CN114345957B - Discharging air cooling device for cold rolling mill and air cooling method - Google Patents
Discharging air cooling device for cold rolling mill and air cooling method Download PDFInfo
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- CN114345957B CN114345957B CN202210274955.0A CN202210274955A CN114345957B CN 114345957 B CN114345957 B CN 114345957B CN 202210274955 A CN202210274955 A CN 202210274955A CN 114345957 B CN114345957 B CN 114345957B
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Abstract
The invention relates to the technical field of cold rolling processing, in particular to a discharging air cooling device and an air cooling method for a cold rolling mill. The device includes the mounting panel, the last fixed surface of mounting panel is connected with the cooling cylinder, two sealed bearing assembly of inner wall fixedly connected with of cooling cylinder, the common fixedly connected with cooling tube of inner wall of two sealed bearing assembly, the last fixed surface of cooling cylinder is connected with air pump and actuating mechanism, the fixed intercommunication of output of air pump has the return bend, the bottom of return bend and the fixed intercommunication of the outer wall of cooling cylinder, the clean mechanism of side outer wall fixedly connected with lubricating oil of cooling tube. According to the invention, the cooling cylinder is used for comprehensively and rapidly cooling the pipe output from the cold-rolling mill, the pipe is prevented from deforming in the transportation process after cold rolling as much as possible, the quality and the qualification rate of the pipe processed by the cold-rolling mill are improved, the lubricating oil on the surface of the cooled pipe is cleaned by the lubricating oil cleaning mechanism, manual operation is not required, the labor intensity of workers is reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of cold rolling processing, in particular to a discharging air cooling device and an air cooling method for a cold rolling mill.
Background
With the rapid development of national economy and the continuous expansion of new technical fields, the application range of cold-rolled pipes is wider and wider, the requirements on the variety quality of the cold-rolled pipes are higher and higher, particularly the development of industries such as aviation, rocket, automobile, shipbuilding and the like, so that the requirements on various precise, thin-wall and high-strength cold-rolled pipes are higher and higher, and the production of the pipes is mainly a cold-rolled pipe machine at present.
Although the cold rolling process is carried out at normal temperature, certain temperature fluctuation is inevitably caused by the extrusion and extension movement between the roller and the pipe, at present, the pipe is easy to generate heat in the cold rolling process in a cold rolling mill, the pipe is easy to deform in the conveying process after cold rolling due to overhigh temperature, the deformation is a very important factor influencing the organization and the performance of the cold rolling pipe, the quality of the pipe processed by the cold rolling mill is influenced, the qualification rate of the pipe processed by the cold rolling mill is also influenced, the existing cooling device of the cold rolling mill is mainly concentrated on a rolling device generated by high temperature, the pipe is cooled while the mechanical cooling is carried out, the cooling effect is poor, and the precision processing of the pipe is not facilitated.
Disclosure of Invention
The invention aims to solve the problem that a pipe is easily deformed due to the influence of cold rolling high temperature in the conveying process after being cold rolled in a cold rolling mill in the prior art, and provides a discharging air cooling device and an air cooling method for the cold rolling mill.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a cold pilger mill is with ejection of compact air cooling device, includes the mounting panel, the last fixed surface of mounting panel is connected with the cooling cylinder, two sealed bearing assembly of the inner wall fixedly connected with of cooling cylinder, two sealed bearing assembly's the common fixedly connected with cooling tube of inner wall, the last fixed surface of cooling cylinder is connected with air pump and actuating mechanism, the fixed intercommunication of output of air pump has the return bend, the bottom of return bend and the fixed intercommunication of the outer wall of cooling cylinder, a plurality of rectangle ventholes have been seted up to the outer wall of cooling tube, the clean mechanism of side outer wall fixedly connected with lubricating oil of cooling tube.
Preferably, actuating mechanism includes the driving motor with cooling cylinder outer wall fixed connection, driving motor's output fixedly connected with gear, gear matched with connect the through-hole has been seted up to the outer wall of cooling cylinder, the fixed cover of side outer wall of cooling tube has connect outer ring gear, outer ring gear and gear intermeshing.
