阅读说明：本技术 一种带辅助撑开的宽幅织机转动导布辊装置 (Wide loom rotation cloth guide roller device with auxiliary opening function ) 是由 钮春荣 郭建洋 李春林 李有红 王亮 李雪宁 孙欢欢 于 2021-08-09 设计创作，主要内容包括：本发明公开了一种带辅助撑开的宽幅织机转动导布辊装置,包括机架和转动设置在机架上的安装辊；带动安装辊转动的驱动结构；均匀设置在安装辊外侧的至少两个导布辊结构；用于连接导布辊结构和安装辊的交叉连杆结构；与任意一个活动连杆的活动端部均转动连接的活动环；贯穿、并螺纹连接活动环的外螺纹筒,与外螺纹筒同轴的齿轮盘,齿轮盘外圈上套接一个齿圈；用于传动齿圈和齿轮之间差速转动的差速传动结构,具体是：齿轮转速大于齿圈转速；控制齿轮盘与安装辊同步转动的对接结构。本发明中导布辊可在安装架上自由转动,布料绕过导布辊后继续输送,导布辊起到改变布料输送方向作用。通过导布辊的撑开或者收缩,来调节布料张力。(The invention discloses a wide loom rotating cloth guide roller device with auxiliary opening, which comprises a rack and an installation roller rotatably arranged on the rack; a driving structure for driving the mounting roller to rotate; at least two cloth guide roller structures uniformly arranged on the outer side of the mounting roller; a cross-link structure for connecting the cloth guide roller structure and the installation roller; the movable ring is rotationally connected with the movable end part of any one movable connecting rod; the external thread cylinder penetrates through and is in threaded connection with the movable ring, the gear disc is coaxial with the external thread cylinder, and a gear ring is sleeved on the outer ring of the gear disc; a differential transmission structure for driving differential rotation between ring gear and the gear specifically is: the rotating speed of the gear is greater than that of the gear ring; and the control gear disc and the mounting roller synchronously rotate. The cloth guide roller can freely rotate on the mounting frame, the cloth is conveyed continuously after bypassing the cloth guide roller, and the cloth guide roller plays a role in changing the conveying direction of the cloth. The tension of the cloth is adjusted by the expansion or contraction of the cloth guide roller.)

1. The utility model provides a wide loom rotation fabric guide roller device that supplementary struts in area, includes frame (1) and rotates installation roller (2) of setting in frame (1), its characterized in that still includes:

a driving structure (3) for driving the mounting roller (2) to rotate;

the cloth guiding device comprises at least two cloth guiding roller structures (5) which are uniformly arranged on the outer side of a mounting roller (2), and cloth bypasses the at least two cloth guiding roller structures (5);

the cloth guide roller structure comprises a crossed connecting rod structure (4) used for connecting a cloth guide roller structure (5) and an installation roller (2), wherein the crossed connecting rod structure (4) is composed of a movable connecting rod (41) and a fixed connecting rod (42) which are arranged in a crossed mode, and the distance from the cloth guide roller structure (5) to the surface of the installation roller (2) is adjusted in a crossed and telescopic mode through the movable connecting rod (41) and the fixed connecting rod (42);

a movable ring (601) rotatably connected with the movable end of any one of the movable connecting rods (41);

the external thread cylinder (6) penetrates through and is in threaded connection with the movable ring (601), the external thread cylinder (6) is rotatably arranged on the mounting roller (2), and the end part of the external thread cylinder (6) is fixedly connected with a gear (603);

the gear disc (8) is coaxial with the external thread cylinder (6), the gear disc (8) is movably sleeved on the mounting roller (2), and the outer ring of the gear disc (8) is sleeved with a gear ring (802);

a differential transmission structure (9) for transmitting differential rotation between the gear ring (802) and the gear (603);

a butt joint structure (7) for controlling the gear disc (8) and the mounting roller (2) to synchronously rotate.

