A metal hardness testing device with auxiliary limitation

Abstract

This utility model relates to the field of metal hardness testing technology, and in particular to a metal hardness testing device with auxiliary restraint. It includes a base plate and a flat plate. The upper surface of the base plate is fixedly connected to the lower surface of the flat plate. A slide rail machined on the upper surface of the flat plate is slidably connected to the lower surface of the slider. A curved plate is fixedly connected to the upper end of the hydraulic cylinder. A metal auxiliary restraint structure is provided on the upper surface of the slider. A metal hardness testing adjustment structure is provided on the upper surface of the base plate. Through the cooperation of the metal auxiliary restraint structure and the clamping plate, the electric telescopic rod is activated to extend and retract to the right. The cylinder protruding in the middle of the straight rod and the slide groove machined in the first horizontal bar cause the cylinder to slide within the slide groove, causing the straight rod to swing to the left. Simultaneously, through the cylinder protruding at the upper end of the straight rod and the slide groove machined in the second horizontal bar, the clamping plate moves to the left. The curved plate, in conjunction with the device, clamps and restrains the metal part, avoiding manual operation and reducing labor costs.

Description

Technical Field

[0001] The utility model relates to the technical field of metal hardness detection, in particular to a metal hardness detection device with auxiliary limitation. Background Art

[0002] Metal hardness testing is the fastest, most economical and simplest test method to evaluate the mechanical properties of metals. The main purpose of hardness testing is to determine the applicability of materials or the effect of special hardening or softening treatments performed on the materials for their intended use.

[0003] For example, the metal hardness testing device with auxiliary restriction, with authorization announcement number "CN220271068U", when fitted, will cause the arc block to be penetrated by the fixed shaft fixedly installed on the right side of the fixed plate, so that the arc block can be tilted and swung left and right along the fixed shaft, and can slide along the arc groove fitted on the left outer surface, so that it can fix and clamp special-shaped workpieces, has strong adaptability to clamping and fixing workpieces of different shapes, and has a relatively simple structure. However, when the metal hardness testing device with auxiliary restriction performs hardness testing on metal parts, it is necessary to first fix the position of the metal parts before performing subsequent hardness testing. The metal part position fixing restriction of the device requires manual rotation of the knob for matching limit, which is manual operation and increases the labor force. At the same time, after the metal hardness testing device with auxiliary restriction fixes the position of the metal parts, the metal part hardness detection position of the device is fixed, and the detection position cannot be adjusted. The hardness testing work of the device has limitations. Utility Model Content

[0004] The purpose of the utility model is to solve the problems that the metal part position fixing limit of the existing equipment requires manual rotation of the knob to match the limit, the manual operation increases the labor force and the metal part hardness detection position of the equipment is fixed and the detection position cannot be adjusted, and the hardness detection work of the equipment has limitations, and a metal hardness detection device with auxiliary limitation is proposed.

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

[0006] A metal hardness detection device with auxiliary restriction is designed, comprising a base plate and a flat plate, the upper surface of the base plate is fixedly connected to the lower surface of the flat plate, the slideway processed on the upper surface of the flat plate is slidably connected to the lower surface of the slider, a fixed block is fixedly connected to the right side of the upper surface of the slider, a hydraulic cylinder is fixedly connected to the left side of the upper surface of the slider, a bending plate is fixedly connected to the upper end of the hydraulic cylinder, a metal part auxiliary restriction structure is provided on the upper surface of the base plate, and a metal hardness detection adjustment structure is provided on the upper surface of the base plate.

[0007] Preferably, the metal auxiliary limiting structure includes a first shell, an electric telescopic rod is fixedly connected to the inner wall of the first shell, one end of the electric telescopic rod is movably connected to the straight rod through a pin shaft, a cylinder protruding from the middle of the straight rod is slidably connected to a slide groove processed in the first cross bar, the first cross bar is fixedly connected to the inner wall of the first shell, a cylinder protruding from the upper end of the straight rod is slidably connected to the slide groove processed in the second cross bar, and the second cross bar passes through the vertical plate and the first shell and is socketed with the vertical plate and the first shell.

[0008] Preferably, the vertical plate is fixedly connected to the inner wall of the first shell, and the lower surface of the first shell is fixedly connected to the upper surface of the fixing block.

