CN117288669A - Acid, alkali and salt corrosion resistance test device and method for adhesive tape - Google Patents
Acid, alkali and salt corrosion resistance test device and method for adhesive tape Download PDFInfo
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- CN117288669A CN117288669A CN202311579961.8A CN202311579961A CN117288669A CN 117288669 A CN117288669 A CN 117288669A CN 202311579961 A CN202311579961 A CN 202311579961A CN 117288669 A CN117288669 A CN 117288669A
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- 239000002390 adhesive tape Substances 0.000 title claims abstract description 88
- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 239000002253 acid Substances 0.000 title claims abstract description 23
- 239000003513 alkali Substances 0.000 title claims abstract description 22
- 230000007797 corrosion Effects 0.000 title claims abstract description 22
- 238000005260 corrosion Methods 0.000 title claims abstract description 22
- 150000003839 salts Chemical class 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 238000001514 detection method Methods 0.000 claims abstract description 45
- 239000002585 base Substances 0.000 claims abstract description 26
- 230000001070 adhesive effect Effects 0.000 claims abstract description 22
- 239000012266 salt solution Substances 0.000 claims abstract description 22
- 239000000853 adhesive Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 15
- 238000002791 soaking Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 238000010998 test method Methods 0.000 claims abstract description 3
- 230000001360 synchronised effect Effects 0.000 claims description 60
- 238000003825 pressing Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000037303 wrinkles Effects 0.000 claims description 3
- 150000001447 alkali salts Chemical class 0.000 claims 1
- 238000011056 performance test Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000003490 calendering Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the field of adhesive tape performance test equipment and discloses an adhesive tape acid, alkali and salt corrosion resistance test device and an adhesive tape acid, alkali and salt corrosion resistance test method, wherein the adhesive tape acid, alkali and salt corrosion resistance test device comprises a liquid storage box, a plurality of sealing type height adjusting mechanisms connected to the bottom of the liquid storage box, a splicing type test die connected to the sealing type height adjusting mechanisms, an axial adhesion force detecting mechanism and a torque detecting mechanism which are arranged in the splicing type test die, and the sealing type height adjusting mechanisms are used for adjusting the height of the splicing type test die; according to the invention, the soaking and detection of the adhesive tape sample are integrated, after the adhesive tape sample is lifted from the acid-base salt solution through the sealed height adjusting mechanism, the upper cylinder and the lower cylinder can be driven to axially separate and/or circumferentially twist through the axial adhesive force detecting mechanism and/or the torque detecting mechanism after a set time, the adhesive tape sample is not required to be transferred, the adhesive property of the adhesive tape in actual use can be simulated, and the error is reduced.
Description
Technical Field
The invention relates to the field of adhesive tape performance test equipment, in particular to an acid, alkali and salt corrosion resistance test device and method for adhesive tape.
Background
The adhesive tape is made up by using paper, cloth and film as base material, uniformly coating glue on the above-mentioned base material. The adhesive can be classified into solvent adhesive tape, emulsion adhesive tape, hot melt adhesive tape, calendaring adhesive tape and reaction adhesive tape according to the adhesive property, and is composed of three parts of base material, adhesive and isolating paper (film), wherein the three parts are paper, cloth and film as base material, and then the adhesive is uniformly coated on the base material to prepare the paper adhesive tape, cloth adhesive tape or film adhesive tape. The adhesive tape is classified into solvent type adhesive tape, emulsion type adhesive tape, hot melt type adhesive tape, calendaring type adhesive tape and reaction type adhesive tape according to the tackiness, and consists of three parts of base material, adhesive and release paper (film).
At present, most of common adhesive tape acid, alkali and salt corrosion resistance test devices are used for attaching adhesive tape samples to a die with a notch, then placing the die in acid, alkali and salt solution for soaking, taking out the die after a set time for visual inspection, then taking the adhesive tape off the die, and adopting other detection equipment to detect the performance of the soaked adhesive tape, such as the performance detection of cohesiveness, tensile resistance and the like, and in the process of transferring the adhesive tape, the performance of the adhesive tape can be changed, so that the detection data is inaccurate, and meanwhile, the detection data is easy to appear.
Disclosure of Invention
The invention aims to solve the problems and provide an acid, alkali and salt corrosion resistance test device and method for an adhesive tape.
