CN119309926A - A corrosion-resistant IGBT aluminum wire tensile test device - Google Patents
A corrosion-resistant IGBT aluminum wire tensile test device Download PDFInfo
- Publication number
- CN119309926A CN119309926A CN202411871450.8A CN202411871450A CN119309926A CN 119309926 A CN119309926 A CN 119309926A CN 202411871450 A CN202411871450 A CN 202411871450A CN 119309926 A CN119309926 A CN 119309926A
- Authority
- CN
- China
- Prior art keywords
- tensile
- aluminum wire
- platform
- stretching
- tensile test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth 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
本发明涉及一种抗腐蚀IGBT用铝丝拉伸试验装置，且涉及拉伸试验的技术领域；包括抗腐蚀IGBT用铝丝，还包括铝丝拉伸试验装置，其包括拉伸平台，拉伸平台的表面设有限位件，拉伸平台内设有控制限位件上铝丝进行拉伸的拉伸检测器；首先，限位件能有效提高铝丝夹持稳定性，有效减少其变形的受损率，还能保证铝丝在拉伸试验过程中的性能，避免铝丝在拉伸的过程中总是在夹持区域出现断裂的情况；其次，拉伸检测器能够在铝丝进行拉伸试验时，有效的保证铝丝拉伸试验的多样性以及适用性，避免铝丝拉伸试验结果出现偶然性；其不仅能实现铝丝拉伸试验的抗拉性能，且能保证铝丝在不同拉伸速度的情况下的抗拉性能。
The invention relates to an aluminum wire tensile test device for corrosion-resistant IGBT, and to the technical field of tensile tests; it comprises an aluminum wire for corrosion-resistant IGBT, and also comprises an aluminum wire tensile test device, which comprises a tensile platform, a limiter is arranged on the surface of the tensile platform, and a tensile detector for controlling the aluminum wire on the limiter to be stretched is arranged in the tensile platform; firstly, the limiter can effectively improve the clamping stability of the aluminum wire, effectively reduce the damage rate of its deformation, and can also ensure the performance of the aluminum wire during the tensile test, and avoid the situation that the aluminum wire always breaks in the clamping area during the stretching process; secondly, the tensile detector can effectively ensure the diversity and applicability of the aluminum wire tensile test when the aluminum wire is subjected to the tensile test, and avoid the randomness of the aluminum wire tensile test result; it can not only realize the tensile performance of the aluminum wire tensile test, but also ensure the tensile performance of the aluminum wire under different tensile speeds.
Description
Technical Field
The invention relates to the technical field of tensile tests, in particular to an aluminum wire tensile test device for an anti-corrosion IGBT.
Background
IGBTs are three-terminal semiconductor switching devices that are widely used in high voltage and high current applications, such as in industry, consumer electronics, and automotive applications, while corrosion resistant aluminum wire for IGBTs is an aluminum wire commonly used in IGBT packaging that has good corrosion resistance properties.
When the corrosion-resistant aluminum wire is applied to an IGBT, certain requirements are met on the performance of the corrosion-resistant aluminum wire, so that a tensile test device is usually required to detect the performance of the aluminum wire, and the corrosion-resistant aluminum wire is mainly used for measuring parameters such as tensile strength, breaking force, elongation and the like of the aluminum wire.
The utility model discloses a tensile frock for aluminum wire tensile test, chinese patent publication No. CN219657380U, relate to the tensile centre gripping technical field of wire drawing, including test bottom plate, the centre gripping guide ring is installed to test bottom plate's upside centre gripping, the inboard sliding connection of centre gripping guide ring has sealed baffle, external slide bar is installed to sealed baffle's surface clamping, the one end sliding connection that sealed baffle was kept away from to external slide bar is in the inboard of centre gripping guide ring, tensile frock for aluminum wire tensile test, then sealed baffle resets under the elasticity performance promotion of compressed first spring, so sealed baffle is to the butt joint groove formation shelter from spacingly, then make the aluminum wire possess the ease of centre gripping installation before carrying out tensile test this moment, also ensured the efficiency of carrying out the installation operation when carrying out tensile test of aluminum wire, need tie up to tie up on tensile frock when reducing traditional aluminum wire tensile, and take off the loaded down with trivial details of knot to tensile aluminum wire after the test.
However, the tensile test apparatus described above has some drawbacks in the practical use process:
1. In the prior art, when the aluminum wire is stretched, the clamping stability of the stretching tool is poor, the aluminum wire is easy to deform in the process of being clamped, so that the stretching performance of the clamped area of the aluminum wire is obviously weaker than that of other areas of the aluminum wire, the aluminum wire is often broken in the clamping area when the aluminum wire stretching test is carried out, and further, the accuracy of the test result is influenced in the process of carrying out the stretching test on the aluminum wire.
2. In the prior art, when the aluminum wire is subjected to a tensile test, the ultimate tensile strength of the aluminum wire is usually detected, the tensile test has certain singleness, and a control group is absent when the aluminum wire is subjected to the tensile test, so that the detection result is easy to have certain contingency.
Therefore, under the above stated viewpoints, the existing tensile test apparatus has room for improvement.
Disclosure of Invention
In order to solve the problems, the invention provides an aluminum wire tensile test device for an anti-corrosion IGBT, which adopts the following technical scheme:
The utility model provides an anticorrosive aluminum wire tensile test device for IGBT, includes the aluminum wire, the aluminum wire has set gradually substrate layer and inoxidizing coating from inside to outside, anticorrosive aluminum wire tensile test device for IGBT is including the tensile platform of standing, tensile platform's surface is equipped with carries out the spacing locating part of centre gripping to the aluminum wire inoxidizing coating, tensile platform is inside to be equipped with the tensile detector of aluminium wire substrate layer on the control locating part.
