Hardness detection tool for metal device

Abstract

The utility model provides a hardness detection tool for a metal device, which comprises a rack, a lifting seat, a floating seat, a fixed seat and a detection head, the lifting seat is fixedly arranged on the rack, the floating seat is arranged at the movable end of the lifting seat, the lifting seat can drive the floating seat to lift, the fixed seat is arranged at the movable end of the floating seat, the floating seat can drive the fixed seat to move transversely, and the detection head is arranged on the fixed seat. The fixed seat is located below the detection head, and a to-be-detected part is detachably installed on the fixed seat. According to the hardness detection tool for the metal device, the fixing seat can fix an irregular part, then the relative height of the part and the detection head is adjusted through the lifting seat, the floating seat slides along the X direction and the Y direction to select a detection point, and the detection tool can be adapted to detection application of different parts, so that the detection accuracy is improved. And particularly, the application effect on parts with irregular shapes and uneven surfaces is good, operation is easy, and universality is high.

Description

Technical Field

[0001] The utility model belongs to the field of hardness detection, in particular to a hardness detection tool for metal components. Background Art

[0002] Hardness is a performance indicator that measures the degree of hardness or softness of a metal material. Due to its simplicity, speed, non-destructive nature, and correlation with other mechanical properties, hardness testing is widely used in production practice and scientific research to inspect and evaluate the properties of metal materials. Numerous hardness testing methods exist, generally categorized as indentation (such as Brinell, Rockwell, and Vickers), scratching (such as the Mohs test), and rebound (such as the Shore test).

[0003] In the production of metal parts, such as gears and drive shafts, the parts first need to be machined to produce the part's outer contour, and then undergo post-processing such as carburizing and tempering. After the processing is completed, the hardness of the parts needs to be tested. During the test, different parts have different outer contours and irregular shapes. During the hardness test, the hardness testing table of the existing technology is inconvenient to fix the parts. Summary of the Invention

[0004] In view of this, the present invention aims to provide a hardness testing tool for metal components to solve the problem of inconvenience in fixing parts when hardness testing equipment in the prior art is used to test irregular parts.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the utility model is achieved as follows:

[0006] A tool for testing the hardness of metal devices includes a stand, a lifting seat, a floating seat, a fixed seat and a testing head. The lifting seat is fixedly installed on the stand, the floating seat is installed on the movable end of the lifting seat, and the lifting seat can drive the floating seat to rise and fall. The fixed seat is installed on the movable end of the floating seat, and the floating seat can drive the fixed seat to move horizontally. The fixed seat is located below the testing head, and the parts to be tested can be detachably installed on the fixed seat.

[0007] Furthermore, the lifting seat includes a table plate, which is fixedly connected to the bottom of the table frame through two slides, and the two slides are arranged parallel to each other. A first slide groove is provided on one side of each slide, and a slider is provided between the two slides. The two sides of the slider are respectively slidably connected to a first slide groove, and a lead screw is fixedly installed on the slider. The outer periphery of the lead screw is threadedly connected to a rotating nut, and the rotating nut is rotatably sleeved on the table plate, and a floating seat is installed on the upper end of the lead screw.

[0008] Furthermore, the floating seat includes a base plate, a first displacement plate and a second displacement plate. The lower end of the base plate is mounted to the upper end of the lead screw. The upper end of the base plate is provided with a second slide groove. The lower end of the first displacement plate is slidably connected to the second slide groove. The upper end of the first displacement plate is provided with a third slide groove. The lower end of the second displacement plate is slidably connected to the third slide groove. A fixed seat is provided at the upper end of the second displacement plate, and the first displacement plate can slide in the X direction on the base plate, and the second displacement plate can slide in the Y direction on the first displacement plate.

[0009] Furthermore, a first adjustment plate is provided on the base plate, and a first adjustment bolt is threadedly connected to the first adjustment plate, and the end of the first adjustment bolt can abut against one side of the first displacement plate. A second adjustment plate is provided on one side of the first displacement plate, and a second adjustment bolt is threadedly connected to the second adjustment plate, and the end of the second adjustment bolt can abut against one side of the second displacement plate.

[0010] Furthermore, the fixed seat includes a fixed plate and a movable plate, both of which are L-shaped structures, and the fixed plate and the movable plate are arranged opposite to each other, the fixed plate is fixedly installed on the floating seat, the movable plate is slidably connected to the floating seat, and a third adjustment plate is provided on the floating seat, and the third adjustment bolt is threadedly connected to the third adjustment plate, and a section of the third adjustment bolt can abut against the outer side of the movable plate.

[0011] Furthermore, both side walls of the fixed plate are respectively provided with openings, and each side wall of the movable plate is slidably connected to one of the openings.

[0012] Compared with the prior art, the hardness testing tool for metal components described in the present invention has the following beneficial effects:

[0013] (1) The utility model describes a tool for testing the hardness of metal components. The fixed seat can fix irregular parts, and then the relative height between the parts and the detection head can be adjusted by the lifting seat. The detection point can be selected by sliding along the X and Y directions by the floating seat. The detection tool can adapt to the detection application of different parts, especially for parts with irregular shapes and uneven surfaces. It has good application effect, simple operation and high versatility.

