CN201605055U - Flexible material tension control unit - Google Patents
Flexible material tension control unit Download PDFInfo
- Publication number
- CN201605055U CN201605055U CN2010200027618U CN201020002761U CN201605055U CN 201605055 U CN201605055 U CN 201605055U CN 2010200027618 U CN2010200027618 U CN 2010200027618U CN 201020002761 U CN201020002761 U CN 201020002761U CN 201605055 U CN201605055 U CN 201605055U
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- CN
- China
- Prior art keywords
- rotating shaft
- bull wheel
- steamboat
- control unit
- flexible 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 - Lifetime
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- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The utility model discloses a flexible material tension control unit, which comprises an air cylinder, a rotating shaft, a bull wheel, a truckle, a potentionmeter, an energy accumulator, a pressure regulating valve and a control system, wherein the bull wheel and the truckle are respectively arranged at the two ends of the rotating shaft, the energy accumulator and the pressure regulating valve are sequentially installed on an air inlet pipe at the air inlet of the air cylinder, the piston rod of the air cylinder is connected with a first steel wire rope, the steel wire rope is wounded on the slot of the truckle and the end head thereof is fixed with the truckle, a second steel wire rope is wounded on the slot of the bull wheel, one end of the second steel wire rope is fixed with the bull wheel, and the other end thereof is fixed with a driven carrier roller; and the potentionmeter can feed back the collected electrical signal to the control system and is controlled by the control system to regulate the rotating speed of an unwinding motor. The utility model can effectively keep equipment to change and receive materials under a high speed operation state with the operating speed larger than 300m/min, and the tension of the material can be kept unchanged under acceleration and deceleration or constant speed. The air pressure controls the tension, and the utility model has simple structure, low cost, stable tension and convenient adjustment and maintenance.
Description
Technical field
The utility model relates to the control setup that the permanent tension force of control flexible web unreels on the disposable daily necessities automatic production line.
Background technology
On the automatic production line of disposable daily necessities, produce the various flexible raw MAT'L of product, every kind all is equipped with two volumes, a wherein volume utilization, another volume is standby, and two insulating material alternately useds are in the raw MAT'L utilization process, it is constant requiring the tension force (being stretch ratio) of material, the tension force when this just needs control material to carry on equipment.At present, generally adopt the method for Tension Control roughly to have: 1, oscillating rod type storing, but this mode storing is limited, is difficult to adapt to the high-speed cruising of equipment during the changing-over material, can not realize switching at a high speed volume; 2, the tension force of weight gravity control material, but be subjected to The Effect of Inertia Force, equipment in operational process, the material easy fracture; 3, servomotor control storing tension force, but system complex, cost is too high.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of tension control unit of flexible material, and it is simple in structure, low cost of manufacture, equipment is at various states (the changing-over material of high-speed cruising, acceleration and deceleration, constant-speed operation) under, can effectively keep the constant tension of material constant.
The technical solution of the utility model is as follows: a kind of tension control unit of flexible material, comprise cylinder, rotating shaft, bull wheel, steamboat, potential device, energy storage, pressure regulating valve and control system, described rotating shaft is installed on the wallboard, two ends in rotating shaft are equipped with bull wheel and steamboat respectively, are provided with race on the periphery of described bull wheel and steamboat; Energy storage and pressure regulating valve are housed on the admission line that described cylinder air inlet rises successively, on the piston rod of described cylinder, link first steel rope is arranged, this steel rope in the race of described steamboat and its termination and steamboat fix, be wound with second steel rope in the race of described bull wheel, one end and the bull wheel of this steel rope are fixed, and the other end and driven carrying roller are fixed; Axle head in described rotating shaft is connected with potential device, and this potential device can feed back to control system with the electric signal of collecting, and unreels rotating speed of motor by control system control, adjustment.
The utility model is pulled back by the piston rod of cylinder, make first steel rope give torque of steamboat all the time, torque is delivered on the bull wheel by rotating shaft, give reverse tension of driven carrying roller by bull wheel by second steel rope again, this tension force is controlled by energy storage compressed air air pressure, energy storage compressed air air pressure is to be mixed up in advance by pressure regulating valve, and energy storage can reduce, the air pressure of cushion gas pressing system impacts, the pressure of maintenance, equilibrium air pressure pipeline, thereby simple in structure, cost is low, adjusts easy to maintenance.When tension stability, tension force on the strip and cylinder action are tried hard to keep to maintain an equal level and are weighed, and when tension force changed, tension force and cylinder action equilibrium of forces were destroyed, rotating shaft is rotated, also change with the resistance of rotating shaft bonded assembly potential device, it feeds back to control system with electric signal, by control system output control signal, control, adjustment unreel motor speed, make driven carrying roller get back to equilibrium point, tension force on the strip and cylinder action power keep balance again, thereby effectively keep the constant tension of material constant.
