CN114674698B - Yarn performance testing device - Google Patents
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- CN114674698B CN114674698B CN202210582462.3A CN202210582462A CN114674698B CN 114674698 B CN114674698 B CN 114674698B CN 202210582462 A CN202210582462 A CN 202210582462A CN 114674698 B CN114674698 B CN 114674698B
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- 238000012360 testing method Methods 0.000 title claims abstract description 79
- 238000009434 installation Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009941 weaving Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000009940 knitting Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
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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
- G01N3/56—Investigating resistance to wear or abrasion
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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
- G01N3/02—Details
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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
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
-
- 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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- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a yarn performance testing device which comprises a testing box, wherein a fixed frame is fixed at the top of the testing box, a testing groove, a rotating cavity and a linkage cavity are arranged on the inner side of the testing box, the rotating cavity and the linkage cavity are respectively positioned at the bottom and one side of the testing groove, a rotary table is arranged inside the testing groove, four storage boxes are circumferentially arranged at the upper end of the rotary table at equal intervals, a rotary column is fixed at the center of the bottom of the rotary table, the lower end of the rotary column penetrates through the inner bottom wall of the testing groove and is rotationally connected to the inner bottom wall of the rotating cavity, a rotating mechanism connected with the rotary column is arranged inside the rotating cavity, and a lifting cylinder is arranged at the top of the fixed frame. The invention can sequentially complete the wear resistance tests of the yarn in a dry state and in a wet state of three different test liquids, and has convenient and fast whole test process and higher test efficiency.
Description
Technical Field
The invention relates to the technical field of yarn performance testing, in particular to a yarn performance testing device.
Background
Various frictions can exist in yarns in the knitting process of knitted fabrics, including the frictions between the yarns and knitting needles, between the yarns and the like, so that the actual breakage rate of the yarns is highly related to the friction damage, and the actual breakage rate is one of important factors influencing the machine weaving efficiency. The yarns continuously generate friction in the processing processes of warping, weaving and the like, abrasion, fluffing and even breakage are generated, and the quality and the weaving efficiency of the fabric are influenced.
At present, a testing device for testing the wear resistance of yarns generally adopts a friction rod to rub the yarns, and at present, the friction detection of the yarns is usually carried out only in a dry state, so that the friction performance of the yarns in a wet state (such as in acid, alkaline and other liquid environments) is difficult to detect, the testing function is single, the accuracy and the comprehensiveness of the testing result are low, and the testing device is difficult to combine with an actual using effect.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a yarn performance testing device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a yarn performance testing device comprises a testing box, wherein a fixed frame is fixed at the top of the testing box, a testing groove, a rotating cavity and a linkage cavity are arranged on the inner side of the testing box, the rotating cavity and the linkage cavity are respectively positioned at the bottom and one side of the testing groove, a rotary table is arranged inside the testing groove, four storage boxes are arranged at the upper end of the rotary table at equal intervals along the circumferential direction, a rotary column is fixed at the center of the bottom of the rotary table, the lower end of the rotary column penetrates through the inner bottom wall of the testing groove and is rotationally connected to the inner bottom wall of the rotating cavity, a rotating mechanism connected with the rotary column is arranged inside the rotating cavity, a lifting cylinder is arranged at the top of the fixed frame, the telescopic end of the lifting cylinder downwards penetrates through the fixed frame and is fixedly connected with a cross rod, a linkage mechanism connected with the cross rod and the rotating mechanism is arranged inside the linkage cavity, and a hanging mechanism for fixing one end of a yarn is arranged on the inner wall on the left side of the fixed frame, the lower end of the cross rod is provided with a friction mechanism, the inner wall of the right side of the fixing frame is provided with a traction mechanism matched with the suspension mechanism, and the inner top of the fixing frame is provided with a guide mechanism which is positioned in front of the friction mechanism and the traction mechanism and used for guiding yarns.
