Molding sand cooling device

Abstract

The utility model relates to the technical field of molding sand cooling, in particular to a molding sand cooling device which comprises a pipe body, a first motor and a second motor, the output end of the first motor is fixedly connected with a rotating rod, the interior of the rotating rod is hollow, the second motor is fixed on the inner side face of the rotating rod, and the pipe body is provided with a cavity. According to the device, molding sand located on the auger blades can be fully stirred, the molding sand on the lower layer is raised, cooling of the molding sand is facilitated, the interior of the pipe body is in a cooled state through the conduction effect, the molding sand is cooled through cold air, the cooling effect is good, and the cooling effect is good. And therefore, the high-temperature molding sand is further cooled.

Description

Technical Field

[0001] The utility model relates to the technical field of molding sand cooling, in particular to a molding sand cooling device. Background Art

[0002] Molding sand is a material used for molding in casting. Molding sand is generally made of raw sand for casting, molding sand binder and additives and other molding materials mixed in a certain proportion. Molding sand can be divided into clay sand, water glass sand, cement sand, resin sand, etc. according to the different binders used. Clay sand, water glass sand and resin sand are the most used. The role of molding sand in casting production is extremely important. The casting waste caused by poor quality of molding sand accounts for about 30-50% of the total casting waste. The usual requirements for molding sand are: ① It has high strength and thermal stability to withstand various external forces and high temperatures. ② Good fluidity, that is, the ability of molding sand to move between sand particles under the action of external force or its own gravity. ③ Certain plasticity, that is, the ability of molding sand to deform under the action of external force and maintain the given shape when the external force is removed. ④ Good air permeability, that is, the ability of molding sand pores to pass gas. ⑤ High collapsibility, also known as sand discharge, that is, whether the molding sand is easy to destroy and whether it is easy to remove from the casting after the casting solidifies.

[0003] The main purpose of cooling the sand is to control the temperature during the casting process to ensure the quality of the casting. During the casting process, the sand mold needs to withstand the impact of high-temperature molten metal. If the temperature of the sand mold is too high, it may cause deformation, sintering or cracking of the sand mold material, thereby affecting the molding quality of the casting. Therefore, by lowering the temperature of the sand mold, the sand mold can be effectively protected, its service life can be extended, and the molding quality of the casting can be ensured.

[0004] For example: The Chinese utility model application number: 202321531803.0 is a molding sand cooling device, which includes: a tube body, a rotating shaft, a spiral paddle, a guide ring pipe, a diversion branch pipe, an injection head, a convex fence and a support frame. The tube body is vertically arranged, the rotating shaft is vertically arranged in the middle position of the tube body, the spiral paddle is fixedly connected to the outer surface of the rotating shaft, the guide ring pipe is fixedly connected to the outer surface of the tube body near the lower end, the diversion branch pipe is annularly distributed on the outside of the tube body, the injection heads are equidistantly arranged on the diversion branch pipe, the ends of the injection heads pass through the inner surface of the tube body respectively, the convex fence is fixedly connected to the outer surface of the tube body corresponding to the lower end of the guide ring pipe, the upper surface of the convex fence is in contact with the lower end of the guide ring pipe, and the support frame is fixedly connected to the lower surface of the convex fence. The present application has the effect of being able to evenly cool the high-temperature molding sand, reduce the overall temperature of the molding sand falling into the conveyor belt, and reduce the occurrence of shutdown failures caused by high temperature.

[0005] Although the above-mentioned device can cool the molding sand by spraying cooling water, the above-mentioned device still needs to be improved during use. When cooling the molding sand, the above-mentioned device slows down the descending speed of the molding sand falling from the upper end through the setting of the threaded paddle, and follows the flipping under the rotation of the spiral paddle, and cooperates with the spray heads set in the array to spray evenly. However, the threaded paddle can slow down and transport the molding sand during operation, and the sprayed water cannot cool the molding sand below, and the cooling effect is slow only by spraying water. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a molding sand cooling device.

