CN209728271U - A kind of aramid yarn active release yarn feeding device - Google Patents

Abstract

The utility model relates to a kind of aramid yarn active release yarn feeding devices, including pedestal, bracket and yarn releasing main body, the lower end of bracket to be located on pedestal, and yarn releasing main body is located at pedestal upper end；Yarn releasing main body is successively arranged traction shield, transmission device and driven wheel from left to right, and traction shield, driven wheel is axial concentric with transmission device and is equipped with the axially extending bore passed through for cable core, draws the lateral conductive lines ring of shield；Aramid yarn disk is located on the axle sleeve in traction shield, and the axle sleeve is located at on traction shield axially concentric bearing, and aramid yarn passes through the conductor loop for drawing shield；The side of aramid yarn disk is equipped with straining pulley, straining pulley is rotated coaxially with aramid yarn disk, straining pulley is equipped with U-type groove, stretch cord is equipped in U-type groove, stretch cord two sides are each attached on traction shield, by adjusting the adjustable stretch cord of elastic force of stretch cord to straining pulley U-type groove pressure, the frictional resistance of adjustable straining pulley rotation, stable tension is provided to aramid yarn disk, guarantees yarn releasing quality.

Description

A kind of aramid yarn active release yarn feeding device

Technical field

The utility model relates to optical cable production technical field, especially a kind of aramid yarn active release yarn feeding device.

Background technique

Optical cable is the prevailing transmission tool of the various Information Networks of current information-intensive society, and the benefit of optical cable is that speed is fast, and performance is steady Fixed, data transfer throughput is fast, while can satisfy the demand of a variety of transmission services, and with the development of the level of informatization, optical cable exists Our information-based transmission play the role of very important.The cutting of the main inside element optical fiber of optical cable and attended operation technology are multiple It is miscellaneous, higher requirement is proposed to the intensity of optical cable, aramid yarn has density small, and stretch modulus is very high, breaking strength it is higher and The more low special performance of fracture elongation has stronger chemical resistance, is superior optical cable other than strong acid and highly basic Reinforcement unit material, has been widely applied in optical cable.

Existing aramid yarn active release yarn feeding device, yarn releasing tension is unstable, and yarn releasing device cannot be uniformly wrapped in wait protect Cable core, appearance pressure yarn pitch is excessive and protecting effect is bad or the pressure too small increase for causing cost of yarn pitch, aramid yarn disk are put Yarn speed is easily upset fastly, and both having influenced optical cable quality has waste material, and aramid yarn is single in cable core structure, protecting effect It is bad.

Summary of the invention

The purpose of this utility model is that in place of making up the deficiencies in the prior art, a kind of yarn releasing tension stability, yarn releasing are provided Uniformly and and ensure the aramid yarn active release yarn feeding device of yarn releasing quality.

The present invention solve above-mentioned technical problem the technical solution adopted is that:

A kind of aramid yarn active release yarn feeding device, including pedestal, bracket and yarn releasing main body, the lower end of bracket are located on pedestal, Yarn releasing main body is located at pedestal upper end；It is characterized by: yarn releasing main body is equipped with traction shield, transmission device, driven wheel and aramid yarn Disk, transmission device are hollow shaft-like, and driven wheel is located at the left end of transmission device, and traction shield is located at the right side of transmission device, leads Draw that shield, driven wheel and transmission device are axial concentric and are equipped with the axially extending bore passed through for cable core, the side for drawing shield is set There is conductor loop；Aramid yarn disk is located on the axle sleeve in traction shield, and the axle sleeve is located at and draws shield axially concentric bearing On, aramid yarn passes through the conductor loop of traction shield；The side of aramid yarn disk is equipped with straining pulley, and straining pulley coaxially turns with aramid yarn disk Dynamic, straining pulley is equipped with U-type groove, stretch cord is equipped in U-type groove, stretch cord two sides are each attached on traction shield, by adjusting bullet Pressure of the adjustable stretch cord of the elastic force of power rope to straining pulley U-type groove；Pedestal upper end is equipped with the bearing fixed by bearing block, The transmission device of yarn releasing main body passes through the bearing of pedestal upper end, and traction shield, driven wheel and transmission device rotate coaxially；Under bracket End is equipped with the motor controlled by distribution box, and motor is equipped with driving wheel, and the driving wheel of motor and the driven wheel of yarn releasing main body pass through Belt connection.

