CN209940166U

CN209940166U - Yarn winding former

Info

Publication number: CN209940166U
Application number: CN201920711883.5U
Authority: CN
Inventors: 谈源; 李镓旭; 钮青; 李春惠
Original assignee: Changzhou Xinchuang Intelligent Technology Co Ltd
Current assignee: Changzhou New Intelligent Technology Co Ltd; Changzhou Xinchuang Intelligent Technology Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-01-14
Anticipated expiration: 2029-05-17

Abstract

The utility model relates to a fine technical field of carbon fiber exhibition especially relates to a yarn winding former, and this equipment includes: the unwinding device is used for unwinding the yarn on the yarn drum under constant tension; the yarn translation device is used for changing the position of the yarn which is discharged from the unwinding device in the direction vertical to the transmission direction of the yarn; the flat plate winding device is used for winding and forming yarns; through hanging between two yarn poles and establishing a weight, utilize the weight of weight to store up the yarn and guarantee that yarn tension is invariable simultaneously to overcome because the mandrel is platelike and lead to the fact that yarn variable speed motion causes yarn tension inconstant problem, make the even winding of yarn on board-like mandrel.

Description

Yarn winding former

Technical Field

The utility model relates to a fine technical field of carbon fiber exhibition especially relates to a yarn winding former.

Background

The carbon fiber winding molding is to wind carbon fiber prepreg on a core mold according to a certain rule, and then obtain a product through curing and demolding. The method comprises wet winding, namely carbon fiber prepreg is directly wound on a core mold under the control of tension, redundant bubbles are extruded due to the winding tension, the winding rule can be designed according to the stress condition of a product in the carbon fiber winding forming process, the strength of the fiber is fully exerted, the cost is relatively low, the produced product is good in air tightness, and the mechanized and automatic production is easy to realize.

In the prior art, the core mold is mostly a cylindrical structure, such as a carbon fiber ring forming tool disclosed in the chinese utility model with the publication number CN203046242U, as shown in fig. 1, since the core mold is annular, the tension control of the carbon fiber (i.e. yarn) wound thereon is relatively easy, as long as the core mold rotation speed is controlled to be constant. However, when the core mold is a plate-shaped structure, due to the structural difference between the plate-shaped core mold and the cylindrical core mold, the linear velocity of the yarn wound on the plate-shaped core mold is not uniform, the tension of the yarn is difficult to control, and the width of the yarn wound on the core mold is not uniform if the tension is not constant, thereby causing the problems of unbalanced appearance surface and unstable mechanical properties of products formed by winding carbon fibers.

In view of the above problems, the designer is based on the practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is actively researched and innovated in cooperation with the application of scholars, so as to create a yarn winding and forming device, which is more practical.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provides a yarn winding forming device, which can wind the yarn with constant tension.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a yarn winding and forming apparatus, comprising:

the unwinding device is used for unwinding the yarn on the yarn drum under constant tension, and further comprises a yarn drum driving part, a swing rod and a yarn storage rod; the yarn drum driving part fixes the yarn drum on the yarn drum driving part and drives the yarn drum to rotate at a constant speed; one end of a swing arm of the swing rod is rotatably arranged, the other end of the swing arm is provided with a rotating shaft along the axial direction of the yarn drum, and the yarn discharged from the yarn drum is wound around the rotating shaft; the yarn storage rods are provided with at least two yarn storage rods and are arranged along the axial direction of the yarn barrel, and yarns pass through the upper parts of the two yarn storage rods and hang a weight between the two yarn storage rods so as to be stored between the two yarn storage rods;

the yarn translation device is used for changing the position of the yarn which is discharged from the unwinding device in the direction vertical to the transmission direction of the yarn, and further comprises a translation driving part and a yarn guide part, wherein the yarn guide part is fixed on the translation driving part and is driven by the translation driving part to do linear reciprocating motion;

the flat plate winding device is used for winding and forming yarns and further comprises a plate type core mold and a core mold driving piece, wherein the plate type core mold is connected with the core mold driving piece and driven by the core mold driving piece to rotate at a constant speed so as to wind the yarns on the plate type core mold.

Preferably, the pendulum rod still includes resistance lever and elastic component, the resistance lever is fixed in swing arm pivoted one end and rotates along with the swing of pendulum rod, elastic component one end is fixed in unwinding device on, and the other end is connected with the resistance lever for increase the pulling force to the yarn when the pendulum rod swings.

