3. The rotating motor 7 helps to drive the rotating rod 3 to rotate. At both ends and in the middle of the lower surface of the mounting plate 1, support blocks 15 are fixed. A support frame 16 is jointly fixed between the lower end surfaces of the support blocks 15. At the four corners of the lower surface of the support frame 16, support legs 17 are fixed. The support legs 17 can support and limit the support frame 16, facilitating the stable use of the support frame 16.
[0036] The working principle of the present utility model is as follows: During use, the support legs 17 are stably placed at the position where they need to be used, which helps to stably use the support legs 17. The support legs 17 can support and limit the support frame 16, facilitating the stable use of the support frame 16. The support frame 16 can support and limit the support blocks 15, which helps to stably use the support blocks 15. The support blocks 15 can support and limit the mounting plate 1 and various components assembled on the mounting plate 1, facilitating the stable use of the mounting plate 1 and various components assembled on the mounting plate 1. The mounting plate 1 can support and limit the fixing plate 2 and various components assembled on the fixing plate 2, which helps to stably use the fixing plate 2 and various components assembled on the fixing plate 2.
[0037] Send the molding sand that needs to be air-dried from the outside to one end of the upper side of the conveyor belt 5 near the stop rod 18. Further, turn on the rotating motor 7 on the mounting plate 1. The mounting plate 1 can fix and limit the rotating motor 7, facilitating the stable use of the rotating motor 7. In the state where the rotating motor 7 is turned on, the output shaft of the rotating motor 7 can drive the rotating rod 3 to rotate. When the rotating rod 3 rotates, it can drive the rotating roller 4 to rotate. The mounting plate 1 can limit the rotating roller 4 through the rotating rod 3, helping to stably rotate the rotating roller 4. When the rotating roller 4 rotates, it can drive the conveyor belt 5 to rotate. When the conveyor belt 5 rotates, it can convey the molding sand on the upper side. The stoppers 6 on the conveyor belt 5 can block and limit both sides of the molding sand, facilitating the stable conveyance of the molding sand, enabling the molding sand on the upper side of the conveyor belt 5 to move between the stop rods 18. The lower end of the stop rod 18 can turn over the molding sand, and the lower ends of the stop rods 18 can block the agglomerated molding sand, so as to screen and filter the agglomerated molding sand.
[0038] When the molding sand turned over by the stop rod 18 passes below the second retention hole 9 on the fixing plate 2, turn on the air extractor 13 on the fixing rod 14. The fixing cylinder 10 can fix and limit the air extractor 13 through the fixing rod 14, helping to stably use the air extractor 13. In the state where the air extractor 13 is turned on, the air extractor 13 can extract the outside air through the fixing cylinder 10 and the second perforated mesh plate 12. The second perforated mesh plate 12 can block and protect the inside of the fixing cylinder 10, preventing dirt or foreign objects from entering the fixing cylinder 10 and affecting the use. The air extractor 13 can form an air flow with the extracted air and blow it through the fixing cylinder 10 and the second retention hole 9 on the fixing plate 2 to the molding sand on the conveyor belt 5, so as to cool and air-dry the molding sand on the conveyor belt 5, air-dry the molding sand, and correspond the equipment for collecting the molding sand from the outside to one end of the conveyor belt 5 away from the stop rod 18. The conveyor belt 5 can convey the air-dried molding sand to the equipment for collecting the molding sand from the outside to collect the air-dried molding sand.
[0039] During the use process, it is convenient to cool and air-dry the used molding sand, facilitating the air-drying of the used molding sand, helping to ensure the working efficiency of air-drying the used molding sand. The air-drying of the used molding sand is not affected by the weather, and it helps to save the occupied site space when air-drying the used molding sand, facilitating the air-drying of the molding sand.
[0040] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.
Claims
1. A sand drying device for a hammer head of lost foam casting, comprising mounting plates (1) arranged opposite to each other on both sides, characterized in that: A rotating roller (4) is rotatably mounted between the two ends of the bottom of the opposite surfaces of the mounting plate (1), a conveying belt (5) is sleeved and mounted between the outer sides of the rotating roller (4), and a stopper (6) is fixed to both sides of the outer sides of the conveying belt (5). A fixing plate (2) is fixed between the upper surfaces of the mounting plates (1), a plurality of stop rods (18) are fixed at intervals along the horizontal direction at one end of the lower surface of the fixing plate (2), and the lower ends of the stop rods (18) are in contact with corresponding positions on the upper side of the conveying belt (5), a plurality of fixing cylinders (10) are fixed at intervals along the horizontal direction at the middle of the upper surface of the fixing plate (2), a plurality of second retention holes (9) are spaced apart on the inner annular surface of the fixing plate (2) corresponding to the fixing cylinder (10), and an induced draft fan (13) is installed in each of the fixing cylinders (10).
2. The sand drying equipment for lost foam casting hammer head according to claim 1, characterized in that: The second retention holes (9) penetrate the upper surface and the lower surface at corresponding positions on the fixing plate (2), the air outlet direction of the induced draft fan (13) faces downward, and fixing rods (14) are fixed in the middle of the surrounding surfaces of the induced draft fan (13).
3. The sand drying equipment for lost foam casting hammer head according to claim 2, characterized in that: The fixing rods (14) are all in a horizontal state, and the ends of the fixing rods (14) away from the induced draft fan (13) are fixedly connected to corresponding positions on the inner annular surface of the fixing cylinder (10), and the top of the inner annular surface of the fixing cylinder (10) is fixed with a second porous mesh plate (12).
4. The sand drying equipment for lost foam casting hammer head according to claim 3, characterized in that: A plurality of first retention holes (8) are provided in the middle of the upper side of the installation plate (1) at intervals in the horizontal direction, and a first porous mesh plate (11) is fixed to the side of the installation plate (1) located in the first retention holes (8) away from the conveyor belt (5).
5. The sand drying equipment for lost foam casting hammer head according to claim 4, characterized in that: The middle of each rotating roller (4) is provided with a rotating rod (3), the rotating rod (3) penetrates the two end surfaces of the middle of the corresponding rotating roller (4), and the two ends of the rotating rod (3) penetrate the two side surfaces of the corresponding positions on the corresponding mounting plate (1).
6. The sand drying equipment for lost foam casting hammer head according to claim 5, characterized in that: The rotating rods (3) are all in a horizontal state, and both ends of the outer ring surface of the rotating rods (3) are rotatably connected to corresponding positions on the corresponding mounting plates (1) via bearings.
7. The sand drying equipment for lost foam casting hammer head according to claim 6, characterized in that: A rotating motor (7) is installed at one end of the bottom of the surface of the mounting plate (1) on one side away from the conveyor belt (5) corresponding to the rotating rod (3), and the output shaft of the rotating motor (7) faces the rotating rod (3) and is fixedly connected to the opposite end on the corresponding rotating rod (3).
8. The sand drying equipment for lost foam casting hammer head according to claim 7, characterized in that: Support blocks (15) are fixed at both ends and the middle of the lower surface of the mounting plate (1), a support frame (16) is fixed between the lower end surfaces of the support blocks (15), and support legs (17) are fixed at the four corners of the lower surface of the support frame (16).