A kind of anti-tearing detection device for ramie fabric

Abstract

The application relates to the technical field of anti-pulling test devices, and discloses an anti-tearing detection device for ramie fabric, which comprises a bottom plate and a tension sensor, a rotating plate is rotatably arranged on the top of the bottom plate, and side plates are symmetrically and fixedly connected to the top of the rotating plate; the tension sensor is fixedly arranged on one side plate; stretching assemblies are arranged on the sides of the two side plates close to each other; the top of the rotating plate is symmetrically provided with pressing assemblies; the stretching assembly comprises a driving unit and a dispersion unit; the driving unit comprises symmetrically-arranged electric push rods; the output ends of the electric push rods are fixedly connected with moving plates; and slide rods are slidably arranged around the interiors of the moving plates. The anti-tearing detection device solves the problems that the two sides of the fabric are positioned and pulled, the fabric may be unevenly stressed, the stability during the pulling detection is not high, and the force value measurement result is inaccurate.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of anti-pulling test devices, in particular to an anti-tearing detection device for ramie fabric. BACKGROUND

[0002] The anti-tearing property belongs to the mechanical property detection category of ramie fabric, specifically including tearing strength, breaking stress and other test items, and can be detected by using the trapezoidal method. The maximum tearing strength value is recorded by applying a tensile force to the ramie fabric until the ramie fabric tears.

[0003] For example, a cloth tensile force detection device with the publication number CN217277398U includes a workbench, a fixed frame is installed on the upper end face of the workbench, a threaded rod is movably installed in the fixed frame, two movable plates are fixed on the side of the movable plates facing each other, a support rod is fixed at the top of the workbench, a rack is installed at the top of the support rod, a rotary motor is installed at the top of the rack, a threaded column is connected to the output end of the rotary motor, a lifting plate is screwedly installed on the threaded column, the lifting plate is slidably connected to the support rod on the left side of the lifting plate, a tensile force detector is fixedly installed at the lower end of the lifting plate, a fixed plate is installed at the bottom end of the tensile force detector, a support plate is installed at the bottom end of the fixed plate, an electric telescopic rod is installed at the side end of the support plate, a second clamping plate is installed at the other end of the electric telescopic rod, a control panel is installed at the side end of the support rod, and the cloth is convenient to detect, and the detection is simple and convenient. However, the existing fabric anti-pulling detection method usually positions and pulls the two sides of the fabric at a single point, so that the fabric is unevenly stressed, the stability during the pulling detection is not high, the test sample may bear higher stress in a local area, the test strength is lower than the actual material performance, the force value measurement result is inaccurate, and the pulling detection device at the fixed position is not convenient to adapt to size detection for irregularly-shaped fabric, and the angle of the pulling detection device needs to be flexibly adjusted for use.

[0004] Therefore, an anti-tearing detection device for ramie fabric is proposed to solve the above problems. SUMMARY

[0005] The application aims to provide an anti-tearing detection device for ramie fabric to solve the problem that the two sides of the fabric are positioned and pulled, which may cause uneven stress on the fabric, low stability during the pulling detection, and inaccurate force value measurement result.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: an anti-tearing detection device for ramie fabric, comprising a bottom plate and a tensile force sensor, a rotating plate is rotatably installed at the top of the bottom plate, and side plates are symmetrically and fixedly connected to the top of the rotating plate.

[0007] Also comprising:

[0008] The tension sensor is fixedly installed on one side of the side plate, and both sides of the two side plates are provided with a stretching assembly. The top of the rotating plate is symmetrically provided with a pressing assembly.

[0009] The stretching assembly comprises a driving unit and a dispersion unit. The driving unit comprises symmetrically installed electric push rods. The output end of the electric push rod is fixedly connected with a moving plate. The inside of the moving plate is slidably installed with a slide rod. The side of the slide rod away from the moving plate is fixedly connected with the same pull plate. The outside of the slide rod is sleeved with a spring I;

[0010] The dispersion unit comprises a vertical rod fixedly connected between the two slide rods on the same side. The middle part of the vertical rod is fixedly connected with an inclined push rod. The middle part of the side of the pull plate close to the moving plate is slidably installed with a limiting column. The outside of the limiting column is symmetrically fixedly connected with an installation plate. The inside of the installation plate is rotatably installed with a bent rod.

