Tensile strength detection device for spring steel wire

Abstract

The utility model relates to the technical field of spring steel wire detection, and discloses a spring steel wire tensile strength detection device which comprises a detection seat, the inner side wall of the detection seat is fixedly connected with a telescopic sleeve and an electric push rod, the output end of the electric push rod is fixedly connected with a moving plate, and the inner wall of the moving plate is fixedly connected with an adjusting pipe. The inner wall of the adjusting pipe is movably connected with a first adjusting rod, one end of the first adjusting rod is fixedly connected with an abutting block, one side of the detection seat is fixedly connected with a butt-joint plate, one side of the butt-joint plate is fixedly connected with a butt-joint seat, and the inner wall of the butt-joint plate is movably connected with a second adjusting rod. According to the device for detecting the tensile strength of the spring steel wire, the two ends of the spring steel wire can be connected and positioned with the movable plate and the butt joint plate respectively, so that the spring steel wire can be firmly positioned, the spring steel wire is prevented from being separated during tensile strength detection, the influence on detection work is avoided, and meanwhile, the stable effect of spring steel wire connection during detection is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of spring steel wire detection, in particular to a spring steel wire tensile strength detection device. Background Art

[0002] Spring steel wire is an important material used in the manufacture of springs or wire-shaped parts. Its quality requirements vary depending on the purpose of the spring. Spring steel wire can be classified according to the manufacturing process, including but not limited to raw spring steel wire (not lead-bath quenching treatment), lead-quenched spring steel wire, galvanized spring steel wire, oil-quenched spring steel wire, etc. Tensile testing is to slowly pull a material specimen under the action of an axial force until it breaks. Tensile testing is used to determine the yield strength, tensile strength and elongation of materials such as low-carbon steel. During the test, attention should be paid to observing the changes between tension and deformation, and determining the relationship curve between stress and strain.

[0003] Existing spring steel wire needs to be tested for tensile strength before production. The current tensile testing device does not fix the two ends of the spring well, which may cause it to fall off during testing, affecting the test effect. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the present invention provides a spring steel wire tensile strength detection device, which has the advantages of position limiting stability and the like, and solves the problems in the above-mentioned background technology.

[0006] (2) Technical solution

[0007] In order to achieve the above-mentioned purpose of limiting stability, the utility model provides the following technical solution: a spring steel wire tensile strength detection device, including a detection seat, the inner side walls of the detection seat are respectively fixedly connected to a telescopic sleeve and an electric push rod, and the output end of the electric push rod is fixedly connected to a movable plate.

[0008] The inner wall of the movable plate is fixedly connected to an adjusting tube, the inner wall of the adjusting tube is movably connected to a first adjusting rod, one end of the first adjusting rod is fixedly connected to a tightening block, one side of the detection seat is fixedly connected to a docking plate, one side of the docking plate is fixedly connected to the docking seat, and the inner wall of the docking plate is movably connected to a second adjusting rod, which can connect and position the two ends of the spring steel wire to the movable plate and the docking plate respectively, so that they can be firmly positioned to prevent the spring steel wire from detaching during the tensile strength test, thereby avoiding affecting the detection work and improving the stability of the spring steel wire connection during the test.

[0009] Preferably, a large card holder, a medium card holder and a small card holder are fixedly connected to one side of the movable plate, and a rubber ring is fixedly connected to one side of the movable plate, which can position spring steel wires of different specifications and can also perform detection operations on different types of spring steel wires at the same time, so that it can be suitable for the connection of spring steel wires of different models and sizes, which brings convenience to the tensile strength detection work and improves the applicability of the detection device when used.

[0010] Preferably, a guide groove is provided at the bottom of the detection seat, a slider is fixedly connected to the bottom of the movable plate, and the inner wall of the guide groove is movably connected to the outer wall of the slider, which can play a guiding and positioning role when the movable plate moves.

[0011] Preferably, the first adjusting rod and the second adjusting rod are movably connected to the movable plate and the docking plate respectively through an adjusting tube, and the adjusting tube and the first adjusting rod are arranged in a ring shape on one side of the movable plate, which is convenient for positioning according to the spring steel wire, so that it can be firmly installed on the movable plate, thereby improving stability during inspection work.

[0012] Preferably, the outer wall of the first adjusting rod and the outer wall of the second adjusting rod and the inner and outer walls of the adjusting tube are all provided with threads, and the first adjusting rod and the second adjusting rod are both threadedly connected to the adjusting tube, and the adjusting rod can be rotated to fix it according to the tightness of the positioning to prevent the spring wire from falling off.

