Hardmeter for detecting high-toughness hard alloy

By setting cylindrical grooves and anti-slip pads on the stage of the hardness tester, and combining them with an electric push rod and clamping structure, the problem of hardness testers being unable to fix round or irregular alloys is solved, and stable testing results are achieved.

CN223678995UActive Publication Date: 2025-12-16SHANGHAI SHANGCAI TESTERMACHINE CO LTD
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Patent Information

Application Number
CN202422689319.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-12-16
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

Existing hardness testers have difficulty effectively fixing the hard alloy when testing round or irregularly shaped hard alloys, resulting in inaccurate test results.

Method used

A cylindrical groove is set on the surface of the stage of the hardness tester, and an anti-slip pad is installed in the groove to increase friction. At the same time, an electric push rod and a guide structure are used to stabilize the position of the stage, and the object to be tested is fixed by a clamping structure.

Benefits of technology

It effectively prevents the tested object from sliding or falling off the platform, ensuring stable position during the test and improving the accuracy and reliability of the test results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a durometer for detecting high-toughness hard alloy, which comprises a base, the base is of a hollow cuboid structure, a top plate is arranged above the base, one side surfaces of the base and the top plate are fixedly connected through a support plate, and a test head is fixedly mounted on the lower surface of the top plate. A display panel is arranged on the side surface of the base, the display panel is connected with the testing head, and a bearing structure is arranged on the upper surface of the base. According to the durometer for detecting the high-toughness hard alloy, the cylindrical objective table is arranged to support a tested object, the electric push rod is used for achieving vertical movement of the objective table so that the tested object can make contact with the testing head, the cylindrical groove is formed in the surface of the objective table, and the tested object is placed in the groove; meanwhile, the anti-skid pad is arranged in the groove of the objective table, so that the friction force between the objective table and the to-be-measured object is increased, and the to-be-measured object is further prevented from falling off.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hardness tester, specifically to a hardness tester for high toughness hard alloy detection. BACKGROUND

[0002] Hardness tester is a kind of instrument for measuring the hardness of material, and hardness is a kind of ability to resist the pressure of hard object into its surface, and it is one of important performance indexes of metal material, and the higher hardness is, the better wear resistance is, so metal alloy needs to test the hardness of alloy material by hardness tester before use to ensure the strength of alloy in use.

[0003] The current hardness tester usually adopts plane object table to support the measured object, when testing the circular or irregular shape product, the product is inconvenient to fix, and it is easy to fall from the object table, thereby affecting the test result. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of hardness testers for high toughness hard alloy detection, and the cylindrical groove is arranged on the surface of the plane object table of the device, and anti-skid layer is arranged in the groove to increase the friction between measured object and object table, to solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of hardness tester for high toughness hard alloy detection, including base, the base is hollow cuboid structure, the top of the base is provided with top plate, the side surface of the base and top plate is fixedly connected with the lower surface of top plate by support plate, and the lower surface of top plate is fixedly installed with test head, the side surface of the base is provided with display panel, the display panel is connected with test head, the upper surface of the base is provided with support structure, and support structure is supported by object table to measured object.

[0006] Preferably, the support structure includes an object table, the object table is a cylindrical structure, the upper surface of the object table is provided with a cylindrical groove, and an anti-skid pad is fixedly installed on the inner wall of the groove of the upper surface of the object table, the surface of the anti-skid pad is provided with staggered cross-shaped protrusions, the lower surface of the object table is fixedly connected with the output end of the electric push rod, and the electric push rod is fixedly installed in the inside of the base.

[0007] The above technical scheme is adopted, and the anti-skid pad on the surface of the object table can increase the friction between the object table and the measured object.

[0008] Preferably, the lower surface of the object table is provided with a guide structure, which can avoid deviation during the rising of the object table.

[0009] The above technical scheme is adopted, and the guide structure can avoid deviation of the object table.

[0010] Preferably, the guide structure comprises a support block, the support block is an L-shaped structure, and the support block is fixedly installed at the intersection of the lower surface and the side surface of the object table, the lower surface of the support block is fixedly connected with a support rod, the other end of the support rod is fixed with the upper surface of the base, the support rod is a telescopic structure, and the support block and the support rod are annularly arranged in multiple groups on the surface of the object table.

[0011] By adopting the above technical scheme, the support rod with the telescopic structure can support and prevent the object table from deviating.

[0012] Preferably, the upper surface of the object table is provided with a clamping structure, and the clamping structure can further fix the measured object by means of a clamping block.

[0013] By adopting the above technical scheme, the clamping structure can further fix the measured object.

