CN112304858A - Corrosion-resistant testing arrangement of polymer plastic film - Google Patents
Corrosion-resistant testing arrangement of polymer plastic film Download PDFInfo
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- CN112304858A CN112304858A CN202011556343.8A CN202011556343A CN112304858A CN 112304858 A CN112304858 A CN 112304858A CN 202011556343 A CN202011556343 A CN 202011556343A CN 112304858 A CN112304858 A CN 112304858A
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- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention discloses a corrosion resistance testing device for a polymer plastic film, which comprises a testing box main body, an inflating mechanism fixedly arranged on one side in the testing box main body, an annular guide rail fixedly arranged in the testing box main body, an extrusion block assembly arranged on the annular guide rail, a driving mechanism arranged in the testing box main body and used for being matched with the extrusion block assembly, a liquid injection mechanism fixedly arranged on one side of the outer end of the testing box main body and a power device fixedly arranged in the testing box main body and used for being matched with the inflating mechanism and the driving mechanism to work. According to the invention, the fixed-length and quantitative placement of the high-molecular plastic film into the test box main body can be realized through the arranged extrusion block assembly, the annular guide rail and the driving mechanism matched with the annular guide rail, so that the detection of multiple groups of plastic films can be conveniently carried out simultaneously, and the data comparison and penetration are convenient; in conclusion, the beneficial effects of convenience in operation and improvement of detection efficiency and precision are achieved.
Description
Technical Field
The invention relates to the technical field of corrosion resistance testing of polymer plastic films, in particular to a corrosion resistance testing device for a polymer plastic film.
Background
The high molecular plastic film is a film made of organic high molecular polymer. With the development of petroleum industry and science and technology, the application field of polymer plastic films is continuously expanded, and the original packaging films are developed into intelligent polymer films, polymer functional films and the like. The most used of them are selective separation membranes such as ion exchange membranes, microfiltration membranes, ultrafiltration membranes, liquid crystal membranes and the like. The applied fields include nuclear fuel and metal extraction, gas separation, seawater desalination, ultrapure water preparation, sewage and waste treatment, artificial organ manufacture, medicine, food, agriculture, chemical industry and the like.
After the plastic film is manufactured, the corrosion resistance degree of the plastic film needs to be detected, and the plastic film is corroded by general raining or acidic liquid in the nature, so that the plastic film after being researched and developed or the plastic film after being generated needs to be subjected to corrosion resistance detection, the quality of the plastic film is ensured, however, most of the conventional polymer plastic films are detected by a single plastic film, the detection of multiple groups of plastic films in the same environment cannot be achieved, and certain errors may occur in the detection.
Disclosure of Invention
The invention aims to: the corrosion resistance testing device for the polymer plastic film is provided for solving the problem that most of the conventional polymer plastic film detecting devices cannot detect a plurality of groups of plastic films simultaneously.
In order to achieve the purpose, the invention adopts the following technical scheme:
a corrosion resistance testing device for a polymer plastic film comprises a testing box main body, an inflating mechanism fixedly arranged on one side inside the testing box main body, an annular guide rail fixedly arranged inside the testing box main body, an extrusion block assembly arranged on the annular guide rail, a driving mechanism arranged inside the testing box main body and used for being matched with the extrusion block assembly, a transmission mechanism fixedly arranged on the outer side wall of the testing box main body, a liquid injection mechanism fixedly arranged on one side of the outer end of the testing box main body and a power device fixedly arranged inside the testing box main body and used for being matched with the inflating mechanism and the driving mechanism to work;
the test box main body comprises a test box body and a material containing box fixedly arranged at one end of the test box body, and a glass visual window is fixedly arranged at the top end of the test box body;
the driving mechanism comprises a second gear rotatably arranged in the box body of the test box and a cross fixing frame fixedly arranged on the side wall of the box body of the test box, the second gear is meshed with a fifth gear, the central shaft of the second gear is connected with a first rotating rod, the first rotating rod penetrates through the cross fixing frame, a first rotating disc is fixedly arranged at one end of the first rotating rod far away from the second gear, a second driving transmission wheel is arranged at a position between the second gear and the first rotating disc of the first rotating rod, the second driving transmission wheel is connected with a second driven transmission wheel through a second synchronous transmission belt, the second driven transmission wheel is fixedly arranged on the second rotating rod, the second rotating rod is rotatably arranged at the upper end of the cross fixing frame and is symmetrical to the first rotating rod, and a second rotating disc is fixedly arranged at one end of the second rotating rod facing the inside of the box body of the test box, a third rotary table is fixedly arranged at one end of the second rotary rod, which is far away from the second rotary table, fixed blocks are arranged on the second gear, the first rotary table, the second rotary table and the third rotary table, and a spring telescopic rod is fixedly arranged on each fixed block;
the spring telescopic link, the spring telescopic link slides and sets up the inside slide bar of sleeve including fixed sleeve that sets up on the fixed block and through the spout, be provided with first return spring between slide bar and the sleeve is inside, the slide bar is kept away from telescopic one end and is fixed and be provided with the fixing base, the inside second guide arm that is provided with of fixing base, second guide arm intermediate position slides and is provided with the ejector pin, the one end that the ejector pin is close to the fixing base slides through the spout and sets up at the inside lateral wall of fixing base, just the lower extreme all on the ejector pin and the fixing base about between the inner wall fixed be provided with the second return spring, the second return spring housing is established on.
