Bending test device for welding wire

Abstract

The utility model relates to the technical field of material testing, and discloses a bending testing device for a welding wire, which comprises a bottom box, the inner wall of the bottom box is fixedly connected with an air cylinder I, the driving end of the air cylinder I is fixedly connected with a movable plate I, the inner wall of the movable plate I is rotatably connected with two round head plates, and the two round head plates are fixedly connected with the bottom box. First rotating plates are rotatably connected to the sides, far away from each other, of the two round head plates, a third moving plate is fixedly connected to the left sides of the first rotating plates, a baffle is slidably connected to the exterior of the third moving plate, a fourth moving plate is fixedly connected to the left side of the third moving plate, and a connecting block is fixedly connected to the top of the fourth moving plate; according to the welding wire fixing device, the first moving plate moves through the first air cylinder, so that the two round head plates rotate, the first rotating plate drives the third moving plate to move, the connecting block drives the clamp on the bearing plate to move, and therefore welding wires are fixed.

Description

TECHNICAL FIELD

[0001] The utility model relates to material testing technical field especially relates to a kind of bending test device for welding wire. BACKGROUND

[0002] Welding wire bending test device is a kind of equipment for testing the toughness and ductility of welding wire in use process and its bending resistance, and this test can help to evaluate the quality of welding wire, ensure that welding wire can maintain good performance under proper temperature and stress in welding process.

[0003] Welding wire bending test device is composed of test fixture, bending device, force exertion system and test platform, test fixture is used to clamp welding wire, to ensure that the position of welding wire is fixed during testing, bending device is the core part of welding wire bending test, usually provides bending force through mechanical or hydraulic system, force exertion system is used to accurately control the bending force exerted on welding wire, to ensure that the exerted force meets the test standard and requirement, test platform is used to measure the angle or deformation degree of welding wire after bending, sometimes also equipped with strain gauge, displacement sensor and other equipment to record and monitor the bending performance of welding wire, welding wire has different lengths, and test fixture is fixed on the device, so the test fixture needs to be replaced, which affects the test time.

[0004] In the prior art, part of welding wire bending test device cannot clamp according to the length and condition of welding wire because test fixture is fixed on the test device, and test fixture needs to be replaced frequently, which increases the workload of operator, and the replacement of fixture increases the wear of fixture, therefore, a kind of bending test device for welding wire is proposed to solve the above problems. CONTENT OF UTILITY MODEL

[0005] In order to make up for the above shortcomings, the utility model provides a kind of bending test device for welding wire, to improve the problem that test fixture is fixed on the test device in prior art, and cannot clamp according to the length and condition of welding wire, and test fixture needs to be replaced frequently.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A kind of bending test device for welding wire, including bottom box, the inner wall of the bottom box is fixedly connected with cylinder one, the drive end of the cylinder one is fixedly connected with moving plate one, the inner wall of the moving plate one is rotatably connected with two round head plates, the far side of two the round head plates is rotatably connected with rotating plate one, the left side of the rotating plate one is fixedly connected with moving plate three, the outside of the moving plate three is slidably connected with baffle, the left side of the moving plate three is fixedly connected with moving plate four, the top of the moving plate four is fixedly connected with connecting block, the top of the bottom box is fixedly connected with work area, the top of the work area is fixedly connected with with and bending drive assembly;

[0008] As further description of the above technical solution:

[0009] The drive assembly includes protective cover, the bottom of the protective cover is fixedly connected at the top of the work area, the inner wall of the protective cover is fixedly connected with cylinder two, the drive end of the cylinder two is fixedly connected with moving block one;

[0010] As further description of the above technical solution:

[0011] The top of the connecting block is fixedly connected with bearing plate, the top of the bearing plate is fixedly connected with clamp, the outside of the clamp is slidably connected in the top inner wall of the bottom box;

[0012] As further description of the above technical solution:

[0013] The top of the bottom box is provided with slot one, the inner wall of the bottom box is fixedly connected with limit plate, the outside of the rotating plate one is slidably connected in the inner wall of the baffle;

[0014] As further description of the above technical solution:

[0015] The bottom of the cylinder one is fixedly connected with fixed block one, the front side of the moving plate one is provided with slot two, the top of the fixed block one is fixedly connected in the inner wall of the bottom box;

[0016] As further description of the above technical solution:

[0017] The outside of the moving block one is slidably connected with moving block two, the inner wall of the moving block two is slidably connected with moving rod one;

[0018] As further description of the above technical solution:

[0019] The outside of the moving rod one is fixedly connected with moving rod two, the bottom of the moving rod two is fixedly connected with connecting rod, the outside of the connecting rod is slidably connected in the inner wall of the cylinder two;

[0020] As further description of the above technical solution:

[0021] The bottom of the connecting rod is fixedly connected with an extrusion block, the bottom of the second cylinder is fixedly connected with a second fixed block, and the bottom of the second fixed block is fixedly connected to the inner wall of the protective cover.

