CN117168968A - Performance detection method and device for plastic particle production - Google Patents
Performance detection method and device for plastic particle production Download PDFInfo
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- CN117168968A CN117168968A CN202311327576.4A CN202311327576A CN117168968A CN 117168968 A CN117168968 A CN 117168968A CN 202311327576 A CN202311327576 A CN 202311327576A CN 117168968 A CN117168968 A CN 117168968A
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- 229920003023 plastic Polymers 0.000 title claims abstract description 48
- 239000004033 plastic Substances 0.000 title claims abstract description 48
- 239000002245 particle Substances 0.000 title claims abstract description 43
- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000012360 testing method Methods 0.000 claims abstract description 92
- 238000009864 tensile test Methods 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000007405 data analysis Methods 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 238000011056 performance test Methods 0.000 claims 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 12
- -1 polypropylene Polymers 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006399 behavior Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229920001002 functional polymer Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229920013744 specialty plastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
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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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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of plastic particle detection, and discloses a performance detection method and device for plastic particle production, comprising the following steps of S1, sample preparation: taking out the molten plastic particles from the melting device, preparing standard test bars meeting the requirements, and measuring S2, samples: placing a standard test spline in a clamp of a tensile testing machine, and testing tensile performance according to standard testing conditions, wherein the tensile performance comprises a tensile rate, a loading mode and a testing temperature, and S3 is that: starting a tensile testing machine, applying constant pulling force or stretching speed until a sample breaks, recording load and elongation data in the stretching process, and analyzing the data, wherein S4: according to breaking strength, elongation and elastic modulus data of the sample, tensile performance is evaluated and analyzed, and the clamp has the beneficial effects of assisting in clamping the sample to an accurate position and simultaneously adjusting the clamp to prevent different clamping forces.
Description
Technical Field
The invention relates to the technical field of plastic particle detection, in particular to a performance detection method and device for plastic particle production.
Background
The plastic particles generally refer to plastic particles, the plastic particles refer to granular plastics, the plastic particles are generally divided into more than 200 and are subdivided into thousands, and common plastic particles comprise general plastics, engineering plastics, special plastics and general plastics: polypropylene, polyethylene, polyvinyl chloride, polystyrene, polyester, polyurethane, etc., engineering plastics: nylon, polytetrafluoroethylene, polyoxymethylene, polycarbon silicone, and the like, specialty plastics: the performance of each aspect of the thermosetting plastic and functional polymer plastic such as artificial kidney needs to be detected after plastic particles are produced, wherein the tensile detection of the plastic particles needs to use a tensile testing machine which is mainly used for measuring the mechanical properties of the material under the action of tensile force and comprises the following actions: 1. measurement of tensile Strength: the tensile testing machine can apply various degrees of tension to the material and measure the maximum tensile resistance, i.e., the tensile strength, of the material during stretching. This may help evaluate the strength and durability of the material, such as determining whether the material is suitable for a particular application area. 2. Determining yield strength: the yield point of the material can be determined by the loading and unloading process of the tensile tester. Yield strength refers to the level of stress to which a material is subjected when it begins to develop observable plasticity or set. This is important to the design and choice of materials to ensure that the materials do not fail or deform severely during actual use. 3. Analyzing deformation behavior: the tensile testing machine can provide information about the deformation behavior of the material during stretching, such as the elongation of the material, elongation at break, and fracture characteristics. By analyzing these deformation behaviors, it is possible to understand the characteristics of ductility, brittleness, and plasticity of the material, and the fracture mechanism.
The existing plastic particle tensile test is different in detection habit and detection standard of each detection personnel due to the fact that detection personnel are different, deviation of a fixed position is easy to occur when standard test sample bars are fixed, a traditional tensile testing machine is provided with an upper clamp and a lower clamp, the two clamps are required to be respectively adjusted when standard test sample bars are clamped, errors are easy to occur in clamping force of the two clamps during adjustment, and then the problem that deviation occurs in a final detection result is caused when tensile strength is detected.