Further, described cylinder is fixed on the wallboard by the cylinder support, and described energy storage and pressure regulating valve are fixed on the wallboard.
Further, be fixed with bearing seat on described wallboard, the bearing in this bearing seat supports described rotating shaft, and the two ends of rotating shaft are positioned at the both sides of described wallboard.
Further, described steamboat is fixed on the end of described rotating shaft by double-screw bolt, end cap and nut, and stretch out from nut the outer end of described double-screw bolt, is connected with described potential device by sleeve pipe on the external part of double-screw bolt.
Further, described potential device is installed on the potential device support, and this potential device support and described wallboard are fixed.
Further, for suitably reducing the cylinder stroke, the wheel bottom land of described bull wheel directly is 2~3 times of steamboat wheel bottom land footpath.
The beneficial effects of the utility model are: the equipment that can effectively guarantee is under the various states (changing-over material, acceleration and deceleration, constant-speed operation) of high-speed cruising, and the constant tension of material is constant; Air pressure control tension force, simple in structure, cost is low, tension stability; Adjust easy to maintenancely, operating cost is low.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A cutaway view (taking off steel rope) of Fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As depicted in figs. 1 and 2, the utility model is a kind of tension control unit of flexible material, comprises cylinder 1, rotating shaft 2, bull wheel 3, steamboat 4, potential device 5, energy storage 6, pressure regulating valve 7, first steel rope 8, second steel rope 9, wallboard 10, bearing seat 11, double-screw bolt 12, end cap 13, nut 14, sleeve pipe 15, cylinder support 16, potential device support 17 and control system.Wherein, rotating shaft 2 is installed on the wallboard 10 by bearing seat 11, and two bearings 11a is housed in the bearing seat 11, the bearing 11a supporting shaft 2 in this bearing seat 11, and wallboard 10 is passed in rotating shaft 2, and the two ends of rotating shaft 2 are positioned at the both sides of wallboard 10.Two ends in rotating shaft 2 are equipped with bull wheel 3 and steamboat 4 respectively by flat key, are provided with race on the periphery of bull wheel 3 and steamboat 4, and the wheel bottom land of bull wheel 3 directly is about steamboat 4 and takes turns 2.5 times of bottom land footpath.Below steamboat 4, be provided with cylinder 1, cylinder 1 is fixed on the wallboard 10 vertically by cylinder support 16, energy storage 6 and pressure regulating valve 7 are housed on the admission line of cylinder 1 successively, and energy storage 6 and pressure regulating valve 7 are fixed on the wallboard 10, and the admission port of this cylinder 1 links to each other with energy storage 6.Linking on the piston rod of cylinder 1 has first steel rope 8, this steel rope in the race of steamboat 4 and its termination fix with steamboat 4.Be wound with second steel rope 9 in the race of bull wheel 3, an end of this steel rope and bull wheel 3 are fixing, and the other end and driven carrying roller 18 are fixing.
As shown in Figure 2, bull wheel 3 is axially fixed in rotating shaft 2 one ends by bolt and end cap, steamboat 4 then is fixed on the other end of rotating shaft 2 by double-screw bolt 12, end cap 13 and nut 14, the inner end of double-screw bolt 12 screws in rotating shaft 2, then stretch out from nut 14 outer end, be connected with potential device 5 by sleeve pipe 15 on the external part of double-screw bolt 12, potential device 5 is installed on the potential device support 17, and this potential device support 17 is fixed with described wallboard 10.This potential device 5 can feed back to control system with the electric signal of collecting, and unreels rotating speed of motor by control system control, adjustment.