Preferably, the locating part includes that tensile platform sets up a grip block and three movable plate along length direction, and is three the equidistant distribution of movable plate along tensile platform length direction, equidistant installation carries out winding roller to the aluminium silk on the grip block, and is three also be equipped with respectively on the movable plate carries out winding roller to the aluminium silk, and the winding roller on the grip block respectively with three group winding roller one-to-one on the movable plate.
The utility model discloses a wire winding roller, including the winding roller, the limiting clamp that the winding roller was equipped with the aluminum wire inoxidizing coating, the both sides of winding roller still symmetry are equipped with the limiting clamp that carries out the centre gripping to the aluminum wire inoxidizing coating, two the bottom of limiting clamp articulates there is the connecting rod, the connecting rod is kept away from on the connecting block was located to the one end of limiting clamp, the connecting block slides and locates grip block and movable plate in, grip block and movable plate correspond the position rotation of connecting block and are equipped with locking screw, connecting block and locking screw spiro union set up.
Preferably, the stretching detector comprises three groups of rotating parts which are arranged at the bottom of the stretching platform and correspond to the winding rollers, each group of rotating parts comprises two stretching shafts which are symmetrically distributed, two stretching shafts are sleeved with stretching belts, three stretching belts on the stretching platform are connected with three moving plates in one-to-one correspondence through synchronizing blocks, and strip-shaped stretching grooves for the synchronizing blocks to move are formed in the stretching platform.
One side of tensile platform rotates and is equipped with the actuating post, one side of actuating post is connected with driving motor, driving motor locates one side of tensile platform through the motor cabinet, and the actuating post rotates and wears to establish two tensile axles of homonymy and link to each other with the actuating post at tensile platform middle part.
Preferably, the speed control mechanism is further arranged on the driving column, the speed control mechanism comprises a first main gear symmetrically distributed along the length direction of the driving column, the first main gear is connected with the driving column, a second main gear identical to the first main gear is symmetrically arranged on the stretching platform in a sliding mode in the width direction, a buffer spring is connected between the second main gear and the side wall of the stretching platform, and a linkage belt is sleeved between the first main gear and the second main gear on the same side of the stretching platform.
The one end symmetry that stretching platform lateral wall kept away from the primary gear is provided with the gear train, one side that the gear train is close to each other all is connected with the cross pivot, the one end slidable mounting that the gear train was kept away from to the cross pivot has the linkage post, the linkage post links to each other with the stretching shaft of stretching platform upper both sides respectively.
Preferably, the gear set comprises a plurality of speed control gears with gradually increased diameters extending outwards along the length direction of the cross rotating shaft, and execution circular plates which are alternately distributed with the speed control gears are arranged among the plurality of speed control gears.
Preferably, the linkage belt is provided with a tensioning wheel, the tensioning wheel is provided with a tensioning spring, and the tensioning spring is arranged on the side wall of the stretching platform.
Preferably, the stretching platform is further provided with an adjusting mechanism for adjusting the gear set to translate, the adjusting mechanism comprises an L-shaped adjusting rod, one side of the L-shaped adjusting rod is slidably arranged on the stretching platform, the stretching platform is provided with an adjusting groove for the L-shaped adjusting rod to slide, the other side of the L-shaped adjusting rod is connected with the gear set, and the stretching platform is further provided with scale marks.
Preferably, the driving column of the stretching platform is provided with a linkage gear sleeve in a sliding manner, the driving column is provided with a limiting chute for sliding of the linkage gear sleeve, and the stretching shaft is provided with a splicing chute for splicing of the linkage gear sleeve.
Preferably, an annular groove is formed in one side of the linkage gear sleeve, a square block is slidably arranged in the annular groove, a linkage rod is mounted on the square block, one end, far away from the square block, of the linkage rod is of an inclined surface structure, and a reset tension spring is connected between the linkage rod and the stretching platform.
T-shaped rods are arranged on one side of the stretching platform in a penetrating mode along the height direction, and the T-shaped rods are mutually abutted to inclined surfaces of the linkage rods.
In summary, the present application includes at least one of the following beneficial technical effects:
1. According to the invention, the stability of clamping the aluminum wire can be effectively improved through the limiting piece, so that the damage rate of the aluminum wire in deformation can be effectively reduced in the process of clamping and fixing the aluminum wire, the performance of the aluminum wire in the tensile test process can be effectively ensured, and the situation that the aluminum wire is always broken in a clamping area in the tensile test process is avoided, thereby affecting the accuracy of the tensile test of the aluminum wire.
2. The tensile detector can effectively ensure the diversity of the tensile test of the aluminum wire when the tensile test is carried out on the aluminum wire, can realize the ultimate tensile detection of the tensile test of the aluminum wire, and can also carry out the tensile test of different speeds on the aluminum wire.
3. The invention is provided with three groups of stretching detectors, can carry out a control group test on the stretching of the aluminum wire, can effectively reduce the accuracy of the test result of the aluminum wire through the control group, and avoids the accidental occurrence of the stretching test result of the aluminum wire.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the main structure of the present invention.
FIG. 2 is a schematic diagram of the structure of the aluminum wire substrate layer and the protective layer according to the present invention.
Fig. 3 is a schematic view of a first view structure of the stopper of the present invention.
