Sand blasting assembly with low maintenance cost
By adopting the design of sand drop pipe and gas supply pipe in the sandblasting equipment, the uniform mixing of sand material and high-pressure gas is achieved, the sandblasting effect is improved, and the maintenance cost is reduced through the removable design.
Patent Information
- Application Number
- CN202422414316.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-08
AI Technical Summary
The sand material and air are mixed unevenly in existing sandblasting equipment, and the sandblasting effect is difficult to guarantee. The high hardness of the sand material leads to serious wear of the pipeline and high maintenance costs.
The sand drop pipe and gas supply pipe are designed to supply sand and high-pressure gas separately. The sand drop pipe enters the side pipe through the sand drop pipe and mixes with the high-pressure airflow in the main pipe. The sand drop pipe and sand blasting gun can be removed and repaired separately, and the hose connection and worm transmission hose clamp are used to simplify the disassembly and assembly.
The uniform mixing of sand material and high-pressure gas is achieved, which improves the sandblasting effect and reduces maintenance costs.
Smart Images
Figure CN223172731U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sandblasting processes, and particularly to a sandblasting assembly with low maintenance costs. Background Art
[0002] The sandblasting process is a process that uses abrasive particles ejected at high speed to impact the surface of a workpiece to remove surface scale, rust, old coatings or other impurities, can increase surface roughness, and improve the adhesion of a new coating. Existing sandblasting equipment generally includes a box body with an accommodation cavity arranged inside, a sand storage bin, a high-pressure pump, and a sandblasting gun; the input end of the high-pressure pump is communicated with the sand storage bin; the output end of the high-pressure pump is communicated with the tail of the sandblasting gun. However, this sandblasting equipment has the following disadvantages: Disadvantage 1, the sand material ejected by the sandblasting gun is not evenly mixed with air, and it is difficult to guarantee the sandblasting effect; Disadvantage 2, the sand material has a relatively high hardness, and when flowing through the high-pressure pump and the sandblasting gun, it will exacerbate the wear of the pipelines along the way, so that the sandblasting equipment often needs to repair and replace the pipelines along the way; the maintenance cost of the sandblasting equipment remains high. Summary of the Utility Model
[0003] The purpose of the utility model is to solve the above problems and provide a sandblasting assembly with low maintenance costs.
[0004] The technical solution of the utility model is: a sandblasting assembly with low maintenance costs, including a box body, a sand storage bin, a sandblasting gun, and an air compressor; the sand storage bin is arranged at a high position and is provided with a sand outlet pipe at the bottom; the sand storage bin is used to store sand material; due to its own weight, these sand materials automatically slide out from the sand outlet pipe; the lower end of the sand outlet pipe is detachably connected with a sand dropping pipe; the sand material sliding out from the lower end of the sand outlet pipe enters the sand dropping pipe; the sandblasting gun is arranged inside the box body and includes a main pipe and a side pipe; the side pipe is communicated with the middle part of the main pipe; the sand dropping pipe penetrates through the high position of the left side wall of the box body and is detachably connected with the end of the side pipe; the sand material flows along the sand dropping pipe into the side pipe, and then flows along the side pipe into the middle part of the main pipe; the output end of the air compressor is connected with an air supply pipe; this air supply pipe penetrates through the bottom of the box body and is detachably connected with the end of the main pipe; the high-pressure air flow output by the air compressor flows along the air supply pipe into the main pipe and moves outward along the axis of the main pipe; the negative pressure suction generated by the flow of this high-pressure air flow also acts on the sand material entering the side pipe, so that the sand material and the high-pressure air flow are evenly mixed inside the main pipe and then are ejected from the end of the main pipe for sandblasting; both the sand dropping pipe and the sandblasting gun can be separately removed for repair and replacement, and the maintenance cost is low.
[0005] Preferably, both the sand dropping pipe and the air supply pipe are flexible hoses; both ends of the sand dropping pipe are respectively connected with the sand outlet pipe and the side pipe through worm-driven hose clamps; the air supply pipe is connected with the main pipe through a worm-driven hose clamp; the worm-driven hose clamp can simplify the disassembly and assembly process of the sand dropping pipe and the air supply pipe.
