阅读说明：本技术 一种纺织面料水平度验布校核设备 (Textile fabric levelness perching and checking equipment ) 是由 王明辉 于 2020-11-22 设计创作，主要内容包括：一种纺织面料水平度验布校核设备,包括第一固定架、第二固定架校核组件、调节组件和除杂组件；调节组件设数目为两组,且分别位于第一固定架和第二固定架上并位于远离固定件的一侧；调节螺纹柱转动设置在固定块上并与调节块螺纹连接,转盘设置在调节螺纹柱上并位于固定块外围；调节辊转动设置在调节块上；导轨上设有用于提供动力的电机；螺纹杆转动设置在导轨上；校核支架通过第一导向件和第二导向件滑动设置在第二固定架和第一固定架上；激光发射器和激光接收器设置在校核支架上,且激光接收器位于激光发射器的正下方。本发明可以对纺织面料验布时进行监测,纺织布料偏移及时警示,增加检验的精确性,且方便调节防止面料水平度。(A textile fabric levelness cloth inspection checking device comprises a first fixing frame, a second fixing frame checking assembly, an adjusting assembly and an impurity removing assembly; the number of the adjusting assemblies is two, and the adjusting assemblies are respectively positioned on the first fixing frame and the second fixing frame and positioned on one side far away from the fixing piece; the adjusting threaded column is rotatably arranged on the fixed block and is in threaded connection with the adjusting block, and the rotary disc is arranged on the adjusting threaded column and is positioned on the periphery of the fixed block; the adjusting roller is rotatably arranged on the adjusting block; the guide rail is provided with a motor for providing power; the threaded rod is rotatably arranged on the guide rail; the checking support is arranged on the second fixing frame and the first fixing frame in a sliding mode through the first guide piece and the second guide piece; the laser transmitter and the laser receiver are arranged on the checking support, and the laser receiver is positioned under the laser transmitter. The invention can monitor the textile fabric during the fabric inspection, warn the deviation of the textile fabric in time, increase the inspection accuracy and conveniently adjust and prevent the levelness of the fabric.)

1. The textile fabric levelness cloth inspection checking equipment is characterized by comprising a first fixing frame (1), a second fixing frame (2), supporting legs (5), a checking assembly (6), an adjusting assembly (7), an impurity removing assembly (8), a fixed rotating roller (25) and a textile fabric (32);

the second fixing frame (2) is arranged on the workbench through supporting legs (5), and a first supporting rod (3) and a second supporting rod (4) for supporting the first fixing frame (1) are arranged on the second fixing frame (2); the first fixing frame (1) and the second fixing frame (2) are provided with fixing pieces (24), and the fixed rotary roller (25) is rotatably arranged on the fixing pieces (24);

the number of the adjusting components (7) is two, and the adjusting components are respectively positioned on the first fixing frame (1) and the second fixing frame (2) and positioned on one side far away from the fixing piece (24); wherein the adjusting component (7) comprises an adjusting roller (19), an adjusting threaded column (20), a fixed block (21), a turntable (22) and an adjusting block (23); a sliding groove is formed in the fixed block (21), the adjusting block (23) is arranged on the fixed block (21) in a sliding mode and located in the sliding groove, and a threaded hole is formed in the adjusting block (23); the adjusting threaded column (20) is rotatably arranged on the fixed block (21) and is in threaded connection with the adjusting block (23), and the rotary disc (22) is arranged on the adjusting threaded column (20) and is positioned on the periphery of the fixed block (21); the adjusting roller (19) is rotatably arranged on the adjusting block (23) and is on the same horizontal plane with the fixed rotating roller (25); the textile fabric (32) is wound between the fixed rotating roller (25) and the adjusting roller (19) and checked;

the impurity removing component (8) comprises a dust suction piece (27), a sliding plate (28), a dust collecting hopper (30) and an air pipe (31); the number of the dust suction pieces (27) is two, the dust suction pieces are respectively positioned at the top and the bottom of the fixed rotary roller (25) on the second fixed frame (2), and a sliding groove is arranged on each dust suction piece (27); the sliding plate (28) is arranged on the dust suction piece (27) in a sliding way, and the sliding plate (28) is provided with a hairbrush (26) for cleaning sundries; wherein, the hairbrushes (26) which are arranged on the dust absorption piece (27) through the sliding plate (28) and are positioned at the two sides of the fixed rotary roller (25) are respectively attached to the fixed rotary roller (25) and the textile fabric (32); the dust collecting hopper (30) is arranged on the dust collecting piece (27) and is communicated with dust collecting equipment through an air pipe (31);

