Knitted convex pattern scanning detection equipment and detection method

Abstract

The invention discloses a knitted relief scanning detection device and a detection method, relates to the field of knitted relief detection, and solves the problems that the detection accuracy is reduced and the detection efficiency is low due to the fact that the existing knitted relief fabric is easy to deform due to excessive traction during relief and quality detection. In order to solve the problems that in the prior art, in the prior art, a knitted relief fabric roll changing traction conveying device comprises a supporting table, a supporting frame, a mounting frame, a telescopic rod, a first sliding rail, scanning detection equipment, a lower conveying roller, an upper conveying roller, a driving mechanism and a distance adjusting mechanism; the driving mechanism is used for driving the lower conveying roller and the upper conveying roller on the upper side and the lower side to rotate, the distance adjusting mechanism is used for adjusting the distance between the lower conveying roller and the upper conveying roller, and a fabric threading mechanism is further arranged on the mounting frame. According to the device, the knitted relief fabric can be stably conveyed at the two ends together, so that the scanning detection precision is improved, and meanwhile, the knitted relief fabric can be conveniently subjected to roll changing and traction conveying.

Description

Technical Field

[0001] The invention relates to the field of knitted convex pattern detection, and in particular to a knitted convex pattern scanning detection device and a detection method. Background Art

[0002] Knitted embossing is a kind of raised effect formed on the surface of knitted fabrics, which is mainly achieved through a specific knitting process. The following is a detailed introduction to knitted embossing:

[0003] 1. Formation principle: Knitted convex pattern mainly uses Siping tissue as the basic tissue, and through special knitting technology, bulging waves and curls are formed on the surface of the fabric;

[0004] 2. Classification: Knitted convex stripes can be divided into single-color convex stripes and pattern convex stripes, overall convex stripes and partial convex stripes, as well as closed convex stripes and open convex stripes;

[0005] 3. Application: Knitted embossed fabric is often used as an ideal fabric for knitted outerwear due to its unique convex and concave feel and ornamental properties. At the same time, embossed fabric, as a kind of fabric embossing, is also widely used in textiles such as curtains and clothes.

[0006] In production and processing, knitted embossed fabrics generally need to be scanned and tested before leaving the factory to detect whether the texture, size, etc. produced on their surface meet the requirements and to determine whether there are other quality problems. However, existing detection equipment usually uses a single conveyor roller for guiding and transmitting, which is easy to cause a large pulling on the knitted embossed fabric, causing the knitted embossed fabric, which is already easy to deform, to have a large deformation, thereby reducing the detection accuracy; and when the knitted embossed fabric is subjected to the roll change detection of loading and unloading materials, it is not convenient to pull the new knitted embossed fabric roll. Therefore, a knitted embossed scanning detection device and detection method are proposed. Summary of the invention

[0007] The purpose of the present invention is to provide a knitted embossed scanning detection device and detection method, which solves the problem that the existing knitted embossed fabric is easily over-pulled and deformed during embossed and quality inspection, resulting in reduced detection accuracy, and at the same time it is not possible to conveniently pull and transport the knitted embossed fabric for roll change.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a knitted embossed scanning and detecting device, comprising a supporting platform, a supporting frame and a mounting frame connected to the supporting platform, a telescopic rod connected to the supporting frame, and a slide rail one connected through the telescopic rod, a scanning and detecting device being slidably connected in the slide rail one, both ends of the mounting frame are rotatably connected with a lower conveying roller and an upper conveying roller with an adjustable distance, a driving mechanism and a distance adjusting mechanism are provided on the mounting frame, the driving mechanism is used to drive the lower conveying roller and the upper conveying roller on the upper and lower sides to rotate so as to convey the knitted embossed fabric therebetween, the distance adjusting mechanism is used to adjust the distance between the lower conveying roller and the upper conveying roller so as to clamp the knitted embossed fabric therebetween, and a fabric threading mechanism is also provided on the mounting frame for threading one end of the knitted embossed fabric.

