Sand blasting mechanism with buffer structure

Abstract

The utility model discloses a sand blasting mechanism with a buffer structure, which comprises a sand blasting box, a sliding frame is arranged on the rear side of the upper end of the sand blasting box, the front end of the sliding frame is in bolted connection with a sand blasting head, a threaded screw rod penetrates through the front end of the sliding frame, the right side end of the threaded screw rod is connected with a power motor, and a positioning plate is arranged in the middle of the sand blasting box. Limiting columns penetrate through the corners of the positioning plate, a clamping plate is connected to the upper end of the positioning plate, a screening box is arranged at the bottom end of the sand blasting box, a discharging hopper is fixedly connected to the right side end of the screening box, and a collecting box is arranged at the lower end of the discharging hopper. According to the sand blasting mechanism with the buffering structure, spraying materials can be recycled and screened in the sand blasting operation process of workpieces through the screening structure, the operation convenience is improved, meanwhile, due to the arrangement of the buffering structure, pressure can be absorbed and buffered when the sand blasting force is too large, the workpieces subjected to sand blasting are protected, and the service life of the workpieces is prolonged. And the damage or damage condition of the workpiece caused by overlarge sand blasting pressure is prevented, and the reject ratio is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sandblasting mechanisms, in particular to a sandblasting mechanism with a buffer structure. Background Art

[0002] The process of using the impact of high-speed sand flow to clean and roughen the surface of the substrate, using compressed air as the power to form a high-speed jet beam to spray the material (copper ore sand, quartz sand, corundum, iron sand, Hainan sand) at high speed onto the surface of the workpiece to be processed, so that the appearance or shape of the outer surface of the workpiece surface changes. Due to the impact and cutting action of the abrasive on the workpiece surface, the surface of the workpiece obtains a certain degree of cleanliness and different roughness, and the mechanical properties of the workpiece surface are improved, thereby improving the fatigue resistance of the workpiece, increasing the adhesion between it and the coating, extending the durability of the coating, and also facilitating the leveling and decoration of the coating. However, there are still some problems with the existing sandblasting mechanism when it is used.

[0003] There is a pre-twisted wire sandblasting mechanism with Chinese patent publication number CN208196562U, which is characterized by comprising a support frame, a slide rail, an adjustment seat, a rotary conveying motor, a clamping cylinder, a guide bracket and a sandblasting nozzle; in the utility model, the pre-twisted wire can rotate in the horizontal direction during the horizontal conveying process by means of the inclined rotary conveying motor, thereby ensuring full coverage of the sandblasting surface of the pre-twisted wire; in addition, the guide bracket arranged in the processing interval of the sandblasting nozzle ensures that the pre-twisted wire will not deviate during the rotary conveying process, thereby ensuring the reliability of the sandblasting process; however, the existing sandblasting equipment is not convenient for directly recovering and processing the sprayed material during the sandblasting operation, and because the rigid fixing method is adopted, it does not have a buffering effect. When some materials are sandblasted, if the sandblasting pressure is too large, it will cause damage to the parts.

[0004] Therefore, we propose a sandblasting mechanism with a buffer structure to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a sandblasting mechanism with a buffer structure to solve the problem that the existing sandblasting equipment proposed in the above background technology is not convenient for recycling the blasting material and is prone to damage to parts due to excessive sandblasting pressure due to the lack of a buffer structure.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a sandblasting mechanism with a buffer structure, comprising a sandblasting box:

[0007] A sliding frame is arranged at the rear side of the upper end of the sandblasting box, and a sandblasting head is bolted to the front end of the sliding frame, a threaded screw rod passes through the front end of the sliding frame, and a power motor is connected to the right end of the threaded screw rod;

[0008] A positioning plate is arranged in the middle of the sandblasting box, and limiting columns are passed through the corners of the positioning plate, and a clamping plate is connected to the upper end of the positioning plate;

[0009] A screen box is arranged at the bottom end of the sandblasting box, a lower hopper is fixedly connected to the right end of the screen box, and a collecting box is arranged at the lower end of the lower hopper.

