CN102353585B - Quick clamp for tensile test of PET (polyethylene glycol terephthalate) cotton packing belt - Google Patents
Quick clamp for tensile test of PET (polyethylene glycol terephthalate) cotton packing belt Download PDFInfo
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- CN102353585B CN102353585B CN 201110165930 CN201110165930A CN102353585B CN 102353585 B CN102353585 B CN 102353585B CN 201110165930 CN201110165930 CN 201110165930 CN 201110165930 A CN201110165930 A CN 201110165930A CN 102353585 B CN102353585 B CN 102353585B
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Abstract
The invention discloses a quick clamp for a tensile test of a PET (polyethylene glycol terephthalate) cotton packing belt. A right-lower roller wheel of a roller wheel mechanism is a fixed roller wheel; a left-lower roller wheel and an upper roller wheel are rotating roller wheels; a hold-down mechanism is a symmetrical mechanism consisting of crank sliding block mechanisms which respectively belong to the left side surface and the right side wall of a shell, and a handle for connecting the crank sliding block mechanisms; middle sections on the left side surface and the right side surface of the shell are respectively provided with a long sliding chute; an upper roller wheel shaft penetrates through the upper roller wheel and the sliding chutes, further, two ends of the upper roller wheel shaft are symmetrically connected with the lower ends of connecting rods positioned at the outer sides of the left side surface and the right side surfaces of the shell; the upper ends of the connecting rods are movably connected with a pressing rod through first pins; the head end of the pressing rod is movably connected with second pins which are fixedly connected with the left side surface and the right end surface of the shell; and the tail end of the pressing rod is respectively connected with two ends of the handle. By using the quick clamp, the PET belt can be quickly wound on the quick clamp; the mounting and the unloading of the PET belt are quite convenient and fast; and the quick clamp is a special clamp which does not damage the clamped part of the PET belt and can quickly clamp the PET belt.
Description
Technical field
The present invention relates to PET(polyethylene terephthalate high polymer) fixture that uses in carrying out tension test of cotton tie, be convenient to the quality of the on-the-spot PET of selective examination fast cotton tie.
Background technology
In recent years the packing of PET band is extensively adopted in domestic cotton packing beginning, and PET is a kind of high-density fiber band, is the general advanced macromolecule wrappage of international endorsement, is a kind of novel cotton packing material.At present PET also being required further study for the various environmental performances of cotton tie, is further to improve quality of experiments, guarantees the accuracy of experimental data, and during modified pull-out test, the clamping quality of PET band is key.
At present, the PET cotton tie is with PET to be tested to clamp in the mould jaws that directly is placed in testing machine and is just carried out tension test, during tension test when carrying out tension test, the two ends that is held can rupture prior to the center section of belt, thereby can not measure the actual performance of belt.
In standard " plastic tensile method for testing performance GB/T1040-2006 ", the stretching of plastic tape is not stipulated the clamp method tested does not have specific clamping device yet.
Summary of the invention
The objective of the invention is the deficiency easily first destroyed for overcoming the retaining part when the tension test of PET cotton tie in prior art, a kind of tension test quick-speed jigs that can correct measurement PET cotton tie actual performance is provided.
The technical solution used in the present invention is: housing connects hold-down mechanism, the epimere of housing is the long rectangular block of entity, the stage casing of housing and hypomere have a groove, accommodate idler wheel mechanism in groove, idler wheel mechanism is by the identical right cylinder of upper roller, lower-left roller, these three shapes of bottom right roller and the lower-left axle of lower-left roller is housed, the bottom right axle that the bottom right roller is housed forms; Three rollers become equilateral triangle to be arranged above and below, and the bottom right roller is the roller of fixing, and lower-left roller and upper roller are the rollers that rotates, and leave the gap that adapts with the PET tape thickness between lower-left roller and bottom right roller; The slider-crank mechanism that hold-down mechanism is respectively had by the housing left and right sides and a symmetrical mechanism that handle forms of connecting crank slide block mechanism, the stage casing on the housing left and right sides respectively has a microscler chute; Slider-crank mechanism is comprised of depression bar, connecting rod and upper roller shaft, the second pin, and upper roller shaft passes upper roller is connected the symmetrical lower end that connects the connecting rod in the outside that is positioned at the housing left and right sides, its two ends with chute; The upper end of connecting rod and depression bar are flexibly connected by the first pin; The second pin of depression bar head end and affixed housing left and right sides is flexibly connected, and the depression bar end is connected with the two ends of handle respectively.
