Automatic single yarn strength tester and testing method

Abstract

The invention discloses an automatic single-yarn strength tester and a test method, and relates to the technical field of textile detection equipment, the automatic single-yarn strength tester comprises a single-yarn strength tester used for testing breaking strength, breaking elongation and breaking strength indexes of a single yarn and fiber pure spinning or blended yarn; and the translation mechanism is used for translating a plurality of distributed yarns and carrying out continuous high-efficiency test operation. According to the automatic single-yarn strength tester, a connecting piece is pulled through a tension spring, then a fastening piece and a limiting block are driven to conduct limiting installation on a limiting groove in a rubber pad, the rubber pad can be rapidly replaced after being abraded, the yarn clamping stability is ensured, and the testing accuracy is ensured; the good friction force of the clamping face can be recovered by replacing the rubber pad, it is ensured that the single yarn is tightly fixed in the clamping mechanism, the single yarn cannot move due to unstable clamping in the tensile test process, it is ensured that the test can be conducted smoothly, and the result is accurate.

Description

Technical Field

[0001] The invention relates to the technical field of textile testing equipment, in particular to an automatic single yarn strength machine and a testing method. Background Art

[0002] In the textile industry, yarn strength is one of the key indicators to measure its quality. Single yarn strength tester is used to measure important parameters such as breaking strength and breaking elongation of a single yarn, thus providing a basis for yarn production, processing and quality control. Traditional single yarn strength testers often require more manual intervention during operation.

[0003] In the prior art, for example, the patent application number is CN201910999962.5, which is a "fully automatic single yarn strength machine", comprising a frame and a yarn feeding mechanism, a yarn drawing mechanism, a transmission mechanism, an upper chuck mechanism, a lower chuck mechanism, a yarn suction mechanism and a control panel fixed on the frame. The yarn is drawn out from the yarn roll and then passes through the yarn feeding frame plate and is clamped at the piston rod end of the clamping cylinder. The lower chuck mechanism drives the yarn to move downward so that the yarn is broken. At the same time, the force sensor measures the force exerted on the yarn break. The force data is displayed on the control panel. The yarn suction mechanism is arranged near the lower chuck mechanism. The yarn suction nozzle is connected to the yarn suction inlet of the vacuum valve through a first hose, and the outlet of the vacuum valve is connected to the storage box through a second hose. The angle α between the air inlet and the yarn suction inlet of the vacuum valve is less than 90°, so that the energy consumption is reduced when sucking the yarn. The yarn is pulled to the upper chuck mechanism and the lower chuck mechanism for clamping by combining the clamping cylinder and the rodless cylinder, so as to realize the automatic traction and positioning of the yarn.

[0004] In order to ensure the stability of clamping and reduce damage to the single yarn, the clamping mechanism adopted by the existing single yarn strength machine basically adopts a rubber clamping pad on the clamping surface to clamp the single yarn. However, the rubber pad is prone to wear after clamping the single yarn for a long time, resulting in a decrease in the roughness and elasticity of the clamping surface, making it impossible for the clamping force to be stably maintained at a preset level. During the test, the yarn may slip due to insufficient clamping force, resulting in a reduction in the test accuracy.

[0005] Therefore, we proposed an automated single yarn strength machine and testing method to solve the above problems. Summary of the invention

[0006] The object of the present invention is to provide an automated single yarn strength tester and a testing method to solve the problem in the background art that the single yarn may wear the clamping pad of the clamping mechanism, thereby reducing the test accuracy.

[0007] To achieve the above object, the present invention provides the following technical solution: an automatic single yarn strength machine, comprising: Single yarn strength tester, which is used to measure the breaking strength, elongation at break and breaking tenacity of single yarn, pure fiber or blended yarn; A translation mechanism, which is used for multiple distributed yarn translation positions and performs continuous and efficient testing operations; The testing mechanism includes an electric telescopic rod, a pressure sensor and an arc-shaped push frame, which is used to apply a gradually increasing tensile force to a single yarn, and the electric telescopic rod pushes the pressure sensor and the arc-shaped push frame to extend to apply pressure to the single yarn until the yarn breaks, and accurately measures the maximum tensile force that the yarn withstands at the moment of breaking, that is, the breaking strength; The clamping mechanism includes a guide rod, a tension spring, a connecting piece, a pressing handle, a fastening piece, a limit block, a rubber pad and a limit groove, which is used to firmly fix the two ends of the yarn to ensure that each part of the yarn is subjected to the same force during the stretching process, so that the test result can reflect the performance of the yarn itself, and increase the friction between the yarn and the rubber pad. The guide rod pulls the connecting piece through the tension spring, and then drives the fastening piece and the limit block to limit the limit groove on the rubber pad, so that the rubber pad can be quickly replaced after it is worn.

[0008] Preferably, it also includes: The yarn feeding mechanism comprises: A yarn platform and a first sliding seat, wherein the first sliding seat is arranged at the bottom of the yarn platform, a plurality of first extended yarn guide frames are evenly distributed on the top side of the yarn platform, and a plurality of yarn guide frames are evenly distributed on the top of the yarn platform, wherein the yarn guide frames can ensure that the yarn enters the test area in the correct path, and the first extended yarn guide frames are convenient for providing sufficient space and support to ensure that the yarn can be accurately guided to the test position.

[0009] Preferably, a yarn discharging mechanism is provided on one side of the yarn feeding mechanism, and the yarn discharging mechanism includes a yarn discharging frame, and a plurality of mounting columns are evenly distributed on the top of the yarn discharging frame. A yarn winding drum is provided on the outer side of the mounting column, and the yarn winding drum is evenly distributed on the yarn discharging frame, so as to provide a stable source of yarn for the test during the test, and ensure sufficient yarn supply when continuous testing or testing of long yarns.