[0006] Preferably, air vent holes are evenly distributed on the side surface of the sand dropping pipe along the axis of the sand dropping pipe to facilitate the smooth passage of the sand material through the sand dropping pipe.
[0007] Preferably, a side door is provided on the right side of the box body for workpieces to enter and exit the box body.
[0008] Preferably, a turntable is provided inside the box body for holding the workpieces; workers can change the orientation of the workpieces on the turntable through the turntable so that each workpiece can be in the best orientation during sandblasting.
[0009] Preferably, the side tube is inclined relative to the main tube; the side tube is inclined toward the end of the main tube connected to the gas supply tube; when the sand falls from the side tube into the main tube, it will fall toward the other end of the main tube with a certain momentum, which is conducive to the full mixing of the sand and the high-pressure gas.
[0010] Preferably, an observation window is provided on the front of the box body so that workers can observe the sandblasting effect of the workpiece inside the box body.
[0011] Preferably, a bracket is provided at the bottom of the sand bin; the bracket includes a plurality of legs distributed around the circumference of the sand bin; the upper ends of the legs are fixedly connected to the bottom of the sand bin, and the lower ends are against the ground; the bracket supports the sand bin to maintain the sand bin at a higher position.
[0012] Furthermore, the legs are arranged to be tilted relative to the ground to improve the support stability of the bracket.
[0013] Furthermore, the bracket also includes a horizontal reinforcing hoop; the reinforcing hoop surrounds all the legs and is connected to the sides of all the legs; the reinforcing hoop can enhance the structural strength of the bracket.
[0014] Preferably, the sand material bin includes a bin body and a bin cover; a sand inlet is provided at the upper end of the bin body for adding sand material; the bin cover corresponds to the sand inlet and is snapped onto the sand inlet; the bin cover can shield the sand inlet to prevent foreign matter from entering the interior of the bin body and affecting the sandblasting effect.
[0015] The beneficial effects of the utility model are as follows: the sandblasting assembly with low maintenance cost of the utility model has the following advantages:
[0016] (1) The utility model provides a sand drop pipe and an air supply pipe for supplying sand and high-pressure gas respectively; the space inside the sandblasting gun is small, the sand supplied by the sand drop pipe and the high-pressure gas supplied by the air supply pipe are fully mixed, the sand sprayed is more uniform, and the sandblasting effect is better; and the sand drop pipe and the sandblasting gun can be removed separately for maintenance and replacement, and the maintenance cost is low;
[0017] (2) The air holes of the utility model can facilitate the smooth passage of sand through the sand drop pipe;
[0018] (3) The side pipe of the present invention is inclined toward the end of the main pipe connected to the gas supply pipe; when the sand falls from the side pipe into the main pipe, it will fall toward the other end of the main pipe with a certain momentum, which is conducive to the full mixing of the sand and the high-pressure gas. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 is a three-dimensional view of the sandblasting component with low maintenance cost of the present utility model;
[0020] Figure 2 is Figure 1 the enlarged view I of
[0021] Figure 3 is a three-dimensional view of the sandblasting component with low maintenance cost of the present utility model after removing the right door;
[0022] Figure 4 is Figure 3 the enlarged view II of
[0023] In the figure: 1. Box body, 11. Turntable, 12. Observation window, 13. Operating manhole, 2. Sand storage bin, 21. Sand dropping pipe, 211. Vent hole, 221. Leg, 222. Reinforcing hoop, 23. Bin body, 24. Bin cover, 31. Main pipe, 32. Side pipe, 4. Air compressor, 41. Air supply pipe, 5. Worm drive hose clamp. Specific embodiments
[0024] Embodiment 1: Refer to Figures 1-4 , a sandblasting component with low maintenance cost, including a box body 1, a sand storage bin 2, a sandblasting gun, and an air compressor 4; the sand storage bin 2 is arranged at a high place and is provided with a sand discharging pipe at the bottom; the sand storage bin 2 is used to store sand; due to its own weight, the sand automatically slides out from the sand discharging pipe; the lower end of the sand discharging pipe is detachably connected with a sand dropping pipe 21; the sand sliding out from the lower end of the sand discharging pipe enters the sand dropping pipe 21; the sandblasting gun is arranged inside the box body 1 and includes a main pipe 31 and a side pipe 32; the side pipe 32 is communicated with the middle part of the main pipe 31; the sand dropping pipe 21 penetrates through the high place of the left side wall of the box body 1 and is detachably connected with the end of the side pipe 32; the sand flows along the sand dropping pipe 21 into the side pipe 32 and then into the middle part of the main pipe 31 along the side pipe 32; the output end of the air compressor 4 is connected with an air supply pipe 41; the air supply pipe 41 penetrates through the bottom of the box body 1 and is detachably connected with the end of the main pipe 31; the high-pressure air flow output by the air compressor 4 enters the main pipe 31 along the air supply pipe 41 and moves outward along the axis of the main pipe 31; the negative pressure suction generated by the flow of the high-pressure air flow also acts on the sand entering the side pipe 32, so that the sand and the high-pressure air flow are evenly mixed inside the main pipe 31 and then are ejected from the end of the main pipe 31 for sandblasting; the sand dropping pipe 21 and the sandblasting gun can be separately removed for maintenance and replacement, and the maintenance cost is low.