[0007] The utility model provides a molding sand cooling device comprising: a tube body, a first motor, and a second motor, wherein the output end of the first motor is fixedly connected to a rotating rod, the rotating rod is rotatably connected to the tube body, the interior of the rotating rod is arranged to be hollow, the second motor is fixed to the inner side surface of the rotating rod, the tube body is provided with a cavity, the interior of the tube body is provided with a cooling component, and the output end of the second motor is fixedly connected to a stirring component.

[0008] Preferably, the cooling component includes a spray head, a water inlet pipe, a water tank, and a high-pressure pump. A connecting hole is opened on the inner side surface of the cavity, a water inlet pipe is fixedly connected to the cavity, a spray head is fixedly connected to the side of the water inlet pipe, the spray head passes through the connecting hole, a high-pressure pump is installed inside the water tank, one end of the water inlet pipe is fixedly connected to the output end of the high-pressure pump, and an insulation board is installed on the outer surface of the cavity.

[0009] Preferably, the stirring assembly includes a stirring plate and a support rod, the output end of the second motor is fixedly connected to a driving gear, one side surface of the support rod is fixedly connected to the inner side surface of the rotating rod, the other side surface of the support rod is rotatably connected to the driving gear, the surface of the support rod is provided with a groove, a rotating disk is rotatably connected in the groove, the upper surface of the rotating disk is fixedly connected to a connecting rod, the upper surface of the connecting rod is fixedly connected to a driven gear, the driving gear is meshed with the driven gear, the side of the driven gear away from the support rod is fixedly connected to a fixing rod, and the side of the fixing rod away from the driven gear is fixedly connected to the stirring plate.

[0010] Preferably, the cavity of the tube body is filled with cooling liquid.

[0011] Preferably, a feed hole is provided on the outer surface of the tube body, a feed hopper is fixedly connected to the surface of the feed hole, and a discharge hole is provided on the outer surface of the tube body, a discharge hopper is fixedly connected to the surface of the discharge hole.

[0012] Preferably, the number of the stirring plates is at least one, and the stirring plates are linearly distributed on the outer surface of the rotating rod, and the number of the stirring plates is consistent with that of the supporting rods and the driven gears.

[0013] Preferably, a Jiaolong blade is fixedly connected to the outer surface of the rotating rod.

[0014] Preferably, the number of the connecting holes is at least one and is evenly distributed on the inner side of the cavity, and the number of the spray heads is consistent with the number of the connecting holes.

[0015] Compared with the related art, the sand cooling device provided by the utility model has the following beneficial effects: 1. When cooling the sand, start the first motor, the first motor drives the dragon blades to rotate, pour the high-temperature sand into the feed hopper, the dragon blades drive the sand to be transported, start the second motor, the output end of the second motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear drives the fixed rod to rotate, the fixed rod drives the stirring plate to rotate, the sand on the dragon blades is fully stirred, the sand on the lower layer is lifted up, which is beneficial to the cooling of the sand.

[0016] 2. When cooling the molding sand, start the high-pressure pump and spray the water from the water inlet pipe evenly on the surface of the molding sand through the spray nozzle. The cavity is filled with coolant and a heat insulation board is installed on the surface of the cavity to keep the inside of the tube in a cooling state. The inside of the tube is kept in a cooling state through conduction, and the molding sand is cooled by cold air, thereby further cooling the high-temperature molding sand. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a cross-sectional view of a molding sand cooling device;

[0018] Figure 2 It is a side view of a molding sand cooling device;

[0019] Figure 3 A three-dimensional diagram of a stirring assembly of a molding sand cooling device;

[0020] Figure 4 This is a diagram of the internal structure of a molding sand cooling device.

[0021] Numbers in the figure: 1, tube body; 2, first motor; 3, feed hopper; 4, water tank; 5, discharge hopper; 6, Jiaolong blade; 7, stirring plate; 8, second motor; 9, support rod; 10, driven gear; 11, fixed rod; 12, driving gear; 13, rotating rod. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0024] See also Figures 1 to 4 A molding sand cooling device provided by an embodiment of the utility model includes a tube body 1, a first motor 2, and a second motor 8. The output end of the first motor 2 is fixedly connected to a rotating rod 13, the rotating rod 13 is rotatably connected to the tube body 1, the interior of the rotating rod 13 is set to be hollow, the second motor 8 is fixed to the inner side of the rotating rod 13, the tube body 1 is provided with a cavity, the interior of the tube body 1 is provided with a cooling component, and the output end of the second motor 8 is fixedly connected to a stirring component.

