Strength tensile testing machine for stainless steel metal piece

Abstract

The utility model relates to the technical field of metal piece tension testing, in particular to a strength tension testing machine for a stainless steel metal piece, which comprises a shell, an auxiliary component used for keeping the shape of the metal piece when the stainless steel metal piece is subjected to tension testing is arranged in the shell, and the auxiliary component comprises a testing groove arranged in the shell. Two groups of positioning plates and sliding grooves are arranged on the inner wall of the testing groove, sliding blocks are arranged at the bottoms of the two positioning plates, signal blocks are arranged at the ends, close to the sliding grooves, of the sliding blocks, induction plates and springs are arranged in the two groups of sliding grooves, air bins are arranged on the inner walls of the sliding grooves, and connecting rods and pistons are arranged on the sides, close to the air bins, of the sliding blocks. According to the utility model, the body of the stainless steel metal piece is abutted, so that the clamping limit is realized, the bending amplitude is reduced, the reminding can be carried out when the metal piece is bent, and the timely treatment is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of metal piece tensile testing, in particular to a strength tensile testing machine for stainless steel metal pieces. Background Art

[0002] Tensile testing of stainless steel components evaluates their ability to withstand external forces. This test verifies whether stainless steel components can maintain their structure and integrity under maximum load. This ensures that these products possess sufficient mechanical strength and durability, guaranteeing their reliability and stability in various applications, and also verifies the safety of the components during actual use.

[0003] However, in the current existing technology, during the tensile test of metal parts, improper force or incorrect direction of application may cause the metal parts to bend, resulting in changes in the internal stress and strain of the material, thereby affecting the accuracy of the test results. Utility Model Content

[0004] The purpose of the utility model is to provide a strength tensile testing machine for stainless steel metal parts to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A strength tensile testing machine for stainless steel metal parts includes a shell, an auxiliary component for maintaining the shape of the metal part when performing a tensile test on the stainless steel metal part is arranged inside the shell, the auxiliary component includes a test slot arranged inside the shell, the inner wall of the test slot is provided with two groups of positioning plates and slide slots, the bottom of the two positioning plates are provided with a slider, the slider is provided with a signal block near one end of the slide slot, the inside of the two groups of the slide slots are provided with a sensing plate and a spring, the inner wall of the slide slot is provided with an air chamber, and the slider is provided with a connecting rod and a piston near the side of the air chamber.

[0007] As a preferred solution of the present invention, two fixing frames are provided inside the test slot, and clamps are provided inside the two fixing frames. One of the fixing frames is slidably connected to the inner wall of the test slot through a slide rail, and a cylinder is provided on one side.

[0008] As a preferred solution of the present invention, one end of the slider is connected to the bottom of the positioning plate by a bolt, and the other end extends into the slide groove and is slidably connected to the inside of the slide groove through a slide rail. Both ends of the spring are connected to the inner wall of the slide groove and the slider by welding.

[0009] As a preferred solution of the present invention, the signal block is connected to the end of the slider close to the slide groove by a bolt, the sensor plate is embedded in the inner wall of the slide groove, and the outer wall of the signal block abuts against the sensor plate and is electrically connected to the sensor plate.

[0010] As a preferred solution of the present invention, the gas chamber is located on the inner wall of the slide groove, one end of the connecting rod is connected to the side of the slider close to the gas chamber by a bolt, and the other end extends into the gas chamber and is connected to the piston, and the piston is slidably connected to the gas chamber.

[0011] As a preferred solution of the present invention, the positioning plate can be pushed to abut and clamp the stainless steel metal part through the air pressure in the air chamber and the spring. During the tensile test, the position change of the positioning plate can be detected by the position of the signal block on the sensing plate and the change of air pressure in the air chamber.

[0012] Compared with the prior art, the beneficial effects of the present invention are: in response to the problems raised in the background technology, the present application adopts an auxiliary component, which uses a positioning plate to abut and clamp the metal part when the stainless steel metal part is subjected to a tensile test, and the positions of the two positioning plates are consistent when the metal part is at the specified position. During the tensile test, the thickness or diameter of the metal part will be reduced due to the tensile force, and the positioning plate will follow up for clamping. At the same time, the movement amplitude of the two positioning plates is monitored by the change of air pressure in the air chamber and the position of the signal block on the sensing plate. When the metal part bends, the bent side will push the positioning plate at the corresponding position to contract outward, so that the positions of the two positioning plates deviate, which is convenient for reminding when the metal part is bent.

