CN218252159U - Roll gap online adjustable roller machine - Google Patents
Roll gap online adjustable roller machine Download PDFInfo
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- CN218252159U CN218252159U CN202221816381.7U CN202221816381U CN218252159U CN 218252159 U CN218252159 U CN 218252159U CN 202221816381 U CN202221816381 U CN 202221816381U CN 218252159 U CN218252159 U CN 218252159U
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- 238000005070 sampling Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
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- 229910000831 Steel Inorganic materials 0.000 description 3
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Abstract
The application discloses a roll machine with an online adjustable roll gap, which comprises a roll line mechanism and a roll gap adjusting mechanism, wherein the roll line mechanism comprises a roll box and a pair of roll shafts arranged on the roll box side by side, the peripheries of the roll shafts are fixedly connected with eccentric sleeves, and one end of each eccentric sleeve, which faces away from the roll shafts, is provided with a gear tooth; the roll gap adjusting mechanism comprises a roll gap adjusting assembly and a driving assembly, wherein the roll gap adjusting assembly is installed on the roll box and is in meshing transmission with the two groups of gear teeth on the pair of eccentric sleeves, the driving assembly provides power for the roll gap adjusting assembly, and the roll gap adjusting assembly drives the pair of eccentric sleeves to rotate in opposite directions to open so as to reduce the roll gap between the pair of roll shafts or rotate in opposite directions to close so as to reduce the roll gap between the pair of roll shafts. So design, can realize the automated adjustment of roll gap under the condition that the roller does not shut down, improve production efficiency, also can ensure that the thickness of output wire rod improves the processingquality of wire rod in a invariable within range.
Description
Technical Field
The application relates to the technical field of metal processing, in particular to a roller machine with an online adjustable roll gap.
Background
In the use process of the existing steel wire pressing machine, along with the abrasion of the rollers in the use process, the roller gap width between the two rollers needs to be adjusted in real time so as to ensure that the wire diameter of the output steel wire is within a constant value, and in addition, the production specification can be temporarily changed when the steel wire is produced.
When the above conditions are met, the production line is usually required to be stopped, and the width of the roll gap between the two rollers is manually adjusted, so that the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the application is to overcome the defect that the mode of manually adjusting the roll gap between two rolls influences the production efficiency in the prior art, so that the roll machine with the online adjustable roll gap and the online adjusting method of the roll gap are provided.
In order to solve the technical problem, the technical scheme of the application is as follows:
an on-line roll gap adjustable roll machine comprising:
the line rolling mechanism comprises a roller box and a pair of roller shafts arranged on the roller box side by side, the peripheries of the roller shafts are fixedly connected with eccentric sleeves, and one end of each eccentric sleeve, which faces away from the roller shafts, is provided with gear teeth;
the roll gap adjusting mechanism comprises a roll gap adjusting assembly and a driving assembly, wherein the roll gap adjusting assembly is arranged on the roll box and is in meshing transmission with the two groups of gear teeth on the eccentric sleeves, the driving assembly is used for providing power for the roll gap adjusting assembly, the roll gap adjusting assembly is driven by the driving assembly to drive the eccentric sleeves to rotate and open in opposite directions so as to reduce the roll gap between the roll shafts or rotate and close in opposite directions so as to reduce the roll gap between the roll shafts.
Further, the roll gap adjusting assembly comprises a bidirectional screw rod installed on the roll box, a first moving part in threaded connection with a left-handed thread of the bidirectional screw rod, and a second moving part in threaded connection with a right-handed thread of the bidirectional screw rod; the first moving machine part is in meshing transmission with the gear teeth on one of the eccentric sleeves, and the second moving machine part is in meshing transmission with the gear teeth on the other eccentric sleeve; the first moving machine part and the second moving machine part approach each other along the axial direction of the bidirectional screw rod along with the rotation of the bidirectional screw rod to drive the pair of eccentric sleeves to rotate and open in opposite directions, or to move away from each other along the axial direction of the bidirectional screw rod to drive the pair of eccentric sleeves to rotate and close in opposite directions.
