Foundry sand grinding machine for casting
By introducing components such as crushing boxes, rotating shafts, milling wheels and rotating motors into the casting sand grinder, the problems of preliminary crushing and screening of stones are solved, and efficient crushing and screening of stones are achieved, and the grinding effect is improved.
Patent Information
- Application Number
- CN202422071414.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-08-26
AI Technical Summary
The existing casting sand grinder cannot effectively perform preliminary crushing and screening of stones, resulting in large particles of stones, affecting the subsequent grinding effect.
A casting sand grinder is designed, including a crushing box, a rotating shaft, a grinding wheel, a rotating motor and a transport twisting dragon. The crushing, filtering and transportation of stones is achieved through motor drive, and the secondary crushing and grinding is performed with the grinding cylinder and grinding roller.
It realizes efficient crushing and screening of stones, improves grinding efficiency, and ensures that the particle size of the cast sand meets the requirements.
Smart Images
Figure CN223055708U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of casting processing, and more specifically, it relates to a grinding machine for casting sand used in casting. Background Technique
[0002] Casting sand is a granular refractory material used to prepare molding sand and core sand in casting production. Natural casting sand needs to crush stones during the processing, and then use a grinding machine to grind the crushed stones into fine-grained casting sand.
[0003] However, when some existing grinding machines for casting sand are in use, they cannot initially crush and screen stones. The stone particles are relatively large, which easily affects subsequent grinding. Therefore, in view of the above problems, a grinding machine for casting sand used in casting is specifically proposed. Content of the Utility Model
[0004] (1) Technical Problems to be Solved
[0005] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a grinding machine for casting sand used in casting, which has the functions of crushing and screening, and is convenient for people to crush and screen stones.
[0006] (2) Technical Solutions
[0007] To achieve the above purpose, the utility model provides a grinding machine for casting sand used in casting, including a crushing box. The top of the crushing box is fixedly connected with a feeding hopper. The side of the crushing box is fixedly connected with a fixed shell. The inner side of the crushing box is rotatably connected with a rotating shaft through a bearing. The surface of the rotating shaft is fixedly connected with a grinding wheel. One end of the rotating shaft rotates through the crushing box and is fixedly connected with a gear. The two gears mesh with each other. The inner side of the fixed shell is fixedly connected with a first rotating motor. The output end of the first rotating motor is fixedly connected to one end of the rotating shaft. The inner side of the crushing box is movably connected with a filter plate through a pin shaft. Both opposite sides of the crushing box are fixedly connected with a second rotating motor. The output end of the second rotating motor rotates through the crushing box and is fixedly connected with a cam. The surface of the cam abuts against the bottom of the filter plate. The side of the crushing box and the side of the feeding hopper are fixedly connected with a U-shaped conveying pipe. The side of the U-shaped conveying pipe adjacent to the crushing box is provided with an inlet and an outlet. The inlet is opened at the bottom of the two grinding wheels, and the outlet is opened at the side of the feeding port. The top of the U-shaped conveying pipe is fixedly connected with a first conveying motor. The output end of the first conveying motor rotates through the U-shaped conveying pipe and is fixedly connected with a first conveying auger.
[0008] When using a casting sand grinding machine adopting this technical solution, by setting a first rotating motor, a second rotating motor and a first conveying motor, when the first rotating motor operates, the stones can be crushed, when the second rotating motor operates, the stones can be filtered, and when the first conveying auger rotates, the filtered stones can be conveyed from bottom to top and flow out from the outlet for secondary crushing, thus facilitating people to crush and screen the stones.
[0009] Further, a groove is formed at the bottom of the crushing box, and a second conveying motor is fixedly connected to the side surface of the crushing box.
[0010] Further, the output end of the second conveying motor rotates through the crushing box and is fixedly connected to a second conveying auger. The second conveying auger is located in the groove, and a grinding cylinder is fixedly connected to the side surface of the crushing box.