the checking assembly (6) comprises a threaded rod (10), a first sliding block (11), a guide rail (12), a checking bracket (13), a second sliding block (15), a laser transmitter (17) and a laser receiver (18); the guide rail (12) is arranged on the second fixing frame (2), and the guide rail (12) is provided with a motor (9) for providing power; the threaded rod (10) is rotatably arranged on the guide rail (12) and is connected with a rotating shaft of the motor (9); guide grooves are formed in one sides, close to the guide rail (12), of the first fixing frame (1) and the second fixing frame (2), and a first guide piece (14) and a second guide piece (16) are arranged on the checking support (13); the first guide piece (14) is arranged on the second fixing frame (2) in a sliding mode, and the second guide piece (16) is arranged on the first fixing frame (1) in a sliding mode; a second sliding block (15) is arranged on the first guide piece (14), the first sliding block (11) is in threaded connection with the threaded rod (10) and is positioned in the guide rail (12), and the first sliding block (11) is connected with the second sliding block (15); the laser transmitter (17) is arranged on the checking support (13) and is positioned above the first fixing frame (1), and the laser receiver (18) is arranged on the checking support (13) and is positioned below the second fixing frame (2); the laser receiver (18) is positioned right below the laser emitter (17), and the laser emitted by the laser emitter (17) is tangent to the edge of the textile fabric (32).

2. The textile fabric levelness perching and checking device as recited in claim 1, wherein a groove is provided on the rotating disc (22), a rectangular fixing table is provided on the adjusting screw thread column (20), and the rotating disc (22) is connected with the adjusting screw thread column (20) in a sliding manner.

3. The textile fabric levelness perching device of claim 1, wherein the rotary table (22) is provided with scales, and the first fixing frame (1) and the second fixing frame (2) are correspondingly provided with indication arrows.

4. A textile fabric levelness perching apparatus as in claim 1, further comprising a T-shaped slider (29); the T-shaped sliding strip (29) is arranged on the sliding plate (28) in a sliding mode, and the hairbrush (26) is detachably connected with the sliding plate (28) through the T-shaped sliding strip (29).

5. A textile fabric levelness perching device as in claim 1, wherein said second slider (15) is removably connected to said first guide (14).

6. The textile fabric levelness perching device of claim 1, wherein a controller is provided on the supporting leg (5), and the motor (9) is controlled by the controller to automatically change the rotation direction of the rotating shaft within a certain period.

7. A fabric levelness perching device according to claim 1, wherein said laser emitter (17) and said laser receiver (18) are screw-removably connected to said perching support (13) through fixing sleeves.

8. The textile fabric levelness perching device of claim 1, wherein a warning light is arranged on the perching bracket (13), and the warning light is in communication connection with the laser receiver (18).

9. The textile fabric levelness perching device of any one of claims 1 to 8, further comprising a method for using the textile fabric levelness perching device, and specifically comprising the following operations;

s1, firstly, the textile fabric (32) penetrates through the bottom of the fixed rotating roller (25) on the second fixing frame (2), then the textile fabric is wound on the adjusting roller (19) on the first fixing frame (1) by changing the direction of the adjusting roller (19) on the second fixing frame (2), and finally the textile fabric is discharged through the fixed rotating roller (25) on the first fixing frame (1);

s2, arranging a dust suction part (27) on the impurity removing component (8), and respectively locating at the top and the bottom of the fixed rotary roller (25) on the second fixed frame (2), so that a brush (26) used for cleaning impurities on the dust suction part (27) is attached to the fixed rotary roller (25) and the textile fabric (32); then, starting the dust removing equipment, wherein the dust removing equipment generates suction force through an air pipe (31) and a dust collecting hopper (30) to suck the sundries cleaned by the brush (26), so that the sundries are prevented from influencing the levelness on the textile fabric (32);

