Metal material hardness detection device
By using a hydraulic rod to drive the clamping plate closer and combining it with air pressure difference and auxiliary clamping components, the problem of unstable clamping in metal material hardness testing is solved, achieving firm fixation of metal plates and improving the accuracy of testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-04-10
AI Technical Summary
In existing metal material hardness testing, the clamping effect of the fixture on the metal sheet is not good, resulting in inaccurate test results, especially when the lateral force exceeds the friction limit, the sheet is prone to displacement.
A hydraulic rod is used to drive the clamping plate closer to the auxiliary clamping assembly. The pressure difference is used to achieve adsorption and fixation of the metal sheet. The lateral clamping assembly is used to prevent the sheet from shifting.
It effectively prevents metal sheets from shifting during the testing process, thus improving the accuracy and reliability of the test results.
Smart Images

Figure CN224109259U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to material detection technical field, concretely is metal material hardness detection device. BACKGROUND
[0002] Hardness as the core performance index of evaluating the soft and hard degree of metal material, its connotation is rich, not only reflects the ability of material resisting elastic deformation, plastic deformation and even destruction, but also embodies the performance of material in resisting permanent deformation and anti-damage process. Hardness is not the embodiment of single physical property, but the comprehensive reflection of multiple mechanical properties such as elasticity, plasticity, strength and toughness of metal material. In the selection and application of metal material, it is crucial to ensure that the material hardness meets the expected standard, so as to avoid the use problems caused by insufficient hardness.
[0003] The conventional metal strength detection method adopts the downward pressure application mode to evaluate the compression resistance of metal plate. However, in the detection process, the clamps on both sides of the equipment are used to stably clamp the metal plate, but when the lateral force borne by the metal plate in the detection process exceeds the limit of the friction force between the plate and the clamp, the plate is prone to deviation, which leads to poor clamping effect and further adversely affects the accuracy of the detection result. UTILITARIAN CONTENT
[0004] The utility model aims at providing metal material hardness detection device to solve the problem in the above background technique.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: metal material hardness detection device, including the table body, still including:
[0006] The support plate is bolted on both sides of the top of the table body, the surface of the support plate is provided with the second hydraulic rod, the output shaft of the second hydraulic rod is bolted with the clamping plate, the inside of the clamping plate is provided with a plurality of vertical cylinders, the top end of the vertical cylinder extends to the surface of the clamping plate and is bonded with the sealing ring;
[0007] The bracket is bolted on the top of the table body, the surface of the bracket is fixed with the cylinder, one end of the cylinder is communicated with the connecting pipe, the inner wall of the cylinder is slidably connected with the piston, one side of the piston is bolted with the movable rod, and the other end of the movable rod is bolted with the clamping plate, the connecting pipe is communicated with the horizontal pipe away from the cylinder, the surface of the horizontal pipe is communicated with a plurality of short pipes, and the other end of the short pipe penetrates into the inside of the clamping plate and is communicated with the vertical cylinder;
[0008] The auxiliary clamping assembly is used for laterally clamping the detected piece.
[0009] Preferably, the auxiliary clamping assembly comprises a first clamping plate, a second clamping plate and a transverse groove, the second clamping plate is bolted to one side of the surface of the clamping plate, the transverse groove is arranged on the surface of the clamping plate, the inner wall of the transverse groove is slidably connected with a sliding block, the sliding block is bolted to the bottom of the first clamping plate, the inside of the clamping plate is rotatably connected with a screw rod, the surface of the sliding block is provided with a threaded sleeve penetrating through, and the threaded sleeve is threadedly connected with the surface of the screw rod, and one end of the screw rod extends to the outside of the clamping plate and is bolted with a hand wheel.
[0010] Preferably, the upper part of the vertical cylinder is further bolted with a blocking net.
[0011] Preferably, the length of the second clamping plate is greater than that of the first clamping plate.
[0012] Preferably, the surface of the short pipe is further provided with a valve.
