Pipe production system with oil fume collection function

Abstract

The present invention relates to a pipe production system with an oil fume collection function, comprising a discharging device, a straightening device, a length measuring device, an online induction heating furnace, a heat preservation cooling device, a tension device, an inkjet drying device, a forming device and a winding and unloading device, wherein the discharging device comprises an oil fume collection device and a material frame tray, wherein the winding and unloading device is provided with a tube head inflation device, wherein the oil fume collection device comprises an exhaust unit, a reducer and a driving motor, wherein the material frame tray is used to support the material frame, wherein the material frame is used to place a coil to be annealed, wherein the coil to be annealed has a tube head and a tube tail, wherein the driving motor is connected to the reducer, wherein the reducer is connected to the material frame tray, wherein the tube head inflation device is connected to the tube head, and wherein the exhaust unit is connected to the tube tail. In the present invention, the oil fume of the coil is discharged outdoors after being absorbed and processed by the oil fume collection device, thereby not causing pollution to the indoor environment.

Description

Technical Field

[0001] The invention relates to a pipe production system, in particular to a pipe production system with an oil fume collection function. Background Art

[0002] The incoming mother tube of the online induction annealing super large coil tube production system is a material frame coil tube loaded with a material frame, which includes internal thread coil tubes produced by internal thread machines or optical disc tubes produced by coil drawing machines. These mother tubes are produced by drawing external dies and floating core heads on their respective equipment, and oil injection and lubrication are required during the production process. In this way, there is an oil film on the inner and outer surfaces of these mother tubes during production, and the back-end has not undergone special cleaning treatment. The mother tube is transported to the online induction annealing super large coil production. The outer surface of the tube is cleaned by a surface cleaning device before entering the annealing furnace for heating. Most of the oil film on the outside of the tube is cleaned, and the remaining little oil film can be vaporized by heating. The outside oil fume is in the heating chamber, and the oil fume is treated by a purifier, which will not pollute the workshop. However, there is no way to clean the inside of the tube. Therefore, the oil pollution in the tube produced by the online induction annealing super large coil will eventually be discharged into the atmosphere due to heating and vaporization, which has a very adverse effect on the air environment of the workshop, so it is necessary to collect the exhaust gas in the tube. Summary of the invention

[0003] In order to overcome the above-mentioned defects, the present invention provides a pipe production system with an oil fume collection function. The system is provided with an oil fume collection device. The oil fume of the coil is absorbed and processed by the oil fume collection device and then discharged to the outdoors, thereby not causing pollution to the indoor environment and protecting the physical and mental health of employees.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A pipe production system with a fume collection function, comprising a discharge device for receiving and releasing a coil to be annealed, a straightening device for straightening the coil, a length measuring device for measuring the length of the coil after straightening, an online induction heating furnace for annealing the coil, a heat preservation cooling device for cooling the annealed coil, a tension device for tension drawing the coil, an inkjet drying device for inkjet and drying the coil, a forming device for bending the coil, and a winding and unwinding device for winding and unloading the coil. The material device comprises an oil fume collecting device and a material frame tray, the winding and unloading device is provided with a tube head gas filling device, the oil fume collecting device comprises an exhaust unit, a reducer and a driving motor, the material frame tray is used to support the material frame, the material frame is used to place the coil to be annealed, the coil to be annealed has a tube head and a tube tail, the driving motor is connected to the reducer, the reducer is connected to the material frame tray, the tube head gas filling device is connected to the tube head and fills nitrogen into the coil, and the exhaust unit is connected to the tube tail for exhausting air in the coil.

[0006] Preferably, the reducer has a hollow shaft, a center hole is provided in the hollow shaft along its axial direction, one end of the hollow shaft is connected to the tube tail through an air connecting pipe, and the other end is connected to the air extraction unit, and the air connecting pipe is connected to the center hole.

[0007] Preferably, the exhaust unit is an oil fume purifier, an air slip ring is fixedly installed on the other end of the hollow shaft, an air suction port is provided on the air slip ring, the oil fume purifier is connected to the air suction port through an oil fume suction pipe, and the air suction port is connected to the center hole.

