CN114778296B - Testing device and testing method for detecting renewable performance of environment-friendly plastic - Google Patents
Testing device and testing method for detecting renewable performance of environment-friendly plastic Download PDFInfo
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- CN114778296B CN114778296B CN202210458319.3A CN202210458319A CN114778296B CN 114778296 B CN114778296 B CN 114778296B CN 202210458319 A CN202210458319 A CN 202210458319A CN 114778296 B CN114778296 B CN 114778296B
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- 239000004033 plastic Substances 0.000 title claims abstract description 76
- 229920003023 plastic Polymers 0.000 title claims abstract description 76
- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 59
- 239000002985 plastic film Substances 0.000 claims abstract description 51
- 229920006255 plastic film Polymers 0.000 claims abstract description 51
- 230000035699 permeability Effects 0.000 claims abstract description 18
- 238000010998 test method Methods 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 8
- 238000009864 tensile test Methods 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 229920006238 degradable plastic Polymers 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/086—Investigating permeability, pore-volume, or surface area of porous materials of films, membranes or pellicules
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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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The invention discloses a test device and a test method for detecting the renewable performance of environment-friendly plastics, and belongs to the technical field of plastic performance detection. A test device for detecting renewable performance of environmentally friendly plastics, comprising: a support frame; the control sliding blocks are symmetrically connected to the supporting frame in a sliding manner; pulling the spring; a sliding guide bar; a limiting clamping block; rotating the head; according to the environment-friendly plastic film detection device, the environment-friendly plastic film is conveniently fixed through the symmetrically arranged control sliding blocks, the tensile strength of the environment-friendly plastic film is conveniently detected for multiple times through the arranged sliding guide rods, the elastic pull ropes and the pulling springs, meanwhile, the adjustable limiting clamping blocks are matched, the tensile strength is sequentially increased, whether the tensile strength of the environment-friendly plastic film is qualified or not is conveniently detected, meanwhile, the arranged rotatable rotating head is matched with the driving piston, the air permeability of the stretched environment-friendly plastic film can be detected through the air in the driving piston after single detection, and the detection effect is better and accurate.
Description
Technical Field
The invention relates to the technical field of plastic performance detection, in particular to testing equipment and a testing method for detecting the renewable performance of environment-friendly plastics.
Background
The environment-friendly plastic bag comprises a reclaimed plastic bag and a new plastic bag, the plastic bag added with the degradable master batch in the plastic bag production process is called a degradable plastic bag, and the degradable plastic bag can be automatically decomposed under certain conditions after 90 days;
the recycled plastic is the recycled plastic, and is recycled after being subjected to mechanical blade crushing operation, wherein the recycled plastic is a plastic raw material obtained by processing waste plastics by physical or chemical methods such as pretreatment, melting granulation, modification and the like, and is the recycled plastic;
the quality of the recycled plastic can be ensured only by accurately mastering various performance indexes of the recycled material, and the quality of the recycled plastic can be scientifically and reasonably evaluated and can be more effectively and scientifically recycled, so that the high efficiency and high value of the waste plastic can be better realized;
the existing method for detecting the stretching and the air permeability of the recycled plastic mainly comprises the step-by-step detection, but the air permeability of the recycled plastic is influenced after the recycled plastic is stretched, so that the air permeability of the recycled plastic is not accurately detected through the step-by-step detection, and the use environment of the recycled plastic is limited;
meanwhile, when the tensile strength of the recycled plastic is detected, the recycled plastic is mostly directly pulled to the maximum, the tensile property of the recycled plastic with different strength cannot be detected, the specific condition of the recycled plastic when being stretched cannot be detected, the detection effect is inaccurate, and the use environment of the recycled plastic is limited.
Disclosure of Invention
The invention aims to solve the problems that the existing method for detecting the stretching and the air permeability of the recycled plastic is mostly to detect step by step, but the air permeability of the recycled plastic is influenced after the recycled plastic is stretched, so that the air permeability of the recycled plastic is not accurately detected through step by step detection, and the use environment of the recycled plastic is limited; meanwhile, when the tensile strength of the recycled plastic is detected, the tensile strength is mostly directly pulled to the maximum, the tensile property of the recycled plastic with different force cannot be detected, the specific condition of the recycled plastic when the recycled plastic is stretched cannot be detected, the detection effect is inaccurate, and the use environment of the recycled plastic is limited.
In order to achieve the purpose, the invention adopts the following technical scheme:
a test device for detecting renewable performance of environmentally friendly plastics, comprising: a support frame; the driving piston is fixedly connected to the supporting frame; the control sliding blocks are symmetrically connected to the supporting frame in a sliding manner and used for clamping the environment-friendly plastic; the two ends of the pulling spring are respectively and fixedly connected to the control slide block and the supporting frame; the sliding guide rod is connected in the driving piston in a sliding mode and used for stretching environment-friendly plastics; the upper end of the sliding guide rod is connected with the control slide block through an elastic pull rope; the limiting clamping block is arranged on the supporting frame and used for limiting the distance between the two control sliding blocks; the rotating head is symmetrically and rotatably connected to the limiting clamping block and used for detecting the air permeability of the environment-friendly plastic.
