Handheld sand blasting machine

Abstract

The utility model relates to the technical field of handheld sand blasting machines, and discloses a handheld sand blasting machine, which comprises a working table, a sand grain container, a spray gun and a sand blasting box, a processing table is fixed at the bottom position in the sand blasting box, and a support plate is fixed at the bottom end of a suspension rod. The processing table is fixedly mounted at the bottom in the sand blasting box, the left side edge of the processing table is inclined, so that waste materials generated during sand blasting can be discharged from the discharge port, the water tank is mounted at the top of the sand blasting box, inlet water treatment is performed at the water inlet, and the process is filtered by the filter plate, so that the waste materials can be discharged from the sand blasting box. After a water pump is started to work, a water source in a water tank is pumped under the connection of a first drainage pipe, then the water source is drained into a water storage pipe after being drained through a second drainage pipe, the purpose of cleaning a workpiece is achieved through uniform spraying of a spraying head, and therefore the overall cleaning capacity is well improved in the working process.

Description

Technical Field

[0001] This utility model relates to the technical field of handheld sandblasting machines, specifically a handheld sandblasting machine. Background Technology

[0002] A handheld sandblasting machine is a portable sandblasting device, mainly used for surface treatment of small or hard-to-move workpieces. It uses high-speed jets of sand particles to impact the surface of objects, achieving the effect of cleaning and improving surface quality. A handheld sandblasting machine usually consists of a sandblasting gun, a sand container, and a compressed air supply system. It has many advantages such as convenience and flexible operation.

[0003] Handheld sandblasting machines are widely used in home renovation, automotive repair, and metal processing because they can be applied to workpieces of various shapes and sizes, especially small or difficult-to-move workpieces. They can remove dirt, oxide layers, coatings, etc. from the surface, improving the surface quality and adhesion of the workpiece. However, during the sandblasting process, the abrasive particles used can easily remain on the surface of the workpiece. If the workpiece is not cleaned properly, these residues and fine sand particles can affect the adhesion of subsequent coatings or other applications. Utility Model Content

[0004] The purpose of this invention is to provide a handheld sandblasting machine to solve the problem mentioned in the background art that abrasive particles used in the sandblasting process are easily left on the surface of the workpiece. If the workpiece is not cleaned properly, these residues and fine sand particles will affect the adhesion of subsequent coatings or other applications.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a handheld sandblasting machine, comprising a workbench, a sand container, a spray gun, and a sandblasting box. A processing table is fixed at the bottom of the sandblasting box, and the left side of the processing table is inclined. A discharge port is fixed at the lower left side of the sandblasting box. A water tank is installed on one side of the top of the sandblasting box, and a water inlet is installed on one side of the top of the water tank. A water pump is installed at the left side of the top of the sandblasting box. One end of the water pump is connected to a first drain pipe, and the other end of the water pump is connected to a second drain pipe. A water storage pipe is installed at the top of the sandblasting box, and a spray head is connected to the bottom of the water storage pipe. A suspension rod is fixed at the bottom of the workbench, and a support plate is fixed at the bottom end of the suspension rod.

[0006] As a further technical solution of this utility model, the suspension rods are symmetrically distributed about the central axis of the support plate, and a reinforcing rib is fixed to the upper part of the outer side of the suspension rods.

[0007] As a further technical solution of this utility model, one end of the first drainage pipe is connected to the inside of the water tank, one end of the second drainage pipe extends into the inside of the sandblasting box and is connected to the water storage pipe, and the spray heads are evenly distributed at the bottom of the water storage pipe.

[0008] As a further technical solution of this utility model, an arc-shaped mounting plate is fixed at the upper position of the inner wall of the water inlet, a filter plate is assembled above the arc-shaped mounting plate, and a connecting bolt is assembled between the filter plate and the arc-shaped mounting plate.

[0009] As a further technical solution of this utility model, an air compressor box is installed at the lower right side of the sandblasting box, a hanging back plate is installed at the upper right side of the sandblasting box, a pump body is assembled on the back end face of the sand container, one end of the pump body is connected to a first pipe, and a feed port is installed at the upper front end of the sand container.

[0010] As a further technical solution of this utility model, a drive motor is installed on one side of the sand container, and a drive rod is connected to the output end of the drive motor. Stirring blades are evenly distributed on the outside of the drive rod.

[0011] As a further technical solution of this utility model, the tail end of the first pipe extends to the position of the air compression box, the top of the air compression box is connected to a material conveying pipe, and the tail end of the material conveying pipe is connected to a spray gun.

[0012] As a further technical solution of this utility model, a U-shaped frame is assembled on the front end face of the hanging back plate, a second pipe is connected above the bottom arc surface of the U-shaped frame, a bearing plate is connected to the top of the second pipe, and a protective pad is glued and fixed to the top of the bearing plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are: this handheld sandblasting machine not only improves the workpiece cleaning ability, but also improves the spray gun mounting ability and material processing ability of the handheld sandblasting machine.