Disclosure of Invention
The invention provides a performance detection method and device for plastic particle production, which have the beneficial effects of assisting in clamping a sample to an accurate position and simultaneously adjusting clamps to prevent different clamping forces, and solve the problems that the detection habit and the detection standard of each detector are different due to different detectors in the prior art when the existing plastic particle is stretched and detected, the fixed position is easy to deviate when a standard test spline is fixed, the traditional stretching tester is provided with an upper clamp and a lower clamp, the two clamps are required to be respectively adjusted when the standard test spline is clamped, the clamping forces of the two clamps are easy to deviate when the standard test spline is adjusted, and the final detection result is easy to deviate when the tensile strength is detected.
The invention provides the following technical scheme: a performance detection method and device for plastic particle production comprises the following steps:
s1, sample preparation: taking out the molten plastic particles from the melting device, and preparing standard test sample bars meeting the requirements;
s2, measuring a sample: placing a standard test spline in a clamp of a tensile testing machine, and testing tensile performance according to standard test conditions, wherein the tensile performance comprises a tensile rate, a loading mode and a test temperature;
s3, tensile test: starting a tensile testing machine, applying constant pulling force or stretching speed until the sample breaks, and recording load and elongation data in the stretching process;
s4, data analysis: according to the breaking strength, elongation and elastic modulus data of the test sample, carrying out tensile property evaluation and analysis, wherein common parameters comprise tensile strength, breaking elongation and breaking energy;
s5, recording results: the tensile property data obtained from the test are recorded.
As an alternative scheme of the performance detection method and device for plastic particle production, the invention comprises the following steps: including the tensile testing machine body, first anchor clamps and second anchor clamps are installed to the inboard of tensile testing machine body for centre gripping standard test spline, the inboard fixedly connected with first splint of first anchor clamps and second anchor clamps, one side of first splint is provided with the second splint, one side of second splint is provided with first actuating mechanism for promote the second splint and remove, the opposite side fixedly connected with spring of second splint, the one end of spring respectively with first anchor clamps and second anchor clamps fixed connection, one side of first anchor clamps is provided with auxiliary clamping mechanism for auxiliary placement standard test spline.
As an alternative scheme of the performance detection method and device for plastic particle production, the invention comprises the following steps: the first driving mechanism comprises a first connecting column, one side of the tensile testing machine body is fixedly connected with a mounting plate, one side of the mounting plate is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a supporting plate, one side of the supporting plate is fixedly connected with the first connecting column, the other side of the supporting plate is fixedly connected with a second connecting column, and one end of the second connecting column is fixedly connected with a fork plate.
As an alternative scheme of the performance detection method and device for plastic particle production, the invention comprises the following steps: the auxiliary clamping mechanism comprises a first base, the top of the first base is connected with a second base in a sliding mode, a first scale line is arranged on the outer side of the second base, a fixing bolt is arranged on one side of the first base, one end of the fixing bolt penetrates through the first base and extends to one side of the second base, and a second driving mechanism is fixedly connected to one side of the first base.
As an alternative scheme of the performance detection method and device for plastic particle production, the invention comprises the following steps: the inside of second base has first cardboard and second cardboard through pivot swing joint, the equal fixedly connected with gear in the pivot outside of first cardboard and second base connection, the quantity of gear is two, two the gear intermeshing, the top of second base is provided with first knob, the one end and one of them pivot fixed connection of first knob, one side embedding of first cardboard has the magnet board, one side fixed embedding that the second cardboard corresponds the magnet board has the absorption iron plate.
As an alternative scheme of the performance detection method and device for plastic particle production, the invention comprises the following steps: the second driving mechanism comprises a second knob, one end of the second knob is fixedly connected with a screw rod, one end of the screw rod is rotationally connected with the inner wall of the tensile testing machine body, a transmission sleeve is connected with the outer side of the screw rod in a threaded mode, the transmission sleeve is in sliding connection with the tensile testing machine body, the transmission sleeve is fixedly connected with the first base, a transmission groove for the transmission sleeve to move is formed in one side of the tensile testing machine body, a second scale mark is engraved in one side of the tensile testing machine body, and the second scale mark is located on one side of the transmission groove.
As an alternative scheme of the performance detection method and device for plastic particle production, the invention comprises the following steps: the bottom fixedly connected with fixed plate of first cardboard, the bottom sliding connection of fixed plate has the sliding plate, the bottom of sliding plate is trapezoidal setting, the top of fork board corresponds the position fixedly connected with flange of sliding plate, the quantity of flange is a plurality of, and a plurality of flange equidistance evenly distributed.