Further, the first moving machine part and the second moving machine part are nut racks which are sleeved on the periphery of the bidirectional screw rod in a threaded mode, and the nut racks are provided with linear teeth meshed with the gear teeth of the eccentric sleeve.
Furthermore, one side of roller case is connected with the awl case, drive assembly is including installing servo motor on the awl case, servo motor's output pass through the gear drive structure with two-way lead screw transmission is connected.
The wire diameter detection device is used for detecting the thickness of the output wire passing through the space between the pair of roll shafts in real time, and the controller is electrically connected with the wire diameter detection device; the controller responds to a wire thickness signal sent by the wire diameter detection device to control the rotation direction of the output shaft of the servo motor.
Further, the controller is a PID controller.
Further, the line diameter detection device is a diameter measuring instrument, and the sampling speed of the diameter measuring instrument is greater than 3Hz.
This application technical scheme has following advantage:
1. according to the roll machine with the online adjustable roll gap, when the roll gap between a pair of roll shafts needs to be adjusted, the driving assembly is started to drive the roll gap adjusting assembly to move, and the roll gap adjusting assembly drives the pair of eccentric sleeves to rotate towards the opposite direction or the opposite direction through the meshing transmission effect of the two groups of gear teeth on the pair of eccentric sleeves; when the pair of eccentric sleeves rotate in opposite directions, the pair of roll shafts are close to each other, so that the size of a roll gap is reduced; when a pair of eccentric cover rotated to the opposite direction, a pair of roll axle was kept away from each other to the size of roll gap is increaseed, so realize the automated conditioning of roll gap size, this kind of roll gap automatic regulating mode adopts artifical manual regulation to compare with the mode of roll gap size between a pair of roll axle among the prior art when the roller machine shut down, can realize the automated conditioning of roll gap under the condition that the roller machine does not shut down, has improved production efficiency greatly.
2. According to the roller machine with the online adjustable roller gap, the first moving machine part is in threaded connection with the left-handed thread of the bidirectional screw rod, the second moving machine part is in threaded connection with the right-handed thread of the bidirectional screw rod, and the first moving machine part and the second moving machine part are respectively in meshing transmission with the gear teeth on the two eccentric sleeves.
3. The application provides an online adjustable roller machine of roll gap, adopt the thickness size of the output wire rod of line footpath detection device real-time detection process between a pair of roll shafts, the mode of the rotation direction and the rotation stroke size of the wire rod thickness size signal control servo motor output shaft that the controller sent according to line footpath detection device, can carry out real-time supervision and real-time adjustment roll gap's size to the thickness of output wire rod in the roller machine production process, the thickness that is favorable to ensureing the output wire rod is in a invariable within range, improve the processingquality of wire rod.
4. According to the roll machine with the online adjustable roll gap, the wire thickness signals of the output wires on the outlet sides of the pair of roll shafts are collected in real time, whether the signal values indicated by the wire thickness signals exceed the preset range value is judged, if the signal values are judged to be larger than the preset range value, a control instruction for controlling the servo motor to start is output, and the servo motor responds to the control instruction to drive the roll gap adjusting assembly to move so as to adjust the roll gap between the pair of roll shafts; the online adjusting method of the roll gap can realize the automatic adjustment of the roll gap under the condition that a roll machine does not stop, greatly improve the production efficiency, also be beneficial to ensuring the thickness of the output wire to be within a constant range and improve the processing quality of the wire.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings used in the detailed description or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a roller machine with an online adjustable roll gap in the embodiment of the application when a pair of eccentric sleeves are in a rotating opening state;
FIG. 2 is a schematic structural diagram of a roller machine with an online adjustable roll gap in the embodiment of the application when a pair of eccentric sleeves are in a rotating and folding state.
Description of the reference numerals: 1. a roller box; 2. a roll shaft; 3. an eccentric sleeve; 4. gear teeth; 5. a bidirectional screw rod; 6. A first moving member; 7. a second moving part; 8. a cone box; 9. a servo motor; 10. a gear transmission structure.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of 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 application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.
In addition, the technical features mentioned in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.
