CN110923868A - Rear roller synchronization and play detection device of ring spinning frame - Google Patents
Rear roller synchronization and play detection device of ring spinning frame Download PDFInfo
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- CN110923868A CN110923868A CN201911400985.6A CN201911400985A CN110923868A CN 110923868 A CN110923868 A CN 110923868A CN 201911400985 A CN201911400985 A CN 201911400985A CN 110923868 A CN110923868 A CN 110923868A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
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- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention relates to a rear roller synchronization and play detection device of a ring spinning frame, which comprises: the detection device comprises a detection wheel combination, a detection sensor combination and a logic operation PLC program, wherein the detection wheel combination is arranged on a back roller base shaft, the detection sensor combination positioned on one side of the detection wheel combination is arranged on a cradle support rod, and the detection sensor combination is connected with the logic operation PLC program. The invention improves the spinning quality, can find and solve faults in time when the faults occur, and improves the production efficiency. The roller rotates to drive the detection wheel combination to rotate and to be matched with the proximity switch sensor on the corresponding detection sensor combination to generate on-off electric signals, after the on-off electric signals are processed by the PLC control program, whether axial movement is generated by loosening of any one rear roller due to connection threads can be judged, and when the on-off electric signals and the axial movement are asynchronous and movement, the control program gives a signal tower lamp alarm signal and stops to wait for maintenance.
Description
Technical Field
The invention belongs to the technical field of ring spinning frames in textile machinery, and particularly relates to a rear roller synchronization and play detection device of a ring spinning frame.
Background
After the number of spindles of a single ring spinning frame is increased to a certain number, in order to solve the problems of torsional vibration, breakage and the like caused by the fact that the length of a rear roller is too long due to the increase of the number of spindles, the rear roller of a long-vehicle type spinning frame is usually in a transmission mode that the middle of the machine is disconnected, and independent power sources are respectively arranged at a head and a tail of the machine, so that the connection length of a section of the rear roller is shortened, the rigidity of the rear roller is improved, and the. However, this brings the following problems: the two back rollers driven by the independent power source may rotate asynchronously due to the reliability and synchronism of the power source and the unexpected load of the drafting zone, and the spun yarn has unacceptable quality difference. In addition, when some fancy spun yarns with special styles are spun, the variable-speed rotation of the rear rollers is needed to enable the amount of the roving entering the drafting zone to show regular change, because each section of the rear rollers are connected together by a plurality of short single rollers through threads, the rear rollers rotate at variable speeds, and the threaded connection part can loose probabilistically under the action of inertia force, so that the asynchronous of the rollers is intensified, and the axial movement can also be generated.
Therefore, it is necessary to design a set of detection device to monitor the synchronous rotation of the two back rollers and the axial movement of a single back roller, and when the faults occur, the control system of the spinning frame analyzes and judges and automatically stops the spinning frame, so that the mechanical accident is avoided, and the waste spun yarn is also avoided.
Disclosure of Invention
The invention aims to solve the technical problem that the defects of the background technology are overcome, a set of detection wheel combination is respectively added on the left side and the right side of the rear roller disconnection position of a drafting zone of a spinning frame, a cradle supporting rod is used as an installation shaft, a set of sensor combination is additionally arranged, a PLC program carries out logical operation through detection signals provided by a proximity switch sensor to analyze and judge whether the rear roller has faults, when the faults occur, a signal tower lamp is given with an alarm signal, the spinning frame is shut down to wait for maintenance, and the device is a rear roller synchronization and play detection device of a ring spinning frame.
The technical scheme of the invention is as follows: a ring spinning frame back roller synchronization and play detection device comprises: the detection device comprises a detection wheel combination, a detection sensor combination and a logic operation PLC program, wherein the detection wheel combination is arranged on a back roller base shaft, the detection sensor combination positioned on one side of the detection wheel combination is arranged on a cradle support rod, and the detection sensor combination is connected with the logic operation PLC program.