[0013] The utility model can achieve abutment against the stainless steel metal piece, thereby clamping and limiting it, reducing the bending range, and can remind when the metal piece is bent, so as to facilitate timely processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the appearance and structure diagram of the test equipment of this utility model;

[0015] Figure 2 This is a cross-sectional view of the interior of the test tank of the utility model;

[0016] Figure 3 This is an enlarged view of part A of the present utility model.

[0017] In the figure: 1. Shell; 2. Test slot; 3. Fixture; 301. Fixture; 4. Cylinder; 5. Positioning plate; 501. Slider; 502. Signal block; 6. Slide; 601. Sensor plate; 602. Spring; 7. Air chamber; 8. Connecting rod; 801. Piston. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the embodiments of the present invention.

[0019] Example

[0020] See also Figure 1-3 The utility model provides a technical solution: a strength tensile testing machine for stainless steel metal parts, comprising a shell 1, wherein the shell 1 is provided with an auxiliary component for maintaining the shape of the metal parts when performing a tensile test on the stainless steel metal parts, and the auxiliary component comprises a test slot 2 arranged inside the shell 1, for storing the stainless steel metal parts during the tensile test, and the inner wall of the test slot 2 is provided with two sets of positioning plates 5 and slide grooves 6. When performing a tensile test, the stainless steel metal parts are placed between the two positioning plates 5, and the positioning plates 5 can push the positioning plates 5 to approach the metal parts in the test slot 2 and abut against them to clamp and limit them through the internal air pressure of the air chamber 7 and the spring 602. The bottom of the two positioning plates 5 is provided with a slider 501, and the slider 501 is provided with a signal block 502 at one end near the slide groove 6. The position of the slider 501 matches the positioning plate 5. When the slider 501 and the positioning plate 5 move, the signal block 502 will slide synchronously on the sensing plate 601. The position of the positioning plate 5 can be detected by the sensing plate 601 to sense the position of the signal block 502, and the moving positions of the two positioning plates 5 can be compared. Under normal conditions, the two positioning plates 5 have corresponding moving ranges in the slide 6. Both groups of the slides 6 are equipped with sensing plates 601 and springs 602. The inner wall of the slide 6 is equipped with an air chamber 7, which is loaded with high-pressure gas. The positioning plate 5 can be pushed to move by the connecting rod 8 and the piston 801, and the pressure in the air chamber 7 will change when the positioning plate 5 extends or contracts. The position of the positioning plate 5 can also be calculated by comparing the pressures in the corresponding air chambers 7 of the two positioning plates 5 through the PLC controller. The slider 501 is equipped with a connecting rod 8 and a piston 801 on the side close to the air chamber 7. When a metal part bends, the bent side will push the positioning plate 5 at the corresponding position to retract outward, thereby causing the position signal of the signal block 502 on the sensing plate 601 to change. When the positioning plate 5 moves, the connecting rod 8 causes the piston 801 to move in the air chamber 7 to change the pressure. The two data are compared to detect the position deviation of the two positioning plates 5. The deviation signal is then sent to the control center through the PLC controller to provide a reminder when the metal part is bent.

[0021] In this embodiment, all electrical components are controlled by conventional controllers.

[0022] For example, please refer to Figure 1-3, two fixing frames 3 are provided inside the test slot 2, and a clamp 301 is provided inside the two fixing frames 3 for clamping and fixing the stainless steel metal parts. The two fixing frames 3 fix the two ends of the metal parts. One of the fixing frames 3 is driven to move by the cylinder 4 to perform a tensile test on the metal. One of the fixing frames 3 is slidably connected to the inner wall of the test slot 2 through a slide rail, and a cylinder 4 is provided on one side. One end of the slider 501 is connected to the bottom of the positioning plate 5 by a bolt, and the other end extends into the slide groove 6 and is slidably connected to the inside of the slide groove 6 through the slide rail. Both ends of the spring 602 are connected to the inner wall of the slide groove 6 and the slider 501 by welding. The signal block 502 is connected to the slide by bolts. The block 501 is connected close to one end of the slide 6, the sensing plate 601 is embedded and connected to the inner wall of the slide 6, the outer wall of the signal block 502 is in contact with the sensing plate 601, and is electrically connected to the sensing plate 601, the gas chamber 7 is located on the inner wall of the slide 6, one end of the connecting rod 8 is connected to the slider 501 close to the gas chamber 7 by a bolt, and the other end extends into the gas chamber 7 and is linked to the piston 801, the piston 801 is slidably connected to the gas chamber 7, and the air pressure of the gas chamber 7 and the spring 602 can push the positioning plate 5 to abut and clamp the stainless steel metal parts. During the tensile test, the position change of the positioning plate 5 can be detected by combining the position of the signal block 502 on the sensing plate 601 with the air pressure change in the gas chamber 7. When in use, first place the stainless steel metal part in the test slot 2, and fix the two ends of the metal part in the two fixing frames 3 respectively through the clamp 301. At the same time, the internal air pressure of the air chamber 7 and the spring 602 can push the positioning plate 5 to approach the metal part in the test slot 2 and abut against it to clamp and limit it. Then, one of the fixing frames 3 is driven to move by the cylinder 4 to perform a tensile test on the metal. During the test, when the metal part bends, the bent side will push the positioning plate 5 at the corresponding position to contract outward, thereby changing the position signal on the sensing plate 601 through the signal block 502, and cooperating with the pressure change in the corresponding air chamber 7 caused by the positioning plate 5. The two data are compared to find out that there is a deviation in the position of the two positioning plates 5, and the deviation signal is sent to the control center through the PLC controller to facilitate a reminder when the metal part is bent.

