CN201616031U - Coiled material tension measuring and controlling experimental device - Google Patents

Coiled material tension measuring and controlling experimental device Download PDF

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Publication number
CN201616031U
CN201616031U CN2010201403327U CN201020140332U CN201616031U CN 201616031 U CN201616031 U CN 201616031U CN 2010201403327 U CN2010201403327 U CN 2010201403327U CN 201020140332 U CN201020140332 U CN 201020140332U CN 201616031 U CN201616031 U CN 201616031U
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CN
China
Prior art keywords
tension
unwinding
rolling
controller
coiled material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010201403327U
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Chinese (zh)
Inventor
杨劲松
张涛
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Changzhou Vocational Institute of Light Industry
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Changzhou Vocational Institute of Light Industry
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Priority to CN2010201403327U priority Critical patent/CN201616031U/en
Application granted granted Critical
Publication of CN201616031U publication Critical patent/CN201616031U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a coiled material tension measuring and controlling experimental device, which comprises a left frame and a right frame which are capable of longitudinally moving, and a middle frame arranged between the left frame and the right frame. An unwinding roller is arranged on the left frame, a winding roller is arranged on the right frame, a pull roller is arranged on the middle frame, and the winding roller and the pull roller are respectively driven by an alternating-current motor and a direct-current motor. The experimental device further includes an unwinding tension controller for controlling unwinding tension, and a winding tension controller for controlling winding tension, the unwinding tension controller and the winding tension controller are respectively connected with a PLC controller via lines, the unwinding tension controller is connected with a magnetic powder brake capable of adjusting rotation torque of the unwinding roller via a line, the magnetic powder brake is in transmission connection with the unwinding roller, and the winding tension controller is in line connection with a direct-current speed regulator capable of regulating rotation sped of the direct-current motor. The coiled material tension measuring and controlling experimental device resolves the problem of singleness of conventional tension control method and can completely meet needs of teacher teaching and student experiments.

