Fracture testing machine

Abstract

The utility model discloses a fracture testing machine which comprises a machine frame and a working table arranged on the machine frame, a support is arranged on the machine frame, an air cylinder is downwards arranged on the support, a weighing sensor is connected below a piston rod of the air cylinder, and a pressing block is arranged below the weighing sensor. The fracture testing machine provided by the utility model is simple in structure, low in manufacturing cost and easy to operate and maintain on the basis of ensuring that a fracture test can be effectively carried out on a workpiece.

Description

Technical Field

[0001] This utility model relates to the field of mechanical testing equipment technology, and in particular to a fracture testing machine. Background Technology

[0002] Fracture testing machines are essential equipment for testing the mechanical properties of materials and are widely used in the metal processing industry. They can test the stress on workpieces under long-term cyclic loading. Existing fracture testing machines have complex structures and high manufacturing and maintenance costs. In view of these technical problems, this application proposes a fracture testing machine with a simpler structure, which reduces manufacturing costs and facilitates operation and maintenance. Utility Model Content

[0003] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a fracture testing machine, which aims to solve the technical problems of complex structure, high manufacturing cost and maintenance cost of the fracture testing machine in the prior art.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A fracture testing machine includes a frame and a worktable mounted on the frame. A support is mounted on the frame, and a cylinder is mounted downwards on the support. A load cell is connected to the piston rod of the cylinder, and a pressure block is mounted below the load cell.

[0006] Furthermore, in the fracture testing machine, a mounting base is provided on the support, and the mounting base is provided with a mounting groove; the cylinder is disposed in the mounting groove, and the piston rod of the cylinder passes downward through the mounting groove.

[0007] Furthermore, in the fracture testing machine, the mounting base is provided with two guide holes, and a guide post is provided in each guide hole; a connecting block is provided at the bottom end of the piston rod of the cylinder; the two guide posts are respectively connected to the connecting block.

[0008] Furthermore, in the fracture testing machine, an upper support is threadedly connected to the upper part of the load cell, and a lower support is threadedly connected to the lower part of the load cell; the upper support is connected to the connecting block, and the lower support is connected to the pressure block.

[0009] Furthermore, in the fracture testing machine, the connecting block includes a detachably connected upper connecting block and a lower connecting block.

[0010] Furthermore, in the fracture testing machine, several support blocks are provided on the worktable.

[0011] Beneficial Effects: This utility model provides a fracture testing machine. Compared with existing technologies, it mainly includes components such as a frame, support, cylinder, weighing sensor, pressure block, and worktable. It can perform fracture tests on workpieces and has a simple structure, low manufacturing cost, and is easy to operate and maintain. Furthermore, by setting up a mounting base and guide pillars, it facilitates the installation of the cylinder and ensures that the cylinder piston rod stably drives the pressure block, thereby further improving the accuracy of the fracture test. Attached Figure Description

[0012] Figure 1 A perspective view of the fracture testing machine provided by this utility model.

[0013] Figure 2 The front view of the fracture testing machine provided by this utility model.

[0014] Figure 3 for Figure 1 A magnified view of a portion of region S1.

[0015] Figure 4 for Figure 2 A magnified view of a portion of region S2.

[0016] Figure 5 This is a 3D view of the mounting base.

[0017] Numbering on the map:

[0018] 11. Frame; 12. Workbench; 13. Support block;

[0019] 2. Support frame; 21. Crossbar of the support frame; 22. Upright column of the support frame;

[0020] 3. Cylinder; 31. Piston rod of cylinder;

[0021] 4. Mounting base; 401. Mounting slot; 402. Guide hole; 42. Guide post;

[0022] 5. Connecting block; 51. Upper connecting block; 52. Lower connecting block;

[0023] 61. Upper support; 611. Stud of upper support; 62. Lower support; 621. Stud of lower support;

[0024] 7. Weighing sensor;

[0025] 8. Pressing blocks. Detailed Implementation

[0026] This utility model provides a fracture testing machine. To make the purpose, technical solution, and effects of this utility model clearer and more explicit, the following provides a more detailed description of this utility model. It should be understood that the specific embodiments described herein are only for explaining this utility model and are not intended to limit this utility model.

[0027] Please see Figures 1 to 5 This utility model provides a fracture testing machine. The accompanying drawings are for illustrative purposes only and are not proportional to actual products. The drawings only show structures relevant to the invention; some conventional structures are not specifically depicted. To facilitate observation of the internal structure, Figure 1 and Figure 2 The protective casing outside the frame is not shown.

