Yarn torsion detection device with intelligent sensor for chinlon production

Abstract

The invention discloses a yarn torsion detection device with an intelligent sensor for chinlon production, which relates to the technical field of yarn production, is used for quickly fixing chinlon, and comprises a fixing device, a machine shell, a torsion display screen, a tension sensor, a tension sensor and a controller, the top of the torsion display screen is used for displaying the size of torsion, and the bottom of the torsion display screen is provided with a sensor used for sensing the torsion. The door plate is installed on the front face of the machine shell in a sliding mode, the door plate is used for shielding an internal torsion testing object to prevent the object from popping out, when the rolling wheel rotates, chinlon above the rolling wheel can be wound, and when the chinlon is wound, it can be ensured that the chinlon is always in close contact with the rolling wheel; and irregular movement in the mouth-shaped block or at other positions is avoided, so that the torsion can be accurately transmitted to the sensor from the chinlon.

Description

Technical Field

[0001] The present invention relates to the technical field of yarn production, in particular to a yarn torque detection device for nylon production with an intelligent sensor. Background Art

[0002] The utility model relates to a yarn torque detection device for nylon production, which is a device used for nylon detection and a device used for performing torque detection on nylon.

[0003] The patent with patent announcement number CN211856186U involves a frame, which is characterized in that a lifting device is provided at the upper end of the frame, a detection module is provided at the lower end of the lifting device, a first clamping device is provided at the lower end of the detection module, a motor is provided at the lower end of the frame, and a second clamping device is provided at the upper end of the motor. The patent has a simple structure.

[0004] In the above patent, the machine structure is simple, but there are still problems. Since nylon is relatively thin and may slide when fixed, it is impossible to reduce the loss and error of torque during transmission, and the detected torque value cannot truly reflect the actual performance of nylon. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the present invention provides a yarn torque detection device for nylon production with an intelligent sensor, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a yarn torque detection device for nylon production with an intelligent sensor, which is used to quickly fix nylon, including a fixing device:

[0007] A housing, the housing being used to support a torque testing machine, a torque display screen being provided on the top of the housing, the top of the torque display screen being used to display torque data, a detection device being provided on the bottom of the torque display screen, the detection device being used to detect the magnitude of the torque, and an intelligent sensor device being provided inside the detection device;

[0008] A door panel is slidably mounted on the front of the housing and is used to shield the internal torque test object from popping out;

[0009] A motor is provided at the bottom of the housing and is used to provide power for torque testing. A main shaft is fixedly mounted on the output end of the motor;

[0010] A mouth-shaped block, which is fixedly mounted on the top of the main shaft. A large gear is rotatably mounted inside the mouth-shaped block. A roller is fixedly mounted on the side of the large gear close to the main shaft. The roller is used to wind the nylon to prevent it from slipping during the torque test.

[0011] A bottom column, the bottom column is fixedly mounted on the bottom of the inner wall of the casing, and a counting wheel is rotatably mounted on the top of the bottom column, and the counting wheel is used to count the number of torque detection turns of the nylon;

[0012] The limit rod is slidably installed on the bottom of the inner wall of the casing. The limit rod is used to limit the door panel to prevent the internal nylon from exploding and causing damage when the staff manually closes it. When the main shaft rotates, it will drive the mouth-shaped block on its top to rotate. When the mouth-shaped block rotates, it will pull the nylon to rotate and transmit the torque it is subjected to through the sensor at the bottom of the torque display screen to the display screen at the top of the torque display screen.

[0013] According to the above technical solution, the fixing device also includes an elastic telescopic clamp, a U-shaped rod, a convex ring and a rack. The elastic telescopic clamp is arranged inside the mouth-shaped block, the U-shaped rod is fixedly installed on the free end of the elastic telescopic clamp, the convex ring is slidably installed on the circumferential surface of the main shaft, and the rack is fixedly installed on the top of the convex ring. When the convex ring moves downward, it will drive the U-shaped rod to move away from the nylon, and when the U-shaped rod moves, it will drive the elastic telescopic clamp to move away from the nylon.

[0014] According to the above technical solution, the fixing device further includes a pinion, which is rotatably mounted inside the mouth-shaped block, the rack meshes with the pinion, the U-shaped rod contacts the convex ring, and the pinion meshes with the large gear;

[0015] Among them, the outer wall of the main shaft is provided with a counting device for recording the number of nylon rotations and a protective device for automatic closing during operation. When the large gear rotates, it will drive the roller to rotate. When the roller rotates, it will wrap up the nylon above it to prevent the nylon from slipping out.

