Steel ball impact testing machine

Abstract

The utility model relates to the technical field of impact tests, and discloses a steel ball impact testing machine which comprises a ball grabbing mechanism, a height adjusting mechanism and a testing mechanism, the ball grabbing mechanism is located on the inner side of the height adjusting mechanism, the testing mechanism is located outside the height adjusting mechanism, and the ball grabbing mechanism comprises a ball measuring sensor, a laser lamp and a pneumatic manipulator. The ball measuring sensor is fixedly installed on the inner side of the height adjusting mechanism, the laser lamp is fixedly installed at the bottom end of the ball measuring sensor, and the pneumatic manipulator is fixedly installed on the inner side of the height adjusting mechanism. The steel ball impact testing machine is provided with the ball grabbing mechanism, the position of the ball measuring sensor is limited by the mounting frame, the position of the laser lamp is limited by the ball measuring sensor, and the position of the pneumatic manipulator is limited by the mounting frame, so that the ball measuring sensor can conveniently detect secondary bounce of a falling ball, and the ball falling point is always marked by the laser lamp, so that the measurement is more accurate; the pneumatic manipulator grabs the falling ball bounced for the second time, the falling ball is prevented from impacting the to-be-tested piece again, and the quality and the efficiency are high.

Description

Technical Field

[0001] The utility model relates to the technical field of impact testing, in particular to a steel ball impact testing machine. Background Art

[0002] Electronic products such as smart phones, tablet computers, e-books, electronic dictionaries, laptops, etc., all require multiple steel ball impact tests at various drop points, so a steel ball impact tester is needed to perform the test.

[0003] However, the existing steel ball impact testing machine has the following shortcomings:

[0004] 1. The existing testing machine is not equipped with a ball-catching mechanism. After the steel ball freely falls and hits the test piece, it will bounce up again, causing the steel ball to hit the test piece again, affecting the quality of the test piece;

[0005] 2. The existing testing machine uses a lifting mechanism to bring the steel pipe to a specified height, and then throws a ball into the steel pipe to impact it. This is limited by the diameter of the steel ball and affected by the friction of the side wall of the steel pipe, which reduces the accuracy of the test;

[0006] 3. The existing testing machine needs to manually move the sample every time a ball drop point is tested, which makes the testing process complicated and inefficient. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] The purpose of the utility model is to provide a steel ball impact testing machine to solve the problems mentioned in the above background technology that the existing testing machine is not provided with a ball grabbing mechanism, and the steel ball will bounce up a second time after freely falling and impacting the test piece, causing the steel ball to impact the test piece again, affecting the quality of the test piece, and having low accuracy and low test efficiency.

[0009] (II) Technical solution

[0010] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel ball impact testing machine, comprising a ball grabbing mechanism, a height adjusting mechanism and a testing mechanism, wherein the ball grabbing mechanism is located on the inner side of the height adjusting mechanism, and the testing mechanism is located on the outside of the height adjusting mechanism, the ball grabbing mechanism comprises a ball measuring sensor, a laser light and a pneumatic manipulator, the ball measuring sensor is fixedly installed on the inner side of the height adjusting mechanism, the laser light is fixedly installed on the bottom end of the ball measuring sensor, and the pneumatic manipulator is fixedly installed on the inner side of the height adjusting mechanism.

[0011] Preferably, the height adjustment mechanism includes a base, a ball blocking frame, a mounting frame, a starting plate, a servo motor, a ball screw, a slide rod, a lifting plate and a laser rangefinder. The ball blocking frame is fixedly installed on the top of the base. The position of the ball blocking frame is limited by the base, which makes it convenient to fix the ball blocking frame to block the falling ball, thereby preventing the falling ball from accidentally injuring the staff, thereby improving the safety of the device.

[0012] Preferably, the mounting frame is fixedly mounted on the rear end of the ball blocking frame, and the starting plate is fixedly mounted on the inner end of the mounting frame. The position of the mounting frame is limited by the ball blocking frame, and the mounting frame limits the position of the starting plate, so that the mounting frame can be fixed to fix the starting plate, thereby using the starting plate as the starting height for height adjustment.

