Metal surface coating hardness tester

Abstract

The utility model relates to the technical field of hardness testing, in particular to a metal surface coating hardness tester which comprises a base and a limiting mechanism, the limiting mechanism comprises a lifting unit, a lifting plate, a detection unit and a fixing assembly, the lifting unit is fixedly connected with the base, the lifting plate is fixedly connected with the lifting unit, the detection unit is fixedly connected with the base, the fixing assembly comprises an adjusting part, an extending plate, a fixing plate, a first air cylinder, an abutting frame and a pressing part, and the adjusting part is slidably connected with the lifting plate. The extension plate is fixedly connected with the detection unit, the fixing plate is fixedly connected with the extension plate, the first air cylinder is fixedly connected with the fixing plate, the abutting frame is fixedly connected with the output end of the first air cylinder, and the pressing piece is fixedly connected with the abutting frame, so that detection metal can be effectively fixed, and the displacement phenomenon of the detection metal in operation is avoided; and the accuracy of detection data and the safety of operators are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hardness test technical field especially relates to a metal surface coating hardness tester. BACKGROUND

[0002] Metal surface coating hardness tester is a kind of professional equipment for measuring the hardness of metal surface coating, and hardness is the ability of material to resist harder objects to press into its surface, according to the different test methods and adaptability, hardness unit can be divided into brinell hardness, Vickers hardness, Rockwell hardness, micro Vickers hardness and many others, different units have different measurement methods, applicable to different materials and occasions, and the coating hardness test of the present mostly adopts that test personnel manually pulls test instrument to test, and the operation is cumbersome, which increases the workload of test personnel.

[0003] To solve the above problems, the prior art patent (CN214472491U) discloses a transfer bright gold card coating hardness tester, the support column is fixedly connected with the base and located above the base, a sliding groove is formed in the support column, the motor is fixedly connected with the base and located inside the base, one end of the threaded rod is fixedly connected with the output end of the motor, the other end of the threaded rod passes through the support column and is placed in the sliding groove, the sliding block is sleeved on the threaded rod, the mounting plate is fixedly connected with the sliding block and located on one side of the sliding block, the display is fixedly connected with the base and located above the base, the air cylinder is fixedly connected with the mounting plate and located above the mounting plate, the bottom plate is fixedly connected with the base and located above the base, through the above structure, hardness test can be automatically performed without manually pulling the detection instrument by the test personnel during hardness test, the operation is simple, and the workload of the test personnel is reduced.

[0004] However, in the above prior art, the metal is directly placed on the detection table of the tester, which can easily cause displacement of the metal during detection, affecting the accuracy of the detection data, and the displacement of the metal can easily cause injury to the operating personnel. SUMMARY

[0005] The utility model aims at providing a kind of metal surface coating hardness tester, solve the prior art in directly placing metal on the detection table of tester, it is easy to cause displacement of metal during detection, affect the accuracy of detection data, and the displacement of metal can easily cause injury to the operating personnel technical problem.

[0006] The utility model discloses a kind of metal surface coating hardness testing instruments to achieve the above-mentioned purpose, including base and restriction mechanism;The restriction mechanism includes lifting unit, lifting plate, detection unit and fixed assembly, the lifting unit is fixedly connected with the base, and is located above the base, the lifting plate is fixedly connected with the lifting unit, and is located the outside of the lifting unit, the detection unit is fixedly connected with the base, and is located below the lifting plate, the fixed assembly includes adjusting piece, extension plate, fixed plate, first air cylinder, holding frame and down piece, the adjusting piece is slidably connected with the lifting plate, and is located in the lifting plate, the extension plate is fixedly connected with the detection unit, and is located the outside of the detection unit, the fixed plate is fixedly connected with the extension plate, and is located above the extension plate, the first air cylinder is fixedly connected with the fixed plate, and is located the outside of the fixed plate, the holding frame is fixedly connected with the output end of the first air cylinder, and is located the side of the fixed plate away from the first air cylinder, the down piece is fixedly connected with the holding frame, and penetrates the holding frame.