s3, monitoring the levelness of the textile fabric (32) during operation through a laser emitter (17) and a laser receiver (18) on the checking assembly (6), wherein during monitoring, a motor (9) is controlled and rotated through a controller, and a first sliding block (11) moves on a guide rail (12) through rotation of a threaded rod (10) and drives a second sliding block (15) and a first guide piece (14); the checking support (13) moves through the first guide piece (14) and the second guide piece (16), so that the levelness of the textile fabric (32) is monitored through the laser emitter (17) and the laser receiver (18); when the levelness of the textile fabric (32) changes, the textile fabric (32) can shield laser emitted by the laser emitter (17), so that the laser receiver (18) cannot receive signals, the warning lamp on the checking support (13) is turned on and warns, and otherwise, the levelness is normal;

s4, adjusting the levelness, rotating the adjusting threaded column (20) by using the turntable (22), pulling or pushing the adjusting block (23) by the adjusting threaded column (20), so that one end of the adjusting roller (19) moves, the offset direction of the textile fabric (32) is changed, and the adjustment is carried out through the scales on the turntable (22), so that the textile fabric is restored to be normal.

Technical Field

The invention relates to the technical field of fabric inspection of fabrics, in particular to a levelness inspection and checking device for a textile fabric.

Background

Knitted fabrics are classified according to weaving methods, and include weft-knitted fabrics and warp-knitted fabrics; the warp knitting knitted fabric is in the fabric length direction, and the weft knitting knitted fabric is in the fabric width direction; the manufacturing process of the textile fabric usually comprises the following seven steps: spinning → weaving → cloth inspection → cutting → sewing → ironing → inspection; the cloth inspection is one of the more key steps in the manufacturing of the textile fabric. The existing textile fabric cloth inspection items comprise: the existing cloth inspecting equipment mostly adopts a mode that a roller shaft drives a cloth to rotate, and the color difference is detected by illumination, but the cloth belongs to a light material, can deflect when driven by the roller shaft, and can cause part of the cloth to move to a place outside an illumination surface, so that the cloth can not be irradiated by a light source, further the error of color difference detection is large, the reject ratio is increased, and the levelness is inconvenient to adjust; the application provides a weaving surface fabric levelness perching check equipment.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems in the background art, the invention provides the textile fabric levelness checking and checking device which can monitor the textile fabric during cloth checking, warn the textile fabric deviation in time, increase the checking accuracy and facilitate adjustment and prevention of the fabric levelness.

(II) technical scheme

The invention provides a textile fabric levelness cloth inspecting and checking device which comprises a first fixing frame, a second fixing frame, supporting legs, a checking assembly, an adjusting assembly, an impurity removing assembly, a fixed rotating roller and a textile fabric, wherein the first fixing frame is fixed on the first fixing frame;

the second fixing frame is arranged on the workbench through supporting legs, and a first supporting rod and a second supporting rod which are used for supporting the first fixing frame are arranged on the second fixing frame; the first fixing frame and the second fixing frame are provided with fixing pieces, and the fixed rotary roller is rotatably arranged on the fixing pieces;

the number of the adjusting assemblies is two, and the adjusting assemblies are respectively positioned on the first fixing frame and the second fixing frame and positioned on one side far away from the fixing piece; the adjusting assembly comprises an adjusting roller, an adjusting threaded column, a fixed block, a turntable and an adjusting block; the fixed block is provided with a chute, the adjusting block is arranged on the fixed block in a sliding manner and is positioned in the chute, and the adjusting block is provided with a threaded hole; the adjusting threaded column is rotatably arranged on the fixed block and is in threaded connection with the adjusting block, and the rotary disc is arranged on the adjusting threaded column and is positioned on the periphery of the fixed block; the adjusting roller is rotatably arranged on the adjusting block and is on the same horizontal plane with the fixed rotating roller; the textile fabric is wound between the fixed rotating roller and the adjusting roller and checked;

the impurity removing component comprises a dust collecting piece, a sliding plate, a dust collecting hopper and an air pipe; the number of the dust collecting pieces is two, the dust collecting pieces are respectively positioned at the top and the bottom of the fixed rotary roller on the second fixing frame, and a sliding groove is formed in each dust collecting piece; the sliding plate is arranged on the dust collection piece in a sliding manner, and a brush for cleaning sundries is arranged on the sliding plate; wherein, the hairbrushes which are arranged on the dust absorption part through the sliding plate and positioned at the two sides of the fixed rotating roller are respectively adhered to the fixed rotating roller and the textile fabric; the dust collecting hopper is arranged on the dust collecting piece and communicated with dust collecting equipment through an air pipe;