The invention provides an acid, alkali and salt corrosion resistance test device for an adhesive tape, which comprises a liquid storage box, a plurality of sealed height adjusting mechanisms connected to the bottom of the liquid storage box, a spliced test die connected to the sealed height adjusting mechanisms, an axial adhesion force detection mechanism and a torque detection mechanism which are arranged in the spliced test die, wherein the sealed height adjusting mechanisms are used for adjusting the height of the spliced test die;
the splicing type test die comprises a lower cylinder fixedly connected to the upper end of the sealing type height adjusting mechanism, an upper cylinder movably connected to the opening at the upper end of the lower cylinder, a pH value sensor arranged at the bottom of the lower cylinder, a first notch arranged at the opening at the upper end of the lower cylinder and a second notch arranged at the opening at the lower end of the upper cylinder, wherein the first notch and the second notch form a splicing type notch, and an adhesive tape to be tested is sealed and adhered at the splicing type notch;
the axial viscous force detection mechanism comprises a sealed linear movement assembly coaxially connected to the bottom of the lower cylinder, an elastic axial force application assembly connected to the sealed linear movement assembly, a synchronous rotation assembly connected to the elastic axial force application assembly and a distance measurement assembly arranged on the sealed linear movement assembly, one end of the synchronous rotation assembly penetrates through the sealed linear movement assembly and is fixedly connected with the middle part of the upper cylinder, the sealed linear movement assembly is used for adjusting the pressure applied by the elastic axial force application assembly to the synchronous rotation assembly, and the distance measurement assembly is used for detecting the movement data of the elastic axial force application assembly;
the torque detection mechanism comprises a telescopic circumferential rotating assembly connected to the bottom of the lower cylinder body, a torque applying assembly connected to the telescopic circumferential rotating assembly and a rotation angle detection assembly arranged between the synchronous rotating assembly and the elastic axial force applying assembly, wherein the torque applying assembly is connected with the synchronous rotating assembly, the telescopic circumferential rotating assembly is used for adjusting the torque applied by the torque applying assembly to the synchronous rotating assembly, and the rotation angle detection assembly is used for detecting rotation angle data of the synchronous rotating assembly.
As a further optimization scheme of the invention, the sealed height adjusting mechanism comprises a connecting bottom plate, a first telescopic bellows, an electric push rod and a multi-stage telescopic rod, wherein the first telescopic bellows, the electric push rod and the multi-stage telescopic rod are connected to the upper end of the connecting bottom plate, the electric push rod and the multi-stage telescopic rod are both positioned in the first telescopic bellows, and the electric push rod and the multi-stage telescopic rod are symmetrically arranged, and one ends of the first telescopic bellows, the electric push rod and the multi-stage telescopic rod are fixedly connected with the lower cylinder.
As a further optimization scheme of the invention, the sealed linear moving assembly comprises a second telescopic corrugated pipe fixedly connected to the bottom of the lower cylinder, a mounting frame, a first miniature integrated motor and a square sliding rod fixedly connected to the mounting frame, a first sliding plate slidingly connected to the square sliding rod and a screw rod connected to the output shaft end of the first miniature integrated motor, wherein the first sliding plate is in threaded connection with the screw rod, the upper end of the second telescopic corrugated pipe is movably connected with the upper cylinder, the mounting frame is positioned in the second telescopic corrugated pipe, and the pH value sensor is positioned outside the second telescopic corrugated pipe.
As a further optimization scheme of the invention, the elastic axial force applying assembly comprises a second sliding plate which is connected to the square sliding rod in a sliding way, and a pressing spring which is connected between the first sliding plate and the second sliding plate, wherein the second sliding plate is provided with a through hole with the diameter larger than that of the screw rod.
As a further optimization scheme of the invention, the synchronous rotating assembly comprises a first supporting shaft movably connected to the second sliding plate, a synchronous cylinder fixedly connected to the first supporting shaft and a second supporting shaft connected to the synchronous cylinder, wherein the second supporting shaft penetrates through the upper end of the second telescopic corrugated pipe and is fixedly connected with the upper cylinder.
As a further optimization scheme of the invention, the distance measuring assembly comprises a distance measuring sensor arranged on the mounting frame, and the distance measuring sensor is used for detecting the distance between the second sliding plate and the mounting frame.