As a further description of the above technical solution:
the power device comprises a driving motor fixedly arranged on the side wall of the outer end of the test box body, an output shaft of the driving motor is connected with a transmission shaft, the transmission shaft penetrates through the test box body, a driving half gear is fixedly arranged at one end, far away from the driving motor, of the test box body, and a first gear is meshed with one end, far away from the second gear, of the driving half gear.
As a further description of the above technical solution:
the inflation mechanism comprises an installation frame fixedly arranged on the upper left side inside the box body of the test box, a first guide rod and a rack post arranged inside the installation frame, an inflation sleeve is fixedly arranged at the upper end inside the installation frame, an L-shaped connecting sleeve is arranged below the inflation sleeve and sleeved on the first guide rod, a fourth guide rod is arranged at the right end inside the L-shaped connecting sleeve, the rack post is sleeved on the fourth guide rod, a first reset spring is fixedly arranged between the rack post and the bottom end inside the L-shaped connecting sleeve, a second reset spring is fixedly arranged between the upper end of the L-shaped connecting sleeve and the top end inside the installation frame, a first push rod is fixedly arranged at the position right below the inflation sleeve of the L-shaped connecting sleeve, the upper end of the first push rod is slidably arranged inside the inflation sleeve, and an air inlet valve is arranged at the left end of the top, and the right end of the top of the inflating sleeve is provided with an air outlet pipe.
As a further description of the above technical solution:
the transmission mechanism comprises a transmission box fixedly arranged on the outer side wall of the box body of the test box and a first driving transmission wheel arranged in the transmission box, the central shaft of the fifth gear is connected with a third rotating rod which penetrates through the box body of the test box and the side wall of the transmission box, the first driving transmission wheel is fixedly arranged at one end of the third rotating rod positioned in the transmission box, the first driving transmission wheel is connected with a first driven transmission wheel through a first synchronous transmission belt, the central shaft of the first driven transmission wheel is connected with a fourth rotating rod, a third gear is fixedly arranged at one end of the fourth rotating rod far away from the first driven transmission wheel, the third gear is in meshed connection with a fourth gear, the center pin of fourth gear is connected with the fifth bull stick, the fifth bull stick runs through transmission case and test box lateral wall, just the one end fixedly connected with fifth gear that the fourth gear was kept away from to the fifth bull stick.
As a further description of the above technical solution:
annotate liquid mechanism including fixed notes liquid case that sets up at the outside lateral wall of test box and the second push rod of slip setting in annotating liquid incasement portion, second push rod top is provided with the case lid, second push rod upper end is provided with the piston, it is provided with the drain pipe to annotate liquid case right side top.
As a further description of the above technical solution:
the material holds incasement portion and is provided with the wind-up roll that is used for placing polymer plastic film, the material holds incasement portion intermediate position and is provided with the driven voller that is used for cooperating the wind-up roll to use.
As a further description of the above technical solution:
and one end of the air outlet pipe, which is far away from the inflating mechanism, is fixedly connected to the bottom end of the liquid injection tank.