[0010] Preferably, a yarn fixing mechanism is installed at the bottom of the single yarn strength machine, and the yarn fixing mechanism includes a yarn fixing platform. A second sliding seat is arranged on the top of the yarn fixing platform, and the second sliding seat is used to ensure stable guiding of the sliding adjustment during the test. A plurality of second extended yarn guide frames are evenly distributed on the bottom side of the yarn fixing platform, so that the yarn maintains the correct path for testing, and a plurality of yarn fixing seats are evenly distributed on the bottom of the yarn fixing platform. The inner side of the yarn fixing seat is threadedly connected with a fastening bolt, which can fix the end of the yarn and ensure that the yarn can be firmly fixed in the test position during the test.

[0011] Preferably, the translation mechanism comprises a U-shaped frame, a translation screw and a first motor; The two ends of the U-shaped frame are respectively connected and fixed to the yarn feeding platform and the yarn fixing platform, the translation screw thread penetrates and is connected to the inside of the U-shaped frame, and the first motor is installed in the outer shell to drive the translation screw to rotate, so that the U-shaped frame can achieve translation adjustment.

[0012] Preferably, a side mounting plate is installed at one end of the electric telescopic rod, a mounting block is fixedly installed on one side of the side mounting plate, the mounting block is arranged in the middle of the bidirectional screw rod, a connecting plate is fixedly installed on the outer side of the side mounting plate, guide grooves are symmetrically provided on the inner side surface of the connecting plate, telescopic cylinders are connected to both ends of one side of the connecting plate, an inner supporting fixing plate is installed at one end of the telescopic cylinder, a second motor is installed on one side of the connecting plate, the output end of the second motor is connected to the bidirectional screw rod, and a sliding block is threadedly connected to the outer wall of the bidirectional screw rod.

[0013] Preferably, the clamping mechanism also includes a sleeve, a pneumatic telescopic rod and a rotating part, the pneumatic telescopic rod is embedded and installed on the sleeve for telescopic adjustment to control the opening and closing angle of the rotating part, and can perform a clamping test on the yarn, one end of the rotating part is provided with a plug-in slot and a clamping seat, the plug-in slot is arranged on the side of the clamping seat, and one side corner of the clamping seat is symmetrically provided with two positioning slots, one end and the side of the rubber pad are respectively provided with a plug-in plate and a positioning block, the plug-in slot and the positioning slot are used to cooperate with the plug-in plate and the positioning block for limit fixing when the rubber pad is installed, the inside of the clamping seat is provided with an adjusting slot hole and a sliding slot hole, the adjusting slot hole and the sliding slot hole are used to provide space for sliding adjustment of the connecting part and the fastening part, and a pressing handle is fixedly installed on one side of the connecting part, which is used to manually open the connecting part outward during disassembly and replacement, so that the limit block is separated to complete quick disassembly, thereby ensuring the convenience of replacement.

[0014] Preferably, the single yarn strength machine includes an outer shell, a top slide groove and a bottom slide groove are respectively provided on the top and bottom of the outer shell, a detection slot is opened through the front of the outer shell, a rear cover plate is installed on the back of the outer shell, and a test host is installed inside the outer shell for collecting various data of the yarn during the stretching process and processing the data signal.

[0015] Preferably, support frames are fixedly installed on both sides of the single yarn strength machine, a base plate is fixedly installed on the bottom of the support frame, and the stability of the installation support is ensured by the cooperation between the support frame and the base plate, and a controller is fixedly installed on the top of a single support frame, which is used to set various test parameters of the single yarn strength machine to ensure the accuracy of the single yarn strength test.

[0016] A method for testing an automated single yarn strength tester comprises the following steps: S1. When the single yarn strength machine is in use, the yarn drum wrapped with the single yarn needs to be installed through the installation column and evenly distributed on the yarn outlet frame, and then the single yarn on the yarn drum is pulled out and passes through the inner side of the yarn feeding frame distributed on the yarn feeding platform, and then further extended and guided through the first extended yarn guide frame, and then the single yarn is further pulled out and passes through the inner side of the correspondingly distributed second extended yarn guide frame, and then the end of the single yarn is wrapped around the fastening bolt and further screwed into the yarn fixing seat to achieve the connection and fixation of the single yarn, so that the single yarn is evenly distributed from the front of the outer shell.

[0017] S2, the yarn-feeding platform and the yarn-fixing platform are respectively arranged at the top and bottom of the outer shell, and are connected by a U-shaped frame. The first motor drives the translation screw to rotate, thereby cooperating with the U-shaped frame to drive the yarn-feeding platform and the yarn-fixing platform to translate synchronously, so that the first group of single yarns to be tested are moved to a position close to the testing mechanism.

[0018] S3. The controller sets the test parameters and controls the telescopic cylinder to push the connecting plate slightly outward, so that the arc-shaped push frame is close to the position of the single yarn. At the same time, the single yarn is also close to between the two rotating parts. The pneumatic telescopic rod is contracted to pull the rotating parts together, and then the rubber pad clamps the single yarn. Multiple grooves are distributed on the rubber pad to increase the friction force and ensure the stability of the clamping. Then the second motor is driven to drive the bidirectional screw to rotate, so that the sliding block drives the two clamping mechanisms to move up and down separately to ensure that the yarn is in a straight state.

