1. The utility model provides a steel ball drop test device, includes testboard (1), its characterized in that: the test bench (1) is provided with a hollow cylinder (2), a placing groove (3), a limiting baffle (4), a controller (5) and a built-in groove (6), the hollow cylinder (2) is fixedly connected with the left side of the upper end of the test bench (1), the placing groove (3) is positioned at the right side in the test bench (1), the limit baffle (4) is movably connected in the right end of the test bench (1), the controller (5) is fixedly connected with the side surface of the test bench (1), the built-in groove (6) is positioned on the left side in the test board (1), a track groove (7) is arranged in the placing groove (3), the track groove (7) is connected with a pressure sensor (9) through a movable block (8), the upper end of the pressure sensor (9) is fixedly connected with a placing plate (10), a first servo motor (11) is fixedly connected inside the built-in groove (6);

a groove (12) and a first bearing (13) are arranged on the hollow cylinder (2), the groove (12) is positioned at the right end of the hollow cylinder (2), the first bearing (13) is fixedly connected to the bottom inside the hollow cylinder (2), the first bearing (13) is connected with a metal sliding plate (15) through a first screw rod (14), and the right end of the metal sliding plate (15) is fixedly connected to a metal mounting plate (16);

be provided with spout (17), second bearing (18) and second servo motor (19) on metal mounting panel (16), spout (17) are located the inside of metal mounting panel (16) side, second bearing (18) fixed connection be in the inside left and right sides of metal mounting panel (16), second servo motor (19) fixed connection be in the right-hand member of metal mounting panel (16), metal pipe (21) are connected through metal connecting plate (20) in spout (17), square slider (23) are connected through second lead screw (22) in second bearing (18), the bottom fixedly connected with electro-magnet (24) of square slider (23), the bottom adsorption of electro-magnet (24) has steel ball (25).

2. The steel ball drop test device of claim 1, wherein: square slider (23) swing joint in the inside of metal mounting panel (16) to through the screw thread with the outside swing joint of second lead screw (22), the left end fixed connection of second lead screw (22) is in the left side the inner ring department of second bearing (18), the right-hand member of second lead screw (22) pass through right side second bearing (18) with the output fixed connection of second servo motor (19).

3. The steel ball drop test device of claim 1, wherein: the well below fixed connection of metal pipe (21) is in the inside of metal connecting plate (20), the bottom fixed connection of metal pipe (21) is in the right flank of electro-magnet (24), the one end swing joint of metal connecting plate (20) is in the inside of spout (17).

4. The steel ball drop test device of claim 1, wherein: the right end of the metal sliding plate (15) is fixedly connected to the left end of the metal mounting plate (16), and the left end of the metal sliding plate (15) penetrates through the inside of the slot (12) and is connected with the outside of the first screw rod (14) through threads.

5. The steel ball drop test device of claim 1, wherein: the lower end of the first screw rod (14) is fixedly connected with the output end of the first servo motor (11) through an inner ring of a first bearing (13).

6. The steel ball drop test device of claim 1, wherein: the lower extreme swing joint of movable block (8) is in the inside of track groove (7), the upper end of movable block (8) with the lower extreme fixed connection of pressure sensor (9).

7. The steel ball drop test device of claim 1, wherein: the two rail grooves (7) are symmetrically arranged at the bottom of the placing groove (3), and the right end of the rail groove (7) is communicated with the right end of the test board (1).

Background

According to patent 201810833790.X, a steel ball drop test device of a terminal screen is disclosed. The steel ball drop test device of the terminal screen comprises a steel ball dispenser and a clamping mechanism for clamping a piece to be tested; the steel ball delivery mechanism comprises a base and a steel ball adsorption component; the steel ball adsorption component is fixed on the base; and the clamping mechanism is positioned right below the steel ball adsorption component. Compared with the prior art, the invention adds the piece to be tested on the clamping mechanism during testing, and because the clamping mechanism is positioned under the steel ball adsorption component, the adsorbed steel ball can be directly released and hammered onto the screen of the piece to be tested by the steel ball adsorption component, so that the subsequent pressure resistance test of the screen of the piece to be tested can be carried out, the error generated in the prior art when the impact force is obtained according to the free falling body calculation of the steel ball at the later stage due to the friction between the steel ball and the paper tube can be avoided, and the test precision can be improved; the manpower and material resources are saved, and the cost is saved.

At present, the existing steel ball drop test device has some defects, for example; current steel ball drop test device can not carry out not co-altitude test to the sample automatically, also can not add the steel ball to the bottom of electro-magnet automatically, need the bottom that the electro-magnet was placed to the steel ball by operator in person, convenience when having reduced testing arrangement and using, current steel ball drop test device can not adjust the interval of placing the board according to the size of sample, the scope when having limited testing arrangement and using, still inconvenient board of will placing is demolishd from the inside of built-in groove, the speed when the inside clearance of built-in groove of operating personnel has been slowed down.

