A portable sandblaster with adjustable sandblasting angle

Abstract

This utility model discloses a portable sandblasting machine with adjustable sandblasting angle, including a frame that forms the main framework of the equipment and has anti-slip feet at the bottom; a processing chamber, opened inside the frame, for accommodating the workpiece; and a sand storage tank, fixed to the upper part of the frame and connected to the sandblasting head via a sandblasting pipe. When processing a workpiece, this portable sandblasting machine first drives an air pump to generate high-pressure gas inside the sand storage tank. Using compressed air as power, the sand inside the storage tank is transported through the sandblasting pipe to the inside of the sandblasting head and sprayed outwards. At this time, a hydraulic rod is activated, and the output end of the hydraulic rod drives a rack to move back and forth. As the rack moves back and forth, it drives the gears at both ends to rotate. The rotation of the gears causes the adjusting plate on the outer side of the concentric shaft to rotate accordingly, causing the sandblasting head at the tail end of the adjusting plate to rotate back and forth, sandblasting and polishing the surface of a circular ring, thereby improving the ease of processing circular workpieces.

Description

Technical Field

[0001] This utility model relates to the field of sandblasting machine technology, specifically a portable sandblasting machine with adjustable sandblasting angle. Background Technology

[0002] A sandblasting machine is a mechanical device that uses compressed air as power to propel abrasive particles at high speed onto the surface of a workpiece, thereby altering the workpiece's surface mechanical properties and appearance. Powered by compressed air, the sandblasting machine transports powdery granular material from one location to another within a pipeline. During the conversion of kinetic energy into potential energy, the high-speed moving sand particles scour the object's surface. The abrasive impacts and cuts the workpiece surface, resulting in a certain degree of cleanliness and varying roughness, thus improving the workpiece's mechanical properties.

[0003] A portable sandblasting machine, disclosed in CN216000101U, belongs to the field of air conveying machinery. It includes a box-type sandblasting machine, which further comprises a box body. A sandblasting tank is fixedly installed on the outer wall of one end of the box body, and a sandblasting pipe is fixedly connected to one end of the sandblasting tank. The other end of the sandblasting pipe is placed inside the box body. A control console is assembled on the top of the box body. An opening protection device is fixedly assembled on the back of the box body near the side door. A dust suction pipe is welded at equal intervals to one side of the dust suction shell and inserted into the interior of the box body. A filter screen is fixedly installed on one side inside the dust suction shell. Rotary shafts are rotatably installed inside the pneumatic shell. This design prevents dust from obstructing the worker's view, ensures a good observation window, and is easy to operate. Furthermore, it avoids workers inhaling excessive dust when retrieving parts, provides a good retrieval environment, and does not generate additional power consumption.

[0004] However, the device lacks an angle adjustment mechanism, making it difficult to grind circular or round workpieces, which affects the efficiency of workpiece processing.

[0005] To address the aforementioned issues, we have made innovative designs based on the existing portable sandblasting machine structure with adjustable sandblasting angle. Utility Model Content

[0006] The purpose of this invention is to provide a portable sandblasting machine with adjustable sandblasting angle, in order to solve the problem in the background art that the device does not have an angle adjustment structure, making it difficult to conveniently grind circular or round workpieces, thus affecting the efficiency of workpiece processing.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a portable sandblasting machine with adjustable sandblasting angle, comprising a frame forming the main frame of the equipment, with anti-slip feet at the bottom; a processing chamber inside the frame for accommodating the workpiece; a sand storage tank fixed to the upper part of the frame and connected to the sandblasting head via a sandblasting pipe; an air pump installed on the upper platform of the frame and connected to the pressure chamber of the sand storage tank via an air pipe; and an angle adjustment assembly comprising: a fixing plate vertically welded to the side of the frame; a hydraulic rod hinged at one end to the fixing plate and connected to a rack at the other end; a concentric shaft passing through the middle section of the sandblasting pipe, with both ends rotatably connected to the frame via bearings; a gear fixed on the concentric shaft and meshing with the rack; an adjustment plate keyed to the concentric shaft, with the tail end of the adjustment plate connected to the sandblasting head; and a clamping assembly disposed inside the processing chamber.

[0008] Preferably, the sandblasting heads are arranged symmetrically about the midpoint of the rack in two sets, and the sandblasting heads are connected to the end of the sandblasting pipe through a universal joint, and the sandblasting pipe is a flexible connecting hose that can be stretched.

[0009] By adopting the above technical solution, the connection hose can be set so that the sandblasting head is not limited by length when rotating, thus avoiding insufficient length of the sandblasting tube when the sandblasting head rotates.

[0010] Preferably, the rack is a double-sided rack, with its two sides meshing with the gears at both ends.

[0011] By adopting the above technical solution, the double-sided rack can synchronously drive the gears on both sides to rotate when moving back and forth.