Preferably, the clean mechanism of lubricating oil include with cooling tube side end outer wall fixed connection's U-shaped piece, the fixed first couple that sets up on cooling tube homonymy terminal surface, the round hole has all been seted up to the both sides outer wall of U-shaped piece, and every round hole swing joint has the bull stick, the outer wall fixedly connected with extension rod of bull stick, the end connection of extension rod has clean doctor-bar.
Preferably, the cleaning scraping blade is of an arc-shaped structure and is made of oil-resistant rubber.
Preferably, the pole wall fixedly connected with second couple of extension rod, the second couple passes through reset spring and is connected with first couple.
Preferably, one side of each of the two seal bearing assemblies, which is opposite to the other side, is movably connected with a rubber ring, and the outer walls of the two rubber rings are fixedly connected with the inner wall of the cooling cylinder.
Preferably, the inner wall of the cooling cylinder is fixedly connected with a supporting roller through a rolling bearing.
Preferably, round holes are formed in four corners of the upper surface of the mounting plate, and bolts are movably connected to the hole walls of the round holes.
A discharging air cooling method for a cold rolling mill uses any one of the discharging air cooling devices for the cold rolling mill, and comprises the following steps:
s1: the installation of the air cooling device comprises the following specific processes: the mounting plate is fixed at the output end of the cold pilger mill through bolts, and the pipe is coaxial with the cooling pipe in the cooling cylinder;
s2: the pipe cooling comprises the following specific processes: starting an air pump and a driving motor, wherein the air pump quickly conveys outside air to the middle position of a cooling cylinder through a bent pipe, then high-speed air flow is blown to the surface of a pipe through a rectangular air outlet, the pipe is quickly cooled by flowing air, the driving motor enables a cooling pipe to rotate through a gear and an outer gear ring, the rotating cooling pipe enables the air discharged from the rectangular air outlet to comprehensively cool the surface of the pipe, and meanwhile, the high-speed air flow can also sweep lubricating oil on the surface of the pipe;
s3: the pipe cleaning method comprises the following specific steps: through the cooling tube rotation, it is rotatory to drive the clean mechanism of lubricating oil, and the pipe surface is hugged closely under reset spring's elasticity is tensile to the cleaning doctor-bar, and along with the cooling tube is rotatory, the extension rod is rotatory under the drive of bull stick and U-shaped piece, and rotatory cleaning doctor-bar carries out comprehensive secondary lubricating oil cleanness to the pipe surface after that.
Compared with the prior art, the invention provides a discharging air cooling device for a cold rolling mill, which has the following beneficial effects:
1. the discharging air cooling device for the cold rolling mill is provided with the air pump, the elbow and the driving mechanism, when the pipe is output from the cold rolling mill and needs cooling, the pipe directly enters the cooling pipe in the cooling cylinder, at the moment, the air pump and the driving motor are started, the air pump quickly conveys the outside air to the middle position of the cooling cylinder through the elbow, then high-speed airflow is blown to the surface of the pipe through the rectangular air outlet hole, the flowing air is utilized to quickly cool the pipe, the heat in the pipe is prevented from influencing the conveying safety of the pipe as much as possible, the pipe is prevented from deforming in the conveying process after cold rolling, the driving mechanism enables the cooling pipe to rotate, the rotating cooling pipe enables the air discharged from the rectangular air outlet hole to comprehensively cool the surface of the pipe, the cooling effect and the cooling reliability of the pipe are improved, and the mechanism can comprehensively and quickly cool the pipe output from the cold rolling mill, the cooling effect is excellent, the pipe is prevented from deforming in the transportation process after cold rolling as much as possible, and the quality and the qualification rate of the pipe processed by the cold rolling mill are improved.
2. According to the discharging air cooling device for the cold rolling mill, the lubricating oil cleaning mechanism is arranged, the lubricating oil on the surface of the pipe can be swept by the high-speed air flow for cooling the pipe, the lubricating oil cleaning mechanism can be driven to rotate when the cooling pipe rotates, the rotating lubricating oil cleaning mechanism can be used for cleaning the surface of the pipe comprehensively and secondarily, the lubricating oil does not need to be cleaned manually, time and labor are saved, the discharging air cooling device also has the function of cleaning the lubricating oil on the surface of the pipe, manual operation is not needed, and the labor intensity of workers can be further reduced.
3. The discharging air cooling device for the cold pilger mill adopts an independent structure, is fixedly arranged behind the existing cold pilger mill cold rolling device through bolts when in use, does not influence the normal cold rolling processing operation procedure, and is simple and convenient to install.
Drawings
FIG. 1 is a schematic structural diagram of a discharged air cooling device for a cold rolling mill according to the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1.
In the figure: the device comprises a mounting plate 1, a cooling cylinder 2, a sealing bearing assembly 3, a cooling pipe 4, an air pump 5, a driving mechanism 6, a driving motor 61, a gear 62, a connecting through hole 63, an outer toothed ring 64, a bent pipe 7, a rectangular air outlet 8, a lubricating oil cleaning mechanism 9, a U-shaped block 91, a first hook 92, a rotating rod 93, an extension rod 94, a cleaning scraping blade 95, a second hook 96, a return spring 97, a rubber ring 10, a support roller 11 and a bolt 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
In order to solve the problem that a pipe is easily deformed due to the influence of cold rolling high temperature in the conveying process after cold rolling in a cold rolling mill in the prior art, the invention provides the discharging air cooling device for the cold rolling mill as shown in figure 1.
As shown in fig. 1 and 2, a cold pilger mill is with ejection of compact air cooling device, including mounting panel 1, the last fixed surface of mounting panel 1 is connected with cooling cylinder 2, two sealed bearing assemblies 3 of the inner wall fixedly connected with of cooling cylinder 2, the common fixedly connected with cooling tube 4 of the inner wall of two sealed bearing assemblies 3, the last fixed surface of cooling cylinder 2 is connected with air pump 5 and actuating mechanism 6, the fixed intercommunication of output of air pump 5 has return bend 7, the bottom of return bend 7 and the fixed intercommunication of the outer wall of cooling cylinder 2, a plurality of rectangle ventholes 8 have been seted up to the outer wall of cooling tube 4, the clean mechanism 9 of the side outer wall fixedly connected with lubricating oil of cooling tube 4.
In the actual use process, air is output by the air pump 5, enters the cooling cylinder 2 through the bent pipe 7, enters the cooling pipe 4 through the rectangular air outlet hole 8, and comprehensively and quickly cools the pipe which enters the cooling pipe 4 and is output by the cold-rolling mill, so that the pipe is prevented from deforming in the transportation process after cold rolling, the quality and the qualification rate of the processed pipe of the cold-rolling mill are improved, the discharging air cooling device is further provided with a lubricating oil cleaning mechanism 9, the function of cleaning the lubricating oil on the surface of the pipe can be realized, manual operation is not needed, and the labor intensity of workers can be further reduced.
Example 2
As shown in fig. 1 and fig. 2, on the basis of embodiment 1, preferably, the driving mechanism 6 includes a driving motor 61 fixedly connected to an outer wall of the cooling cylinder 2, an output end of the driving motor 61 is fixedly connected to a gear 62, an outer wall of the cooling cylinder 2 is provided with a connecting through hole 63 matched with the gear 62, an outer toothed ring 64 is fixedly sleeved on an outer wall of a side end of the cooling pipe 4, and the outer toothed ring 64 and the gear 62 are engaged with each other.