[0016] According to the above technical solution, the counting device includes a cylinder, an elastic telescopic ring, an annular bevel and a round edge block. The cylinder is fixedly mounted on the bottom of the inner wall of the casing, a circular groove is provided on the top of the cylinder, the fixed end of the elastic telescopic ring is fixedly mounted on the bottom of the inner wall of the circular groove, an annular groove is provided on the circumferential surface of the free end of the elastic telescopic ring, the annular bevel is fixedly mounted on the top of the free end of the elastic telescopic ring, a No. 1 slide groove is provided on the circumferential surface of the bottom column, and the round edge block is slidably mounted on the No. 1 slide groove of the bottom column. When the limit of the elastic telescopic ring is released, the elastic telescopic ring will lift the annular bevel upward due to elastic expansion and contraction. When the annular bevel moves upward, it will contact the toggle rod, and will not be affected when the toggle rod rotates normally.

[0017] According to the above technical solution, the counting device also includes a U-shaped plate, a positioning rod and a toggle rod. One end of the U-shaped plate is fixedly mounted on the bottom of the circular edge block, and the other end of the U-shaped plate is slidably connected to the annular groove of the elastic telescopic ring. A circular hole is opened on the top of the counting wheel, and the positioning rod is slidably mounted in the circular hole. The toggle rod is fixedly mounted on the circumferential surface of the main shaft. The annular oblique block will provide a buffering force to the toggle rod to prevent the main shaft from suddenly losing its resistance and causing damage.

[0018] According to the above technical solution, the toggle rod is in contact with the counting wheel, the U-shaped plate is in contact with the elastic telescopic ring, and the round edge block is in contact with the counting wheel. When the toggle rod is rotated, the counting wheel on the bottom column is driven to rotate. When the counting wheel rotates, the number of torque rotations of the nylon is calculated.

[0019] According to the above technical solution, the protective device includes an elastic bidirectional telescopic rod, a round rod, a limit rod, a base plate, an elastic telescopic column, a limit block, a ring plate and a round rope, the round rod is fixedly mounted on the inside of the casing, the fixed end of the elastic bidirectional telescopic rod is rotatably mounted on the circumferential surface of the round rod, the free end of the elastic bidirectional telescopic rod is rotatably mounted on the top of the limit rod, the base plate is fixedly mounted on the bottom of the casing, the elastic telescopic column is arranged on the top of the base plate, a No. 2 slide groove is opened inside the door panel, the limit block is rotatably mounted on a side of the door panel close to the motor, the ring plate is fixedly mounted on the top of the limit block, and the round rope is slidably mounted in the No. 2 slide groove, when the staff needs to open the door panel, the outer part of the round rope is pulled, and when the round rope is pulled, the ring plate is driven to move, and when the ring plate is pulled, the limit block is driven to reverse, and the two door panels can be pulled apart.

[0020] According to the above technical solution, the limit rod is in contact with the door panel, and the ring plate is fixedly connected to the round rope. When the limit rod slides, the limit on the door panel will be released. When the limit of the door panel is released, the door panel will move closer to the middle under the tension of the elastic telescopic column at the top of the bottom plate.

[0021] The present invention provides a yarn torque detection device for nylon production with an intelligent sensor. It has the following beneficial effects:

[0022] (1) In this invention, when the convex ring moves upward, the elastic telescopic clamp moves toward the direction of the nylon and clamps the nylon to a limited position, quickly positioning the nylon. When the large gear rotates, it drives the roller to rotate, and when the roller rotates, it winds up the nylon above it. When the nylon is wound, it can ensure that the nylon is always in close contact with the roller, avoiding irregular movement inside the mouth-shaped block or other positions, thereby ensuring that the torque can be accurately transmitted from the nylon to the sensor.

[0023] (2) In this invention, when the toggle lever rotates, the counting wheel on the bottom column will be driven to rotate. When the counting wheel rotates, the number of rotations of the nylon torque will be calculated. When the nylon torque is detected to the limit, the nylon will explode. At this time, the annular bevel will provide a buffering force to the toggle lever to avoid damage due to the sudden loss of resistance, thereby extending the service life of the main shaft, reducing the cost and time of repairing and replacing the main shaft, and reducing work delays and economic losses caused by device shutdown.

