CN117647437A - Single fiber crimping performance tester - Google Patents
Single fiber crimping performance tester Download PDFInfo
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- CN117647437A CN117647437A CN202410116489.2A CN202410116489A CN117647437A CN 117647437 A CN117647437 A CN 117647437A CN 202410116489 A CN202410116489 A CN 202410116489A CN 117647437 A CN117647437 A CN 117647437A
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- 239000000835 fiber Substances 0.000 title claims abstract description 173
- 238000002788 crimping Methods 0.000 title abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 20
- 230000008569 process Effects 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims 4
- 238000012360 testing method Methods 0.000 abstract description 22
- 230000000712 assembly Effects 0.000 description 9
- 238000000429 assembly Methods 0.000 description 9
- 238000011056 performance test Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 5
- 239000004753 textile Substances 0.000 description 5
- 230000001174 ascending effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003811 curling process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920006240 drawn fiber Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 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
- G01N3/02—Details
- G01N3/04—Chucks
-
- 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
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- 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
-
- 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
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic 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
-
- 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
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0417—Chucks, fixtures, jaws, holders or anvils using vacuum
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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 application discloses single fiber crimping performance tester belongs to single fiber performance detection technical field. Mainly comprises a workbench; the sample loading mechanism is used for placing single fibers to be detected and is provided with a sample loading plate arranged on the workbench; the clamping assembly is arranged on the upper template and used for clamping or loosening one end of the single fiber; the negative pressure mechanism is used for carrying out negative pressure attraction on the other end of the single fiber and is provided with a negative pressure box which is slidably arranged on the upper template, and a plurality of groups of threading holes are formed in the negative pressure box. The utility model provides a single fiber crimping capability test appearance is through being provided with negative pressure mechanism and stop gear, carries out prestretching detection with the fibre after the centre gripping is accomplished, prestretches the in-process, and the fibre that does not accord with crimping detection standard then can be torn, can screen out the fibre that does not accord with the standard in advance and clear up, has improved the efficiency of fiber crimping test operation.
Description
Technical Field
The application relates to the technical field of textile detection, in particular to a single fiber crimping performance tester.
Background
Single fibers are used in the textile industry to mean the independent presence of one fiber, without interlacing or combining with other fibers, and can be natural fibers such as cotton, silk, etc., or man-made fibers such as nylon, polyester, etc., and are commonly used as raw materials for making textiles in textile processing. The curl performance test of the single fiber is one of important indexes for measuring the softness and elasticity of the fiber, so that the softness and the processability of the single fiber can be better known through the curl performance test of the single fiber, and references and guidance are provided for the design and the manufacture of textiles;
in the standard GB/T14338-2008 method for testing the crimping performance of short chemical fiber fibers, the number of samples required for one test is 20, and in order to adapt to a large-scale test operation, automatic single fiber crimping performance detection equipment has been produced in the prior art.
The patent with publication number CN117330391A specifically discloses a full-automatic single fiber curl tester and a testing method, wherein the full-automatic single fiber curl tester is provided with holders and air suction assemblies, each group of holders corresponds to one group of fibers, when the curl operation is carried out, one end of each fiber is held by each holder, the other end of each fiber is sucked into a wire placing hole through the air suction assembly, the fiber is prevented from being overlong, and the phenomenon of winding occurs when the fiber is placed in an L shape.
Although the above-mentioned device solves the problem that the plurality of groups of fibers are wound before the fiber curl test operation, in the process of detecting a large number of fibers, the fibers which do not meet the detection standard are inevitably left in practice, for example, when the fibers are clamped by the clamping device during the fiber curl test, the fibers are broken during the clamping process, the fibers with better toughness are not broken during the clamping process, and are broken immediately after the curl test, if the fibers are found and cleaned after the curl test is started, the efficiency of the subsequent fiber curl detection is affected, so that it is necessary to provide a single fiber curl performance tester to solve the above-mentioned problem.
It should be noted that the above information disclosed in this background section is only for understanding the background of the present application concept and, therefore, it may contain information that does not constitute prior art.
Disclosure of Invention
Based on the above problems existing in the prior art, the problems to be solved by the present application are: the single fiber crimping performance tester solves the problem that the fiber cannot be pre-detected before crimping test, so that the subsequent fiber crimping test efficiency is affected.
The technical scheme adopted for solving the technical problems is as follows: a single fiber curl performance tester comprises a workbench; the sample loading mechanism is used for placing single fibers to be detected and is provided with a sample loading plate arranged on the workbench; the clamping assembly is arranged on the upper sample plate and is used for clamping or loosening one end of the single fiber; the negative pressure mechanism is used for carrying out negative pressure attraction on the other end of the single fiber and is provided with a negative pressure box which is slidably arranged on the upper sample plate, and a plurality of groups of threading holes are formed in the negative pressure box; the rubber tube is arranged in the negative pressure box and is communicated with the threading hole; the electric clamping jaw is arranged at the rubber tube; wherein: the rubber tube is suitable for being in an open state under a free state so as to attract the single fibers in the threading holes through negative pressure, and is suitable for being in a closed state under the action of the electric clamping jaw so as to clamp the single fibers, and then the single fibers are pre-detected in the sliding process of the negative pressure box.
