CN218395367U - Automatic centering device of uncoiler of withdrawal straightening unit - Google Patents
Automatic centering device of uncoiler of withdrawal straightening unit Download PDFInfo
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- CN218395367U CN218395367U CN202222869217.9U CN202222869217U CN218395367U CN 218395367 U CN218395367 U CN 218395367U CN 202222869217 U CN202222869217 U CN 202222869217U CN 218395367 U CN218395367 U CN 218395367U
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- straightening
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Abstract
The utility model relates to an appurtenance is used in steel band processing specifically is draw and rectify unit decoiler automatic centering device. The device comprises a rack of a tension and straightening unit uncoiler and is characterized in that an infrared light source is arranged at the bottom of the rack between a floating roller and a guide roller of the tension and straightening unit uncoiler, a moving device is arranged on the rack above the infrared light source and is in adaptive connection with a controller of the tension and straightening unit uncoiler, two infrared probes are symmetrically arranged on the moving device, detection ports of the infrared probes face the infrared light source, the heights of the infrared probes are higher than those of the guide roller, and the infrared probes are connected with the controller of the tension and straightening unit uncoiler through wires; the symmetry lines of the two infrared probes coincide with the central line of the uncoiler of the straightening and withdrawal unit, the mobile device is started, and the two infrared probes move in the opposite direction or in the back direction. The centering device has high precision and efficiency.
Description
Technical Field
The utility model relates to an appurtenance is used in steel band processing, automatic control steel band is in drawing straightening unit decoiler automatic centering device that draws straightening unit center operation specifically says so.
Background
It is known in the steel strip processing industry that steel strips need to be subjected to straightening and withdrawal treatment by a straightening and withdrawal unit in the production process. The withdrawal and straightening unit generally comprises an uncoiler, a withdrawal and straightening machine and a coiling machine. When the steel coil is uncoiled, the steel strip is connected with a floating roll of an uncoiler of a straightening and withdrawal unit; and then, one end of the drawn steel strip passes through a guide roller of an uncoiler of the straightening and withdrawal unit, and then enters a subsequent procedure, the floating roller is rotated, and meanwhile, the steel strip can be uncoiled by pulling in the subsequent procedure. In order to ensure the subsequent processing precision, the steel strip needs to be aligned with the center of a straightening and withdrawal unit during uncoiling, namely the horizontal position of the floating roll is adjusted, so that the center of the steel strip is superposed with the center of the guide roll.
At present, the centering treatment is carried out in the industry by adopting a manual centering mode. Namely, a worker observes the relative position of the steel strip and the guide roll and adjusts the position of the floating roll through a controller of an uncoiler of a straightening and pulling unit by experience to realize centering. The mode is observed by human eyes, and the centering precision is low. Moreover, manual observation and adjustment often need multiple times of adjustment, and the working efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a draw and rectify unit decoiler automatic centering device, adopt this centering device's precision and efficiency all higher.
In order to solve the problems, the following technical scheme is provided:
the utility model discloses a draw and rectify unit decoiler automatic centering device includes the frame of drawing and rectify unit decoiler, and its characteristics are there is the infrared light source drawing and rectify unit decoiler frame bottom between floating roll and the guide roll, have the mobile device in the frame of infrared light source top, the mobile device with draw and rectify unit decoiler's controller adaptation connection, the symmetry is provided with two infrared probe on the mobile device, infrared probe's detection mouth all faces infrared light source, and infrared probe's height all is higher than the height of guide roll, infrared probe all links to each other with the controller of drawing and rectify unit decoiler through the wire; the symmetry lines of the two infrared probes coincide with the central line of the uncoiler of the straightening and withdrawal unit, the mobile device is started, and the two infrared probes move in the opposite direction or in the back direction.
The moving device comprises a supporting plate fixed on the rack, a guide rail horizontally arranged is arranged on one side of the supporting plate and penetrates through an inlet of an uncoiler of the whole straightening and withdrawal unit, two sliding blocks are arranged on the guide rail, and the infrared probes are respectively fixed on the two sliding blocks in a one-to-one correspondence manner; the support plates at the two ends of the guide rail are respectively provided with a rotating shaft seat, a screw rod is horizontally arranged between the two rotating shaft seats, the sliding blocks are respectively provided with a threaded hole, the screw rods respectively penetrate through the threaded holes of the two sliding blocks, the thread turning directions of the two sections of screw rods corresponding to the two sliding blocks are opposite, so that the screw rods can rotate, and the two infrared probes move in the opposite direction or in the back direction; there is servo motor in the backup pad, and the one end of lead screw links to each other with servo motor's output shaft, and servo motor passes through the wire and links to each other with the controller of straightening and withdrawal unit decoiler.