Fig. 4 is a schematic view of a second view structure of the stopper of the present invention.
Fig. 5 is a schematic view of a first view angle structure of the tensile detector of the present invention.
Fig. 6 is a schematic view of a second view angle structure of the tensile detector of the present invention.
Fig. 7 is a schematic view of a third view angle structure of the tensile detector of the present invention.
Fig. 8 is a schematic view of a first view angle structure of the speed control mechanism of the present invention.
FIG. 9 is a schematic view of a second view angle structure of the speed control mechanism of the present invention.
FIG. 10 is a schematic view of a third view angle structure of the speed control mechanism of the present invention.
FIG. 11 is a schematic representation of the structure of the gear set of the present invention.
Fig. 12 is a schematic structural view of the adjusting mechanism of the present invention.
Fig. 13 is a schematic view of the structure of the present invention among the linkage gear sleeve, the limit chute, the linkage rod, the return tension spring and the T-shaped rod.
Fig. 14 is a schematic view of the structure of the linkage gear sleeve, the limit chute, the annular groove, the square block and the linkage rod.
The reference numerals are 1, aluminum wire, 10, substrate layer, 11, protective layer, 2, stretching platform, 3, limiting piece, 4, stretching detector, 30, clamping plate, 31, moving plate, 32, winding roller, 33, limiting clamp, 34, connecting rod, 35, connecting block, 36, locking screw, 40, rotating piece, 400, stretching shaft, 41, stretching belt, 42, synchronous block, 43, strip stretching groove, 44, driving column, 45, driving motor, 5, speed control mechanism, 50, primary gear, 51, secondary gear, 52, buffer spring, 53, linkage belt, 54, gear set, 55, cross rotating shaft, 56, linkage column, 540, speed control gear, 541, executing circular plate, 530, tensioning wheel, 531, tensioning spring, 6, adjusting mechanism, 60, L-shaped adjusting rod, 61, scale mark, 70, gear sleeve, 71, limiting chute, 72, inserting chute, 73, annular groove, 74, square block, 75, linkage rod, 76, reset spring, 77 and T-shaped rod.
Detailed Description
The present application is described in further detail below with reference to fig. 1-14.
The embodiment of the application discloses an aluminum wire tensile test device for an anti-corrosion IGBT, which is to be noted that the aluminum wire 1 for the anti-corrosion IGBT is mainly applied to the process of stretching the aluminum wire 1.
When the aluminum wire 1 is stretched, the clamping stability of the existing stretching tool is poor, the aluminum wire 1 is easy to deform in the clamped process, the stretching performance of the clamped area of the aluminum wire 1 is obviously weaker than that of other areas of the aluminum wire 1, and further, the accuracy of the test result is influenced in the process of stretching test of the aluminum wire 1.
Secondly, in the prior art, when the aluminum wire 1 is subjected to a tensile test, the ultimate tensile strength of the aluminum wire 1 is usually detected, the tensile test has a certain singleness, and a control group is absent when the aluminum wire 1 is subjected to the tensile test, so that the detection result is liable to have a certain contingency.
Embodiment one:
Referring to FIG. 2, the application relates to an aluminum wire for an anti-corrosion IGBT, wherein the chemical composition of the aluminum wire 1 comprises, by weight, 91.669% of aluminum, 0.1% of silicon, 0.211% of iron, 2.46% of manganese, 5.1% of magnesium and 0.46% of cobalt;
The aluminum wire 1 is provided with a base material layer 10 and a protective layer 11 from inside to outside.
The aluminum wire 1 mainly comprises aluminum, silicon, iron, manganese, magnesium and cobalt, wherein the magnesium element can obviously improve the strength of the aluminum wire 1, particularly under the high-temperature condition, the strength of the aluminum wire 1 can be improved due to the increase of the magnesium content, and the magnesium element can promote the grain refinement of aluminum alloy in the aluminum wire 1, so that the strength and the hardness of a material are improved, and the corrosion resistance and the welding performance of the aluminum alloy can be improved.
The manganese has the functions of supplementing and strengthening, supplementing magnesium and reducing the heat cracking tendency while reducing the magnesium content, and can uniformly precipitate Mg5Al8 compounds and further improve the corrosion resistance and welding performance of the aluminum alloy, and the addition of the manganese can obviously increase the yield strength and ultimate tensile strength of the aluminum alloy without reducing the ductility.
Thereby greatly improving the corrosion resistance.
Embodiment two:
On the basis of the first embodiment, the application also provides an aluminum wire tensile test device for the corrosion-resistant IGBT, which is used for carrying out tensile test on the aluminum wire 1 in the first embodiment, and specifically comprises the following steps:
Referring to fig. 1, the tensile test device for the aluminum wire 1 for the corrosion-resistant IGBT comprises a stationary tensile platform 2, a limiting member 3 for clamping and limiting a protective layer 11 of the aluminum wire 1 is arranged on the surface of the tensile platform 2, and a tensile detector 4 for controlling the aluminum wire 1 on the limiting member 3 to perform tensile test is arranged in the tensile platform 2.
It should be noted that the limiting piece 3 is mainly aimed at clamping the aluminum wire 1, so that the aluminum wire 1 can be stably and rapidly clamped on the stretching platform 2 through the limiting piece 3, and the stretching detector 4 performs a stretching test on the aluminum wire 1 clamped by the limiting piece 3, so that two different stretching modes can be performed. First, the ultimate tensile strength of the aluminum wire 1 was measured at the same speed. Secondly, the degree of elongation of the aluminum wire 1 was tested at different speeds.
