A test device for detecting hardness of a metal material

Abstract

The utility model discloses a kind of test devices for metal material hardness detection, it is related to hardness detection device technical field, for the problem of inconveniently fixing different specifications of metal material in prior art, present and propose the following scheme, including base, the top of base is provided with support block, and the both sides of support block are provided with fixed frame fixed in the top of base, the both sides inner wall of fixed frame is uniformly provided with fastening mechanism, and the top inner wall of fixed frame is fixed with detection mechanism, and the fastening mechanism includes fixed shell.The utility model places metal material on the top of support block, respectively rotates the handle screw rod of both sides, makes the fastening mechanism of both sides to the metal material on the top of support block close, and makes fixed shell and metal material abut, rotates two-way screw rod, drives the two clamping blocks of screwing to each other close, makes two clamping blocks and metal material abut, completes the fastening of the outer wall of metal material around.

Description

Technical Field

[0001] This utility model relates to the technical field of hardness testing devices, and in particular to a testing device for testing the hardness of metallic materials. Background Technology

[0002] Currently, the definition of metallic material hardness is: the ability of a material to resist indentation by another harder material. The main purpose of hardness testing is to determine the suitability of a material, or the effect of special hardening or softening treatments performed on the material for its intended use. Static testing methods include Brinell, Rockwell, Vickers, Knoop, Webster, and Barcol, among which Brinell, Rockwell, and Vickers are the most commonly used and are the main testing methods for metallic hardness. Currently, with the vigorous development of infrastructure in my country, various high-strength materials are widely used in various projects. As a crucial indicator for evaluating material performance, the hardness of metallic materials needs to be tested using testing equipment.

[0003] However, existing testing equipment is not convenient for fixing metal materials of different specifications, which makes it inconvenient to test the hardness of metal materials of different specifications, greatly reducing the applicable scope of the testing equipment. Utility Model Content

[0004] In view of the shortcomings of the prior art, this utility model provides a test device for testing the hardness of metal materials, which overcomes the shortcomings of the prior art and effectively solves the problem that it is inconvenient to fix metal materials of different specifications in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A testing device for testing the hardness of metallic materials includes a base, a support block on the top of the base, and a fixing frame fixed to the top of the base on both sides of the support block. Fastening mechanisms are provided on the inner walls of both sides of the fixing frame, and a testing mechanism is fixedly installed on the inner wall of the top of the fixing frame. The fastening mechanism includes a fixed shell, a double-ended screw rod rotatably connected to the inner walls of both ends of the fixed shell, clamping blocks screwed to both ends of the double-ended screw rod, a handle screw rod rotatably connected to the back of the fixed shell, and sliding rods welded and fixed to both sides of the back of the fixed shell. The testing mechanism includes a hydraulic cylinder, a mounting block fixed to the bottom of the hydraulic cylinder, a pressure block fixed to the bottom of the mounting block, connecting blocks symmetrically welded and fixed to one side of the annular outer wall of the mounting block, and a probe rotatably connected between the two connecting blocks.

[0007] By placing the metal material on top of the support block, rotating the handle screws on both sides causes them to move spirally within the threaded holes. This, combined with the sliding rod sliding along the holes, brings the fastening mechanisms on both sides closer to the metal material on top of the support block, causing the fixing shell to contact the metal material. Rotating the double-acting screw causes the two screwed clamps to move closer together, contacting the metal material and securing the outer walls of the metal material. This ensures the metal material is placed and fixed. The downward extension of the hydraulic cylinder causes the pressure block to create an indentation on the top of the metal material. The probe magnifies and detects the indentation, determining the hardness value of the metal material, which is then transmitted to the controller for display.

[0008] Preferably, the top of the base has rectangularly distributed insertion holes, and the bottom four corners of the support block are all welded and fixed with insertion rods that form an insertion fit with the insertion holes.

[0009] The support block is fixed to the top of the base by inserting the plug along the socket, which also makes it easy to disassemble and replace the support block.

[0010] Preferably, threaded holes are provided at the bottom of both outer walls of the fixing frame, and sliding holes are provided on both sides of the threaded holes on the outer wall of the fixing frame.