[0009] Preferably, the driving mechanism includes a slide groove, a slider 1, a driving motor, and a belt. The slide groove is opened on the mounting frame, the slider 1 is slidably connected in the slide groove, the rotating sleeves passing through both ends of the upper conveying roller are in the slider 1, the driving motor is mounted on the mounting frame, and the output end of the driving motor is connected to the driving gear, the upper conveying roller and the driven gear are both equipped with driven gears, the driven gears are meshed with each other and meshed with the driving gear, the upper conveying roller and the driven gear are both equipped with a disc 1, each of the discs 1 is coaxially rotatably connected to two rotating plates 1, and the rotating plates 1 on the same side are coaxially connected to a disc 2.

[0010] Preferably, the inner wall of the slide groove is connected to a guide slide rod 1, the slide rod 1 is slidably sleeved on the outside of the guide slide rod 1, the outer side of the guide slide rod 1 is sleeved with a spring 1, and the two ends of the spring 1 are respectively connected to the slide rod 1 and the inner wall of the slide groove.

[0011] Preferably, the distance adjustment mechanism includes a mounting seat, a rotating plate, a roller, a guide slide bar, a push plate, and a top plate. The mounting seat is rotatably connected to the disc two, the rotating plate two is rotatably connected to the mounting seat, adjacent rotating plates two are rotatably connected with a connecting seat, the roller is rotatably connected to the connecting seat, the guide slide bar two is connected to the mounting frame, the push plate is slidably sleeved on the outer side of the guide slide bar two and is rollingly connected to the roller, the push plate is connected to an inclined frame, the top plate one is connected to the slide rail, and the lower end of the top plate one slides in contact with the inclined frame.

[0012] Preferably, a second spring is sleeved on the outer side of the second guide slide rod, and two ends of the second spring are respectively connected to the mounting frame and the push plate.

[0013] Preferably, the mounting seat and the rotating plate 1 are rotatably connected to the two sides of the disc 2 respectively, and the two ends of the push plate are convex.

[0014] Preferably, the fabric threading mechanism includes a second slide rail, a second slider, a connecting block, a clamping plate, and a frame. The second slide rail is connected to the mounting frame. The second slider is slidably connected within the second slide rail. The connecting block is connected to the second slider, and guide slide bars three are symmetrically connected to both sides of the connecting block. The clamping plate is slidably sleeved outside the guide slide bars three. Oblique blocks are connected to the mutually remote sides of the two clamping plates. The frame is connected to the first top plate, and a second top plate is connected to the frame. The second top plate is in mating contact sliding with the oblique block.

[0015] Preferably, a third spring is sleeved outside the guide slide bar three, and the two ends of the third spring are respectively connected to the second slider and the guide slide bar three.

[0016] Preferably, the second slide rail is located between the lower conveying roller and the upper conveying roller.

[0017] A method for scanning and detecting knitted rib patterns specifically includes the following steps:

[0018] Step 1: Move the fabric threading mechanism to one end of the support table, clamp one end of the knitted rib fabric on the fabric threading mechanism, drive the upper conveying roller to move upward through the distance adjusting mechanism to increase the distance between the lower conveying roller and the upper conveying roller, and then move the fabric threading mechanism from between the lower conveying roller and the upper conveying roller to the other end of the support table to complete the threading of the knitted rib fabric.

[0019] Step 2: Control the distance adjusting mechanism to remove the end of the knitted rib fabric that has been threaded from the fabric threading mechanism and connect it to the driving device for pulling and conveying. Further control the distance adjusting mechanism to drive the upper conveying roller to move downward and gradually contact the lower conveying roller to clamp the knitted rib fabric therebetween, and then synchronously drive the lower conveying roller and the upper conveying roller to rotate through the driving mechanism to convey the knitted rib fabric clamped therebetween.

