Sand adding device of sand blasting machine

Abstract

The utility model discloses a sand adding device of a sand blasting machine, which belongs to the technical field of sand adding devices and comprises a sand adding box, a filter plate is obliquely arranged at the top end in the sand adding box, driving grooves are arranged on two sides of the bottom of the filter plate, screws are arranged in the driving grooves, a moving frame is arranged at the bottom of the filter plate, and threaded blocks are arranged at two ends of the top of the moving frame. A vibrating block is arranged at the top of the moving frame, a telescopic column is arranged in the vibrating block, a top block is arranged at the top of the telescopic column, a micro motor is arranged in the vibrating block, and a deformed block is arranged at the output shaft end of the micro motor; a micro motor in a vibration block is used for driving a deformed block to push an arc-shaped plate and a telescopic column to extend outwards, a reset spring is matched, the reset function of a top block is achieved, a filter plate is repeatedly impacted, large-particle gravel clamped in the filter plate is vibrated out through vibration generated by impact, and the filtering effect is improved. The filter plate is separated from the filter plate and falls into the collecting box along the slope, so that the filter plate is cleaned.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sand adding device technical field, concretely relates to a sand adding device of sand blasting machine. BACKGROUND

[0002] The sand blasting machine accelerates the powdery sand by compressed air in its pipeline, and the sand in the pipeline flushes the surface of the object, thereby removing the oxide skin, sand, old plating layer, molten salt heat and rust on the surface of the object.

[0003] At present, the sand adding device of the existing sand blasting machine, when adding sand, a filter plate is arranged in the inside of the sand adding box to filter the sand, and the large particles of sand are filtered out, so that the size of the sand is uniform, but during the long-term use of the filter plate, some sand is stuck in the mesh of the filter plate, causing the filter plate to be blocked, affecting the filtering efficiency, and the filter plate is not convenient to clean, therefore, the sand adding device of the sand blasting machine is provided. SUMMARY

[0004] The utility model discloses a sand adding device of sand blasting machine to solve the existing problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a sand adding device of sand blasting machine, including sand adding box, filter plate and vibrating block, the inside top of sand adding box is inclined and is provided with filter plate, the bottom both sides of filter plate are opened and are provided with drive groove, the inside of drive groove is rotatably connected with screw rod through bearing, the bottom of filter plate is provided with moving frame, the top both ends of moving frame are provided with threaded block, threaded block extends to the inside of drive groove and is connected with the spiral of the outer periphery of screw rod, the top of moving frame is equidistantly embedded with vibrating block, the inside of vibrating block is provided with telescopic column that extends to the outside of its top, telescopic column and vibrating block are slidably connected, the top of telescopic column is fixedly installed with top block, the inside of vibrating block is fixedly installed with micro motor, the output shaft end of micro motor is provided with deformity block, one end of telescopic column that extends to the inside of vibrating block is fixedly installed with arc plate, and the bottom arc surface of arc plate is in contact with the outer periphery of deformity block.

[0006] Preferably, the outer periphery of one end of the telescopic column extending into the vibrating block is sleeved with a return spring, and the two ends of the return spring are fixedly connected to the inner wall of the arc plate and the vibrating block respectively.

[0007] Preferably, limit grooves are formed in the inside of the drive grooves, and limit blocks are arranged on the outside of the threaded blocks, the limit blocks extend into the limit grooves and are slidably connected with the inner walls of the limit grooves.

[0008] Preferably, one end of the screw rod is provided with a driving motor, an output shaft end of the driving motor is fixedly connected with the one end of the screw rod, and the driving motor is fixedly embedded in an inner end wall of the driving groove.

[0009] Preferably, a through groove is formed in the middle end of the outer side of the sand adding box, the bottom end of the filter plate extends to the inside of the through groove, the outer periphery of the side of the sand adding box provided with the through groove is provided with a collecting box, and the collecting box is provided with a waste discharge port.

[0010] Preferably, a feeding port is fixedly formed in the top of the sand adding box, the sand adding box is provided with a discharging port at the bottom, the inner bottom surface of the sand adding box is provided with a material guiding inclined surface, and the bottom end of the material guiding inclined surface extends to the discharging port.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. By setting the vibration block at the bottom of the filter plate, the micro motor in the vibration block drives the deformed block to push the arc-shaped plate and the telescopic column to extend outward, so that the top block impacts the filter plate, and the reset function of the top block is realized by cooperating with the reset spring, so that the telescopic column and the top block can make reciprocating linear motion to repeatedly impact the filter plate, and the large-grained sand and gravel stuck in the filter plate are shaken out by vibration, so that the large-grained sand and gravel are separated from the filter plate and fall along the slope into the inside of the collecting box, the filter plate is cleaned, the situation that the filter plate is blocked due to too many large-grained sand and gravel of the clamping column is avoided, and the filtering effect and efficiency are affected.