[0007] Wherein, the adjusting piece includes drive motor, drive rod and adjusting block, the drive motor is fixedly connected with one end of the drive rod, and is located the outside of the lifting plate, the drive rod is rotatably connected with the lifting plate, and is located in the lifting plate, and the drive rod surface has screw thread, the adjusting block is threadedly connected with the drive rod, and is located the outside of the drive rod.

[0008] Wherein, the adjusting piece further includes fixed block and test unit, the fixed block is fixedly connected with the adjusting block, and is located the outside of the adjusting block, the test unit is fixedly connected with the fixed block, and penetrates the fixed block.

[0009] Wherein, the adjusting piece further includes side block and auxiliary rod, the side block is fixedly connected with the fixed block, and is located the side of the fixed block away from the adjusting block, the auxiliary rod is slidably connected with the side block, and penetrates the side block.

[0010] Wherein, the down piece includes second air cylinder, down plate and limit rod, the second air cylinder is fixedly connected with the holding frame, and is located above the holding frame, the down plate is fixedly connected with the output end of the second air cylinder, and is located in the holding frame, the limit rod is slidably connected with the holding frame, and is located above the down plate, and the limit rod penetrates the holding frame.

[0011] The utility model discloses a metal surface coating hardness tester, when using specifically, the detection metal is placed in the top of detection unit, the first air cylinder is fixed to the outside of fixed plate, the first air cylinder promotes the resistance frame to realize the resistance of detection metal, the lower pressing piece presses down detection metal, realizes the complete fixation of detection metal, the lifting unit drives the lifting plate to drop, the adjusting piece realizes the test operation of detection metal, and this method can effectively solve the problem that the displacement phenomenon of metal detection can influence the accuracy of detection data. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing make a simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0013] Figure 1 It is a metal surface coating hardness tester's structural schematic diagram of the utility model.

[0014] Figure 2 It is a metal surface coating hardness tester's perspective view of the utility model.

[0015] Figure 3 It is a metal surface coating hardness tester's front view of the utility model.

[0016] Figure 4 It is the A-A line structure section view of the utility model's Figure 3

[0017] 101-base, 102-lifting unit, 103-lifting plate, 104-detection unit, 105-driving motor, 106-driving rod, 107-adjusting block, 108-fixed block, 109-test unit, 110-side block, 111-assistant rod, 112-extension plate, 113-fixed plate, 114-first air cylinder, 115-resistance frame, 116-second air cylinder, 117-pressing plate, 118-limit rod. DETAILED DESCRIPTION

[0018] The embodiment of the utility model is described in detail below, the example of the embodiment is shown in the drawings, the embodiment described below by referring to the drawings is exemplary, and it is used to explain the utility model, and can not be understood as the limitation of the utility model.

[0019] Please refer to Figures 1-4 Among them, Figure 1 ​It is a structural schematic view of a metal surface coating hardness tester, Figure 2 It is a perspective view of a metal surface coating hardness tester, Figure 3 It is a front view of a metal surface coating hardness tester, Figure 4 It is a metal surface coating hardness tester, Figure 3 A-A line structure section view.

[0020] The utility model provides a kind of metal surface coating hardness tester, including base 101 and limiting mechanism, the limiting mechanism includes lifting unit 102, lifting plate 103, detection unit 104 and fixed assembly, the fixed assembly includes adjusting piece, extension plate 112, fixed plate 113, first air cylinder 114, support frame 115 and down pressure piece, the adjusting piece includes drive motor 105, drive rod 106, adjusting block 107, fixed block 108, test unit 109, side block 110 and auxiliary rod 111, the down pressure piece includes second air cylinder 116, down pressure plate 117 and limit rod 118, the foregoing scheme solves the problem that metal is placed directly on the detection table of tester, easy to cause displacement phenomenon when metal detection, affect the accuracy of detection data, and metal displacement is prone to cause the problem of misoperation personnel.

