Metal casting polishing device

Abstract

The utility model relates to the technical field of metal processing, and discloses a metal casting polishing device which comprises a workbench and a polishing wheel, the upper end of the workbench is fixedly connected with a fixing frame, a moving groove is formed in the middle of the inner wall of the upper end of the fixing frame, and a first moving lead screw is rotationally connected between the inner walls of the two sides of the moving groove; the outer wall of the first movable lead screw is sleeved with a first movable sliding block in a threaded mode, and the lower end of the first movable sliding block is fixedly connected with a movable frame. According to the polishing device, a reset block, a reset spring and a fixed clamping groove are arranged, so that the polishing wheel can be rapidly detached and replaced according to the polishing requirement of a casting to be polished, after polishing is completed, the surface of the workbench can be effectively cleaned by controlling a cleaning roller to rotate and cooperatively controlling a third moving lead screw to rotate, and the polishing efficiency is improved. And meanwhile, in the cleaning process, the fan is started, and therefore waste chips on the surface of the workbench can be sucked into the dust suction box and intercepted and collected.

Description

Technical Field

[0001] The utility model relates to the technical field of metal processing, in particular to a metal casting grinding device. Background Art

[0002] Metal casting is a process of melting metal into a liquid that meets certain requirements and pouring it into a mold. After cooling, solidification and cleaning, a casting with a predetermined shape, size and performance is obtained. Casting is one of the basic processes in the modern machinery manufacturing industry. During the production process of metal castings, a grinding device is required for grinding.

[0003] Some existing related grinding devices often need to replace grinding wheels of different particle sizes according to the grinding requirements of the corresponding castings when grinding metal castings. In the process of replacing the grinding wheel, it is often time-consuming due to the cumbersome disassembly and installation. In addition, a certain amount of waste chips will be generated when grinding the metal castings. These waste chips will adhere to the work surface and need to be manually cleaned by the operator, which is time-consuming and labor-intensive. Therefore, the technical personnel in this field provide a metal casting grinding device to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and the proposed metal casting grinding device is provided with a reset block, a reset spring and a fixed slot, so that the grinding wheel can be quickly disassembled and replaced according to the grinding requirements of the casting to be polished, so that it can better meet the use requirements, and during the replacement process, the operation time is effectively saved. After the grinding is completed, the surface of the workbench can be effectively cleaned by controlling the rotation of the cleaning roller and cooperating with the control of the rotation of the third moving screw. At the same time, during the cleaning process, the fan is started, and the waste chips on the surface of the workbench can be sucked into the dust box and intercepted and collected, thereby realizing the automatic cleaning operation of the surface of the workbench and keeping the surface of the workbench clean.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a metal casting grinding device, comprising a workbench and a grinding wheel, the upper end of the workbench is fixedly connected to a fixed frame, a moving groove is opened in the middle of the inner wall of the upper end of the fixed frame, a first moving screw is rotatably connected between the inner walls on both sides of the moving groove, a first moving slider is threadedly sleeved on the outer wall of the first moving screw, a moving frame is fixedly connected to the lower end of the first moving slider, a second moving screw is rotatably connected between the front and rear inner walls of the moving frame, and a second moving screw is threadedly sleeved on the outer wall of the second moving screw A movable slider, an electric telescopic rod is fixedly arranged at the lower end of the second movable slider, the lower end of the electric telescopic rod is fixedly connected to a mounting frame, the lower end of the mounting frame is rotatably connected to a rotating shaft, the lower end of the rotating shaft is fixedly connected to a connecting block, a connecting groove is provided at the upper end of the grinding wheel, reset grooves are provided on both sides of the outer wall of the connecting block, reset blocks are movably provided inside the two reset grooves, a plurality of reset springs are fixedly connected between the two reset blocks and the inner wall of the corresponding reset groove on the opposite side, and fixed clamping grooves are provided on both sides of the inner wall of the connecting groove;