[0011] Further, through holes are formed in the side surface of the grinding cylinder and the groove.
[0012] Further, a grinding motor is fixedly connected to the top of the grinding cylinder. The output end of the grinding motor is fixedly connected to a rotating rod. A fixing plate is fixedly connected inside the grinding cylinder. The bottom end of the rotating rod rotates through the top of the grinding cylinder and the inside of the fixing plate and is fixedly connected to a grinding roller.
[0013] Further, a plurality of bumps are fixedly connected to the side surface of the bottom of the grinding cylinder and the surface of the grinding roller, and a discharge port is formed at the bottom of the grinding cylinder.
[0014] Further, a plurality of support rods are fixedly connected to the bottom of the grinding cylinder and the bottom of the crushing box.
[0015] (3) Beneficial effects
[0016] In summary, the present utility model has the following beneficial effects:
[0017] 1. For this casting sand grinding machine, by setting a first rotating motor, a second rotating motor and a first conveying motor, when the first rotating motor operates, the stones can be crushed, when the second rotating motor operates, the stones can be filtered, and when the first conveying auger rotates, the filtered stones can be conveyed from bottom to top and flow out from the outlet for secondary crushing, thus facilitating people to crush and screen the stones;
[0018] 2. For this casting sand grinding machine, by setting a second conveying motor and a grinding motor, when the second conveying motor operates, the second conveying auger can be rotated, thus facilitating people to convey the stones in the groove into the grinding cylinder. Then, when the grinding motor operates, the rotating rod and the grinding roller can be rotated, and together with the bumps, it is thus convenient for people to grind and crush the stones. Description of the drawings
[0019] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are only one embodiment of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0020] Figure 1 It is a schematic structural diagram of the front view of the present invention;
[0021] Figure 2 It is a schematic structural diagram of the front view section of the present invention;
[0022] Figure 3 It is a schematic structural diagram of the section of the crushing box of the present invention.
[0023] The labels in the drawings are:
[0024] 1. Crushing box; 101. Feeding hopper; 102. Fixed shell; 103. Rotating shaft; 104. Grinding wheel; 105. Gear; 106. First rotating motor; 107. Filter plate; 108. Second rotating motor; 109. Cam; 1010. U-shaped conveying pipe; 1011. Inlet; 1012. Outlet; 1013. First conveying motor; 1014. First conveying auger; 1015. Groove; 1016. Second conveying motor; 1017. Second conveying auger; 1018. Grinding cylinder; 1019. Grinding motor; 1020. Rotating rod; 1021. Fixed plate; 1022. Grinding roller; 1023. Convex block; 1024. Support rod; 1025. Discharge port; 1026. Through hole. Specific embodiments
[0025] In order to make the technical means, creative features, achieved purposes and effects of the present invention easy to understand, the following clearly and completely describes the technical solutions in the specific embodiments of the present invention to further elaborate the present invention. Obviously, the described specific embodiments are only a part of the embodiments of the present invention, rather than all the styles.
[0026] Example:
[0027] The following is further detailed description of the present invention in conjunction with the attached Figures 1-3 to the present invention.