[0009] Preferably, the metal hardness detection and adjustment structure includes a second shell, the surface of the second shell is fixedly connected to a motor through a bracket, the motor output shaft passes through the second shell and is fixedly connected to a first gear through a reducer, the first gear is meshed with the second gear, the second gear is rotatably connected to the inner wall of the second shell through a pin, the protruding cylinder on the second gear is fixedly connected to a cylinder, one end of the cylinder is fixedly connected to a round rod, the round rod is rotatably connected to the surface of the long plate through a pin, the slide groove machined on the surface of the cylinder is slidably connected to the short rod, the lower end of the short rod is fixedly connected to the long rod, the long rod passes through the long plate and the second shell and is socketed with the long plate and the second shell.

[0010] Preferably, two ends of the long plate are fixedly connected to two sides of the inner wall of the second shell respectively, and the lower surface of the second shell is fixedly connected to the upper surface of the bottom plate.

[0011] Preferably, one end of the second cross bar is fixedly connected to a clamping plate, and one end of the long rod is fixedly connected to the surface of the slider.

[0012] The utility model proposes a metal hardness detection device with auxiliary restriction, which has the beneficial effects that: through the cooperation of the auxiliary restriction structure of the metal part and the clamping plate, the electric telescopic rod starts to extend and retract to the right, and through the cylinder protruding from the middle of the straight rod and the slide groove processed in the first cross bar, the cylinder is driven to slide in the slide groove, and the straight rod is driven to swing to the left, and through the cylinder protruding from the upper end of the straight rod and the slide groove processed in the second cross bar, the cylinder is driven to push the second cross bar to move to the left in the vertical plate and the first shell, and at the same time drives the clamping plate to move to the left, and the metal part is clamped and auxiliary restricted by the cooperation of the bent plate, so that manual operation is avoided and the manual labor is reduced;

[0013] Through the cooperation of the metal hardness detection adjustment structure and the slider, the motor starts and drives the first gear to rotate, and the rotation of the first gear drives the second gear to rotate in the second shell. The cylinder is driven to rotate through the protruding cylinder on the second gear, and the round rod is driven to rotate on the surface of the long plate. The short rod is driven to move left and right through the slide groove processed on the surface of the cylinder, and the long rod is driven to move left and right in the long plate and the second shell. At the same time, the slider is driven to slide left and right on the slideway processed on the upper surface of the flat plate, and the metal parts are driven to move left and right to adjust the position of the hardness detection, thereby reducing the limitations of the hardness detection work of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 A front cross-sectional view of

[0016] Figure 3 for Figure 1 Right view of;

[0017] Figure 4 for Figure 1 A front cross-sectional view of the auxiliary limiting structure of the metal part;

[0018] Figure 5 for Figure 4 Schematic diagram of part A;

[0019] Figure 6 for Figure 1 Front view and cross-section of the metal hardness detection and adjustment structure.

[0020] In the figure: 1, bottom plate, 2, flat plate, 3, slider, 4, fixed block, 5, metal auxiliary limiting structure, 501, first shell, 502, vertical plate, 503, second cross bar, 504, first cross bar, 505, electric telescopic rod, 506, straight rod, 6, splint, 7, hydraulic cylinder, 8, bending plate, 9, metal hardness detection and adjustment structure, 901, second shell, 902, round rod, 903, cylinder, 904, first gear, 905, motor, 906, second gear, 907, short rod, 908, long rod, 909, long plate. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] See attached Figure 1-6 :

[0023] In this embodiment, a metal hardness detection device with auxiliary restriction includes a bottom plate 1 and a flat plate 2. The upper surface of the bottom plate 1 is fixedly connected to the lower surface of the flat plate 2. The slideway processed on the upper surface of the flat plate 2 is slidably connected to the lower surface of the slider 3. The slider 3 can slide left and right on the slideway processed on the upper surface of the flat plate 2. A fixed block 4 is fixedly connected to the right side of the upper surface of the slider 3. A hydraulic cylinder 7 is fixedly connected to the left side of the upper surface of the slider 3. The hydraulic cylinder 7 can meet the working needs according to actual needs. A bending plate 8 is fixedly connected to the upper end of the hydraulic cylinder 7. The hydraulic cylinder 7 can drive the bending plate 8 to move up and down when it is started. A metal part auxiliary restriction structure 5 is provided on the upper surface of the slider 3, and a metal hardness detection adjustment structure 9 is provided on the upper surface of the bottom plate 1.