[0025] Compared with the prior art, the present utility model provides a sand dropping pipe 21 and an air supply pipe 41 for separately supplying sand and high-pressure gas; the space inside the sandblasting gun is small, the sand supplied by the sand dropping pipe 21 and the high-pressure gas supplied by the air supply pipe 41 are fully mixed, the ejected sand is more uniform, and the sandblasting effect is better; and the sand dropping pipe 21 and the sandblasting gun can be separately removed for maintenance and replacement, and the maintenance cost is low.
[0026] The knockout pipe 21 and the air supply pipe 41 are both flexible hoses; both ends of the knockout pipe 21 are respectively connected to the sand outlet pipe and the side pipe 32 through a worm-driven hose clamp 5; the air supply pipe 41 is connected to the main pipe 31 through a worm-driven hose clamp 5; the worm-driven hose clamp 5 can simplify the disassembly and assembly process of the knockout pipe 21 and the air supply pipe 41.
[0027] The side of the knockout pipe 21 is evenly distributed with ventilation holes 211 along the axis direction of the knockout pipe 21 to facilitate the smooth passage of the sand material through the knockout pipe 21.
[0028] A side door is provided on the right side of the box body 1 for workpieces to enter and exit the box body 1.
[0029] A turntable 11 is provided inside the box body 1 for holding workpieces; workers can change the orientation of the workpieces on the turntable 11 through the turntable 11 so that each workpiece can be in the best orientation during sandblasting.
[0030] The side pipe 32 is inclined relative to the main pipe 31; the side pipe 32 is inclined towards the end of the main pipe 31 connected to the air supply pipe 41; when the sand material falls from the side pipe 32 into the main pipe 31, it will fall towards the other end of the main pipe 31 with a certain impact force, which is beneficial to the full mixing of the sand material and the high-pressure gas.
[0031] An observation window 12 is provided on the front of the box body 1 to facilitate workers to observe the sandblasting effect of the workpieces inside the box body 1.
[0032] Operation handholes 13 are symmetrically provided below the observation window 12 to facilitate workers to perform sandblasting operations.
[0033] A bracket is provided at the bottom of the sand bin 2; the bracket includes a number of legs 221 distributed around the circumference of the sand bin 2; the upper ends of the legs 221 are fixedly connected to the bottom of the sand bin 2, and the lower ends are in contact with the ground; the bracket supports the sand bin 2 to keep the sand bin 2 at a relatively high position. There are 3 legs 221 in this embodiment.
[0034] The legs 221 are inclined relative to the ground to improve the support stability of the bracket.
