CN113062107B - Weft straightening method, weft straightening mechanism and weft straightening device for solving wavy bend of fabric weft - Google Patents

Abstract

The invention discloses a weft straightening method, a weft straightening mechanism and a weft straightening device for solving the wavy bend of weft yarns of fabrics, and belongs to the fields of spinning, printing and dyeing and after finishing. The invention relates to a weft straightening method for solving the wavy bend of weft yarns of a fabric, which is characterized in that driving rollers with the same diameter are arranged in multiple sections in the weft direction of the fabric, the driving rollers of the sections are independently controlled to drive, the fabric sequentially passes through the driving rollers of the sections in the weft direction, so that the sections in the weft direction of the fabric can be controlled to run at the required warp direction speed, and the purpose of correcting the weft error of the fabric is achieved under the action of the corresponding speed of the driving rollers of the sections and the differential slip among the driving rollers of the sections. The invention also discloses a weft straightening mechanism and a weft straightening device for solving the wavy curve of the fabric weft. The invention solves the problem that the traditional weft straightener can not improve the wavy weft dislocation, can effectively solve the phenomenon of all weft dislocation, and has the advantages of strong universality, easy implementation, simple and compact weft straightening mechanism structure, high production efficiency and the like.

Description

Weft straightening method, weft straightening mechanism and weft straightening device for solving wavy bend of fabric weft

Technical Field

The invention relates to a fabric weft staggering weft straightening method and a weft straightening mechanism, in particular to a weft straightening method, a weft straightening mechanism and a weft straightening device for solving the problem of wavy bends of fabric weft.

Background

During the weaving and dyeing process, the fabric is influenced by continuous stretching in the warp direction and various factors, and the phenomenon of weft yarn deflection and bending is often generated, and the phenomenon is called weft error or weft deviation. If not corrected in time, the garment may be deformed after the garment is finished, which may seriously affect the quality of the product. The weft miss phenomenon is an indispensable process in the printing and dyeing and post-finishing processes, and the weft straightener is widely applied to the fields of printing and dyeing and post-finishing.

As shown in FIG. 1, the basic types of the weft dislocation include a straight skew shape, an arc shape, a mixed skew arc shape, and a wave shape (multi-stage irregularity). To correct the weft miss-over, the warp miss-over point of each weft needs to be moved by a corresponding different distance or at a corresponding different warp speed in a certain time while the weft is uniform in the warp direction. As shown in fig. 2, the running direction of the fabric is the warp direction, the direction perpendicular to the warp direction is the weft direction, the thick solid line represents the weft miss type, the dotted line represents the normal state of the weft which is reached after a certain time of the running direction of the fabric, and the thin solid line represents the different warp direction distances which are passed by each weft miss point within a certain time. The different distances divided by a certain time are the different warp speeds required for the correction of different weft faults of the fabric.

The weft straightener is a universal device for correcting weft errors, and the working principle of the weft straightener is that the relative position of the fabric weft yarns is adjusted through the mechanical action of a weft straightener, so that the warp direction of the corresponding part of the oblique weft yarns is advanced or lagged, and the correct warp direction position of the weft yarns in the whole width is recovered.

The traditional weft straightener consists of a plurality of straight rollers and a plurality of bending rollers, the fabric runs between the roller sets, and the warp distance of the fabric which runs left and right within a certain time is changed linearly by adjusting the left and right offset angles of the straight rollers so as to solve the problem of straight line oblique weft error of the fabric. The radial angle of the bending roll is adjusted, so that the arc-shaped protrusion amount of the bending roll is changed, different warp-direction distances (related to the arc shape of the bending roll) of different points of the fabric, which are walked within a certain time, are changed, and the problem of wrong weft in the arc shape of the fabric is solved. The two methods are combined and applied, and the problem of mixed oblique arc weft staggering can be solved.

The wave-shaped weft error (multi-section irregularity) is limited by the structural principle of the traditional weft straightening equipment at present, a reliable solution is not provided, the problem is called 'cancer' of the fabric, and the problem is long sought to be solved in the industry.

Chinese patent application No. 201910550634.7 proposes a patent application of 'a weft straightening mechanism, a weft straightening device and a weft straightening method aiming at wavy weft bends', wherein the weft straightening mechanism comprises a plurality of cloth jacking mechanisms which are arranged along the weft direction of a fabric; each cloth pushing mechanism comprises a base, a cloth pushing head capable of moving back and forth towards the fabric direction, and a driving device for driving the cloth pushing head to move back and forth; one side of the cloth jacking head facing the fabric is in an arc shape protruding towards the fabric, and the position of the base in the weft direction of the fabric is adjustable. The weft straightening device comprises the weft straightening mechanism, the cloth guide roller group and a photoelectric detector for detecting the weft bending condition of the fabric. The weft straightening method aiming at the wavy weft bending comprises the following steps: A. moving the fabric along the warp direction through the guide roller group; B. in a certain weft direction of the fabric, a cloth jacking mechanism is utilized to jack up all the positions bent towards the front weft; C. and detecting the weft straightening condition. This patent application realizes the correction of wave latitude mistake through a plurality of cloth mechanisms that push up, can play certain corrective action to wave latitude mistake, but push up cloth mechanism working process in the staggered state, in order to prevent and produce the scraping between the fabric, push up the cloth head and need make the cambered surface form, and the cambered surface form top cloth head also makes the fabric by arc jack-up, each cloth mechanism that pushes up simultaneously need remove in latitudinal direction, structural design is complicated relatively and is bloated, whole latitude control is more complicated relatively.

Disclosure of Invention

1. Technical problem to be solved by the invention

The invention aims to overcome the defects of the existing weft straightener in weft straightening principle and structural design, and aims to provide a weft straightening method, a weft straightening mechanism and a weft straightening device for solving the wavy bend of the weft of a fabric.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

the invention relates to a weft straightening method for solving the wavy bend of weft yarns of a fabric, which is characterized in that driving rollers with the same diameter are arranged in multiple sections in the weft direction of the fabric, the driving rollers of the sections are independently controlled to drive, the fabric sequentially passes through the driving rollers of the sections in the weft direction, so that the sections in the weft direction of the fabric can be controlled to run at the required warp direction speed, and the purpose of correcting the weft error of the fabric is achieved under the action of the corresponding speed of the driving rollers of the sections and the differential slip among the driving rollers of the sections.

