Servo type material testing machine

Abstract

The utility model relates to the technical field of detection equipment, in particular to a servo type material testing machine which comprises a base, a supporting column is arranged on the base, a lifting platform is arranged on the supporting column in a sliding mode, a first connecting column is fixedly arranged on one side of the lower portion of the lifting platform, and a second connecting column is fixedly arranged on the other side of the lower portion of the lifting platform. A second connecting column is arranged on one side under the first connecting column, a fixing block is fixedly arranged on the sides, close to each other, of the first connecting column and the second connecting column, a containing groove is formed in the fixing block, a positioning block is arranged in the containing groove, and a nut stud is riveted to the positioning block. And first through grooves are formed in the sides, close to each other, of the two placement grooves, so that a normal tension test and an inclined tension test can be flexibly replaced according to the use requirements of riveting nuts and studs, and the application range is expanded.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field, specifically, relate to a kind of servo material testing machine. BACKGROUND

[0002] Universal material testing machine, also known as universal tensile testing machine or electronic tensile testing machine, is a multifunctional material testing instrument. It is mainly used for testing the physical properties of various materials, such as strength, elasticity, hardness, tensile strength, compressive strength, bending strength, impact strength, etc. It is a comprehensive and superior material testing equipment, widely used in quality supervision, teaching and scientific research, aerospace, steel metallurgy, automobile, construction and building materials fields.

[0003] For example, Chinese patent CN201721766047.4 discloses a universal material testing machine, which includes a frame, a sample stage, and a compression block. The sample stage is provided with a clamping assembly near the compression block. The sample stage is provided with a first sliding groove and a second sliding groove. The clamping assembly includes a first clamping plate installed in the first sliding groove, a first elastic member installed in the first sliding groove, a second clamping plate installed in the second sliding groove, and a second elastic member installed in the second sliding groove. During the material compression experiment of the universal material testing machine, the first clamping plate and the second clamping plate on the sample stage cooperate to position the test block at the center of the sample stage. This solves the problem of uneven force on the test block caused by vibration of the testing machine, ensuring uniform force on the test block of the universal material testing machine and making the universal material testing machine have the advantages of uniform force on the test block and small experimental error.

[0004] However, in the above technical solution, the universal material testing machine is used to detect the tensile strength of the riveted nut stud during the production process, to ensure the load, head bonding force, and shear force of the riveted nut stud. The riveted nut stud will be subjected to different directions of tensile force depending on the different use environments, not only vertical tensile force, but also sometimes inclined tensile force. However, the current universal material testing machine can only detect vertical tensile force, with a narrow range of application. SUMMARY

[0005] The utility model discloses a main purpose at providing a kind of servo material testing machine, can effectively solve background technology in riveting nut stud production process, need to utilize universal material testing machine to detect riveting nut stud tensile strength, guarantee riveting nut stud load, head binding force and shearing force, riveting nut stud is different according to use environment, the tensile force direction it receives is also different, not only will be subjected to vertical tensile force, sometimes also will be subjected to oblique direction tensile force, and the universal material testing machine of present stage can only detect vertical tensile force, the problem of narrow scope of application.

[0006] To achieve the above object, the technical scheme adopted by the utility model is:

[0007] A kind of servo material testing machine, including base, the base is provided with support column, the support column is slidably arranged with lifting platform, the lifting platform below one side is fixedly provided with first connecting column, the first connecting column and second connecting column are provided with one side below, the first connecting column and second connecting column are fixedly provided with fixed block on the side of each other, the fixed block is provided with placing groove, the placing groove is provided with locating block, riveting nut stud is riveted on the locating block, the placing groove is provided with first through slot on the side of each other.

[0008] As preferred, the second connecting column is fixedly connected with the base, and the placing groove and the first through slot are in communication with each other.

[0009] As preferred, the area of the first through slot is less than the area of the placing groove.

[0010] As preferred, the locating block includes a locating block base, the locating block base is provided with a groove, the groove is provided with a second through slot on both sides, and the inner wall of the second through slot is provided with a plurality of scale lines.

[0011] As preferred, the groove is slidably provided with a base plate, the base plate is provided with a top column and a third through slot, and the fourth through slot is provided below the top column.