[0020] Step 3: During the conveyance of the knitted rib fabric, the scanning and detecting device reciprocally slides within the first slide rail to achieve the scanning and detection of the knitted rib fabric.

[0021] Compared with the related art, a knitted rib scanning and detecting device and a detecting method provided by the present invention have the following beneficial effects:

[0022] The present invention can avoid the deformation of the knitted rib fabric caused by unilateral pulling through the common pulling and conveying of the knitted rib fabric at both ends, improve the accuracy of scanning and detection. At the same time, before detection, the knitted rib fabric can be naturally relaxed and flattened to further ensure the quality of scanning and detection. Moreover, with fewer driving parts, the pulling and conveying of both ends of the knitted rib fabric and the rewinding traction can be achieved, simplifying the structure and control to reduce the equipment failure rate and being beneficial to the later operation and maintenance. Brief Description of the Drawings

[0023] Figure 1 This is a schematic structural view of the present invention.

[0024] Figure 2 This is a schematic structural view of the present invention without a support platform and a support frame.

[0025] Figure 3 is Figure 2 a schematic structural view of the present invention without a frame body and a second top plate.

[0026] Figure 4 This is a schematic structural view of the distance adjustment mechanism and the drive mechanism of the present invention.

[0027] Figure 5 This is a schematic structural view of the drive mechanism of the present invention.

[0028] Figure 6 This is a schematic structural view of the fabric threading mechanism of the present invention.

[0029] In the figure: 1, support platform; 2, support frame; 3, mounting frame; 4, telescopic rod; 5, first slide rail; 6, scanning and detecting device; 7, lower conveying roller; 8, upper conveying roller; 9, chute; 10, first slider; 11, first guiding slide bar; 12, first spring; 13, driving gear; 14, driven gear; 15, driving motor; 16, first disc; 17, first rotating plate; 18, second disc; 20, mounting seat; 21, second rotating plate; 22, connecting seat; 23, roller; 24, second guiding slide bar; 25, pushing plate; 26, inclined frame; 27, first top plate; 28, second spring; 29, second slide rail; 30, second slider; 31, connecting block; 32, third guiding slide bar; 33, clamping plate; 34, inclined block; 35, third spring; 36, frame body; 37, second top plate. Detailed Embodiments

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0031] Embodiment 1:

[0032] Please refer to Figures 1-6 , the present invention provides a technical solution: a knitted rib scanning and detecting device, including a support platform 1, a support frame 2 and a mounting frame 3 are connected to the support platform 1, a telescopic rod 4 is connected to the support frame 2, and a first slide rail 5 is connected through the telescopic rod 4. A scanning and detecting device 6 is slidably connected in the first slide rail 5. As shown in the attached Figure 1As shown, the support frame 2 is connected to the upper end of the support platform 1, and the mounting frames 3 are symmetrically arranged on both the front and rear sides of the upper end surface of the support platform 1.

[0033] The scanning and detecting device 6 can reciprocally slide within the first slide rail 5 to reciprocally scan and detect the knitted ribbed fabric located below it.

[0034] Distance-adjustable lower conveying rollers 7 and upper conveying rollers 8 are rotatably connected to both ends of the mounting frame 3. A driving mechanism and a distance adjusting mechanism are provided on the mounting frame 3. The driving mechanism is used to drive the lower conveying rollers 7 and the upper conveying rollers 8 on the upper and lower sides to rotate, so as to convey the knitted ribbed fabric therebetween.

[0035] The driving mechanism includes a chute 9, a first slider 10, a driving motor 15, and a belt 19. The chute 9 is opened on the mounting frame 3. The first slider 10 is slidably connected within the chute 9. Both ends of the upper conveying roller 8 are rotatably sleeved within the first slider 10. The driving motor 15 is mounted on the mounting frame 3, and the output end of the driving motor 15 is connected with a driving gear 13. Driven gears 14 are sleeved on both the upper conveying roller 8 and the driven gear 14. The driven gears 14 are meshed with each other and are meshed and connected with the driving gear 13. Discs one 16 are sleeved on both the upper conveying roller 8 and the driven gear 14. Two first rotating plates 17 are rotatably connected to each disc one 16 coaxially. The first rotating plates 17 on the same side are coaxially connected with a disc two 18 together.