The present invention can be wound around the PET band on it when tension test fast, and installation and unloading that PET is with are all easily quick, and processing ease is reliable, and result of use is good, is that a kind of PET that do not damage also can carry out a kind of special fixtures of quick-clamping with the clamping part.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail;
Fig. 1 is stereographic map of the present invention;
Fig. 2 is main TV structure schematic diagram of the present invention;
Fig. 3 is the right view of Fig. 2;
In figure: 1. testing machine chuck; 2. housing; 3. connecting rod; 4. upper roller shaft; 5. lower-left axle; 6. lower-left roller; 7.PET band; 8. bottom right roller; 9. handle; 10 bottom right axles; 11. depression bar; 12. upper roller; 13. chute; 14. the first pin; 15. the second pin.
Embodiment
As shown in Figure 1 and Figure 2, the present invention mainly is comprised of housing 2, hold-down mechanism and idler wheel mechanism.Housing 2 supports the installation combination of whole part, on housing 2, hold-down mechanism is installed.The epimere of housing 2 is the long rectangular block of entity, is tested the part of machine grip holder 1 clamping during as tension test.The stage casing of housing 2 and hypomere have the groove of a symmetry, accommodate idler wheel mechanism in symmetrical groove, and idler wheel mechanism comprises upper roller 12, lower-left roller 6 and bottom right roller 8.
Hold-down mechanism by housing 2 left and right sides each by a slider-crank mechanism and the symmetrical mechanism that forms of handle 9, the slider-crank mechanism of housing 2 left and right sides is connected by a handle 9, center section on housing 2 left and right sides respectively has one and is shaped as microscler chute 13, and microscler chute 13 is arranged up and down.This slider-crank mechanism is comprised of depression bar 11, connecting rod 3 and upper roller shaft 4, the second pin 15.Wherein, upper roller shaft 4 is central shafts of upper roller 12, and rolling with upper roller 12 is connected, and upper roller shaft 4 passes the chute 13 on upper roller 12 and housing 2 left and right sides, and upper roller shaft 4 slides up and down in chute 13.The symmetrical lower end that connects connecting rod 3, the two ends of upper roller shaft 4; Connecting rod 3 is positioned at the outside of housing 2 left and right sides, and the upper end of connecting rod 3 and depression bar 11 are movably connected by the first pin 14; The head end of depression bar 11 and the second pin 15 are flexibly connected, and the second pin 15 is fixedly connected on the left and right sides of housing 2, and the second pin 15 is as the fixture that supports depression bar 11.The end of two depression bars 11 is connected with the two ends of handle 9 respectively.
Idler wheel mechanism is comprised of upper roller 12, lower-left roller 6, bottom right roller 8 and upper roller shaft 4, lower-left axle 5 and bottom right axle 10, and upper roller 12, lower-left roller 6 and bottom right roller 8 these three rollers are all the identical right cylinder rollers of shape.Hypomere in housing 2 left and right sides is drilled with corresponding through hole, be respectively used to install lower-left axle 5 and bottom right axle 10, lower-left axle 5 and bottom right axle 10 are parallel to each other, be positioned at the same level position, lower-left axle 5 and bottom right axle 10 are arranged on respectively lower left quarter and the right lower quadrant of upper roller shaft 4 symmetrically, make upper roller 12 be positioned at the center upper position of lower-left roller 6 and bottom right roller 8 when the position, the top of chute 13, namely three rollers become equilateral triangle to be arranged above and below.Lower-left roller 6 is movably arranged on lower-left axle 5, and bottom right roller 8 is fixedly mounted on bottom right axle 10.Bottom right roller 8 is fixing cylinder roller, and lower-left roller 6 and upper roller 12 are rotor wheels.Leave certain distance between lower-left roller 6 and bottom right roller 8, this distance and PET adapt with 7 thickness.The diameter of upper roller 12, lower- left roller 6,8 three rollers of bottom right roller depends on that PET is with 7 crooked curvature.Lower-left axle 5 is flexibly connected lower-left roller 6; Roller 8 use bottom right axles 10 in bottom right are fixing, and namely lower-left roller 6 is flexibly connected with lower-left axle 5 and is arranged on housing 2 lower left quarters, and bottom right roller 8 is fixedly connected with bottom right axle 10 and is fixedly mounted on housing 2 right lower quadrants.
during tension test, as shown in Figure 2, first with PET with 7 from upwards rotating to the first half cyclotomy of upper roller 12 by up time between lower-left roller 6 and bottom right roller 8, the gap of inserting again upper roller 12 and bottom right roller 8 enters bottom right roller 8 inboards, then will be in upper handle 9 exerts pressure downwards, the a pair of slider-crank mechanism that drives on housing 2 two sides by handle 9 moves simultaneously, after depressing handle 9, one group of symmetrical depression bar 11 moves down, one group of symmetrical depression bar 11 drives a pair of symmetrical connecting rod 3 and also moves downward simultaneously, a pair of symmetrical connecting rod 3 drives upper roller shaft 4 two ends and upper roller 12 moves down from the upper part of chute 13 together, upper roller 12 with PET with the 7 surface of contact parts that are pressed on upper roller 12 and bottom right roller 8, at last handle 9 being pressed to PET is locked fully with 7 two ends, compressing three rollers gets final product, this moment, PET evenly contacted with upper roller 12 with 7 retained part, PET will progressively disperse in the friction force of lower-left roller 6 and upper roller 12 with the 7 test pulling force that are subject to, PET is well protected with the retained part of 7 tests, avoided retained part especially easily to affect the performance of weld zone tension test prior to the fracture of middle weld zone.