The roll machine with the online adjustable roll gap shown in the figures 1-2 comprises a rolling line mechanism and a roll gap adjusting mechanism; wherein, the line mechanism of rolling includes roller box 1 and installs and be a pair of roll axle 2 that arranges side by side on roller box 1, and the equal fixedly connected with eccentric cover 3 in the periphery of a pair of roll axle 2, the one end of every eccentric cover 3 back to roll axle 2 all is equipped with teeth of a cogwheel 4. The roll gap adjusting mechanism comprises a roll gap adjusting assembly arranged on the roll box 1 and a driving assembly for providing power for the roll gap adjusting assembly; the roll gap adjusting assembly is in meshed transmission with the two groups of gear teeth 4 on the pair of eccentric sleeves 3, and the roll gap adjusting assembly drives the pair of eccentric sleeves 3 to rotate towards opposite directions to open so as to reduce the roll gap between the pair of roll shafts 2 or rotate towards opposite directions to close so as to reduce the roll gap between the pair of roll shafts 2.
When the size of a roll gap between the pair of roll shafts 2 needs to be adjusted, the driving assembly is started to drive the roll gap adjusting assembly to move, and the roll gap adjusting assembly drives the pair of eccentric sleeves 3 to rotate towards the opposite direction or the opposite direction through the meshing transmission effect of the roll gap adjusting assembly and the two groups of gear teeth 4 on the pair of eccentric sleeves 3; when the pair of eccentric sleeves 3 rotate in opposite directions, the pair of roll shafts 2 approach each other, so that the size of a roll gap is adjusted to be small; when the pair of eccentric sleeves 3 rotate towards opposite directions, the pair of roll shafts 2 are far away from each other, so that the size of a roll gap is increased; thus, the automatic adjustment of the roll gap size is realized. Compared with the mode of manually adjusting the size of the roll gap between the pair of roll shafts 2 when the roll machine is stopped in the prior art, the roll gap automatic adjusting mode can realize the automatic adjustment of the roll gap under the condition that the roll machine is not stopped, and greatly improves the production efficiency.
In a specific embodiment of the present embodiment, the roll gap adjusting assembly includes a bidirectional screw 5 mounted on the roll housing 1, a first moving member 6 threadedly coupled to a left-hand thread of the bidirectional screw 5, and a second moving member 7 threadedly coupled to a right-hand thread of the bidirectional screw 5; the first moving part 6 is in meshing transmission with the gear teeth 4 on one eccentric sleeve 3, and the second moving part 7 is in meshing transmission with the gear teeth 4 on the other eccentric sleeve 3; the first moving part 6 and the second moving part 7 approach each other along the axial direction of the bidirectional screw 5 with the rotation of the bidirectional screw 5 to drive the pair of eccentric sleeves 3 to rotate and open in opposite directions, or to drive the pair of eccentric sleeves 3 to rotate and close in opposite directions along the axial direction of the bidirectional screw 5. Specifically, two ends of a bidirectional screw rod 5 are rotatably connected to two opposite side walls of a roller box 1 through bearings, a first moving part 6 and a second moving part 7 are nut racks which are sleeved on the periphery of the bidirectional screw rod 5 in a threaded manner, the nut racks do linear motion along the axial direction of the bidirectional screw rod 5 along with the rotation of the bidirectional screw rod 5, the nut racks are provided with linear teeth meshed with gear teeth 4 of an eccentric sleeve 3, and the gear teeth 4 on the eccentric sleeve 3 are integrally arc-shaped. So set up, can realize that a two-way lead screw 5 drives two eccentric sleeves 3 synchronous rotations, have simple structure, transmission precision height, advantage that compact structure nature is good. In other alternative embodiments, the roll gap adjusting assembly may further include two independent lead screws, the two lead screws have different thread directions, a nut and a rack in threaded transmission with the eccentric sleeve 3 are provided on each lead screw, each lead screw is driven to rotate by an independent servo motor 9, and the two eccentric sleeves 3 may be driven to rotate by two independent sets of servo motors 9.
