CN114323963A - Variable-temperature tension testing device for testing performance of cold-resistant and wear-resistant PA66 polymer - Google Patents
Variable-temperature tension testing device for testing performance of cold-resistant and wear-resistant PA66 polymer Download PDFInfo
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- CN114323963A CN114323963A CN202111622410.6A CN202111622410A CN114323963A CN 114323963 A CN114323963 A CN 114323963A CN 202111622410 A CN202111622410 A CN 202111622410A CN 114323963 A CN114323963 A CN 114323963A
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 229920002302 Nylon 6,6 Polymers 0.000 title claims abstract description 22
- 229920000642 polymer Polymers 0.000 title claims abstract description 19
- 238000011056 performance test Methods 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 4
- 229920006351 engineering plastic Polymers 0.000 abstract description 33
- 238000009864 tensile test Methods 0.000 abstract description 7
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- 229920005992 thermoplastic resin Polymers 0.000 description 1
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Abstract
The invention provides a variable temperature tension testing device for testing the performance of a cold-resistant and wear-resistant PA66 polymer, and relates to the technical field of tension testing of engineering plastics. This alternating temperature tension test device that cold-resistant wear-resisting PA66 polymer performance test was used, including the base, two sliding trays have been seted up to base one side, and base one side is provided with two sliding seats, inside and with base swing joint of sliding seat one end embedding sliding tray, sliding seat one side is provided with to add and holds the seat, adds to hold seat one side and is provided with link assembly. This alternating temperature tension test device that cold-resistant wear-resisting PA66 polymer performance test was used sets up two sliding seats and two and adds the seat through setting up in base one side, when promoting the second splint through link assembly for the second splint are close to towards first splint along the direction of movable block, is formed with second splint and first splint and adds the engineering plastics in the middle of it and holds, adds by second splint and first splint and holds engineering plastics, so that follow-up carries out the tensile test work to engineering plastics.
Description
Technical Field
The invention relates to the technical field of tension test of engineering plastics, in particular to a variable-temperature tension test device for a cold-resistant and wear-resistant PA66 polymer performance test.
Background
PA66, commonly referred to as polyhexamethylene adipamide, is a thermoplastic resin, white solid, having a density of 1.14, and is commonly known as nylon-66. The melting point is 253 ℃, the high-strength high-rigidity high.
At present, during the test, the tensile test is generally carried out on the accessories manually, when the tensile test is carried out on the accessories, the manual pulling angle and the manual pulling speed are different, and the tested product is easy to deform and scrap, so that the temperature-variable tensile test device for the performance test of the cold-resistant and wear-resistant PA66 polymer is designed to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a variable-temperature tension testing device for testing the performance of a cold-resistant and wear-resistant PA66 polymer, which solves the problem that when the tension test is manually carried out on accessories, the pulling angle and the pulling speed of a worker are different, and the tested products are easy to deform, so that scrapping is caused, by arranging two sliding grooves on one side of a base, movably connecting sliding seats in the sliding grooves and using the two sliding seats, the two clamping seats, the two connecting rod assemblies, a pushing plate and an air cylinder in a matching way.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the variable-temperature tension testing device for the cold-resistant and wear-resistant PA66 polymer performance test comprises a base, wherein two sliding grooves are formed in one side of the base, two sliding seats are arranged on one side of the base and respectively correspond to the two sliding grooves, one end of each sliding seat is embedded into the corresponding sliding groove and movably connected with the base, a clamping seat is arranged on one side of each sliding seat, a connecting rod assembly is arranged on one side of each clamping seat and comprises a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are arranged in a crossed mode, one end of each first connecting rod and one end of each second connecting rod are movably connected through the corresponding second connecting seat, and the other end of each first connecting rod and the other end of each second connecting rod are correspondingly connected to the two clamping seats;
the push plate is arranged on one side of the connecting rod assembly, one side of the push plate is fixedly connected with the second connecting seat, and the air cylinder is arranged on one side of the push plate.
Preferably, the top and the bottom of sliding tray inside all activity inlays on the base and is equipped with a plurality of balls, and is a plurality of the ball equidistance evenly distributed.
Preferably, the sliding seat comprises a sliding part, a connecting part and a first clamping plate, the sliding part is movably embedded in the sliding groove, the sliding part is abutted to the balls, and the sliding part is connected with the base in a sliding mode through the balls.
Preferably, one end of the connecting part is fixedly connected with the sliding part, one end of the connecting part extends to the outer side of the base and is fixedly connected with the first clamping plate, and a penetrating groove is formed in the bottom of the first clamping plate.
