CN113916661A - Testing device for foam deformation and resistance - Google Patents

Testing device for foam deformation and resistance Download PDF

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Publication number
CN113916661A
CN113916661A CN202111237059.9A CN202111237059A CN113916661A CN 113916661 A CN113916661 A CN 113916661A CN 202111237059 A CN202111237059 A CN 202111237059A CN 113916661 A CN113916661 A CN 113916661A
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CN
China
Prior art keywords
plate
resistance
foam
detection
clamping
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Pending
Application number
CN202111237059.9A
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Chinese (zh)
Inventor
刘佩武
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Guangdong Yuelian Instruments Co ltd
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Guangdong Yuelian Instruments Co ltd
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Publication date
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Priority to CN202111237059.9A priority Critical patent/CN113916661A/en
Publication of CN113916661A publication Critical patent/CN113916661A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/32Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/041Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001Type of application of the stress
    • G01N2203/0003Steady
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0019Compressive
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058Kind of property studied
    • G01N2203/0069Fatigue, creep, strain-stress relations or elastic constants
    • G01N2203/0075Strain-stress relations or elastic constants
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/06Indicating or recording means; Sensing means
    • G01N2203/067Parameter measured for estimating the property
    • G01N2203/0676Force, weight, load, energy, speed or acceleration
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/06Indicating or recording means; Sensing means
    • G01N2203/067Parameter measured for estimating the property
    • G01N2203/0682Spatial dimension, e.g. length, area, angle

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  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention relates to a foam testing device, in particular to a foam deformation and resistance testing device which comprises a force sensor, a resistance tester, a linear module, a touch control screen, a detection box and a stretching device or a compressing device, wherein the force sensor is arranged on the detection box; touch control screen, sharp module and resistance tester all install on the detection case, force cell sensor, resistance tester and sharp module all with the touch control screen is connected, force cell sensor installs on the slip table of sharp module, stretching device perhaps compression device equally divide do not with force cell sensor and detection case are connected, resistance tester's detection wire respectively with stretching device perhaps compression device connects. The testing device accurately detects the deformation quantity of the foam through the force transducer and the servo motor, accurately detects the resistance of the foam when the foam deforms through the resistance meter, and is simple in structure, convenient to use and accurate and reliable in detection structure.