For the convenience of the sliding of the control sliding block, preferably, the side wall of the control sliding block is fixedly connected with a sliding block, the sliding block is matched with the limiting clamping block, the support frame is fixedly connected with a sliding groove, and the sliding block is slidably connected in the sliding groove.
In order to facilitate the adjustment of the position of the limiting clamping block, preferably, the support frame is rotatably connected with a rotating shaft and a threaded rod, the rotating shaft is located on one side, away from the sliding guide rod, of the control slider, the threaded rod is in threaded connection with the limiting clamping block, an upper rotating gear and a first bevel gear are fixedly connected to the rotating shaft, a second bevel gear is fixedly connected to the threaded rod, the first bevel gear is meshed with the second bevel gear, and an upper clamping tooth meshed with the upper rotating gear is fixedly connected to the control slider.
In order to drive the sliding guide rod conveniently, preferably, the support frame is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a cam, the cam is provided with a T-shaped sliding groove, the upper end of the sliding guide rod is fixedly connected with a T-shaped sliding block, and the T-shaped sliding block is connected in the T-shaped sliding groove in a sliding manner.
In order to facilitate the detection of the air permeability of the environmentally-friendly air permeable film, it is preferable that the environmentally-friendly air permeable film further comprises: an upper detection groove is arranged in the rotating head at the upper end; a lower detection groove is arranged in the rotating head at the lower end; the driving sliding column is fixedly connected to the sliding guide rod and is connected in the driving piston in a sliding manner; the driving piston is internally provided with a control cavity and a driving cavity, the driving cavity and the control cavity are respectively positioned at the upper end and the lower end of the driving sliding column, and the driving cavity is provided with a driving inlet pipe; the two ends of the driving outlet pipe are respectively and fixedly communicated with the driving cavity and the upper detection groove; the detection plate is connected in the lower detection groove in a sliding manner; the two ends of the detection spring are respectively and fixedly connected to the detection plate and the lower detection groove; wherein, the upper end be equipped with from the moving chamber in the head rotates the moving chamber and advances the pipe with the control chamber through control and communicate with each other, from moving intracavity sliding connection has driven control panel, driven control panel is used for controlling the closure of drive exit tube, driven control panel passes through driven spring with the head that rotates and fixes continuously.
In order to ensure the stability of the connection of the rotating heads, preferably, magnetic blocks are fixedly connected to both the rotating heads, and the two magnetic blocks are magnetically attracted.
In order to facilitate driving the rotating head, it is preferable that: a lower rotating gear fixedly connected to the rotating head; the lower sliding cavity is arranged in the limiting clamping block; the lower sliding column is connected in the lower sliding cavity in a sliding mode; a lower toothed plate is fixedly connected to the lower sliding column, and the lower rotating gear is meshed with the lower toothed plate; the two ends of the lower sliding spring are respectively and fixedly connected to the lower sliding cavity and the lower sliding column; an upper sliding chamber disposed within the control slide; the two ends of the upper sliding conduit are respectively fixedly communicated with the upper sliding cavity and the lower sliding cavity; an upper sliding column slidably connected in the upper sliding cavity; the two ends of the upper sliding spring are respectively and fixedly connected in the upper sliding cavity and the upper sliding column; a connecting column fixedly connected to the upper sliding column; and the fixed sliding rod is fixedly connected to the support frame and is matched with the connecting column.
For the convenience of the extrusion direction effect of the connecting column on the upper sliding column, preferably, the connecting column comprises a first sliding rod, a second sliding rod and a sliding rod spring, the first sliding rod is connected with the second sliding rod in a sliding mode, and two ends of the sliding rod spring are fixedly connected to the first sliding rod and the second sliding rod respectively.
In order to fix the environment-friendly plastic film conveniently, preferably, a sliding pressure plate is connected in the control sliding block in a sliding mode, a compression nut is connected on the sliding pressure plate in a rotating mode, and the compression nut is connected with the control sliding block in a threaded mode.