[0012] As preferred, the base plate is rotatably provided with a rotating disc on one side, the rotating disc is provided with two top block placing grooves, the top block placing grooves are provided with top blocks, the rotating disc is provided with a buckle groove, and the rotating disc is fixedly provided with a plurality of springs on the side away from the buckle groove.

[0013] As preferred, the third through slot penetrates the locating block base, the base plate and the rotating disc.

[0014] As preferred, one end of the spring is fixedly connected with the locating block base.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] (1) the utility model discloses when using, when need to make the positioning block inclination, carry out the inclination tension test, first according to the angle of inclination required, the bottom disc is moved to the fourth through groove through the rotating disc, then the jackscrew passes through the fourth through groove, moves the specified distance to the positioning block base exterior, subsequently the top block of specified size is passed through the second through groove and is placed in the top block placement groove, then the rotating disc is driven to rotate through the buckle groove, makes the top block placement groove and the second through groove mutually staggered, thereby the position of top block is fixed and then repeats the above-mentioned test step can carry out the inclination tension test to riveting nut stud, can be flexibly changed between normal tension test and inclination tension test according to the use requirement of riveting nut stud, expands the scope of application. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram of the utility model of a kind of servo material testing machine;

[0018] Figure 2 It is the front view structure schematic diagram of the utility model of a kind of servo material testing machine;

[0019] Figure 3 It is the section structure schematic diagram of the utility model of a kind of positioning block in servo material testing machine;

[0020] Figure 4 It is the section structure schematic diagram of the utility model of a kind of positioning block in servo material testing machine.

[0021] In the drawing: 1, base;2, support column;3, lifting platform;4, first connecting column;5, second connecting column;6, fixed block;7, placement groove;8, positioning block;801, positioning block base;802, recess;803, second through groove;804, scale line;805, bottom disc;806, jackscrew;807, third through groove;808, fourth through groove;809, rotating disc;8010, top block placement groove;8011, top block;8012, buckle groove;8013, spring;9, riveting nut stud;10, first through groove. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] As Figure 1 And Figure 2As shown, a servo material testing machine, including base 1, which is provided with support column 2, the lifting platform 3 is arranged on the support column 2, the first connecting column 4 is fixedly arranged on one side below the lifting platform 3, the second connecting column 5 is arranged on one side below the first connecting column 4, the fixed block 6 is fixedly arranged on the side of the first connecting column 4 and the second connecting column 5, the placing groove 7 is arranged on the fixed block 6, the positioning block 8 is arranged in the placing groove 7, the riveting nut stud 9 is riveted on the positioning block 8, and the first through groove 10 is arranged on the side of the two placing grooves 7 close to each other.

[0024] As Figure 3 and Figure 4 As shown in another embodiment of the utility model, the positioning block 8 includes positioning block base 801, the recess 802 is arranged on the positioning block base 801, the second through groove 803 is arranged on the both sides of the recess 802, and a plurality of scale lines 804 are arranged on the inner wall of the second through groove 803.

[0025] The bottom disc 805 is arranged in the recess 802, the top column 806 and the third through groove 807 are arranged on the bottom disc 805, and the fourth through groove 808 is arranged below the top column 806.

[0026] The rotating disc 809 is rotatably arranged on one side of the bottom disc 805, the top block placing groove 8010 is arranged on the rotating disc 809, the top block 8011 is arranged on the top block placing groove 8010, the buckle groove 8012 is arranged on the rotating disc 809, and a plurality of springs 8013 are fixedly arranged on the side of the rotating disc 809 away from the buckle groove 8012, when the normal tension test of the riveting nut stud 9 is needed, first, the both ends of the riveting nut stud 9 are passed through the third through groove 807 of different positioning blocks 8, and the both ends of the riveting nut stud 9 are fixed, then the positioning block 8 is placed in the placing groove 7, at this time, because of the spring 8013, the top column 806 is located in the recess 802, and then the tension test can be carried out,

[0027] When the positioning block 8 needs to be tilted, first, according to the angle of inclination required, the base plate 805 is moved to the fourth through slot 808 by rotating the disc 809, and the movement distance of the base plate 805 is monitored by the scale line 804, the spring 8013 is deformed, then the top column 806 passes through the fourth through slot 808 and moves a specified distance outside the positioning block base 801, then the top block 8011 of a specified size is put into the top block placing groove 8010 through the second through slot 803, the position of the base plate 805 and the rotating disc 809 is fixed by the top block, and the force generated during the test is shared, then the rotating disc 809 is rotated by the buckle slot 8012, the top block placing groove 8010 and the second through slot 803 are misaligned with each other, so that the position of the top block 8011 is fixed, and then the above test steps are repeated to test the inclined tension of the riveted nut stud 9.

