CN218201271U - Control device for flattening roller proportional valve of aluminum foil coiling machine - Google Patents
Control device for flattening roller proportional valve of aluminum foil coiling machine Download PDFInfo
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- CN218201271U CN218201271U CN202222204925.0U CN202222204925U CN218201271U CN 218201271 U CN218201271 U CN 218201271U CN 202222204925 U CN202222204925 U CN 202222204925U CN 218201271 U CN218201271 U CN 218201271U
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- flattening roller
- displacement sensor
- aluminum foil
- baffle
- proportional
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Abstract
The utility model relates to a flattening roller proportional valve control device of an aluminum foil coiling machine, which comprises a displacement sensor, wherein a baffle is arranged at the lower part of a frame corresponding to the displacement sensor, the baffle is an L-shaped plate body, the horizontal section of the baffle is fixed with the frame, and the vertical section of the baffle and a probe of the displacement sensor are positioned on the same straight line; the pneumatic cylinder is provided with the proportional control valve, proportional control valve electric connection PLC controller, the input electric connection displacement sensor of PLC controller. The utility model discloses set up displacement sensor and baffle, the distance of frame and flattening roller shows for the distance between baffle and displacement sensor, through displacement sensor's analog output, PLC sensor adjustment proportional valve's opening degree and then makes the distance automatically regulated of frame and flattening roller has improved operation precision and operating efficiency.
Description
Technical Field
The utility model relates to an aluminium foil processing technology field, concretely relates to aluminium foil combined roll machine flattening roller proportional valve controlling means.
Background
The flattening roller is used for flattening and pressing the end face of the aluminum coil, so that the moderate winding tightness of the aluminum coil is ensured, the diameter of the aluminum coil is gradually increased along with the development of the winding process, the aluminum coil can abut against the flattening roller and force the flattening roller to generate displacement, and the position of the flattening roller needs to be compensated and adjusted at the moment, so that the operation position of the flattening roller is relatively unchanged;
the flattening roller is driven by a hydraulic cylinder to generate displacement, so that a proportional valve is arranged at the adjusting end of the hydraulic cylinder, and the force application effect of the flattening roller is changed by adjusting the proportional valve, so that the flattening roller is continuously kept fixed relative to the working surface;
the existing flattening roller pressure adjusting device is manually adjusted, the opening degree of a proportional valve is manually changed through a PLC (programmable logic controller), the displacement of a flattening roller is adjusted, the operation needs to be carried out to ensure the compaction of an aluminum coil according to the working experience of a worker, and the problems of low operation accuracy and low operation efficiency exist.
Disclosure of Invention
The utility model discloses a solve the problem that current flattening roller operation displacement adjusting device operation precision is low, inefficiency, provide an aluminium foil doubling machine flattening roller proportional valve controlling means, set up displacement sensor and baffle, the distance of frame and flattening roller shows for the distance between baffle and displacement sensor, through displacement sensor's analog output, PLC sensor adjusts proportional valve's opening degree and then makes the distance automatically regulated of frame and flattening roller, has improved operation precision and operating efficiency.
In order to realize the purpose, the technical scheme of the utility model is that:
a control device for a flattening roller proportion valve of an aluminum foil coiling machine comprises a flattening roller, a sleeve and a PLC (programmable logic controller), wherein an aluminum foil coiled material is wound on the sleeve to form an aluminum foil coil;
the lower end of the support plate is provided with a displacement sensor, a baffle is arranged at the lower part of the frame corresponding to the displacement sensor, the baffle is an L-shaped plate body, the horizontal section of the baffle is fixed with the frame, and the vertical section of the baffle and a probe of the displacement sensor are positioned on the same straight line;
the pneumatic cylinder is provided with the proportional control valve, proportional control valve electric connection PLC controller, the input electric connection displacement sensor of PLC controller.
In order to avoid the problem that the finished aluminum foil coil is not tightly wound and the reverse driving force is offset due to the fact that the diameter of the aluminum foil coil is larger than the coil diameter and the reverse driving force is generated to drive the flattening roller to generate displacement, the problem that the end face of the aluminum foil coil is not uniform due to the fact that the displacement of the flattening roller is increased and the operation is conducted, the existing PLC is combined, a displacement sensor is arranged, the displacement sensor and the flattening roller move synchronously, meanwhile, a baffle is arranged on the frame, the distance from the displacement sensor to the baffle is detected, when the flattening roller generates displacement, the distance from the displacement sensor to the baffle can be changed, the pressure of the hydraulic cylinder is adjusted through a proportional valve at the moment, the extending amount of the hydraulic cylinder is changed, and the flattening roller returns to the initial position again. The operation has a distance detection value as a reference, and the adjustment is not needed by experience, so that the operation accuracy is greatly improved, and in addition, the PLC is used for realizing automatic control, so that the operation efficiency is improved.