[0012] Preferably, the maximum stroke of the blasting head rotation angle is 170°.

[0013] By adopting the above technical solution, the sandblasting head will not collide when rotating.

[0014] Preferably, the clamping assembly includes a guide rod and a clamping plate, the guide rod being slidably connected to the inside of the frame, and the clamping plate being fixedly connected to the tail end of the guide rod.

[0015] By adopting the above technical solution, the workpiece can be clamped on both sides through the setting of clamping plates, thereby fixing the workpiece inside the frame.

[0016] Preferably, the clamping assembly further includes a telescopic spring, the two ends of which are respectively connected to the end of the guide rod and the outer wall of the frame.

[0017] By adopting the above technical solution and by setting the telescopic spring, the clamping plate can be automatically reset and clamped at both sides of the workpiece.

[0018] Preferably, the clamping plates are arranged in two sets symmetrically about the midpoint of the workpiece, and the clamping plates have an arc-shaped structure when viewed from above.

[0019] By adopting the above technical solution and setting the clamping plate to an arc shape, it can better clamp and fix the workpiece during processing.

[0020] Compared with the prior art, the beneficial effect of this utility model is that the portable sandblasting machine with adjustable sandblasting angle is equipped with:

[0021] 1. Angle adjustment structure: When the workpiece needs to be processed, this structure first drives the air pump to generate high-pressure gas inside the sand storage tank. Using compressed air as power, the sand inside the sand storage tank is transported through the sandblasting pipe to the inside of the sandblasting head and sprayed outward. At this time, the hydraulic rod is activated. The output end of the hydraulic rod drives the rack to move back and forth. When the rack moves back and forth, it drives the gears at both ends to rotate. The rotation of the gears drives the adjustment plate on the outside of the concentric shaft to rotate accordingly. This causes the sandblasting head at the tail end of the adjustment plate to rotate back and forth, sandblasting and polishing the surface of the ring, thereby improving the processing convenience of the ring workpiece.

[0022] 2. Fixed structure: When it is necessary to fix the workpiece, first pull the clamps on both sides outward and stretch the telescopic springs. Then place the workpiece between the two clamps. After placement, release the clamps. The clamps will reset by the elastic force of the telescopic springs, thereby moving the clamps at both ends towards each other to clamp the two ends of the workpiece and fix the workpiece inside the frame. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the overall front view of the present invention;

[0025] Figure 3 This is a schematic diagram of the overall bottom view of the present invention;

[0026] Figure 4 This is a three-dimensional structural diagram of the angle adjustment component of this utility model;

[0027] Figure 5 This utility model Figure 3 Enlarged structural diagram at point A in the middle;

[0028] Figure 6 This is a three-dimensional structural diagram of the clamping component of this utility model.

[0029] In the diagram: 1. Frame; 2. Machining chamber; 3. Workpiece; 4. Sand storage tank; 5. Air pump; 6. Air pipe; 7. Sandblasting pipe; 8. Sandblasting head; 9. Angle adjustment assembly; 901. Fixing plate; 902. Hydraulic rod; 903. Rack; 904. Concentric shaft; 905. Gear; 906. Adjusting plate; 10. Clamping assembly; 1001. Guide rod; 1002. Clamping plate; 1003. Telescopic spring. Detailed Implementation

[0030] 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.

[0031] Please see Figures 1-6 This utility model provides a technical solution: a portable sandblasting machine with adjustable sandblasting angle, comprising:

[0032] Example 1: As Figures 1-5 The present invention provides a technical solution: a portable sandblasting machine with adjustable sandblasting angle, comprising: a frame 1, forming the main frame of the equipment, with anti-slip feet at the bottom; a processing chamber 2, opened inside the frame 1, for accommodating the workpiece 3; a sand storage tank 4, fixed to the upper part of the frame 1, connected to the sandblasting head 8 via a sandblasting pipe 7; an air pump 5, installed on the upper platform of the frame 1, connected to the pressure chamber of the sand storage tank 4 via an air pipe 6; and an angle adjustment assembly 9, including: A fixed plate 901 is vertically welded to the side of the frame 1; a hydraulic rod 902 is hinged at one end to the fixed plate 901 and connected to a rack 903 at the other end; a concentric shaft 904 passes through the middle section of the sandblasting pipe 7 and is rotatably connected to the frame 1 at both ends via bearings; a gear 905 is fixed on the concentric shaft 904 and meshes with the rack 903; an adjusting plate 906 is keyed to the concentric shaft 904 and its tail end is connected to the sandblasting head 8; and a clamping assembly 10 is located inside the processing cavity 2.

