Deformation testing device for spring steel wire

Abstract

The utility model relates to the technical field of spring steel wire production, in particular to a spring steel wire deformation testing device which comprises a device body and a placing table, the placing table is fixedly connected to the surface of the device body, a vertical rod is installed on the surface of the placing table, a hollow plate is fixedly connected to the surface of the device body, and the hollow plate is fixedly connected to the surface of the device body. And the interior of the hollow plate is rotationally connected with a rotating rod through a bearing. A rotating disc in the protection device drives a fastening stud to move, the fastening stud drives a threaded block to move, the threaded block drives a vertical plate to move, the vertical plate slides in a device body, the vertical plate drives a transparent shell to move, the transparent shell drives a transverse column to move, and the transverse column slides in the vertical column, so that the right end of the transparent shell is attached to the outer wall of a hollow plate; when the testing device is used for testing the deformation of the spring steel wire, the spring steel wire in the test is covered by moving the transparent shell, and if the spring is broken, fragments of the spring steel wire cannot be sputtered out, so that the safety of the testing device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of spring steel wire production, in particular to a deformation testing device for spring steel wire. Background Art

[0002] Spring steel wire is a kind of steel wire used to make springs or steel wire parts. According to the different uses of springs, there are many types of spring steel wires required for making springs. When the spring steel wire is produced, the deformation of the spring steel wire needs to be tested by a testing device.

[0003] For example, a spring deformation measuring device with the authorization announcement number CN213984902U includes a base, a scale is provided in the middle of the base, one end of the base is fixedly connected to a threaded rod propulsion mechanism, and one end of the threaded rod propulsion mechanism is rotatably connected to the lower part of the pressure sensing mechanism. Although the above document can achieve the goal of ensuring that the spring will not bounce off during the compression process through the limit rod and the anti-drop rod mechanism, which increases the safety, has strong practicality, good use effect, and is easy to promote and use; however, when in use, the test device tests the deformation of the spring steel wire by compressing the spring steel wire through a pressure gauge during the process of testing the deformation of the spring steel wire. Since no protective structure is set inside the device to protect the safety of the tester and prevent the spring steel wire from breaking during the test, causing the spring steel wire fragments to splash around, thereby reducing the safety of the test device. Utility Model Content

[0004] The utility model aims to solve the problem of reducing the safety of the testing device and proposes a deformation testing device for a spring steel wire.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A deformation testing device for a spring steel wire is designed, comprising a device body and a placing table, the placing table is fixedly connected to the surface of the device body, a vertical rod is installed on the surface of the placing table, a hollow plate is fixedly connected to the surface of the device body, the interior of the hollow plate is rotatably connected to a rotating rod through a bearing, the end of the rotating rod is fixedly connected to a first bevel gear, and a protective device is arranged inside the device body.

[0007] Preferably, the protective device includes a turntable and a fastening stud, the turntable is fixedly connected to the end of the fastening stud, both ends of the fastening stud are rotatably connected to the device body through bearings, the fastening stud is threadedly connected to the threaded block, the threaded block is fixedly connected to the inside of the vertical plate, the vertical plate is slidably connected to the device body, and the outer wall of the vertical plate is fixed with a transparent shell.

[0008] Preferably, a transverse column is fixedly connected to the outer wall of the transparent shell, the transverse column is slidably connected to a vertical column, and the vertical column is fixedly connected to the surface of the device body.

[0009] Preferably, the first bevel gear is meshed with the second bevel gear, the second bevel gear is fixed to the outer wall of the lead screw, and both ends of the lead screw are rotatably connected to the hollow plate through bearings.

[0010] Preferably, the lead screw is threadedly connected to the lead screw nut, and the lead screw nut is slidingly connected to the hollow plate.

[0011] Preferably, a connecting plate is fixedly connected to the outer wall of the lead screw nut, the connecting plate is slidably connected to the vertical rod, and a pressure sensor is installed on the outer wall of the connecting plate.

[0012] The utility model provides a deformation testing device for a spring steel wire, and has the beneficial effects of: a fastening stud is driven to move by a turntable in a protective device, the fastening stud drives a threaded block to move, the threaded block drives a vertical plate to move, the vertical plate slides in a device body, the vertical plate drives a transparent shell to move, the transparent shell drives a horizontal column to move, the horizontal column slides in a vertical column, so that the right end of the transparent shell fits with an outer wall of a hollow plate, the testing device is set to test the deformation of the spring steel wire, the spring steel wire under test is covered by moving the transparent shell, if the spring breaks, spring steel wire fragments will not splash out, thereby improving the safety of the testing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 A schematic diagram of the front view structure of

[0015] Figure 3 for Figure 1 A schematic diagram of a top view structure;

[0016] Figure 4 for Figure 2 Enlarged structural diagram at A in the middle.