[0014] (1) By installing and fixing the processing table at the bottom of the sandblasting box, the left side of the processing table is inclined, so the waste generated during sandblasting can be discharged at the discharge port. During sandblasting, the workpiece is placed above the processing table, and the raw material is sprayed out by the spray gun for sandblasting. A water tank is installed at the top of the sandblasting box, and water is fed in at the inlet. This process is filtered by the filter plate. After the water pump is started, the water source in the water tank is drawn out under the connection of the first diversion pipe. Then, after the second diversion pipe is diverted, the water source is diverted to the inside of the water storage pipe, and the spray head sprays evenly to achieve the purpose of cleaning the workpiece. In this way, the overall cleaning ability is improved in the working process.

[0015] (2) By installing and fixing the mounting back plate on the upper side of the sandblasting box and assembling the U-shaped frame in front of the mounting back plate, the bottom support can be provided by the bearing plate when the spray gun is placed. At the same time, after the protective pad is glued and fixed, the contact protection during support is improved, thereby improving the mounting capacity of the spray gun.

[0016] (3) By opening the feed inlet at the upper front of the sand container, the raw material can be fed at the feed inlet. Then, a pump body is installed at the back of the sand container. After the raw material is fed into the sand container, the drive motor can be started to drive the drive rod to rotate. The drive rod and the stirring blade work together to mix the raw material. Then, the pump body is started to transport the material at the first pipeline, which facilitates the raw material processing. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0018] Figure 2 This is a rear view schematic diagram of the sand container of this utility model;

[0019] Figure 3 This is a schematic diagram of the U-shaped frame structure of this utility model;

[0020] Figure 4 This is a top view cross-sectional structural diagram of the water inlet of this utility model.

[0021] In the diagram: 1. Workbench; 2. Suspension rod; 3. Drive motor; 4. Support plate; 5. Sand container; 6. Drive rod; 7. Agitator blade; 8. First pipe; 9. Processing table; 10. Air compressor box; 11. Material conveying pipe; 12. Hanging back plate; 13. U-shaped frame; 14. Spray gun; 15. Water inlet; 16. Water tank; 17. First drain pipe; 18. Water pump; 19. Second drain pipe; 20. Water storage pipe; 21. Spray head; 22. Sandblasting box; 23. Discharge port; 24. Feed port; 25. Pump body; 26. Second pipe; 27. Bearing plate; 28. Protective pad; 29. ​​Arc-shaped mounting plate; 30. Filter plate; 31. Connecting bolts. 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] Please see Figure 1-4An embodiment of this utility model provides a handheld sandblasting machine, including a workbench 1, a sand container 5, a spray gun 14, and a sandblasting box 22. A processing table 9 is fixed at the bottom of the sandblasting box 22, and the left side of the processing table 9 is inclined. A discharge port 23 is fixed at the lower left side of the sandblasting box 22. A water tank 16 is installed on one side of the top of the sandblasting box 22, and a water inlet 15 is installed on one side of the top of the water tank 16. A water pump 18 is installed at the left side of the top of the sandblasting box 22. One end of the water pump 18 is connected to a first drain pipe 17, and the other end of the water pump 18 is connected to a second drain pipe 19. A water storage pipe 20 is installed at the top of the sandblasting box 22, and a spray head 21 is connected to the bottom of the water storage pipe 20. A suspension rod 2 is fixed at the bottom of the workbench 1, and a support plate 4 is fixed at the bottom of the suspension rod 2.

[0024] The suspension rods 2 are symmetrically distributed about the central axis of the support plate 4, and a reinforcing rib is fixed to the upper part of the suspension rods 2.

[0025] One end of the first drain pipe 17 is connected to the inside of the water tank 16, and one end of the second drain pipe 19 extends into the inside of the sandblasting box 22 and is connected to the water storage pipe 20. The spray heads 21 are evenly distributed at the bottom of the water storage pipe 20.

[0026] An arc-shaped mounting plate 29 is fixed at the upper front and rear of the inner wall of the inlet 15. A filter plate 30 is mounted above the arc-shaped mounting plate 29. A connecting bolt 31 is installed between the filter plate 30 and the arc-shaped mounting plate 29.

[0027] An air compressor box 10 is installed at the lower right side of the sandblasting box 22, and a hanging back plate 12 is installed at the upper right side of the sandblasting box 22. A pump body 25 is assembled on the back end of the sand container 5, and one end of the pump body 25 is connected to a first pipe 8. A feed inlet 24 is installed at the upper front end of the sand container 5.

[0028] A drive motor 3 is installed on one side of the sand container 5. The output end of the drive motor 3 is connected to a drive rod 6. Stirring blades 7 are evenly distributed on the outside of the drive rod 6.