Furthermore, the support plates are L-shaped plate bodies, the flattening rollers are arranged between the two support plates, linear notches are formed in the positions, corresponding to the lower portions of the two vertical sections of the frames, of the two support plates, and the horizontal sections of the support plates are arranged inside the linear notches.
In order to facilitate the displacement detection of the flattening roller, the I-shaped notch is formed, and the device is simple in structure and convenient to maintain in a later period.
Furthermore, a concave-shaped push plate is arranged at the extending end of the hydraulic cylinder, and the concave surface of the push plate is in contact with the horizontal section of the support plate and is fixed with the support plate through a bolt.
One side of the push plate is provided with a circular truncated cone-shaped bulge, the circular truncated cone-shaped bulge and the push plate are of an integrated structure, the middle part of the circular truncated cone-shaped bulge is provided with a threaded hole, and the hydraulic cylinder is fixed with the push plate through the threaded hole.
In order to improve the stability of the operation of the flattening roller and further acquire accurate displacement, a push plate is arranged to support and limit the support plate.
Furthermore, the analog input end of the PLC controller is connected with the output end of the displacement sensor, and the displacement sensor is used for measuring the distance from the displacement sensor to the vertical section of the baffle.
The measuring range of the displacement sensor is 3-8mm, the output quantity of the displacement sensor is 4-20mA, and the PLC acquires the detection quantity of the displacement sensor through analog quantity input.
Furthermore, a proportional valve amplifier is arranged between the PLC and the proportional regulating valve, the analog output end of the PLC is connected with the input end of the proportional valve amplifier, and the output end of the proportional valve amplifier is connected with the coil of the proportional regulating valve.
Because the stroke amount of the flattening roller is very small and a proportional valve amplifier needs to be accurately adjusted and arranged to improve the signal transmission precision, the action of the proportional regulating valve is ensured to be accurately in place.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses be provided with displacement sensor, displacement sensor is fixed with the extension board, the extension board again with the flattening roller between the distance relatively fixed, and set up the baffle, the baffle is fixed with the frame, when the flattening roller removes, the frame is motionless relatively, consequently, it just obtains the displacement volume of flattening roller to detect the distance between displacement sensor to the baffle, the displacement sensor detection value of the initial position of flattening roller is as the benchmark volume, the PLC controller makes its valve port change and then makes the flattening roller get back to the initial position after obtaining the displacement volume of flattening roller. The displacement sensor and the baffle can accurately detect the displacement of the flattening roller, so that the control of the proportional control valve does not depend on manual experience any more, and the operation precision and the operation efficiency are improved.
Drawings
Fig. 1 is one of the structural schematic diagrams of the control device of the flattening roller proportional valve of the aluminum foil coiling machine of the present invention;
fig. 2 is a second schematic structural view of a control device of a flattening roller proportional valve of an aluminum foil coiling machine of the present invention;
fig. 3 is a third schematic structural view of a control device of a flattening roller proportional valve of an aluminum foil coiling machine of the present invention;
fig. 4 is a system schematic diagram of the flattening roller proportional valve control device of the aluminum foil coiling machine of the present invention.
The reference numbers in the figures are: the device comprises a flattening roller 1, a sleeve 2, a PLC (programmable logic controller) 3, a frame 4, a hydraulic cylinder 5, a support plate 6, a displacement sensor 7, a baffle 8, a proportional control valve 9, a push plate 10 and a proportional valve amplifier 11.
