CN224144281U - Prefabricated embedded bar surface treatment equipment - Google Patents

Abstract

This utility model discloses a surface treatment device for precast and embedded steel bars in the field of building engineering equipment technology. It includes a rust grinding mechanism and a concrete softener spraying mechanism. The rust grinding mechanism includes a drive motor, with a drive rod connected to the output shaft of the drive motor. A polishing disc is mounted on the end of the drive rod, and a mounting base is provided on the upper part of the polishing disc. A spray pipe of the softener spraying mechanism is connected to the side of the mounting base, and a delivery hose is connected to the upper end of the spray pipe. The delivery hose is arranged close to the drive rod, and its upper end passes through a handheld base and connects to the softener inlet pipe. Handles are also provided on both sides of the handheld base for easy support. This device has a simple structure, is easy to use, and can promptly extract dust generated during the treatment process, preventing dust from escaping from the construction site. It is suitable for use in the surface treatment of steel bars in building construction.

Description

Prefabricated embedded bar surface treatment equipment

Technical Field

The utility model relates to the technical field of constructional engineering devices, in particular to prefabricated embedded steel bar surface treatment equipment which is suitable for softening concrete on the surface of steel bars, removing impurities such as rust and the like and regulating and controlling the surface roughness.

Background

In the building construction process, the prefabricated embedded bars are widely used, but in the construction process, concrete splashed out due to pouring is easy to adhere to the surfaces of the bars, and the exposed bars are easily influenced by environmental factors, so that rust is generated on the surfaces. The traditional steel bar rust removing method mainly depends on manual operation, has low efficiency, unstable rust removing effect, wastes time and labor, and cannot meet the requirements of modern building engineering on efficient and high-quality construction.

The Chinese patent database discloses a surface treatment device for a building reinforcing steel bar, wherein the bulletin number is CN 214519444U, the bulletin day is 2021, and the bulletin day is 10, and the device comprises a supporting table, wherein the front side and the rear side of the top of the supporting table are fixedly provided with first fixing plates, the middle part of each first fixing plate is in threaded sleeve connection with a first adjusting screw, and one end of each first adjusting screw is movably provided with an installation clamping frame. This reinforcing bar surface treatment device for building, inside advance left locating wheel and action wheel with the reinforcing bar card, it can drive the reinforcing bar through the rotation of second driving motor drive action wheel and remove, drive a plurality of grinding rollers rotation of epaxial grinding roller of output and driving toothed belt through first driving motor simultaneously and can remove rust to the reinforcing bar when the reinforcing bar removes, the operation is comparatively simple, intensity of labour has been reduced, and need not the staff to carry out too much interference when removing rust to the reinforcing bar, the security has been improved. The device has the defects that a plurality of transmission shafts and polishing rollers are required to polish and remove surface rust on the moving path of the steel bars, the structure is complex, the occupied area is large, the gap size of the fixed positions of the steel bars at the two ends needs to be manually changed after the steel bars with the same specification are polished so as to adapt to the size of the steel bars, the operation is troublesome, dust can be raised in the polishing process, no dust removal measures are required, the breathing of operators is adversely affected, and the health is affected.

Disclosure of utility model

The utility model aims to overcome the defects in the prior art, and provides the prefabricated embedded bar surface treatment equipment which is simple in structure and convenient to use, dust generated in the treatment process can be timely sucked, and dust dissipation in a construction site is avoided.

The utility model aims to realize the prefabricated embedded bar surface treatment equipment, which comprises a rust polishing mechanism and a concrete softener spraying mechanism, wherein the rust polishing mechanism comprises a driving motor, the output shaft end of the driving motor is in transmission connection with a driving rod, the end part of the driving rod is provided with a polishing disc, the upper part of the polishing disc is provided with a mounting seat, the side surface of the mounting seat is connected with a spray pipe of the softener spraying mechanism, the upper end of the spray pipe is connected with a conveying hose, the conveying hose is arranged close to the driving rod, the upper end of the conveying hose passes through a handheld seat to be communicated with a softening liquid inlet connecting pipe, and two sides of the handheld seat are also provided with handles which are convenient to support.

When the utility model works, firstly, the concrete softener spraying mechanism sprays the concrete on the surface of the steel bar, so that the concrete on the surface of the steel bar is softened, the subsequent polishing is convenient, then the rust polishing mechanism polishes the concrete and rust on the surface of the steel bar, the concrete, rust and other attached impurities on the steel bar are removed, the cleaning of the surface of the steel bar is completed, and in the polishing process, a suction machine can be started to suck dust generated by polishing, so that the dust dissipation on the polishing site is avoided, and a certain protection effect is played for operators.