In the in-service use process, actuating mechanism 6 makes cooling tube 4 rotatory, and rotatory cooling tube 4 makes the pipe surface cooling that can be comprehensive from the air of 8 exhaust of rectangle ventholes, improves pipe cooling's effect and reliability. The starting air pump 5 and the driving motor 61 are both electrically connected to an external power source through a control switch, and the electrical connection is conventional in the art and is a means of ordinary skill in the art, and therefore, will not be described in detail.
Example 3
On the basis of embodiment 1 or embodiment 2, as shown in fig. 1 and fig. 2, preferably, the lubricating oil cleaning mechanism 9 includes a U-shaped block 91 fixedly connected to an outer wall of a side end of the cooling pipe 4, and a first hook 92 fixedly disposed on an end surface of the cooling pipe 4 on the same side, circular holes are formed in outer walls of two sides of the U-shaped block 91, each circular hole is movably connected with a rotating rod 93, an outer wall of the rotating rod 93 is fixedly connected with an extending rod 94, and an end of the extending rod 94 is connected with a cleaning blade 95.
In the in-service use process, the round hole has all been seted up to the both sides outer wall of U-shaped piece 91, and every round hole swing joint has a bull stick 93, the outer wall fixedly connected with extension rod 94 of bull stick 93, and the end connection of extension rod 94 has cleaning doctor-bar 95, through the swing joint of bull stick 93, extension rod 94, drives cleaning doctor-bar 95 and carries out the clean operation of body to the tubular product of export after cooling from cooling tube 4.
Example 4
On the basis of embodiment 3, it is preferable that the cleaning blade 95 has an arc-shaped structure and is made of oil-resistant rubber.
In the in-service use process, cleaning blade 95 is the arc structure, has increased with the area of contact of the tubular product of export after cooling from cooling tube 4, and cleaning effect is better, and its material is resistant oily rubber, prevents to take place to corrode long service life in the use.
Example 5
On the basis of embodiment 3 or embodiment 4, a second hook 96 is fixedly connected to the wall of the extension rod 94, and the second hook 96 is connected to the first hook 92 through a return spring 97.
In the in-service use process, second couple 96 is connected with first couple 92 through reset spring 97, and reset spring 97's effect makes to have suitable contact force between cleaning doctor-bar 95 and the tubular product of export after cooling from cooling tube 4, has improved cleaning doctor-bar 95's clean effect, and this mechanism makes ejection of compact air cooling device still have the clear function of tubular product surface lubricating oil, need not manual operation, and then can reduce staff's intensity of labour.
Example 6
On the basis of embodiment 1 or embodiment 5, as shown in fig. 1 and fig. 2, preferably, rubber rings 10 are movably connected to opposite sides of the two seal bearing assemblies 3, and outer walls of the two rubber rings 10 are fixedly connected to an inner wall of the cooling cylinder 2.
In use, the rubber ring 10 can assist in sealing the seal bearing assembly 3 and the charge prevents air from escaping from the seal bearing assembly 3.
Example 7
In addition to embodiment 1 or embodiment 6, as shown in fig. 1, it is preferable that a support roller 11 is fixedly connected to the inner wall of the cooling cylinder 2 through a rolling bearing.
In the actual use process, the supporting roller 11 can support the pipe and can ensure the stability of conveying the pipe in the discharging air cooling device.
Example 8
On the basis of embodiment 1 or embodiment 7, as shown in fig. 1, preferably, round holes are formed at four corners of the upper surface of the mounting plate 1, and the hole walls of the round holes are movably connected with bolts 12.
In the in-service use process, the bolt 12 can make things convenient for the mounting panel 1 to fix at the cold pilger mill discharge end, and the ejection of compact air cooling device for the cold pilger mill adopts independent structure, through bolt 12 fixed mounting at current cold pilger mill cold rolling device rear during the use, does not influence normal cold rolling processing operation procedure, and the installation is simple, convenient.