The weft straightening mechanism comprises an installation shaft roller and a plurality of groups of transmission rollers with the same diameter, wherein the installation shaft roller is arranged along the weft direction of the fabric, the transmission rollers of each group are sequentially sleeved outside the installation shaft roller in an axial rotating manner, and each group of transmission rollers is in transmission connection with a group of driving mechanisms for driving the transmission rollers to rotate and controlling the rotating speed, so that a plurality of sections of transmission rollers with the same diameter are formed.

Furthermore, the multi-section same-diameter driving rollers comprise an installation inner cylinder and a plurality of groups of outer sleeve rollers with the same diameter, the installation inner cylinder is used as an installation shaft roller, the outer sleeve rollers are used as driving rollers, the outer sleeve rollers of each group are sequentially sleeved on the outer side of the installation inner cylinder in an axial rotating manner, and each group of outer sleeve rollers are in transmission connection with one group of independent driving mechanisms; the independent driving mechanism comprises a speed reducing motor, a transmission shaft and an external gear, the transmission shaft is rotatably supported on the inner side of the mounting inner cylinder, one end of the transmission shaft is in transmission connection with an output shaft of the speed reducing motor, the other end of the transmission shaft is in transmission connection with the external gear, an opening for avoiding the external gear is formed in the wall of the mounting inner cylinder, inner gear rings are arranged on the inner walls of the roller bodies of the outer sleeve rollers, and the inner gear rings on the inner side of each group of outer sleeve rollers are in meshing transmission with the external gears in the corresponding independent driving mechanism.

Furthermore, the output shaft of the speed reducing motor is connected with the transmission shaft through a coupler, the transmission shaft is coaxially connected with the external gear, and the speed reducing motors of the independent driving mechanisms of each group are uniformly arranged at one end or two ends of the mounting inner cylinder along the circumferential direction according to the number of the outer sleeve rollers.

Furthermore, an end flange is arranged at the end part of the cylinder body of the installation inner cylinder, first bearings for supporting one end of the transmission shaft are uniformly arranged on the end flange along the circumferential direction, a bearing seat is arranged on the inner wall of the cylinder body of the installation inner cylinder, and a second bearing for supporting the other end of the transmission shaft is arranged in the bearing seat; the inner sides of two ends of the roller body of the outer sleeve roller are respectively provided with a roller body bearing seat, and the roller body bearing seats are provided with roller body bearings which are used for being installed on the outer wall of the roller body of the inner roller.

Furthermore, the roll body outer wall middle section cladding of outer shell roller have the rubber layer, roll body outer wall both ends cover is equipped with first transition cover and second transition cover, the external diameter of first transition cover and second transition cover the same with roll body middle section rubber layer external diameter, and the smooth transition cooperation of first transition cover and second transition cover on the adjacent outer shell roller, first transition cover and second transition cover all adopt stereoplasm antifriction non-metallic material to make.

Furthermore, the multi-section same-diameter driving roller comprises a mounting shaft and a plurality of groups of sleeve motors with the same diameter, the mounting shaft is used as a mounting shaft roller, the sleeve motors are used as driving rollers, and the sleeve motors of all the groups are sequentially mounted on the outer side of the mounting shaft; the sleeve motor include motor stator axle, coil, motor rotor cover and magnet, the coil around locating motor stator epaxial, magnet fixed mounting on motor rotor cover's inner wall, motor rotor cover's both ends pass through motor bearing and rotate and install on motor stator is epaxial, coil and magnet cooperate, drive motor rotor cover relative rotation on motor stator is epaxial under the coil lets in the current effect, motor stator fix and install epaxially.

Further, the outer wall middle section cladding of motor rotor cover have the rubber coating, motor rotor cover outer wall both ends cover is equipped with third transition cover and fourth transition cover, the external diameter of third transition cover and fourth transition cover the same with the rubber coating external diameter in motor rotor cover middle section, and the cooperation of smooth transition is overlapped to third transition cover and fourth transition on the adjacent motor rotor cover, third transition cover and fourth transition cover all adopt stereoplasm antifriction non-metallic material to make.

The invention relates to a weft straightening device for solving the wavy bend of fabric weft, which comprises a rack, a cloth guide roller, an industrial personal computer, a detection device and the weft straightening mechanism, wherein a plurality of sections of same-diameter driving rollers of the weft straightening mechanism are arranged on the rack along the weft direction of the fabric, the fabric is wound on the plurality of sections of same-diameter driving rollers through the cloth guide roller, the detection device is arranged on the fabric outlet side of the fabric and is in communication connection with the industrial personal computer for detecting the weft wrong information of the fabric, and the industrial personal computer is in communication connection with the plurality of sections of same-diameter driving rollers for controlling each group of driving rollers of the plurality of sections of same-diameter driving rollers to rotate independently and controllably according to the weft wrong information of the fabric fed back by the detection device.

Further, still include the whole skew mechanism of straight roll and the whole arc mechanism of curved roll, the whole skew mechanism of straight roll and the whole arc mechanism of curved roll all install in the frame, and the whole skew mechanism of straight roll and the whole arc mechanism of curved roll are located the fabric cloth feeding side of the same footpath driving roller of multistage, the fabric is around on the same footpath driving roller of multistage behind the whole skew mechanism of straight roll and the whole arc mechanism of curved roll.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:

(1) according to the weft straightening method, the weft straightening mechanism and the device for solving the wavy bend of the fabric weft, the driving rollers with the same diameter are arranged in the weft direction of the fabric in a full-width multi-section mode, the driving rollers at all sections are independently controlled to drive, the fabric sequentially passes through the driving rollers at all sections in the weft direction, all sections in the weft direction of the fabric can be controlled to run at the required warp direction speed, and the purpose of correcting the fabric weft mistake is achieved under the action of the corresponding speed of the driving rollers at all sections and the differential slip between the driving rollers at all sections; compared with the existing top cloth weft straightening method, the weft straightening method and device provided by the invention are simpler, strong in universality, easy to implement, simple and compact in structure, higher in production efficiency, more flexible and convenient in weft straightening control and better in weft straightening effect;

