CN209923658U

CN209923658U - Cloth inspecting machine

Info

Publication number: CN209923658U
Application number: CN201920594237.5U
Authority: CN
Inventors: 刘治中
Original assignee: Chun'an Qiandao Huhangrui Weaving Co Ltd
Current assignee: Chun'an Qiandao Huhangrui Weaving Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-01-10
Anticipated expiration: 2029-04-28

Abstract

The utility model relates to a cloth inspecting machine, it includes the frame, and the top of frame is provided with the light-passing board of slope, is fixed with the support frame in the frame, is provided with the deflector roll on the support frame, and the length direction of deflector roll is on a parallel with the light-passing board, be provided with the drive roll on the support frame, the drive roll gyration is supported in the frame to the length direction of drive roll is on a parallel with the length direction of deflector roll, be fixed with driving motor on the support frame, driving motor's output is connected with the drive roll, the below of drive roll is provided with pendulum cloth device, and pendulum cloth device includes pendulum rod and drive assembly, and drive assembly is connected with the drive roll transmission, and pendulum rod one end is rotated and is connected on the drive roll. The utility model discloses have and fold more orderly effect to the cloth.

Description

Cloth inspecting machine

Technical Field

The utility model belongs to the technical field of a cloth production facility's technique and specifically relates to a cloth inspection machine is related to.

Background

The cloth inspecting machine is a set of necessary special equipment for detecting extra-large-breadth, double-breadth and single-breadth cloth such as cotton, wool, hemp, silk, chemical fiber and the like before production in the clothing industry, and the operation method of the cloth inspecting machine comprises the following steps: the cloth to be inspected is conveyed past the luminous cloth inspection table, the cloth inspection table provides sufficient light source, and the operator observes by eyesight.

Patent document No. CN208537437U discloses a cloth inspecting machine, which comprises a frame and a cloth swinging device arranged on the frame and used for swinging and folding cloth, wherein the cloth swinging device comprises a swinging mechanism, the swinging mechanism comprises a crank and a swinging rod which are rotatably connected to the frame, a connecting rod is rotatably connected between the crank and the swinging rod, the crank is driven by a motor to rotate, so as to drive the connecting rod in the process of rotating the crank, and the connecting rod drives the swinging rod to swing, thereby swinging and folding the cloth.

However, in such a structure, if the moving speed of the cloth is changed and the swinging speed of the swinging rod is not changed, the width of one layer of cloth folded is different when the same swinging rod swings once, thereby causing the untidy folding of the cloth.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cloth inspection machine, it has the folding more orderly effect of cloth.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a cloth inspecting machine, includes the frame, and the top of frame is provided with the light-passing board of slope, is fixed with the support frame in the frame, is provided with the deflector roll on the support frame, and the length direction of deflector roll is on a parallel with the light-passing board, be provided with the drive roll on the support frame, the drive roll gyration is supported in the frame to the length direction of drive roll is on a parallel with the length direction of deflector roll, be fixed with driving motor on the support frame, driving motor's output is connected with the drive roll, the below of drive roll is provided with pendulum cloth device, and pendulum cloth device includes pendulum rod and drive assembly, and drive assembly is connected with the drive roll transmission, and pendulum rod one end is rotated and is connected on.

Through adopting above-mentioned technical scheme, during the use, driving motor drives the drive roll and rotates, the drive roll is drawing the cloth, the cloth is translated along the light-passing board under the effect of deflector roll, the cloth is examined on the light-passing board, be provided with the pendulum cloth device below the drive roll and be used for folding the cloth, and the pendulum rod rotates and connects on the drive roll, drive assembly is connected with the drive roll transmission, the rotation that makes the drive roll drives the swing of pendulum rod, thereby make the number of turns of rotation of drive roll corresponding with the number of times of pendulum rod swing, thereby make the length of the cloth of swing output at every turn the same, thereby can be more neat to the folding of cloth.