[0014] Preferably, the clamping structure comprises a protruding block, the protruding block is fixedly installed on the upper surface of the object table, a connecting rod is arranged through the surface of the protruding block, the connecting rod is a threaded rod structure, and the surface of the protruding block is threadedly connected with the connecting rod, one end of the connecting rod is rotatably connected with a clamping block, and the protruding block, the connecting rod and the clamping block are annularly arranged in four groups on the upper surface of the object table.

[0015] By adopting the above technical scheme, the movement of the connecting rod and the clamping block can realize the fixation of the measured object from all around.

[0016] Compared with the prior art, the hardness tester for high-toughness hard alloy detection has the advantages that:

[0017] 1. The device sets a cylindrical object table to support the measured object, realizes the up-down movement of the object table by means of an electric push rod, thereby realizing the contact between the measured object and the test head, the surface of the object table is provided with a cylindrical groove, the measured object is placed in the groove, the measured object is prevented from sliding off the surface of the flat object table, and at the same time, an antiskid pad is arranged in the groove of the object table, the friction between the object table and the measured object is increased, and the measured object is further prevented from falling off;

[0018] 2. The device is provided with a support block and a support rod on the lower surface of the object table, the other end of the support rod with the telescopic structure is fixedly installed on the upper surface of the base, when the object table rises, the support rod is synchronously elongated, thereby avoiding the deviation of the object table in the process of rising;

[0019] 3. The device is provided with a protruding block on the upper surface of the object table, a connecting rod is threadedly installed on the surface of the protruding block, one end of the connecting rod is rotatably connected with a clamping block, the movement of the clamping block can be realized by the movement of the threaded rod on the surface of the protruding block, the clamping block arranged in an annular manner can clamp and fix the measured object from all around, and the displacement of the measured object is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the front view structural schematic diagram of the utility model;

[0021] Figure 2 It is the base front cut structure schematic diagram of the utility model;

[0022] Figure 3 It is the objective table front cut structure schematic diagram of the utility model;

[0023] Figure 4 It is the objective table overhead structure schematic diagram of the utility model;

[0024] Figure 5 It is the connecting rod and the card block structure schematic diagram of the utility model.

[0025] In the drawing: 1, base; 2, top plate; 3, test head; 4, display panel; 5, objective table; 6, electric push rod; 7, support block; 8, support rod; 9, non-slip pad; 10, protruding block; 11, connecting rod; 12, card block. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a hardness tester for high toughness hard alloy detection, including base 1, top plate 2, test head 3, display panel 4, objective table 5, electric push rod 6, support block 7, support rod 8, non-slip pad 9, protruding block 10, connecting rod 11, card block 12.

[0028] The upper surface of the base 1 is provided with a supporting structure, which supports the measured object through the object table 5. The supporting structure comprises the object table 5, which is a cylindrical structure. The upper surface of the object table 5 is provided with a cylindrical groove. The inner wall of the groove on the upper surface of the object table 5 is fixedly installed with an anti-skid pad 9. The surface of the anti-skid pad 9 is provided with staggered cross-shaped protrusions. The upper surface of the object table 5 is provided with a clamping structure. The clamping structure can further fix the measured object through a clamping block 12. The clamping structure comprises a protruding block 10, which is fixedly installed on the upper surface of the object table 5. The surface of the protruding block 10 is provided with a connecting rod 11, which is a threaded rod structure and is threadedly connected with the surface of the protruding block 10. One end of the connecting rod 11 is rotatably connected with the clamping block 12. The protruding block 10, the connecting rod 11 and the clamping block 12 are annularly arranged in four groups on the upper surface of the object table 5.

[0029] As shown in Figure 3 , Figure 4 and Figure 5 , during the hardness detection of the alloy using the device, the measured object is placed in the circular groove on the upper surface of the object table 5 and is in contact with the anti-skid pad 9. The cross-shaped protrusions on the surface of the anti-skid pad 9 increase the friction between the measured object and the surface of the object table 5. In cooperation with the groove, the measured object is prevented from falling off the upper surface of the object table 5. The connecting rod 11 is rotated by hand. The connecting rod 11 is rotated on the surface of the protruding block 10 and drives the clamping block 12 at one end to approach the surface of the measured object. After the clamping block 12 comes into contact with the surface of the measured object, the rotation of the connecting rod 11 is stopped. The measured object can be clamped and fixed on the upper surface of the object table 5 by the four clamping blocks 12, thereby avoiding deviation during the test.