(2) the weft straightening method, the weft straightening mechanism and the weft straightening device for solving the wavy bend of the fabric weft can simultaneously straighten the weft of double-width or multiple-width fabrics on the same wide weft straightener, greatly improve the utilization rate and the production efficiency of equipment, save energy, greatly reduce the cost and generate great economic benefit;

(3) according to the weft straightening mechanism and device for solving the wavy bend of the fabric weft, the multi-section same-diameter driving rollers are adopted to be independently controlled in different weft directions of the fabric, the weft straightening mechanism and device have the advantages of advanced principle and feasibility, can be used independently or combined with a traditional weft straightening machine, solve various weft wrong problems revolutionarily, are high in universality and have great economic and practical values;

(4) according to the weft straightening mechanism and device for solving the wavy bending of the fabric weft, the multiple sections of same-diameter transmission rollers adopt the independent motor gear transmission mechanisms to drive each group of outer sleeve rollers to work independently, the speed reducing motor drives the outer gear to rotate through the transmission shaft, the outer gear is in meshing transmission with the inner gear ring on the inner side of the corresponding outer sleeve roller, each outer sleeve roller can be driven to rotate stably, the rotating speed of each outer sleeve roller can be controlled independently, the mechanism structure is compact, and the transmission is stable and reliable;

(4) according to the weft straightening mechanism and device for solving the wavy bending of the fabric weft, the speed reducing motors of each group of independent driving mechanisms are uniformly arranged at one end or two ends of the mounting inner cylinder along the circumferential direction according to the number of the outer sleeve rollers, so that the interference of the mounting positions of the speed reducing motors can be avoided, the motors and the driving mechanisms thereof can be conveniently and reasonably arranged, and the structures of the multiple sections of driving rollers with the same diameter are more compact;

(5) according to the weft straightening mechanism and device for solving the wavy bending of the fabric weft, the end flange is arranged at the end part of the cylinder body of the mounting inner cylinder, the first bearing for supporting one end of the transmission shaft is uniformly arranged on the end flange along the circumferential direction, the inner wall of the cylinder body of the mounting inner cylinder is provided with the bearing seat, and the second bearing for supporting the other end of the transmission shaft is arranged in the bearing seat, so that the transmission of the transmission shaft is more stable and reliable;

(6) according to the weft straightening mechanism and device for solving the wavy bending of the fabric weft, the multi-section same-diameter driving rollers are designed in a sleeve motor structure, so that the driving mechanism is omitted, the structural design is simpler and more compact, the installation number of the sleeve motors on the installation shaft rollers is not limited, and the multi-section same-diameter driving rollers can be flexibly arranged in the weft straightening mechanism and device conveniently;

(7) according to the weft straightening mechanism and device for solving the wavy bending of the fabric weft, the outer wall of the roller body of the outer sleeve roller or the middle section of the outer wall of the motor rotor sleeve is coated with the rubber layer, the two ends of the outer sleeve roller are sleeved with the transition sleeve, the outer diameter of the transition sleeve is the same as that of the middle section rubber layer, the transition sleeves on the adjacent outer sleeve roller or the motor rotor sleeve are in smooth transition fit, and the transition sleeves are made of hard antifriction non-metallic materials; the middle rubber layer ensures large friction force with the fabric, the transition sleeve enables the joint of each section of driving roller to effectively slide when speed difference exists, and meanwhile, the fabric can easily slide in the surface transition section between the rollers to form a smooth transition section, thereby being beneficial to finishing the fabric weft into smooth lines.

Drawings

FIG. 1 is a schematic representation of the basic type of fabric having weft offsets;

FIG. 2 is a schematic diagram of the principle of correction of different types of weft faults;

FIG. 3 is a schematic structural view of a multi-segment same-diameter driving roller for solving the wavy bending of the weft yarns of the fabric;

FIG. 4 is a schematic diagram of the weft straightening principle of a multi-section same-diameter driving roller for solving the wavy bending of the weft of the fabric;

FIG. 5 is a schematic structural view of a multi-stage constant diameter driving roller according to embodiment 1 of the present invention;

FIG. 6 is a schematic sectional view taken along the line A-A in FIG. 5;

FIG. 7 is a schematic view of a portion of the enlarged structure at I in FIG. 6;

FIG. 8 is a schematic sectional view taken along line B-B in FIG. 6;

FIG. 9 is a schematic structural view of an outer shell roller of a multi-stage constant diameter driving roller according to embodiment 1 of the present invention;

FIG. 10 is a schematic structural view of an inner cylinder for mounting a plurality of stages of constant-diameter driving rollers according to embodiment 1 of the present invention;

FIG. 11 is a schematic cross-sectional view taken along the line C-C in FIG. 10;

FIG. 12 is a schematic view of FIG. 11 taken along line E;

FIG. 13 is a view from direction F of FIG. 11;

FIG. 14 is a schematic sectional view showing the multi-stage constant diameter driving roller according to embodiment 2 of the present invention;

FIG. 15 is a schematic cross-sectional view of a sleeve motor with multiple stages of driving rollers of the same diameter in embodiment 2 of the present invention;

FIG. 16 is a cross-sectional view taken along line D-D in FIG. 15;

FIG. 17 is a schematic view of an arrangement of a weft straightener for solving the waviness of the fabric weft of the present invention;

FIG. 18 is a schematic view of another arrangement of the weft straightener for solving the waviness of the fabric weft of the invention.