[0019] S4. Then the electric telescopic rod pushes the pressure sensor and the arc push frame to the position of the single yarn. During the pushing process, the arc push frame adopts an arc design to maintain the stability of the single yarn. The pressure sensor senses the pressure generated during the pushing in real time, transmits it to the test host for recording and storage, and performs calculation processing to facilitate understanding of the yarn strength data.

[0020] S5. After a group of single yarns is tested, the first motor drives the translation screw to rotate again, further driving the yarn feeding table and the yarn fixing table to translate, and moving the second group of single yarns to a position close to the testing mechanism for testing, and so on. During the translation process, the telescopic cylinder drives the testing mechanism and the clamping mechanism to retract, ensuring a smooth translation operation.

[0021] S6. After testing, if the clamping surface of the rubber pad is found to be worn, manually push the pressing handle outward to drive the connecting piece, the fastening piece and the limit block to expand outward, so that the limit block is separated from the limit groove, and then push the positioning block on the rubber pad to separate from the positioning groove, and then pull the rubber pad out from the side to separate the plug-in board from the plug-in groove, thereby completing the disassembly.

[0022] S7. Reinstall the replaced rubber pad on the rotating part. During installation, insert the plug-in board into the plug-in slot, and then embed the positioning block into the positioning slot. At the same time, keep the fastening member and the limit block in the unfolded state. After the docking is completed, release the position of the pressing handle, and use the tension of the tension spring to drive the connection member, the fastening member and the limit block to merge, so that the limit block is buckled into the limit slot, thereby achieving stable installation.

[0023] Compared with the prior art, the present invention has the following beneficial effects: 1. Pull the connecting piece through the tension spring, and then drive the fastening piece and the limit block to limit the limit groove on the rubber pad. After the rubber pad is worn, it can be quickly replaced to ensure the stability of the yarn clamping to ensure the accuracy of the test. By replacing the rubber pad, the good friction of the clamping surface can be restored to ensure that the single yarn is tightly fixed in the clamping mechanism, so that the single yarn will not move due to unstable clamping during the tensile test, ensuring that the test can be carried out smoothly and the result is accurate. The rubber pad is a vulnerable part of the clamping mechanism, and its replacement cost is relatively low. By replacing the worn rubber pad in time, the failure of the entire clamping mechanism due to damage to the clamping surface can be avoided; 2. By firmly fixing the two ends of the yarn, it is ensured that the forces on each part of the yarn are basically the same during the stretching process, so that the test results can better reflect the performance of the yarn itself, and the friction between the yarn and the rubber pad is increased. Single yarn is usually thin and it is easy to slide or shift during the test. Two sets of clamping mechanisms fix the two ends of the single yarn respectively, so that it can maintain a stable position during the stretching process. This ensures that the tension is evenly applied along the axial direction of the yarn, avoiding uneven force due to changes in the yarn position.

[0024] 3. The translation mechanism can translate multiple distributed yarns on the yarn-feeding mechanism and perform continuous and efficient testing operations. The yarns can be switched automatically without repeated manual loading and unloading, which greatly saves manpower and time costs, improves the overall testing efficiency, and can achieve seamless connection testing of different yarns. After the test of one yarn is completed, it can quickly switch to the next yarn for testing, reducing the idle time of the equipment and making the testing process more compact and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional structural schematic diagram of an automatic single yarn strength machine of the present invention; Figure 2 This is a schematic structural diagram of an automated single yarn strength machine according to the present invention from another angle; Figure 3 This is a schematic diagram of the exploded structure of an automated single yarn strength machine of the present invention; Figure 4It is a structural schematic diagram of a yarn feeding mechanism of an automatic single yarn strength machine of the present invention; Figure 5 It is a structural schematic diagram of a yarn fixing mechanism of an automatic single yarn strength machine of the present invention; Figure 6 This is a schematic diagram of the internal cross-sectional structure of an automated single yarn strength machine of the present invention; Figure 7 It is a structural schematic diagram of a testing mechanism of an automatic single yarn strength machine of the present invention; Figure 8 It is a structural schematic diagram of a clamping mechanism of an automatic single yarn strength machine of the present invention; Fig. 9 This is a schematic diagram of the exploded structure of a clamping mechanism of an automated single yarn strength machine of the present invention; Fig.10 The present invention is a schematic diagram of the dissected structure of a clamping mechanism of an automatic single yarn strength machine.

[0026] In the figure: 1. Single yarn strength machine; 101. Outer shell; 102. Top slide; 103. Bottom slide; 104. Detection notch; 105. Back cover; 106. Test host; 2. Yarn running mechanism; 201. Yarn running platform; 202. First sliding seat; 203. First extended yarn guide frame; 204. Yarn running frame; 3. Yarn discharging mechanism; 301. Yarn discharging frame; 302. Mounting column; 303. Yarn winding drum; 4. Yarn fixing mechanism; 401. Yarn fixing platform; 402. Second sliding seat; 403. Second extended yarn guide frame; 404. Yarn fixing seat; 405. Fastening bolt; 5. Translation mechanism; 501. U-shaped frame; 502. Translation screw rod; 503. First motor; 6. Test mechanism; 601. Internal support fixing plate; 602. Telescopic cylinder; 603. Connecting plate; 60 4. Guide groove; 605. Side mounting plate; 6050. Mounting block; 606. Second motor; 607. Bidirectional lead screw; 608. Electric telescopic rod; 6080. Pressure sensor; 6081. Arc push frame; 609. Sliding block; 7. Clamping mechanism; 701. Socket sleeve; 702. Pneumatic telescopic rod; 703. Rotating member; 7030. Plug-in groove; 7031. Clamping seat; 7032. Adjusting slot hole; 7033. Sliding slot hole; 7034. Positioning groove; 704. Guide rod; 7040. Tension spring; 7041. Connecting member; 7042. Pressing handle; 7043. Fastening member; 7044. Limiting block; 705. Rubber pad; 7050. Plug-in plate; 7051. Positioning block; 7052. Limiting groove; 8. Support frame; 9. Controller. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described 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 creative work are within the scope of protection of the present invention.