According to the invention, the stability of clamping the aluminum wire 1 can be effectively improved through the limiting piece 3, so that the damage rate of the aluminum wire 1 in the process of clamping and fixing can be effectively reduced, the performance of the aluminum wire 1 in the tensile test process can be effectively ensured, and the situation that the aluminum wire 1 is always broken in the clamping area in the tensile test process is avoided, thereby affecting the accuracy of the tensile test of the aluminum wire 1.
In the tensile test of the aluminum wire 1, the aluminum wire 1 at different positions is cut out of the aluminum wires 1 in the same batch produced in advance, and then the tensile test is required, as described below.
Referring to fig. 3 and 4, which are schematic structural views of a limiting member 3 for clamping and limiting an aluminum wire 1 in the present application, specifically, the limiting member 3 includes a clamping plate 30 and three moving plates 31 disposed along a length direction of a stretching platform 2, the three moving plates 31 are distributed at equal intervals along the length direction of the stretching platform 2, winding rollers 32 are mounted on the clamping plate 30 at equal intervals, winding rollers 32 are also respectively disposed on the three moving plates 31, and the winding rollers 32 on the clamping plate 30 are respectively in one-to-one correspondence with the winding rollers 32 on the three groups of moving plates 31.
The two sides of the winding roller 32 are symmetrically provided with limiting clamps 33, the bottoms of the two limiting clamps 33 are hinged with connecting rods 34, one ends of the connecting rods 34, which are far away from the limiting clamps 33, are arranged on connecting blocks 35, the connecting blocks 35 are slidably arranged on the clamping plates 30 and the moving plates 31, locking screws 36 are rotatably arranged at positions of the clamping plates 30 and the moving plates 31, which correspond to the connecting blocks 35, and the connecting blocks 35 are in threaded connection with the locking screws 36.
It should be noted that, the clamping plate 30 is clamped at one side of the stretching platform 2, the three moving plates 31 are slidably disposed on the stretching platform 2, the three moving plates 31 are horizontally distributed, and the position where the limiting clamp 33 contacts with the aluminum wire 1 is provided with a rubber block with uneven surface.
In the specific implementation process, firstly, one end of the cut aluminum wire 1 is wound on a winding roller 32 positioned in the middle of a clamping plate 30 by a winding method, then a locking screw 36 is rotated, at the moment, the locking screw 36 drives a moving plate 31 to move away from the winding roller 32, then a connecting rod 34 on the moving plate 31 controls two limiting clamps 33 to move towards the winding roller 32 until rubber blocks on the limiting clamps 33 contact the winding roller 32 and the aluminum wire 1 wound on the winding roller 32, at the moment, the clamping of one end of the aluminum wire 1 is completed, and the other end of the aluminum wire 1 is clamped on the winding roller 32 of the moving plate 31 which is on the same horizontal line with the clamping plate 30 by adopting the same steps, so that the clamping of the aluminum wire 1 is completed.
The aluminum wire 1 is clamped in a winding mode, so that the aluminum wire 1 can be prevented from being deformed, the force of pulling the aluminum wire 1 through friction force is larger along with more winding turns, the aluminum wire 1 is prevented from slipping in the stretching process, the aluminum wire 1 is extruded through a rubber block under the clamping of the limiting clamp 33, and the stability of the aluminum wire 1 can be guaranteed to the greatest extent.
After the aluminum wire 1 is clamped and after the entire device is inspected to ensure that it is fully operational, a tensile test can be performed on the fixed aluminum wire 1.
Referring to fig. 5, 6 and 7, the stretching detector 4 includes three sets of rotating members 40 corresponding to the winding rollers 32 and arranged at the bottom of the stretching platform 2, each set of rotating members 40 includes two stretching shafts 400 symmetrically distributed, stretching belts 41 are sleeved on the two stretching shafts 400, the stretching belts 41 are connected with the moving plate 31 in a one-to-one correspondence manner through synchronizing blocks 42, and strip-shaped stretching grooves 43 for the synchronizing blocks 42 to move are formed in the stretching platform 2.
One side of the stretching platform 2 is rotatably provided with a driving column 44, one side of the driving column 44 is connected with a driving motor 45, the driving motor 45 is arranged on one side of the stretching platform 2 through a motor seat, and the driving column 44 rotates to penetrate through two stretching shafts 400 on the same side and is connected with the driving column 44 in the middle of the stretching platform 2.
It should be noted that, the stretching platform 2 in the application is provided with three sets of rotating members 40 and stretching belts 41 corresponding to the rotating members 40, and the three sets of rotating members 40 correspond to the winding rollers 32 on the stretching platform 2, so that the application can simultaneously perform a stretching test on three sets of aluminum wires 1, which can play a role in comparison, ensure the accuracy of the stretching test of the aluminum wires 1, and avoid accidents.
It should be noted, however, that the present application is not limited to the tensile test for three sets of aluminum filaments 1, and that the tensile test may be performed for a plurality of sets of different aluminum filaments 1, and that the tensile conditions of the aluminum filaments 1 may also be monitored under different speeds while the aluminum filaments 1 are being drawn.
In the specific implementation process, the driving motor 45 is started, the driving motor 45 drives the stretching shaft 400 to rotate through the driving post 44, then the stretching belt 41 starts to rotate clockwise, the synchronous block 42 on the stretching belt 41 drives the moving plate 31 wound with the aluminum wire 1 on the stretching platform 2 to move along the strip-shaped stretching groove 43 of the stretching platform 2 in a direction away from the clamping plate 30 until the aluminum wire 1 becomes straight gradually after being loosened, the straightened aluminum wire is stretched gradually, the aluminum wire breaks under the limit state, and the stretching state of the aluminum wire in the whole process is recorded.
