Multi-nozzle rotary high-pressure water jet sandblasting device

Abstract

This utility model relates to a multi-nozzle rotary high-pressure water jet sandblasting device, including a sandblasting box, high-pressure water jet nozzles, and a pipe support structure. The key technical features are: the pipe support structure consists of front and rear supports, a front roller group, and a rear roller group arranged at intervals along the X-direction. The axis of the front and rear roller groups forms an angle of less than 15 degrees with the horizontal plane. An upper X-direction linear module is fixed to the top of the rear side wall of the sandblasting box. An upper nozzle support is fixed above the slider of the upper X-direction linear module. U-shaped grooves are correspondingly provided on the top surfaces of the left and right side walls of the sandblasting box, supporting detachable short support shafts. A lower X-direction linear module is connected between the two detachable short support shafts. A lower nozzle support is provided on the slider of the lower X-direction linear module. Two high-pressure water jet nozzles are used, one connected to the upper nozzle support and the other connected to the lower nozzle support. This device can simultaneously clean the inner and outer walls of pipes, achieving high cleaning efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of high-pressure water jet sandblasting cleaning equipment, specifically to a multi-nozzle rotary high-pressure water jet sandblasting device. Background Technology

[0002] High-pressure water jet blasting combines water jetting and sandblasting techniques, offering unique rust and paint removal effects while being energy-efficient and environmentally friendly. The principle of high-pressure water jet blasting utilizes the negative pressure adsorption effect of high-pressure water jets, employing a post-mixing method. Appropriate solid particles are added to the high-pressure water jet, and the solid-liquid mixture removes paint coatings or other coverings adhering to the substrate surface.

[0003] CN 215036587 U discloses a dual-nozzle linkage rust removal module, which includes a housing. A pair of left-right distributed front connectors are screwed to the middle of the rear end of the housing. A connecting plate is provided between the front connectors, and connecting steel pipes are fixed to both ends of the connecting plate. The ends of the connecting steel pipes pass through the front connectors on the same side. This design facilitates not only vertical adjustment of the water-sand spray nozzle's height but also adjustment of its tilt angle. Furthermore, a speed-regulating motor drives a crank to rotate, causing the water-sand spray nozzle to swing back and forth. This reciprocating motion of the water-sand spray nozzle simulates the reciprocating motion of a handheld spray gun, thus improving work efficiency. However, the following problem remains: while the dual nozzles improve cleaning efficiency, they are only suitable for cleaning the outer walls of pipes and not for cleaning the inner walls of pipes. Utility Model Content

[0004] The purpose of this invention is to provide a multi-nozzle rotary high-pressure water jet sandblasting device with a reasonable structure and reliable operation that solves the above problems. It can simultaneously clean the inner and outer walls of pipes with high cleaning efficiency.

[0005] The technical solution of this utility model is: A multi-nozzle rotary high-pressure water jet sandblasting device includes a sandblasting box with an upper opening, high-pressure water jet nozzles, and a pipe support structure. The key technical features are: the pipe support structure consists of a front support and a rear support arranged at intervals along the X-direction on the bottom surface of the sandblasting box, a front support roller assembly on the front support, and a rear support roller assembly on the rear support. The axis of the front and rear support roller assemblies forms an angle of less than 15 degrees with the horizontal plane. An upper X-direction linear module is fixed to the top of the rear side wall of the sandblasting box. An upper nozzle support is fixed above the slider of the upper X-direction linear module. U-shaped grooves are correspondingly provided on the top surfaces of the left and right side walls of the sandblasting box, and detachable support short shafts are supported by these grooves. A lower X-direction linear module is connected between the two detachable support short shafts. A lower nozzle support is provided on the slider of the lower X-direction linear module. Two high-pressure water jet nozzles are included, one connected to the upper nozzle support and the other connected to the lower nozzle support.

[0006] The above-mentioned multi-nozzle rotary high-pressure water jet sandblasting device comprises an upper horizontal support plate, a bracket mounted on the upper surface of the upper horizontal support plate and hinged to the high-pressure water jet nozzle, a push-pull cylinder hinged between the high-pressure water jet nozzle and the upper horizontal support plate, and a guide block located at the rear end of the upper horizontal support plate. The top surface of the rear side wall of the sandblasting box is provided with an X-direction guide groove that cooperates with the guide block. The high-pressure water jet nozzle on the upper nozzle support faces upward towards the pipe support structure.

[0007] In the aforementioned multi-nozzle rotary high-pressure water jet sandblasting device, the lower nozzle support is a U-shaped seat hinged to the high-pressure water jet nozzle, and the high-pressure water jet nozzle on the lower nozzle support faces downwards from the pipe support structure.

[0008] The aforementioned multi-nozzle rotary high-pressure water jet sandblasting device has sand-blocking plates on the sides of the front and rear supports to shield the support rollers. In use, the upper edge of the sand-blocking plates is in contact with the outer wall of the pipe to be cleaned.

[0009] The beneficial effects of this utility model are: 1. Use the front and rear support roller sets to support the pipe fittings to be cleaned. At the same time, the axis of the pipe fittings to be cleaned should be kept at an angle of less than 15 degrees with the horizontal plane, i.e., it should be arranged at an angle, which is conducive to the flow out of the mixed liquid inside the pipe fittings when cleaning the inner wall.

[0010] 2. In use, the upper X-axis linear module and the lower X-axis linear module drive the two high-pressure water jet nozzles to run along the length of the pipe. In conjunction with the rotational drive of the support roller group, the inner and outer walls of the pipe are cleaned simultaneously, which significantly improves the cleaning efficiency. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a side view of the present invention (the tilt angle is small and not shown).

[0012] In the diagram: 1. Upper X-axis linear module, 2. Upper horizontal support plate, 3. Bracket, 4. High-pressure water jet nozzle, 5. Pipe to be cleaned, 6. Lower X-axis linear module, 7. U-shaped seat, 8. Detachable support short shaft, 9. Sandblasting box, 10. Rear support, 11. Rear support roller assembly, 12. High-pressure water jet nozzle, 13. Front support, 14. Front support roller assembly, 15. Push-pull cylinder, 16. Guide block, 17. Sand baffle. Detailed Implementation

[0013] The present invention will be described in detail with reference to the accompanying drawings.

[0014] like Figure 1 , Figure 2As shown, the multi-nozzle rotary high-pressure water jet sandblasting device includes a sandblasting box 9 with an upper opening, a high-pressure water jet nozzle, and a pipe support structure.

[0015] The pipe support structure comprises a front support 13 and a rear support 10 spaced apart along the X-direction on the bottom surface of the sandblasting box 9, a front support roller assembly 14 on the front support 13, and a rear support roller assembly 11 on the rear support 10. The axis of the front support roller assembly 14 and the rear support roller assembly 11 forms an angle of less than 15 degrees with the horizontal plane. Sand baffles 17 are provided on the sides of the front support 13 and the rear support 10 to shield the support rollers. In use, the upper edge of the sand baffle 17 is in contact with the outer wall of the pipe 5 to be cleaned.

[0016] The top of the rear side wall of the sandblasting box 9 is fixed with an upper X-direction linear module 1, and an upper nozzle support is fixed above the slider of the upper X-direction linear module 1. In this embodiment, the upper nozzle support consists of an upper horizontal support plate 2, a bracket 3 provided on the upper surface of the upper horizontal support plate 2 and hinged to the high-pressure water jet nozzle 4, a push-pull cylinder 15 hinged between the high-pressure water jet nozzle 4 and the upper horizontal support plate 2, and a guide block 16 provided at the rear end of the upper horizontal support plate 2. The top surface of the rear side wall of the sandblasting box 9 is provided with an X-direction guide groove that cooperates with the guide block 16. The high-pressure water jet nozzle 4 on the upper nozzle support faces upward towards the pipe support structure.

[0017] The top surfaces of the left and right side walls of the sandblasting box 9 are provided with U-shaped grooves, which support detachable support short shafts 8. A lower X-axis linear module 6 is connected between the two detachable support short shafts 8. A lower nozzle support is provided on the slider of the lower X-axis linear module 6. In this embodiment, the lower nozzle support is a U-shaped seat 7 hinged to the high-pressure water jet nozzle 12, and the high-pressure water jet nozzle 12 on the lower nozzle support faces downward towards the pipe support structure.

[0018] The high-pressure water jet nozzles are of two types, one connected to the upper nozzle support and the other connected to the lower nozzle support.

[0019] Working principle: 1. In use, hoist the pipe fitting 5 to be cleaned above the front support roller group 14 and the rear support roller group 11. The axle of the front support roller group 14 or the rear support roller group 11 is connected to the drive motor reducer.

[0020] 2. A combination structure consisting of a detachable short support shaft 8, a lower X-axis linear module 6, a lower nozzle support, and a high-pressure water jet nozzle 12 supporting the left and right side walls of the sandblasting box 9, with the high-pressure water jet nozzle 12 facing the inner surface of the starting end of the pipe fitting 5 to be cleaned.

[0021] 3. The high-pressure water jet nozzle 4 on the upper nozzle support faces the outer surface of the starting end of the pipe fitting 5 to be cleaned.

[0022] 4. Start the drive motor reducer to make the pipe fitting 5 to be cleaned rotate.

[0023] 5. Start the upper X-direction linear module 1 and the lower X-direction linear module 6 to drive the two high-pressure water jet nozzles to move along the X direction. The two high-pressure water jet nozzles will thoroughly clean the outer and inner walls of the pipe fitting 5 to be cleaned.

[0024] 6. Due to the inclined angle, the cleaning fluid inside the pipe flows out of the pipe quickly and falls into the sandblasting box 9. All cleaning fluid is collected and reused by the sandblasting box 9.

[0025] The embodiments of this utility model have been described in detail above, but the content described is only a preferred embodiment of this utility model and should not be considered as limiting the scope of implementation of this utility model. All equivalent changes and improvements made within the scope of this utility model should still fall within the scope of this utility model.

Claims

1. A multi-nozzle rotary high-pressure water jet sandblasting device, comprising an open-top sandblasting box, a high-pressure water jet nozzle, and a pipe support structure, characterized in that: The pipe support structure consists of a front support and a rear support arranged at intervals along the X-direction on the bottom surface of the sandblasting box, a front support roller assembly on the front support, and a rear support roller assembly on the rear support. The axis of the front support roller assembly and the rear support roller assembly forms an angle of less than 15 degrees with the horizontal plane. An upper X-direction linear module is fixed to the top of the rear side wall of the sandblasting box. An upper nozzle support is fixed above the slider of the upper X-direction linear module. The top surfaces of the left and right side walls of the sandblasting box are provided with corresponding U-shaped grooves, which support detachable support short shafts. A lower X-direction linear module is connected between the two detachable support short shafts. A lower nozzle support is provided on the slider of the lower X-direction linear module. There are two high-pressure water jet nozzles, one connected to the upper nozzle support and the other connected to the lower nozzle support.

2. The multi-nozzle rotary high-pressure water jet sandblasting device according to claim 1, characterized in that: The upper nozzle support consists of an upper horizontal support plate, a bracket mounted on the upper surface of the upper horizontal support plate and hinged to the high-pressure water jet nozzle, a push-pull cylinder hinged between the high-pressure water jet nozzle and the upper horizontal support plate, and a guide block located at the rear end of the upper horizontal support plate. The top surface of the rear side wall of the sandblasting box is provided with an X-direction guide groove that cooperates with the guide block. The high-pressure water jet nozzle on the upper nozzle support faces upward towards the pipe support structure.

3. The multi-nozzle rotary high-pressure water jet sandblasting device according to claim 1, characterized in that: The lower nozzle support is a U-shaped seat hinged to the high-pressure water jet nozzle, and the high-pressure water jet nozzle on the lower nozzle support faces downwards from the pipe support structure.

4. The multi-nozzle rotary high-pressure water jet sandblasting device according to claim 1, characterized in that: The front and rear supports are equipped with sand-blocking plates on their sides to shield the support rollers.

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