CN209936697U

CN209936697U - Water sandblast rust cleaning device

Info

Publication number: CN209936697U
Application number: CN201920698353.1U
Authority: CN
Inventors: 王会
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-01-14
Anticipated expiration: 2029-05-16

Abstract

The utility model discloses a water sandblast rust cleaning device belongs to rust cleaning device technical field. The water-spraying sand rust removing device comprises an air compressor, an air storage tank, a water tank, a sand tank and a sand spraying gun which are sequentially communicated through a connecting pipe, a recovery unit is arranged below a workpiece and comprises a side plate, a collecting cover is arranged above the side plate, a transmission belt is arranged below the collecting cover and supported between a driving roller and a driven roller, one end of the driving roller is connected with a motor through a speed reducer, and a scraping mechanism is arranged below the driven roller; a water tank is arranged below the transmission belt, a water outlet arranged at the bottom of the water tank is connected with a water return port of the water tank through a water return pipe, and a water pump is arranged on the water return pipe; one end of the side plate is provided with a sand box, a guide plate is arranged between the sand box and the scraping mechanism, and the guide plate is fixed on the side plate. The utility model adopts the above structure water sandblast rust cleaning device, can fundamentally solve traditional pickling rust cleaning technology and easily cause water waste and environmental pollution's problem.

Description

Water sandblast rust cleaning device

Technical Field

The utility model belongs to the technical field of the rust cleaning device technique and specifically relates to a water sandblast rust cleaning device with recovery unit is related to.

Background

The surface of a steel workpiece is easy to corrode and rust in the placing process, and the surface of the steel workpiece needs to be subjected to rust removal treatment before use. The rust removal method commonly used in workshops at present is acid pickling rust removal, namely, acid and metal oxides are subjected to chemical reaction, so that rust products on the metal surface are removed. However, the method needs to use a large amount of water to wash the derusted workpiece, which causes waste of water resources. In addition, the recovery of the acid solution is incomplete, which easily causes environmental pollution; and certain corrosiveness exists, so that the health of workers is threatened, and certain dangerousness exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a water sandblast rust cleaning device solves the acid rust cleaning and easily causes water waste, polluted environment, harm staff health.

In order to achieve the purpose, the utility model provides a water sand-spraying rust removal device, which comprises an air compressor, an air storage tank, a water tank, a sand tank and a sand-spraying gun which are sequentially communicated through a connecting pipe, wherein a recovery unit is arranged below a workpiece, the recovery unit comprises a side plate with supporting and fixing functions, a collection cover is arranged above the side plate, and the collection cover is positioned under the workpiece; a transmission belt is arranged below the collecting cover and supported between the driving roller and the driven roller, two ends of the driving roller and the driven roller are rotatably connected with the side plates, one end of the driving roller is connected with the motor through a speed reducer, a scraping mechanism is arranged below the driven roller, and one end of the scraping mechanism is contacted with the transmission belt; a water tank is arranged below the conveying belt, a water outlet arranged at the bottom of the water tank is connected with a water return port of the water tank through a water return pipe, and a water pump is arranged on the water return pipe; one end of the side plate is provided with a sand box, a guide plate is arranged between the sand box and the scraping mechanism, and the guide plate is fixed on the side plate.

Preferably, the scraping mechanism comprises a scraping plate and a shell, the shell is fixed on the side plate, a connecting plate is arranged at the bottom of the scraping plate, two ends of the connecting plate are inserted into a sliding groove in the inner wall of the shell, and the top of the scraping plate extends out of an opening in the upper surface of the shell; the inner wall of the bottom of the shell is provided with a supporting groove, an elastic element is arranged in the supporting groove, one end of the elastic element is fixed to the bottom of the supporting groove, the other end of the elastic element is fixed to the connecting plate, and the scraper is in contact with the conveying belt under the action of the elastic element.

Preferably, the elastic element is a spring, and at least two springs are arranged in the supporting groove.