2. The wide loom rotating cloth guide roller device with auxiliary spreading function according to claim 1, wherein: the driving structure (3) is composed of a driven belt pulley (31) fixedly connected with the end part of the mounting roller (2), a driving belt pulley (32) fixedly connected with the driving end of a motor (34) and a belt (33) for driving and connecting the driven belt pulley (31) and the driving belt pulley (32).

3. The wide loom rotating cloth guide roller device with auxiliary spreading function according to claim 1, wherein: the cloth guide roller structure (5) is composed of an installation frame (51), a cloth guide roller (52) rotatably arranged on the installation frame (51) and a connecting plate (53) fixedly connected with the installation frame (51), and the cloth guide roller (52) is parallel to the axis of the installation roller (2).

4. The wide loom rotating cloth guide roller device with auxiliary spreading function according to claim 3, wherein: the two sides of the connecting plate (53) are respectively hinged with the ends of the movable connecting rod (41) and the fixed connecting rod (42), wherein the connecting plate (53) hinged with the fixed connecting rod (42) is provided with a sliding slot hole (5301);

the fixed connecting rod (42) and the movable connecting rod (41) are arranged in a crossed manner and are rotationally connected through a pin shaft;

the other end part of the fixed connecting rod (42) is movably arranged on the surface of the mounting roller (2),

the other end of the movable connecting rod (41) is hinged on the surface of the movable ring (601).

5. The wide loom rotating cloth guide roller device with auxiliary spreading function according to claim 1, wherein: the differential transmission structure (9) is composed of a pinion (91) and a bull gear (92) which are coaxial; wherein: the small gear (91) is meshed with the gear ring (802), and the large gear (92) is meshed with the gear (603).

6. The wide loom rotating cloth guide roller device with auxiliary spreading function according to claim 1, wherein: the butt joint structure (7) is composed of a butt joint block (72) fixedly sleeved on the mounting roller (2) and a movable block (71) movably arranged at the end part of the butt joint block (72), and under the action of the control piece, the end part of the movable block (71) is movably contacted with the inner ring of the gear disc (8).

7. The wide loom rotating cloth guide roller device with auxiliary spreading function of claim 6, wherein: the control piece comprises a movable sleeve shaft (74) sleeved on the outer side of the mounting roller (2), a connecting rod (73) rotatably arranged between the movable sleeve shaft (74) and the movable block (71), and a U-shaped deflector rod (77) for driving the movable sleeve shaft (74) to slide on the surface of the mounting roller (2);

an annular groove (7401) is formed in the outer surface of the movable sleeve shaft (74), embedded pieces (7701) are rotatably arranged at two open ends of the U-shaped deflector rod (77), and the two embedded pieces (7701) are embedded into the annular groove (7401) simultaneously.

8. The wide loom rotating cloth guide roller device with auxiliary spreading function of claim 6, wherein: the butt joint structure (7) further comprises an automatic telescopic piece (78) driving the U-shaped deflector rod (77) to swing, the middle of the U-shaped deflector rod (77) is installed on the rack (1) through a pin shaft, and one end, far away from the embedded piece (7701), of the U-shaped deflector rod (77) is hinged to a driving end of the automatic telescopic piece (78).

9. The wide loom rotating cloth guide roller device with auxiliary spreading function of claim 6, wherein: an end block (76) is further fixedly connected to the mounting roller (2), a spring (75) is arranged between the end block (76) and the movable sleeve shaft (74), the spring (75) is sleeved on the mounting roller (2), and the movable sleeve shaft (74) is pulled towards the direction close to the end block (76) under the action of the spring (75).

Technical Field

The invention relates to the technical field of loom cloth guide, in particular to a wide loom rotating cloth guide roller device with auxiliary opening.