Further, go up the model mechanism still including detecting the riser, be provided with stop gear on the lateral wall of detecting the riser, stop gear including set up in detect the lifter on the riser, the lifter with negative pressure box fixed mounting, set up the lift groove in the detection riser, the lifter place in the lift groove, the bottom of lifter with fixed mounting has the third spring between the lift groove, the initial passageway has been seted up on the surface of lifter, swing joint has the pendulum rod on the lift groove, the one end of pendulum rod extends to in the initial passageway and forms the pole head, the initial passageway keep away from the position of pole head is provided with the ascending first passageway of slope, the end of first passageway is provided with the ascending second passageway of slope, first passageway with the junction of second passageway is provided with first resident point, the end intercommunication of second passageway has the ascending third passageway of slope, the second passageway with the junction of third passageway is provided with the second resident point.
Further, the bottom depth of the second channel is higher than that of the first channel, a first contact switch is arranged at a first residence point, a PLC control system is arranged in the upper sample plate, the electric clamping jaw is electrically connected with the PLC control system, and the first contact switch is electrically connected with the PLC control system.
Further, a fourth channel which is inclined downwards is communicated with the tail end of the third channel, a third residence point is arranged at the communication position of the third channel and the fourth channel, a fifth channel which is inclined upwards is arranged at the tail end of the fourth channel, and a fourth residence point is arranged at the communication position of the fifth channel and the fourth channel.
Further, the bottom depth of the third channel is higher than the bottom depth of the second channel, and the bottom depth of the fourth channel is higher than the bottom depth of the second channel.
Further, a sixth channel which is inclined downwards is arranged at the tail end of the fifth channel, a fifth residence point is arranged at the communication position of the fifth channel and the sixth channel, and the tail end of the sixth channel is connected with the initial channel.
Further, a second contact switch is arranged on the sixth channel and is electrically connected with the PLC control system, a slope is arranged at the tail end of the sixth channel, and the highest position of the slope is lower than the depth of the bottom of the slope and forms a transition step.
Further, be provided with the detection frock on the workstation, detect the frock including fixed mounting in supporting seat on the workstation, follow vertical direction on the supporting seat fixed mounting in proper order and go up anchor clamps and lower anchor clamps, go up anchor clamps including fixed mounting two sets of last centre gripping cylinders on the supporting seat, be provided with the upper clamp between the output of last centre gripping cylinder and get the tweezers, lower anchor clamps include fixed mounting two sets of lower centre gripping cylinders on the supporting seat, be provided with down between the lower centre gripping cylinder and press from both sides and get the tweezers.
Further, a clamping mechanism is arranged on the workbench, a driving part is fixedly arranged on the workbench, the clamping mechanism further comprises a sliding seat fixedly arranged at the output end of the driving part, a sliding rod in the horizontal direction is arranged on the workbench, and the sliding seat is sleeved on the surface of the sliding rod in a sliding manner.
Further, fixed mounting has the slip table on the slip table, slidable mounting has the slider on the slip table, one side fixed mounting of slider has the cylinder, the slider with the slip table is the sliding connection of vertical direction, fixed mounting has the base on the slider, the both sides fixed mounting of base has the centre gripping cylinder, the corresponding one side of centre gripping cylinder output is provided with the clamp and gets the tweezers.
The beneficial effects of this application are: the utility model provides a single fiber crimping capability test appearance through being provided with negative pressure mechanism and stop gear, when single fiber crimping test goes on, after the fibre centre gripping is accomplished, staff's accessible presses the negative pressure box, carries out prestretching detection with the fibre after the centre gripping is accomplished, prestretches the in-process, and the fibre that does not accord with crimping detection standard then can be torn, can screen out the fibre that does not accord with the standard in advance and clear up, has improved the efficiency of the crimping test operation of fibre.
In addition to the objects, features, and advantages described above, there are other objects, features, and advantages of the present application. The present application will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is an overall schematic diagram of a single fiber curl performance tester of the present application;
FIG. 2 is an enlarged view of the area A of FIG. 1;
FIG. 3 is an enlarged view of the structure of region B in FIG. 1;
FIG. 4 is an enlarged view of a portion of the clamping mechanism and the negative pressure mechanism of FIG. 1;
FIG. 5 is a side view of the overall structure of FIG. 1;
FIG. 6 is an enlarged view of the structure of area C in FIG. 5;
FIG. 7 is a side cross-sectional view of the clamping mechanism and negative pressure structure of FIG. 4;
FIG. 8 is an enlarged view of the clamping mechanism of FIG. 7;
FIG. 9 is an enlarged view of the negative pressure mechanism of FIG. 7;
FIG. 10 is a schematic view of the negative pressure cartridge of FIG. 4 shown in a cut-away configuration;
fig. 11 is a schematic view of the limiting mechanism in fig. 10.