[0011] The bent rod and the limiting column are fixedly installed with a spring II. The side of the bent rod close to the pull plate is rotatably installed with a sleeve block. The side of the sleeve block close to the pull plate is fixedly connected with a slide column. The slide column is slidably installed with the pull plate.

[0012] Preferably, the left electric push rod is fixedly installed with the other side of the side plate. The right electric push rod is fixedly installed on the tension sensor. The spring I is located on the side of the moving plate close to the electric push rod. One end of the spring I is fixedly connected with the moving plate. The other end of the spring I is fixedly connected with the end of the slide rod. The top of the rotating plate is symmetrically provided with a sliding groove.

[0013] By adopting the above technical scheme, the electric push rods on both sides are started. The electric push rod is retracted to drive the moving plate to move. The tension sensor is used for detecting the tension value. The pull plate is not moved first. The bent rod is opened to more evenly distribute the stretching force of the electric push rod to the pull plate, avoiding uneven tension.

[0014] Preferably, the inside of the sliding groove is fixedly connected with a guide rod. The bottom of the pull plate is fixedly connected with a bottom block. The bottom block is slidably connected with the guide rod. The middle part of the side of the pull plate close to the moving plate is provided with a center groove.

[0015] By adopting the above technical scheme, the pull plate moves to drive the bottom block to move. The bottom block slides on the guide rod, facilitating the stable sliding of the pull plate.

[0016] Preferably, the limiting column is slidably connected with the center groove. The spring II is located on the side of the installation plate close to the pull plate. The bent rod is not less than two. The side of the pull plate close to the moving plate is provided with a side groove.

[0017] By adopting the technical scheme, the mobile plate moves to drive the limiting column to move, the limiting column slides in the central groove, and the limiting column drives the mounting plate and the bent rod to move.

[0018] Preferably, the sliding column is in sliding connection with the side groove, and a spring three is fixedly connected to one end of the sliding column away from the sleeve block.

[0019] By adopting the technical scheme, the bent rod moves to drive the sleeve block and the sliding column to move, the sliding column slides horizontally in the side groove and stretches the spring three.

[0020] Preferably, an inner groove is formed in the sliding column, and a limiting rod is fixedly connected longitudinally in the side groove, and the limiting rod is in sliding connection with the inner groove.

[0021] By adopting the technical scheme, the inner groove is used for giving way to the limiting rod.

[0022] Preferably, the pressing assembly comprises an extension plate and a rotating shaft fixedly connected to the middle of the top of the bottom plate, the rotating plate is in rotary connection with the rotating shaft, the pulling plate is symmetrically provided with an adjusting groove on one side away from the mobile plate, a double-head screw rod is rotatably connected in the adjusting groove, a top block is fixedly connected to the top end of the double-head screw rod through the pulling plate, and adjusting plates are symmetrically sleeved on the outer side of the double-head screw rod.

[0023] By adopting the technical scheme, the operator rotates the top block, the top block drives the double-head screw rod to rotate, the adjusting plates slide in the adjusting groove, the rotation of the double-head screw rod causes the two adjusting plates to approach each other, the adjusting plates drive the clamping plates to move, and the two clamping plates clamp the side end of the fabric.

[0024] Preferably, the adjusting plates are in threaded connection with the double-head screw rod, the clamping plates are fixedly connected to one side of the adjusting plates, the clamping plates are located on the outer side of the pulling plate, the clamping plates are both provided with insertion grooves, the extension plate is fixedly connected with an insertion block on one side, and the insertion block is in sliding connection with the insertion groove.

[0025] By adopting the technical scheme, the operator inserts the insertion block into the insertion groove, and then inserts the insertion pin into the insertion block, so as to fix the extension plate, thereby improving the clamping length.