[0028] Example 1: Please refer to Figure 1-Figure 10 The present invention provides a technical solution: an automated single yarn strength machine, comprising: a single yarn strength machine 1, which is used to measure the breaking strength, breaking elongation and breaking strength index of a single yarn, pure fiber or blended yarn. The single yarn strength machine 1 can accurately measure the breaking strength and breaking strength of single yarns and pure fiber or blended yarns such as various cotton, wool, linen, silk, chemical fiber, core-spun yarn, etc., and intuitively reflect the maximum bearing capacity of the yarn during the stretching process, and judge whether it meets the production standards and use requirements; The translation mechanism 5 is used for multiple distributed yarn translation positions and performs continuous high-efficiency testing operations. The yarn can be automatically switched without repeated manual loading and unloading, which greatly saves manpower and time costs, improves the overall testing efficiency, and can achieve seamless connection testing of different yarns. After the test of one yarn is completed, it can quickly switch to the next yarn for testing, which reduces the idle time of the equipment and makes the testing process more compact and efficient; The testing mechanism 6 includes an electric telescopic rod 608, a pressure sensor 6080 and an arc-shaped push frame 6081, which are used to apply a gradually increasing tensile force to a single yarn, and the electric telescopic rod 608 pushes the pressure sensor 6080 and the arc-shaped push frame 6081 to extend to apply pressure to the single yarn until the yarn breaks, and accurately measures the maximum tensile force that the yarn withstands at the moment of breaking, that is, the breaking strength. By applying a gradually increasing squeezing force to the single yarn, the pressure sensor senses and records this pressure change in real time. When the single yarn reaches the breaking point, the maximum pressure value recorded by the pressure sensor is the breaking strength of the single yarn. This data can intuitively reflect the maximum bearing capacity of the single yarn during the stretching process, providing a key basis for evaluating the quality of the yarn; The clamping mechanism 7 includes a guide rod 704, a tension spring 7040, a connector 7041, a pressing handle 7042, a fastening member 7043, a stopper 7044, a rubber pad 705 and a stopper groove 7052. The clamping mechanism 7 is used to firmly fix the two ends of the yarn to ensure that the forces on each part of the yarn are the same during the stretching process, so that the test results can reflect the performance of the yarn itself, and increase the friction between the yarn and the rubber pad 705. Single yarn is usually thin and is prone to sliding or shifting during the test. The two sets of clamping mechanisms respectively fix the two ends of the single yarn so that it can maintain a stable position during the stretching process. In this way, it can be ensured that the tension is evenly applied along the axial direction of the yarn, avoiding uneven force due to the change of the yarn position, and the guide rod 704 pulls the connecting piece 7041 through the tension spring 7040, thereby driving the fastening piece 7043 and the limiting block 7044 to limit the limiting groove 7052 on the rubber pad 705, so that the rubber pad 705 can be quickly replaced after it is worn. By replacing the rubber pad 705, the good friction of the clamping surface can be restored, ensuring that the single yarn is tightly fixed in the clamping mechanism 7, so that the single yarn will not move due to unstable clamping during the tensile test, ensuring that the test can be carried out smoothly and the result is accurate. As a vulnerable component of the clamping mechanism 7, the replacement cost of the rubber pad 705 is relatively low. By replacing the worn rubber pad 705 in time, it can be avoided that the entire clamping mechanism fails due to damage to the clamping surface.

[0029] like Figure 4 As shown, it also includes: The yarn feeding mechanism 2 comprises: The yarn platform 201 and the first sliding seat 202, the first sliding seat 202 is arranged at the bottom of the yarn platform 201, and a plurality of first extended yarn guide frames 203 are evenly distributed on the top side of the yarn platform 201, and a plurality of yarn guide frames 204 are evenly distributed on the top of the yarn platform 201. The yarn guide frames 204 can ensure that the yarn enters the test area along the correct path, and the first extended yarn guide frames 203 are convenient for providing sufficient space and support to ensure that the yarn can be accurately guided to the test position. The single yarn needs to travel along a specific path during the test. The yarn walking mechanism 2 ensures that the single yarn moves along a preset route through precise guiding action to avoid bending, entanglement or deviation from the correct direction of the single yarn during the tensile test. The first extended yarn guide frame 203 and the yarn walking frame 204 provide a precise travel path for the single yarn, which can ensure that the single yarn moves in the single yarn strength machine according to the set route, so that the single yarn can stably pass through various key parts during operations such as tensile testing.

[0030] like Figure 4As shown, a yarn discharging mechanism 3 is arranged on one side of the yarn walking mechanism 2, and the yarn discharging mechanism 3 includes a yarn discharging frame 301, and a plurality of mounting columns 302 are evenly distributed on the top of the yarn discharging frame 301. A winding drum 303 is arranged on the outer sleeve of the mounting column 302, and the winding drum 303 is evenly distributed on the yarn discharging frame 301, which provides a stable source of yarn for the test during the test, and ensures that there is sufficient yarn supply when continuous testing or testing of long yarns. The yarn discharging frame 301 provides a stable starting position for the single yarn to be led out from the winding drum, which can ensure that the yarn can be led out in a relatively regular state in the initial stage, avoiding the problems of shaking, entanglement or knotting of the yarn during the leading-out process. The mounting column 302 is the base of the winding drum, which can conveniently install the winding drum 303 so that it will not shake or rotate at will during the yarn leading-out process.