[0023] The workflow of the present invention is as follows: when in use, a stainless steel metal part is first placed in a test slot 2, and the two ends of the metal part are fixed to two fixing frames 3 by a clamp 301. At the same time, the air pressure inside the air chamber 7 and the spring 602 can push the positioning plate 5 toward the metal part in the test slot 2 and abut against it to clamp and restrict it. Then, the cylinder 4 drives one of the fixing frames 3 to move to perform a tensile test on the metal. During the test, if the metal part bends, the bent side will push the positioning plate 5 at the corresponding position to retract outward, thereby changing the position signal on the sensing plate 601 through the signal block 502. In conjunction with the pressure change in the corresponding air chamber 7 caused by the positioning plate 5, these two data are compared to detect the position deviation of the two positioning plates 5. The deviation signal is then sent to the control center through the PLC controller to facilitate a warning when the metal part bends. The present invention achieves abutment on the body of the stainless steel metal part, thereby clamping and restricting it, reducing the bending amplitude, and can also warn when the metal part bends, facilitating timely processing.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A strength tensile testing machine for stainless steel metal parts, comprising a housing (1), wherein an auxiliary component for maintaining the shape of the metal part when performing a tensile test on the stainless steel metal part is arranged inside the housing (1), characterized in that: The auxiliary component comprises a test slot (2) arranged inside a housing (1), the inner wall of the test slot (2) is provided with two groups of positioning plates (5) and a slide slot (6), the bottom of the two positioning plates (5) is provided with a slider (501), one end of the slider (501) close to the slide slot (6) is provided with a signal block (502), the inside of the two groups of slide slots (6) are provided with a sensing plate (601) and a spring (602), the inner wall of the slide slot (6) is provided with an air chamber (7), and the slider (501) is provided with a connecting rod (8) and a piston (801) on the side close to the air chamber (7).

2. A stainless steel metal parts strength tensile testing machine according to claim 1, characterized in that: Two fixing frames (3) are arranged inside the test slot (2), and clamps (301) are arranged inside the two fixing frames (3). One of the fixing frames (3) is slidably connected to the inner wall of the test slot (2) via a slide rail, and a cylinder (4) is arranged on one side.

3. The strength tensile testing machine for stainless steel metal parts according to claim 1, characterized in that: One end of the slider (501) is connected to the bottom of the positioning plate (5) by a bolt, and the other end extends into the slide groove (6) and is slidably connected to the inside of the slide groove (6) by a slide rail. Both ends of the spring (602) are connected to the inner wall of the slide groove (6) and the slider (501) by welding.

4. The strength tensile testing machine for stainless steel metal parts according to claim 1, characterized in that: The signal block (502) is connected to one end of the slider (501) close to the slide groove (6) through bolts, the sensing plate (601) is embedded and connected to the inner wall of the slide groove (6), and the outer wall of the signal block (502) abuts against the sensing plate (601) and is electrically connected to the sensing plate (601).

5. The strength tensile testing machine for stainless steel metal parts according to claim 1, characterized in that: The gas bin (7) is located on the inner wall of the slide groove (6); one end of the connecting rod (8) is connected to the side of the slider (501) close to the gas bin (7) through a bolt; the other end extends into the gas bin (7) and is connected to the piston (801); the piston (801) is slidably connected to the gas bin (7).

6. The strength tensile testing machine for stainless steel metal parts according to claim 1, characterized in that: The positioning plate (5) can be pushed to abut and clamp the stainless steel metal piece through the air pressure of the air chamber (7) and the spring (602). During the tensile test, the position change of the positioning plate (5) can be detected by the position of the signal block (502) on the sensing plate (601) in conjunction with the change of air pressure in the air chamber (7).

Images