Hardness machine for detecting hardness of casting material

Abstract

The utility model discloses a hardness machine for detecting the hardness of a casting material, which relates to the technical field of hardness detection of the casting material, and comprises a hardness machine body, the surface of the hardness machine body is fixedly connected with an experiment table, and the surface of the experiment table is fixedly connected with a detection platform. Two platforms are fixedly connected to the surface of the hardness machine body and located on the two sides of the detection platform correspondingly, first sliding grooves are formed in the surfaces of the platforms, C-shaped rods are slidably connected to the inner walls of the first sliding grooves, placing grooves are formed in the C-shaped rods, and first connecting shafts are rotationally connected to the interiors of the placing grooves. According to the device, the detection platform can better fix a cylinder casting material, and the cylinder casting is effectively prevented from rotating or rolling in the detection process, so that a more accurate hardness measurement result is provided, and the accuracy of casting quality evaluation is improved through the improvement.

Description

Technical Field

[0001] The utility model relates to the technical field of casting material hardness detection, in particular to a hardness machine for detecting the hardness of casting materials. Background Art

[0002] In the current industrial testing field, hardness testers are widely used to evaluate and ensure the mechanical properties of casting materials.

[0003] However, most existing hardness testers are designed to detect the hardness of flat or nearly flat surfaces. For castings with special geometric shapes, such as the curved side of a cylindrical casting, these traditional methods are not accurate and efficient enough. The detection platform of the existing hardness tester is flat, and the side of the cylindrical casting is curved, so it is not convenient to place and fix the cylindrical casting on its side, and it is prone to rolling and sliding, resulting in inaccurate test results.

[0004] In view of these problems, it is necessary to design a hardness machine for testing the hardness of casting materials to solve the above technical problems. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art and to provide a hardness tester for testing the hardness of casting materials, which can solve the problems of the background technology.

[0006] To achieve the above-mentioned object, the utility model provides the following technical solution: a hardness tester for testing the hardness of casting materials, comprising a hardness tester body, a laboratory table fixedly connected to the surface of the hardness tester body, a testing platform fixedly connected to the surface of the laboratory table, two platforms fixedly connected to the surface of the hardness tester body, the two platforms being respectively located on both sides of the testing platform, a No. 1 sliding groove being provided on the surface of the platform, a C-shaped rod being slidably connected to the inner wall of the No. 1 sliding groove, a placement groove being provided inside the C-shaped rod, a No. 1 connecting shaft being rotatably connected to the interior of the placement groove, a housing being rotatably connected to the surface of the No. 1 connecting shaft, a No. 1 gear being rotatably connected to the surface of the No. 1 connecting shaft, a placement plate being fixedly connected to one end of the No. 1 connecting shaft, the placement plate being in a large-character shape, a No. 2 sliding groove being provided inside the placement plate, a T-shaped sliding block being slidably connected to the inner wall of the No. 2 sliding groove, the transverse portion of the T-shaped sliding block being arc-shaped, a curved baffle being fixedly connected to the surface of the T-shaped sliding block, a connecting column being fixedly connected to the surface of the T-shaped sliding block, a circumferentially equidistant array of arc-shaped sliding grooves being provided on the surface of the No. 1 gear, the arc-shaped sliding grooves being inclined, and the arc-shaped sliding grooves being slidably connected to the connecting column.

[0007] Preferably, both ends of the C-shaped rod are fixedly connected with circular baffles, and the circular baffles are slidably connected to the No. 1 sliding groove.

[0008] Preferably, a No. 2 connecting shaft is threadedly connected to the surface of the placement plate, a No. 2 connecting shaft is fixedly connected to the surface of the No. 2 connecting shaft, and the No. 2 gear is meshed with the No. 1 gear.

[0009] Preferably, the inner wall of the placement groove is rotatably connected to a worm, one end of the No. 1 connecting shaft is fixedly connected to a worm wheel, and the worm wheel is meshingly connected to the worm.

[0010] Preferably, one end of the worm is fixedly connected to a No. 1 knob, and one end of the No. 2 connecting shaft is fixedly connected to a No. 2 knob.

[0011] Preferably, one end of the connecting column is fixedly connected with a nut.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] (1) The hardness tester for the casting material hardness enables the testing platform to better fix the cylindrical casting material, effectively preventing the cylindrical casting from rotating or rolling during the testing process, thereby providing more accurate hardness measurement results. This improvement improves the accuracy of casting quality assessment.

[0014] (2) The hardness tester for casting material hardness can realize multi-point detection on the side of the casting by rotating the No. 1 knob, eliminating the need for repeated disassembly and assembly of castings, reducing the frequent adjustment and positioning steps in traditional hardness testing, greatly simplifying the operation process, improving the detection efficiency, and reducing the labor intensity of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0016] Figure 1 This is a structural diagram of the hardness tester body of the utility model;

[0017] Figure 2 for Figure 1 An enlarged schematic diagram of point A is shown;

[0018] Figure 3 This is a schematic diagram of the interior of the No. 1 sliding slot of the utility model;

[0019] Figure 4 This is a schematic diagram of the interior of the C-shaped rod of the present invention;

[0020] Figure 5 This is a structural diagram of the placement plate of the utility model;

[0021] Figure 6 This is a schematic structural diagram of the No. 1 gear of the present invention.