The reference numerals in the schematic drawings illustrate:

1. an outer shell roller; 1.1, a roller body; 1.2, a first transition sleeve; 1.3, a second transition sleeve; 1.4, an inner gear ring; 2. installing an inner cylinder; 2.1, a cylinder body; 2.2, end flanges; 2.3, a first bearing; 2.4, opening; 3. installing a base body; 4. an independent drive mechanism; 4.1, a speed reducing motor; 4.2, a coupler; 4.3, a transmission shaft; 4.4, a bearing seat; 4.5, a second bearing; 4.6, a space ring; 4.7, an external gear; 5. a first spacer ring; 6. a roller body bearing seat; 7. a roller bearing; 8. a second spacer ring; 9. positioning rings; 10. end sleeves;

1', a sleeve motor; 1.1', motor stator shaft; 1.2', a coil; 1.3', a motor rotor sleeve; 1.4', a magnet; 1.5', rubber coating layer; 1.6' and a third transition sleeve; 1.7', a fourth transition sleeve; 1.8', motor bearings; 2', mounting a shaft; 3', a positioning ring;

100. a plurality of sections of same-diameter transmission rollers; 101. a driving roller; 102. mounting a shaft roller; 200. an industrial personal computer; 300. a detection device; 400. a straight roll inclination adjusting mechanism; 500. a roller bending and arc adjusting mechanism.

Detailed Description

For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.

As shown in figures 3 and 4, the principle of the weft straightening method for solving the wavy bend of the weft of the fabric is based on the effect that the weft at the weft staggered point runs at different warp speeds, and the warp position of the weft in the weft is normal. Specifically, the driving rollers 101 with the same diameter are arranged in the full width and multiple sections of the fabric weft direction to form multiple sections of driving rollers 100 with the same diameter, the driving rollers 101 of the sections are independently controlled to drive, the fabric sequentially passes through the driving rollers 101 of the sections in the weft direction, so that the weft sections of the fabric weft direction can be controlled to run at the required warp direction speed, and the purpose of correcting the fabric weft deviation is achieved under the action of the corresponding speed of the driving rollers 101 of the sections and the differential slippage between the driving rollers 101 of the sections.

Fig. 3 is a schematic structural view of a 9-segment driving roller 101 as an example, and a-I are driving rollers 101 capable of rotating independently and respectively sleeved on fixed mounting rollers 102. a-I are speed-adjustable driving devices which respectively and correspondingly control the A-I section driving rollers 101 to independently rotate on the outer circular surface of the installation shaft roller 102. Fig. 4 is a schematic diagram of the weft straightening principle of the multi-segment same-diameter driving roller 100 shown in fig. 3, wherein a in fig. 4 represents the shape of a weft to be straightened, b represents a warp-direction speed curve diagram of each weft-direction point theoretically required for straightening the weft dislocation, and c represents a speed value diagram of each segment of the multi-segment same-diameter driving roller 100 calculated by software according to a theoretical speed curve, wherein a thin curve represents the theoretical speed curve, and a multi-segment thick solid line represents the actual running speed of each segment of the multi-segment driving roller 101. Under the action of multiple stages of corresponding speeds and the natural slip transition effect among the differential rollers, various weft miss phenomena can be effectively solved. The number of the driving rollers 101 can be increased or decreased according to the process requirements, and the invention is only based on the principle and is not limited by the number of specific stages.

Based on the weft straightening method, the weft straightening mechanism for solving the wavy bend of the fabric weft comprises an installation shaft roller 102 and a plurality of groups of transmission rollers 101 with the same diameter, wherein the installation shaft roller 102 is arranged along the fabric weft direction, the transmission rollers 101 are sequentially sleeved outside the installation shaft roller 102 in an axial rotating manner, and each group of transmission rollers 101 are in transmission connection with a group of driving mechanisms for driving the transmission rollers 101 to rotate and controlling the rotating speed, so that a plurality of sections of transmission rollers 100 with the same diameter are formed. The multi-section same-diameter driving roller 100 is applied to the weft straightener to realize correction of various weft errors.

Compared with the traditional weft straightening method, the weft straightening method and the weft straightening mechanism for solving the wavy curve of the fabric weft can effectively solve the phenomenon of all weft errors, particularly can improve the problem of the wavy weft errors, and solve the problem of fabric cancer which troubles the industry for a long time; compared with the existing top cloth weft straightening method, the weft straightening method and device provided by the invention are simpler, strong in universality, easy to implement, simple and compact in structure, higher in production efficiency, more flexible and convenient in weft straightening control and better in weft straightening effect.

Based on the weft straightening principle and method, the invention is further described below with reference to the following embodiments.

[ example 1]

Fig. 5 to 13 are schematic structural views of a weft straightening mechanism for solving the wavy curve of the fabric weft in the embodiment. The weft straightening mechanism for solving the wavy bending of the fabric weft comprises an installation shaft roller 102 and a plurality of groups of driving rollers 101 with the same diameter, wherein the installation shaft roller 102 is arranged along the weft direction of the fabric, each group of driving rollers 101 are sequentially sleeved outside the installation shaft roller 102 in an axial rotating mode, each group of driving rollers 101 are connected with a group of driving mechanisms used for driving the driving rollers 101 to rotate and controlling the rotating speed in a transmission mode, and a plurality of sections of the same-diameter driving rollers 100 are formed. Specifically, as shown in fig. 5, the multi-section same-diameter driving roller 100 includes an installation inner cylinder 2 and a plurality of sets of outer rollers 1 with the same diameter, the installation inner cylinder 2 is used as an installation shaft roller 102, the outer rollers 1 are used as driving rollers 101, each set of outer rollers 1 is axially and rotatably sleeved on the outer side of the installation inner cylinder 2 in sequence, two ends of the installation inner cylinder 2 are respectively fixed on an installation base body 3, and each set of outer rollers 1 is in transmission connection with a set of independent driving mechanisms 4. As shown in fig. 6 to 11, the independent driving mechanism 4 includes a speed reduction motor 4.1, a transmission shaft 4.3 and an external gear 4.7, the transmission shaft 4.3 is rotatably supported inside the mounting inner cylinder 2, one end of the transmission shaft 4.3 is in transmission connection with an output shaft of the speed reduction motor 4.1, the other end of the transmission shaft 4.3 is in transmission connection with the external gear 4.7, an opening 2.4 (shown in fig. 11) for avoiding the external gear 4.7 is arranged on the cylinder wall of the mounting inner cylinder 2, inner gear rings 1.4 are arranged on the inner wall of the roller body 1.1 of the outer sleeve roller 1, and the inner gear rings 1.4 inside each set of outer sleeve rollers 1 are in meshing transmission with the external gear 4.7 in the corresponding independent driving mechanism 4. The speed reducing motor 4.1 works to drive the transmission shaft 4.3 to rotate, the transmission shaft 4.3 drives the outer gear 4.7 to rotate, the outer gear 4.7 drives the inner gear ring 1.4 of the corresponding outer sleeve roller 1 to rotate, the corresponding outer sleeve roller 1 is driven to rotate, and the rotating speed of the corresponding outer sleeve roller 1 can be controlled through the rotating speed control of the speed reducing motor 4.1.

