Blade hardness detection mechanism

Abstract

The utility model relates to the technical field of blade hardness, and discloses a blade hardness detection mechanism which comprises a detection table, a first three-jaw chuck is installed on one side of the upper end of the detection table in a sliding mode, a second three-jaw chuck is installed on the other side of the upper end of the detection table in a sliding mode, and a supporting frame is welded to the other side of the upper end of the detection table. A servo motor is fixedly installed on one side of the upper end of the supporting frame. According to the technical scheme, the cam rod on the transmission rod can continuously push the straight plate, meanwhile, the straight plate moves up and down in a reciprocating mode through cooperation with the spring in the sliding groove, the lower pressing block on the straight plate continuously conducts beating detection on the hardness of the carton grooving cutter below, and in the rotating process of the transmission rod, the hardness of the carton grooving cutter can be detected. And a pull rope is wound by a winding reel on a transmission rod, and the pull rope drives a three-jaw chuck to slowly move leftwards, so that the full length of the carton grooving cutter is continuously and slowly knocked and detected, and the detection accuracy of the carton grooving cutter is further ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of blade hardness, in particular to a blade hardness detection mechanism. Background Art

[0002] The hardness of carton slotting knives is usually expressed in HRC. Generally speaking, the hardness of carton slotting knives should be around 60-62HRC. The hardness within this range can ensure both the cutting performance of the tool and the strength and life of the tool. Hardness is an important factor affecting the performance of corrugated carton slotting knives. Specifically, the hardness will affect the cutting performance, strength and wear resistance of the tool.

[0003] When implementing this technical solution, there are at least the following defects: although the existing carton slotting knives are equipped with factory inspection after production, the efficiency of hardness inspection of carton slotting knives is not ideal, and it is impossible to perform hardness inspection on the entire length of the carton slotting knives, which urgently needs to be improved. Therefore, we propose a blade hardness inspection mechanism. Utility Model Content

[0004] The purpose of the utility model is to provide a blade hardness detection mechanism, which solves the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a blade hardness testing mechanism, comprising a testing platform, a three-jaw chuck 1 is slidably mounted on one side of the upper end of the testing platform, a three-jaw chuck 2 is slidably mounted on the other side of the upper end of the testing platform, a support frame is welded on the other side of the upper end of the testing platform, a servo motor is fixedly mounted on one side of the upper end of the support frame, and a transmission rod is mounted on the output end of the servo motor;

[0006] A straight plate is arranged on the inner side of the support frame, a lower pressing block is fixedly installed on one side of the lower end of the straight plate, a sliding groove is opened on the inner side of the support frame, a sliding block is fixedly installed on the other end of the straight plate, and a winding drum is fixedly installed on one end of the transmission rod.

[0007] By adopting the above technical scheme, the cam rod on the transmission rod can continuously push the straight plate, and at the same time cooperate with the spring in the slide groove to make the straight plate move up and down, so that the lower pressure block on the straight plate can continuously knock and test the hardness of the carton slotting knife below, and during the rotation of the transmission rod, the winding drum on the transmission rod can reel in the pull rope, and the pull rope drives the three-jaw chuck to move slowly to the left, thereby continuously and slowly knocking and testing the entire length of the carton slotting knife, further ensuring the detection accuracy of the carton slotting knife.

[0008] Optionally, the size of the slider matches the size of the slide groove, and the slider is slidably connected to the slide groove.

[0009] By adopting the above technical solution, the slider cooperates with the slide groove, so as to ensure the stability of the straight board and facilitate the movement of the straight board.

[0010] Optionally, a cam rod is fixedly mounted on the other side of the transmission rod, and the cam rod is arranged above the straight plate.

[0011] By adopting the above technical solution and setting the cam rod, it is convenient for the cam rod to continuously push the straight plate.

[0012] Optionally, a spring is fixedly installed in the inner cavity of the slide groove, and the other end of the spring is fixedly connected to the slider.

[0013] By adopting the above technical solution, it is convenient to reset the slider by the spring through the setting of the spring.

[0014] Optionally, the size of the three-jaw chuck one is the same as the size of the three-jaw chuck two.

[0015] By adopting the above technical solution, it is convenient to cooperate with the three-jaw chuck one and the three-jaw chuck two, so that the carton slotting knife can be limited.

[0016] Optionally, a pull rope is wound around the outer wall of the winding drum, and the other end of the pull rope passes around the guide wheel and is fixedly connected to the three-jaw chuck.

[0017] By adopting the above technical solution, it is convenient to pull and move the three-jaw chuck by setting the pull rope.

[0018] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0019] The technical solution of the present application, through the provision of a testing table, a support frame, a servo motor, a cam rod, a pressure block, a pull rope and a winding reel, can not only enable the cam rod on the transmission rod to continuously push the straight plate, and cooperate with the spring in the slide groove to make the straight plate move up and down reciprocatingly, so that the pressure block on the straight plate can continuously knock and test the hardness of the carton slotting knife below, but also can make the winding reel on the transmission rod to reel in the pull rope during the rotation of the transmission rod, and the pull rope drives the three-jaw chuck to move slowly to the left, thereby continuously and slowly knocking and testing the entire length of the carton slotting knife, thereby further ensuring the detection accuracy of the carton slotting knife. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0021] Figure 1 This is a schematic diagram of the overall structure of a blade hardness detection mechanism of the utility model;

[0022] Figure 2 It is a schematic diagram of the partially enlarged structure of position A of a blade hardness detection mechanism of the utility model.

