CN216945594U

CN216945594U - Constant-tension unwinding device for flat fiber bundle warp yarns

Info

Publication number: CN216945594U
Application number: CN202220153534.8U
Authority: CN
Inventors: 吕威; 杨滢; 季铖
Original assignee: Wuxi Dingqi New Material Technology Co ltd
Current assignee: Wuxi Dingqi New Material Technology Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-12
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to the technical field of widening warp processing, in particular to a constant-tension unwinding device for flat fiber bundle warps, which comprises a rack, wherein a widening unwinding yarn disc, a yarn guide wheel, a tension roller and a yarn guide roller are rotatably arranged on the rack from left to right in sequence; the rear side of frame still includes the motor that unreels of installation, the output that unreels the motor with widen the connecting shaft end drive that unreels the yarn dish and link to each other, widen the widening warp of unreeling on the yarn dish and walk around in proper order the yarn guide wheel, the tension roll with unreel behind the yarn guide roll. The yarn guide wheel comprises a rotating shaft and a guide wheel; the rotating shaft is installed on the rack, and the guide wheel is rotatably sleeved on the rotating shaft through a bearing. The guide wheel comprises a cylinder body and an annular groove; the problem of current widening warp unwinding device can not realize the constant tension control to widening warp when unreeling, lead to unreeling the effect relatively poor is solved.

Description

Constant-tension unwinding device for flat fiber bundle warp yarns

Technical Field

The utility model relates to the technical field of widening warp processing, in particular to a constant-tension unwinding device for flat fiber bundle warp.

Background

The large tow fiber widening and thinning process is adopted, so that the carbon fiber tow layer can reach the thinnest state, the buckling rate of the fiber is reduced, and the mechanical property and the internal wettability of the fiber are improved. At present, the research on the widening and thinning technology of the large tow fibers mainly comprises a mechanical rolling method, an ultrasonic method and an air negative pressure method. The mechanical rolling method has large damage to the fiber bundle, the ultrasonic method has complex equipment and low widening efficiency, and the two methods do not form industrialized equipment at present.

The back is being unreeled out to the warp that widens, advances the cloth machine through heald frame and reed again and knits, and the widening warp that unreels out need keep constant tension and the state of widening, guarantees not curling when getting into to weave, does not reverse, does not extrude to narrow, can not twist with keeping levelly and smoothly, consequently need to develop a constant tension unwinding device of flat tow warp and reach the constant tension's when unreeling to the widening warp purpose and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a constant tension unwinding device for flat fiber bundle warp yarns, which solves the problem that the conventional widening warp yarn unwinding device cannot realize constant tension control on widening warp yarns during unwinding, so that the unwinding effect is poor.

The utility model is realized by the following technical scheme:

a constant-tension unwinding device for flat fiber bundle warps comprises a rack, wherein a stretching unwinding yarn disc, a yarn guide wheel, a tension roller and a yarn guide roller are rotatably mounted on the rack from left to right in sequence; the rear side of frame still includes the motor that unreels of installation, the output that unreels the motor with widen the connecting shaft end drive that unreels the yarn dish and link to each other, widen the widening warp of unreeling on the yarn dish and walk around in proper order the yarn guide wheel, the tension roll with unreel behind the yarn guide roll.

Preferably, the yarn guide wheel comprises a rotating shaft and a guide wheel; the rotating shaft is installed on the rack, and the guide wheel is rotatably sleeved on the rotating shaft through a bearing.

Preferably, the guide wheel comprises a cylinder body and an annular groove; the circumferential outer surface of the cylinder body is provided with the annular groove, and the axis of the annular groove is consistent with the axis of the cylinder body.

Preferably, the shaft end of the tension roller further comprises a tension sensor, and the tension sensor is a flange type tension sensor.

Preferably, the unwinding motor is a servo motor.

Preferably, the tension roller is arranged at the center between the yarn guide wheel and the yarn guide roller, and the tension roller is arranged below the yarn guide wheel and the yarn guide roller or the axes of the yarn guide wheel, the yarn guide roller and the yarn guide roller are arranged at the same horizontal position.

