Environment-friendly sand blasting derusting equipment based on high-pressure water jet

Abstract

The utility model relates to environment-friendly sand blasting derusting equipment based on high-pressure water jet, which comprises a workpiece supporting structure and a sand blasting derusting module, and is characterized in that the workpiece supporting structure comprises a collecting box, supporting plates arranged at the tops of the left side wall and the right side wall of the collecting box, and a riding wheel group and a liftable conveying roller group which are arranged between the two supporting plates and alternately work; conveying rollers of the liftable conveying roller set and riding wheels of the riding wheel set are arranged in a staggered mode in the length direction of the collecting box, a lower filtering hopper with filtering holes is arranged in the collecting box, the bottom of the lower filtering hopper is communicated with the top face of the horizontal spiral conveyor, the bottom face of the horizontal spiral conveyor is a screen face, and a water outlet is formed in the side of the bottom of the collecting box. And the lower end of a discharge port of the horizontal screw conveyor penetrates through the bottom of the collecting box and is provided with a control valve. The equipment integrates workpiece supporting, rust removal and water-saving treatment, saves a large amount of water resources, and meanwhile guarantees the all-directional rust removal effect on workpieces.

Description

TECHNICAL FIELD

[0001] The utility model relates to sand blasting rust removal technical field, concretely relates to an environmental protection type sand blasting rust removal equipment based on high pressure water jet. BACKGROUND

[0002] High pressure water jet sand blasting cleaning technology is a combination of water jet and sand blasting technology, which has unique rust removal or paint removal effect, energy saving and environmental protection. High pressure water jet sand blasting principle utilizes the negative pressure adsorption effect of high pressure water jet, adopts post-mixing method, adds appropriate solid particles in high pressure water jet, utilizes the wedge-shaped stripping, jet impact, shearing and other composite damage effects of solid-liquid mixed fluid to remove paint coating or other coverings attached to the substrate surface.

[0003] CN 215036587 U discloses a double-nozzle linkage rust removal module, which includes a shell, a pair of front connecting pieces are connected in the middle of the rear end of the shell through screws, a connecting plate is arranged between the front connecting pieces, connecting steel pipes are fixed at the left and right ends of the connecting plate, and the connecting steel pipes penetrate through the front connecting pieces on the same side. Not only is it convenient to adjust the height of the water and sand spraying head up and down, but also it is convenient to adjust the inclination angle of the water and sand spraying head, and the water and sand spraying head can be swung back and forth by driving the crank to rotate through the speed regulation motor. In this way, the water and sand spraying head presents reciprocating swing motion, simulates the reciprocating action of the hand-held spray gun during manual operation, and improves the operation efficiency. The above-mentioned rust removal module needs to be matched with supporting equipment during work to meet the overall rust removal demand of the workpiece, and the present application is proposed for this purpose. UTILITARIAN CONTENT

[0004] The utility model aims at providing an environmental protection type sand blasting rust removal equipment based on high pressure water jet, which has reasonable structure and reliable use, integrates workpiece support, rust removal and water saving treatment, saves a large amount of water resources, and guarantees the overall rust removal effect of the workpiece.

[0005] The technical scheme of the utility model is:

[0006] The utility model provides a kind of high-pressure water jet based on environmental protection type sand blasting derusting equipment, including workpiece support structure and sand blasting derusting module located in the one side of workpiece support structure, its technical key points are as follows: the workpiece support structure includes collection tank, support plate being located in the top of left and right side walls of collection tank, supporting wheel group and liftable conveying roller group being located in between two support plates and alternately working, the conveying roller of liftable conveying roller group and the supporting wheel of supporting wheel group are staggered along the length direction of collection tank, lower filter hopper with filter hole is built-in in the collection tank, the bottom of lower filter hopper is communicated with the top surface of horizontal screw conveyor, the bottom surface of horizontal screw conveyor is screen surface, drainage opening is equipped with in the bottom side of collection tank, the bottom end of horizontal screw conveyor's discharge port passes through the bottom of collection tank and is equipped with control valve, the axis of horizontal screw conveyor is parallel with the axis of supporting wheel, and the axis of conveying roller is perpendicular.