[0006] The inner walls of both sides of the fixed frame are provided with sliding grooves, and a third moving screw rod is rotatably connected between the front and rear inner walls of one of the sliding grooves, and a positioning rod is fixedly connected between the front and rear inner walls of the other sliding groove, and the outer wall of the third moving screw rod is threadedly sleeved with a third moving slider, and the outer wall of the positioning rod is slidably sleeved with a positioning slider, and the opposite sides of the third moving slider and the positioning slider are fixedly connected to a connecting frame, a cleaning frame is fixedly connected between the two connecting frames, and a cleaning roller is rotatably connected between the inner walls of both sides of the cleaning frame, and a dust suction box is fixedly connected to the upper end of the cleaning frame, a dust suction pipe is fixedly connected between the dust suction box and the cleaning frame, and a fan is fixedly arranged on the upper end of the dust suction box;

[0007] Through the above technical scheme, by providing a reset block, a reset spring and a fixed slot, the grinding wheel can be quickly replaced according to the grinding requirements of the casting to be polished, so that it can better meet the use requirements, and during the replacement process, the operation time is effectively saved. After the grinding is completed, the surface of the workbench can be effectively cleaned by controlling the rotation of the cleaning roller and cooperating with the control of the rotation of the third movable screw. At the same time, during the cleaning process, the fan is started, and the waste chips on the surface of the workbench can be sucked into the dust box and intercepted and collected, thereby realizing the automatic cleaning operation of the surface of the workbench and keeping the surface of the workbench clean.

[0008] Furthermore, both sides of the upper end of the workbench are fixedly connected with fixed plates, and the opposite sides of the two fixed plates are fixedly provided with hydraulic telescopic rods, and the opposite ends of the two hydraulic telescopic rods pass through the corresponding fixed plates and are fixedly connected with clamping plates;

[0009] Through the above technical solution, by providing a hydraulic telescopic rod and a clamping plate, the movement of the clamping plate can be controlled by starting the hydraulic telescopic rod, so that the casting to be polished can be fixedly clamped.

[0010] Furthermore, a transmission groove is provided on one side of the interior of the cleaning frame, a transmission shaft is rotatably connected to the inner wall of the rear end of the transmission groove, a first bevel gear is fixedly sleeved on the outer wall of the transmission shaft, a driven shaft is rotatably connected to the inner wall of one side of the transmission groove, a second bevel gear is fixedly sleeved on the outer wall of the driven shaft, the first bevel gear and the second bevel gear are meshed, a fourth motor is fixedly provided on one side of the rear end of the cleaning frame, an output end of the fourth motor passes through the cleaning frame and is fixedly connected to the transmission shaft, and one end of the driven shaft passes through the cleaning frame and is fixedly connected to the cleaning roller;

[0011] Through the above technical solution, the fourth motor is started to rotate the transmission shaft and the first bevel gear, which in turn rotates the second bevel gear and the driven shaft, thereby rotating the cleaning roller for subsequent cleaning work.

[0012] Furthermore, the connecting block is clamped in the connecting slot, and the two reset blocks are clamped in the corresponding fixed slots;

[0013] Through the above technical solution, the grinding wheel can be fixedly mounted on the rotating shaft by engaging the connecting block in the connecting groove and engaging the two reset blocks in the corresponding fixed grooves.

[0014] Furthermore, a first motor is fixedly arranged at an upper part of one side of the fixed frame, an output end of the first motor passes through the fixed frame and is fixedly connected to the first moving screw rod, a second motor is fixedly arranged at the front end of the moving frame, an output end of the second motor passes through the moving frame and is fixedly connected to the second moving screw rod;

[0015] Through the above technical solution, by providing a first motor and fixing the output end of the first motor with the first movable screw rod, the first movable screw rod can be rotated by starting the first motor; by providing a second motor and fixing the output end of the second motor with the second movable screw rod, the second movable screw rod can be rotated by starting the second motor; and by controlling the start of the first motor and the second motor, the grinding wheel can be controlled to move longitudinally and transversely, so as to meet more grinding requirements.

[0016] Furthermore, a third motor is fixedly arranged inside the mounting frame, and an output end of the third motor passes through the mounting frame and is fixedly connected to the rotating shaft;

[0017] According to the above technical solution, by providing a third motor and fixing the output end of the third motor to the rotating shaft, the rotating shaft can be rotated by starting the third motor.

[0018] Furthermore, a fifth motor is fixedly arranged at the front end of the fixed frame near the third movable screw rod, and an output end of the fifth motor passes through the fixed frame and is fixedly connected to the third movable screw rod;

[0019] Through the above technical solution, by providing a fifth motor and fixing the output end of the fifth motor to the third movable screw rod, the third movable screw rod can be rotated by starting the fifth motor.