Disclosure of Invention

The invention aims to provide a steel ball drop test device, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a steel ball drop test device comprises a test board, wherein a hollow cylinder, a placing groove, a limiting baffle, a controller and an embedded groove are arranged on the test board, the hollow cylinder is fixedly connected to the left side of the upper end of the test board, the placing groove is located on the right side of the interior of the test board, the limiting baffle is movably connected to the interior of the right end of the test board, the controller is fixedly connected to the side face of the test board, the embedded groove is located on the left side of the interior of the test board, a track groove is arranged in the placing groove, the track groove is connected with a pressure sensor through a movable block, the upper end of the pressure sensor is fixedly connected with a placing plate, and a first servo motor is fixedly connected to the interior of the embedded groove;

the hollow cylinder is provided with a slot and a first bearing, the slot is positioned at the right end of the hollow cylinder, the first bearing is fixedly connected to the bottom inside the hollow cylinder, the first bearing is connected with a metal sliding plate through a first screw rod, and the right end of the metal sliding plate is fixedly connected with the metal mounting plate;

be provided with spout, second bearing and second servo motor on the metal mounting panel, the spout is located the inside of metal mounting panel side, second bearing fixed connection be in the inside left and right sides of metal mounting panel, second servo motor fixed connection be in the right-hand member of metal mounting panel, the spout passes through metal connecting plate and connects the metal pipe, the second bearing passes through the second lead screw and connects square slider, square slider's bottom fixedly connected with electro-magnet, the bottom adsorption of electro-magnet has the steel ball.

As a preferred embodiment of the present invention, the square slider is movably connected inside the metal mounting plate and movably connected to the outside of the second lead screw through a thread, the left end of the second lead screw is fixedly connected to the inner ring of the left second bearing, and the right end of the second lead screw is fixedly connected to the output end of the second servo motor through the right second bearing.

As a preferred embodiment of the present invention, the middle lower portion of the metal circular tube is fixedly connected inside the metal connecting plate, the bottom of the metal circular tube is fixedly connected to the right side surface of the electromagnet, and one end of the metal connecting plate is movably connected inside the chute.

As a preferred embodiment of the present invention, the right end of the metal sliding plate is fixedly connected to the left end of the metal mounting plate, and the left end of the metal sliding plate passes through the inside of the slot and is connected to the outside of the first lead screw through a thread.

As a preferred embodiment of the present invention, the lower end of the first lead screw is fixedly connected to the output end of the first servo motor through an inner ring of a first bearing.

In a preferred embodiment of the present invention, a lower end of the movable block is movably connected to an inside of the rail groove, and an upper end of the movable block is fixedly connected to a lower end of the pressure sensor.

As a preferred embodiment of the present invention, two rail grooves are symmetrically disposed at the bottom of the placing groove, and the right end of the rail groove is communicated with the right end of the test board.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the combination of the controller, the pressure sensor, the first servo motor, the slot, the first bearing, the first lead screw, the metal sliding plate, the sliding chute, the second bearing, the second servo motor, the metal connecting plate, the metal round pipe, the second lead screw, the square sliding block, the electromagnet and the steel ball, the test device can effectively realize automatic test of different heights on a sample, the steel ball can be automatically added to the bottom of the electromagnet, the situation that an operator places the steel ball at the bottom of the electromagnet in person is avoided, and the convenience in use of the test device is improved.

2. According to the invention, through the combination of the track groove, the movable block, the pressure sensor and the placing plate, the distance between the placing plates can be effectively adjusted according to the size of the sample, the range of the testing device during use is increased, the placing plate is convenient to detach from the interior of the built-in groove, and the speed of an operator during cleaning the interior of the built-in groove is increased.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of a steel ball drop test device according to the present invention;

FIG. 2 is a top view of a hollow cylinder of a steel ball drop test apparatus of the present invention;

FIG. 3 is a side view of a placement trough of a steel ball drop test apparatus of the present invention;

FIG. 4 is a partial cross-sectional view of a test stand of a steel ball drop test apparatus of the present invention;

FIG. 5 is a top view of a testing table of the steel ball drop test device of the present invention;

FIG. 6 is a cross-sectional view of a metal mounting plate of the steel ball drop test apparatus of the present invention.

In the figure: the device comprises a test board 1, a hollow cylinder 2, a placing groove 3, a limit baffle 4, a controller 5, a built-in groove 6, a track groove 7, a movable block 8, a pressure sensor 9, a placing plate 10, a first servo motor 11, a slot 12, a first bearing 13, a first lead screw 14, a metal sliding plate 15, a metal mounting plate 16, a sliding groove 17, a second bearing 18, a second servo motor 19, a metal connecting plate 20, a metal circular tube 21, a second lead screw 22, a square sliding block 23, an electromagnet 24 and a steel ball 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a steel ball drop test device comprises a test board 1, wherein a hollow cylinder 2, a placing groove 3, a limiting baffle 4, a controller 5 and an internal groove 6 are arranged on the test board 1, the hollow cylinder 2 is fixedly connected to the left side of the upper end of the test board 1, the placing groove 3 is located on the right side of the interior of the test board 1, the limiting baffle 4 is movably connected to the interior of the right end of the test board 1, the controller 5 is fixedly connected to the side face of the test board 1, the internal groove 6 is located on the left side of the interior of the test board 1, a track groove 7 is arranged in the placing groove 3, the track groove 7 is connected with a pressure sensor 9 through a movable block 8, a placing plate 10 is fixedly connected to the upper end of the pressure sensor 9, and a first servo motor 11 is fixedly connected to the interior of the internal groove 6;