[0026] Preferably, the top of the clamping plate is symmetrically fixedly connected with an insertion pin, a positioning hole is vertically formed in the insertion block, the insertion pin is inserted and fixed through the clamping plate and the positioning hole, positioning rods are symmetrically in sliding connection with the inner side of the rotating plate, the top end of the positioning rod is fixedly connected with a top disc, a spring four is sleeved on the outer side of the positioning rod, and the two ends of the spring four are fixedly connected with the top disc and the rotating plate, respectively.

[0027] By adopting the technical scheme, the operator stretches the top disc, the fourth stretching spring of the top disc is stretched, the positioning rod is pulled out of the insertion hole, the rotating plate is rotated by 90 degrees, the top disc is loosened, the elastic force of the fourth stretching spring drives the top disc and the positioning rod to be inserted into the corresponding insertion hole, and the angle of the adjusting device is convenient to use.

[0028] Compared with the prior art, the present application has the following advantages:

[0029] 1. By setting the stretching assembly, the operator fixes the two sides of the measured fabric through the pressing assembly, starts the electric push rod on both sides, drives the moving plate to move through the contraction of the electric push rod, and uses the tension sensor to detect the tension value. The pulling plate does not move first, the moving plate slides on the slide rod and compresses the first spring, the moving plate drives the limiting column to move, the limiting column slides in the center groove, the limiting column drives the mounting plate and the bent rod to move, the bent rod drives the sleeve block and the slide column to move, the slide column slides horizontally in the side groove and stretches the third spring, the inner groove is used for accommodating the limiting rod, the vertical rod and the inclined push rod are not moved, when the bent rod is extruded by the inclined push rod, the bent rod will rotate, the bent rod drives the sleeve block to move, the sleeve block drives the slide column to move longitudinally, so that the bent rod is opened, until the end of the limiting column is clamped on one side of the center groove close to the moving plate, at this time the first spring is compressed to the limit, and when the moving plate continues to move, it will drive the pulling plate to move through the slide rod, the limiting column and the bent rod, and the pulling plate will be stretched to detect the fabric again, so that the stretching force of the electric push rod is more evenly distributed on the pulling plate, avoiding uneven tension, improving the detection accuracy, until the fabric is torn, the tension sensor obtains the tension value, and the tension value of the tension sensor is subtracted from the pressure required for the compression of the first spring to the limit, so that the final tension detection value is obtained, solving the problem that the two sides of the fabric are positioned and pulled, which may cause uneven tension of the fabric, low stability during the pulling detection, and inaccurate force measurement result.

[0030] 2. By setting the pressing assembly, the operator places the side end of the fabric between the upper and lower adjusting plates, rotates the top block, drives the double-headed screw to rotate, and drives the adjusting plate to slide in the adjusting groove. The rotation of the double-headed screw makes the two adjusting plates close to each other, the adjusting plate drives the clamping plate to move, and the two clamping plates clamp the side end of the fabric. The clamping position of the clamping plate is provided with a friction surface, which is convenient for stably clamping the two side ends of the fabric, so as to carry out subsequent pulling detection. When the length of the fabric is long, the plug is inserted into the insertion slot, and the plug pin is inserted into the plug, so as to fix the extension plate, thereby improving the clamping length, and the operator stretches the top disc, the fourth stretching spring of the top disc is stretched, the positioning rod is pulled out of the insertion hole, the rotating plate is rotated by 90 degrees, the top disc is loosened, the elastic force of the fourth stretching spring drives the top disc and the positioning rod to be inserted into the corresponding insertion hole, the angle of the adjusting device is convenient to use, and the use flexibility is improved. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 Fig. 1 is a schematic diagram of the first overall structure of the present application;

[0032] Figure 2 Fig. 2 is a schematic diagram of the second overall structure of the present application;

[0033] Figure 3 Fig. 3 is a schematic diagram of the side plate structure of the present application;

[0034] Figure 4 Fig. 4 is a schematic diagram of the structure of the present application Figure 3 at A;

[0035] Figure 5 Fig. 5 is a schematic diagram of the structure of the present application Figure 3 at B;