[0020] Furthermore, a filter plate is fixedly arranged inside the dust collection box;

[0021] Through the above technical solution, by providing a filter plate, the sucked waste debris can be filtered and intercepted.

[0022] The utility model has the following beneficial effects:

[0023] 1. The metal casting grinding device proposed by the utility model can be used to select a suitable grinding wheel according to the grinding requirements of the casting to be ground, and then the reset block is pressed to retract it into the reset groove, so that the connecting block on the rotating shaft can be inserted into the connecting groove on the grinding wheel, and when the reset block encounters the fixed groove, the reset spring can automatically pop out and insert it into the fixed groove, so that the fixed installation of the grinding wheel can be completed. For the removal of the grinding wheel, the fixing restriction of the grinding wheel can be released by pressing the reset block to disengage it from the fixed groove, and then it can be removed. The operation is simple and effectively saves operation time.

[0024] 2. The metal casting grinding device proposed by the utility model can, after grinding, start the fourth motor to rotate the transmission shaft and the first bevel gear, and then rotate the second bevel gear and the driven shaft, so that the cleaning roller rotates. At this time, the fifth motor is started to rotate the third movable screw rod, and the cleaning frame can be moved via the third movable slider and the positioning slider. The rotating cleaning roller can effectively clean the surface of the workbench during the movement, and the fan can be started during the cleaning process to suck the waste on the surface of the workbench into the dust box through the dust suction pipe and the filter plate, and intercept and collect the waste, thereby realizing the automatic cleaning operation of the workbench surface and keeping the workbench surface clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is an axonometric schematic diagram of the metal casting grinding device proposed by the utility model;

[0026] Figure 2 It is a front cross-sectional schematic diagram of the metal casting grinding device proposed by the utility model;

[0027] Figure 3 for Figure 2 A schematic diagram of the structure enlargement at the center A;

[0028] Figure 4 It is a side cross-sectional schematic diagram of the metal casting grinding device proposed by the utility model;

[0029] Figure 5 It is a partial top-sectional schematic diagram of the metal casting grinding device proposed by the utility model.

[0030] Legend:

[0031] 1. Workbench; 2. Fixed frame; 3. Moving groove; 4. First moving screw rod; 5. First moving slide block; 6. Moving frame; 7. Second moving screw rod; 8. Second moving slide block; 9. Electric telescopic rod; 10. Mounting frame; 11. Rotating shaft; 12. Grinding wheel; 13. Connecting block; 14. Connecting groove; 15. Reset groove; 16. Reset block; 17. Reset spring; 18. Fixed card slot; 19. Sliding groove; 20. Third moving screw rod; 21. Positioning rod; 22. Third Moving slider; 23, positioning slider; 24, connecting frame; 25, cleaning frame; 26, cleaning roller; 27, dust box; 28, dust pipe; 29, fan; 30, filter plate; 31, first motor; 32, second motor; 33, third motor; 34, transmission slot; 35, transmission shaft; 36, first bevel gear; 37, driven shaft; 38, second bevel gear; 39, fourth motor; 40, fixing plate; 41, hydraulic telescopic rod; 42, clamping plate; 43, fifth motor. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the specific implementation of the utility model to clearly and completely describe the technical solutions in the specific implementation of the utility model. Obviously, the specific implementation described is only a part of the specific implementation of the utility model, not all of the specific implementation. Based on the specific implementation of the utility model, all other specific implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Reference Figure 1-5A specific implementation mode provided by the utility model: a metal casting grinding device comprises a workbench 1 and a grinding wheel 12, a fixed frame 2 is fixedly connected to the upper end of the workbench 1, a moving groove 3 is opened in the middle of the inner wall of the upper end of the fixed frame 2, a first moving screw rod 4 is rotatably connected between the inner walls on both sides of the moving groove 3, a first moving slider 5 is threadedly sleeved on the outer wall of the first moving screw rod 4, a moving frame 6 is fixedly connected to the lower end of the first moving slider 5, a second moving screw rod 7 is rotatably connected between the front and rear inner walls of the moving frame 6, a second moving slider 8 is threadedly sleeved on the outer wall of the second moving screw rod 7, an electric telescopic rod 9 is fixedly arranged at the lower end of the second moving slider 8, and the electric telescopic rod 9 is The lower end is fixedly connected to a mounting frame 10, and the lower end of the mounting frame 10 is rotatably connected to a rotating shaft 11. A third motor 33 is fixedly arranged inside the mounting frame 10, and an output end of the third motor 33 passes through the mounting frame 10 and is fixedly connected to the rotating shaft 11. By providing a third motor 33 and fixing the output end of the third motor 33 to the rotating shaft 11, the rotating shaft 11 can be rotated by starting the third motor 33. A connecting block 13 is fixedly connected to the lower end of the rotating shaft 11, and a connecting groove 14 is provided at the upper end of the grinding wheel 12. Reset grooves 15 are provided on both sides of the outer wall of the connecting block 13, and reset blocks 16 are movably provided inside the two reset grooves 15. A plurality of reset springs 17 are fixedly connected between the positioning block 16 and the inner wall of the corresponding reset groove 15 on the opposite side. Fixed slots 18 are provided on both sides of the inner wall of the connecting groove 14. The connecting block 13 is engaged in the connecting groove 14. The two reset blocks 16 are engaged in the corresponding fixed slots 18. By engaging the connecting block 13 in the connecting groove 14 and engaging the two reset blocks 16 in the corresponding fixed slots 18, the grinding wheel 12 can be fixedly installed on the rotating shaft 11. A first motor 31 is fixedly provided at the upper part of one side of the fixed frame 2. The output end of the first motor 31 passes through the fixed frame 2 and is fixedly connected to the first moving screw rod 4. The moving frame 6 A second motor 32 is fixedly provided at the front end, and the output end of the second motor 32 passes through the moving frame 6 and is fixedly connected to the second moving screw rod 7. By providing a first motor 31 and fixing the output end of the first motor 31 with the first moving screw rod 4, the first moving screw rod 4 can be rotated by starting the first motor 31. By providing a second motor 32 and fixing the output end of the second motor 32 with the second moving screw rod 7, the second moving screw rod 7 can be rotated by starting the second motor 32. By controlling the start of the first motor 31 and the second motor 32, the grinding wheel 12 can be controlled to move longitudinally and transversely, so as to achieve more grinding requirements.

[0034] Sliding grooves 19 are provided on the inner walls on both sides of the fixed frame 2, a third moving screw rod 20 is rotatably connected between the front and rear inner walls of one of the sliding grooves 19, a positioning rod 21 is fixedly connected between the front and rear inner walls of the other sliding groove 19, a fifth motor 43 is fixedly arranged at the front end of the fixed frame 2 near the third moving screw rod 20, the output end of the fifth motor 43 passes through the fixed frame 2 and is fixedly connected to the third moving screw rod 20, by providing the fifth motor 43 and fixing the output end of the fifth motor 43 to the third moving screw rod 20, the third moving screw rod 20 can be rotated by starting the fifth motor 43, and the outer wall screw of the third moving screw rod 20 can be fixedly arranged. The third movable slider 22 is sleeved with a groove, and the outer wall of the positioning rod 21 is slidably sleeved with a positioning slider 23. The third movable slider 22 and the positioning slider 23 are fixedly connected to the opposite side with a connecting frame 24. A cleaning frame 25 is fixedly connected between the two connecting frames 24. A cleaning roller 26 is rotatably connected between the inner walls of the two sides of the cleaning frame 25. A transmission groove 34 is opened on one side of the interior of the cleaning frame 25. The rear end inner wall of the transmission groove 34 is rotatably connected with a transmission shaft 35. The outer wall of the transmission shaft 35 is fixedly sleeved with a first bevel gear 36. The inner wall of one side of the transmission groove 34 is rotatably connected with a driven shaft 37. The outer wall of the driven shaft 37 is fixedly sleeved with a second bevel gear 38. The first bevel gear 36 and the second bevel gear 38 are meshed, and a fourth motor 39 is fixedly provided on one side of the rear end of the cleaning frame 25. The output end of the fourth motor 39 passes through the cleaning frame 25 and is fixedly connected to the transmission shaft 35. One end of the driven shaft 37 passes through the cleaning frame 25 and is fixedly connected to the cleaning roller 26. By starting the fourth motor 39, the transmission shaft 35 and the first bevel gear 36 are rotated, and then the second bevel gear 38 and the driven shaft 37 are rotated, so that the cleaning roller 26 can be rotated for subsequent cleaning work. The upper end of the cleaning frame 25 is fixedly connected to the dust box 27, and a dust box 27 is fixedly connected between the dust box 27 and the cleaning frame 25. Tube 28, a fan 29 is fixedly provided at the upper end of the dust box 27, and a filter plate 30 is fixedly provided inside the dust box 27. By providing the filter plate 30, the sucked waste chips can be filtered and intercepted. Fixed plates 40 are fixedly connected to both sides of the upper end of the workbench 1, and hydraulic telescopic rods 41 are fixedly provided on the opposite sides of the two fixed plates 40. The opposite ends of the two hydraulic telescopic rods 41 penetrate the corresponding fixed plates 40 and are fixedly connected with clamping plates 42. By providing the hydraulic telescopic rods 41 and the clamping plates 42, the movement of the clamping plates 42 can be controlled by starting the hydraulic telescopic rods 41, so that the casting to be polished can be fixedly clamped.