As a further improvement of the invention, the rotating mechanism comprises a driving plate fixedly sleeved on the rotary column, four clamping grooves are circumferentially and equidistantly arranged on the side wall of the driving plate, a driving lever is arranged inside the rotary cavity, one end of the driving lever penetrates through the inner wall of the rotary cavity and extends into the linkage cavity, a receiving groove is arranged on the side wall of the driving lever, a clamping rod corresponding to the clamping groove is rotatably connected to the inner wall of the receiving groove, a third spring is connected to the inner wall of the receiving groove, and one end of the third spring, far away from the receiving groove, is connected to the clamping rod.
As a further improvement of the invention, the linkage mechanism comprises an inclined rod which is rotatably connected with one end of the shifting rod, which is positioned in the linkage cavity, a movable groove is formed on the inner wall of the left side of the fixed frame, a movable rod which is fixedly connected with the cross rod is slidably connected in the movable groove, and one end of the inclined rod, which is far away from the shifting rod, is rotatably connected with the lower end of the movable rod.
As a further improvement of the invention, the suspension mechanism comprises a fixed cylinder fixedly connected to the inner wall of the fixed frame, a movable block is slidably connected inside the fixed cylinder, a press-closing switch is arranged on the inner wall of the fixed cylinder, a movable rod is fixed on the side wall of the movable block, one end of the movable rod, which is far away from the movable block, penetrates through the fixed cylinder and is fixed with a hook, and a first spring is sleeved on the side wall of the movable rod, which is positioned in the fixed cylinder.
As a further improvement of the invention, the friction mechanism comprises a mounting rod fixedly connected to the lower end of the cross rod, and a friction rod is fixed on the side wall of the mounting rod close to the lower end.
As a further improvement of the invention, the traction mechanism comprises a mounting groove arranged on the outer wall of the fixing frame, a traction rod which is connected with the mounting groove in a sliding way is arranged on the inner wall of the mounting groove in a penetrating way, a strip-shaped groove is arranged on the side wall of the traction rod, a limiting groove is arranged on the inner top wall of the strip-shaped groove, a locking screw rod which is connected with the traction rod in a threaded way is arranged on the top of the traction rod in a penetrating way, the locking screw rod extends into the limiting groove and is connected with a movable pressing block in a rotating way, a reciprocating screw rod which is arranged above the traction rod is arranged inside the mounting groove, both ends of the reciprocating screw rod are connected on the inner wall of the mounting groove in a rotating way, a motor is arranged on the outer wall of the fixing frame, an output shaft of the motor penetrates through the side wall of the fixing frame and is fixedly connected with the end part of the reciprocating screw rod, a screw rod sleeve is sleeved on the reciprocating screw rod sleeve, and a laser emitter is arranged on the upper side wall of the screw rod sleeve, install on the interior roof of mounting groove with laser emitter complex laser receiver, the lower lateral wall of lead screw cover is fixed with the connecting block, connecting block fixed connection is in the upper end of traction rod, be connected with the extension spring on the lateral wall of connecting block, the one end that the connecting block was kept away from to the extension spring is connected on the inner wall of mounting groove.
As a further improvement of the invention, the guide mechanism comprises a fixed rod fixedly connected to the inner top wall of the fixed frame, a guide groove is arranged on the side wall of the fixed rod, a guide wheel is rotatably connected to the inner side wall of the guide groove, an installation hole is formed in the inner top wall of the guide groove, a second spring is arranged in the installation hole, the upper end of the second spring is connected to the inner top wall of the installation hole, and a pressing wheel matched with the guide wheel is fixed at the lower end of the second spring.
As a further improvement of the invention, an unwinding frame is fixed on the outer wall of the right side of the test box, and a yarn coil is sleeved on the unwinding frame.
As a further improvement of the invention, four upper magnetic blocks are fixed at the lower end of the turntable at equal intervals along the circumferential direction, the upper magnetic blocks are positioned right below the storage box, and a lower magnetic block matched with the upper magnetic blocks is fixed on the inner bottom wall of the test slot.