Description

Testing device for foam deformation and resistance
Technical Field
The invention relates to a foam testing device, in particular to a foam deformation and resistance testing device.
Background
The foam is very easy to be compressed or stretched, the resistance of the foam can be changed when the foam is stretched or compressed, the existing foam resistance detection equipment can only detect the resistance of the foam in a free state, and the deformation quantity of the foam can not be accurately detected when the foam is deformed, and meanwhile, the resistance can not be accurately detected. Therefore, how to detect the resistance of the foam and the deformation quantity of the foam is an urgent problem to be solved.
Disclosure of Invention
In order to solve the problems, the invention provides a device for testing the deformation quantity and resistance of foam, which can detect the resistance and deformation quantity of the foam in real time when the foam is compressed or stretched, and the specific technical scheme is as follows:
a testing device for foam deformation and resistance comprises a force transducer, a resistance tester, a linear module, a touch control screen, a detection box and a stretching device or a compressing device; touch control screen, sharp module and resistance tester all install on the detection case, force cell sensor, resistance tester and sharp module all with the touch control screen is connected, force cell sensor installs on the slip table of sharp module, stretching device perhaps compression device equally divide do not with force cell sensor and detection case are connected, resistance tester's detection wire respectively with stretching device perhaps compression device connects.
Preferably, the stretching device comprises an upper clamping device, a lower clamping device and a conducting device; the upper clamping device comprises an upper clamping head, an upper handle and an upper clamping plate, the upper clamping head is connected with the force measuring sensor, an upper clamping groove is formed in the upper clamping head, the upper handle is installed on the upper clamping head through threads and is rotatably connected with the upper clamping plate, and the upper clamping plate is movably inserted into the upper clamping groove and is used for pressing foam in the upper clamping groove; the lower clamping device comprises a lower chuck, a lower handle and a lower insulating clamp plate, the lower chuck is mounted on the detection box, a lower clamp groove is formed in the lower chuck, the lower handle is mounted on the lower chuck through threads and is rotatably connected with the lower insulating clamp plate, and the lower insulating clamp plate is movably inserted into the lower clamp groove and used for pressing foam in the lower clamp groove; the conductive device comprises a conductive column or a probe, the conductive column and the probe are both provided with two parts and are both fixed on the lower insulating clamping plate, and the conductive column or the probe are both connected with a detection lead of the resistance tester.
Furthermore, the lower clamping device further comprises two lower guide posts, the two lower guide posts are symmetrically arranged and fixed on one side of the lower clamping groove, and the lower guide posts are further inserted onto the lower insulating clamping plate in a sliding mode.
Preferably, the compression device comprises an upper insulating pressing plate, a lower insulating pressing plate, an upper conducting plate and a lower conducting plate, the upper insulating pressing plate is installed on the force measuring sensor, the upper conducting plate is fixed on the upper insulating pressing plate, the lower insulating pressing plate is fixed on the detection box, the lower conducting plate is fixed on the lower insulating pressing plate, and the upper conducting plate and the lower conducting plate are equally divided into two parts which are respectively connected with a detection wire of the resistance tester.
Further, the both sides of going up the current conducting plate all are equipped with the top connection, the both sides of current conducting plate all are equipped with the lower clutch down, the top connection with the lower clutch respectively with the detection wire of resistance tester is connected.
Wherein, the top connection with all be equipped with the inspection hole on the lower clutch.
Compared with the prior art, the invention has the following beneficial effects:
the testing device for the deformation quantity and the resistance of the foam provided by the invention accurately detects the deformation quantity of the foam through the force transducer and the servo motor, accurately detects the resistance when the foam deforms through the resistance meter, and has the advantages of simple structure, convenience in use and accurate and reliable detection structure.
Drawings
FIG. 1 is a schematic structural diagram of a device for testing deformation and resistance of foam, which is provided with a stretching device;
FIG. 2 is a schematic structural diagram of a linear module;
FIG. 3 is a cross-sectional view of a linear die set;
FIG. 4 is a schematic structural view of a stretching apparatus;
FIG. 5 is a side view of the stretching assembly;
FIG. 6 is a schematic structural diagram of a device for testing the deformation and resistance of foam, which is provided with a compression device;
FIG. 7 is a schematic view of the construction of the compression apparatus;
fig. 8 is a side view of the compression device.
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
Example one
As shown in fig. 1 to 5, a device for testing deformation and resistance of foam comprises a force sensor 4, a resistance tester 3, a linear module 7, a touch control screen 3, a detection box 1 and a stretching device 5; touch control screen 3, sharp module 7 and resistance tester 3 all install on detection case 1, and force cell sensor 4, resistance tester 3 and sharp module 7 all are connected with touch control screen 3, and force cell sensor 4 installs on the slip table 71 of sharp module 7, and stretching device 5 or compression device 6 are equallyd divide and are do not connected with force cell sensor 4 and detection case 1, and resistance tester 3's detection wire 31 is connected with stretching device 5 respectively.