Preferably, the aramid yarn disk is additionally provided with clamping device, and aramid yarn disk is fixed on the axle sleeve by clamping device On, clamping device is equipped with protection tray and locking device, and protection tray is located at the left end of the axle sleeve, and protection tray includes outer diameter Support portion identical with aramid yarn disk internal diameter and outer diameter are greater than the protection department of aramid yarn disk internal diameter, and protection department is located at a left side for support portion Side；Locking device is equipped with tensioner element and locking nut, and tensioner element is set on the axle sleeve, and locking nut is located at tensioner member The right side of part, tensioner element left side are equipped with vertex in the conical surface in left side, and the left end diameter of the conical surface is less than the interior of aramid yarn disk Diameter, the right end diameter of the conical surface are greater than the internal diameter of aramid yarn disk, and locking nut is located at the right side of tensioner element, the right side of tensioner element It is resisted against the left side of locking nut.

Preferably, the side of the tensioner element is equipped with the notch under upper, and the width of the notch is greater than cable core Outer diameter, the outer diameter of locking nut are less than the internal diameter of aramid yarn disk；Be additionally provided on the outside of the aramid yarn disk with aramid yarn dish axle to Concentric hollow shaft, hollow shaft are equipped with spare aramid yarn disk.

Preferably, the speed of the motor rotation is adjustable by the distribution box.

Preferably, it there are two the aramid yarn active release yarn feeding device is set, is oppositely arranged.

The usage mode of the utility model is as follows:

1. the fixation of aramid yarn

Aramid yarn disk is inserted on the axle sleeve in the traction shield of yarn releasing main body, tensioner element is also then inserted in yarn releasing master Axle sleeve in the traction shield of body, and push tensioning device to be resisted against the right side of aramid yarn disk with locking nut, at this point, aramid yarn Side of facing left is resisted against on protection tray, and the aramid yarn disk clamping device that device and protection tray are constituted that is locked is fixed on traction shield On axle sleeve in cover, aramid yarn disk can rotate simultaneously with axle sleeve.

2. the threading of aramid yarn

By the aramid yarn of aramid yarn disk pass through traction shield on conductor loop, with pass through the aramid yarn active release yarn feeding device The cable core of axially extending bore be fixedly connected.

3. the adjustment of aramid yarn disk rotating tension

The elastic force being equipped in stretch cord in the straining pulley U-type groove of aramid yarn disk is adjusted, rotating tension is adjusted.

4. opening the power supply of distribution box

Motor drives the driven wheel of transmission device, transmission device rotation by belt, and traction shield rotates together, aramid yarn It is closely wound along the direction and cable core of cable core, aramid yarn disk continues passive unwrapping wire.

The advantages of the utility model, is as follows:

The utility model is made of pedestal, bracket and yarn releasing main body, and pedestal is used to support whole device, guarantees whole device During use steady, bracket is for connecting pedestal and yarn releasing main body.

The side of aramid yarn disk is equipped with straining pulley, and straining pulley is rotated coaxially with aramid yarn disk, and straining pulley is equipped with U-type groove, U-shaped Stretch cord is equipped in slot, stretch cord two sides are each attached on traction shield, by the adjustable elastic force of elastic force for adjusting stretch cord Rope provides stable tension to aramid yarn disk, protects to straining pulley U-type groove pressure, the frictional resistance of adjustable straining pulley rotation Demonstrate,prove yarn releasing quality；Aramid yarn disk and traction shield rotate in same direction, and reduce the relative motion between straining pulley and stretch cord, reduce The energy for overcoming straining pulley friction to need, save the cost and reduces the heat generated between them, avoids stretch cord Because the elastic force that generates heat reduces, it ensure that stretch cord provides stable pressure to straining pulley, and then provide surely for the rotation of aramid yarn disk Fixed tension, aramid yarn are uniformly wound into cable core.