[0017] In the figure: 1. device body, 2. placement table, 3. vertical rod, 4. protective device, 401. turntable, 402. fastening stud, 403. threaded block, 404. vertical plate, 405. transparent shell, 5. horizontal column, 6. vertical column, 7. hollow plate, 8. rotating rod, 9. first bevel gear, 10. second bevel gear, 11. lead screw, 12. lead screw nut, 13. connecting plate, 14. pressure sensor. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings:

[0019] See attached Figure 1-4 In the present embodiment, a deformation test device for a spring steel wire comprises a device body 1 and a placement table 2. The placement table 2 is fixedly connected to the surface of the device body 1. A vertical rod 3 is installed on the surface of the placement table 2. The spring steel wire is sleeved on the vertical rod 3 so that the bottom of the spring steel wire fits the placement plate 2. A hollow plate 7 is fixedly connected to the surface of the device body 1. The interior of the hollow plate 7 is rotatably connected to a rotating rod 8 through a bearing. The end of the rotating rod 8 is fixedly connected to a first bevel gear 9. The rotating rod 8 drives the first bevel gear 9 to rotate. A protective device 4 is provided inside the device body 1. The protective device 4 comprises a rotating disk 401 and a fastening stud 402. The rotating disk 401 is fixedly connected to the end of the fastening stud 402. The rotating disk 401 drives the fastening stud 402 to move. The two ends of the fastening stud 402 are fixedly connected. Both ends are rotatably connected to the device body 1 through bearings, the fastening stud 402 is threadedly connected to the threaded block 403, the fastening stud 402 drives the threaded block 403 to move, the threaded block 403 is fixedly connected to the inside of the vertical plate 404, the threaded block 403 drives the vertical plate 404 to move, the vertical plate 404 is slidably connected to the device body 1, the vertical plate 404 slides in the device body 1, the outer wall of the vertical plate 404 is fixedly connected with a transparent shell 405, the vertical plate 404 drives the transparent shell 405 to move, the outer wall of the transparent shell 405 is fixedly connected with a horizontal column 5, the transparent shell 405 drives the horizontal column 5 to move, the horizontal column 5 is slidably connected to the vertical column 6, the horizontal column 5 slides in the vertical column 6, so that the right end of the transparent shell 405 fits the outer wall of the hollow plate 7, and the vertical column 6 is fixedly connected to the surface of the device body 1;

[0020] The turntable 401 in the protective device 4 drives the fastening stud 402 to move, the fastening stud 402 drives the threaded block 403 to move, the threaded block 403 drives the vertical plate 404 to move, the vertical plate 404 slides in the device body 1, the vertical plate 404 drives the transparent shell 405 to move, the transparent shell 405 drives the horizontal column 5 to move, the horizontal column 5 slides in the vertical column 6, so that the right end of the transparent shell 405 fits with the outer wall of the hollow plate 7, and the test device is set to test the deformation of the spring steel wire. The spring steel wire under test is covered by moving the transparent shell 405. If the spring breaks, the spring steel wire fragments will not splash out, thereby improving the safety of the test device.

[0021] See attached Figure 1-4: In this embodiment, the first bevel gear 9 is meshed with the second bevel gear 10, the first bevel gear 9 drives the second bevel gear 10 to rotate, the second bevel gear 10 is fixedly connected to the outer wall of the lead screw 11, the second bevel gear 10 drives the lead screw 11 to rotate, both ends of the lead screw 11 are rotatably connected to the hollow plate 7 through bearings, the lead screw 11 is threadedly connected to the lead screw nut 12, the lead screw 11 drives the lead screw nut 12 to move, the lead screw nut 12 is slidably connected to the hollow plate 7, the lead screw nut 12 slides in the hollow plate 7, the outer wall of the lead screw nut 12 is fixedly connected with a connecting plate 13, the connecting plate 13 is slidably connected to the vertical rod 3, the lead screw nut 12 drives the connecting plate 13 to slide in the vertical rod 3, the outer wall of the connecting plate 13 is installed with a pressure sensor 14, the connecting plate 13 drives the pressure sensor 14 to move, the pressure sensor 14 compresses the spring steel wire, the pressure sensor 14 is connected to an external computer, the pressure sensor 14 transmits the deformation of the spring steel wire to the external computer to test the deformation of the spring steel wire.