[0025] In this embodiment, the first motor 2 drives the rotating rod 13 to rotate to transport the molding sand. There is a cooling component inside the tube body 1 to cool the molding sand. The output end of the second motor 8 is fixedly connected to a stirring component, which can stir the molding sand so that the molding sand can be evenly cooled.

[0026] The cooling component includes a spray head, a water inlet pipe, a water tank 4, and a high-pressure pump. A connecting hole is opened on the inner side of the cavity, a water inlet pipe is fixedly connected to the cavity, a spray head is fixedly connected to the side of the water inlet pipe, and the spray head passes through the connecting hole. A high-pressure pump is installed inside the water tank 4, one end of the water inlet pipe is fixedly connected to the output end of the high-pressure pump, and an insulation board is installed on the outer surface of the cavity.

[0027] In this embodiment, the high-pressure pump is started, and the high-pressure pump causes the water in the water inlet pipe to be evenly sprayed on the surface of the molding sand through the spray head, which has the effect of cooling the molding sand. The outer surface of the cavity is installed with a heat insulation board, which keeps the interior in a cooling state to prevent the temperature of the cold air inside the pipe body 1 from rising.

[0028] The stirring assembly includes a stirring plate 7 and a support rod 9. The output end of the second motor 8 is fixedly connected to a driving gear 12. One side surface of the support rod 9 is fixedly connected to the inner side surface of a rotating rod 13. The other side surface of the support rod 9 is rotatably connected to the driving gear 12. A groove is provided on the surface of the support rod 9. A rotating disk is rotatably connected in the groove. A connecting rod is fixedly connected to the upper surface of the rotating disk. A driven gear 10 is fixedly connected to the upper surface of the connecting rod. The driving gear 12 is meshed with the driven gear 10. A fixed rod 11 is fixedly connected to the side of the driven gear 10 away from the support rod 9. A stirring plate 7 is fixedly connected to the side of the fixed rod 11 away from the driven gear 10.

[0029] In this embodiment, the second motor 8 is started, and the output end of the second motor 8 drives the driving gear 12 to rotate, the driving gear 12 drives the driven gear 10 to rotate, the driven gear 10 drives the fixed rod 11 to rotate, and the fixed rod 11 drives the stirring plate 7 to rotate, so that the molding sand located on the dragon blade 6 is fully stirred, so that the molding sand on the lower layer is lifted, which is conducive to cooling the molding sand.

[0030] The cavity of the tube body 1 is filled with cooling liquid.

[0031] In this embodiment, the cavity is filled with cooling liquid, so that the inside of the tube body 1 is in a cooling state.

[0032] A feed hole is provided on the outer surface of the tube body 1 , and a feed hopper 3 is fixedly connected to the surface of the feed hole. A discharge hole is provided on the outer surface of the tube body 1 , and a discharge hopper 5 is fixedly connected to the surface of the discharge hole.

[0033] In this embodiment, a feed hole is provided on the outer surface of the tube body 1, and a feed hopper 3 is fixedly connected above the feed hole to facilitate the feeding of molding sand.

[0034] There is at least one stirring plate 7 , which is linearly distributed on the outer surface of the rotating rod 13 . The number of the stirring plates 7 , the number of the supporting rods 9 and the driven gear 10 is the same.

[0035] In this embodiment, there is at least one stirring plate 7, which can stir the molding sand at various positions to fully cool the molding sand.

[0036] The outer surface of the rotating rod 13 is fixedly connected with the dragon blade 6 .

[0037] In this embodiment, the outer surface of the rotating rod 13 is fixedly connected with a dragon blade 6, which can transport the molding sand and prevent it from accumulating at the feed inlet.