Preferably, add and hold the seat and include the second splint, the position department fixedly connected with movable block in second splint one side bottom correspondence breakthrough groove, the movable block runs through the second splint and extends to second splint one side through breakthrough groove, movable block one end fixedly connected with limiting plate.
Preferably, first connecting rod and the equal swing joint of second connecting rod one end have first connecting seat, first connecting rod and second connecting rod one end correspond respectively through first connecting seat and are connected with two second splint.
Preferably, the connecting rod assemblies are arranged in two groups, and the two groups of connecting rod assemblies are symmetrically arranged along the central line of the mounting plate.
Preferably, base one side is provided with the mounting panel, the cylinder is fixed to be set up in the inside of mounting panel, the output and the push pedal fixed connection of cylinder.
The invention provides a variable temperature tension testing device for testing the performance of a cold-resistant and wear-resistant PA66 polymer, which has the following beneficial effects:
1. the two sliding seats and the two clamping seats are arranged on one side of the base, when the second clamping plate is pushed by the connecting rod assembly, the second clamping plate is close to the first clamping plate along the direction of the movable block, so that the second clamping plate and the first clamping plate are formed to clamp the engineering plastics in the middle of the second clamping plate, and the second clamping plate and the first clamping plate clamp the engineering plastics, so that the subsequent tension test work on the engineering plastics is facilitated;
2. the distance between the whole sliding seat and the clamping seat can be adjusted, and the distance between the first clamping plate and the second clamping plate in the sliding seat can be movably adjusted, so that the device can be suitable for engineering plastics with different lengths and different thicknesses to carry out tension test work;
3. through set up the push pedal in link assembly one side, push pedal one side is provided with the cylinder, promote the push pedal by the cylinder and act on the second connecting seat, exert thrust promptly to the second connecting seat, make the one end of first connecting rod and second connecting rod drive two sliding seat whole to both sides removal through second splint and first splint, in actual measurement, can fix between two first splint or second splint and set up force sensor, thereby when two first splint or two second splint remove to both sides, the numerical value that force sensor shows this moment, be the pulling force that current measurement engineering plastics received promptly, and is rational in infrastructure, and easy operation, conveniently carry out tensile test work, the impulse of reasonable control cylinder simultaneously, make measuring tensile data more accurate.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic illustration of an explosive structure according to the present invention;
fig. 3 is a front sectional view of the present invention.
In the figure:
1. a base; 11. a sliding groove; 12. a ball bearing;
2. a sliding seat; 21. a sliding part; 22. a connecting portion; 23. a first splint; 24. penetrating the groove;
3. a clamping seat; 31. a second splint; 32. a movable block; 33. a limiting plate;
4. a connecting rod assembly; 41. a first link; 42. a second link; 43. a first connecting seat; 44. a second connecting seat;
5. pushing the plate;
6. mounting a plate;
7. and a cylinder.
Detailed Description
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used by the invention can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a variable temperature tension testing device for the performance test of a cold-resistant and wear-resistant PA66 polymer, as shown in fig. 1-3, comprises a base 1, wherein one side of the base 1 is provided with two sliding grooves 11, one side of the base 1 is provided with two sliding seats 2, the two sliding seats 2 are respectively arranged corresponding to the two sliding grooves 11, one end of the sliding seat 2 is embedded into the sliding groove 11 and is movably connected with the base 1, one side of the sliding seat 2 is provided with a clamping seat 3, one side of the adding and holding seat 3 is provided with a connecting rod assembly 4, the connecting rod assembly 4 comprises a first connecting rod 41 and a second connecting rod 42, the first link 41 and the second link 42 are crossed and one end of the first link 41 and one end of the second link 42 are movably connected through a second connecting seat 44, the other ends of the first connecting rod 41 and the second connecting rod 42 are correspondingly connected to the two clamping seats 3;
one side of the connecting rod assembly 4 is provided with a push plate 5, one side of the push plate 5 is fixedly connected with the second connecting seat 44, and one side of the push plate 5 is provided with a cylinder 7.
