A press resistance testing apparatus for a thread catcher and a method of using the same

Abstract

The application discloses a kind of yarn clamp compression resistance test equipment and use method, it is related to compression resistance test equipment technical field, including mounting seat, fixed mounting is placed with support on the mounting seat, the placing table is used to place the yarn clamp to be detected;It further includes the following steps: S1: install yarn clamp;The upper end of stud on yarn clamp is rotated to screw groove, so that yarn clamp is relatively fixed in fixed seat.Occupational in that: the equipment is by simulating yarn clamp actual working pressure and complex vibration scene, avoid traditional equipment only measure structure, the defect of separation from actual working condition, let test data be more close to real use demand;At the same time, equipment can be automatically adapted to corresponding yarn according to different test pressure, synchronous monitoring yarn tension state, the structure compression resistance of yarn clamp is associated with actual clamping function depth, eliminate the misjudgment of structure qualified but functional failure, can be through tension change traceability potential problem root, improve yarn clamp production quality.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of compression test equipment, in particular to a yarn gripper compression test equipment and a use method thereof. BACKGROUND

[0002] The yarn gripper compression test equipment is a professional test instrument specially used for detecting the performance, reliability and structural safety of a yarn gripper under external pressure, and the core function is to simulate the pressure scene that the yarn gripper may encounter in the actual use or transportation and installation process, to verify whether the yarn gripper meets the design standard, industry specification or use requirement, and to avoid product failure or safety hazards caused by insufficient compression resistance.

[0003] At present, most small and medium-sized manufacturers rely on general pressure test machines (such as electronic universal testing machines) for testing, but such devices are not designed for yarn grippers, and have core defects, that is, the clamping tool of the general device is mostly a plane or a standard clamp, which cannot accurately fit the special-shaped structure of the yarn gripper, resulting in deviation of the pressure loading point from the stress point in actual use, so that the test data cannot reflect the real compression resistance, and the yarn gripper cannot be simulated when under pressure. In actual use, the yarn is prone to breakage.

[0004] Therefore, the application provides a yarn gripper compression test equipment and a use method to solve the above problems. SUMMARY

[0005] The application aims to solve the problems in the background art and provides a yarn gripper compression test equipment and a use method.

[0006] In order to achieve the above-mentioned purpose, the application adopts the following technical scheme:

[0007] A yarn gripper compression test equipment, comprising a mounting seat, a placing table and a support are fixedly installed on the mounting seat, the placing table is used for placing a yarn gripper to be detected, a mounting plate is fixedly arranged on the side surface of the mounting seat, and a clamping mechanism is installed on the mounting plate through an adjusting device, so that the clamping mechanism clamps and tests the compression resistance of the yarn gripper under the power of the adjusting device, simulates the pressure test under complex vibration mode, and a simulation mechanism is jointly installed between the support and the mounting seat, so that the simulation mechanism selects a linear type according to different test pressures when the test pressure of the adjusting device changes, and simulates the use at the yarn gripper.

[0008] In the yarn gripper compression resistance testing equipment, the placing table is provided with a clamping seat, and a pneumatic combined hollow chuck is electrically connected in the clamping seat.

[0009] In the yarn gripper compression resistance testing equipment, the mounting plate is fixedly provided with a motor one, a screw rod is fixedly arranged on the driving end of the motor one and rotationally arranged on the mounting plate, a sliding rail is fixedly arranged on the mounting plate, a pneumatic cylinder one is slidingly arranged on the sliding rail and mounted on the screw rod through a ball nut, and a fixing seat is fixedly arranged on the driving end of the pneumatic cylinder one.

[0010] In the yarn gripper compression resistance testing equipment, the adjusting device comprises a pneumatic cylinder two fixedly arranged on the mounting plate, and an electric telescopic rod is fixedly arranged on the driving end of the pneumatic cylinder two.

[0011] In the yarn gripper compression resistance testing equipment, the clamping mechanism comprises a pneumatic clamp fixedly arranged on one end of the electric telescopic rod, a clamping groove is arranged in the inner side of the pneumatic clamp, a plurality of mounting cavities and a plurality of air holes are arranged in the pneumatic clamp, each mounting cavity is in communication with a corresponding air hole, a spring one with different elasticity is fixedly arranged in each mounting cavity, a sliding plate is fixedly arranged on the driving end of each spring one, and the sliding plate is slidingly arranged in the corresponding mounting cavity.

