CN208103576U - Adjustable twin-roll Thread-feeding device - Google Patents

Adjustable twin-roll Thread-feeding device Download PDF

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Publication number
CN208103576U
CN208103576U CN201820529952.6U CN201820529952U CN208103576U CN 208103576 U CN208103576 U CN 208103576U CN 201820529952 U CN201820529952 U CN 201820529952U CN 208103576 U CN208103576 U CN 208103576U
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yarn
feeding device
roller
twin
described time
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CN201820529952.6U
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Inventor
章立军
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Ningbo Hang Cheng Electronic Technology Co Ltd
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Ningbo Hang Cheng Electronic Technology Co Ltd
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Abstract

The utility model discloses a kind of adjustable twin-roll Thread-feeding devices, for conveying the yarn of pre-tension.The twin-roll Thread-feeding device includes frame body, the first roller and second tin roller.The yarn is coiled in the outer surface of the first roller and second tin roller, and along the tangential outside output of the first roller.Thread-feeding device further includes back yarn feeding device, and the yarn between the first roller and second tin roller passes through back yarn feeding device and with yarn feeding device movement is returned, and the tensile force that time yarn feeding device acts on yarn is adjustable.When the yarn is mobile and is tensioned to first roller and the second tin roller, the yarn pushes described time yarn feeding device to be defined on the moving direction of yarn.When the yarn stops moving, and first roller and/or the second tin roller roll, described time yarn feeding device rotates and lifts yarn, to change the cornerite angle of yarn and the first roller and second tin roller.It is steady that it has the characteristics that yarn conveys.