The invention has the beneficial effects that:
1. by arranging the traction mechanism and the suspension mechanism, the yarn on the yarn roll is pulled out and passes through the strip-shaped groove, the space between the pressing wheel and the guide wheel, one end of the yarn is fixed on the hook, the locking screw rod is screwed down, the yarn is fixed through the movable pressing block, the lifting cylinder is started to extend, the cross rod is driven to move downwards, the movable rod drives the friction rod to press the yarn to the storage side and the inner side, the movable rod is pulled to move and compress the first spring, the movable block is separated from the press-closing switch, the press-closing switch is opened, the motor is started, the traction rod can be driven to transversely reciprocate, the yarn is driven to reciprocate and rub the friction rod, the reciprocating movement times of the traction rod can be recorded through the matching of the laser transmitter and the laser receiver, the rubbing times of the yarn are indicated, and after the yarn is broken by friction, the elastic force of the first spring acts on the movable block, the moving block is moved to reset and the press-closed switch is pressed to be closed, so that the motor can be stopped, and the wear resistance of the yarn is tested by recording the friction times of the yarn.
2. Through setting up guiding mechanism, lead to the yarn of test through pinch roller and guide pulley cooperation, guarantee the stability of yarn test, and after the yarn is by frictional fracture, the pinch roller can be pushed down the yarn, is convenient for follow-up pull out the yarn from the yarn book to accomplish subsequent test.
3. Through setting up the revolving stage, the case, rotary mechanism, link gear, through setting up four cases at revolving stage upper end along circumference equidistant, can select one of them case to deposit test liquid, realize the test under the dry state, deposit three kinds of different test liquids in all the other three cases, realize the test under the wet state of three kinds of different test liquids, it moves to drive rotary mechanism through link gear when utilizing the horizontal pole to move up, it rotates ninety degrees to drive the revolving stage, and then can rotate next case to the below of friction lever in proper order, can accomplish the test in proper order, and the efficiency of software testing is improved.
The invention can sequentially complete the wear resistance tests of the yarn in a dry state and in a wet state of three different test liquids, and has convenient and fast whole test process and higher test efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a yarn performance testing device according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 1 at B;
FIG. 4 is an enlarged view at C of FIG. 1;
FIG. 5 is a schematic structural diagram of a friction mechanism of a yarn performance testing device according to the present invention;
FIG. 6 is a schematic structural diagram of a rotating mechanism of a yarn property testing device according to the present invention;
fig. 7 is a schematic structural diagram of a turntable and a storage box of the yarn performance testing device provided by the invention.
In the figure: the device comprises a test box 1, a test slot 2, a turntable 3, a storage box 4, a deflector rod 5, a dial plate 6, a rotary column 7, a rotary cavity 8, a linkage cavity 9, an inclined rod 10, a movable rod 11, a fixed frame 12, a hook 13, a press-closed switch 14, a fixed cylinder 15, a movable block 16, a movable rod 17, a first spring 18, a friction rod 19, a mounting rod 20, a cross rod 21, a movable groove 22, a lifting cylinder 23, a fixed rod 24, a unreeling frame 25, a yarn reel 26, a locking screw 27, a limiting groove 28, a movable pressing block 29, a strip-shaped groove 30, a pulling rod 31, a laser receiver 32, a laser emitter 33, a wire rod sleeve 34, a reciprocating screw rod 35, a motor 36, a connecting block 37, a tension spring 38, a mounting groove 39, a magnetic block on the upper magnetic block 40, a magnetic block under the magnetic block 41, a mounting hole 42, a second spring 43, a pinch roller 44, a guide wheel 45, a clamping groove 46, a clamping groove 47 clamping rod, a third spring 48 and a 49 accommodating groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-7, a yarn performance testing device comprises a testing box 1, a fixed mount 12 is fixed at the top of the testing box 1, a testing slot 2, a rotating cavity 8 and a linkage cavity 9 are arranged on the inner side of the testing box 1, the rotating cavity 8 and the linkage cavity 9 are respectively located at the bottom and one side of the testing slot 2, a turntable 3 is arranged inside the testing slot 2, four storage boxes 4 are circumferentially arranged at equal intervals at the upper end of the turntable 3, a rotating column 7 is fixed at the center of the bottom of the turntable 3, the lower end of the rotating column 7 penetrates through the inner bottom wall of the testing slot 2 and is rotatably connected to the inner bottom wall of the rotating cavity 8, a rotating mechanism connected with the rotating column 7 is arranged inside the rotating cavity 8, a lifting cylinder 23 is arranged at the top of the fixed mount 12, the telescopic end of the lifting cylinder 23 downwards penetrates