CN110422669B - Ultrathin amorphous strip conveying device and automatic control method for transmission tension thereof - Google Patents
Ultrathin amorphous strip conveying device and automatic control method for transmission tension thereof Download PDFInfo
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- CN110422669B CN110422669B CN201910634541.2A CN201910634541A CN110422669B CN 110422669 B CN110422669 B CN 110422669B CN 201910634541 A CN201910634541 A CN 201910634541A CN 110422669 B CN110422669 B CN 110422669B
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- 238000000429 assembly Methods 0.000 claims abstract description 33
- 238000012546 transfer Methods 0.000 claims abstract description 24
- 230000008859 change Effects 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 11
- 230000001276 controlling effect Effects 0.000 claims description 16
- 238000013461 design Methods 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 6
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- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000011664 signaling Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/02—Advancing webs by friction roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
- B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
- B65H26/04—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs for variation in tension
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
- H01F41/022—Manufacturing of magnetic circuits made from strip(s) or ribbon(s) by winding the strips or ribbons around a coil
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
- H01F41/0226—Manufacturing of magnetic circuits made from strip(s) or ribbon(s) from amorphous ribbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/44—Moving, forwarding, guiding material
- B65H2301/443—Moving, forwarding, guiding material by acting on surface of handled material
- B65H2301/4431—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material
- B65H2301/44318—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material between rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/80—Arangement of the sensing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/173—Metal
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Advancing Webs (AREA)
Abstract
The invention provides an ultrathin amorphous strip conveying device, which comprises: a conveying mechanism; the tension detection mechanism is used for detecting the transmission tension of the ultrathin amorphous strip in the conveying process; a gap adjusting mechanism for adjusting the transmission gap of the ultrathin amorphous strip; a control mechanism; the tension detection mechanism comprises a torque sensor for detecting the torque change of the conveying roller assembly and a position sensor for detecting the vertical position change of the ultrathin amorphous strip on the conveying position between adjacent conveying units; a torque sensor is provided on each of the transfer roller assemblies; the position sensor is disposed between the adjacent conveying units and opposite to a conveying position between the conveying roller assembly and the supporting roller assembly of the adjacent conveying units. The invention also provides a transmission tension automatic control method of the ultrathin amorphous strip conveying device. The invention can adjust the transmission tension of the ultrathin amorphous strip so as to ensure that the ultrathin amorphous strip cannot be torn or folded in the transmission process, thereby realizing the efficient and smooth transmission of the strip.
Description
Technical Field
The invention relates to the technical field of ultrathin amorphous strip conveying, in particular to an ultrathin amorphous strip conveying device and an automatic control method of conveying tension of the ultrathin amorphous strip conveying device.
Background
The amorphous alloy material is a green energy-saving material, which is characterized by energy saving in manufacturing technology and energy saving in application. The amorphous three-dimensional coil transformer has mature ultrathin amorphous strip preparation capability and wide application market in China, and particularly has the advantages of energy conservation, material saving, low noise, small magnetic leakage and the like because of taking the ultrathin Bao Feijing strip as an iron core material.
The production of the amorphous three-dimensional winding transformer iron core requires that the amorphous strip is complete, has no tearing and folding, so as to ensure that the amorphous strip is tightly wound, the iron core has no seam and has small air gap loss, and therefore, the tension of the ultrathin amorphous strip is strictly controlled in the process of conveying the ultrathin amorphous strip. The research on the ultra-thin amorphous strip conveying process and the existing conveying equipment are relatively poor. The traditional ultrathin amorphous strip conveying mode adopts simple double-roller conveying, and measures of tension detection, feedback and adjustment of the ultrathin amorphous strip in the conveying process cannot be realized. The transmission tension of the ultrathin amorphous strip is easily unstable under the condition that the rotation speeds of the paired transmission rollers are not synchronous and the gap between the transmission rollers is too large or too small: if the thin amorphous strip is subjected to overtightening or uneven tension on two sides in the strip conveying process, the thin amorphous strip is easy to tear or fold; if the belt transmission tension is relaxed, the belt transmission efficiency and the subsequent processing are seriously affected.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings in the prior art and provides an ultrathin amorphous strip conveying device, which can adjust the transmission tension of an ultrathin amorphous strip so as to ensure that the ultrathin amorphous strip cannot be torn or folded in the conveying process, thereby realizing the efficient and smooth conveying of the strip. The invention also provides a transmission tension automatic control method of the ultrathin amorphous strip conveying device, which realizes effective control of the transmission tension of the ultrathin amorphous strip in the transmission process, thereby improving the stability and reliability of the ultrathin amorphous strip conveying.