[0036] As Figures 2-4 shown, the driving motor 15 can drive the driving gear 13 to rotate, drive the driven gear 14 to rotate through meshing connection, so that the lower conveying roller 7 on the lower side rotates. When the driving motor 15 also pushes the discs two 18 on both sides away from each other, under the linkage of the first rotating plates 17, the upper conveying roller 8 on the upper side moves downward, and drives the first slider 10 to slide downward within their respective chutes 9, gradually approaching the lower conveying roller 7. When the upper conveying roller 8 and the lower conveying roller 7 are in contact, the knitted ribbed fabric therebetween is clamped. At this time, the driven gear 14 sleeved on the upper conveying roller 8 is also meshed with the driven gear 14 sleeved on the lower conveying roller 7, and synchronously drives the upper conveying roller 8 and the lower conveying roller 7 to rotate under the drive of the driving motor 15, so as to convey the knitted ribbed fabric to one side.

[0037] Since the upper conveying rollers 8 and the lower conveying rollers 7 are arranged on both the left and right sides of the support platform 1, when the upper conveying rollers 8 and the lower conveying rollers 7 on both sides clamp the knitted ribbed fabric, the knitted ribbed fabric between the upper conveying rollers 8 and the lower conveying rollers 7 on both sides can be stably conveyed, avoiding over-tension of the knitted ribbed fabric caused by unilateral traction conveying, resulting in deformation of the knitted ribbed fabric and reducing the detection accuracy of the scanning and detecting device 6.

[0038] A guiding slide bar 11 is connected to the inner wall of the chute 9. The first slider 10 is slidably sleeved on the outside of the guiding slide bar 11. A first spring 12 is sleeved on the outside of the guiding slide bar 11. Two ends of the first spring 12 are respectively connected to the first slider 10 and the inner wall of the chute 9. With the arrangement of the first spring 12, when there is no external force pulling the two second discs 18 on both sides, under the action of the first spring 12, the first slider 10 can slide upward in the chute 9, so as to drive the upper conveyor roller 8 to move upward and separate from the lower conveyor roller 7 to generate a spacing.

[0039] The distance adjusting mechanism is used to adjust the spacing between the lower conveyor roller 7 and the upper conveyor roller 8, so as to clamp the knitted ribbed fabric therebetween. The distance adjusting mechanism includes a mounting seat 20, a second rotating plate 21, a roller 23, a second guiding slide bar 24, a pushing plate 25, and a first top plate 27. The mounting seat 20 is rotatably connected to the second disc 18. The second rotating plate 21 is rotatably connected to the mounting seat 20. A connecting seat 22 is rotatably connected between adjacent second rotating plates 21. The roller 23 is rotatably connected to the connecting seat 22. The second guiding slide bar 24 is connected to the mounting frame 3. The pushing plate 25 is slidably sleeved on the outside of the second guiding slide bar 24 and is in rolling connection with the roller 23. An inclined frame 26 is connected to the pushing plate 25. The first top plate 27 is connected to the slide rail 5. The lower end of the first top plate 27 is in mating contact sliding with the inclined frame 26. A second spring 28 is sleeved on the outside of the second guiding slide bar 24, and two ends of the second spring 28 are respectively connected to the mounting frame 3 and the pushing plate 25.