through the fixed mount 12 and is fixedly connected with a cross rod 21, and a linkage mechanism connected with the cross rod 21 and the rotating mechanism is arranged inside the linkage cavity 9, be equipped with on the left side inner wall of mount 12 and carry out the mechanism that hangs that fixes yarn one end, the lower extreme of horizontal pole 21 is equipped with friction mechanism, friction mechanism includes fixed connection at the installation pole 20 of horizontal pole 21 lower extreme, be fixed with friction lever 19 on the lateral wall that installation pole 20 is close to the lower extreme, be equipped with on the right side inner wall of mount 12 with hang mechanism complex traction mechanism, the interior top of mount 12 is equipped with and is located friction mechanism, before the traction mechanism and be used for the guiding mechanism to the yarn direction, be fixed with unreel frame 25 on the right side outer wall of test box 1, unreel the frame 25 and go up the cover and be equipped with yarn book 26, can the yarn pull out through yarn book 26, and then satisfy the needs of many times test.
In the invention, the rotating mechanism comprises a dial plate 6 fixedly sleeved on the rotating column 7, four clamping grooves 46 are arranged on the side wall of the dial plate 6 at equal intervals along the circumferential direction, a shifting rod 5 is arranged in the rotating cavity 8, one end of the shifting rod 5 penetrates through the inner wall of the rotating cavity 8 and extends into the linkage cavity 9, an accommodating groove 49 is arranged on the side wall of the shifting rod 5, a clamping rod 47 corresponding to the clamping groove 46 is rotatably connected on the inner wall of the accommodating groove 49, a third spring 48 is connected on the inner wall of the accommodating groove 49, one end of the third spring 48, which is far away from the accommodating groove 49, is connected on the clamping rod 47, and the clamping rod 47 can only drive the dial plate 6 to rotate in one direction due to the compression of the third spring 48; the linkage mechanism comprises an inclined rod 10 which is rotatably connected to one end, located in the linkage cavity 9, of the shifting rod 5, a movable groove 22 is formed in the inner wall of the left side of the fixed frame 12, a movable rod 11 fixedly connected with the cross rod 21 is slidably connected in the movable groove 22, and one end, far away from the shifting rod 5, of the inclined rod 10 is rotatably connected with the lower end of the movable rod 11.
The suspension mechanism comprises a fixed cylinder 15 fixedly connected to the inner wall of the fixed frame 12, a moving block 16 is connected to the inside of the fixed cylinder 15 in a sliding manner, a press-closed switch 14 is arranged on the inner wall of the fixed cylinder 15, a moving rod 17 is fixed to the side wall of the moving block 16, one end, far away from the moving block 16, of the moving rod 17 penetrates through the fixed cylinder 15 and is fixed with a hook 13, and a first spring 18 is sleeved on the side wall, located in the fixed cylinder 15, of the moving rod 17; the traction mechanism comprises a mounting groove 39 arranged on the outer wall of the fixed frame 12, a traction rod 31 in sliding connection with the mounting groove 39 is arranged on the inner wall of the mounting groove 39 in a penetrating manner, a strip-shaped groove 30 is arranged on the side wall of the traction rod 31, a limiting groove 28 is arranged on the inner top wall of the strip-shaped groove 30, a locking screw 27 in threaded connection with the traction rod 31 is arranged on the top of the traction rod 31 in a penetrating manner, the locking screw 27 extends into the limiting groove 28 and is rotatably connected with a movable pressing block 29, a reciprocating screw rod 35 positioned above the traction rod 31 is arranged inside the mounting groove 39, two ends of the reciprocating screw rod 35 are rotatably connected to the inner wall of the mounting groove 39, a motor 36 is arranged on the outer wall of the fixed frame 12, an output shaft of the motor 36 penetrates through the side wall of the fixed frame 12 and is fixedly connected to the end part of the reciprocating screw rod 35, a screw rod sleeve 34 is sleeved on the reciprocating screw rod 35, the reciprocating screw rod sleeve 35 rotates for one circle to enable the screw rod sleeve 34 to reciprocate once, laser emitter 33 is installed to the last lateral wall of lead screw cover 34, install on the interior roof of mounting groove 39 with laser emitter 33 complex laser receiver 32, can be to the record of the number of times of traction rod 31 reciprocating motion through laser emitter 33 and the cooperation of laser receiver 32, the lower lateral wall of lead screw cover 34 is fixed with connecting block 37, connecting block 37 fixed connection is in the upper end of traction rod 31, be connected with extension spring 38 on connecting block 37's the lateral wall, the one end that extension spring 38 keeps away from connecting block 37 is connected on the inner wall of mounting groove 39, the pulling force of extension spring 38 is used in on connecting block 37, can make traction rod 31 be located initial position before testing at every turn, the circular telegram circuit of close switch 14 and motor 36 is connected, control motor 36 opens and stops.