[0012] In the yarn gripper compression resistance testing equipment, the mounting seat is fixedly provided with a mounting table on the front side, the mounting table is fixedly provided with a fixing plate on one side, the fixing plate is fixedly provided with a motor three, the driving end of the motor three is fixedly provided with a clamping block, and the motor three and the pneumatic cylinder two are electrically controlled.

[0013] In the yarn gripper compression resistance testing equipment, the simulation mechanism comprises a motor two fixedly arranged on the mounting table, the motor two and the pneumatic cylinder two are electrically connected, the driving end of the motor two is fixedly provided with a driving shaft, the driving shaft is rotationally arranged on a support, a plurality of mounting rods are fixedly arranged on both ends of the driving shaft, and a winding structure is arranged between every two mounting rods on both ends.

[0014] In the yarn gripper compression resistance testing equipment, the winding structure comprises two sliding grooves respectively formed in two mounting rods, two tooth plates are slidingly installed in the two sliding grooves, a spring two is installed between one end of each tooth plate and the corresponding sliding groove, a concave block is fixedly installed at one end of each tooth plate, a rotating shaft is rotatably installed on the concave block through a damping bearing, a wire roller is fixedly installed at the upper end of the rotating shaft, a tension sensor is installed on one of the wire rollers, and a yarn is wound between the two wire rollers.

[0015] In the yarn gripper compression resistance testing equipment, a rotating shaft is rotatably installed between every two mounting rods at the two ends, a gear is fixedly installed at each end of each rotating shaft, and each gear is engaged with the corresponding tooth plate, and an arc-shaped tooth rod is fixedly installed on one side of the mounting table, and the gears near the mounting table are alternately engaged with the arc-shaped tooth rod.

[0016] A method for using the yarn gripper compression resistance testing equipment, using the yarn gripper compression resistance testing equipment, further comprising the following steps:

[0017] S1: install the yarn gripper, rotate the upper end of the stud on the yarn gripper into the threaded groove, fix the yarn gripper relative to the fixed seat, start the cylinder one to move the fixed seat downward, then start the motor one, rotate the motor one to drive the screw rod, rotate the screw rod to drive the cylinder one to extend and retract through the ball nut, facilitate the detection of different models of yarn grippers to be detected, then fine-tune the cylinder one to accurately and vertically clamp the lower end of the stud in the air pressure combined hollow chuck, at this time the fixing work of the yarn gripper is completed;

[0018] S2: yarn state monitoring; the motor two and the cylinder two are electrically controlled, the pressure measurement value is set, at this time the motor two starts to rotate according to the different pressure measurement values, the motor two drives the driving shaft to rotate, the driving shaft drives the plurality of mounting rods to rotate, when the corresponding gear rotates to engage with the arc-shaped tooth rod, at this time the gear rotates and drives the gear at the other end to rotate synchronously under the cooperation of the rotating shaft, the two gears rotate synchronously to drive the tooth plates engaged therewith to slide in the sliding grooves, at this time the spring two is in a stretched state, until the tooth plate drives the concave block to move to the block, at this time the block is clamped with the slot, the yarn is located between the sliding thread clamp and the fixed thread clamp at this time, the motor three is started at this time, the wire roller is driven to rotate through the rotating shaft, the wire roller drives the yarn to rotate, and the tension sensor monitors the state of the yarn in real time;

[0019] S3: carry out compression test; control the air cylinder two to drive the electric telescopic rod to be equal in height with the sliding thread clamp on the thread clamp, at this time drive the electric telescopic rod to drive the pneumatic clamp to the sliding thread clamp, then control the pneumatic clamp to shrink to clamp the sliding thread clamp, set the required test pressure value, at this time drive the air cylinder two to stretch out the corresponding length, so that the conical spring is extruded, in the process of reciprocating of the air cylinder two, the spring one in the pneumatic clamp extrudes up and down, because the elasticity of the spring one is different, the sliding plate moves up and down by different distances, so that the pneumatic clamp vibrates irregularly, simulate the operation of the thread clamp in the up and down pressure test, and carry out the compression test in combination with the situation of the yarn; when the measured pressure is changed, the motor two is started again to rotate by a corresponding angle, at this time the corresponding gear meshed with the arc tooth rod is disengaged, and the tooth plate is driven to return to the initial state again under the elastic force of the spring two, the corresponding pressure measured value is set to drive the corresponding gear to rotate to mesh with the arc tooth rod for the next test.

