Material mechanics impact resistance experiment device

Abstract

The utility model relates to the technical field of material mechanics impact resistance experiments, in particular to a material mechanics impact resistance experiment device which comprises an experiment box, a base is connected to the lower surface of the inner wall of the experiment box in a sliding mode, and a splash-proof box is fixedly connected to the upper surface of the base. Four sliding blocks a and four clamping plates are driven by four air cylinders a to get close to each other to clamp and fix an iron ball, a servo motor a drives a screw a to rotate, the screw a rotates to drive a threaded sleeve a, a movable frame a and a movable frame b to move upwards, the height of the iron ball is adjusted according to experimental design, an electromagnet is powered off, and the iron ball is fixed. The iron ball falls onto the surface of an experimental material under the action of self weight to carry out an impact resistance experiment, and meanwhile, fragments generated by material crushing are blocked by the splash-proof box, so that the problems that when an existing material is smashed, the material is likely to shake and collide with other parts, the test result is inaccurate, and fragments are likely to fly out when the material is damaged to hurt experimenters are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to material mechanics impact resistance experiment technical field, concretely relates to a material mechanics impact resistance experiment device. BACKGROUND

[0002] Impact resistance experiment is a kind of test method for evaluating the ability of material or product to resist damage when subjected to impact load. The existing impact resistance experiment usually adopts drop ball impact test, that is, a standard steel ball is dropped from a certain height to impact the test sample, and the damage condition of the test sample is observed, which is commonly used to evaluate the impact resistance of plastics, glass and other materials.

[0003] The existing material mechanics impact resistance experiment device is difficult to adjust the weight and height of the iron ball when in use, and when the material is hit, it is easy to collide with other parts due to material shaking, resulting in inaccurate test results, and the material is easy to fly out of debris and harm the experimental personnel when damaged. UTILITY MODEL CONTENT

[0004] To solve the problems presented in the background art, the utility model provides a material mechanics impact resistance experiment device.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a material mechanics impact resistance experiment device, including experiment box, the lower surface of the inner wall of experiment box is slidably connected with base, the upper surface of base is fixedly connected with splash-proof box, the lower surface of the inner wall of splash-proof box is attached to the lower surface of placing plate, the upper surface of placing plate is provided with four moving grooves a, the inside of moving groove a is provided with fixed assembly, the left side of the inner wall of experiment box is provided with moving groove b, the inside of moving groove b is provided with lifting assembly, the left side of the inner wall of experiment box is slidably connected with moving frame a, the inside of moving frame a is provided with horizontal moving assembly, the right side of moving frame a is slidably connected with the left side of moving frame b, the inside of moving frame b is provided with adsorption assembly, the front and back of the inner wall of moving frame b is slidably connected with the front and back of threaded sleeve b respectively, the upper surface of threaded sleeve b is provided with air cylinder c, the telescopic end of air cylinder c is provided with electromagnet.

[0006] Preferably, the fixed assembly includes air cylinder a mounted on the back of the inner wall of moving groove a, the telescopic end of air cylinder a is fixedly connected with the back of sliding block a, the left and right sides of sliding block a are slidably connected with the left and right sides of the inner wall of moving groove a, and the upper surface of sliding block a is fixedly connected with clamping plate.

[0007] Preferably, the back of the inner wall of experiment box is fixedly connected with placing box, and the inner wall of placing box is fixedly connected with a plurality of partition plates.

[0008] Preferably, the lifting assembly comprises a servo motor a mounted on the upper surface of the inner wall of the moving groove b, the output shaft of the servo motor a is fixedly connected with the top end of a screw rod a, the bottom end of the screw rod a is rotatably connected with the lower surface of the inner wall of the moving groove b, and the outer surface of the screw rod a is threadedly connected with a threaded sleeve a, and the right side surface of the threaded sleeve a is fixedly connected with a moving frame a.

