Elastic force testing device for belleville spring production

Abstract

The utility model discloses an elastic force testing device for belleville spring production, which comprises a fixed box, the bottom surface of the fixed box is fixedly connected with a supporting block, the inner wall of the fixed box is fixedly connected with a base, the inner wall of the fixed box is fixedly connected with a hydraulic push rod, and after a door opening and closing assembly is opened, a spring is slidably sleeved on a limit testing assembly. A hydraulic push rod is started to push a pressure buffering mechanism to move downwards through a connecting plate to extrude a spring, pressure buffering work can be performed through springback and compression of the pressure buffering mechanism, a limiting test assembly is started to detect the numerical value of pressure borne by the spring, and meanwhile a detection camera is started to monitor the deformation state of the spring after pressure is borne through a protection mechanism. The elastic force testing device can complete the elastic force testing work of the spring, achieves the purpose of conveniently carrying out buffering protection work on the spring when the elastic force of the belleville spring is tested, and avoids the problem that the spring is likely to be broken and damaged after being suddenly stressed due to the fact that an existing testing device is difficult to buffer the pressure applied to the spring.

Description

Technical Field

[0001] The utility model relates to the technical field of disc spring production, in particular to an elastic force testing device for disc spring production. Background Art

[0002] Disc spring, also known as Belleville spring washer, was invented by the Frenchman Belleville. It is in the shape of a conical disc and can be used alone or in multiples in series or in parallel. It bears static or dynamic loads acting in the axial direction at the upper inner edge and the lower outer edge. It deforms after being compressed until it is flattened, storing energy as a live load.

[0003] After the disc spring is produced, it is necessary to extract the finished spring for elastic force testing. Pressure is applied to the spring through an elastic force testing device to detect the deformation state of the spring surface. However, the existing elastic force testing devices are difficult to perform buffering when applying pressure, which causes the disc spring to be easily broken and damaged after being suddenly subjected to force. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an elastic force testing device for disc spring production, which is used to solve the problems raised in the above-mentioned background technology.

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

[0006] A spring force testing device for disc spring production comprises a fixed box, a support block is fixedly connected to the bottom surface of the fixed box, a base is fixedly connected to the inner wall of the fixed box, a hydraulic push rod is fixedly connected to the inner wall of the fixed box, a connecting plate is fixedly connected to the output end of the hydraulic push rod, a detection camera is fixedly connected to the inner wall of the fixed box, a pressure buffer mechanism is arranged inside the connecting plate, a limit position testing assembly is arranged inside the base, a protective mechanism is arranged inside the fixed box, and a switch door assembly is arranged on the left side of the fixed box.

[0007] Preferably, the pressure buffer mechanism consists of a limiting shaft, a pressure ring and a buffer spring, the limiting shaft is slidably connected to the inner wall of the connecting plate, the pressure ring is fixedly connected to the bottom end of the limiting shaft, the buffer spring is fixedly connected to the top surface of the pressure ring, and the buffer spring is fixedly connected to the bottom surface of the connecting plate.

[0008] Preferably, the limit test assembly consists of a pressure sensor, a fixed plate and a limit rod, the pressure sensor is fixedly connected to the inner wall of the base, the fixed plate is fixedly connected to the detection end of the pressure sensor, and the fixed plate overlaps the inner wall of the base, and the limit rod is fixedly connected to the top surface of the fixed plate.

[0009] Preferably, the protection mechanism consists of a protection frame and a protection plate, the protection frame is fixedly connected to the inner wall of the fixed box, and the protection plate is fixedly connected to the surface of the protection frame.

[0010] Preferably, the switch door assembly consists of a hinge, a door frame, a visible panel and a door lock, the hinge is fixedly connected to the left side of the fixed box, the door frame is hingedly mounted on the fixed box via a hinge, the visible panel is fixedly connected to the inner wall of the door frame, and the door lock is fixedly connected to the inner wall of the door frame.

[0011] Preferably, there are multiple detection cameras, and the multiple detection cameras are symmetrically arranged with the vertical center line of the front side of the fixed box as the symmetry axis.