[0014] (2) The hardness testing tool for metal devices described in the present invention can push the movable plate toward the fixed plate by rotating the third adjusting bolt, so that the movable plate can clamp the parts between the movable plate and the fixed plate, meeting the testing requirements of non-standard parts, and the L-shaped structure of the fixed plate and the movable plate can hold the periphery of the parts tightly to prevent the parts from being displaced by force. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings, which constitute part of the present invention, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 This is a schematic structural diagram of a tool for testing the hardness of a metal device according to an embodiment of the present utility model;

[0017] Figure 2 A schematic side view of a tool for testing the hardness of a metal component according to an embodiment of the present utility model;

[0018] Figure 3 This is a structural diagram of the lead screw according to an embodiment of the present utility model being installed on a table;

[0019] Figure 4 This is a schematic structural diagram of the cooperation between the floating seat and the fixed seat according to an embodiment of the present utility model.

[0020] Description of reference numerals:

[0021] 1-stand; 2-lifting seat; 21-table; 22-slide plate; 23-slider; 24-lead screw; 25-rotating nut; 3-floating seat; 31-base plate; 32-first displacement plate; 33-second displacement plate; 34-first adjustment plate; 35-first adjustment bolt; 4-fixed seat; 41-fixed plate; 42-movable plate; 43-opening; 44-third adjustment plate; 45-third adjustment bolt; 5-detection head. DETAILED DESCRIPTION

[0022] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0024] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0025] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0026] like Figures 1-4 As shown, a hardness testing tool for metal devices includes a stand 1, a lifting seat 2, a floating seat 3, a fixed seat 4 and a testing head 5. The lifting seat 2 is fixedly installed on the stand 1, and the floating seat 3 is installed on the movable end of the lifting seat 2. The lifting seat 2 can drive the floating seat 3 to rise and fall. The fixed seat 4 is installed on the movable end of the floating seat 3. The floating seat 3 can drive the fixed seat 4 to move horizontally, and the fixed seat 4 is located below the testing head 5. The parts to be tested can be detachably installed on the fixed seat 4. The fixed seat 4 can fix irregular parts, and then the relative height of the parts and the testing head 5 can be adjusted by the lifting seat 2. The floating seat 3 is moved along the The detection points are selected by sliding in the X and Y directions. The detection tooling can adapt to the detection applications of different parts, especially for parts with irregular shapes and uneven surfaces. It has good application effects, simple operation and high versatility. The detection head 5 is a prior art, and the detection head 5 can maintain the pressure of the parts through the prior art. The control method of this embodiment is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field, and this article is mainly used to protect mechanical devices. The control method and circuit connection are not explained in detail in this article.

[0027] The lifting seat 2 includes a table 21, which is fixedly connected to the bottom of the table 1 through two slides 22, and the two slides 22 are arranged parallel to each other. A first slide groove is provided on one side of each slide 22, and a slider 23 is provided between the two slides 22. The two sides of the slider 23 are respectively slidably connected to a first slide groove, and a screw 24 is fixedly installed on the slider 23. The outer periphery of the screw 24 is threadedly connected to the rotating nut 25, and the rotating nut 25 is rotatably sleeved on the table 21, and a floating seat 3 is installed on the upper end of the screw 24. In application, the rotating nut 25 is rotatably sleeved on the table 21 through a bearing. The staff can drive the rotating nut 25 and the screw 24 to rotate relative to each other by turning the rotating nut 25 by the handwheel. The screw 24 slides between the two slides 22 through the slider 23, thereby realizing the floating seat 3 on the screw 24 to rise and fall along the axial direction of the screw 24, and the parts are installed on the floating seat 3 through the fixed seat 4, so that the parts can be lifted and lowered relative to the detection head 5 to meet the testing requirements.

[0028] The floating seat 3 includes a bottom plate 31, a first displacement plate 32 and a second displacement plate 33. The lower end of the bottom plate 31 is mounted to the upper end of the lead screw 24. The upper end of the bottom plate 31 is provided with a second slide groove. The lower end of the first displacement plate 32 is slidably connected to the second slide groove. The upper end of the first displacement plate 32 is provided with a third slide groove. The lower end of the second displacement plate 33 is slidably connected to the third slide groove. The upper end of the second displacement plate 33 is provided with a fixed seat 4. The first displacement plate 32 can slide along the X direction on the bottom plate 31, and the second displacement plate 33 can slide along the Y direction on the first displacement plate 32. Figure 4 As shown, the lower ends of the first displacement plate 32 and the second displacement plate 33 are respectively provided with a slide with a T-shaped cross-section, and the upper ends of the bottom plate 31 and the first displacement plate 32 are respectively provided with a guide groove with a T-shaped cross-section. The slide is slidably connected to the guide groove to guide and limit the sliding direction of the first displacement plate 32 and the second displacement plate 33.