[0036] Figure 6 Fig. 6 is a schematic diagram of the structure of the present application at C;

[0037] Figure 7 Figure 6 Fig. 7 is a schematic diagram of the structure of the present application at D;

[0038] Figure 8 Fig. 8 is a schematic diagram of the structure of the present application

[0039] Figure 9 Fig. 9 is a schematic diagram of the structure of the present application Figure 8 at E;

[0040] Figure 10 Fig. 10 is a schematic diagram of the structure of the present application

[0041] Figure 11 Fig. 11 is a schematic diagram of the structure of the present application

[0042] Figure 12 Fig. 12 is a schematic diagram of the structure of the present application Figure 11 at F;

[0043] Figure 13 Fig. 13 is a schematic diagram of the structure of the present application

[0044] Figure 14 Fig. 14 is a schematic diagram of the structure of the present application

[0045] In the figure: 1, bottom plate; 2, rotating plate; 3, side plate; 4, tension sensor; 5, stretching assembly; 51, electric push rod; 52, moving plate; 53, sliding rod; 54, pulling plate; 55, spring one; 56, sliding groove; 57, guide rod; 58, bottom block; 59, vertical rod; 510, inclined push rod; 511, center groove; 512, limiting column; 513, mounting plate; 514, bent rod; 515, spring two; 516, sleeve block; 517, side groove; 518, sliding column; 519, spring three; 520, inner groove; 521, limiting rod; 6, pressing assembly; 61, rotating shaft; 62, adjusting groove; 63, double-head screw; 64, top block; 65, adjusting plate; 66, clamping plate; 67, insertion groove; 68, extension plate; 69, insertion block; 610, bolt; 611, positioning rod; 612, top disc; 613, spring four; 614, insertion hole. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0047] Please refer to Figures 1-3 The present application provides a technical solution: a kind of anti-tearing detection device for ramie fabric, including bottom plate 1 and tension sensor 4, the top of bottom plate 1 is rotatably installed with rotating plate 2, and the top of rotating plate 2 is fixedly connected with side plate 3 in symmetry.

[0048] Tension sensor 4 is fixedly installed on one side of side plate 3, and the side of the two side plates 3 close to each other is provided with stretching assembly 5.

[0049] Stretching assembly 5 includes driving unit and dispersion unit, driving unit includes symmetrically installed electric push rod 51, the output end of electric push rod 51 is fixedly connected with moving plate 52, the inside of moving plate 52 is slidably installed with sliding rod 53, and the same pulling plate 54 is fixedly connected with the side of sliding rod 53 away from moving plate 52, and spring one 55 is sleeved on the outer side of sliding rod 53.

[0050] Left electric push rod 51 is fixedly installed with the other side of side plate 3, and right electric push rod 51 is fixedly installed on tension sensor 4, spring one 55 is located on the side of moving plate 52 close to electric push rod 51, one end of spring one 55 is fixedly connected with moving plate 52, the other end of spring one 55 is fixedly connected with the end of sliding rod 53, and the top of rotating plate 2 is symmetrically provided with sliding groove 56.

[0051] A guide rod 57 is fixedly connected inside the slide 56, and a bottom block 58 is fixedly connected to the bottom of the pull plate 54. The bottom block 58 is slidably connected to the guide rod 57, and a central groove 511 is provided in the middle of the side of the pull plate 54 near the moving plate 52.

[0052] The distributed unit includes a vertical rod 59 fixedly connected between two upper and lower sliding rods 53 on the same side. A diagonal push rod 510 is fixedly connected to the middle of the vertical rod 59. A limit post 512 is slidably installed on the middle of the side of the pull plate 54 near the moving plate 52. A mounting plate 513 is symmetrically fixedly connected to the outside of the limit post 512. A bending rod 514 is rotatably installed inside the mounting plate 513.

[0053] A spring 515 is fixedly installed between the bending rod 514 and the limiting post 512. A sleeve block 516 is rotatably installed on the side of the bending rod 514 near the pulling plate 54. A sliding column 518 is fixedly connected to the side of the sleeve block 516 near the pulling plate 54. The sliding column 518 is slidably installed with the pulling plate 54.