[0022] The utility model has the advantages of the following:

[0023] 1、The utility model discloses a movable plate one is moved through the first cylinder, and two round head plates are rotated, and movable plate three is moved with the rotation of the first rotating plate, and the connecting block moves the clamp on the bearing plate, so that the welding wire is fixed, and the reliability of test result is guaranteed, and the welding wire is fixed, and displacement in the test process is avoided, so that the stability and repeatability of test are improved.

[0024] 2、The utility model discloses that movable block one is moved through the second cylinder, and movable block two is moved, and movable rod one is moved, and movable rod two is moved up and down, and the extrusion block is moved down, so that the welding wire is extruded, and the toughness and strength of the welding wire are detected, so that the reliability and durability in practical application are guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a kind of welding wire and is bent and is tested device's three-dimensional schematic view proposed to the utility model;

[0026] Figure 2 It is the structure schematic view of the bottom box inside of a kind of welding wire and is bent and is tested device proposed to the utility model;

[0027] Figure 3 It is the structure schematic view of the baffle of a kind of welding wire and is bent and is tested device proposed to the utility model;

[0028] Figure 4 It is the structure schematic view of movable block two of a kind of welding wire and is bent and is tested device proposed to the utility model.

[0029] LEGEND:

[0030] 1, bottom box;2, first cylinder;3, movable plate one;4, round head plate;5, first rotating plate;6, baffle;7, movable plate three;8, movable plate four;9, work area;10, protective cover;11, second cylinder;12, movable block one;13, movable block two;14, movable rod one;15, movable rod two;16, connecting rod;17, extrusion block;18, connecting block;19, limit plate;20, bearing plate;21, clamp. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0032] With reference to Figure 2 and Figure 3 An embodiment provided by the utility model: a kind of bending test device for welding wire, including bottom box 1, bottom box 1 is the basic structure of entire device, provide the position of supporting and fixing other components. It is usually made of strong material, such as metal alloy, to ensure that it is not easy to deform during testing, the inner wall of bottom box 1 is fixedly connected with cylinder one 2, cylinder one 2 is the drive assembly of clamping part, responsible for providing power for moving plate one 3, the drive end of cylinder one 2 is fixedly connected with moving plate one 3, moving plate one 3 is moved along a certain trajectory by the drive of cylinder, the inner wall of moving plate one 3 is rotatably connected with two round head plates 4, and the round head plate 4 is received moving plate one 3 force, to rotate, to drive rotating plate one 5 to move, the far side of two round head plates 4 is rotatably connected with rotating plate one 5, and rotating plate one 5 is received round head plate 4 force, drive moving plate three 7 to move, the left side of rotating plate one 5 is fixedly connected with moving plate three 7, and moving plate three 7 is another moving component of device, responsible for the drive of rotating plate one 5, the outer portion of moving plate three 7 is slidably connected with baffle 6, and baffle 6 limits the moving distance of moving plate four 8, the left side of moving plate three 7 is fixedly connected with moving plate four 8, and moving plate four 8 is received moving plate three 7 force, to move, the top of moving plate four 8 is fixedly connected with connecting block 18, and connecting block 18 moves with moving plate four 8, to move the components above, the top of bottom box 1 is fixedly connected with work area 9, and work area 9 is the core area of device for welding wire bending test. Welding wire will be extruded and bent in this area to evaluate its performance, and the top of work area 9 is fixedly connected with the drive assembly for bending.

[0033] With reference to Figure 2 and Figure 4 Drive assembly includes protective cover 10, and protective cover 10 is an important housing component, which functions to ensure the safety of other critical components in the drive system, preventing damage to these components by external objects or environment, the bottom of protective cover 10 is fixedly connected to the top of work area 9, the inner wall of protective cover 10 is fixedly connected with cylinder two 11, and cylinder two 11 is one of the core components of drive system, responsible for converting the energy of compressed air into mechanical motion, the drive end of cylinder two 11 is fixedly connected with moving block one 12, and moving block one 12 is the component that performs specific actions after being driven by cylinder.

[0034] With reference to Figures 1 to 3 , the top of the connecting block 18 is fixedly connected with the bearing plate 20, the bearing plate 20 is bearing the clamp 21 above, the top of the bearing plate 20 is fixedly connected with the clamp 21, the clamp 21 is fixed or clamped its welding wire component, prevent them from displacement or loose, the outside of the clamp 21 is slidingly connected in the top inner wall of the bottom box 1, the top of the bottom box 1 is provided with the notch one, the notch one is allowed to connect the block 18 can move in the slot, the inner wall of the bottom box 1 is fixedly connected with the limiting plate 19, the limiting plate 19 is to limit the sliding range of the moving plate four 8, make its moving range, can move on the rotating plate one 5, the outside of the rotating plate one 5 is slidingly connected in the inner wall of the baffle 6, the bottom of the cylinder one 2 is fixedly connected with the fixed block one, the fixed block one is used for firmly fixing the cylinder one 2 on the inner wall of the bottom box 1, the front side of the moving plate one 3 is provided with the notch two, the top of the fixed block one is fixedly connected in the inner wall of the bottom box 1, the outside of the moving block one 12 is slidingly connected with the moving block two 13, the moving block two 13 is to make its inside moving rod one 14 move, the inner wall of the moving block two 13 is slidingly connected with the moving rod one 14, the moving rod one 14 is slidingly connected in the inner wall of the moving block two 13, can move along a certain path according to the action of external force, the outside of the moving rod one 14 is fixedly connected with the moving rod two 15, the moving rod two 15 is connected in the component outside the moving rod one 14, it bears the function of transmitting force or changing the direction of motion, the bottom of the moving rod two 15 is fixedly connected with the connecting rod 16, the connecting rod 16 is connected with the moving rod two 15 and the cylinder two 11, ensures the motion synchronization between the two, the outside of the connecting rod 16 is slidingly connected in the inner wall of the cylinder two 11, the bottom of the connecting rod 16 is fixedly connected with the extrusion block 17, the extrusion block 17 is an important executive component, bears the function of directly extruding or clamping action, the bottom of the cylinder two 11 is fixedly connected with the fixed block two, the fixed block two is fixed with the cylinder two 11 on the structure, ensures the stability of the cylinder and the accuracy of the motion trajectory, the bottom of the fixed block two is fixedly connected in the inner wall of the protective cover 10.