[0024] The vertical plate 502 is fixedly connected to the inner wall of the first shell 501, the lower surface of the first shell 501 is fixedly connected to the upper surface of the fixed block 4, the two ends of the long plate 909 are respectively fixedly connected to the two sides of the inner wall of the second shell 901, the lower surface of the second shell 901 is fixedly connected to the upper surface of the bottom plate 1, one end of the second cross bar 503 is fixedly connected to the splint 6, the left and right movement of the second cross bar 503 can drive the splint 6 to move left and right, one end of the long rod 908 is fixedly connected to the surface of the slider 3, the left and right movement of the long rod 908 can drive the slider 3 to move left and right.

[0025] See attached Figure 1-5 :

[0026] The metal auxiliary limiting structure 5 includes a first shell 501, and an electric telescopic rod 505 is fixedly connected to the inner wall of the first shell 501. The electric telescopic rod 505 can meet the working needs according to actual needs. One end of the electric telescopic rod 505 is movably connected to the straight rod 506 through a pin shaft, and a protruding cylinder in the middle of the straight rod 506 is slidably connected to a slide groove processed in the first cross bar 504. When the electric telescopic rod 505 is started, it can drive the straight rod 506 to swing left and right on the first cross bar 504. The first cross bar 504 is fixedly connected to the inner wall of the first shell 501, and a protruding cylinder on the upper end of the straight rod 506 is slidably connected to a slide groove processed in the second cross bar 503. The second cross bar 503 penetrates the vertical plate 502 and the first shell 501 and is socketed with the vertical plate 502 and the first shell 501. The left and right swing of the straight rod 506 can drive the second cross bar 503 to move left and right in the vertical plate 502 and the first shell 501.

[0027] See attached Figure 1-3 and Figure 6 :

[0028] The metal hardness detection and adjustment structure 9 includes a second shell 901, and a motor 905 is fixedly connected to the surface of the second shell 901 through a bracket. The motor 905 can meet the working needs according to actual needs. The output shaft of the motor 905 passes through the second shell 901 and is fixedly connected to the first gear 904 through a reducer. When the motor 905 is started, it can drive the first gear 904 to rotate. The first gear 904 is meshed and connected with the second gear 906. The second gear 906 is rotatably connected to the inner wall of the second shell 901 through a pin shaft. The rotation of the first gear 904 can drive the second gear 906 to rotate in the second shell 901. The protruding cylinder on the second gear 906 is fixedly connected to the cylinder 903 The rotation of the second gear 906 can drive the cylinder 903 to rotate. One end of the cylinder 903 is fixedly connected with a round rod 902. The round rod 902 is rotatably connected to the surface of the long plate 909 through a pin. The rotation of the cylinder 903 can drive the round rod 902 to rotate on the long plate 909. The slide groove processed on the surface of the cylinder 903 is slidably connected to the short rod 907. The rotation of the cylinder 903 can drive the short rod 907 to move left and right. The lower end of the short rod 907 is fixedly connected with a long rod 908. The long rod 908 penetrates the long plate 909 and the second shell 901 and is socketed with the long plate 909 and the second shell 901. The left and right movement of the short rod 907 can drive the long rod 908 to move left and right in the long plate 909 and the second shell 901.

[0029] Working principle:

[0030] The metal parts that need to be tested for hardness are placed on the bending plate 8 to prepare for the subsequent hardness testing of the metal parts.

[0031] Metal parts assist in limiting work:

[0032] When the external power supply of the electric telescopic rod 505 is turned on, the electric telescopic rod 505 starts to extend to the right, and the cylinder protruding from the middle of the straight rod 506 and the slide groove processed in the first cross bar 504 drive the cylinder to slide in the slide groove, driving the straight rod 506 to swing to the left, and the cylinder protruding from the upper end of the straight rod 506 and the slide groove processed in the second cross bar 503 drive the cylinder to push the second cross bar 503 to move to the left in the vertical plate 502 and the first shell 501, and at the same time drive the clamping plate 6 to move to the left, and the metal parts are clamped and assisted in limiting the position through the cooperation of the bent plate 8. After the personnel observe that the metal parts are clamped and assisted in limiting the position, the power of the electric telescopic rod 505 is turned off.