A test method for detecting the renewable performance of environment-friendly plastics mainly comprises the following steps:
s1, mounting and fixing two ends of environment-friendly plastic on two control sliding blocks;
s2, starting a driving motor to drive a cam to rotate so as to extrude and drive a sliding guide rod to slide in a reciprocating manner in a driving piston;
when the sliding guide rod moves downwards, the sliding block is tightly attached to the limiting clamping block through the elastic pull rope, and the sliding guide rod can extrude to drive the environment-friendly plastic film to stretch;
when the sliding guide rod moves upwards, the elastic pull rope is loosened, the spring is pulled to pull the control slide block to slide, and the stretched environment-friendly plastic film is straightened;
s3, when the sliding block is controlled to slide to two ends of the supporting frame, the fixed sliding rod extrudes the connecting column and the upper sliding column slides, so that the upper sliding cavity extracts gas in the lower sliding cavity, the lower sliding cavity pulls the lower sliding column to slide in a negative pressure mode, and the two rotating heads rotate and are attached to the environment-friendly plastic film;
s4, when the sliding guide rod moves upwards in the step S2, the driving sliding column is driven to extrude other parts in the driving cavity, and the other parts enter the upper detection groove:
if the environment-friendly plastic film is not breathable, the gas cannot enter the lower detection groove;
if the environment-friendly plastic film is breathable, gas can enter the lower detection groove, so that the detection plate moves downwards, and the breathability is observed visually;
s5, when the sliding block is controlled to slide towards the two ends of the supporting frame in the step S3, the upper clamping tooth can drive the upper rotating gear to rotate, so that the first bevel gear drives the second bevel gear to rotate, namely the threaded rod rotates to adjust the limiting clamping block to slide, and the next stretching test on the environment-friendly plastic film is adjusted;
and S6, repeating the step S2, and carrying out tensile test with different forces and air permeability detection under the condition of tensile with different forces on the environment-friendly plastic film.
Compared with the prior art, the invention provides the test equipment and the test method for detecting the renewable performance of the environment-friendly plastic, and the test equipment and the test method have the following beneficial effects:
the device is characterized in that the parts which are not involved are the same as or can be realized by adopting the prior art, the environment-friendly plastic film can be conveniently fixed by the symmetrically arranged control slide blocks, the tensile strength of the environment-friendly plastic film can be conveniently detected for multiple times by the arranged sliding guide rods, the elastic pull ropes and the pulling springs, and meanwhile, the adjustable limiting fixture blocks are matched, so that the tensile strength is sequentially increased, whether the tensile strength of the environment-friendly plastic film is qualified or not can be conveniently detected, meanwhile, the rotatable rotating head is arranged, the driving piston is matched, after the single detection is finished, the air permeability of the stretched environment-friendly plastic film can be detected by the gas in the driving piston, and the detection effect is better and more accurate.
Drawings
FIG. 1 is a schematic structural diagram of a testing apparatus and a testing method for detecting the renewable performance of an environmentally friendly plastic according to the present invention;
FIG. 2 is a schematic cross-sectional view of a testing apparatus and a testing method for detecting the renewable performance of environmental protection plastic according to the present invention;
FIG. 3 is a schematic structural diagram of part A in FIG. 2, illustrating a testing apparatus and a testing method for detecting the renewable performance of environmentally friendly plastics according to the present invention;
FIG. 4 is a schematic cross-sectional view of a control slider of the testing apparatus and the testing method for detecting the renewable performance of environmental protection plastic according to the present invention;
FIG. 5 is a schematic structural diagram of a control slider of a testing apparatus and a testing method for detecting the renewable performance of an environmentally friendly plastic according to the present invention;
FIG. 6 is a schematic structural diagram of a connecting column of the testing apparatus and the testing method for detecting the renewable performance of environmental protection plastics according to the present invention;
FIG. 7 is a schematic diagram of a driving pipe for testing apparatus and method for testing environmental protection plastic renewability according to the present invention;
fig. 8 is a schematic structural diagram of a testing apparatus and a testing method for detecting the renewable performance of an environmentally friendly plastic according to the present invention, which is shown in fig. 7, part B.