As a further optimization scheme of the invention, the telescopic circumferential rotation assembly comprises a second miniature integrated motor fixedly connected to the mounting frame, a hollow shaft body connected to the output shaft end of the second miniature integrated motor, a square limit sliding block connected to the inner wall of the hollow shaft body in a sliding manner, a connecting shaft connected to the square limit sliding block and a transmission gear connected to the connecting shaft, wherein the upper end of the connecting shaft is connected with a disc, and an annular sliding groove matched with the disc is formed in the inner wall of the upper end of the synchronous cylinder.
As a further optimization scheme of the invention, the torque applying assembly comprises a movable ring body movably connected to the inner wall of the upper end of the synchronous cylinder, a ring gear connected to the inner circular surface of the movable ring body and a clockwork spring connected to the outer circular surface of the movable ring body, and one end of the clockwork spring is connected to the inner wall of the synchronous cylinder.
As a further optimization scheme of the invention, the rotation angle detection assembly comprises a first detection gear connected to the first support shaft and a first angle sensor connected to the second slide plate, wherein the first angle sensor is arranged in a matched mode with the first detection gear, the hollow shaft body is connected with a second detection gear, and the mounting frame is provided with a second angle sensor arranged in a matched mode with the second detection gear.
The acid, alkali and salt corrosion resistance test method for the adhesive tape adopts the acid, alkali and salt corrosion resistance test device for the adhesive tape, and comprises the following steps:
1) Preparation for test
(1) Preparing acid-base salt solution with set concentration and set quantity;
(2) preparing a plurality of groups of adhesive tape samples, wherein the width of each group of adhesive tape samples is 4cm and the length of each group of adhesive tape samples is not less than 10cm, and then respectively adhering the plurality of groups of adhesive tape samples at splice-type gaps on a splice-type test die to ensure that the adhesive tape samples are free of wrinkles;
2) Detection link
(1) Placing the liquid storage box in an environment with the environment temperature of 23+/-1 ℃ and the relative humidity of 50+/-5%, placing the prepared acid-base salt solution in the liquid storage box, and immersing the corresponding spliced test dies in the acid-base salt solution by controlling all the sealed height adjusting mechanisms;
(2) setting the soaking time of each group of adhesive tape samples according to the test parameters;
(3) after the soaking time is set, controlling a corresponding sealed height adjusting mechanism to lift a corresponding spliced test die and separate from the acid-base salt solution, visually observing the appearance change of the adhesive tape sample and recording the appearance parameters of the sample;
(4) detecting whether an acid-base salt solution exists in the lower cylinder body through a pH value sensor, and recording data;
(5) if the lower cylinder body is free of acid-base salt solution, the axial adhesive force and the adhesive torque of the adhesive tape sample are detected through the axial adhesive force detection mechanism and the torque detection mechanism.
The invention has the beneficial effects that: according to the invention, the soaking and detection of the adhesive tape sample are integrated, after the adhesive tape sample is lifted from the acid-base salt solution through the sealed height adjusting mechanism, the upper cylinder and the lower cylinder can be driven to axially separate and/or circumferentially twist through the axial adhesive force detecting mechanism and/or the torque detecting mechanism after a set time, the adhesive tape sample is not required to be transferred, the adhesive property of the adhesive tape in actual use can be simulated, and the error is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a splice test die of the present invention;
FIG. 3 is a schematic view of the sealed height adjustment mechanism and splice test mold of the present invention;
FIG. 4 is a mating view of the axial adhesion force detection mechanism and torque detection mechanism of the present invention;
FIG. 5 is an enlarged view of the invention at A in FIG. 4;
fig. 6 is an enlarged view of the present invention at B in fig. 4.