Wherein, each reference sign in the figure:
1. a work table; 2. a loading mechanism; 21. detecting a vertical plate; 22. applying a template; 23. a support mechanism; 24. a pushing cylinder; 25. a negative pressure pump; 26. a negative pressure pipeline; 27. a first spring;
3. a camera module; 4. a clamping mechanism; 41. a slide; 42. a sliding table; 43. a slide block; 44. a base; 45. a clamping cylinder; 46. clamping forceps; 47. a clamping part;
5. a starting channel; 51. a first channel; 52. a second channel; 53. a third channel; 54. a fourth channel; 55. a fifth channel; 56. a sixth channel; 57. a first dwell point; 58. a second dwell point; 59. a third dwell point; 510. a fourth dwell point; 511. a fifth dwell point;
6. detecting a tool; 61. a support base; 62. a lower clamp; 621. a lower clamping cylinder; 622. the forceps are clamped down; 63. a clamp is arranged; 631. an upper clamping cylinder; 632. the forceps are clamped up; 64. a middle clamp; 641. a middle clamping plate;
7. a clamping assembly; 71. a first clamping plate; 72. a second clamping plate; 73. a first chuck; 74. a second chuck; 8. a negative pressure mechanism; 81. a negative pressure box; 82. a second spring; 83. a rubber tube; 84. a negative pressure suction nozzle;
9. a limiting mechanism; 91. a lifting block; 92. a third spring; 93. swing rod; 931. a club head; 94. a lifting groove; 95. a limit groove; 96. a limiting block; 10. a driving part.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
Embodiment one: the embodiment illustrates the basic structure and the working principle of the single fiber crimping performance tester, and is specific:
as shown in fig. 1, the present application provides a single fiber curl performance tester, comprising a workbench 1, and a sample feeding mechanism 2 arranged on the workbench 1 for pre-clamping a plurality of groups of single fibers, wherein the sample feeding mechanism 2 comprises a detection vertical plate 21 fixedly arranged on the workbench 1, a sample feeding plate 22 for separating and fixing the plurality of groups of single fibers is arranged on the detection vertical plate 21, the fixing and taking of the fibers are carried out on the sample feeding plate 22, and a specific fiber fixing method is described in detail in a second embodiment;
as shown in fig. 1-2, a driving part 10 is fixedly installed on the workbench 1, the driving part 10 may be a driving component such as an air cylinder, a clamping mechanism 4 for clamping single fibers is provided at an output end of the driving part 10, the clamping mechanism 4 includes a sliding seat 41 fixedly connected with the output end of the driving part 10, in this embodiment, the sliding seat 41 is a supporting part of the clamping mechanism 4, meanwhile, a sliding rod (not shown in the drawing) in a horizontal direction is provided on the workbench 1, the sliding seat 41 is slidingly sleeved on a surface of the sliding rod, and when the driving part 10 is started, the sliding seat 41 is adapted to be driven to reciprocate, so as to drive the clamping mechanism 4 to reciprocate in the horizontal direction;
a sliding table 42 is fixedly installed on the sliding seat 41, a sliding block 43 is slidingly installed on the sliding table 42, an air cylinder (not shown in the figure) is fixedly installed on one side of the sliding block 43, and the sliding block 43 is in sliding connection with the sliding table 42 in the vertical direction, so that a worker can control the sliding block 43 to reciprocate in the vertical direction by starting the air cylinder;
a base 44 is fixedly installed on the sliding block 43, the base 44 is a middle section supporting structure of the clamping mechanism 4, as shown in fig. 2, a groove (not shown) is arranged on the base 44, a clamping forceps 46 is fixedly installed in the groove, and one end of the clamping forceps 46 far away from the groove extends to the outer side of the base 44 to form a clamping part 47 for clamping single fibers;
in order to automatically clamp the single fiber, with continued reference to fig. 2, clamping cylinders 45 are fixedly installed on both sides of the base 44, and clamping portions 47 are located between output ends of the clamping cylinders 45, when the clamping cylinders 45 are started, the output ends of the clamping cylinders 45 are suitable for being closed in a corresponding direction so as to drive the clamping portions 47 to clamp the single fiber, and when the clamping cylinders 45 are closed, the clamping portions 47 are spread so as to loosen the single fiber;
when the single fiber crimping performance test starts, a worker starts the driving part 10 to drive the sliding seat 41 to slide on the sliding rod so as to adjust the horizontal position of the clamping mechanism 4, then starts the air cylinder to drive the sliding block 43 to move and simultaneously drive the base 44 to slide on the sliding table 42 in the vertical direction, and after the position adjustment is finished, starts the clamping air cylinder 45 to clamp the single fiber on the upper template 22 so as to facilitate the next fiber crimping performance test operation;
as shown in fig. 1-3, a detection tool 6 for performing single fiber performance curl test is arranged on a workbench 1, a clamping mechanism 4 is suitable for clamping single fibers pre-clamped on a sample feeding mechanism 2, and then the single fibers are horizontally moved by a driving part 10 and conveyed to the detection tool 6 for detection;
the detection tool 6 comprises a supporting seat 61 fixedly arranged on the workbench 1, an upper clamp 63 and a lower clamp 62 are fixedly arranged on the supporting seat 61 along the vertical direction, and the upper clamp 63 and the lower clamp 62 are used for clamping two ends of a single fiber conveyed by the clamping mechanism 4 so as to facilitate the performance test of the single fiber crimping performance;
as shown in fig. 3, the lower clamp 62 has two sets of lower clamping cylinders 621 and lower clamping tweezers 622, while the upper clamp 63 has two sets of upper clamping cylinders 631 and upper clamping tweezers 632, so that a worker can control the upper clamping cylinders 631 and the lower clamping cylinders 621 to drive the upper clamping tweezers 632 and the lower clamping tweezers 622 to approach each other and clamp both ends of a single fiber;