Background

The function of the loom cloth guide device is that after the fabric is interwoven, the fabric enters the cloth roller through the cloth guide device under the action of the cloth roller. The prior cloth guiding device generally adopts a mode that the fabric and a cloth guiding roller generate relative sliding motion to guide the cloth. When the fabric is a fabric with dense and thin bottom wefts, certain uniform gaps are formed among the weft yarns, and when the fabric passes through the fixed cloth guide roller, the weft yarns are easy to slip to form weft skew, so that the quality of the fabric is influenced. Meanwhile, different textile fabrics need different tension in the conveying process, and the fixed cloth guide roller is easy to cause the condition of insufficient cloth conveying tension, so that the cloth is loosened, and the cloth guide work is influenced.

To this end, we propose a rotating cloth guide roller device of a wide loom with auxiliary spreading to solve the above problems.

Disclosure of Invention

The invention aims to provide a rotating cloth guide roller device of a wide loom with auxiliary spreading to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a wide loom rotation fabric guide roller device that supplementary distraction in area, includes the frame and rotates the installation roller that sets up in the frame, still includes:

a driving structure for driving the mounting roller to rotate;

the cloth guiding device comprises at least two cloth guiding roller structures which are uniformly arranged on the outer side of an installation roller, and cloth bypasses the at least two cloth guiding roller structures;

the cross connecting rod structure is used for connecting the cloth guide roller structure and the mounting roller, the cross connecting rod structure is composed of a movable connecting rod and a fixed connecting rod which are arranged in a cross mode, and the distance from the cloth guide roller structure to the surface of the mounting roller is adjusted by the cross expansion of the movable connecting rod and the fixed connecting rod;

the movable ring is rotationally connected with the movable end part of any one movable connecting rod;

the external thread cylinder penetrates through and is in threaded connection with the movable ring, the external thread cylinder is rotatably arranged on the mounting roller, and the end part of the external thread cylinder is fixedly connected with a gear; the installation roller connected with the external thread cylinder is provided with a connecting section with a smaller caliber, the external thread cylinder is sleeved on the connecting section, and two ends of the external thread cylinder are connected with the connecting section through bearings.

The gear disc is coaxial with the external thread cylinder, the gear disc is movably sleeved on the mounting roller, and a gear ring is sleeved on the outer ring of the gear disc; a hollow shaft is fixedly arranged in the middle of the gear disc, and the hollow shaft is sleeved on the connecting section in the same way.

A differential transmission structure for driving differential rotation between ring gear and the gear specifically is: the rotating speed of the gear is greater than that of the gear ring;

and the control gear disc and the mounting roller synchronously rotate.

As a further improvement of the invention, the driving structure is composed of a driven pulley fixedly connected with the end part of the installation roller, a driving pulley fixedly connected with the driving end of the motor and a belt for driving and connecting the driven pulley and the driving pulley.

As a further improvement of the invention, the cloth guide roller structure is composed of a mounting frame, a cloth guide roller rotatably arranged on the mounting frame and a connecting plate fixedly connected with the mounting frame, and the cloth guide roller is parallel to the axis of the mounting roller.

As a further improvement of the invention, the two sides of the connecting plate are respectively hinged with the end parts of the movable connecting rod and the fixed connecting rod, wherein the connecting plate hinged with the fixed connecting rod is provided with a sliding slot hole.

The fixed connecting rod and the movable connecting rod are arranged in a crossed mode and are rotatably connected through a pin shaft.

The other end part of the fixed connecting rod is movably arranged on the surface of the mounting roller; the other end of the movable connecting rod is hinged on the surface of the movable ring.

As a further improvement of the invention, the differential transmission structure is composed of a pinion and a gearwheel which are coaxial, the pinion and the gearwheel are fixedly arranged on the same rotating shaft, and the rotating shaft is rotatably arranged in the rack; wherein: the small gear is meshed with the gear ring, and the large gear is meshed with the gear.