[0013] Preferably, the top of the table body is bolted with a fixing frame, the surface of the fixing frame is bolted with a first hydraulic rod, and the output shaft of the first hydraulic rod is bolted with a pressing block.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] The utility model discloses a second hydraulic rod on both sides is opened to drive the clamping plate on both sides to be close to each other, realizes the clamping of both sides to the metal sheet being detected, and the piston and the movable rod are moved in the inside of the cylinder body under the drive of the clamping plate, and part of air in the vertical cylinder is drawn out, and under the action of the air pressure difference between inside and outside, the metal sheet being clamped is implemented adsorption and is fixed, and the fixation is more firm, and in combination with the auxiliary clamping assembly, the metal sheet is implemented lateral clamping, and then effectively prevents the condition that the metal sheet is deviated in the detection process. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the structural schematic diagram in the utility model;
[0017] Figure 2 It is the local structural schematic diagram in the utility model;
[0018] Figure 3 It is the section view of the clamping plate in the utility model;
[0019] Figure 4 It is the local structural schematic diagram of auxiliary clamping assembly in the utility model;
[0020] Figure 5 It is the schematic diagram of pipeline in the utility model;
[0021] Figure 6 It is the section view of cylinder body in the utility model;
[0022] Figure 7 It is the structure schematic view of the first clamping plate and its surface in the utility model;
[0023] Figure 8 It is the sectional view of the vertical cylinder in the utility model.
[0024] In the drawing: 1, table body; 2, fixed frame; 3, first hydraulic rod; 4, pressing block; 5, support plate; 6, second hydraulic rod; 7, clamping plate; 8, support; 9, cylinder body; 10, connecting pipe; 11, cross pipe; 12, short pipe; 13, valve; 14, vertical cylinder; 15, sealing ring; 16, blocking net; 17, piston; 18, movable rod; 19, auxiliary clamping assembly; 191, first clamping plate; 192, second clamping plate; 193, screw rod; 194, threaded sleeve; 195, hand wheel; 196, transverse groove; 197, sliding block. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 those skilled in the art without creative labor belong to the protection scope of the utility model.
[0026] Please refer to Figures 1-8 As shown in the figure, the metal material hardness detection device, including the table body 1, the top of the table body 1 is bolted with the fixed frame 2, the surface of the fixed frame 2 is bolted with the first hydraulic rod 3, the output shaft of the first hydraulic rod 3 is bolted with the pressing block 4, the device further includes the auxiliary clamping assembly 19, both sides of the top of the table body 1 are bolted with the support plate 5, the surface of the support plate 5 is throughly provided with the second hydraulic rod 6, the output shaft of the second hydraulic rod 6 is bolted with the clamping plate 7, the inside of the clamping plate 7 is provided with a plurality of vertical cylinders 14, the top end of the vertical cylinder 14 extends to the surface of the clamping plate 7 and is bonded with the sealing ring 15, the top of the table body 1 is bolted with the support 8, the surface of the support 8 is fixed with the cylinder body 9, one end of the cylinder body 9 is communicatedly provided with the connecting pipe 10, the connecting pipe 10 is designed with a hose, the inner wall of the cylinder body 9 is slidably connected with the piston 17, one side of the piston 17 is bolted with the movable rod 18, and the other end of the movable rod 18 is bolted with the clamping plate 7, the end of the connecting pipe 10 away from the cylinder body 9 is communicatedly provided with the cross pipe 11, the surface of the cross pipe 11 is communicatedly provided with a plurality of short pipes 12, and the other end of the short pipe 12 penetrates into the inside of the clamping plate 7 and is communicated with the vertical cylinder 14, the surface of the short pipe 12 is further provided with the valve 13, the inside of the vertical cylinder 14 is further bolted with the blocking net 16 above, to prevent a large amount of impurities from entering the vertical cylinder 14.
[0027] The auxiliary clamping assembly 19 comprises a first clamping plate 191, a second clamping plate 192 and a transverse groove 196, the second clamping plate 192 is bolted on one side of the surface of the clamping plate 7, the transverse groove 196 is arranged on the surface of the clamping plate 7, the inner wall of the transverse groove 196 is slidably connected with a sliding block 197, the sliding block 197 is bolted with the bottom of the first clamping plate 191, the clamping plate 7 is rotatably connected with a screw rod 193, the surface of the sliding block 197 is provided with a threaded sleeve 194, and the threaded sleeve 194 is threadedly connected with the surface of the screw rod 193, one end of the screw rod 193 extends to the outside of the clamping plate 7 and is bolted with a hand wheel 195, which is used to provide a force point on the surface of the screw rod 193, so as to rotate the screw rod 193, the length of the second clamping plate 192 is greater than that of the first clamping plate 191, if the length of the first clamping plate 191 is too long, it is easy to contact and rub with the sealing ring 15 during movement, and the length of the transverse groove 196 is less than that of the screw rod 193, and the cross section of the clamping plate 7 is designed in an L shape.