As shown in fig. 6, in this embodiment, the output shaft of the above-mentioned reduction motor 4.1 is connected with the transmission shaft 4.3 through the coupling 4.2, the transmission shaft 4.3 is coaxially connected with the external gear 4.7, and the reduction motors 4.1 of each group of independent driving mechanisms 4 are uniformly arranged along the circumferential direction at one end or both ends of the installation inner cylinder 2 according to the number of the outer sleeve rollers 1, so as to avoid the interference of the installation positions of the reduction motors 4.1, facilitate the reasonable arrangement of the motors and the transmission mechanisms thereof, and make the structure of the multi-section same-diameter transmission roller 100 more compact. The speed reducing motor 4.1 can be fixed on the mounting base body 3, an end flange 2.2 (shown in figure 11) is arranged at the end part of a cylinder body 2.1 of the mounting inner cylinder 2, a first bearing 2.3 for supporting one end of the transmission shaft 4.3 is uniformly arranged on the end flange 2.2 along the circumferential direction, a bearing seat 4.4 (shown in figure 7) is arranged on the inner wall of the cylinder body 2.1 of the mounting inner cylinder 2, a second bearing 4.5 for supporting the other end of the transmission shaft 4.3 is arranged in the bearing seat 4.4, and two ends of the transmission shaft 4.3 are rotatably supported through the first bearing 2.3 and the second bearing 4.5, so that the transmission of the transmission shaft 4.3 is more stable and reliable; the transmission shaft 4.3 adopts an optical axis structure, a spacer ring 4.6 sleeved on the transmission shaft 4.3 is arranged between the inner ring of the second bearing 4.5 and the outer gear 4.7, the outer gear 4.7 is connected with the transmission shaft 4.3 by adopting a flat key, and the outer gear 4.7 is fixed on the transmission shaft 4.3 at the end part of the transmission shaft 4.3 by parts such as a shaft collar and the like. As shown in fig. 7 and 8, the inner gear ring 1.4 is circumferentially fixed on the roller body 1.1 of the outer sleeve roller 1 by a plurality of screws, roller body bearing seats 6 are respectively arranged on the inner sides of the two ends of the roller body 1.1 of the outer sleeve roller 1, roller body bearings 7 used for being mounted on the outer wall of the roller body 2.1 of the inner mounting barrel 2 are arranged on the roller body bearing seats 6, the inner gear ring 1.4 is positioned on the inner side of the roller body 1.1 by using step holes, the roller body bearing seats 6 on one side of the inner gear ring 1.4 are separated from the inner gear ring 1.4 by a first spacer ring 5, and the inner rings of the roller body bearings 7 of the adjacent outer sleeve rollers 1 are separated by a second spacer ring 8, so that the outer sleeve roller 1 stably rotates on the roller body 2.1 of the inner mounting barrel 2.

As shown in fig. 7 and fig. 9, in this embodiment, the roller body 1.1 of the outer roller 1 is a metal member, the middle section of the outer wall of the roller body 1.1 of the outer roller 1 is coated with a rubber layer, and the middle rubber layer ensures a large friction force with the fabric; the two ends of the outer wall of the roller body 1.1 are sleeved with a first transition sleeve 1.2 and a second transition sleeve 1.3, the outer diameters of the first transition sleeve 1.2 and the second transition sleeve 1.3 are the same as the outer diameter of the middle rubber layer of the roller body 1.1, the first transition sleeve 1.2 and the second transition sleeve 1.3 on the adjacent outer sleeve roller 1 are in smooth transition fit, the first transition sleeve 1.2 and the second transition sleeve 1.3 are both made of hard antifriction non-metal materials, such as nylon materials, the transition sleeves are utilized to enable the combination of the transmission rollers of each section to effectively slide when speed difference exists, meanwhile, the fabric can easily slide in the surface transition section between the rollers, so that the smooth transition section is formed, and the fabric weft is favorably integrated into a smooth line. A concave-convex step matching structure (shown in figure 7) is designed between the first transition sleeve 1.2 and the second transition sleeve 1.3 on the adjacent outer sleeve rollers 1, so that the relative sliding of the adjacent outer sleeve rollers 1 is ensured, and meanwhile, the good sealing performance is ensured, so that the internal components of the outer sleeve rollers 1 are protected. In order to ensure that the outer end part of the outer sleeve roller 1 at the outermost side is flat, the outer end part of the roller body 1.1 of the outer sleeve roller 1 at the outermost side is provided with an end sleeve 10, and the end sleeve 10 is used for replacing a transition sleeve at the outer ends of the two groups of outer sleeve rollers 1 at the outermost side.

As shown in fig. 10 and 11, the cylinder 2.1 and the end flange 2.2 for mounting the inner cylinder 2 are also made of metal, the cylinder 2.1 is made of a metal circular tube, and a bearing mounting surface for mounting the roller bearing 7 and a mounting hole for mounting the bearing seat 4.4 are formed on the outer circular surface of the cylinder. End flanges 2.2 are fixed inside two ends of the cylinder body 2.1 through screws, and the end flanges 2.2 are used as mounting points of the mounting inner cylinder 2 on the mounting base body 3 and are used as supports for one end of the transmission shaft 4.3. Fig. 12 and 13 show the respective positions of the first bearings 2.3 of the drive shaft 4.3 of the respective jacket roller section 1 in the direction E and in the direction F in fig. 11 in the circumferential direction. During installation, the installation inner cylinder 2 is installed on the installation base body 3 through the end flange 2.2 and serves as an installation basis of the outer sleeve roller 1, the multi-section outer sleeve roller 1 is sequentially sleeved at the corresponding position of the circular surface of the installation inner cylinder 2 through the roller bearing seat 6 and the roller bearing 7, the middle of the multi-section outer sleeve roller is separated by the first spacing ring 5 and the second spacing ring 8, the outer sleeve roller 1 located on the outermost side is positioned on the installation inner cylinder 2 through the positioning ring 9, and therefore each section of the outer sleeve roller 1 can independently rotate on the installation inner cylinder 2.