In order to achieve the above purpose, the invention is realized by the following technical scheme: an ultra-thin amorphous strip conveyer, its characterized in that: comprising the following steps:
a conveying mechanism for conveying the ultrathin amorphous strip; the conveying mechanism comprises at least two groups of conveying units, and each group of conveying units comprises a rotatable conveying roller assembly and a supporting roller assembly; the transmission roller assembly of each group of transmission units is used as a transmission position of the ultrathin amorphous strip and transmits the ultrathin amorphous strip in a rotating manner;
The tension detection mechanism is used for detecting the transmission tension of the ultrathin amorphous strip in the conveying process;
A gap adjusting mechanism for adjusting the transmission gap of the ultrathin amorphous strip; the gap adjusting mechanisms are equal in number to the conveying units and are connected with the supporting roller assemblies;
and a control mechanism for receiving the tension detection mechanism signal and controlling the gap adjustment mechanism and the conveying mechanism; the control mechanism is respectively connected with the tension detection mechanism, the gap adjustment mechanism and the conveying mechanism;
The tension detection mechanism comprises a torque sensor for detecting the torque change of the conveying roller assembly and a position sensor for detecting the vertical position change of the ultrathin amorphous strip on the conveying position between adjacent conveying units; the torque sensor is arranged on each conveying roller assembly; the position sensor is arranged between the adjacent conveying units and is opposite to the conveying position between the conveying roller assemblies and the supporting roller assemblies of the adjacent conveying units; the torque sensor and the position sensor are respectively connected with the control mechanism.
In the scheme, the torque change of the conveying roller assembly is monitored through the torque sensor, and the position sensor accurately detects the change of the vertical position in the conveying process of the ultrathin amorphous strip, so that the monitoring of the conveying tension of the ultrathin amorphous strip is realized. The torque sensor and the position sensor feed back monitoring signals to the control mechanism, and the control mechanism controls the gap adjusting mechanism to automatically adjust the transmission tension of the ultrathin amorphous strip so as to ensure that the ultrathin amorphous strip cannot be torn or folded in the transmission process, thereby realizing the efficient and smooth transmission of the strip.
The conveying mechanism further comprises motors and couplings, wherein the number of the motors and the couplings are equal to that of the conveying units; the conveying roller assembly is formed by connecting a transmission shaft with a conveying roller penetrating through the transmission shaft; the support roller assembly is formed by connecting a support shaft and a support roller penetrating through the support shaft; the motor is connected with the control mechanism.
The invention also comprises a fixing plate; in each transmission unit, two ends of the transmission shaft are arranged on the fixed plate through bearings, and one end of the transmission shaft is connected with the motor through a coupler; the supporting roller is positioned below the conveying roller, and a conveying position of the ultrathin amorphous strip is formed between the supporting roller and the conveying roller.
The torque sensors are symmetrically arranged at two ends of the transmission shaft.
The position sensor is arranged on the inner side surface of the fixed plate and is opposite to the ultrathin amorphous strip conveying position between the conveying roller and the supporting roller in the adjacent conveying units.
The gap adjusting mechanism comprises a hydraulic system, a push rod assembly, a movable beam and a sliding block; the sliding block is arranged flush with the fixing plate in the vertical direction, and two ends of the supporting shaft are arranged on the sliding block through bearings; the movable beam is connected with the sliding block and is positioned below the supporting shaft assembly; one end of the push rod assembly is connected with the hydraulic system, and the other end of the push rod assembly is connected with the movable beam; the hydraulic system is connected with the control mechanism, and the hydraulic system is controlled to drive the push rod assembly to drive the movable beam to move up and down so as to adjust the gap between the support roller and the conveying roller in the ultrathin amorphous strip conveying position.