[0023] In the figure: 1. testing table; 11. three-jaw chuck one; 12. three-jaw chuck two; 13. support frame; 2. servo motor; 21. transmission rod; 22. cam rod; 23. straight plate; 24. lower pressure block; 25. slide groove; 26. slider; 27. spring; 3. pull rope; 4. winding drum. DETAILED DESCRIPTION

[0024] See also Figure 1-2 The utility model provides a technical solution: a blade hardness testing mechanism, comprising a testing platform 1, a three-jaw chuck 11 is slidably mounted on one side of the upper end of the testing platform 1, a three-jaw chuck 2 12 is slidably mounted on the other side of the upper end of the testing platform 1, a support frame 13 is welded on the other side of the upper end of the testing platform 1, a servo motor 2 is fixedly mounted on one side of the upper end of the support frame 13, and a transmission rod 21 is mounted on the output end of the servo motor 2;

[0025] A straight plate 23 is provided on the inner side of the support frame 13, and a lower pressure block 24 is fixedly installed on one side of the lower end of the straight plate 23. A slide groove 25 is opened on the inner side of the support frame 13, and a slider 26 is fixedly installed on the other end of the straight plate 23. A winding drum 4 is fixedly installed on one end of the transmission rod 21, and a spring 27 is fixedly installed in the inner cavity of the slide groove 25. The other end of the spring 27 is fixedly connected with the slider 26, which is convenient for the spring 27 to drive the slider 26 to reset through the setting of the spring 27. The size of the three-jaw chuck 11 is the same as that of the three-jaw chuck 212, which is convenient for the three-jaw chuck 11 to cooperate with the three-jaw chuck 212, so that the carton slotting knife can be limited. A pull rope 3 is wound around the outer wall of the winding drum 4, and the other end of the pull rope 3 bypasses the guide wheel and is fixedly connected to the three-jaw chuck 11, which is convenient for the pull rope 3 to pull and move the three-jaw chuck 11 through the setting of the pull rope 3.

[0026] The size of the slider 26 matches the size of the slide groove 25 , and the slider 26 is slidably connected to the slide groove 25 . The slider 26 cooperates with the slide groove 25 , thereby ensuring the stability of the straight board 23 and facilitating the movement of the straight board 23 .

[0027] A cam rod 22 is fixedly mounted on the other side of the transmission rod 21 , and the cam rod 22 is arranged above the straight plate 23 . The arrangement of the cam rod 22 facilitates the cam rod 22 to continuously push the straight plate 23 .

[0028] During the inspection, first place the carton slotting knife between the three-jaw chuck 11 and the three-jaw chuck 2 12, clamp and fix the two ends of the carton slotting knife by the three-jaw chuck 11 and the three-jaw chuck 2 12, and then turn on the servo motor 2, the servo motor 2 drives the transmission rod 21 to rotate forward, so that the cam rod 22 on the transmission rod 21 continuously pushes the straight plate 23, and at the same time cooperates with the spring 27 in the slide groove 25, so that the straight plate 23 moves back and forth up and down, so that the lower pressure block 24 on the straight plate 23 continuously taps and tests the hardness of the carton slotting knife below, and at the same time, during the rotation of the transmission rod 21, the winding drum 4 on the transmission rod 21 reels the pull rope 3, and the pull rope 3 drives the three-jaw chuck 11 to move slowly to the left, thereby continuously and slowly tapping and testing the full length of the carton slotting knife, further ensuring the detection accuracy of the carton slotting knife.

Claims

1. A blade hardness testing mechanism, comprising a testing platform (1), characterized in that: A three-jaw chuck 1 (11) is slidably mounted on one side of the upper end of the detection platform (1), a three-jaw chuck 2 (12) is slidably mounted on the other side of the upper end of the detection platform (1), a support frame (13) is welded to the other side of the upper end of the detection platform (1), a servo motor (2) is fixedly mounted on one side of the upper end of the support frame (13), and a transmission rod (21) is mounted on the output end of the servo motor (2); A straight plate (23) is arranged on the inner side of the support frame (13), a lower pressure block (24) is fixedly installed on one side of the lower end of the straight plate (23), a slide groove (25) is opened on the inner side of the support frame (13), a slider (26) is fixedly installed on the other end of the straight plate (23), a winding drum (4) is fixedly installed on one end of the transmission rod (21), a cam rod (22) is fixedly installed on the other side of the transmission rod (21), and the cam rod (22) is arranged above the straight plate (23), a spring (27) is fixedly installed in the inner cavity of the slide groove (25), the other end of the spring (27) is fixedly connected to the slider (26), a pull rope (3) is wound around the outer wall of the winding drum (4), and the other end of the pull rope (3) is passed around the guide wheel and is fixedly connected to the three-jaw chuck (11).

2. A blade hardness detection mechanism according to claim 1, characterized in that: The size of the slider (26) matches the size of the slide groove (25), and the slider (26) is slidably connected to the slide groove (25).

3. A blade hardness detection mechanism according to claim 1, characterized in that: The size of the three-jaw chuck one (11) is the same as the size of the three-jaw chuck two (12).

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