[0020] Compared with the prior art, the device simulates the pressure and complex vibration scene in the actual work of the thread clamp, avoids the defects that the traditional device only measures the structure and is separated from the actual working condition, makes the test data more suitable for the real use demand, at the same time, the device can automatically adapt to the corresponding yarn according to different test pressure, synchronously monitors the tension state of the yarn, relates the structural compression resistance of the thread clamp to the actual clamping function depth, eliminates the misjudgment that the structure is qualified but the function fails, can trace the root cause of potential problems through the tension change, has the properties of precision and practicality, and improves the production quality of the thread clamp. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of a thread clamp compression test device provided by the application;

[0022] Figure 2 It is a structural schematic view of a clamping seat and a placing table in the application;

[0023] Figure 3 It is a structural schematic view of a thread clamp and a pneumatic clamp in the application;

[0024] Figure 4 It is a top view of the pneumatic clamp in the application;

[0025] Figure 5 It is a structural sectional view along A-A in the application; Figure 4

[0026] Figure 6 It is a structural schematic view of an arc tooth rod and a yarn in the application;

[0027] Figure 7 It is a structural schematic view of a thread roller and a rotating shaft in the application;

[0028] Figure 8 ​isometric view of the present application; Figure 7 isometric view of the present application;

[0029] Figure 9 isometric view of the present application; Figure 8 isometric view of the present application;

[0030] Figure 10 isometric view of the present application; Figure 9 isometric view of the present application;

[0031] Figure 11 isometric view of the present application;

[0032] In the figure: 1, mounting seat; 2, mounting plate; 3, motor one; 4, cylinder one; 5, fixed seat; 6, slide rail; 7, electric telescopic rod; 8, motor two; 9, placing table; 10, support; 11, clamping seat; 12, thread clamp; 13, stud; 14, sliding clamping piece; 15, fixed clamping piece; 16, pneumatic clamp; 17, slide plate; 18, spring one; 19, mounting cavity; 20, yarn; 21, motor three; 22, rotating shaft; 23, drive shaft; 24, thread roller; 25, arc-shaped tooth rod; 26, tooth plate; 27, gear; 28, mounting rod; 29, spring two; 30, rotating rod; 31, damping bearing; 32, clamping groove. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying 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 of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work are within the protection scope of the present application.

[0034] With reference to Figures 1-5A kind of press testing equipment of gripper, including mounting seat 1, mounting seat 1 is fixedly installed with placing table 9 and support 10, placing table 9 is used to place the gripper 12 to be detected, clamping seat 11 is provided on placing table 9, hollow chuck of gas pressure combination is electrically connected in clamping seat 11, gripper 12 includes stud 13 clamped in hollow chuck of gas pressure combination, hollow chuck of gas pressure combination is prior art, the core advantage of gas pressure drive is that clamping force is linearly adjustable: by adjusting gas source pressure, the clamping force of chuck can be accurately controlled, both avoid that stud 13 slips in detection due to clamping force too small, also can prevent that clamping force is too large and injures the surface of stud 13, protect the structural integrity of stud 13.The lower end of stud 13 is installed with fixed wire clamp piece 15 by nut, stud 13 is slidably installed with sliding wire clamp piece 14, and conical spring is arranged between sliding wire clamp piece 14 and the upper end of stud 13.In gripper 12, conical spring (conical spring) and wire clamp piece (fixed wire clamp piece 15 and sliding wire clamp piece 14) are the core components of cooperative work, realize reliable clamping and tension adjustment to yarn 20 by the principle of elastic force transmission, clamping surface contact, while avoiding damaging yarn 20.