The push rod assembly comprises a push rod and a push rod sleeve; one end of the push rod is connected with the hydraulic system, and the other end of the push rod is connected with the bottom of the movable beam through the push rod sleeve.
The fixed plate is provided with a moving space from the bottom, and the sliding block is positioned in the moving space and is flush with the vertical direction of the fixed plate.
An automatic control method for the transmission tension of the ultrathin amorphous strip conveying device is characterized by comprising the following steps of: at least two groups of conveying units which are vertically opposite to each other by the rotatable conveying roller assemblies and the supporting roller assemblies are arranged, and conveying positions of ultrathin amorphous strips are formed between the conveying roller assemblies and the supporting roller assemblies of each group of conveying units; providing a torque sensor on each transfer roll assembly; a position sensor is arranged between the adjacent conveying units, and the position sensor is opposite to the conveying position between the conveying roller assembly and the supporting roller assembly of the adjacent conveying units;
In two adjacent conveying units, detecting the torque change of each conveying roller assembly through a torque sensor so as to control and adjust the rotation speed of each conveying roller assembly to be a design quantity, and controlling a gap adjusting mechanism to adjust the conveying gap of the ultrathin amorphous strip between the supporting roller assemblies; and detecting the vertical position change of the ultrathin amorphous strip on the transmission position between the adjacent transmission units through a position sensor so as to control the gap adjusting mechanism to adjust the transmission gap of the ultrathin amorphous strip between the supporting roller assembly and the transmission roller assembly, thereby realizing the monitoring and control of the transmission tension of the ultrathin amorphous strip.
In the two adjacent conveying units, detecting the torque change of each conveying roller assembly through a torque sensor so as to control and adjust the rotation speed of each conveying roller assembly to be a design amount, and controlling a gap adjusting mechanism to adjust the conveying gap of the ultrathin amorphous strip between the supporting roller assembly and the conveying roller assembly; and detecting the vertical position change of the ultrathin amorphous strip on the conveying position between the adjacent conveying units through the position sensor so as to control the gap adjusting mechanism to adjust the conveying gap of the ultrathin amorphous strip between the supporting roller assembly and the conveying roller assembly, wherein the monitoring and control of the conveying tension of the ultrathin amorphous strip are realized by the following steps:
Setting a standard value of a conveying gap when the transmission tension of the ultrathin amorphous strip is proper, and setting a design amount of the rotation speed of each conveying roller assembly; in two adjacent conveying units, when the torque sensor detects that the rotation speed of each conveying roller assembly is different, the motor of the conveying roller assembly is controlled to regulate the speed, and the gap adjusting mechanism is controlled to adjust the conveying gap of the ultrathin amorphous strip between the supporting roller assembly and the conveying roller assembly:
(1) Detecting that the rotating speed of the former conveying roller assembly is high and the rotating speed of the latter conveying roller assembly is low through a torque sensor, judging that the transmission tension of the ultrathin amorphous strip is too high, and controlling a motor of the conveying roller assembly to adjust the speed so that the rotating speed of each conveying roller assembly is adjusted to be a design amount; and controlling a gap adjusting mechanism to adjust the conveying gap of the ultrathin amorphous strip between the supporting roller assembly and the conveying roller assembly to a standard value;
(2) Detecting that the rotating speed of the former conveying roller assembly is low and the rotating speed of the latter conveying roller assembly is high through a torque sensor, judging that the transmission tension of the ultrathin amorphous strip is too small, and controlling a motor of the conveying roller assembly to adjust the speed so that the rotating speed of each conveying roller assembly is adjusted to be a design amount; and controlling a gap adjusting mechanism to reduce the conveying gap of the ultrathin amorphous strip between the supporting roller assembly and the conveying roller assembly to a standard value;
In two adjacent conveying units, when the position sensor detects that the vertical position of the ultrathin amorphous strip between the adjacent conveying units is shifted upwards or downwards on the conveying position, the ultrathin amorphous strip is judged to sag, warp upwards or warp downwards, the transmission tension of the ultrathin amorphous strip is too small, and the gap adjusting mechanism is controlled to adjust the conveying gap of the ultrathin amorphous strip between the supporting roller assembly and the conveying roller assembly to be a standard value.