Aramid yarn side of facing left is set on the support portion of protection tray and is resisted against on protection department, the outer diameter and virtue of support portion The internal diameter of synthetic fibre yarn disk is identical, and stable support is provided to aramid yarn disk, and protection department provides stable left side to aramid yarn disk and limits Position；The tensioner elements press that the locking nut of device that is locked on the right side of aramid yarn disk pushes, forms right side limit, locking device The left side limit that provides of right side limit and protection department it is common clamp yarn releasing wheel disc, vertex is equipped on the left of tensioner element in left side The conical surface, the left end diameter of the conical surface are less than the internal diameter of aramid yarn disk, and the right end diameter of the conical surface is greater than the internal diameter of aramid yarn disk, rises The conical surface of tight element can provide enough supports, the left end face of tensioner element and the aramid yarn of aramid yarn disk to aramid yarn disk Between also form the conical surface, do not contact with each other, worn when avoiding aramid yarn unwrapping wire；Aramid yarn disk by protection tray and Locking device constitute clamping device, can when aramid yarn disk be stably fixed on axle sleeve, and install, replacement aramid yarn disk It is convenient.

The side of tensioner element is equipped with the notch under upper, and the width of notch is greater than the outer diameter of cable core, locking nut Outer diameter is less than the internal diameter of aramid yarn disk；It is additionally provided on the outside of the aramid yarn disk with aramid yarn dish axle to concentric hollow shaft, it is empty Mandrel is equipped with spare aramid yarn disk, aramid yarn disk can be replaced in the case where not cutting off cable core, so that optical cable is continuous.Virtue The switching of synthetic fibre yarn disk operates in the steps below:

1. closing motor by distribution box, shut down to equipment

2. unscrewing the locking nut on right side, unclamping tensioner element and removing tensioner element from cable core from the notch of side.

3. the remaining spool of aramid yarn disk is cut off taking-up from side.

4. hollow shaft is equipped with spare aramid yarn disk to move on axle sleeve, by tensioner element from the notch of side from cable Core retainer plate enters, and pushes tensioner element again to fix spare aramid yarn disk with locking nut.

5. opening motor again through distribution box.

The speed of motor rotation is adjustable by the distribution box, can conveniently adjust aramid yarn in the winding section of cable core Away from so that equipment adapts to different optical cable production requirements.

The aramid yarn active release yarn feeding device is oppositely arranged there are two setting, and aramid yarn active release yarn feeding device operates simultaneously, The two-way winding of aramid yarn may be implemented, it is more preferable to the protecting effect of optical cable；And there are two aramid yarn active release yarn feeding device is set, After one aramid yarn disk use, another revolving speed can be tuned up, so that the aramid yarn winding pitch of cable core is stablized, cable core It can continue to operate forward, improve production efficiency.

Detailed description of the invention

Fig. 1 is the schematic diagram of the utility model；

Fig. 2 is the schematic diagram of transmission device and element connected to it；

Fig. 3 is the schematic diagram for drawing shield；

Fig. 4 is the schematic diagram of axle sleeve and element connected to it；

Fig. 5 is the schematic diagram of tensioner element.

Sign flag is as follows in figure:

1 is pedestal；

2 be bracket, and 21 be distribution box, and 22 be motor, and 221 be driving wheel, and 23 be bearing block；

3 be yarn releasing main body, and 31 be traction shield, and 311 be fixing seat, and 3111 be threaded hole, and 312 be guide holder, and 313 be branch Strut, 3131 be conductor loop, and 32 be transmission device, and 321 be driven wheel, and 322 be fixed tray, and 3221 be threaded hole, and 323 be branch Axis is supportted, 33 be aramid yarn disk, and 331 be axle sleeve, and 3311 be seal receptacle, and 3312 be accommodating chamber, and 332 be clamping device, and 3321 be anti- Pallet is protected, 33211 be support portion, and 33212 be protection department, and 3322 be locking device, and 33221 be tensioner element, and 332211 be cone Face, 332212 be notch, and 33222 be locking nut, and 333 be straining pulley.

Specific embodiment

As depicted in figs. 1 and 2, the utility model includes pedestal 1, bracket 2 and yarn releasing main body 3, and the lower end of bracket 2 is located at bottom On seat 1, yarn releasing main body 3 is located at 2 upper end of bracket；2 lower end of bracket is equipped with distribution box 21 and motor 22, and motor 22 is equipped with driving wheel 221, the revolving speed of the driving wheel 221 of motor 22 is adjustable by distribution box 21；2 upper end of bracket is equipped with bearing block 23.

Yarn releasing main body 3 is equipped with traction shield 31, transmission device 32, aramid yarn disk 33, and the transmission device 32 of yarn releasing main body 3 is worn Cross the bearing in the bearing block 23 of bracket 2.