[0031] like Figure 5 As shown, a yarn fixing mechanism 4 is installed at the bottom of the single yarn strength machine 1, and the yarn fixing mechanism 4 includes a yarn fixing platform 401. A second sliding seat 402 is arranged on the top of the yarn fixing platform 401. The second sliding seat 402 is used to ensure stable guiding of sliding adjustment during testing. A plurality of second extended yarn guide frames 403 are evenly distributed on the bottom side of the yarn fixing platform 401, so that the yarn maintains the correct path for testing. A plurality of yarn fixing seats 404 are evenly distributed on the bottom of the yarn fixing platform 401. The inner side of the yarn fixing seat 404 is threadedly connected with a fastening bolt 405, which can fix the end of the yarn to ensure that the yarn can be firmly fixed in the test position during the test. The second extended yarn guide frame 403 can ensure that the yarn is transmitted along a predetermined path to avoid the yarn from being entangled, knotted or deviating from the correct position during transmission. In the single yarn strength test, the yarn fixing seat 404 cooperates with the fastening bolt 405 to firmly fix one end of the single yarn so as to apply tension at the other end to test the strength of the single yarn.

[0032] like Figure 3 As shown, the translation mechanism 5 includes a U-shaped frame 501, a translation screw rod 502 and a first motor 503; The two ends of the U-shaped frame 501 are respectively connected and fixed to the yarn walking platform 201 and the yarn fixing platform 401, the translation screw rod 502 is threadedly connected to the inside of the U-shaped frame 501, and the first motor 503 is installed in the outer shell 101 to drive the translation screw rod 502 to rotate, so that the U-shaped frame 501 can achieve translation adjustment, and the yarn walking platform 201 and the yarn fixing platform 401 are connected through the U-shaped frame 501, and the first motor 503 drives the translation screw rod 502 to rotate, thereby cooperating with the U-shaped frame 501 to drive the yarn walking platform 201 and the yarn fixing platform 401 to translate synchronously.

[0033] like Figure 7As shown, a side mounting plate 605 is installed at one end of the electric telescopic rod 608, a mounting block 6050 is fixedly installed at one side of the side mounting plate 605, and the mounting block 6050 is arranged in the middle of the bidirectional screw rod 607, a connecting plate 603 is fixedly installed on the outer side of the side mounting plate 605, and a guide groove 604 is symmetrically provided on the inner side surface of the connecting plate 603, and a telescopic cylinder 602 is connected to both ends of one side of the connecting plate 603, and an inner support type fixing plate 601 is installed at one end of the telescopic cylinder 602, and a second motor 606 is installed at one side of the connecting plate 603, and the output end of the second motor 606 is connected to the bidirectional screw rod 607, and the outer wall screw of the bidirectional screw rod 607 is connected to the outer wall screw of the bidirectional screw rod 607. The pattern is connected with a sliding block 609, and the telescopic cylinder 602 is installed at both ends of one side through the inner support fixing plate 601, and is connected to the connecting plate 603, which is used to telescope and adjust the connecting plate 603, so as to adjust the position according to the usage. The guide groove 604 is opened on the inner side of the connecting plate 603, and the sliding block 609 is movably installed on the inner side of the guide groove 604, thereby providing a guiding function. The second motor 606 drives the bidirectional screw rod 607 to rotate, thereby driving the sliding block 609 to realize adjustment, so as to facilitate the straightening adjustment of the clamped yarn. The middle part of the bidirectional screw rod 607 is rotatably connected to the inner side of the mounting block 6050, so as to ensure stability.

[0034] like Figure 8-Figure 10As shown, the clamping mechanism 7 also includes a sleeve 701, a pneumatic telescopic rod 702 and a rotating member 703. The pneumatic telescopic rod 702 is embedded and installed on the sleeve 701 for telescopic adjustment to control the opening and closing angle of the rotating member 703, and can perform a clamping test on the yarn. One end of the rotating member 703 is provided with a plug-in slot 7030 and a clamping seat 7031. The plug-in slot 7030 is arranged on the side of the clamping seat 7031. Two positioning slots 7034 are symmetrically provided on one side corner of the clamping seat 7031. A plug-in plate 7050 and a positioning block 7051 are respectively installed on one end and the side of the rubber pad 705. The plug-in slot 7030 is provided on the side of the clamping seat 7031. 7030 and the positioning groove 7034 are used to cooperate with the plug-in board 7050 and the positioning block 7051 for limiting and fixing when the rubber pad 705 is installed. The interior of the clamping seat 7031 is provided with an adjustment slot hole 7032 and a sliding slot hole 7033. The adjustment slot hole 7032 and the sliding slot hole 7033 are used to provide space for sliding adjustment of the connecting piece 7041 and the fastening piece 7043. A pressing handle 7042 is fixedly installed on one side of the connecting piece 7041. The pressing handle 7042 is used to manually open the connecting piece 7041 outward when disassembling and replacing, so that the limiting block 7044 is separated to complete the quick disassembly, thereby ensuring the convenience of replacement. The pneumatic telescopic rod 702 contracts and pulls the rotating part 703 to merge, and then the rubber pad 705 clamps the single yarn. The multiple grooves distributed on the rubber pad 705 increase the friction force to ensure the stability of the clamping. By manually pushing the position of the pressing handle 7042 outward, the connecting piece 7041, the fastening piece 7043 and the limiting block 7044 are driven to expand outward, so that the limiting block 7044 is separated from the limiting groove 7052, and then the positioning block 7051 on the rubber pad 705 is pushed and separated from the positioning groove 7034, and then the rubber pad 705 is pulled out from the side, so that the plug-in board 7050 is connected with the plug-in groove 7052. 030 is separated, which facilitates the rapid disassembly and replacement. The replaced rubber pad 705 is reinstalled on the rotating part 703. During installation, the plug-in plate 7050 is inserted into the inside of the plug-in slot 7030, and then the positioning block 7051 is embedded in the inside of the positioning slot 7034. At the same time, the fastening member 7043 and the limit block 7044 remain in the unfolded state. After the docking is completed, the hand releases the position of the pressing handle 7042, and the tension of the tension spring 7040 is used to drive the connecting member 7041, the fastening member 7043 and the limit block 7044 to merge, so that the limit block 7044 is buckled into the inside of the limit slot 7052.

