CN-122008026-A - High-pressure water circulation type bent pipe inner cavity grinding machine

CN122008026ACN 122008026 ACN122008026 ACN 122008026ACN-122008026-A

Abstract

The invention discloses a high-pressure water circulation type bent pipe inner cavity polishing machine, which belongs to the technical field of pipe processing and comprises a reciprocating pump, wherein a reciprocating pump piston is arranged in an inner cavity of the reciprocating pump, a power port and a water outlet are arranged at the top end of an outer cavity, a water inlet and a cavity are arranged at the bottom, and a reciprocating pump steering hydraulic push rod and a reciprocating pump steering hydraulic cylinder are arranged at two ends of the outer cavity. The power port is connected with the regulating pressure storage bin, the upper end of the regulating pressure storage bin is provided with a switch valve port sealing bin, a power transmission pipe is sleeved and embedded, and a switch valve port baffle is arranged in the switch valve port sealing bin. The upper end of the reciprocating pump is connected with a power regulator, the upper end of the power regulator is connected with a herringbone locking linkage switch, the bent pipe is arranged on a bent pipe locking buckle, and the power transmission pipe switch is controlled through the herringbone locking linkage switch and the power regulator. The inner cavity of the bent pipe is provided with a reciprocating movable brush, two ends of the reciprocating movable brush are cones, the middle of the reciprocating movable brush is a cylinder with a spiral groove, and the steel wire brush is spirally arranged. The two ends of the bent pipe are connected with the flow divider, and the flow divider generates hydraulic energy through the hydraulic push rod and transmits the hydraulic energy to the gear regulator. The gear regulator can realize polishing of three bent pipes under any combination, and can transmit hydraulic energy to the reciprocating pump to realize high-pressure water steering. The polishing machine can realize polishing and cleaning of the inner cavities of large-batch metal bent pipes, improves the processing efficiency and ensures the smoothness of the inner cavities of the bent pipes.

Inventors

HUANG ZHIYONG
GAO JIAYUAN
LI YI
LAN XIAOSHENG

Assignees

四川大学

Dates

Publication Date: 20260512
Application Date: 20241112

Claims (6)