with continued reference to fig. 3, a middle clamp 64 is provided between the upper clamp 63 and the lower clamp 62, while a motor (not shown in the drawing) is fixedly mounted on the supporting base 61, the middle clamp 64 is fixedly mounted with an output end of the motor, and two sets of middle clamping plates 641 are provided at an end of the middle clamp 64 far from the motor, in this embodiment, the combination of the middle clamp 64 and the two sets of middle clamping plates 641 is similar to that of the prior art electric clamping plates, and the middle clamp 64 is started and stopped by electric control, and after the middle clamp 64 is started, the two sets of middle clamping plates 641 are driven to perform relative movement so as to clamp single fibers between the middle clamping plates 641;
after the clamping mechanism 4 clamps the single fiber from the sample feeding mechanism 2, a worker adjusts the clamping mechanism 4 to the position of the detection tool 6 through the control driving part 10, and then starts the sliding block 43 to drive the sliding block 43 to slide in the vertical direction so as to clamp the single fiber clamped on the clamping mechanism 4 by the detection tool 6;
after the position adjustment is completed, the worker starts the upper clamping cylinder 631, the lower clamping cylinder 621 and the middle clamp 64, transfers and clamps the single fiber on the clamping mechanism 4 from three positions, closes the clamping cylinder 45 after the upper clamping forceps 632, the middle clamping forceps 641 and the lower clamping forceps 622 clamp and fix the single fiber, completes the transferring and clamping operation of the clamping mechanism 4, and then can reset the position of the clamping mechanism 4 by starting the driving part 10 and the sliding block 43;
after the upper clamping forceps 632, the middle clamping plate 641 and the lower clamping forceps 622 clamp the single fiber, a worker starts a motor, and the motor rotates to drive the middle clamping tool 64 to rotate, and as the two ends of the single fiber are clamped by the upper clamping forceps 632 and the lower clamping forceps 622, the middle section of the single fiber is curled so as to achieve the purpose of measuring the fiber crimping performance, the crimping performance of the single fiber is determined according to the rotation number of the middle clamping tool 64, and the more the rotation number of the middle clamping tool 64 is, the better the crimping performance of the single fiber is represented;
in order to record the fiber curling process, as shown in fig. 1, a camera module 3 is arranged between a detection tool 6 and a sample loading mechanism 2, the camera module 3 is fixedly arranged on a workbench 1, the camera module 3 comprises a plurality of groups of cameras for recording the test process, and when the fiber curling performance is tested, the camera module 3 can be clamped from a single fiber to a clamped mechanism 4 to be clamped and transported to the detection tool 6, and then the curl test is carried out from the detection tool 6, and the whole process is recorded, so that the complex disc and data statistics after the detection operation are convenient;
in summary, the process of testing the curl performance of the fiber is outlined in this embodiment, from the start of pre-clamping the fiber on the loading mechanism 2, then the fiber is clamped and transported by the clamping mechanism 4, and transported to the detection tool 6 for the curl test, and then the curl performance of the fiber is tested, and the whole process is recorded by the camera module 3, thus completing the task of testing the curl performance of the single fiber.
Embodiment two: the embodiment mainly introduces the structure and the working principle of the sample feeding mechanism 2, and specifically:
as shown in fig. 1 and 4, a clamping assembly 7 for clamping or loosening the upper ends of the single fibers and a negative pressure mechanism 8 for sucking the lower ends of the single fibers are arranged on the upper template 22, wherein the clamping assembly 7 comprises a first clamping plate 71 arranged on the upper template 22 and a second clamping plate 72 arranged outside the first clamping plate 71, and each group of the first clamping plate 71 and the second clamping plate 72 is used for clamping the upper ends of one group of the single fibers, so that the number of the clamping assemblies 7 is equal to the number of the single fibers to be detected, in the application, twenty groups of the clamping assemblies 7 are defined as one group, and the clamping assemblies 7 are positioned on the same horizontal line so as to be convenient for distinguishing and clamping, and a plurality of groups of the clamping assemblies 7 are arranged on the upper template 22 so as to meet the large-scale single fiber testing operation;
the negative pressure mechanism 8 comprises a negative pressure box 81 arranged on the upper template 22, the negative pressure box 81 is used for fixing the lower ends of a batch of single fibers, meanwhile, threading holes (not shown in the figure) are formed in the negative pressure box 81, the number of the threading holes corresponds to the number of the clamping assemblies 7, so that each group of the clamping assemblies 7 and the group of threading wires limit the single fibers to fix the upper ends and the lower ends, and in an embodiment, the number of the negative pressure mechanism 8 corresponds to the batch number of the clamping assemblies 7;
as shown in fig. 4 to 8, one end of the first clamping plate 71 protrudes and forms a first clamping head 73, the second clamping plate 72 is provided with a second clamping head 74 which is matched with the first clamping head 73, and the upper end of the single fiber is clamped between the first clamping head 73 and the second clamping head 74;
a supporting mechanism 23 is fixedly arranged on the rear side of the detection vertical plate 21, and pushing air cylinders 24 (only one batch is shown in the figure) are fixedly arranged on the supporting mechanism 23, wherein the positions and the number of the pushing air cylinders 24 are matched with those of the clamping assemblies 7;
as shown in fig. 8, a pull rod (not shown) is fixedly installed on the second clamping plate 72, one end of the pull rod, which is far from the second clamping plate 72, penetrates through the first clamping plate 71 and is in contact with the output end of the pushing cylinder 24, a first spring 27 is sleeved on the surface of the pull rod, meanwhile, an installation step (not shown) is arranged in the detection vertical plate 21, the installation step is arranged on one side close to the pushing cylinder 24, two ends of the first spring 27 are fixedly connected with the installation step respectively, and one end of the first clamping plate 71, which is far from the second clamping plate 72;
