CN223925964U - A drop test fixture - Google Patents

Abstract

This utility model discloses a drop testing fixture, comprising a frame, a material box, a drop mechanism, a pickup mechanism, and a visual inspection mechanism. The material box is mounted on the frame. The drop mechanism is mounted on the frame and is equipped with grippers positioned above the material box. The pickup mechanism is mounted on the frame and is equipped with pickup grippers that can move between the material box and the grippers. The visual inspection mechanism is mounted on the frame and electrically connected to the pickup mechanism. This drop testing fixture can automatically perform drop tests on equipment, reducing manual intervention, meeting the needs of large-scale, high-frequency testing, and improving testing efficiency.

Description

Drop test tool

Technical Field

The utility model relates to the field of 3C product testing equipment, in particular to a drop test tool.

Background

In the electronic product manufacturing industry, electronic devices may encounter various accidental drop situations during actual use. In order to ensure the quality and reliability of the products, strict drop tests need to be carried out on the devices, and drop scenes of different heights, angles and ground materials are simulated to evaluate the anti-drop performance of the devices. The existing drop test is only to place tested equipment on a clamp manually, and after the tested equipment is dropped, the tested equipment still needs to be picked up again manually, so that the efficiency of the mode is low, a large amount of time and physical strength are required to be consumed, and the test requirements of large scale and high frequency cannot be met, so that a drop test tool with high automation degree and capable of executing large-scale high-frequency drop tests is needed.

Disclosure of utility model

The utility model aims to provide a drop test fixture, which solves one or more technical problems in the prior art and at least provides a beneficial selection or creation condition.

The utility model solves the technical problems as follows:

a drop test tooling, comprising:

A frame;

A magazine mounted to the frame;

The falling mechanism is arranged on the rack and is provided with clamping jaws which are positioned above the material box;

A pick-up mechanism mounted to the frame, the pick-up mechanism being provided with a pick-up jaw, the pick-up jaw being movable between the magazine and the jaw;

And the visual detection mechanism is arranged on the rack and is electrically connected with the pickup mechanism.

The technical scheme has the advantages that when the equipment is subjected to drop test in daily life, the equipment is picked up by the pick-up clamping jaw, then placed on the clamping jaw, then released, the equipment falls freely from the clamping jaw above to the material box below, then data of the equipment drop test can be obtained, the position of the tested equipment in the material box is captured by the visual detection mechanism through the algorithm, the position data is transmitted to the pick-up mechanism, so that the pick-up clamping jaw is driven to move and capture the tested equipment, then the equipment is placed on the clamping jaw again, multiple tests of the same equipment are carried out, the equipment subjected to the test can be placed in a recovery area, a new equipment is picked up and placed on the clamping jaw, drop test of the next equipment is started, the automatic reciprocating motion of the pick-up mechanism in the scheme is adopted, the circulation of the tested equipment between the drop mechanism and the material box is realized, the intervention of manual operation is reduced, the automation degree of the drop test is improved, the time of the personnel on duty can be reduced, the all-weather operation of the drop test can be realized, and the unified angle of the equipment can be realized along with the same equipment.

As a further improvement of the technical scheme, the falling mechanism further comprises a stand column, the clamping jaw is installed on the stand column, the clamping jaw is provided with two first clamping ends, the two first clamping ends can move towards a mutual approaching or separating direction in a left-right direction, and a clamping space is formed between the two first clamping ends. The size of the clamping space is changed by moving the first clamping end, so that the tested equipment placed in the clamping space can be clamped in multiple postures.

As a further improvement of the above technical solution, the upright is provided with a first driving member having a first driving end capable of moving in the up-down direction, and the clamping jaw is connected to the first driving end. The clamping jaw is driven to move on the upright post through the first driving piece, so that the change of the tested equipment in height can be realized, and the range of a test experiment is further enlarged.

As a further improvement of the above technical solution, a visual detection space is formed in the cartridge, and at least one pushing unit is disposed in the cartridge, and the pushing unit has a pushing end, and the pushing end can move in a horizontal direction toward or away from the visual detection space. Because the detection range of the visual detection mechanism is limited, the falling space needs to be expanded as much as possible in the test, in order to enable the visual detection mechanism to accurately capture the position of the tested equipment, after the test is completed, the pushing end of the pushing unit operates to push the tested equipment positioned outside the visual detection space into the visual detection space, at the moment, the visual detection mechanism accurately captures the position of the tested equipment, and the picking clamping jaw can also accurately clamp the tested equipment.

As a further improvement of the above technical solution, the pushing unit further includes a pushing plate, the pushing plate is mounted on the pushing end, and the bottom of the pushing plate and the inner surface of the material box are in the same horizontal plane. Through the push plate, the pushing range of the pushing end can be enlarged, so that tested equipment falling into the material box can be stably pushed to the visual detection space.

As a further improvement of the above technical solution, the cartridge is provided with a plurality of the pushing units in the horizontal plane along the visual detection space circumference. After the plurality of pushing units are arranged, tested equipment at any position on the periphery of the visual detection space can be pushed, and the stability of the tested equipment entering the visual detection space is improved.

As a further improvement of the above technical solution, a cleaning unit is provided on the cartridge, the cleaning unit having a suction end, the suction end being movable within the cartridge. The cleaning unit can absorb the fragments falling out of the tested equipment after falling, so that the interior of the material box is clean, and the falling test data of the next time cannot be affected.

As a further improvement of the above technical solution, the cartridge can be moved and positioned in the up-down direction on the frame.

As a further improvement of the technical scheme, at least one light supplementing lamp is arranged on the visual detection mechanism. The inside region of magazine can be illuminated through the light filling lamp for visual detection mechanism can be clear observe and the survey equipment of locating in the magazine, improves the degree of accuracy of picking up.