The principle of the invention is as follows: the ultrathin amorphous strip is conveyed by a conveying roller. The motor drives the transmission shaft and the transmission roller, the ultrathin amorphous strip is driven to advance by friction, and the supporting roller plays a role in assisting in transmission and adjusting the gap between the rollers; the torque sensor measures the torque change of the transmission shaft and the transmission roller, and when the transmission tension of the ultrathin amorphous strip is tensed out and out of tolerance, the torque sensor can measure the torque change; the position sensor measures the vertical position change of the ultrathin amorphous strip in the conveying process, and when the conveying tension of the ultrathin amorphous strip is weakened, the strip slightly sags under the action of gravity or warps upwards or downwards due to conveying blockage, and the position sensor can measure the vertical position change of the strip. The torque sensor and the position sensor feed back monitoring signals to the control mechanism, the control mechanism controls the rotating speed of the motor, and the hydraulic system of the gap adjusting mechanism drives the movable beam to move up and down through the push rod assembly so as to adjust the gap of the ultrathin amorphous strip conveying position between the supporting roller and the conveying roller.
During normal operation, the motor drives the conveying roller to realize normal conveying of the ultrathin amorphous strip. When the torque sensor detects that the torque increment of the conveying roller exceeds a set amount, the transmission tension of the ultrathin amorphous strip is excessively large; when the torque sensor detects that the torque increment of the conveying roller is lower than the design quantity, the transmission tension of the ultrathin amorphous strip is too small; when the position sensor detects that the ultrathin amorphous strip sags or warps upwards and downwards, the tension of the ultrathin amorphous strip is too small, and the tension is adjusted by adjusting the rotating speed of the front conveying roller and the rear conveying roller or adjusting the gap of the conveying roller. The hydraulic system provides a lash adjustment driving force and a position lock of the backup roll.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. The ultrathin amorphous strip conveying device can adjust the transmission tension of the ultrathin amorphous strip so as to ensure that the ultrathin amorphous strip cannot be torn or folded in the conveying process, thereby realizing the efficient and smooth conveying of the strip.
2. The automatic control method for the transmission tension of the ultrathin amorphous strip conveying device can realize effective control of the transmission tension of the ultrathin amorphous strip in the transmission process, thereby improving the stability and reliability of the ultrathin amorphous strip conveying.
Drawings
FIG. 1 is a schematic view of an ultra-thin amorphous ribbon transfer apparatus of the present invention;
FIG. 2 is a cross-sectional view of the ultra-thin amorphous ribbon transfer apparatus of the present invention;
FIG. 3 is a schematic view of a position sensor of the present invention detecting sagging of an ultra-thin amorphous strip;
FIG. 4 is a schematic diagram of a position sensor of the present invention detecting the upwarp of an ultra-thin amorphous strip;
FIG. 5 is a schematic front view of the ultra-thin amorphous ribbon transfer apparatus of the present invention;
FIG. 6 is a schematic structural view of an ultra-thin amorphous ribbon conveying device according to the present invention;
Wherein, 1 is the motor, 2 is the shaft coupling, 3 is the transmission shaft, 4 is the transfer roller, 5 is the backing roll, 6 is the back shaft, 7 is the slider, 8 is the movable beam, 9 is the screw, 10 is the push rod cover, 11 is the bolt, 12 is the push rod, 13 is hydraulic system, 14 is torque sensor, 15 is position sensor, 16 is ultra-thin amorphous strip, 17 is the fixed plate.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
Example 1
The ultrathin amorphous strip conveying device of the embodiment takes two groups of conveying units as an example for design and description.