Transmission device 32 is hollow shaft-like, and transmission device 32 is equipped with the bearing diameter that bearing block 23 is equipped with 2 upper end of bracket Adaptable support shaft 323, transmission device 32 can rotate in the bearing block 23 of bracket 2；The left end of transmission device 32 is equipped with Driven wheel 321 is connect with the driving wheel 221 of motor 22 on bracket 2 by belt；The right side of transmission device 32 is equipped with fixed tray 322, fixed tray 322 is equipped with the threaded hole 3221 passed through for bolt；The right end of transmission device 32 is equipped with support shaft 323；It is driven Wheel 321 is axial concentric with transmission device 32 and is equipped with the axially extending bore passed through for cable core.

The left side for drawing shield 31 is equipped with fixing seat 311, and the right side of traction shield 31 is equipped with guide holder 312, fixing seat 311 It is connected between guide holder 312 by support rod 313；Fixing seat 311 is equipped with the threaded hole 3111 passed through for bolt, draws shield 31 right sides for being fixed on transmission device 32 by passing through the bolt of fixing seat 311 and fixed tray 322, traction shield 31 and transmission Device 32 is axial concentric and is equipped with the axially extending bore passed through for cable core；The side for drawing shield 31 is equipped with conductor loop 3131,

Aramid yarn disk 33 is set on the axle sleeve 331 in traction shield 31, and 33 two sides of aramid yarn disk are equipped with clamping device 332, aramid yarn disk 33 is fixed on the axle sleeve 331 by clamping device 332, and aramid yarn passes through the conductor loop of traction shield 31 3131；The left side of axle sleeve 331 is equipped with seal receptacle 3311, and the extension of seal receptacle 3311 is equipped with tapped through hole；The right end of axle sleeve 331 is set There is external screw thread.

Clamping device 332 is equipped with protection tray 3321 and locking device 3322, and protection tray 3321 is located at a left side for axle sleeve 331 End, protection tray 3321 include that outer diameter support portion 33211 identical with 33 internal diameter of aramid yarn disk and outer diameter are greater than in aramid yarn disk The protection department 33212 of diameter, protection department 33212 are located at the left side of support portion 33211；It is blind that the right side of support portion 33211 is equipped with screw thread Hole, the left side that bolt passes through axle sleeve 331 are equipped with the fixed company of tapped blind hole of the tapped through hole and support portion 33211 of seal receptacle 3311 Connect, form the accommodating chamber 3312 of bearing, the support shaft 323 of 32 right end of transmission device is inserted into accommodating chamber 3312, and by with traction The axial concentric bearings connection of shield 31；

Locking device 3322 is equipped with tensioner element 33221 and locking nut 33222, and tensioner element 33221 is set in axle sleeve On 331, locking nut 33222 is located at 33221 right side of tensioner element；Locking nut 33222 is equipped with internal screw thread, with axle sleeve 331 The external screw thread of right end, rotation locking nut 33222 can push tensioner element 33221 to move left and right on axle sleeve 331.

Vertex is equipped on the left of tensioner element 33221 in the conical surface 332211 in left side, the left end diameter of the conical surface 332211 is less than The internal diameter of aramid yarn disk 33, the right end diameter of the conical surface 332211 are greater than the internal diameter of aramid yarn disk 33, and aramid yarn passes through traction shield 31 conductor loop 3131；The side of tensioner element 33221 is equipped with the notch 332212 that the width under upper is greater than the outer diameter of cable core.

The side of aramid yarn disk 33 is equipped with straining pulley 333, and straining pulley 333 is rotated coaxially with aramid yarn disk 33, straining pulley 33 Equipped with U-type groove, stretch cord is equipped in U-type groove, stretch cord two sides are each attached on the support rod 313 of traction shield 31, pass through tune Pressure of the adjustable stretch cord of elastic force to the U-type groove of straining pulley 33 of stretch cord is saved, straining pulley 33 has frictional force when rotating, So as to adjust the tension of the rotation of aramid yarn disk 33.

The outside of aramid yarn disk 33 can be equipped with the hollow shaft concentric with 33 axial direction of aramid yarn disk, and hollow shaft is equipped with spare Aramid yarn disk, aramid yarn disk can be replaced in the case where not cutting off cable core, so that optical cable is continuous.