Furthermore, a plurality of balls 12 are movably embedded in the top end and the bottom end of the inner part of the sliding groove 11 on the base 1, the balls 12 are uniformly distributed at equal intervals, the sliding seat 2 comprises a sliding part 21, a connecting part 22 and a first clamping plate 23, the sliding part 21 is movably embedded in the sliding groove 11, the sliding part 21 is abutted against the balls 12, and the sliding part 21 is slidably connected with the base 1 through the balls 12;
because sliding seat 2 includes sliding part 21, connecting portion 22 and first splint 23, and sliding part 21 sets up the inside of sliding tray 11 on base 1, and all movably inlay at the inside top of sliding tray 11 and bottom and be equipped with a plurality of balls 12, the setting of ball 12 reduces the frictional force of sliding part 21 between sliding tray 11 inside and base 1, thereby make sliding seat 2 whole slide inside sliding tray 11 more easily, sliding part 21 one side sets up connecting portion 22, sliding part 21 is connected with first splint 23 through connecting portion 22, it slides to be convenient for follow-up sliding seat 2 is whole to drive the direction along sliding tray 11 through sliding part 21, the setting of first splint 23 is in order to add and hold seat 3 and cooperate the use.
Further, one end of the connecting portion 22 is fixedly connected with the sliding portion 21, one end of the connecting portion 22 extends to the outer side of the base 1 and is fixedly connected with the first clamping plate 23, a penetrating groove 24 is formed in the bottom of the first clamping plate 23, the clamping base 3 comprises a second clamping plate 31, a movable block 32 is fixedly connected to a position, corresponding to the penetrating groove 24, of the bottom of one side of the second clamping plate 31, the movable block 32 penetrates through the second clamping plate 31 through the penetrating groove 24 and extends to one side of the second clamping plate 31, and a limiting plate 33 is fixedly connected to one end of the movable block 32;
the clamping seat 3 comprises a second clamping plate 31, a movable block 32 and a limiting plate 33, a certain distance is arranged between the second clamping plate 31 and the first clamping plate 23, the movable block 32 fixedly arranged at the bottom of the second clamping plate 31 penetrates through the penetrating groove 24 and extends to one side of the first clamping plate 23, so that a cavity is formed between the first clamping plate 23 and the second clamping plate 31, the limiting plate 33 is fixedly connected at one side of the movable block 32, the first clamping plate 23 and the second clamping plate 31 can be limited to avoid easy separation of the first clamping plate and the second clamping plate, engineering plastics can be placed between the first clamping plate 23 and the second clamping plate 31, the bottom of the engineering plastics is supported by the movable block 32, when the second clamping plate 31 is pushed by the connecting rod assembly 4, the second clamping plate 31 is enabled to approach towards the first clamping plate 23 along the direction of the movable block 32, so that the second clamping plate 31 and the first clamping plate 23 are formed to clamp the engineering plastics in the middle of the second clamping plate 31 and the first clamping plate 23, the engineering plastics are clamped by the second clamping plate 31 and the first clamping plate 23 so as to carry out tensile test work on the engineering plastics.
Furthermore, one end of each of the first connecting rod 41 and the second connecting rod 42 is movably connected with a first connecting seat 43, one end of each of the first connecting rod 41 and the second connecting rod 42 is correspondingly connected with the two second clamping plates 31 through the first connecting seats 43, two groups of connecting rod assemblies 4 are arranged, and the two groups of connecting rod assemblies 4 are symmetrically arranged along the central line of the mounting plate 6;
two groups of connecting rod assemblies 4 are arranged on one side of the second clamping plate 31, and a first connecting rod 41 and a second connecting rod 42 in the two groups of connecting rod assemblies 4 are arranged in a crossed mode, meanwhile, one ends of the first link 41 and the second link 42 are movably connected through the second connecting seat 44, the other ends of the first link 41 and the second link 42 are respectively arranged corresponding to the two first clamping plates 23 through a first connecting seat 43, and are movably connected with the first clamping plates 23, therefore, when a pushing force is applied to the second connecting seat 44, the second clamping plate 31 is driven to move towards the first clamping plate 23 through the whole connecting rod assembly 4, and then the second clamping plate 31 and the first clamping plate 23 form a clamping work for engineering plastics, in the process of pushing the second connecting seat 44, since the second clamping plate 31 and the first clamping plate 23 form clamping to the engineering plastics, and one side of the first clamping plate 23 is connected with the base 1 through the connecting part 22 and the sliding part 21;
thereby pushing the second connecting seat 44, making one end of the first connecting rod 41 and the second connecting rod 42 gradually move towards the same horizontal line, that is, the length of the whole horizontal direction of the first connecting rod 41 and the second connecting rod 42 is continuously increased, and then the first connecting rod 41 makes the whole sliding seat 2 move to one side of the base 1 through the second clamping plate 31 and the first clamping plate 23, and the second connecting rod 42 makes the whole sliding seat 2 move to the other side of the base 1 through the other second clamping plate 31 and the first clamping plate 23, so as to form two first clamping plates 23 and two second clamping plates 31 to respectively clamp two ends of the engineering plastics, and the pushing force of the second connecting seat 44 acts on the whole clamping seat 3 and the sliding seat 2 through the first connecting rod 41 and the second connecting rod 42, forming an effect of clamping and stretching the engineering plastics to two sides, in the actual measurement, a tension sensor can be fixedly arranged between the two first clamping plates 23 or the second clamping plates 31, therefore, when the two first clamping plates 23 or the two second clamping plates 31 move towards two sides, the numerical value displayed by the tension sensor is the tension value borne by the engineering plastic currently measured, and the tension sensor can adopt a TJL-1 tension test sensor.
