A pipe cleaning device with a closed cavity

Abstract

A pipe cleaning device for a closed cavity includes a pipe turning mechanism, a pipe rotation mechanism, a flushing rack, a device bracket and a water tank. The pipe rotation mechanism is located at the head end of the pipe. The pipe rotation mechanism is powered by a pneumatic motor. The pneumatic motor drives a group of pipe chucks to rotate through a reducer and a transmission assembly, and the pipe chuck drives the pipe to rotate. The pipe turning mechanism is provided with a support frame and a vertically arranged turning cylinder. The pipe is located on the support frame, and the middle of the support frame is connected to the turning cylinder. The flushing rack is arranged at the end of the pipe, and a water nozzle is arranged on the flushing rack, and the water nozzle is connected to a high-pressure water pipeline. The present invention can complete 360° non-dead-angle flushing and cleaning of the inner cavities of multiple pipes in one operation, thoroughly clean up the debris in the inner cavities of the pipes, and greatly improve the quality of the product. The device has a high degree of automation, which can greatly improve production efficiency. The number of pipes cleaned at one time can also be increased or decreased according to on-site requirements to meet the requirements of the metal pipe production line.

Description

Technical Field

[0001] The invention relates to a cleaning device, in particular to a pipe cleaning device with a closed cavity. Background Art

[0002] High-frequency welded pipe products are widely used in many fields such as construction, automobile manufacturing, shipbuilding, and machinery manufacturing. The high-frequency welded pipe production line is to process various metal pipe raw materials through extrusion deformation and other means, and process them into pipes with cross-sections such as round pipes, square pipes, and special-shaped pipes, and then weld them using high-frequency induction welding technology. After that, the welded pipes are sized by extrusion rollers and cut to length by computer flying saws, thereby obtaining a complete set of metal pipe production equipment for metal pipe products. The problem with the existing technology is that the inner cavity of the pipe fittings used in automobiles absorbs a lot of sawdust after sawing, and when the pipe fittings are installed on the car, noise will be generated as the car runs. Based on the continuous improvement of the requirements for vehicle body noise control, automobile manufacturers require the sawdust in the inner cavity of the pipe after sawing to be cleaned, but traditional manual cleaning and simple mechanical cleaning are inefficient and require a lot of labor, and cannot meet the requirements of the metal pipe production line. Summary of the invention

[0003] The purpose of the present invention is to address the drawbacks of the prior art and provide a closed cavity pipe cleaning device that can automatically and efficiently clean the inner cavities of multiple pipes.

[0004] The problem described in the present invention is achieved by the following technical solution:

[0005] A pipe cleaning device with a closed cavity comprises a pipe turning mechanism, a pipe rotation mechanism, a flushing rack, a device bracket and a water tank, wherein the pipe rotation mechanism is located at the head end of the pipe, and the pipe rotation mechanism is powered by an air motor, which drives a group of pipe chucks to rotate via a reducer and a transmission assembly, and the pipe chucks drive the pipe to rotate; the pipe turning mechanism is provided with a supporting frame and a vertically arranged turning cylinder, the pipe is located on the supporting frame, and the middle part of the supporting frame is connected to the turning cylinder; the flushing rack is arranged at the end of the pipe, and a water nozzle is provided on the flushing rack, and the water nozzle is connected to a water pipeline.

[0006] The above-mentioned closed cavity pipe cleaning device, the pipe rotation mechanism is provided with a reducer mounting plate, the reducer mounting plate is fixed to the head end of the support frame, the reducer mounting plate supports the reducer, and the reducer is connected to the pneumatic motor; the transmission assembly is provided with a first driving gear, a second driving gear, a sliding rack, a driving sprocket, a chain and a driven sprocket, the reducer output shaft is connected to the first driving gear, the first driving gear and the second driving gear are respectively meshed with the sliding rack, the second driving gear is coaxially arranged with the driving sprocket, the chain is meshed with the driving sprocket and several driven sprockets, each driven sprocket shaft is respectively supported by an axle seat, and each driven sprocket shaft is respectively connected to the pipe chuck.