Aramid yarn active release yarn feeding device is oppositely arranged there are two setting, and aramid yarn active release yarn feeding device operates simultaneously, Ke Yishi The two-way winding of existing aramid yarn, it is more preferable to the protecting effect of optical cable；And there are two aramid yarn active release yarn feeding device is set, a virtue After synthetic fibre yarn disk use, another revolving speed can be tuned up, so that the aramid yarn winding pitch of cable core is stablized, cable core can be held It is continuous to operate forward, improve production efficiency.

Only as described above, only specific embodiment of the utility model, when the utility model cannot be limited with this The range of implementation, therefore the displacement of its equivalent assemblies, or according to equivalent changes and modifications made by the utility model patent protection scope, It should still belong to the scope that the utility model claims book is covered.

Claims (6)

1. a kind of aramid yarn active release yarn feeding device, including pedestal, bracket and yarn releasing main body, the lower end of bracket are located on pedestal, put Yarn main body is located at pedestal upper end；It is characterized by: yarn releasing main body is equipped with traction shield, transmission device, driven wheel and aramid yarn disk, Transmission device is hollow shaft-like, and driven wheel is located at the left end of transmission device, and traction shield is located at the right side of transmission device, traction shield Cover, driven wheel is axial concentric with transmission device and is equipped with the axially extending bore passed through for cable core, and the side for drawing shield, which is equipped with, leads Wire loop；Aramid yarn disk is located on the axle sleeve in traction shield, the axle sleeve be located at on traction shield axially concentric bearing, it is fragrant Synthetic fibre yarn passes through the conductor loop of traction shield；The side of aramid yarn disk is equipped with straining pulley, and straining pulley is rotated coaxially with aramid yarn disk, Wheels is equipped with U-type groove, stretch cord is equipped in U-type groove, stretch cord two sides are each attached on traction shield, by adjusting stretch cord Pressure of the adjustable stretch cord of elastic force to straining pulley U-type groove；Pedestal upper end is equipped with the bearing fixed by bearing block, yarn releasing master The transmission device of body passes through the bearing of pedestal upper end, and traction shield, driven wheel and transmission device rotate coaxially；Pedestal lower end is equipped with The motor controlled by distribution box, motor are equipped with driving wheel, and the driving wheel of motor and the driven wheel of yarn releasing main body are connected by belt It connects.

2. aramid yarn active release yarn feeding device according to claim 1, it is characterised in that: the aramid yarn disk is additionally provided with clamping Device, aramid yarn disk are fixed on the axle sleeve by clamping device, and clamping device is equipped with protection tray and locking device, protection Pallet is located at the left end of the axle sleeve, and protection tray includes that outer diameter support portion identical with aramid yarn disk internal diameter and outer diameter are greater than virtue The protection department of synthetic fibre yarn disk internal diameter, protection department are located at the left side of support portion；Locking device is equipped with tensioner element and locking nut, tensioner Element is set on the axle sleeve, and locking nut is located at the right side of tensioner element, and vertex is equipped on the left of tensioner element in left side The conical surface, the left end diameter of the conical surface are less than the internal diameter of aramid yarn disk, and the right end diameter of the conical surface is greater than the internal diameter of aramid yarn disk, lock Tight nut is located at the right side of tensioner element, and the left side of locking nut is resisted against on the right side of tensioner element.

3. aramid yarn active release yarn feeding device according to claim 2, it is characterised in that: the side of the tensioner element is equipped with Notch under upper, the width of the notch are greater than the outer diameter of cable core, and the outer diameter of locking nut is less than the internal diameter of aramid yarn disk； It is additionally provided on the outside of the aramid yarn disk with aramid yarn dish axle to concentric hollow shaft, hollow shaft is equipped with spare aramid yarn Disk.

4. aramid yarn active release yarn feeding device as claimed in any of claims 1 to 3, it is characterised in that: the motor The speed of rotation is adjustable by the distribution box.

5. aramid yarn active release yarn feeding device as claimed in any of claims 1 to 3, it is characterised in that: the virtue Synthetic fibre yarn active release yarn feeding device is oppositely arranged there are two setting.

6. aramid yarn active release yarn feeding device according to claim 4, it is characterised in that: the aramid yarn active yarn releasing dress There are two installing, it is oppositely arranged.