in the initial state, as shown in fig. 4, the first clamping plate 71 and the second clamping plate 72 are in the closed state, in use, a worker is suitable for manually pulling the second clamping plate 72, the second clamping plate 72 is separated from the first clamping plate 71 due to the action of the first spring 27, as shown in fig. 8, and the first clamping head 73 is separated from the second clamping head 74, at this time, the worker can manually place the fiber between the first clamping head 73 and the second clamping head 74 and then release the second clamping plate 72, the second clamping plate 72 is reset to clamp the fiber due to the resilience of the first spring 27, when the fiber needs to be removed from the clamping assembly 7, the worker only needs to actuate the pushing cylinder 24, and the pushing cylinder 24 pushes the second clamping plate 72 out in the direction away from the first clamping plate 71, so that the first clamping head 73 is separated from the second clamping head 74 and the clamping of the fiber is released;
as shown in fig. 5-6, a negative pressure pump 25 (only one group is shown in the figure) corresponding to the negative pressure box 81 is fixedly arranged on the supporting mechanism 23, and the negative pressure pump 25 is mainly used for generating suction to separate and isolate the lower end of the fiber from the suction threading hole so as to avoid winding;
a negative pressure pipe 26 is connected to one side of the negative pressure pump 25 corresponding to the upper template 22, the number of the negative pressure pipes 26 corresponds to the number of the threading holes, a rubber pipe 83 is arranged in the negative pressure box 81, one end of the rubber pipe 83 is communicated with the threading holes, the other end of the rubber pipe 83 is connected with a negative pressure suction nozzle 84, one end of the negative pressure suction nozzle 84 far away from the rubber pipe 83 is connected with the negative pressure pipe 26, so that when the negative pressure pump 25 is started, the lower end of the fiber is suitable for being sucked into the rubber pipe 83 through the threading holes due to the suction force generated by the negative pressure pump 25, and the fiber with a longer length enters the negative pressure suction nozzle 84 and the negative pressure pipe 26;
summarizing: before the fiber crimping performance test starts, a worker can pre-clamp the fiber through the clamping assembly 7, the negative pressure mechanism 8 and the negative pressure pump 25, after the clamping mechanism 4 clamps the fiber, the pushing cylinder 24 can be controlled to release the pre-clamped fiber, the negative pressure pump 25 only isolates the fiber from the rubber tube 83 and does not fix the fiber, and the clamping mechanism 4 directly clamps the fiber away to be connected with the working process of the first embodiment so as to form the completed fiber crimping performance test operation.
Embodiment III: in order to improve the efficiency of fiber detection, fibers which do not meet the detection standard need to be screened out in advance before fiber crimping performance test, this embodiment mainly describes how to implement pre-detection on pre-clamped fibers, and specifically:
in this embodiment, in order to implement pre-detection on the fiber, as shown in fig. 9, a PLC control system is disposed in the upper template 22, and meanwhile, an electric clamping jaw (not shown in the figure) is disposed at the rubber tube 83, in an initial state, the rubber tube 83 is in an open state, when the electric clamping jaw is started, the rubber tube 83 is suitable for being in a closed state under the action of the electric clamping jaw, so as to clamp the other end of the single fiber, and the specific shape can refer to the clamping jaw in the prior art, so as to facilitate the pre-detection of the fiber, and the electric clamping jaw is electrically connected with the PLC system;
as shown in fig. 4, a groove body (not shown in the drawing) adapted to the negative pressure box 81 is formed on the upper template 22, the negative pressure box 81 is slidably connected with the groove body, meanwhile, a plurality of groups of second springs 82 for supporting the negative pressure box 81 are fixedly mounted on the groove body, the bottom of the negative pressure box 81 is fixedly connected with the second springs 82, in an initial state, as shown in fig. 4, the top of the negative pressure box 81 is attached to the top of the groove body, a worker is suitable for manually pressing down the negative pressure box 81, and the negative pressure box 81 automatically resets after releasing;
as shown in fig. 10, a limiting mechanism 9 is provided on the side wall of the detection riser 21, wherein each set of negative pressure boxes 81 corresponds to two sets of limiting mechanisms 9, and the two sets of limiting mechanisms 9 are located at two ends of the negative pressure boxes 81, and for convenience of explanation, one set of limiting mechanisms 9 is described herein;
as shown in fig. 11, the limiting mechanism 9 includes a lifting block 91 provided on the detection riser 21, the lifting block 91 being fixedly connected with the negative pressure box 81 by a bolt;
a lifting groove 94 is formed in the detection vertical plate 21, the lifting block 91 is placed in the lifting groove 94, meanwhile, a third spring 92 is fixedly arranged at the bottom of the lifting groove 94, the other end of the third spring 92 is fixedly arranged with the bottom of the lifting block 91, and when the negative pressure box 81 moves, the negative pressure box is suitable for driving the lifting block 91 to synchronously move and automatically reset, and vice versa;
in order to enable the lifting block 91 to stably move, with continued reference to fig. 11, limiting blocks 96 are fixedly connected to two sides of the lifting block 91, and meanwhile, limiting grooves 95 matched with the limiting blocks 96 are formed in the detection vertical plates 21, the limiting blocks 96 are slidably connected with the limiting grooves 95, the limiting grooves 95 are communicated with the lifting grooves 94, and in the process of moving the lifting block 91 up and down, the lifting block 91 is more stable due to the limiting blocks 96;