1. The high-pressure water circulation type bent pipe inner cavity polishing machine comprises a reciprocating pump 1, a power regulator 2, a herringbone locking linkage switch 3, a flow divider 4, a gear regulator 5, a reciprocating movable brush 6, a bent pipe 7 and an integral frame 8, and is characterized in that the reciprocating pump 1 is arranged at the middle position, the upper end of the reciprocating pump 1 is connected with the power regulator 2, the upper end of the power regulator 2 is connected with the herringbone locking linkage switch 3, a bent pipe 7 is clamped by a bent pipe locking buckle 3.1 in the herringbone locking linkage switch 3, the inner cavity of the bent pipe 7 is provided with the reciprocating movable brush 6, two ends of the bent pipe 7 are connected with the flow divider 4, the bottom end of the flow divider 4 is connected with the gear regulator 5, the other end of the gear regulator 5 is connected back to the reciprocating pump 1, and the back of the reciprocating pump 1 is respectively connected with a high-pressure water motor 1.9 and a water storage tank 1.15.
2. The high-pressure water circulation type bent pipe inner cavity polishing machine according to claim 1, wherein the inner cavity of the reciprocating pump 1 is provided with a reciprocating pump piston 1.1, a piston 1 number penetrating hole 1.10, a piston 2 number penetrating hole 1.11, a piston 1 number inner cavity hole 1.12 and a piston 2 number inner cavity hole 1.13, the four piston holes are respectively connected with a reciprocating pump 1 number power port 1.5, a reciprocating pump 2 number power port 1.6 and a reciprocating pump water outlet 1.8 which are arranged at the top end of a reciprocating pump outer cavity 1.4, the reciprocating pump water outlet 1.8 is connected with a water return pipe 1.14, the water return pipe 1.14 is connected with a water storage tank 1.15, a pair of reciprocating pump water inlets 1.7 and corresponding chambers are designed at the bottom of the reciprocating pump outer cavity 1.4, the reciprocating pump water inlets 1.7 are connected with a water inlet pipeline 1.16, the water inlet pipeline 1.16 is connected with a high-pressure water turbine 1.9, the two ends of the reciprocating pump 1 are respectively provided with a reciprocating pump steering push rod 1.2, and the reciprocating pump 1.2 is sleeved in the reciprocating pump steering cylinder in a reciprocating pump hydraulic steering cylinder.
3. The high-pressure water circulation type bent pipe inner cavity polishing machine of claim 1, wherein a power regulator 4 is arranged at the upper end of the reciprocating pump 1, a No. 2 power port of the reciprocating pump 1 is connected with an adjusting pressure storage bin 2.1, a switch valve port sealing bin 2.2 is arranged at the upper end of the adjusting pressure storage bin 2.1, the switch valve port sealing bin 2.2 is sleeved on a power transmission pipe 2.6, a switch valve port baffle 2.3 is arranged in the switch valve port sealing bin 2.2, the switch valve port baffle 2.3 is connected with a switch valve port adjusting rod 2.4, and a switch valve port spring 2.5 is arranged at the rear section of the switch valve port adjusting rod 2.4.
4. The high-pressure water circulation type bent pipe inner cavity polishing machine according to claim 1, wherein the upper end of the power regulator 2 is connected with a herringbone locking linkage switch 3, the upper ends of herringbone switch legs 3.4 are connected with herringbone switch legs 3.3, the two herringbone switch legs 3.3 are hinged on a herringbone switch push rod 3.2, the herringbone switch push rod 3.2 is arranged on a herringbone switch fixing support 3.5, the upper end of the herringbone switch push rod 3.2 props against a bent pipe locking buckle 3.1, the bent pipe locking buckle 3.1 is arranged on a bent pipe center clamping table 3.6 to clamp a bent pipe, two sides of the bent pipe are arranged on a bent pipe auxiliary clamping table 3.7, two ends of a reciprocating bent pipe movable brush 6 are cone 6.1, a cylinder 6.2 with a spiral groove is arranged in the middle, a wire brush 6.3 is arranged between the cone and the cylinder in a spiral manner, and two ends of the curve pipe 7 are connected with a diverter 4.
5. The high-pressure water circulation type bent pipe inner cavity polishing machine according to claim 4, wherein a splitter hose 4.1 in a splitter 4 is connected with a bent pipe 7, the other end of the splitter hose 4.1 is a splitter front end pipe 4.2, the lower part of the splitter front end pipe 4.2 is connected with a power transmission pipe 2.6, a splitter hydraulic push rod 4.4 and a splitter spring 4.5 are installed in the splitter front end pipe 4.2, an inner rifling pipe body is designed at the front end of the splitter hydraulic push rod 4.4, the rear end of the splitter hydraulic push rod 4.4 is installed in a splitter hydraulic cylinder 4.3, the other end of the splitter hydraulic cylinder 4.3 is connected with a splitter bottom pipe 4.6, the splitter hydraulic cylinder 4.3 is installed on a splitter post 4.7, and the bottom end of the splitter bottom pipe 4.6 is connected with a gear regulator 5.
6. The high-pressure water circulation type bent pipe inner cavity polishing machine according to claim 5, wherein a gear control main hydraulic cylinder 5.2 in a gear control device 5 is connected to a diverter bottom pipe 4.6, a gear control main hydraulic push rod 5.3 is installed in the gear control main hydraulic cylinder 5.2, a gear control slave hydraulic push rod 5.5 is arranged on the other side of the gear control main hydraulic push rod 5.3, a gear control rod 5.4 is installed on the gear control slave hydraulic push rod 5.5, the other end of the gear control slave hydraulic push rod 5.5 is installed in the gear control slave hydraulic cylinder 5.6, and a communication hydraulic bin 5.7 is arranged at the tail end of an outer bin 5.1 of the gear control device and communicated with a reciprocating pump 1 steering hydraulic cylinder 1.3.