In the figure: 1. a liquid storage box; 2. a sealed height adjusting mechanism; 201. a connecting bottom plate; 202. a first bellows; 203. an electric push rod; 204. a multi-step telescopic rod; 3. spliced test mold; 31. a lower cylinder; 3101. a first notch; 32. an upper cylinder; 3201. a second notch; 33. a pH value sensor; 4. an axial viscous force detection mechanism; 401. a mounting frame; 402. a first miniature integrated motor; 403. square slide bar; 404. a first slide plate; 405. a second slide plate; 406. a screw; 407. a pressing spring; 408. a ranging sensor; 409. a first support shaft; 410. a synchronous cylinder; 411. a second support shaft; 412. the second telescopic corrugated pipe; 5. a torque detection mechanism; 501. a second miniature integrated motor; 502. a hollow shaft body; 503. square limit slide block; 504. a connecting shaft; 505. a transmission gear; 506. a movable ring body; 507. a ring gear; 508. a clockwork spring; 509. a first detection gear; 510. a first angle sensor; 511. a second detection gear; 512. and a second angle sensor.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand and thereby practice the subject matter described herein. In addition, features described with respect to some examples may be combined in other examples as well.
As shown in fig. 1, 2 and 3, the adhesive tape acid, alkali and salt corrosion resistance testing device comprises a liquid storage box 1, a plurality of sealed height adjusting mechanisms 2 connected to the bottom of the liquid storage box 1, a spliced test die 3 connected to the sealed height adjusting mechanisms 2, an axial adhesion force detecting mechanism 4 and a torque detecting mechanism 5 arranged in the spliced test die 3, wherein the sealed height adjusting mechanisms 2 are used for adjusting the height of the spliced test die 3;
the splicing type test die 3 comprises a lower cylinder 31 fixedly connected to the upper end of the sealing type height adjusting mechanism 2, an upper cylinder 32 movably connected to the upper end opening of the lower cylinder 31, a pH value sensor 33 arranged at the bottom of the lower cylinder 31, a first notch 3101 arranged at the upper end opening of the lower cylinder 31 and a second notch 3201 arranged at the lower end opening of the upper cylinder 32, wherein the first notch 3101 and the second notch 3201 form a splicing type notch, and an adhesive tape to be tested is sealed and adhered at the splicing type notch;
the axial viscous force detection mechanism 4 comprises a sealed linear movement assembly coaxially connected to the bottom of the lower cylinder 31, an elastic axial force application assembly connected to the sealed linear movement assembly, a synchronous rotation assembly connected to the elastic axial force application assembly and a distance measurement assembly arranged on the sealed linear movement assembly, wherein one end of the synchronous rotation assembly passes through the sealed linear movement assembly and is fixedly connected with the middle part of the upper cylinder 32, the sealed linear movement assembly is used for adjusting the pressure applied by the elastic axial force application assembly to the synchronous rotation assembly, and the distance measurement assembly is used for detecting the movement data of the elastic axial force application assembly;
the torque detecting mechanism 5 comprises a telescopic circumferential rotating component connected to the bottom of the lower cylinder 31, a torque applying component connected to the telescopic circumferential rotating component, and a rotation angle detecting component arranged between the synchronous rotating component and the elastic axial force applying component, wherein the torque applying component is connected with the synchronous rotating component, the telescopic circumferential rotating component is used for adjusting the torque applied by the torque applying component to the synchronous rotating component, and the rotation angle detecting component is used for detecting rotation angle data of the synchronous rotating component.
When the adhesive tape to be tested is subjected to acid, alkali and salt corrosion resistance test, the method comprises the following steps:
1) Preparation for test
(1) Preparing acid-base salt solution with set concentration and set quantity;
(2) preparing a plurality of groups of adhesive tape samples, wherein the width of each group of adhesive tape samples is 4cm and the length of each group of adhesive tape samples is not less than 10cm, and then respectively adhering the plurality of groups of adhesive tape samples at splicing notches on a splicing type test die 3 to ensure that the adhesive tape samples are free of wrinkles;
2) Detection link
(1) Placing the liquid storage box 1 in an environment with the environment temperature of 23+/-1 ℃ and the relative humidity of 50+/-5%, placing the prepared acid-base salt solution in the liquid storage box 1, and immersing the corresponding spliced test die 3 in the acid-base salt solution by controlling all the sealed height adjusting mechanisms 2;
(2) setting the soaking time of each group of adhesive tape samples according to the test parameters;
(3) after the soaking time is set, the corresponding sealed height adjusting mechanism 2 is controlled to lift the corresponding spliced test die 3 and separate from the acid-base salt solution, and the appearance change of the adhesive tape sample is observed by naked eyes and the appearance parameters of the sample are recorded;
(4) detecting whether the acid-base salt solution exists in the lower cylinder 31 through the pH value sensor 33 and recording data;
(5) if the lower cylinder 31 is free of an acid-base salt solution, the axial adhesion force and the adhesion torque of the adhesive tape sample are detected by the axial adhesion force detecting means 4 and the torque detecting means 5.