[0007] The above-mentioned closed cavity pipe cleaning device, the head end of the support frame is provided with a head end crossbeam, the tail end is provided with a tail end crossbeam, each shaft seat is fixed on the head end crossbeam; the sliding rack is installed in the slide groove of the rack slide groove plate, the sliding rack is slidably matched with the slide groove, and the rack slide groove plate is fixed to the head end crossbeam.

[0008] The above-mentioned closed cavity pipe cleaning device, the device bracket is located at the head end of the pipe, the upper end of the device bracket is symmetrically provided with pins, and the two sides of the head end crossbeam are respectively rotatably connected to the pins.

[0009] The above-mentioned closed cavity pipe cleaning device has several pipe limit seats on the end cross beam, each pipe limit seat corresponds to a pipe chuck, and a clamping cylinder is provided on the end cross beam. The clamping cylinder piston rod is connected to the pressure arm, and the pressure arm is connected to the upper limit pressure plate. The upper limit pressure plate and the pipe limit seat together constitute a limit for the end of the workpiece.

[0010] In the above-mentioned closed cavity pipe cleaning device, each pipe bracket is provided with a support block, and the support block is provided with a shaped groove, and the shaped groove matches the outer contour of the pipe.

[0011] The above-mentioned closed cavity pipe cleaning device has a water tank arranged beside the device bracket and a partition net arranged on the top of the water tank.

[0012] In the above-mentioned closed cavity pipe cleaning device, limit blocks are respectively provided on the upper and lower sides of the rack slide plate.

[0013] The above-mentioned closed cavity pipe cleaning device also includes a pipe bracket, and the two pipe brackets are respectively located on both sides of the flip cylinder, and the pipe brackets support the pipe.

[0014] The present invention is designed to solve the problem of cleaning sawdust in the inner cavity of pipe fittings. The device includes a pipe fitting flipping mechanism, a pipe fitting self-rotating mechanism and a flushing rack. In one operation, the inner cavities of multiple pipe fittings can be flushed and cleaned 360 degrees without dead angles, and the debris in the inner cavity of the pipe fittings can be completely cleaned, which greatly improves the quality of the product. The device has a high degree of automation, which can greatly improve production efficiency. The number of pipe fittings cleaned at one time can also be increased or decreased according to site requirements to meet the requirements of the metal pipe production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a schematic diagram of the structure of the present invention;

[0017] Figure 2 It is a structural schematic diagram of the pipe turning mechanism;

[0018] Figure 3 It is a structural diagram of the pipe rotation mechanism;

[0019] Figure 4 is a schematic diagram of the structure of the device bracket;

[0020] Figure 5 It is a structural schematic diagram of a pipe bracket.

[0021] The list of numbers in the figure is: 1. Device bracket, 1-1, pin shaft, 2. Pipe turning mechanism, 2-1, turning cylinder, 2-2, support frame, 2-3, head end beam, 2-4, middle beam, 2-5, end beam, 2-6, pipe limit seat, 2-7, upper limit plate, 2-8, pressure arm, 2-9, clamping cylinder, 3, pipe rotation mechanism, 3-1, pneumatic motor, 3-2, reducer, 3- 3. Reducer mounting plate, 3-4. Second drive gear, 3-5. Sliding rack, 3-6. Rack slide plate, 3-7. Limit block, 3-8. Driving sprocket, 3-9. First drive gear, 3-10. Driven sprocket, 3-11. Chain, 3-12. Shaft seat, 3-13. Pipe chuck, 4. Pipe bracket, 4-1. Support block, 5. Flushing rack, 5-1. Faucet, 6. Water tank, 7. Pipe. DETAILED DESCRIPTION

[0022] See also Figure 1 The present invention includes a pipe turning mechanism 2, a pipe rotation mechanism 3, a flushing rack 5, a device bracket 1, a pipe bracket 4 and a water tank 6. The device can clean the inner cavities of multiple pipes 7 at a time, and the illustrated embodiment can clean three pipes at a time. The pipes are supported by a support frame and a pipe bracket. The function of the pipe rotation mechanism is to drive the pipes to rotate so as to achieve 360° flushing inside the pipes. The function of the pipe turning mechanism is to lift the pipes to an inclined state, and the high ends of each pipe are respectively connected to each water nozzle 5-1 of the flushing rack 5, and the water nozzles are connected to the high-pressure water pipeline, and the low ends of the pipes are connected to the water tank so as to discharge the debris and water in the pipes. The function of the pipe bracket is to support the pipes when the pipes are in a horizontal position.