Guiding mechanism includes dead lever 24 on the roof in fixed frame 12 of fixed connection, be equipped with the guide way on the lateral wall of dead lever 24, it is connected with guide pulley 45 to rotate on the guide way inside wall, mounting hole 42 has been seted up on the interior roof of guide way, be equipped with second spring 43 in the mounting hole 42, the upper end of second spring 43 is connected on the interior roof of mounting hole 42, the lower extreme of second spring 43 be fixed with guide pulley 45 complex pinch roller 44, lead to the yarn of test through pinch roller 44 and the cooperation of guide pulley 45, guarantee the stability of yarn test, and after the yarn is by frictional fracture, pinch roller 44 can push down the yarn, be convenient for follow-up drawing out from yarn book 26 with the yarn, in order to accomplish subsequent test.
The lower end of the rotary table 3 is fixed with four upper magnetic blocks 40 at equal intervals along the circumferential direction, the upper magnetic blocks 40 are located right below the storage box 4, a lower magnetic block 41 matched with the upper magnetic blocks 40 is fixed on the inner bottom wall of the test slot 2, and the stability of the state of the rotary table 3 can be kept by utilizing the magnetic attraction force of the upper magnetic blocks 40 and the lower magnetic blocks 41.
When the invention is used, the yarn on the yarn coil 26 is pulled out and passes through the strip-shaped groove 30, the pressing wheel 44 and the guide wheel 45, one end of the yarn is fixed on the hook 13, the locking screw 27 is screwed down, the yarn is fixed through the movable pressing block 29, the cross bar 21 is driven to move downwards by starting the lifting cylinder 23 to extend, the friction rod 19 is driven by the mounting rod 20 to press the yarn to the inner side of the storage box 4, the moving rod 17 is pulled to move and compress the first spring 18, the moving block 16 leaves the press-closing switch 14, the press-closing switch 14 is opened, the motor 36 is started, the pull rod 31 can be driven to transversely reciprocate, the yarn is driven to reciprocate to rub with the friction rod 19, the number of times of reciprocating movement of the pull rod 31 can be recorded through the matching of the laser emitter 33 and the laser receiver 32, the number of times of rubbing of the yarn is expressed, and after the yarn is rubbed and broken, the elastic force of the first spring 18 acts on the moving block 16, so that the moving block 16 moves to reset and presses the press-close type switch 14 to be closed, the motor 36 can be stopped, and the wear resistance of the yarn is tested by recording the friction times of the yarn;
when the cross bar 21 moves downwards, the movable bar 11 is driven to move downwards in the movable groove 22, and the inclined bar 10 presses the shift lever 5 to move, so that the third spring 48 can be compressed, and the clamping bar 47 slightly passes over the dial 6, and the dial 6 cannot be driven to rotate.