[0012] Preferably, the protective plate is rectangular and is made of transparent acrylic material.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the elastic force testing device for disc spring production, after opening the switch door assembly, slides the spring onto the limit test assembly, starts the hydraulic push rod to push the pressure buffer mechanism downward through the connecting plate to squeeze the spring, and the pressure buffer mechanism can perform the pressure buffering work through the rebound and compression, starts the limit test assembly to detect the pressure value of the spring, and starts the detection camera to monitor the deformation state of the spring after being subjected to pressure through the protective mechanism, thereby completing the elastic force testing of the spring; the goal of facilitating the buffering and protection of the spring when testing the elastic force of the disc spring is achieved, and the problem of the spring being easily broken and damaged due to sudden force because the existing test device is difficult to buffer the pressure applied to the spring is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the structural survey drawing of the utility model;

[0015] Figure 2 This is a front cross-sectional view of the structure of the utility model;

[0016] Figure 3 This is an enlarged view of the structure A of the utility model;

[0017] Figure 4 This is an enlarged view of the structure B of the utility model.

[0018] In the figure: 1. fixed box; 2. support block; 3. base; 4. hydraulic push rod; 5. connecting plate; 6. detection camera; 7. limit shaft; 8. pressure ring; 9. buffer spring; 10. pressure sensor; 11. fixed plate; 12. limit rod; 13. protective frame; 14. protective plate; 15. hinge; 16. door frame; 17. visual panel; 18. door lock. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Reference Figure 1-4A spring force testing device for disc spring production includes a fixed box 1, a support block 2 is fixedly connected to the bottom surface of the fixed box 1, a base 3 is fixedly connected to the inner wall of the fixed box 1, a hydraulic push rod 4 is fixedly connected to the inner wall of the fixed box 1, and a connecting plate 5 is fixedly connected to the output end of the hydraulic push rod 4. A detection camera 6 is fixedly connected to the inner wall of the fixed box 1. The number of the detection cameras 6 is multiple, and the multiple detection cameras 6 are symmetrically arranged with the vertical center line of the front of the fixed box 1 as the symmetry axis, which is used to detect the deformation and rebound state of the spring, thereby improving the detection range. A pressure buffer mechanism is arranged inside the connecting plate 5, and the pressure buffer mechanism consists of a limit shaft 7, a pressure ring 8 and a buffer spring 9. The limit shaft 7 is slidably connected to the inner wall of the connecting plate 5, and the pressure ring 8 is slidably connected to the limit The bottom end of the positioning shaft 7 is fixedly connected, the buffer spring 9 is fixedly connected to the top surface of the pressure ring 8, and the buffer spring 9 is fixedly connected to the bottom surface of the connecting plate 5, which is used for buffering the test pressure to protect the spring from damage. A limit test assembly is arranged inside the base 3, and the limit test assembly consists of a pressure sensor 10, a fixed disk 11 and a limit rod 12. The pressure sensor 10 is fixedly connected to the inner wall of the base 3, the fixed disk 11 is fixedly connected to the detection end of the pressure sensor 10, and the fixed disk 11 overlaps the inner wall of the base 3, the limit rod 12 is fixedly connected to the top surface of the fixed disk 11, which is used for limiting the fixed spring to detect the pressure received, and a protective mechanism is arranged inside the fixed box 1, and the protective mechanism consists of a protective frame 13 and a protective plate 14. The guard plate 14 is rectangular in shape, and is made of transparent acrylic material to avoid affecting the detection camera 6 in detecting work. At the same time, the protection strength is high. The protection frame 13 is fixedly connected to the inner wall of the fixed box 1, and the protection plate 14 is fixedly connected to the surface of the protection frame 13 to protect the detection camera 6 from being damaged. A switch door assembly is arranged on the left side of the fixed box 1. The switch door assembly consists of a hinge 15, a door frame 16, a visual panel 17 and a door lock 18. The hinge 15 is fixedly connected to the left side of the fixed box 1, and the door frame 16 is hingedly installed on the fixed box 1 through the hinge 15. The visual panel 17 is fixedly connected to the inner wall of the door frame 16, and the door lock 18 is fixedly connected to the inner wall of the door frame 16 to open or close the fixed box 1 to avoid After the spring collapses and pops out, it causes harm. After opening the switch door assembly, the spring is slidably sleeved on the limit test assembly. The hydraulic push rod 4 is started to push the pressure buffer mechanism downward through the connecting plate 5 to squeeze the spring. The pressure buffering work can be performed through the rebound and compression of the pressure buffer mechanism. The limit test assembly is started to detect the pressure value of the spring. At the same time, the detection camera 6 is started to monitor the deformation state of the spring after being subjected to pressure through the protective mechanism. The elastic force test of the spring can be completed, which achieves the goal of facilitating the buffering and protection of the spring when testing the elastic force of the disc spring, and avoids the problem that the spring is easily broken and damaged due to sudden force because the existing test device is difficult to buffer the pressure applied to the spring.