As shown in fig. 1 to 6, the ultra-thin amorphous strip transferring apparatus of the present invention includes:
a fixing plate 17;
A transfer mechanism for transferring the ultra-thin amorphous strip 16, the transfer mechanism comprising two sets of transfer units, each set of transfer units comprising a rotatable transfer roller assembly and a support roller assembly; the transmission position between the transmission roller assembly and the supporting roller assembly of each group of transmission units is used as the transmission position of the ultrathin amorphous strip 16, and the transmission roller assemblies transmit the ultrathin amorphous strip 16 in a rotating mode;
tension detecting means for detecting a transmission tension of the ultra-thin amorphous strip 16 during the conveyance;
gap adjusting mechanisms for adjusting the conveying gaps of the ultrathin amorphous strips 16, wherein the number of the gap adjusting mechanisms is equal to that of the conveying units and the gap adjusting mechanisms are connected with the supporting roller assemblies;
And a control mechanism for receiving the signal of the tension detecting mechanism and controlling the gap adjusting mechanism and the conveying mechanism, wherein the control mechanism is respectively connected with the tension detecting mechanism, the gap adjusting mechanism and the conveying mechanism;
The tension detecting mechanism comprises a torque sensor 14 for detecting torque changes of the conveying roller assemblies and a position sensor 15 for detecting vertical position changes of the ultrathin amorphous strip 16 between adjacent conveying units in a conveying position, the torque sensor 14 is arranged on each conveying roller assembly, the position sensor 15 is arranged between the adjacent conveying units and opposite to the conveying position between the conveying roller assemblies and the supporting roller assemblies of the adjacent conveying units, and the torque sensor 14 and the position sensor 15 are respectively connected with the control mechanism.
Specifically, the conveying mechanism further comprises motors 1 and couplings 2, the number of the motors is equal to that of the conveying units, the conveying roller assemblies are formed by connecting transmission shafts 3 with conveying rollers 4 penetrating through the transmission shafts 3, the supporting roller assemblies are formed by connecting supporting shafts 6 with supporting rollers 5 penetrating through the supporting shafts 6, and the motors 1 are connected with the control mechanism. In each transfer unit, both ends of the transmission shaft 3 are arranged on the fixed plate 17 through bearings, one end of the transmission shaft is connected with the motor 1 through the coupler 2, the supporting roller 5 is positioned below the transfer roller 4, and a transfer position of the ultrathin amorphous strip 16 is formed between the supporting roller 5 and the transfer roller 4.
While the torque sensor 14 of the present invention is symmetrically disposed at both ends of the drive shaft 3. The position sensor 15 is installed on the inner side surface of the fixed plate 17 and is opposite to the conveying position of the ultrathin amorphous strip 16 between the conveying roller 4 and the supporting roller 5 in the adjacent conveying unit.
The gap adjusting mechanism comprises a hydraulic system 13, a push rod 12, a push rod sleeve 10, a movable beam 8 and a sliding block 7, wherein a movable space is formed in the bottom of a fixed plate 17, the sliding block 7 is positioned in the movable space and is flush with the fixed plate 17 in the vertical direction, two ends of a supporting shaft 6 are arranged on the sliding block 7 through bearings, and the movable beam 8 is connected with the sliding block 7 and is positioned below a supporting shaft assembly. One end of the push rod 12 is connected with a hydraulic system 13, the other end of the push rod is connected with a push rod sleeve 10 through a bolt 11, the push rod sleeve 10 is connected with the bottom of the movable beam 8 through a screw 9, the hydraulic system 13 is connected with a control mechanism, and the purpose that the hydraulic system 13 is controlled to drive the push rod 12 and the push rod sleeve 10 to drive the movable beam 8 to move up and down is achieved, so that the gap of the conveying position of the ultrathin amorphous strip 16 between the supporting roller 5 and the conveying roller 4 is adjusted.