In the figure: 1. a support frame; 101. a drive motor; 102. a cam; 103. a T-shaped chute; 104. a T-shaped slider; 2. a drive piston; 201. a sliding guide bar; 202. a drive strut; 203. a drive chamber; 2031. a drive out tube; 204. a control chamber; 2041. controlling the pipe feeding; 2042. a driven chamber; 2043. a driven spring; 2044. a driven control panel; 205. an elastic pull rope; 3. controlling the sliding block; 301. a sliding platen; 302. a compression nut; 303. an upper sliding chamber; 3031. an upper sliding column; 3032. an upper slide spring; 3033. sliding the catheter up; 304. connecting columns; 3041. a first slide bar; 3042. a second slide bar; 3043. a slide bar spring; 3044. fixing the sliding rod; 305. pulling the spring; 306. upper latch teeth; 4. a limiting clamping block; 4001. a slider; 4002. a sliding groove; 401. a lower sliding chamber; 402. a lower slide spring; 403. a lower sliding column; 404. a lower rotating gear; 405. rotating the head; 4051. an upper detection groove; 4052. a lower detection tank; 406. detecting a plate; 4061. detecting a spring; 407. a magnetic block; 5. a rotating shaft; 501. rotating the rotating gear; 502. a first bevel gear; 503. a threaded rod; 5031. a second bevel gear.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Example 1:
referring to fig. 1 to 8, a test apparatus for detecting renewable performance of eco-friendly plastics, comprising: a support frame 1; a driving piston 2 fixedly connected to the support frame 1; the control slide blocks 3 are symmetrically connected to the support frame 1 in a sliding manner and used for clamping environment-friendly plastics; the two ends of the pulling spring 305 are respectively and fixedly connected to the control slide block 3 and the support frame 1; a sliding guide rod 201 slidably coupled in the driving piston 2 for stretching the environment-friendly plastic; wherein, the upper end of the sliding guide rod 201 is connected with the control slide block 3 through an elastic pull rope 205; the limiting clamping block 4 is arranged on the support frame 1 and used for limiting the distance between the two control sliding blocks 3; the rotating head 405 is symmetrically and rotatably connected to the limiting fixture block 4 and is used for detecting the air permeability of the environment-friendly plastic;
when the device is used, the environment-friendly plastic film is fixed on the control slide blocks 3, the slide guide rods 201 are controlled to slide up and down, the plastic environment-friendly film between the two control slide blocks 3 is extruded to move down when the slide guide rods 201 move down, so that the plastic environment-friendly film is stretched, and the tensile strength of the plastic environment-friendly film can be detected by observing whether the plastic environment-friendly film is broken or not;
when the sliding guide rod 201 moves downwards, the control slide block 3 is pulled to slide through the elastic pull rope 205, so that the control slide block 3 is attached to the limiting fixture block 4 more tightly;
when the sliding guide rod 201 moves upwards, the elastic pull rope 205 is loosened, and at this time, under the action of the pulling spring 305, the control slide block 3 is pulled to slide towards the two ends of the support frame 1, so that a tensile test is completed;
and the air permeability of the environmental protection plastic film can be detected by rotating the head 405.
A sliding block 4001 is fixedly connected to the side wall of the control sliding block 3, the sliding block 4001 is matched with the limiting clamping block 4, a sliding groove 4002 is fixedly connected to the support frame 1, and the sliding block 4001 is connected in the sliding groove 4002 in a sliding mode;
when the control slide block 3 slides, the sliding of the control slide block 3 is more stable through the sliding block 4001 and the sliding groove 4002, and the control slide block 3 is convenient to stick to the limiting fixture block 4 through the sliding block 4001.
A rotating shaft 5 and a threaded rod 503 are rotatably connected to the support frame 1, the rotating shaft 5 is located on one side, away from the sliding guide rod 201, of the control slider 3, the threaded rod 503 is in threaded connection with the limiting clamping block 4, an upper rotating gear 501 and a first bevel gear 502 are fixedly connected to the rotating shaft 5, a second bevel gear 5031 is fixedly connected to the threaded rod 503, the first bevel gear 502 is meshed with the second bevel gear 5031, and an upper clamping tooth 306 meshed with the upper rotating gear 501 is fixedly connected to the control slider 3;
when the control slider 3 slides, the upper latch 306 drives the upper rotating gear 501 to rotate, so that the upper rotating gear 501 drives the rotating shaft 5 and the first bevel gear 502 to rotate, at this time, the first bevel gear 502 drives the second bevel gear 5031 to rotate, so that the threaded rod 503 rotates, that is, the limiting latch 4 can be driven to slide when the control slider 3 slides, and the position where the control slider 3 is clamped next time can be limited;
it should be noted that, the rotating head 405 can slide along with the limiting fixture block 4 when rotating, that is, if the rotating head 405 slides after being attached to the environment-friendly plastic film, the environment-friendly plastic film can be further tensioned by the limiting fixture block 4.
A driving motor 101 is fixedly connected to the support frame 1, the output end of the driving motor 101 is fixedly connected with a cam 102, a T-shaped sliding groove 103 is formed in the cam 102, a T-shaped sliding block 104 is fixedly connected to the upper end of a sliding guide rod 201, and the T-shaped sliding block 104 is slidably connected into the T-shaped sliding groove 103;
when the driving motor 101 works, the cam 102 is driven to rotate, and the sliding guide rod 201 can be driven to slide up and down through the T-shaped sliding block 104 and the T-shaped sliding groove 103.