[0035] Working principle of this embodiment: The abrasive bin 2 is used to store abrasives; due to their own weight, these abrasives automatically slide out from the sand outlet pipe; the abrasives that slide out from the lower end of the sand outlet pipe enter the sand dropping pipe 21; the abrasives enter the side pipe 32 along the sand dropping pipe 21 and then enter the middle part of the main pipe 31 along the side pipe 32; the high-pressure air flow output by the air compressor 4 enters the main pipe 31 along the air supply pipe 41 and moves outward along the axis of the main pipe 31; the negative pressure suction generated by the flow of this high-pressure air flow also acts on the abrasives entering the side pipe 32, so that after the abrasives are evenly mixed with the high-pressure air flow inside the main pipe 31, they are ejected from the end of the main pipe 31 for sandblasting; the sand dropping pipe 21 and the sandblasting gun can both be individually removed for maintenance and replacement, and the maintenance cost is low. The ventilation holes 211 facilitate the smooth passage of abrasives through the sand dropping pipe 21. When the abrasives fall from the side pipe 32 into the main pipe 31, they will fall towards the other end of the main pipe 31 with a certain momentum, which is beneficial to the full mixing of the abrasives and the high-pressure gas.
[0036] Embodiment 2: Embodiment 2 is basically the same as Embodiment 1, and the same parts will not be described again. The differences are as follows: The bracket further includes a horizontal reinforcing hoop 222; the reinforcing hoop 222 surrounds all the legs 221 for one week and is connected to the sides of all the legs 221; the reinforcing hoop 222 can strengthen the structural strength of the bracket.
[0037] The abrasive bin 2 includes a bin body 23 and a bin cover 24; the upper end of the bin body 23 is provided with a sand inlet for adding abrasives; the bin cover 24 corresponds to and matches the sand inlet and is buckled on the sand inlet; the bin cover 24 can shield the sand inlet to prevent foreign objects from entering the inside of the bin body 23 and affecting the sandblasting effect.
Claims
1. A sandblasting component with low maintenance cost, comprising a box body, a sand bin, a sandblasting gun, and an air compressor; characterized in that, The sand storage bin is set at a high place, and a sand outlet pipe is provided at the bottom; the lower end of the sand outlet pipe is detachably connected with a sand dropping pipe; the sand blasting gun is arranged inside the box body and includes a main pipe and a side pipe; the side pipe communicates with the middle part of the main pipe; the sand dropping pipe penetrates through the upper part of the left side wall of the box body and is detachably connected with the end of the side pipe; the output end of the air compressor is connected with an air supply pipe; the air supply pipe penetrates through the bottom of the box body and is detachably connected with the end of the main pipe.
2. The sandblasting assembly with low maintenance cost according to claim 1, characterized in that: Both the sand dropping pipe and the air supply pipe are flexible hoses; both ends of the sand dropping pipe are respectively connected with the sand outlet pipe and the side pipe through worm-driven hose clamps; the air supply pipe is connected with the main pipe through a worm-driven hose clamp.
3. The sandblasting assembly with low maintenance cost according to claim 1, characterized in that: Vent holes are evenly distributed on the side surface of the sand dropping pipe along the axis direction of the sand dropping pipe.
4. The sandblasting assembly with low maintenance cost according to claim 1, characterized in that: A side door is provided on the right side of the box body.
5. The sandblasting assembly with low maintenance cost according to claim 1, characterized in that: A turntable is arranged inside the box body.
6. The sandblasting assembly with low maintenance cost according to claim 1, wherein: The side pipe is inclined relative to the main pipe; the side pipe is inclined towards the end of the main pipe connected with the air supply pipe.
7. The sandblasting assembly with low maintenance cost according to claim 1, wherein: The bottom of the sand storage bin is provided with a support; the support includes several legs distributed around the circumference of the sand storage bin; the upper ends of the legs are fixedly connected with the bottom of the sand storage bin, and the lower ends are abutted against the ground.
8. The sandblasting assembly with low maintenance cost according to claim 7, characterized in that: The legs are inclined relative to the ground.
9. The sandblasting assembly with low maintenance cost according to claim 7, wherein: The support further includes a horizontal reinforcing hoop; the reinforcing hoop surrounds all the legs in a circle and is in contact with the side surfaces of all the legs.
10. The sandblasting assembly with low maintenance cost according to claim 1, wherein: The sand storage bin includes a bin body and a bin cover; a sand inlet is provided at the upper end of the bin body; the bin cover corresponds to and matches the sand inlet and is buckled on the sand inlet.