[0008] Preferably, the pipe head inflation device comprises an air joint and an air rotary joint, one end of the air joint is connected to the pipe head, and the other end is connected to the air rotary joint, and the air rotary joint is connected to an external air supply unit.

[0009] Preferably, the gas joint is installed on the gas joint seat, and one end of the gas joint is connected to the pipe head through a copper tube, and the other end is connected to the gas rotary joint through a ventilation pipe.

[0010] Preferably, the unloading device, straightening device, length measuring device, online induction heating furnace, heat preservation and cooling device, tension device, inkjet drying device, forming device and winding and unloading device are linearly arranged in sequence according to the processing steps.

[0011] The beneficial effects of the present invention are as follows: the present invention adds an oil fume collection device, the oil fume collection device includes an oil fume purifier and a reducer with a hollow shaft. During annealing, the tube head inflation device introduces nitrogen into the tube head as a protective gas. Nitrogen is continuously blown into the tube head and discharged from the tube tail. The oil fume in the tube flows to the tube tail with the nitrogen. The oil fume passes through the air connection pipe, the center hole of the hollow shaft, the air slip ring, and the oil fume suction pipe from the tube tail in sequence and is absorbed by the oil fume purifier. The oil fume purifier is an outdoor oil fume purifier with an oil fume purification function. The oil fume treated by the oil fume purifier meets the emission standard and is directly discharged outdoors. Therefore, the gasified oil film in the present invention is collected by the exhaust unit and then discharged outdoors after purification, so as not to cause pollution to the indoor environment and protect the physical and mental health of employees. In the present invention, by setting the rotating shaft of the reducer as a hollow shaft, it is convenient for the oil fume to be discharged into the oil fume purifier, and the function of collecting oil fume is completed without adding other equipment. The design is ingenious, the cost is saved, and it has strong practical performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the present invention;

[0013] Figure 2 It is a structural schematic diagram of the wooden support in the present invention;

[0014] Figure 3 It is a structural schematic diagram of the material frame in the present invention;

[0015] Figure 4 It is a structural schematic diagram of the oil fume collection unit in the present invention;

[0016] Figure 5 It is a partial structural schematic diagram of the oil fume collection unit in the present invention;

[0017] Figure 6 It is a structural schematic diagram of the pipe head inflation device in the present invention;

[0018] In the figure: 11-straightening device, 12-length measuring device, 13-online induction heating furnace, 14-insulation cooling device, 15-tension device, 16-inkjet drying device, 17-forming device, 18-winding and unloading device, 19-wooden tray, 20-discharging device, 21-material frame tray, 30-oil fume collecting device, 31-oil fume purifier, 32-oil fume suction pipe, 33-reducer, 34-hollow shaft, 35-center hole, 36-gas slip ring, 37-air suction port, 38-air pipe, 40-material frame, 41-annealing coil, 42-tube head, 43-tube tail, 50-tube head inflation device, 51-gas joint, 52-gas joint seat, 53-gas rotary joint, 54-copper tube, 55-ventilation pipe. DETAILED DESCRIPTION

[0019] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0021] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0022] Example: Figure 1-6As shown, a pipe production system with a fume collection function includes a discharge device 20 for receiving and releasing a coil to be annealed, a straightening device 11 for straightening the coil, a length measuring device 12 for measuring the length of the coil after straightening, an online induction heating furnace 13 for annealing the coil, a heat preservation and cooling device 14 for cooling the coil after annealing, a tension device 15 for tension drawing the coil, an inkjet drying device 16 for inkjet and drying the coil, a forming device 17 for bending the coil, and a winding and unloading device 18 for winding and unloading the coil. The discharge device 20, the straightening device 11, the length measuring device 12, the online induction heating furnace 13, the heat preservation and cooling device 14, the tension device 15, the inkjet drying device 16, the forming device 17 and the winding and unloading device 18 are linearly arranged in sequence according to the processing procedures.