As a further improvement of the invention, the butt joint structure is composed of a butt joint block fixedly sleeved on the installation roller and a movable block movably arranged at the end part of the butt joint block, and under the action of the control piece, the end part of the movable block is movably contacted with the inner ring of the gear disc. Wherein, the terminal surface protrusion of toothed disc sets up an annular structure, and butt joint piece and movable block all are located the annular structure, and the movable block tip still is provided with the damping pad of frictional force between increase and the annular structure.

As a further improvement of the invention, the control piece comprises a movable sleeve shaft sleeved outside the mounting roller, a connecting rod rotatably arranged between the movable sleeve shaft and the movable block, and a U-shaped deflector rod for driving the movable sleeve shaft to slide on the surface of the mounting roller;

the outer surface of the movable sleeve shaft is provided with an annular groove, two open ends of the U-shaped deflector rod are rotatably provided with embedded pieces, and the two embedded pieces are embedded into the annular groove at the same time.

As a further improvement of the invention, the butt joint structure further comprises an automatic telescopic piece driving the U-shaped deflector rod to swing, the middle part of the U-shaped deflector rod is arranged on the rack through a pin shaft, and one end, far away from the embedded piece, of the U-shaped deflector rod is hinged with a driving end of the automatic telescopic piece.

As a further improvement of the invention, an end block is fixedly connected to the mounting roller, a spring is arranged between the end block and the movable sleeve shaft, the spring is sleeved on the mounting roller, and under the action of the spring, the movable sleeve is axially pulled close to the end block, so that the movable block slides towards the inner side of the movable groove and is separated from the gear disc.

Compared with the prior art, the invention has the beneficial effects that: the work of the cloth guide is completed by the structure of the cloth guide roller, wherein the cloth guide roller can freely rotate on the mounting frame, the cloth is conveyed continuously after bypassing the cloth guide roller, and the cloth guide roller plays a role in changing the conveying direction of the cloth.

The tension of the cloth is adjusted by the expansion or contraction of the cloth guide roller.

When the gear wheel does not rotate synchronously along with the installation roller, the cloth guide roller structure is driven by the driving structure to rotate at a relatively lower speed around the installation roller, and the rotating direction is consistent with the cloth conveying direction, so that the smoothness of cloth guide is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial structure according to the present invention;

FIG. 3 is a schematic view of the installation of the structure of the cloth guide roller of the present invention;

FIG. 4 is a schematic view of the movable ring of the present invention;

FIG. 5 is a schematic view of the docking structure and the gear plate of the present invention;

FIG. 6 is a schematic view of the docking structure and differential drive structure of the present invention;

FIG. 7 is a schematic view of a docking structure according to the present invention;

in the figure: 1. a frame; 2. mounting a roller; 201. a fixing ring; 202. a connecting section; 3. a drive structure; 31. a driven pulley; 32. a drive pulley; 33. a belt; 34. a motor;

4. a cross-link structure; 41. a movable connecting rod; 42. fixing the connecting rod; 5. a cloth guide roller structure; 51. a mounting frame; 52. a cloth guide roller; 53. a connecting plate; 5301. a sliding slot hole; 6. an externally threaded barrel; 601. a movable ring; 602. a bearing; 603. a gear;

7. a butt joint structure; 71. a movable block; 7101. a damping pad; 72. a butt joint block; 7201. a movable groove; 73. a connecting rod; 74. a movable sleeve shaft; 7401. an annular groove; 75. a spring; 76. an end-block; 77. a U-shaped deflector rod; 7701. an insert; 78. an automatic telescopic member; 8. a gear plate; 801. a hollow shaft; 802. a ring gear; 9. a differential transmission structure; 91. a pinion gear; 92. a bull gear; 93. a rotating shaft.

Detailed Description

The technical solution of the present invention will be described below with reference to the accompanying drawings and examples.

Referring to fig. 1-3, the present invention provides a technical solution: a rotating cloth guide roller device of a wide loom with auxiliary opening comprises a rack 1, a mounting roller 2 rotatably arranged on the rack 1 and a driving structure 3 driving the mounting roller 2 to rotate.