Referring to fig. 8, 9 and 10, a schematic structural diagram of a speed control mechanism 5 in the present application is shown, so as to realize performance detection of the aluminum wire 1 at different stretching speeds.
The driving column 44 is further provided with a speed control mechanism 5, the speed control mechanism 5 comprises first main gears 50 symmetrically distributed along the length direction of the driving column 44, the first main gears 50 are connected with the driving column 44, second main gears 51 identical to the first main gears 50 are symmetrically arranged in a sliding mode in the width direction of the stretching platform 2, buffer springs 52 are connected between the second main gears 51 and the side walls of the stretching platform 2, and a linkage belt 53 is sleeved between the first main gears 50 and the second main gears 51 on the same side of the stretching platform 2.
The side wall of the stretching platform 2 is symmetrically provided with a gear set 54 at one end far away from the primary gear 50, one sides of the gear sets 54 close to each other are connected with a cross rotating shaft 55, one end of the cross rotating shaft 55 far away from the gear set 54 is slidably provided with a linkage column 56, and the linkage columns 56 are respectively connected with a stretching shaft 400 on the stretching platform 2.
It should be noted that, the driving motor 45 mainly drives the first main gear 50 to rotate, and the first main gear 50 controls the second main gear 51 to synchronously rotate through the linkage belt 53, so that the rotation speeds of the first main gear and the second main gear are always the same.
The linkage post 56 and the cross shaft 55 are used to ensure that the gear set 54 can still control the rotation of the corresponding stretching shaft 400 after the position adjustment.
Referring to fig. 12, the stretching platform 2 is further provided with an adjusting mechanism 6 for adjusting the gear set 54 to move to achieve speed regulation, the adjusting mechanism 6 comprises an L-shaped adjusting rod 60, one side of the L-shaped adjusting rod 60 is slidably arranged on the stretching platform 2, the stretching platform 2 is provided with an adjusting groove for sliding the L-shaped adjusting rod 60, and the other side of the L-shaped adjusting rod 60 is connected with the gear set 54.
The stretching platform 2 is also provided with a scale mark 61.
The scale mark 61 corresponds to each speed control gear 540 on the gear set 54, when the movable plate 31 is required to move at a specified speed, the movement distance of the L-shaped adjusting rod 60 can be controlled through the scale mark 61, and after the L-shaped adjusting rod 60 moves to the specified position of the scale mark 61, the specified speed control gears 540 are meshed with the second main gear 51.
The L-shaped adjusting rod 60 can control the speed control gears 540 with different diameters on the gear set 54 to be meshed with the second main gear 51, and meanwhile, the L-shaped adjusting rod 60 does not influence the rotation of the gear set 54.
When three sets of aluminum wires 1 are mounted on the winding roller 32 and it is required that the three sets of aluminum wires 1 are subjected to tensile test at three different speeds, the L-shaped adjusting rod 60 on one side is moved, and the corresponding gear set 54 is controlled to move by the L-shaped adjusting rod 60, so that the speed control gear 540 in the corresponding gear set 54 is meshed with the second main gear 51.
It should be noted that the speed of rotation of the stretching belt 41 in the middle of the stretching platform 2 is constant, and the speed of rotation is the reference speed, while the stretching belt 41 on one side of the stretching platform 2 rotates at a constant speed under the adjustment of the speed control mechanism 5, then the driving motor 45 is started, the three groups of moving plates 31 on the stretching platform 2 move outwards at a constant speed until the aluminum wire 1 is stretched to a broken state, and at this time, the states of the aluminum wire 1 of the three groups of moving plates 31 in the whole stretching process are recorded, so that the stretching performance of the aluminum wire 1 at different speeds is recorded.
The tensile detector 4 can effectively ensure the diversity of the tensile test of the aluminum wire 1 when the tensile test is carried out on the aluminum wire 1, can realize the ultimate tensile detection of the tensile test of the aluminum wire 1, and can also carry out the tensile test of different speeds on the aluminum wire 1.
The invention is provided with three groups of stretching detectors 4, can carry out a comparison group test of stretching the aluminum wire 1, can effectively reduce the accuracy of the test result of the aluminum wire 1 through the comparison group, and avoids the accidental occurrence of the stretching test result of the aluminum wire 1.
Referring to fig. 11, the gear set 54 includes a plurality of speed control gears 540 having diameters gradually increasing, which extend outwardly along the length of the cross shaft 55, and an execution disk 541 alternately arranged with the speed control gears 540 is disposed between the plurality of speed control gears 540.
The gear set 54 is mainly composed of several sets of speed control gears 540, the diameters of the speed control gears 540 gradually decrease from inside to outside, and when the stretching speed of the moving plate 31 on one side of the stretching platform 2 needs to be adjusted, the L-shaped adjusting rod 60 is pushed and pulled to control the sets of speed control gears 540 to mesh with the second main gear 51.
When the speed control gear 540 having a smaller diameter than the second main gear 51 is engaged with the second main gear 51, the moving plate 31 corresponding to the speed control gear 540 moves faster, and when the speed control gear 540 having a larger diameter than the second main gear 51 is engaged with the second main gear 51, the moving plate 31 corresponding to the speed control gear 540 moves slower.
Referring back to fig. 9 and 10, the tension pulley 530 is provided on the link belt 53, the tension spring 531 is provided on the tension pulley 530, and the tension spring 531 is mounted on the side wall of the stretching platform 2.