[0009] Preferably, the transverse moving assembly comprises a sliding block b slidably connected with the upper and lower surfaces of the inner wall of the moving frame a, and the front surface of the sliding block b is fixedly connected with the telescopic end of a pneumatic cylinder b.

[0010] Preferably, the adsorbing assembly comprises a servo motor b mounted on the right side surface of the inner wall of the moving frame b, the output shaft of the servo motor b is fixedly connected with the right end of a screw rod b, the left end of the screw rod b is rotatably connected with the left side surface of the inner wall of the moving frame b, and the outer surface of the screw rod b is threadedly connected with a threaded sleeve b.

[0011] Compared with the prior art, the lifting assembly comprises a servo motor a mounted on the upper surface of the inner wall of the moving groove b, the output shaft of the servo motor a is fixedly connected with the top end of a screw rod a, the bottom end of the screw rod a is rotatably connected with the lower surface of the inner wall of the moving groove b, and the outer surface of the screw rod a is threadedly connected with a threaded sleeve a, and the right side surface of the threaded sleeve a is fixedly connected with a moving frame a.

[0012] The utility model discloses a servo motor a drives screw rod a to rotate, and screw rod a rotates and drives threaded sleeve a, moving frame a and moving frame b to move upwards, according to the experiment design adjustment height of iron ball, and electromagnet is powered off, and iron ball falls to the surface of experimental material under the action of self weight and carries out the impact resistance experiment, and meanwhile prevents the splashing case and blocks the fragment produced when material is broken, solves the problem that when the existing material is hit, is easy to lead to material to shake and the collision with remaining parts, leads to the inaccuracy of test result, and when material is damaged, is easy to fly out the debris and harms the experimental personnel.

[0013] The utility model discloses a servo motor b drives screw rod b to rotate, and screw rod b rotates and drives threaded sleeve b, pneumatic cylinder c and electromagnet to move to left, and pneumatic cylinder c drives electromagnet to move down to place the iron ball in the box conveniently, and servo motor b reaches and moves to the above -mentioned of the center place of placing board of sliding block b and moving frame b contraction, and servo motor b reverse drives electromagnet and iron ball to move to the above -mentioned of the center place of placing board, so as to position the position of iron ball. ACCURACY OF THE DRAWINGS

[0014] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the principle of the present application, and do not constitute a limitation on the present application. In the drawings:

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2It is the internal structure schematic view of the experiment box in the utility model;

[0017] Figure 3 It is the internal structure schematic view of the mobile frame a in the utility model;

[0018] Figure 4 It is the enlarged structure schematic view of A place in the utility model;

[0019] In the drawing: 1, experiment box;2, base;3, splash-proof box;4, placing plate;5, mobile groove a;

[0020] Fixed assembly: 61, air cylinder a;62, sliding block a;63, clamping plate;7, mobile groove b;

[0021] Lifting assembly: 81, servo motor a;82, screw rod a;83, threaded sleeve a;9, mobile frame a;

[0022] Horizontal moving assembly: 101, air cylinder b;102, sliding block b;11, mobile frame b;

[0023] Adsorption assembly: 121, servo motor b;122, screw rod b;123, threaded sleeve b;

[0024] 13, air cylinder c;14, placing box;15, partition;16, electromagnet. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.

[0026] EMBODIMENT

[0027] Please refer to Figures 1-4The utility model provides the following technical scheme: A material mechanics impact resistance experiment device, including experiment box 1, the lower surface of the inner wall of experiment box 1 is connected with the base 2 slidingly, the upper surface of base 2 is fixed with the splashproof box 3, the lower surface of the inner wall of splashproof box 3 is attached with the lower surface of placing plate 4, the upper surface of placing plate 4 is equipped with four mobile grooves a 5, the inside of mobile groove a 5 is provided with fixed assembly, the left side of the inner wall of experiment box 1 is equipped with mobile groove b 7, the inside of mobile groove b 7 is provided with lifting assembly, the left side of the inner wall of experiment box 1 is connected with the left side of moving frame a 9 slidingly, the inside of moving frame a 9 is provided with horizontal movement subassembly, the right side of moving frame a 9 is connected with the left side of moving frame b 11 slidingly, the inside of moving frame b 11 is provided with adsorption subassembly, the front and back of the inner wall of moving frame b 11 are connected with the front and back of threaded sleeve b 123 slidingly, the upper surface of threaded sleeve b 123 is provided with pneumatic cylinder c 13, the telescopic end of pneumatic cylinder c 13 is equipped with electromagnet 16.

