Low-temperature automatic impact test device

Abstract

The utility model relates to the technical field of material testing, and discloses a low-temperature automatic impact test device which comprises a bottom plate, supporting frames are installed on the two sides of the top of the bottom plate, the bottoms of the supporting frames are movably connected with a stamping plate through a stamping mechanism, and the top of the bottom plate is movably connected with a test board through a rotating mechanism. A fixing plate is rotationally connected to the center of the top of the testing table, and a clamping plate is movably connected to one side of the fixing plate through a clamping mechanism, so that a to-be-detected test piece can be automatically stamped through an impact mechanism while the rotating mechanism is utilized to drive the testing table to rotate; therefore, the device can carry out stamping testing while changing materials, the testing efficiency of the device is greatly improved, a test piece can be clamped through the clamping mechanism, deflection of the test piece during stamping can be avoided, and the testing accuracy of the device is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of material testing, in particular to a low-temperature automatic impact testing device. Background Art

[0002] Low temperature impact test is a test method used to test the cold resistance of materials under low temperature conditions. It is mainly used to evaluate the impact resistance and reliability of materials or products in extremely cold environments. It is suitable for high and low temperature reliability tests of industrial products, and for testing the various performance indicators of parts and materials of related products such as electronics and electrical engineering, automobiles and motorcycles, aerospace, ships and weapons, colleges and universities, and scientific research institutions under low temperature conditions.

[0003] For example, the Chinese patent with patent application number 202321657133.7 is a low-temperature automatic impact testing device. The patent uses the terminal end of the rope to be fixedly connected to the fixed end, and its connecting part is coplanar with the working parts of the first pulley, the second pulley, and the third pulley to ensure that the specimen can fully contact the impact head and the anvil, and can maintain a stable position and posture.

[0004] However, the above patent performs the next step of material loading processing simultaneously during the stamping test, which results in the need for intermittent loading and unloading processing during processing, thereby seriously affecting the efficiency of the material stamping test. Utility Model Content

[0005] The utility model aims to provide a low-temperature automatic impact test device, which solves the problems raised in the background technology.

[0006] An embodiment of the present application provides a low-temperature automatic impact testing device, including a base plate, support frames are installed on both sides of the top of the base plate, the bottom of the support frame is movably connected to a stamping plate through a stamping mechanism, the top of the base plate is movably connected to a test bench through a rotating mechanism, a fixed plate is rotatably connected at the top center of the test bench, and one side of the fixed plate is movably connected to a clamping plate through a clamping mechanism.

[0007] By adopting the above technical solution, the device can quickly perform stamping processing on the test piece through the stamping plate, thereby greatly improving the practicability of the device.

[0008] Optionally, the rotating mechanism includes a first motor installed on the outer surface of the base plate, the output end of the first motor is fixedly connected to a rotating shaft, the other end of the rotating shaft extends to the interior of the base plate and is fixedly connected to a first bevel gear, one side of the first bevel gear is meshingly connected to a second bevel gear, the interior of the second bevel gear is fixedly connected to a driven shaft, and the top of the driven shaft extends to the top of the base plate and is fixedly connected to the test bench.

[0009] By adopting the above technical solution, the device can use the rotating mechanism to drive the test bench to rotate, so that the device can automatically change materials.

[0010] Optionally, the stamping mechanism includes a movable shaft connected to the rotating shaft through a synchronous belt, the other end of the movable shaft passes through the other side of the base plate and is connected to a first pulley through a pulley transmission, the first pulley is connected to a second pulley through a rope transmission, and the other end of the rope is fixedly connected to the stamping plate.

[0011] By adopting the above technical solution, the device can automatically perform stamping processing on the test piece to be tested through the impact mechanism, so that the device can perform stamping testing while changing materials, thereby greatly improving the testing efficiency of the device.