[0035] The side of mounting seat 1 is fixedly provided with mounting plate 2, motor one 3 is fixedly installed on mounting plate 2, the driving end of motor one 3 is fixedly installed with lead screw, and the lead screw is rotationally arranged on mounting plate 2, mounting plate 2 is fixedly provided with slide rail 6, air cylinder one 4 is slidably installed on slide rail 6, and air cylinder one 4 is installed on lead screw by ball nut, the driving end of air cylinder one 4 is fixedly installed with fixed seat 5, and threaded groove used in cooperation with stud 13 is formed in fixed seat 5.The cooperation of motor one 3, lead screw and slide rail 6 can avoid that air cylinder one 4 is inclined in long-term pressure test (if air cylinder one 4 is directly installed, the nut at the connection will shake for a long time), and the left and right of slide rail 6 is limited to prevent the subsequent pressure loading deviation caused by the inclination of stud 13 (such as that the pressure of pneumatic clamp 16 is concentrated in the local part of gripper 12, which causes uneven compression of conical spring and distortion of test data), which is the key prerequisite to ensure the reliability of pressure test data.

[0036] The mounting plate 2 is provided with a clamping mechanism through an adjusting device, which drives the clamping mechanism to clamp the yarn clamp 12 and perform compression test under the power of the adjusting device. The adjusting device includes a cylinder two fixedly installed on the mounting plate 2, and an electric telescopic rod 7 fixedly installed at the driving end of the cylinder two. The clamping mechanism includes a pneumatic clamp 16 fixedly installed at one end of the electric telescopic rod 7. The pneumatic clamp 16 is a core executive component powered by compressed air to realize automatic clamping and loosening action. Its core function is to accurately fix or apply force to the target workpiece. The characteristic of being driven by air pressure balances the controllability and flexibility of clamping force, and is suitable for clamping requirements in dynamic testing or production. A clamping groove is formed in the inner side of the pneumatic clamp 16. A plurality of installation cavities 19 and a plurality of air holes are formed in the pneumatic clamp 16. Each installation cavity 19 is in communication with a corresponding air hole. A spring one 18 with different elasticity is fixedly installed in each installation cavity 19. The driving end of each spring one 18 is fixedly installed with a sliding plate 17, and the sliding plate 17 slides in the corresponding installation cavity 19. The pressure test under complex working conditions is simulated to improve the detection authenticity.

[0037] With reference to Figures 6-11 A simulation mechanism is jointly installed between the support 10 and the mounting seat 1. When the test pressure of the adjusting device changes, the simulation mechanism selects a linear type according to different test pressures and uses simulation at the yarn clamp 12. The front side of the mounting seat 1 is fixedly installed with a mounting table. The mounting table is fixedly installed with a fixed plate on one side. The fixed plate is fixedly installed with a motor three 21. The driving end of the motor three 21 is fixedly installed with a clamping block. The motor three 21 and the cylinder two are electrically controlled. The simulation mechanism includes a motor two 8 fixedly installed on the mounting table. The motor two 8 and the cylinder two are electrically connected. The driving end of the motor two 8 is fixedly installed with a driving shaft 23. The driving shaft 23 is rotatably arranged on the support 10. A plurality of installation rods 28 are uniformly fixedly installed on both ends of the driving shaft 23 in the axial direction (the number of installation rods 28 is set according to the test pressure. Different test pressures correspond to different specifications of yarn 20. The number of test pressure groups is consistent with the number of yarn 20 groups). Roll-up structures are jointly arranged between every two installation rods 28 at both ends.

