106 results about "Elasticity Testing" patented technology

The invention relates to the technical field of palm fiber testing, in particular to a palm fiber bending elasticity testing device based on multi-angle adjustment, which comprises a clamping device, a point position adjusting assembly, an angle adjusting assembly and a loading device, the clamping device is arranged above the electronic scale; the point location adjusting assembly is connected with the base; the angle adjusting assembly is connected with the clamping device; the loading device is connected with the point location adjusting assembly; through the point position adjusting assembly and the angle adjusting assembly, bending elasticity testing of different point positions and different angles can be achieved, in the testing process, the loading assembly can drive the clamping assembly to increase the clamping force on the palm fibers along with increase of the bending variation of the palm fibers, it is guaranteed that the palm fibers do not slip or twist in the testing process, and the detection precision is improved; the problems that in the palm fiber testing process, torsion and slippage can occur along with the increase of the bending amount, so that the testing result is inaccurate, and single-point single-angle testing cannot reflect the elasticity of the palm fiber practically are solved.

The invention relates to the field of fabric elasticity testing, in particular to an underwear elasticity and recovery performance testing method based on a human body model.The underwear elasticity and recovery performance testing method comprises the specific steps that firstly, the size of each part of a sample is measured, and the original size Xi0 is obtained; simulating actual wearing of the underwear sample finished product on a human body model device, and measuring the size of each part in a stretching state after the underwear sample finished product is stretched for a certain time to obtain a stretching size XiS; then, the sample is detached and spread on a horizontal table top to be relaxed and recovered, the sizes of all the parts of the sample are measured again after specified relaxation time, and the recovered size XiR is obtained; and finally, calculating the residual elongation and the elastic recovery rate through the following formula: the residual elongation Ei is equal to 100 * (XiR-Xi0) / Xi0, the elastic recovery rate Ri is equal to 100 * (XiS-XiR) / (XiS-Xi0); wherein i = 1, 2,..., i; compared with the prior art, for testing the three-dimensional structure and the dynamic wearing scene of the integrally-formed sports underwear, the problem that an existing testing means is disjointed with the actual use scene of the product is effectively solved.

The utility model provides a polyester silk elasticity testing device which comprises a base, a vertical plate is installed on one side of the upper surface of the base, scale marks arranged from top to bottom are machined on one side face of the vertical plate, and a pulley used for supporting polyester silk is rotatably installed at the upper end of the vertical plate. A column head used for limiting the position of one end of the polyester yarn is installed on the upper portion of the face, away from the scale marks, of the vertical plate, a weight is tied to the end, away from the column head, of the polyester yarn, a vertical groove is machined in the lower portion of one side face of the vertical plate, the weight is arranged in the vertical groove, and the weight is sleeved with a ring. The outer surface of the ring is in threaded connection with a positioning screw used for limiting the relative position of the ring and the weight, and the outer surface of the ring is fixedly connected with two sliding blocks. And two parallel side surfaces of the vertical groove are respectively provided with a vertically-arranged sliding groove. The device has the following beneficial effects that the falling track of the weight is limited under the condition of wire breakage, and the weight is prevented from randomly falling and being damaged.

The utility model discloses a gel pillow elasticity testing device, which comprises a test board, a pressing test structure and two groups of stress detectors, a test board is arranged on the two groups of stress detectors, limiting mechanisms for limiting a gel pillow are arranged at the front end and the rear end of the top of the test board, and two groups of brackets are arranged on the outer walls of the two sides of the test board. A top plate is connected to the four supports, an adjusting part for adjusting the front-back position of the downward-pressing testing structure is arranged on the left side of the upper surface of the top plate and comprises a U-shaped moving box, the opening end of the U-shaped moving box right faces the top of the top plate, the U-shaped moving box is slidably connected with the top plate, and a connecting rod is installed at the top of the U-shaped moving box. According to the gel pillow elasticity testing device, the adjusting part can adjust the front-back position of the pressure applying instrument on the pressing testing structure, elasticity testing can be conducted on different positions of the irregular face of the gel pillow, the accuracy of the elasticity testing of the gel pillow is improved, the gel pillow can be limited through the limiting mechanism, and the gel pillow is prevented from deviating in the pressing testing process.

The utility model discloses an edge plugging frame elasticity testing device, which comprises a base, vertical plates are respectively fixed at two ends of the base, a side plate is arranged at one side end of the base, and a graduated scale is fixed at the top of the side plate; the pressure sensor is located between the two vertical plates and fixedly connected with the vertical plate at one end, and a pressure measuring plate is fixed to the pressure sensor; the sliding pressing plate and the pressure measuring plate are arranged in parallel, the end, away from the pressure measuring plate, of the sliding pressing plate is rotationally connected with an adjusting rod, the adjusting rod is in threaded connection with the vertical plate at the other end, the plate group and the edge plugging frame are placed between the sliding pressing plate and the pressure measuring plate, and the distance between the sliding pressing plate and the pressure measuring plate is obtained by referring to the calibrated scale. According to the utility model, the edge plugging frames which do not meet the requirements can be quickly screened through the testing device, the condition of unreasonable plate group unit cell assembly caused by the use of the edge plugging frames is avoided, the proper edge plugging frames are screened out according to storage batteries of different models, and the use is convenient.

The invention relates to the technical field of ball elasticity detection, in particular to a basketball elasticity testing device and method.The basketball elasticity testing device comprises a testing rack, a testing frame, a feeding mechanism, a circulating mechanism and a control unit, the testing frame is arranged on the testing rack, a testing inlet is formed in the top of the testing frame, and an elasticity detection unit is arranged on the wall face of the testing frame; a first outlet is formed in the left side of the bottom of the testing frame, a second outlet is formed in the front side of the bottom of the testing frame, a sorting unit is further arranged on the second outlet, the feeding mechanism is arranged on the right side of the testing frame and comprises a conveying unit and a clamping unit, and the circulating mechanism is arranged on the first outlet and comprises a sliding way, a containing frame, a label recognizer, a stirring unit and a moving unit. The testing frame, the feeding mechanism and the circulating mechanism are all in circuit connection with the control unit. According to the invention, the same basketball can be circularly detected for multiple times, so that the elasticity data of different positions of the basketball are obtained, and the elasticity uniformity of the basketball is effectively judged.

The invention relates to the field of nitrogen spring elasticity testing, and discloses a detection device and a detection method for nitrogen spring production. The pressing head end is driven by the hydraulic mechanism to press the product, and the lower pressing piece is firstly matched with the clamping piece to drive the clamping piece to clamp the product, so that the stability of the product during detection is improved. After the last stroke of the product is detected to be finished, the pressing piece and the rotating piece are matched for the first time to drive the rotating piece to rotate, the pressing piece and the rotating piece are matched for the second time to drive the driving piece to drive the discharging piece to push the product to discharge, and after discharging is finished, the pressing plate and the reset piece are matched to enable the rotating piece to rotate and reset, and the pressing piece is matched with the rotating piece to finish matching with the rotating piece. According to the invention, a plurality of operations are realized by using a single driving unit, so that the purchase quantity of driving parts is reduced, and the cost is reduced. And meanwhile, an automatic blanking function can be realized, and the operation mode that the to-be-detected products can only be fed and discharged one by one is changed. Therefore, manual operation links can be reduced, the investment of labor cost is reduced, and the detection efficiency is improved.

The utility model relates to the technical field of yarn testing, and discloses a textile yarn elasticity testing mechanism which comprises a working table and supporting legs fixedly connected to the bottom end of the working table, a testing mechanism is arranged at the top end of the working table, a fixing mechanism is arranged on the testing mechanism, a first lead screw is pulled upwards to drive a first pressing plate to move upwards, and a second lead screw is pulled upwards to drive a second pressing plate to move upwards. A sliding block moves and extrudes a spring at the same time, then an inserting block is inserted, a first lead screw is loosened, the spring drives a connecting rod, a first pressing plate and a second pressing plate to move downwards, the inserting block can be limited through the first pressing plate, meanwhile, the second pressing plate can conduct a semi-wrapping state on the top end of a winding rod, and finally the first lead screw is rotated; according to the elastic force testing device, the second pressing plate is driven to move downwards, so that the bottom end of the second pressing plate is tightly attached to the outer wall of the winding rod, yarn wound on the winding rod can be vertically pressed and fixed, the situation that the yarn is loosened and falls off in the elastic force testing process is prevented, and the testing efficiency is improved.

This invention discloses a PCB elasticity testing device, relating to the field of PCB testing technology. The device includes a worktable and a backplate. An X-axis module is fixed on the backplate, and a Z-axis module is mounted on the X-axis module. An elasticity testing component is mounted on the Z-axis module via a first slide rail. A Y-axis module is mounted on the worktable, and a testing platform is mounted on the Y-axis module. By incorporating the elasticity testing component, a constant pressure can be applied to the PCB buttons. The bottom of the elasticity testing piece for the press test is cylindrical, simulating the contact surface of a human finger. The device can repeatedly press to test the lifespan of the PCB buttons. This device eliminates the need for manual pressing, providing fully automated testing. A pressure sensor is mounted above the elasticity testing piece to ensure consistent force during each press.

The invention relates to the field of sock elasticity testing, in particular to an elasticity testing device for sock processing, which comprises a bottom plate, a mounting plate I, a long plate, a sliding block I and the like, the bottom plate is connected with a plurality of mounting plates I; each mounting plate I is connected with a long plate; each long plate is provided with a sliding groove; each sliding groove is slidably connected with a first sliding block. Through the arrangement of a long plate, a first sliding block, an oval mounting shell, an electric clamping device, an electric telescopic rod, an iron sheet and an electromagnet, whether the electromagnet and the iron sheet are separated or not when the telescopic part of the electric telescopic rod retracts is taken as the standard, and when the electromagnet does not attract the iron sheet any more, the electromagnet is driven to rotate. Whether the first sliding block is in contact with the inner wall of the side, close to the center of the bottom plate, of the sliding groove again under the pulling of the sock is taken as the standard, whether the vertical tensile property and the vertical rebound resilience of the sock meet the standard or not can be visually tested, namely whether the vertical elasticity of the sock meets the standard or not is visually tested.

The utility model discloses a kind of electronic cigarette silica gel sealing ring elasticity tester, the tester includes tensile drive mechanism, tensile fixture and temperature simulation mechanism.Tensile drive mechanism is moved by screw rod rotation to drive movable beam, and then realize the tensile operation to silica gel sealing ring, and tensile force sensor can record tensile force data during movable beam movement.Tensile fixture is used to firmly hold silica gel sealing ring, to ensure the accuracy of tensile test.Temperature simulation mechanism can generate hot air and blow to the silica gel sealing ring being stretched, simulate different temperature environment.Through the tester, electronic cigarette silica gel sealing ring can be carried out elasticity test under the temperature condition set, comprehensively assess its elasticity performance under different temperatures, provide reliable basis for the research and development, production and quality control of electronic cigarette sealing ring.

The utility model discloses a device for detecting the elasticity of a piston ring. Comprising a base, a center shaft, a supporting disc, a mounting disc coaxially and fixedly assembled on the center shaft and located below the supporting disc, at least three sets of sliding assemblies evenly distributed in the circumferential direction of the mounting disc and slidably connected with the mounting disc in the radial direction corresponding to the mounting disc, and a driving unit used for driving the multiple sets of sliding assemblies to gather or disperse. The sliding assembly comprises a pair of vertical limiting shafts which are arranged at intervals in the sliding direction and upwards penetrate through the supporting disc, the limiting shafts are rotationally sleeved with rotating sleeves, and a plurality of first strip-shaped through grooves allowing the corresponding limiting shafts to penetrate through are formed in the supporting disc in a penetrating mode. The device can test the piston ring, reduces the placing time of the piston ring, enables the piston ring to be horizontally disposed on the supporting disc, does not need to adjust the specific position of the piston ring, and improves the detection efficiency.

The utility model discloses an elastic force testing device for an elastic sheet. The elastic force testing device comprises a rack body, a clamping assembly and a testing assembly, wherein the clamping assembly and the testing assembly are arranged on the rack body; the clamping assembly is used for pressing the elastic sheet; the clamping assembly comprises a clamping seat plate and a first driving element for driving the clamping seat plate to slide on the rack body, the rack body is provided with at least two groups of sliding rails and sliding blocks sliding on the sliding rails, the sliding blocks are fixedly connected with the clamping seat plate, and the clamping seat plate is provided with a clamping piece for clamping an elastic piece; the testing assembly comprises a testing seat plate installed on the rack body and a second driving element installed on the testing seat plate, the output end of the second driving element is connected with a clamp, and the clamp is used for clamping an elastic force tester. The elastic force tester is driven by the motor to press downwards, the force is uniform and smooth, manual intervention is avoided, the test error is small, and the test efficiency is improved.

The utility model discloses a fabric elasticity testing machine, which relates to the technical field of fabric elasticity testing, and comprises a fixing frame, a connecting rod and a group of machine frames, the upper ends of the group of machine frames are fixedly connected with connecting blocks, the front surfaces of the group of connecting blocks are fixedly connected with fixing blocks, and the fixing blocks are fixedly connected with the connecting rods. The clamping block rotationally connected with the screw rod is pushed to move backwards together by rotating the screw rod, the clamping block is movably clamped in the fixing block through the two sliding blocks fixed on the clamping block, the upper end of fabric is placed between the clamping block and the connecting block, and the clamping block is clamped in the fixing block through the two sliding blocks fixed on the clamping block. The screw rod is reversely rotated to push the clamping block to be clamped with the connecting block so as to fix the fabric, a group of teeth are arranged on the surface of the clamping block, the fabric is subjected to downward pulling force when being subjected to an elasticity test, the friction force between the fabric and the surface of the fabric can be increased due to the teeth, the fabric is effectively prevented from sliding in the test process, and the accuracy of a test result is ensured.

The utility model discloses a spring elasticity testing machine for spring production, which comprises a bottom plate and bases, the bases are fixedly connected to four corners of the bottom of the bottom plate, the rear side of the top of the bottom plate is fixedly connected with a fixing frame, and the bottom of the fixing frame is fixedly connected with an electric telescopic rod. Through the arrangement of the clamping assembly, a user places a spring to be tested above the bottom plate, the clamping assembly clamps the bottom of the spring through the rotating assembly, then the electric telescopic rod is started to drive the multi-layer protruding block to move downwards to make contact with the top of the spring and be clamped tightly, and the upward force of the spring is detected through the pressure sensor; when a threshold value is reached, the electric telescopic rod stops moving downwards continuously, a user determines whether the spring is qualified or not through a scale groove and a pointing rod, and the problems that when a traditional spring elasticity testing machine is used, springs of various sizes cannot be limited, the positions of the springs cannot be well fixed, the springs are prone to disengagement or inclination, and the testing efficiency is high are solved. And the test stability is influenced.

The utility model relates to the field of elastic force testing, and discloses an elastic sheet elastic force testing device and a testing system. The testing device comprises a base, an n-shaped fixing block, a limiting sliding seat and a sliding block, a transverse plate of the n-shaped fixing block and one end of the base are matched with the fixing end of the clamping elastic piece, the limiting sliding seat is fixedly arranged at the top of the transverse plate, a sliding hole is formed in the limiting sliding seat, one end of the sliding block is connected with an external force measuring machine, and the other end of the sliding block is connected with a clamping device. The other end of the sliding block penetrates out of the sliding hole in a matched mode to press the tilting end of the elastic piece, so that the force measuring machine can accurately measure the elastic force of the elastic piece by moving and pressing the sliding block along the sliding hole by a proper distance, the product quality is determined, the testing efficiency and reliability are improved, and meanwhile the testing device is simple in structure and convenient to disassemble.

The invention provides a spring piece elasticity detection tool which ensures the accuracy of a spring piece elasticity test. The device is used for detecting a structure in which a positioning hole is arranged at one end of the length direction of a leaf spring, and is characterized by comprising a vertical frame which comprises four groups of mutually vertical installation positioning frames at the upper part, and the four groups of installation positioning frames are tiled and fixedly connected to form a rectangular enclosure frame; guide rails arranged in the length direction are arranged on four surfaces of each group of mounting positioning frames; the pressing and attaching assembly comprises vertical sliding rail supports on the two sides, a supporting cross beam, a pressure display device, a downward pressing head and a transmission standard part. The spring piece end fixing assembly comprises a fixed mounting block, and a positioning convex column is arranged at the position, corresponding to the positioning hole, of the fixed mounting block; and the spring piece other end supporting assembly comprises a supporting rotating shaft.

The utility model discloses an elasticity testing device for a heat-shrinkable insulating tube, and relates to the field of testing devices. The device comprises a testing machine main body, a vertical frame arranged on the top end face of the testing machine main body, a movable seat and a fixed seat arranged on one side of the vertical frame, a hydraulic cylinder arranged on one side of the vertical frame and used for controlling the movable seat to move up and down, and a display screen arranged on one side of the vertical frame and used for displaying an elastic force detection result. According to the thermal shrinkage insulation tube elasticity testing device, through the arrangement of the tubular heater and the pressing rod moving relative to the tubular heater, elasticity testing in the transverse direction and the vertical direction of the thermal shrinkage insulation tube can be met, and the limitation of a traditional clamping piece on clamping and supporting of the thermal shrinkage insulation tube is solved; and in the testing process, the temperature factor in the testing process of the heat-shrinkable insulating tube can be changed, so that the elasticity of the heat-shrinkable insulating tube can be comprehensively tested, and the practicability is good.

The utility model discloses a kind of elasticity testing devices for silk socks production, it is related to elasticity testing device technical field, comprising: support plate, set in the tensile instrument main body, with tensile instrument main body sliding connection;Support block, set in the tensile instrument main body, with tensile instrument main body fixed connection;Clamping frame, set in the support block, with support block fixed connection;By setting clamping mechanism and clamping frame, the quick clamping fixation of sock is realized, and when using, avoid the hand of operator to produce injury, so that the use of testing device is more secure;By setting buffer mechanism, the sway generated in testing process to tensile instrument main body is buffered, avoid the accuracy of test result is influenced, and tensile instrument main body can be leveled, avoid tensile instrument main body to produce inclination.

This utility model relates to the field of probe inspection technology and discloses a probe elasticity testing device, including a pad. A second slide rail is fixedly connected to the front side of the pad, and a square plate is fixedly connected to one side of the second slide rail. A handle is rotatably connected to one side of the square plate. A gear is passed through and fixedly connected to one side of the handle. A rack is meshed with the bottom of the outer ring of the gear. A fixed box is fixedly connected to the top front side of the pad. A fixed plate is fixedly connected between the inner walls of the fixed box. A support rod is passed through and slidably connected to one side of the fixed plate. A spring is sleeved on the outer ring of the support rod. In this utility model, when a probe is placed between the clamping plates, moving the sliding block drives the first slide rail and the support rod to move, compressing the spring. Then, rotating the handle drives the gear to rotate, which drives the second slide rail and the right-side long plate to move. The clamping plates can quickly fix multiple probes simultaneously, improving the usage effect.

The utility model provides a thermoplastic elastomer elasticity testing device which comprises a supporting frame, a fixing frame and a protective cover are arranged on the supporting frame, a sliding frame is arranged in the protective cover in a sliding fit mode, a first pressing plate is arranged in the fixing frame in a sliding fit mode, a second pressing plate is arranged in the sliding frame in a sliding fit mode, a pull handle is arranged on one side of the sliding frame, and a pressing block is arranged in the pull handle. A pressure sensor is arranged between the pressing block and the pull handle, and a pull rope is arranged on one side of the pressing block. According to the utility model, the protective cover is arranged on the support frame, the elastic body can be protected through the protective cover, so that the elastic body is prevented from rebounding to the periphery after being broken, the damage to equipment and workers is prevented, and the pressure sensor is arranged between the pressing block and the pull handle, so that the force of the sliding frame for pulling the elastic piece can be monitored in real time; and the elasticity of the elastic piece can be measured, so that the elasticity of the elastic piece is judged, the working efficiency is improved, and the measurement accuracy is ensured.

The utility model relates to an elastic testing head which comprises a force sensor and a testing head body, the testing head body is installed at the lower end of the force sensor, the testing head body comprises a connector, a spring, a guide rod and a guide cylinder, the guide cylinder is sleeved on the guide rod, the connector is provided with an installation hole, the guide rod is arranged in the installation hole in a penetrating mode, and the spring is arranged in the installation hole. One end of the spring abuts against the bottom of the mounting hole, the other end of the spring abuts against the guide rod, and the guide cylinder is in threaded connection with the connector. According to the elastic testing head, the force sensor identifies the stress condition of the testing head body, so that stress detection on the key is realized, the position of the spring can be limited through the conical surface at the bottom of the mounting hole and the conical positioning part, and the spring is prevented from being in contact with the inner wall of the mounting hole in a compressed state; the friction force generated by the spring during the second compression is avoided, the detection precision is further improved, and the concentricity of the testing head body is reduced by arranging the smooth part to be matched with the penetrating hole and arranging the limiting groove to be matched with the limiting part.

The utility model discloses an EVA (Ethylene Vinyl Acetate) shoe material elasticity testing device, which comprises a base, a vertical bracket fixedly arranged on the base, a vertically sliding mounting plate arranged on the bracket, a vertical round tube fixedly arranged on the mounting plate, a fixed placing table arranged at the upper end of the base, and an elastic piece arranged at the lower end of the round tube, a strip-shaped seam is formed in one side of the round pipe and arranged along the length of the round pipe, a movable small ball is arranged in the round pipe in a matched mode, a protruding block extending out of the strip-shaped seam is fixedly connected to one side of the small ball, an infrared distance meter for measuring the distance of the small ball is installed at the upper end of the round pipe, and the change of the distance of the small ball in the process is measured through the infrared distance meter. Therefore, the springback height of the small ball can be observed more accurately instead of naked eyes.

The present invention relates to the technical field of rubber product testing, and specifically to a rubber product elasticity testing device and testing method, the rubber product elasticity testing device comprising: a testing machine, the testing machine being provided with a driving mechanism and a bearing platform; a bottom mold being locked on the bearing platform, a loading slot being provided inside the bottom mold, the loading slot being used for interference fitting a test object; a constant pressure portion being fixedly installed at the output end of the driving mechanism; the top of the bottom mold being designed as an open channel, the constant pressure portion being able to enter the channel and apply axial pressure to the test object; a metering structure for detecting the reset height of the test object being installed at the inner top of the bottom mold, a reaction chamber being further provided inside the bottom mold, the reaction chamber being connected to the inner bottom at the circumferential edge of the loading slot, the device of the present invention being capable of both testing the elastic recovery ability of rubber products and monitoring rubber products that have undergone rubber creep.

The application discloses a kind of knitted fabric elasticity testing device, it is related to knitted fabric test technical field.The application includes: frame body, top is equipped with clamp;Rotary testing mechanism.The application reconstructs linear tensile path as rotary winding path, and the fabric is stretched by testing main body rotation, and it is automatically coated with profiled surface, simultaneously, by the friction between profiled surface and fabric, the real friction effect of fabric and human skin is simulated, to measure the deformation behavior and recovery performance of fabric in actual use, cooperate humidity simulation mechanism, can simulate the double influence of sweat on friction behavior and fiber mechanics performance when fabric is stretched, the application adopts the synergistic mechanism of rotary winding, profiled surface and dynamic wetting, simulates the stretching of fabric in joint position in the process of human movement, breaks through the limitation that traditional elasticity test only pays attention to axial performance, and test data is closer to actual wearing experience, and it is matched with actual elasticity performance of fabric.

The invention relates to the technical field of automatic control and liquid viscoelasticity testing, and particularly discloses a simulation detection method for testing liquid viscoelasticity based on an intelligent servo motor, and the method comprises the following steps: presetting a target value of a position; an operation instruction is sent to control the intelligent servo motor to operate; actual operation data are collected, the actual operation data are processed to obtain feedback quantity, and then the feedback quantity is transmitted to the central controller; checking the feedback quantity and a preset target value, and sending out a corresponding control instruction according to a checking error; the operation state is adjusted and corrected through the control instruction; the motion of the intelligent servo motor is monitored in real time, and a position-time curve is generated at the same time; and when the operation state is normal, the target value of the preset position is realized, the cup body circularly reciprocates, and environment simulation required by the liquid is realized. The problems that the structure is complex, the cost is high and a position time curve cannot be set at will due to matching of a gear motor and a cam mechanism can be solved.

A needle tester and a needle testing method, relating to the technical field of needle testing, including a bracket, and further including: a fixed table, arranged on the bracket and used for fixing the needle a to be tested; and a rotating component, arranged on the bracket, and when the rotating component rotates, it provides a swinging arc force for the needle a to be tested. The beneficial effects of the present invention are: a professional tester is designed, which can accurately measure the needle to be tested, so that the acting force for testing the needle is always in a stable position, and the force simulation is more accurate; the tester has multiple functions and can perform resilience testing, bending fatigue testing, anti-bending angle testing and fracture testing.

The utility model discloses a rubber elasticity testing device which comprises a base, positioning rods are fixedly connected to the two sides of the top of the base, a top plate is fixedly connected to the top ends of the positioning rods, a reciprocating motion mechanism is arranged at the bottom of the top plate, and a testing plate is arranged at the bottom of the reciprocating motion mechanism. A positioning hole for a positioning rod to penetrate through is formed in the testing plate, the positioning rod penetrates through the positioning hole, a plurality of first clamps are arranged at the bottom of the testing plate, and a plurality of second clamps corresponding to the first clamps are arranged at the top of the base. A plurality of first clamps are arranged on the testing plate, meanwhile, second clamps corresponding to the first clamps are arranged on the base, the first clamps and the second clamps are used for clamping the two ends of rubber respectively, clamping and fixing of a plurality of pieces of rubber can be completed at the same time, and the reciprocating motion mechanism drives the testing plate to do reciprocating motion. The repeated stretching operation on a plurality of rubbers is realized, and the simultaneous testing operation on the plurality of rubbers can be realized.

The utility model discloses a spandex filament drafting testing device, and particularly relates to the technical field of spandex filament testing, the spandex filament drafting testing device comprises a traction assembly, a testing assembly is arranged in the middle of the front side of the traction assembly, the testing assembly comprises a fourth servo motor, one end of an output shaft of the fourth servo motor is fixedly provided with a rotating plate, and the other end of the output shaft of the fourth servo motor is fixedly provided with a rotating shaft. According to the spandex filament drafting test device, by changing the positions of the two circular shafts, the pressure applied to spandex filaments in a drafting state when the circular shafts rotate can be conveniently controlled, and therefore whether the elasticity of the spandex filaments in the drafting state reaches the standard or not can be conveniently detected; the two circular shafts periodically rotate, so that the elasticity of two groups of spandex filaments can be tested at the same time, and the testing efficiency is higher.