Further comprising: an upper detection groove 4051 is arranged in the rotating head 405 at the upper end; a lower detection groove 4052 is arranged in the rotating head 405 at the lower end; a driving sliding column 202 fixedly connected to the sliding guide rod 201, the driving sliding column 202 being slidably connected in the driving piston 2; wherein, a control cavity 204 and a driving cavity 203 are arranged in the driving piston 2, the driving cavity 203 and the control cavity 204 are respectively positioned at the upper end and the lower end of the driving sliding column 202, and a driving inlet pipe is arranged on the driving cavity 203; a driving outlet pipe 2031, two ends of which are respectively and fixedly communicated with the driving cavity 203 and the upper detection groove 4051; a sensing plate 406 slidably coupled within lower sensing well 4052; a detection spring 4061, two ends of which are respectively fixedly connected to the detection plate 406 and the lower detection groove 4052; a driven cavity 2042, a driven cavity 2042 and a control cavity 204 are arranged in the rotating head 405 at the upper end and communicated with each other through a control inlet pipe 2041, a driven control board 2044 is connected in the driven cavity 2042 in a sliding manner, the driven control board 2044 is used for controlling the closing of a driving outlet pipe 2031, and the driven control board 2044 is fixedly connected with the rotating head 405 through a driven spring 2043;
one-way valves are arranged in the driving outlet pipe 2031 and the driving inlet pipe to guide the flowing direction of the gas;
when the sliding guide rod 201 moves up and down, the driving sliding column 202 is driven to slide up and down;
when the environment-friendly plastic film is subjected to stretching detection, the sliding column 202 is driven to move downwards, so that external air enters the driving cavity 203 through the driving inlet pipe;
when the driving spool 202 moves upward, the air in the driving chamber 203 is pressed into the driving pipe 2031;
the gas in the control cavity 204 passes through the control inlet tube 2041 to extract the gas in the driven cavity 2042, so as to further pump the driven control plate 2044 to slide;
when the driving strut 202 moves up to the maximum distance, the driven control board 2044 does not block the driving outlet pipe 2031, that is, the gas in the driving outlet pipe 2031 is ejected and enters the upper detection groove 4051:
if the environment-friendly plastic film is not breathable, the gas cannot enter the lower detection groove 4052;
if the environmental-friendly plastic film is breathable, the gas enters the lower detection groove 4052, so that the detection plate 406 moves downwards, and the breathability is observed visually.
All fixedly connected with magnetism piece 407 on two rotating head 405, two magnetism pieces 407 magnetism attract mutually, when two rotating head 405 pasted mutually, can make two laminating of rotating head 405 inseparabler through magnetism piece 407, in order to guarantee the leakproofness when laminating, can set up sealed the pad on rotating head 405.
Further comprising: a lower rotating gear 404 fixedly connected to a rotating head 405; a lower sliding cavity 401 arranged in the limiting fixture block 4; a lower sliding post 403 slidably coupled within the lower sliding chamber 401; wherein, the lower sliding column 403 is fixedly connected with a lower toothed plate, and the lower rotating gear 404 is meshed with the lower toothed plate; two ends of the lower sliding spring 402 are respectively and fixedly connected to the lower sliding cavity 401 and the lower sliding column 403; an upper sliding chamber 303 provided in the control slider 3; the two ends of the upper sliding conduit 3033 are respectively and fixedly communicated with the upper sliding cavity 303 and the lower sliding cavity 401; an upper sliding post 3031 slidably coupled within the upper sliding chamber 303; the two ends of the upper sliding spring 3032 are fixedly connected in the upper sliding cavity 303 and the upper sliding column 3031 respectively; a connection post 304 fixedly connected to the upper sliding post 3031; a fixed sliding rod 3044 fixedly connected to the support frame 1 and matched with the connecting column 304;
when the control slider 3 slides, the connecting column 304 is attached to the fixed sliding rod 3044, so that the connecting column 304 extrudes the upper sliding column 3031 to slide, the upper sliding cavity 303 extracts the gas in the lower sliding cavity 401 through the upper sliding conduit 3033 to drive the lower sliding column 403 to slide, and then the lower sliding gear 404 is driven to rotate through the tooth socket on the lower sliding column 403, so that the two rotating heads 405 rotate and approach each other, the rotating heads 405 are attached to the environment-friendly plastic film, and the air permeability of the environment-friendly plastic film can be conveniently detected.
The connecting column 304 comprises a first slide bar 3041, a second slide bar 3042 and a slide bar spring 3043, wherein the first slide bar 3041 is slidably connected with the second slide bar 3042, and two ends of the slide bar spring 3043 are respectively and fixedly connected to the first slide bar 3041 and the second slide bar 3042;
the first slide bar 3041 and the second slide bar 3042 are made to be tensed by a slide bar spring 3043;
it should be noted that, when the environmental-friendly plastic film is stretched by the pulling spring 305 after a single stretch test, the sliding distances of the slider 3 are controlled to be different, and the sliding of the connecting column 304 and the upper sliding column 3031 are conveniently extruded by the fixed sliding rod 3044 through the sliding rod spring 3043.