Example 9
The invention provides a discharging air cooling method for a cold rolling mill based on the discharging air cooling device for the cold rolling mill, which comprises the following steps:
s1: the installation of the air cooling device comprises the following specific processes: the mounting plate 1 is fixed at the output end of the cold pilger mill through a bolt 12, and a pipe is coaxial with a cooling pipe in the cooling cylinder 2;
s2: the pipe cooling comprises the following specific processes: starting an air pump 5 and a driving motor 61, wherein the air pump 5 rapidly conveys outside air to the middle position of a cooling cylinder 2 through a bent pipe 7, then high-speed air flow is blown to the surface of a pipe through a rectangular air outlet hole 8, the pipe is rapidly cooled by utilizing flowing air, the driving motor 61 enables a cooling pipe 4 to rotate through a gear 62 and an outer gear ring 64, the rotating cooling pipe 4 enables the air discharged from the rectangular air outlet hole 8 to comprehensively cool the surface of the pipe, and meanwhile, the high-speed air flow can sweep lubricating oil on the surface of the pipe;
s3: the pipe cleaning method comprises the following specific steps: through the cooling tube 4 rotation, it is rotatory to drive the clean mechanism 9 of lubricating oil, and cleaning doctor-blade 95 hugs closely the tubular product surface under reset spring 97's elasticity is tensile, and along with the cooling tube 4 is rotatory, extension rod 94 is rotatory under the drive of bull stick 93 and U-shaped piece 91, and rotatory cleaning doctor-blade 95 carries out comprehensive secondary lubricating oil to the tubular product surface after that and cleans.
According to the invention, the air pump 5 rapidly conveys the outside air to the middle position of the cooling cylinder 2 through the elbow 7, then high-speed air flow is blown to the surface of the pipe through the rectangular air outlet hole 8, the pipe is rapidly cooled by utilizing the flowing air, the heat in the pipe is prevented from influencing the conveying safety of the pipe as much as possible, the pipe is prevented from deforming in the conveying process after cold rolling, the driving motor 61 enables the cooling pipe 4 to rotate through the gear 62 and the outer toothed ring 64, the rotating cooling pipe 4 enables the air discharged from the rectangular air outlet hole 8 to comprehensively cool the surface of the pipe, the cooling effect and reliability of the pipe are improved, and meanwhile, the high-speed air flow can sweep lubricating oil on the surface of the pipe. According to the invention, the lubricating oil cleaning mechanism 9 is driven to rotate when the cooling pipe 4 rotates, the rotating cleaning scraper 95 is used for cleaning the surface of the pipe comprehensively and secondarily, the lubricating oil is not required to be cleaned manually, time and labor are saved, the mechanism can be used for cooling the pipe output from the cold-rolling pipe mill comprehensively and rapidly, the cooling effect is good, the pipe is prevented from deforming in the transportation process after cold rolling as much as possible, the safety of pipe transportation is ensured, the quality and the qualification rate of the pipe processed by the cold-rolling pipe mill are improved, the discharging air cooling device also has the function of cleaning the lubricating oil on the surface of the pipe, manual operation is not required, and the labor intensity of workers can be further reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a cold pilger mill is with ejection of compact air cooling device, includes mounting panel (1), its characterized in that: the upper surface of the mounting plate (1) is fixedly connected with a cooling cylinder (2), the inner wall of the cooling cylinder (2) is fixedly connected with two sealing bearing assemblies (3), the inner walls of the two sealing bearing assemblies (3) are fixedly connected with a cooling pipe (4) together, the upper surface of the cooling cylinder (2) is fixedly connected with an air pump (5) and a driving mechanism (6), the output end of the air pump (5) is fixedly communicated with a bent pipe (7), the bottom end of the bent pipe (7) is fixedly communicated with the outer wall of the cooling cylinder (2), the outer wall of the cooling pipe (4) is provided with a plurality of rectangular air outlet holes (8), the outer wall of the side end of the cooling pipe (4) is fixedly connected with a lubricating oil cleaning mechanism (9), the lubricating oil cleaning mechanism (9) comprises a U-shaped block (91) fixedly connected with the outer wall of the side end of the cooling pipe (4) and a first hook (92) fixedly arranged on the end face of the same side of the cooling pipe (4), round holes are formed in the outer walls of the two sides of the U-shaped block (91), each round hole is movably connected with a rotating rod (93), the outer wall of each rotating rod (93) is fixedly connected with an extending rod (94), and the end part of each extending rod (94) is connected with a cleaning scraping blade (95); the driving mechanism (6) comprises a driving motor (61) fixedly connected with the outer wall of the cooling cylinder (2), the output end of the driving motor (61) is fixedly connected with a gear (62), the outer wall of the cooling cylinder (2) is provided with a connecting through hole (63) matched with the gear (62), the outer wall of the side end of the cooling pipe (4) is fixedly sleeved with an outer toothed ring (64), and the outer toothed ring (64) is meshed with the gear (62).