In the weft straightening mechanism for solving the wavy bending of the fabric weft, each section of the same-diameter outer sleeve roller 1 of the multi-section same-diameter driving roller 100 can obtain the independently controllable surface linear speed in the weft direction, so that the warp speed of the fabric can be controlled, and various weft errors can be corrected. By adopting the multi-section same-diameter driving roller 100 to independently control different latitudinal directions of the fabric, the fabric has the advantages of advanced principle and implementability, can be used independently or combined with a traditional weft straightener, solves various weft miss problems revolutionarily, has strong universality and great economic and practical values. In addition, by sampling the multi-section same-diameter driving roller 100, double-width or multi-width narrow fabrics can be subjected to weft straightening simultaneously on the same wide weft straightening device, so that the utilization rate and the production efficiency of equipment are greatly improved, energy is saved, the cost is greatly reduced, and great economic benefits can be generated.

[ example 2]

Fig. 14 to 16 are schematic structural views of a weft straightening mechanism for solving the wavy curve of the fabric weft in the embodiment. The basic structure and weft straightening principle of the weft straightening mechanism for solving the wavy bend of the fabric weft in the embodiment are the same as those of the embodiment 1, and the difference is that: in this embodiment, the driving mechanism for controlling the rotation of each set of driving rollers 101 is a rotation motor structure, and the installation space is more compact compared to embodiment 1. Specifically, as shown in fig. 14 to 16, the multi-stage same-diameter driving roller 100 includes a mounting shaft 2 'and a plurality of sets of sleeve motors 1' having the same diameter, the mounting shaft 2 'is used as a mounting shaft roller 102, the sleeve motors 1' are used as driving rollers 101, and each set of sleeve motors 1 'is sequentially mounted on the outer side of the mounting shaft 2'; the sleeve motor 1 ' comprises a motor stator shaft 1.1 ', a coil 1.2 ', a motor rotor sleeve 1.3 ' and a magnet 1.4 ', the coil 1.2 ' is wound on the motor stator shaft 1.1 ', the magnet 1.4 ' is fixedly arranged on the inner wall of the motor rotor sleeve 1.3 ', two ends of the motor rotor sleeve 1.3 ' are rotatably arranged on the motor stator shaft 1.1 ' through a motor bearing 1.8 ', the coil 1.2 ' is matched with the magnet 1.4 ', the motor rotor sleeve 1.3 ' is driven to relatively rotate on the motor stator shaft 1.1 ' under the action of current introduced into the coil 1.2 ', and the motor stator shaft 1.1 ' is fixed on the mounting shaft 2 '. The multi-section same-diameter driving roller 100 adopts a sleeve motor structural design, a driving mechanism is omitted, the structural design is simpler and more compact, the use and the installation are more convenient, the installation quantity of the sleeve motor 1 'on the installation shaft 2' is not limited, and the multi-section same-diameter driving roller 100 is convenient to arrange flexibly in a weft straightening mechanism and a weft straightening device.

Similar to embodiment 1, in this embodiment, the middle section of the outer wall of the motor rotor sleeve 1.3 'is coated with the rubber coating layer 1.5', the outer diameters of the third transition sleeve 1.6 'and the fourth transition sleeve 1.7' are sleeved at both ends of the outer wall of the motor rotor sleeve 1.3 'and are the same as the outer diameter of the rubber coating layer 1.5' at the middle section of the motor rotor sleeve 1.3 ', the third transition sleeve 1.6' and the fourth transition sleeve 1.7 'on the adjacent motor rotor sleeve 1.3' are in smooth transition fit, the third transition sleeve 1.6 'and the fourth transition sleeve 1.7' are both made of hard antifriction nonmetal materials, such as nylon materials, the transition sleeves enable the combination of the transmission roller sections to effectively slide when speed difference exists, meanwhile, the fabric can slide on the surface transition section between the rollers, so as to form a smooth transition section, which is beneficial to smooth weft fabric. A concave-convex step matching structure is designed between the third transition sleeve 1.6 ' and the fourth transition sleeve 1.7 ' on the adjacent motor rotor sleeve 1.3 ', so that the relative sliding of the adjacent motor rotor sleeve 1.3 ' is ensured, and meanwhile, the good sealing performance is ensured to protect the internal components of the sleeve motor 1 '. The sleeve motor 1 ' is an independent part, during installation, the sleeve motor 1 ' is sequentially sleeved on the installation shaft 2 ', the two sides of the sleeve motor 1 ' on the outermost side are respectively positioned by the positioning rings 3 ', and after the installation shaft 2 ' is fixed as an installation base body, the sleeve motors 1 ' can independently rotate, so that the sleeve motors 1 ' at all sections can independently rotate on the installation shaft 2 '. The installation axle 2 'preferably adopts hollow metal tube, and the lead wire of sleeve motor 1' can be followed installation axle 2 'inboard and drawn forth, through the rotation of controlling each sleeve motor 1', can obtain independent controllable surface linear velocity in each section in latitudinal direction to this controls fabric warp direction speed, just can correct various latitude mistake.

The multi-segment same-diameter driving roller 100 of the embodiment 1 or the embodiment 2 is applied to the weft straightener to realize correction of various types of weft errors.

