Tension testing device for metal casting

Abstract

The utility model discloses a metal casting tension testing device, relates to the technical field of metal casting testing, and solves the problems that a currently arranged pull ring can only perform tension testing on a rod-shaped forge piece, when a block-shaped forge piece needs to be detected, a clamp needs to be frequently replaced, different types of forge pieces are inconvenient to process and test according to needs, and the test efficiency is high. The technical problems that in the tensile test process, part of metal parts are fractured and splashed, and potential dangers are caused to workers are solved. Comprising a workbench, and a rectangular box is fixedly mounted in the middle of the top end of the workbench; the metal casting detection device not only can be used for rod-shaped metal castings, but also can be used for detecting blocky metal castings, and can be used for detecting different types of metal castings, so that the application range is greatly widened, the condition of splashing caused by breakage of the metal castings is avoided, and the personal health of workers is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of metal casting testing, in particular to a metal casting tension testing device. Background Art

[0002] Castings are metal shaped objects obtained by various casting methods, that is, the smelted liquid metal is poured into a pre-prepared mold by pouring, injection, suction or other casting methods, and then cooled and polished to obtain objects with a certain shape, size and performance. Metal castings need to be subjected to tensile testing before they are produced and shipped, so tensile testing devices are used.

[0003] According to the "Metal Aluminum Forging Tensile Test Device" provided by China Patent Authorization Announcement No. CN218157286U, the forging is passed through the pull ring, and then the rotating threaded rod is rotated respectively to make the fixed block move downward, thereby tightly fixing the two ends of the forging, and the forging is subjected to a tensile test in conjunction with the tensile setting. However, the set pull ring can only perform tensile tests on rod-shaped forgings. When it is necessary to test block-shaped forgings, the fixture needs to be frequently replaced, which is not convenient for processing and testing different types of forgings as needed. In addition, the test device is open, and during the tensile test, some metal parts may break and splash, causing potential danger to the staff.

[0004] Therefore, a metal casting tensile testing device is designed to solve the above problems. Utility Model Content

[0005] The utility model provides a metal casting tensile testing device, which solves the problem that the set pull ring can only perform tensile testing on rod-shaped forgings. When block forgings need to be tested, the clamps need to be frequently replaced, which is inconvenient for processing and testing different types of forgings according to needs. In addition, the testing device is openly set, and during the tensile test, some metal parts may break and splash, causing potential dangers to the staff.

[0006] In order to solve the above technical problems, the utility model provides a metal casting tensile testing device, including a workbench, a rectangular box is fixedly installed in the middle of the top of the workbench, a hydraulic cylinder is fixedly installed in the middle of the top of the rectangular box, a hydraulic rod of the hydraulic cylinder passes through the rectangular box and is fixedly connected to a guide plate arranged inside the rectangular box, a tension sensor is fixedly installed at the bottom end of the guide plate, the tension part of the tension sensor and the middle of the bottom end of the inner wall of the rectangular box are fixedly installed with a fixed box, two fixed boxes are rotatably connected with a bidirectional screw rod inside, both ends of the two bidirectional screw rods are threadedly connected to a moving plate through a screw rod nut, a clamping plate is fixedly installed at the bottom end of each two corresponding moving plates, and a groove is opened on the surface of each two corresponding clamping plates, a protective door is hinged on one side of the front of the rectangular box through two hinges, an observation window is fixedly installed in the middle of the protective door, an installation box is fixedly installed on one side of the two fixed boxes, one end of the two bidirectional screw rods passes through the fixed box and is fixedly connected to the worm arranged inside the installation box.

[0007] Preferably, the interiors of the two installation boxes are rotatably connected with rotating rods, the middle parts of the two rotating rods are fixedly installed with worm gears, the two worm gears are meshingly connected with the worm gears, the middle parts of the top parts of the two installation boxes are fixedly installed with forward and reverse motors, and the transmission shafts of the two forward and reverse motors pass through the installation boxes and are fixedly connected to the top parts of the rotating rods.

[0008] Preferably, guide blocks are fixedly mounted on both sides of the guide plate, and guide grooves matching the guide blocks are formed on both sides of the inner wall of the rectangular box.

[0009] Preferably, a slider is fixedly mounted on one end of each two corresponding movable plates, and a slide groove matching the slider is formed on the inner walls of the two fixed boxes.

[0010] Preferably, a control panel is fixedly mounted on one side of the top of the workbench, a display screen is fixedly mounted on the surface of the control panel, and the control panel is electrically connected to the tension sensor, the hydraulic cylinder and the forward and reverse motor.