As a further description of the above technical solution:
the extrusion piece subassembly includes the extrusion piece body, extrusion piece body upper end is provided with the third guide arm, it is provided with guide roller to slide on the third guide arm, be provided with fourth reset spring between guide roller and the third guide arm, the ring channel has been seted up to the ring guide bottom, guide roller slides and sets up inside the ring channel, one section that the extrusion piece body is close to the spring telescopic link is seted up and is used for cooperating the ejector pin wedge groove.
As a further description of the above technical solution:
and a liquid outlet used for being matched with the detection liquid to discharge is formed in the lower side of the box body of the test box.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the invention, the detection liquid can be injected into the test box main body at regular time and quantity through the arranged liquid injection mechanism, and the inflation mechanism and the power device which are matched with the liquid injection mechanism for use, so that the detection accuracy is improved; through the arranged extrusion block assembly, the annular guide rail and the driving mechanism matched with the annular guide rail, the fixed-length and quantitative placement of the polymer plastic film into the test box main body can be realized, so that the detection of multiple groups of plastic films can be conveniently carried out simultaneously, and the data comparison and penetration are convenient; in conclusion, the beneficial effects of convenience in operation and improvement of detection efficiency and precision are achieved.
Drawings
FIG. 1 is a schematic view showing an appearance structure of a corrosion resistance testing device for a polymer plastic film provided by the invention;
FIG. 2 is a cross-sectional view of a polymer plastic film corrosion resistance testing apparatus according to the present invention;
FIG. 3 is a schematic cross-sectional view of different depths of a corrosion resistance testing device for polymer plastic films provided by the present invention;
FIG. 4 is a schematic top view illustrating a driving mechanism of a corrosion resistance testing device for polymer plastic films according to the present invention;
FIG. 5 shows a cross-sectional view A-A of the transmission of FIG. 4 in accordance with the present invention;
FIG. 6 is an enlarged schematic structural view of a spring telescopic rod of the corrosion resistance testing device for the polymer plastic film, provided by the invention;
FIG. 7 is an enlarged schematic structural diagram of an inflation mechanism of a corrosion resistance testing device for polymer plastic films, provided by the invention;
FIG. 8 shows an enlarged structural schematic diagram of a liquid injection mechanism of a corrosion resistance testing device for polymer plastic films, provided by the invention.
Illustration of the drawings:
1. a test box main body; 2. a power plant; 3. an inflation mechanism; 4. a drive mechanism; 5. a transmission mechanism; 6. a liquid injection mechanism; 7. an annular guide rail; 8. an extrusion block assembly; 9. a wind-up roll; 10. a driven roller; 101. a test box body; 102. a material holding box; 103. a glass visual window; 201. a drive motor; 202. a driving half gear; 203. a first gear; 301. an L-shaped connecting sleeve; 302. a rack post; 303. a first guide bar; 304. a first return spring; 305. a second return spring; 306. a mounting frame; 307. an inflatable sleeve; 308. a first push rod; 309. an intake valve; 310. an air outlet pipe; 401. a second gear; 402. a first turntable; 403. a second turntable; 404. a third turntable; 405. a spring telescopic rod; 406. a fixed block; 407. a cross-shaped fixing frame; 408. a fifth gear; 501. a transmission case; 502. a first driving transmission wheel; 503. a first driven transmission wheel; 504. a third gear; 505. a fourth gear; 601. a liquid injection tank; 602. a second push rod; 603. a piston; 604. a box cover; 605. a liquid outlet pipe; 4051. a sleeve; 4052. a slide bar; 4053. a first return spring; 4054. a fixed seat; 4055. a second guide bar; 4056. a second return spring; 4057. a top rod; 801. extruding the block body; 802. a third guide bar; 803. and (4) guiding the roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a corrosion resistance testing device for polymer plastic films comprises a testing box body 1, an inflating mechanism 3 fixedly arranged on one side inside the testing box body 1, an annular guide rail 7 fixedly arranged inside the testing box body 1, an extrusion block assembly 8 arranged on the annular guide rail 7, a driving mechanism 4 arranged inside the testing box body 1 and used for being matched with the extrusion block assembly 8, a transmission mechanism 5 fixedly arranged on the outer side wall of the testing box body 1, an injection mechanism 6 fixedly arranged on one side of the outer end of the testing box body 1 and a power device 2 fixedly arranged inside the testing box body 1 and used for being matched with the inflating mechanism 3 and the driving mechanism 4 to work;
the test box body 1 comprises a test box body 101 and a material containing box 102 fixedly arranged at one end of the test box body 101, and a glass visual window 103 is fixedly arranged at the top end of the test box body 101;