When the axial adhesive force and the adhesive torque of the adhesive tape sample are detected by the axial adhesive force detecting mechanism 4 and the torque detecting mechanism 5, specifically, when the lower cylinder 31 and the upper cylinder 32 are driven to be separated along the axial direction by the axial adhesive force detecting mechanism 4, the pressure applied to the synchronous rotating assembly by the elastic axial force applying assembly is regulated by the sealed linear moving assembly, in the process, one end, connected with the sealed linear moving assembly, of the elastic axial force applying assembly gradually moves towards the synchronous rotating assembly under the driving of the sealed linear moving assembly, the upper cylinder 32 and the lower cylinder 31 are not pushed by the adhesive force of the adhesive tape sample due to the connection of the synchronous rotating assembly with the upper cylinder 32, and therefore, the pressure applied to the synchronous rotating assembly by the elastic axial force applying assembly is gradually compressed until the pressure applied to the synchronous rotating assembly is larger than the adhesive force applied to the adhesive tape sample along the axial direction, the upper cylinder 32 and the synchronous rotating assembly start to move along the axial direction, and one end, connected with the elastic axial force applying assembly and the synchronous rotating assembly start to restore the axial direction by the axial direction, and the axial direction can be applied to the synchronous rotating assembly through the axial direction, and the axial direction can be equal, and the axial direction can be restored by the elastic force applied to the synchronous rotating assembly through the axial direction applied to the synchronous rotating assembly;
the torque applied to the upper cylinder 32 and the lower cylinder 31 along the circumferential direction can be provided by the adhesive tape under test, the torque application assembly is driven to rotate by the telescopic circumferential rotation assembly, the energy is continuously stored when the torque application assembly rotates, the torque applied to the synchronous rotation assembly is gradually increased until the synchronous rotation assembly starts rotating, namely the upper cylinder 32 rotates along the same direction and at the same angle with the synchronous rotation assembly, the bonding torque data which can be provided to the upper cylinder 32 and the lower cylinder 31 by the adhesive tape can be measured by the torque applied to the synchronous rotation assembly by the torque application assembly.
Wherein, as shown in fig. 3, the sealed height adjusting mechanism 2 comprises a connection bottom plate 201, a first bellows 202 connected to the upper end of the connection bottom plate 201, an electric push rod 203 and a multi-stage telescopic rod 204, wherein the electric push rod 203 and the multi-stage telescopic rod 204 are both located in the first bellows 202, and the electric push rod 203 and the multi-stage telescopic rod 204 are symmetrically arranged, and one ends of the first bellows 202, the electric push rod 203 and the multi-stage telescopic rod 204 are fixedly connected with the lower cylinder 31.
It should be noted that, as described above, when the height of the spliced test mold 3 is adjusted by the door-sealed height adjusting mechanism 2, the lower cylinder 31 is pushed to move upwards by the electric push rod 203, at this time, the upper cylinder 32 is tightly connected with the lower cylinder 31, the lower cylinder 31 drives the upper cylinder 32 to move in the same direction and at the same distance when moving upwards, the first bellows 202 extends along with the upper movement of the lower cylinder 31, so that a protection effect can be provided for the electric push rod 203 all the time, and damage to electric devices such as the electric push rod 203 caused by acid-base salt solution is prevented.
As shown in fig. 4, 5 and 6, the sealed linear moving assembly includes a second bellows 412 and a mounting frame 401 fixedly connected to the bottom of the lower cylinder 31, a first micro integrated motor 402 and a square slide bar 403 fixedly connected to the mounting frame 401, a first slide plate 404 slidingly connected to the square slide bar 403, and a screw 406 connected to an output shaft end of the first micro integrated motor 402, wherein the first slide plate 404 is in threaded connection with the screw 406, an upper end of the second bellows 412 is movably connected with the upper cylinder 32, the mounting frame 401 is located inside the second bellows 412, and the pH sensor 33 is located outside the second bellows 412;
the elastic axial force applying assembly comprises a second sliding plate 405 which is connected on the square sliding rod 403 in a sliding way, and a pressing spring 407 which is connected between the first sliding plate 404 and the second sliding plate 405, wherein the second sliding plate 405 is provided with a perforation with the diameter larger than that of a screw 406;
the synchronous rotating assembly comprises a first support shaft 409 movably connected to the second sliding plate 405, a synchronous cylinder 410 fixedly connected to the first support shaft 409, and a second support shaft 411 connected to the synchronous cylinder 410, wherein the second support shaft 411 penetrates through the upper end of the second telescopic bellows 412 and is fixedly connected with the upper cylinder 32;
the distance measuring assembly comprises a distance measuring sensor 408 provided on the mounting frame 401, the distance measuring sensor 408 being adapted to detect the distance between the second sledge 405 and the mounting frame 401.