In one embodiment of the invention, the driving structure 3 is composed of a driven pulley 31 fixed to the end of the mounting roller 2, a driving pulley 32 fixed to the driving end of a motor 34, and a belt 33 drivingly connecting the driven pulley 31 and the driving pulley 32.

In another embodiment of the invention, the driving structure 3 may also be composed of a motor and a speed reducer, and the driving end of the motor is connected with the mounting roller 2 through the speed reducer. In addition, the installation roller 2 can be driven to rotate at a low speed by other driving modes.

In the actual fabric guide process, the installation roller 2 does not need to keep rotating for a long time or rotate at a high speed, the fabric guide work is completed by the fabric guide roller structure 5, the installation roller 2 mainly has the effect of adjusting the distance from the fabric guide roller structure 5 to the surface of the installation roller 2, and then the fabric guide roller structure 5 is driven to rotate at a relatively lower speed around the installation roller 2, so that the fabric guide smoothness is improved.

Referring to fig. 1-3, the rotating cloth guide roller device of a wide loom with auxiliary spreading according to the present invention further comprises: evenly set up two at least fabric guide roller structures 5 in the installation roller 2 outside, the cloth is walked around two at least fabric guide roller structures 5.

Specifically, the cloth guide roller structure 5 is composed of a mounting frame 51, a cloth guide roller 52 rotatably arranged on the mounting frame 51, and a connecting plate 53 fixedly connected with the mounting frame 51, wherein the cloth guide roller 52 is parallel to the axis of the mounting roller 2. The cloth guide roller 52 can rotate freely on the mounting frame 51, the cloth is continuously conveyed after bypassing the cloth guide roller 52, and the cloth guide roller 52 plays a role in changing the cloth conveying direction and adjusting the cloth tension.

The invention also comprises a crossed connecting rod structure 4 for connecting the cloth guide roller structure 5 and the mounting roller 2, wherein the crossed connecting rod structure 4 is composed of a movable connecting rod 41 and a fixed connecting rod 42 which are arranged in a crossed mode, and the distance from the cloth guide roller structure 5 to the surface of the mounting roller 2 is adjusted by the movable connecting rod 41 and the fixed connecting rod 42 in a crossed and telescopic mode. The cross connecting rod structure 4 has the following specific structure:

the two sides of the connecting plate 53 are respectively hinged with the ends of the movable connecting rod 41 and the fixed connecting rod 42, wherein the connecting plate 53 hinged with the fixed connecting rod 42 is provided with a sliding slot hole 5301, and the end of the movable connecting rod 41 can slide in the sliding slot hole 5301 in a reciprocating manner.

The fixed connecting rod 42 and the movable connecting rod 41 are arranged in a crossed manner and are rotatably connected through a pin shaft. Meanwhile, in order to increase the crossing and extension range of the fixed link 42 and the movable link 41, an avoiding groove is formed on the connecting plate 53 at a position facing the pin shaft for the pin shaft to pass through.

The other end of the fixed connecting rod 42 is movably arranged on the surface of the mounting roller 2, so that all the crossed connecting rod structures 4 are conveniently mounted, the end of the fixed connecting rod 42 is hinged with the same fixed ring 201, and the hinged position is symmetrical with the axis center of the fixed ring 201.

Referring to fig. 3-4, the rotating cloth guide roller device of the wide loom with auxiliary spreading according to the present invention further includes: a movable ring 601 which is rotatably connected with the movable end part of any movable connecting rod 41, an external thread cylinder 6 which penetrates through and is in threaded connection with the movable ring 601, and a gear disc 8 which is coaxial with the external thread cylinder 6.