as shown in fig. 11, the lifting block 91 is provided with a starting channel 5, meanwhile, the lifting groove 94 is movably connected with a swinging rod 93, one end of the swinging rod 93 extends into the starting channel 5 to form a rod head 931, the initial state is as shown in fig. 11, the rod head 931 is positioned in the starting channel 5, and the initial position of the rod head 931 can be defined as the starting end of the starting channel 5;
the starting channel 5 is provided with a first channel 51 which is inclined upwards away from the starting end, and a second channel 52 which is inclined downwards is arranged at the tail end of the first channel 51, a first standing point 57 is formed at the position where the first channel 51 is communicated with the second channel 52, and the bottom depth of the second channel 52 is higher than that of the first channel 51, so that when the club head 931 enters the second channel 52 from the first channel 51, the club head 931 cannot return to the first channel 51 from the second channel 52;
a first contact switch (not shown) for controlling the actuation of the motorized jaw is provided at the first standing point 57, which is in signal connection with the PLC control system;
the end of the second channel 52 is communicated with a third channel 53 which is inclined upwards, a second standing point 58 is arranged at the communication position between the second channel 52 and the third channel 53, and the bottom depth of the third channel 53 is higher than that of the second channel 52, so that when the club head 931 enters the third channel 53 from the second channel 52, the club head cannot return to the second channel 52 from the third channel 53, and in the embodiment, the position of the second standing point 58 is higher than that of the starting end;
after the fiber is pre-clamped, the clamped fiber needs to be pre-detected, at this time, a worker is suitable for manually pressing the negative pressure box 81, the negative pressure box 81 moves downwards to drive the lifting block 91 to move downwards synchronously, the swing rod 93 does not lift due to the movement of the negative pressure box 81, so that the rod head 931 of the swing rod 93 moves and slides into the first channel 51 from the initial channel 5 and reaches the tail end of the first channel 51, and the rod head 931 cannot continuously move upwards to stay at the first standing point 57 due to the fact that the second channel 52 is an inclined downward channel, so that the lifting block 91 cannot continuously move downwards, and the worker cannot continuously press the negative pressure box 81;
after the club head 931 reaches the first standing point 57, the club head 931 contacts with a first contact switch, the first contact switch sends a signal to a PLC control system, the PLC control system controls the starting of an electric clamping jaw, the rubber tube 83 is locked, and meanwhile the lower end of the pre-clamping fiber is fixed;
the staff can not continuously press the negative pressure box 81 and then can only release the negative pressure box 81, the negative pressure box 81 automatically moves upwards and drives the lifting block 91 to move upwards due to the acting force of the second spring 82, the lifting block 91 moves upwards, the staff can freely observe the batch of fibers at the moment because the second channel 52 is an inclined downward channel, the club head 931 slides from the second channel 52 to the second standing point 58, the lifting block 91 can not return to the initial height position because the position of the second standing point 58 is higher than the position of the initial end, the negative pressure box 81 can not return to the initial height, the negative pressure box 81 stays at the height when no external force acts, and both ends of the fibers are clamped, so that the staff can observe the batch of fibers at first, and broken fibers can be taken out;
with continued reference to fig. 11, a fourth passage 54 is provided obliquely downward at the end of the third passage 53, while a third standing point 59 is provided at the position where the third passage 53 communicates with the fourth passage 54, and the groove bottom depth of the fourth passage 54 is higher than the groove bottom depth of the third passage 53, so that when the head 931 enters the fourth passage 54 from the third passage 53, it is impossible to return from the fourth passage 54 to the third passage 53, and in this embodiment, the height position of the third standing point 59 is higher than the height position of the first standing point 57;
a fifth channel 55 is disposed at the end of the fourth channel 54, and a fourth standing point 510 is disposed at the communication between the fifth channel 55 and the fourth channel 54, and the depth of the bottom of the fifth channel 55 is higher than that of the fourth channel 54, so that when the club head 931 enters the fifth channel 55 from the fourth channel 54, it cannot return to the fourth channel 54 from the fifth channel 55, and it is noted that the height of the fourth standing point 510 is higher than that of the second standing point 58;
after the preliminary observation of the staff is finished, the fiber can be pre-detected, the staff only needs to press the negative pressure box 81 again, the lower movement of the negative pressure box 81 drives the lifting block 91 to move downwards again, the club head 931 slides into the third channel 53 from the second residence point 58 and reaches the third residence point 59, at the moment, the lifting block 91 cannot move downwards continuously, the staff presses the negative pressure box 81, the negative pressure box 81 is pressed again because the height position of the third residence point 59 is higher than the height position of the first residence point 57, the negative pressure box 81 moves downwards for a longer distance relative to the first pressing, the second spring 82 is further pressed, and because both ends of the fiber are clamped, the clamped fiber is stretched for a longer time by the pressing, and the fiber which does not meet the standard is broken in the pressing process;