When the gear set 54 adjusts the position of the speed control gear 540, the position of the second main gear 51 needs to be finely adjusted, so that the second main gear 51 can be meshed with the speed control gears 540 with different diameters, and therefore, the tensioning wheel 530 and the tensioning spring 531 are arranged on the linkage belt 53 between the second main gear 51 and the first main gear 50, so that the linkage belt 53 is ensured to always control the second main gear 51 to be meshed with the first main gear 50, and the two always keep synchronous rotation speeds.
Embodiment III:
Referring to fig. 13 and 14, in order to further ensure the diversity of the tensile test of the aluminum wire 1, the application also provides a linkage gear sleeve 70 for controlling the three groups of moving plates 31 to move at the same speed, wherein the speed control gears 540 with different diameters on the gear set 54 can be meshed with the second main gear 51 to control the moving speed of the moving plates 31, but when the three moving plates 31 move synchronously, the speed control gears 540 with the same diameter as the second main gear 51 in the gear set 54 are required to be meshed with the second main gear 51, and the application designs a portable operation step, which can enable the three groups of moving plates 31 to move synchronously without adjusting the gear set 54, thus controlling the three moving plates 31 to move synchronously to form a comparison group, thus providing the linkage gear sleeve 70 to realize the above-mentioned problems, as follows.
Specifically, the driving post 44 of the stretching platform 2 is slidably provided with a linkage gear sleeve 70, the driving post 44 is provided with a limiting chute 71 for sliding the linkage gear sleeve 70, and the stretching shaft 400 is provided with a plug chute 72 for plugging the linkage gear sleeve 70.
An annular groove 73 is formed in one side of the linkage gear sleeve 70, a square block 74 is arranged in the annular groove 73 in a sliding mode, a linkage rod 75 is installed on the square block 74, one end, away from the square block 74, of the linkage rod 75 is of an inclined surface structure, and a reset tension spring 76 is connected between the linkage rod 75 and the stretching platform 2.
One side of the stretching platform 2 is provided with a T-shaped rod 77 in a penetrating manner along the height direction, and the T-shaped rod 77 is mutually abutted with the inclined surface of the linkage rod 75.
In the specific implementation process, when three groups of moving plates 31 are required to keep synchronous moving speed, the T-shaped rods 77 are pressed downwards, at this time, the T-shaped rods 77 press down the linkage rods 75, the inclined surfaces of the linkage rods 75 are controlled to move towards the inserting sliding grooves 72 of the stretching shafts 400 after being extruded by external force, at this time, the inserting sliding grooves 72 connect the stretching shafts 400 with the driving columns 44, when the driving columns 44 rotate, the three stretching shafts 400 at the upper ends of the stretching shafts can be controlled to synchronously rotate, then the stretching belts 41 corresponding to the stretching shafts can be controlled to synchronously move through the synchronous blocks 42, and along with the movement of the moving plates 31, the aluminum wires 1 wound at the upper ends of the stretching shafts are controlled to carry out stretching tests.
When the method is used, firstly, when the tensile test is carried out on the aluminum wires 1, firstly, the aluminum wires 1 at different positions are cut out from the aluminum wires 1 in the same batch which are produced in advance.
And secondly, winding one end of the intercepted aluminum wire 1 on a winding roller 32 on a clamping plate 30 by a winding method, and then rotating a locking screw 36 to control two limiting clamps 33 to move towards the winding roller 32 until rubber blocks on the limiting clamps 33 contact the winding roller 32 and the aluminum wire 1 wound on the winding roller 32, so that the clamping of one end of the aluminum wire 1 is finished, and the other end of the aluminum wire 1 is clamped on the winding roller 32 of the movable plate 31 on the same horizontal line with the clamping plate 30 by adopting the same steps.
And thirdly, when the aluminum wire 1 is clamped, starting a driving motor 45, driving the stretching shaft 400 to rotate by the driving motor 45 through a driving column 44, then starting clockwise rotation of the stretching belt 41, driving the movable plate 31 on the stretching platform 2 by the synchronous block 42 on the stretching belt 41 to move along the strip-shaped stretching groove 43 of the stretching platform 2 in a direction away from the clamping plate 30 until the aluminum wire 1 wound on the movable plate 31 becomes straight gradually after being loosened, gradually stretching the straightened aluminum wire, and recording the whole state of the aluminum wire in the whole process after the aluminum wire is stretched to a limit state.
And fourthly, the aluminum wire 1 can be subjected to a tensile test at different speeds, when the tensile speed of the movable plate 31 on one side of the tensile platform 2 needs to be regulated, the L-shaped regulating rod 60 is pushed and pulled, a plurality of groups of speed control gears 540 can be controlled to be meshed with the second main gear 51 according to the scale mark 61 on the tensile platform 2, when the speed control gear 540 with the smaller diameter than the second main gear 51 is meshed with the second main gear 51, the movable plate 31 corresponding to the speed control gear 540 moves faster, and when the speed control gear 540 with the larger diameter than the second main gear 51 is meshed with the second main gear 51, the movable plate 31 corresponding to the speed control gear 540 moves slower.
And fifthly, when the three groups of moving plates 31 are required to keep synchronous moving speed, pressing down the T-shaped rod 77, controlling the linkage gear sleeve 70 to move into the inserting sliding grooves 72 of the stretching shafts 400 at the bottom of the stretching platform 2 until the two inserting sliding grooves 72 are inserted into the stretching shafts 400, at the moment, when the driving column 44 rotates, controlling the three stretching shafts 400 at the upper ends to synchronously rotate, and then controlling the aluminum wires 1 wound at the upper ends of the moving plates 31 by the stretching shafts 400 to carry out stretching test.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered by the scope of the present invention.