Compared with the prior art, the device has the advantages that firstly, the softening liquid is sprayed to the surface of the steel bar to reduce the hardness and strength of the surface concrete, the surface concrete is softened, the subsequent polishing is convenient, the suction machine can be started to collect and uniformly treat dust generated by polishing in the polishing process, the dust is prevented from escaping in the air, the respiratory health of operators is protected, in addition, the device has a simple structure, a light volume, the handle can be operated, and the use is convenient.

Further, the bottom of the polishing disc is provided with polishing sheets, the bottoms of the polishing sheets are provided with steel wire tentacles for polishing and cleaning, the steel wire tentacles are densely arranged along the circumferential direction of the bottom surface of the polishing sheets, and the polishing sheets can be replaced by spiral polishing sheets and soft polishing sheets to fully clean impurities such as concrete, rust and the like on the surface of the steel bar.

Further, the dust hood is installed on polishing piece upper portion, the dust hood diameter is 1.5 times of polishing piece diameter, be connected with the dust absorption pipe on the dust hood, the dust absorption pipe upper end is connected with the suction machine that sets up in handheld seat bottom, be equipped with the dust box of taking the dust filter bag in the suction machine, the dust is held back the dust filter bag, and clean air discharges through the air outlet of suction machine.

Further, the dust collection pipe is a flexible corrugated pipe, and the air quantity of the suction machine is 1000-2000 m < 3 >/h.

Further, the spray pipe is an annular spray pipe with an opening, spray nozzles are arranged on the surface of the inner ring of the spray pipe at equal intervals, the inside of the spray pipe is hollow, the spray nozzles are communicated with the inside of the spray pipe, and softening liquid in the conveying hose is sprayed out through the spray nozzles and the spray pipe.

Further, the diameter of the inner ring of the spray pipe is 30mm.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

In the upper drawing, a driving motor 1, a handle 2, a driving rod 3, a spray pipe 4, a spray nozzle 5, a polishing sheet 6, a dust hood 7, a dust suction pipe 8, a conveying hose 9, a handheld seat 10, a suction machine 11 and a softening liquid inlet connecting pipe 12.

Detailed Description

The utility model provides a prefabricated embedded bar surface treatment equipment as shown in figure 1, including rust grinding machanism and concrete softener spraying mechanism, rust grinding machanism includes driving motor 1, driving motor 1's output shaft end transmission is connected with actuating lever 3, the polishing dish is installed to actuating lever 3's tip, polishing dish upper portion is equipped with the mount pad, the mount pad side is connected with softener spraying mechanism's spray tube 4, conveying hose 9 is connected to spray tube 4 upper end, conveying hose 9 is arranged by leaning on actuating lever 3, conveying hose 9's upper end is passed handheld seat 10 and is linked together with softening liquid import takeover 12, handheld seat 10 both sides still are equipped with handle 2 that is convenient for support usefulness.

The bottom of the polishing disk is provided with a polishing disk 6, the bottom of the polishing disk 6 is provided with steel wire tentacles for polishing and cleaning, the steel wire tentacles are densely arranged along the circumferential direction of the bottom surface of the polishing disk 6, and the polishing disk 6 can also be replaced by a spiral polishing disk and a soft polishing disk to fully clean impurities such as concrete, rust and the like on the surface of the steel bar.

The upper part of the polishing sheet 6 is provided with a dust hood 7, the diameter of the dust hood 7 is 1.5 times of that of the polishing sheet 6, the dust hood 7 is connected with a dust suction pipe 8, the upper end part of the dust suction pipe 8 is connected with a suction machine 11 arranged at the bottom of a handheld seat 10, a dust box with a dust filtering bag is arranged in the suction machine 11, the suction machine 11 drives a fan blade to rotate to suck air through a motor, so that dust generated by polishing is sucked by the dust suction pipe 8, after being filtered through the dust filtering bag, the dust is collected in the dust filtering bag and is discharged uniformly, clean air is discharged through an air outlet of the suction machine 11, so that dust dissipation of a polishing site is avoided, the breathing health of operators is protected, the dust suction pipe 8 is a flexible corrugated pipe, and the air quantity of the suction machine 11 is 1000-2000 m < 3 >/h.