As an alternative scheme of the performance detection method and device for plastic particle production, the invention comprises the following steps: the bottom fixedly connected with push pedal of sliding plate one side, the sliding tray that supplies the sliding plate to remove is seted up to the bottom of fixed plate, the one end fixedly connected with anticreep piece of sliding plate, anticreep piece and sliding plate clearance fit.
As an alternative scheme of the performance detection method and device for plastic particle production, the invention comprises the following steps: the inside fixedly connected with bracing piece of spring, the one end and the second splint fixed connection of bracing piece, the supporting groove that the cooperation bracing piece used has been seted up to the inside of first anchor clamps and second anchor clamps, the other end of bracing piece extends to the inside in supporting groove.
As an alternative scheme of the performance detection method and device for plastic particle production, the invention comprises the following steps: the two sides of the second base are fixedly connected with limiting plates, limiting grooves matched with the limiting plates are formed in the inner wall of the first base, and the limiting plates are in sliding connection with the limiting grooves.
The invention has the following beneficial effects:
1. according to the performance detection method and device for plastic particle production, by arranging the auxiliary clamping mechanism, after the first clamp and the second clamp of the tensile testing machine body are moved to the preset positions, the auxiliary clamping mechanism can fix standard test splines between the first clamp and the second clamp, so that when different personnel clamp the standard test splines, the front and back clamping positions of the standard test splines are identical, the lengths of the standard test splines inside the first clamp and the second clamp are identical, the follow-up detection accuracy of the standard test splines is improved, the condition that the detection results are different due to errors when the standard test splines are manually clamped is prevented, and the first clamping plate and the second clamping plate can just support the standard test splines at the top after being adsorbed and fixed by the magnet plates, so that the upper and lower height positions of the standard test splines are positioned.
2. According to the performance detection method and device for plastic particle production, the first driving mechanism is arranged, the fork plate is driven to move to one side close to the standard test spline through the second connecting column after the hydraulic cylinder is started, after the fork plate is contacted with the standard test spline, the position of the standard test spline can be finely adjusted through the inclined gradient of the fork plate which is inclined inwards, the front and rear positions of the standard test spline in the first clamp and the second clamp are adjusted, and the front and rear positions of the standard test spline are finely adjusted again after the position is adjusted by the auxiliary clamping mechanism, so that the accuracy of the subsequent clamping position is ensured.
3. According to the performance detection method and device for plastic particle production, the sliding plate and the convex plate are arranged, when the hydraulic cylinder is retracted to drive the fork plate to move, the convex plate at the top of the fork plate is in contact with the sliding plate to directly push the sliding plate to move towards one side close to the supporting plate, the first clamping plate is driven to move towards one side close to the supporting plate through the fixing plate when the sliding plate moves, after the first clamping plate moves, the gear is driven to rotate through the rotating shaft connected with the second base, the gear is driven to drive the second clamping plate to move in a following mode, the first clamping plate and the second clamping plate are opened to opposite positions, the opened first clamping plate and second clamping plate are separated from a standard test spline, and interference caused by the first clamping plate and the second clamping plate in a standard test spline tensile test is further prevented.
Drawings
FIG. 1 is a schematic flow chart of the present invention.
Fig. 2 is a schematic structural view of the present invention.
FIG. 3 is a schematic view of the structure of the mounting plate of the present invention.
Fig. 4 is a schematic partial cross-sectional view of a second base of the present invention.
Fig. 5 is a schematic structural view of a first clamp according to the present invention.
Fig. 6 is a schematic view showing a partial sectional structure of the sliding plate of the present invention.
Fig. 7 is a schematic structural view of a first base and a second base according to the present invention.