[0054] The limiting post 512 is slidably connected to the center groove 511, the second spring 515 is located on the side of the mounting plate 513 near the pull plate 54, there are no less than two bending rods 514, and the pull plate 54 is provided with a side groove 517 on the side near the moving plate 52.

[0055] The sliding column 518 is slidably connected to the side groove 517. A spring 519 is fixedly connected to the end of the sliding column 518 away from the sleeve block 516. The spring 519 is fixedly connected to the inner wall of the side groove 517.

[0056] The sliding column 518 has an inner groove 520 inside, and a limit rod 521 is fixedly connected to the inner groove 517 in the longitudinal direction. The limit rod 521 is slidably connected to the inner groove 520.

[0057] Example 1: As Figures 4-10 As shown, the operator fixes both sides of the fabric to be tested using the clamping assembly 6, and activates the electric push rods 51 on both sides. The electric push rods 51 retract, causing the moving plate 52 to move. The tension sensor 4 is used to detect the tension value. The pulling plate 54 remains stationary. The moving plate 52 moves and slides on the slide rod 53, compressing the spring 55. The moving plate 52 causes the limiting post 512 to move. The limiting post 512 slides inside the central groove 511. The limiting post 512 causes the mounting plate 513 and the bending rod 514 to move.

[0058] The bending rod 514 drives the sleeve block 516 and the slide column 518 to move, the slide column 518 slides transversely in the inside of the side groove 517 and stretches the spring three 519, the inner groove 520 is used for allowing the limiting rod 521 to be positioned, the vertical rod 59 and the inclined push rod 510 are not moved, when the bending rod 514 is extruded by the inclined push rod 510, the bending rod 514 rotates, the bending rod 514 drives the sleeve block 516 to move, the sleeve block 516 drives the slide column 518 to move longitudinally, so that the bending rod 514 is stretched.

[0059] Until the end of the limiting column 512 is clamped in the center groove 511 near one side of the moving plate 52, at this time the spring one 55 is compressed to the limit, when the moving plate 52 continues to move, the moving plate 52 drives the pulling plate 54 to move through the slide rod 53, the limiting column 512 and the bending rod 514, the pulling plate 54 detects the stretching of the fabric again, so that the stretching force of the electric push rod 51 is more evenly distributed on the pulling plate 54, avoiding the uneven force of pulling, improving the detection accuracy, until the fabric is pulled to break, the tensile force sensor 4 obtains the tensile force value, the tensile force value of the tensile force sensor 4 minus the pressure required when the spring one 55 is compressed to the limit, that is, the final tensile force detection value can be obtained, solving the problem that the two sides of the fabric are positioned and pulled, which may cause uneven force of the fabric, the stability is not high during the pulling detection, resulting in inaccurate force measurement results.

[0060] The top of the rotating plate 2 is symmetrically provided with a pressing assembly 6, the pressing assembly 6 comprises an extension plate 68 and a rotating shaft 61 fixedly connected to the top of the bottom plate 1, the rotating plate 2 is rotationally connected with the rotating shaft 61, the side of the pulling plate 54 away from the moving plate 52 is symmetrically provided with an adjusting groove 62, the inside of the adjusting groove 62 is rotationally connected with a double-head screw rod 63, the top end of the double-head screw rod 63 is fixedly connected with a top block 64 penetrating through the pulling plate 54, and the outside of the double-head screw rod 63 is symmetrically sleeved with an adjusting plate 65.

[0061] The adjusting plate 65 is threadedly connected with the double-head screw rod 63, one side of the adjusting plate 65 is fixedly connected with a clamping plate 66, the clamping plate 66 is located on the outside of the pulling plate 54, both ends of the clamping plate 66 are provided with an insertion slot 67, and one side of the extension plate 68 is fixedly connected with an insertion block 69.

