Device for testing anti-impact strength of nano material

Abstract

The utility model discloses a device for testing the anti-impact strength of a nano material, which belongs to the technical field of testing devices and comprises a testing component and a firing mechanism, the testing component comprises a testing box, a mounting frame and a firing mechanism, the testing box is a hollow cylinder with an open front end and a sealed rear end, and the mounting frame is positioned in the testing box and movably connected front and back; a clamping mechanism for fixing a nano material is arranged on the mounting frame; the first adjusting mechanism comprises an adjusting lead screw and a lead screw sliding sleeve, the adjusting lead screw is rotationally arranged on the inner wall of the test box, the lead screw sliding sleeve is connected to the outer wall of the mounting frame and arranged on the outer surface of the adjusting lead screw in a sleeving mode, and front-back movement of the mounting frame is achieved through rotation of the adjusting lead screw; the second adjusting mechanism comprises a fixing frame and a supporting plate, the fixing frame is connected to the inner wall of the open end of the test box, and the supporting plate is rotationally arranged in the center of the interior of the fixing frame; a guide groove is formed in the supporting plate in the length direction in a penetrating mode, the percussion mechanism is installed in the guide groove and slidably connected with the guide groove, and the percussion mechanism faces the installation frame.

Description

Technical Field

[0001] The utility model relates to the technical field of testing devices, in particular to a nano material anti-impact strength testing device. Background Art

[0002] Nanomaterials are widely used in aerospace, biomedicine and high-end industrial manufacturing due to their excellent mechanical properties and unique physical and chemical characteristics. In practical applications, nanomaterials are often faced with severe impact or shock loads, so impact strength becomes a key parameter for evaluating their reliability and applicability.

[0003] Traditional testing equipment mostly uses mechanical or pneumatic firing devices, which have rough adjustment methods for directionality and point of action position, and are difficult to meet the needs of precise testing of nanomaterials. Deviations in the firing point can lead to inconsistent measurement results or even failure.

[0004] For this purpose, we propose a nanomaterial impact strength testing device. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, the utility model provides a nanomaterial impact strength testing device. The clamping mechanism of the mounting frame can firmly fix the nanomaterial to avoid material displacement during the test. The forward and backward movement of the mounting frame is achieved through the first adjustment mechanism, which facilitates the precise positioning of the nanomaterial. The guide groove design of the support plate in the second adjustment mechanism ensures that the firing mechanism can slide along a fixed direction, making the test more accurate.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A nano material impact strength testing device, comprising:

[0008] The test assembly includes a test box, a mounting frame and a firing mechanism. The test box is a hollow cylinder with an opening at the front end and a sealed bottom at the rear end. The mounting frame is located inside the test box and is movably connected front and back. The mounting frame is provided with a clamping mechanism for fixing the nanomaterial.

[0009] The first adjustment mechanism includes an adjustment screw and a screw sleeve, wherein the adjustment screw is rotatably arranged on the inner wall of the test box, and the screw sleeve is connected to the outer wall of the mounting frame and sleeved on the outer surface of the adjustment screw, and the forward and backward movement of the mounting frame is realized by the rotation of the adjustment screw;

[0010] The second adjustment mechanism includes a fixing frame and a support plate, wherein the fixing frame is connected to the inner wall of the opening end of the test box, and the support plate is rotatably arranged at the inner center of the fixing frame;

[0011] A guide groove is formed on the support plate along the length direction, the firing mechanism is installed inside the guide groove and is slidably connected, and the firing mechanism faces the mounting frame;

[0012] The measuring mechanism comprises a ruler plate and an indicator block. The ruler plate is mounted on the outer wall surface of the test box, and the indicator block is connected to the outer surface of the screw rod sleeve and points to the ruler plate.

[0013] As a preferred solution of a nano material impact strength testing device described in the utility model, the firing mechanism includes a shooting barrel and an air pump, the shooting barrel is installed inside the guide groove and slidably connected, the open end of the shooting barrel faces the mounting frame, the air pump is installed at the front end top of the test box, and a hose is connected between the air pump and the shooting barrel.

[0014] As a preferred solution of a nanomaterial impact strength testing device described in the utility model, the outer shape of the mounting frame is a square frame profile, the side wall of the mounting frame is provided with a slot connected to the interior thereof, the slot extends to the inner wall of the inner hole of the mounting frame, and the side wall of the test box is provided with an assembly hole connected to the slot.

[0015] As a preferred solution of a nanomaterial impact strength testing device described in the utility model, the clamping mechanism includes a clamping plate and a spring telescopic rod, the clamping plates are symmetrically arranged on both sides of the slot, the spring telescopic rod is connected between the inner side of the clamping plate and the inner wall of the slot, and both ends of the clamping plate have arc bends.