[0038] The winding structure comprises two grooves respectively formed in the two mounting rods 28, the two grooves are slidably provided with toothed plates 26, the one end of the two toothed plates 26 is provided with a spring 29, the one end of the two toothed plates 26 is fixedly provided with a recess block, the recess block is rotatably provided with a damping bearing 31, the damping bearing 31 is rotatably provided with a rotating rod 30, the upper end of the rotating rod 30 is fixedly provided with a wire roller 24 (the damping bearing 31 can prevent the wire roller 24 from rotating when rotating around the driving shaft 23 as the axis), one of the wire rollers 24 is provided with a tension sensor, the two wire rollers 24 are commonly wound with the yarn 20, the yarn 20 passes through the tension sensor for detection (in the traditional test, whether the yarn clamp 12 can clamp the yarn 20 depends on manual observation, and the error is large; the tension sensor can output accurate tension value, and the performance is determined by whether the data is in the standard range, and the result is more objective and traceable), the lower end of the rotating rod 30 close to the mounting table is provided with a clamping groove 32 matched with a clamping block, the two ends of each two mounting rods 28 are commonly rotatably provided with a rotating shaft 22, the two ends of each rotating shaft 22 are fixedly provided with a gear 27, and each gear 27 is meshed with the corresponding toothed plate 26, one side of the mounting table is fixedly provided with an arc-shaped toothed rod 25 (the arc length of the arc-shaped toothed rod 25 is smaller than the arc length between the two wire rollers 24 on the same side, so that the two gears 27 and the arc-shaped toothed rod 25 are prevented from being meshed at the same time), and the gears 27 close to the mounting table are alternately meshed with the arc-shaped toothed rod 25.

[0039] The specific operation steps of the present application are as follows:

[0040] Install the yarn clamp 12; rotate the upper end of the stud 13 on the yarn clamp 12 into the threaded groove, so that the yarn clamp 12 is relatively fixed in the fixed seat 5, start the cylinder 4 to drive the fixed seat 5 to move downward, then start the motor 3, the motor 3 rotates to drive the screw rod to rotate, the screw rod rotates to drive the cylinder 4 to extend or retract through the ball nut, which facilitates the detection of different models of the yarn clamp 12 to be detected, then the cylinder 4 is finely adjusted, so that the lower end of the stud 13 can be accurately and vertically clamped in the air pressure combined hollow chuck, at this time the fixing work of the yarn clamp 12 is completed;

[0041] Yarn 20 state monitoring; electrical control between motor two 8 and cylinder two, set pressure measurement value, at this time motor two 8 starts to rotate corresponding angle according to different pressure measurement value, motor two 8 starts to drive the rotation of driving shaft 23, the rotation of driving shaft 23 drives the rotation of a plurality of mounting rods 28, when corresponding gear 27 rotates to mesh with arc-shaped tooth rod 25, at this time gear 27 rotates and drives the synchronous rotation of gear 27 at the other end under the cooperation of rotating shaft 22, the synchronous rotation of two gears 27 drives the sliding of tooth plate 26 in the sliding groove, at this time spring two 29 is in the stretched state, until the tooth plate 26 drives the concave block to move to the clamping block, at this time the clamping block is clamped with clamping groove 32, yarn 20 is located between sliding clamp 14 and fixed clamp 15 at this time, motor three 21 starts at this time (motor three 21 rotates an integer number of turns each time to prevent dislocation of clamping block and clamping groove 32), drives the rotation of thread roller 24 through rotating rod 30, the rotation of thread roller 24 drives the rotation of yarn 20, and tension sensor monitors the state of yarn 20 in real time; if the tension slowly decreases: it may be that the spring force of the conical spring attenuates after being pressed; if the tension suddenly fluctuates: it may be that the sliding clamp 14 is deformed under pressure (the contact between the clamping surface and yarn 20 is uneven); if the tension is instantaneously zero: it may be that the structure of the yarn clamp 12 is loose (such as the threaded rod 13 being separated from the hollow clamp, completely losing the clamping force), these data can assist R&D or quality inspection personnel in locating the defect position and optimizing the design of the yarn clamp 12 (such as increasing the strength of the conical spring and optimizing the structure of the clamp).

[0042] Compression resistance test is carried out; control cylinder two to drive electric telescopic rod 7 to move to the same height as sliding clamp 14 on yarn clamp 12, at this time drive electric telescopic rod 7 to drive pneumatic clamp 16 to move to sliding clamp 14, then control pneumatic clamp 16 to contract to clamp sliding clamp 14, set the required test pressure value, at this time drive cylinder two to stretch and contract corresponding length, so that the conical spring is pressed, in the process of reciprocating stretching and contracting of cylinder two, spring one 18 in pneumatic clamp 16 drives sliding plate 17 to press up and down, due to the different elasticity of spring one 18, the up and down movement distance of sliding plate 17 is different, so that pneumatic clamp 16 vibrates irregularly, simulate the operation of yarn clamp 12 in the up and down pressure test, and carry out compression resistance test in combination with the condition of yarn 20; when the measured pressure is changed, motor two 8 is started again to rotate corresponding angle at this time, corresponding gear 27 meshing with arc-shaped tooth rod 25 is disengaged, and gear plate 26 is brought back to the initial state again under the elastic force of spring two 29, to prevent collision with placement table 9, corresponding gear 27 rotates to mesh with arc-shaped tooth rod 25 for the next test.