[0022] Working principle:

[0023] When the deformation testing device of the spring steel wire is in use, the connecting plate 13 is first removed from the screw nut 12, and then the spring steel wire is sleeved on the vertical rod 3 so that the bottom of the spring steel wire fits with the placement plate 2. After completion, the connecting plate 13 is reinstalled on the screw nut 12. After completion, the staff rotates the protective device 4, the staff rotates the turntable 401, the turntable 401 drives the fastening stud 402 to move, the fastening stud 402 drives the threaded block 403 to move, the threaded block 403 drives the vertical plate 404 to move, the vertical plate 404 slides in the device body 1, the vertical plate 404 drives the transparent shell 405 to move, the transparent shell 405 drives the horizontal column 5 to move, the horizontal column 5 slides in the vertical column 6, so that the right end of the transparent shell 405 fits with the outer wall of the hollow plate 7. After completion, the staff stops rotating the turntable 401, the staff rotates the rotating rod 8, and the rotating rod 8 drives The first bevel gear 9 rotates, and the first bevel gear 9 drives the second bevel gear 10 to rotate. The second bevel gear 10 drives the lead screw 11 to rotate, and the lead screw 11 drives the lead screw nut 12 to move. The lead screw nut 12 slides in the hollow plate 7, and the lead screw nut 12 drives the connecting plate 13 to slide in the vertical rod 3. The connecting plate 13 drives the pressure sensor 14 to move, and the pressure sensor 14 compresses the spring steel wire. The pressure sensor 14 is connected to an external computer, and the pressure sensor 14 transmits the deformation of the spring steel wire to the external computer to test the deformation of the spring steel wire. After completion, the staff rotates the rotating rod 8 in the opposite direction to move the connecting plate 13 to the initial position, the staff rotates the turntable 401 in the opposite direction, and the transparent shell 405 returns to the initial position. The staff takes down the spring steel wire and repeats the above steps to continue to test the deformation of the spring steel wire.

[0024] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A deformation test device for a spring steel wire, comprising a device body (1) and a placement table (2), wherein the placement table (2) is fixedly connected to the surface of the device body (1), and characterized in that: A vertical rod (3) is installed on the surface of the placement table (2), a hollow plate (7) is fixedly connected to the surface of the device body (1), the interior of the hollow plate (7) is rotatably connected to a rotating rod (8) via a bearing, the end of the rotating rod (8) is fixedly connected to a first bevel gear (9), and a protective device (4) is provided inside the device body (1).

2. A deformation testing device for a spring steel wire according to claim 1, characterized in that: The protective device (4) comprises a rotating disk (401) and a fastening stud (402), wherein the rotating disk (401) is fixedly connected to the end of the fastening stud (402), both ends of the fastening stud (402) are rotatably connected to the device body (1) via bearings, the fastening stud (402) is threadedly connected to a threaded block (403), the threaded block (403) is fixedly connected to the inside of a vertical plate (404), the vertical plate (404) is slidably connected to the device body (1), and a transparent shell (405) is fixedly connected to the outer wall of the vertical plate (404).

3. A deformation testing device for a spring steel wire according to claim 2, characterized in that: A transverse column (5) is fixedly connected to the outer wall of the transparent shell (405), and the transverse column (5) is slidably connected to a vertical column (6), and the vertical column (6) is fixedly connected to the surface of the device body (1).

4. A spring wire deformation testing device according to claim 1, characterized in that: The first bevel gear (9) is meshed with the second bevel gear (10), the second bevel gear (10) is fixed to the outer wall of the lead screw (11), and both ends of the lead screw (11) are rotatably connected to the hollow plate (7) through bearings.

5. A deformation testing device for a spring steel wire according to claim 4, characterized in that: The lead screw (11) is threadedly connected to the lead screw nut (12), and the lead screw nut (12) is slidably connected to the hollow plate (7).

6. A deformation testing device for a spring steel wire according to claim 5, characterized in that: A connecting plate (13) is fixedly connected to the outer wall of the lead screw nut (12), the connecting plate (13) is slidably connected to the vertical rod (3), and a pressure sensor (14) is installed on the outer wall of the connecting plate (13).

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