[0021] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0022] During use: first open the door lock 18 and then rotate the door frame 16 through the hinge 15 to open the door frame 16, slide the spring to be tested onto the surface of the limit rod 12 and place it on the top surface of the fixed disk 11, reset the door frame 16 to close the door lock 18, start the hydraulic push rod 4 to push the limit shaft 7 and the pressure ring 8 downward through the connecting plate 5 to squeeze the spring, and after the pressure ring 8 contacts the spring, the reaction force pushes the limit shaft 7 to slide along the inner wall of the connecting plate 5 to squeeze the buffer spring 9, so as to buffer the pressure of the pressure ring 8, start the pressure sensor 10 to detect the pressure value of the spring through the fixed disk 11, and at the same time start the detection camera 6 to monitor the deformation state of the spring after being subjected to pressure through the protective plate 14, so as to complete the spring elastic force test.

[0023] To summarize, the elastic force testing device for disc spring production, after opening the switch door assembly, slides the spring onto the limit test assembly, starts the hydraulic push rod 4 and pushes the pressure buffer mechanism downward through the connecting plate 5 to squeeze the spring, and the pressure buffering work can be performed through the rebound and compression of the pressure buffer mechanism. The limit test assembly is started to detect the pressure value of the spring, and the detection camera 6 is started at the same time to monitor the deformation state of the spring after being subjected to pressure through the protective mechanism, so that the elastic force test of the spring can be completed, achieving the goal of facilitating the buffering and protection of the spring when testing the elastic force of the disc spring, avoiding the problem that the spring is easily broken and damaged due to sudden force because the existing test device is difficult to buffer the pressure applied to the spring, and is used to solve the problems raised in the above-mentioned background technology.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spring force testing device for disc spring production, comprising a fixing box (1), characterized in that: The bottom surface of the fixed box (1) is fixedly connected to a support block (2); the inner wall of the fixed box (1) is fixedly connected to a base (3); the inner wall of the fixed box (1) is fixedly connected to a hydraulic push rod (4); the output end of the hydraulic push rod (4) is fixedly connected to a connecting plate (5); the inner wall of the fixed box (1) is fixedly connected to a detection camera (6); a pressure buffer mechanism is arranged inside the connecting plate (5); a limit position test assembly is arranged inside the base (3); a protective mechanism is arranged inside the fixed box (1); and a switch door assembly is arranged on the left side of the fixed box (1).

2. The elastic force testing device for disc spring production according to claim 1, characterized in that: The pressure buffer mechanism is composed of a limit shaft (7), a pressure ring (8) and a buffer spring (9); the limit shaft (7) is slidably connected to the inner wall of the connecting plate (5); the pressure ring (8) is fixedly connected to the bottom end of the limit shaft (7); the buffer spring (9) is fixedly connected to the top surface of the pressure ring (8); and the buffer spring (9) is fixedly connected to the bottom surface of the connecting plate (5).

3. The elastic force testing device for disc spring production according to claim 1, characterized in that: The limit test assembly is composed of a pressure sensor (10), a fixed plate (11) and a limit rod (12); the pressure sensor (10) is fixedly connected to the inner wall of the base (3); the fixed plate (11) is fixedly connected to the detection end of the pressure sensor (10), and the fixed plate (11) overlaps the inner wall of the base (3); and the limit rod (12) is fixedly connected to the top surface of the fixed plate (11).

4. The elastic force testing device for disc spring production according to claim 1, characterized in that: The protection mechanism consists of a protection frame (13) and a protection plate (14); the protection frame (13) is fixedly connected to the inner wall of the fixed box (1); and the protection plate (14) is fixedly connected to the surface of the protection frame (13).

5. The elastic force testing device for disc spring production according to claim 1, characterized in that: The door opening and closing assembly is composed of a hinge (15), a door frame (16), a visual panel (17) and a door lock (18); the hinge (15) is fixedly connected to the left side of the fixed box (1); the door frame (16) is hingedly mounted on the fixed box (1) through the hinge (15); the visual panel (17) is fixedly connected to the inner wall of the door frame (16); and the door lock (18) is fixedly connected to the inner wall of the door frame (16).

6. The elastic force testing device for disc spring production according to claim 1, characterized in that: The number of the detection cameras (6) is multiple, and the multiple detection cameras (6) are symmetrically arranged with the vertical center line of the front side of the fixed box (1) as the symmetry axis.

7. The elastic force testing device for disc spring production according to claim 4, characterized in that: The protective plate (14) is rectangular in shape and is made of a transparent acrylic material.

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