Preferably, the translation driving part is an electric cylinder, the yarn guide part is perpendicular to the moving direction of the electric cylinder, two vertical yarn guide rods are arranged at two ends of the yarn guide part, and yarns penetrate through the middle of the two yarn guide rods.

Preferably, the yarn tension measuring device further comprises a gravity sensor, wherein the gravity sensor is fixed on the yarn guide, a fiber spreading roller is fixed on the gravity sensor, and the fiber spreading roller is wrapped by the yarn to measure the tension of the yarn.

Preferably, still include the tension adjusting roller, the tension adjusting roller set up in on the yarn guide, and perpendicular with the direction of thread guide pole, still be provided with a plurality of exhibition yarn rollers the same and staggered arrangement with the thread guide pole direction on the yarn guide, the tension adjusting roller sets up between exhibition yarn roller, but the mobile setting in vertical direction changes the tension of yarn through the removal of tension adjusting roller.

Preferably, the plate core mold is detachably fixed to the core mold driving member.

Preferably, the distance that the yarn guide moves when the plate core mold rotates once is the width of the yarn.

Preferably, both ends of the electric cylinder are provided with travel switches, and when the yarn guide moves to the travel switches, the yarn guide automatically moves in the reverse direction.

The utility model has the advantages that: through hanging between two yarn poles and establishing a weight, utilize the weight of weight to store up the yarn and guarantee that yarn tension is invariable simultaneously to overcome because the mandrel is platelike and lead to the fact that yarn variable speed motion causes yarn tension inconstant problem, make the even winding of yarn on board-like mandrel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a yarn winding mandrel of the prior art;

fig. 2 is a front view of a yarn winding and forming apparatus according to a first embodiment of the present invention;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a schematic structural diagram of a swing rod in an embodiment of the present invention;

fig. 5 is a schematic structural view of a yarn translation device according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a middle flat plate winding device according to an embodiment of the present invention.

Reference numerals: 1-unwinding device, 2-yarn translation device, 3-flat plate winding device, 11-bobbin driving element, 12-swing rod, 13-yarn storage rod, 21-translation driving element, 22-guiding element, 31-plate type core mold, 32-core mold driving element, 121-resistance rod, 122-elastic element, 221-yarn guide rod, 222-gravity sensor, 223-tension adjusting roller and 224-yarn spreading roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

A yarn winding and forming apparatus as shown in fig. 2-3, the apparatus comprising:

the unwinding device 1 is used for unwinding the yarn on the yarn drum under constant tension, and the unwinding device 1 further comprises a yarn drum driving part 11, a swing rod 12 and a yarn storage rod 13; the yarn drum driving part 11 fixes the yarn drum on the yarn drum driving part and drives the yarn drum to rotate at a constant speed; one end of a swing arm of the swing rod 12 is rotatably arranged, the other end of the swing arm is provided with a rotating shaft along the axial direction of the yarn drum, and the yarn discharged from the yarn drum is wound around the rotating shaft; the yarn storage rods 13 are provided with at least two yarn storage rods and are arranged along the axial direction of the yarn barrel, and yarns pass through the upper parts of the two yarn storage rods 13 and hang a weight between the two yarn storage rods 13 so as to be stored between the two yarn storage rods 13;

here yarn section of thick bamboo driving piece 11 is a servo motor, servo motor connects an physiosis axle, when yarn section of thick bamboo cover establishes the picture physiosis epaxial in, the physiosis axle inflation, thereby tightly laminate with the inner wall of a yarn section of thick bamboo, thereby fixed yarn section of thick bamboo, under servo motor's drive, a yarn section of thick bamboo is at the uniform velocity and rotates, thereby emit the carbon fiber silk bundle on the yarn section of thick bamboo, the carbon fiber silk bundle at this moment is the precursor, still not through the tractive, the yarn is when the winding, the width that can make the carbon fiber silk bundle through the tractive changes, the expansion width of yarn can be invariable under invariable tension's pulling.

The yarn translation device 2 is used for changing the position of the yarn which is discharged from the unwinding device 1 in the direction perpendicular to the conveying direction of the yarn, the yarn translation device 2 further comprises a translation driving part 21 and a yarn guiding part 22, and the yarn guiding part 22 is fixed on the translation driving part 21 and is driven by the translation driving part 21 to do linear reciprocating motion;

the yarn translation device 2 is used for moving the position of the yarn, so that the yarn is arranged on the core mould according to the layering rule, and the finally formed carbon fiber product is uniform in thickness and strength.