[0007] The high-pressure water jet based on environmental protection type sand blasting derusting equipment described above, the liftable conveying roller group is composed of a plurality of liftable conveying roller shafts arranged at intervals, two conveying rollers arranged on the liftable conveying roller shafts, the two ends of the liftable conveying roller shafts pass through the support plates and are connected to the support blocks by bearings, a lifting cylinder is arranged between the bottom surface of the support block and the top surface of the collection tank, a longitudinal avoiding long hole corresponding to the liftable conveying roller shaft is arranged on the support plate, and one end of the liftable conveying roller shaft is connected to the output end of the first servo motor by a shaft coupling.

[0008] The high-pressure water jet based on environmental protection type sand blasting derusting equipment described above, one of the support blocks at the two ends of the same liftable conveying roller shaft is provided with an outward extending support plate for supporting the first servo motor, the bottom surface of the outward extending support plate is provided with a guide column, and the outside of the collection tank is provided with a guide sleeve matched with the guide column.

[0009] The high-pressure water jet based on environmental protection type sand blasting derusting equipment described above, the supporting wheel group is composed of a plurality of pairs of supporting wheels arranged at intervals, each pair of supporting wheels is composed of two supporting wheels arranged at intervals along the width direction of the collection tank, a small support corresponding to the axle of the supporting wheel is fixed to the inner surface of the support plate, a second servo motor is fixed to the support plate, and the output end of the second servo motor is connected to the axle of the supporting wheel by a transmission mechanism.

[0010] The high-pressure water jet based on environmental protection type sand blasting derusting equipment described above, the sand blasting derusting module includes a plurality of sand blasting derusting assemblies arranged at intervals along the length direction of the collection tank, the sand blasting derusting assembly includes a water-sand spraying head, a turntable, a support arranged on the turntable, a rotating wheel supported on the support, a spraying head positioning member fixedly connected to the top of the rotating wheel, a gear ring structure arranged on the outer periphery of the rotating wheel, and a gear drive assembly arranged on the support and matched with the gear ring structure.

[0011] The sand blasting and rust removing module of the environment-friendly sand blasting and rust removing equipment based on high-pressure water jet corresponds to the upper side of the liftable conveying roller group in the horizontal direction.

[0012] The utility model discloses the beneficial effect is:

[0013] 1、Each water sand nozzle carries out rust removing operation to the pipeline to be rust removed, in this process, can swing the water sand nozzle in the horizontal direction through the turntable, also can adjust the pitch angle of water sand nozzle through the gear drive assembly and gear ring structure, in addition, cooperate the autorotation of the pipeline to be rust removed, this equipment can realize the overall rust removing of the pipeline to be rust removed, significantly enhance the rust removing effect, and improve rust removing efficiency.

[0014] 2, the mixture of water, sand, rust removing falling object in the rust removing process falls in the lower filter hopper of collection box, and the solid phase part is intercepted in the lower filter hopper and horizontal screw conveyor, and the water part seeps into the bottom of collection box through filter hole and screen, realizes filtration, and finally the water part is discharged to the water recycling pipeline through the drain, and is sent to the water sand system, so as to be recycled, energy saving and environmental protection.

[0015] Based on the above, the utility model integrates workpiece support, rust removing and water saving treatment, saves a large amount of water resources, and guarantees omnibearing rust removing effect of the workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is Figure 1 A-A section view in Fig.

[0018] In the drawing: 1. water sand nozzle, 2. nozzle positioning piece, 3. runner, 4. gear drive assembly, 5. support, 6. turntable, 7. first servo motor, 8. spreading support plate, 9. guide column, 10. guide sleeve, 11. collection box, 12. drain, 13. lower filter hopper, 14. horizontal screw conveyor, 15. discharge port, 16. screen surface, 17. lifting cylinder, 18. support block, 19. support plate, 20. small support, 21. conveying roller, 22. liftable conveying roller shaft, 23. carrier wheel, 24. pipeline to be rust removed, 25. second servo motor. DETAILED DESCRIPTION

[0019] The utility model is described in detail according to the drawing of specification.

[0020] As Figure 1 , Figure 2 As shown in the drawing, the environment-friendly sand blasting and rust removing equipment based on high-pressure water jet comprises a workpiece support structure and a sand blasting and rust removing module located at one side of the workpiece support structure.