[0033] Metal hardness detection and adjustment work:

[0034] The external power supply of the motor 905 is turned on, the motor 905 starts to drive the first gear 904 to rotate, the rotation of the first gear 904 drives the second gear 906 to rotate in the second housing 901, the cylinder 903 is driven to rotate through the protruding cylinder on the second gear 906, and the round rod 902 is driven to rotate on the surface of the long plate 909, and the short rod 907 is driven to move left and right through the slide groove processed on the surface of the cylinder 903, and the long rod 908 is driven to move left and right in the long plate 909 and the second housing 901, and at the same time, the slider 3 is driven to slide left and right on the slideway processed on the upper surface of the flat plate 2, and the metal part is driven to move left and right. Adjust the position of the hardness test, turn off the power of the motor 905 after adjusting the position, and then use the Rockwell hardness test method to perform hardness testing on the metal parts. The Rockwell hardness test is a prior art that has been disclosed and will not be explained in detail here. After the hardness test, turn on the power of the electric telescopic rod 505, and the electric telescopic rod 505 starts to retract to the left, which is opposite to the above work, and drives the splint 6 to move to the right to release the restriction on the metal parts. Then turn on the external power supply of the hydraulic cylinder 7, and the hydraulic cylinder 7 starts to drive the bending plate 8 to move upward to lift the metal parts, and then take out the metal parts for collection.

[0035] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A metal hardness testing device with auxiliary restriction, comprising a base plate (1) and a flat plate (2), wherein the upper surface of the base plate (1) is fixedly connected to the lower surface of the flat plate (2), characterized in that: The slideway processed on the upper surface of the plate (2) is slidably connected to the lower surface of the slider (3); a fixed block (4) is fixedly connected to the right side of the upper surface of the slider (3); a hydraulic cylinder (7) is fixedly connected to the left side of the upper surface of the slider (3); a bending plate (8) is fixedly connected to the upper end of the hydraulic cylinder (7); a metal part auxiliary limiting structure (5) is provided on the upper surface of the slider (3); and a metal hardness detection and adjustment structure (9) is provided on the upper surface of the base plate (1).

2. A metal hardness testing device with auxiliary limitation according to claim 1, characterized in that: The metal part auxiliary limiting structure (5) comprises a first shell (501), the inner wall of the first shell (501) is fixedly connected with an electric telescopic rod (505), one end of the electric telescopic rod (505) is movably connected with a straight rod (506) through a pin shaft, a cylindrical protrusion in the middle of the straight rod (506) is slidably connected with a slide groove processed in the first cross bar (504), the first cross bar (504) is fixedly connected with the inner wall of the first shell (501), a cylindrical protrusion at the upper end of the straight rod (506) is slidably connected with a slide groove processed in the second cross bar (503), and the second cross bar (503) passes through the vertical plate (502) and the first shell (501) and is sleeved with the vertical plate (502) and the first shell (501).

3. A metal hardness testing device with auxiliary limitation according to claim 2, characterized in that: The vertical plate (502) is fixedly connected to the inner wall of the first shell (501), and the lower surface of the first shell (501) is fixedly connected to the upper surface of the fixing block (4).

4. A metal hardness testing device with auxiliary limitation according to claim 2, characterized in that: The metal hardness detection and adjustment structure (9) comprises a second housing (901), a motor (905) is fixedly connected to the surface of the second housing (901) via a bracket, an output shaft of the motor (905) passes through the second housing (901) and is fixedly connected to a first gear (904) via a reducer, the first gear (904) is meshedly connected to a second gear (906), the second gear (906) is rotatably connected to the inner wall of the second housing (901) via a pin, and a protrusion on the second gear (906) The raised cylinder is fixedly connected to a cylinder (903), one end of the cylinder (903) is fixedly connected to a round rod (902), the round rod (902) is rotatably connected to the surface of a long plate (909) through a pin, a sliding groove processed on the surface of the cylinder (903) is slidably connected to a short rod (907), the lower end of the short rod (907) is fixedly connected to a long rod (908), the long rod (908) penetrates the long plate (909) and the second shell (901) and is sleeved with the long plate (909) and the second shell (901).

5. A metal hardness testing device with auxiliary limitation according to claim 4, characterized in that: The two ends of the long plate (909) are respectively fixedly connected to the two sides of the inner wall of the second shell (901), and the lower surface of the second shell (901) is fixedly connected to the upper surface of the bottom plate (1).

6. A metal hardness testing device with auxiliary limitation according to claim 4, characterized in that: One end of the second cross bar (503) is fixedly connected to a clamping plate (6), and one end of the long bar (908) is fixedly connected to the surface of the slider (3).

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