the checking assembly comprises a threaded rod, a first sliding block, a guide rail, a checking bracket, a second sliding block, a laser transmitter and a laser receiver; the guide rail is arranged on the second fixing frame, and a motor for providing power is arranged on the guide rail; the threaded rod is rotatably arranged on the guide rail and is connected with a rotating shaft of the motor; guide grooves are formed in one sides, close to the guide rail, of the first fixing frame and the second fixing frame, and a first guide piece and a second guide piece are arranged on the checking support; the first guide piece is arranged on the second fixing frame in a sliding mode, and the second guide piece is arranged on the first fixing frame in a sliding mode; the first guide piece is provided with a second sliding block, the first sliding block is in threaded connection with the threaded rod and is positioned in the guide rail, and the first sliding block is connected with the second sliding block; the laser transmitter is arranged on the checking support and positioned above the first fixing frame, and the laser receiver is arranged on the checking support and positioned below the second fixing frame; the laser receiver is located under the laser emitter, and the laser emitted by the laser emitter is tangent to the edge of the textile fabric.

Preferably, a groove is formed in the rotary table, a rectangular fixing table is arranged on the adjusting threaded column, and the rotary table is connected with the adjusting threaded column in a sliding mode.

Preferably, the rotating disc is provided with scales, and the first fixing frame and the second fixing frame are correspondingly provided with indication arrows.

Preferably, the device also comprises a T-shaped sliding strip; the T-shaped sliding strip is arranged on the sliding plate in a sliding mode, and the hairbrush is detachably connected with the sliding plate through the T-shaped sliding strip.

Preferably, the second slider is detachably connected with the first guide member.

Preferably, the supporting legs are provided with a controller, and the motor is controlled by the controller to automatically change the rotating direction of the rotating shaft within a certain period.

Preferably, the laser transmitter and the laser receiver are detachably connected with the checking support through a fixing sleeve in a threaded mode.

Preferably, the checking support is provided with a warning lamp, and the warning lamp is in communication connection with the laser receiver.

Preferably, the method also comprises a use method of the textile fabric levelness cloth inspection checking equipment, and specifically comprises the following operations;

s1, firstly, the textile fabric penetrates through the bottom of the fixed rotating roller on the second fixing frame, then the textile fabric is wound on the adjusting roller on the first fixing frame by changing the direction of the adjusting roller on the second fixing frame, and finally the textile fabric is discharged through the fixed rotating roller on the first fixing frame;

s2, arranging a dust collection part on the impurity removal component, and respectively locating at the top and the bottom of the fixed rotary roller on the second fixing frame to enable a brush used for cleaning impurities on the dust collection part to be attached to the fixed rotary roller and the textile fabric; then, starting the dust removing equipment, wherein the dust removing equipment generates suction force through the air pipe and the dust collecting hopper to suck impurities cleaned by the brush away, so that the impurities are prevented from influencing the levelness on the textile fabric;

s3, monitoring the levelness of the textile fabric during operation through a laser emitter and a laser receiver on the checking assembly, wherein during monitoring, a motor is controlled and rotated through a controller, and a first sliding block moves on a guide rail through rotation of a threaded rod and drives a second sliding block and a first guide piece; the checking support moves through the first guide piece and the second guide piece, so that the levelness of the textile fabric is monitored through the laser transmitter and the laser receiver; when the levelness of the textile fabric is changed, the textile fabric can shield laser emitted by the laser emitter, so that the laser receiver cannot receive signals, the warning lamp on the checking support is turned on and warns, and otherwise, the levelness is normal;

s4, adjusting the levelness, rotating the adjusting threaded column by using the turntable, pulling the adjusting threaded column or pushing the adjusting block, so that one end of the adjusting roller moves, the offset direction of the textile fabric is changed, and the adjustment is performed by the scales on the turntable, so that the textile fabric is recovered to be normal.

Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects: monitoring can be carried out when the textile fabric is tested, textile fabric skew in time warns, increases the accuracy nature of inspection, and conveniently adjusts and prevents the surface fabric levelness.