[0011] The fastening mechanisms on both sides are installed and connected through the threaded holes and sliding holes on both sides of the fixing bracket.

[0012] Preferably, the handle screw and the threaded hole form a threaded engagement, and the sliding hole and the sliding rod form a sliding engagement.

[0013] Rotating the handle screw causes it to move spirally within the threaded hole, allowing the sliding rod to slide along the hole and adjust the distance between the support blocks of the fastening mechanism on both sides.

[0014] Preferably, the bottom structure of the pressure block is prismatic, and a fastening knob is connected to one side of the outer wall of one of the connecting blocks, and the probe and the two connecting blocks are fastened together by the fastening knob.

[0015] By extending the hydraulic cylinder downwards, the pressure block can be driven to create an indentation on the top of the metal material. With the help of a probe to magnify and detect the indentation, the hardness of the metal material can be determined.

[0016] Preferably, a controller is fixedly mounted on one outer wall of the fixing frame, and both the hydraulic cylinder and the probe are electrically connected to the controller.

[0017] The controller operates the hydraulic cylinder and probe, and the values ​​detected by the probe are transmitted to the controller for display.

[0018] The beneficial effects of this utility model are as follows:

[0019] By placing the metal material on top of the support block and rotating the handle screws on both sides, the fastening mechanisms on both sides move closer to the metal material on top of the support block, and the fixing shell abuts against the metal material. Rotating the double-acting screw drives the two screwed clamps to move closer to each other, so that the two clamps abut against the metal material, thus completing the fastening of the outer wall of the metal material. This effectively solves the problem of inconvenience in fixing metal materials of different specifications in the existing technology. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a test device for testing the hardness of metallic materials proposed in this utility model;

[0021] Figure 2 This is a schematic diagram of the fastening mechanism of a test device for testing the hardness of metallic materials proposed in this utility model;

[0022] Figure 3 This is a schematic diagram of the testing mechanism of a test device for testing the hardness of metallic materials proposed in this utility model.

[0023] In the diagram: 1. Base; 2. Support block; 3. Fixing frame; 4. Fastening mechanism; 5. Detection mechanism; 6. Fixing shell; 7. Two-way lead screw; 8. Clamping block; 9. Handle screw; 10. Slide rod; 11. Hydraulic cylinder; 12. Mounting block; 13. Pressure block; 14. Connecting block; 15. Probe; 16. Fastening knob; 17. Controller. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] Example:

[0026] Reference Figure 1-3A testing device for testing the hardness of metallic materials includes a base 1, a support block 2 on the top of the base 1, and a fixing frame 3 fixed to the top of the base 1 on both sides of the support block 2. Fastening mechanisms 4 are provided on the inner walls of both sides of the fixing frame 3. A testing mechanism 5 is installed and fixed on the inner wall of the top of the fixing frame 3. The fastening mechanism 4 includes a fixing shell 6, a bidirectional screw 7 rotatably connected to the inner walls of both ends of the fixing shell 6, clamping blocks 8 respectively screwed to both ends of the bidirectional screw 7, a handle screw 9 rotatably connected to the back of the fixing shell 6, and sliding rods 10 welded and fixed to both sides of the back of the fixing shell 6. The testing mechanism 5 includes a hydraulic cylinder 11, a mounting block 12 fixed to the bottom of the hydraulic cylinder 11, a pressure block 13 fixed to the bottom of the mounting block 12, connecting blocks 14 symmetrically welded and fixed to one side of the annular outer wall of the mounting block 12, and a probe 15 rotatably connected between the two connecting blocks 14.

[0027] The top of the base 1 has rectangularly distributed insertion holes. The bottom four corners of the support block 2 are welded with insertion rods that fit into the insertion holes. By inserting the insertion rods along the insertion holes, the support block 2 is fixed to the top of the base 1, which also facilitates the disassembly and replacement of the support block 2. The bottom of the outer walls on both sides of the fixing frame 3 has threaded holes. On both sides of the threaded holes, there are sliding holes on the outer walls of the fixing frame 3. The fastening mechanisms 4 on both sides are installed and connected through the threaded holes and sliding holes on both sides of the fixing frame 3. The handle screw 9 is threaded into the threaded hole, and the sliding hole is sliding into the sliding rod 10. By rotating the handle screw 9, the handle screw 9 moves spirally in the threaded hole, and the sliding rod 10 slides along the sliding hole, which can adjust the distance between the support blocks 2 of the fastening mechanisms 4 on both sides.