after the negative pressure box 81 cannot be continuously pressed, the negative pressure box 81 is loosened by a worker, the negative pressure box 81 automatically moves upwards due to the resilience force of the second spring 82 and drives the lifting block 91 to synchronously move upwards, the club head 931 automatically slides downwards to reach the fourth standing point 510 due to the existence of the fourth channel 54, as can be seen from fig. 11, the height position of the fourth standing point 510 is close to the height position of the third standing point 59 but lower than the third standing point 59, so that after the negative pressure box 81 is loosened by the worker, the negative pressure box 81 moves upwards to be shorter, the club head 931 is kept at the fourth standing point 510 due to the existence of the fifth channel 55, and at the moment, the fibers are kept in a longer stretched state, and the worker can sequentially observe whether the batch of fibers are broken or not;
with continued reference to fig. 11, a sixth passage 56 is provided at the end of the fifth passage 55, the end of the sixth passage 56 communicates with the starting passage 5, while a fifth standing point 511 is provided at the communication of the fifth passage 55 and the sixth passage 56, and the groove bottom depth of the sixth passage 56 is higher than the groove bottom depth of the fifth passage 55, so that when the head 931 enters the sixth passage 56 from the fifth passage 55, it is impossible to return from the sixth passage 56 to the fifth passage 55, and in this embodiment, the height position of the fifth standing point 511 is not higher than the height position of the third standing point 59;
a slope (marked in the figure) is arranged at the tail end of the sixth channel 56, the highest position of the slope is higher than the depth of the bottom of the starting channel 5 and forms a transition step, so that the club head 931 cannot enter the sixth channel 56 from the starting channel 5 when sliding in the starting channel 5, and a second contact switch for controlling the closing of the electric clamping jaw is arranged in the sixth channel 56 and is electrically connected with the PLC system;
after the worker secondarily observes the drawn fiber, the fiber without breakage represents that the curl performance detection standard is met, at this time, the pre-detection operation of the fiber is required to be finished, the worker only needs to press the negative pressure box 81 for the third time, the negative pressure box 81 moves down again and drives the lifting block 91 to move down synchronously, due to the existence of the fifth channel 55, the club head 931 moves from the fourth residence point 510 to the fifth residence point 511, the club head 931 cannot move up continuously after reaching the fifth residence point 511, the lifting block 91 cannot move continuously, the worker cannot continuously press the negative pressure box 81, and the negative pressure box 81 cannot return to the lowest position of the secondary press because the height position of the fifth residence point 511 is not higher than the height position of the third residence point 59, so that the drawing length of the fiber is longer than that of the second drawing, and the pre-detection result of the fiber cannot be affected;
after the negative pressure box 81 cannot be continuously pressed, the worker can only loosen the negative pressure box 81, the negative pressure box 81 automatically moves upwards due to the acting force of the second spring 82 and drives the lifting block 91 to synchronously move upwards, the club head 931 enters the starting channel 5 from the fifth parking point 511 position through the sixth channel 56 and returns to the starting end due to the existence of the sixth channel 56, meanwhile, the lifting block 91 is limited without acting force, so that the lifting block 91 returns to the initial position, and the negative pressure box 81 also returns to the initial height;
in the sliding process of the rod head 931 in the sixth channel 56, the rod head 931 is contacted with a second contact switch, the second contact switch sends a signal to a PLC control system, the PLC control system closes an electric clamping jaw, the fixing of the lower end of the fiber is loosened, and the fiber is restored to a pre-clamping state;
in this embodiment, the fiber broken halfway can be picked up after being observed by a worker, and the other end of the broken fiber is inevitably left in the negative pressure pipe 26 during the detection process, and because the negative pressure pump 25 is in a continuous working state, the broken fiber easily enters the negative pressure pump 25 from the negative pressure pipe 26, so that a filter plate is required to be arranged at the communication position between the negative pressure pipe 26 and the negative pressure pump 25 to prevent the fiber from entering the negative pressure pump 25, and the treatment method is one of a plurality of methods and is not limited herein;
summarizing: when the fiber is required to be pre-clamped and detected, only a worker presses the negative pressure box 81 three times, and the situation of the fiber can be observed after the former two presses, so that the fiber which does not meet the detection standard is screened out, and the aim of pre-detecting the fiber is fulfilled.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (10)
1. A single fiber curl performance tester is characterized in that: comprising the following steps: a work table (1); a sampling mechanism (2), wherein the sampling mechanism (2) is used for placing single fibers to be detected, and the sampling mechanism (2) is provided with a sampling plate (22) arranged on the workbench (1); a clamping assembly (7), wherein the clamping assembly (7) is arranged on the upper template (22), and the clamping assembly (7) is used for clamping or loosening one end of a single fiber; the negative pressure mechanism (8) is used for carrying out negative pressure suction on the other end of the single fiber, the negative pressure mechanism (8) is provided with a negative pressure box (81) which is slidably arranged on the upper template (22), and a plurality of groups of threading holes are formed in the negative pressure box (81); a rubber tube (83), wherein the rubber tube (83) is arranged in the negative pressure box (81), and the rubber tube (83) is communicated with the threading hole; an electric clamping jaw which is arranged at the rubber tube (83); wherein: the rubber tube (83) is suitable for being in an open state in a free state so as to attract the single fibers in the threading holes through negative pressure, and the rubber tube (83) is suitable for being in a closed state under the action of the electric clamping jaw so as to clamp the single fibers, and then the single fibers are pre-detected in the sliding process of the negative pressure box (81).