[0035] Working principle: When using the device, first start the hydraulic telescopic rod 41 to control the movement of the clamping plate 42, so that the casting to be polished can be fixed and clamped, and then the appropriate grinding wheel 12 can be selected according to the grinding requirements of the casting to be polished, and then the reset block 16 is pressed to retract it into the reset groove 15, so that the connecting block 13 on the rotating shaft 11 can be inserted into the connecting groove 14 on the grinding wheel 12, and when the reset block 16 encounters the fixed groove 18, the reset spring 17 can make the reset block 16 automatically pop out and snap into the fixed groove 18, so that the fixed installation of the grinding wheel 12 can be completed. For the removal of the grinding wheel 12, it is only necessary to press the reset block 16 to disengage it from the fixed groove 18 to release the fixing restriction of the grinding wheel 12, and then it can be removed. After the preparation work is completed, the first motor 31 and the second motor 32 are controlled to start so that the first moving screw rod 4 and the second moving screw rod 7 Rotate, and then control the grinding wheel 12 to move longitudinally and transversely to meet more grinding needs. After grinding, remove the casting, and control the two clamping plates 42 to move away from the working area. Then, the fourth motor 39 can be started to rotate the transmission shaft 35 and the first bevel gear 36, and then the second bevel gear 38 and the driven shaft 37 can be rotated, so that the cleaning roller 26 is rotated. At this time, the third movable screw 20 is rotated by starting the fifth motor 43, and the cleaning frame 25 can be moved through the third movable slider 22 and the positioning slider 23. The rotating cleaning roller 26 during the movement can effectively clean the surface of the workbench 1, and in the cleaning process, the fan 29 is started, and the waste chips on the surface of the workbench 1 can be sucked into the dust box 27 through the dust suction pipe 28 and the filter plate 30 and intercepted and collected, thereby realizing the automatic cleaning operation of the surface of the workbench 1 and keeping the surface of the workbench 1 clean.