Further, the external thread cylinder 6 is rotatably arranged on the mounting roller 2, and a gear 603 is fixedly connected to the end of the external thread cylinder 6. Set up the less linkage segment 202 of bore on the installation roller 2 of being connected with an external screw thread section of thick bamboo 6, an external screw thread section of thick bamboo 6 cover is established on linkage segment 202, and an external screw thread section of thick bamboo 6 both ends all are connected with linkage segment 202 through bearing 602 for an axial position of an external screw thread section of thick bamboo 6 on linkage segment 202 is fixed, only radially rotates along linkage segment 202, and when an external screw thread section of thick bamboo 6 rotated, can adjust the axial position of loose ring 601 on installation roller 2, thereby realize the effect that movable connecting rod 41 and fixed connecting rod 42 alternately stretch out and draw back.

Furthermore, the gear disc 8 is movably sleeved on the mounting roller 2, and a gear ring 802 is sleeved on the outer ring of the gear disc 8. The hollow shaft 801 is fixedly arranged in the middle of the gear wheel 8, and similarly, the hollow shaft 801 is sleeved on the connecting section 202, and it is important that the hollow shaft 801 is not connected with the external thread cylinder 6, so that the gear wheel 8 and the external thread cylinder 6 can rotate on the mounting roller 2 asynchronously, and in practice, a bearing can be arranged on the inner side of the hollow shaft 801 and connected with the connecting section 202 through the bearing.

As shown in fig. 1 and 6, the present invention further comprises a differential transmission structure 9 for transmitting differential rotation between the ring gear 802 and the gear 603, and specifically satisfies the following conditions: the rotational speed of the gear 603 is greater than the rotational speed of the ring gear 802.

In one embodiment of the present invention, the differential transmission structure 9 is composed of a pinion 91 and a bull gear 92 which are coaxial, the pinion 91 and the bull gear 92 are fixedly installed on the same rotating shaft 93, and the rotating shaft 93 is rotatably installed in the frame 1; wherein: the pinion 91 meshes with the ring gear 802, and the bull gear 92 meshes with the gear 603.

As shown in fig. 1 and 7, the present invention further includes: and the control gear plate 8 and the mounting roller 2 synchronously rotate to form the butt joint structure 7.

The docking structure 7 is able to determine whether the toothed disc 8 is to follow the rotation of the mounting roller 2 according to the circumstances: when the gear disc 8 rotates synchronously with the mounting roller 2, the gear ring 802 on the outer side of the gear disc 8 rotates and drives the gear 603 to rotate through the differential transmission structure 9, and the rotating speed of the gear 603 is greater than that of the mounting roller 2. The externally threaded cylinder 6 connected to the gear 603 is rotated relative to the mounting roller 2, so that the movable ring 601 can reciprocate on the externally threaded cylinder 6. By adjusting the direction of rotation of the mounting roller 2, the direction of movement of the movable ring 601 can be adjusted.

When the gear wheel 8 does not rotate synchronously with the installation roller 2, the gear wheel 8 can rotate freely on the installation roller 2 and is not influenced by the butt joint structure 7, so that the external thread cylinder 6 can move synchronously with the installation roller 2, and the position of the movable ring 601 does not change.

In an embodiment of the present invention, the abutting structure 7 is composed of an abutting block 72 fixedly sleeved on the installation roller 2 and a movable block 71 movably arranged at an end of the abutting block 72, and under the action of the control member, an end of the movable block 71 is movably contacted with an inner ring of the gear disc 8. Wherein, the terminal surface protrusion of gear wheel 8 sets up an annular structure, and butt joint piece 72 and movable block 71 all are located the annular structure, and movable block 71 tip still is provided with the damping pad 7101 of frictional force between increase and the annular structure.

In order to facilitate the sliding of the movable block 71 at the end of the abutting block 72, the section of the movable block 71 is formed in a dovetail shape, a dovetail-shaped movable groove 7201 is formed at the end of the abutting block 72, and the movable block 71 slides back and forth in the movable groove 7201.