[0040] As Figures 2-4 shown, the telescopic rod 4 can extend, driving the first slide rail 5 to move downward, and driving the first top plates 27 connected to both sides thereof to move downward, thereby pushing the inclined frames 26 on both sides to approach the mounting frame 3 and compressing the second spring 28. Furthermore, the pushing plate 25 is pulled to approach the connecting seat 22, squeezing the roller 23 rotatably mounted thereon, causing the first rotating plate 17 to rotate, so as to push the second discs 18 on both sides to move away from each other, and further driving the upper conveyor roller 8 to move downward. When the telescopic rod 4 contracts, it drives the first top plate 27 to move upward. At this time, under the action of the first spring 12 and the second spring 28, the upper conveyor roller 8 moves upward to reset.

[0041] The mounting seat 20 and the first rotating plate 17 are respectively rotatably connected to both sides of the second disc 18. Both ends of the pushing plate 25 are convex. Such an arrangement can ensure that the position of the mounting seat 20 does not interfere with the rotation of the first rotating plate 17.

[0042] The mounting bracket 3 is also provided with a fabric threading mechanism for threading one end of the knitted ribbed fabric. The fabric threading mechanism includes a second slide rail 29, a second slider 30, a connecting block 31, a clamping plate 33, and a frame 36. The second slide rail 29 is connected to the mounting bracket 3. The second slider 30 is slidably connected within the second slide rail 29. The connecting block 31 is connected to the second slider 30, and guide slide rods three 32 are symmetrically connected to both sides of the connecting block 31. The clamping plate 33 is slidably sleeved outside the guide slide rods three 32. Oblique blocks 34 are connected to the sides of the two clamping plates 33 that are away from each other. The frame 36 is connected to the first top plate 27, and a second top plate 37 is connected to the frame 36. The second top plate 37 is in mating contact and sliding with the oblique block 34. A third spring 35 is sleeved outside the guide slide rods three 32, and the two ends of the third spring 35 are respectively connected to the second slider 30 and the guide slide rods three 32.

[0043] As Figure 6 shown, before the knitted ribbed fabric is conveyed, first move the second slider 30 to one end of the second slide rail 29, and then control the telescopic rod 4 to extend, driving the first slide rail 5 to move downward. During the process of driving the upper conveying roller 8 to move downward, the frame 36 connected to the first top plate 27 and the second top plate 37 are also synchronously driven to move downward, and are in mating contact with the oblique block 34 provided on the second slider 30 that has moved to one end of the support table 1, driving the two clamping plates 33 to slide away from each other on the slide rod 32 and compressing the third spring 35. At this time, one end of the knitted ribbed fabric can be placed between the two clamping plates 33. Then, retract the telescopic rod 4 to move the first top plate 27 upward and cancel the contact between the first top plate 27 and the oblique block 34. Under the action of the third spring 35, the two clamping plates 33 move closer to clamp the knitted ribbed fabric.

[0044] Then control the second slider 30 to slide within the second slide rail 29, and slide from one end of the support table 1 to the other end to complete the traction of the knitted ribbed fabric. Then, the telescopic rod 4 can be extended again to drive the upper conveying roller 8 to move downward again to fit with the lower conveying roller 7, clamping the knitted ribbed fabric that has been threaded between them. At this time, the driven gears 14 sleeved on the upper conveying roller 8 and the lower conveying roller 7 will also mesh again, and can be driven by the drive motor 15 to drive the upper conveying roller 8 and the lower conveying roller 7 to rotate to convey the knitted ribbed fabric.

[0045] When the upper conveying roller 8 and the lower conveying roller 7 clamp the knitted ribbed fabric, the second top plate 37 and the oblique block 34 are in a state of mating contact, that is, at this time, the clamping plate 33 will also cancel the clamping of the knitted ribbed fabric, facilitating the winding of the end of the knitted ribbed fabric that has been threaded and scanned and detected.

[0046] The second slide rail 29 is located between the lower conveying roller 7 and the upper conveying roller 8, so that when the upper conveying roller 8 moves upward to create a gap with the lower conveying roller 7, the clamping plate 33 provided on the second slider 30 within the second slide rail 29 can pass between them.