[0011] Compared with the related art, the metal casting tensile testing device provided by the utility model has the following beneficial effects:

[0012] The utility model provides a metal casting tension testing device. The bottom end of the metal casting is placed between two clamping plates arranged at the bottom, and a forward and reverse motor is used to drive a rotating rod and a worm gear to rotate. The worm is matched with the bidirectional screw rod to rotate, so that the two movable plates and the two clamping plates move in opposite directions in the horizontal direction at the same time, so that the bottom of the metal casting is clamped and fixed. The hydraulic cylinder and the two clamping plates arranged at the top are matched with each other, so that the top of the metal casting is clamped and fixed. The hydraulic cylinder and the tension sensor are matched with each other, so that the metal casting is tension tested. The grooves arranged on the clamping plates can be used not only for rod-shaped metal castings, but also for block-shaped metal castings. Different types of metal castings can be tested and used, and the scope of use is greatly improved.

[0013] By setting a hinged protective door on the surface of the rectangular box, cooperating with a magnet block and an iron sheet, it is convenient to close the protective door, and convenient to open it with a handle, thereby avoiding the occurrence of splashing when the metal casting breaks and protecting the health of the workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is an enlarged structural schematic diagram of A of the utility model;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the fixed box of the utility model;

[0017] Figure 4 It is an enlarged structural schematic diagram of B of the utility model.

[0018] Numbers in the figure: 1. Workbench; 2. Rectangular box; 3. Hydraulic cylinder; 4. Guide plate; 5. Tension sensor; 6. Fixed box; 7. Installation box; 8. Bidirectional screw; 9. Moving plate; 10. Clamp; 11. Groove; 12. Protective door; 13. Observation window; 14. Worm; 15. Rotating rod; 16. Worm gear; 17. Forward and reverse motor; 18. Slider; 19. Magnet block; 20. Iron sheet; 21. Handle; 22. Control panel; 23. Guide block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described 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, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 A metal casting tensile testing device comprises a workbench 1, a rectangular box 2 is fixedly installed in the middle of the top of the workbench 1, a hydraulic cylinder 3 is fixedly installed in the middle of the top of the rectangular box 2, a hydraulic rod of the hydraulic cylinder 3 passes through the rectangular box 2 and is fixedly connected to a guide plate 4 arranged inside the rectangular box 2, a tension sensor 5 is fixedly installed at the bottom end of the guide plate 4, a fixed box 6 is fixedly installed at the tension part of the tension sensor 5 and the middle of the bottom end of the inner wall of the rectangular box 2, two fixed boxes 6 are rotatably connected with a bidirectional screw rod 8 inside, two ends of the two bidirectional screw rods 8 are threadedly connected with a moving plate 9 through a screw nut, a clamping plate 10 is fixedly installed at the bottom end of each two corresponding moving plates 9, and a groove 11 is opened on the surface of each two corresponding clamping plates 10, a protective door 12 is hinged on one side of the front of the rectangular box 2 through two hinges, an observation window 13 is fixedly installed in the middle of the protective door 12, an installation box 7 is fixedly installed on one side of the two fixed boxes 6, one end of the two bidirectional screw rods 8 passes through the fixed box 6 and is fixedly connected to a worm 14 arranged inside the installation box 7.

[0021] See also Figure 4 The interior of the two installation boxes 7 is rotatably connected with a rotating rod 15, and a worm wheel 16 is fixedly installed in the middle of the two rotating rods 15. The two worms 14 are meshed with the worm wheel 16. The middle of the top of the two installation boxes 7 is fixedly installed with a forward and reverse motor 17. The transmission shafts of the two forward and reverse motors 17 pass through the installation box 7 and are fixedly connected to the top of the rotating rod 15, so that the rotating rod 15 and the worm wheel 16 can be driven to rotate by the forward and reverse motor 17, thereby driving the worm 14 and the corresponding bidirectional screw 8 to rotate in the forward and reverse directions.

[0022] See also Figure 1 Two magnet blocks 19 can be embedded on the right side of the front of the rectangular box 2, and two iron sheets 20 are fixedly installed on the surface of the protective door 12. The two magnet blocks 19 are magnetically connected to the iron sheets 20. A handle 21 is fixedly installed on the surface of the protective door 12 to facilitate the buckling between the protective door 12 and the rectangular box 2 to play a protective role. Of course, the protective door 12 can also be locked by other means, such as a commonly used door lock structure.

[0023] See also Figure 1 Guide blocks 23 are fixedly installed on both sides of the guide plate 4, and guide grooves matching the guide blocks 23 are opened on both sides of the inner wall of the rectangular box 2 to facilitate the movement of the guide plate 4.