[0023] See also Figure 2 , Figure 4 and Figure 5The pipe turning mechanism 2 is provided with a support frame 2-2 and a vertically arranged turning cylinder 2-1. The support frame is provided with a head end crossbeam 2-3, a middle crossbeam 2-4 and a terminal crossbeam 2-5. A pin shaft 1-1 is symmetrically arranged at the upper end of the device bracket 1. Both sides of the head end crossbeam are rotatably connected with the device bracket through the pin shaft. The middle crossbeam is connected to the turning cylinder piston rod. When the turning cylinder piston rod is extended, the support frame together with the pipe fitting can be lifted up to an inclined state so that the flushing water can carry debris out of the pipe fitting. The two pipe fitting brackets 2 are respectively located on both sides of the turning cylinder. Several support blocks 4-1 are arranged on each pipe fitting bracket. Each support block supports a pipe fitting correspondingly. The support block is provided with a groove matching the outer contour of the workpiece. The turning cylinder piston rod is retracted, and the support frame is in a horizontal state. In this state, the pipe fitting is located in the groove and contacts the groove. Several pipe limit seats 2-6 are arranged on the end cross beam 2-5, and each pipe limit seat corresponds to the installation of the end of a pipe. A clamping cylinder 2-9 is arranged on the end cross beam, and the clamping cylinder piston rod is connected to the pressure arm 2-8, and the pressure arm is connected to the upper limit pressure plate 2-7. The pipe can be loaded or taken out when the upper limit pressure plate is in the open state, and the upper limit pressure plate and the pipe limit seat together constitute the limit of the end of the workpiece when it is pressed down.

[0024] See also Figure 1 , Figure 3, the pipe self-rotation mechanism is provided with a pneumatic motor 3-1, a reducer 3-2, a reducer mounting plate 3-3 and a transmission assembly. The reducer mounting plate is fixed to the side of the head end cross beam 2-3, the reducer mounting plate supports the reducer, and the reducer is connected to the pneumatic motor. The present invention uses the pneumatic motor as the power source of the pipe self-rotation mechanism, which is based on the characteristics of the pneumatic motor being suitable for emergency start, emergency stop, frequent start, and can work in a water environment. The transmission assembly is provided with a first driving gear 3-9, a second driving gear 3-4, a sliding rack 3-5, a driving sprocket 3-8, a chain 3-11 and several driven sprockets 3-10, and the illustrated embodiment is provided with three driven sprockets. The first driving gear is installed on the output shaft of the reducer, and the first driving gear and the second driving gear are respectively meshed with the sliding rack, so that the first driving gear and the second driving gear rotate synchronously under the transmission connection of the sliding rack, the driving gear rotates, and the sliding rack moves up and down. The second driving gear is coaxially arranged with the driving sprocket, and the chain meshes with the driving sprocket and several driven sprockets to drive the driven sprockets to rotate. The number of driven sprockets depends on the design requirements. The axles of each driven sprocket are supported by the shaft seat 3-12, which is fixed on the head end cross beam 2-3. Each shaft seat corresponds to a pipe limit seat. Each driven sprocket shaft is connected to the pipe chuck 3-13, and three blocks are installed on each pipe chuck. The head end of the pipe is inserted between the three blocks. The sliding rack 3-5 is installed in the slide groove of the rack slide plate 3-6. The sliding rack and the slide groove form a sliding fit. The rack slide plate is fixed to the head end cross beam, and the head end cross beam is provided with a rack clearance hole. The upper and lower sides of the rack slide plate are respectively provided with limit blocks 3-7. After the sliding rack contacts the limit blocks, the pneumatic motor runs in the reverse direction.