[0030] The base 1 is a hollow rectangular structure. The upper surface of the base 1 is provided with a top plate 2. The side surface of the base 1 and the top plate 2 is fixedly connected with the lower surface of the top plate 2 through a supporting plate. The lower surface of the object table 5 is fixedly connected with the output end of the electric push rod 6. The electric push rod 6 is fixedly installed in the interior of the base 1. The lower surface of the object table 5 is provided with a guide structure, which can avoid deviation during the upward movement of the object table 5. The guide structure comprises a supporting block 7, which is an L-shaped structure and is fixedly installed at the intersection of the lower surface and the side surface of the object table 5. The lower surface of the supporting block 7 is fixedly connected with a supporting rod 8. The other end of the supporting rod 8 is fixed with the upper surface of the base 1. The supporting rod 8 is a telescopic structure. The supporting block 7 and the supporting rod 8 are annularly arranged in multiple groups on the surface of the object table 5.

[0031] As shown in Figure 1 and Figure 2As shown, the electric push rod 6 is started, the electric push rod 6 drives the stage 5 and the measured object to move upward synchronously, when the stage 5 moves upward, the stage 5 drives the support block 7 to move upward, at this time, the support rod 8 is elongated, plays a guiding support role between the surface of the base 1 and the stage 5, avoids the stage 5 from deviating in the process of rising, continuously rises the stage 5, the measured object on the upper surface of the stage 5 contacts the testing head 3 and is extruded by the testing head 3, so that the surface of the measured object is deformed, thereby the hardness of the measured object is tested and displayed on the display panel 4.

[0032] Working principle: when the hardness tester for high toughness hard alloy detection is used, the measured object is placed in the circular groove on the upper surface of the stage 5, the anti-skid pad 9 is used to increase the friction between the measured object and the surface of the stage 5, avoids the measured object from sliding, the connecting rod 11 is rotated, the connecting rod 11 drives the clamping block 12 to approach the surface of the measured object, the clamping block 12 is arranged in a ring shape and clamps the measured object from all around, avoids the measured object from moving in the testing process, the electric push rod 6 is started, the electric push rod 6 drives the stage 5 to rise, the stage 5 drives the measured object to contact the testing head 3, under the action of the testing head 3, the hardness of the measured object is displayed on the display panel 4, increases the practicability of the whole.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hardness tester for testing high-toughness cemented carbide, comprising a base (1), the base (1) being a hollow cuboid structure, a top plate (2) being disposed above the base (1), a test head (3) being fixedly mounted on the lower surface of the top plate (2) and one side surface of the base (1) being fixedly connected by a support plate, and a display panel (4) being disposed on the side surface of the base (1), the display panel (4) being connected to the test head (3), characterized in that: The upper surface of the base (1) is provided with a supporting structure, which supports the measured object through a stage (5).

2. A hardness tester for high toughness cemented carbide according to claim 1, characterized in that: The supporting structure comprises a stage (5), which is a cylindrical structure, and the upper surface of the stage (5) is provided with a cylindrical groove, and an anti-skid pad (9) is fixedly installed on the inner wall of the groove of the upper surface of the stage (5), and the surface of the anti-skid pad (9) is provided with staggered cross-shaped protrusions, the lower surface of the stage (5) is fixedly connected with the output end of an electric push rod (6), and the electric push rod (6) is fixedly installed in the inside of the base (1).

3. A hardness tester for high toughness cemented carbide according to claim 1, characterized in that: The lower surface of the stage (5) is provided with a guide structure, which can avoid deviation during the rising of the stage (5).

4. A hardness tester for high toughness cemented carbide according to claim 3, characterized in that: The guide structure comprises a support block (7), which is an L-shaped structure, and the support block (7) is fixedly installed at the intersection of the lower surface and the side surface of the stage (5), the lower surface of the support block (7) is fixedly connected with a support rod (8), the other end of the support rod (8) is fixed with the upper surface of the base (1), the support rod (8) is a telescopic structure, and a plurality of groups of the support block (7) and the support rod (8) are arranged annularly on the surface of the stage (5).

5. A hardness tester for high toughness cemented carbide according to claim 1, characterized in that: The upper surface of the stage (5) is provided with a clamping structure, which can further fix the measured object through a clamping block (12).

6. A hardness tester for high toughness cemented carbide according to claim 5, characterized in that: The clamping structure comprises a protruding block (10), which is fixedly installed on the upper surface of the stage (5), the surface of the protruding block (10) is provided with a connecting rod (11) penetrating through, the connecting rod (11) is a threaded rod structure, and the connecting rod (11) is threadedly connected with the surface of the protruding block (10), one end of the connecting rod (11) is rotatably connected with the clamping block (12), and four groups of the protruding block (10), the connecting rod (11) and the clamping block (12) are arranged annularly on the upper surface of the stage (5).