The utility model discloses further set up to: the drive assembly comprises a chain, a connecting rod, a driving chain wheel and a driven chain wheel, the driving chain wheel is coaxially fixed at the end part of the driving roller, the driven chain wheel is rotatably supported on the support frame, one end of the connecting rod is rotatably connected onto the swing rod, the other end of the connecting rod is rotatably connected onto the driven chain wheel, the chain is in chain transmission connection onto the driving chain wheel and the driven chain wheel, the connecting rod is parallel and not collinear with the rotating axis of the swing rod and the rotating axis of the driving roller, and the connecting rod is parallel and not collinear with the rotating axis of the driven chain wheel and the central.

Through adopting above-mentioned technical scheme, drive sprocket and drive roll are coaxial fixed, and the drive roll can make drive sprocket rotate simultaneously at the pivoted in-process, and driven sprocket is connected with drive sprocket transmission under the effect of chain, and driven sprocket passes through the connecting rod drive pendulum rod and swings, makes the swing of pendulum rod be connected with the rotation transmission of drive roll.

The utility model discloses further set up to: the upper portion of drive roll is provided with the compression roller, and the both ends of compression roller are provided with the ascending U-shaped frame of opening, and the U-shaped frame is fixed on the support frame, and the compression roller is used for placing in the U-shaped frame, has seted up anti-skidding line on the lateral wall of compression roller.

Through adopting above-mentioned technical scheme, the compression roller is pressed in the top of drive roll, is provided with the U-shaped frame at the both ends of compression roller, makes the compression roller support on the U-shaped frame to the cloth is pressed from both sides with the drive roll to the compression roller under the effect of gravity, increases the frictional force between cloth and the drive roll, makes cloth carry length and drive roll rotation number of turns keep unanimous.

The utility model discloses further set up to: the chain is connected with a compression wheel, the compression wheel is connected with a compression rod, one end of the compression rod is hinged to the support frame, the compression wheel is rotatably supported at one end, away from the support frame, of the compression rod, a tension spring is connected to the compression rod, one end of the tension spring is fixed to the compression rod, the other end of the tension spring is fixed to the support frame, and the compression wheel is driven to be close to the chain by acting force of the tension spring.

Through adopting above-mentioned technical scheme, connect the pinch roller on the chain, the pinch roller is connected the pinch bar, and the extension spring makes the pinch roller extrude on the chain to the pulling force of pinch bar to make the chain more reliable with being connected between drive sprocket and the driven sprocket, reduce and slide.

The utility model discloses further set up to: the swing rod comprises a sleeve and an inserted bar, one end of the sleeve is rotatably connected to the end of the driving roller, the inserted bar is inserted into one end, away from the driving roller, of the sleeve, the length direction of the inserted bar is parallel to the length direction of the sleeve, and a positioning assembly is arranged between the inserted bar and the sleeve.

Through adopting above-mentioned technical scheme, inserted bar one end is inserted the intraductal, and locating component is used for fixed with the length between inserted bar and the sleeve pipe, and the relative sleeve pipe length that stretches out of inserted bar can be adjusted, adjusts folding department downwardly extending's length when conveniently folding different cloth, and thicker cloth is difficult to fold, and the length of pendulum rod is extended.

The utility model discloses further set up to: the locating component comprises a bolt, the bolt is perpendicular to the length direction of the sleeve, one end of the bolt is used for being inserted into the sleeve, a plurality of locating holes are formed in the side wall of the inserted rod along the length direction of the inserted rod, and one end of the bolt inserted into the sleeve is matched with one locating hole.

Through adopting above-mentioned technical scheme, the tip of bolt inserts the cover intraductal, has seted up a plurality of locating holes at the inserted bar one end that inserts the cover intraductal, and when the tip of bolt inserted in the locating hole, can make inserted bar and sheathed tube length fixed.