[0013] Preferably, a scale plate is fixedly connected to the top of the detection seat, and a pointer is fixedly connected to the top of the movable plate, so that the degree of stretching can be easily observed during the tensile strength test.

[0014] Preferably, the diameter of the rubber ring is larger than the diameter of the large card seat, and the diameter of the large card seat is a sponge large card seat, which can improve the anti-slip performance during installation and reduce the activity of the spring steel wire.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the present invention provides a spring steel wire tensile strength detection device with the following beneficial effects:

[0017] 1. The spring steel wire tensile strength testing device, through a movable plate, an adjusting tube, a first adjusting rod, a tightening block, a docking plate, a docking seat and a second adjusting rod, can connect and position the two ends of the spring steel wire with the movable plate and the docking plate respectively, so that the two ends can be firmly positioned to prevent the spring steel wire from being separated during the tensile strength test, thereby avoiding affecting the test work, and also improving the stability of the spring steel wire connection during the test.

[0018] 2. The spring steel wire tensile strength testing device can position spring steel wires of different specifications through the large clamping seat, the medium clamping seat, the small clamping seat, the rubber ring, the adjusting tube, the first adjusting rod and the second adjusting rod. It can also perform testing operations on spring steel wires of different types at the same time, so it can be suitable for the connection of spring steel wires of different models and sizes, which brings convenience to the tensile strength testing work and improves the applicability of the testing device when used. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0020] Figure 2 This is a side view of the structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the utility model when viewed from above;

[0022] Figure 4 For this utility model Figure 1 Enlarged view of point A in the middle;

[0023] Figure 5 This is a schematic diagram of the movable plate structure of the utility model.

[0024] In the figure: 1. Detection seat; 2. Scale plate; 3. Guide groove; 4. Telescopic sleeve; 5. Electric push rod; 6. Moving plate; 7. Large card holder; 8. Medium card holder; 9. Small card holder; 10. Rubber ring; 11. Adjustment tube; 12. First adjustment rod; 13. Tightening block; 14. Docking plate; 15. Slider; 16. Docking seat; 17. Second adjustment rod; 18. Pointer. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Example 1

[0027] The preferred embodiment of the spring steel wire tensile strength detection device provided by the utility model is as follows Figures 1 to 5 As shown: A spring steel wire tensile strength detection device includes a detection seat 1, the inner side walls of the detection seat 1 are fixedly connected to a telescopic sleeve 4 and an electric push rod 5, and the output end of the electric push rod 5 is fixedly connected to a movable plate 6.

[0028] The inner wall of the movable plate 6 is fixedly connected with an adjusting tube 11, and the inner wall of the adjusting tube 11 is movably connected with a first adjusting rod 12, one end of the first adjusting rod 12 is fixedly connected with a tightening block 13, one side of the detection seat 1 is fixedly connected with a docking plate 14, one side of the docking plate 14 is fixedly connected with a docking seat 16, and the inner wall of the docking plate 14 is movably connected with a second adjusting rod 17, which can connect and position the two ends of the spring steel wire with the movable plate 6 and the docking plate 14 respectively, so that it can be firmly positioned to prevent the spring steel wire from detaching during the tensile strength test, thereby avoiding affecting the detection work and also improving the stability of the spring steel wire connection during the test.

[0029] In this embodiment, a large card seat 7, a medium card seat 8 and a small card seat 9 are fixedly connected to one side of the movable plate 6, and a rubber ring 10 is fixedly connected to one side of the movable plate 6, which can position spring steel wires of different specifications and can also perform detection operations on different types of spring steel wires at the same time, so that it can be suitable for the connection of spring steel wires of different models and sizes, which brings convenience to the tensile strength detection work and improves the applicability of the detection device when used.

[0030] Example 2

[0031] On the basis of Example 1, a preferred embodiment of the spring wire tensile strength detection device provided by the present invention is as follows: Figures 1 to 5 As shown: a guide groove 3 is provided at the bottom of the detection seat 1, a slider 15 is fixedly connected to the bottom of the movable plate 6, and the inner wall of the guide groove 3 is movably connected to the outer wall of the slider 15, which can play a guiding and positioning role when the movable plate 6 moves.

[0032] In this embodiment, the first adjusting rod 12 and the second adjusting rod 17 are movably connected to the movable plate 6 and the docking plate 14 respectively through the adjusting tube 11, and the adjusting tube 11 and the first adjusting rod 12 are arranged in a ring shape on one side of the movable plate 6, which is convenient for positioning according to the spring steel wire, so that it can be firmly installed on the movable plate 6, thereby improving stability during inspection work.