[0023] The discharge device 20 includes an oil fume collection device 30 and a material frame tray 21. The winding and unloading device 18 is provided with a tube head inflation device 50. The oil fume collection device 30 includes an exhaust unit, a reducer 33 and a drive motor. The material frame tray 21 is used to support a material frame 40. The material frame 40 is used to place a coil 41 to be annealed. The coil 41 to be annealed has a tube head 42 and a tube tail 43. The drive motor is connected to the reducer 33. The reducer 33 is connected to the material frame tray 21. The tube head inflation device 50 is connected to the tube head 42 to fill nitrogen into the coil. The exhaust unit is connected to the tube tail 43 to exhaust air from the coil.

[0024] Among them, the straightening device 11, the length measuring device 12, the heat preservation and cooling device 14, the tension device 15, the inkjet drying device 16, the forming device 17 and the winding and unloading device 18 are prior arts. The detailed structure can refer to the content in the patent named "Internal Threaded Pipe Forming and Receiving Integrated Production Line" (application number 201921942643.2). The online induction heating furnace 13 can use a commonly used annealing furnace. An oil fume collection device 30 is added to the production system. During operation, the pipe head 42 in the material frame passes through the clamping and straightening device 11 and then passes through the length measuring device. Through the straightening conveyor, the copper pipe is sent to the online induction heating furnace 13 for annealing. After annealing, it enters the heat preservation and cooling device 14, the tension device 15, the inkjet drying device 16, and the forming device 17 in turn. Finally, it is rolled and formed into a super-large disc on the wooden tray 19 through the winding and unloading device 18. The pipe head inflation device 50 introduces nitrogen into the pipe head as a protective gas. Nitrogen is continuously blown into the pipe head from the pipe head. , discharged from the tail of the pipe. After the pipe is heated, the oil film on the inner wall of the pipe is vaporized and the oil fume flows to the tail with the nitrogen and is released. If there is no special collection device, the vaporized oil film will be directly discharged into the workshop, which has a greater impact on the workshop environment and brings potential health problems to the production employees. Because the tail of the pipe is connected to the exhaust unit in the present invention, the vaporized oil film is collected by the exhaust unit and then discharged to the outdoors after purification, thereby not causing pollution to the indoor environment and protecting the physical and mental health of the employees.

[0025] like Figure 5 As shown, the reducer 33 has a hollow shaft 34, and a center hole 35 is provided in the hollow shaft 34 along its axial direction. One end of the hollow shaft 34 is connected to the pipe tail 43 through an air connection pipe 38, and the other end is connected to the air extraction unit, and the air connection pipe 38 is connected to the center hole 35. Specifically, the upper end of the hollow shaft 34 is connected to the pipe tail 43 through the air connection pipe 38, and the pipe tail 43 is connected to the center hole 35 in the hollow shaft, and the lower end of the hollow shaft is connected to the air extraction unit.

[0026] like Figure 4-5 As shown, the air extraction unit is an oil fume purifier 31, and an air sliding ring 36 is fixedly installed at the other end of the hollow shaft 34, and an air inlet 37 is provided on the air sliding ring 36. The oil fume purifier 31 is connected to the air inlet 37 through an oil fume suction pipe 32, and the air inlet 37 is connected to the center hole 35. That is, the lower end of the hollow shaft is connected to the oil fume suction pipe 32 through the air sliding ring 36, and the oil fume after the oil film on the inner wall of the coil is gasified passes through the air inlet 38, the center hole 35 of the hollow shaft, the air sliding ring 36, and the oil fume suction pipe 32 from the tail of the pipe and is absorbed by the oil fume purifier 31 in sequence. The oil fume purifier 31 is an outdoor oil fume purifier with an oil fume purification function. The oil fume treated by the oil fume purifier meets the emission standard and is directly discharged outdoors.

[0027] like Figure 6 As shown, the pipe head gas filling device 50 includes a gas joint 51 and a gas rotary joint 53, one end of the gas joint 51 is connected to the pipe head 42, and the other end is connected to the gas rotary joint 53, and the gas rotary joint 53 is connected to an external gas supply unit. The gas joint 51 is installed on the gas joint seat 52, and one end of the gas joint is connected to the pipe head 42 through a copper tube 54, and the other end is connected to the gas rotary joint 53 through a vent pipe 55. The vent pipe 55 can be a rubber hose, and the external gas supply unit can be a main pipeline. Nitrogen flows into the gas rotary joint 53, the vent pipe 55, the gas joint 51, and the copper tube 54 in sequence through the main pipeline and enters the coil, filling the coil with nitrogen for protection. The oil fume after the oil film on the inner wall of the coil is vaporized flows to the tail and is released with the nitrogen, and is absorbed and purified by the oil fume purifier 31 and discharged outdoors.