The utility model discloses further set up to: the positioning assembly further comprises a shell and a spring, the shell is fixed on the side wall of the sleeve, the bolt is located in the shell, the spring is sleeved on the bolt, one end of the spring abuts against the bolt, the other end of the spring abuts against the shell, and one end, far away from the sleeve, of the bolt extends out of the shell and is connected with a pull ring.

Through adopting above-mentioned technical scheme, spring one end butt is on the casing, and the other end butt is on the bolt, and the effort of spring keeps the bolt to insert in the locating hole to make the bolt fixed easily, make things convenient for the regulation of pendulum rod length.

The utility model discloses further set up to: the lower part of frame is provided with the blowing device, and the blowing device includes two free rollers, and two free rollers are on a parallel with the deflector roll, and the free roller gyration is supported in the frame.

Through adopting above-mentioned technical scheme, two free rollers gyration is supported in the frame, and the coiled cloth can be placed on two free rollers, unreeling the in-process to the cloth, and the free roller rotates, makes the cloth unreel easily.

The utility model discloses further set up to: be provided with the nip roll in the frame, the nip roll is equal to the deflector roll, and the nip roll gyration is supported in the frame, and the end connection of nip roll has the rotation motor, is provided with the external screw thread on the lateral wall of nip roll, is located revolving to the opposite of the external screw thread at nip roll both ends, the nip roll all with the deflector roll the upper surface tangent and the downside that is located the light-passing board.

Through adopting above-mentioned technical scheme, the nip roll rotates under the effect that rotates the motor to be provided with the external screw thread on the lateral wall of nip roll, the external screw thread can flatten the cloth at the pivoted in-process, thereby when making the cloth arrive on the light-passing board, carry out the cloth easily and inspect.

The utility model discloses further set up to: the light-transmitting plate is made of acrylic materials.

Through adopting above-mentioned technical scheme, when the light-passing board was made for ya keli material, the light-passing board can evenly distributed light, makes the more even cloth that sees through of light, observes the flaw of cloth easily.

To sum up, the utility model discloses a beneficial technological effect does:

1. the driving motor drives the driving roller to rotate, the driving roller pulls the cloth, the cloth translates along the light-transmitting plate under the action of the guide roller, the cloth is inspected on the light-transmitting plate, a cloth swinging device is arranged below the driving roller and used for folding the cloth, the swing rod is rotatably connected to the driving roller, and the driving assembly is in transmission connection with the driving roller, so that the driving roller rotates to drive the swing rod to swing, the number of rotating turns of the driving roller corresponds to the number of swinging times of the swing rod, the length of the cloth output by each swinging is the same, and the cloth can be folded neatly;

2. the pressing roller is pressed above the driving roller, the two ends of the pressing roller are provided with the U-shaped frames, so that the pressing roller is supported on the U-shaped frames, the pressing roller and the driving roller clamp the cloth under the action of gravity, the friction force between the cloth and the driving roller is increased, and the cloth conveying length is consistent with the number of turns of the driving roller;

3. insert the intraductal through inserted bar one end, locating component is used for fixed with the length between inserted bar and the sleeve pipe, and the length that the relative sleeve pipe of inserted bar stretches out can be adjusted, conveniently adjusts folding department downwardly extending's length when folding different cloth.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the cloth placing device;

FIG. 3 is a schematic structural diagram of a swing link;

fig. 4 is a schematic diagram of the overall structure of the present invention.