[0012] Optionally, the clamping mechanism includes a second motor installed on the outer surface of the fixed plate, the output end of the second motor extends to the interior of the fixed plate and is fixedly connected to forward and reverse screw rods, the threaded portions at both ends of the forward and reverse screw rods are movably connected to screw nuts, one side of the screw nut is fixedly connected to a connecting rod, the other end of the connecting rod extends to the outside of the fixed plate through a slide groove and is fixedly connected to the clamping plate.

[0013] By adopting the above technical solution, the device can clamp the test piece through the clamping mechanism, thereby avoiding deflection of the test piece during stamping, thereby greatly improving the test accuracy of the device.

[0014] Optionally, a protective sleeve is fixedly connected to the inner wall of the splint, and an outer surface of the protective sleeve is provided with anti-slip grooves.

[0015] By adopting the above technical solution, the anti-slip grooves can be used to increase the friction resistance, thereby achieving a better clamping effect of the device.

[0016] Optionally, placement grooves are provided on both sides of the top of the test bench.

[0017] By adopting the above technical solution and utilizing two placement slots, an operator can quickly place the test piece at a suitable position.

[0018] Optionally, both the first pulley and the second pulley are fixed pulleys, and the two form a coplanar pulley set.

[0019] By adopting the above technical solution and utilizing the same-plane pulley block, the stamping plate can maintain a stable position and stamping effect.

[0020] Optionally, a controller is fixedly connected to one side of the support frame.

[0021] By adopting the above technical solution, the electrical appliances inside the device can be controlled more conveniently using the controller.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] 1. The technical solution of the present application is to set up a first motor, a first rotating shaft, a first bevel gear, a second bevel gear, a driven shaft, a synchronous belt, a movable shaft, a pulley, a first pulley, a second pulley, a stamping plate and a test bench, so that the device can automatically stamp the test piece to be inspected through the impact mechanism while using the rotating mechanism to drive the test bench to rotate, so that the device can perform stamping testing while changing materials, thereby greatly improving the testing efficiency of the device.

[0024] 2. The technical solution of the present application, by providing a second motor, forward and reverse screws, screw nuts, connecting rods, slide grooves and clamps, enables the device to clamp the test piece through a clamping mechanism, thereby preventing the test piece from deflecting during stamping, thereby greatly improving the test accuracy of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] 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:

[0026] Figure 1 This is a front view of the entire low-temperature automatic impact test device of the utility model;

[0027] Figure 2 This is a rear view of the entire low-temperature automatic impact test device of the utility model;

[0028] Figure 3 This is a schematic diagram of the internal structure of a portion of a bottom plate in a low-temperature automatic impact test device of the utility model;

[0029] Figure 4 The utility model is a schematic diagram of the internal structure of a fixed plate in a low-temperature automatic impact test device.

[0030] In the figure: 1. base plate; 2. support frame; 3. stamping plate; 4. test bench; 5. fixing plate; 6. clamping plate; 7. first motor; 8. rotating shaft; 9. first bevel gear; 10. second bevel gear; 11. driven shaft; 12. synchronous belt; 13. movable shaft; 14. pulley; 15. first pulley; 16. second pulley; 17. second motor; 18. forward and reverse screws; 19. screw nut; 20. connecting rod; 21. slide groove; 22. controller. DETAILED DESCRIPTION

[0031] See also Figure 1-4The utility model provides a technical solution: a low-temperature automatic impact test device, including a base plate 1, support frames 2 are installed on both sides of the top of the base plate 1, the bottom of the support frame 2 is movably connected to a stamping plate 3 through a stamping mechanism, the top of the base plate 1 is movably connected to a test bench 4 through a rotating mechanism, a fixed plate 5 is rotatably connected at the top center of the test bench 4, and one side of the fixed plate 5 is movably connected to a clamping plate 6 through a clamping mechanism.

[0032] By adopting the above technical solution, the device can quickly perform stamping processing on the test piece through the stamping plate 3, thereby greatly improving the practicality of the device.