Description

Adjustable twin-roll Thread-feeding device
Technical field
The present invention relates to textile technology fields, more particularly, to a kind of adjustable twin-roll Thread-feeding device.
Background technique
Twin-roll Thread-feeding device is used to yarn being conveyed into knitting zone as requested, can control yarn by twin-roll Thread-feeding device Length keeps yarn conveyance tension consistent, so that braided fabric be made to meet production requirement.
Twin-roll Thread-feeding device in use, yarn tool there are two working condition:Persistently mobile and yarn stops moving yarn It is dynamic.When yarn persistent movement, yarn is able to maintain preset tensile force.When yarn stop motion, and when roller continues to rotate, yarn Friction can be generated between line and roller and is broken, or with the movement of roller, the tensile force of yarn reduces and extends, and makes yarn The coil of wire is wound on the whole surface of roller and occurs rolling up yarn problem, influences the normal operation of equipment, it is therefore necessary to be improved.
Summary of the invention
In view of the deficiency of the prior art, the object of the present invention is to provide a kind of adjustable twin-roll Thread-feeding device, It is steady that it has the characteristics that yarn conveys.
To achieve the goals above, the technical scheme adopted by the invention is that:
First aspect disclosed by the invention:A kind of twin-roll Thread-feeding device is provided, for conveying the yarn of pre-tension, The twin-roll Thread-feeding device includes frame body, the first roller and second tin roller for being pivotally mounted to the frame body, first rolling Cylinder is parallel to each other with the second tin roller, and the yarn is coiled in the outer surface of first roller and the second tin roller, And along the tangential outside output of first roller, the Thread-feeding device further includes time yarn dress for being pivotally mounted to the frame body It sets, the yarn between first roller and the second tin roller is across described time yarn feeding device and mobile with described time yarn feeding device, The tensile force that described time yarn feeding device acts on the yarn is adjustable;
When the yarn is mobile and is tensioned to first roller and the second tin roller, the yarn described will return yarn Device is pushed to be defined on the moving direction of yarn;When the yarn stops movement, first roller and/or described second When rollers roll, described time yarn feeding device rotates and lifts the yarn, to change yarn and first roller and the second rolling The cornerite angle of cylinder.
Optionally, described time yarn feeding device is lifted the yarn by being self-possessed, and described time yarn feeding device acts on the yarn The tensile force of line is adjustable.
Optionally, the contact site of described time yarn feeding device and the yarn is to be slidably connected.
Optionally, described time yarn feeding device is sheathed on the second tin roller to outside the yarn of the first roller outbound course.
Optionally, described time yarn feeding device is pivotally mounted on the frame body of the second tin roller side.
Optionally, described time yarn feeding device includes the rotation main body for being pivotally mounted to the frame body, is fixedly arranged on rotation main body The extension arm of side and the adjustment portion for being fixedly arranged on the rotation main body other side, the center of gravity of the center of gravity of the adjustment portion and the extension arm The two sides of the rotation main body are located at, the torque of the adjustment portion is greater than the torque of the extension arm, and the yarn passes through The extension arm.
Optionally, the adjustment portion includes that the screw rod part for being fixed on the rotation main body and spiral are connected to the screw rod part Clump weight, the clump weight moves on the screw rod part, for adjusting the torque of the adjustment portion.
Optionally, described time yarn feeding device further includes the rolling ring for being installed on the extension arm end, and the rolling ring is arranged In outside the yarn.
Optionally, the frame body includes rack, the first lead frame and the second lead frame, first roller, described second Roller and described time yarn feeding device are installed in the rack, and first lead frame and the second lead frame are located at described first The two sides of roller, the yarn is wound to first roller through the first lead frame, and is exported outward by the second lead frame.
Optionally, the rack is equipped with position-limit mechanism, and the position-limit mechanism is used to limit the rotation model for returning yarn feeding device It encloses.
After adopting the above structure, the invention has the advantages that compared with the prior art,:
In the case where yarn is kept in motion, returns yarn feeding device and pushed under the tensile force effect of yarn, improve yarn and first The cornerite angle and coefficient of friction of roller and second tin roller.In the case where yarn remains static, return yarn feeding device by yarn lift with Yarn is set to be in tensile force state.It returns yarn feeding device to rotate around frame body, returns end and the first roller and the second tin roller structure of yarn feeding device At three-legged structure, it extended yarn can will be tensioned because of the first roller and second tin roller rotation, and avoid the problem that volume yarn appearance.Together When, it returns after yarn feeding device lifts yarn, can improve the cornerite angle of yarn and the first roller and second tin roller, reduction yarn and the The coefficient of friction of one roller and second tin roller, avoids yarn from disconnecting.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the use structural schematic diagram of twin-roll Thread-feeding device in the present invention;
