Surface grinding device for recycling precoated sand
By using a double-stage grinding structure and an electric lifting rod to control the grinding accuracy in the surface grinding device for film sand recovery, the problem of low efficiency of a single grinding structure in the prior art is solved, and efficient recycling and reuse of film sand is achieved.
Patent Information
- Application Number
- CN202421142750.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The existing grinding devices adopt a single grinding structure, resulting in low grinding efficiency and high grinding pressure, making it difficult to effectively recover and reuse the coated sand.
A surface grinding device for film sand recovery is designed, adopting a double-stage grinding structure, coarse grinding is performed through the first grinding cone, fine grinding is performed through the second grinding cone, and grinding accuracy is controlled by an electric lifting rod to achieve multi-stage grinding.
Through multi-stage grinding, the grinding pressure is reduced, the grinding efficiency is improved, and the problem of low efficiency of a single grinding structure is effectively solved, and efficient recycling and reuse of coated sand is achieved.
Smart Images
Figure CN222679473U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grinding devices, in particular to a surface grinding device for recovering coated sand. Background Art
[0002] Coated sand is a type of molding sand or core sand, the surface of which is covered with a layer of solid resin film before molding. There are two main coating processes for the preparation of coated sand: cold coating and hot coating. The surface grinding device for recycling coated sand is a device specially used to process waste coated sand. This device removes impurities and residues on the surface of waste coated sand by physical methods, restoring it to or close to its original state for reuse.
[0003] Common grinding devices use a single grinding structure for grinding. Single grinding increases the grinding pressure of the grinding device and has low efficiency. Therefore, a surface grinding device for recovering coated sand is proposed. Utility Model Content
[0004] In view of the shortcomings of the prior art, the utility model provides a surface grinding device for recovering coated sand to solve the problem of low grinding efficiency of a single grinding structure proposed in the above background technology.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a surface grinding device for recovering coated sand, comprising:
[0006] A barrel body, wherein a first cone shell, a first discharge pipe, a second cone shell and a second discharge pipe are sequentially arranged inside the barrel body from top to bottom, and the first cone shell, the first discharge pipe, the second cone shell and the second discharge pipe are fixedly connected to the barrel body, a first electric lifting rod is installed inside the first cone shell, a first driving motor is installed at the lower end of the first electric lifting rod, a first grinding cone is installed at the output end of the first driving motor, the first discharge pipe is arranged at the lower end of the first grinding cone, a second electric lifting rod is installed inside the second cone shell, a second driving motor is installed at the lower end of the second electric lifting rod, and a second grinding cone is installed at the output end of the second driving motor.
[0007] Preferably, a feed hopper is provided at the upper end of the barrel body, and the feed hopper is fixedly connected to the barrel body.
[0008] Preferably, a threaded opening is provided at the lower end of the barrel body, and the threaded opening is fixedly connected to the barrel body, so that the guide structure or the storage structure is easy to install and connect.
[0009] Preferably, a fixed side shell is provided on the right side of the exterior of the barrel body, and the fixed side shell is fixedly connected to the barrel body, and an electric push rod is installed inside the fixed side shell, and the electric push rod is used to control the movement of the guide tube.
[0010] Preferably, the left end of the electric push rod passes through and extends to the interior of the barrel body, and the left end of the electric push rod is located at the lower end of the first discharge pipe and is provided with a guide pipe, which is used to discharge the coated sand.
[0011] Preferably, four side blocks evenly distributed along a ring are installed on one side of the lower end of the outer part of the barrel body, and supporting legs are installed on the lower ends of the side blocks, and the supporting legs are used to support the barrel body.
[0012] Compared with the prior art, the utility model provides a surface grinding device for recovering coated sand, which has the following beneficial effects:
[0013] The utility model starts the first driving motor and the second driving motor to rotate the first grinding cone and the second grinding cone, pours the coated sand into the barrel through the feed hopper, the first grinding cone performs coarse grinding on the coated sand, and then the grinding sand flows downward through the first discharge pipe to the second grinding cone for fine grinding, and the ground coated sand is discharged through the second discharge pipe, thereby completing the grinding work, and the first grinding cone and the second grinding cone are controlled to be raised and lowered by the first electric lifting rod and the second electric lifting rod to change the grinding accuracy, and the coated sand is ground in multiple stages to reduce the grinding pressure, improve the grinding efficiency, and solve the problems raised in the background technology. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0015] Figure 2 This is a cross-sectional view of the internal structure of the barrel of the utility model;
[0016] Figure 3 It is a top view of the overall structure of the utility model.