Description

High-pressure water circulation type bent pipe inner cavity grinding machine Technical Field The invention relates to the field of pipe machining, in particular to a high-pressure water circulation type bent pipe inner cavity grinding machine. Background In the field of aeroengines, a plurality of semi-arc elbows and other special elbows are required for fuel oil, engine oil and compressed gas transmission, so that the inner cavity of the elbows is required to have a highly smooth surface, a row of tiny holes are formed on the surface of the elbows to serve as elbow components for oil injection, air injection and other operations, and some elbows are required to be butt welded, so that burrs, weld seam surplus and other defects are generated in the inner cavity in the processing process of the elbows, the inner cavity defects can greatly influence the transportation of fuel oil and the strength of the elbows, and the service life of the elbows is reduced. In the prior patent, the surface and two ends of the metal are polished generally, and the inner cavity of the metal is manually processed generally due to difficult polishing, but the cleaning efficiency of the bent pipe is greatly reduced, and the smoothness of the inner cavity of the bent pipe in a large batch cannot be ensured. Disclosure of Invention 1. Technical problem to be solved Aiming at the problems in the prior art, the invention aims to provide a high-pressure water circulation type bent pipe inner cavity polisher which can polish and clean a large number of metal bent pipe inner cavities. 2. Technical proposal In order to solve the problems, the invention adopts the following technical scheme. The utility model provides a high-pressure water circulation formula return bend inner chamber polisher, includes the reciprocating pump, and the reciprocating pump inner chamber has the reciprocating pump piston, has designed piston No.1 through hole on the reciprocating pump piston, and piston No. 2 through hole, piston No.1 inner chamber hole, piston No. 2 inner chamber hole, these four kinds of piston holes correspond respectively, and reciprocating pump No.1 power mouth, reciprocating pump No. 2 power mouth, reciprocating pump water outlet of reciprocating pump outer chamber top design. The water outlet of the reciprocating pump is connected with a water return pipe, the water return pipe is connected with a water storage tank, a screen bag is arranged at the water inlet of the water storage tank, and the collection of scraps is carried out after the inner cavity of the bent pipe is polished. The bottom of the outer cavity of the reciprocating pump is provided with a pair of water inlets of the reciprocating pump and corresponding cavities. The water inlet of the reciprocating pump is connected with a water inlet pipeline which is connected with a high-pressure water motor. The upper end of the cavity is provided with a baffle plate which is convenient for the reciprocating motion of the reciprocating pump piston, and the center of the baffle plate is provided with a rectangular Kong Fangbian cavity communicated with the No. 2 through hole of the piston. Piston number 1 inner cavity hole and piston and the middle of the No. 2 inner cavity hole is communicated. The two ends of the reciprocating pump are provided with the steering hydraulic push rods of the reciprocating pump, and the steering hydraulic push rods of the reciprocating pump are sleeved in the steering hydraulic cylinder of the reciprocating pump. Further, a power regulator is arranged at the upper end of the reciprocating pump, a No. 2 power port of the reciprocating pump is connected with an adjusting pressure storage bin, a switch valve port sealing bin is arranged at the upper end of the adjusting pressure storage bin and sleeved on a power conveying pipe, a switch valve port baffle is arranged in the switch valve port sealing bin and connected with a switch valve port adjusting rod, and a switch valve port spring is arranged at the rear section of the switch valve port adjusting rod. Furthermore, the upper end of the power regulator is provided with a herringbone locking linkage switch, and as three bent pipes can be processed simultaneously, the power regulator, the herringbone locking linkage switch and other parts are all provided with three sets. The herringbone switch foot in the herringbone locking linkage switch pushes the switch valve port adjusting rod to adjust the switch. The upper ends of the herringbone switch legs are connected with herringbone switch legs, the two herringbone switch legs are hinged on the herringbone switch push rods, the herringbone switch push rods are arranged on the herringbone switch fixing support, and the upper ends of the herringbone switch push rods are propped against the bent pipe to be locked. The bent pipe locking buckle is arranged on the bent pipe center clamping table to clamp the bent pipe, and two sides of the bent pipe are arrange