In the figure: 1. a tensile testing machine body; 2. a first clamp; 3. a second clamp; 4. a first clamping plate; 5. a second clamping plate; 6001. a first connection post; 6002. a mounting plate; 6003. a hydraulic cylinder; 6004. a support plate; 6005. a second connection post; 6006. a fork plate; 7. a spring; 8001. a first base; 8002. a second base; 8003. a fixing bolt; 8004. a first clamping plate; 8005. a second clamping plate; 8006. a gear; 8007. a first knob; 8008. a magnet plate; 8009. an adsorption iron plate; 9001. a second knob; 9002. a screw; 9003. a transmission sleeve; 10. a fixing plate; 11. a sliding plate; 12. a convex plate; 13. a push plate; 14. an anti-falling block; 15. a support rod; 16. and a limiting plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 to 7, the method includes the following steps:
s1, sample preparation: taking out the molten plastic particles from the melting device, and preparing standard test sample strips meeting the requirements, wherein the standard test sample strips are wide at two ends and gradually furl from two ends to the middle;
s2, measuring a sample: placing a standard test spline in a clamp of a tensile testing machine, and testing tensile performance according to standard test conditions, wherein the tensile performance comprises a tensile rate, a loading mode and a test temperature;
s3, tensile test: starting a tensile testing machine, applying constant pulling force or stretching speed until the sample breaks, and recording load and elongation data in the stretching process;
s4, data analysis: according to the breaking strength, elongation and elastic modulus data of the test sample, carrying out tensile property evaluation and analysis, wherein common parameters comprise tensile strength, breaking elongation and breaking energy;
s5, recording results: the tensile property data obtained from the test are recorded.
Including tensile testing machine body 1, first anchor clamps 2 and second anchor clamps 3 are installed to tensile testing machine body 1's inboard for centre gripping standard test spline, the inboard fixedly connected with first splint 4 of first anchor clamps 2 and second anchor clamps 3, one side of first splint 4 is provided with second splint 5, the antiskid line has all been seted up to one side that first splint 4 and second splint 5 are relative, be used for playing anti-skidding effect when centre gripping standard test spline, one side of second splint 5 is provided with first actuating mechanism, be used for promoting second splint 5 and remove, the opposite side fixedly connected with spring 7 of second splint 5, the one end of spring 7 respectively with first anchor clamps 2 and second anchor clamps 3 fixed connection, one side of first anchor clamps 2 is provided with supplementary fixture for supplementary standard test spline of placing.
And (3) stretching detection: when the tensile testing machine body 1 is used for fixing standard test bars, the tensile testing machine body 1 is started firstly, the first clamp 2 and the second clamp 3 of the tensile testing machine body 1 are moved to preset positions, then the first driving device operates to push away the second clamp plates 5 in the first clamp 2 and the second clamp 3, a gap is reserved between the first clamp plate 4 and the second clamp plate 5, then the standard test bars are plugged into the gap, then the standard test bars are primarily fixed through the auxiliary clamping mechanism, then the first driving device is started again, the first driving device is separated from the second clamp plate 5, the second clamp plate 5 is matched with the first clamp plate 4 under the elasticity of the spring 7 to tightly fix the standard test bars, and then the tensile testing machine body 1 is started to perform tensile detection on the clamped standard test bars.
The first actuating mechanism includes first spliced pole 6001, one side fixedly connected with mounting panel 6002 of tensile testing machine body 1, one side fixedly connected with pneumatic cylinder 6003 of mounting panel 6002, the output fixedly connected with backup pad 6004 of pneumatic cylinder 6003, one side and the first spliced pole 6001 fixed connection of backup pad 6004, the opposite side fixedly connected with second spliced pole 6005 of backup pad 6004, the one end fixedly connected with fork plate 6006 of second spliced pole 6005, the one end opening that fork plate 6006 is close to standard test spline, and the opening part is the slope form setting, the slope department inwards contracts gradually for can finely tune the position of standard test spline through the opening of slope after fork plate 6006 contacts with standard test spline, make standard test spline get back to on the exact position.
And (3) driving a clamp: when the first driving mechanism is started, the output end of the hydraulic cylinder 6003 pushes the supporting plate 6004 to move, the supporting plate 6004 pushes the first connecting column 6001 to move, the first connecting column 6001 can push the second clamping plate 5 to move, the second clamping plate 5 moves to the side far away from the first clamping plate 4, when the hydraulic cylinder 6003 retracts, the first connecting column 6001 retracts along with the hydraulic cylinder 6003, the second clamping plate 5 moves to the side close to the first clamping plate 4 under the elasticity of the spring 7, and then the standard test sample strip between the first clamping plate 4 and the second clamping plate 5 is clamped and fixed, the first driving mechanism can control the position of the second clamping plate 5, and clamping of the standard test sample strip is facilitated;
spline front-back position adjustment: and the hydraulic cylinder 6003 will drive the fork plate 6006 through the second spliced pole 6005 and remove to the one side that is close to standard test spline after starting, after fork plate 6006 and standard test spline contact, the fork plate 6006 of inwards sloping can finely tune the position of standard test spline through the slope of slope, makes the standard test spline be located the inside front and back position of first anchor clamps 2 and second anchor clamps 3 and obtains adjusting, fine tuning the front and back position of standard test spline again after auxiliary clamping mechanism adjusts the position, ensures the accuracy of follow-up clamping position.