[0024] See also Figure 4A slider 18 is fixedly installed at one end of each two corresponding movable plates 9, and the inner walls of the two fixed boxes 6 are provided with a slide groove matching the slider 18, which is convenient for limiting and guiding the set movable plates 9, so that the corresponding movable plates 9 can move in the horizontal direction.

[0025] See also Figure 1 A control panel 22 is fixedly mounted on one side of the top of the workbench 1, and a display screen is fixedly mounted on the surface of the control panel 22. The control panel 22 is electrically connected to the tension sensor 5, the hydraulic cylinder 3 and the forward and reverse motor 17, so as to facilitate the control of the operation of various electrical appliances.

[0026] In summary, in the present invention, when working, the bottom end of the metal casting is placed between the two clamping plates 10 at the bottom, and the forward and reverse motor 17 set at the bottom is controlled to drive the rotating rod 15 to work, and cooperate with the worm wheel 16 and the worm 14, thereby driving the bidirectional screw 8 to rotate, and cooperate with the screw nut and the slider 18, so that the two moving plates 9 and the two clamping plates 10 can move in opposite directions at the same time, so that the bottom of the metal casting can be clamped and fixed, and then the guide plate 4, the tension sensor 5 and the fixed box 6 set at the top are driven to move by controlling the extension of the hydraulic rod of the hydraulic cylinder 3. , repeat the above steps, control the forward and reverse motor 17 set on the top to work, so that the two clamps 10 at the top clamp the top of the metal casting, and then close the protective door 12, cooperate with the magnetically connected magnet block 19 and the iron sheet 20 to fix the protective door 12 to avoid the metal casting from breaking and splashing, protect the health of the staff, then control the hydraulic cylinder 3 hydraulic rod to extend and retract, cooperate with the tension sensor 5 to perform tension detection on the clamped metal casting, and cooperate with the display screen to perform detection, and finally repeat the above steps to remove the metal casting for tension detection.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metal casting tensile testing device, comprising a workbench (1), characterized in that: A rectangular box (2) is fixedly installed in the middle of the top of the workbench (1), a hydraulic cylinder (3) is fixedly installed in the middle of the top of the rectangular box (2), a hydraulic rod of the hydraulic cylinder (3) passes through the rectangular box (2) and is fixedly connected to a guide plate (4) arranged inside the rectangular box (2), a tension sensor (5) is fixedly installed at the bottom end of the guide plate (4), a fixed box (6) is fixedly installed at the tension part of the tension sensor (5) and the middle of the bottom end of the inner wall of the rectangular box (2), two fixed boxes (6) are rotatably connected inside with a bidirectional screw rod (8), and both ends of the two bidirectional screw rods (8) are connected to the workbench (1). A movable plate (9) is threadedly connected through a screw nut, a clamping plate (10) is fixedly installed at the bottom end of each two corresponding movable plates (9), and a groove (11) is opened on the surface of each two corresponding clamping plates (10). A protective door (12) is hinged on one side of the front of the rectangular box (2) through two hinges, and an observation window (13) is fixedly installed in the middle of the protective door (12). An installation box (7) is fixedly installed on one side of the two fixed boxes (6), and one end of the two bidirectional screws (8) passes through the fixed box (6) and is fixedly connected to a worm (14) arranged inside the installation box (7).

2. A metal casting tensile testing device according to claim 1, characterized in that: The insides of the two installation boxes (7) are both rotatably connected with a rotating rod (15), the middle parts of the two rotating rods (15) are both fixedly installed with a worm wheel (16), the two worms (14) are both meshingly connected with the worm wheel (16), the middle parts of the top ends of the two installation boxes (7) are both fixedly installed with a forward and reverse motor (17), and the transmission shafts of the two forward and reverse motors (17) pass through the installation boxes (7) and are fixedly connected with the top ends of the rotating rods (15).

3. A metal casting tensile testing device according to claim 1, characterized in that: Guide blocks (23) are fixedly mounted on both sides of the guide plate (4), and guide grooves matching the guide blocks (23) are provided on both sides of the inner wall of the rectangular box (2).

4. A metal casting tensile testing device according to claim 1, characterized in that: A slider (18) is fixedly mounted on one end of each of the two corresponding movable plates (9), and a slide groove matching the slider (18) is provided on the inner walls of the two fixed boxes (6).

5. A metal casting tensile testing device according to claim 2, characterized in that: A control panel (22) is fixedly mounted on one side of the top of the workbench (1), a display screen is fixedly mounted on the surface of the control panel (22), and the control panel (22) is electrically connected to the tension sensor (5), the hydraulic cylinder (3) and the forward and reverse motor (17).

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