[0062] The top of the clamping plate 66 is symmetrically fixedly connected with a plug 610, a positioning hole is vertically formed in the inside of the insertion block 69, the plug 610 is inserted and fixedly connected with the positioning hole penetrating through the clamping plate 66, the inside of the rotating plate 2 is symmetrically slidably connected with a positioning rod 611, the top end of the positioning rod 611 is fixedly connected with a top disc 612, the outside of the positioning rod 611 is sleeved with a spring four 613, both ends of the spring four 613 are fixedly connected with the top disc 612 and the rotating plate 2 respectively, and the top of the bottom plate 1 is symmetrically provided with an insertion hole 614, the positioning rod 611 is clampedly connected with the insertion hole 614.

[0063] Embodiment two: asFigures 11-14 As shown, the operator places the side end of the fabric between the upper and lower adjusting plates 65, and then rotates the top block 64, which drives the double-headed screw rod 63 to rotate, and the adjusting plates 65 slide in the adjusting grooves 62. The rotation of the double-headed screw rod 63 causes the two adjusting plates 65 to move closer to each other, and the adjusting plates 65 drive the clamping plates 66 to move, and the two clamping plates 66 clamp the side end of the fabric. The clamping position of the clamping plates 66 is provided with a friction surface, which facilitates stable clamping of the two side ends of the fabric, so as to perform subsequent pulling detection.

[0064] When the length of the fabric is relatively long, the plug 69 is inserted into the plug groove 67, and then the plug pin 610 is inserted into the plug 69, which facilitates the fixation of the extension plate 68, thereby improving the clamping length. The operator pulls the top disc 612, which stretches the fourth spring 613, so that the positioning rod 611 is pulled out of the plug hole 614. The rotating plate 2 is rotated by 90 degrees, and the top disc 612 is loosened. The elastic force of the fourth spring 613 drives the top disc 612 and the positioning rod 611 to be inserted into the corresponding plug hole 614, which facilitates the adjustment of the angle of the device and improves the flexibility of use.

[0065] Working principle: when using the device, first, Figures 1-14 As shown, the operator places the side end of the fabric between the upper and lower adjusting plates 65, and then rotates the top block 64, which drives the double-headed screw rod 63 to rotate, and the adjusting plates 65 slide in the adjusting grooves 62. The rotation of the double-headed screw rod 63 causes the two adjusting plates 65 to move closer to each other, and the adjusting plates 65 drive the clamping plates 66 to move, and the two clamping plates 66 clamp the side end of the fabric. The clamping position of the clamping plates 66 is provided with a friction surface, which facilitates stable clamping of the two side ends of the fabric, so as to perform subsequent pulling detection.

[0066] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0067] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can make modifications to the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some of the technical features, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A kind of anti-tearing detection device for ramie fabric, including bottom plate (1) and tension sensor (4), the top of the bottom plate (1) is rotatably installed with rotating plate (2), the top of the rotating plate (2) is symmetrically fixedly connected with side plate (3); characterized in that Also include: The tension sensor (4) is fixedly installed on one side of the side plate (3), and the side of the two side plates (3) close to each other is provided with a stretching assembly (5), and the top of the rotating plate (2) is symmetrically provided with a pressing assembly (6). The stretching assembly (5) includes a drive unit and a dispersion unit, the drive unit includes symmetrically installed electric push rod (51), the output end of the electric push rod (51) is fixedly connected with moving plate (52), the inside of the moving plate (52) is slidably installed with slide rod (53), the same pull plate (54) is fixedly connected on the side of the slide rod (53) away from the moving plate (52), and the outer side of the slide rod (53) is sleeved with spring one (55). The dispersion unit includes vertical rod (59) fixedly connected between the same side of the two slide rods (53), the middle part of the vertical rod (59) is fixedly connected with inclined push rod (510), the middle part of the side of the pull plate (54) close to the moving plate (52) is slidably installed with limiting column (512), the outer side of the limiting column (512) is symmetrically fixedly connected with mounting plate (513), and the inside of the mounting plate (513) is rotatably installed with bending rod (514). Spring two (515) is fixedly installed between the bending rod (514) and the limiting column (512), the side of the bending rod (514) close to the pull plate (54) is rotatably installed with sleeve block (516), the side of the sleeve block (516) close to the pull plate (54) is fixedly connected with slide column (518), and the slide column (518) is slidably installed with the pull plate (54).