[0028] Specifically, the fixed assembly includes a pneumatic cylinder a61 mounted on the back inner wall of the mobile groove a5, the telescopic end of the pneumatic cylinder a61 is fixedly connected with the back of a sliding block a62, the left and right sides of the sliding block a62 are slidingly connected with the left and right sides of the inner wall of the mobile groove a5, and the upper surface of the sliding block a62 is fixedly connected with a clamping plate 63.

[0029] The material to be experimented is placed on the upper surface of the placing plate 4, and the four pneumatic cylinders a61 drive the four sliding blocks a62 and the four clamping plates 63 to move close to each other to clamp and fix the iron ball.

[0030] Specifically, the back inner wall of the experiment box 1 is fixedly connected with a placing box 14, and the inner wall of the placing box 14 is fixedly connected with a plurality of partition plates 15.

[0031] The cavities in the placing box 14 are separated by the partition plates 15, and the plurality of cavities are used to place iron balls with different weights.

[0032] Specifically, the lifting assembly includes a servo motor a81 mounted on the upper surface of the inner wall of the mobile groove b7, the output shaft of the servo motor a81 is fixedly connected with the top end of a screw rod a82, the bottom end of the screw rod a82 is rotatably connected with the lower surface of the inner wall of the mobile groove b7, the outer surface of the screw rod a82 is threadedly connected with a threaded sleeve a83, and the right side of the threaded sleeve a83 is fixedly connected with the moving frame a9.

[0033] The servo motor a81 drives the screw rod a82 to rotate, the screw rod a82 drives the threaded sleeve a83 and the moving frame a9 to move upwards, the moving frame a9 drives the moving frame b11 to move upwards, and the height of the iron ball is adjusted according to the experimental design.

[0034] Specific, by setting the horizontal moving assembly includes with the moving frame a9 inner wall upper surface and lower surface sliding connection slider b102, the front of the slider b102 and the telescopic end of the cylinder b101 fixedly connected, the cylinder b101 is installed on the front of the moving frame a9;

[0035] The cylinder b101 pushes the slider b102 and the moving frame b11 to move rightwards, so as to adsorb different iron balls.

[0036] Specific, by setting the adsorption assembly includes servo motor b121 installed in the right side of the inner wall of the moving frame b11, the output shaft of the servo motor b121 is fixedly connected with the right end of the screw rod b122, the left end of the screw rod b122 is rotatably connected with the left side of the inner wall of the moving frame b11, and the outer surface of the screw rod b122 is threadedly connected with the threaded sleeve b123.

[0037] The servo motor b121 drives the screw rod b122 to rotate, the screw rod b122 drives the threaded sleeve b123 to move leftwards, the threaded sleeve b123 drives the cylinder c13 and the electromagnet 16 to move leftwards, so as to adsorb different iron balls placed in the box.

[0038] The working principle and use process of the utility model:

[0039] The utility model, in use:

[0040] The cylinder b101 pushes the slider b102 and the moving frame b11 to move rightwards, the servo motor b121 drives the screw rod b122 to rotate, the screw rod b122 drives the threaded sleeve b123 to move leftwards, the threaded sleeve b123 drives the cylinder c13 and the electromagnet 16 to move leftwards, the cylinder c13 drives the electromagnet 16 to move downwards, so as to adsorb the iron ball in the box, the cylinder b101 reaches the contraction of the slider b102 and the moving frame b11, the servo motor b121 reverses to drive the electromagnet 16 and the iron ball to move to the upper side of the center of the placing plate 4, the servo motor a81 drives the screw rod a82 to rotate, the screw rod a82 drives the threaded sleeve a83 and the moving frame a9 to move upwards, the moving frame a9 moves upwards to drive the moving frame b11 to move upwards, the height of the iron ball is adjusted according to the experimental design, the electromagnet 16 is powered off, the iron ball falls to the surface of the experimental material under the action of gravity and carries out the impact resistance experiment, and the splash-proof box 3 blocks the fragments generated by material crushing.