Preferably, the end face of one end of the scraper close to the transmission belt is a wedge-shaped end face.

Preferably, the two ends of the driving roller and the driven roller are rotatably connected with the side plate through bearings.

Preferably, the width of the outlet at the bottom of the collecting hood is not greater than the width of the conveying belt.

Preferably, the transmission band is the mesh structure, and the aperture of mesh is less than the particle size of quartz sand in the sand jar.

Preferably, the guide plate is made of stainless steel, edges are arranged on two sides of the guide plate, and one end of the guide plate extends into the sand box.

Preferably, a hot air pipe is arranged above one end, close to the sand box, of the conveying belt, a duckbilled blowing nozzle is arranged on one side, facing the conveying belt, of the hot air pipe, and the hot air pipe is connected with an external hot air blower.

Therefore, the water-sand-spraying rust removal device with the structure can fundamentally solve the problems of water resource waste and environmental pollution easily caused by the traditional pickling rust removal process; has the advantages that the water and the sand can be collected and recycled.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural view of a recovery unit of an embodiment of a water-jet sand rust removal device of the present invention;

FIG. 2 is a schematic structural view of an embodiment of a water-spraying sand rust-removing device of the present invention;

FIG. 3 is a schematic structural view of a scraping mechanism of an embodiment of the water-jet sand rust removing device of the present invention;

fig. 4 is a schematic structural view of the cross section of a guide plate of an embodiment of the water-jet sand rust removing device of the utility model.

Reference numerals

1. An air compressor; 2. a gas storage tank; 3. a water tank; 4. a sand tank; 5. a sand blasting gun; 6. a workpiece; 7. a recovery unit; 8. a water return pipe; 9. a side plate; 10. a motor; 11. a speed reducer; 12. a drive roll; 13. a conveyor belt; 14. a collection hood; 15. a hot air pipe; 16. a blowing nozzle; 17. a driven roller; 18. a scraping mechanism; 19. a guide plate; 20. a sand box; 21. a water pump; 22. a squeegee; 23. a housing; 24. a connecting plate; 25. an opening; 26. a chute; 27. a support groove; 28. a spring; 29. a water tank.

Detailed Description

Examples

Fig. 1 is the utility model relates to a recovery unit structure sketch map of water sandblast rust cleaning device embodiment, fig. 2 is the utility model relates to a structure sketch map of water sandblast rust cleaning device embodiment, fig. 4 is the utility model relates to a baffle cross-sectional structure sketch map of water sandblast rust cleaning device embodiment. The utility model provides a water sandblast rust cleaning device, includes air compressor machine 1, gas holder 2, water pitcher 3, sand tank 4 and the sand blasting rifle 5 that communicate in proper order through the connecting pipe, and compressed air passes through water pitcher 3 and sand tank 4 and spouts air, water and quartz sand together from sand blasting rifle 5, sprays 6 on the surface of work pieces. The air compressor 1, the air storage tank 2, the sand tank 4 and the sand blasting gun 5 are selected from equipment in a sand blasting and rust removing device in outdoor rust removing work.

A recovery unit 7 is provided below the workpiece 6. The recovery unit 7 comprises a side plate 9 with supporting and fixing functions, and the side plate 9 is fixed on the ground. A collecting cover 14 is welded or bolted on the upper part of the side plate 9, and the collecting cover 14 is positioned right below the workpiece 6. The collecting hood 14 is funnel-shaped and has a long strip-shaped outlet at the bottom. The width of the outlet at the bottom of the collecting hood 14 is not greater than the width of the conveyor belt 13. The collection hood 14 is used to collect the quartz sand and water ejected from the sand blast gun 5. A conveying belt 13 is provided below the collecting cover 14, and the conveying belt 13 is wound between the driving roller 12 and the driven roller 17. The transmission belt 13 is of a mesh structure, and the aperture of the mesh is smaller than the particle size of the quartz sand in the sand tank 4. This allows water to pass through the conveyor belt 13 and the silica sand to collect on the conveyor belt 13, achieving separation of the water and the silica sand. Both ends of the driving roller 12 and the driven roller 17 are rotatably connected with the side plate 9 through bearings. One end of the driving roller 12 extending out of the side plate 9 is provided with a driving wheel, and the rotating wheel is connected with the speed reducer 11 through a driving belt. The reducer 11 is connected with the motor 10, and the motor 10 drives the driving roller 12 to rotate through the reducer 11, so as to drive the transmission belt 13 to rotate. The motor 10 and the reducer 11 are fixed on the side plate 9 or on the ground.