[0028] In use, first, according to the width of the measured plate, open the corresponding number of valves 13, the wider the plate, the more valves 13 are opened, and vice versa, the plate is relatively narrow, a small number of valves 13 are opened, to prevent the surface of the sealing ring 15 of the uncovered part of the plate, causing a large amount of air to enter from the outside of the vertical cylinder 14 during the air extraction process of the piston 17; open the second hydraulic rod 6 on both sides, so that the output shaft is elongated, to drive the clamping plates 7 on both sides to move closer to each other, then place the metal plate to be detected on the surface of the clamping plates 7 on both sides, and make one side close to the second clamping plate 192, at the same time, open the second hydraulic rod 6 on both sides again, so that the clamping plates 7 on both sides clamp the two sides of the metal plate, the bottom of the metal plate is in close contact with the surface of the sealing ring 15, covering the top of the vertical cylinder 14, and in the process of moving closer to each other, the clamping plates 7 on both sides drive the movable rod 18 and the piston 17 to move together, thereby increasing the internal space of the cylinder 9 away from one side of the clamping plate 7, reducing the air pressure, and then allowing part of the air in the vertical cylinder 14, short pipe 12, horizontal pipe 11 and connecting pipe 10 to enter the inside of the cylinder 9, so that the pressure in the vertical cylinder 14 is reduced, and under the action of the internal and external air pressure difference, the metal plate is adsorbed and fixed, further improving the fixing effect.
[0029] Then rotate the hand wheel 195, which drives the screw rod 193 to rotate, and then the threaded sleeve 194 on the surface of the screw rod 193 drives the sliding block 197 and the second clamping plate 192 to move together, the sliding block 197 slides along the inner wall of the transverse groove 196, and then the second clamping plate 192 is in contact with the other side of the metal plate, and under the cooperation of the first clamping plate 191 and the second clamping plate 192, the lateral clamping of the metal plate is realized, the fixing effect of the metal plate is strengthened, and the metal plate is effectively prevented from shifting during detection.
[0030] The first hydraulic rod 3 is started to make its output shaft elongate, to drive the pressing block 4 to descend and press the metal plate, and to implement the strength detection.
[0031] It is to be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. Metal material hardness detection device, comprising a table body (1), characterized in that, Also include: The support plate (5) is bolted on both sides of the top of the table body (1), the surface of the support plate (5) is provided with a second hydraulic rod (6), the output shaft of the second hydraulic rod (6) is bolted with a clamping plate (7), the inside of the clamping plate (7) is provided with a plurality of vertical cylinders (14), the top end of the vertical cylinder (14) extends to the surface of the clamping plate (7) and is bonded with a sealing ring (15); The bracket (8) is bolted on the top of the table body (1), the surface of the bracket (8) is fixed with a cylinder (9), one end of the cylinder (9) is communicated with a connecting pipe (10), the inner wall of the cylinder (9) is slidably connected with a piston (17), one side of the piston (17) is bolted with a movable rod (18), and the other end of the movable rod (18) is bolted with the clamping plate (7), the end of the connecting pipe (10) away from the cylinder (9) is communicated with a cross pipe (11), the surface of the cross pipe (11) is communicated with a plurality of short pipes (12), and the other end of the short pipe (12) penetrates into the inside of the clamping plate (7) and is communicated with the vertical cylinder (14); An auxiliary clamping assembly (19) for laterally clamping the detected piece.
2. The metal material hardness detection apparatus according to claim 1, characterized by: The auxiliary clamping assembly (19) includes a first clamping plate (191), a second clamping plate (192) and a transverse groove (196), the second clamping plate (192) is bolted on one side of the surface of the clamping plate (7), the transverse groove (196) is opened on the surface of the clamping plate (7), the inner wall of the transverse groove (196) is slidably connected with a sliding block (197), the sliding block (197) and the bottom of the first clamping plate (191) are bolted with each other, the inside of the clamping plate (7) is rotatably connected with a screw rod (193), the surface of the sliding block (197) is provided with a threaded sleeve (194), and the threaded sleeve (194) and the surface of the screw rod (193) are threadedly connected, one end of the screw rod (193) extends to the outside of the clamping plate (7) and is bolted with a hand wheel (195).
3. The metal material hardness detection apparatus according to claim 1, characterized by: The inside of the vertical cylinder (14) is also bolted with a blocking net (16).
4. The metal material hardness detection apparatus according to claim 2, characterized by: The length of the second clamping plate (192) is greater than the length of the first clamping plate (191).
5. The metal material hardness detection apparatus according to claim 1, characterized by: The surface of the short pipe (12) is also provided with a valve (13).
6. The metal material hardness detection apparatus according to claim 1, characterized by: The top of the table body (1) is bolted with a fixing frame (2), the surface of the fixing frame (2) is bolted with a first hydraulic rod (3), the output shaft of the first hydraulic rod (3) is bolted with a pressing block (4).