A sliding pressure plate 301 is connected in the control slide block 3 in a sliding manner, a compression nut 302 is connected on the sliding pressure plate 301 in a rotating manner, and the compression nut 302 is in threaded connection with the control slide block 3;
when the environment-friendly plastic film is placed between the sliding pressure plate 301 and the control slide block 3, the position of the sliding pressure plate 301 can be adjusted by rotating the compression nut 302, so that the sliding pressure plate 301 can compress the position of the environment-friendly plastic film conveniently.
Example 2:
referring to fig. 1-8, a testing method for detecting the renewable performance of environment-friendly plastics mainly comprises the following steps:
s1, two ends of environment-friendly plastic are fixedly arranged on two control sliding blocks 3, when an environment-friendly plastic film is placed between a sliding pressing plate 301 and the control sliding blocks 3, the position of the sliding pressing plate 301 can be adjusted by rotating a pressing nut 302, and the sliding pressing plate 301 is convenient to press the position of the environment-friendly plastic film;
s2, starting the driving motor 101 to drive the cam 102 to rotate, and further driving the sliding guide rod 201 to slide up and down through the T-shaped sliding block 104 and the T-shaped sliding groove 103 so as to extrude and drive the sliding guide rod 201 to slide in the driving piston 2 in a reciprocating manner;
when the sliding guide rod 201 moves downwards, the control slide block 3 is tensioned by the elastic pull rope 205 and is attached to the limiting fixture block 4, and the sliding guide rod 201 can extrude to drive the environment-friendly plastic film to stretch;
when the sliding guide rod 201 moves upwards, the elastic pull rope 205 is loosened, the control slide block 3 is pulled to slide by pulling the spring 305, and the stretched environment-friendly plastic film is straightened;
s3, when the sliding block 3 is controlled to slide, the connecting column 304 is attached to the fixed sliding rod 3044, the connecting column 304 extrudes the upper sliding column 3031 to slide, the upper sliding cavity 303 pumps gas in the lower sliding cavity 401 through the upper sliding guide pipe 3033 to drive the lower sliding column 403 to slide, and then the tooth grooves on the lower sliding column 403 drive the lower rotating gear 404 to rotate, so that the two rotating heads 405 rotate and approach to each other, and the rotating heads 405 are attached to the environment-friendly plastic film;
s4, when the sliding guide rod 201 moves up and down, the driving sliding column 202 is driven to slide up and down; when the environment-friendly plastic film is subjected to stretching detection, the sliding column 202 is driven to move downwards, so that external air enters the driving cavity 203 through the driving inlet pipe; when the drive spool 202 moves upward, it will press the air in the drive chamber 203 into the drive out tube 2031; the gas in the control cavity 204 passes through the control inlet tube 2041 to extract the gas in the driven cavity 2042, so as to further pump the driven control plate 2044 to slide;
when the driving strut 202 moves up to the maximum distance, the driven control board 2044 does not block the driving outlet pipe 2031, that is, the gas in the driving outlet pipe 2031 is ejected and enters the upper detection groove 4051:
if the environment-friendly plastic film is not breathable, the gas cannot enter the lower detection groove 4052;
if the environment-friendly plastic film is breathable, the gas can enter the lower detection groove 4052, so that the detection plate 406 moves downwards, and the breathability is observed visually;
s5, when the control slide block 3 slides, the upper latch 306 drives the upper rotating gear 501 to rotate, the upper rotating gear 501 drives the rotating shaft 5 and the first bevel gear 502 to rotate, at the moment, the first bevel gear 502 drives the second bevel gear 5031 to rotate, the threaded rod 503 rotates, the limiting fixture block 4 can be driven to slide when the control slide block 3 slides, the clamping position of the control slide block 3 at the next time can be limited, and the next test on the tensile strength of the environment-friendly plastic film is adjusted;
and S6, repeating the step S2, and carrying out tensile test of different forces and air permeability detection under the condition of different-force tensile on the environment-friendly plastic film.
According to the environment-friendly plastic film detection device, the environment-friendly plastic film is conveniently fixed through the symmetrically arranged control sliding blocks 3, the tensile strength of the environment-friendly plastic film is conveniently detected for multiple times through the arranged sliding guide rods 201, the elastic pull ropes 205 and the pulling springs 305, meanwhile, the tensile strength is sequentially increased through the cooperation of the adjustable limiting clamping blocks 4, whether the tensile strength of the environment-friendly plastic film is qualified or not is conveniently detected, meanwhile, the rotatable rotating head 405 is arranged, the driving piston 2 is matched, after single detection is finished, the air permeability of the stretched environment-friendly plastic film can be detected through the air in the driving piston 2, and the detection effect is better and more accurate.