Specifically, the linear module 7 includes a bottom plate 76, a module frame 72, a sliding table 71, a circular guide rod 73, a screw pair, a motor, a driving pulley, a driven pulley and a synchronous belt, the module frame 72 is fixed on the bottom plate 76, the bottom plate 76 is fixed on the detection box 1, the circular guide rod 73 is symmetrically installed on two sides of the ball screw 74, two ends of the ball screw 74 are installed on the module frame 72 through bearing seats, the sliding table 71 is slidably installed on the circular guide rod 73 and is connected with a screw nut 75, the driven pulley is fixed at one end of the ball screw 74 and is connected with the driving pulley through the synchronous belt, the driving pulley is fixed on the motor, the motor is fixed on the bottom plate 76, and the motor is connected with the touch control screen 3. The motor is a servo motor, and can accurately control the lifting distance or pressure of the sliding table 71. The connecting base 11 is installed at one end of the bottom plate 76.
The stretching device 5 comprises an upper clamping device, a lower clamping device and a conducting device; the upper clamping device comprises an upper clamping head 51, an upper handle 53 and an upper clamping plate 52, the upper clamping head 51 is connected with the force measuring sensor 4 through a screw, an upper clamping groove 511 is formed in the upper clamping head 51, the upper handle 53 is installed on the upper clamping head 51 through threads and is rotatably connected with the upper clamping plate 52, and the upper clamping plate 52 is movably inserted into the upper clamping groove 511 and is used for pressing the foam 9 into the upper clamping groove 511; the lower clamping device comprises a lower chuck 54, a lower handle 56, a lower insulating clamp plate 55 and lower guide posts 57, the lower insulating plate is made of a plastic plate or a bakelite plate, the lower chuck 54 is installed on the connecting seat 11, the lower chuck 54 is provided with two lower clamping grooves 541, the lower handle 56 is installed on the lower chuck 54 through threads and is rotatably connected with the lower insulating clamp plate 55, the lower insulating clamp plate 55 is movably inserted into the lower clamping grooves 541, the lower guide posts 57 are symmetrically arranged and fixed on one side of the lower clamping grooves 541, the lower guide posts 57 are also slidably inserted on the lower insulating clamp plate 55, the lower guide posts 57 prevent the lower insulating clamp plate 55 from rotating, and the lower insulating clamp plate 55 is used for pressing the foam 9 into the lower clamping grooves 541; the conducting device comprises two conducting columns 58 or probes, the two conducting columns 58 and the two probes are fixed on the lower insulating clamping plate 55 in an insulating mode, and the conducting columns 58 or the probes are connected with the detection conducting wires 31 of the resistance tester 3.
During detection, two ends of the foam 9 are respectively pressed in the upper clamping groove 511 and the lower clamping groove 541, then the stretching distance or the pulling force of the linear module 7 is set through the touch control screen 3, the positive and negative detection wires 31 of the resistance tester 3 are respectively connected with the two conductive columns 58 or the probes through the clips, then the test is started, the touch control screen 3 records the stretching deformation and the pulling force of the foam 9, the resistance tester 3 records the resistance of the foam 9 in real time, and sends the detection result to the touch control screen 3, so that a stretching deformation quantity and resistance value curve chart required by detection is obtained and displayed on the touch control screen 3.
Example two
As shown in fig. 6 to 8, the present embodiment is different from the first embodiment in that the compressing device 6, the stretching device 5 of the first embodiment is used for the test of stretching the foam 9, and the compressing device 6 of the present embodiment is used for pressing the foam 9. Specifically, the compression device 6 includes an upper insulating pressing plate 61, a lower insulating pressing plate 64, an upper conductive plate 63, and a lower conductive plate 65, a threaded rod 62 is mounted on the top of the upper insulating pressing plate 61, the threaded rod 62 is connected to the upper insulating pressing plate 61 via a flange, and the threaded rod 62 is connected to the load cell 4. The upper conductive plate 63 is fixed on the upper insulating pressing plate 61, the lower insulating pressing plate 64 is fixed on the connecting base 11, the lower conductive plate 65 is fixed on the lower insulating pressing plate 64, and the upper conductive plate 63 and the lower conductive plate 65 are respectively connected with the detection lead 31 of the resistance tester 3.
The upper insulating pressing plate 61 and the lower insulating pressing plate 64 may be made of a bakelite plate or made of an engineering plastic. The upper conductive plate 63 and the lower conductive plate 65 are made of copper plates.
In some embodiments, the upper conductive plate 63 has upper contacts 631 on both sides thereof, the lower conductive plate 65 has lower contacts 651 on both sides thereof, and the upper contacts 631 and the lower contacts 651 are connected to the sensing wires 31 of the resistance tester 3, respectively. The upper connector 631 and the lower connector 651 can be provided with detection holes.
During detection, the foam 9 is placed on the lower conductive plate 65, then the positive and negative detection wires 31 of the resistance tester 3 are respectively connected with the upper connector 631 and the lower connector 651 through the clamps, or the detection wires 31 can be directly connected with the detection holes of the upper connector 631 and the lower connector 651, then the extrusion distance or the extrusion pressure of the linear module 7 is set through the touch control screen 3, the test is started, the touch control screen 3 records the extrusion deformation and the extrusion pressure of the foam 9, the resistance tester 3 records the resistance of the foam 9 in real time, and the detection result is sent to the touch control screen 3, so that the extrusion deformation and resistance curve graph required by detection is obtained and displayed on the touch control screen 3.
The testing device for the deformation quantity and the resistance of the foam is simple in structure and convenient to test, the deformation quantity of the foam is accurately detected through the force transducer and the servo motor, the resistance during deformation of the foam is accurately detected through the resistance meter, and the detection structure is accurate and reliable.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, which shall fall within the scope of the appended claims.

