A sandblasting device for machining cast parts

By introducing adjustable sandblasting nozzles and high-efficiency recovery components into the sandblasting device, the problem of incomplete casting processing caused by fixed sandblasting nozzles has been solved, realizing comprehensive processing and efficient recovery of castings, and improving processing efficiency and device practicality.

CN224334235UActive Publication Date: 2026-06-09YANCHENG KAIXINGDA PRECISE FOUNDRY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANCHENG KAIXINGDA PRECISE FOUNDRY CO LTD
Filing Date
2025-06-18
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

The existing sandblasting equipment has fixed sandblasting nozzles that cannot be adjusted in position or tilt angle, resulting in incomplete surface finishing of castings, prolonged processing time, and reduced processing efficiency.

Method used

The system employs components such as a sandblasting box, mounting bracket, servo motor, screw, slide bar, and rotating rod to adjust the position and tilt angle of the sandblasting nozzle, and uses a recycling component to filter and collect the sandblasted material.

Benefits of technology

It enables flexible adjustment of the position and tilt angle of the sandblasting nozzle, making the processing of castings more comprehensive, shortening processing time, improving processing efficiency, accelerating sandblasting recovery efficiency, and enhancing the practicality of the device.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224334235U_ABST
    Figure CN224334235U_ABST
Patent Text Reader

Abstract

This utility model discloses a sandblasting device for processing castings, including a sandblasting box and a mounting frame. The mounting frame is fixedly installed on the inner wall of the sandblasting box, and a placement plate is provided on the upper surface of the mounting frame. Mounting frames are fixedly installed on the inner walls at all four ends of the sandblasting box. This utility model, through the coordination of components such as the sandblasting box, placement plate, servo motor A, screw, slide rod, drive frame, servo motor B, rotating rod, sandblasting nozzle, pulley A, drive rod, and pulley B, achieves the function of adjusting the position and tilt angle of the sandblasting nozzle. It improves the installation method of the sandblasting nozzle in the prior art, allowing adjustment of the position height and tilt angle of the sandblasting nozzle according to usage requirements. Simultaneously, it allows rotation of the casting, thereby enabling more comprehensive processing of the casting, shortening the processing time, accelerating the processing efficiency of the casting, and improving the practicality of the casting.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of sandblasting equipment technology, and in particular to a sandblasting equipment for processing castings. Background Technology

[0002] Casting involves pouring molten metal into a mold cavity that conforms to the shape and size of the part, allowing it to cool and solidify to obtain a blank or part. After the casting is produced, it needs to be processed, including using a sandblasting device.

[0003] In the existing technology, when using a sandblasting device to process castings, the sandblasting nozzles of traditional sandblasting devices are fixedly installed inside the device. This configuration makes it impossible to move the position of the sandblasting nozzles or adjust their tilt angle. As a result, it is impossible to process all surfaces of the castings, requiring the castings to be moved and processed a second time. This prolongs the processing time, slows down the processing efficiency, and reduces the practicality of the castings. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a sandblasting device for processing castings.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a sandblasting device for processing castings, comprising a sandblasting box and a mounting frame. The mounting frame is fixedly installed on the inner wall of the sandblasting box. A placement plate is provided on the upper surface of the mounting frame. Mounting frames are fixedly installed on the inner walls at all four ends of the sandblasting box. Two servo motors A are fixedly installed on the upper surface of one end of the sandblasting box. A screw is fixedly installed at the output end of the servo motor A. The screw penetrates the upper surface of the sandblasting box and extends into the interior of the corresponding mounting frame. Sliding rods are fixedly installed on the inner walls of the other two mounting frames. A drive frame is provided inside each of the four mounting frames. Servo motors B are fixedly installed on the side walls of the two drive frames on the left inner wall of the sandblasting box. Rotating rods are fixedly installed at the output ends of the servo motors B. The two rotating rods are rotatably connected to the two drive frames on the right inner wall of the sandblasting box. A plurality of sandblasting nozzles are fixedly installed on the outer surface of the rotating rods. A recovery assembly is provided inside the sandblasting box.

[0006] As a further description of the above technical solution: the upper surfaces of the two drive frames on the left inner wall of the sandblasting box are respectively threaded to the corresponding screws, and the two drive frames on the right inner wall of the sandblasting box are respectively sleeved on the outer surfaces of the two slide rods, in order to realize the function of raising and lowering the sandblasting nozzle.

[0007] As a further description of the above technical solution: A sandblasting pump is fixedly installed on the upper surface of the sandblasting box. The air inlet of the sandblasting pump is connected to an air inlet pipe, and the air outlet of the sandblasting pump is connected to a connecting pipe. The connecting pipe passes through the upper surface of the sandblasting box and extends into the interior of the sandblasting box. The bottom end of the connecting pipe is connected to a vent pipe. The sandblasting nozzle is connected to the vent pipe via a flexible hose. A sand storage box is fixedly installed on the upper surface of the sandblasting box, and a sand mixer connected to the air inlet pipe is fixedly installed on the lower surface of the sand storage box in order to introduce the air mixed with sandblasting into the sandblasting nozzle.

[0008] As a further description of the above technical solution: the side wall of the sandblasting box is provided with a through groove that communicates with the mounting frame. A drive motor is fixedly installed on the side wall of the sandblasting box. The output end of the drive motor is fixedly installed with a pulley A through a rotating shaft. A drive rod is fixedly installed on the lower surface of the placement tray. The drive rod passes through the upper surface of the mounting frame and extends into the interior of the mounting frame. A pulley B is fixedly installed on the outer surface of the drive rod. A transmission belt is fitted on the outer surfaces of pulley A and pulley B together, so that the placement tray can drive the casting to rotate.

[0009] As a further description of the above technical solution: the recycling component includes a recycling drawer and a slider. The recycling drawer is installed inside the sandblasting box via a mounting slot. The slider is fixedly installed on the side wall of the recycling drawer. A fixing frame is provided at the top of the inside of the recycling drawer. A filter screen is fixedly installed on the bottom inner wall of the fixing frame. A locking block is fixedly installed on both side walls of the fixing frame. A locking groove is provided on both inner walls of the recycling drawer. A limit plate is rotatably connected to the front wall of the sandblasting box. A fixing block is fixedly installed on the front wall of the recycling drawer for filtering and collecting the used sandblasted material.

[0010] As a further description of the above technical solution: the inner wall of the sandblasting box is provided with a sliding groove adapted to the slider, the fixed block is L-shaped, the limiting plate is engaged with the fixed block, and the limiting plate abuts against the front wall of the recycling drawer in order to fix the recycling drawer.

[0011] As a further description of the above technical solution: both the card block and the card slot are T-shaped, and the inner walls of the card block and the card slot are slidably connected in order to install the fixing frame and the filter screen into the recycling drawer.

[0012] This utility model has the following beneficial effects:

[0013] 1. Compared with existing technologies, this sandblasting device for processing castings, through the coordination of components such as a sandblasting box, mounting frame, placement tray, mounting frame, servo motor A, screw, slide bar, drive frame, servo motor B, rotating rod, sandblasting nozzle, sandblasting pump, air inlet pipe, connecting pipe, ventilation pipe, sand storage box, sand mixer, drive motor, pulley A, drive rod, pulley B, and transmission belt, achieves the function of adjusting the position and tilt angle of the sandblasting nozzle. It improves the installation method of the sandblasting nozzle in existing technologies, allowing the position height and tilt angle of the sandblasting nozzle to be adjusted according to usage requirements. At the same time, it can rotate the casting, thereby making the processing of the casting more comprehensive, shortening the processing time of the casting, accelerating the processing efficiency of the casting, and improving the practicality of the casting.

[0014] 2. Compared with existing technologies, this sandblasting device for processing castings achieves the function of recycling and filtering used sandblasting by setting up components such as a recycling drawer, slider, fixed frame, filter screen, card block, card slot, limit plate and fixed block. The used sandblasting accumulates into the inside of the recycling drawer under the action of gravity. At the same time, during the accumulation process, the filter screen filters out impurities in the sandblasting, thereby accelerating the sandblasting recycling efficiency and further improving the practicality of the sandblasting device on the original basis. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of a sandblasting device for processing castings proposed in this utility model;

[0016] Figure 2 This is a schematic diagram of the rotating rod structure of a sandblasting device for processing castings proposed in this utility model;

[0017] Figure 3 This is a schematic diagram of the slide bar structure of a sandblasting device for processing castings proposed in this utility model;

[0018] Figure 4 This is a schematic diagram of the placement tray structure of a sandblasting device for processing castings proposed in this utility model;

[0019] Figure 5 This is a schematic diagram of the recovery component structure of a sandblasting device for processing castings proposed in this utility model.

[0020] Legend:

[0021] 1. Sandblasting box; 2. Mounting bracket; 3. Placement tray; 4. Mounting frame; 5. Servo motor A; 6. Screw; 7. Slide rod; 8. Drive frame; 9. Servo motor B; 10. Rotating rod; 11. Sandblasting nozzle; 12. Sandblasting pump; 13. Air inlet pipe; 14. Connecting pipe; 15. Vent pipe; 16. Sand storage box; 17. Sand mixer; 18. Drive motor; 19. Pulley A; 20. Drive rod; 21. Pulley B; 22. Transmission belt; 23. Recycling drawer; 24. Slider; 25. Fixing frame; 26. Filter screen; 27. Locking block; 28. Locking groove; 29. ​​Limiting plate; 30. Fixing block. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Reference Figures 1 to 5 This utility model provides a sandblasting device for processing castings: it includes a sandblasting box 1 and a mounting frame 2. The mounting frame 2 is fixedly installed on the inner wall of the sandblasting box 1. A placement plate 3 is provided on the upper surface of the mounting frame 2. Mounting frames 4 are fixedly installed on the inner walls of the four ends of the sandblasting box 1. Two servo motors A5 are fixedly installed on the upper surface of one end of the sandblasting box 1. A screw 6 is fixedly installed on the output end of the servo motor A5. The screw 6 passes through the upper surface of the sandblasting box 1 and extends into the interior of the corresponding mounting frame 4. Slide rods 7 are fixedly installed on the inner walls of the other two mounting frames 4. Each of the four mounting frames 4 has a drive frame 8 inside. The upper surfaces of the two drive frames 8 on the left inner wall of the sandblasting box 1 are threaded to the corresponding screws 6. The two drive frames 8 on the right inner wall of the sandblasting box 1 are respectively sleeved on the outer surfaces of the two slide rods 7. Servo motors B9 are fixedly installed on the side walls of the two drive frames 8 on the left inner wall of the sandblasting box 1. Rotary rods 10 are fixedly installed at the output end of the servo motors B9. The two rotary rods 10 are rotatably connected to the two drive frames 8 on the right inner wall of the sandblasting box 1. Several sandblasting nozzles 11 are fixedly installed on the outer surface of the rotary rods 10.

[0024] To introduce the air mixed with sandblasting into the sandblasting nozzle 11, a sandblasting pump 12 is fixedly installed on the upper surface of the sandblasting box 1. The air inlet of the sandblasting pump 12 is connected to an air inlet pipe 13, and the air outlet of the sandblasting pump 12 is connected to a connecting pipe 14. The connecting pipe 14 passes through the upper surface of the sandblasting box 1 and extends into the interior of the sandblasting box 1. The bottom end of the connecting pipe 14 is connected to a vent pipe 15. The sandblasting nozzle 11 is connected to the vent pipe 15 through a flexible hose. A sand storage box 16 is fixedly installed on the upper surface of the sandblasting box 1, and a sand mixer 17 connected to the air inlet pipe 13 is fixedly installed on the lower surface of the sand storage box 16.

[0025] In order to rotate the casting, the side wall of the sandblasting box 1 is provided with a through groove that communicates with the mounting frame 2. The side wall of the sandblasting box 1 is fixedly installed with a drive motor 18. The output end of the drive motor 18 is fixedly installed with a pulley A19 through a rotating shaft. The lower surface of the placement plate 3 is fixedly installed with a drive rod 20. The drive rod 20 passes through the upper surface of the mounting frame 2 and extends into the interior of the mounting frame 2. The outer surface of the drive rod 20 is fixedly installed with a pulley B21. The outer surfaces of the pulley A19 and the pulley B21 are together covered with a transmission belt 22.

[0026] By setting up a sandblasting box 1, mounting bracket 2, placement tray 3, mounting frame 4, servo motor A5, screw 6, slide rod 7, drive frame 8, servo motor B9, rotating rod 10, sandblasting nozzle 11, sandblasting pump 12, air inlet pipe 13, connecting pipe 14, vent pipe 15, sand storage box 16, sand mixer 17, drive motor 18, pulley A19, drive rod 20, pulley B21, and transmission belt 22, the function of adjusting the position and tilt angle of the sandblasting nozzle 11 is realized. This improves the installation method of the sandblasting nozzle 11 in the prior art. The position height and tilt angle of the sandblasting nozzle 11 can be adjusted according to the usage requirements. At the same time, the casting can be rotated, thereby making the processing of the casting more comprehensive, shortening the processing time of the casting, accelerating the processing efficiency of the casting, and improving the practicality of the casting.

[0027] The sandblasting box 1 is equipped with a recycling component, which includes a recycling drawer 23 and a slider 24. The recycling drawer 23 is installed inside the sandblasting box 1 through a mounting groove. The slider 24 is fixedly installed on the side wall of the recycling drawer 23. The inner wall of the sandblasting box 1 has a sliding groove that matches the slider 24. The top of the inside of the recycling drawer 23 is equipped with a fixing frame 25. The bottom inner wall of the fixing frame 25 is fixedly installed with a filter screen 26. Both sides of the fixing frame 25 are fixedly installed with locking blocks 27. Both sides of the inner wall of the recycling drawer 23 have locking slots 28. Both locking blocks 27 and locking slots 28 are T-shaped. The locking blocks 27 and the inner walls of the locking slots 28 are slidably connected. The front wall of the sandblasting box 1 is rotatably connected with a limiting plate 29. The front wall of the recycling drawer 23 is fixedly installed with a fixing block 30. The fixing block 30 is L-shaped. The limiting plate 29 is engaged with the fixing block 30 and abuts against the front wall of the recycling drawer 23.

[0028] By setting up a recycling drawer 23, a slider 24, a fixing frame 25, a filter screen 26, a card block 27, a card slot 28, a limiting plate 29, and a fixing block 30, the function of recycling and filtering used sandblasting is realized. Under the action of gravity, the used sandblasting accumulates into the inside of the recycling drawer 23. At the same time, during the accumulation process, the filter screen 26 filters the impurities in the sandblasting, thereby accelerating the recycling efficiency of sandblasting and further improving the practicality of the sandblasting device on the original basis.

[0029] Working principle: When using the sandblasting device to process castings, first place the castings on the upper surface of the placement tray 3, then close the door of the sandblasting box 1, and start the drive motor 18. When the drive motor 18 runs, it drives the pulley A19 to rotate through the rotating shaft. When the pulley A19 rotates, it drives the pulley B21 inside the mounting bracket 2 to rotate through the transmission belt 22. When the pulley B21 rotates, it drives the placement tray 3 to rotate through the drive rod 20, thereby causing the castings to rotate inside the sandblasting device.

[0030] Restart the sandblasting pump 12. When the sandblasting pump 12 is running, it draws in air through the air inlet pipe 13. When the air passes through the sand mixer 17, the sand mixer 17 mixes the sandblasting into the air. Then, the sandblasting pump 12 introduces the sandblasting-mixed air into the ventilation pipe 15 through the connecting pipe 14, and then introduces the sandblasting-mixed air into the sandblasting nozzle 11 through the hose. The sandblasting-mixed air is then sprayed out by the sandblasting nozzle 11. When the sandblasting-mixed air comes into contact with the casting, the casting is processed. Subsequently, the sandblasting sinks under the action of gravity. After the sandblasting enters the interior of the recycling drawer 23, the filter screen 26 filters the impurities in the sandblasting. The filtered sandblasting accumulates at the bottom of the recycling drawer 23. When there is too much sandblasting inside the recycling drawer 23, the limiting plate 29 is rotated upward, so that the limiting plate 29 moves out of the inner part of the fixing block 30. After the limiting plate 29 is no longer in contact with the recycling drawer 23, pull the recycling drawer 23 out of the sandblasting box 1, so that the slider 24 slides inside the slide groove. After the recycling drawer 23 slides out of the sandblasting box 1, pull the fixing frame 25 upward, so that the fixing frame 25 drives the filter screen 26 to slide upward on the inner wall of the recycling drawer 23, and the locking block 27 slides inside the locking groove 28. After the locking block 27 slides out of the locking groove 28, the fixing frame 25 separates from the recycling drawer 23. At this time, the sandblasting inside the recycling drawer 23 can be recycled, and the impurities accumulated on the filter screen 26 can be cleaned. After recycling and cleaning are completed, the above operations are reversed to reinstall the filter screen 26 into the recycling drawer 23, and then the recycling drawer 23 is installed back into the sandblasting box 1.

[0031] When the height and tilt angle of the sandblasting nozzle 11 need to be adjusted, the servo motor A5 is started. When the servo motor A5 is running, it drives the screw 6 to rotate inside the mounting frame 4. When the screw 6 rotates, it drives the drive frame 8 to move. Under the action of the servo motor B9, the rotating rod 10 and the opposite drive frame 8, the two drive frames 8 move along the outer surface of the screw 6 and the slide rod 7, causing the servo motor B9 and the rotating rod 10 to slide up or down, thereby driving the sandblasting nozzle 11 to rise or fall. At the same time, the servo motor B9 is started. When the servo motor B9 is running, it drives the rotating rod 10 to rotate up or down. During the rotation of the rotating rod 10, it drives the sandblasting nozzle 11 to rotate up or down, thereby adjusting the height and tilt angle of the sandblasting nozzle 11. When the sandblasting nozzle 11 reaches the appropriate height and tilt angle, the servo motor A5 and the servo motor B9 are turned off.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A sandblasting device for processing castings, comprising a sandblasting box (1) and a mounting frame (2), characterized in that: The mounting bracket (2) is fixedly installed on the inner wall of the sandblasting box (1). A placement plate (3) is provided on the upper surface of the mounting bracket (2). Mounting frames (4) are fixedly installed on the inner walls of the four ends of the sandblasting box (1). Two servo motors A (5) are fixedly installed on the upper surface of one end of the sandblasting box (1). A screw (6) is fixedly installed on the output end of the servo motor A (5). The screw (6) penetrates the upper surface of the sandblasting box (1) and extends into the interior of the corresponding mounting frame (4). The inner walls of the other two mounting frames (4) are fixedly installed. A sliding rod (7) is fixedly installed. Each of the four mounting frames (4) is equipped with a drive frame (8). A servo motor B (9) is fixedly installed on the side wall of the two drive frames (8) on the left inner wall of the sandblasting box (1). A rotating rod (10) is fixedly installed at the output end of the servo motor B (9). The two rotating rods (10) are rotatably connected to the two drive frames (8) on the right inner wall of the sandblasting box (1). Several sandblasting nozzles (11) are fixedly installed on the outer surface of the rotating rod (10). A recycling component is provided inside the sandblasting box (1).

2. The sandblasting device for processing castings according to claim 1, characterized in that: The upper surfaces of the two drive frames (8) on the left inner wall of the sandblasting box (1) are threaded to the corresponding screws (6), and the two drive frames (8) on the right inner wall of the sandblasting box (1) are respectively sleeved on the outer surfaces of the two slide rods (7).

3. The sandblasting device for processing castings according to claim 1, characterized in that: A sandblasting pump (12) is fixedly installed on the upper surface of the sandblasting box (1). The air inlet of the sandblasting pump (12) is connected to an air inlet pipe (13). The air outlet of the sandblasting pump (12) is connected to a connecting pipe (14). The connecting pipe (14) passes through the upper surface of the sandblasting box (1) and extends into the interior of the sandblasting box (1). The bottom end of the connecting pipe (14) is connected to a vent pipe (15). The sandblasting nozzle (11) is connected to the vent pipe (15) through a flexible hose. A sand storage box (16) is fixedly installed on the upper surface of the sandblasting box (1). A sand mixer (17) connected to the air inlet pipe (13) is fixedly installed on the lower surface of the sand storage box (16).

4. The sandblasting device for processing castings according to claim 1, characterized in that: The side wall of the sandblasting box (1) is provided with a through groove that communicates with the mounting frame (2). A drive motor (18) is fixedly installed on the side wall of the sandblasting box (1). The output end of the drive motor (18) is fixedly installed with a pulley A (19) through a rotating shaft. A drive rod (20) is fixedly installed on the lower surface of the placement plate (3). The drive rod (20) passes through the upper surface of the mounting frame (2) and extends into the interior of the mounting frame (2). A pulley B (21) is fixedly installed on the outer surface of the drive rod (20). A transmission belt (22) is sleeved on the outer surfaces of the pulley A (19) and the pulley B (21).

5. A sandblasting device for processing castings according to claim 1, characterized in that: The recycling assembly includes a recycling drawer (23) and a slider (24). The recycling drawer (23) is installed inside the sandblasting box (1) via a mounting slot. The slider (24) is fixedly installed on the side wall of the recycling drawer (23). A fixing frame (25) is provided at the top of the inside of the recycling drawer (23). A filter screen (26) is fixedly installed on the bottom inner wall of the fixing frame (25). A locking block (27) is fixedly installed on both side walls of the fixing frame (25). A locking groove (28) is provided on both inner walls of the recycling drawer (23). A limit plate (29) is rotatably connected to the front wall of the sandblasting box (1). A fixing block (30) is fixedly installed on the front wall of the recycling drawer (23).

6. A sandblasting device for processing castings according to claim 5, characterized in that: The inner wall of the sandblasting box (1) is provided with a sliding groove that matches the slider (24). The fixed block (30) is L-shaped. The limiting plate (29) is engaged with the fixed block (30). The limiting plate (29) abuts against the front wall of the recycling drawer (23).

7. A sandblasting device for processing castings according to claim 5, characterized in that: Both the card block (27) and the card slot (28) are T-shaped, and the inner walls of the card block (27) and the card slot (28) are slidably connected.