Detailed Description
The invention will be further explained with reference to the drawings and the detailed description below:
example 1
As shown in fig. 1 to 4, a proportional valve control device for a flattening roller of an aluminum foil coiling machine comprises a flattening roller 1, a sleeve 2 and a PLC controller 3, wherein an aluminum foil coiled material is wound on the sleeve 2 to form an aluminum foil coil, the flattening roller 1 is arranged on one side of the winding direction of the sleeve 2, the flattening roller 1 is provided with a moving mechanism, the moving mechanism is used for driving the flattening roller 1 to move and enabling the flattening roller 1 to contact the section of the aluminum foil coil, the moving mechanism comprises a frame 4, a hydraulic cylinder 5 and a support plate 6, the frame 4 is of a door frame-shaped structure, support plates 6 are symmetrically arranged on the lower portion close to the frame 4 along the center line of the frame 4, the flattening roller 1 is rotatably connected with the support plates 6, the support plates 6 are fixedly connected with the extending end of the hydraulic cylinder 5, the hydraulic cylinder 5 is fixed with the side wall of the frame 4, and the support plates 6 are slidably connected with the frame 4;
a displacement sensor 7 is arranged at the lower end of the support plate 6, a baffle 8 is arranged at the lower part of the frame 4 corresponding to the displacement sensor 7, the baffle 8 is an L-shaped plate body, the horizontal section of the baffle 8 is fixed with the frame 4, and the vertical section of the baffle 8 and the probe of the displacement sensor 7 are positioned on the same straight line;
the pneumatic cylinder 5 is provided with a proportional control valve 9, the proportional control valve 9 is electrically connected with the PLC controller 3, and the input end of the PLC controller 3 is electrically connected with the displacement sensor 7.
As shown in fig. 4, the analog input end of the PLC controller 3 is connected to the output end of the displacement sensor 7, and the displacement sensor 7 is used for measuring the distance from the displacement sensor 7 to the vertical section of the baffle 8.
As shown in fig. 4, a proportional valve amplifier 11 is disposed between the PLC controller 3 and the proportional control valve 9, an analog output end of the PLC controller 3 is connected to an input end of the proportional valve amplifier 11, and an output end of the proportional valve amplifier 11 is connected to a coil of the proportional control valve 9.
In this embodiment, the PLC controller 3 is a siemens series PLC controller, the displacement sensor 7 is a linear displacement sensor, the proportional valve amplifier 11 is an EFBG-03-125 type proportional valve amplifier, the range of the displacement sensor 7 is 3 to 8mm, and the output of the displacement sensor 7 is 4 to 20ma, and after repeated tests, when the detection value of the displacement sensor 7 is 6mm, the position of the ironing roll 1 is appropriate, the ironing roll 1 is in contact with the working surface, the aluminum foil tightness is appropriate, and the end surface is flat, in this embodiment, the adjustment of the proportional adjusting valve 9 is explained with the detection value of 6 mm:
after a period of operation, the more the aluminum foil coil is wound, the larger the aluminum foil coil is, the more the aluminum foil coil is, the aluminum foil coil is abutted against the flattening roller 1, the flattening roller 1 is forced to generate displacement, the position of 6mm of the flattening roller 1 is changed, at the moment, the flattening roller 1 cannot keep the original pressure to press the section of the aluminum foil, the displacement sensor 7 detects the distance between the displacement sensor and the baffle plate 8 in real time, the PLC 3 acquires detection parameters in real time, in the embodiment, a PID control method is adopted to adjust the proportional control valve 9 (the PID control method is a closed loop control method based on the PLC commonly used in the field, in the embodiment, only one displacement quantity is a variable, and the method is not repeated here), after the PLC 3 acquires the detection parameters, an analog signal is sent to the proportional valve amplifier 11, the proportional valve amplifier 11 adjusts the valve opening degree of the proportional control valve 9 by changing the voltage of the proportional control valve 9, the internal pressure of the hydraulic cylinder 9 is changed, the extending end of the hydraulic cylinder 5 acts to push the support plate 6, and further, the distance between the displacement sensor 7 and the baffle plate 8 returns to 6mm, so that the flattening roller 1 is in a proper position to press the aluminum foil coil.
Example 2
Preferably, the support plates 6 are L-shaped plate bodies, the flattening roller 1 is arranged between the two support plates 6, linear notches are formed in the lower portions of the two vertical sections of the frame 4 corresponding to the two support plates 6, and the horizontal sections of the support plates 6 are arranged inside the linear notches.
Preferably, the extending end of the hydraulic cylinder 5 is provided with a concave push plate 10, and the concave surface of the push plate 10 is in contact with the horizontal section of the support plate 6 and is fixed with the support plate 6 through a bolt.
In operation, the extension end of the hydraulic cylinder 5 moves the support plate 6 inside the linear notch of the frame 4 through the push plate 10 to position the ironing roll 1.