Furthermore, a mounting plate 6 is arranged on one side of the base 1, the air cylinder 7 is fixedly arranged inside the mounting plate 6, and the output end of the air cylinder 7 is fixedly connected with the push plate 5;
because the second connecting seat 44 is fixedly installed at one side of the push plate 5, and one side of the push plate 5 is fixedly connected to the output end of the air cylinder 7, the air cylinder 7 pushes the push plate 5 to act on the second connecting seat 44, i.e. pushing force is applied to the second connecting seat 44, so that one ends of the first connecting rod 41 and the second connecting rod 42 drive the two sliding seats 2 to integrally move towards two sides through the second clamping plate 31 and the first clamping plate 23.
The implementation mode is specifically as follows: in the actual use process of the invention, the engineering plastic to be measured can be placed between the first clamping plate 23 and the second clamping plate 31, the movable block 32 supports the engineering plastic, when the second clamping plate 31 is pushed by the connecting rod assembly 4, the second clamping plate 31 is close to the first clamping plate 23 along the direction of the movable block 32, so that the second clamping plate 31 and the first clamping plate 23 clamp the engineering plastic in the middle, when in use, the engineering plastic is clamped by the second clamping plate 31 and the first clamping plate 23, the whole of the two sliding seats 2 can be manually limited in advance, the whole connecting rod assembly 4 is prevented from being pushed, the two sliding seats 2 are prevented from being displaced, and the belt is clamped and fixed by the first clamping plate 23 and the second clamping plate 31;
in the loosening restriction, since the second clamping plate 31 and the first clamping plate 23 form clamping to the engineering plastics, and since one side of the first clamping plate 23 is connected with the base 1 through the connecting part 22 and the sliding part 21, the second connecting seat 44 is pushed, so that one ends of the first connecting rod 41 and the second connecting rod 42 are gradually positioned on the same horizontal line, that is, the length of the whole horizontal direction of the first connecting rod 41 and the second connecting rod 42 is continuously increased, so that the whole sliding seat 2 is moved to one side of the base 1 by the first connecting rod 41 through the second clamping plate 31 and the first clamping plate 23, the whole sliding seat 2 is moved to the other side of the base 1 by the second connecting rod 42 through the other second clamping plate 31 and the first clamping plate 23, so that the two first clamping plates 23 and the two second clamping plates 31 are formed to respectively clamp both ends of the engineering plastics, and the pushing force of the second connecting seat 44 acts on the whole clamping seat 3 and the sliding seat 2 through the first connecting rod 41 and the second connecting rod 42, the effect of holding and stretching the engineering plastic towards two sides is formed;
in actual measurement, a tension sensor can be fixedly arranged between the two first clamping plates 23 or the two second clamping plates 31, so that when the two first clamping plates 23 or the two second clamping plates 31 move towards two sides, the numerical value displayed by the tension sensor is the tension value borne by the engineering plastic measured currently.