[0013] Preferably, the servo motor is fixedly mounted on the top of the base, and the ball screw is fixedly mounted on the transmission end of the servo motor and passes through the starting plate and the mounting frame. The position of the servo motor is limited by the base, and the position of the ball screw is limited by the servo motor and the mounting frame, so as to facilitate fixing the servo motor to drive the ball screw to rotate.

[0014] Preferably, the slide bar is fixedly installed on the top of the starting plate and located on the inner side of the mounting frame, the slide bars are symmetrically distributed, the lifting plate is threadedly connected to the outer side of the ball screw and movably connected to the slide bar, the laser rangefinder is fixedly installed on the left end of the lifting plate, the position of the slide bar is limited by the starting plate and the mounting frame, the position of the lifting plate is limited by the ball screw and the slide bar, and the lifting plate limits the position of the laser rangefinder, so that the slide bar is fixed to limit the lifting plate, thereby facilitating the rotation of the ball screw to drive the lifting plate to rise and fall on the slide bar for height adjustment, and the laser rangefinder is used to reflect to the starting plate to measure the current height, thereby improving the lifting stability and height accuracy of the lifting plate.

[0015] Preferably, the test mechanism includes an XY-axis electric slide, a fixture, an electromagnetic ball suction part, a solenoid valve, an electrical box and a control panel, the XY-axis electric slide is fixedly installed on the top of the base, the fixture is movably installed on the top of the XY-axis electric slide, the height of the fixture is consistent with the height of the starting plate, the position of the XY-axis electric slide is limited by the base, and the position of the fixture is limited by the XY-axis electric slide, so that the XY-axis electric slide is fixed so that the fixture can move forward, backward, left and right on the XY-axis electric slide, so that the test piece on the fixture can be moved, which is convenient for testing all falling ball impact points with one clamping.

[0016] Preferably, the electromagnetic ball suction piece is fixedly installed at the front end of the lifting plate and is located at the top of the fixture, the solenoid valve is fixedly installed at the right end of the lifting plate and is pneumatically connected to the electromagnetic ball suction piece, the position of the electromagnetic ball suction piece is limited by the lifting plate, the lifting plate and the electromagnetic ball suction piece limit the position of the solenoid valve, it is convenient to fix the electromagnetic ball suction piece to suck the steel ball, and use the solenoid valve to control the opening and closing of the electromagnetic ball suction piece, so as to control the electromagnetic ball suction piece to suck and release the steel ball, so that the lifting plate can drive the steel ball to the required position, and the solenoid valve controls the electromagnetic ball suction piece to release the steel ball, so that the steel ball falls freely to perform an impact test on the test piece on the fixture.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The steel ball impact tester is equipped with a ball grabbing mechanism. The mounting frame defines the position of the ball sensor, the ball sensor defines the position of the laser light, and the mounting frame defines the position of the pneumatic manipulator, so that the ball sensor can detect the secondary bounce of the falling ball, and the laser light is used to always mark the falling point of the ball to make the measurement more accurate, so that the pneumatic manipulator can catch the falling ball that bounces twice to prevent the falling ball from impacting the test piece again, with high quality and efficiency;

[0019] 2. The steel ball impact testing machine is equipped with a height adjustment mechanism, which limits the position of the ball blocking frame through the base, so that the ball blocking frame can be fixed to block the falling ball, so as to prevent the falling ball from accidentally hitting the staff, thereby improving the safety of the device; the position of the mounting frame is limited by the ball blocking frame, and the mounting frame limits the position of the starting plate, so that the mounting frame can be fixed to fix the starting plate, so that the starting plate is used as the starting height of the height adjustment; the position of the servo motor is limited by the base, and the position of the ball screw is limited by the servo motor and the mounting frame, so that the servo motor can be fixed to drive the ball screw to rotate; the position of the slide bar is limited by the starting plate and the mounting frame, and the ball screw and the slide bar limit the position of the lifting plate, and the lifting plate limits the position of the laser rangefinder, so that the slide bar can be fixed to limit the lifting plate, so that the ball screw can be rotated to drive the lifting plate to rise and fall on the slide bar for height adjustment, and the laser rangefinder is used to reflect the current height on the starting plate to improve the stability and height accuracy of the lifting plate;