Furthermore, the detection wheel assembly comprises a half-type nonmetal base wheel, screws and steel belts, two sides of the half-type nonmetal base wheel are connected and combined together through the screws, and the outer cylindrical surface of the half-type nonmetal base wheel is coated with one steel belt, wherein the inner diameter of the half-type nonmetal base wheel is matched with the size of the corresponding rear roller base shaft, and the coating angle of the steel belts on the half-type nonmetal base wheel is larger than 180 degrees.
Furthermore, the detection sensor combination comprises a half-type mounting seat, fastening screws, a mounting plate, screws and a proximity switch sensor, wherein two sides of the half-type mounting seat are connected and combined together through the fastening screws, the shape and the size of an inner hole of the half-type mounting seat are matched with those of a cradle support rod, one end of the mounting plate is fixedly arranged on the plane of the excircle of the half-type mounting seat through the two screws, and the proximity switch sensor is mounted in a long waist hole at the other end of the mounting plate and is fastened through a nut carried by the proximity switch sensor.
Furthermore, the detection wheel combination is tightly arranged on the base shaft of the rear roller, two sides of the half-type mounting seat in the detection sensor combination are connected and combined together through fastening screws and are tightly arranged on the rocking frame supporting rod, and the proximity switch sensor in the detection sensor combination is arranged on one side of the detection wheel combination.
Further, when the drafting zone of the spinning frame is installed, the corresponding steel belts on the detection wheel combination on the same side are complementarily installed on the coating angle; the corresponding steel belt installation angles on the detection wheel combinations of the same power source on the two sides are the same.
Furthermore, the rear rollers rotate to drive the detection wheel combination to rotate and to be matched with the proximity switch sensors on the corresponding detection sensor combination to generate on and off electric signals, the on and off electric signals are processed by a PLC control program and then subjected to logic operation, whether any two rear rollers synchronously rotate or not can be judged, whether axial movement of any one rear roller is generated due to loosening of connecting threads or not can be judged, and when the two rear rollers are asynchronous and move, the control program gives an alarm signal and stops to be overhauled.
The invention has the beneficial effects that: the rear roller synchronization and play detection device of the ring spinning frame improves spinning quality, can find and solve faults in time when faults occur, and improves production efficiency. The rollers rotate to drive the detection wheel combination to rotate and to be matched with the proximity switch sensors on the corresponding detection sensor combination to generate 'on' and 'off' electric signals, the signals are processed by a PLC control program to carry out logic operation, whether any two rear rollers synchronously operate can be judged, whether any one rear roller axially moves due to looseness of connecting threads can be judged, and when the signals are asynchronous and move, and faults occur, the control program gives a signal tower lamp alarm signal and stops to wait for maintenance.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a rear roller synchronization and play detection device of a ring spinning frame according to the present invention;
FIG. 2 is a perspective view of the detection wheel assembly of the present invention;
FIG. 3 is a front view of the detection wheel assembly of the present invention;
FIG. 4 is a side view of the detection wheel assembly of the present invention;
FIG. 5 is a perspective view of the detecting sensor assembly of the present invention;
FIG. 6 is a front view of the combination of detection sensors of the present invention;
FIG. 7 is a schematic view of the installation of the rear roller synchronization and play detection device of the ring spinning frame;
FIG. 8 is a schematic view of the installation position of the back roller synchronization and play detection device of the ring spinning frame.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 to 8, a rear roller synchronization and play detection device for a ring spinning frame comprises: the detection device comprises a detection wheel combination 1, a detection sensor combination 2 and a logic operation PLC program, wherein the detection wheel combination 1 is arranged on a back roller base shaft, the detection sensor combination 2 positioned on one side of the detection wheel combination 1 is arranged on a cradle support rod, and the detection sensor combination 2 is connected with the logic operation PLC program.
The detection wheel assembly 1 comprises a half-type nonmetal base wheel 3, screws 4 and steel belts 5, two sides of the half-type nonmetal base wheel 3 are connected and combined together through the screws 4, and the outer cylindrical surface of the half-type nonmetal base wheel 3 is coated with one steel belt 5, wherein the inner diameter of the half-type nonmetal base wheel 3 is matched with the size of a corresponding rear roller base shaft, and the coating angle of the steel belt 5 on the half-type nonmetal base wheel 3 is 190 degrees.