A scraping mechanism 18 is arranged below the driven roller 17, and one end of the scraping mechanism 18 is in contact with the conveying belt 13 and is used for scraping off the quartz sand adhered to the conveying belt 13. One end of the side plate 9 is provided with a sand box 20, an inclined guide plate 19 is arranged between the sand box 20 and the scraping mechanism 18, and the guide plate 19 is welded or bolted on the side plate 9. The guide plate 19 is made of stainless steel and has edges at both sides. The guide plate 19 has one end projecting into the interior of the flask 20 and the other end disposed adjacent to the scraping mechanism 18. The quartz sand scraped off the conveyor belt 13 by the scraping mechanism 18 falls onto the guide plate 19, and flows into the flask 20 through the guide plate 19. The sand box 20 is used for collecting the quartz sand conveyed by the conveying belt 13, and the quartz sand collected in the sand box 20 can be put into the sand tank 4 again for recycling after being dried by the drying box.

A water tank 29 is provided below the conveyor belt 13, and the water tank 29 is used to collect water dropping from the conveyor belt 13. The bottom of the water tank 29 is provided with a water outlet which is communicated with a water return port of the water tank 3 through a water return pipe 8. The water return pipe 8 is provided with a water pump 21, and water collected in the water tank 29 is pumped into the water tank 3 under the action of the water pump 21, so that the water is recycled.

Fig. 3 is a schematic structural diagram of a scraping mechanism 18 of an embodiment of the water-spraying sand-blasting device of the present invention. The scraping mechanism 18 comprises a scraper 22 and a housing 23, the housing 23 being welded or bolted to the side plate 9. The bottom of the scraper 22 is provided with a connecting plate 24, two ends of the connecting plate 24 are inserted into sliding grooves 26 on the inner wall of the housing 23, and the connecting plate 24 can freely slide up and down in the sliding grooves 26. The housing 23 is provided with an opening 25 in its upper surface, and the scraper 22 projects from the opening 25. A supporting groove 27 is welded on the inner wall of the bottom of the shell 23, at least two springs 28 are arranged in the supporting groove 27, the two springs 28 are respectively positioned at two ends of the supporting groove 27, and the springs 28 have the compression amount of one end. One end of the spring 28 is fixed to the bottom of the support groove 27, and the other end is fixed to the connection plate 24. The support groove 27 has a support function for the spring 28, and prevents the spring 28 from bending and deforming. The scraper 22 is in contact with the conveyor belt 13 under the action of the spring 28. The end face of the scraper 22 close to one end of the transmission belt 13 is a wedge-shaped end face, so that the scraping of quartz sand is facilitated. The length of the scraper 22 is slightly greater than or equal to the width of the conveyor belt 13.

A hot air pipe 15 is arranged above one end of the conveying belt 13 close to the sand box 20, a duckbill-shaped blowing nozzle 16 is arranged on one side of the hot air pipe 15 facing the conveying belt 13, and the hot air pipe 15 is connected with an external hot air blower. The hot blast pipe 15 carries out preliminary drying to the quartz sand of adhesion on the conveyer belt 13 through blowing nozzle 16, avoids the quartz sand to be difficult for separating with conveyer belt 13 because of humidity is too big. In order to save energy, the hot air pipe 15 can also be connected with a drying box for drying the recovered quartz sand, and the heat source of the drying box is used for primarily drying the quartz sand on the conveying belt 13.