[0043] Further, the above-mentioned fixed connection should be understood in a broad sense unless otherwise clearly specified and limited, for example, it can be welding, or gluing, or integrally formed, etc. The means familiar to those skilled in the art.

[0044] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A press test device for a gripper, comprising a mounting base (1), characterized in that, The mounting seat (1) is fixedly installed with a placing table (9) and a support (10), the placing table (9) is used for placing the yarn clamp (12) to be detected, the side surface of the mounting seat (1) is fixedly provided with a mounting plate (2), the mounting plate (2) is installed with a clamping mechanism through an adjusting device, the clamping mechanism is driven by the power of the adjusting device to clamp the yarn clamp (12) and carry out compression test, simulate pressure test under complex vibration mode, the support (10) and the mounting seat (1) are jointly installed with a simulation mechanism, when the test pressure of the adjusting device changes, the simulation mechanism selects linear type according to different test pressures, and the simulation is used at the yarn clamp (12); The adjusting device comprises a cylinder two fixedly installed on the mounting plate (2), and a motor two (8) fixedly installed on the mounting table, the motor two (8) is electrically connected between the cylinder two, the driving end of the motor two (8) is fixedly installed with a driving shaft (23), and the driving shaft (23) is rotatably arranged on the support (10), and a plurality of mounting rods (28) are fixedly installed on both ends of the driving shaft (23), and a winding structure is arranged between every two mounting rods (28) on both ends. The placing table (9) is provided with a clamping seat (11), the clamping seat (11) is electrically connected with a pneumatic combined hollow chuck, the yarn clamp (12) comprises a threaded stud (13) clamped in the pneumatic combined hollow chuck, a fixed wire clamping piece (15) is installed on the lower end of the threaded stud (13) through a nut, a sliding wire clamping piece (14) is slidably installed on the threaded stud (13), and a conical spring is arranged between the sliding wire clamping piece (14) and the upper end of the threaded stud (13).

2. A press test apparatus for a thread clearer according to claim 1, wherein The mounting plate (2) is fixedly installed with a motor one (3), the driving end of the motor one (3) is fixedly installed with a lead screw, and the lead screw is rotatably arranged on the mounting plate (2), the mounting plate (2) is fixedly provided with a sliding rail (6), the sliding rail (6) is slidably installed with a cylinder one (4), and the cylinder one (4) is installed on the lead screw through a ball nut, the driving end of the cylinder one (4) is fixedly installed with a fixing seat (5), and a threaded groove matched with the threaded stud (13) is formed in the fixing seat (5).

3. A press test apparatus for a thread clearer according to claim 2, wherein The clamping mechanism comprises a pneumatic clamp (16) fixedly installed at one end of the electric telescopic rod (7), a clamping groove is formed in the inner side of the pneumatic clamp (16), a plurality of installation cavities (19) and a plurality of air holes are formed in the pneumatic clamp (16), each installation cavity (19) is communicated with a corresponding air hole, and a spring one (18) with different elasticity is fixedly installed in each installation cavity (19), the driving end of each spring one (18) is fixedly installed with a sliding plate (17), and the sliding plate (17) is slidably arranged in the corresponding installation cavity (19).

4. The press test apparatus for a thread clearer according to claim 3, wherein ​ 5. A press test apparatus for a thread clearer according to claim 4, wherein One side of the installation platform is fixedly installed with a fixed plate, a motor three (21) is fixedly installed on the fixed plate, a clamping block is fixedly installed at the driving end of the motor three (21), and the motor three (21) is electrically controlled between the cylinder two.