[0028] The working principle of the servo material testing machine is as follows:

[0029] When the riveted nut stud 9 needs to be tested normally, first, the two ends of the riveted nut stud 9 pass through the third through slot 807 of different positioning blocks 8, and the two ends of the riveted nut stud 9 are fixed, then the positioning block 8 is placed in the placing groove 7, then the lifting platform 3 moves the fixed block 6 by the first connecting column 4, the fixed block 6 moves the positioning block 8, so as to test the tension, when the positioning block 8 needs to be tilted for inclined tension test, first, according to the angle of inclination required, the base plate 805 is moved to the fourth through slot 808 by rotating the disc 809, and the movement distance of the base plate 805 is monitored by the scale line 804, the spring 8013 is deformed, then the top column 806 passes through the fourth through slot 808 and moves a specified distance outside the positioning block base 801, then the top block 8011 of a specified size is put into the top block placing groove 8010 through the second through slot 803, the position of the base plate 805 and the rotating disc 809 is fixed by the top block, and the force generated during the test is shared, then the rotating disc 809 is rotated by the buckle slot 8012, the top block placing groove 8010 and the second through slot 803 are misaligned with each other, so that the position of the top block 8011 is fixed, and then the above test steps are repeated to test the inclined tension of the riveted nut stud 9, which can be flexibly replaced between normal tension test and inclined tension test according to the use requirements of the riveted nut stud 9, and the application range is expanded.

[0030] Obviously, the above embodiments of the present application are merely exemplary but not intended to limit the present application. Based on the above description, those skilled in the art can make further changes or modifications to the present application without departing from the scope of the present application.

Claims

1. A servo-type material testing machine, comprising a base (1), characterized in that: A support column (2) is provided on the base (1), a lifting platform (3) is slidably provided on the support column (2), a first connecting column (4) is fixedly provided on one side below the lifting platform (3), a second connecting column (5) is provided on one side directly below the first connecting column (4), a fixing block (6) is fixedly provided on the side where the first connecting column (4) and the second connecting column (5) are close to each other, a placement groove (7) is provided on the fixing block (6), a positioning block (8) is provided in the placement groove (7), a rivet nut stud (9) is provided on the positioning block (8), and a first through groove (10) is provided on the side where the two placement grooves (7) are close to each other.

2. A servo-type material testing machine according to claim 1, characterized in that: The second connecting column (5) is fixedly connected to the base (1), and the placement groove (7) and the first through groove (10) are communicated with each other.

3. A servo-type material testing machine according to claim 2, characterized in that: The area of ​​the first through groove (10) is smaller than the area of ​​the placement groove (7).

4. A servo-type material testing machine according to claim 3, characterized in that: The positioning block (8) comprises a positioning block base (801), a groove (802) is provided on the positioning block base (801), second through grooves (803) are provided on both sides of the groove (802), and a plurality of scale lines (804) are provided on the inner wall of the second through groove (803).

5. The servo-type material testing machine according to claim 4, characterized in that: A bottom plate (805) is slidably arranged in the groove (802), a top column (806) and a third through groove (807) are arranged on the bottom plate (805), and a fourth through groove (808) is arranged directly below the top column (806).

6. The servo-type material testing machine according to claim 5, characterized in that: A rotating disk (809) is rotatably provided on one side of the chassis (805), two top block placement grooves (8010) are provided on the rotating disk (809), top blocks (8011) are provided on the top block placement grooves (8010), a buckle groove (8012) is provided on the rotating disk (809), and a plurality of springs (8013) are fixedly provided on a side of the rotating disk (809) away from the buckle groove (8012).

7. The servo-type material testing machine according to claim 6, characterized in that: The third through slot (807) passes through the positioning block base (801), the bottom plate (805) and the rotating plate (809).

8. The servo-type material testing machine according to claim 7, characterized in that: One end of the spring (8013) is fixedly connected to the positioning block base (801).

Images