It should be noted that, as described above, when the data of the bonding force along the axial direction provided to the upper cylinder 32 and the lower cylinder 31 by the adhesive tape along the axial direction is tested, the screw 406 is driven to rotate by the first micro-integrated motor 402, the screw 406 is driven to move up by the first slider after rotating, the pressing spring 407 is gradually pressed after the first slider moves up, the pressing spring 407 is forced to deform and then generates elastic force to the second slider, the elastic force gradually increases along with the compression of the pressing spring 407, until the elastic force generated by the pressing spring 407 is greater than the bonding force provided by the adhesive tape, the upper cylinder 32 is not limited, and starts to move up, at this time, the second slider 405, the first support shaft 409, the synchronous cylinder 410 and the second support shaft 411 all follow the upper cylinder 32, and the moment when the ranging sensor 408 detects the upward movement of the second slider 405, that is started to output a signal value, the deformation amount of the spring can be calculated according to the time when the first micro-integrated motor 402 drives the screw 406 to rotate, the obtained elastic force data generated by the deformation of the spring, that is calculated, the obtained elastic force data along the axial direction provided by the adhesive tape is provided as the performance reference data.
As shown in fig. 4 and fig. 5, the telescopic circumferential rotation assembly includes a second micro integrated motor 501 fixedly connected to the mounting frame 401, a hollow shaft body 502 connected to an output shaft end of the second micro integrated motor 501, a square limit slide block 503 slidingly connected to an inner wall of the hollow shaft body 502, a connecting shaft 504 connected to the square limit slide block 503, and a transmission gear 505 connected to the connecting shaft 504, wherein a disc is connected to an upper end of the connecting shaft 504, and an annular chute matched with the disc is arranged on an inner wall of an upper end of the synchronous cylinder 410;
the torque applying assembly comprises a movable ring body 506 movably connected to the inner wall of the upper end of the synchronous cylinder 410, a ring gear 507 connected to the inner circular surface of the movable ring body 506, and a spring 508 connected to the outer circular surface of the movable ring body 506, wherein one end of the spring 508 is connected to the inner wall of the synchronous cylinder 410;
the corner detection assembly comprises a first detection gear 509 connected to the first support shaft 409 and a first angle sensor 510 connected to the second slide plate 405, wherein the first angle sensor 510 is arranged in a matched mode with the first detection gear 509, a second detection gear 511 is connected to the hollow shaft body 502, and a second angle sensor 512 arranged in a matched mode with the second detection gear 511 is arranged on the mounting frame 401.
It should be noted that, as described above, when the adhesive tape is tested to provide the adhesive torque, the second micro integrated motor 501 drives the hollow shaft body 502 to rotate, when the hollow shaft body 502 rotates, the square limit slider 503 and the connecting shaft 504 are driven to rotate in the same direction and at the same angle, when the connecting shaft 504 rotates, the transmission gear 505 is driven to rotate after the transmission gear 505 rotates, the ring gear 507 is driven to rotate, the ring gear 508 is continuously compressed when the ring gear 507 rotates, the spring 508 continuously stores energy, and generates a corresponding elastic force, the elastic force is applied to the synchronous cylinder 410, that is, the torque driving the synchronous cylinder 410 to rotate is applied until the synchronous cylinder 410 starts to rotate, and drives the first support shaft 409 to rotate in the same direction and at the same angle, at the same time, the first angle sensor 510 can obtain the data of rotation of the first support shaft 409, and simultaneously, the rotation angle of the hollow shaft body 502 can be obtained through the second angle sensor 512, so that the rotation angle of the ring gear 507 is driven to rotate, and the deformation of the ring gear 507 is obtained, and the torque data applied to the synchronous cylinder 410 by the spring 508 is calculated, and the adhesive tape 32 and the torque data applied to the synchronous cylinder 31 is accurately known.