the hollow cylinder 2 is provided with a slot 12 and a first bearing 13, the slot 12 is positioned at the right end of the hollow cylinder 2, the first bearing 13 is fixedly connected at the bottom inside the hollow cylinder 2, the first bearing 13 is connected with a metal sliding plate 15 through a first screw rod 14, and the right end of the metal sliding plate 15 is fixedly connected with a metal mounting plate 16;

be provided with spout 17 on the metal mounting panel 16, second bearing 18 and second servo motor 19, spout 17 is located the inside of metal mounting panel 16 side, the inside left and right sides of second bearing 18 fixed connection at metal mounting panel 16, 19 fixed connection at the right-hand member of metal mounting panel 16 of second servo motor, spout 17 passes through metal connecting plate 20 and connects metal pipe 21, second bearing 18 passes through second lead screw 22 and connects square sliding block 23, the bottom fixedly connected with electro-magnet 24 of square sliding block 23, the bottom adsorption of electro-magnet 24 has steel ball 25.

In the invention, when the testing device is used, firstly, the movable block 8 is moved in the track groove 7 so as to adjust the distance between the two placing plates 10, then a sample is placed on the placing plates 10, then the controller 5 controls the operation conditions of the first servo motor 11 and the second servo motor 19, at the moment, the second servo motor 19 drives the second lead screw 22 to rotate through the second bearing 18, then the second lead screw 22 drives the square sliding block 23 to move in the metal mounting plate 16, at the moment, the electromagnet 24 drives the metal connecting plate 20 to move in the sliding groove 17 through the metal circular tube 21, when the electromagnet 24 moves to the metal mounting plate 16, the second servo motor 19 stops operating, then the electromagnet 24 is powered off, so that the steel ball 25 at the bottom of the electromagnet 24 freely falls off, at the moment, the electromagnet 24 is powered on again, at the moment, the steel ball 25 in the metal circular tube 21 slides to the bottom of the electromagnet 24 for adsorption, when the steel ball 25 falls on the sample, the sample can generate pressure on the pressure sensor 9, the controller 5 records and displays data detected by the pressure sensor 9, the first servo motor 11 drives the first screw rod 14 to rotate through the first bearing 13, then the first screw rod 14 drives the metal sliding plate 15 to move upwards in the slot 12, so that the height of the electromagnet 24 is adjusted, the steel ball 25 at the bottom of the electromagnet 24 falls freely, and the data detected by the pressure sensor 9 is recorded and displayed again.

In an alternative embodiment, the square slider 23 is movably connected inside the metal mounting plate 16 and movably connected with the outside of the second lead screw 22 through a thread, the left end of the second lead screw 22 is fixedly connected at the inner ring of the left second bearing 18, and the right end of the second lead screw 22 is fixedly connected with the output end of the second servo motor 19 through the right second bearing 18.

It should be noted that, the second servo motor 19 is convenient to drive the second lead screw 22 to rotate through the second bearing 18, and then the second lead screw 22 drives the square slider 23 to move inside the metal mounting plate 16.

In an alternative embodiment, the middle lower part of the metal round tube 21 is fixedly connected inside the metal connecting plate 20, the bottom of the metal round tube 21 is fixedly connected to the right side surface of the electromagnet 24, and one end of the metal connecting plate 20 is movably connected inside the sliding groove 17.

It is convenient to move the metal round tube 21 inside the chute 17 through the metal connecting plate 20.

In an alternative embodiment, the right end of the metal sliding plate 15 is fixedly connected to the left end of the metal mounting plate 16, and the left end of the metal sliding plate 15 passes through the inside of the slot 12 and is connected with the outside of the first lead screw 14 through a thread.

It should be noted that, it is convenient to make the first screw rod 14 drive the metal sliding plate 15 to move up and down inside the slot 12.

In an alternative embodiment, the lower end of the first lead screw 14 is fixedly connected with the output end of the first servo motor 11 through the inner ring of the first bearing 13.

It should be noted that, it is convenient to let the first servo motor 11 drive the first lead screw 14 to rotate through the first bearing 13.

In an alternative embodiment, the lower end of the movable block 8 is movably connected inside the track groove 7, and the upper end of the movable block 8 is fixedly connected with the lower end of the pressure sensor 9.

It should be noted that the movable block 8 is moved inside the track groove 7 with improved convenience.

In an alternative embodiment, two rail slots 7 are provided and symmetrically arranged at the bottom of the placing slot 3, and the right end of the rail slot 7 is communicated with the right end of the test bench 1.

It should be noted that the movable block 8 is conveniently moved out of the track groove 3.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.