[0033] In the implementation mode of the present application, Figure 2-3 As shown, the rotating mechanism includes a first motor 7 installed on the outer surface of the base plate 1, the output end of the first motor 7 is fixedly connected to a rotating shaft 8, the other end of the rotating shaft 8 extends to the inside of the base plate 1 and is fixedly connected to a first bevel gear 9, one side of the first bevel gear 9 is meshedly connected to a second bevel gear 10, the inside of the second bevel gear 10 is fixedly connected to a driven shaft 11, and the top of the driven shaft 11 extends to the top of the base plate 1 and is fixedly connected to the test bench 4.

[0034] By adopting the above technical solution, the device can use the rotating mechanism to drive the test table 4 to rotate, so that the device can automatically change materials.

[0035] In the implementation mode of the present application, Figure 2 As shown, the stamping mechanism includes a movable shaft 13 connected to the rotating shaft 8 through a synchronous belt 12, the other end of the movable shaft 13 passes through the other side of the base plate 1 and is connected to a first pulley 15 through a pulley 14, the first pulley 15 is connected to a second pulley 16 through a rope transmission, and the other end of the rope is fixedly connected to the stamping plate 3.

[0036] By adopting the above technical solution, the device can automatically perform stamping processing on the test piece to be tested through the impact mechanism, so that the device can perform stamping testing while changing materials, thereby greatly improving the testing efficiency of the device.

[0037] In the implementation mode of the present application, Figure 2 and Figure 4 As shown, the clamping mechanism includes a second motor 17 installed on the outer surface of the fixed plate 5, the output end of the second motor 17 extends to the interior of the fixed plate 5 and is fixedly connected to the forward and reverse screw rods 18, the forward and reverse threaded portions of the forward and reverse screw rods 18 are movably connected to the screw nuts 19, one side of the screw nut 19 is fixedly connected to a connecting rod 20, the other end of the connecting rod 20 extends to the outside of the fixed plate 5 through a slide groove 21 and is fixedly connected to the clamping plate 6.

[0038] By adopting the above technical solution, the device can clamp the test piece through the clamping mechanism, thereby avoiding deflection of the test piece during stamping, thereby greatly improving the test accuracy of the device.

[0039] In the implementation mode of the present application, Figure 2 As shown, a protective sleeve is fixedly connected to the inner wall of the clamping plate 6, and an anti-slip pattern is provided on the outer surface of the protective sleeve.

[0040] By adopting the above technical solution, the anti-slip grooves can be used to increase the friction resistance, thereby achieving a better clamping effect of the device.

[0041] In the implementation mode of the present application, Figure 1 As shown, placement slots are provided on both sides of the top of the test bench 4 .

[0042] By adopting the above technical solution and utilizing two placement slots, an operator can quickly place the test piece at a suitable position.

[0043] In the implementation mode of the present application, Figure 2 As shown, the first pulley 15 and the second pulley 16 are both fixed pulleys, and the two form a coplanar pulley block.

[0044] By adopting the above technical solution and utilizing the same-plane pulley block, the stamping plate 3 can maintain a stable position and stamping effect.

[0045] In the implementation mode of the present application, Figure 1 As shown, a controller 22 is fixedly connected to one side of the support frame 2 .

[0046] By adopting the above technical solution, the electrical appliances inside the device can be controlled more conveniently using the controller 22.