Fig. 2 is the structural schematic diagram that yarn feeding device pressed status is returned in the present invention;
Fig. 3 is the structural schematic diagram for returning yarn feeding device in the present invention and lifting yarn conditions.
In figure:Frame body 10;Rack 11;First lead frame 12;Second lead frame 13;Position-limit mechanism 14;First roller 20;The Two rollers 30;Yarn 40;Return yarn feeding device 50;Extension arm 51;Rolling ring 52;Rotate main body 53;Adjustment portion 54;Screw rod part 541;Match Pouring weight 542.
Specific embodiment
As described below is only presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention.
Embodiment, as shown in Fig. 1 to Fig. 3:Adjustable twin-roll Thread-feeding device is installed on lathe, for pre- to lathe conveying If the yarn 40 of tensile force.Twin-roll Thread-feeding device includes frame body 10, the first roller 20 and second for being pivotally mounted to frame body 10 Roller 30, the first roller 20 and second tin roller 30 are parallel to each other.Optionally, the outer diameter phase of the first roller 20 and second tin roller 30 Deng.First roller 20 driven by the power mechanism can be rotated with second tin roller 30, to drive yarn 40 to rotate.Optionally, exist First roller 20 with can rolling threads 40 simultaneously on second tin roller 30.Each one thread is independently arranged, and independent mobile, phase Setting is spaced between adjacent yarn.
Yarn 40 is coiled in the outer surface of the first roller 20 and second tin roller 30, and along the tangential outside of the first roller 20 Output.Yarn 40 is a continuous flexible lines, enters from the first side of the first roller 20 and fits in the first roller 20 Partial outer face.Yarn 40 to second tin roller 30 and fits in the side table of second tin roller 30 along the tangentially extending of the first roller 20 Face, wherein mobile yarn 40 is input side yarn from the first roller 20 to second tin roller 30.Yarn 40 is again along second tin roller 30 it is tangentially extending to the first roller 20, and tangentially exported along the first roller 20.Wherein, from second tin roller 30 to the first rolling The mobile yarn 40 of cylinder 20 is outlet side yarn.
Optionally, frame body 10 includes rack 11, the first lead frame 12 and the second lead frame 13, the first lead frame 12 and second Lead frame 13 is used for across yarn 40 and guides yarn 40 mobile to preset direction.First roller 20, second tin roller 30 and time yarn Device 50 is installed in rack 11, and the first lead frame 12 and the second lead frame 13 are located at the two sides of the first roller 20.Yarn 40 input side yarn is wound to the first roller 20 through the first lead frame 12, and outlet side yarn is defeated outward by the second lead frame 13 Out.
Thread-feeding device further includes time yarn feeding device 50 for being pivotally mounted to frame body 10, between the first roller 20 and second tin roller 30 Yarn 40 pass through back yarn feeding device 50 and mobile with yarn feeding device 50 is returned, wherein return the tensile force that yarn feeding device 50 acts on yarn 40 It is adjustable.Cornerite angle and frictional force that yarn feeding device 50 is used to adjust yarn 40 are returned, when yarn 40 is mobile and is tensioned to the first roller 20 with second tin roller 30 when, yarn 40 will return yarn feeding device 50 and push, so as to return the moving direction that yarn feeding device 50 is defined in yarn 40 On.For example, yarn 40 is horizontally oriented when moving, then returns yarn feeding device 50 and 40 contact site of yarn is also at horizontal position It sets.When yarn 40 stops moving, when the first roller 20 and/or second tin roller 30 roll, 40 device of yarn rotation and by yarn 40 It lifts, to change the cornerite angle of yarn 40 and the first roller 20 and second tin roller 30.
In the case where yarn 40 is kept in motion, returns yarn feeding device 50 and pushed under the tensile force effect of yarn 40, improve yarn 40 and first roller 20 and second tin roller 30 cornerite angle and coefficient of friction.In the case where yarn 40 remains static, yarn dress is returned It sets 50 rotations and lifts yarn 40, so that yarn 40 is in tensile force state.Yarn 40 is acted on due to returning yarn feeding device 50 Tensile force is adjustable, is applicable to different yarns 40 and processes, while tensile force is easy to adjust.Yarn feeding device 50 is returned around 10 turns of frame body Dynamic, the end and the first roller 20 and second tin roller 30 for returning yarn feeding device 50 constitute three-legged structure, can will be because of the first roller 20 and the Two rollers 30 rotate and extended yarn 40 is tensioned, and avoid the problem that volume yarn appearance.Meanwhile after returning the rotation of yarn feeding device 50, it can change The cornerite angle of kind yarn 40 and the first roller 20 and second tin roller 30, reduces yarn 40 and the first roller 20 and second tin roller 30 Coefficient of friction, avoid yarn 40 disconnect.