[0028] Please refer to Figures 1-3, the utility model provides a technical solution: a grinding machine for foundry sand, including a crushing box 1. A feed hopper 101 is fixedly connected to the top of the crushing box 1. A fixed shell 102 is fixedly connected to the side of the crushing box 1. A rotating shaft 103 is rotatably connected to the inner side of the crushing box 1 through a bearing. A grinding wheel 104 is fixedly connected to the surface of the rotating shaft 103. One end of the rotating shaft 103 rotates through the crushing box 1 and is fixedly connected with a gear 105. The two gears 105 are meshed with each other. A first rotating motor 106 is fixedly connected to the inner side of the fixed shell 102. The output end of the first rotating motor 106 is fixedly connected to one end of the rotating shaft 103. A filter plate 107 is movably connected to the inner side of the crushing box 1 through a pin shaft. Second rotating motors 108 are fixedly connected to both opposite sides of the crushing box 1. The output ends of the second rotating motors 108 rotate through the crushing box 1 and are fixedly connected with cams 109. The surfaces of the cams 109 are lapped on the bottom of the filter plate 107. A U-shaped conveying pipe 1010 is fixedly connected to the side of the crushing box 1 and the side of the feed hopper 101. An inlet 1011 and an outlet 1012 are opened on the side of the U-shaped conveying pipe 1010 adjacent to the crushing box 1. The inlet 1011 is opened at the bottom of the two grinding wheels 104. The outlet 1012 is opened on the side of the feed port. A first conveying motor 1013 is fixedly connected to the top of the U-shaped conveying pipe 1010. The output end of the first conveying motor 1013 rotates through the U-shaped conveying pipe 1010 and is fixedly connected with a first conveying auger 1014.
[0029] By adopting the above technical solution, by setting the first rotating motor 106, the second rotating motor 108 and the first conveying motor 1013, when the first rotating motor 106 operates, the stones can be crushed. When the second rotating motor 108 operates, the stones can be filtered. When the first conveying auger 1014 rotates, the filtered stones can be conveyed from bottom to top and flow out from the outlet 1012 for secondary crushing, so as to facilitate people to crush and screen the stones.
[0030] Refer to Figure 2, a groove 1015 is formed at the bottom of the crushing box 1, a second transport motor 1016 is fixedly connected to the side of the crushing box 1, the output end of the second transport motor 1016 rotates through the crushing box 1, and is fixedly connected to a second transport auger 1017. The second transport auger 1017 is located in the groove 1015. A grinding cylinder 1018 is fixedly connected to the side of the crushing box 1. A through hole 1026 is formed in the side of the grinding cylinder 1018 and the groove 1015. A grinding motor 1019 is fixedly connected to the top of the grinding cylinder 1018. The output end of the grinding motor 1019 is fixedly connected to a rotating rod 1020. A fixing plate 1021 is fixedly connected inside the grinding cylinder 1018. The bottom end of the rotating rod 1020 rotates through the top of the grinding cylinder 1018 and the inside of the fixing plate 1021, and is fixedly connected to a grinding roller 1022. A plurality of bumps 1023 are fixedly connected to the bottom side of the grinding cylinder 1018 and the surface of the grinding roller 1022. An outlet 1025 is formed at the bottom of the grinding cylinder 1018.
[0031] By adopting the above technical solution, by setting the second transport motor 1016 and the grinding motor 1019, when the second transport motor 1016 operates, the second transport auger 1017 can be rotated, so that it is convenient for people to transport the stones in the groove 1015 into the grinding cylinder 1018. Then, when the grinding motor 1019 operates, the rotating rod 1020 and the grinding roller 1022 can be rotated, and together with the bumps 1023, it is convenient for people to grind and crush the stones.
[0032] Refer to Figure 1 , a plurality of support rods 1024 are fixedly connected to both the bottom of the grinding cylinder 1018 and the bottom of the crushing box 1.
[0033] The working principle of the present utility model is as follows:
[0034] In use, people pour stones into the feeding hopper 101. After pouring is completed, the first rotating motor 106 operates. Through the meshing of the two gears 105, the two grinding wheels 104 can be driven to rotate. By the rotation of the two grinding wheels 104, the stones can be crushed. The crushed stones fall on the top of the filter plate 107. Then the second rotating motor 108 operates, which can make the cam 109 rotate, and the filter plate 107 can be vibrated. The vibrating filter plate 107 can filter the stones. The filtered stones flow into the U-shaped conveying pipe 1010 through the inlet 1011. Then the first conveying motor 1013 operates, which can make the first conveying auger 1014 rotate, and the filtered stones can be conveyed from bottom to top and flow out from the outlet 1012 for secondary crushing. The crushed stones fall into the groove 1015. Then the second conveying motor 1016 operates, which can make the second conveying auger 1017 rotate, and the stones in the groove 1015 can be conveyed into the grinding cylinder 1018. Finally, the grinding motor 1019 operates, which can make the rotating rod 1020 and the grinding roller 1022 rotate. Together with the convex block 1023, the stones can be ground and crushed.