In the figure, 1, a frame; 11. a working platform; 12. a light-transmitting plate; 13. a support frame; 14. a panel light; 2. a guide roller; 3. a drive roll; 31. a drive motor; 32. anti-skid lines; 33. a compression roller; 34. a U-shaped frame; 4. a cloth placing device; 41. a swing rod; 411. a sleeve; 412. inserting a rod; 4121. positioning holes; 413. a positioning assembly; 4131. a bolt; 4132. a spring; 4133. a housing; 4134. a pull ring; 42. a drive assembly; 421. a chain; 422. a connecting rod; 423. a drive sprocket; 424. a driven sprocket; 425. a pinch roller; 426. a hold down bar; 427. a tension spring; 43. a cloth arranging roller; 5. a distributing chute; 51. a guide bar; 52. a guide hole; 6. a lifting device; 61. a first worm; 62. a second worm; 63. a first worm wheel; 64. a second worm gear; 65. a self-locking motor; 7. a discharging device; 71. a free roll; 72. flattening rollers; 73. the motor is rotated.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a cloth inspecting machine, which comprises a frame 1, the upper surface of frame 1 is work platform 11, light-passing board 12 at the top slope of frame 1, light-passing board 12 is made for the ya keli material, work platform 11's below is used for placing the cloth, the upper portion of frame 1 is provided with support frame 13, be provided with deflector roll 2 on the

support frame

13, 2 gyration supports of deflector roll on

support frame

13, 2's of deflector roll length direction is on a parallel with the surface of light-passing board 12, and deflector roll 2 is tangent with the upper surface of light-passing board 12, can be along light-passing board 12 parallel translation when making the cloth take on deflector roll 2. Be provided with panel light 14 at the lower surface of light-passing board 12, panel light 14 has on a plurality of and evenly distributed light-passing board 12's the face, makes the holistic illumination intensity of light-passing board 12 relatively close to can make relatively more convenient judgement at the perching.

Referring to fig. 1, a driving roll 3 is arranged on a support frame 13, the driving roll 3 is rotatably supported on the support frame 13, a driving motor 31 is arranged at one end of the driving roll 3, the driving motor 31 is fixed on the support frame 13, the driving roll 3 is coaxially fixed with an output end of the driving motor 31, a length direction of the driving roll 3 is parallel to a length direction of the guide roll 2, the driving roll 3 is located at the other side of the guide roll 2 opposite to the light-transmitting plate 12, the driving roll 3 and the guide roll 2 are arranged at the same height, and the cloth horizontally extends from the position of the guide roll 2 to the position of the driving roll 3. The side wall of the driving roller 3 is provided with anti-slip lines 32, and the anti-slip lines 32 are used for increasing the friction force between the cloth and the driving roller 3, so that the cloth is conveniently conveyed by the driving roller 3; a press roller 33 is arranged above the driving roller 3, the press roller 33 is parallel to the driving roller 3, U-shaped frames 34 are arranged at two ends of the press roller 33, an opening of each U-shaped frame 34 is vertically upward, two ends of each press roller 33 are supported in the corresponding U-shaped frame 34, the lowest point of each press roller 33, which is placed on the corresponding U-shaped frame 34, is tangent to the driving roller 3, cloth penetrates through the lower portion of each press roller 33, and the press rollers 33 and the driving roller 3 clamp the cloth under the action of gravity.

Referring to fig. 2, a cloth swinging device 4 is arranged below the driving roller 3, the cloth swinging device 4 folds the cloth in an S shape, the cloth swinging device 4 includes two swing rods 41 and a driving component 42, the two swing rods 41 are respectively located at two ends of the driving roller 3, the upper end of the swing rod 41 is rotatably connected to the driving roller 3, the rotating axis of the swing rod 41 is the same as the axis of the driving roller 3, a cloth swinging roller 43 is arranged at the lower end of the swing rod 41, the four cloth swinging rollers 43 are arranged in parallel, the cloth swinging rollers 43 are arranged at intervals, the cloth swinging rollers 43 are parallel to the driving roller 3, the cloth conveyed from the driving roller 3 passes between the two cloth swinging rollers 43, and the driving component 42 drives the swing rod 41 to swing periodically.