the driving mechanism 4 comprises a second gear 401 rotatably arranged in the test box body 101 and a cross fixing frame 407 fixedly arranged on the side wall of the test box body 101, the second gear 401 is engaged with a fifth gear 408, a central shaft of the second gear 401 is connected with a first rotating rod, the first rotating rod penetrates through the cross fixing frame 407, one end of the first rotating rod far away from the second gear 401 is fixedly provided with a first rotating disc 402, a second driving transmission wheel is arranged at a position between the second gear 401 and the first rotating disc 402, the second driving transmission wheel is connected with a second driven transmission wheel through a second synchronous transmission belt, the second driven transmission wheel is fixedly arranged on the second rotating rod, the second rotating rod is rotatably arranged at a position symmetrical to the first rotating rod at the upper end of the cross fixing frame 407, one end of the second rotating rod facing the interior of the test box body 101 is fixedly provided with a second rotating disc 403, one end of the second rotating rod far away from the second rotating disc 403 is fixedly provided with a third rotating disc 404, the second gear 401, the first rotating disc 402, the second rotating disc 403 and the third rotating disc 404 are all provided with fixed blocks 406, and the fixed blocks 406 are fixedly provided with spring telescopic rods 405;
spring telescopic link 405, spring telescopic link 405 slides the slide bar 4052 that sets up the inside sleeve 4051 including fixed sleeve 4051 that sets up on fixed block 406 and through the spout, be provided with first return spring 4053 between slide bar 4052 and the sleeve 4051 inside, the fixed fixing base 4054 that is provided with of one end that sleeve 4051 was kept away from to slide bar 4052, the inside second guide arm 4055 that is provided with of fixing base 4054, second guide arm 4055 intermediate position slides and is provided with ejector pin 4057, the one end that ejector pin 4057 is close to fixing base 4054 slides through the spout and sets up at the inside lateral wall of fixing base 4054, and the fixed second return spring 4056 that is provided with between the upper and lower inner wall of the equal and fixing base 4054 of ejector pin 4057 upper and lower extreme, second return spring 4056 overlaps.
Further, power device 2 is including fixed driving motor 201 that sets up at test box 101 outer end lateral wall, and driving motor 201's output shaft has the transmission shaft, and the transmission shaft runs through test box 101, and test box 101 keeps away from the fixed initiative half-gear 202 that is provided with of one end of driving motor 201, and the meshing of the one end that second gear 401 was kept away from to initiative half-gear 202 is connected with first gear 203.
Further, the inflation mechanism 3 includes a mounting frame 306 fixedly disposed at the upper left side inside the testing box 101, a first guide rod 303 and a rack post 302 disposed inside the mounting frame 306, an inflation sleeve 307 is fixedly disposed at the upper end inside the mounting frame 306, an L-shaped connecting sleeve 301 is disposed below the inflation sleeve 307, the L-shaped connecting sleeve 301 is sleeved on the first guide rod 303, a fourth guide rod is disposed at the right end inside the L-shaped connecting sleeve 301, the rack post 302 is sleeved on the fourth guide rod, a first return spring 304 is fixedly disposed between the rack post 302 and the bottom end inside the L-shaped connecting sleeve 301, a second return spring 305 is fixedly disposed between the upper end of the L-shaped connecting sleeve 301 and the top end inside the mounting frame 306, a first push rod 308 is fixedly disposed at a position right below the inflation sleeve 307, the upper end of the first push rod 308 is slidably disposed inside the inflation sleeve 307, and an air inlet valve 309 is disposed at the, the right end of the top of the inflating sleeve 307 is provided with an air outlet pipe 310.
Further, the transmission mechanism 5 comprises a transmission case 501 fixedly arranged on the outer side wall of the test case body 101 and a first driving transmission wheel 502 arranged inside the transmission case 501, a central shaft of the fifth gear 408 is connected with a third rotating rod, the third rotating rod penetrates through the test case body 101 and the side wall of the transmission case 501, the first driving transmission wheel 502 is fixedly arranged at one end of the third rotating rod positioned inside the transmission case 501, the first driving transmission wheel 502 is connected with a first driven transmission wheel 503 through a first synchronous transmission belt, the central shaft of the first driven transmission wheel 503 is connected with a fourth rotating rod, one end of the fourth rotating rod far away from the first driven transmission wheel 503 is fixedly provided with a third gear 504, the third gear 504 is connected with a fourth gear 505 in a meshing manner, the central shaft of the fourth gear 505 is connected with a fifth rotating rod, and the fifth rotating rod penetrates through the transmission case 501 and the side wall of the test case body 101, and one end of the fifth rotating rod far away from the fourth gear 505 is fixedly connected with a fifth gear 408.