The utility model is work like this: the compressed-air actuated air pressure of adjusting cylinder 1 admission port end earlier by pressure regulating valve 7, pressurized air enters cylinder 1 through energy storage 6, promote the piston rod retraction of cylinder 1, first steel rope 8 that links to each other with piston rod is by drop-down, the torque that produces by steamboat 4 is delivered on the bull wheel 3 through rotating shaft 2, gives 18 1 reverse tensions of driven carrying roller by bull wheel 3 by second steel rope 9 again.When tension stability, tension force on the strip and cylinder action are tried hard to keep to maintain an equal level and are weighed, and when tension force changed, tension force and cylinder action equilibrium of forces were destroyed, rotating shaft is rotated, also change with the resistance of rotating shaft bonded assembly potential device, it feeds back to control system with electric signal, by control system output control signal, control, adjustment unreel motor speed, make driven carrying roller get back to equilibrium point, tension force on the strip and cylinder action power keep balance again, thereby effectively keep the constant tension of material constant.
Claims (6)
1. tension control unit of flexible material, it is characterized in that: comprise cylinder (1), rotating shaft (2), bull wheel (3), steamboat (4), potential device (5), energy storage (6), pressure regulating valve (7) and control system, described rotating shaft (2) is installed on the wallboard (10), bull wheel (3) and steamboat (4) are housed respectively at the two ends of rotating shaft (2), on the periphery of described bull wheel (3) and steamboat (4), are provided with race; Energy storage (6) and pressure regulating valve (7) are housed on the admission line that described cylinder (1) admission port rises successively, on the piston rod of described cylinder (1), link first steel rope (8) is arranged, this steel rope in the race of described steamboat (4) and its termination and steamboat (4) fixing, be wound with second steel rope (9) in the race of described bull wheel (3), one end of this steel rope and bull wheel (3) are fixing, and the other end and driven carrying roller (18) are fixing; Axle head in described rotating shaft (2) is connected with potential device (5), and this potential device (5) can feed back to control system with the electric signal of collecting, and unreels rotating speed of motor by control system control, adjustment.
2. a kind of tension control unit of flexible material according to claim 1 is characterized in that: described cylinder (1) is fixed on the wallboard (10) by cylinder support (16), and described energy storage (6) and pressure regulating valve (7) are fixed on the wallboard (10).
3. a kind of tension control unit of flexible material according to claim 1, it is characterized in that: on described wallboard (10), be fixed with bearing seat (11), bearing (11a) in this bearing seat (11) supports described rotating shaft (2), and the two ends of rotating shaft (2) are positioned at the both sides of described wallboard (10).
4. a kind of tension control unit of flexible material according to claim 1, it is characterized in that: described steamboat (4) is fixed on the end of described rotating shaft (2) by double-screw bolt (12), end cap (13) and nut (14), stretch out from nut (14) outer end of described double-screw bolt (12), is connected with described potential device (5) by sleeve pipe (15) on the external part of double-screw bolt (12).
5. according to claim 1 or 4 described a kind of tension control unit of flexible material, it is characterized in that: described potential device (5) is installed on the potential device support (17), and this potential device support (17) is fixing with described wallboard (10).
6. a kind of tension control unit of flexible material according to claim 1 is characterized in that: the wheel bottom land of described bull wheel (3) directly is 2~3 times of steamboat (4) wheel bottom land footpath.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010200027618U CN201605055U (en) | 2010-01-13 | 2010-01-13 | Flexible material tension control unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010200027618U CN201605055U (en) | 2010-01-13 | 2010-01-13 | Flexible material tension control unit |
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CN201605055U true CN201605055U (en) | 2010-10-13 |
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CN2010200027618U Expired - Lifetime CN201605055U (en) | 2010-01-13 | 2010-01-13 | Flexible material tension control unit |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101767729A (en) * | 2010-01-13 | 2010-07-07 | 福建培新机械制造实业有限公司 | Tension control unit of flexible material |
-
2010
- 2010-01-13 CN CN2010200027618U patent/CN201605055U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101767729A (en) * | 2010-01-13 | 2010-07-07 | 福建培新机械制造实业有限公司 | Tension control unit of flexible material |
CN101767729B (en) * | 2010-01-13 | 2014-02-05 | 福建培新机械制造实业有限公司 | Tension control unit of flexible material |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20101013 Effective date of abandoning: 20100113 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20101013 Effective date of abandoning: 20100113 |
|
RGAV | Abandon patent right to avoid regrant | ||
DD01 | Delivery of document by public notice |
Addressee: Xie Qiulin Document name: Notification of Passing Examination on Formalities |
|
DD01 | Delivery of document by public notice |