[0041] Circuits and electronic components and modules are all prior art, and those skilled in the art can realize them without further description, and the content protected by the utility model does not involve the improvement of software and method.

[0042] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A material mechanical impact resistance test device comprising a test box (1), characterized in that: The lower surface of the inner wall of the experiment box (1) is slidably connected with a base (2), the upper surface of the base (2) is fixedly connected with a splash-proof box (3), the lower surface of the inner wall of the splash-proof box (3) is attached to the lower surface of a placing plate (4), the upper surface of the placing plate (4) is provided with four moving grooves a (5), the inside of the moving grooves a (5) is provided with a fixing assembly, the left side of the inner wall of the experiment box (1) is provided with a moving groove b (7), the inside of the moving groove b (7) is provided with a lifting assembly, the left side of the inner wall of the experiment box (1) is slidably connected with the left side of a moving frame a (9), the inside of the moving frame a (9) is provided with a horizontal moving assembly, the right side of the moving frame a (9) is slidably connected with the left side of a moving frame b (11), the inside of the moving frame b (11) is provided with an adsorption assembly, the front and back surfaces of the inner wall of the moving frame b (11) are slidably connected with the front and back surfaces of a threaded sleeve b (123), the upper surface of the threaded sleeve b (123) is provided with a gas cylinder c (13), and the telescopic end of the gas cylinder c (13) is provided with an electromagnet (16).

2. The material mechanics impact resistance testing device according to claim 1, characterized in that: The fixing assembly comprises a gas cylinder a (61) mounted on the back surface of the inner wall of the moving groove a (5), the telescopic end of the gas cylinder a (61) is fixedly connected with the back surface of a sliding block a (62), the left and right sides of the sliding block a (62) are slidably connected with the left and right sides of the inner wall of the moving groove a (5), and the upper surface of the sliding block a (62) is fixedly connected with a clamping plate (63).

3. The material mechanics impact resistance testing device of claim 1, wherein: The back surface of the inner wall of the experiment box (1) is fixedly connected with a placing box (14), and the inner wall of the placing box (14) is fixedly connected with a plurality of partition plates (15).

4. The material mechanics impact resistance testing device of claim 1, wherein: The lifting assembly comprises a servo motor a (81) mounted on the upper surface of the inner wall of the moving groove b (7), the output shaft of the servo motor a (81) is fixedly connected with the top end of a screw rod a (82), the bottom end of the screw rod a (82) is rotatably connected with the lower surface of the inner wall of the moving groove b (7), the outer surface of the screw rod a (82) is threadedly connected with a threaded sleeve a (83), and the right side of the threaded sleeve a (83) is fixedly connected with the moving frame a (9).

5. The material mechanics impact resistance testing device of claim 1, wherein: The horizontal moving assembly comprises a sliding block b (102) slidably connected with the upper and lower surfaces of the inner wall of the moving frame a (9), the front surface of the sliding block b (102) is fixedly connected with the telescopic end of a gas cylinder b (101), and the gas cylinder b (101) is mounted on the front surface of the moving frame a (9).

6. The material mechanics impact resistance testing device of claim 1, wherein: The adsorption assembly comprises a servo motor b (121) mounted on the right side of the inner wall of the moving frame b (11), the output shaft of the servo motor b (121) is fixedly connected with the right end of a screw rod b (122), the left end of the screw rod b (122) is rotatably connected with the left side of the inner wall of the moving frame b (11), and the outer surface of the screw rod b (122) is threadedly connected with a threaded sleeve b (123).

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