2. The anti-tear detection device for ramie fabric according to claim 1, characterized in that: The left electric push rod (51) is fixedly installed with the other side of the side plate (3), the right electric push rod (51) is fixedly installed on the tension sensor (4), the side of the spring one (55) close to the electric push rod (51) of the moving plate (52) is fixedly connected with the end of the spring one (55), and the other end of the spring one (55) is fixedly connected with the end of the slide rod (53).

3. The anti-tear detection device for ramie fabric according to claim 2, characterized in that: The top of the rotating plate (2) is symmetrically provided with slide groove (56).

4. The anti-tear detection device for ramie fabric according to claim 3, characterized in that: The inside of the slide groove (56) is fixedly connected with guide rod (57), the bottom of the pull plate (54) is fixedly connected with bottom block (58), the bottom block (58) is slidably connected with the guide rod (57), and the middle part of the side of the pull plate (54) close to the moving plate (52) is provided with central groove (511). The limiting column (512) is slidably connected with the central groove (511), the spring two (515) is located on the side of the mounting plate (513) close to the pull plate (54), the bending rod (514) is not less than two, and the side of the pull plate (54) close to the moving plate (52) is provided with side groove (517).

5. The anti-tear detection device for ramie fabric according to claim 4, characterized in that: The slide column (518) is slidably connected with the side groove (517), and one end of the slide column (518) away from the sleeve block (516) is fixedly connected with a spring three (519), and the spring three (519) is fixedly connected with the inner wall of the side groove (517).

6. The anti-tear detection device for ramie fabric according to claim 5, characterized in that: The inside of the slide column (518) is provided with an inner groove (520), and the inside of the side groove (517) is fixedly connected with a limiting rod (521) in the longitudinal direction, and the limiting rod (521) is slidably connected with the inner groove (520).

7. The anti-tear detection device for ramie fabric according to claim 1, wherein: The pressing assembly (6) comprises an extension plate (68) and a rotating shaft (61) fixedly connected to the middle of the top of the bottom plate (1), the rotating plate (2) is rotatably connected with the rotating shaft (61), the adjusting groove (62) is symmetrically formed in one side of the pulling plate (54) away from the moving plate (52), the double-head screw rod (63) is rotatably connected in the adjusting groove (62), the top end of the double-head screw rod (63) is fixedly connected with a top block (64) penetrating through the pulling plate (54), and the double-head screw rod (63) is symmetrically sleeved with an adjusting plate (65) on the outside.

8. The anti-tear detection device for ramie fabric according to claim 7, characterized in that: The adjusting plate (65) is threadedly connected with the double-head screw rod (63), one side of the adjusting plate (65) is fixedly connected with a clamping plate (66), the clamping plate (66) is located on the outside of the pulling plate (54), both ends of the clamping plate (66) are provided with an insertion slot (67), one side of the extension plate (68) is fixedly connected with an insertion block (69), and the insertion block (69) is slidably connected with the insertion slot (67).

9. The anti-tear detection device for ramie fabric according to claim 8, wherein: The top of the clamping plate (66) is fixedly connected with a bolt (610) symmetrically, a positioning hole is vertically formed in the inside of the insertion block (69), the bolt (610) is insertedly fixed with the positioning hole penetrating through the clamping plate (66), the rotating plate (2) is symmetrically slidably connected with a positioning rod (611) in the inside, the top end of the positioning rod (611) is fixedly connected with a top disc (612), the outside of the positioning rod (611) is sleeved with a spring four (613), both ends of the spring four (613) are fixedly connected with the top disc (612) and the rotating plate (2) respectively, and the top of the bottom plate (1) is symmetrically provided with an insertion hole (614), and the positioning rod (611) is clampedly connected with the insertion hole (614).

Images