[0024] (3) This invention pulls the outer part of the round rope. When the round rope is pulled, it drives the ring plate to move. When the ring plate is pulled, it drives the limit block to reverse. At this time, the two door panels can be opened to prevent non-staff from opening the machine door when the machine is running, thereby isolating the objects inside and preventing the broken nylon fragments from flying out and affecting the staff when the nylon breaks. When the nylon breaks, it prevents the fragments from flying towards the staff at high speed or with great force, causing damage to the eyes, skin, body, etc. of the staff, thereby effectively protecting the personal safety of on-site operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 For the present invention Figure 1 A schematic diagram of the structure of part A in the middle;

[0027] Figure 3 This is a schematic diagram of the elastic telescopic clamp and the U-shaped rod structure of the present invention;

[0028] Figure 4 This is a schematic diagram of the rack and gear structure of the present invention;

[0029] Figure 5 This is a schematic diagram of the base column and the toggle lever structure of the present invention;

[0030] Figure 6 This is a schematic diagram of the structure of the annular bevel block and the toggle rod of the present invention;

[0031] Figure 7 It is a schematic diagram of the structure of the limiting rod and the elastic telescopic column of the present invention.

[0032] In the figure: 1. casing; 2. door panel; 3. torque display screen; 4. motor; 5. main shaft; 601. mouth-shaped block; 602. elastic telescopic clamp; 603. U-shaped rod; 604. convex ring; 605. rack; 606. small gear; 607. large gear; 608. roller; 701. cylinder; 703. elastic telescopic ring; 704. annular oblique block; 705. U-shaped plate; 706. round edge block; 707. bottom column; 708. counting wheel; 709. positioning rod; 710. toggle rod; 801. elastic two-way telescopic rod; 802. round rod; 803. limit rod; 804. bottom plate; 805. elastic telescopic column; 806. limit block; 807. ring plate; 808. round rope. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] See also Figure 1-Figure 7 One embodiment of the present invention is a yarn torque detection device for nylon production with an intelligent sensor, which is used for quickly fixing nylon, including a fixing device:

[0035] The casing 1 is used to support the torque testing machine. A torque display screen 3 is provided on the top of the casing 1. The top of the torque display screen 3 is used to display the torque data. A detection device is provided at the bottom of the torque display screen 3. The detection device is used to detect the magnitude of the torque. An intelligent sensor device is provided inside the detection device; the intelligent sensor device includes an optical fiber sensor and an optical fiber sensor; the optical fiber sensor uses an optical fiber to transmit a signal and measures the torque through optical changes. The optical fiber sensor monitors the torque of the yarn by transmitting changes in the light signal. The strain of the optical fiber is proportional to the torque. By measuring the changes in the reflected light or transmitted light of the optical fiber, very accurate torque data can be obtained.

[0036] Door panel 2, which is slidably mounted on the front of the housing 1 and is used to shield the internal torque test items from popping out;

[0037] Motor 4, which is arranged at the bottom of the housing 1 and is used to provide power for torque testing. A main shaft 5 is fixedly mounted on the output end of the motor 4;

[0038] Mouth-shaped block 601, which is fixedly mounted on the top of the main shaft 5. A large gear 607 is rotatably mounted inside the mouth-shaped block 601. A roller 608 is fixedly mounted on the side of the large gear 607 close to the main shaft 5. The roller 608 is used to wind the nylon to prevent it from slipping during the torque test.

[0039] Bottom column 707, bottom column 707 is fixedly mounted on the bottom of the inner wall of housing 1, and a counting wheel 708 is rotatably mounted on the top of bottom column 707, and counting wheel 708 is used to count the number of torque detection turns of nylon;

[0040] Limit rod 803, limit rod 803 is slidably installed on the bottom of the inner wall of the casing 1, and is used to limit the door panel 2 to prevent the internal nylon from bursting and causing damage when the staff manually closes it. When the nylon is wound, it can ensure that the nylon is always in close contact with the roller 608 to avoid irregular movement inside the mouth-shaped block 601 or other positions, thereby ensuring that the torque can be accurately transmitted from the nylon to the sensor.

[0041] The fixing device also includes an elastic telescopic clamp 602, a U-shaped rod 603, a convex ring 604 and a rack 605. The elastic telescopic clamp 602 is arranged inside the mouth-shaped block 601, the U-shaped rod 603 is fixedly installed on the free end of the elastic telescopic clamp 602, the convex ring 604 is slidably installed on the circumferential surface of the main shaft 5, and the rack 605 is fixedly installed on the top of the convex ring 604. When the convex ring 604 moves downward, it will drive the U-shaped rod 603 to move away from the nylon. When the U-shaped rod 603 moves, it will drive the elastic telescopic clamp 602 to move away from the nylon.