[0021] The workpiece support structure comprises a collecting box 11, support plates 19 arranged on the top of the left and right side walls of the collecting box 11, a group of supporting wheels arranged between the two support plates 19 and working alternately, and a group of liftable conveying rollers, the conveying rollers 21 of the group of liftable conveying rollers and the supporting wheels 23 of the group of supporting wheels being staggered arranged along the length direction of the collecting box 11. The collecting box 11 is internally provided with a lower filter hopper 13 with filter holes, the bottom of the lower filter hopper 13 is communicated with the top surface of a horizontal screw conveyor 14, the bottom surface of the horizontal screw conveyor 14 is a sieve surface 16, the bottom side of the collecting box 11 is provided with a drainage port 12, the lower end of the discharge port 15 of the horizontal screw conveyor 14 penetrates through the bottom of the collecting box 11 and is provided with a control valve, the axis of the horizontal screw conveyor 14 is parallel to the axis of the supporting wheels 23, and the axis of the conveying rollers 21 is perpendicular to the axis of the supporting wheels 23.

[0022] In the embodiment, the group of liftable conveying rollers comprises a plurality of liftable conveying roller shafts 22 arranged at intervals, and two conveying rollers 21 arranged on the liftable conveying roller shafts 22. The two ends of the liftable conveying roller shaft 22 respectively penetrate through the support plates 19 and are connected with the support blocks 18 by bearings, a lifting cylinder 17 is arranged between the bottom surface of the support block 18 and the top surface of the collecting box 11, a longitudinal avoiding long hole corresponding to the liftable conveying roller shaft 22 is arranged on the support plate 19, and one end of the liftable conveying roller shaft 22 is connected with the output end of the first servo motor 7 by a shaft coupling. One of the support blocks 18 at the two ends of the same liftable conveying roller shaft 22 is provided with an outward support plate 8 for supporting the first servo motor 7, the bottom surface of the outward support plate 8 is provided with a guide column 9, and the outside of the collecting box 11 is provided with a guide sleeve 10 matched with the guide column 9. The group of supporting wheels comprises a plurality of pairs of supporting wheels 23 arranged at intervals, each pair of supporting wheels 23 comprises two supporting wheels 23 arranged at intervals along the width direction of the collecting box 11, a small support 20 corresponding to the wheel shaft of the supporting wheel 23 is fixed on the inner side of the support plate 19, a second servo motor 25 is fixed on the support plate 19, and the output end of the second servo motor 25 is connected with the wheel shaft of the supporting wheel 23 by a transmission mechanism.

[0023] The sand blasting and derusting module comprises a plurality of sand blasting and derusting assemblies arranged at intervals along the length direction of the collecting box 11. The sand blasting and derusting assembly comprises a water-sand spraying head 1, a rotating table 6, a support 5 arranged on the rotating table 6, a rotating wheel 3 supported on the support 5, a spraying head positioning piece 2 fixedly connected with the top of the rotating wheel 3, a gear ring structure arranged on the outer periphery of the rotating wheel 3, and a gear driving assembly 4 arranged on the support 5 and matched with the gear ring structure. The gear driving assembly comprises a transmission gear engaged with the gear ring structure and a third servo motor (omitted in the figure) connected with the wheel shaft of the transmission gear. The sand blasting and derusting module is correspondingly arranged above the group of liftable conveying rollers in the horizontal direction.

[0024] Working principle:

[0025] 1、Start lifting cylinder 17, drive the lifting of the conveying roller group and higher than the top surface of the roller group, the pipeline 24 to be rust removal is placed in the lifting of the conveying roller group, and under the drive of the lifting of the conveying roller group, forward, reach the side of the sand blasting rust removal module.

[0026] 2、Lifting cylinder 17 drive lifting of the conveying roller group down, lower than the top surface of the roller group, the pipeline 24 to be rust removal falls on the roller group, under the drive of the roller group, rotation occurs.

[0027] 3、Start each sand blasting rust removal module, each water plus sand nozzle 1 to the pipeline 24 to be rust removal for rust removal operation, in this process, can be driven by the water plus sand nozzle 1 in the horizontal direction swing through the turntable 6, also can be through the gear drive assembly and gear ring structure to the water plus sand nozzle 1 for the adjustment of the pitch angle, cooperate with the rotation of the pipeline 24 to be rust removal, realize the comprehensive rust removal of the pipeline 24 to be rust removal.