The middle part of slider has the dog, and the dog has the hole of stepping down, and the lead screw runs through this hole of stepping down, and the lead screw is the normal running form cooperation with the hole of stepping down, and two sliders are located the dog both sides respectively, and the screw thread of the lead screw of dog both sides is revolved to opposite.
By adopting the scheme, the method has the following advantages:
because the utility model discloses a there is the mobile device in the frame of the infrared light source top of straightening and withdrawal unit decoiler automatic centering device, the mobile device with the controller adaptation connection of straightening and withdrawal unit decoiler, the last symmetry of mobile device is provided with two infrared probe, infrared probe's detection mouth all faces infrared light source, and infrared probe's height all is higher than the height of guide roll, two infrared probe's symmetry line and the coincidence of straightening and withdrawal unit decoiler central line. The position of the steel belt is detected through two infrared probes, then the position of the floating roller of the uncoiler is automatically controlled, and automatic centering can be achieved.
Drawings
Fig. 1 is a schematic structural diagram of an automatic centering device of an uncoiler of a withdrawal and straightening unit of the present invention;
figure 2 is the working principle diagram of the automatic centering device of the uncoiler of the withdrawal and straightening unit of the utility model.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the automatic centering device of the tension leveler uncoiler of the present invention comprises a frame 1 of the tension leveler uncoiler, an infrared light source 9 is arranged at the bottom of the frame 1 between a floating roll 10 and a guide roll 12 of the tension leveler uncoiler, a moving device is arranged on the frame 1 above the infrared light source 9, the moving device is in adaptive connection with a controller of the tension leveler uncoiler, two infrared probes 8 are symmetrically arranged on the moving device, detection ports of the infrared probes 8 all face the infrared light source 9, the heights of the infrared probes 8 are all higher than the height of the guide roll 12, and the infrared probes 8 are all connected with the controller of the tension leveler uncoiler through wires; the symmetry lines of the two infrared probes 8 coincide with the central line of the uncoiler of the straightening and withdrawal unit, the moving device is started, and the two infrared probes 8 move in the opposite direction or in the back direction.
The moving device comprises a supporting plate 3 fixed on the rack 1, a guide rail 4 horizontally arranged is arranged on one side of the supporting plate 3, the guide rail 4 penetrates through the inlet of the uncoiler of the whole straightening and withdrawal unit, two sliding blocks 7 are arranged on the guide rail 4, and the infrared probes 8 are respectively fixed on the two sliding blocks 7 in a one-to-one correspondence manner. The support plates 3 at two ends of the guide rail 4 are respectively provided with a rotating shaft seat, a screw rod 6 horizontally arranged is arranged between the two rotating shaft seats, each sliding block 7 is provided with a threaded hole, the screw rods 6 respectively penetrate through the threaded holes of the two sliding blocks 7, the thread turning directions of the two sections of screw rods 6 corresponding to the two sliding blocks 7 are opposite, so that the screw rods 6 can rotate, and the two infrared probes 8 move oppositely or reversely; there is servo motor 2 on the backup pad 3, and the one end of lead screw 6 links to each other with servo motor 2's output shaft, and servo motor 2 links to each other with the controller of straightening and withdrawal unit decoiler through the wire.
In order to guarantee the precision there is dog 5 at the middle part of slider 7, and dog 5 has the hole of stepping down, and lead screw 6 runs through this hole of stepping down, and lead screw 6 is the normal running form cooperation with the hole of stepping down, and two sliders 7 are located dog 5 both sides respectively, and the screw thread of the lead screw 6 of dog 5 both sides is to opposite soon.
In this embodiment, the frequency of the infrared light source 9 is 3000 hz, which is a high frequency, and the wavelength of light is 1.68-2.35 times of the wavelength of invisible light, so as to prevent interference and avoid the influence of daily visible light.
As shown in fig. 2, the adjustment process is divided into three cases:
firstly, two sides of a steel belt 11 all extend out of two infrared probes 8, a controller of an uncoiler firstly controls a servo motor 2 to rotate positively, the two infrared probes 8 move in a back-to-back mode synchronously, when one of the two infrared probes 8 detects the edge of the steel belt 11, the controller controls a floating roller 10 to move towards one side far away from the probes, meanwhile, the two infrared probes 8 continue to move in a back-to-back mode until the two sides of the steel belt 11 are just detected and monitored, the two infrared probes 8 and the floating roller 10 stop running, and automatic centering is completed.