Drawings

Fig. 1 is a schematic structural diagram of a textile fabric levelness cloth inspecting and checking device provided by the invention.

Fig. 2 is a schematic structural diagram (rear view) of a fabric levelness cloth inspecting and checking device provided by the invention.

Fig. 3 is a schematic structural diagram of a checking assembly in the textile fabric levelness perching device provided by the invention.

Fig. 4 is a schematic structural diagram of an adjusting component in the textile fabric levelness cloth inspecting and checking device provided by the invention.

Fig. 5 is a schematic structural diagram of an impurity removing component in the textile fabric levelness cloth inspecting and checking device provided by the invention.

Reference numerals: 1. a first fixing frame; 2. a second fixing frame; 3. a first support bar; 4. a second support bar; 5. supporting legs; 6. a checking component; 7. an adjustment assembly; 8. an impurity removal component; 9. a motor; 10. a threaded rod; 11. a first slider; 12. a guide rail; 13. checking the support; 14. a first guide member; 15. a second slider; 16. a second guide member; 17. a laser transmitter; 18. a laser receiver; 19. a regulating roller; 20. adjusting the threaded column; 21. a fixed block; 22. a turntable; 23. an adjusting block; 24. a fixing member; 25. fixing the rotary roller; 26. a brush; 27. a dust collection member; 28. a slide plate; 29. a T-shaped slide bar; 30. a dust collecting hopper; 31. an air tube; 32. textile fabric.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-5, the textile fabric levelness perching device provided by the invention comprises a first fixing frame 1, a second fixing frame 2, supporting legs 5, a perching component 6, an adjusting component 7, an impurity removing component 8, a fixed rotating roller 25 and a textile fabric 32;

the second fixing frame 2 is arranged on the workbench through supporting legs 5, and a first supporting rod 3 and a second supporting rod 4 for supporting the first fixing frame 1 are arranged on the second fixing frame 2; the first fixing frame 1 and the second fixing frame 2 are provided with fixing pieces 24, and the fixed rotary roller 25 is rotatably arranged on the fixing pieces 24;

the number of the adjusting components 7 is two, and the adjusting components are respectively positioned on the first fixing frame 1 and the second fixing frame 2 and positioned on one side far away from the fixing piece 24; the adjusting component 7 comprises an adjusting roller 19, an adjusting threaded column 20, a fixed block 21, a turntable 22 and an adjusting block 23; the fixed block 21 is provided with a sliding chute, the adjusting block 23 is arranged on the fixed block 21 in a sliding manner and is positioned in the sliding chute, and the adjusting block 23 is provided with a threaded hole; the adjusting threaded column 20 is rotatably arranged on the fixed block 21 and is in threaded connection with the adjusting block 23, and the rotary table 22 is arranged on the adjusting threaded column 20 and is positioned on the periphery of the fixed block 21; the adjusting roller 19 is rotatably arranged on the adjusting block 23 and is on the same horizontal plane with the fixed rotating roller 25; the textile fabric 32 is wound between the fixed rotating roller 25 and the adjusting roller 19 and checked;

the impurity removing component 8 comprises a dust suction piece 27, a sliding plate 28, a dust collecting hopper 30 and an air pipe 31; the number of the dust suction pieces 27 is two, the dust suction pieces 27 are respectively positioned at the top and the bottom of the fixed rotary roller 25 on the second fixed frame 2, and a chute is arranged on each dust suction piece 27; the sliding plate 28 is arranged on the dust suction piece 27 in a sliding way, and the sliding plate 28 is provided with a hairbrush 26 for cleaning sundries; wherein, the hairbrushes 26 which are arranged on the dust suction piece 27 through the sliding plate 28 and are positioned at the two sides of the fixed rotary roller 25 are respectively attached to the fixed rotary roller 25 and the textile fabric 32; the dust collecting hopper 30 is arranged on the dust suction piece 27 and communicated with dust suction equipment through an air pipe 31;