The present embodiment has been described above, but the present embodiment is not limited to the above-described specific embodiment, which is merely illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art in light of the present embodiment, which fall within the protection of the present embodiment.
Claims (10)
1. The device is characterized by comprising a liquid storage box (1), a plurality of sealed height adjusting mechanisms (2) connected to the bottom of the liquid storage box (1), a spliced test die (3) connected to the sealed height adjusting mechanisms (2), an axial adhesion force detecting mechanism (4) and a torque detecting mechanism (5) which are arranged in the spliced test die (3), wherein the sealed height adjusting mechanisms (2) are used for adjusting the height of the spliced test die (3);
the splicing type test die (3) comprises a lower cylinder body (31) fixedly connected to the upper end of the sealing type height adjusting mechanism (2), an upper cylinder body (32) movably connected to the opening of the upper end of the lower cylinder body (31), a pH value sensor (33) arranged at the bottom of the lower cylinder body (31), a first notch (3101) arranged at the opening of the upper end of the lower cylinder body (31) and a second notch (3201) arranged at the opening of the lower end of the upper cylinder body (32), wherein the first notch (3101) and the second notch (3201) form a splicing type notch, and an adhesive tape to be tested is sealed and adhered at the splicing type notch;
the axial viscous force detection mechanism (4) comprises a sealed linear movement assembly coaxially connected to the bottom of the lower cylinder (31), an elastic axial force application assembly connected to the sealed linear movement assembly, a synchronous rotation assembly connected to the elastic axial force application assembly and a distance measurement assembly arranged on the sealed linear movement assembly, one end of the synchronous rotation assembly penetrates through the sealed linear movement assembly and is fixedly connected with the middle part of the upper cylinder (32), the sealed linear movement assembly is used for adjusting the pressure applied to the synchronous rotation assembly by the elastic axial force application assembly, and the distance measurement assembly is used for detecting the movement data of the elastic axial force application assembly;
the torque detection mechanism (5) comprises a telescopic circumferential rotating component connected to the bottom of the lower cylinder body (31), a torque application component connected to the telescopic circumferential rotating component and a rotation angle detection component arranged between the synchronous rotating component and the elastic axial force application component, wherein the torque application component is connected with the synchronous rotating component, the telescopic circumferential rotating component is used for adjusting the torque applied to the synchronous rotating component by the torque application component, and the rotation angle detection component is used for detecting rotation angle data of the synchronous rotating component.
2. The adhesive tape acid and alkali salt corrosion resistance test device according to claim 1, wherein the sealed height adjusting mechanism (2) comprises a connecting bottom plate (201), a first telescopic bellows (202) connected to the upper end of the connecting bottom plate (201), an electric push rod (203) and a multi-stage telescopic rod (204), the electric push rod (203) and the multi-stage telescopic rod (204) are both located in the first telescopic bellows (202), and the electric push rod (203) and the multi-stage telescopic rod (204) are symmetrically arranged, and one ends of the first telescopic bellows (202), the electric push rod (203) and the multi-stage telescopic rod (204) are fixedly connected with the lower cylinder (31).
3. The adhesive tape acid, alkali and salt corrosion resistance test device according to claim 2, wherein the sealed linear moving assembly comprises a second telescopic bellows (412) fixedly connected to the bottom of the lower cylinder (31) and a mounting frame (401), a first miniature integrated motor (402) and a square slide bar (403) fixedly connected to the mounting frame (401), a first slide plate (404) slidingly connected to the square slide bar (403) and a screw (406) connected to the output shaft end of the first miniature integrated motor (402), the first slide plate (404) is in threaded connection with the screw (406), the upper end of the second telescopic bellows (412) is movably connected with the upper cylinder (32), the mounting frame (401) is located inside the second telescopic bellows (412), and the pH value sensor (33) is located outside the second telescopic bellows (412).