Further, annotate liquid mechanism 6 and include that fixed setting is in annotating liquid case 601 of test box 101 outside lateral wall and the second push rod 602 of slip setting in annotating liquid incasement 601 inside, and second push rod 602 top is provided with case lid 604, is provided with piston 603 between second push rod 602 and the notes liquid case 601, annotates liquid case 601 right-hand member side top and is provided with drain pipe 605.
Further, the material holds that inside being provided with of case 102 is used for placing polymer plastic film's wind-up roll 9, and the material holds that the inside intermediate position of case 102 is provided with and is used for cooperating the driven voller 10 that wind-up roll 9 used.
Further, one end of the air outlet pipe 310 far away from the inflating mechanism 3 is fixedly connected to the bottom end of the liquid injection tank 601.
Further, the extrusion block assembly 8 comprises an extrusion block body 801, a third guide rod 802 is arranged at the upper end of the extrusion block body 801, a guide roller 803 is arranged on the third guide rod 802 in a sliding manner, a fourth reset spring is arranged between the guide roller 803 and the third guide rod 802, an annular groove is formed in the bottom end of the annular guide rail 7, the guide roller 803 is arranged inside the annular groove in a sliding manner, and a section of the extrusion block body 801, which is close to the spring telescopic rod 405, is provided with a wedge-shaped groove for being matched with the ejector rod 4057.
Further, a liquid outlet used for being matched with the detection liquid to discharge is arranged below the side of the box body 101 of the test box.
The working principle is as follows: when the material containing box is used, firstly, a polymer plastic film to be detected is placed on the winding roller 9 in the material containing box 102, the plastic film is wound on the winding roller 9, one end of the plastic film is placed on the first extrusion block body 801 through the feeding hole in one side, and a plurality of anti-falling reserved plastic films are reserved; further opening the case cover 604, and injecting the detection liquid into the injection case 601; further turning on the driving motor 201, the driving motor 201 further drives the transmission shaft to rotate, the transmission shaft further drives the driving half gear 202 fixedly connected with the transmission shaft to rotate, the driving half gear 202 further drives the second gear 401 meshed with the transmission shaft to rotate, the second gear 401 further drives the first rotating disc 402 at one end of the first rotating rod to rotate, the first rotating rod further drives the second driving transmission wheel to rotate, the second driving transmission wheel drives the second driven transmission wheel to rotate through a second synchronous transmission belt, the second driven transmission wheel further drives the second rotating rod fixedly connected with the central shaft of the second rotating rod to rotate, further drives the second rotating disc 403 and the third rotating disc 404 fixedly arranged at the two ends of the second rotating rod to rotate, further the first rotating disc 402, the second rotating disc 403 and the third rotating disc 404 drive the spring telescopic rod 405 fixedly connected with the fixed block 406 at the upper end of the spring telescopic rod 405 to move, and the slide bar 4052 at one end of the spring telescopic rod 405 far away from the third rotating disc 404 further drives the extrusion telescopic rod 4052 The pressing block assemblies 8 move, the two groups of extrusion block assemblies 8 are further synchronously matched to compress and transmit the polymer plastic film, and the polymer plastic film is transmitted to the interior of the box body 101 of the test box so as to facilitate the next operation;
when the driving half gear 202 is disengaged from the second gear 401, the driving half gear 202 further drives the first gear 203 to rotate, the first gear 203 further drives the rack post 302 engaged with the first gear to move, the rack post 302 further drives the L-shaped connecting sleeve 301 to move upwards in the first guide rod 303, the L-shaped connecting sleeve 301 further drives the first push rod 308 to ascend in the inflatable sleeve 307, so that air entering the inflatable sleeve 307 through the air inlet valve 309 can be extruded, and the extruded air is further guided into the bottom end of the interior of the liquid injection tank 601 through the air outlet pipe 310;