After the yarn fracture, start the shrink of lift cylinder 23, it shifts up to drive horizontal pole 21, drive movable rod 11 and shift up in movable groove 22, drive driving lever 5 through down tube 10 and reset and remove, when kelly 47 block is in draw-in groove 46, stir driver plate 6 through kelly 47 and rotate ninety degrees, can shift out storage box 4 back at installation pole 20, the drive drives revolving stage 3 and rotates ninety degrees, and then can rotate next storage box 4 to the below of friction lever 19 in proper order, then through unscrewing locking screw 27, repeat above-mentioned operation and fix the yarn back on couple 13, screw up locking screw 27 again, can carry out next test.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (3)
1. The yarn performance testing device comprises a testing box (1) and is characterized in that a fixed frame (12) is fixed at the top of the testing box (1), a testing groove (2), a rotating cavity (8) and a linkage cavity (9) are arranged on the inner side of the testing box (1), the rotating cavity (8) and the linkage cavity (9) are respectively located at the bottom and one side of the testing groove (2), a rotary table (3) is arranged inside the testing groove (2), four storage boxes (4) are circumferentially and equidistantly arranged at the upper end of the rotary table (3), a rotary column (7) is fixed at the center of the bottom of the rotary table (3), the lower end of the rotary column (7) penetrates through the inner bottom wall of the testing groove (2) and is rotatably connected to the inner bottom wall of the rotating cavity (8), a rotating mechanism connected with the rotary column (7) is arranged inside the rotating cavity (8), and a lifting cylinder (23) is arranged at the top of the fixed frame (12), the telescopic end of the lifting cylinder (23) penetrates through the fixing frame (12) downwards and is fixedly connected with a cross rod (21), a linkage mechanism connected with the cross rod (21) and the rotating mechanism is arranged inside the linkage cavity (9), a hanging mechanism used for fixing one end of yarn is arranged on the inner wall of the left side of the fixing frame (12), a friction mechanism is arranged at the lower end of the cross rod (21), a drawing mechanism matched with the hanging mechanism is arranged on the inner wall of the right side of the fixing frame (12), and a guide mechanism which is positioned in front of the friction mechanism and the drawing mechanism and used for guiding the yarn is arranged at the inner top of the fixing frame (12);
the rotating mechanism comprises a driving plate (6) fixedly sleeved on a rotating column (7), four clamping grooves (46) are circumferentially and equidistantly formed in the side wall of the driving plate (6), a driving lever (5) is arranged in a rotating cavity (8), one end of the driving lever (5) penetrates through the inner wall of the rotating cavity (8) and extends into a linkage cavity (9), an accommodating groove (49) is formed in the side wall of the driving lever (5), a clamping rod (47) corresponding to the clamping groove (46) is rotatably connected to the inner wall of the accommodating groove (49), a third spring (48) is connected to the inner wall of the accommodating groove (49), and one end, far away from the accommodating groove (49), of the third spring (48) is connected to the clamping rod (47);
the linkage mechanism comprises an inclined rod (10) which is rotatably connected to one end, located in the linkage cavity (9), of the shifting rod (5), a movable groove (22) is formed in the inner wall of the left side of the fixed frame (12), a movable rod (11) which is fixedly connected with the cross rod (21) is connected in the movable groove (22) in a sliding mode, and one end, far away from the shifting rod (5), of the inclined rod (10) is rotatably connected with the lower end of the movable rod (11);
the suspension mechanism comprises a fixed cylinder (15) fixedly connected to the inner wall of the fixed frame (12), a moving block (16) is connected to the inside of the fixed cylinder (15) in a sliding mode, a press-closed switch (14) is arranged on the inner wall of the fixed cylinder (15), a moving rod (17) is fixed on the side wall of the moving block (16), one end, far away from the moving block (16), of the moving rod (17) penetrates through the fixed cylinder (15) and is fixed with a hook (13), and a first spring (18) is sleeved on the side wall, located in the fixed cylinder (15), of the moving rod (17);
the friction mechanism comprises a mounting rod (20) fixedly connected to the lower end of the cross rod (21), and a friction rod (19) is fixed on the side wall, close to the lower end, of the mounting rod (20);