2. A single fiber crimp tester as claimed in claim 1, wherein: the sample feeding mechanism (2) further comprises a detection vertical plate (21), a limit mechanism (9) is arranged on the side wall of the detection vertical plate (21), the limit mechanism (9) comprises a lifting block (91) arranged on the detection vertical plate (21), the lifting block (91) is fixedly arranged with the negative pressure box (81), a lifting groove (94) is formed in the detection vertical plate (21), the lifting block (91) is arranged in the lifting groove (94), a third spring (92) is fixedly arranged between the bottom of the lifting block (91) and the lifting groove (94), an initial channel (5) is formed on the surface of the lifting block (91), a swinging rod (93) is movably connected to the lifting groove (94), one end of the swinging rod (93) extends into the initial channel (5) and forms a rod head (931), a first channel (51) which is inclined upwards is arranged at the position of the initial channel (5), a second channel (52) which is inclined upwards is arranged at the tail end of the first channel (51), a second channel (52) which is inclined upwards is communicated with a second channel (52) which is arranged at the tail end of the first channel (52), a second standing point (58) is arranged at the communication position of the second channel (52) and the third channel (53).
3. A single fiber crimp tester as claimed in claim 2, wherein: the bottom depth of the second channel (52) is higher than that of the first channel (51), a first contact switch is arranged at the first residence point (57), a PLC control system is arranged in the upper sample plate (22), the electric clamping jaw is electrically connected with the PLC control system, and the first contact switch is electrically connected with the PLC control system.
4. A single fiber crimp performance tester according to claim 3, wherein: the tail end of the third channel (53) is communicated with a fourth channel (54) which is inclined downwards, a third residence point (59) is arranged at the communication position of the third channel (53) and the fourth channel (54), a fifth channel (55) which is inclined upwards is arranged at the tail end of the fourth channel (54), and a fourth residence point (510) is arranged at the communication position of the fifth channel (55) and the fourth channel (54).
5. The single fiber crimp tester of claim 4, wherein: the bottom depth of the third channel (53) is higher than the bottom depth of the second channel (52), and the bottom depth of the fourth channel (54) is higher than the bottom depth of the second channel (52).
6. The single fiber curl performance tester of claim 5, wherein: the tail end of the fifth channel (55) is provided with a sixth channel (56) which is inclined downwards, a fifth residence point (511) is arranged at the communication position of the fifth channel (55) and the sixth channel (56), and the tail end of the sixth channel (56) is connected with the starting channel (5).
7. The single fiber crimp tester of claim 6, wherein: the sixth channel (56) is provided with a second contact switch, the second contact switch is electrically connected with the PLC control system, the tail end of the sixth channel (56) is provided with a slope, and the highest position of the slope is lower than the depth of the bottom of the slope and forms a transition step.
8. A single fiber crimp tester as claimed in claim 1, wherein: be provided with on the workstation and detect frock (6), detect frock (6) including fixed mounting in supporting seat (61) on workstation (1), on supporting seat (61) along vertical direction fixed mounting in proper order have anchor clamps (63) and lower anchor clamps (62), on anchor clamps (63) including fixed mounting be in last two sets of centre gripping cylinders (631) on supporting seat (61), be provided with between the output of last centre gripping cylinder (631) and press from both sides and get tweezers (632), down anchor clamps (62) including fixed mounting two sets of centre gripping cylinders (621) down on supporting seat (61), be provided with down between centre gripping cylinders (621) and press from both sides and get tweezers (622).
9. A single fiber crimp tester as claimed in claim 1, wherein: the automatic clamping device is characterized in that a clamping mechanism (4) is arranged on the workbench (1), a driving part (10) is fixedly arranged on the workbench (1), the clamping mechanism (4) further comprises a sliding seat (41) fixedly arranged at the output end of the driving part (10), a sliding rod in the horizontal direction is arranged on the workbench (1), and the sliding seat (41) is sleeved on the surface of the sliding rod in a sliding mode.
10. The single fiber crimp tester of claim 9, wherein: the utility model discloses a pair of tweezers, including slider (41), slip table (41) are gone up, fixed mounting has slip table (42), slidable mounting has slider (43) on slip table (42), one side fixed mounting of slider (43) has the cylinder, slider (43) with slip table (42) are the sliding connection of vertical direction, fixed mounting has base (44) on slider (43), the both sides fixed mounting of base (44) has clamping cylinder (45), clamping cylinder (45) output corresponding one side is provided with and presss from both sides and get tweezers (46).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118090610A (en) * | 2024-04-23 | 2024-05-28 | 常州市华纺纺织仪器有限公司 | Fiber yarn visual detection device |
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