[0036] Finally, it should be noted that the above is only a preferred specific implementation method of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned specific implementation methods, those skilled in the art can still modify the technical solutions recorded in the aforementioned specific implementation methods, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A metal casting grinding device, comprising a workbench (1) and a grinding wheel (12), characterized in that: The upper end of the workbench (1) is fixedly connected to a fixed frame (2), a moving groove (3) is provided in the middle of the inner wall of the upper end of the fixed frame (2), a first moving screw rod (4) is rotatably connected between the inner walls on both sides of the moving groove (3), a first moving slider (5) is threadedly sleeved on the outer wall of the first moving screw rod (4), a moving frame (6) is fixedly connected to the lower end of the first moving slider (5), a second moving screw rod (7) is rotatably connected between the front and rear inner walls of the moving frame (6), a second moving slider (8) is threadedly sleeved on the outer wall of the second moving screw rod (7), an electric telescopic rod (9) is fixedly provided at the lower end of the second moving slider (8), and the electric telescopic rod (9) is fixedly provided at the lower end of the electric telescopic rod (9). The lower end of the movable telescopic rod (9) is fixedly connected to a mounting frame (10), the lower end of the mounting frame (10) is rotatably connected to a rotating shaft (11), the lower end of the rotating shaft (11) is fixedly connected to a connecting block (13), the upper end of the grinding wheel (12) is provided with a connecting groove (14), both sides of the outer wall of the connecting block (13) are provided with reset grooves (15), the insides of the two reset grooves (15) are movably provided with reset blocks (16), a plurality of reset springs (17) are fixedly connected between the two reset blocks (16) and the inner walls of the corresponding reset grooves (15) on the opposite side, and both sides of the inner wall of the connecting groove (14) are provided with fixed clamping grooves (18); The inner walls of both sides of the fixed frame (2) are provided with sliding grooves (19), a third movable screw rod (20) is rotatably connected between the front and rear inner walls of one of the sliding grooves (19), a positioning rod (21) is fixedly connected between the front and rear inner walls of the other sliding groove (19), a third movable slider (22) is threadedly sleeved on the outer wall of the third movable screw rod (20), a positioning slider (23) is slidably sleeved on the outer wall of the positioning rod (21), and the third movable slider (22) and A connecting frame (24) is fixedly connected to the opposite side of the positioning slider (23); a cleaning frame (25) is fixedly connected between the two connecting frames (24); a cleaning roller (26) is rotatably connected between the inner walls on both sides of the cleaning frame (25); a dust collection box (27) is fixedly connected to the upper end of the cleaning frame (25); a dust collection pipe (28) is fixedly connected between the dust collection box (27) and the cleaning frame (25); and a fan (29) is fixedly provided at the upper end of the dust collection box (27).

2. The metal casting grinding device according to claim 1, characterized in that: Both sides of the upper end of the workbench (1) are fixedly connected with fixed plates (40), and the opposite sides of the two fixed plates (40) are fixedly provided with hydraulic telescopic rods (41), and the opposite ends of the two hydraulic telescopic rods (41) pass through the corresponding fixed plates (40) and are fixedly connected with clamping plates (42).

3. The metal casting grinding device according to claim 1, characterized in that: A transmission groove (34) is provided on one side of the interior of the cleaning frame (25); a transmission shaft (35) is rotatably connected to the inner wall of the rear end of the transmission groove (34); a first bevel gear (36) is fixedly sleeved on the outer wall of the transmission shaft (35); a driven shaft (37) is rotatably connected to the inner wall of one side of the transmission groove (34); a second bevel gear (38) is fixedly sleeved on the outer wall of the driven shaft (37); the first bevel gear (36) and the second bevel gear (38) are meshed; a fourth motor (39) is fixedly provided on one side of the rear end of the cleaning frame (25); an output end of the fourth motor (39) passes through the cleaning frame (25) and is fixedly connected to the transmission shaft (35); one end of the driven shaft (37) passes through the cleaning frame (25) and is fixedly connected to the cleaning roller (26).

4. The metal casting grinding device according to claim 1, characterized in that: The connecting block (13) is snap-fitted in the connecting groove (14), and the two reset blocks (16) are snap-fitted in corresponding fixed grooves (18).

5. The metal casting grinding device according to claim 1, characterized in that: A first motor (31) is fixedly arranged at an upper portion of one side of the fixed frame (2), an output end of the first motor (31) passes through the fixed frame (2) and is fixedly connected to a first movable screw rod (4), and a second motor (32) is fixedly arranged at a front end of the movable frame (6), an output end of the second motor (32) passes through the movable frame (6) and is fixedly connected to a second movable screw rod (7).

6. The metal casting grinding device according to claim 1, characterized in that: A third motor (33) is fixedly arranged inside the mounting frame (10), and an output end of the third motor (33) passes through the mounting frame (10) and is fixedly connected to the rotating shaft (11).

7. The metal casting grinding device according to claim 1, characterized in that: A fifth motor (43) is fixedly arranged at the front end of the fixed frame (2) near the third movable screw rod (20); the output end of the fifth motor (43) passes through the fixed frame (2) and is fixedly connected to the third movable screw rod (20).

8. The metal casting grinding device according to claim 1, characterized in that: A filter plate (30) is fixedly arranged inside the dust collection box (27).

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