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 considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A test apparatus for detecting renewable performance of environmentally friendly plastics, comprising:
a support frame (1);
a driving piston (2) fixedly connected to the support frame (1);
the control sliding blocks (3) are symmetrically connected to the support frame (1) in a sliding manner and used for clamping environment-friendly plastics;
two ends of the pulling spring (305) are respectively and fixedly connected to the control slide block (3) and the support frame (1);
a sliding guide rod (201) slidably connected in the driving piston (2) and used for stretching environment-friendly plastics;
wherein the upper end of the sliding guide rod (201) is connected with the control slide block (3) through an elastic pull rope (205);
the limiting clamping block (4) is arranged on the support frame (1) and is used for limiting the distance between the two control sliding blocks (3);
the rotating head (405) is symmetrically and rotatably connected to the limiting clamping block (4) and is used for detecting the air permeability of the environment-friendly plastic;
a sliding block (4001) is fixedly connected to the side wall of the control sliding block (3), the sliding block (4001) is matched with the limiting clamping block (4), a sliding groove (4002) is fixedly connected to the support frame (1), and the sliding block (4001) is connected to the inside of the sliding groove (4002) in a sliding mode;
a rotating shaft (5) and a threaded rod (503) are rotatably connected to the support frame (1), the rotating shaft (5) is located on one side, away from the sliding guide rod (201), of the control slider (3), the threaded rod (503) is in threaded connection with the limiting clamping block (4), an upper rotating gear (501) and a first bevel gear (502) are fixedly connected to the rotating shaft (5), a second bevel gear (5031) is fixedly connected to the threaded rod (503), the first bevel gear (502) is meshed with the second bevel gear (5031), and an upper clamping tooth (306) meshed with the upper rotating gear (501) is fixedly connected to the control slider (3);
a driving motor (101) is fixedly connected to the support frame (1), the output end of the driving motor (101) is fixedly connected with a cam (102), a T-shaped sliding groove (103) is formed in the cam (102), a T-shaped sliding block (104) is fixedly connected to the upper end of the sliding guide rod (201), and the T-shaped sliding block (104) is connected to the inside of the T-shaped sliding groove (103) in a sliding manner;
further comprising:
an upper detection groove (4051) is arranged in the rotating head (405) at the upper end;
a lower detection groove (4052) is arranged in the rotating head (405) at the lower end;
the driving sliding column (202) is fixedly connected to the sliding guide rod (201), and the driving sliding column (202) is connected in the driving piston (2) in a sliding mode;
a control cavity (204) and a driving cavity (203) are arranged in the driving piston (2), the driving cavity (203) and the control cavity (204) are respectively positioned at the upper end and the lower end of the driving sliding column (202), and a driving inlet pipe is arranged on the driving cavity (203);
a drive outlet pipe (2031), two ends of which are respectively and fixedly communicated with the drive cavity (203) and the upper detection groove (4051);
a sensing plate (406) slidably coupled within the lower sensing well (4052);
the two ends of the detection spring (4061) are respectively and fixedly connected to the detection plate (406) and the lower detection groove (4052);
a driven cavity (2042) is formed in the rotating head (405) at the upper end, the driven cavity (2042) is communicated with the control cavity (204) through a control inlet pipe (2041), a driven control board (2044) is connected in the driven cavity (2042) in a sliding mode, the driven control board (2044) is used for controlling the closing of a driving outlet pipe (2031), and the driven control board (2044) is fixedly connected with the rotating head (405) through a driven spring (2043);
a lower rotating gear (404) fixedly connected to the rotating head (405);
a lower sliding cavity (401) arranged in the limiting fixture block (4);
a lower sliding post (403) slidably connected within the lower sliding cavity (401);
wherein, a lower toothed plate is fixedly connected to the lower sliding column (403), and the lower rotating gear (404) is meshed with the lower toothed plate;
the two ends of the lower sliding spring (402) are respectively and fixedly connected to the lower sliding cavity (401) and the lower sliding column (403);
an upper sliding cavity (303) arranged in the control slide block (3);
an upper sliding conduit (3033), both ends of which are respectively fixedly communicated with the upper sliding cavity (303) and the lower sliding cavity (401);
an upper sliding post (3031) slidably coupled within the upper sliding chamber (303);
an upper sliding spring (3032), two ends of which are respectively and fixedly connected in the upper sliding cavity (303) and the upper sliding column (3031);
a connecting column (304) fixedly connected to the upper sliding column (3031);
and the fixed sliding rod (3044) is fixedly connected to the support frame (1) and is matched with the connecting column (304).
2. The testing apparatus for detecting renewable performance of eco-friendly plastic according to claim 1, characterized in that a magnetic block (407) is fixedly connected to each of the two rotating heads (405), and the two magnetic blocks (407) are magnetically attracted.
3. The testing apparatus for detecting renewable performance of environmentally friendly plastics according to claim 1, wherein the connecting column (304) comprises a first slide bar (3041), a second slide bar (3042) and a slide bar spring (3043), wherein the first slide bar (3041) is slidably connected with the second slide bar (3042), and two ends of the slide bar spring (3043) are respectively and fixedly connected to the first slide bar (3041) and the second slide bar (3042).