[0013] 2. By setting the driving grooves at the both sides of the frame bottom of the filter plate, and driving the screw rod to rotate by the driving motor, the threaded block is driven to displace, so that the function of driving the moving frame to move in the driving grooves is realized, the vibration block can move downward along the inclined plate of the filter plate, and the filter plate is gradually vibrated and cleaned, and the comprehensiveness of cleaning the filter plate is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is an inside structure schematic view of the sand adding box of the utility model;

[0016] Figure 3 It is a bottom structure schematic view of the filter plate of the utility model;

[0017] Figure 4 It is a moving frame structure schematic view of the utility model;

[0018] Figure 5 It is a vibration block cross section structure schematic view of the utility model.

[0019] In the figure: 1, sand box; 2, feed inlet; 3, filter plate; 4, drive slot; 5, limiting slot; 6, drive motor; 7, screw; 8, moving frame; 9, threaded block; 10, limiting block; 11, vibrating block; 12, telescopic column; 13, top block; 14, arc plate; 15, return spring; 16, deformity block; 17, micro motor; 18, through slot; 19, collection box; 20, waste outlet; 21, discharge port. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-5 The utility model provides a kind of sand adding device of sand blasting machine technical scheme: including sand box 1, filter plate 3 and vibrating block 11, the inside top of sand box 1 is inclinedly provided with filter plate 3, the bottom of filter plate 3 is provided with drive slot 4 on both sides, screw 7 is movably connected in the inside of drive slot 4 by bearing, the bottom of filter plate 3 is provided with moving frame 8, the top of moving frame 8 is provided with threaded block 9 at both ends, threaded block 9 extends to the inside of drive slot 4 and is sleeved on the outer periphery of screw 7 and is screw connected, moving frame 8 is inlaid with vibrating block 11 at top equidistant, telescopic column 12 extending to the outside of its top is provided in the inside of vibrating block 11, telescopic column 12 is slidably connected with vibrating block 11, top block 13 is fixedly installed at the top of telescopic column 12, micro motor 17 is fixedly installed in the inside of vibrating block 11, deformity block 16 is provided at the output shaft end of micro motor 17, arc plate 14 is fixedly installed at one end of telescopic column 12 extending to the inside of vibrating block 11, and the bottom arc surface of arc plate 14 is in contact with the outer periphery of deformity block 16.

[0022] Specifically, telescopic column 12 is sleeved with return spring 15 at the outer periphery of one end extending to the inside of vibrating block 11, and the two ends of return spring 15 are fixedly connected with the inner wall of arc plate 14 and vibrating block 11 respectively.

[0023] Specifically, limiting slot 5 is formed in the inside of drive slot 4 on both sides, limiting block 10 is arranged on the outside of threaded block 9 on both sides, limiting block 10 extends to the inside of limiting slot 5 and is slidably connected with the inner wall thereof.

[0024] Specifically, one end of screw 7 is provided with drive motor 6, the output shaft end of drive motor 6 is fixedly connected with one end of screw 7, and drive motor 6 is fixedly inlaid in the inner wall of one end of drive slot 4.

[0025] Specifically, the sand box 1 is provided with a through groove 18 at the middle end of the outer side, the bottom end of the filter plate 3 extends to the inside of the through groove 18, and the side of the sand box 1 provided with the through groove 18 is provided with a collecting box 19, and the collecting box 19 is provided with a waste discharge port 20.

[0026] Specifically, the sand box 1 is provided with a through groove 18 at the middle end of the outer side, the bottom end of the filter plate 3 extends to the inside of the through groove 18, and the side of the sand box 1 provided with the through groove 18 is provided with a collecting box 19, and the collecting box 19 is provided with a waste discharge port 20.