[0028] The bottom structure of the pressure block 13 is prismatic. One of the connecting blocks 14 has a fastening knob 16 connected to one side of its outer wall. The probe 15 and the two connecting blocks 14 are fastened together by the fastening knob 16. By extending the hydraulic cylinder 11 downward, the pressure block 13 can create an indentation on the top of the metal material. The probe 15 magnifies and detects the indentation to determine the hardness of the metal material. A controller 17 is installed and fixed on one side of the outer wall of the fixing frame 3. The hydraulic cylinder 11 and the probe 15 are electrically connected to the controller 17. The controller 17 controls the hydraulic cylinder 11 and the probe 15. The values ​​detected by the probe 15 are transmitted to the controller 17 for display.

[0029] Working principle:

[0030] During operation, by placing the metal material on top of the support block 2, the handle screws 9 on both sides are rotated to make the handle screws 9 move spirally in the threaded holes. In conjunction with the slide rod 10 sliding along the slide hole, the fastening mechanisms 4 on both sides move closer to the metal material on top of the support block 2, and the fixing shell 6 abuts against the metal material. Rotating the double-acting screw 7 drives the two screwed clamps 8 to move closer to each other, so that the two clamps 8 abut against the metal material, completing the fastening of the outer walls of the metal material and ensuring the placement and fixation of the metal material. By extending the hydraulic cylinder 11 downward, the pressure block 13 can be driven to create an indentation on the top of the metal material. With the help of the probe 15 to magnify and detect the indentation, the hardness value of the metal material is obtained and transmitted to the controller 17 for display.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A testing device for testing the hardness of metallic materials, comprising a base (1), characterized in that, The base (1) has a support block (2) on its top, and the support block (2) has a fixing frame (3) fixed to the top of the base (1) on both sides. The inner walls of both sides of the fixing frame (3) are provided with fastening mechanisms (4), and the inner wall of the top of the fixing frame (3) is fixed with a detection mechanism (5). The fastening mechanism (4) includes a fixing shell (6), a bidirectional screw (7) rotatably connected to the inner walls of both ends of the fixing shell (6), and clamping blocks (8) screwed to both ends of the wall of the bidirectional screw (7). The detection mechanism (5) includes a hydraulic cylinder (11), an mounting block (12) fixed to the bottom of the hydraulic cylinder (11), a pressure block (13) fixed to the bottom of the mounting block (12), a connecting block (14) symmetrically welded to one side of the annular outer wall of the mounting block (12), and a probe (15) rotatably connected between the two connecting blocks (14).

2. The testing device for testing the hardness of metallic materials according to claim 1, characterized in that, The base (1) has rectangularly distributed insertion holes on its top, and the bottom four corners of the support block (2) are welded with insertion rods that are connected to the insertion holes.

3. The testing device for testing the hardness of metallic materials according to claim 1, characterized in that, The bottom of the outer walls on both sides of the fixing frame (3) is provided with threaded holes, and sliding holes are provided on both sides of the threaded holes on the outer walls of the fixing frame (3).

4. The testing device for testing the hardness of metallic materials according to claim 3, characterized in that, The handle screw (9) is threaded into the threaded hole, and the sliding hole is sliding into the sliding rod (10).

5. The testing device for testing the hardness of metallic materials according to claim 1, characterized in that, The bottom structure of the pressure block (13) is prismatic, and a fastening knob (16) is connected to one side of the outer wall of one of the connecting blocks (14). The probe (15) and the two connecting blocks (14) are fastened together by the fastening knob (16).

6. The testing device for testing the hardness of metallic materials according to claim 1, characterized in that, A controller (17) is installed and fixed on one side of the outer wall of the fixed frame (3), and the hydraulic cylinder (11) and the probe (15) are both electrically connected to the controller (17).

Images