aerify inside by the leading-in bottom of notes liquid case 601 of extruded air of sleeve 307, further by the extrusion air promote second push rod 602 rise in annotating liquid case 601 inside, further second push rod 602 will annotate the inside detection liquid of liquid case 601 and derive through drain pipe 605, the detection liquid of derivation leads the one end that is located test box 101 inside through drain pipe 605 and drips on the polymer plastic film, repeat above-mentioned operation, until the transmission into test box 101 inside all polymer plastic films all drip detection liquid after, stop driving motor 201, observe the inside polymer plastic film reaction effect of test box 101 through glass visual window 103, make things convenient for multidata comparison, avoid the contingency of single data.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The corrosion resistance testing device for the polymer plastic film is characterized by comprising a testing box main body (1), an inflating mechanism (3) fixedly arranged on one side inside the testing box main body (1), an annular guide rail (7) fixedly arranged inside the testing box main body (1), an extrusion block assembly (8) arranged on the annular guide rail (7), a driving mechanism (4) arranged inside the testing box main body (1) and used for matching with the extrusion block assembly (8), a transmission mechanism (5) fixedly arranged on the outer side wall of the testing box main body (1), an injecting mechanism (6) fixedly arranged on one side of the outer end of the testing box main body (1) and a power device (2) fixedly arranged inside the testing box main body (1) and used for matching with the inflating mechanism (3) and the driving mechanism (4) to work;
the test box main body (1) comprises a test box body (101) and a material containing box (102) fixedly arranged at one end of the test box body (101), and a glass visual window (103) is fixedly arranged at the top end of the test box body (101);
the driving mechanism (4) comprises a second gear (401) rotatably arranged in the test box body (101) and a cross fixing frame (407) fixedly arranged on the side wall of the test box body (101), the second gear (401) is meshed and connected with a fifth gear (408), a central shaft of the second gear (401) is connected with a first rotating rod, the first rotating rod penetrates through the cross fixing frame (407), one end of the first rotating rod, far away from the second gear (401), is fixedly provided with a first rotating disc (402), a second driving transmission wheel is arranged at a position, between the second gear (401) and the first rotating disc (402), of the first rotating rod, the second driving transmission wheel is connected with a second driven transmission wheel through a second synchronous transmission belt, the second driven transmission wheel is fixedly arranged on the second rotating rod, the second rotating rod is rotatably arranged at a position, symmetrical to the first rotating rod, of the upper end of the cross fixing frame (407), a second rotary table (403) is fixedly arranged at one end of the second rotary rod facing the interior of the test box body (101), a third rotary table (404) is fixedly arranged at one end of the second rotary rod far away from the second rotary table (403), fixed blocks (406) are arranged on the second gear (401), the first rotary table (402), the second rotary table (403) and the third rotary table (404), and a spring telescopic rod (405) is fixedly arranged on each fixed block (406);
the spring telescopic rod (405), the spring telescopic rod (405) comprises a sleeve (4051) fixedly arranged on the fixed block (406) and a sliding rod (4052) arranged in the sleeve (4051) in a sliding way through a sliding groove, a first return spring (4053) is arranged between the sliding rod (4052) and the sleeve (4051), one end of the sliding rod (4052) far away from the sleeve (4051) is fixedly provided with a fixed seat (4054), a second guide rod (4055) is arranged inside the fixed seat (4054), a push rod (4057) is arranged at the middle position of the second guide rod (4055) in a sliding manner, one end of the push rod (4057) close to the fixed seat (4054) is arranged on the inner side wall of the fixed seat (4054) in a sliding way through the sliding groove, and a second return spring (4056) is fixedly arranged between the upper end and the lower end of the ejector rod (4057) and the upper inner wall and the lower inner wall of the fixed seat (4054), and the second return spring (4056) is sleeved on the second guide rod (4055).
2. The corrosion resistance testing device for the polymer plastic film according to claim 1, wherein the power device (2) comprises a driving motor (201) fixedly arranged on the side wall of the outer end of the testing box body (101), an output shaft of the driving motor (201) is connected with a transmission shaft, the transmission shaft penetrates through the testing box body (101), a driving half gear (202) is fixedly arranged at one end, far away from the driving motor (201), of the testing box body (101), and one end, far away from the second gear (401), of the driving half gear (202) is connected with a first gear (203) in a meshing manner.