The flat plate winding device 3 is used for winding and forming yarns, and the flat plate winding device 3 further comprises a plate type core mold 31 and a core mold driving piece 32, wherein the plate type core mold 31 is connected with the core mold driving piece 32 and is driven by the core mold driving piece 32 to rotate at a constant speed so as to wind the yarns on the plate type core mold 31.

Here, the core mold driving member 32 is also driven by a servo motor, and the servo motor is connected to the plate core mold 31 to rotate the plate core mold 31, so that the yarn is wound around the plate core mold 31.

In this embodiment, a weight is hung between the two yarn storage rods 13, and the weight of the weight is used for storing the yarn and simultaneously ensuring the constant yarn tension, so that the problem that the yarn tension is not constant due to the variable speed movement of the yarn caused by the fact that the core mold is plate-shaped is solved, and the yarn is uniformly wound on the plate-shaped core mold. The yarn translation device does not change the tension of the yarn due to the uniform movement of the yarn translation device.

As shown in fig. 4, the swing link 12 further includes a resistance bar 121 and an elastic member 122, the resistance bar 121 is fixed at one end of the swing arm and rotates along with the swing of the swing link 12, one end of the elastic member 122 is fixed on the unwinding device 1, and the other end is connected to the resistance bar 121 for increasing the yarn pulling force when the swing link 12 swings. Because the effect of pendulum rod 12 is in storing the yarn equally, prevent to lead to the yarn speed sudden change because the rotation of plate-type mandrel 31, however in order to guarantee constant tension, if only rely on the weight of pendulum rod 12, the yarn tension that leads to because the yarn storage volume is not enough when the pendulum rod 12 swings extreme position department changes very easily, for this reason, has set up elastic component 122 and has pulled pendulum rod 12, makes pendulum rod 12 can not reach extreme position easily in the effect of atress when rotating to make the weight between the yarn storage pole 13 rise, reduce the yarn storage volume between two yarn storage poles 13 and guarantee that tension is invariable.

As shown in fig. 5, the translational driving member 21 is preferably an electric cylinder, the yarn guide 22 is perpendicular to the moving direction of the electric cylinder, two vertical yarn guiding rods 221 are arranged at both ends of the yarn guide 22, and the yarn passes through the middle of the two yarn guiding rods 221. The electric cylinder is prior art, both can buy on the market, and its inner structure adds the lead screw for servo motor, thereby servo motor drive lead screw rotates the screw thread moving member that makes on the lead screw and removes, and its detailed structure is no longer repeated here. In this embodiment, the yarn guide 22 is fixed to a threaded displacement member, thereby effecting displacement of the yarn guide 22.

With continued reference to fig. 5, a gravity sensor 222 is included, the gravity sensor 222 being secured to the yarn guide 22, and a spreader roller secured to the gravity sensor 222, the spreader roller being wrapped around the yarn to measure the tension on the yarn. Here, the gravity sensor 222 is fixed to the spreader roller, and the spreader roller is in winding contact with the yarn, so that the acting force applied to the spreader roller is transmitted to the gravity sensor 222, and the gravity sensor 222 converts the force transmitted to the spreader roller to obtain the tension value of the yarn.

With continued reference to fig. 5, a tension adjusting roller 223 is further included, the tension adjusting roller 223 is disposed on the yarn guide 22 and is perpendicular to the direction of the yarn guide rod 221, a plurality of yarn spreading rollers 224 which are arranged in the same direction as the direction of the yarn guide rod 221 and are staggered are further disposed on the yarn guide 22, the tension adjusting roller 223 is disposed between the yarn spreading rollers 224 and is movably disposed in the vertical direction, and the tension of the yarn is changed by the movement of the tension adjusting roller 223. When the tension value of the gravity sensor 222 is slightly changed, the dancer roll 223 moves to press the yarns sequentially passing through the respective yarn stretching rolls 224, so that the tension value of the yarns is adjusted, and when the tension value reaches a preset tension value, the dancer roll 223 stops.

As shown in fig. 6, the plate core mold 31 is detachably fixed to the core mold driving member 32, and when the yarn winding is completed, the plate core mold 31 needs to be removed, so that a detachable attachment method is provided.