6. A press test apparatus for a thread clearer according to claim 5, wherein The winding structure comprises two sliding grooves respectively formed in two mounting rods (28), two toothed plates (26) are slidingly installed in the two sliding grooves, spring two (29) is installed between one end of each toothed plate (26) and the corresponding sliding groove, recessed blocks are fixedly installed at one end of the two toothed plates (26), the two toothed plates (26) are rotatably installed on the two recessed blocks through damping bearings (31), wire rollers (24) are fixedly installed at the upper ends of the two rotating rods (30), a tension sensor is installed on one of the wire rollers (24), and yarn (20) is wound between the two wire rollers (24), the yarn (20) passes through the tension sensor for detection, and a clamping groove (32) matched with the clamping block is formed at the lower end of the rotating rod (30) close to the installation platform.

7. A press test apparatus for a thread clearer according to claim 6, wherein Rotating shafts (22) are rotatably installed between every two mounting rods (28) at two ends, gear wheels (27) are fixedly installed at two ends of each rotating shaft (22), each gear wheel (27) is engaged with the corresponding toothed plate (26), and an arc-shaped toothed rod (25) is fixedly installed on one side of the installation platform.

8. A method of using a press test device for a gripper, using the press test device for a gripper according to claim 7, characterized in that, Further comprising the following steps: S1: install the thread clamp (12); rotate the upper end of the stud (13) on the thread clamp (12) into the threaded groove, so that the thread clamp (12) is relatively fixed in the fixed seat (5), start the cylinder one (4) to drive the fixed seat (5) to move downward, then start the motor one (3), the motor one (3) rotates to drive the screw rod to rotate, the screw rod rotates to drive the cylinder one (4) to extend and retract through the ball nut, which facilitates the detection of different models of thread clamps (12) to be detected, then the cylinder one (4) is finely adjusted, so that the lower end of the stud (13) can be accurately and vertically clamped in the pneumatic combined hollow chuck, at this time the fixing work of the thread clamp (12) is completed; S2: Yarn (20) state monitoring; electrical control between motor two (8) and cylinder two, set pressure measurement value, at this time motor two (8) starts to rotate corresponding angle according to different pressure measurement value, motor two (8) starts to drive drive shaft (23) to rotate, drive shaft (23) rotates to drive a plurality of mounting rods (28) to rotate, when corresponding gear (27) rotates to mesh with arc-shaped toothed rod (25), at this time the gear (27) rotates and drives the gear (27) at the other end to rotate synchronously under the cooperation of the rotating shaft (22), the synchronous rotation of the two gears (27) drives the toothed plate (26) meshed therewith to slide in the sliding groove, at this time spring two (29) is in a stretched state, until the toothed plate (26) drives the recess block to move to the clamping block, at this time the clamping block is clamped with the clamping groove (32), the yarn (20) is located between the sliding clamp piece (14) and the fixed clamp piece (15) at this time, motor three (21) starts to rotate at this time, the wire roller (24) is driven by the rotating rod (30) to rotate, the wire roller (24) rotates to drive the yarn (20) to rotate, the tension sensor monitors the state of the yarn (20) in real time; S3: Perform compression test; control cylinder two to drive electric telescopic rod (7) to move to the same height with sliding clamp piece (14) on yarn gripper (12), at this time drive electric telescopic rod (7) to move pneumatic clamp (16) to sliding clamp piece (14), then control pneumatic clamp (16) to contract to clamp sliding clamp piece (14), set the required test pressure value, at this time drive cylinder two to stretch and contract corresponding length, so that the conical spring is extruded, in the process of reciprocating extension and contraction of cylinder two, the spring one (18) in the pneumatic clamp (16) drives the sliding plate (17) to extrude up and down, due to the different elasticity of spring one (18), the sliding plate (17) moves up and down by different distances, so that the pneumatic clamp (16) vibrates irregularly, simulate the working operation of the yarn gripper (12) in the up and down pressure test, and the compression resistance test is performed in cooperation with the yarn (20); when the measured pressure is changed, at this time motor two (8) rotates corresponding angle again, at this time the corresponding gear (27) meshing with the arc-shaped toothed rod (25) is disengaged, and the gear (27) is driven by the spring two (29) to return to the initial state again, the corresponding pressure measurement value drives the corresponding gear (27) to rotate to mesh with the arc-shaped toothed rod (25) to perform the next test.

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