In a specific implementation manner of this embodiment, one side of the roller box 1 is connected with a cone box 8, the driving assembly includes a servo motor 9 installed on the cone box 8, and an output end of the servo motor 9 is in transmission connection with the bidirectional screw rod 5 through a gear transmission structure 10. Specifically, the gear transmission structure 10 includes a driving gear and a driven gear which are engaged with each other, the driving gear is connected with the output end of the servo motor 9, and the driven gear is fixedly connected with the bidirectional screw rod 5.
In a specific implementation manner of this embodiment, the roller machine further includes a wire diameter detection device and a controller; the wire diameter detection device is arranged on the output side between the pair of roll shafts 2 and is used for detecting the thickness of an output wire passing through the space between the pair of roll shafts 2 in real time; the controller is arranged on the servo motor 9 and is electrically connected with the wire diameter detection device, and the controller responds to a wire thickness signal sent by the wire diameter detection device to control the rotation direction and the rotation stroke of the output shaft of the servo motor 9. For example, when the wire diameter detection device detects that the thickness of the output wire is smaller than the minimum value of the preset range value, the controller controls the servo motor 9 to rotate clockwise until the thickness of the output wire is detected to be within the preset range value; when the wire diameter detection device detects that the thickness of the output wire rod is larger than the maximum value of the preset range value, the controller controls the servo motor 9 to rotate along the anticlockwise direction until the thickness of the output wire rod is detected to be within the preset range value. The wire diameter detection device is adopted to detect the thickness of the output wire passing through the space between the pair of roll shafts 2 in real time, and the controller controls the rotating direction and the rotating stroke of the output shaft of the servo motor 9 according to a wire thickness signal sent by the wire diameter detection device, so that the thickness of the output wire can be monitored in real time in the production process of the roller machine, the size of a roll gap can be adjusted in real time, the thickness of the output wire is favorably ensured within a constant range, and the processing quality of the wire is improved.
Specifically, the controller is a PID controller, the line diameter detection device is a diameter measuring instrument, the sampling speed of the diameter measuring instrument is higher than 3Hz, the sampling frequency and the control precision can be improved by the controller and the diameter measuring instrument with the sampling frequency, and the precision control effect of the thickness of the output wire rod is favorably improved.
The online adjusting method of the roller machine with the online adjustable roll gap comprises the following steps:
s10, collecting wire thickness signals of output wires at the outlet sides of the pair of roll shafts 2 in real time;
s20, judging whether a signal value indicated by the wire thickness signal exceeds a preset range value or not;
and S30, if the judgment result is yes, outputting a control instruction for controlling the servo motor 9 to start, and enabling the servo motor 9 to respond to the control instruction to drive the roll gap adjusting assembly to move so as to adjust the roll gap between the pair of roll shafts 2.
Further, in the step of S30:
if the judgment result is yes, and the signal value indicated by the wire thickness signal is smaller than the minimum value of the preset range value, outputting a first control instruction for controlling the servo motor 9 to rotate along the clockwise direction, and driving the roll gap adjusting assembly to move by the servo motor 9 in response to the first control instruction so as to increase the size of the roll gap between the pair of roll shafts 2;
if the judgment result is yes, and the signal value indicated by the wire thickness signal is greater than the maximum value of the preset range value, outputting a second control instruction for controlling the servo motor 9 to rotate along the counterclockwise direction; the servo motor 9 drives the roll gap adjusting assembly to move in response to the second control command to adjust the size of the roll gap between the pair of roll shafts 2 small.
Further, in the step of acquiring the wire thickness signals of the output wires at the outlet sides of the pair of roll shafts 2 in real time, the wire thickness of the current output wires at the outlet sides of the pair of roll shafts 2 is acquired in real time by using a diameter measuring instrument, and the sampling speed of the diameter measuring instrument is higher than 3Hz.
The online roll gap adjusting method comprises the steps of acquiring a wire thickness signal of an output wire at the outlet side of a pair of roll shafts 2 in real time, judging whether a signal value indicated by the wire thickness signal exceeds a preset range value, if so, outputting a control instruction for controlling a servo motor 9 to start, and enabling the servo motor 9 to respond to the control instruction to drive a roll gap adjusting assembly to move so as to adjust the roll gap between the pair of roll shafts 2; the online adjusting method of the roll gap can realize the automatic adjustment of the roll gap under the condition that a roll machine does not stop, greatly improves the production efficiency, is also beneficial to ensuring the thickness of an output wire to be within a constant range, and improves the processing quality of the wire.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications of this invention are intended to be covered by the scope of the invention as expressed herein.