Claims (9)
1. The aluminum wire tensile test device for the corrosion-resistant IGBT comprises an aluminum wire (1), wherein a base material layer (10) and a protective layer (11) are sequentially arranged on the aluminum wire (1) from inside to outside, and the aluminum wire tensile test device for the corrosion-resistant IGBT is characterized by comprising a tensile platform (2) which stands, a limiting part (3) for clamping and limiting the protective layer (11) of the aluminum wire (1) is arranged on the surface of the tensile platform (2), and a tensile detector (4) for controlling the base material layer (10) of the aluminum wire (1) on the limiting part (3) to stretch is arranged inside the tensile platform (2).
2. The corrosion-resistant aluminum wire tensile test device for the IGBT is characterized in that the limiting piece (3) comprises a clamping plate (30) and three moving plates (31) which are arranged on the stretching platform (2) along the length direction, the three moving plates (31) are distributed at equal intervals along the length direction of the stretching platform (2), winding rollers (32) for winding the aluminum wire (1) are arranged on the clamping plate (30) at equal intervals, winding rollers (32) for winding the aluminum wire (1) are respectively arranged on the three moving plates (31), and the winding rollers (32) on the clamping plate (30) are respectively in one-to-one correspondence with the winding rollers (32) on the three groups of moving plates (31);
The utility model discloses a winding roller, including winding roller (32), connecting rod (35), locating plate (30) and movable plate (31) are located in the position rotation of connecting block (35), and connecting block (35) and locking screw (36) spiro union setting are located in locating plate (30) and movable plate (31), locating plate (30) and movable plate (31) are equipped with locking screw (36) corresponding to the position rotation of connecting block (35), the bottom of limiting clamp (33) articulates there is connecting rod (34), connecting rod (34) are kept away from on connecting block (35).
3. The corrosion-resistant aluminum wire tensile test device for the IGBT is characterized in that the tensile detector (4) comprises three groups of rotating pieces (40) which are arranged at the bottom of the tensile platform (2) and correspond to the winding rollers (32), each group of rotating pieces (40) comprises two symmetrically distributed tensile shafts (400), two tensile shafts (400) are sleeved with tensile belts (41), the three tensile belts (41) on the tensile platform (2) are connected with the three movable plates (31) in a one-to-one correspondence manner through synchronous blocks (42), and the tensile platform (2) is provided with strip-shaped tensile grooves (43) for the synchronous blocks (42) to move;
One side of tensile platform (2) rotates and is equipped with actuating post (44), one side of actuating post (44) is connected with driving motor (45), one side of tensile platform (2) is located through the motor cabinet to driving motor (45), and actuating post (44) rotate and wear to establish two tensile axles (400) of homonymy and link to each other with actuating post (44) at tensile platform (2) middle part.
4. The aluminum wire tensile test device for the corrosion-resistant IGBT of claim 3, wherein the driving column (44) is further provided with a speed control mechanism (5), the speed control mechanism (5) comprises a first main gear (50) symmetrically distributed along the length direction of the driving column (44), the first main gear (50) is connected with the driving column (44), a second main gear (51) with the same width direction of the first main gear (50) is symmetrically and slidingly arranged on the stretching platform (2), a buffer spring (52) is connected between the second main gear (51) and the side wall of the stretching platform (2), and a linkage belt (53) is sleeved between the first main gear (50) and the second main gear (51) on the same side of the stretching platform (2);
One end that drawing platform (2) lateral wall kept away from primary gear (50) symmetry is provided with gear train (54), one side that gear train (54) are close to each other all is connected with cross pivot (55), one end slidable mounting that gear train (54) were kept away from to cross pivot (55) has linkage post (56), linkage post (56) link to each other with drawing axle (400) of drawing platform (2) upper both sides respectively.
5. The aluminum wire tensile test device for the corrosion-resistant IGBT of claim 4, wherein the gear set (54) comprises a plurality of speed control gears (540) with gradually increased diameters, which extend outwards along the length direction of the cross rotating shaft (55), and execution circular plates (541) which are alternately distributed with the speed control gears (540) are arranged among the plurality of speed control gears (540).
6. The corrosion-resistant aluminum wire tensile test device for the IGBT, as set forth in claim 4, wherein a tensioning wheel (530) is arranged on the linkage belt (53), a tensioning spring (531) is arranged on the tensioning wheel (530), and the tensioning spring (531) is mounted on the side wall of the tensile platform (2).
7. The corrosion-resistant aluminum wire tensile test device for the IGBT is characterized in that an adjusting mechanism (6) for adjusting a gear set (54) to translate is further arranged on a tensile platform (2), the adjusting mechanism (6) comprises an L-shaped adjusting rod (60), one side of the L-shaped adjusting rod (60) is slidably arranged on the tensile platform (2), an adjusting groove for sliding the L-shaped adjusting rod (60) is formed in the tensile platform (2), and the other side of the L-shaped adjusting rod (60) is connected with the gear set (54);
the stretching platform (2) is also provided with scale marks (61).
8. The aluminum wire tensile test device for the corrosion-resistant IGBT of claim 3, wherein a linkage gear sleeve (70) is arranged on a driving column (44) of the tensile platform (2) in a sliding mode, a limiting chute (71) for sliding the linkage gear sleeve (70) is formed in the driving column (44), and a splicing chute (72) for splicing the linkage gear sleeve (70) is formed in the tensile shaft (400).