Further, the control member comprises a movable sleeve shaft 74 sleeved outside the installation roller 2, a connecting rod 73 rotatably arranged between the movable sleeve shaft 74 and the movable block 71, and a U-shaped deflector rod 77 for driving the movable sleeve shaft 74 to slide on the surface of the installation roller 2; wherein the two ends of the connecting rod 73 are respectively hinged with the movable sleeve shaft 74 and the movable block 71.

The outer surface of the movable sleeve shaft 74 is provided with an annular groove 7401, two open ends of the U-shaped deflector rod 77 are rotatably provided with embedded pieces 7701, and the two embedded pieces 7701 are simultaneously and smoothly embedded into the annular groove 7401.

Furthermore, the movable sleeve shaft 74 is connected with the installation roller 2 through a key slot structure, so that the movable sleeve shaft 74 can only axially slide relative to the installation roller 2 and cannot rotate relative to the installation roller 2, but can synchronously rotate along with the installation roller 2.

The docking structure 7 further includes an automatic telescopic member 78 for driving the U-shaped shift lever 77 to swing, the middle portion of the U-shaped shift lever 77 is mounted on the frame 1 through a pin, and one end of the U-shaped shift lever 77, which is far away from the embedded member 7701, is hinged to a driving end of the automatic telescopic member 78. The automatic telescopic part 78 can be an electric telescopic rod, is hinged on the frame 1 and is powered by a built-in storage battery.

As a further improvement of the invention, an end block 76 is fixedly connected to the mounting roller 2, a spring 75 is arranged between the end block 76 and the movable sleeve shaft 74, the spring 75 is sleeved on the mounting roller 2, and under the action of the spring 75, the movable sleeve shaft 74 is pulled towards the direction close to the end block 76, so that the movable block 71 slides towards the inner side of the movable groove 7201 and is separated from the gear disc 8.

When the automatic telescopic part 78 contracts, the end part of the U-shaped deflector rod 77 can swing towards the direction of the butt joint block 72, so that the movable sleeve shaft 74 can slide towards the direction of the butt joint block 72, the movable block 71 is propped open towards the outer side of the movable groove 7201 through the connecting rod 73, the damping pad 7101 is contacted on the gear disc 8, and the gear disc 8 is driven to rotate along with the installation roller 2.

The working steps of the embodiment of the present invention are explained in detail below:

the cloth guiding operation of the present invention is accomplished by a cloth guiding roller structure 5, wherein the cloth guiding roller 52 can freely rotate on the mounting frame 51, the cloth is continuously conveyed after bypassing the cloth guiding roller 52, and the cloth guiding roller 52 plays a role in changing the cloth conveying direction.

The tension of the cloth is adjusted by spreading or contracting the cloth guide roller 52. The method comprises the following steps:

whether the gear disc 8 is to rotate along with the installation roller 2 is controlled by the butt structure 7: when the gear disc 8 rotates synchronously with the mounting roller 2, the gear ring 802 on the outer side of the gear disc 8 rotates and drives the gear 603 to rotate through the differential transmission structure 9, and the rotating speed of the gear 603 is greater than that of the mounting roller 2. The externally threaded cylinder 6 connected to the gear 603 is rotated relative to the mounting roller 2, so that the movable ring 601 can reciprocate on the externally threaded cylinder 6. By adjusting the direction of rotation of the mounting roller 2, the direction of movement of the movable ring 601 can be adjusted.

When the gear wheel 8 does not rotate synchronously with the installation roller 2, the gear wheel 8 can rotate freely on the installation roller 2 and is not influenced by the butt joint structure 7, so that the external thread cylinder 6 can move synchronously with the installation roller 2, and the position of the movable ring 601 does not change.

In addition, when the gear wheel 8 does not rotate synchronously with the installation roller 2, the cloth guide roller structure 5 is driven by the driving structure 3 to rotate at a relatively lower speed around the installation roller 2, and the rotating direction is consistent with the cloth conveying direction, so that the smoothness of cloth guide is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.