Description

Coiled material tension measure and control experimental provision
Technical field
The utility model relates to material tension control technology field, especially a kind of coiled material tension measure and control experimental provision.
Background technology
Tension Control more generally, will be controlled the power that keeps object to elongate mutually or tighten when batching object exactly.Current in light industry industries such as the most widely used fiber of tension force technology, papermaking, plastic sheeting, electric wire, printed matter and tape, the Tension Control when band or wire rod unwinding and rewinding plays crucial effects to product quality.On numerous light industry and machinery equipment, as cutting machine, printing machine, compounding machine etc. in the web-handled process, i.e. rolling and unreeling in the process, drum diameter is in variable condition, diameter variation can cause the variation of tension force, and tension force is too little, and lax easily generation of coiled material drifted about; Therefore tension force is too big, then can cause coiled material surface wrinkling even fracture again, in rolling and the process that unreels, keeps constant tension force most important to product.Control method commonly used has PID control, DC MOTOR CONTROL, AC frequency conversion control and servocontrol etc. in enterprise produces at present, but these controls generally all are to adopt single control method, perhaps certain several method is in conjunction with controlling, various control devices are not merged and use, thereby be difficult to satisfy the needs of teachers ' teaching, student experimenting.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiency in the prior art, a kind of coiled material tension measure and control experimental provision is provided, to solve the comparatively single problem of present tension control method, satisfy the needs of teaching, experiment.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of coiled material tension measure and control experimental provision, comprise the left frame and the right frame that can vertically move and be located at left frame and right frame between intermediate stand, left frame is provided with let off roll, right frame is provided with wind-up roll, intermediate stand is provided with carry-over pinch rolls, wind-up roll and carry-over pinch rolls drive by alternating current generator and direct current generator respectively and rotate, the utility model also comprises the rolling tension controller that is used to control the unwinding tension controller of unwinding tension and is used to control rolling tension force, the unwinding tension controller is connected the PLC controller with rolling tension controller difference circuit, the unwinding tension controller line is connected with the magnetic powder brake of scalable let off roll rotating torque, magnetic powder brake and let off roll are in transmission connection, and rolling tension controller circuit is connected with the DC speed regulator of scalable dc motor speed.
Tension variation when unreeling with rolling for accurately measuring, described carry-over pinch rolls both sides are respectively arranged with unwinding tension sensor and rolling tension pick-up, the unwinding tension sensor is transferred to the unwinding tension controller with measured signal, and the rolling tension pick-up is transferred to the rolling tension controller with measured signal.
For prevent coiled material unreel with wrapup procedure in produce vertical misalignment, described let off roll one side is provided with and unreels deviation correcting device, wind-up roll one side is provided with the rolling deviation correcting device, unreel deviation correcting device and rolling deviation correcting device respectively circuit be connected the PLC controller.
Further, the described deviation correcting device that unreels comprises pneumatic spy limit device and can promote the hydraulic jack that left frame moves that the rolling deviation correcting device comprises photoelectricity spy limit device and can promote the screw mandrel that right frame moves that screw mandrel is by the servomotor driven rotary.
Be the convenient carry-over pinch rolls rotating speed of regulating, described alternating current generator circuit is connected with frequency converter, and frequency converter connects the PLC controller.
Also be provided with transition roller on described left frame, right frame and the intermediate stand.
The beneficial effects of the utility model are: the utility model integrates PID control, DC MOTOR CONTROL, AC frequency conversion control and servocontrol etc., various control devices are incorporated in the coiled material tension measure and control process, changed the comparatively single situation of present tension control method, realized the Digital Control of tension test, observing and controlling is respond well, has satisfied the demand of teachers ' teaching and student experimenting.
Description of drawings
Below in conjunction with drawings and embodiments the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is electric control theory figure of the present utility model.
1. left frames, 2. right frame 3. intermediate stands 4. let off roll 5. wind-up rolls 6. carry-over pinch rolls 7. alternating current generators 8. direct current generators 9. magnetic powder brakes 10. unwinding tension sensors 11. rolling tension pick-ups 12. unreel deviation correcting device 121. pneumatic spy limit devices 122. hydraulic jacks 13. rolling deviation correcting devices 131. photoelectricity and visit limit device 132. screw mandrels 133. servomotors 14. transition rollers 15. fixed heads 16. slide rails 17. pulleys among the figure
Embodiment.
In conjunction with the accompanying drawings the utility model is further described now.The synoptic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, so it only shows the formation relevant with the utility model.
A kind of coiled material tension measure and control experimental provision as shown in Figure 1, comprise left frame 1 and right frame 2 and be located at left frame 1 and right frame 2 between intermediate stand 3, be equipped with fixed head 15 below left frame 1 and the right frame 2, fixed head 15 is provided with slide rail 16, left frame 1 and right frame 2 can vertically move on slide rail 16 by pulley 17, left frame 1 is provided with let off roll 4, right frame 2 is provided with wind-up roll 5, intermediate stand 3 is provided with carry-over pinch rolls 6, between let off roll 4 and the carry-over pinch rolls 6, be respectively equipped with several transition rollers 14 between carry-over pinch rolls 6 and the wind-up roll 5, transition roller 14 is located at left frame 1 respectively, on intermediate stand 3 and the right frame 2, the right frame 2 of wind-up roll 5 belows is provided with and drives the direct current generator 8 that wind-up roll 5 rotates, direct current generator 8 is in transmission connection with the transmission shaft of wind-up roll 5, the intermediate stand 3 of carry-over pinch rolls 6 belows is provided with and drives the alternating current generator 7 that carry-over pinch rolls 6 rotate, alternating current generator 7 is in transmission connection with the transmission shaft of carry-over pinch rolls 6, the mode of being in transmission connection of this device is chain drive, alternating current generator 7 is gone back circuit and is connected with frequency converter, be positioned at carry-over pinch rolls 6 both sides on the intermediate stand 3 and be respectively equipped with unwinding tension sensor 10 and rolling tension pick-up 11, be connected with the magnetic powder brake 9 of scalable let off roll 4 rotating torques on the rotation axis of let off roll 4, direct current generator 8 circuits are connected with the DC speed regulator of scalable direct current generator 8 rotating speeds.
Control comprehensively and effectively for realizing tension force, this device also comprises a cover electric control system, as shown in Figure 2 be electric control theory figure of the present utility model, control system comprises the PLC controller of a FXS2N series, the PLC controller line is connected with the unwinding tension controller, the rolling tension controller, the unwinding tension controller is connected with magnetic powder brake 9 circuits, the rolling tension controller is connected with the DC speed regulator circuit, PLC controller also circuit is connected with the host computer that can intuitively reflect numerical value that system surveys, frequency converter also is connected with the PLC controller line, unwinding tension sensor 10 is transferred to the unwinding tension controller with institute's measuring volume tension signal, rolling tension pick-up 11 is surveyed the rolling tension signal with institute and is transferred to the rolling tension controller, the current unwinding tension of being surveyed when unwinding tension sensor 10 too hour, through the tension value of the processing unit of unwinding tension controller and default relatively after, automatically improve the given voltage of stabilized current supply, the output current of stabilized current supply is increased, thereby strengthen the braking moment on the magnetic powder brake 9, under the traction of carry-over pinch rolls 6, the section of unreeling tension force is increased, otherwise, when unwinding tension is too big, can reduce given voltage, braking moment be reduced and tension force is descended; The tension force of the current rolling section of being surveyed when rolling tension pick-up 11 too hour, after rolling tension controller processing unit processes, increase the voltage that flows to DC speed regulator, the output voltage of corresponding DC speed regulator also increases, the synchronization of direct current generator 8 improves, thereby coiled material is tightened up, and rolling tension force improves, otherwise, when rolling tension force is too big, then reduce the voltage flow to DC speed regulator, reduce the rotating speed of direct current generator 8 synchronously, coiled material is loosened and reduce rolling tension force.
Because vertical misalignment takes place at wrapup procedure in coiled material easily, for in time detecting shift phenomenon and correcting, be provided with in let off roll 4 one sides and unreel deviation correcting device 12, wind-up roll 5 one sides are provided with rolling deviation correcting device 13, unreel deviation correcting device 12 and are connected the PLC controller with rolling deviation correcting device 13 difference circuits.Wherein unreeling deviation correcting device 12 comprises pneumatic spy limit device 121 and can promote the hydraulic jack 122 that left frame 1 moves, rolling deviation correcting device 13 comprises photoelectricity spy limit device 131 and can promote the screw mandrel 132 that right frame 2 moves that screw mandrel 132 is by servomotor 133 driven rotary.When vertical misalignment takes place in the section of unreeling, pneumatic spy limit device 121 the off-set value of surveying after the PLC controller is handled, the PLC controller sends instruction, and hydraulic jack 122 is started, and promotes left frame 1 and moves a certain distance, and is offset to correct; When rolling section generation skew situation, photoelectricity is visited limit device 131 measured signal is transferred to the PLC controller, and after the processing, the PLC controller sends instruction, and servomotor 133 starts, and by screw mandrel 132 effects right frame 2 is moved a certain distance, to correct skew.
The utility model is bound organically in one with PID control, DC MOTOR CONTROL, AC frequency conversion control and servocontrol etc., various control devices are incorporated in this experimental provision, the needs of teaching and experiment have been satisfied, the utility model has been realized Digital Control in all directions, by host computer the PLC controller is carried out on-line automatic adjustment, but and on-site data gathering, on-site supervision and parameter setting, being convenient to operating personnel uses, experimental result can compare analysis with simulation result, can verify tension system modeling technique and Tension Control precision.
The foregoing description only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; all equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims (6)