9. The corrosion-resistant aluminum wire tensile test device for the IGBT is characterized in that an annular groove (73) is formed in one side of the linkage gear sleeve (70), a square block (74) is arranged in the annular groove (73) in a sliding mode, a linkage rod (75) is arranged on the square block (74), one end, far away from the square block (74), of the linkage rod (75) is of an inclined surface structure, and a reset tension spring (76) is connected between the linkage rod (75) and the stretching platform (2);
One side of the stretching platform (2) is provided with a T-shaped rod (77) in a penetrating mode along the height direction, and the T-shaped rod (77) is mutually abutted to the inclined surface of the linkage rod (75).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411871450.8A CN119309926B (en) | 2024-12-18 | 2024-12-18 | Corrosion-resistant aluminum wire tensile test device for IGBT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411871450.8A CN119309926B (en) | 2024-12-18 | 2024-12-18 | Corrosion-resistant aluminum wire tensile test device for IGBT |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119309926A true CN119309926A (en) | 2025-01-14 |
| CN119309926B CN119309926B (en) | 2025-05-13 |
Family
ID=94189791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411871450.8A Active CN119309926B (en) | 2024-12-18 | 2024-12-18 | Corrosion-resistant aluminum wire tensile test device for IGBT |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119309926B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121026790A (en) * | 2025-10-31 | 2025-11-28 | 南通九久包装材料有限公司 | A device for testing the firmness of plastic-steel strip joints |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006744A (en) * | 2019-04-25 | 2019-07-12 | 鲁伟东 | A kind of cotton fiber strength detection device |
| CN214668224U (en) * | 2021-05-14 | 2021-11-09 | 浙江华电器材检测研究院有限公司 | A multi-station linkage cable mechanical performance testing machine |
| CN115420618A (en) * | 2022-08-19 | 2022-12-02 | 北京建筑材料检验研究院股份有限公司 | Aging test box with fixed stretching time |
| CN220104688U (en) * | 2023-05-25 | 2023-11-28 | 枣阳丝源纺纱有限公司 | Full-automatic single yarn powerful machine |
| CN222144714U (en) * | 2024-01-30 | 2024-12-10 | 福州福启橡塑有限公司 | Automobile rubber piece tensile testing machine |
-
2024
- 2024-12-18 CN CN202411871450.8A patent/CN119309926B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006744A (en) * | 2019-04-25 | 2019-07-12 | 鲁伟东 | A kind of cotton fiber strength detection device |
| CN214668224U (en) * | 2021-05-14 | 2021-11-09 | 浙江华电器材检测研究院有限公司 | A multi-station linkage cable mechanical performance testing machine |
| CN115420618A (en) * | 2022-08-19 | 2022-12-02 | 北京建筑材料检验研究院股份有限公司 | Aging test box with fixed stretching time |
| CN220104688U (en) * | 2023-05-25 | 2023-11-28 | 枣阳丝源纺纱有限公司 | Full-automatic single yarn powerful machine |
| CN222144714U (en) * | 2024-01-30 | 2024-12-10 | 福州福启橡塑有限公司 | Automobile rubber piece tensile testing machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121026790A (en) * | 2025-10-31 | 2025-11-28 | 南通九久包装材料有限公司 | A device for testing the firmness of plastic-steel strip joints |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119309926B (en) | 2025-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN119309926B (en) | Corrosion-resistant aluminum wire tensile test device for IGBT | |
| CN113376006A (en) | Performance test system and test method for copper-core low-voltage cable after manufacturing and processing | |
| CN104380081B (en) | Method and device for measuring passing resistance of supporting rollers of conveyor belt | |
| CN105092388A (en) | Winding torsion testing machine of cable monofilament at low temperature | |
| KR101017642B1 (en) | Line Metal Forming Equipment | |
| CN110702296B (en) | A bolt detection device | |
| CN116125140B (en) | Resistance value test equipment for cable on-line production | |
| CN109087755A (en) | A kind of cable-former that takeup tension is controllable | |
| CN103913383B (en) | Bending performance detection method in electromagnetic wire stretching state | |
| CN114425750B (en) | A fastening fixture for testing the mechanical properties of steel bars | |
| CN210014997U (en) | A horizontally stretched molybdenum wire strength testing equipment | |
| CN111755989B (en) | Combined conveyor frame for real-time monitoring of cable forces | |
| CN107505493B (en) | A tension-controllable critical current measuring device for superconducting strips | |
| CN115824809A (en) | Enameled wire mechanical performance detection device and method | |
| CN217650615U (en) | Tension bracket of wire drawing machine | |
| CN218646778U (en) | Elevator flat cable bending fatigue testing device | |
| CN115555500B (en) | Cable straightening mechanism with pressure adjusting structure | |
| CN109449714B (en) | Quick connector for wire wiring process | |
| CN117929175A (en) | Auxiliary device for pipe hardness detection and application method thereof | |
| CN209922567U (en) | Winding tension detection device and winding machine | |
| CN219495958U (en) | Tensile property test equipment of enamelled round copper wire | |
| CN223756492U (en) | Metal welding wire tensile strength detection device | |
| CN115235852B (en) | Equipment for detecting dotting precision of steel rail dotting machine | |
| CN218560585U (en) | Automatic tension balancing device | |
| CN216899933U (en) | A kind of packaging material tensile force detection jig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |