CN118937089B - Textile yarn tensile property detection equipment - Google Patents
Textile yarn tensile property detection equipment Download PDFInfo
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- CN118937089B CN118937089B CN202411435446.7A CN202411435446A CN118937089B CN 118937089 B CN118937089 B CN 118937089B CN 202411435446 A CN202411435446 A CN 202411435446A CN 118937089 B CN118937089 B CN 118937089B
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- 238000001514 detection method Methods 0.000 title claims abstract description 85
- 239000004753 textile Substances 0.000 title claims abstract description 27
- 230000000712 assembly Effects 0.000 claims abstract description 14
- 238000000429 assembly Methods 0.000 claims abstract description 14
- 238000009864 tensile test Methods 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims description 20
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 9
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention provides a textile yarn tensile property detection device, which belongs to the field of textile yarn property detection and comprises a detection table, wherein a tensile testing machine is arranged at the upper end of the detection table, a fixing unit for fixing yarns is arranged above the detection table, and an adjusting unit for adjusting the tensile state of the yarns is arranged at the upper end of the detection table. According to the invention, under the condition that the clamping assembly above is used as a stretching stress point, the yarns can be adjusted to different inclination angles through the adjusting unit to carry out stretching detection, so that the actual stress condition of the yarns in actual use is simulated, and the detection diversity is increased. Meanwhile, under the condition that the clamping assemblies at the upper side and the lower side are only used as clamping points, the clamping assemblies and the driving assemblies can be matched to detect different stretching points from the two sides of the yarn, stretching detection points are increased, the condition that the yarn bears stretching force at different positions in practical application is further simulated, the detecting comprehensiveness is improved, and more real and effective detecting results are obtained.
Description
Technical Field
The invention relates to the field of performance detection of textile yarns, in particular to a device for detecting the tensile performance of textile yarns.
Background
Textile yarns are a continuous thread made from fibers by a spinning process, which is the basic unit constituting various fabrics. In order to ensure that the textile yarn achieves the unified use standard, the tensile property of the textile yarn needs to be detected, wherein the tensile property is a key index for measuring the strength and the ductility of the yarn under the action of external force, and a yarn sample is generally detected by a tensile testing machine so as to measure the maximum tensile force which the yarn can bear before breaking and reflect the toughness and the elasticity of the yarn.
However, in the current process of detecting the stretching performance of the textile yarn, the problem that (1) the yarn is usually stretched in the horizontal or vertical direction, but the yarn in actual use may be in different inclined states, the stretching force applied to the yarn is multi-directional and multi-angle, and the detection result obtained in a single direction is difficult to truly and effectively reflect the stretching performance of the textile yarn.
(2) The detection result obtained by the mode of stretching only the two ends of the yarn is too single, and the defect of stretching detection points can cause certain error or deviation of the detection result, so that the accuracy and the authenticity of the detection result are required to be improved.
Therefore, in order to solve the problems existing in the process of detecting the stretching performance of the textile yarns, the invention provides a device for detecting the stretching performance of the textile yarns.
Disclosure of Invention
The invention provides textile yarn tensile property detection equipment, which comprises a detection table, wherein a tensile testing machine is arranged at the upper end of the detection table, a fixing unit for fixing yarns is arranged above the detection table, an adjusting unit for adjusting the tensile state of the yarns is arranged at the upper end of the detection table, an inverted U-shaped frame is arranged at the upper end of the detection table, the fixing unit and the adjusting unit are both positioned between left and right vertical sections of the inverted U-shaped frame, vertical guide rails are respectively arranged at one sides, close to the left and right vertical sections, of the inverted U-shaped frame, the detection end of the tensile testing machine is slidably arranged between the vertical guide rails through an electric sliding block, the fixing unit comprises two groups of clamping assemblies distributed up and down, the upper clamping assemblies are arranged at the lower part of the detection end, the clamping assemblies comprise fixing plates, the adjusting unit comprises a semi-ring plate arranged at the upper end of the detection table, an arc-shaped through groove is formed in the semi-ring plate, the front end of the lower fixing plate is provided with an arc-shaped through groove, the semi-ring is rotatably arranged between the left and right vertical sections of the inverted U-shaped frame, the vertical sections are respectively, the vertical guide rails are respectively fixedly connected with the left and right vertical sections of the corresponding fixing plates, the left and right vertical guide rails are respectively arranged at the left and right vertical sections, the left and right vertical support frames are respectively arranged at the left and right sides, the right vertical support frames are respectively, the right vertical support frames and are correspondingly arranged, and are correspondingly and vertically arranged, and vertically, and are correspondingly.
In a possible implementation mode, the clamping assembly further comprises a mounting plate, the mounting plate is installed at the rear end of one side, close to each other, of each of the upper and lower fixed plates, the winding column is installed at the front end of the mounting plate, the arc clamping blocks connected with the fixed plates in a sliding mode are arranged on the left side and the right side of each of the winding column, the mounting grooves are formed in the sides, close to each of the upper and lower fixed plates, of each of the upper and lower fixed plates, the L-shaped push plates connected with the mounting grooves in a sliding mode are installed at one ends, close to the fixed plates, of each of the arc clamping blocks, a bidirectional electric push rod fixedly connected with the wall of the mounting grooves is connected between the vertical sections of the L-shaped push plates, limiting rings are installed at one sides, close to each of the left and right arc clamping blocks, of each of the clamping assembly, each of the clamping assembly is provided with a rotating assembly for controlling rotation of the semi-toothed rings, the rotating assembly comprises rotating gears, the rotating gears are meshed with the rotating shafts rotatably installed at the upper ends of the detection tables, and the rear ends of the rotating gears are connected with an output shaft of a motor installed at the upper ends of the detection tables.
In a possible implementation manner, the pressing rods are threaded telescopic rods, the pressing blocks are rotationally connected with telescopic ends of the corresponding pressing rods, guide plates in sliding contact with the pressing blocks are mounted at rear ends of one sides of the left and right vertical plates, opening slots which are uniformly distributed up and down are formed in the guide plates, and the opening slots in the left and right guide plates are distributed in an up-down crossing mode.
In one possible implementation mode, the end of the pressing rod far away from the pressing block is provided with square plates which are connected with the corresponding vertical plates in a vertical sliding mode, the vertical plates are provided with rectangular through grooves, the end of the square plates far away from the pressing rod is provided with bolts which vertically slide to penetrate through the rectangular through grooves, and nuts are arranged on the bolts after the bolts penetrate through the rectangular through grooves.
In one possible implementation mode, rectangular plates which are symmetrical in front and back are arranged at one ends, close to the pressing rods, of the square plates, a rotating shaft fixedly connected with the pressing rods is rotatably arranged between the front rectangular plates and the rear rectangular plates, and a rotating column is arranged after the rotating shaft penetrates through the rectangular plates on the front side.
In one possible implementation mode, the jacks which are uniformly distributed in the circumferential direction are formed in the outer ring surface of the rotating column, and the locating plate located above the rotating column is installed at the front end of the square plate located at the front side and is in plug-in connection with the corresponding jacks through the bolts.
In one possible implementation mode, the fixed section lower extreme of supporting the depression bar all installs the draw runner board, and square board is kept away from the side lower extreme of riser and is articulated to have the flexible post that is located to support the depression bar below, and the flexible end rotation of flexible post is installed and is slided the round pin axle of being connected with draw runner board side to side.
In a possible implementation mode, the drive assembly includes the riser that the side upper end that left and right sides support frame kept away from mutually all installed, installs the diaphragm between the riser about, rotates between the riser upper end about and installs two-way lead screw, and the screw thread cover is equipped with two and controls the movable block of arranging and all controlling sliding connection with the diaphragm on the two-way lead screw, and two-way lead screw rotates to run through behind the riser on right side and be connected with the output shaft of motor two, and motor two passes through the support and installs the right-hand member at the riser on right side.
In one possible implementation mode, the control board is installed in the middle of the rear end of the vertical plate, the square through holes which are symmetrical up and down are formed in the rear end of the moving block, and the connecting frame which is in plug-in fit with the two square through holes on the corresponding moving block is arranged at the rear end of the control board in a front-back sliding mode.
In one possible implementation mode, the support rods are arranged at the rear ends of the mounting plates and the vertical plates at the left side and the right side and are arranged at the rear ends of the mounting plates, the arc-shaped frame arranged at the rear side of the semi-annular plate is arranged at the upper end of the detection table, and the arc-shaped frame is provided with an arc-shaped guide groove which is in sliding connection with the support rods and concentric with the arc-shaped through groove.
The invention has the beneficial effects that 1, under the condition that the clamping component above is used as a stretching stress point, the yarn can be adjusted to different inclination angles through the adjusting unit to carry out stretching detection, the real stress condition of the yarn in actual use is simulated, and the detecting diversity is increased. Meanwhile, under the condition that the clamping assemblies at the upper side and the lower side are only used as clamping points, the clamping assemblies at the upper side and the lower side can be used for detecting different stretching points from the two sides of the yarn by utilizing the matching of the adjusting assemblies and the driving assemblies, stretching detection points are increased, the condition that the yarn bears stretching force at different positions in practical application is further simulated, deviation or error possibly generated due to single point detection is reduced, the comprehensiveness of detection is improved, more real and effective detection results are obtained, and therefore the performance of the yarn can be estimated more accurately.
2. The invention can further simulate the situation that the yarn is likely to be pulled in different directions in actual use by utilizing the supporting force applied to the yarn in different directions and angles by the adjusting component, ensure the authenticity of the detection result, and obtain richer detection results by carrying out stretching detection on the yarn in various states, thereby improving the accuracy and the contrast of the detection result.
In addition to the technical problems, technical features constituting the technical solutions, and beneficial effects caused by the technical features of the technical solutions described above, other technical problems that the textile yarn tensile property detection apparatus provided by the embodiment of the present application can solve, other technical features included in the technical solutions, and beneficial effects caused by the technical features will be further described in detail in the detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a fixing unit and an adjusting unit according to the present invention.
Fig. 3 is a schematic perspective view of an adjusting unit and a driving assembly according to the present invention.
Fig. 4 is a schematic perspective view of a driving assembly and a rotating assembly according to the present invention.
Fig. 5 is a schematic perspective view of a clamping assembly and an adjusting assembly according to the present invention.
Fig. 6 is an enlarged schematic view of the area a in fig. 5 according to the present invention.
Fig. 7 is a schematic perspective view of an adjusting assembly according to the present invention.
The device comprises a detection table 1, a vertical guide rail 11, a fixing unit 21, a fixing plate 211, a support rod 212, an arc-shaped frame 213, an arc-shaped guide groove 23, a winding column 24, an arc-shaped clamping block 25, a mounting groove 26, an L-shaped push plate 27, a bidirectional electric push rod 28, a limiting ring 3, an adjusting unit 31, a semi-annular plate 311, a support frame 312, a vertical plate 313, a pressing rod 314, a pressing block 315, a guide plate 316, an opening slot 318, a square plate 319, a rectangular through groove 32, an arc-shaped through groove 321, a rectangular plate 322, a rotating column 323, an inserting hole 324, a positioning plate 325, a sliding groove plate 326, a telescopic column 33, an arc-shaped plate 331, a vertical plate 332, a transverse plate 333, a bidirectional lead screw 334, a moving block 335, a motor II, a control plate 337, a square through hole 338, a connecting frame 34, a semi-toothed ring 35, a rotating gear 36 and a motor I.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described below and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1, a textile yarn tensile property detection device includes a detection table 1, a tensile testing machine is disposed at an upper end of the detection table 1, a fixing unit 2 for fixing yarn is disposed above the detection table 1, an adjusting unit 3 for adjusting a yarn tensile state is disposed at an upper end of the detection table 1, and the tensile testing machine is in the prior art.
Referring to fig. 1, the inverted u-shaped frame is mounted at the upper end of the detection table 1, the fixing unit 2 and the adjusting unit 3 are both located between the left and right vertical sections of the inverted u-shaped frame, the vertical guide rail 11 is mounted at one side of the inverted u-shaped frame, which is close to the left and right vertical sections, and the detection end of the tensile testing machine is slidably mounted between the vertical guide rails 11 through the electric sliding block.
Referring to fig. 1, fig. 2, fig. 5 and fig. 6, the fixing unit 2 includes two groups of clamping assemblies distributed up and down, and the clamping assemblies located above are disposed at the lower portion of the detection end, the clamping assemblies include a fixing plate 21, a mounting plate is mounted at the rear end of one side of the upper and lower fixing plates 21, a winding column 23 is mounted at the front end of the mounting plate, arc clamping blocks 24 slidingly connected with the fixing plate 21 are mounted at the left and right sides of the winding column 23, friction pads are mounted at the sides of the left and right arc clamping blocks 24, mounting grooves 25 are formed at the sides of the upper and lower fixing plates 21, an L-shaped push plate 26 slidingly connected with the mounting grooves 25 is mounted at one end of the arc clamping blocks 24 close to the fixing plate 21, a bidirectional electric push rod 27 fixedly connected with the walls of the mounting grooves 25 is connected between the vertical sections of the left and right L-shaped push plates 26, and a limit ring 28 is mounted at the sides of the left and right arc clamping blocks 24 in each clamping assembly.
During operation, a section of yarn with proper length is firstly required to be taken out from a textile yarn sample to be tested as a sample according to the test requirement, then the distance between the upper clamping component and the lower clamping component can be adjusted according to the length of the yarn, in the process, the electric sliding block can drive the detection end of the tensile testing machine and the upper clamping component to move to a proper height along the vertical guide rail 11, so that the distance between the upper clamping component and the lower clamping component is smaller than the length of the yarn, and the clamping component can be ensured to smoothly clamp the end part of the yarn.
The lower end of the yarn is clamped and fixed through the clamping assembly at the lower part, in the process, the lower end of the yarn can be clockwise wound on the winding column 23, in addition, a plurality of circles of yarns can be properly wound according to the length of the yarn (only part of yarns are shown in the figure), then the L-shaped push plates 26 at the left side and the right side are driven by the bidirectional electric push rods 27 to synchronously move towards each other along the mounting grooves 25, the arc-shaped clamping blocks 24 synchronously move towards the winding column 23 along with the corresponding L-shaped push plates 26 until the arc-shaped clamping blocks 24 at the left side and the right side simultaneously clamp the yarn wound on the winding column 23, the arc-shaped clamping blocks 24 can squeeze the yarn through friction pads, so that the friction force between the arc-shaped clamping blocks 24 and the yarn is increased, the yarn is ensured to be stably and forcefully clamped, meanwhile, the annular space formed by the left limiting rings 28 and the right limiting rings 28 can further center the yarn, and the upper ends and the lower ends of the yarn are ensured to be in the same straight line direction in a centering state. After the lower end of the yarn is fixed, the upper end of the yarn is clamped and fixed by the clamping component above the lower end of the yarn.
Then, the height and speed of the upward movement of the electric sliding block can be preset through the tensile testing machine to control the tensile force applied to the yarn, then the electric sliding block drives the detection end of the tensile testing machine, the upper clamping assembly and the upper end of the yarn to move upwards along the vertical guide rail 11, the yarn is gradually in a stretched state under the action of the upper clamping assembly and the lower clamping assembly, and the yarn is subjected to the upper tensile force and the lower tensile force in the vertical direction along with the continuous upward movement of the upper clamping assembly until the yarn breaks, so that the tensile detection result of the yarn in the vertical direction is obtained, and the detection data are displayed on the tensile testing machine. In order to obtain a more reliable detection result, the accuracy and comparability of the detection result are ensured, repeated tests can be carried out on a plurality of yarn samples, and the obtained detection result can be analyzed later to determine the quality of the yarn stretching performance.
Referring to fig. 1,2, 3 and 4, the adjusting unit 3 includes a semi-ring plate 31 mounted at the upper end of the detecting table 1, scale marks uniformly distributed circumferentially are engraved at the front end of the semi-ring plate 31, an arc-shaped through groove 32 is formed on the semi-ring plate 31, an arc-shaped plate 33 slidably connected with the arc-shaped through groove 32 is mounted at the front end of the fixing plate 21 located below, a semi-toothed ring 34 fixedly connected with the lower end of the corresponding fixing plate 21 is rotatably mounted at the rear end of the semi-ring plate 31, the semi-toothed ring 34 is concentric with the arc-shaped through groove 32, a rotating assembly for controlling the semi-toothed ring 34 to rotate is disposed at the upper end of the detecting table 1, the rotating assembly includes a rotating gear 35, a rotating gear 35 rotatably mounted at the upper end of the detecting table 1 is meshed at the lower side of the semi-toothed ring 34, and the rear end of the rotating gear 35 is connected with a motor 36 output shaft mounted at the upper end of the detecting table 1.
When the yarn is in a straight state, the upper clamping assembly can be suspended to move upwards, then the motor 36 drives the rotating gear 35 to rotate, the rotating gear 35 drives the half-toothed ring 34 to synchronously rotate along the half-toothed plate 31, the arc-shaped plate 33 synchronously rotates along the arc-shaped through groove 32 along with the half-toothed ring 34, the lower clamping assembly clamps the lower end of the yarn and synchronously rotates along the half-toothed plate 31 through the fixing plate 21, the lower clamping assembly rotates to an inclined state because the upper clamping assembly is kept motionless, the yarn at the moment is in an inclined state, meanwhile, the lower clamping assembly and the lower end of the yarn can be rotated by a proper angle by virtue of the scale mark carved on the front end of the half-toothed plate 31, the inclined angle of the yarn can be recorded, the yarn can be inclined leftwards or rightwards, then the stretching detection on the inclined direction of the yarn can be carried out in the same manner, in addition, the stretching detection on the same inclined angle or different inclined angles can be carried out on a plurality of identical yarn samples, and the actual state of the yarn in actual use can be simulated, and a more comprehensive detection result can be obtained.
Referring to fig. 2, fig. 3, fig. 4, fig. 5 and fig. 7, the adjusting unit 3 further includes an adjusting component for adjusting the yarn stretching point, the adjusting component includes a supporting frame 311, the supporting frame 311 is mounted at the left and right ends of the lower fixing plate 21, the vertical plate 312 is mounted at the upper end of the supporting frame 311 in a sliding manner, multiple groups of pressing rods 313 are disposed at the side of the vertical plate 312, which is close to the vertical plate 312, the pressing rods 313 are threaded telescopic rods, a pressing block 314 is disposed at one end of the pressing rods 313, which is far from the vertical plate 312, the pressing blocks 314 are rotationally connected with the telescopic ends of the corresponding pressing rods 313, a clamping groove is formed in the middle of one end of the pressing blocks 314, which is far from the pressing rods 313, of the rear end of the side, which is close to the vertical plate 312, is mounted with a guide plate 315 in sliding contact with the pressing blocks 314, open slots 316 which are uniformly distributed up and down are disposed on the guide plate 315, the open slots 316 on the left and right guide plate 315 are distributed in a crossing manner, one end of the pressing rods 313, which is far from the pressing rods 313 are disposed at the upper and lower sides of the corresponding vertical plate 312, square plates 318 are in sliding connection, rectangular grooves 319 are disposed on the vertical plate 312, rectangular grooves 319 are disposed at one end of the vertical plate 312, which is far from the rectangular grooves 319, which is far from the upper ends of the pressing rods are mounted, and the rectangular bolts are far from the threaded nuts, and the threaded nuts are mounted.
Referring to fig. 7, rectangular plates 321 which are symmetrical in front and back are installed at one ends of the square plates 318 close to the pressing rods 313, a rotating shaft fixedly connected with the pressing rods 313 is rotatably installed between the front rectangular plates 321 and the rear rectangular plates 321, rotating columns 322 are installed behind the rotating shafts penetrating through the rectangular plates 321 at the front sides, insertion holes 323 which are uniformly distributed in the circumferential direction are formed in the outer ring surfaces of the rotating columns 322, positioning plates 324 which are located above the rotating columns 322 are installed at the front ends of the square plates 318 at the front sides, the positioning plates 324 are in insertion fit with the corresponding insertion holes 323 through insertion pins, sliding groove plates 325 are installed at the lower ends of fixed sections of the pressing rods 313, telescopic columns 326 which are located below the pressing rods 313 are hinged to the lower ends of one sides of the square plates 318 far away from the vertical plates 312, and pin shafts which are connected with the sliding groove plates 325 in a left-right sliding mode are rotatably installed at the telescopic ends 325.
During operation, the inclination angle of the yarn can be adjusted, and the yarn can be stretched from the left side and the right side (namely, perpendicular to the length direction of the yarn) at different points to simulate the tensile force born by the yarn at different positions in practical application. After the yarn is in a straightened state (vertical straightened state or inclined straightened state), the telescopic section of the pressing rod 313 corresponding to the required detection point is rotated, the pressing blocks 314 at this time can correspondingly slide along the guide plate 315, so that the pressing blocks 314 at the left side and the right side are close to the yarn, the rest pressing rods 313 are in a contracted state, the corresponding pressing blocks 314 are located at positions far away from the yarn, the pressing blocks 314 at the required detection point are prevented from being interfered by other yarns when the yarn is pressed, when the yarn is required to be subjected to multi-point and unidirectional detection from the side of the yarn, the telescopic ends of the pressing rods 313 at the required point in the upper side and the lower side can be rotated, the pressing blocks 314 at the required point are uniformly adjusted to a position close to the yarn, when the yarn is required to be subjected to multi-point and bidirectional detection from the side of the yarn, in addition, whether single-point or multi-point detection can be respectively carried out from the left side and the right side of the yarn, simultaneously, the pressing blocks 312 and the rectangular through grooves 319 can be slid downwards along, the vertical plate 312 and the rectangular through grooves 319 can be correspondingly moved to the pressing blocks 314, and the pressing blocks 314 can be synchronously moved to the position of the pressing blocks 314 at the opposite sides, and the position of the pressing blocks can be correspondingly changed to the square pressing blocks 314, and the position of the pressing blocks can be correspondingly moved to the vertical plate 314, and the position of the pressing blocks can be correspondingly moved to the position of the pressing blocks can be matched with the position of the pressing blocks 314 at the position.
When the unidirectional stretching detection is carried out on the yarns from the yarn sides, only the vertical plate 312, the pressing rod 313 and the pressing block 314 on the side needing to apply the stretching force move towards the direction where the yarns are located, when the bidirectional synchronous stretching detection is carried out on the yarns from the side, the vertical plate 312, the pressing rod 313 and the pressing block 314 on the two sides all need to move towards the direction where the yarns are located, the pressing blocks 314 on the left side and the right side need to be adjusted to be in a state of being distributed in a staggered mode up and down in advance, the phenomenon that the yarns cannot be stretched to be broken due to mutual collision of the pressing blocks 314 on the two sides is avoided, in the process that the subsequent vertical plate 312 moves left and right along the supporting frame 311, the guide plate 315 moves synchronously along, and the guide plates 315 on the left side and the right side can be mutually inserted and matched through the opening slots 316 distributed in a staggered mode up and down, so that the movement of the vertical plate 312 can be further guided, the stability between the left vertical plate 312 can be improved, and the structural stability of the whole adjusting unit 3 can be improved.
Meanwhile, the yarn side can apply pressing forces in different directions to the yarn, so as to further simulate the tensile force possibly applied by the yarn in different directions in actual use, in this process, the bolt can be pulled out from the jack 323 and rotate the rotating column 322, the rotating column 322 drives the pressing rod 313 to synchronously rotate around the rotating point between the rotating shaft and the front and rear rectangular plates 321 through the rotating shaft, the pressing rod 313 drives the pressing block 314 to synchronously rotate, so that the inclination adjustment of the pressing rod 314 is realized, the pressing force direction applied by the subsequent pressing block 314 on the yarn is synchronously changed, after the pressing rod 313 and the pressing block 314 rotate to a proper position, the rotating column 322 can be fixed at the lower end of the positioning plate 324 through the cooperation between the inserting rod and the jack 323 again, so as to circumferentially limit the rotating column 322, in addition, in the rotating process of the pressing rod 313, the corresponding pressing column 326 synchronously stretches and rotates around the hinging point between the pressing rod 313, the pressing end of the pressing column 326 can slide left and right along the sliding groove plate 325 through the pin shaft so as to adapt to the rotation of the pressing rod 313, and the pressing rod 313 can stably press the pressing rod 313 and the pressing rod 313 between the pressing rod 313 and the square plate 313 through cooperation between the pressing rod 326 and the pressing rod 313.
In the process of changing the inclination angle of the yarn, the fixing plate 21 in the lower clamping assembly can drive the corresponding vertical plate 312, the pressing rod 313 and the pressing block 314 to synchronously rotate through the supporting frames 311 on the left side and the right side of the fixing plate, so that the adjusting assembly and the yarn keep synchronous inclination state, the yarns are ensured to be always positioned between the pressing blocks 314 on the two sides, the stretching detection of different points can be matched with the stretching detection of different inclination angles, whether the inclination state and the stretching point of the yarns are changed or the direction of the pressing force applied to the yarns is changed, the plurality of yarns are required to be subjected to the comparison stretching detection for many times, so that the authenticity of the detection result is ensured, meanwhile, the inclination angle of the yarns, the position of the stretching point and the pressing force applied to the yarns are required to be recorded, the detection result is conveniently analyzed, the stretching detection under multiple states is carried out on the yarns, the richer detection result can be obtained, the accuracy and the contrast of the detection result are facilitated, and the performance of the yarns can be evaluated more comprehensively.
Referring to fig. 2, fig. 3, fig. 4 and fig. 5, a driving assembly for driving the vertical plate 312 to slide left and right is disposed between the upper ends of the rear sides of the supporting frames 311 on the left and right sides, the driving assembly includes vertical plates 331 mounted on the upper ends of the sides of the left and right supporting frames 311 far away from each other, a transverse plate 332 is mounted between the left and right vertical plates 331, a bidirectional screw 333 is rotatably mounted between the upper ends of the left and right vertical plates 331, two moving blocks 334 which are arranged left and right and are in sliding connection with the transverse plates 332 are sleeved on the bidirectional screw 333 in a threaded manner, the bidirectional screw 333 is connected with an output shaft of the motor two 335 after penetrating through the right vertical plates 331 in a rotating manner, the motor two 335 is mounted on the right end of the right vertical plate 331 through a support, a control plate 336 is mounted in the middle of the rear end of the vertical plate 312, and square through holes 337 which are vertically symmetrical are formed in the rear ends of the moving blocks 334, and a connecting frame 338 which is simultaneously in plug-in fit with the two square through holes 337 on the corresponding moving blocks 334 is slidingly mounted in the front and rear ends of the control plate.