the traction mechanism comprises a mounting groove (39) arranged on the outer wall of the fixing frame (12), a traction rod (31) connected with the mounting groove in a sliding mode is arranged on the inner wall of the mounting groove (39) in a penetrating mode, a strip-shaped groove (30) is formed in the side wall of the traction rod (31), a limiting groove (28) is formed in the inner top wall of the strip-shaped groove (30), a locking screw (27) connected with the top of the traction rod (31) in a penetrating mode is arranged at the top of the traction rod in a penetrating mode, the locking screw (27) extends into the limiting groove (28) and is rotatably connected with a movable pressing block (29), a reciprocating screw rod (35) located above the traction rod (31) is arranged inside the mounting groove (39), the two ends of the reciprocating screw rod (35) are rotatably connected to the inner wall of the mounting groove (39), a motor (36) is mounted on the outer wall of the fixing frame (12), an output shaft of the motor (36) penetrates through the side wall of the fixing frame (12) and is fixedly connected to the end portion of the reciprocating screw rod (35), the reciprocating screw rod (35) is sleeved with a screw rod sleeve (34), a laser transmitter (33) is installed on the upper side wall of the screw rod sleeve (34), a laser receiver (32) matched with the laser transmitter (33) is installed on the inner top wall of the installation groove (39), a connecting block (37) is fixed on the lower side wall of the screw rod sleeve (34), the connecting block (37) is fixedly connected to the upper end of the traction rod (31), a tension spring (38) is connected to the side wall of the connecting block (37), and one end, far away from the connecting block (37), of the tension spring (38) is connected to the inner wall of the installation groove (39);
the guide mechanism comprises a fixed rod (24) fixedly connected to the inner top wall of the fixed frame (12), a guide groove is formed in the side wall of the fixed rod (24), a guide wheel (45) is rotatably connected to the inner side wall of the guide groove, a mounting hole (42) is formed in the inner top wall of the guide groove, a second spring (43) is arranged in the mounting hole (42), the upper end of the second spring (43) is connected to the inner top wall of the mounting hole (42), and a pressing wheel (44) matched with the guide wheel (45) is fixed to the lower end of the second spring (43); after the yarn fracture, start lift cylinder (23) shrink, drive horizontal pole (21) and shift up, drive movable rod (11) and shift up in activity groove (22), drive driving lever (5) through down tube (10) and reset and move, when card pole (47) block is in draw-in groove (46), stir driver plate (6) through card pole (47) and rotate ninety degrees, can shift out storage box (4) back in installation pole (20), the drive drives revolving stage (3) and rotates ninety degrees, and then can rotate next storage box (4) to the below of friction lever (19) in proper order.
2. The yarn performance testing device as claimed in claim 1, characterized in that an unwinding frame (25) is fixed on the outer wall of the right side of the testing box (1), and a yarn coil (26) is sleeved on the unwinding frame (25).
3. The yarn performance testing device as claimed in claim 1, wherein four upper magnetic blocks (40) are fixed at the lower end of the rotary table (3) at equal intervals along the circumferential direction, the upper magnetic blocks (40) are located right below the storage box (4), and a lower magnetic block (41) matched with the upper magnetic blocks (40) is fixed on the inner bottom wall of the test slot (2).
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| CN114674698B true CN114674698B (en) | 2022-08-12 |
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| GB719086A (en) * | 1951-11-29 | 1954-11-24 | Gordon Alfred Baxandall | A yarn, thread or like testing machine |
| CZ303650B6 (en) * | 2011-09-21 | 2013-01-23 | VÚTS, a.s. | Method of and apparatus for determining surface wear of textile machine components by a moving linear textile material |
| CN104181064B (en) * | 2014-08-25 | 2018-03-20 | 广东溢达纺织有限公司 | Yarn abrasion system safety testing device and abrasion resistance test method |
| CN110926989A (en) * | 2019-11-29 | 2020-03-27 | 湖州甬邦纺织品织造有限公司 | Textile fabric wear resistance testing machine |
| CN111024542A (en) * | 2020-01-11 | 2020-04-17 | 湖南工程学院 | Dry-wet mixed yarn wear resistance testing device |
| CN113358556B (en) * | 2021-06-11 | 2023-06-23 | 青岛大学 | Testing device with inter-yarn friction coefficient and friction fatigue detection functions and application |
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