[0042] The fixing device also includes a small gear 606, which is rotatably installed inside the mouth-shaped block 601, the rack 605 is engaged with the small gear 606, the U-shaped rod 603 is in contact with the convex ring 604, and the small gear 606 is engaged with the large gear 607. When the large gear 607 rotates, it drives the roller 608 to rotate. When the roller 608 rotates, it wraps up the nylon above it to prevent the nylon from slipping out.

[0043] When this embodiment is working: one end of the nylon is tied to the bottom sensor of the torque display screen 3 inside the casing 1, and the other end of the nylon is passed into the interior through the hole at the top of the mouth-shaped block 601, and the convex ring 604 is pulled downward. When the convex ring 604 moves downward, it drives the U-shaped rod 603 to move in the direction away from the nylon. When the U-shaped rod 603 moves, it drives the elastic telescopic clamp 602 to move in the direction away from the nylon. When the U-shaped rod 603 leaves, the nylon falls to the bottom of the mouth-shaped block 601 and contacts the roller 608. When the nylon contacts the roller 608, it pushes the convex ring 604 upward. When the convex ring 604 moves upward, it causes the elastic telescopic clamp 602 to move in the direction close to the nylon and clamp the nylon to a limit position. At the same time, when the convex ring 604 moves upward, it will drive the rack 605 to move upward. When the rack 605 moves upward, it will drive the small gear 606 to rotate. When the small gear 606 rotates, it will drive the large gear 607 to rotate. When the large gear 607 rotates, it will drive the roller 608 to rotate. When the roller 608 rotates, it will wrap the nylon above it to prevent the nylon from slipping out. The motor 4 is started. When the motor 4 starts, it will drive the main shaft 5 to rotate. When the main shaft 5 rotates, it will drive the mouth-shaped block 601 at the top to rotate. When the mouth-shaped block 601 rotates, it will pull the nylon to rotate and transmit the torque it receives through the sensor at the bottom of the torque display screen 3 to the display screen at the top of the torque display screen 3.

[0044] See also Figure 1-Figure 7 On the basis of the above embodiment, in another embodiment of the present invention, the outer wall of the main shaft 5 is provided with a counting device for recording the number of nylon rotations and a protective device for automatic closure during operation. The counting device includes a cylinder 701, an elastic telescopic ring 703, an annular oblique block 704 and a round edge block 706. The cylinder 701 is fixedly mounted on the bottom of the inner wall of the casing 1, and a circular groove is provided on the top of the cylinder 701. The fixed end of the elastic telescopic ring 703 is fixedly mounted on the bottom of the inner wall of the circular groove. The circumferential surface of the free end of the elastic telescopic ring 703 is provided with an annular groove. The annular oblique block 704 is fixedly mounted on the top of the free end of the elastic telescopic ring 703. A No. 1 slide groove is provided on the circumferential surface of the bottom column 707. The round edge block 706 is slidably mounted on the No. 1 slide groove of the bottom column 707 to avoid damage due to sudden loss of resistance, thereby extending the service life of the main shaft 5, reducing the cost and time of repairing and replacing the main shaft 5, and reducing work delays and economic losses caused by device shutdown.

[0045] The counting device also includes a U-shaped plate 705, a positioning rod 709 and a toggle rod 710. One end of the U-shaped plate 705 is fixedly mounted on the bottom of the circular edge block 706, and the other end of the U-shaped plate 705 is slidably connected to the annular groove of the elastic telescopic ring 703. A circular hole is opened on the top of the counting wheel 708, and the positioning rod 709 is slidably mounted in the circular hole. The toggle rod 710 is fixedly mounted on the circumferential surface of the main shaft 5. The annular bevel block 704 will provide a buffering force to the toggle rod 710 to prevent the main shaft 5 from suddenly losing its resistance and causing damage.

[0046] The toggle rod 710 contacts the counting wheel 708, the U-shaped plate 705 contacts the elastic telescopic ring 703, and the round edge block 706 contacts the counting wheel 708. When the toggle rod 710 rotates, it drives the counting wheel 708 on the bottom column 707 to rotate. When the counting wheel 708 rotates, the number of torque rotations of the nylon is calculated.