2. The discharging air cooling device for the cold rolling mill according to claim 1, characterized in that: the cleaning scraping blade (95) is of an arc-shaped structure and is made of oil-resistant rubber.
3. The discharging air cooling device for the cold rolling mill according to claim 1, characterized in that: the pole wall fixedly connected with second couple (96) of extension rod (94), second couple (96) are connected with first couple (92) through reset spring (97).
4. The discharging air cooling device for the cold rolling mill according to claim 1, characterized in that: two equal swing joint in one side that sealed bearing assembly (3) carried on the back has rubber ring (10), two the outer wall of rubber ring (10) all with the inner wall fixed connection of cooling cylinder (2).
5. The discharging air cooling device for the cold rolling mill according to claim 1, characterized in that: the inner wall of the cooling cylinder (2) is fixedly connected with a supporting roller (11) through a rolling bearing.
6. The discharging air cooling device for the cold rolling mill according to claim 3, characterized in that: round holes are formed in four corners of the upper surface of the mounting plate (1), and the hole walls of the round holes are movably connected with bolts (12).
7. The discharging air cooling method for the cold rolling mill is characterized in that the discharging air cooling device for the cold rolling mill is used in the discharging air cooling device of claim 6: the method comprises the following steps:
s1: the installation of the air cooling device comprises the following specific processes: the mounting plate (1) is fixed at the output end of the cold pilger mill through a bolt (12), and the pipe is coaxial with a cooling pipe in the cooling cylinder (2);
s2: the pipe cooling comprises the following specific processes: starting an air pump (5) and a driving motor (61), wherein the air pump (5) rapidly conveys outside air to the middle position of a cooling cylinder (2) through a bent pipe (7), then high-speed air flow is blown to the surface of a pipe through a rectangular air outlet hole (8), the pipe is rapidly cooled by utilizing flowing air, the driving motor (61) enables a cooling pipe (4) to rotate through a gear (62) and an outer gear ring (64), the rotating cooling pipe (4) enables the air discharged from the rectangular air outlet hole (8) to comprehensively cool the surface of the pipe, and meanwhile, the high-speed air flow can sweep lubricating oil on the surface of the pipe;
s3: the pipe cleaning method comprises the following specific steps: it is rotatory through cooling tube (4), drive the clean mechanism of lubricating oil (9), clean doctor-bar (95) hug closely the tubular product surface under the elasticity of reset spring (97) is tensile, along with cooling tube (4) are rotatory, extension rod (94) are rotatory under the drive of bull stick (93) and U-shaped piece (91), and rotatory clean doctor-bar (95) carry out comprehensive secondary lubricating oil cleanness to the tubular product surface afterwards.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114700378A (en) * | 2022-06-06 | 2022-07-05 | 中国重型机械研究院股份公司 | Pipe body pretreatment device and method before cold rolling of pipe of cold rolling mill |
| CN116532495B (en) * | 2023-05-25 | 2023-11-07 | 松阳县永欣机械制造有限公司 | Pipe blank anti-collision control device and cold pilger mill |
| CN116618432B (en) * | 2023-07-26 | 2023-11-17 | 中国重型机械研究院股份公司 | Aluminum alloy plate strip rolling processing equipment |
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