Preferably, the winding and unwinding device further comprises a PLC (programmable logic controller) of the control terminal, and the PLC is respectively electrically connected with the unwinding motor and the tension sensor.

The utility model has the beneficial effects that:

by adopting the design and the use of the structure, the utility model solves the problem that the existing widening warp unwinding device can not realize tension control on widening warps during unwinding, so that the unwinding effect is poor;

the utility model has novel structure, reasonable design and strong practicability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of 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 block diagram of the present invention;

FIG. 2 is a block diagram of the present invention II;

FIG. 3 is a top view of the structure of the present invention;

fig. 4 is a structural view of the yarn guide wheel of the present invention.

In the figure: 1-widening yarn unwinding disc, 101-unwinding motor, 2-yarn guide wheel, 201-rotating shaft, 202-guide wheel, 3-tension roller, 301-tension sensor, 4-yarn guide roller, 5-widening warp yarn and 6-frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1 to 4, the embodiment specifically discloses a technical scheme of a constant tension unwinding device for flat fiber bundle warp yarns, which includes a frame 6, wherein an expanding unwinding yarn reel 1, a yarn guide wheel 2, a tension roller 3 and a yarn guide roller 4 are rotatably mounted on the frame 6 from left to right in sequence; the rear side of the rack 6 further comprises an unwinding motor 101, the output end of the unwinding motor 101 is connected with the connecting shaft end of the widening unwinding yarn disc 1 in a driving mode, and widening warp yarns 5 wound on the widening unwinding yarn disc 1 sequentially bypass the yarn guide wheel 2, the tension roller 3 and the yarn guide roller 4 to be unwound. When the technical scheme is used specifically, the unwinding motor 101 is controlled to work to drive the widening and unwinding yarn disc 1 to rotate, and the widening warp yarns 5 wound and guided by the yarn guide wheel 2, the tension roller 3 and the yarn guide roller 4 are unwound. And can lead to widening warp 5 through the yarn guide roller 4 of above-mentioned setting, tension roll 3 can respond to the detection to the tension of widening warp 5 to control unreeling motor 101 unreel slew velocity, so that realize the purpose that transverse tension unreeled, yarn guide wheel 2 can further spacing and direction widening warp 5.

In the present embodiment, the yarn guide wheel 2 includes a rotation shaft 201 and a guide wheel 202; a rotating shaft 201 is installed on the frame 6, and a guide wheel 202 is rotatably sleeved on the rotating shaft 201 through a bearing. Further enhancing the stability of the yarn guide wheel 2 during rotation.

In this embodiment, the guide wheel 202 includes a cylinder and an annular groove; the circumferential outer surface of the cylinder body is provided with an annular groove, and the axis of the annular groove is consistent with the axis of the cylinder body. Through the opening of the annular grooves, the effect of limiting the spread warp yarns 5 is further achieved.

In this embodiment, the shaft end of the tension roller 3 further includes a tension sensor 301 mounted thereon, and the tension sensor 301 is a flange-type tension sensor. Through the tension sensor 301 that above-mentioned set up, can real-time detection its tension roller 3 go up the tension value of the widening warp 5 of wraparound to on sending data to the PLC controller, the PLC controller control unreels motor 101 and adjusts the rotational speed, makes tension remain invariable throughout, avoid tension too big or undersize to cause the widening warp 5 to unreel the phenomenon that the effect is poor.

In this embodiment, the unwinding motor 101 is a servo motor, so that the rotating speed can be conveniently controlled and adjusted.

In the present embodiment, the tension roller 3 is disposed at the center between the yarn guiding wheel 2 and the yarn guiding roller 4, and the tension roller 3 is disposed below the yarn guiding wheel 2 and the yarn guiding roller 4.

In this embodiment, still include control terminal's PLC controller, PLC controller respectively with unreel motor 101 and tension sensor 301 electric connection, be convenient for reach accurate control and regulation.