[0047] During use, the operator can first place the test piece to be tested on the test bench 4, and then start the second motor 17 through the controller 22, so that the second motor 17 drives the forward and reverse screw rods 18 to rotate. When the forward and reverse screw rods 18 rotate, they will drive the screw nuts 19 of the threaded parts at the forward and reverse ends to move toward each other under the limiting action of the connecting rod 20 and the slide groove 21, so that the screw nuts 19 can drive the clamping plate 6 to clamp and fix the test piece, thereby preventing the test piece from deflecting during stamping, thereby greatly improving the test accuracy of the device. After the fixation is completed, the operator starts the first motor 7 through the controller 22, so that the first motor 7 drives the rotating shaft 8 to rotate. When the rotating shaft 8 rotates, it will drive the first bevel gear 9 to rotate while driving the movable shaft 1 through the synchronous belt 12. 3 rotates, when the first bevel gear 9 rotates, it will drive the second bevel gear 10 to rotate by meshing, when the second bevel gear 10 rotates, it will drive the test bench 4 to rotate through the driven shaft 11, and when the movable shaft 13 rotates, it will drive the first pulley 15 to rotate through the pulley 14, when the first pulley 15 rotates, it will drive the second pulley 16 to rotate through the rope and drive the stamping plate 3 to move downward, when the test piece rotates to the bottom of the stamping plate 3, the first motor 7 is turned off, so that the stamping plate 3 can automatically stamp the test piece, and while stamping, the operator can take out the test piece on the other side of the test bench 4 and replace it with a new test piece, so that the device can perform stamping test while changing materials, thereby greatly improving the test efficiency of the device.

Claims

1. A low temperature automatic impact test device, comprising a bottom plate (1), characterized in that: Support frames (2) are installed on both sides of the top of the base plate (1); the bottom of the support frame (2) is movably connected to a stamping plate (3) via a stamping mechanism; the top of the base plate (1) is movably connected to a test bench (4) via a rotating mechanism; a fixed plate (5) is rotatably connected at the center of the top of the test bench (4); and one side of the fixed plate (5) is movably connected to a clamping plate (6) via a clamping mechanism.

2. A low temperature automatic impact test device according to claim 1, characterized in that: The rotating mechanism comprises a first motor (7) mounted on the outer surface of the base plate (1); the output end of the first motor (7) is fixedly connected to a rotating shaft (8); the other end of the rotating shaft (8) extends to the inside of the base plate (1) and is fixedly connected to a first bevel gear (9); one side of the first bevel gear (9) is meshingly connected to a second bevel gear (10); the inside of the second bevel gear (10) is fixedly connected to a driven shaft (11); the top of the driven shaft (11) extends to the top of the base plate (1) and is fixedly connected to the test bench (4).

3. A low temperature automatic impact test device according to claim 2, characterized in that: The punching mechanism comprises a movable shaft (13) which is connected to the rotating shaft (8) through a synchronous belt (12); the other end of the movable shaft (13) passes through the other side of the base plate (1) and is connected to a first pulley (15) through a pulley (14); the first pulley (15) is connected to a second pulley (16) through a rope transmission; the other end of the rope is fixedly connected to the punching plate (3).

4. A low temperature automatic impact test device according to claim 1, characterized in that: The clamping mechanism comprises a second motor (17) mounted on the outer surface of the fixing plate (5), the output end of the second motor (17) extending to the inside of the fixing plate (5) and fixedly connected to a forward and reverse screw rod (18), the threaded parts at both ends of the forward and reverse screw rods (18) being movably connected to screw nuts (19), one side of the screw nut (19) being fixedly connected to a connecting rod (20), the other end of the connecting rod (20) extending to the outside of the fixing plate (5) through a slide groove (21) and fixedly connected to the clamping plate (6).

5. The low temperature automatic impact test device according to claim 1, characterized in that: The inner wall of the clamping plate (6) is fixedly connected with a protective sleeve, and the outer surface of the protective sleeve is provided with anti-slip grooves.

6. A low temperature automatic impact test device according to claim 1, characterized in that: Both sides of the top of the test bench (4) are provided with placement grooves.

7. A low temperature automatic impact test device according to claim 3, characterized in that: The first pulley (15) and the second pulley (16) are both fixed pulleys, and the two form a coplanar pulley block.

8. The low temperature automatic impact test device according to claim 1, characterized in that: A controller (22) is fixedly connected to one side of the support frame (2).

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