[0017] In the figure: 1. barrel; 2. feed hopper; 3. side block; 4. support leg; 5. first cone shell; 6. first electric lifting rod; 7. first drive motor; 8. first grinding cone; 9. first discharge pipe; 10. fixed side shell; 11. electric push rod; 12. guide pipe; 13. second cone shell; 14. second electric lifting rod; 15. second drive motor; 16. second grinding cone; 17. second discharge pipe; 18. screw mouth. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] The utility model provides a technical solution, a surface grinding device for recovering coated sand, please refer to Figure 1 , Figure 2 and Figure 3 ,include:
[0020] The barrel body 1 has a first cone shell 5, a first discharge pipe 9, a second cone shell 13 and a second discharge pipe 17 arranged in sequence from top to bottom inside the barrel body 1, and the first cone shell 5, the first discharge pipe 9, the second cone shell 13 and the second discharge pipe 17 are fixedly connected to the barrel body 1, a first electric lifting rod 6 is installed inside the first cone shell 5, a first drive motor 7 is installed at the lower end of the first electric lifting rod 6, a first grinding cone 8 is installed at the output end of the first drive motor 7, the first discharge pipe 9 is arranged at the lower end of the first grinding cone 8, a second electric lifting rod 14 is installed inside the second cone shell 13, a second drive motor 15 is installed at the lower end of the second electric lifting rod 14, and a second grinding cone 16 is installed at the output end of the second drive motor 15.
[0021] See also Figure 1 , Figure 2 and Figure 3 A feed hopper 2 is provided at the upper end of the barrel body 1, and the feed hopper 2 is fixedly connected to the barrel body 1.
[0022] See also Figure 2 A screw hole 18 is provided at the lower end of the barrel body 1, and the screw hole 18 is fixedly connected to the barrel body 1, and the screw hole 18 makes it easy to install and connect the diversion structure or the storage structure.
[0023] See also Figure 1 , Figure 2 and Figure 3 A fixed side shell 10 is provided on the right side outside the barrel body 1, and the fixed side shell 10 is fixedly connected to the barrel body 1. An electric push rod 11 is installed inside the fixed side shell 10, and the electric push rod 11 is used to control the movement of the guide tube 12.
[0024] See also Figure 1 , Figure 2 and Figure 3 The left end of the electric push rod 11 penetrates and extends into the interior of the barrel body 1. The left end of the electric push rod 11 is located at the lower end of the first discharge pipe 9 and is provided with a guide pipe 12, which is used to guide the coated sand.
[0025] See also Figure 1 , Figure 2 and Figure 3 Four side blocks 3 evenly distributed along a ring are installed on one side of the lower end of the outer portion of the barrel body 1 , and a supporting leg 4 is installed at the lower end of the side block 3 , and the supporting leg 4 is used to support the barrel body 1 .
[0026] This solution: start the first drive motor 7 and the second drive motor 15 to rotate the first grinding cone 8 and the second grinding cone 16, pour the coated sand into the barrel 1 through the feed hopper 2, the first grinding cone 8 coarsely grinds the coated sand, and then the ground sand flows downward through the first discharge pipe 9 to the second grinding cone 16 for fine grinding, and the ground coated sand is discharged through the second discharge pipe 17 to complete the grinding work, and the first grinding cone 8 and the second grinding cone 16 are controlled to rise and fall by the first electric lifting rod 6 and the second electric lifting rod 14 to change the grinding accuracy. By performing multi-stage grinding on the coated sand, the grinding pressure is reduced and the grinding efficiency is improved. When only coarse grinding is required, start the electric push rod 11 to move the guide pipe 12 to the lower end of the first discharge pipe 9, and the coated sand after being ground by the first grinding cone 8 is guided out through the guide pipe 12.
[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A surface grinding device for recovering coated sand, characterized in that: include: A barrel body (1), wherein a first cone shell (5), a first discharge pipe (9), a second cone shell (13) and a second discharge pipe (17) are sequentially arranged inside the barrel body (1) from top to bottom, and the first cone shell (5), the first discharge pipe (9), the second cone shell (13) and the second discharge pipe (17) are fixedly connected to the barrel body (1), a first electric lifting rod (6) is installed inside the first cone shell (5), a first drive motor (7) is installed at the lower end of the first electric lifting rod (6), a first grinding cone (8) is installed at the output end of the first drive motor (7), the first discharge pipe (9) is arranged at the lower end of the first grinding cone (8), a second electric lifting rod (14) is installed inside the second cone shell (13), a second drive motor (15) is installed at the lower end of the second electric lifting rod (14), and a second grinding cone (16) is installed at the output end of the second drive motor (15).
2. The surface grinding device for recovering coated sand according to claim 1, characterized in that: A feed hopper (2) is provided at the upper end of the barrel body (1), and the feed hopper (2) is fixedly connected to the barrel body (1).
3. The surface grinding device for recovering coated sand according to claim 1, characterized in that: A screw mouth (18) is provided at the lower end of the barrel body (1), and the screw mouth (18) is fixedly connected to the barrel body (1).
4. The surface grinding device for recovering coated sand according to claim 1, characterized in that: A fixed side shell (10) is provided on the right side of the outside of the barrel body (1), and the fixed side shell (10) is fixedly connected to the barrel body (1), and an electric push rod (11) is installed inside the fixed side shell (10).
5. The surface grinding device for recovering coated sand according to claim 4, characterized in that: The left end of the electric push rod (11) penetrates and extends into the interior of the barrel (1), and a guide pipe (12) is provided at the lower end of the left end of the electric push rod (11) located at the first discharge pipe (9).
6. The surface grinding device for recovering coated sand according to claim 1, characterized in that: Four side blocks (3) evenly distributed along a ring are installed on one side of the lower end of the outer portion of the barrel body (1), and supporting legs (4) are installed at the lower ends of the side blocks (3).