[0021] For this specific embodiment, the lifting unit 102 is fixedly connected with the base 101 and located above the base 101, the lifting plate 103 is fixedly connected with the lifting unit 102 and located outside the lifting unit 102, the detection unit 104 is fixedly connected with the base 101 and located below the lifting plate 103, the fixing assembly comprises an adjusting piece, an extension plate 112, a fixing plate 113, a first air cylinder 114, a supporting frame 115 and a pressing piece, the adjusting piece is slidingly connected with the lifting plate 103 and located in the lifting plate 103, the extension plate 112 is fixedly connected with the detection unit 104 and located outside the detection unit 104, the fixing plate 113 is fixedly connected with the extension plate 112 and located above the extension plate 112, the first air cylinder 114 is fixedly connected with the fixing plate 113 and located outside the fixing plate 113, the supporting frame 115 is fixedly connected with the output end of the first air cylinder 114 and located on the side of the fixing plate 113 away from the first air cylinder 114, and the pressing piece is fixedly connected with the supporting frame 115 and penetrates through the supporting frame 115. The lifting unit 102 and the detection unit 104 have been described in the prior art CN214472491U, the lifting unit 102 drives the lifting plate 103 to rise and fall through the motor, and the detection unit 104 is used for placing and detecting the detected metal, so the description is omitted. The detected metal is placed above the detection unit 104, the fixing plate 113 is fixed above the extension plate 112, the first air cylinder 114 is fixed outside the fixing plate 113, the first air cylinder 114 drives the supporting frame 115 to support the detected metal, the pressing piece presses the detected metal to completely fix the detected metal, the lifting unit 102 drives the lifting plate 103 to descend, and the adjusting piece realizes the test of the detected metal. This method can effectively solve the problem that the displacement of the metal during detection will affect the accuracy of the detection data.

[0022] Wherein, the driving motor 105 is fixedly connected with one end of the driving rod 106 and located outside the lifting plate 103, the driving rod 106 is rotatably connected with the lifting plate 103 and located in the lifting plate 103, and the surface of the driving rod 106 has threads, the adjusting block 107 is threadedly connected with the driving rod 106 and located outside the driving rod 106, the driving motor 105 drives the driving rod 106 to rotate, and the driving rod 106 drives the adjusting block 107 to slide in the lifting plate 103.

[0023] Secondly, the fixed block 108 is fixedly connected with the adjusting block 107 and located outside the adjusting block 107, the test unit 109 is fixedly connected with the fixed block 108 and penetrates through the fixed block 108, the adjusting block 107 drives the fixed block 108 to adjust, the test unit 109 has been described in the prior art CN214472491U and is used for applying downward pressure to the detection metal, and the fixed block 108 drives the test unit 109 to adjust synchronously.

[0024] Meanwhile, the side block 110 is fixedly connected with the fixed block 108 and located on the side, away from the adjusting block 107, of the fixed block 108, the auxiliary rod 111 is slidingly connected with the side block 110 and penetrates through the side block 110, the fixed block 108 drives the side block 110 to move synchronously, and the side block 110 slides outside the auxiliary rod 111, so that the fixed block 108 is stably adjusted.

[0025] In addition, the second cylinder 116 is fixedly connected with the bearing frame 115 and located above the bearing frame 115, the downward pressing plate 117 is fixedly connected with the output end of the second cylinder 116 and located in the bearing frame 115, the limiting rod 118 is slidingly connected with the bearing frame 115 and located above the downward pressing plate 117, and the limiting rod 118 penetrates through the bearing frame 115, the second cylinder 116 is fixed above the bearing frame 115, the second cylinder 116 pushes the downward pressing plate 117 downward, the downward pressing plate 117 realizes downward pressing and fixing of the detection metal, the downward pressing plate 117 drives the limiting rod 118 to move synchronously, the limiting rod 118 slides with the bearing frame 115, and the downward pressing plate 117 is stably pressed downward.