[0038] The number of the connecting holes is at least one and is evenly distributed on the inner side of the cavity, and the number of the spray heads is consistent with the number of the connecting holes.

[0039] In this embodiment, the number of the connecting holes is at least one, and the number of the spray heads is consistent with the number of the connecting holes, so that the molding sand at various positions can be sprayed to achieve a cooling effect.

[0040] The specific usage of the device is as follows: start the first motor 2, the first motor 2 drives the dragon blade 6 to rotate, start the second motor 8, the output end of the second motor 8 drives the driving gear 12 to rotate, the driving gear 12 drives the driven gear 10 to rotate, the driven gear 10 drives the fixed rod 11 to rotate, the fixed rod 11 drives the stirring plate 7 to rotate, pour the molding sand from the feed inlet, the molding sand moves through the dragon blade 6, the stirring rod lifts the molding sand on the dragon blade 6, start the high-pressure pump, and spray the water from the water inlet pipe evenly on the surface of the molding sand through the spray head, and transport the molding sand until it falls from the discharge hopper 5.

[0041] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A molding sand cooling device, comprising a tube body (1), a first motor (2), and a second motor (8), characterized in that: The output end of the first motor (2) is fixedly connected to a rotating rod (13), the rotating rod (13) is rotatably connected to the tube body (1), the interior of the rotating rod (13) is arranged to be hollow, the second motor (8) is fixed to the inner side of the rotating rod (13), the tube body (1) is provided with a cavity, a cooling component is arranged inside the tube body (1), and the output end of the second motor (8) is fixedly connected to a stirring component.

2. A molding sand cooling device according to claim 1, characterized in that: The cooling component comprises a spray head, a water inlet pipe, a water tank (4), and a high-pressure pump. A connecting hole is provided on the inner side surface of the cavity. The water inlet pipe is fixedly connected to the cavity. The side surface of the water inlet pipe is fixedly connected to the spray head. The spray head passes through the connecting hole. A high-pressure pump is installed inside the water tank (4). One end of the water inlet pipe is fixedly connected to the output end of the high-pressure pump. A heat insulation board is installed on the outer surface of the cavity.

3. A molding sand cooling device according to claim 1, characterized in that: The stirring assembly comprises a stirring plate (7) and a support rod (9); the output end of the second motor (8) is fixedly connected to a driving gear (12); one side surface of the support rod (9) is fixedly connected to the inner side surface of a rotating rod (13); the other side surface of the support rod (9) is rotatably connected to the driving gear (12); a groove is provided on the surface of the support rod (9); a rotating disk is rotatably connected in the groove; a connecting rod is fixedly connected to the upper surface of the rotating disk; a driven gear (10) is fixedly connected to the upper surface of the connecting rod; the driving gear (12) is meshed with the driven gear (10); a fixed rod (11) is fixedly connected to the side of the driven gear (10) away from the support rod (9); and a stirring plate (7) is fixedly connected to the side of the fixed rod (11) away from the driven gear (10).

4. A molding sand cooling device according to claim 1, characterized in that: The cavity of the tube body (1) is filled with cooling liquid.

5. A molding sand cooling device according to claim 1, characterized in that: The outer surface of the tube body (1) is provided with a feed hole, and the surface of the feed hole is fixedly connected to a feed hopper (3); the outer surface of the tube body (1) is provided with a discharge hole, and the surface of the discharge hole is fixedly connected to a discharge hopper (5).

6. A molding sand cooling device according to claim 3, characterized in that: The number of the stirring plate (7) is at least one, and the stirring plates (7) are linearly distributed on the outer surface of the rotating rod (13). The number of the stirring plates (7) is consistent with that of the supporting rod (9) and the driven gear (10).

7. A molding sand cooling device according to claim 1, characterized in that: The outer surface of the rotating rod (13) is fixedly connected with a dragon blade (6).

8. A molding sand cooling device according to claim 2, characterized in that: The number of the connecting holes is at least one and is evenly distributed on the inner side of the cavity, and the number of the spray heads is consistent with the number of the connecting holes.

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