[0010] Preferably, the power motor is fixedly connected to the right inner wall of the sandblasting box, and the right end of the threaded screw passes through the outside of the sandblasting box and is fixed to the power motor, and the threaded screw is connected to the bearing on the inner wall of the sandblasting box, and the threaded screw is threadedly connected to the sliding frame.

[0011] By adopting the above technical solution, the power motor provides rotational power to the threaded screw, thereby driving the sliding frame to move horizontally and changing the position of the sandblasting head.

[0012] Preferably, a sliding guide rod penetrates the rear end of the sliding frame, and both ends of the sliding guide rod are fixed to the inner wall of the sandblasting box, and the sliding guide rod is slidably connected to the sliding frame.

[0013] By adopting the above technical solution, the setting of the sliding guide rod can limit the sliding frame from rotating when the threaded screw rotates, and can also improve the stability of the sliding frame and the sandblasting head when they move horizontally.

[0014] Preferably, the positioning plate is slidably connected to the limiting column, and the bottom end of the limiting column is fixed to the inner wall of the sandblasting box, and the upper end of the positioning plate is slidably connected to the clamping plate, the clamping plate is symmetrically arranged in two groups, and a positioning sleeve is fixed to the outer end of the clamping plate, and a threaded rod is threadedly connected to the inner thread of the positioning sleeve, and the outer end of the threaded rod is connected to the bearing of the upper end of the positioning plate, and the upper end array of the positioning plate is provided with through holes.

[0015] By adopting the above technical scheme, the position of the positioning plate is restricted by setting a limit column, and the positioning plate can move in the vertical direction. At the same time, the clamping plate can be positioned by cooperating with the threaded rod and the positioning sleeve. The position of the clamping plate can be adjusted by rotating the threaded rod, so that the workpiece to be sandblasted can be fixed by two sets of clamping plates.

[0016] Preferably, the inner wall of the screen box is designed to be inclined, and two sets of sliding limit rods are passed through the lower end of the screen box, and return springs are passed through both ends of the sliding limit rods, and the inner and outer ends of the return springs are respectively fixedly connected to the screen box and the inner wall of the sandblasting box.

[0017] By adopting the above technical scheme, the blasting material after sandblasting can be screened through the setting of the screen box, and the material can be discharged into the collection box by using the discharge hopper. The screen box is positioned by the setting of the sliding limit rod, and the design of the reset spring can reset the screen box after it is displaced.

[0018] Preferably, a first positioning block is fixedly connected to the middle of the upper end of the screen box, and the right side of the upper end of the first positioning block is designed to be inclined, a second positioning block is connected to the lower end of the middle of the positioning plate, and the lower left end of the second positioning block is designed to be inclined, and the left side of the lower end of the second positioning block is designed to fit with the lower left end of the first positioning block.

[0019] By adopting the above technical solution, through the cooperation of the first positioning block and the second positioning block, the positioning plate and the second positioning block can be pushed to move downward when the sandblasting pressure is too large. At the same time, the second positioning block squeezes the first positioning block to push it to move, so that the screen box squeezes the return spring to achieve a buffering effect. At the same time, the movement of the screen box can improve the effect of screening the spray material.

[0020] Compared with the prior art, the beneficial effects of the utility model are: the sandblasting mechanism with a buffer structure;

[0021] 1. The screening structure can be used to recover and screen the blasting materials during the sandblasting process, which improves the convenience of operation. At the same time, the buffer structure can absorb and buffer the pressure when the sandblasting force is too large, thereby protecting the sandblasted workpiece and preventing damage or damage to the workpiece caused by excessive sandblasting pressure, thereby reducing the defective rate;

[0022] 2. Through the cooperation between the clamping structure and the screening structure, when the pressure is too large, the clamping structure generates downward kinetic energy and drives the screen box to squeeze the reset spring, thereby absorbing the pressure and protecting the workpiece from damage. At the same time, due to the horizontal movement of the screen box, the efficiency of the spray screening can be improved to prevent blockage caused by the accumulation of spray materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the cross-sectional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the positioning plate and the limiting column structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the screen box and the sliding limit rod structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the sliding frame and the threaded screw rod of the utility model.