4. An apparatus for testing acid, alkali and salt corrosion resistance of an adhesive tape according to claim 3, wherein the elastic axial force applying means comprises a second slide plate (405) slidably connected to the square slide bar (403), and a pressing spring (407) connected between the first slide plate (404) and the second slide plate (405), and the second slide plate (405) is provided with a through hole having a diameter larger than that of the screw (406).
5. The device for testing acid, alkali and salt corrosion resistance of an adhesive tape according to claim 4, wherein the synchronous rotating assembly comprises a first supporting shaft (409) movably connected to the second sliding plate (405), a synchronous cylinder (410) fixedly connected to the first supporting shaft (409), and a second supporting shaft (411) connected to the synchronous cylinder (410), and the second supporting shaft (411) penetrates through the upper end of the second telescopic bellows (412) and is fixedly connected with the upper cylinder (32).
6. The apparatus of claim 5, wherein the distance measuring assembly comprises a distance measuring sensor (408) disposed on the mounting frame (401), the distance measuring sensor (408) being configured to detect a distance between the second slider (405) and the mounting frame (401).
7. The acid, alkali and salt corrosion resistance test device for adhesive tape according to claim 6, wherein the telescopic circumferential rotating assembly comprises a second miniature integrated motor (501) fixedly connected to the mounting frame (401), a hollow shaft body (502) connected to the output shaft end of the second miniature integrated motor (501), a square limit sliding block (503) slidingly connected to the inner wall of the hollow shaft body (502), a connecting shaft (504) connected to the square limit sliding block (503) and a transmission gear (505) connected to the connecting shaft (504), a disc is connected to the upper end of the connecting shaft (504), and an annular sliding groove matched with the disc is formed in the inner wall of the upper end of the synchronous cylinder (410).
8. The device for testing acid, alkali and salt corrosion resistance of an adhesive tape according to claim 7, wherein the torque applying assembly comprises a movable ring body (506) movably connected to an inner wall of an upper end of the synchronous cylinder body (410), a ring gear (507) connected to an inner circular surface of the movable ring body (506), and a spring (508) connected to an outer circular surface of the movable ring body (506), and one end of the spring (508) is connected to an inner wall of the synchronous cylinder body (410).
9. The acid, alkali and salt corrosion resistance test device for adhesive tape according to claim 8, wherein the corner detection assembly comprises a first detection gear (509) connected to the first support shaft (409) and a first angle sensor (510) connected to the second slide plate (405), the first angle sensor (510) is arranged in a matching manner with the first detection gear (509), a second detection gear (511) is connected to the hollow shaft body (502), and a second angle sensor (512) arranged in a matching manner with the second detection gear (511) is arranged on the mounting frame (401).
10. An acid, alkali and salt corrosion resistance test method for an adhesive tape, which is characterized by adopting the acid, alkali and salt corrosion resistance test device for the adhesive tape according to any one of claims 1-9, and comprising the following steps:
1) Preparation for test
(1) Preparing acid-base salt solution with set concentration and set quantity;
(2) preparing a plurality of groups of adhesive tape samples, wherein the width of each group of adhesive tape samples is 4cm and the length of each group of adhesive tape samples is not less than 10cm, and then respectively adhering the plurality of groups of adhesive tape samples to splice-type gaps on a splice-type test die (3) to ensure that the adhesive tape samples are free of wrinkles;
2) Detection link
(1) Placing the liquid storage box (1) in an environment with the environment temperature of 23+/-1 ℃ and the relative humidity of 50+/-5%, placing the prepared acid-base salt solution in the liquid storage box (1), and immersing the corresponding spliced test die (3) in the acid-base salt solution by controlling all the sealed height adjusting mechanisms (2);
(2) setting the soaking time of each group of adhesive tape samples according to the test parameters;
(3) after the soaking time is set, the corresponding sealed height adjusting mechanism (2) is controlled to lift the corresponding spliced test die (3) and separate from the acid-base salt solution, and the appearance change of the adhesive tape sample is observed by naked eyes and the appearance parameters of the sample are recorded;
(4) detecting whether an acid-base salt solution exists in the lower cylinder (31) through a pH value sensor (33) and recording data;
(5) if the lower cylinder (31) is free of acid-base salt solution, the axial adhesive force and the adhesive torque of the adhesive tape sample are detected by the axial adhesive force detection mechanism (4) and the torque detection mechanism (5).
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| CN117288669B (en) | 2024-02-02 |
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