[0028] 4、The mixture of water, sand, rust removal falling in the process of rust removal falls in the lower filter hopper 13 of the collection box 11, the solid phase part is intercepted in the lower filter hopper 13 and the horizontal screw conveyor 14, and the water part penetrates into the bottom of the collection box 11 through the filter hole and screen 16, realizes filtration, finally the water part is discharged through the drain 12 to the water recycling pipeline, is sent to the water plus sand system, gets recycling, energy saving and environmental protection, and the solid phase part accumulates to the set height, opens the horizontal screw conveyor 14 and the control valve, is discharged through the discharge port 15 of the horizontal screw conveyor 14.

[0029] The embodiments of the utility model are described in detail above, but the content described can only be the preferred embodiment of the utility model, and cannot be considered as limiting the scope of the utility model. Any equivalent change and improvement made within the scope of the utility model creation should still belong to the scope of the utility model.

Claims

1. An environmentally friendly sand blasting derusting device based on high-pressure water jet, comprising a workpiece support structure and a sand blasting derusting module located on one side of the workpiece support structure, characterized in that: The workpiece support structure comprises a collecting box, support plates arranged at the top of the left and right side walls of the collecting box, a group of supporting wheels arranged between the two support plates and working alternately, and a group of liftable conveying rollers, the conveying rollers of the group of liftable conveying rollers and the supporting wheels of the group of supporting wheels are staggered arranged along the length direction of the collecting box, the collecting box is internally provided with a lower filter hopper with filter holes, the bottom of the lower filter hopper is communicated with the top surface of a horizontal screw conveyor, the bottom surface of the horizontal screw conveyor is a sieve surface, the bottom side of the collecting box is provided with a drainage port, the lower end of the discharge port of the horizontal screw conveyor penetrates through the bottom of the collecting box and is provided with a control valve, the axis line of the horizontal screw conveyor is parallel to the axis line of the supporting wheels and perpendicular to the axis line of the conveying rollers.

2. The high-pressure water jet based environmentally friendly sandblasting deruster according to claim 1, characterized in that: The group of liftable conveying rollers comprises a plurality of liftable conveying roller shafts arranged at intervals, and two conveying rollers arranged on the liftable conveying roller shafts, the two ends of the liftable conveying roller shafts respectively penetrate through the support plates and are connected with support blocks by bearings, a lifting cylinder is arranged between the bottom surface of the support block and the top surface of the collecting box, the support plate is provided with a longitudinal avoiding long hole corresponding to the liftable conveying roller shaft, and one end of the liftable conveying roller shaft is connected with the output end of a first servo motor by a shaft coupling.

3. The high-pressure water jet based environmentally friendly sandblasting deruster according to claim 2, characterized in that: One of the support blocks at the two ends of the same liftable conveying roller shaft is provided with an outward support plate for supporting the first servo motor, the bottom surface of the outward support plate is provided with a guide column, and the outer side of the collecting box is provided with a guide sleeve matched with the guide column.

4. The high-pressure water jet based environmentally friendly sand blasting derusting apparatus according to claim 1, characterized in that: The group of supporting wheels comprises a plurality of pairs of supporting wheels arranged at intervals, each pair of supporting wheels comprises two supporting wheels arranged at intervals along the width direction of the collecting box, the inner side surface of the support plate is fixed with a small support corresponding to the wheel shaft of the supporting wheel, a second servo motor is fixed on the support plate, and the output end of the second servo motor is connected with the wheel shaft of the supporting wheel by a transmission mechanism.

5. The high-pressure water jet based environmentally friendly sandblasting rust removal equipment according to claim 1, characterized in that: The sand blasting and derusting module comprises a plurality of sand blasting and derusting assemblies arranged at intervals along the length direction of the collecting box, the sand blasting and derusting assembly comprises a water-sand spraying head, a turntable, a support arranged on the turntable, a rotating wheel supported on the support, a spraying head positioning piece fixedly connected with the top of the rotating wheel, a gear ring structure arranged on the outer periphery of the rotating wheel, and a gear driving assembly arranged on the support and matched with the gear ring structure.

6. The environmentally friendly sand blasting derusting equipment based on high-pressure water jet according to claim 1, characterized in that: The sand blasting and derusting module corresponds to the group of liftable conveying rollers above the group of liftable conveying rollers in the horizontal direction.

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