[0026] The metal surface coating hardness tester using the embodiment is used, the lifting unit 102, the lifting plate 103, the detection unit 104 and the fixed assembly are arranged, in specific use, the detection metal is placed above the detection unit 104, the first cylinder 114 drives the bearing frame 115 to realize bearing of the detection metal, the second cylinder 116 drives the downward pressing plate 117 to press downward, the downward pressing plate 117 realizes downward pressing and fixing of the detection metal, the driving motor 105 drives the driving rod 106 to rotate, the adjusting block 107 drives the fixed block 108 to adjust, the test unit 109 adjusts the detection position, the lifting unit 102 drives the lifting plate 103 to descend, and the test unit 109 cooperates with the detection unit 104 to realize the test operation of the metal surface coating hardness, so that the detection metal can be effectively fixed, displacement of the detection metal in the operation is avoided, and the accuracy of the detection data and the safety of the operation personnel are effectively improved.

[0027] The above only discloses a preferred embodiment of the utility model, of course, cannot limit the scope of the utility model by this, the person skilled in the art can understand that the whole or part of the processes of the above-mentioned embodiments are realized, and the equivalent changes made according to the utility model claims still belong to the range covered by the utility model.

Claims

1. A metal surface coating hardness tester comprising a base, characterized in that, It also includes a limiting mechanism; The limiting mechanism comprises a lifting unit, a lifting plate, a detection unit and a fixing assembly, the lifting unit is fixedly connected with the base and located above the base, the lifting plate is fixedly connected with the lifting unit and located outside the lifting unit, the detection unit is fixedly connected with the base and located below the lifting plate, the fixing assembly comprises an adjusting piece, an extension plate, a fixed plate, a first air cylinder, a supporting frame and a pressing piece, the adjusting piece is slidingly connected with the lifting plate and located in the lifting plate, the extension plate is fixedly connected with the detection unit and located outside the detection unit, the fixed plate is fixedly connected with the extension plate and located above the extension plate, the first air cylinder is fixedly connected with the fixed plate and located outside the fixed plate, the supporting frame is fixedly connected with the output end of the first air cylinder and located on the side of the fixed plate away from the first air cylinder, and the pressing piece is fixedly connected with the supporting frame and penetrates through the supporting frame.

2. The metal surface coating hardness tester of claim 1, characterized in that, The adjusting piece comprises a drive motor, a drive rod and an adjusting block, the drive motor is fixedly connected with one end of the drive rod and located outside the lifting plate, the drive rod is rotatably connected with the lifting plate and located in the lifting plate, and the surface of the drive rod has threads, and the adjusting block is threadedly connected with the drive rod and located outside the drive rod.

3. The metal surface coating hardness tester of claim 2, characterized in that, The adjusting piece further comprises a fixed block and a testing unit, the fixed block is fixedly connected with the adjusting block and located outside the adjusting block, and the testing unit is fixedly connected with the fixed block and penetrates through the fixed block.

4. The metal surface coating hardness tester of claim 3, characterized in that, The adjusting piece further comprises a side block and an auxiliary rod, the side block is fixedly connected with the fixed block and located on the side of the fixed block away from the adjusting block, and the auxiliary rod is slidingly connected with the side block and penetrates through the side block.

5. The metal surface coating hardness tester of claim 4, characterized in that, The pressing piece comprises a second air cylinder, a pressing plate and a limiting rod, the second air cylinder is fixedly connected with the supporting frame and located above the supporting frame, the pressing plate is fixedly connected with the output end of the second air cylinder and located in the supporting frame, the limiting rod is slidingly connected with the supporting frame and located above the pressing plate, and the limiting rod penetrates through the supporting frame.

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