[0033] Furthermore, the outer wall of the first adjusting rod 12 and the outer wall of the second adjusting rod 17 and the inner and outer walls of the adjusting tube 11 are all provided with threads, and the first adjusting rod 12 and the second adjusting rod 17 are both threadedly connected to the adjusting tube 11, and the adjusting rods can be rotated to fix them according to the tightness of the positioning to prevent the spring wire from falling off.

[0034] Furthermore, a scale plate 2 is fixedly connected to the top of the detection base 1, and a pointer 18 is fixedly connected to the top of the movable plate 6, which can facilitate observation of the stretching degree during the tensile strength test.

[0035] In addition, the diameter of the rubber ring 10 is larger than the diameter of the large card seat 7, and the diameter of the large card seat 7 is a sponge large card seat, which can improve the anti-slip performance during installation and reduce the activity of the spring steel wire.

[0036] When in use, first dock one end of the spring steel wire with a suitable holder according to the size of the test spring wire, and different specifications of the holders are provided with a rubber ring 10 on the outside, which can be installed on the outside of the holder or inside the rubber ring 10 according to the ring diameter of the spring steel wire. Then, by rotating the first adjusting rod 12 through the cooperation of the adjusting tube 11, the tightening block 13 at one end can be driven to move and rotate, so that it is stuck in the spring steel wire ring and then extends outward, and a certain number of ring openings of the spring steel wire can be positioned in the tightening block 13 for fixed limit. Then, in the same way, dock the other end of the spring steel wire with the docking plate 14 and install it by adjusting the second adjusting rod 17, so that the two ends of the spring steel wire are firmly positioned. When the electric push rod 5 is started to mobilize the movable plate 6 to move, the tensile strength test operation of the spring steel wire can be performed.

[0037] In summary, the spring steel wire tensile strength testing device can connect and position the two ends of the spring steel wire with the movable plate 6 and the docking plate 14 respectively, so that the spring steel wire can be firmly positioned to prevent the spring steel wire from being detached during the tensile strength test. It can also position spring steel wires of different specifications and can also perform testing operations on different types of spring steel wires at the same time, so that it can be suitable for the connection of spring steel wires of different models and sizes, which brings convenience to the tensile strength test work.

[0038] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0039] 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 spring steel wire tensile strength testing device, comprising a testing seat (1), characterized in that: The inner side walls of the detection seat (1) are respectively fixedly connected with a telescopic sleeve (4) and an electric push rod (5), and the output end of the electric push rod (5) is fixedly connected with a movable plate (6); The inner wall of the movable plate (6) is fixedly connected to an adjusting tube (11), the inner wall of the adjusting tube (11) is movably connected to a first adjusting rod (12), one end of the first adjusting rod (12) is fixedly connected to a tightening block (13), one side of the detection seat (1) is fixedly connected to a docking plate (14), one side of the docking plate (14) is fixedly connected to a docking seat (16), and the inner wall of the docking plate (14) is movably connected to a second adjusting rod (17).

2. A spring steel wire tensile strength testing device according to claim 1, characterized in that: One side of the movable plate (6) is respectively fixedly connected to a large card seat (7), a medium card seat (8) and a small card seat (9), and one side of the movable plate (6) is fixedly connected to a rubber ring (10).

3. The spring steel wire tensile strength testing device according to claim 1, characterized in that: A guide groove (3) is provided at the bottom of the detection seat (1), a slider (15) is fixedly connected to the bottom of the movable plate (6), and the inner wall of the guide groove (3) is movably connected to the outer wall of the slider (15).

4. The spring steel wire tensile strength testing device according to claim 1, characterized in that: The first adjusting rod (12) and the second adjusting rod (17) are movably connected to the movable plate (6) and the docking plate (14) respectively through the adjusting tube (11), and the adjusting tube (11) and the first adjusting rod (12) are arranged in a ring shape on one side of the movable plate (6).

5. The spring steel wire tensile strength testing device according to claim 1, characterized in that: The outer wall of the first adjusting rod (12) and the outer wall of the second adjusting rod (17) and the inner and outer walls of the adjusting tube (11) are both provided with threads, and the first adjusting rod (12) and the second adjusting rod (17) are both threadedly connected to the adjusting tube (11).

6. The spring steel wire tensile strength testing device according to claim 1, characterized in that: The top of the detection seat (1) is fixedly connected to a scale plate (2), and the top of the movable plate (6) is fixedly connected to a pointer (18).

7. The spring steel wire tensile strength testing device according to claim 2, characterized in that: The diameter of the rubber ring (10) is larger than the diameter of the large card seat (7), and the diameter of the large card seat (7) is the same as that of a sponge large card seat.

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