1. coiled material tension measure and control experimental provision, comprise the left frame (1) and the right frame (2) that can vertically move and be located at left frame (1) and right frame (2) between intermediate stand (3), left frame (1) is provided with let off roll (4), right frame (2) is provided with wind-up roll (5), intermediate stand (3) is provided with carry-over pinch rolls (6), wind-up roll (5) and carry-over pinch rolls (6) drive by alternating current generator (7) and direct current generator (8) respectively and rotate, it is characterized in that: also comprise the rolling tension controller that is used to control the unwinding tension controller of unwinding tension and is used to control rolling tension force, the unwinding tension controller is connected the PLC controller with rolling tension controller difference circuit, the unwinding tension controller line is connected with the magnetic powder brake (9) of scalable let off roll (4) rotating torque, magnetic powder brake (9) is in transmission connection with let off roll (4), and rolling tension controller circuit is connected with the DC speed regulator of scalable direct current generator (8) rotating speed.
2. coiled material tension measure and control experimental provision according to claim 1, it is characterized in that: described carry-over pinch rolls (6) both sides are respectively arranged with unwinding tension sensor (10) and rolling tension pick-up (11), unwinding tension sensor (10) is transferred to the unwinding tension controller with measured signal, and rolling tension pick-up (11) is transferred to the rolling tension controller with measured signal.
3. coiled material tension measure and control experimental provision according to claim 1, it is characterized in that: described let off roll (4) one sides are provided with and unreel deviation correcting device (12), wind-up roll (5) one sides are provided with rolling deviation correcting device (13), unreel deviation correcting device (12) and are connected the PLC controller with rolling deviation correcting device (13) difference circuit.
4. coiled material tension measure and control experimental provision according to claim 3, it is characterized in that: the described deviation correcting device (12) that unreels comprises pneumatic spy limit device (121) and can promote the hydraulic jack (122) that left frame (1) moves, rolling deviation correcting device (13) comprises photoelectricity spy limit device (131) and can promote the screw mandrel (132) that right frame (2) moves that screw mandrel (132) is by servomotor (133) driven rotary.
5. coiled material tension measure and control experimental provision according to claim 1 is characterized in that: described alternating current generator (7) circuit is connected with frequency converter, and frequency converter connects the PLC controller.
6. coiled material tension measure and control experimental provision according to claim 1 is characterized in that: also be provided with transition roller (14) on described left frame (1), right frame (2) and the intermediate stand (3).
CN2010201403327U 2010-03-24 2010-03-24 Coiled material tension measuring and controlling experimental device Expired - Fee Related CN201616031U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201403327U CN201616031U (en) 2010-03-24 2010-03-24 Coiled material tension measuring and controlling experimental device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201403327U CN201616031U (en) 2010-03-24 2010-03-24 Coiled material tension measuring and controlling experimental device