As shown in fig. 17, a schematic diagram of an arrangement scheme of a weft straightening device for solving the wavy bend of a fabric weft is provided, which includes a frame, a cloth guide roller, an industrial personal computer 200, a detection device 300 and the weft straightening mechanism of the embodiment 1 or the embodiment 2, wherein multiple sections of same-diameter driving rollers 100 of the weft straightening mechanism are arranged on the frame along the weft direction of the fabric, the fabric is wound on the multiple sections of same-diameter driving rollers 100 through the cloth guide roller, the detection device 300 is arranged at the fabric outlet side and is in communication connection with the industrial personal computer 200 for detecting fabric weft error information, and the industrial personal computer 200 is in communication connection with the multiple sections of same-diameter driving rollers 100 for controlling each group of driving rollers 101 of the multiple sections of same-diameter driving rollers 100 to independently and controllably rotate according to the fabric weft error information fed back by the detection device 300. The working principle of the detection device 300 and the industrial personal computer 200 is the same as that of the existing weft straightener, and only the industrial personal computer 200 is used for independently controlling each group of driving rollers 101 in the multi-section same-diameter driving rollers 100 according to the fabric weft staggering information fed back by the detection device 300, so that the weft yarns at weft staggering points run at different warp speeds, and the effect that the warp positions of the weft yarns in the weft direction are normal is achieved.

As shown in fig. 18, a schematic diagram of another arrangement scheme of a weft straightening device for solving the wavy bending of weft yarns of a fabric includes a frame, a cloth guide roller, an industrial personal computer 200, a detection device 300, a straight roller straightening mechanism 400, a curved roller straightening mechanism 500 and the weft straightening mechanism of the above embodiment 1 or embodiment 2, wherein the straight roller straightening mechanism 400, the curved roller straightening mechanism 500 and the multi-section same-diameter driving rollers 100 of the weft straightening mechanism are all arranged on the frame along the weft direction of the fabric, the fabric is wound on the multi-section same-diameter driving rollers 100 through the cloth guide rollers, the straight roller straightening mechanism 400 and the curved roller straightening mechanism 500 are positioned on the fabric feeding side of the multi-section same-diameter driving rollers 100, the fabric is wound on the multi-section same-diameter driving rollers 100 after passing through the straight roller straightening mechanism 400 and the curved roller straightening mechanism 500, the detection device 300 is positioned on the fabric discharging side and is in communication connection with the industrial personal computer 200 for detecting the wrong weft information of the fabric, and the weft straightening device 200 is respectively connected with the multi-section same-diameter industrial personal computer 100, and the multi-section same-diameter industrial personal computer 100, The straight roller inclination adjusting mechanism 400 is in communication connection with the curved roller arc adjusting mechanism 500, and is used for controlling each group of transmission rollers 101 of the multi-section same-diameter transmission rollers 100 to independently control rotation according to fabric weft error information fed back by the detection device 300, and the straight roller inclination adjusting mechanism 400 and the curved roller arc adjusting mechanism 500 to work, so that the fabric sequentially passes through the straight roller inclination adjusting mechanism 400, the curved roller arc adjusting mechanism 500 and the multi-section same-diameter transmission rollers 100 to realize combined weft adjustment. The straight roll inclination adjusting mechanism 400 and the curved roll arc adjusting mechanism 500 are the same as the conventional straight roll inclination adjusting and curved roll arc adjusting mechanisms, and are not described herein again.

It should be noted that the arrangement scheme of the weft straightening mechanism in the weft straightening device is not limited to the two schemes, and other arrangement schemes can be adopted, and all schemes that the warp direction speed of the fabric is controlled in a sectional manner by using the multi-section same-diameter driving roller 100 to achieve the purpose of weft straightening are within the protection scope of the patent of the invention.

Compared with the traditional weft straightening method, the weft straightening mechanism and the device, the weft straightening method, the weft straightening mechanism and the device for solving the wavy curve of the fabric weft can effectively solve all weft staggering phenomena, particularly can improve the problem of the wavy weft staggering, and solve the problem of fabric cancer which puzzles the industry for a long time; compared with the existing top cloth weft straightening method, the weft straightening method and device provided by the invention are simpler, strong in universality, easy to implement, simple and compact in structure, higher in production efficiency, more flexible and convenient in weft straightening control and better in weft straightening effect. The double-width or multi-width fabric can be subjected to weft straightening simultaneously on the same wide-width weft straightening device, so that the utilization rate and the production efficiency of equipment are greatly improved, energy is saved, the cost is greatly reduced, and great economic benefits can be generated; the weft straightening machine has the advantages of advanced principle, practicability, capability of being used independently or in combination with the traditional weft straightener, capability of solving various weft staggering problems revolutionarily, strong universality and great economic and practical values.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims (4)

1. A weft straightening mechanism for solving the wavy bending of fabric weft yarns comprises an installation shaft roller (102) and a plurality of groups of transmission rollers (101) with the same diameter, wherein the installation shaft roller (102) is arranged along the weft direction of the fabric, the transmission rollers (101) of each group are axially and rotatably sleeved on the outer side of the installation shaft roller (102) in sequence, and each group of transmission rollers (101) is in transmission connection with a group of driving mechanisms for driving the transmission rollers (101) to rotate and controlling the rotating speed to form a plurality of sections of same-diameter transmission rollers (100); the method is characterized in that: the multi-section same-diameter driving roller (100) comprises an installation inner cylinder (2) and a plurality of groups of outer sleeve rollers (1) with the same diameter, wherein the installation inner cylinder (2) is used as an installation shaft roller (102), the outer sleeve rollers (1) are used as driving rollers (101), the outer sleeve rollers (1) of each group are sequentially sleeved on the outer side of the installation inner cylinder (2) in an axial rotating manner, and each group of outer sleeve rollers (1) is in transmission connection with one group of independent driving mechanisms (4); the independent driving mechanism (4) comprises a speed reducing motor (4.1), a transmission shaft (4.3) and an external gear (4.7), the transmission shaft (4.3) is rotatably supported on the inner side of the mounting inner cylinder (2), one end of the transmission shaft (4.3) is in transmission connection with an output shaft of the speed reducing motor (4.1), the other end of the transmission shaft (4.3) is in transmission connection with the external gear (4.7), an opening (2.4) for avoiding the external gear (4.7) is formed in the cylinder wall of the mounting inner cylinder (2), internal gear rings (1.4) are arranged on the inner wall of a roller body (1.1) of the outer sleeve roller (1), and the internal gear rings (1.4) on the inner side of each group of outer sleeve rollers (1) are in meshing transmission with the external gear (4.7) in the corresponding independent driving mechanism (4);