Secondly, the servo motor 2 is controlled to be in the reverse direction and the positive direction firstly by the steel belt 11 in the two probes, the two infrared probes 8 move synchronously and in the same direction, when one infrared probe 8 detects one side of the steel belt 11, the floating roller 10 is controlled to move towards one side far away from the probe by the controller, meanwhile, the two infrared probes 8 continue to move in the back direction until the two sides of the steel belt 11 are just detected, the two infrared probes 8 and the floating roller 10 stop running, and automatic centering is completed.
Thirdly, one infrared probe 8 is covered by the steel belt 11, the other infrared probe 8 is positioned outside the steel belt 11, the floating roller 10 is controlled to move towards the side of the two uncovered infrared probes 8, at the moment, if the distance between the two infrared probes 8 is larger than the width of the steel belt 11, the second condition is entered, and if the distance between the two infrared probes 8 is smaller than the width of the steel belt 11, the first condition is entered.
Adopt the utility model discloses a draw and rectify unit decoiler automatic centering device can guarantee to open a book 11 automation of steel band to the center and the straight nothing skew of unit, for drawing and rectify unit version control provides reliable guarantee. Meanwhile, the device is high in speed, good in flatness, high in stability, wide in adjustment range, convenient to operate, low in labor intensity, capable of effectively improving production efficiency, and low in investment. Moreover, the device has the advantages of good anti-interference effect, good centering stability, full automation of the centering process, no need of manual control, high response speed and high centering precision, and the center deviation of the steel strip 11 is less than or equal to 0.1mm.
Claims (3)
1. The automatic centering device for the uncoiler of the straightening and pulling unit comprises a rack (1) of the uncoiler of the straightening and pulling unit, and is characterized in that an infrared light source (9) is arranged at the bottom of the rack (1) between a floating roller (10) and a guide roller (12) of the uncoiler of the straightening and pulling unit, a moving device is arranged on the rack (1) above the infrared light source (9), the moving device is in adaptive connection with a controller of the uncoiler of the straightening and pulling unit, two infrared probes (8) are symmetrically arranged on the moving device, detection ports of the infrared probes (8) face the infrared light source (9), the heights of the infrared probes (8) are higher than those of the guide roller (12), and the infrared probes (8) are connected with the controller of the uncoiler of the straightening and pulling unit through leads; the symmetry lines of the two infrared probes (8) are superposed with the central line of the uncoiler of the straightening and withdrawal unit, the moving device is started, and the two infrared probes (8) move in the opposite direction or in the back direction.
2. The automatic centering device of the uncoiler of the withdrawal and straightening unit according to claim 1, characterized in that the moving device comprises a support plate (3) fixed on the frame (1), one side of the support plate (3) is provided with a horizontally arranged guide rail (4), the guide rail (4) penetrates through the inlet of the uncoiler of the withdrawal and straightening unit, the guide rail (4) is provided with two sliding blocks (7), and the infrared probes (8) are respectively fixed on the two sliding blocks (7) in a one-to-one correspondence manner; rotating shaft seats are arranged on the supporting plates (3) at two ends of the guide rail (4), a lead screw (6) is horizontally arranged between the two rotating shaft seats, threaded holes are formed in the sliding blocks (7), the lead screw (6) respectively penetrates through the threaded holes of the two sliding blocks (7), the thread turning directions of the two sections of lead screws (6) corresponding to the two sliding blocks (7) are opposite, so that the lead screws (6) can rotate, and the two infrared probes (8) move in the opposite direction or in the back direction; there are servo motor (2) on backup pad (3), and the one end of lead screw (6) links to each other with the output shaft of servo motor (2), and servo motor (2) link to each other with the controller of straightening and withdrawal unit decoiler through the wire.
3. The automatic centering device of the withdrawal and straightening unit uncoiler according to claim 2, characterized in that a stop (5) is arranged in the middle of the slide block (7), the stop (5) is provided with a yielding hole, the screw rod (6) penetrates through the yielding hole, the screw rod (6) is rotatably matched with the yielding hole, the two slide blocks (7) are respectively arranged on two sides of the stop (5), and the screw threads of the screw rod (6) on the two sides of the stop (5) are in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222869217.9U CN218395367U (en) | 2022-10-31 | 2022-10-31 | Automatic centering device of uncoiler of withdrawal straightening unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222869217.9U CN218395367U (en) | 2022-10-31 | 2022-10-31 | Automatic centering device of uncoiler of withdrawal straightening unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218395367U true CN218395367U (en) | 2023-01-31 |
Family
ID=85005661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222869217.9U Active CN218395367U (en) | 2022-10-31 | 2022-10-31 | Automatic centering device of uncoiler of withdrawal straightening unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218395367U (en) |
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2022
- 2022-10-31 CN CN202222869217.9U patent/CN218395367U/en active Active
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