[0047] The protective device includes an elastic bidirectional telescopic rod 801, a round rod 802, a limiting rod 803, a bottom plate 804, an elastic telescopic column 805, a limiting block 806, a ring plate 807 and a round rope 808. The round rod 802 is fixedly mounted inside the housing 1, the fixed end of the elastic bidirectional telescopic rod 801 is rotatably mounted on the circumferential surface of the round rod 802, the free end of the elastic bidirectional telescopic rod 801 is rotatably mounted on the top of the limiting rod 803, the bottom plate 804 is fixedly mounted on the bottom of the housing 1, and the elastic telescopic column 805 is arranged on the bottom plate 808. 04, a No. 2 slide groove is opened inside the door panel 2, the limit block 806 is rotatably installed on the side of the door panel 2 close to the motor 4, the ring plate 807 is fixedly installed on the top of the limit block 806, and the round rope 808 is slidably installed in the No. 2 slide groove to prevent the broken nylon fragments from flying out and affecting the staff when the nylon breaks, and to prevent the fragments from flying towards the staff at high speed or with great force when the nylon breaks, causing damage to the eyes, skin, body, etc. of the staff, thereby effectively protecting the personal safety of on-site operators.

[0048] The limiting rod 803 is in contact with the door panel 2, and the ring plate 807 is fixedly connected to the round rope 808. When the limiting rod 803 slides, the limitation on the door panel 2 will be released. When the limitation of the door panel 2 is released, the door panel 2 will move closer to the middle under the tension of the elastic telescopic column 805 at the top of the bottom plate 804.

[0049] When this embodiment is working: the positioning rod 709 is inserted into the circular groove above the counting wheel 708. When the main shaft 5 rotates, the toggle rod 710 is driven to rotate. When the toggle rod 710 rotates, the counting wheel 708 on the bottom column 707 is driven to rotate. When the counting wheel 708 rotates, the number of torque rotations of the nylon is calculated. When the counting wheel 708 rotates, the round edge block 706 is pushed outward. When the round edge block 706 moves outward, it drives the U-shaped plate 705 to slide outward. When the U-shaped plate 705 moves outward, it The elastic telescopic ring 703 inside the cylinder 701 is automatically released from the limit. When the limit of the elastic telescopic ring 703 is released, the elastic telescopic ring 703 will lift the annular bevel 704 upward due to elastic expansion. When the annular bevel 704 moves upward, it will contact the toggle rod 710. When the toggle rod 710 rotates normally, it will not be affected. However, when the torque of the nylon is detected to be at a limit, the nylon will explode. At this time, the annular bevel 704 will provide a buffering force to the toggle rod 710 to prevent the main shaft 5 from suddenly losing its resistance and causing damage.

[0050] When the U-shaped plate 705 moves, it drives the elastic bidirectional telescopic rod 801 on the round rod 802 to rotate. When the elastic bidirectional telescopic rod 801 rotates, it drives the limiting rod 803 to slide on the bottom of the inner wall of the casing 1. When the limiting rod 803 slides, the limit on the door panel 2 is released. When the limit of the door panel 2 is released, the door panel 2 will move towards the middle under the tension of the elastic telescopic column 805 on the top of the bottom plate 804, thereby isolating the internal objects and preventing the broken nylon from being damaged when the nylon breaks. Flying debris will affect the staff. When the two door panels 2 are close to each other, the limit block 806 will reverse upward at a certain angle. When the limit block 806 reverses, it will be stuck in the inside of the other door panel 2, which can effectively prevent non-staff from opening the door panel 2 at will. When the staff needs to open the door panel 2, they pull the external part of the round rope 808. When the round rope 808 is pulled, the ring plate 807 will be driven to move. When the ring plate 807 is pulled, the limit block 806 will be driven to reverse. At this time, the two door panels 2 can be pulled apart.

[0051] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A yarn torque detection device for nylon production with an intelligent sensor, characterized by: For quick fixation of nylon, including fixing device: A casing (1) is used to carry a torque test machine, a torque display screen (3) is provided on the top of the casing (1), the top of the torque display screen (3) is used to display torque data, a detection device is provided on the bottom of the torque display screen (3), the detection device is used to detect the magnitude of the torque, and an intelligent sensor device is provided inside the detection device; A door panel (2), the door panel (2) being slidably mounted on the front surface of the housing (1), the door panel (2) being used to shield an internal torque test object from ejecting; A motor (4), the motor (4) being arranged at the bottom of the housing (1) and used to provide power for torque testing, and a main shaft (5) being fixedly mounted on an output end of the motor (4); A mouth-shaped block (601) is fixedly mounted on the top of the main shaft (5); a large gear (607) is rotatably mounted inside the mouth-shaped block (601); a roller (608) is fixedly mounted on a side of the large gear (607) close to the main shaft (5); the roller (608) is used to wind the nylon to prevent the nylon from slipping during a torque test; A bottom column (707) is fixedly mounted on the bottom of the inner wall of the housing (1); a counting wheel (708) is rotatably mounted on the top of the bottom column (707); the counting wheel (708) is used to count the number of torque detection turns of the nylon; A limit rod (803) is slidably mounted on the bottom of the inner wall of the housing (1). The limit rod (803) is used to limit the door panel (2) to prevent the internal nylon from bursting and causing damage when the staff manually closes the door.