The spray pipe 4 is an annular spray pipe with an opening, the surface of the inner ring of the spray pipe 4 is equidistantly provided with spray nozzles 5, the inside of the spray pipe 4 is hollow, the spray nozzles 5 are communicated with the inside of the spray pipe 4, the softening liquid in the conveying hose 9 is sprayed out through the spray nozzles 5 and the spray pipe 4, the diameter of the inner ring of the spray pipe 4 is 30mm, the softening liquid can be sulfamic acid softening agent, the chemical property of the concrete surface is improved, the concrete structure is softened, the hardness and strength of the concrete are reduced, and the follow-up polishing is facilitated.

When the device works, the device is moved to a steel bar polishing and cleaning working area, a softening liquid inlet connecting pipe 12 is communicated to a softening agent storage cylinder, an operator holds a handle 2 by hand, a spray pipe 4 is sleeved on a steel bar to be treated, softening liquid is sprayed on the surface of the steel bar through a spray nozzle 5, the diameter of the inner ring of the spray pipe 4 is 30mm, the steel bar with most specifications commonly used in building construction can be accommodated, and the softening liquid in the softening agent storage cylinder can be continuously conveyed into a conveying hose 9 through a small corrosion-resistant lifting pump; the steel wire tentacles at the bottom of the polishing sheet 6 are densely distributed along the circumference of the bottom surface of the polishing sheet 6 to form dense contact with the surface of the steel bar, so that heavy rust on the surface of the steel bar can be conveniently removed, the concrete attached to the surface of the steel bar falls off in the polishing process, when fine polishing is needed, the polishing sheet 6 can be replaced by a soft polishing sheet, the suction machine 11 can be synchronously started to suck and collect dust generated by polishing in the polishing process, dust dissipation in a polishing site is avoided, the dust concentration is reduced by 80%, the construction environment is remarkably improved, the respiratory health of operators is protected, the rust removing efficiency of the steel bar can reach 3m/min, the rust removing rate is more than or equal to 98%, the surface roughness Ra is controlled within a range of 20-50 mu m, and the requirements of GB/T13-2020 steel bar iron work piece hot dip galvanizing technology and test method are met, and the steel bar polishing device is suitable for use in the surface treatment of the steel bar.

The utility model is not limited to the above embodiments, and based on the technical solution disclosed in the utility model, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the utility model.

Claims (6)

1. The surface treatment equipment for the prefabricated embedded bars is characterized by comprising a rust polishing mechanism and a concrete softener spraying mechanism, wherein the rust polishing mechanism comprises a driving motor, a driving rod is connected to the output shaft end of the driving motor in a transmission manner, a polishing disc is arranged at the end part of the driving rod, an installation seat is arranged on the upper part of the polishing disc, a spray pipe of the softener spraying mechanism is connected to the side surface of the installation seat, a conveying hose is connected to the upper end of the spray pipe, the conveying hose is arranged close to the driving rod, the upper end of the conveying hose penetrates through a handheld seat and is communicated with a softening liquid inlet connecting pipe, and handles convenient to support are further arranged on two sides of the handheld seat.

2. The surface treatment equipment for the prefabricated embedded bars, as set forth in claim 1, characterized in that the polishing disc is installed at the bottom of the polishing disc, steel wire tentacles for polishing and cleaning are arranged at the bottom of the polishing disc, and the steel wire tentacles are densely distributed along the circumferential direction of the bottom surface of the polishing disc.

3. The surface treatment equipment for the prefabricated embedded bars, as set forth in claim 2, characterized in that a dust hood is installed on the upper portion of the polishing sheet, the diameter of the dust hood is 1.5 times that of the polishing sheet, a dust suction pipe is connected to the dust hood, the upper end portion of the dust suction pipe is connected with a suction machine arranged at the bottom of the handheld seat, a dust box with a dust filtering bag is arranged in the suction machine, dust is trapped on the dust filtering bag, and clean air is discharged through an air outlet of the suction machine.

4. The surface treatment equipment for the prefabricated embedded bars, which is characterized in that the dust collection pipe is a flexible corrugated pipe, and the air quantity of the suction machine is 1000-2000 m < 3 >/h.

5. The surface treatment equipment for the prefabricated embedded bars, as set forth in claim 1, characterized in that the spray pipe is an annular spray pipe with an opening, nozzles are arranged on the surface of an inner ring of the spray pipe at equal intervals, the interior of the spray pipe is hollow, the nozzles are communicated with the interior of the spray pipe, and the softening liquid in the conveying hose is sprayed out through the nozzles and the spray pipe.

6. The surface treatment equipment for prefabricated embedded bars according to claim 5, wherein the diameter of the inner ring of the spray pipe is 30mm.