[0016] As a preferred solution of a nanomaterial impact strength testing device described in the utility model, the upper and lower inner walls of the test box are provided with positioning rods along the front-to-back direction, the upper and lower outer walls of the mounting frame are connected with sliding sleeves, and the sliding sleeves are provided on the outer surface of the positioning rods and are slidably connected front and back.

[0017] As a preferred solution of a nanomaterial impact strength testing device described in the utility model, the adjusting screw and the ruler are both installed on the side of the test box away from the assembly hole, an observation groove is penetrated through the outer wall of the test box away from the assembly hole, and the indicator block is located inside the observation groove and is slidably connected back and forth.

[0018] As a preferred solution of the nano material impact strength testing device described in the utility model, the front end of the adjusting screw rod extends to the front end surface of the test box and is connected to a turning handle.

[0019] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0020] The clamping mechanism of the mounting frame can firmly fix the nanomaterial to avoid material displacement during the test. The forward and backward movement of the mounting frame is achieved through the first adjustment mechanism, which facilitates the precise positioning of the nanomaterial. The guide groove design of the support plate in the second adjustment mechanism ensures that the firing mechanism can slide along a fixed direction, making the test more accurate. The measuring mechanism intuitively displays the position of the mounting frame through the cooperation of the ruler and the indicator block, which is convenient for the operator to adjust and record data. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a nano material impact strength testing device.

[0022] Figure 2 The figure is a schematic diagram of an adjusting screw rod of a nanomaterial impact strength testing device.

[0023] Figure 3 This is a schematic diagram of a mounting frame for a nanomaterial impact strength testing device.

[0024] Figure 4 A schematic diagram of a clamping plate of a nanomaterial impact strength testing device.

[0025] Among them: 1. test box; 2. fixing frame; 3. support plate; 4. shooting tube; 5. air pump; 6. ruler; 7. observation slot; 8. indicator block; 9. turning handle; 10. adjusting screw; 11. mounting frame; 12. assembly hole; 13. positioning rod; 14. clamping plate; 15. spring telescopic rod; 16. slot; 17. sliding sleeve; 18. screw sleeve; 19. guide groove. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0029] Example

[0030] Please refer to Figures 1 to 4 As shown, the utility model provides a nano material impact strength test device, including: a test assembly, including a test box 1, a mounting frame 11 and a firing mechanism, the test box 1 is a hollow cylinder with an opening at the front end and a bottom seal at the rear end, the mounting frame 11 is located inside the test box 1 and is movably connected front and back, a clamping mechanism for fixing the nano material is arranged on the mounting frame 11, the outer shape of the mounting frame 11 is a square frame profile, a slot 16 connected to the inside of the mounting frame 11 is opened on the side wall of the mounting frame 11, the slot 16 extends to the inner wall of the inner hole of the mounting frame 11, an assembly hole 12 connected to the slot 16 is opened on the side wall of the test box 1, the test box 1 provides a closed and stable test environment, reduces external interference, the mounting frame 11 can move back and forth inside the test box 1, and cooperates with the first adjustment mechanism to realize the position adjustment of the nano material;

[0031] The clamping mechanism includes a clamping plate 14 and a spring telescopic rod 15. The clamping plate 14 is symmetrically arranged on both sides of the slot 16. The spring telescopic rod 15 is connected between the inner side of the clamping plate 14 and the inner wall of the slot 16. Both ends of the clamping plate 14 have arc bends. The clamping plate 14 in the clamping mechanism fixes the nanomaterial to be tested under the support of the spring telescopic rod 15 to ensure that the material does not move during the test process.

[0032] The first adjustment mechanism includes an adjusting screw 10 and a screw sleeve 18. The adjusting screw 10 is rotatably arranged on the inner wall of the test box 1. The screw sleeve 18 is connected to the outer wall of the mounting frame 11 and is sleeved on the outer surface of the adjusting screw 10. The forward and backward movement of the mounting frame 11 is realized by rotating the adjusting screw 10. The front end of the adjusting screw 10 extends to the front end surface of the test box 1 and is connected to the turning handle 9. The upper and lower inner walls of the test box 1 are both provided with positioning rods 13 along the front and rear directions. The upper and lower outer walls of the mounting frame 11 are both connected with sleeves 17. The sleeves 17 are arranged on the outer surface of the positioning rod 13 and are slidably connected forward and backward. The adjusting screw 10 is adjusted by rotation to drive the mounting frame 11 to move forward and backward along the length direction of the test box 1, thereby realizing accurate control of the position of the material to be tested;

[0033] The second adjustment mechanism includes a fixing frame 2 and a support plate 3. The fixing frame 2 is connected to the inner wall of the opening end of the test box 1. The support plate 3 is rotatably arranged in the center of the fixing frame 2. A guide groove 19 is provided on the support plate 3 along the length direction. The firing mechanism is installed in the guide groove 19 and is slidably connected. The firing mechanism faces the mounting frame 11. The second adjustment mechanism firmly installs the firing mechanism in a suitable position and adjusts the position by sliding the guide groove 19.