[0025] When the present invention is working, multiple pipe fittings can be cleaned at the same time. First, the support frame is in a horizontal state to install the pipe fittings, and the two ends of each pipe fitting are limited by the pipe fitting chuck, the pipe fitting limit seat, and the upper limit plate respectively; the turning cylinder is started, the pipe fitting is turned over a certain angle, and the end of the pipe fitting is aligned with the water nozzle; the pipe fitting self-rotation mechanism is activated, and each pipe fitting is alternately forward and reversed to achieve 360° cleaning of the inner wall without dead angles, and the cleaned water flows into the water tank for collection; after cleaning, the pipe fitting self-rotation mechanism stops, the turning cylinder piston rod is retracted, and the pipe fitting returns to a horizontal state with the support frame, the flushed pipe fitting is removed, and the pipe fitting to be flushed is installed.

Claims

1. A closed cavity pipe cleaning device, characterized in that: It includes a pipe turning mechanism, a pipe rotation mechanism, a flushing rack, a device bracket and a water tank. The pipe rotation mechanism is located at the head end of the pipe. The pipe rotation mechanism is powered by a pneumatic motor. The pneumatic motor drives a group of pipe chucks to rotate through a reducer and a transmission assembly, and the pipe chuck drives the pipe to rotate. The pipe turning mechanism is provided with a support frame and a vertically arranged turning cylinder. The pipe is located on the support frame, and the middle of the support frame is connected to the turning cylinder. The flushing rack is arranged at the end of the pipe, and a water nozzle is arranged on the flushing rack, and the water nozzle is connected to the water pipeline. The device bracket is located at the head end of the pipe, and a pin is symmetrically arranged on the upper end of the device bracket. Both sides of the head end crossbeam are rotatably connected to the pin respectively. The water tank is arranged beside the device bracket. The support frame is provided with a head end cross beam at the head end and a terminal cross beam at the terminal end, and each shaft seat is fixed on the head end cross beam; the sliding rack is installed in the slide groove of the rack slide groove plate, the sliding rack is slidably matched with the slide groove, and the rack slide groove plate is fixed to the head end cross beam; The function of the pipe fitting flipping mechanism is to lift the pipe fitting to an inclined state, and the high end of each pipe fitting is respectively connected to each water nozzle of the flushing rack, the water nozzle is connected to the high-pressure water pipeline, and the low end of the pipe fitting is connected to the water tank, so as to discharge the debris and water in the pipe fitting; Three clamping blocks are installed on the pipe fitting chuck, and the head end of the pipe fitting is inserted between the three clamping blocks; The first end cross beam is provided with a rack clearance hole; Two pipe brackets are provided, and the two pipe brackets are respectively located at two sides of the flip cylinder, and the pipe brackets are used to support the pipes.

2. The closed cavity pipe cleaning device according to claim 1, characterized in that: The pipe rotation mechanism is provided with a reducer mounting plate, which is fixed to the head end of the support frame, the reducer mounting plate supports the reducer, and the reducer is connected to the pneumatic motor; the transmission assembly is provided with a first driving gear, a second driving gear, a sliding rack, a driving sprocket, a chain and a driven sprocket, the reducer output shaft is connected to the first driving gear, the first driving gear and the second driving gear are respectively meshed with the sliding rack, the second driving gear is coaxially arranged with the driving sprocket, the chain is meshed with the driving sprocket and several driven sprockets, the axles of each driven sprocket are respectively supported by an axle seat, and the axles of each driven sprocket are respectively connected to the pipe chuck.

3. The closed cavity pipe cleaning device according to claim 2, characterized in that: Several pipe limiting seats are arranged on the end cross beam, each pipe limiting seat corresponds to a pipe chuck, and a clamping cylinder is arranged on the end cross beam, the clamping cylinder piston rod is connected to the clamping arm, the clamping arm is connected to the upper limit pressure plate, and the upper limit pressure plate and the pipe limiting seat together constitute the limit for the end of the workpiece.

4. The closed cavity pipe cleaning device according to claim 3, characterized in that: Each pipe bracket is provided with a support block, and the support block is provided with a shaped groove, and the shaped groove matches the outer contour of the pipe.

5. The closed cavity pipe cleaning device according to claim 4, characterized in that: A partition net is provided on the top of the water tank.

6. The closed cavity pipe cleaning device according to claim 5, characterized in that: Limit blocks are respectively arranged on the upper and lower sides of the rack slide plate.

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