The detection sensor assembly 2 comprises a half-type mounting seat 6, fastening screws 7, a mounting plate 8, screws 9 and a proximity switch sensor 10, wherein the two sides of the half-type mounting seat 6 are connected and combined together through the fastening screws 7, the shape and the size of an inner hole of the half-type mounting seat 6 are matched with a cradle support rod, one end of the mounting plate 8 is fixedly arranged on the plane of the excircle of the half-type mounting seat 6 through the two screws 9, and the proximity switch sensor 10 is mounted in a long waist hole at the other end of the mounting plate 8 and is fastened through a nut carried by the proximity switch sensor 10.
The detection wheel assembly 1 is tightly arranged on the base shaft of the rear roller, two sides of a half-type mounting seat 6 in the detection sensor assembly 2 are connected and combined together through fastening screws 7 and are tightly arranged on a cradle support rod, and a proximity switch sensor 10 in the detection sensor assembly 2 is arranged on one side of the detection wheel assembly 1.
When the drafting zone of the spinning machine is installed, the corresponding steel belts 5 on the detection wheel assemblies 1 on the same side are complementarily installed on the coating angle; the corresponding steel belts 5 on the detection wheel assembly 1 with the same power source on the two sides have the same installation angle.
The rear rollers rotate to drive the detection wheel combination 1 to rotate to be matched with the proximity switch sensors 10 on the corresponding detection sensor combination 2, so that on and off electric signals are generated, logical operation is performed after the on and off electric signals are processed by a PLC control program, whether any two rear rollers synchronously rotate or not can be judged, whether axial movement of any one rear roller is generated due to loosening of connecting threads or not can be judged, and when the on and off movements are asynchronous, the control program gives an alarm signal and stops to be overhauled.
When four detection wheel assemblies 1 are respectively installed on base shafts of four rear rollers at the disconnection positions of the rear rollers on two sides of the long vehicle type spinning frame and two detection wheel assemblies 1 on the same side of the spinning frame are required to be installed, an upper steel belt 5 is in a strict complementary angle as shown in the attached figure 7, and the method specifically comprises the following steps: in the four detection wheel assembly 1 in fig. 7, the wrapping angles of the steel belts 5 on the two wheels at the positions a and C are complementary, and the wrapping angles of the steel belts 5 on the two wheels at the positions B and D are complementary, because the back rollers corresponding to a and B are the same power source, and the back rollers corresponding to C and D are the same power source, when the assembly is performed, the initial assembly angles of a and B are the same relative to any reference solid surface, and the initial assembly angles of C and D are the same relative to any reference solid surface.
The detection sensor assembly 2 is installed at a position corresponding to the cradle support rod, the huff-type mounting seat 6 is fixed on the cradle support rod through the screwing of the two screws 7, the mounting angle of the huff-type mounting seat 6 can be guaranteed to be fixed due to the fact that the shape of an inner hole is matched with the support rod, the mounting plate 8 is fixed on the huff-type mounting seat 6 through the two screws 9, the proximity switch sensor 10 is installed in a long waist hole at the other end of the mounting plate 8, and the proximity switch sensor is fastened through two nuts in the adjusting position.
The control mechanism is as follows: whether the rollers are synchronous or not is detected by means of the function of the proximity switch, and whether the single roller has axial movement or not is also detected.
In fig. 7, the proximity switch sensor 10 at a and the proximity switch sensor 10 at C basically generate alternate signals because the two steel belts 5 are installed at complementary angles on the premise of synchronous movement of the back rollers, and finally the detected signals are corrected to 180 degrees in a digital sense by a program because the wrapping angle of each steel belt is slightly larger than 180 degrees.
Similarly, the proximity switch sensor 10 at the position B and the proximity switch sensor 10 at the position D basically generate alternative signals because the two steel belts 5 are installed in a complementary angle on the premise of synchronous motion of the rear rollers, and finally the coating angle of each steel belt is slightly larger than 180 degrees and is corrected to be 180 degrees in a digital sense by a delay program.