[0034] The firing mechanism includes a barrel 4 and an air pump 5. The barrel 4 is installed inside the guide groove 19 and is slidably connected. The open end of the barrel 4 faces the mounting frame 11. The air pump 5 is installed at the front top of the test box 1. The air pump 5 and the barrel 4 are connected by a hose. The barrel 4 cooperates with the air pump 5 to control the impact direction and force, thereby ensuring the repeatability of the experimental data.

[0035] The measuring mechanism includes a ruler 6 and an indicator block 8. The ruler 6 is installed on the outer wall surface of the test box 1. The indicator block 8 is connected to the outer surface of the screw sleeve 18 and points to the ruler 6. The adjusting screw 10 and the ruler 6 are both installed on the side of the test box 1 away from the assembly hole 12. An observation groove 7 is penetrated through the outer wall of the test box 1 away from the assembly hole 12. The indicator block 8 is located inside the observation groove 7 and is slidably connected back and forth. The measuring mechanism provides real-time visual feedback, which is convenient for the operator to accurately adjust the position of the material, reduce human errors, and improve the efficiency of experimental operation.

[0036] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, it is understandable to those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A nanomaterial impact strength testing device, characterized in that: include: A test assembly comprises a test box (1), a mounting frame (11) and a firing mechanism, wherein the test box (1) is a hollow cylinder with an opening at the front end and a sealed bottom at the rear end, the mounting frame (11) is located inside the test box (1) and is movably connected front and back, and a clamping mechanism for fixing nanomaterials is provided on the mounting frame (11); A first adjustment mechanism comprises an adjustment screw (10) and a screw sleeve (18), wherein the adjustment screw (10) is rotatably arranged on the inner wall of the test box (1), and the screw sleeve (18) is connected to the outer wall of the mounting frame (11) and sleeved on the outer surface of the adjustment screw (10), and the mounting frame (11) can move forward and backward by rotating the adjustment screw (10); The second adjustment mechanism comprises a fixing frame (2) and a support plate (3), wherein the fixing frame (2) is connected to the inner wall of the opening end of the test box (1), and the support plate (3) is rotatably arranged at the inner center of the fixing frame (2); A guide groove (19) is formed on the support plate (3) along the length direction, the firing mechanism is installed inside the guide groove (19) and is slidably connected thereto, and the firing mechanism faces the mounting frame (11); The measuring mechanism comprises a ruler plate (6) and an indicator block (8), wherein the ruler plate (6) is mounted on the outer wall surface of the test box (1), and the indicator block (8) is connected to the outer surface of the screw rod sleeve (18) and points to the ruler plate (6).

2. The nanomaterial impact strength testing device according to claim 1, characterized in that: The firing mechanism comprises a firing barrel (4) and an air pump (5); the firing barrel (4) is mounted inside the guide groove (19) and is slidably connected thereto; the opening end of the firing barrel (4) faces the mounting frame (11); the air pump (5) is mounted on the top of the front end of the test box (1); and a hose is connected between the air pump (5) and the firing barrel (4).

3. The nanomaterial impact strength testing device according to claim 1, characterized in that: The mounting frame (11) has a square frame-shaped profile, a side wall of the mounting frame (11) is provided with a slot (16) connected to the interior thereof, the slot (16) extends to the inner wall of the inner hole of the mounting frame (11), and a side wall of the test box (1) is provided with an assembly hole (12) connected to the slot (16).

4. The nanomaterial impact strength testing device according to claim 3, characterized in that: The clamping mechanism comprises a clamping plate (14) and a spring telescopic rod (15); the clamping plate (14) is symmetrically arranged on both sides of the slot (16); the spring telescopic rod (15) is connected between the inner side of the clamping plate (14) and the inner wall of the slot (16); and both ends of the clamping plate (14) have arc bends.

5. The nanomaterial impact strength testing device according to claim 1, characterized in that: The upper and lower inner walls of the test box (1) are both provided with positioning rods (13) along the front-rear direction, and the upper and lower outer walls of the mounting frame (11) are both connected with sliding sleeves (17), and the sliding sleeves (17) are provided on the outer surface of the positioning rods (13) and are slidably connected to the front-rear direction.

6. The nanomaterial impact strength testing device according to claim 3, characterized in that: The adjusting screw rod (10) and the ruler plate (6) are both mounted on a side of the test box (1) away from the assembly hole (12); an observation groove (7) is provided through the outer wall of the test box (1) away from the assembly hole (12); and the indicating block (8) is located inside the observation groove (7) and is slidably connected to the observation groove (7).

7. The nanomaterial impact strength testing device according to claim 1, characterized in that: The front end of the adjusting screw rod (10) extends to the front end surface of the test box (1) and is connected to a turning handle (9).

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