The operation of the entire aluminum foil combiner will be described with reference to examples 1 and 2 above:
in this embodiment, the diameter of the aluminum foil roll can reach 2.2m, so the frame 4 in the moving mechanism will also generate displacement when the sleeve 3 is wound, and the distance between the moving mechanism and the aluminum foil roll (sleeve 2) is matched by the movement of the frame 4, rather than by the movement of the flattening roller 1, so in this embodiment, the components capable of generating displacement include the flattening roller 1 and the frame 4;
two hydraulic cylinders with longer stroke are arranged at two sides of a frame 4 of the existing aluminum foil coiling machine, the frame 4 is pushed and pulled by the hydraulic cylinders to generate displacement, a group of reversing valves are arranged corresponding to the hydraulic cylinders, and the reversing valves are used for controlling the movement direction of the frame 4 so as to adjust the distance between the frame 4 and the sleeve 2; the hydraulic cylinder is also provided with an overflow valve which provides action signals for the reversing valve and the hydraulic cylinder, for example, when the pressure of the aluminum foil coil on the frame 4 exceeds 2.5 MPa, the overflow valve has pressure relief action, and the reversing valve controls the cavity of the hydraulic cylinder, so that the hydraulic cylinder drives the frame 4 to move.
When the frame 4 moves, the relative distance between the flattening roller 1 and the frame 4 is unchanged until the aluminum foil coil extrudes the flattening roller 1, the flattening roller 1 is forced to generate displacement (the extending end of the hydraulic cylinder 5 retracts), and the position of the flattening roller 1 is required to be adjusted at the moment, if the flattening roller 1 cannot generate displacement, the section of the aluminum foil coil is seriously pressed and damaged, and the flattening roller 1 needs to be continuously adjusted.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.
Claims (5)
1. A flattening roller proportional valve control device of an aluminum foil coiling machine comprises a flattening roller (1), a sleeve (2) and a PLC (programmable logic controller) (3), wherein an aluminum foil coiled material is wound on the sleeve (2) to form an aluminum foil coil, the flattening roller (1) is arranged on one side of the winding direction of the sleeve (2), and a moving mechanism is arranged on the flattening roller (1) and is used for driving the flattening roller (1) to move and enabling the flattening roller (1) to contact with the section of the aluminum foil coil;
a displacement sensor (7) is arranged at the lower end of the support plate (6), a baffle (8) is arranged at the lower part of the frame (4) corresponding to the displacement sensor (7), the baffle (8) is an L-shaped plate body, the horizontal section of the baffle (8) is fixed with the frame (4), and the vertical section of the baffle (8) and the probe of the displacement sensor (7) are positioned on the same straight line;
the hydraulic cylinder (5) is provided with a proportional control valve (9), the proportional control valve (9) is electrically connected with the PLC controller (3), and the input end of the PLC controller (3) is electrically connected with the displacement sensor (7).
2. The control device for the flattening roller proportion valve of the aluminum foil coiling machine according to claim 1, characterized in that the support plates (6) are L-shaped plate bodies, the flattening roller (1) is arranged between the two support plates (6), linear notches are formed at the lower parts of the two vertical sections of the frame (4) corresponding to the two support plates (6), and the horizontal sections of the support plates (6) are arranged in the linear notches.
3. The control device for the flattening roller proportional valve of the aluminum foil coiling machine as defined in claim 2, wherein the extending end of the hydraulic cylinder (5) is provided with a concave-shaped push plate (10), and the inner concave surface of the push plate (10) is in contact with the horizontal section of the support plate (6) and is fixed with the support plate (6) through a bolt.
4. The control device for the flattening roller proportional valve of the aluminum foil co-winding machine according to claim 1, characterized in that the analog input end of the PLC (3) is connected with the output end of a displacement sensor (7), and the displacement sensor (7) is used for measuring the distance between the displacement sensor (7) and the vertical section of the baffle (8).
5. The control device for the proportional valve of the flattening roller of the aluminum foil coiling machine as defined in claim 4, wherein a proportional valve amplifier (11) is arranged between the PLC controller (3) and the proportional control valve (9), the analog output end of the PLC controller (3) is connected with the input end of the proportional valve amplifier (11), and the output end of the proportional valve amplifier (11) is connected with the coil of the proportional control valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222204925.0U CN218201271U (en) | 2022-08-22 | 2022-08-22 | Control device for flattening roller proportional valve of aluminum foil coiling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222204925.0U CN218201271U (en) | 2022-08-22 | 2022-08-22 | Control device for flattening roller proportional valve of aluminum foil coiling machine |
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| Publication Number | Publication Date |
|---|---|
| CN218201271U true CN218201271U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222204925.0U Active CN218201271U (en) | 2022-08-22 | 2022-08-22 | Control device for flattening roller proportional valve of aluminum foil coiling machine |
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| Country | Link |
|---|---|
| CN (1) | CN218201271U (en) |
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2022
- 2022-08-22 CN CN202222204925.0U patent/CN218201271U/en active Active
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