The automatic control method of the transmission tension of the ultrathin amorphous strip conveying device is as follows: two groups of conveying units which are vertically opposite to each other and are formed by rotatable conveying roller assemblies and supporting roller assemblies are arranged, and conveying positions between the conveying roller assemblies and the supporting roller assemblies of each group of conveying units are used as conveying positions of ultrathin amorphous strips 16; a torque sensor 14 is provided on each transfer roller assembly; a position sensor 15 is provided between the adjacent conveying units, the position sensor 15 being opposite to a conveying position between the conveying roller assembly and the supporting roller assembly of the adjacent conveying units;
In the adjacent two conveying units, the torque change of each conveying roller assembly is detected through a torque sensor 14 so as to control and adjust the rotation speed of each conveying roller assembly to be a design amount, and a gap adjusting mechanism is controlled to adjust the conveying gap of the ultrathin amorphous strip 16 between the supporting roller assembly and the conveying roller assembly; and detecting the vertical position change of the ultrathin amorphous strip 17 at the conveying position between adjacent conveying units through the position sensor 15 so as to control the gap adjusting mechanism to adjust the conveying gap of the ultrathin amorphous strip 16 between the supporting roller assembly and the conveying roller assembly, thereby realizing the monitoring and control of the conveying tension of the ultrathin amorphous strip 16.
The method comprises the following steps: setting a standard value of a transmission gap when the transmission tension of the ultrathin amorphous strip 16 is proper, and setting a design amount of the rotation speed of each transmission roller assembly; in the adjacent two conveying units, when the torque sensor 14 detects that the rotation speed of each conveying roller assembly is different, the motor 1 of the conveying roller assembly is controlled to adjust the speed, and the gap adjusting mechanism is controlled to adjust the conveying gap of the ultrathin amorphous strip 16 between the supporting roller assembly and the conveying roller assembly:
(1) When the torque sensor 14 detects that the rotation speed of the former conveying roller assembly is high and the rotation speed of the latter conveying roller assembly is low, the transmission tension of the ultrathin amorphous strip 16 is judged to be overlarge, and the motor 1 of the conveying roller assemblies is controlled to regulate the speed, so that the rotation speed of each conveying roller assembly is regulated to be a design amount; and controlling a gap adjusting mechanism to adjust the conveying gap of the ultrathin amorphous strip 16 between the supporting roller assembly and the conveying roller assembly to a standard value;
(2) When the torque sensor 14 detects that the rotation speed of the former conveying roller assembly is low and the rotation speed of the latter conveying roller assembly is high, the transmission tension of the ultrathin amorphous strip 16 is judged to be too small, and the motor 1 of the conveying roller assemblies is controlled to regulate the speed, so that the rotation speed of each conveying roller assembly is regulated to be a design amount; and controlling a gap adjusting mechanism to adjust the conveying gap of the ultrathin amorphous strip 16 between the supporting roller assembly and the conveying roller assembly to a standard value;
in the adjacent two conveying units, when the position sensor 15 detects that the vertical position of the ultrathin amorphous strip 16 between the adjacent conveying units is shifted upwards or downwards on the conveying position, the ultrathin amorphous strip 16 is judged to sag, warp upwards or warp downwards, the transmission tension of the ultrathin amorphous strip 16 is too small, and the gap adjusting mechanism is controlled to adjust the conveying gap of the ultrathin amorphous strip 16 between the supporting roller assembly and the conveying roller assembly to be a standard value.
The hydraulic system of this embodiment may be a miniature integrated hydraulic station, such as LSBZ series of hydraulic power units manufactured by the hydraulic machinery company, inc.
Example two
The ultrathin amorphous strip conveying device of the embodiment can be designed with more than two groups of conveying units for conveying ultrathin amorphous strips and detecting and controlling the transmission tension. Wherein the structure of each group of the conveying units, the mounting position of the tension detecting mechanism and the structure of the gap adjusting mechanism are all identical to those of the embodiment.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principles of the present invention should be made in the equivalent manner, and are included in the scope of the present invention.