Claims (7)
1. A roll machine with an online adjustable roll gap is characterized by comprising:
the line rolling mechanism comprises a roller box (1) and a pair of roller shafts (2) which are arranged on the roller box (1) side by side, wherein the peripheries of the roller shafts (2) are fixedly connected with eccentric sleeves (3), and one end of each eccentric sleeve (3) back to the roller shaft (2) is provided with gear teeth (4);
the roll gap adjusting mechanism comprises a roll box (1), two groups of gear teeth (4) on the eccentric sleeve (3) are meshed with the driven roll gap adjusting assembly and a driving assembly, the roll gap adjusting assembly provides power, the drive assembly drives the eccentric sleeve (3) to rotate in the opposite directions to open in order to reduce the roll gap between the roll shafts (2) or rotate in the opposite directions to close in order to reduce the roll gap between the roll shafts (2).
2. A roller machine with online adjustable roller gap according to claim 1, characterized in that the roller gap adjusting assembly comprises a bidirectional screw (5) mounted on the roller box (1), a first moving machine member (6) screwed on the left-hand thread of the bidirectional screw (5), and a second moving machine member (7) screwed on the right-hand thread of the bidirectional screw (5); the first moving part (6) is in meshing transmission with the gear teeth (4) on one of the eccentric sleeves (3), and the second moving part (7) is in meshing transmission with the gear teeth (4) on the other eccentric sleeve (3); the first moving part (6) and the second moving part (7) approach each other along the axial direction of the bidirectional screw rod (5) along with the rotation of the bidirectional screw rod (5) to drive the pair of eccentric sleeves (3) to rotate and open in opposite directions, or to drive the pair of eccentric sleeves (3) to rotate and close in opposite directions along the axial direction of the bidirectional screw rod (5).
3. A roller machine with online adjustable roller gap according to claim 2, characterized in that the first moving part (6) and the second moving part (7) are nut racks which are threaded on the periphery of the bidirectional screw rod (5) and are provided with linear teeth which are meshed with the gear teeth (4) of the eccentric sleeve (3).
4. The roll machine with the online adjustable roll gap according to claim 2, characterized in that a conical box (8) is connected to one side of the roll box (1), the driving assembly comprises a servo motor (9) installed on the conical box (8), and the output end of the servo motor (9) is in transmission connection with the bidirectional screw rod (5) through a gear transmission structure (10).
5. A roller machine with an online adjustable roller gap according to claim 4, characterized by further comprising a wire diameter detection device for detecting the thickness of the output wire passing between a pair of roller shafts (2) in real time and a controller electrically connected with the wire diameter detection device; the controller responds to a wire thickness signal sent by the wire diameter detection device to control the rotation direction of the output shaft of the servo motor (9).
6. A roller machine with an online adjustable roller gap according to claim 5, characterized in that the controller is a PID controller.
7. The roll machine with the online adjustable roll gap according to claim 5, wherein the line diameter detection device is a diameter gauge, and the sampling speed of the diameter gauge is greater than 3Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221816381.7U CN218252159U (en) | 2022-07-13 | 2022-07-13 | Roll gap online adjustable roller machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221816381.7U CN218252159U (en) | 2022-07-13 | 2022-07-13 | Roll gap online adjustable roller machine |
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| Publication Number | Publication Date |
|---|---|
| CN218252159U true CN218252159U (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221816381.7U Active CN218252159U (en) | 2022-07-13 | 2022-07-13 | Roll gap online adjustable roller machine |
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| CN (1) | CN218252159U (en) |
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2022
- 2022-07-13 CN CN202221816381.7U patent/CN218252159U/en active Active
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Inventor after: Zhang Wenxi Inventor after: Cheng Xiping Inventor before: Cheng Xiping Inventor before: He Shengming |