Claims (1)
1. PET cotton tie tension test quick-speed jigs, housing (2) connects hold-down mechanism, the epimere of housing (2) is the long rectangular block of entity, the stage casing of housing (2) and hypomere have the groove of a symmetry, it is characterized in that: accommodate idler wheel mechanism in symmetrical groove, idler wheel mechanism is by the identical right cylinder of upper roller (12), lower-left roller (6), these three shapes of bottom right roller (8) and be provided with the lower-left axle (5) of lower-left roller (6), the bottom right axle (10) that is provided with bottom right roller (8) forms; Upper roller (12), lower-left roller (6), bottom right roller (8) become equilateral triangle to be arranged above and below, bottom right roller (8) is the roller of fixing, lower-left roller (6) and upper roller (12) are the rollers that rotates, and leave the gap that the thickness with PET cotton tie (7) adapts between lower-left roller (6) and bottom right roller (8); The symmetrical mechanism that the slider-crank mechanism that described hold-down mechanism is respectively had by housing (2) left and right sides and a handle (9) of connecting crank slide block mechanism form, the stage casing on housing (2) left and right sides respectively has a microscler chute (13); Described slider-crank mechanism is comprised of depression bar (11), connecting rod (3), upper roller shaft (4) and the second pin (15), and upper roller shaft (4) passes upper roller (12) is connected 13 with chute) and the symmetrical lower end that connects the connecting rod (3) in the outside that is positioned at housing (2) left and right sides, its two ends; The upper end of connecting rod (3) and depression bar (11) are flexibly connected by the first pin (14); The second pin (15) of depression bar (11) head end and affixed housing (2) left and right sides is flexibly connected, and depression bar (11) end is connected with the two ends of handle (9) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110165930 CN102353585B (en) | 2011-06-20 | 2011-06-20 | Quick clamp for tensile test of PET (polyethylene glycol terephthalate) cotton packing belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110165930 CN102353585B (en) | 2011-06-20 | 2011-06-20 | Quick clamp for tensile test of PET (polyethylene glycol terephthalate) cotton packing belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102353585A CN102353585A (en) | 2012-02-15 |
| CN102353585B true CN102353585B (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110165930 Active CN102353585B (en) | 2011-06-20 | 2011-06-20 | Quick clamp for tensile test of PET (polyethylene glycol terephthalate) cotton packing belt |
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| CN (1) | CN102353585B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106524868B (en) * | 2016-12-14 | 2022-08-09 | 镇江泰舸电池隔膜科技有限公司 | Battery separator calibrator |
| CN108480955A (en) * | 2018-06-18 | 2018-09-04 | 南京高传电机制造有限公司 | A kind of transmission mechanism in rotor assembly machining production line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19715286C2 (en) * | 1997-04-11 | 2002-04-18 | Kmf Messtechnik Und Verwaltung | Clamping device for tensile and compressive force measuring devices |
| CN201381202Y (en) * | 2009-04-10 | 2010-01-13 | 唐山拓新矿山设备制造有限公司 | Rubber belt clamping and traction device |
| CN201532335U (en) * | 2009-09-28 | 2010-07-21 | 葛洲坝集团试验检测有限公司 | Jig for prism concrete test piece drawing test |
| CN201689010U (en) * | 2010-05-11 | 2010-12-29 | 葛洲坝集团试验检测有限公司 | Self-tightening flexible strap-shaped test sample tensile testing clamp |
| CN102095634B (en) * | 2010-11-26 | 2012-09-26 | 中国船舶重工集团公司第七○二研究所 | Whole-rope powerless winding and clamping device of wire rope |
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| CN102353585A (en) | 2012-02-15 |
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Effective date of registration: 20151029 Address after: Daitou town of Liyang City Ferry Street 213311 Jiangsu city of Changzhou province 8-2 No. 7 Patentee after: Liyang Chang Technology Transfer Center Co., Ltd. Address before: Gehu Lake Road Wujin District 213164 Jiangsu city of Changzhou province No. 1 Patentee before: Changzhou University |