Claims (9)
1. An automatic control method for transmission tension of an ultrathin amorphous strip conveying device is characterized by comprising the following steps of: at least two groups of conveying units which are vertically opposite to each other by the rotatable conveying roller assemblies and the supporting roller assemblies are arranged, and conveying positions of ultrathin amorphous strips are formed between the conveying roller assemblies and the supporting roller assemblies of each group of conveying units; providing a torque sensor on each transfer roll assembly; a position sensor is arranged between the adjacent conveying units, and the position sensor is opposite to the conveying position between the conveying roller assembly and the supporting roller assembly of the adjacent conveying units;
In two adjacent conveying units, detecting the torque change of each conveying roller assembly through a torque sensor so as to control and adjust the rotation speed of each conveying roller assembly to be a design amount, and controlling a gap adjusting mechanism to adjust the conveying gap of the ultrathin amorphous strip between the supporting roller assembly and the conveying roller assembly; detecting the vertical position change of the ultrathin amorphous strip on the transmission position between the adjacent transmission units through a position sensor so as to control a gap adjusting mechanism to adjust the transmission gap of the ultrathin amorphous strip between the supporting roller assembly and the transmission roller assembly, thereby realizing the monitoring and control of the transmission tension of the ultrathin amorphous strip;
In the two adjacent conveying units, detecting the torque change of each conveying roller assembly through a torque sensor so as to control and adjust the rotation speed of each conveying roller assembly to be a design amount, and controlling a gap adjusting mechanism to adjust the conveying gap of the ultrathin amorphous strip between the supporting roller assembly and the conveying roller assembly; and detecting vertical position change of the ultrathin amorphous strip on a conveying position between adjacent conveying units through a position sensor so as to control a gap adjusting mechanism to adjust a conveying gap of the ultrathin amorphous strip between a supporting roller assembly and a conveying roller assembly, wherein the monitoring and control of the conveying tension of the ultrathin amorphous strip are as follows:
Setting a standard value of a conveying gap when the transmission tension of the ultrathin amorphous strip is proper, and setting a design amount of the rotation speed of each conveying roller assembly; in two adjacent conveying units, when the torque sensor detects that the rotation speed of each conveying roller assembly is different, the motor of the conveying roller assembly is controlled to regulate the speed, and the gap adjusting mechanism is controlled to adjust the conveying gap of the ultrathin amorphous strip between the supporting roller assembly and the conveying roller assembly:
(1) The torque sensor detects that the rotation speed of the former conveying roller assembly is high, and the rotation speed of the latter conveying roller assembly is low, the transmission tension of the ultrathin amorphous strip is judged to be overlarge, and a motor of the conveying roller assemblies is controlled to regulate the speed, so that the rotation speed of each conveying roller assembly is regulated to be a design amount; and controlling a gap adjusting mechanism to adjust the conveying gap of the ultrathin amorphous strip between the supporting roller assembly and the conveying roller assembly to a standard value;
(2) The torque sensor detects that the rotation speed of the former conveying roller assembly is low and the rotation speed of the latter conveying roller assembly is high, the transmission tension of the ultrathin amorphous strip is judged to be too small, and a motor of the conveying roller assemblies is controlled to regulate the speed, so that the rotation speed of each conveying roller assembly is regulated to be a design amount; and controlling a gap adjusting mechanism to reduce the conveying gap of the ultrathin amorphous strip between the supporting roller assembly and the conveying roller assembly to a standard value;
In two adjacent conveying units, when the position sensor detects that the vertical position of the ultrathin amorphous strip between the adjacent conveying units is shifted upwards or downwards on the conveying position, the ultrathin amorphous strip is judged to sag, warp upwards or warp downwards, the transmission tension of the ultrathin amorphous strip is too small, and the gap adjusting mechanism is controlled to adjust the conveying gap of the ultrathin amorphous strip between the supporting roller assembly and the conveying roller assembly to be a standard value.
2. An ultra-thin amorphous strip conveyer, its characterized in that: an automatic control method of transmission tension using the ultra-thin amorphous strip transmission apparatus as claimed in claim 1, the ultra-thin amorphous strip transmission apparatus comprising:
A conveying mechanism for conveying the ultrathin amorphous strip; the conveying mechanism comprises at least two groups of conveying units, and each group of conveying units comprises a rotatable conveying roller assembly and a supporting roller assembly; the transmission roller assemblies of each group of transmission units are used as transmission positions of ultrathin amorphous strips, and the transmission roller assemblies transmit the ultrathin amorphous strips in a rotating mode;
The tension detection mechanism is used for detecting the transmission tension of the ultrathin amorphous strip in the conveying process;
a gap adjusting mechanism for adjusting the transmission gap of the ultrathin amorphous strip; the gap adjusting mechanisms are equal in number to the conveying units and are connected with the supporting roller assemblies;
And a control mechanism for receiving the tension detection mechanism signal and controlling the gap adjustment mechanism and the conveying mechanism; the control mechanism is respectively connected with the tension detection mechanism, the gap adjustment mechanism and the conveying mechanism;
The tension detection mechanism comprises a torque sensor for detecting the torque change of the conveying roller assembly and a position sensor for detecting the vertical position change of the ultrathin amorphous strip on the conveying position between adjacent conveying units; the torque sensor is arranged on each conveying roller assembly; the position sensor is arranged between the adjacent conveying units and is opposite to the conveying position between the conveying roller assemblies and the supporting roller assemblies of the adjacent conveying units; the torque sensor and the position sensor are respectively connected with the control mechanism.