[0035] like Figure 3 and Figure 6As shown, the single yarn strength machine 1 includes an outer shell 101, and a top slide groove 102 and a bottom slide groove 103 are respectively provided on the top and bottom of the outer shell 101. A detection slot 104 is provided through the front of the outer shell 101, and a rear cover plate 105 is installed on the back of the outer shell 101. A test host 106 is installed inside the outer shell 101 for collecting various data of the yarn during the stretching process and processing the data signal. The top slide groove 102 and the bottom slide groove 103 are slidably connected to the first sliding seat 202 and the second sliding seat 402, so as to provide a guiding effect during the sliding adjustment process and improve the accuracy. The detection slot 104 provides a telescopic adjustment space for the testing mechanism 6.

[0036] like Figure 1 and Figure 2 As shown, support frames 8 are fixedly installed on both sides of the single yarn strength machine 1, a base plate is fixedly installed on the bottom of the support frame 8, and the stability of the installation support is ensured by the cooperation between the support frame 8 and the base plate. A controller 9 is fixedly installed on the top of the single support frame 8, which is used to set various test parameters of the single yarn strength machine to ensure the accuracy of the single yarn strength test. The parameters used can be adjusted through the control buttons on the controller 9. The controller 9 is also provided with a display screen for viewing the test status and data.

[0037] The working principle of the whole mechanism is as follows: when the single yarn strength machine is used, the winding drum 303 wound with the single yarn needs to be installed through the installation column 302 and evenly distributed on the yarn outlet frame 301, and then the single yarn on the winding drum 303 is pulled out and passes through the inner side of the yarn guide frame 204 distributed on the yarn platform 201, and then further extended and guided through the first extended yarn guide frame 203, and then the single yarn is further pulled out and passes through the inner side of the correspondingly distributed second extended yarn guide frame 403, and then the end of the single yarn is wound around the fastening bolt 405. The yarn feeding platform 201 and the yarn fixing platform 401 are respectively arranged at the top and bottom positions of the outer shell 101, and are connected by a U-shaped frame 501. The first motor 503 drives the translation screw rod 502 to rotate, thereby cooperating with the U-shaped frame 501 to drive the yarn feeding platform 201 and the yarn fixing platform 401 to translate synchronously, so that the first group of single yarns to be tested moves to a position close to the testing mechanism 6.

[0038] The controller 9 sets the test parameters and controls the telescopic cylinder 602 to push the connecting plate 603 to move slightly outward, so that the arc push frame 6081 is close to the position of the single yarn. At the same time, the single yarn is also close to between the two rotating parts 703. The pneumatic telescopic rod 702 is contracted to pull the rotating parts 703 to merge, and then the rubber pad 705 clamps the single yarn. A plurality of grooves are distributed on the rubber pad 705 to increase the friction force and ensure the stability of the clamping. Then the second motor 606 is driven to drive the bidirectional screw rod 607 to rotate, so that the sliding block 609 drives the two clamping mechanisms 7 to move up and down separately to ensure that the yarn is in a straight state. Then the electric telescopic rod 608 pushes the pressure sensor 6080 and the arc push frame 6081 to the position of the single yarn. During the pushing process, the arc push frame 6081 adopts an arc design to maintain the stability of the single yarn. The pressure sensor 6080 senses the pressure generated during the pushing in real time, transmits it to the test host 106 for recording and storage, and performs calculation processing to facilitate understanding of the yarn strength data.