Claims (6)

1. A testing device for foam deformation and resistance comprises a force transducer (4), a resistance tester (3), a linear module (7) and a touch control screen (3), and is characterized by further comprising a detection box (1) and a stretching device (5) or a compressing device (6); touch control screen (3), sharp module (7) and resistance tester (3) are all installed on detection case (1), force cell (4), resistance tester (3) and sharp module (7) all with touch control screen (3) are connected, force cell (4) are installed on slip table (71) of sharp module (7), stretching device (5) or compression device (6) equally divide do not with force cell (4) and detection case (1) are connected, the detection wire (31) of resistance tester (3) respectively with stretching device (5) or compression device (6) are connected.
2. The testing device for the deformation and resistance of the foam cotton is characterized in that the stretching device (5) comprises an upper clamping device, a lower clamping device and a conductive device;
the upper clamping device comprises an upper clamping head (51), an upper handle (53) and an upper clamping plate (52), the upper clamping head (51) is connected with the force measuring sensor (4), an upper clamping groove (511) is formed in the upper clamping head (51), the upper handle (53) is installed on the upper clamping head (51) through threads and is rotatably connected with the upper clamping plate (52), and the upper clamping plate (52) is movably inserted into the upper clamping groove (511) and is used for pressing foam (9) in the upper clamping groove (511);
the lower clamping device comprises a lower clamping head (54), a lower handle (56) and a lower insulating clamping plate (55), the lower clamping head (54) is installed on the detection box (1), a lower clamping groove (541) is formed in the lower clamping head (54), the lower handle (56) is installed on the lower clamping head (54) through threads and is rotatably connected with the lower insulating clamping plate (55), and the lower insulating clamping plate (55) is movably inserted into the lower clamping groove (541) and used for pressing foam (9) in the lower clamping groove (541);
the conductive device comprises two conductive columns (58) or probes, the two conductive columns (58) and the two probes are fixed on the lower insulating clamping plate (55), and the conductive columns (58) or the probes are connected with the detection conducting wires (31) of the resistance tester (3).
3. The device for testing the deformation and the resistance of the foam according to claim 2, wherein the lower clamping device further comprises two lower guide posts (57), the two lower guide posts (57) are symmetrically arranged and fixed on one side of the lower clamping groove (541), and the lower guide posts (57) are further slidably inserted on the lower insulating clamping plate (55).
4. The device for testing the deformation and resistance of the foam according to claim 1, wherein the compression device (6) comprises an upper insulating pressing plate (61), a lower insulating pressing plate (64), an upper conductive plate (63) and a lower conductive plate (65), the upper insulating pressing plate (61) is installed on the load cell (4), the upper conductive plate (63) is fixed on the upper insulating pressing plate (61), the lower insulating pressing plate (64) is fixed on the detection box (1), the lower conductive plate (65) is fixed on the lower insulating pressing plate (64), and the upper conductive plate (63) and the lower conductive plate (65) are respectively connected with the detection lead (31) of the resistance tester (3).
5. The device for testing the deformation quantity and the resistance of the foam cotton according to claim 4, wherein upper joints (631) are arranged on two sides of the upper conductive plate (63), lower joints (651) are arranged on two sides of the lower conductive plate (65), and the upper joints (631) and the lower joints (651) are respectively connected with detection leads (31) of the resistance tester (3).
6. The device for testing the deformation quantity and the resistance of the foam according to claim 5, wherein the upper connector (631) and the lower connector (651) are respectively provided with a detection hole.
CN202111237059.9A 2021-10-24 2021-10-24 Testing device for foam deformation and resistance Pending CN113916661A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111237059.9A CN113916661A (en) 2021-10-24 2021-10-24 Testing device for foam deformation and resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111237059.9A CN113916661A (en) 2021-10-24 2021-10-24 Testing device for foam deformation and resistance

Publications (1)

Publication Number Publication Date
CN113916661A true CN113916661A (en) 2022-01-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111237059.9A Pending CN113916661A (en) 2021-10-24 2021-10-24 Testing device for foam deformation and resistance

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114624118A (en) * 2022-05-17 2022-06-14 江苏金旺新材料科技有限公司 Dynamic detection device and detection method for performance of foam adhesive tape
CN116046542A (en) * 2023-03-17 2023-05-02 常州威可特新材料有限公司 Conductive foam testing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114624118A (en) * 2022-05-17 2022-06-14 江苏金旺新材料科技有限公司 Dynamic detection device and detection method for performance of foam adhesive tape
CN116046542A (en) * 2023-03-17 2023-05-02 常州威可特新材料有限公司 Conductive foam testing machine

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