In order to control the yarn winding without a gap on the plate core mold 31, the distance that the yarn guide moves when the plate core mold rotates one turn is the width of the yarn.

Meanwhile, in order to realize the automatic reciprocating motion of the yarn guide 22 on the yarn translation device 2, travel switches are arranged at two ends of the electric cylinder, and when the yarn guide 22 moves to the travel switches, the yarn guide automatically moves in the reverse direction. The utility model discloses the moving speed of reasonable setting yarn guide and the slew velocity of board-like mandrel have realized the even seamless winding of yarn on board-like mandrel, make final fashioned carbon fiber product mechanical properties good.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A yarn winding apparatus, comprising:

the unwinding device (1) is used for unwinding yarns on a yarn drum under constant tension, and the unwinding device (1) further comprises a yarn drum driving piece (11), a swing rod (12) and a yarn storage rod (13); the yarn drum driving piece (11) fixes the yarn drum on the yarn drum driving piece and drives the yarn drum to rotate at a constant speed; one end of a swing arm of the swing rod (12) is rotatably arranged, the other end of the swing arm is provided with a rotating shaft along the axial direction of the yarn drum, and yarns discharged from the yarn drum are wound around the rotating shaft; the yarn storage rods (13) are provided with at least two yarn storage rods and are axially arranged along the yarn barrel, yarns pass through the upper parts of the two yarn storage rods (13) and a weight is hung between the two yarn storage rods (13), so that the yarns are stored between the two yarn storage rods (13);

the yarn translation device (2) is used for changing the position of the yarn which is discharged from the unwinding device (1) in the direction perpendicular to the conveying direction of the yarn, the yarn translation device (2) further comprises a translation driving part (21) and a yarn guide part (22), and the yarn guide part (22) is fixed on the translation driving part (21) and is driven by the translation driving part (21) to do linear reciprocating motion;

the flat plate winding device (3) is used for winding and forming yarns, and further comprises a plate type core mold (31) and a core mold driving piece (32), wherein the plate type core mold (31) is connected with the core mold driving piece (32) and is driven by the core mold driving piece (32) to rotate at a constant speed so as to wind the yarns on the plate type core mold (31).

2. The yarn winding and forming device according to claim 1, wherein the swing rod (12) further comprises a resistance rod (121) and an elastic member (122), the resistance rod (121) is fixed at one rotating end of the swing arm and rotates along with the swing of the swing rod (12), one end of the elastic member (122) is fixed on the unwinding device (1), and the other end of the elastic member is connected with the resistance rod (121) and is used for increasing the yarn pulling force when the swing rod (12) swings.

3. Yarn winding and forming device according to claim 1, characterised in that the translational drive member (21) is an electric cylinder, the yarn guide member (22) is perpendicular to the direction of movement of the electric cylinder, and two vertical yarn guide rods (221) are arranged at both ends of the guide member (22), and the yarn passes through the middle of the two yarn guide rods (221).

4. The yarn winding and forming apparatus according to claim 3, further comprising a gravity sensor (222), wherein the gravity sensor (222) is fixed to the yarn guide (22), and wherein a fiber spreading roller is fixed to the gravity sensor (222), and wherein the fiber spreading roller is wrapped by the yarn to measure the tension on the yarn.

5. The yarn winding and forming device according to claim 3, further comprising a tension adjusting roller (223), wherein the tension adjusting roller (223) is arranged on the yarn guide (22) and is perpendicular to the direction of the yarn guide rod (221), a plurality of yarn spreading rollers (224) which are arranged in the same direction as the direction of the yarn guide rod (221) and are staggered are further arranged on the yarn guide (22), the tension adjusting roller (223) is arranged between the yarn spreading rollers (224) and is movably arranged in the vertical direction, and the tension of the yarn is changed through the movement of the tension adjusting roller (223).

6. The yarn winding molding apparatus according to claim 1, wherein the plate core mold (31) is detachably fixed to a core mold driving member (32).

7. The yarn winding and forming apparatus according to claim 1, wherein the distance that the yarn guide (22) moves when the plate core mold (31) rotates once is the width of the yarn.

8. Yarn winding and forming device according to claim 3, characterised in that the electric cylinder is provided with a travel switch at both ends, which is automatically moved in the opposite direction when the yarn guide (22) is moved to the travel switch.