[0027] In the figure: 1. sandblasting box; 2. sliding frame; 3. sandblasting head; 4. sliding guide rod; 5. power motor; 6. threaded screw; 7. positioning plate; 8. limiting column; 9. clamping plate; 10. positioning sleeve; 11. threaded rod; 12. through hole; 13. screen box; 14. lower hopper; 15. collecting box; 16. sliding limiting rod; 17. reset spring; 18. first positioning block; 19. second positioning block. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-4 The utility model provides a technical solution: a sandblasting mechanism with a buffer structure, including a sandblasting box 1, a sliding frame 2 is arranged on the rear side of the upper end of the sandblasting box 1, and a sandblasting head 3 is bolted to the front end of the sliding frame 2, a threaded screw rod 6 is passed through the front end of the sliding frame 2, and a power motor 5 is connected to the right end of the threaded screw rod 6; the power motor 5 is fixedly connected to the right inner wall of the sandblasting box 1, and the right end of the threaded screw rod 6 passes through the outside of the sandblasting box 1 and is fixed to the power motor 5, and the threaded screw rod 6 is connected to the inner wall bearing of the sandblasting box 1, and the threaded screw rod 6 is connected to the inner wall bearing of the sandblasting box 1. The sliding frame 2 is threadedly connected; a sliding guide rod 4 passes through the rear side end of the sliding frame 2, and both ends of the sliding guide rod 4 are fixed to the inner wall of the sandblasting box 1, and the sliding guide rod 4 is slidably connected to the sliding frame 2; the sandblasting head 3 is connected and fixed by the setting of the sliding frame 2. When the sandblasting operation is performed, the power motor 5 can provide rotational power to the threaded screw 6, and the threaded screw 6 can drive the sliding frame 2 and the sandblasting head 3 to move horizontally to change the position of the sandblasting, and the setting of the sliding guide rod 4 can improve the stability of the sliding frame 2 during movement.

[0030] A positioning plate 7 is provided in the middle of the sandblasting box 1, and limiting columns 8 are passed through the corners of the positioning plate 7, and a clamping plate 9 is connected to the upper end of the positioning plate 7; the positioning plate 7 is slidably connected to the limiting columns 8, and the bottom end of the limiting columns 8 is fixed to the inner wall of the sandblasting box 1, and the upper end of the positioning plate 7 is slidably connected to the clamping plate 9, and two groups of clamping plates 9 are symmetrically arranged, and a positioning sleeve 10 is fixed to the outer end of the clamping plate 9, and a threaded rod 11 is threadedly connected to the inner thread of the positioning sleeve 10, and the outer end of the threaded rod 11 is connected to the bearing at the upper end of the positioning plate 7, and a through hole 12 is provided in an array at the upper end of the positioning plate 7; the position of the positioning plate 7 can be limited by the setting of the limiting columns 8, and the positioning plate 7 can move normally in the vertical direction. Before sandblasting, the two groups of positioning sleeves 10 and the clamping plate 9 can be driven to move by rotating the threaded rod 11, thereby completing the clamping of the workpiece.