[0039] After testing, if the clamping surface of the rubber pad 705 is found to be worn, the pressing handle 7042 is manually pushed outward to drive the connecting piece 7041, the fastening piece 7043 and the limiting block 7044 to expand outward, so that the limiting block 7044 is separated from the limiting groove 7052, and then the positioning block 7051 on the rubber pad 705 is pushed and separated from the positioning groove 7034, and then the rubber pad 705 is pulled out from the side to separate the plug-in board 7050 from the plug-in groove 7030, thereby completing the disassembly and replacing the rubber pad 705. 05 Reinstall on the rotating part 703. During installation, insert the plug-in plate 7050 into the inside of the plug-in slot 7030, and then embed the positioning block 7051 into the inside of the positioning slot 7034. At the same time, the fastening member 7043 and the limit block 7044 remain in the unfolded state. After the docking is completed, release the position of the pressing handle 7042 with your hand, and use the tension of the tension spring 7040 to drive the connecting member 7041, the fastening member 7043 and the limit block 7044 to merge, so that the limit block 7044 is buckled into the inside of the limit slot 7052, thereby achieving stable installation.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automated single yarn strength machine, characterized in that: Included are: Single yarn strength tester (1), which is used to measure the breaking strength, breaking elongation and breaking tenacity of a single yarn, pure fiber yarn or blended yarn; A translation mechanism (5) is used for multiple distributed yarn translation positions and performs high-efficiency continuity testing operations; The testing mechanism (6) comprises an electric telescopic rod (608), a pressure sensor (6080) and an arc-shaped push frame (6081), which is used to apply a gradually increasing tensile force to a single yarn, and the electric telescopic rod (608) pushes the pressure sensor (6080) and the arc-shaped push frame (6081) to extend to apply pressure to the single yarn until the yarn breaks, and accurately measures the maximum tensile force that the yarn withstands at the moment of breaking, that is, the breaking strength; The clamping mechanism (7) comprises a guide rod (704), a tension spring (7040), a connecting piece (7041), a pressing handle (7042), a fastening piece (7043), a limiting block (7044), a rubber pad (705) and a limiting groove (7052), and is used to firmly fix the two ends of the yarn, ensure that the forces on each part of the yarn are the same during the stretching process, so that the test result can reflect the performance of the yarn itself, and increase the friction between the yarn and the rubber pad (705), and the guide rod (704) pulls the connecting piece (7041) through the tension spring (7040), thereby driving the fastening piece (7043) and the limiting block (7044) to limit the limiting groove (7052) on the rubber pad (705), so that the rubber pad (705) can be quickly replaced after it is worn.

2. The automatic single yarn strength machine according to claim 1, characterized in that: Also includes: The yarn feeding mechanism (2) comprises: A yarn platform (201) and a first sliding seat (202), wherein the first sliding seat (202) is arranged at the bottom of the yarn platform (201), a plurality of first extended yarn guide frames (203) are evenly distributed on the top side of the yarn platform (201), and a plurality of yarn guide frames (204) are evenly distributed on the top of the yarn platform (201), wherein the yarn guide frames (204) can ensure that the yarn enters the test area in the correct path, and the first extended yarn guide frames (203) are convenient for providing sufficient space and support to ensure that the yarn can be accurately guided to the test position.

3. The automatic single yarn strength machine according to claim 2, characterized in that: A yarn discharging mechanism (3) is arranged on one side of the yarn feeding mechanism (2), and the yarn discharging mechanism (3) comprises a yarn discharging frame (301), and a plurality of mounting columns (302) are evenly distributed on the top of the yarn discharging frame (301), and a yarn winding drum (303) is sleeved on the outside of the mounting columns (302), and the yarn winding drums (303) are evenly distributed on the yarn discharging frame (301), so as to provide a stable yarn source for the test during the test process, and ensure sufficient yarn supply when continuous testing or testing of long yarns.

4. The automatic single yarn strength machine according to claim 3, characterized in that: A yarn fixing mechanism (4) is installed at the bottom of the single yarn strength machine (1), and the yarn fixing mechanism (4) comprises a yarn fixing platform (401). A second sliding seat (402) is arranged on the top of the yarn fixing platform (401), and the second sliding seat (402) is used to ensure stable guidance of sliding adjustment during testing. A plurality of second extended yarn guide frames (403) are evenly distributed on the bottom side of the yarn fixing platform (401), so that the yarn maintains a correct path for testing. A plurality of yarn fixing seats (404) are evenly distributed on the bottom of the yarn fixing platform (401), and a fastening bolt (405) is threadedly connected to the inner side of the yarn fixing seat (404), which can fix the end of the yarn, thereby ensuring that the yarn can be firmly fixed at the test position during the test.

5. The automatic single yarn strength machine according to claim 4, characterized in that: The translation mechanism (5) comprises a U-shaped frame (501), a translation screw rod (502) and a first motor (503); The two ends of the U-shaped frame (501) are respectively connected and fixed to the yarn feeding platform (201) and the yarn fixing platform (401); the translation screw rod (502) is threadedly connected to the inside of the U-shaped frame (501); and the first motor (503) is installed on the outer shell (101) to drive the translation screw rod (502) to rotate, so that the U-shaped frame (501) can achieve translation adjustment.

6. The automatic single yarn strength machine according to claim 5, characterized in that: A side mounting plate (605) is installed at one end of the electric telescopic rod (608), a mounting block (6050) is fixedly installed on one side of the side mounting plate (605), and the mounting block (6050) is arranged in the middle of the bidirectional screw rod (607). A connecting plate (603) is fixedly installed on the outer side of the side mounting plate (605), and guide grooves (604) are symmetrically provided on the inner side surface of the connecting plate (603) in an upper and lower manner. Telescopic cylinders (602) are connected to both ends of one side of the connecting plate (603), and an inner support type fixing plate (601) is installed at one end of the telescopic cylinder (602). A second motor (606) is installed on one side of the connecting plate (603), and the output end of the second motor (606) is connected to the bidirectional screw rod (607), and the outer wall of the bidirectional screw rod (607) is threadedly connected to a sliding block (609).