3. The ultra-thin amorphous ribbon transfer apparatus of claim 2, wherein: the conveying mechanism further comprises motors and couplings, wherein the number of the motors and the couplings are equal to that of the conveying units; the conveying roller assembly is formed by connecting a transmission shaft with a conveying roller penetrating through the transmission shaft; the support roller assembly is formed by connecting a support shaft and a support roller penetrating through the support shaft; the motor is connected with the control mechanism.
4. The ultra-thin amorphous ribbon transfer apparatus of claim 3, wherein: the fixing plate is also included; in each transmission unit, two ends of the transmission shaft are arranged on the fixed plate through bearings, and one end of the transmission shaft is connected with the motor through a coupler; the supporting roller is positioned below the conveying roller, and a conveying position of the ultrathin amorphous strip is formed between the supporting roller and the conveying roller.
5. The ultra-thin amorphous ribbon transfer apparatus of claim 3, wherein: the torque sensors are symmetrically arranged at two ends of the transmission shaft.
6. The ultra-thin amorphous ribbon transfer apparatus of claim 4, wherein: the position sensor is arranged on the inner side surface of the fixed plate and is opposite to the ultrathin amorphous strip conveying position between the conveying roller and the supporting roller in the adjacent conveying units.
7. The ultra-thin amorphous ribbon transfer apparatus of claim 4, wherein: the gap adjusting mechanism comprises a hydraulic system, a push rod assembly, a movable beam and a sliding block; the sliding block is arranged flush with the fixing plate in the vertical direction, and two ends of the supporting shaft are arranged on the sliding block through bearings; the movable beam is connected with the sliding block and is positioned below the supporting shaft assembly; one end of the push rod assembly is connected with the hydraulic system, and the other end of the push rod assembly is connected with the movable beam; the hydraulic system is connected with the control mechanism, and the hydraulic system is controlled to drive the push rod assembly to drive the movable beam to move up and down so as to adjust the gap between the support roller and the conveying roller in the ultrathin amorphous strip conveying position.
8. The ultra-thin amorphous ribbon transfer apparatus of claim 7, wherein: the push rod assembly comprises a push rod and a push rod sleeve; one end of the push rod is connected with the hydraulic system, and the other end of the push rod is connected with the bottom of the movable beam through the push rod sleeve.
9. The ultra-thin amorphous ribbon transfer apparatus of claim 7, wherein: the fixed plate is provided with a moving space from the bottom, and the sliding block is positioned in the moving space and is flush with the vertical direction of the fixed plate.
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| CN111627689B (en) * | 2020-05-20 | 2022-07-29 | 季华实验室 | Amorphous strip processing protection device and processing equipment for amorphous three-dimensional wound core transformer |
| CN112964178B (en) * | 2021-02-07 | 2022-04-26 | 佛山科学技术学院 | Amorphous strip transmission position measuring method and device |
| CN113506679B (en) * | 2021-06-30 | 2023-02-28 | 佛山科学技术学院 | Amorphous strip winding method and device |
| CN114955662A (en) * | 2022-06-29 | 2022-08-30 | 中航复合材料有限责任公司 | Two-step preimpregnation machine glued membrane tension deformation controlling means |
| CN117208622A (en) * | 2023-11-08 | 2023-12-12 | 江苏倍川自动化设备有限公司 | Be applied to waste material area traction mechanism and non-stop cross cutting machine of cross cutting machine |
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