Publications (1)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102408033A (en) * 2011-11-28 2012-04-11 南京工业职业技术学院 Automatic constant tension force winding training teaching device
CN102674064A (en) * 2012-05-21 2012-09-19 东莞市华立实业股份有限公司 Automatic cutting device for thick edge sealing strip
CN103241575A (en) * 2013-05-29 2013-08-14 四川大学 Automatic-deviation-rectification, constant-speed and constant-tension rewinding machine
CN105035824A (en) * 2015-05-28 2015-11-11 欣龙控股(集团)股份有限公司 Movable unwinding-tension control system with slitting breadth of 3.5m for slitting machine
CN106698054A (en) * 2016-11-17 2017-05-24 珠海格力电器股份有限公司 Film roll cutting device and control method thereof
CN107098193A (en) * 2017-05-22 2017-08-29 东华大学 A kind of knitted fabric winding tension controls experimental provision
CN108824043A (en) * 2018-06-29 2018-11-16 西北有色金属研究院 A kind of metal filament doubling twisting equipment of low abrasion

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102408033A (en) * 2011-11-28 2012-04-11 南京工业职业技术学院 Automatic constant tension force winding training teaching device
CN102674064A (en) * 2012-05-21 2012-09-19 东莞市华立实业股份有限公司 Automatic cutting device for thick edge sealing strip
CN103241575A (en) * 2013-05-29 2013-08-14 四川大学 Automatic-deviation-rectification, constant-speed and constant-tension rewinding machine
CN103241575B (en) * 2013-05-29 2015-12-02 四川大学 Automatic deviation correction constant speed identical tension rewinding machine
CN105035824A (en) * 2015-05-28 2015-11-11 欣龙控股(集团)股份有限公司 Movable unwinding-tension control system with slitting breadth of 3.5m for slitting machine
CN105035824B (en) * 2015-05-28 2017-06-06 欣龙控股(集团)股份有限公司 A kind of 3.5 meters of cutting machine reeling-off tension control systems of movable type
CN106698054A (en) * 2016-11-17 2017-05-24 珠海格力电器股份有限公司 Film roll cutting device and control method thereof
CN107098193A (en) * 2017-05-22 2017-08-29 东华大学 A kind of knitted fabric winding tension controls experimental provision
CN108824043A (en) * 2018-06-29 2018-11-16 西北有色金属研究院 A kind of metal filament doubling twisting equipment of low abrasion

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101027

Termination date: 20130324