According to production needs, signals generated by the proximity switch sensors 10 at the corresponding positions of A, B, C, D, A, D, B and C can be analyzed and compared, the running conditions of the rollers are judged, when any one rear roller generates axial displacement due to looseness of a threaded connection position, the detection wheel combination 1 fixed on the rear roller can move along with the rear roller, the corresponding proximity switch 10 does not generate signals for a long time, or signals which are not positioned with preset signals are generated, and a control program judges that the roller axially moves, alarms and stops.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A ring spinning frame back roller synchronization and play detection device comprises: the detection device comprises a detection wheel combination (1), a detection sensor combination (2) and a logic operation PLC program, and is characterized in that the detection wheel combination (1) is arranged on a back roller base shaft, the detection sensor combination (2) positioned on one side of the detection wheel combination (1) is arranged on a cradle support rod, and the detection sensor combination (2) is connected with the logic operation PLC program.
2. The device for detecting the synchronization and the play of the back rollers of the ring spinning frame according to claim 1, wherein the detection wheel assembly (1) comprises a half-type non-metal base wheel (3), screws (4) and steel belts (5), two sides of the half-type non-metal base wheel (3) are connected and combined together through the screws (4), a layer of steel belt (5) is coated on an outer cylindrical surface of the half-type non-metal base wheel (3), wherein the inner diameter of the half-type non-metal base wheel (3) is matched with the size of a corresponding back roller base shaft, and the coating angle of the steel belt (5) on the half-type non-metal base wheel (3) is larger than 180 degrees.
3. The device for detecting the synchronization and the play of the back roller of the ring spinning frame as claimed in claim 1, wherein the detection sensor assembly (2) comprises a half-type mounting seat (6), fastening screws (7), a mounting plate (8), screws (9) and a proximity switch sensor (10), two sides of the half-type mounting seat (6) are connected and combined together through the fastening screws (7), the shape and the size of an inner hole of the half-type mounting seat (6) are matched with those of a cradle support rod, one end of the mounting plate (8) is fixedly arranged on a plane of an excircle of the half-type mounting seat (6) through the two screws (9), and the proximity switch sensor (10) is mounted in a long waist hole at the other end of the mounting plate (8) and is fastened through a nut carried by the proximity switch sensor (10).
4. The device for detecting the synchronization and the play of the back rollers of the ring spinning frame according to claim 1, wherein the detection wheel assembly (1) is tightly fixed on a base shaft of the back rollers, two sides of a half-type mounting seat (6) in the detection sensor assembly (2) are connected and combined together through a fastening screw (7) and are tightly fixed on a support rod of a cradle, and a proximity switch sensor (10) in the detection sensor assembly (2) is arranged on one side of the detection wheel assembly (1).
5. The device for detecting the synchronization and the play of the back rollers of the ring spinning frame according to claim 1, characterized in that when the drafting zone of the spinning frame is installed, the corresponding steel belts (5) on the detecting wheel combination (1) on the same side are installed complementarily on the coating angle; the corresponding steel belts (5) on the detection wheel combination (1) with the same power source on the two sides have the same installation angle.
6. The device for detecting the synchronization and the play of the back rollers of the ring spinning frame as claimed in claim 1, wherein the rotation of the back rollers drives the detection wheel assembly (1) to rotate to match with the proximity switch sensor (10) on the corresponding detection sensor assembly (2) to generate on and off electric signals, and the on and off electric signals are processed by a PLC control program to perform logic operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911400985.6A CN110923868B (en) | 2019-12-31 | 2019-12-31 | Rear roller synchronization and play detection device of ring spinning frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911400985.6A CN110923868B (en) | 2019-12-31 | 2019-12-31 | Rear roller synchronization and play detection device of ring spinning frame |
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| CN110923868A true CN110923868A (en) | 2020-03-27 |
| CN110923868B CN110923868B (en) | 2023-03-03 |
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| CN201911400985.6A Active CN110923868B (en) | 2019-12-31 | 2019-12-31 | Rear roller synchronization and play detection device of ring spinning frame |
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