It returns yarn feeding device 50 to be pivotally mounted in rack 11, such as returns yarn feeding device 50 by power mechanism and drive rotation, so that It is rotated by desired guiding trajectory.Or wherein an one thread 40 stops movement, and other yarns 40 continue to move to, correspondingly, Mei Yigen Yarn 40 is all provided with yarn feeding device 50 once.Yarn feeding device 50 is returned corresponding to the yarn 40 of movement is in pressed status, and stop Yarn feeding device 50 is returned corresponding to yarn 40 is in the state for lifting yarn 40.Returning yarn feeding device 50 can also be by Gravitative Loads in yarn On 40, that is, return yarn feeding device 50 by self weight yarn 40 is lifted, and return yarn feeding device 50 act on yarn 40 tensile force it is adjustable.
The length of yarn 40 extends under the rotary action of the first roller 20 and second tin roller 30, returns yarn feeding device 50 and passes through certainly Respective angles are rotated again and lift yarn 40, so that yarn 40 is able to maintain corresponding tensile force.It returns yarn feeding device 50 and passes through yarn 40 tensile force keeps pressed status, further through Gravitative Loads on yarn 40, is stopped after moving with eliminating yarn 40 first 40 prolongation of yarn caused by roller 20 and second tin roller 30 continue to rotate.First roller 20, returns yarn feeding device at second tin roller 30 50 end is in three-legged structure, and is increased with the extension of yarn 40.The end of yarn feeding device 50 is gone back to the extension for setting yarn 40 And be lifted up, correspondingly, the cornerite angulation change of yarn 40 and the first roller 20 and second tin roller 30 lowers yarn 40 and the The contact area of one roller 20 and second tin roller 30, frictional force lower, and avoid broken yarn problem.
Yarn 40 is mobile with yarn feeding device 50 is returned, and optionally, the contact site for returning yarn feeding device 50 and yarn 40 is to be slidably connected. Yarn 40 and the friction returned between yarn feeding device 50 are sliding friction.
Include the rotation main body 53 for being pivotally mounted to frame body 10, be fixedly arranged on rotation main body 53 1 for example, returning yarn feeding device 50 The extension arm 51 of side and the adjustment portion 54 for being fixedly arranged on rotation 53 other side of main body.The center of gravity of adjustment portion 54 and the center of gravity of extension arm 51 The two sides of rotation main body 53 are located at, the torque of adjustment portion 54 is greater than the torque of extension arm 51, and yarn passes through extension arm 51.It adjusts The torque in section portion 54 is consistently greater than the torque of extension arm 51, keeps becoming to what 54 side of adjustment portion rotated so that returning yarn feeding device 50 Gesture.The tensile force of yarn 40 is acted on to pull back yarn feeding device 50 to push on extension arm 51, and after yarn 40 eliminates tensile force With being lifted on extension arm 51.Tensile force state is remained between yarn 40 and the first roller 20 and second tin roller 30, avoids volume yarn And the problem that frictional force is excessive.
The torque of adjustment portion 54 is adjustable, and optionally, adjustment portion 54 includes the screw rod part 541 and spiral shell for being fixed on rotation main body 53 Rotation is connected to the clump weight 542 of screw rod part 541.Clump weight 542 is threadedly coupled with screw rod part 541, and clump weight 542 is in screw rod part It is moved on 541, for adjusting the torque of adjustment portion 54.Further, the weight-adjustable of clump weight 542, to improve back yarn feeding device 50 torque adjusts efficiency.The size of clump weight 542 is such as replaced, the different medium of density is added to adjust the weight of clump weight 542 Amount etc..
When yarn 40 and the friction returned between yarn feeding device 50 are rolling friction, returning yarn feeding device 50 further includes being installed on extension The rolling ring 52 of 51 end of arm, rolling ring 52 are sheathed on outside yarn 40.
It returns yarn feeding device 50 and is sheathed on second tin roller 30 to outside the yarn 40 of 20 outbound course of the first roller.Yarn feeding device will be returned 50 are sheathed on outlet side yarn, and to solving, volume yarn Resolving probiems effect is obvious.Also, outlet side yarn is set to the first rolling Yarn feeding device 50 when so that the extension value that is lifted up of outlet side yarn is larger, is returned with enough rotation spaces in the top of cylinder 20. Optionally, it returns yarn feeding device 50 to be pivotally mounted on the frame body 10 of 30 side of second tin roller, improves the range of strain of yarn 40, turn It is dynamic more smooth.
Rack 11 is equipped with position-limit mechanism 14, and position-limit mechanism 14 is used to limit back the slewing area of yarn feeding device 50.Return yarn feeding device 50 are pivotally mounted in rack 11, and position-limit mechanism 14 can be set as the column and block-shaped protrusion of protrusion.Wherein, position-limit mechanism 14 wraps Upper limit is included, upper limit is for adjusting back the peak that yarn feeding device 50 is lifted by yarn 40.Optionally, position-limit mechanism 14 further includes Lower limit, lower limit is for adjusting the limiting value that Hui Sha mechanism rotates under Gravitative Loads.
Twin-roll Thread-feeding device is widely used at present, and other structures and principle are same as the prior art, and which is not described herein again.