Referring to fig. 2 and 4, the driving assembly 42 includes a chain 421, a connecting rod 422, a driving sprocket 423 and a driven sprocket 424, the driving sprocket 423 is coaxially fixed at an end of the driving roller 3, the driving sprocket 423 rotates on the driving roller 3 synchronously with the driving roller 3, the driven sprocket 424 is rotatably supported on the supporting frame 13, the chain 421 is chain-driven connected to the driving sprocket 423 and the driven sprocket 424, so that the driven sprocket 424 can drive the driving sprocket 423 to rotate, one end of the connecting rod 422 is rotatably connected to the swing link 41, the rotating axes of the connecting rod 422 and the swing link 41 are parallel to and misaligned with the rotating axis of the supporting rod, one end of the connecting rod 422, which is far away from the swing link 41, is rotatably connected to the driven sprocket 424, and the rotating axis of the connecting rod 422 is parallel to and misaligned with the rotating. The driven sprocket 424 drives the link 422 to move during the rotation process, so that the link 422 pushes the swing link 41 to swing.

Referring to fig. 2, in order to keep the chain 421 transmitting effectively to the driving sprocket 423 and the driven sprocket 424, a pressing wheel 425 is connected to the chain 421, a pressing rod 426 is connected to the pressing wheel 425, one end of the pressing rod 426 is hinged to the supporting frame 13, the other end extends to the position of the pressing wheel 425, the pressing wheel 425 is supported on the pressing member in a rotating manner, a tension spring 427 is connected to the pressing member, one end of the tension spring 427 is fixed to the pressing member, the other end of the tension spring 427 is fixed to the supporting frame 13, and the pressing wheel 425 is close to the chain 421 by the acting force of the tension spring 427, so that the pressing wheel 425 tensions the chain 421 under the action of the tension spring 427.

Referring to fig. 3, the swing link 41 includes a sleeve 411 and an insertion rod 412, one end of the sleeve 411 is rotatably connected to the driving roller 3, the other end is used for inserting the insertion rod 412, the length direction of the insertion rod 412 is parallel to the length direction of the sleeve 411, and the insertion rod 412 can extend along the length of the swing link 41 along the length direction of the sleeve 411. A positioning component 413 is arranged on the side wall of the sleeve 411, the positioning component 413 comprises a bolt 4131, a spring 4132 and a shell 4133, the bolt 4131 is perpendicular to the length direction of the sleeve 411, one end of the bolt 4131 is inserted into the sleeve 411 from the side wall of the sleeve 411, a positioning hole 4121 is arranged on the side wall of the inserted rod 412, a plurality of positioning holes 4121 are arranged along the length direction of the inserted rod 412, one end of the bolt 4131 inserted into the sleeve 411 is inserted into one of the positioning holes 4121, so that the inserted rod 412 is fixed relative to the length of the sleeve 411, the shell 4133 is fixed on the side wall of the sleeve 411, the bolt 4131 is positioned in the shell 4133, the spring 4132 is sleeved on the bolt 4131, one end of the spring 4132 abuts against the bolt 4131, the other end abuts against the shell 4133, the acting force direction of the spring 4132 is along the length direction of the bolt 4131, one end of the bolt 4131 far away from the sleeve 411 extends out, the worker can conveniently pull the pull ring 4134 to pull the bolt 4131 out of the positioning hole 4121, thereby extending or shortening the swing link 41.

Referring to fig. 1 and 4, a cloth distributing groove 5 is arranged below the cloth placing device 4, a vertically downward guide rod 51 is fixedly arranged on the cloth distributing groove 5, a guide hole 52 matched with the guide rod 51 is formed in the frame 1, and the guide rod 51 is in sliding fit in the guide hole 52. The cloth distributing groove 5 is used for collecting cloth falling from the cloth arranging device 4, in order to enable the cloth arranging device 4 to enable the cloth to be tidy in the swinging process, the cloth distributing groove 5 is connected with a lifting device 6, the lifting device 6 comprises a first worm 61, a second worm 62, a first worm wheel 63 and a second worm wheel 64, the first worm 61 is coaxially fixed on a driven chain wheel 424, the second worm 62 is vertically arranged, the second worm 62 is rotatably supported on the frame 1, the first worm wheel 63 is coaxially fixed at the upper end of the second worm 62, the first worm wheel 63 is meshed with the first worm 61, in the process that the first worm 61 rotates along with the driven chain wheel 424, the first worm 61 rotates and drives the first worm wheel 63 to rotate, the first worm wheel 63 drives the second worm 62 to rotate, the second worm wheel 64 is rotatably supported on the side wall of the cloth distributing groove 5 and meshed with the second worm 62, a self-locking motor 65 is fixedly arranged on the cloth distributing groove 5, and the second worm wheel 64 is, when the self-locking motor 65 stops, the second worm wheel 64 and the distribution chute 5 are relatively fixed, the second worm 62 rotates to drive the second worm wheel 64 to move up and down along the length direction of the second worm 62, and meanwhile, the distribution chute 5 vertically moves up and down. When the self-locking motor 65 works, the second worm 62 stops rotating, and the self-locking motor 65 can drive the second worm wheel 64 to rotate, so that the second worm wheel 64 moves along the length direction of the second worm 62. In the process of receiving materials by the distributing chute 5, when the materials are gradually collected, the distributing chute 5 is positioned above, and the worm II 62 of the distributing chute 5 descends in the process of rotating; when the distribution chute 5 reaches the lowest point to complete or complete one-time material collection, the distribution chute 5 returns to the high point again under the action of the self-locking motor 65, so that the distribution chute 5 can conveniently collect and distribute materials for the second time.

Referring to fig. 4, a feeding device 7 is arranged at the lower part of the machine frame 1, the feeding device 7 includes two free rollers 71, the two free rollers 71 are arranged in parallel, two ends of the free rollers 71 are rotatably supported on the machine frame 1, a rolled cloth to be detected is placed above the free rollers 71, a flattening roller 72 is arranged above the free rollers 71, the length direction of the flattening roller 72 is parallel to the guide roller 2 and is overlapped above the flattening roller 72, the flattening roller 72 is tangent to the upper surface of the light-transmitting plate 12, the flattening roller 72 and the upper part of the guide roller 2 simultaneously support the cloth, and the cloth is parallel to the upper surface of the light-transmitting plate 12. The upper surface of the working platform 11 is provided with a yielding hole, so that cloth can conveniently pass through the yielding hole.

Referring to fig. 4, an external thread is arranged on the outer wall of the flattening roller 72, the rotating direction of the external thread on the outer wall of the flattening roller 72 is opposite, a rotating motor 73 for driving the flattening roller 72 to rotate is arranged on the rack 1, the rotating motor 73 is fixed on the rack 1, the flattening roller 72 is coaxially fixed at the output end of the rotating motor 73, the external thread is used for flattening the cloth, the rotating direction of the flattening roller 72 is opposite to the rotating direction of the guide roller 2, the flattening effect of the flattening roller 72 on the cloth is increased, the cloth is tiled on the upper surface of the light-transmitting plate 12, and the inspection by workers is facilitated.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a cloth inspection machine, includes frame (1), and the top of frame (1) is provided with light-passing board (12) of slope, is fixed with support frame (13) on frame (1), is provided with deflector roll (2) on support frame (13), and the length direction of deflector roll (2) is on a parallel with light-passing board (12), its characterized in that: be provided with drive roll (3) on support frame (13), drive roll (3) gyration is supported in frame (1) to the length direction of drive roll (3) is on a parallel with the length direction of deflector roll (2), be fixed with driving motor (31) on support frame (13), the output and the drive roll (3) of driving motor (31) are connected, the below of drive roll (3) is provided with pendulum cloth device (4), and pendulum cloth device (4) include pendulum rod (41) and drive assembly (42), and drive assembly (42) are connected with drive roll (3) transmission, and pendulum rod (41) one end is rotated and is connected on drive roll (3), and drive assembly (42) are used for driving pendulum rod (41) swing.

2. The cloth inspecting machine according to claim 1, characterized in that: drive assembly (42) include chain (421), connecting rod (422), drive sprocket (423) and driven sprocket (424), drive sprocket (423) coaxial fixation is at the tip of drive roller (3), driven sprocket (424) gyration is supported on support frame (13), connecting rod (422) one end is rotated and is connected on pendulum rod (41), and the other end is rotated and is connected on driven sprocket (424), chain (421) chain drive connection is on drive sprocket (423) and driven sprocket (424), the axis of rotation of connecting rod (422) and pendulum rod (41) and drive roller (3) is parallel and not collinear, and the axis of rotation of connecting rod (422) and driven sprocket (424) and the central line of driven sprocket (424) are parallel and not collinear.

3. The cloth inspecting machine according to claim 2, characterized in that: the anti-skidding type roller is characterized in that a compression roller (33) is arranged above the driving roller (3), U-shaped frames (34) with upward openings are arranged at two ends of the compression roller (33), the U-shaped frames (34) are fixed on the supporting frame (13), the compression roller (33) is used for being placed in the U-shaped frames (34), and anti-skidding patterns (32) are formed in the side wall of the compression roller (33).

4. The cloth inspecting machine according to claim 3, characterized in that: be connected with pinch roller (425) on chain (421), pinch roller (425) are connected with compressing bar (426), and compressing bar (426) one end articulates on support frame (13), and pinch roller (425) gyration is supported and is being kept away from the one end of support frame (13) at pinch roller (426), be connected with extension spring (427) on compressing bar (426), extension spring (427) one end is fixed on pinch roller (426), and the other end is fixed on support frame (13), and the effort of extension spring (427) orders about pinch roller (425) and is close to chain (421).

5. Cloth inspecting machine according to any of claims 1-4, characterized in that: the swing rod (41) comprises a sleeve (411) and an inserting rod (412), one end of the sleeve (411) is rotatably connected to the end of the driving roller (3), the inserting rod (412) is inserted into one end, far away from the driving roller (3), of the sleeve (411), the length direction of the inserting rod (412) is parallel to the length direction of the sleeve (411), and a positioning assembly (413) is arranged between the inserting rod (412) and the sleeve (411).

6. The cloth inspecting machine according to claim 5, characterized in that: the positioning assembly (413) comprises a bolt (4131), the bolt (4131) is perpendicular to the length direction of the sleeve (411), one end of the bolt (4131) is used for being inserted into the sleeve (411), a plurality of positioning holes (4121) are formed in the side wall of the inserted rod (412) along the length direction of the inserted rod (412), and one end, inserted into the sleeve (411), of the bolt (4131) is matched with one positioning hole (4121).

7. The cloth inspecting machine according to claim 6, characterized in that: the positioning assembly (413) further comprises a shell (4133) and a spring (4132), the shell (4133) is fixed on the side wall of the sleeve (411), the bolt (4131) is located in the shell (4133), the spring (4132) is sleeved on the bolt (4131), one end of the spring (4132) abuts against the bolt (4131), the other end of the spring (4132) abuts against the shell (4133), and one end, far away from the sleeve (411), of the bolt (4131) extends out of the shell (4133) and is connected with a pull ring (4134).

8. The cloth inspecting machine according to claim 1, characterized in that: the lower part of frame (1) is provided with blowing device (7), and blowing device (7) include two free rollers (71), and two free rollers (71) are on a parallel with deflector roll (2), and free roller (71) gyration is supported on frame (1).

9. The cloth inspecting machine according to claim 1, characterized in that: be provided with nip roll (72) on frame (1), nip roll (72) are equallyd in deflector roll (2), and nip roll (72) gyration is supported on frame (1), and the end connection of nip roll (72) has rotation motor (73), is provided with the external screw thread on the lateral wall of nip roll (72), and the external screw thread that is located nip roll (72) both ends revolves to the opposite, nip roll (72) and deflector roll (2) all are tangent and are located the downside of light-passing board (12) with the upper surface of light-passing board (12).

10. The cloth inspecting machine according to claim 1, characterized in that: the light-transmitting plate (12) is made of acrylic materials.