In conclusion, the two sliding seats and the two clamping seats are arranged on one side of the base, when the second clamping plate is pushed by the connecting rod assembly, the second clamping plate is close to the first clamping plate along the direction of the movable block, so that the second clamping plate and the first clamping plate are formed to clamp the engineering plastics in the middle of the second clamping plate, and the second clamping plate and the first clamping plate clamp the engineering plastics, so that the subsequent tension test work on the engineering plastics is facilitated;
the distance between the whole sliding seat and the clamping seat can be adjusted, and the distance between the first clamping plate and the second clamping plate in the sliding seat can be movably adjusted, so that the device can be suitable for engineering plastics with different lengths and different thicknesses to carry out tension test work;
through set up the push pedal in link assembly one side, push pedal one side is provided with the cylinder, promote the push pedal by the cylinder and act on the second connecting seat, exert thrust promptly to the second connecting seat, make the one end of first connecting rod and second connecting rod drive two sliding seat whole to both sides removal through second splint and first splint, in actual measurement, can fix between two first splint or second splint and set up force sensor, thereby when two first splint or two second splint remove to both sides, the numerical value that force sensor shows this moment, be the pulling force that current measurement engineering plastics received promptly, and is rational in infrastructure, and easy operation, conveniently carry out tensile test work, the impulse of reasonable control cylinder simultaneously, make measuring tensile data more accurate.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. Temperature-changing tension testing device for testing performance of cold-resistant and wear-resistant PA66 polymer comprises a base (1) and is characterized in that: two sliding grooves (11) are arranged on one side of the base (1), two sliding seats (2) are arranged on one side of the base (1), the two sliding seats (2) are respectively arranged corresponding to the two sliding grooves (11), one end of the sliding seat (2) is embedded into the sliding groove (11) and is movably connected with the base (1), a clamping seat (3) is arranged at one side of the sliding seat (2), a connecting rod component (4) is arranged at one side of the clamping seat (3), the connecting rod assembly (4) comprises a first connecting rod (41) and a second connecting rod (42), the first connecting rod (41) and the second connecting rod (42) are arranged in a crossed manner, one end of the first connecting rod (41) is movably connected with one end of the second connecting rod (42) through a second connecting seat (44), the other ends of the first connecting rod (41) and the second connecting rod (42) are correspondingly connected to the two clamping seats (3);
one side of the connecting rod component (4) is provided with a push plate (5), one side of the push plate (5) is fixedly connected with the second connecting seat (44), and one side of the push plate (5) is provided with a cylinder (7).
2. The variable temperature tension testing device for the performance test of the cold-resistant and wear-resistant PA66 polymer according to claim 1, wherein the variable temperature tension testing device comprises: the inside top and the bottom of sliding tray (11) all activity inlays and is equipped with a plurality of balls (12) on base (1), and is a plurality of ball (12) equidistance evenly distributed.
3. The variable temperature tension testing device for the performance test of the cold-resistant and wear-resistant PA66 polymer according to claim 1, wherein the variable temperature tension testing device comprises: the sliding seat (2) comprises a sliding portion (21), a connecting portion (22) and a first clamping plate (23), the sliding portion (21) is movably embedded in the sliding groove (11), the sliding portion (21) is abutted to the balls (12) and the sliding portion (21) is connected with the base (1) in a sliding mode through the balls (12).
4. The temperature-variable tension testing device for the performance test of the cold-resistant and wear-resistant PA66 polymer according to claim 3, wherein the temperature-variable tension testing device comprises: connecting portion (22) one end and sliding part (21) fixed connection and connecting portion (22) one end extend to the outside and first splint (23) fixed connection of base (1), penetrating groove (24) have been seted up to first splint (23) bottom.
5. The variable temperature tension testing device for the performance test of the cold-resistant and wear-resistant PA66 polymer according to claim 1, wherein the variable temperature tension testing device comprises: add and hold seat (3) including second splint (31), the position department fixedly connected with movable block (32) of corresponding penetrating groove (24) in second splint (31) one side bottom, movable block (32) run through second splint (31) and extend to second splint (31) one side through penetrating groove (24), movable block (32) one end fixedly connected with limiting plate (33).
6. The variable temperature tension testing device for the performance test of the cold-resistant and wear-resistant PA66 polymer according to claim 1, wherein the variable temperature tension testing device comprises: first connecting rod (41) and second connecting rod (42) one end all swing joint have first connecting seat (43), first connecting rod (41) and second connecting rod (42) one end correspond respectively through first connecting seat (43) and are connected with two second splint (31).
7. The variable temperature tension testing device for the performance test of the cold-resistant and wear-resistant PA66 polymer according to claim 1, wherein the variable temperature tension testing device comprises: the two groups of connecting rod assemblies (4) are arranged, and the two groups of connecting rod assemblies (4) are symmetrically arranged along the center line of the mounting plate (6).
8. The variable temperature tension testing device for the performance test of the cold-resistant and wear-resistant PA66 polymer according to claim 1, wherein the variable temperature tension testing device comprises: base (1) one side is provided with mounting panel (6), cylinder (7) are fixed to be set up in the inside of mounting panel (6), the output and push pedal (5) fixed connection of cylinder (7).
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| CN202111622410.6A CN114323963A (en) | 2021-12-28 | 2021-12-28 | Variable-temperature tension testing device for testing performance of cold-resistant and wear-resistant PA66 polymer |
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| CN202111622410.6A CN114323963A (en) | 2021-12-28 | 2021-12-28 | Variable-temperature tension testing device for testing performance of cold-resistant and wear-resistant PA66 polymer |
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