When the yarn tension testing device works, when the yarn tension testing device needs to be subjected to tension testing from one side of the yarn, after the positions of the corresponding pressure-resisting rods 313 and the pressure-resisting blocks 314 are adjusted, the connecting frame 338 is inserted into the square through holes 337 of the corresponding moving blocks 334 from the rear end of the vertical plate 312 at the side required to move in advance and finally inserted into the control board 336, so that the moving blocks 334 are fixed at the rear end of the control board 336, the moving blocks 334 at the other side and the control board 336 are not required to be connected with each other through the connecting frame 338, the two pressure-resisting rods 333 can be driven to rotate through the motor II 335, the moving blocks 334 at the left side and the right side are driven to synchronously move towards each other along the transverse plate 332 while the two pressure-resisting rods 333 rotate, at the moment, the vertical plate 312 at the side required to move synchronously along the upper end of the supporting frame 311 along with the corresponding moving blocks 334 through the cooperation between the control board 336 and the connecting frame 338, the pressure-resisting rods 313 and the pressure-resisting blocks are synchronously moved towards the direction of the yarn along with the vertical plate 312, the abutting blocks 314 are gradually close to and pressed against the yarn, the abutting blocks 314 are matched with the clamping grooves, the yarns can be prevented from sliding when the abutting blocks 314 are pressed against the yarn, the yarn and the yarn is influenced, the yarn is smoothly stretched, the yarn tension is continuously and the yarn tension is continuously kept in the state under the conditions of the opposite side, and the condition that the yarn tension is continuously kept away from the opposite from the side to the pressure-resisting blocks 314.
When it is necessary to simultaneously perform the stretch detection on both sides of the yarn, the fixing between the control board 336 and the moving block 334 on the other side can be completed through the connecting frame 338 in the same manner as described above, at this time, the abutting blocks 314 on both sides of the yarn can synchronously move in opposite directions and abut against the yarn, then the opposite stretch detection can be performed on the yarn in the same manner as described above, and subsequently the stretch detection can be performed on the yarns in different states in the same manner.
Referring to fig. 2,3 and 4, the rear ends of the vertical plates 331 at the rear end and the left and right sides of the mounting plate below are respectively provided with a supporting rod 211, the upper end of the detection table 1 is provided with an arc-shaped frame 212 at the rear side of the semi-ring plate 31, the arc-shaped frame 212 is provided with an arc-shaped guide groove 213 in sliding connection with the supporting rod 211, and the arc-shaped guide groove 213 is concentric with the arc-shaped through groove 32.
During operation, in the process that the adjusting component rotates along with the lower clamping component, the driving component synchronously rotates along with the vertical plate 331, and meanwhile, the support rods 211 at the rear ends of the lower mounting plate and the left and right vertical plates 331 can synchronously slide along the arc-shaped guide grooves 213, and the three-point support and guide can be carried out on the rotation of the adjusting component, the lower clamping component and the driving component by utilizing the cooperation between the support rods 211 and the arc-shaped guide grooves 213, so that the relative stability among the adjusting component, the lower clamping component and the driving component is improved, and the yarn can be ensured to stably and effectively finish stretching detection.
In embodiments of the invention, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, slidably connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intermediate medium, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered by the scope of the present invention.
Claims (10)
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| CN215492853U (en) * | 2021-06-21 | 2022-01-11 | 南京讯能机电设备有限公司 | Tensile force experimental apparatus for cloth |
| CN219977992U (en) * | 2023-04-11 | 2023-11-07 | 广东食品药品职业学院 | A clamping device for testing mechanical properties of biological soft tissue |
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| CN112781978B (en) * | 2021-01-29 | 2024-06-21 | 盐城工学院 | In-situ tester for micromechanics property of variable-angle biaxial stretching and thermal field coupling material |
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| CN215492853U (en) * | 2021-06-21 | 2022-01-11 | 南京讯能机电设备有限公司 | Tensile force experimental apparatus for cloth |
| CN219977992U (en) * | 2023-04-11 | 2023-11-07 | 广东食品药品职业学院 | A clamping device for testing mechanical properties of biological soft tissue |
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