The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.

Claims

1. The utility model provides a water sandblast rust cleaning device, includes air compressor machine (1), gas holder (2), water pitcher (3), sand jar (4) and sandblast rifle (5) that communicate in proper order through the connecting pipe, its characterized in that: a recovery unit (7) is arranged below the workpiece (6), the recovery unit (7) comprises a side plate (9) with supporting and fixing functions, a collection cover (14) is arranged above the side plate (9), and the collection cover (14) is positioned right below the workpiece (6); a conveying belt (13) is arranged below the collecting cover (14), the conveying belt (13) is supported between a driving roller (12) and a driven roller (17), two ends of the driving roller (12) and the driven roller (17) are rotatably connected with a side plate (9), one end of the driving roller (12) is connected with a motor (10) through a speed reducer (11), a scraping mechanism (18) is arranged below the driven roller (17), and one end of the scraping mechanism (18) is in contact with the conveying belt (13); a water tank (29) is arranged below the conveying belt (13), a water outlet arranged at the bottom of the water tank (29) is connected with a water return port of the water tank (3) through a water return pipe (8), and a water pump (21) is arranged on the water return pipe (8); one end of the side plate (9) is provided with a sand box (20), a guide plate (19) is arranged between the sand box (20) and the scraping mechanism (18), and the guide plate (19) is fixed on the side plate (9).

2. A water sandblasting rust removing apparatus as claimed in claim 1, wherein: the scraping mechanism (18) comprises a scraping plate (22) and a shell (23), the shell (23) is fixed on the side plate (9), a connecting plate (24) is arranged at the bottom of the scraping plate (22), two ends of the connecting plate (24) are inserted into sliding grooves (26) in the inner wall of the shell (23), and the top of the scraping plate (22) extends out of an opening (25) in the upper surface of the shell (23); a supporting groove (27) is formed in the inner wall of the bottom of the shell (23), an elastic element is arranged in the supporting groove (27), one end of the elastic element is fixed to the bottom of the supporting groove (27), the other end of the elastic element is fixed to the connecting plate (24), and the scraper (22) is in contact with the conveying belt (13) under the action of the elastic element.

3. A water sandblasting rust removing apparatus as claimed in claim 2, wherein: the elastic element is a spring (28), and at least two springs (28) are arranged in the supporting groove (27).

4. A water sandblasting rust removing apparatus as claimed in claim 2, wherein: the end face of one end, close to the transmission belt (13), of the scraper (22) is a wedge-shaped end face.

5. A water sandblasting rust removing apparatus as claimed in claim 1, wherein: the two ends of the driving roller (12) and the driven roller (17) are rotatably connected with the side plate (9) through bearings.

6. A water sandblasting rust removing apparatus as claimed in claim 1, wherein: the width of the outlet at the bottom of the collecting cover (14) is not more than the width of the conveying belt (13).

7. A water sandblasting rust removing apparatus as claimed in claim 1, wherein: the transmission band (13) is of a mesh structure, and the aperture of the mesh is smaller than the particle size of the quartz sand in the sand tank (4).

8. A water sandblasting rust removing apparatus as claimed in claim 1, wherein: the guide plate (19) is made of stainless steel, edges are arranged on two sides of the guide plate (19), and one end of the guide plate (19) extends into the sand box (20).

9. A water sandblasting rust removing apparatus as claimed in claim 1, wherein: the sand box is characterized in that a hot air pipe (15) is arranged above one end, close to the sand box (20), of the conveying belt (13), a duckbilled air blowing nozzle (16) is arranged on one side, facing the conveying belt (13), of the hot air pipe (15), and the hot air pipe (15) is connected with an external air heater.