4. The testing device for detecting the regenerability of environment-friendly plastics according to claim 1, wherein a sliding pressure plate (301) is slidably connected in the control slider (3), a compression nut (302) is rotatably connected to the sliding pressure plate (301), and the compression nut (302) is in threaded connection with the control slider (3).
5. A test method for detecting the renewable performance of environment-friendly plastics, which adopts the test device for detecting the renewable performance of environment-friendly plastics according to claim 4, and is characterized by mainly comprising the following steps:
s1, mounting and fixing two ends of environment-friendly plastic on two control sliding blocks (3);
s2, starting a driving motor (101) to drive a cam (102) to rotate so as to extrude and drive a sliding guide rod (201) to slide in a reciprocating manner in a driving piston (2);
when the sliding guide rod (201) moves downwards, the control slide block (3) is tensioned through the elastic pull rope (205) and attached to the limiting fixture block (4), and the sliding guide rod (201) can extrude to drive the environment-friendly plastic film to stretch;
when the sliding guide rod (201) moves upwards, the elastic pull rope (205) is loosened, the control slide block (3) is pulled to slide by the pulling spring (305), and the stretched environment-friendly plastic film is straightened;
s3, when the sliding block (3) is controlled to slide to two ends of the supporting frame (1), the fixed sliding rod (3044) can extrude the connecting column (304) and the upper sliding column (3031) to slide, so that the upper sliding cavity (303) extracts gas in the lower sliding cavity (401), the lower sliding cavity (401) pulls the lower sliding column (403) to slide in a negative pressure mode, and the two rotating heads (405) rotate and are attached to the environment-friendly plastic film;
s4, when the sliding guide rod (201) moves upwards in the step S2, the driving sliding column (202) is driven to extrude gas in the driving cavity (203), and the gas enters the upper detection groove (4051):
if the environment-friendly plastic film is airtight, the gas cannot enter the lower detection groove (4052);
if the environment-friendly plastic film is breathable, gas can enter the lower detection groove (4052) to enable the detection plate (406) to move downwards, and the breathability is observed visually;
s5, when the sliding block (3) is controlled to slide towards the two ends of the support frame (1) in the step S3, the upper clamping tooth (306) can drive the upper rotating gear (501) to rotate, so that the first bevel gear (502) drives the second bevel gear (5031) to rotate, namely the threaded rod (503) rotates to adjust the limiting clamping block (4) to slide, and the next stretching test on the environment-friendly plastic film is adjusted;
and S6, repeating the step S2, and carrying out tensile test of different forces and air permeability detection under the condition of different-force tensile on the environment-friendly plastic film.
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| CN211318006U (en) * | 2019-12-12 | 2020-08-21 | 江西多盛新材料科技有限公司 | KOP plastic film intensity detection device |
| CN215115590U (en) * | 2021-06-23 | 2021-12-10 | 安徽加晟包装科技有限公司 | Plastic film elasticity on-line measuring mechanism |
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| RU105455U1 (en) * | 2011-01-19 | 2011-06-10 | Государственное образовательное учреждение высшего профессионального образования "Ивановская государственная текстильная академия" (ИГТА) | DEVICE FOR DETERMINATION OF KNITTED BAND WEIRS PERMEABILITY |
| CN102183444B (en) * | 2011-01-27 | 2013-09-25 | 中国商用飞机有限责任公司 | Device and method for testing gas permeability in inner direction of paving layer surface |
| CN104215478A (en) * | 2013-05-31 | 2014-12-17 | 青岛华世洁环保科技有限公司 | Expanded diaphragm stretching apparatus |
| CN212363908U (en) * | 2020-06-05 | 2021-01-15 | 安徽松泰包装材料有限公司 | Stretching device for plastic film detection |
| CN112268792A (en) * | 2020-10-26 | 2021-01-26 | 广州星科服饰有限公司 | Intelligent device for simultaneously detecting tensile strength and air permeability of garment material |
| CN113588426A (en) * | 2021-07-06 | 2021-11-02 | 上海巴洛特新材料研究有限公司 | Multi-performance testing device and method for high polymer material |
| CN113834728B (en) * | 2021-11-26 | 2022-03-18 | 广东安拓普聚合物科技有限公司 | Test equipment for detecting renewable performance of environment-friendly plastic |
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| CN211318006U (en) * | 2019-12-12 | 2020-08-21 | 江西多盛新材料科技有限公司 | KOP plastic film intensity detection device |
| CN215115590U (en) * | 2021-06-23 | 2021-12-10 | 安徽加晟包装科技有限公司 | Plastic film elasticity on-line measuring mechanism |
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