[0035] This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. After reading this specification, those skilled in the art can make modifications to this embodiment without creative contributions as needed, but as long as it is within the scope of the claims of the present invention, it is protected by the patent law.
Claims
1. A grinding machine for foundry sand used in casting, comprising a crushing box (1), characterized in that: At the top of the crushing box (1), a feed hopper (101) is fixedly connected. On the side of the crushing box (1), a fixed shell (102) is fixedly connected. On the inner side of the crushing box (1), a rotating shaft (103) is rotatably connected through a bearing. On the surface of the rotating shaft (103), a grinding wheel (104) is fixedly connected. One end of the rotating shaft (103) rotatably passes through the crushing box (1) and is fixedly connected with a gear (105). The two gears (105) are meshed with each other. On the inner side of the fixed shell (102), a first rotating motor (106) is fixedly connected. The output end of the first rotating motor (106) is fixedly connected to one end of the rotating shaft (103). On the inner side of the crushing box (1), a filter plate (107) is movably connected through a pin shaft. On both opposite sides of the crushing box (1), a second rotating motor (108) is fixedly connected. The output end of the second rotating motor (108) rotatably passes through the crushing box (1) and is fixedly connected with a cam (109). The surface of the cam (109) abuts against the bottom of the filter plate (107). On the side of the crushing box (1) and the side of the feed hopper (101), a U-shaped conveying pipe (1010) is fixedly connected. On the side adjacent to the crushing box (1) of the U-shaped conveying pipe (1010), an inlet (1011) and an outlet (1012) are provided. The inlet (1011) is provided at the bottom of the two grinding wheels (104), and the outlet (1012) is provided on the side of the feed port. On the top of the U-shaped conveying pipe (1010), a first conveying motor (1013) is fixedly connected. The output end of the first conveying motor (1013) rotatably passes through the U-shaped conveying pipe (1010) and is fixedly connected with a first conveying auger (1014).
2. The abrasive grinder for foundry sand according to claim 1, wherein: At the bottom of the crushing box (1), a groove (1015) is provided. On the side of the crushing box (1), a second conveying motor (1016) is fixedly connected.
3. The abrasive grinder for foundry sand according to claim 2, characterized in that: The output end of the second conveying motor (1016) rotatably passes through the crushing box (1) and is fixedly connected with a second conveying auger (1017). The second conveying auger (1017) is located in the groove (1015). On the side of the crushing box (1), a grinding cylinder (1018) is fixedly connected.
4. The abrasive grinder for foundry sand according to claim 3, characterized in that: Through holes (1026) are provided on the side of the grinding cylinder (1018) and the side of the groove (1015).
5. A foundry sand grinder for casting according to claim 3, characterized in that: On the top of the grinding cylinder (1018), a grinding motor (1019) is fixedly connected. The output end of the grinding motor (1019) is fixedly connected with a rotating rod (1020). Inside the grinding cylinder (1018), a fixing plate (1021) is fixedly connected. The bottom end of the rotating rod (1020) rotatably passes through the top of the grinding cylinder (1018) and the inside of the fixing plate (1021) and is fixedly connected with a grinding roller (1022).
6. The abrasive grinder for foundry sand according to claim 5, characterized in that: On the bottom side of the grinding cylinder (1018) and the surface of the grinding roller (1022), a plurality of convex blocks (1023) are fixedly connected. At the bottom of the grinding cylinder (1018), a discharge port (1025) is provided.
7. A foundry sand grinding machine for casting according to claim 3, characterized in that: On the bottom of the grinding cylinder (1018) and the bottom of the crushing box (1), a plurality of support rods (1024) are fixedly connected.