7. The automatic single yarn strength machine according to claim 6, characterized in that: The clamping mechanism (7) further comprises a sleeve (701), a pneumatic telescopic rod (702) and a rotating member (703); the pneumatic telescopic rod (702) is embedded and mounted on the sleeve (701) for telescopically adjusting and controlling the opening and closing angle of the rotating member (703), so as to be capable of performing a clamping test on the yarn; one end of the rotating member (703) is provided with a plug-in slot (7030) and a clamping seat (7031); the plug-in slot (7030) is provided on the side of the clamping seat (7031); two positioning slots (7034) are symmetrically provided on one side corner of the clamping seat (7031); one end and the side of the rubber pad (705) are respectively provided with a plug-in plate (7050) and a positioning block (705 1), the plug-in slot (7030) and the positioning slot (7034) are used to cooperate with the plug-in plate (7050) and the positioning block (7051) for limiting and fixing when the rubber pad (705) is installed, and the interior of the clamping seat (7031) is provided with an adjustment slot hole (7032) and a sliding slot hole (7033), and the adjustment slot hole (7032) and the sliding slot hole (7033) are used to provide space for sliding adjustment of the connecting piece (7041) and the fastening piece (7043), and a pressing handle (7042) is fixedly installed on one side of the connecting piece (7041), which is used to manually open the connecting piece (7041) outward when disassembling and replacing, so that the limiting block (7044) is separated to complete quick disassembly.

8. The automatic single yarn strength machine according to claim 7, characterized in that: The single yarn strength machine (1) comprises an outer shell (101), the top and bottom of the outer shell (101) are respectively provided with a top slide groove (102) and a bottom slide groove (103), the front of the outer shell (101) is provided with a detection notch (104), the back of the outer shell (101) is provided with a rear cover plate (105), and the interior of the outer shell (101) is provided with a test host (106) for collecting various data of the yarn during the stretching process and processing the data signal.

9. The automatic single yarn strength machine according to claim 7, characterized in that: Support frames (8) are fixedly mounted on both sides of the single yarn strength machine (1); a bottom plate is fixedly mounted on the bottom of the support frame (8); and the stability of the mounting support is ensured by the cooperation between the support frame (8) and the bottom plate; a controller (9) is fixedly mounted on the top of the single support frame (8), and is used to set various test parameters of the single yarn strength machine to ensure the accuracy of the single yarn strength test.

10. A method for testing an automated single yarn strength tester, characterized in that: An automated single yarn strength machine as claimed in claim 9 is used, comprising the following steps: S1. When the single yarn strength machine is in use, the winding drum (303) wound with the single yarn needs to be installed through the installation column (302) and evenly distributed on the yarn outlet frame (301), and then the single yarn on the winding drum (303) is pulled out and passed through the inner side of the yarn running frame (204) distributed on the yarn running platform (201), and then further extended and guided through the first extended yarn guide frame (203), and then the single yarn is further pulled out and passed through the inner side of the correspondingly distributed second extended yarn guide frame (403), and then the end of the single yarn is wound around the fastening bolt (405) and further screwed into the yarn fixing seat (404) to achieve the connection and fixation of the single yarn, so that the single yarn is evenly distributed from the front side of the outer shell (101); S2, the yarn-moving platform (201) and the yarn-fixing platform (401) are respectively arranged at the top and bottom of the outer shell (101), and are connected via a U-shaped frame (501); a first motor (503) drives the translation screw (502) to rotate, thereby cooperating with the U-shaped frame (501) to drive the yarn-moving platform (201) and the yarn-fixing platform (401) to translate synchronously, so that a first group of single yarns to be tested moves to a position close to the testing mechanism (6); S3, the controller (9) sets the test parameters, controls the telescopic cylinder (602) to push the connecting plate (603) to move slightly outward, so that the arc-shaped push frame (6081) is close to the position of the single yarn, and the single yarn is also close to between the two rotating parts (703), and the pneumatic telescopic rod (702) is contracted to pull the rotating parts (703) to merge, and then the rubber pad (705) clamps the single yarn, and a plurality of grooves are distributed on the rubber pad (705) to increase the friction force and ensure the stability of the clamping, and then the second motor (606) is driven to drive the bidirectional screw rod (607) to rotate, so that the sliding block (609) drives the two clamping mechanisms (7) to move up and down separately, respectively, to ensure that the yarn is in a straight state; S4, the electric telescopic rod (608) then pushes the pressure sensor (6080) and the arc-shaped push frame (6081) toward the position of the single yarn. During the pushing process, the arc-shaped push frame (6081) adopts an arc design to maintain the stability of the single yarn. The pressure sensor (6080) senses the pressure generated during the pushing in real time, transmits it to the test host (106) for recording and storage, and performs calculation processing, so as to understand the strength data of the yarn; S5. After a group of single yarns has been tested, the first motor (503) drives the translation screw (502) to rotate again, further driving the yarn feeding platform (201) and the yarn fixing platform (401) to translate, and moving the second group of single yarns to a position close to the testing mechanism (6) for testing, and so on. During the translation process, the telescopic cylinder (602) drives the testing mechanism (6) and the clamping mechanism (7) to retract, thereby ensuring a smooth translation operation; S6. After testing, if the clamping surface of the rubber pad (705) is found to be worn, the position of the pressing handle (7042) is manually moved outward, thereby driving the connecting member (7041), the fastening member (7043) and the limiting block (7044) to expand outward, so that the limiting block (7044) is separated from the limiting groove (7052), and then the positioning block (7051) on the rubber pad (705) is moved to separate from the positioning groove (7034), and then the rubber pad (705) is pulled out from the side, so that the plug-in board (7050) is separated from the plug-in groove (7030), thereby completing the disassembly; S7. Reinstall the replaced rubber pad (705) on the rotating member (703). During installation, insert the plug-in plate (7050) into the plug-in slot (7030), and then insert the positioning block (7051) into the positioning slot (7034). At the same time, the fastening member (7043) and the limit block (7044) remain in an unfolded state. After the docking is completed, release the position of the pressing handle (7042) by hand, and use the tension of the tension spring (7040) to drive the connecting member (7041), the fastening member (7043) and the limit block (7044) to merge, so that the limit block (7044) is buckled into the limit slot (7052), thereby achieving stable installation.

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