[0035] Working principle: when the bending test device needs to fix the welding wire, first, start the cylinder one 2, drive the moving plate one 3 to move with the cylinder one 2, the movement of the moving plate one 3 makes the two round head plates 4 rotate, the rotation of the round head plate 4 makes the rotating plate one 5 move, thereby driving the moving plate three 7 to move, the movement of the moving plate three 7 makes the clamp 21 on the top of the bearing plate 20, the moving plate three 7 moves, the baffle 6 and the limiting plate 19 limit the moving plate three 7, when the welding wire is short, the baffle 6 can be moved, the baffle 6 can move outside the rotating plate one 5, realize the fixation of the welding wire, in addition to ensure the reliability of the test result, the fixed welding wire also avoids the displacement in the test process, thereby improving the stability and repeatability of the test.

[0036] When the welding wire of the bending test device is subjected to the bending test, first, the cylinder two 11 is started, the cylinder two 11 drives the moving block one 12 to move, so that the moving block two 13 moves, the moving of the moving block two 13 drives the moving rod one 14 to move up and down under the moving of the moving block two 13, so that the moving rod two 15 moves up and down, the connecting rod 16 drives the extrusion fast to move, so that the extrusion of the welding wire is realized, and in addition, the toughness and strength of the welding wire are detected, so that the reliability and durability in the actual application are ensured.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A bending test device for welding wire comprising a base box (1), characterized in that: The inner wall of the bottom box (1) is fixedly connected with a cylinder one (2), the driving end of the cylinder one (2) is fixedly connected with a moving plate one (3), the inner wall of the moving plate one (3) is rotatably connected with two round head plates (4), the far side of the two round head plates (4) is rotatably connected with a rotating plate one (5), the left side of the rotating plate one (5) is fixedly connected with a moving plate three (7), the outer portion of the moving plate three (7) is slidably connected with a baffle (6), the left side of the moving plate three (7) is fixedly connected with a moving plate four (8), the top of the moving plate four (8) is fixedly connected with a connecting block (18), the top of the bottom box (1) is fixedly connected with a work area (9), and the top of the work area (9) is fixedly connected with a driving assembly for bending.

2. A bend testing device for welding wire as defined in claim 1, wherein: The driving assembly comprises a protective cover (10), the bottom of the protective cover (10) is fixedly connected to the top of the work area (9), and the inner wall of the protective cover (10) is fixedly connected with a cylinder two (11).

3. A bend testing device for welding wire as defined in claim 1, wherein: The top of the connecting block (18) is fixedly connected with a bearing plate (20), the top of the bearing plate (20) is fixedly connected with a clamp (21), and the outer portion of the clamp (21) is slidably connected to the inner wall of the top of the bottom box (1).

4. A bend testing device for welding wire as defined in claim 1, wherein: The top of the bottom box (1) is provided with a slot one, the inner wall of the bottom box (1) is fixedly connected with a limiting plate (19), and the outer portion of the rotating plate one (5) is slidably connected to the inner wall of the baffle (6).

5. A bend testing device for welding wire as defined in claim 1, wherein: The bottom of the cylinder one (2) is fixedly connected with a fixed block one, the front side of the moving plate one (3) is provided with a slot two, and the top of the fixed block one is fixedly connected to the inner wall of the bottom box (1).

6. A bend testing device for welding wire as defined in claim 2, wherein: The outer portion of the moving block one (12) is slidably connected with a moving block two (13), and the inner wall of the moving block two (13) is slidably connected with a moving rod one (14).

7. A bend testing device for welding wire as defined in claim 6, wherein: The outer portion of the moving rod one (14) is fixedly connected with a moving rod two (15), the bottom of the moving rod two (15) is fixedly connected with a connecting rod (16), and the outer portion of the connecting rod (16) is slidably connected to the inner wall of the cylinder two (11).

8. A bend testing device for welding wire as defined in claim 7, wherein: The bottom of the connecting rod (16) is fixedly connected with an extrusion block (17), the bottom of the cylinder two (11) is fixedly connected with a fixed block two, and the bottom of the fixed block two is fixedly connected to the inner wall of the protective cover (10).

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