[0047] Among them, the cooperative sliding between the first slide rail 5 and the scanning and detecting device 6, and the cooperative sliding between the second slide rail 29 and the second slider 30 can both be carried out by using existing linear screw guides and linear roller guides, while the telescopic rod 4 adopts existing electric cylinders, electric telescopic rods or electric hydraulic rods, etc.

[0048] Embodiment 2:

[0049] Please refer to Figures 1-6 , the present invention provides a technical solution: a knitting convex pattern scanning and detecting method, and the specific steps include:

[0050] Step 1: Move the fabric threading mechanism to one end of the support table 1, clamp one end of the knitting convex pattern fabric on the fabric threading mechanism, drive the upper conveying roller 8 to move upward through the distance adjusting mechanism, increase the distance between the lower conveying roller 7 and the upper conveying roller 8, and then move the fabric threading mechanism from between the lower conveying roller 7 and the upper conveying roller 8 to the other end of the support table 1, and the threading of the knitting convex pattern fabric can be completed.

[0051] Step 2: Control the distance adjusting mechanism to remove the end of the knitted convex pattern fabric that has been threaded from the fabric threading mechanism and connect it to the driving device for pulling and conveying. Further control the distance adjusting mechanism to drive the upper conveying roller 8 to move downward and gradually contact the lower conveying roller 7 to clamp the knitted convex pattern fabric therebetween, and then drive the lower conveying roller 7 and the upper conveying roller 8 to rotate synchronously through the driving mechanism to convey the knitted convex pattern fabric clamped therebetween.

[0052] Step 3: During the conveying of the knitting convex pattern fabric, the scanning and detecting device 6 reciprocally slides in the first slide rail 5 to realize the scanning and detection of the knitting convex pattern fabric.

Claims

1. A knitted rib scanning detection device, comprising a support table (1), a support frame (2) and a mounting frame (3) are connected to the support table (1), a telescopic rod (4) is connected to the support frame (2), and a first slide rail (5) is connected through the telescopic rod (4), a scanning detection device (6) is slidably connected in the first slide rail (5), and it is characterized in that, Both ends of the mounting frame (3) are rotatably connected to a lower conveyor roller (7) and an upper conveyor roller (8) with adjustable distances. A driving mechanism and a distance adjusting mechanism are arranged on the mounting frame (3). The driving mechanism is used to drive the lower conveyor roller (7) and the upper conveyor roller (8) on the upper and lower sides to rotate, so as to convey the knitted ribbed fabric therebetween. The distance adjusting mechanism is used to adjust the distance between the lower conveyor roller (7) and the upper conveyor roller (8), so as to clamp the knitted ribbed fabric therebetween. A fabric threading mechanism is also arranged on the mounting frame (3) for threading one end of the knitted ribbed fabric.

2. The knitting rib scanning and detecting device according to claim 1, wherein The driving mechanism includes a chute (9), a first slider (10), a driving motor (15), and a belt (19). The chute (9) is opened on the mounting frame (3). The first slider (10) is slidably connected in the chute (9). Both ends of the upper conveyor roller (8) are rotatably sleeved in the first slider (10). The driving motor (15) is installed on the mounting frame (3), and the output end of the driving motor (15) is connected with a driving gear (13). Driven gears (14) are sleeved on both the upper conveyor roller (8) and the driven gear (14). The driven gears (14) are meshed with each other and are meshed and connected with the driving gear (13). Discs one (16) are sleeved on both the upper conveyor roller (8) and the driven gear (14). Two first rotating plates (17) are coaxially rotatably connected to each disc one (16). The first rotating plates (17) on the same side are coaxially connected with a disc two (18) together.

3. The knitting rib scanning and detecting device according to claim 2, wherein The inner wall of the chute (9) is connected with a first guiding slide bar (11). The first slider (10) is slidably sleeved outside the first guiding slide bar (11). A first spring (12) is sleeved outside the first guiding slide bar (11). Both ends of the first spring (12) are respectively connected with the first slider (10) and the inner wall of the chute (9).

4. A knitting rib scanning and detecting device according to claim 2, wherein, The distance adjusting mechanism includes a mounting seat (20), a second rotating plate (21), a roller (23), a second guiding slide bar (24), a pushing plate (25), and a first top plate (27). The mounting seat (20) is rotatably connected to the disc two (18). The second rotating plate (21) is rotatably connected to the mounting seat (20). A connecting seat (22) is rotatably connected between adjacent second rotating plates (21). The roller (23) is rotatably connected to the connecting seat (22). The second guiding slide bar (24) is connected to the mounting frame (3). The pushing plate (25) is slidably sleeved outside the second guiding slide bar (24) and is in rolling connection with the roller (23). An inclined frame (26) is connected to the pushing plate (25). The first top plate (27) is connected to the slide rail (5). The lower end of the first top plate (27) is in sliding contact and cooperation with the inclined frame (26).

5. The knitting rib scanning and detecting device according to claim 4, characterized in that, A second spring (28) is sleeved outside the second guiding slide bar (24), and both ends of the second spring (28) are respectively connected to the mounting frame (3) and the pushing plate (25).

6. A knitting rib scanning and detecting device according to claim 4, characterized in that, The mounting seat (20) and the first rotating plate (17) are respectively rotatably connected to both sides of the disc two (18). Both ends of the pushing plate (25) are convex.

7. A knitting rib scanning and detecting device according to claim 4, characterized in that The fabric threading mechanism includes a second slide rail (29), a second slider (30), a connecting block (31), a clamping plate (33), and a frame (36). The second slide rail (29) is connected to the mounting bracket (3). The second slider (30) is slidably connected within the second slide rail (29). The connecting block (31) is connected to the second slider (30), and guide slide rods three (32) are symmetrically connected to both sides of the connecting block (31). The clamping plate (33) is slidably sleeved on the outer sides of the guide slide rods three (32). On the mutually remote sides of the two clamping plates (33), inclined blocks (34) are connected. The frame (36) is connected to the first top plate (27), and a second top plate (37) is connected to the frame (36). The second top plate (37) is in mating contact and sliding connection with the inclined block (34).

8. A knitting rib scanning and detecting device according to claim 7, characterized in that, A third spring (35) is sleeved on the outer side of the guide slide rod three (32), and the two ends of the third spring (35) are respectively connected to the second slider (30) and the guide slide rod three (32).

9. The knitting rib scanning and detecting device according to claim 7, characterized in that, The second slide rail (29) is located between the lower conveyor roller (7) and the upper conveyor roller (8).

10. A method for detecting knitted rib patterns, the method being based on the device according to any one of claims 1-9, characterized in that, The specific steps include: Step 1: Move the fabric threading mechanism to one end of the support table (1), clamp one end of the knitted ribbed fabric on the fabric threading mechanism. Drive the upper conveyor roller (8) to move upward through the distance adjustment mechanism to increase the distance between the lower conveyor roller (7) and the upper conveyor roller (8). Then move the fabric threading mechanism from between the lower conveyor roller (7) and the upper conveyor roller (8) to the other end of the support table (1), and the threading of the knitted ribbed fabric can be completed. Step 2: Control the distance adjustment mechanism to remove the end of the knitted ribbed fabric that has been threaded from the fabric threading mechanism and connect it to the driving device for pulling and conveying. Further control the distance adjustment mechanism to drive the upper conveyor roller (8) to move downward and gradually contact the lower conveyor roller (7) to clamp the knitted ribbed fabric therebetween. Then drive the lower conveyor roller (7) and the upper conveyor roller (8) to rotate synchronously through the driving mechanism to convey the knitted ribbed fabric clamped therebetween. Step 3: During the conveyance of the knitted ribbed fabric, the knitted ribbed fabric is scanned and detected by the reciprocating sliding of the scanning and detection device (6) within the first slide rail (5).

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