[0022] Figure numerals: 1. Hardness tester body; 2. Laboratory table; 3. C-shaped rod; 4. Platform; 5. Sliding groove No. 1; 6. Testing platform; 7. Gear No. 1; 8. Worm; 9. Knob No. 1; 10. Knob No. 2; 11. Connecting shaft No. 1; 12. Housing; 13. Circular baffle; 14. Placement groove; 15. Worm gear; 16. Arc-shaped sliding groove; 17. Connecting shaft No. 2; 18. Gear No. 2; 19. Placement plate; 20. T-shaped sliding block; 21. Sliding groove No. 2; 22. Connecting column; 23. Nut; 24. Arc-shaped baffle. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0024] See also Figure 1-6 The utility model provides a technical solution: a hardness machine for testing the hardness of casting materials, comprising a hardness machine body 1, a laboratory table 2 fixedly connected to the surface of the hardness machine body 1, a testing platform 6 fixedly connected to the surface of the testing platform 2, two platforms 4 fixedly connected to the surface of the hardness machine body 1, the two platforms 4 are respectively on both sides of the testing platform 6, a No. 1 sliding groove 5 is provided on the surface of the platform 4, a C-shaped rod 3 is slidably connected to the inner wall of the No. 1 sliding groove 5, both ends of the C-shaped rod 3 are fixedly connected to a circular blocking piece 13, the circular blocking piece 13 is slidably connected to the No. 1 sliding groove 5 to prevent the C-shaped rod 3 from escaping from the No. 1 sliding groove 5;

[0025] A placement slot 14 is provided inside the C-shaped rod 3, and a worm 8 is rotatably connected to the inner wall of the placement slot 14, and one end of the worm 8 is fixedly connected to a number one knob 9, and the interior of the placement slot 14 is rotatably connected to a number one connecting shaft 11, and the surface of the number one connecting shaft 11 is rotatably connected to a housing 12, and one end of the number one connecting shaft 11 is fixedly connected to a worm gear 15, which is meshed with the worm 8, and the surface of the number one connecting shaft 11 is rotatably connected to a number one gear 7, and the end of the number one connecting shaft 11 away from the worm gear 15 is fixedly connected to a placement plate 19, and the placement plate 19 is in a large character shape, and the surface of the placement plate 19 is threadedly connected to a number two connecting shaft 17, and the end of the number two connecting shaft 17 away from the placement plate 19 is fixedly connected to the number two knob 10, and the surface of the number two connecting shaft 17 is fixedly connected to a number two gear 18, which is meshed with the number one gear 7;

[0026] A No. 2 sliding groove 21 is provided inside the placement plate 19, and a T-shaped sliding block 20 is slidably connected to the inner wall of the No. 2 sliding groove 21. The transverse portion of the T-shaped sliding block 20 is arc-shaped, so that the T-shaped sliding block 20 fits more closely with the column casting. An arc-shaped baffle 24 is fixedly connected to the surface of the T-shaped sliding block 20 to increase the contact area with the column casting, which is convenient for fixing the column casting. A connecting column 22 is fixedly connected to the surface of the T-shaped sliding block 20, and a nut 23 is fixedly connected to the end of the connecting column 22 away from the T-shaped sliding block 20. The surface of the No. 1 gear 7 is provided with an arc-shaped sliding groove 16 in an array of equidistant circumferences. The arc-shaped sliding groove 16 is inclined, and the arc-shaped sliding groove 16 is slidably connected to the connecting column 22. The setting of the nut 23 prevents the connecting column 22 from being separated from the arc-shaped sliding groove 16, thereby improving the integrity of the device.