3. The corrosion resistance testing device for the polymer plastic film as claimed in claim 1, wherein the inflation mechanism (3) comprises a mounting frame (306) fixedly arranged at the upper left side of the inside of the testing box body (101), a first guide rod (303) and a rack post (302) arranged inside the mounting frame (306), an inflation sleeve (307) is fixedly arranged at the upper end inside the mounting frame (306), an L-shaped connecting sleeve (301) is arranged below the inflation sleeve (307), the L-shaped connecting sleeve (301) is sleeved on the first guide rod (303), a fourth guide rod is arranged at the right end inside the L-shaped connecting sleeve (301), the rack post (302) is sleeved on the fourth guide rod, a first return spring (304) is fixedly arranged between the rack post (302) and the bottom end inside the L-shaped connecting sleeve (301), and a second return spring (305) is fixedly arranged between the upper end of the L-shaped connecting sleeve (301) and the top end inside the mounting frame (306) The L-shaped connecting sleeve (301) is located a first push rod (308) fixedly arranged at a position right below an inflating sleeve (307), the upper end of the first push rod (308) is slidably arranged inside the inflating sleeve (307), an air inlet valve (309) is arranged at the left end of the top of the inflating sleeve (307), and an air outlet pipe (310) is arranged at the right end of the top of the inflating sleeve (307).
4. The corrosion resistance testing device for the polymer plastic film according to claim 1, wherein the transmission mechanism (5) comprises a transmission case (501) fixedly arranged on the outer side wall of the testing case body (101) and a first driving transmission wheel (502) arranged inside the transmission case (501), a third rotating rod is connected to a central shaft of the fifth gear (408), the third rotating rod penetrates through the side walls of the testing case body (101) and the transmission case (501), the first driving transmission wheel (502) is fixedly arranged at one end of the third rotating rod, which is located at the inner position of the transmission case (501), the first driving transmission wheel (502) is connected with a first driven transmission wheel (503) through a first synchronous transmission belt, a fourth rotating rod is connected to the central shaft of the first driven transmission wheel (503), and a third gear (504) is fixedly arranged at one end of the fourth rotating rod, which is far away from the first driven transmission wheel (503), the third gear (504) is connected with a fourth gear (505) in a meshing manner, the central shaft of the fourth gear (505) is connected with a fifth rotating rod, the fifth rotating rod penetrates through the side walls of the transmission box (501) and the testing box body (101), and one end, far away from the fourth gear (505), of the fifth rotating rod is fixedly connected with a fifth gear (408).
5. The corrosion resistance testing device for the polymer plastic film according to claim 1, wherein the liquid injection mechanism (6) comprises a liquid injection box (601) fixedly arranged on the outer side wall of the testing box body (101) and a second push rod (602) slidably arranged inside the liquid injection box (601), a box cover (604) is arranged at the top end of the second push rod (602), a piston (603) is arranged at the upper end of the second push rod (602), and a liquid outlet pipe (605) is arranged above the right end side of the liquid injection box (601).
6. The corrosion resistance testing device for the high polymer plastic films according to claim 1, wherein a winding roller (9) for placing the high polymer plastic films is arranged inside the material containing box (102), and a driven roller (10) for matching with the winding roller (9) is arranged in the middle inside the material containing box (102).
7. The corrosion resistance testing device for the polymer plastic film according to claim 3, wherein one end of the air outlet pipe (310) far away from the inflating mechanism (3) is fixedly connected to the bottom end of the liquid injection tank (601).
8. The corrosion resistance testing device for the polymer plastic film according to claim 1, wherein the extrusion block assembly (8) comprises an extrusion block body (801), a third guide rod (802) is arranged at the upper end of the extrusion block body (801), a guide roller (803) is arranged on the third guide rod (802) in a sliding manner, a fourth reset spring is arranged between the guide roller (803) and the third guide rod (802), an annular groove is formed in the bottom end of the annular guide rail (7), the guide roller (803) is arranged inside the annular groove in a sliding manner, and a wedge groove used for being matched with the ejector rod (4057) is formed in a section of the extrusion block body (801) close to the spring telescopic rod (405).
9. The corrosion resistance testing device for the polymer plastic film according to claim 1, wherein a liquid outlet for discharging a detection liquid in a matching manner is arranged below the side of the testing box body (101).
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