Belt sander for casting shell blank
By designing a belt sander for casting shell blanks, the problem of low grinding efficiency of casting shells was solved, achieving efficient deburring and ensuring surface quality. The equipment structure is stable and reliable.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-03-13
AI Technical Summary
The existing technology has low grinding and polishing efficiency for cast shells, and cannot achieve efficient deburring of cast shells in large batches.
A belt sander for casting shell blanks was designed, including a frame, a grinding power unit, a belt drive mechanism, a tensioning wheel mechanism, and a support structure. The grinding belt is driven by a motor to automatically grind the casting shell.
It improves the efficiency of burr removal on the outer wall of cast shell blanks, ensures the surface quality of products, and achieves stable and reliable support and grinding effect for the equipment.
Smart Images

Figure CN223989356U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of casting technology, specifically to a belt sander for casting shell blanks. Background Technology
[0002] Pump housings are typically manufactured using a casting process. During this process, burrs are generated on the outer surface of the casting. To ensure the surface quality of the cast housing, the outer surface needs to be polished to remove the burrs. The existing polishing process mainly involves manual polishing, which has the main drawback of low efficiency and cannot be used for polishing large batches of cast housings. Utility Model Content
[0003] To address the existing technical problems, the main objective of this utility model is to provide a belt sander for casting shell blanks. This equipment can be used to grind the outer wall of the casting shell blanks, thereby removing burrs from the outer wall, improving its surface quality, ensuring product quality, and effectively improving burr removal efficiency.
[0004] To achieve the above-mentioned technical features, the purpose of this utility model is as follows: a belt sander for casting shell blanks includes a frame, a top platform fixed to the top of the frame, a vertical plate fixed parallel to the top of the top platform, a rectangular slot box fixed to the top of the vertical plate, a telescopic rod positioned inside the rectangular slot box, a large pulley rotatably mounted at the end of the telescopic rod via a large wheel axle, a side plate fixed to the outside of one of the vertical plates, a long shaft rotatably mounted on the side plate, a grinding pulley mounted at one end of the long shaft, and the other end of the long shaft connected to a grinding power device, and a tensioning wheel mechanism for tensioning the grinding belt mounted on the top of the rectangular slot box.
[0005] The frame is fixed with screw support feet at the four bottom corners, and a bottom platform is fixed between the lower parts of the frame.
[0006] After the position of the telescopic rod is adjusted, it is fixed inside the rectangular slot box by locking bolts.
[0007] The grinding power unit includes a motor, which is fixed on a central support plate. The central support plate is fixed in the middle of the frame, and the motor is connected to a long shaft via a belt drive mechanism.
[0008] The belt drive mechanism includes a drive pulley mounted on the drive shaft of the motor. The drive pulley meshes with the driven pulley via a belt. The driven pulley is fixed on a long shaft, which is fixed to the outer wall of the side plate via a bearing seat.
[0009] The driven pulley is provided with a protective cover.
[0010] The telescopic rod has a connecting plate fixed to its end, and the connecting plate has a support plate fixed to its end for supporting the workpiece to be ground.
[0011] The tensioning wheel mechanism includes a column fixed to the top of a rectangular slot box. A rotating plate is hinged to the top of the column via a pin. A tensioning wheel is installed on the outer wall of the rotating plate. A support cylinder is hinged to the bottom of the rotating plate via a first hinge seat. The other end of the support cylinder is hinged to the inner wall of the column via a second hinge seat.
[0012] A handle is fixed to the outer wall of the rotating plate.
[0013] The present invention has the following beneficial effects:
[0014] 1. This equipment can be used to grind the outer wall of cast shell blanks, thereby removing burrs from the outer wall, improving its surface quality, ensuring product quality, and effectively improving burr removal efficiency.
[0015] 2. The aforementioned screw support feet can be used to level and support the frame, thereby achieving stable and reliable support for the frame.
[0016] 3. The aforementioned locking bolts can achieve reliable locking support for the telescopic rod.
[0017] 4. The aforementioned grinding power device can be used to provide grinding power.
[0018] 5. The belt drive mechanism described above can be used to transmit power from the motor to the long shaft.
[0019] 6. The aforementioned protective cover can effectively protect the belt drive mechanism.
[0020] 7. The aforementioned support plate can be used to support the cast shell blank to be ground during the grinding process, thereby ensuring the grinding quality.
[0021] 8. The tensioning wheel mechanism described above can be used to adjust the tension of the grinding belt during the grinding process, thereby ensuring the subsequent grinding effect. Attached Figure Description
[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0023] Figure 1 This is a first-view three-dimensional view of the overall structure of this utility model.
[0024] Figure 2 This is a second-view three-dimensional view of the overall structure of this utility model.
[0025] Figure 3 This is a third-person 3D view of the overall structure of this utility model.
[0026] Figure 4 This is a fourth-view three-dimensional diagram of the overall structure of this utility model.
[0027] In the diagram: 1. Bottom platform; 2. Frame; 3. Middle support plate; 4. Drive shaft; 5. Drive pulley; 6. Belt; 7. Top platform; 8. Protective cover; 9. Long shaft; 10. Driven pulley; 11. Side plate; 12. Vertical plate; 13. Rectangular slot box; 14. Column; 15. Second hinge seat; 16. Support cylinder; 17. Pin; 18. Rotating plate; 19. Handle; 20. Tensioning wheel; 21. First hinge seat; 22. Locking bolt; 23. Grinding belt; 24. Telescopic rod; 25. Large pulley; 26. Large wheel shaft; 27. Connecting plate; 28. Support plate; 29. Motor; 30. Grinding pulley; 31. Bearing seat. Detailed Implementation
[0028] The embodiments of this utility model will be further described below with reference to the accompanying drawings.
[0029] See Figure 1-4 A belt sander for casting shell blanks includes a frame 2, a top platform 7 fixed to the top of the frame 2, a vertical plate 12 fixed parallel to the top of the top platform 7, a rectangular slot box 13 fixed to the top of the vertical plate 12, a telescopic rod 24 internally positioned within the rectangular slot box 13, and a large pulley 25 rotatably mounted on the end of the telescopic rod 24 via a large axle 26. A side plate 11 is fixed to the outer side of one of the vertical plates 12, and a long shaft 9 is rotatably mounted on the side plate 11. A grinding pulley 30 is mounted on one end of the long shaft 9, and the other end of the long shaft 9 is connected to a grinding power device. A tensioning wheel mechanism for tensioning the grinding belt 23 is mounted on the top of the rectangular slot box 13. This equipment can be used for grinding the outer wall of casting shell blanks, thereby removing burrs from the outer wall, improving its surface quality, ensuring product quality, and effectively improving burr removal efficiency.
[0030] Furthermore, screw support feet are fixed at the four bottom corners of the frame 2, and a bottom platform 1 is fixed between the lower parts of the frame 2. The aforementioned screw support feet can be used to level and support the frame 2, thereby achieving stable and reliable support for the frame 2.
[0031] Furthermore, after the position of the telescopic rod 24 is adjusted, it is fixed inside the rectangular slot box 13 by locking bolts 22. The locking bolts 22 provide reliable locking support for the telescopic rod 24.
[0032] Furthermore, the grinding power device includes a motor 29, which is fixed to a central support plate 3. The central support plate 3 is fixed to the middle of the frame 2. The motor 29 is connected to the long shaft 9 via a belt drive mechanism. This grinding power device provides grinding power. During operation, the motor 29 drives the belt drive mechanism, which in turn drives the long shaft 9.
[0033] Furthermore, the belt drive mechanism includes a drive pulley 5 mounted on the drive shaft 4 of the motor 29. The drive pulley 5 engages with a driven pulley 10 via a belt 6. The driven pulley 10 is fixed to a long shaft 9, which is fixed to the outer wall of the side plate 11 via a bearing seat 31. This belt drive mechanism transmits power from the motor 29 to the long shaft 9. During operation, the drive shaft 4 drives the drive pulley 5, which in turn drives the driven pulley 10 via the drive pulley 5 and belt 6, ultimately driving the long shaft 9 via the driven pulley 10.
[0034] Furthermore, a protective cover 8 is provided on the outside of the driven pulley 10. The protective cover 8 can effectively protect the belt drive mechanism.
[0035] Furthermore, a connecting plate 27 is fixed to the end of the telescopic rod 24, and a support plate 28 for supporting the workpiece to be polished is fixed to the end of the connecting plate 27. The support plate 28 can be used to support the cast shell blank to be polished during the polishing process, thereby ensuring the polishing quality.
[0036] Furthermore, the tensioning wheel mechanism includes a column 14 fixed to the top of the rectangular slot box 13. A rotating plate 18 is hinged to the top of the column 14 via a pin 17. A tensioning wheel 20 is mounted on the outer wall of the rotating plate 18. A support cylinder 16 is hinged to the bottom of the rotating plate 18 via a first hinge seat 21. The other end of the support cylinder 16 is hinged to the inner wall of the column 14 via a second hinge seat 15. This tensioning wheel mechanism can be used to adjust the tension of the grinding belt during the grinding process, thereby ensuring the subsequent grinding effect. During operation, when tensioning of the grinding belt is required, the support cylinder 16 is driven, which in turn drives the rotating plate 18, which in turn drives the tensioning wheel 20, thus tensioning the grinding belt.
[0037] Furthermore, a handle 19 is fixed to the outer wall of the rotating plate 18. The handle 19 facilitates the rotation adjustment of the rotating plate 18.
[0038] The working process and principle of this utility model:
[0039] When the casting shell blank needs to be deburred by the above-mentioned belt sander, firstly, the casting shell is supported on the support plate 28 and the casting shell blank is brought into contact with the grinding belt 23. Then, the grinding power device is started, the belt drive mechanism is driven by the motor 29, the drive pulley 5 is driven by the drive shaft 4, the driven pulley 5 and the belt 6 drive the driven pulley 10, the driven pulley 10 drives the long shaft 9, the long shaft 9 drives the grinding pulley 30, the grinding pulley 30 drives the grinding belt 23, and the grinding belt 23 grinds the casting shell blank.
Claims
1. A sand-belt machine for casting a shell blank, characterized in that, The utility model provides a kind of polishing machine, including rack (2), the top of rack (2) is fixed with top platform (7), the top of top platform (7) is fixed with vertical plate (12) in parallel, the top end of vertical plate (12) is fixed with rectangular slot box (13), the inside of rectangular slot box (13) is positioned and installed in telescopic rod (24), the end of telescopic rod (24) is rotatably installed with large belt pulley (25) by large wheel shaft (26), the outside of one vertical plate (12) is fixed with side plate (11), side plate (11) is rotatably installed with long shaft (9), one end of long shaft (9) is installed with polishing pulley (30), the other end of long shaft (9) is connected with polishing power device, the top of rectangular slot box (13) is installed with tensioning pulley mechanism for tensioning polishing belt (23).
2. A sand-belt machine for casting a shell blank according to claim 1, characterized in that: The bottom of the rack (2) is fixed with screw support feet at four corners, and the bottom platform (1) is fixed between the lower part of the rack (2).
3. The sand belt sander for casting a shell blank according to claim 1, wherein: After the position of the telescopic rod (24) is adjusted, it is fixed in the inside of the rectangular slot box (13) by the locking bolt (22).
4. The sand belt sander for casting a shell blank according to claim 1, wherein: The polishing power device includes a motor (29) fixed on the middle support plate (3), the middle support plate (3) is fixed on the middle part of the rack (2), and the motor (29) is connected with the long shaft (9) through a belt transmission mechanism.
5. A sand-belt machine for casting a shell blank according to claim 4, wherein: The belt transmission mechanism includes a driving pulley (5) installed on the driving shaft (4) of the motor (29), the driving pulley (5) is engaged and driven by the belt (6) with the driven pulley (10), the driven pulley (10) is fixed on the long shaft (9), and the long shaft (9) is fixed on the outer wall of the side plate (11) through the bearing seat (31).
6. A sand-belt machine for casting a shell blank according to claim 5, wherein: The outer part of the driven pulley (10) is provided with a protective cover (8).
7. The sand-belt machine for casting a shell blank according to claim 1, wherein: The end of the telescopic rod (24) is fixed with a connecting plate (27), and the end of the connecting plate (27) is fixed with a support plate (28) for supporting the workpiece to be polished.
8. The sand belt sizer for casting a shell body blank according to claim 1, wherein: The tensioning pulley mechanism includes a stand (14) fixed on the top end of the rectangular slot box (13), the top end of the stand (14) is hinged with a rotating plate (18) through a pin shaft (17), the outer wall of the rotating plate (18) is installed with a tensioning pulley (20), the bottom end of the rotating plate (18) is hinged with a supporting oil cylinder (16) through a first hinge seat (21), and the other end of the supporting oil cylinder (16) is hinged on the inner wall of the stand (14) through a second hinge seat (15).
9. A belt sander for casting shell blank pieces according to claim 8, characterized in that: The outer wall of the rotating plate (18) is fixed with a handle (19).