[0027] Place the cylindrical casting material sideways on the surface of the testing platform 6, rotate the No. 2 knob 10, the No. 2 knob 10 drives the No. 2 connecting shaft 17 to rotate, the No. 2 connecting shaft 17 rotates to drive the No. 2 gear 18 to rotate, the No. 2 gear 18 rotates to drive the No. 1 gear 7 to rotate, while the No. 1 gear 7 rotates, due to the extrusion of the arc-shaped sliding groove 16, the connecting column 22 will move on the inner wall of the arc-shaped sliding groove 16, and at the same time, the connecting column 22 drives the T-shaped sliding block 20 to slide on the inner wall of the No. 2 sliding groove 21, so that the arc The arc baffle 24 is expanded outwards. After the arc baffle 24 is expanded outwards, one end of the casting material is wrapped in the arc baffle 24, and then the second knob 10 is rotated in the opposite direction to shrink the arc baffle 24 inwards, and one end of the casting material is fixed in the arc baffle 24. Because the placement plate 19 and the second connecting shaft 17 are threadedly connected, they have a self-locking feature, which prevents the second connecting shaft 17 from rotating, thereby causing the arc baffle 24 to expand outwards and causing the column casting to slide on the surface of the arc baffle 24, thereby improving the device. For the stability of the casting fixation, then pull the C-shaped rod 3 to the appropriate position, repeat the above operation, fix the other end of the casting material in the arc baffle 24, and then rotate the No. 1 knob 9. The No. 1 knob 9 drives the worm 8 to rotate, and the rotation of the worm 8 drives the worm gear 15 to rotate. The rotation of the worm gear 15 drives the No. 1 connecting shaft 11 to rotate, and the rotation of the No. 1 connecting shaft 11 drives the placement plate 19 to rotate. The rotation of the placement plate 19 can drive the casting material to rotate, and then the multi-point rapid hardness test of the arc side of the column casting material can be carried out. The detection platform 6 of the device can better fix the column casting material, effectively prevent the column casting from rotating or rolling during the detection process, thereby providing more accurate hardness measurement results. This improvement improves the accuracy of the casting quality assessment. By rotating the No. 1 knob 9, multi-point detection of the casting side can be achieved, eliminating the work of repeated disassembly and assembly of the casting, reducing the frequent adjustment and positioning steps in traditional hardness testing, greatly simplifying the operation process, improving the detection efficiency, and reducing the labor intensity of the operator.

[0028] Working principle: Place the cylindrical casting material sideways on the surface of the testing platform 6, rotate the No. 2 knob 10 to change the overall diameter of the arc baffle 24, and after the overall diameter of the arc baffle 24 is expanded, wrap one end of the casting material in the arc baffle 24, and then rotate the No. 2 knob 10 in the opposite direction to reduce the overall diameter of the arc baffle 24, fix one end of the casting material in the arc baffle 24, pull the C-shaped rod 3 to the appropriate position, repeat the above operation, fix the other end of the casting material in the arc baffle 24, rotate the No. 1 knob 9, and the No. 1 knob 9 drives the casting material to rotate, and then a multi-point rapid hardness test of the arc side of the cylindrical casting material can be performed.

[0029] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A hardness tester for testing the hardness of casting materials, comprising a hardness tester body (1), characterized in that: The surface of the hardness machine body (1) is fixedly connected to a test bench (2), the surface of the test bench (2) is fixedly connected to a detection platform (6), the surface of the hardness machine body (1) is fixedly connected to two platforms (4), the two platforms (4) are respectively on both sides of the detection platform (6), a No. 1 sliding groove (5) is provided on the surface of the platform (4), the inner wall of the No. 1 sliding groove (5) is slidably connected to a C-shaped rod (3), a placement groove (14) is provided inside the C-shaped rod (3), the interior of the placement groove (14) is rotatably connected to a No. 1 connecting shaft (11), the surface of the No. 1 connecting shaft (11) is rotatably connected to a housing (12), and the surface of the No. 1 connecting shaft (11) is rotatably connected to a No. 1 gear (7), one end of the No. 1 connecting shaft (11) is fixedly connected to a placement plate (19), the placement plate (19) is in a large character shape, a No. 2 sliding groove (21) is opened inside the placement plate (19), the inner wall of the No. 2 sliding groove (21) is slidably connected to a T-shaped sliding block (20), the transverse portion of the T-shaped sliding block (20) is arc-shaped, the surface of the T-shaped sliding block (20) is fixedly connected to an arc-shaped baffle (24), the surface of the T-shaped sliding block (20) is fixedly connected to a connecting column (22), the surface of the No. 1 gear (7) is opened with an arc-shaped sliding groove (16) in a circumferentially equidistant array, the arc-shaped sliding groove (16) is inclined, and the arc-shaped sliding groove (16) is slidably connected to the connecting column (22).

2. A hardness tester for testing the hardness of casting materials according to claim 1, characterized in that: Both ends of the C-shaped rod (3) are fixedly connected to circular baffles (13), and the circular baffles (13) are slidably connected to the first sliding groove (5).

3. A hardness tester for testing the hardness of casting materials according to claim 1, characterized in that: The surface of the placement plate (19) is threadedly connected to a No. 2 connecting shaft (17), and the surface of the No. 2 connecting shaft (17) is fixedly connected to a No. 2 gear (18), and the No. 2 gear (18) is meshedly connected to the No. 1 gear (7).

4. A hardness tester for testing the hardness of casting materials according to claim 1, characterized in that: The inner wall of the placement groove (14) is rotatably connected to a worm (8), and one end of the No. 1 connecting shaft (11) is fixedly connected to a worm wheel (15), and the worm wheel (15) is meshingly connected to the worm (8).

5. A hardness tester for testing the hardness of casting materials according to claim 4, characterized in that: One end of the worm (8) is fixedly connected to a first knob (9), and one end of the second connecting shaft (17) is fixedly connected to a second knob (10).

6. A hardness tester for testing the hardness of casting materials according to claim 1, characterized in that: One end of the connecting column (22) is fixedly connected with a nut (23).

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