[0029] The first adjusting plate 32 and the second adjusting plate 33 are respectively provided with a first adjusting plate 34 and a first adjusting bolt 35, and a first adjusting bolt 35 is screwed on the first adjusting plate 34 so as to engage with the first displacement plate 32 and the second displacement plate 33.

[0030] The fixed seat 4 includes a fixed plate 41 and a movable plate 42. The fixed plate 41 and the movable plate 42 are both L-shaped structures, and the fixed plate 41 and the movable plate 42 are arranged opposite to each other. The fixed plate 41 is fixedly installed on the floating seat 3, and the movable plate 42 is slidably connected to the floating seat 3. A third adjusting plate 44 is provided on the floating seat 3, and a third adjusting bolt 45 is threadedly connected to the third adjusting plate 44. A section of the third adjusting bolt 45 can abut against the outer side of the movable plate 42. By screwing the third adjusting bolt 45, the movable plate 42 can be pushed to move toward the fixed plate 41, so that the movable plate 42 can clamp the parts between the fixed plate 41 to meet the testing requirements of non-standard parts. In addition, the fixed plate 41 and the movable plate 42 with the L-shaped structure can hold the periphery of the parts tightly to prevent the parts from being displaced by force, such as Figure 4As shown, in order to reduce the number of structural parts, openings 43 are respectively provided on both side walls of the fixed plate 41, and each side wall of the movable plate 42 is slidably connected to an opening 43, and the sliding trajectory of the side wall is limited by the opening 43 to stabilize the relative positions of the fixed plate 41 and the movable plate 42.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A tool for testing the hardness of metal components, characterized by: The invention comprises a platform (1), a lifting seat (2), a floating seat (3), a fixed seat (4) and a detection head (5); the lifting seat (2) is fixedly mounted on the platform (1); the floating seat (3) is mounted on the movable end of the lifting seat (2); the lifting seat (2) can drive the floating seat (3) to move up and down; the fixed seat (4) is mounted on the movable end of the floating seat (3); the floating seat (3) can drive the fixed seat (4) to move laterally; the fixed seat (4) is located below the detection head (5); and the parts to be detected can be detachably mounted on the fixed seat (4).

2. The hardness testing tool for metal components according to claim 1, characterized in that: The lifting seat (2) includes a platform (21), which is fixedly connected to the bottom of the platform (1) through two slides (22), and the two slides (22) are arranged parallel to each other. A first sliding groove is provided on one side of each slide (22), and a slider (23) is provided between the two slides (22). The two sides of the slider (23) are respectively slidably connected to a first sliding groove, and a lead screw (24) is fixedly installed on the slider (23). The outer periphery of the lead screw (24) is threadedly connected to a rotating nut (25), and the rotating nut (25) is rotatably sleeved on the platform (21), and the upper end of the lead screw (24) is installed with a floating seat (3).

3. The hardness testing tool for metal components according to claim 1, characterized in that: The floating seat (3) comprises a base plate (31), a first displacement plate (32) and a second displacement plate (33); the lower end of the base plate (31) is mounted to the upper end of the lead screw (24); the upper end of the base plate (31) is provided with a second slide groove; the lower end of the first displacement plate (32) is slidably connected to the second slide groove; the upper end of the first displacement plate (32) is provided with a third slide groove; the lower end of the second displacement plate (33) is slidably connected to the third slide groove; the upper end of the second displacement plate (33) is provided with a fixed seat (4); the first displacement plate (32) can slide along the X direction on the base plate (31); and the second displacement plate (33) can slide along the Y direction on the first displacement plate (32).

4. The hardness testing tool for metal components according to claim 3, characterized in that: A first adjustment plate (34) is provided on the bottom plate (31), a first adjustment bolt (35) is threadedly connected to the first adjustment plate (34), and an end portion of the first adjustment bolt (35) can abut against one side of the first displacement plate (32). A second adjustment plate is provided on one side of the first displacement plate (32), a second adjustment bolt is threadedly connected to the second adjustment plate, and an end portion of the second adjustment bolt can abut against one side of the second displacement plate (33).

5. The hardness testing tool for metal components according to claim 1, characterized in that: The fixed seat (4) includes a fixed plate (41) and a movable plate (42), both of which are L-shaped structures, and the fixed plate (41) and the movable plate (42) are arranged opposite to each other, the fixed plate (41) is fixedly mounted on the floating seat (3), the movable plate (42) is slidably connected to the floating seat (3), and a third adjustment plate (44) is arranged on the floating seat (3), and a third adjustment bolt (45) is threadedly connected to the third adjustment plate (44), and a section of the third adjustment bolt (45) can abut against the outer side of the movable plate (42).

6. The hardness testing tool for metal components according to claim 5, characterized in that: Both side walls of the fixed plate (41) are respectively provided with openings (43), and each side wall of the movable plate (42) is slidably connected to one of the openings (43).

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