[0028] The operation process of the present invention is as follows: during operation, the pipe head 42 in the material frame passes through the clamping and straightening device 11 and then passes through the length measuring device. Through the straightening and conveying force, the copper pipe is sent to the online induction heating furnace 13 for annealing. After annealing, it enters the heat preservation and cooling device 14, the tension device 15, the inkjet drying device 16, and the forming device 17 in sequence. Finally, it is rolled and formed into a super large plate on the wooden support 19 through the winding and unloading device 18. During annealing, the pipe head inflation device 50 introduces nitrogen into the pipe head, and the nitrogen flows into the air rotary joint 53, the ventilation joint 53 and the ventilation joint 53 in sequence through the main pipeline. The oil fume in the tube flows to the tube tail 43 along with the nitrogen. The oil fume passes through the air connecting pipe 38, the center hole 35 of the hollow shaft, the air sliding ring 36 and the oil fume suction pipe 32 from the tube tail 43 and is absorbed by the oil fume purifier 31. The oil fume purifier is an outdoor oil fume purifier with an oil fume purification function. The oil fume treated by the oil fume purifier meets the emission standard and is directly discharged outdoors.

[0029] It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A pipe production system with a fume collection function, comprising a discharge device (20) for receiving and releasing a coil to be annealed, a straightening device (11) for straightening the coil, a length measuring device (12) for measuring the length of the coil after straightening, an online induction heating furnace (13) for annealing the coil, a heat preservation cooling device (14) for cooling the annealed coil, a tension device (15) for tension drawing the coil, an inkjet drying device (16) for inkjet and drying the coil, a forming device (17) for bending and forming the coil, and a winding and unloading device (18) for winding and unloading the coil. Features: The unloading device (20) comprises an oil fume collecting device (30) and a material frame tray (21); the winding and unloading device (18) is provided with a tube head gas filling device (50); the oil fume collecting device (30) comprises an exhaust unit, a reducer (33) and a driving motor; the material frame tray (21) is used to support a material frame (40); the material frame (40) is used to place a coiled tube (41) to be annealed; the coiled tube (41) to be annealed has a tube head (42) and a tube tail (43); the driving motor is connected to the reducer (33); the reducer (33) is connected to the material frame tray (21); the tube head gas filling device (50) is connected to the tube head (42) to fill nitrogen into the coiled tube; the exhaust unit is connected to the tube tail (43) to exhaust air from the coiled tube; The reducer (33) has a hollow shaft (34), a center hole (35) is provided in the hollow shaft (34) along its axial direction, one end of the hollow shaft (34) is connected to the pipe tail (43) through an air connection pipe (38), and the other end is connected to the air extraction unit, and the air connection pipe (38) is connected to the center hole (35); The air extraction unit is an oil fume purifier (31); an air sliding ring (36) is fixedly mounted on the other end of the hollow shaft (34); an air intake port (37) is provided on the air sliding ring (36); the oil fume purifier (31) is connected to the air intake port (37) via an oil fume suction pipe (32); and the air intake port (37) is connected to the central hole (35); The pipe head inflation device (50) comprises an air joint (51) and an air rotary joint (53); one end of the air joint (51) is connected to the pipe head (42), and the other end is connected to the air rotary joint (53); and the air rotary joint (53) is connected to an external air supply unit.

2. The pipe production system with oil fume collection function according to claim 1, Features: The gas joint (51) is installed on the gas joint seat (52), and one end of the gas joint is connected to the pipe head (42) through a copper tube (54), and the other end is connected to the gas rotary joint (53) through a ventilation pipe (55).

3. The pipe production system with oil fume collection function according to claim 1, Features: The unloading device (20), the straightening device (11), the length measuring device (12), the online induction heating furnace (13), the heat preservation and cooling device (14), the tension device (15), the inkjet drying device (16), the forming device (17) and the winding and unloading device (18) are linearly arranged in sequence according to the processing steps.

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