In this embodiment, a widened warp stabilizing mechanism is provided to stabilize the widened warp against wandering back and forth during unwinding. The widening warp stabilizing mechanism is arranged between the widening yarn unwinding disc 1 and the yarn guide wheel 2, so that the widening warp which enters tension detection can be stable, and the back-and-forth drift is not generated.

Example 2:

this embodiment differs from embodiment 1 described above in that: the tension roller 3 is located at the position of the yarn guiding wheel 2 and the yarn guiding roller 4, that is, the axes of the three are located at the same horizontal position (see the position difference of the tension roller 3 in fig. 1 and fig. 2), so that according to actual conditions, any arrangement mode of the embodiment 1 or the embodiment 2 can be further selected to achieve the best tension detection and guiding effect.

By adopting the design and the use of the structure, the utility model solves the problem that the existing widening warp unwinding device can not realize tension control on widening warps 5 during unwinding, so that the unwinding effect is poor, controls the unwinding motor 101 to adjust the rotating speed through the PLC controller and the tension sensor 301, so that the tension is always kept constant, and the phenomenon of poor unwinding effect of the widening warps 5 caused by too large or too small tension is avoided.

The constant-tension unwinding device is not only suitable for carbon fiber warps, but also suitable for woven cloth warps made of other fiber materials such as glass fibers, aramid fibers, quartz yarns, silicon carbide, silicon nitride, aluminum oxide, polyurethane or polyethylene and the like. Meanwhile, the control mode of the electrical element is controlled by a PLC (programmable logic controller) of a control terminal matched with the electrical element, and a control circuit can be realized by simple programming of a person skilled in the art, and the electrical element belongs to the common knowledge in the field, is only used without being improved, and is mainly used for protecting a mechanical device, so the control mode and the circuit connection are not described in detail in the utility model.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a constant tension unwinding device of flat tow warp, includes frame (6), its characterized in that: the widening unreeling yarn disk (1), the yarn guide wheel (2), the tension roller (3) and the yarn guide roller (4) are sequentially and rotatably arranged on the rack (6) from left to right; the rear side of the rack (6) further comprises an unwinding motor (101) which is installed, the output end of the unwinding motor (101) is connected with the connecting shaft end of the widening unwinding yarn disc (1) in a driving mode, and widening warp yarns (5) wound on the widening unwinding yarn disc (1) sequentially bypass the yarn guide wheel (2), the tension roller (3) and the yarn guide roller (4) and then are unwound.

2. The unwinding device according to claim 1, characterised in that said yarn-guide wheel (2) comprises a rotating shaft (201) and a guide wheel (202); the rotating shaft (201) is installed on the rack (6), and the guide wheel (202) is rotatably sleeved on the rotating shaft (201) through a bearing.

3. The unwinding device according to claim 2, characterised in that said guide wheel (202) comprises a cylinder and an annular groove; the circumferential outer surface of the cylinder body is provided with the annular groove, and the axis of the annular groove is consistent with the axis of the cylinder body.

4. The constant-tension unwinding device for flat fiber bundle warp yarns as claimed in claim 1, wherein the axial end of the tension roller (3) further comprises a tension sensor (301) mounted thereon, and the tension sensor (301) is a flange-type tension sensor.

5. The constant-tension unwinding device for the warp yarns of flat fiber bundles according to claim 1, characterized in that the unwinding motor (101) is a servo motor.

6. The unwinding device according to claim 1, wherein the tension roller (3) is located at the center between the yarn guide wheel (2) and the yarn guide roller (4), and the tension roller (3) is located below the yarn guide wheel (2) and the yarn guide roller (4) or the axes of the three are located at the same horizontal position.

7. The constant-tension unwinding device for flat fiber bundle warp yarns as claimed in claim 4, further comprising a PLC controller of a control terminal, wherein the PLC controller is electrically connected with the unwinding motor (101) and the tension sensor (301), respectively.