The auxiliary clamping mechanism comprises a first base 8001, a second base 8002 is slidably connected to the top of the first base 8001, a first scale line is arranged on the outer side of the second base 8002, a fixing bolt 8003 is arranged on one side of the first base 8001, one end of the fixing bolt 8003 penetrates through the first base 8001 and extends to one side of the second base 8002, and a second driving mechanism is fixedly connected to one side of the first base 8001.
The inside of second base 8002 has first cardboard 8004 and second cardboard 8005 through pivot swing joint, and equal fixedly connected with gear 8006 in the pivot outside that first cardboard 8004 and second cardboard 8005 and second base 8002 are connected, and the quantity of gear 8006 is two, and two gears 8006 intermeshing, the top of second base 8002 are provided with first knob 8007, and one end and one of them pivot fixed connection of first knob 8007, one side embedding of first cardboard 8004 have magnet board 8008, and the fixed embedding in one side of second cardboard 8005 corresponds magnet board 8008 has absorption iron plate 8009.
Auxiliary clamping preliminary positioning: placing the standard test spline between the first clamp 2 and the second clamp 3, then rotating the first knob 8007, driving the rotating shaft to rotate by the first knob 8007, driving the gears 8006 on the surface to rotate after rotating the rotating shaft, driving the first clamp plate 8004 and the second clamp plate 8005 to move inwards after rotating by the two gears 8006, enabling the first clamp plate 8004 and the second clamp plate 8005 to be close to each other, then clamping the standard test spline in a slot in the middle by the first clamp plate 8004 and the second clamp plate 8005, then loosening the standard test spline, naturally sliding the standard test spline, enabling the first clamp plate 8004 and the second clamp plate 8005 to support the standard test spline, further achieving a fixing effect on the standard test spline, enabling the auxiliary clamping mechanism to fix the standard test spline between the first clamp 2 and the second clamp 3, enabling the lengths of the standard test spline inside the first clamp 2 and the second clamp 3 to be consistent, and improving the detection accuracy of the standard test spline to be clamped in the slot in the middle, enabling the first clamp 2 and the second clamp plate 8005 to clamp the standard test spline to be clamped by the auxiliary clamping mechanism to be identical to the standard test spline after clamping the standard test spline is clamped by different persons at the same clamping positions when the standard test spline is clamped by the standard test spline.
The second actuating mechanism includes second knob 9001, the one end fixedly connected with screw rod 9002 of second knob 9001, the one end and the inner wall rotation of tensile testing machine body 1 of screw rod 9002 are connected, the outside threaded connection of screw rod 9002 has driving sleeve 9003, driving sleeve 9003 and tensile testing machine body 1 sliding connection, driving sleeve 9003 and first base 8001 fixed connection, the transmission groove that supplies driving sleeve 9003 to remove has been seted up to one side of tensile testing machine body 1, one side of tensile testing machine body 1 is carved with the second scale mark, the second scale mark is located one side of transmission groove.
And (3) driving a base: the standard test spline is located at the middle positions of the first clamp 2 and the second clamp 3 and is set to be a zero line of a second scale line, the second scale line is in units of millimeters, one side of zero is negative, the other side of the second scale line is positive, the standard test spline is located at the specific positions inside the first clamp 2 and the second clamp 3, when the auxiliary clamping mechanism needs to be driven to move, the second knob 9001 is rotated, the second knob 9001 drives the screw 9002 to rotate, the screw 9002 rotates and then drives the transmission sleeve 9003 to move to one side, the transmission sleeve 9003 drives the first base 8001 to move to one side, and then the first clamping plate 8004 and the second clamping plate 8005 connected with the first base 8001 through the second base 8002 are driven to move, and the positions of the standard test spline clamped by the first clamping plate 8004 and the second clamping plate 8005 are adjusted.