[0031] A screen box 13 is provided at the bottom end of the sandblasting box 1, and a lower hopper 14 is fixedly connected to the right end of the screen box 13, and a collecting box 15 is provided at the lower end of the lower hopper 14; the inner wall of the screen box 13 is designed to be inclined, and two sets of sliding limit rods 16 are passed through the lower end of the screen box 13, and return springs 17 are passed through both ends of the sliding limit rods 16, and the inner and outer ends of the return spring 17 are respectively fixedly connected to the screen box 13 and the inner wall of the sandblasting box 1; a first positioning block 18 is fixedly connected to the middle part of the upper end of the screen box 13, and the upper right side of the first positioning block 18 is designed to be inclined, and a second positioning block 19 is connected to the lower end of the middle part of the positioning plate 7, and the lower left end of the second positioning block 19 is designed to be inclined, and the lower left end of the second positioning block 19 It is designed to fit with the lower left end of the first positioning block 18; the screen box 13 can be suspended through two sets of sliding limit rods 16, and the screen box 13 can screen the spray material generated in the sandblasting operation, and discharge the material from the discharge hopper 14 to the inside of the collecting box 15 for collection. At the same time, due to the cooperation between the first positioning block 18 and the second positioning block 19, when the sandblasting pressure is too large, the positioning plate 7 and the second positioning block 19 will be pushed downward, thereby pushing the first positioning block 18 and the screen box 13 to move to the left, and compressing the return spring 17 on the left, thereby effectively buffering. The movement of the screen box 13 can improve the screening efficiency and prevent blockage due to the accumulation of spray material.

[0032] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sandblasting mechanism with a buffer structure, comprising a sandblasting box (1), characterized in that: A sliding frame (2) is arranged at the rear side of the upper end of the sandblasting box (1), and a sandblasting head (3) is bolted to the front end of the sliding frame (2), a threaded screw (6) passes through the front end of the sliding frame (2), and a power motor (5) is connected to the right end of the threaded screw (6); A positioning plate (7) is arranged in the middle of the sandblasting box (1), and limiting columns (8) are passed through the corners of the positioning plate (7), and a clamping plate (9) is connected to the upper end of the positioning plate (7); The bottom end of the sandblasting box (1) is provided with a screen box (13), the right end of the screen box (13) is fixedly connected with a lower hopper (14), and the lower end of the lower hopper (14) is provided with a collecting box (15).

2. A sandblasting mechanism with a buffer structure according to claim 1, characterized in that: The power motor (5) is fixedly connected to the right inner wall of the sandblasting box (1), and the right end of the threaded screw (6) passes through the outside of the sandblasting box (1) and is fixed to the power motor (5), and the threaded screw (6) is connected to the inner wall bearing of the sandblasting box (1), and the threaded screw (6) is threadedly connected to the sliding frame (2).

3. The sandblasting mechanism with a buffer structure according to claim 2, characterized in that: A sliding guide rod (4) penetrates the rear end of the sliding frame (2), and both ends of the sliding guide rod (4) are fixed to the inner wall of the sandblasting box (1), and the sliding guide rod (4) is slidably connected to the sliding frame (2).

4. The sandblasting mechanism with a buffer structure according to claim 1, characterized in that: The positioning plate (7) is slidably connected to the limiting column (8), and the bottom end of the limiting column (8) is fixed to the inner wall of the sandblasting box (1), and the upper end of the positioning plate (7) is slidably connected to the clamping plate (9), and the clamping plate (9) is symmetrically arranged in two groups, and a positioning sleeve (10) is fixed to the outer end of the clamping plate (9), and the positioning sleeve (10) is internally threadedly connected to a threaded rod (11), and the outer end of the threaded rod (11) is connected to the upper end bearing of the positioning plate (7), and the upper end of the positioning plate (7) is provided with a through hole (12) in an array.

5. The sandblasting mechanism with a buffer structure according to claim 1, characterized in that: The inner wall of the screen box (13) is designed to be inclined, and two groups of sliding limit rods (16) are passed through the lower end of the screen box (13), and return springs (17) are passed through both ends of the sliding limit rods (16), and the inner and outer ends of the return spring (17) are respectively fixedly connected to the screen box (13) and the inner wall of the sandblasting box (1).

6. The sandblasting mechanism with a buffer structure according to claim 5, characterized in that: A first positioning block (18) is fixedly connected to the middle of the upper end of the screen box (13), and the upper right side of the first positioning block (18) is designed to be inclined. A second positioning block (19) is connected to the lower middle end of the positioning plate (7), and the lower left end of the second positioning block (19) is designed to be inclined, and the lower left end of the second positioning block (19) is designed to fit the lower left end of the first positioning block (18).

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