[0033] Two sets of sandblasting heads 8 are symmetrically arranged about the midpoint of the rack 903. The sandblasting heads 8 are connected to the end of the sandblasting pipe 7 via a universal joint. The sandblasting pipe 7 is a flexible connecting hose that can be stretched. The rack 903 is a double-sided rack, with its two sides meshing with the gears 905 at both ends. The maximum stroke of the sandblasting head 8 is 170°.

[0034] When this structure needs to process workpiece 3, it first drives the air pump 5, which generates high-pressure gas inside the sand storage tank 4. Using compressed air as power, the sand inside the sand storage tank 4 is transported through the sandblasting pipe 7 to the inside of the sandblasting head 8 and sprayed outward. At this time, the hydraulic rod 902 is activated. The output end of the hydraulic rod 902 drives the rack 903 to move back and forth. When the rack 903 moves back and forth, it drives the gears 905 at both ends to rotate. The rotation of the gears 905 drives the adjusting plate 906 on the outside of the concentric shaft 904 to rotate accordingly. This causes the sandblasting head 8 at the tail end of the adjusting plate 906 to rotate back and forth, sandblasting and polishing the surface of the ring-shaped workpiece 3, thereby improving the processing convenience of the ring-shaped workpiece 3.

[0035] Example 2: Figures 1-3 , Figure 6 The present invention provides a technical solution: a portable sandblasting machine with adjustable sandblasting angle, which discloses that: the clamping assembly 10 includes a guide rod 1001 and a clamping plate 1002, the guide rod 1001 is slidably connected to the inner side of the frame 1, and the clamping plate 1002 is fixedly connected to the tail end of the guide rod 1001; the clamping assembly 10 also includes a telescopic spring 1003, the two ends of the telescopic spring 1003 are respectively connected to the end of the guide rod 1001 and the outer wall of the frame 1; the clamping plate 1002 is symmetrically arranged in two sets about the midpoint of the workpiece 3, and the clamping plate 1002 is arc-shaped when viewed from above;

[0036] When the workpiece 3 needs to be fixed, the clamping plates 1002 on both sides are pulled outward first, and the telescopic springs 1003 are stretched. Then the workpiece 3 is placed between the clamping plates 1002 at both ends. After placement, the clamping plates 1002 are released, and the clamping plates 1002 are reset by the elastic force of the telescopic springs 1003, so that the clamping plates 1002 at both ends move towards each other, clamping the two ends of the workpiece 3 and fixing the workpiece 3 inside the frame 1.

[0037] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A portable sandblaster with adjustable sandblasting angle, characterized in that, include: The frame (1) forms the main frame of the equipment, and the bottom is provided with anti-slip feet; The machining cavity (2) is located inside the frame (1) and is used to accommodate the workpiece (3). The sand storage tank (4) is fixed on the upper part of the frame (1) and connected to the sandblasting head (8) through the sandblasting pipe (7); An air pump (5) is installed on the upper platform of the frame (1) and is connected to the pressure chamber of the sand storage tank (4) through an air pipe (6); Angle adjustment component (9) includes: The fixing plate (901) is vertically welded to the side of the frame (1); The hydraulic rod (902) is hinged at one end to the fixed plate (901) and connected to the rack (903) at the other end. The concentric shaft (904) passes through the middle section of the sandblasting pipe (7), and its two ends are rotatably connected to the frame (1) through bearings; Gear (905) is fixed on a concentric shaft (904) and meshes with rack (903); The adjusting plate (906) is keyed to the concentric shaft (904), and the tail end of the adjusting plate (906) is connected to the sandblasting head (8); The clamping assembly (10) is located inside the machining cavity (2).

2. The portable sandblaster of claim 1, wherein: The sandblasting head (8) is arranged in two sets symmetrically about the midpoint of the rack (903), and the sandblasting head (8) is connected to the end of the sandblasting pipe (7) through a universal joint. The sandblasting pipe (7) is a flexible connecting hose that can be stretched.

3. The portable sandblaster of claim 2, wherein: The rack (903) is a double-sided rack, with its two sides meshing with the gears (905) at both ends.

4. The portable sandblaster of claim 2, wherein: The maximum stroke of the blasting head (8) is 170°.

5. The portable sandblaster of claim 1, wherein: The clamping assembly (10) includes a guide rod (1001) and a clamping plate (1002). The guide rod (1001) is slidably connected to the inside of the frame (1), and the clamping plate (1002) is fixedly connected to the tail end of the guide rod (1001).

6. A portable sandblasting machine with adjustable sandblasting angle according to claim 5, characterized in that: The clamping assembly (10) also includes a telescopic spring (1003), the two ends of which are connected to the end of the guide rod (1001) and the outer wall of the frame (1).

7. The portable sandblaster of claim 5, wherein: The clamping plates (1002) are arranged in two sets symmetrically about the midpoint of the workpiece (3), and the clamping plates (1002) are arc-shaped structures when viewed from above.

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