Example 2
The embodiment is an improvement made on the basis of embodiment 1, specifically, please refer to fig. 1 to 7, the bottom of the first clamping plate 8004 is fixedly connected with a fixing plate 10, the bottom of the fixing plate 10 is slidably connected with a sliding plate 11, the bottom of the sliding plate 11 is arranged in a trapezoid, the top of the fork plate 6006 is fixedly connected with a plurality of convex plates 12 corresponding to the position of the sliding plate 11, and the convex plates 12 are uniformly distributed in equal distance.
Opening the clamping plate: can carry out preliminary location to standard test spline through auxiliary clamping mechanism, then after first splint 4 and second splint 5 are fixed to standard test spline centre gripping, in order to prevent to produce the interference to the test after first cardboard 8004 and second cardboard 8005 contact with standard test spline in the tensile test that follows, through setting up sliding plate 11 and flange 12, when hydraulic cylinder 6003 contracts and drives fork plate 6006 and remove, the flange 12 at fork plate 6006 top can directly promote sliding plate 11 to the one side that is close to backup pad 6004 with sliding plate 11 contact, can drive first cardboard 8004 to the one side that is close to backup pad 6004 through fixed plate 10 when sliding plate 11 removes, can drive gear 8006 through the pivot that is connected with second base 8002 after first cardboard removes, gear 8006 rotates and drives second cardboard 8005 and follow the removal, make first cardboard 8004 and second cardboard 8005 open to opposite position, and then prevent that first cardboard 8004 and second cardboard 8005 from causing the interference when standard test spline tensile test.
The bottom fixedly connected with push pedal 13 of slide plate 11 one side, the sliding tray that supplies slide plate 11 to remove is seted up to the bottom of fixed plate 10, and the one end fixedly connected with anticreep piece 14 of slide plate 11, anticreep piece 14 and slide plate 11 clearance fit.
Through setting up push pedal 13, can upwards promote slide plate 11 when using supplementary fixture, make slide plate 11 get into in the fixed plate 10, prevent to lead to the fact the card to die when first cardboard 8004 and second cardboard 8005 remove after slide plate 11 contacts with protruding board 12, through setting up anticreep piece 14, can prevent that slide plate 11 from coming off from the fixed plate 10 bottom.
The inside fixedly connected with bracing piece 15 of spring 7, the one end and the second splint 5 fixed connection of bracing piece 15, the supporting groove that the cooperation bracing piece 15 used has been seted up to the inside of first anchor clamps 2 and second anchor clamps 3, and the other end of bracing piece 15 extends to the inside in supporting groove.
By providing the support bar 15, the stability of the movement of the second clamping plate 5 can be improved by the support bar 15, and the effect of supporting is achieved in the spring 7.
Both sides of the second base 8002 are fixedly connected with limiting plates 16, limiting grooves matched with the limiting plates 16 are formed in the inner wall of the first base 8001, and the limiting plates 16 are in sliding connection with the limiting grooves.
Through setting up limiting plate 16 and spacing groove, play spacing effect when second base 8002 removes, prevent that second base 8002 from rocking and leading to removing the dead condition of card when first base 8001 inside slides from top to bottom.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (10)
1. A performance detection method for plastic particle production is characterized in that: the method comprises the following steps:
s1, sample preparation: taking out the molten plastic particles from the melting device, and preparing standard test sample bars meeting the requirements;
s2, measuring a sample: placing a standard test spline in a clamp of a tensile testing machine, and testing tensile performance according to standard test conditions, wherein the tensile performance comprises a tensile rate, a loading mode and a test temperature;
s3, tensile test: starting a tensile testing machine, applying constant pulling force or stretching speed until the sample breaks, and recording load and elongation data in the stretching process;
s4, data analysis: according to the breaking strength, elongation and elastic modulus data of the test sample, carrying out tensile property evaluation and analysis, wherein common parameters comprise tensile strength, breaking elongation and breaking energy;
s5, recording results: the tensile property data obtained from the test are recorded.