2. The yarn torque detection device with an intelligent sensor for nylon production according to claim 1, characterized in that: The fixing device further comprises an elastic telescopic clamp (602), a U-shaped rod (603), a convex ring (604) and a rack (605); the elastic telescopic clamp (602) is arranged inside the mouth-shaped block (601); the U-shaped rod (603) is fixedly mounted on the free end of the elastic telescopic clamp (602); the convex ring (604) is slidably mounted on the circumferential surface of the main shaft (5); and the rack (605) is fixedly mounted on the top of the convex ring (604).

3. The yarn torque detection device with an intelligent sensor for nylon production according to claim 2, characterized in that: The fixing device further comprises a small gear (606), the small gear (606) being rotatably mounted inside the mouth-shaped block (601), the rack (605) being meshed with the small gear (606), the U-shaped rod (603) being in contact with the convex ring (604), and the small gear (606) being meshed with the large gear (607); The outer wall of the main shaft (5) is provided with a counting device for recording the number of nylon rotations and a protection device for automatic sealing during operation.

4. The yarn torque detection device with an intelligent sensor for nylon production according to claim 3, characterized in that: The counting device comprises a cylinder (701), an elastic telescopic ring (703), an annular bevel block (704) and a rounded edge block (706), wherein the cylinder (701) is fixedly mounted on the bottom of the inner wall of the housing (1), a circular groove is provided on the top of the cylinder (701), the fixed end of the elastic telescopic ring (703) is fixedly mounted on the bottom of the inner wall of the circular groove, an annular groove is provided on the circumferential surface of the free end of the elastic telescopic ring (703), the annular bevel block (704) is fixedly mounted on the top of the free end of the elastic telescopic ring (703), a No. 1 slide groove is provided on the circumferential surface of the bottom column (707), and the rounded edge block (706) is slidably mounted on the No. 1 slide groove of the bottom column (707).

5. The yarn torque detection device with an intelligent sensor for nylon production according to claim 4, characterized in that: The counting device further comprises a U-shaped plate (705), a positioning rod (709) and a toggle rod (710), one end of the U-shaped plate (705) is fixedly mounted on the bottom of the circular block (706), the other end of the U-shaped plate (705) is slidably connected to the annular groove of the elastic telescopic ring (703), a circular hole is opened on the top of the counting wheel (708), the positioning rod (709) is slidably mounted in the circular hole, and the toggle rod (710) is fixedly mounted on the circumferential surface of the main shaft (5).

6. The yarn torque detection device with an intelligent sensor for nylon production according to claim 5, characterized in that: The toggle rod (710) contacts the counting wheel (708), the U-shaped plate (705) contacts the elastic telescopic ring (703), and the rounded edge block (706) contacts the counting wheel (708).

7. The yarn torque detection device with an intelligent sensor for nylon production according to claim 6, characterized in that: The protective device comprises an elastic bidirectional telescopic rod (801), a round rod (802), a limiting rod (803), a bottom plate (804), an elastic telescopic column (805), a limiting block (806), a ring plate (807) and a round rope (808); the round rod (802) is fixedly mounted inside the housing (1); the fixed end of the elastic bidirectional telescopic rod (801) is rotatably mounted on the circumferential surface of the round rod (802); and the free end of the elastic bidirectional telescopic rod (801) is rotatably mounted on the circumferential surface of the round rod (802). The said door panel (2) is provided with a second slide groove, and the said limit block (806) is rotatably mounted on the side of the door panel (2) close to the motor (4). The said ring plate (807) is fixedly mounted on the top of the limit block (806), and the said round rope (808) is slidably mounted in the second slide groove.

8. The yarn torque detection device with an intelligent sensor for nylon production according to claim 7, characterized in that: The limiting rod (803) contacts the door panel (2), and the ring plate (807) is fixedly connected to the round rope (808).

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