[0027] In use, the sand is introduced into the sand box 1 through the feed port 2, and the sand is filtered and screened by the filter plate 3, and the small particles of sand fall to the bottom end of the sand box 1 and are discharged into the sand blasting machine through the discharge port 21, and the large particles of sand retained on the filter plate 3 after screening roll into the through groove 18 along the inclined direction of the filter plate 3 and enter the inside of the collecting box 19 through the through groove 18 for centralized collection, so as to facilitate centralized treatment, when it is necessary to clean the filter plate 3, the driving motor 6 drives the screw rod 7 to rotate, so as to drive the threaded block 9 to slide along the track of the driving groove 4, thereby driving the moving frame 8 and the vibration block 11 on the top of the moving frame 8 to move synchronously, at the same time, the micro motor 17 in the vibration block 11 drives the deformed block 16 to rotate at a constant speed, then the deformed block 16 pushes the arc-shaped plate 14 to move upward, so that the telescopic column 12 extends upward, thereby the top block 13 collides with the bottom surface of the filter plate 3, after the top end of the deformed block 16 separates from the arc-shaped plate 14, the telescopic column 12 with the top block 13 shrinks under the action of the reset spring 15, until the end of the deformed block 16 pushes the arc-shaped plate 14 again, so as to realize the vibration and knocking of the filter plate 3, so as to shake out the sand grains stuck in the filter plate 3, and make the sand grains fall along the filter plate 3 into the inside of the collecting box 19, the moving frame 8 moves from the top end of the bottom of the filter plate 3 to the lower end, so as to clean the filter plate 3, and avoid the filter plate 3 being blocked due to too many large particles of sand, thereby affecting the filtering effect and efficiency.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sand addition device for a sandblasting machine, comprising a sand addition tank (1), a filter plate (3) and a vibrating mass (11), characterized in that: The inside top end of the sand box (1) is provided with a filter plate (3), drive grooves (4) are formed in the bottom of the filter plate (3), a screw rod (7) is movably connected in the drive grooves (4) through bearings, a moving frame (8) is arranged on the bottom of the filter plate (3), threaded blocks (9) are arranged at the top of the moving frame (8), the threaded blocks (9) extend into the drive grooves (4) and are sleeved on the outer periphery of the screw rod (7) and are screwed with the screw rod (7), vibration blocks (11) are inlaid at equal intervals on the top of the moving frame (8), telescopic columns (12) extending to the outside of the top of the vibration blocks (11) are arranged in the vibration blocks (11) and are slidably connected with the vibration blocks (11), top blocks (13) are fixedly installed on the top of the telescopic columns (12), micro motors (17) are fixedly installed in the vibration blocks (11), deformed blocks (16) are arranged at the output shaft ends of the micro motors (17), arc-shaped plates (14) are fixedly installed at one end of the telescopic columns (12) extending into the vibration blocks (11), and the bottom arc surfaces of the arc-shaped plates (14) are in contact with the outer periphery of the deformed blocks (16).

2. A grit charging device for a grit blaster as claimed in claim 1, wherein: A reset spring (15) is sleeved on the outer periphery of one end of the telescopic column (12) extending into the vibration block (11), and the two ends of the reset spring (15) are fixedly connected with the inner walls of the arc-shaped plate (14) and the vibration block (11) respectively.

3. A blasting machine sand addition device as defined in claim 1, wherein: Limiting grooves (5) are formed in the inside of the drive grooves (4), limiting blocks (10) are arranged on the outside of the threaded blocks (9), and the limiting blocks (10) extend into the limiting grooves (5) and are slidably connected with the inner walls of the limiting grooves (5).

4. A blasting machine sand addition device as defined in claim 1, wherein: A drive motor (6) is arranged at one end of the screw rod (7), the output shaft end of the drive motor (6) is fixedly connected with one end of the screw rod (7), and the drive motor (6) is fixedly inlaid in the inner wall of one end of the drive groove (4).

5. A blasting machine sand addition device as defined in claim 1, wherein: A through groove (18) is formed in the middle of one side of the sand box (1), the bottom end of the filter plate (3) extends into the through groove (18), a collecting box (19) is arranged on the outer periphery of the side of the sand box (1) provided with the through groove (18), and a waste discharge port (20) is arranged on one side of the collecting box (19).

6. A blasting machine sand addition device as defined in claim 1, wherein: An inlet (2) is fixedly formed in the top of the sand box (1), a discharge port (21) is arranged on the bottom of the sand box (1), a guide inclined surface is arranged on the inner bottom surface of the sand box (1), and the bottom end of the guide inclined surface extends to the discharge port (21).

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