the output shaft of the speed reducing motor (4.1) is connected with the transmission shaft (4.3) through a coupler (4.2), the transmission shaft (4.3) is coaxially connected with the external gear (4.7), and the speed reducing motors (4.1) of each group of independent driving mechanisms (4) are uniformly arranged at one end or two ends of the installation inner cylinder (2) along the circumferential direction according to the number of the outer sleeve rollers (1);

an end flange (2.2) is arranged at the end part of a cylinder body (2.1) for installing the inner cylinder (2), first bearings (2.3) for supporting one end of a transmission shaft (4.3) are uniformly arranged on the end flange (2.2) along the circumferential direction, a bearing seat (4.4) is arranged on the inner wall of the cylinder body (2.1) for installing the inner cylinder (2), and a second bearing (4.5) for supporting the other end of the transmission shaft (4.3) is arranged in the bearing seat (4.4); the inner sides of two ends of a roller body (1.1) of the outer sleeve roller (1) are respectively provided with a roller body bearing seat (6), and the roller body bearing seats (6) are provided with roller body bearings (7) which are used for being arranged on the outer wall of the roller body (2.1) for installing the inner barrel (2);

roll body (1.1) outer wall middle section cladding of overcoat roller (1) have the rubber layer, roll body (1.1) outer wall both ends cover is equipped with first transition cover (1.2) and second transition cover (1.3), the external diameter of first transition cover (1.2) and second transition cover (1.3) the same with roll body (1.1) middle section rubber layer external diameter, and first transition cover (1.2) and second transition cover (1.3) smooth transition cooperation on adjacent overcoat roller (1), first transition cover (1.2) and second transition cover (1.3) all adopt the nonmetal material of stereoplasm antifriction to make.

2. A weft straightening mechanism for solving the wavy bending of fabric weft yarns comprises an installation shaft roller (102) and a plurality of groups of transmission rollers (101) with the same diameter, wherein the installation shaft roller (102) is arranged along the weft direction of the fabric, the transmission rollers (101) of each group are axially and rotatably sleeved on the outer side of the installation shaft roller (102) in sequence, and each group of transmission rollers (101) is in transmission connection with a group of driving mechanisms for driving the transmission rollers (101) to rotate and controlling the rotating speed to form a plurality of sections of same-diameter transmission rollers (100); the method is characterized in that: the multi-section same-diameter driving roller (100) comprises a mounting shaft (2 ') and a plurality of groups of sleeve motors (1') with the same diameter, wherein the mounting shaft (2 ') serves as a mounting shaft roller (102), the sleeve motors (1') serve as driving rollers (101), and the sleeve motors (1 ') of all the groups are sequentially mounted on the outer side of the mounting shaft (2'); the sleeve motor (1 ') comprises a motor stator shaft (1.1 '), a coil (1.2 '), a motor rotor sleeve (1.3 ') and a magnet (1.4 '), wherein the coil (1.2 ') is wound on the motor stator shaft (1.1 '), the magnet (1.4 ') is fixedly arranged on the inner wall of the motor rotor sleeve (1.3 '), two ends of the motor rotor sleeve (1.3 ') are rotatably arranged on the motor stator shaft (1.1 ') through a motor bearing (1.8 '), the coil (1.2 ') is matched with the magnet (1.4 '), the motor rotor sleeve (1.3 ') is driven to relatively rotate on the motor stator shaft (1.1 ') under the action of current introduced into the coil (1.2 '), and the motor stator shaft (1.1 ') is fixed on the mounting shaft (2 ');

the middle section of the outer wall of the motor rotor sleeve (1.3 ') is coated with a rubber coating layer (1.5'), the two ends of the outer wall of the motor rotor sleeve (1.3 ') are sleeved with a third transition sleeve (1.6') and a fourth transition sleeve (1.7 '), the outer diameters of the third transition sleeve (1.6') and the fourth transition sleeve (1.7 ') are the same as the outer diameter of the rubber coating layer (1.5') at the middle section of the motor rotor sleeve (1.3 '), the third transition sleeve (1.6') and the fourth transition sleeve (1.7 ') on the adjacent motor rotor sleeve (1.3') are in smooth transition fit, and the third transition sleeve (1.6 ') and the fourth transition sleeve (1.7') are made of hard antifriction nonmetal materials.

3. The utility model provides a solve curved whole latitude device of fabric woof wave, includes frame, fabric guide roller, industrial computer (200) and detection device (300), its characterized in that: the weft straightening mechanism further comprises a weft straightening mechanism according to claim 1 or 2, wherein multiple sections of the same-diameter driving rollers (100) of the weft straightening mechanism are arranged on the rack along the weft direction of the fabric, the fabric is wound on the multiple sections of the same-diameter driving rollers (100) through the cloth guide rollers, the detection device (300) is arranged on the fabric outlet side and is in communication connection with the industrial personal computer (200) for detecting the wrong weft information of the fabric, and the industrial personal computer (200) is in communication connection with the multiple sections of the same-diameter driving rollers (100) for controlling the independent controlled rotation of all groups of driving rollers (101) of the multiple sections of the same-diameter driving rollers (100) according to the wrong weft information of the fabric fed back by the detection device (300).

4. A weft straightener for solving the waviness of a fabric weft yarn as claimed in claim 3, wherein: still include whole oblique mechanism of straight roll (400) and whole arc mechanism of curved roll (500), whole oblique mechanism of straight roll (400) and whole arc mechanism of curved roll (500) all install in the frame, and the whole oblique mechanism of straight roll (400) and whole arc mechanism of curved roll (500) are located the fabric that the same footpath driving roller of multistage (100) advances the cloth side, and the fabric winds on the same footpath driving roller of multistage (100) after whole oblique mechanism of straight roll (400) and whole arc mechanism of curved roll (500).

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