the checking assembly 6 comprises a threaded rod 10, a first slide block 11, a guide rail 12, a checking bracket 13, a second slide block 15, a laser emitter 17 and a laser receiver 18; the guide rail 12 is arranged on the second fixing frame 2, and the guide rail 12 is provided with a motor 9 for providing power; the threaded rod 10 is rotatably arranged on the guide rail 12 and is connected with a rotating shaft of the motor 9; guide grooves are formed in one sides, close to the guide rail 12, of the first fixing frame 1 and the second fixing frame 2, and a first guide part 14 and a second guide part 16 are arranged on the checking support 13; the first guide piece 14 is arranged on the second fixing frame 2 in a sliding manner, and the second guide piece 16 is arranged on the first fixing frame 1 in a sliding manner; the first guide part 14 is provided with a second slide block 15, the first slide block 11 is in threaded connection with the threaded rod 10 and is positioned in the guide rail 12, and the first slide block 11 is connected with the second slide block 15; the laser transmitter 17 is arranged on the checking support 13 and is positioned above the first fixing frame 1, and the laser receiver 18 is arranged on the checking support 13 and is positioned below the second fixing frame 2; the laser receiver 18 is located directly below the laser emitter 17, and the laser emitted by the laser emitter 17 is tangential to the edge of the textile fabric 32.

In an alternative embodiment, the rotary plate 22 is provided with a groove, the adjusting threaded column 20 is provided with a rectangular fixing table, and the rotary plate 22 is slidably connected with the adjusting threaded column 20.

In an alternative embodiment, the rotary plate 22 is provided with scales, and the first fixing frame 1 and the second fixing frame 2 are correspondingly provided with indication arrows.

In an alternative embodiment, a T-shaped slide bar 29 is also included; a T-shaped slide bar 29 is slidably arranged on the slide plate 28, and the brush 26 is detachably connected with the slide plate 28 through the T-shaped slide bar 29.

In an alternative embodiment, the second slider 15 is detachably connected to the first guide 14.

In an alternative embodiment, a controller is arranged on the supporting leg 5, and the motor 9 is controlled by the controller to automatically change the rotating direction of the rotating shaft within a certain period.

In an alternative embodiment, the laser transmitter 17 and the laser receiver 18 are screwed detachably to the calibration support 13 by means of a fixing sleeve.

In an alternative embodiment, a warning light is provided on the verification support 13 and is in communication with the laser receiver 18.

In an optional embodiment, the method further comprises a use method of the textile fabric levelness perching device, and specifically comprises the following operations;

s1, firstly, the textile fabric 32 penetrates through the bottom of the fixed rotating roller 25 on the second fixing frame 2, then the textile fabric is wound on the adjusting roller 19 on the first fixing frame 1 by changing the direction of the adjusting roller 19 on the second fixing frame 2, and finally the textile fabric is discharged through the fixed rotating roller 25 on the first fixing frame 1;

s2, arranging a dust suction part 27 on the impurity removing component 8, and respectively locating at the top and the bottom of the fixed rotary roller 25 on the second fixed frame 2, so that a hairbrush 26 used for cleaning impurities on the dust suction part 27 is stuck to the fixed rotary roller 25 and the textile fabric 32; then, starting the dust removing equipment, wherein the dust removing equipment generates suction force through the air pipe 31 and the dust collecting hopper 30 to suck the sundries cleaned by the hairbrush 26 away, so that the sundries are prevented from influencing the levelness on the textile fabric 32;

s3, monitoring the levelness of the textile fabric 32 during operation through the laser emitter 17 and the laser receiver 18 on the checking assembly 6, wherein during monitoring, the motor 9 is controlled and rotated through a controller, and the first sliding block 11 moves on the guide rail 12 through the rotation of the threaded rod 10 and drives the second sliding block 15 and the first guide part 14; the checking support 13 moves through the first guide piece 14 and the second guide piece 16, so that the levelness of the textile fabric 32 is monitored through the laser transmitter 17 and the laser receiver 18; when the levelness of the textile fabric 32 changes, the textile fabric 32 can shield the laser emitted by the laser emitter 17, so that the laser receiver 18 cannot receive signals, and the warning lamp on the checking support 13 is turned on to warn at the moment, otherwise, the levelness is normal;

and S4, adjusting the levelness, rotating the adjusting threaded column 20 by using the turntable 22, pulling or pushing the adjusting block 23 by the adjusting threaded column 20, so that one end of the adjusting roller 19 moves, the offset direction of the textile fabric 32 is changed, and the adjustment is carried out through the scale on the turntable 22 to restore the normal state.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.