Claims (10)

1. a kind of adjustable twin-roll Thread-feeding device, for conveying the yarn of pre-tension, which is characterized in that the twin-roll is defeated Yarn device includes frame body, the first roller and second tin roller for being pivotally mounted to the frame body, first roller and described second Roller is parallel to each other, and the yarn is coiled in the outer surface of first roller and the second tin roller, and along described first The tangential outside output of roller, the Thread-feeding device further include the yarn feeding device that returns for being pivotally mounted to the frame body, first rolling Yarn between cylinder and the second tin roller passes through described time yarn feeding device and with described time yarn feeding device movement, and described time yarn feeding device is made Tensile force for the yarn is adjustable;
When the yarn is mobile and is tensioned to first roller and the second tin roller, the yarn described will return yarn feeding device It pushes to be defined on the moving direction of yarn;When the yarn stops movement, first roller and/or the second tin roller When rolling, described time yarn feeding device, which rotates, simultaneously lifts the yarn, to change yarn and first roller and second tin roller Cornerite angle.
2. twin-roll Thread-feeding device according to claim 1, which is characterized in that described time yarn feeding device is by being self-possessed the yarn Line lifts, and the tensile force that described time yarn feeding device acts on the yarn is adjustable.
3. twin-roll Thread-feeding device according to claim 1, which is characterized in that the contact of described time yarn feeding device and the yarn Position is to be slidably connected.
4. twin-roll Thread-feeding device according to claim 1, which is characterized in that described time yarn feeding device is sheathed on second rolling Cylinder is to outside the yarn of the first roller outbound course.
5. twin-roll Thread-feeding device according to claim 1, which is characterized in that described time yarn feeding device is pivotally mounted to described On the frame body of second tin roller side.
6. twin-roll Thread-feeding device according to any one of claims 1 to 5, which is characterized in that described time yarn feeding device includes can It is rotatablely installed the rotation main body in the frame body, be fixedly arranged on the extension arm of rotation body side and is fixedly arranged on the rotation main body other side Adjustment portion, the center of gravity of the center of gravity of the adjustment portion and the extension arm is located at the two sides of the rotation main body, the tune The torque in section portion is greater than the torque of the extension arm, and the yarn passes through the extension arm.
7. twin-roll Thread-feeding device according to claim 6, which is characterized in that the adjustment portion includes being fixed on the rotation The screw rod part and spiral of main body are connected to the clump weight of the screw rod part, and the clump weight is moved on the screw rod part, is used for Adjust the torque of the adjustment portion.
8. twin-roll Thread-feeding device according to claim 6, which is characterized in that described time yarn feeding device further include be installed on it is described The rolling ring of extension arm end, the rolling ring are sheathed on outside the yarn.
9. twin-roll Thread-feeding device according to claim 1, which is characterized in that the frame body includes rack, the first lead frame With the second lead frame, first roller, the second tin roller and described time yarn feeding device are installed in the rack, and described first Lead frame and the second lead frame are located at the two sides of first roller, and the yarn is wound to described through the first lead frame One roller, and exported outward by the second lead frame.
10. twin-roll Thread-feeding device according to claim 9, which is characterized in that the rack is equipped with position-limit mechanism, the limit Position mechanism is used to limit the slewing area for returning yarn feeding device.
CN201820529952.6U 2018-04-13 2018-04-13 Adjustable twin-roll Thread-feeding device Active CN208103576U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820529952.6U CN208103576U (en) 2018-04-13 2018-04-13 Adjustable twin-roll Thread-feeding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820529952.6U CN208103576U (en) 2018-04-13 2018-04-13 Adjustable twin-roll Thread-feeding device

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CN208103576U true CN208103576U (en) 2018-11-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111172670A (en) * 2020-02-26 2020-05-19 南通市金山纺织有限公司 Rolling type yarn guide tensioning device
CN111172669A (en) * 2020-02-26 2020-05-19 南通市金山纺织有限公司 Rolling type yarn guide compensation device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111172670A (en) * 2020-02-26 2020-05-19 南通市金山纺织有限公司 Rolling type yarn guide tensioning device
CN111172669A (en) * 2020-02-26 2020-05-19 南通市金山纺织有限公司 Rolling type yarn guide compensation device

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