[0028] The terms "first," "second," etc., used herein are merely different names for similar structures for ease of explanation and are not intended to limit this application. The term "several" herein refers to an indeterminate number (more than one), as the quantity of structures referred to is not an inventive point and therefore is not specifically limited.

[0029] A fracture testing machine includes a frame 11 and a worktable 12 mounted on the frame. A support 2 is mounted on the frame, and a cylinder 3 is mounted downwards on the support. A load cell 7 is connected to the piston rod 31 of the cylinder, and a pressure block 8 is mounted below the load cell. The support includes two uprights and a crossbar.

[0030] Furthermore, the bracket is provided with a mounting seat 4, and the mounting seat is provided with a mounting groove 401; the cylinder is placed in the mounting groove, and the piston rod of the cylinder passes downward through the mounting groove. The mounting seat is placed on the crossbar of the bracket. By providing a mounting groove, it is not only convenient to install the cylinder, but also to ensure the stability of the cylinder.

[0031] Furthermore, the mounting base is provided with two guide holes 402, each containing a guide post 42; a connecting block 5 is provided at the bottom end of the piston rod of the cylinder; the two guide posts are respectively connected to the connecting blocks. By setting the guide posts and guide holes, the piston rod of the cylinder is made more stable each time it moves, that is, the position and force of the pressure block pressing down on the workpiece are consistent, thereby further improving the testing accuracy.

[0032] Furthermore, an upper support 61 is threadedly connected to the top of the load cell, and a lower support 62 is threadedly connected to the bottom of the load cell; the upper support is connected to the connecting block, and the lower support is connected to the pressure block. Specifically, a stud 611 is provided at the bottom of the upper support, and a stud 621 is also provided at the top of the lower support, with the load cell correspondingly having a threaded hole. Since the load cell is threadedly connected to both the connecting block and the pressure block, it facilitates the installation of the load cell and the adjustment of the height of the pressure block, thus allowing it to be used to apply pressure to different workpieces.

[0033] Preferably, the connecting block 5 includes an upper connecting block 51 and a lower connecting block 52 that are detachably connected. The upper connecting block is connected to the piston rod of the cylinder and the two guide rods; the lower connecting block is connected to the upper support. Since the connecting block includes an upper connecting block and a lower connecting block, it is easier to assemble and disassemble the connecting block and related components.

[0034] Furthermore, the worktable 12 is provided with several support blocks 13. In actual use, the support blocks can be used to support the workpiece or to support the fixture (not shown in the figure). The workpiece is then placed in the fixture. The fixture is not within the scope of protection of this application and is not specifically limited here.

[0035] In actual use, the workpiece is placed on the worktable, and the cylinder drives the pressure block to reciprocate vertically, applying pressure to the workpiece several times. If the workpiece does not break or fail, it indicates that the workpiece quality is qualified. If the workpiece breaks or fails (at this time, the pressure detected by the weighing sensor is zero or significantly less than the normal value), it indicates that the workpiece quality is unqualified.

[0036] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of this utility model, and all such substitutions or changes should fall within the protection scope of this utility model.

Claims

1. A fracture testing machine, comprising a frame and a worktable mounted on the frame, characterized in that: A support is mounted on the frame, and a cylinder is mounted downwards on the support. A load cell is connected to the piston rod of the cylinder, and a pressure block is mounted below the load cell.

2. The fracture testing machine according to claim 1, characterized in that: The bracket is provided with a mounting seat, and the mounting seat is provided with a mounting groove; the cylinder is disposed in the mounting groove, and the piston rod of the cylinder passes downward through the mounting groove.

3. The fracture testing machine according to claim 2, characterized in that: The mounting base has two guide holes, each with a guide post; a connecting block is provided at the bottom of the piston rod of the cylinder; the two guide posts are connected to the connecting block respectively.

4. The fracture testing machine according to claim 3, characterized in that: The upper support is threadedly connected to the top of the load cell, and the lower support is threadedly connected to the bottom of the load cell; the upper support is connected to the connecting block, and the lower support is connected to the pressure block.

5. The fracture testing machine according to claim 4, characterized in that: The connecting block includes a detachably connected upper connecting block and a lower connecting block.

6. The fracture testing machine according to claim 1, characterized in that: Several support blocks are set on the workbench.

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