[0029] The tail end of the first pipe 8 extends to the position of the air compression box 10. The top of the air compression box 10 is connected to the material conveying pipe 11, and the tail end of the material conveying pipe 11 is connected to the spray gun 14.

[0030] The front end of the hanging back plate 12 is equipped with a U-shaped frame 13. A second pipe 26 is connected above the bottom arc surface of the U-shaped frame 13. A bearing plate 27 is connected to the top of the second pipe 26. A protective pad 28 is glued and fixed to the top of the bearing plate 27.

[0031] Furthermore, a corresponding controller is provided on the side of the sandblasting box 22 to facilitate the opening and closing of working components such as the air compressor box 10 and the pump body 25.

[0032] Furthermore, each of the aforementioned first pipe 8, first drain pipe 17, second drain pipe 19, and second pipe 26 is equipped with a solenoid valve to facilitate the control of flow opening and closing.

[0033] Working principle: First, the workpiece is placed above the processing table 9. After the drive motor 3 is started, it drives the drive rod 6 to rotate. The drive rod 6 and the stirring blade 7 work together to mix the raw materials. Then, the pump body 25 is started and the material is conveyed through the first pipe 8. After the operator holds the spray gun 14, it can work with the air compressor box 10 to sandblast the workpiece. The waste generated during sandblasting can be discharged through the discharge port 23. After the water pump 18 is started, the water source in the water tank 16 is drawn through the first diversion pipe 17. Then, the water source is diverted through the second diversion pipe 19 to the inside of the water storage pipe 20. The spray head 21 sprays the water evenly to achieve the purpose of cleaning the workpiece. Finally, after the workpiece is cleaned, the sandblasting and cleaning work is completed.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A hand-held sandblasting machine comprising a worktable (1), a sand container (5), a spray gun (14), a sandblasting box (22), characterized in that: The bottom position fixed in the sand blasting box (22) is provided with a processing table (9), the left side of the processing table (9) is inclined, the lower position of the left side of the sand blasting box (22) is provided with a discharge port (23), one side of the top end of the sand blasting box (22) is provided with a water tank (16), one side of the top end of the water tank (16) is provided with a water inlet (15), the left position of the top of the sand blasting box (22) is provided with a water pump (18), one end of the water pump (18) is connected with a first drainage pipe (17), the other end of the water pump (18) is connected with a second drainage pipe (19), the top position in the sand blasting box (22) is provided with a water storage pipe (20), the bottom position of the water storage pipe (20) is connected with a spray head (21), the bottom position of the workbench (1) is fixedly provided with a suspension rod (2), and the bottom end of the suspension rod (2) is fixedly provided with a support plate (4).

2. The hand-held sandblaster of claim 1, wherein: The suspension rod (2) is symmetrically distributed about the central axis of the support plate (4), and the upper position of the outer side of the suspension rod (2) is fixedly provided with a reinforcing rib plate.

3. The hand-held sandblaster of claim 1, wherein: One end of the first drainage pipe (17) communicates with the inside of the water tank (16), one end of the second drainage pipe (19) extends into the inside of the sand blasting box (22) and communicates with the water storage pipe (20), and the spray head (21) is uniformly distributed at the bottom of the water storage pipe (20).

4. The hand-held sandblaster of claim 1, wherein: The arc-shaped mounting plate (29) is fixedly arranged at the upper position of the inner wall of the water inlet (15), the filter plate (30) is arranged above the arc-shaped mounting plate (29), and the connecting bolt (31) is arranged between the filter plate (30) and the arc-shaped mounting plate (29).

5. The hand-held sandblaster of claim 1, wherein: The air compression box (10) is arranged at the lower position of the right side of the sand blasting box (22), the hanging back plate (12) is arranged at the upper position of the right side of the sand blasting box (22), the pump body (25) is arranged at the back end of the sand particle container (5), one end of the pump body (25) is connected with the first pipeline (8), and the feeding port (24) is arranged at the upper position of the front end of the sand particle container (5).

6. The hand-held sandblaster of claim 1, wherein: The driving motor (3) is arranged on one side of the sand particle container (5), the output end of the driving motor (3) is connected with the driving rod (6), and the stirring blades (7) are uniformly distributed on the outer side of the driving rod (6).

7. The hand-held sandblaster of claim 5, wherein: The tail end of the first pipeline (8) extends to the position of the air compression box (10), the material conveying pipe (11) is connected to the top end of the air compression box (10), and the tail end of the material conveying pipe (11) is connected with the spray gun (14).

8. The hand-held sandblaster of claim 5, wherein: The U-shaped frame (13) is arranged on the front end face of the hanging back plate (12), the second pipeline (26) is connected to the upper position of the arc face of the bottom of the U-shaped frame (13), the bearing plate (27) is connected to the top of the second pipeline (26), and the protective pad (28) is fixedly bonded to the top end of the bearing plate (27).

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