2. The performance test device for plastic particle production according to claim 1, wherein: including tensile testing machine body (1), first anchor clamps (2) and second anchor clamps (3) are installed to the inboard of tensile testing machine body (1) for centre gripping standard test spline, the inboard fixedly connected with first splint (4) of first anchor clamps (2) and second anchor clamps (3), one side of first splint (4) is provided with second splint (5), one side of second splint (5) is provided with first actuating mechanism for promote second splint (5) and remove, the opposite side fixedly connected with spring (7) of second splint (5), the one end of spring (7) respectively with first anchor clamps (2) and second anchor clamps (3) fixed connection, one side of first anchor clamps (2) is provided with supplementary fixture for supplementary standard test spline of placing.
3. The performance test device for plastic particle production according to claim 2, wherein: the first driving mechanism comprises a first connecting column (6001), one side fixedly connected with mounting plate (6002) of tensile testing machine body (1), one side fixedly connected with pneumatic cylinder (6003) of mounting plate (6002), the output fixedly connected with backup pad (6004) of pneumatic cylinder (6003), one side and first connecting column (6001) fixed connection of backup pad (6004), opposite side fixedly connected with second connecting column (6005) of backup pad (6004), one end fixedly connected with fork plate (6006) of second connecting column (6005).
4. A performance test apparatus for plastic particle production according to claim 3, wherein: the auxiliary clamping mechanism comprises a first base (8001), a second base (8002) is slidably connected to the top of the first base (8001), a first scale line is arranged on the outer side of the second base (8002), a fixing bolt (8003) is arranged on one side of the first base (8001), one end of the fixing bolt (8003) penetrates through the first base (8001) and extends to one side of the second base (8002), and a second driving mechanism is fixedly connected to one side of the first base (8001).
5. The plastic particle production performance detecting apparatus according to claim 4, wherein: the inside of second base (8002) is through pivot swing joint first cardboard (8004) and second cardboard (8005), equal fixedly connected with gear (8006) in the pivot outside that first cardboard (8004) and second cardboard (8005) are connected with second base (8002), the quantity of gear (8006) is two, two gear (8006) intermeshing, the top of second base (8002) is provided with first knob (8007), the one end and one of them pivot fixed connection of first knob (8007), one side embedding of first cardboard (8004) has magnet board (8008), one side fixed embedding that second cardboard (8005) corresponds magnet board (8008) has adsorption iron board (8009).
6. The plastic particle production performance detecting apparatus according to claim 5, wherein: the second driving mechanism comprises a second knob (9001), one end fixedly connected with screw rod (9002) of second knob (9001), one end of screw rod (9002) is rotationally connected with the inner wall of tensile testing machine body (1), outside threaded connection of screw rod (9002) has driving sleeve (9003), driving sleeve (9003) and tensile testing machine body (1) sliding connection, driving sleeve (9003) and first base (8001) fixed connection, the transmission groove that supplies driving sleeve (9003) to remove is seted up to one side of tensile testing machine body (1), one side of tensile testing machine body (1) is carved with the second scale mark, the second scale mark is located one side of transmission groove.
7. The plastic particle production performance detecting apparatus according to claim 5, wherein: the bottom fixedly connected with fixed plate (10) of first cardboard (8004), the bottom sliding connection of fixed plate (10) has sliding plate (11), the bottom of sliding plate (11) is trapezoidal setting, the top of fork board (6006) corresponds the position fixedly connected with flange (12) of sliding plate (11), the quantity of flange (12) is a plurality of, and a plurality of flange (12) equidistance evenly distributed.
8. The plastic particle production performance detecting apparatus according to claim 7, wherein: the bottom fixedly connected with push pedal (13) of sliding plate (11) one side, the sliding tray that supplies sliding plate (11) to remove has been seted up to the bottom of fixed plate (10), the one end fixedly connected with anticreep piece (14) of sliding plate (11), anticreep piece (14) and sliding plate (11) clearance fit.
9. The performance test device for plastic particle production according to claim 2, wherein: the inside fixedly connected with bracing piece (15) of spring (7), the one end and the second splint (5) fixed connection of bracing piece (15), the supporting groove that cooperation bracing piece (15) used has been seted up to the inside of first anchor clamps (2) and second anchor clamps (3), the other end of bracing piece (15) extends to the inside in supporting groove.
10. The plastic particle production performance detecting apparatus according to claim 5, wherein: both sides of second base (8002) are all fixedly connected with limiting plate (16), the spacing groove that cooperation limiting plate (16) used has been seted up to the inner wall of first base (8001), limiting plate (16) and spacing groove sliding connection.
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