[0020] 3. The steel ball impact tester is equipped with a test mechanism. The position of the XY-axis electric slide is limited by the base, and the position of the fixture is limited by the XY-axis electric slide, so that the fixture can be moved forward, backward, left and right on the XY-axis electric slide, so that the test piece on the fixture can be moved, so that all the impact points of the falling ball can be tested at one time. The position of the electromagnetic ball suction piece is limited by the lifting plate, and the lifting plate and the electromagnetic ball suction piece define the position of the solenoid valve, so that the electromagnetic ball suction piece is fixed to absorb the steel ball, and the electromagnetic valve is used to control the opening and closing of the electromagnetic ball suction piece, so as to control the electromagnetic ball suction piece to absorb and release the steel ball, so that the lifting plate drives the steel ball to rise to the required position, and the solenoid valve controls the electromagnetic ball suction piece to release the steel ball, so that the steel ball falls freely to perform impact test on the test piece on the fixture, and the position of the electrical box is limited by the base, and the electrical box defines the position of the control panel, so that the electrical box is fixed to assemble the electrical system, so that the electrical components can work, and the control panel is used to control the opening and closing of the electrical components. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the height adjustment mechanism structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the test mechanism structure of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the ball catching mechanism of the utility model.

[0025] In the figure: 1. ball grabbing mechanism; 101. ball measuring sensor; 102. laser light; 103. pneumatic manipulator; 2. height adjustment mechanism; 201. base; 202. ball blocking frame; 203. mounting frame; 204. starting plate; 205. servo motor; 206. ball screw; 207. slide bar; 208. lifting plate; 209. laser rangefinder; 3. test mechanism; 301. XY-axis electric slide; 302. fixture; 303. electromagnetic ball suction part; 304. solenoid valve; 305. electrical box; 306. control panel. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 4The utility model provides a technical solution: a steel ball impact testing machine, comprising a ball grabbing mechanism 1, a height adjustment mechanism 2 and a testing mechanism 3, wherein the ball grabbing mechanism 1 is located inside the height adjustment mechanism 2, and the testing mechanism 3 is located outside the height adjustment mechanism 2, the ball grabbing mechanism 1 comprises a ball measuring sensor 101, a laser light 102 and a pneumatic manipulator 103, the ball measuring sensor 101 is fixedly installed on the inside of the height adjustment mechanism 2, the laser light 102 is fixedly installed on the bottom end of the ball measuring sensor 101, and the pneumatic manipulator 103 is fixedly installed on the inside of the height adjustment mechanism 2;

[0028] The height adjustment mechanism 2 includes a base 201, a ball blocking frame 202, a mounting frame 203, a starting plate 204, a servo motor 205, a ball screw 206, a slide bar 207, a lifting plate 208 and a laser rangefinder 209. The ball blocking frame 202 is fixedly mounted on the top of the base 201. The position of the ball blocking frame 202 is limited by the base 201, so that the ball blocking frame 202 is fixed to block the falling ball to prevent the falling ball from accidentally hitting the staff, thereby improving the safety of the device. The mounting frame 203 is fixedly mounted on the back of the ball blocking frame 202. The starting plate 204 is fixedly mounted on the inner end of the mounting frame 203, and the position of the mounting frame 203 is limited by the ball blocking frame 202. The mounting frame 203 limits the position of the starting plate 204, which is convenient for fixing the mounting frame 203 to fix the starting plate 204, so that the starting plate 204 is used as the starting height of the height adjustment. The servo motor 205 is fixedly mounted on the top of the base 201, and the ball screw 206 is fixedly mounted on the transmission end of the servo motor 205 and passes through the starting plate 204 and the mounting frame 203. The servo motor 205 is fixedly mounted on the top of the base 201. The ball screw 206 is fixedly mounted on the transmission end of the servo motor 205 and passes through the starting plate 204 and the mounting frame 203. The position of the servo motor 205 is defined by the servo motor 205 and the mounting frame 203, so as to facilitate the fixing of the servo motor 205 to drive the ball screw 206 to rotate. The slide bar 207 is fixedly mounted on the top of the starting plate 204 and is located on the inner side of the mounting frame 203. The slide bars 207 are symmetrically distributed. The lifting plate 208 is threadedly connected to the outer side of the ball screw 206 and is movably connected to the slide bar 207. The laser rangefinder 209 is fixedly mounted on the left end of the lifting plate 208. The frame 203 defines the position of the slide bar 207, the ball screw 206 and the slide bar 207 define the position of the lifting plate 208, and the lifting plate 208 defines the position of the laser rangefinder 209, so that the slide bar 207 is fixed to limit the lifting plate 208, so that the ball screw 206 is rotated to drive the lifting plate 208 to rise and fall on the slide bar 207 for height adjustment, and the laser rangefinder 209 is used to reflect the starting plate 204 to measure the current height, so as to improve the stability and height accuracy of the lifting plate 208.

[0029] The test mechanism 3 includes an XY-axis electric slide 301, a fixture 302, an electromagnetic ball suction member 303, an electromagnetic valve 304, an electrical box 305 and a control panel 306. The XY-axis electric slide 301 is fixedly installed on the top of the base 201, and the fixture 302 is movably installed on the top of the XY-axis electric slide 301. The height of the fixture 302 is consistent with the height of the starting plate 204. The position of the XY-axis electric slide 301 is limited by the base 201, and the XY-axis electric slide 301 limits the clamp 302. The position of the fixture 302 is convenient for fixing the XY axis electric slide 301 so that the fixture 302 can move forward, backward, left and right on the XY axis electric slide 301, so that the test piece on the fixture 302 can move, which is convenient for one clamping to test all the falling ball impact points. The electromagnetic ball suction piece 303 is fixedly installed at the front end of the lifting plate 208 and is located on the top of the fixture 302. The electromagnetic valve 304 is fixedly installed at the right end of the lifting plate 208 and is pneumatically connected to the electromagnetic ball suction piece 303. Then, the position of the electromagnetic ball suction member 303 is limited by the lifting plate 208, and the lifting plate 208 and the electromagnetic ball suction member 303 limit the position of the electromagnetic valve 304, so that the electromagnetic ball suction member 303 is fixed to absorb the steel ball, and the electromagnetic valve 304 is used to control the opening and closing of the electromagnetic ball suction member 303, thereby controlling the electromagnetic ball suction member 303 to absorb and release the steel ball, so that the lifting plate 208 drives the steel ball to rise to the required position, and the electromagnetic valve 304 controls the electromagnetic ball suction member 303 to release the steel ball, so that the steel ball falls freely to perform an impact test on the test piece on the fixture 302, the electrical box 305 is fixedly installed on the top of the base 201 and is located at the right end of the ball blocking frame 202, the control panel 306 is fixedly set at the front end of the electrical box 305, the position of the electrical box 305 is limited by the base 201, and the electrical box 305 defines the position of the control panel 306, so that the electrical box 305 is fixed to assemble the electrical system so that the electrical components can work, and the control panel 306 is used to control the opening and closing of the electrical components.

[0030] Working principle: The base 201 defines the position of the ball blocking frame 202, so that the ball blocking frame 202 can be fixed to block the falling ball, so as to prevent the falling ball from accidentally hitting the staff, thereby improving the safety of the device. The ball blocking frame 202 defines the position of the mounting frame 203, and the mounting frame 203 defines the position of the starting plate 204, so that the mounting frame 203 can be fixed to fix the starting plate 204, so that the starting plate 204 can be used as the starting height of the height adjustment. The base 201 defines the position of the servo motor 205, and the servo motor 205 and the mounting frame 203 define the position of the ball screw 206, so that the servo motor 205 can be fixed to drive the ball screw 206 to rotate, and the starting plate 204 and the mounting frame 203 define the sliding rod 2 07, the ball screw 206 and the slide bar 207 limit the position of the lifting plate 208, and the lifting plate 208 limits the position of the laser rangefinder 209, so as to fix the slide bar 207 to limit the lifting plate 208, so as to facilitate the rotation of the ball screw 206 to drive the lifting plate 208 to rise and fall on the slide bar 207 for height adjustment, and use the laser rangefinder 209 to reflect the starting plate 204 to measure the current height, so as to improve the lifting stability and height accuracy of the lifting plate 208, the base 201 limits the position of the XY axis electric slide 301, and the XY axis electric slide 301 limits the position of the fixture 302, so as to fix the XY axis electric slide 301 to enable the fixture 302 to be able to move in the XY The lifting plate 208 defines the position of the electromagnetic ball suction member 303. The lifting plate 208 and the electromagnetic ball suction member 303 define the position of the electromagnetic valve 304, which is convenient for fixing the electromagnetic ball suction member 303 to suck the steel ball. The electromagnetic valve 304 is used to control the opening and closing of the electromagnetic ball suction member 303, thereby controlling the electromagnetic ball suction member 303 to suck and release the steel ball, making it convenient for the lifting plate 208 to drive the steel ball to rise to the required position. The electromagnetic valve 304 controls the electromagnetic ball suction member 303 to release the steel ball, so that the steel ball falls freely to perform an impact test on the test piece on the fixture 302. The base 201 defines the position of the electrical box 305, and the electrical box 305 defines the position of the control panel 306, so that the electrical box 305 is fixed to assemble the electrical system, so that the electrical components can work, and the control panel 306 is used to control the opening and closing of the electrical components. The mounting frame 203 defines the position of the measuring ball sensor 101, and the measuring ball sensor 101 defines the position of the laser light 102. The mounting frame 203 defines the position of the pneumatic manipulator 103, so that the measuring ball sensor 101 can detect the secondary bounce of the falling ball, and the laser light 102 is used to always mark the falling point of the ball to make the measurement more accurate, so that the pneumatic manipulator 103 can catch the falling ball that bounces for the second time, and avoid the falling ball from hitting the test piece again, with high quality and efficiency.

[0031] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A steel ball impact testing machine, comprising a ball grabbing mechanism (1), a height adjustment mechanism (2) and a testing mechanism (3), characterized in that: The ball catching mechanism (1) is located on the inner side of the height adjustment mechanism (2), and the test mechanism (3) is located on the outer side of the height adjustment mechanism (2). The ball catching mechanism (1) comprises a ball measuring sensor (101), a laser light (102) and a pneumatic manipulator (103). The ball measuring sensor (101) is fixedly installed on the inner side of the height adjustment mechanism (2), the laser light (102) is fixedly installed on the bottom end of the ball measuring sensor (101), and the pneumatic manipulator (103) is fixedly installed on the inner side of the height adjustment mechanism (2).

2. The steel ball impact testing machine according to claim 1, characterized in that: The height adjustment mechanism (2) comprises a base (201), a ball blocking frame (202), a mounting frame (203), a starting plate (204), a servo motor (205), a ball screw (206), a slide bar (207), a lifting plate (208) and a laser rangefinder (209); the ball blocking frame (202) is fixedly mounted on the top of the base (201).

3. The steel ball impact testing machine according to claim 2, characterized in that: The mounting frame (203) is fixedly mounted on the rear end of the ball blocking frame (202), and the starting point plate (204) is fixedly mounted on the inner end of the mounting frame (203).

4. The steel ball impact testing machine according to claim 3, characterized in that: The servo motor (205) is fixedly mounted on the top of the base (201), and the ball screw (206) is fixedly mounted on the transmission end of the servo motor (205) and penetrates the starting plate (204) and the mounting frame (203).

5. The steel ball impact testing machine according to claim 4, characterized in that: The slide bar (207) is fixedly mounted on the top of the starting plate (204) and is located on the inner side of the mounting frame (203). The slide bars (207) are symmetrically distributed. The lifting plate (208) is threadedly connected to the outer side of the ball screw (206) and is movably connected to the slide bar (207). The laser rangefinder (209) is fixedly mounted on the left end of the lifting plate (208).

6. The steel ball impact testing machine according to claim 5, characterized in that: The test mechanism (3) comprises an XY-axis electric slide (301), a fixture (302), an electromagnetic ball suction member (303), an electromagnetic valve (304), an electrical box (305) and a control panel (306); the XY-axis electric slide (301) is fixedly mounted on the top of the base (201); the fixture (302) is movably mounted on the top of the XY-axis electric slide (301); and the height of the fixture (302) is consistent with the height of the starting plate (204).

7. The steel ball impact testing machine according to claim 6, characterized in that: The electromagnetic ball suction component (303) is fixedly installed at the front end of the lifting plate (208) and is located at the top of the clamp (302), and the electromagnetic valve (304) is fixedly installed at the right end of the lifting plate (208) and is pneumatically connected to the electromagnetic ball suction component (303).

8. The steel ball impact testing machine according to claim 7, characterized in that: The electrical box (305) is fixedly mounted on the top of the base (201) and is located at the right end of the ball blocking frame (202), and the control panel (306) is fixedly arranged at the front end of the electrical box (305).

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