As a further improvement of the above technical solution, the device further comprises a storage mechanism, wherein the storage mechanism is provided with a storage space, and the pick-up clamping jaw can move between the storage space and the clamping jaw. Through storage mechanism, be convenient for pick up the mechanism after accomplishing the test of a tested equipment, pick up next tested equipment fast and get into on the clamping jaw to carry out next round drop test, improved the degree of automation of equipment, reduce artifical the participation, thereby zero equipment satisfies the needs of extensive test.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the utility model, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.

FIG. 1 is a schematic diagram of the overall structure of a drop test fixture of the present utility model;

FIG. 2 is a schematic view of the overall structure of the jaw of the present utility model;

FIG. 3 is a schematic view of a part of the structure of the connecting position of the material box and the upright post;

FIG. 4 is a schematic view of the overall structure of the cartridge of the present utility model;

FIG. 5 is a schematic view of the overall structure of the cleaning unit of the present utility model;

FIG. 6 is a schematic view of the overall structure of the visual inspection mechanism of the present utility model;

Fig. 7 is a schematic overall structure of the pickup jaw of the present utility model.

Drawings

1. The device comprises a material box, 11, a pushing unit, 111, a pushing cylinder, 112, a pushing end, 113, a pushing plate, 12 and a material box lifting cylinder, 2, a falling mechanism, 21, a column, 211, a first driving piece, 212, a first driving end, 22, a clamping jaw, 221, a mounting rack, 222, a first clamping end, 223, a second driving piece, 3, a picking mechanism, 31, a picking jaw, 32, a six-axis robot, 33, a buffer cylinder, 34, a first buffer block, 35, a buffer elastic piece, 36, a second buffer block, 4, a visual detection mechanism, 41, a camera, 42, an annular frame, 43, a light supplementing lamp, 5, a cleaning unit, 51, a cleaning mounting rack, 52, a cleaning moving rack, 53, a dust collector and 54 and a suction nozzle.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements 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 utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the electronic product manufacturing industry, electronic devices may encounter various accidental drop situations during actual use. In order to ensure the quality and reliability of the products, strict drop tests need to be carried out on the devices, and drop scenes of different heights, angles and ground materials are simulated to evaluate the anti-drop performance of the devices.

The existing drop test is only to manually place tested equipment on a clamp, and after dropping, the tested equipment needs to be manually picked up again, so that the efficiency is low, and the control precision is insufficient.

Referring to fig. 1-7, the application provides a drop test tool, which comprises a frame (not shown in the drawing), a material box 1, a drop mechanism 2, a pick-up mechanism 3 and a visual detection mechanism 4, wherein the material box 1, the drop mechanism 2, the pick-up mechanism 3 and the visual detection mechanism 4 are all arranged on the frame.

The upper part of the material box 1 is opened, and marble is placed in the material box 1;

The falling mechanism 2 is provided with a clamping jaw 22, and the clamping jaw 22 is positioned right above the material box 1;

a pick-up mechanism 3 provided with a pick-up jaw 31, the pick-up jaw 31 being movable between the interior of the cartridge 1 and the jaw 22;

The visual detection mechanism 4 is electrically connected to the pickup mechanism 3, and can detect the position of the tested device in the material box 1, process the position information to form coordinate information and then transmit the coordinate information to the pickup mechanism 3, so that the pickup mechanism 3 can accurately clamp the tested device in the material box 1.

As can be seen from the above, when the drop test of the device under test is performed daily, the device under test is first grabbed up and then placed on the clamping jaw 22, then the clamping jaw 22 is released, the device under test is allowed to fall freely from the clamping jaw 22 to the lower magazine 1, the drop-resistant performance of the device under test is simulated in the use process, the position of the device under test in the magazine 1 is evaluated, the position information is then captured by the vision detection mechanism 4, the coordinate information is formed by processing the position information and then transmitted to the pick-up mechanism 3, so as to drive the pick-up clamping jaw 31 to move and grab the device under test, then the device under test is replaced on the clamping jaw 22, multiple tests of the same device are performed, the device under test can be placed in the recovery area, a new device under test is picked up and placed on the clamping jaw 22, and the drop test of the next device under test is started.

Through this drop test frock, only need provide sufficient equipment to be tested, under the automatic operation of picking up mechanism 3, realize the circulation of same equipment to be tested between magazine 1 and clamping jaw 22, at first through full automatization's equipment, can improve the accuracy of drop test obtained data, and compare in the staff, adjust the equipment to be tested through the clamping jaw, can the at utmost sight different gesture adjustment of same equipment to be tested or the unification of a plurality of different equipment gesture to be tested, guarantee the degree of accuracy of experimental data, secondly, can reduce artificial intervention through the drop test frock of automatic operation, satisfy large-scale, the test demand of high frequency, improve efficiency of software testing.

Referring to fig. 1 and 2, the falling mechanism 2 further includes a column 21, a clamping jaw 22 is mounted on the column 21, the clamping jaw 22 and the column 21 may be slidably connected through a guide rail or a clamping groove, the embodiment of the present application is not limited thereto, the clamping jaw 22 has two first clamping ends 222, a clamping space is formed between the two first clamping ends 222, the two first clamping ends 222 can move in directions close to or far from each other on a horizontal plane, specifically, a second driving member 223 is disposed on the clamping jaw 22, the clamping jaw 22 includes a mounting frame 221 and two sliding frames mounted on the mounting frame 221, the mounting frame 221 and the sliding frames may be slidably connected through a guide rail or a clamping groove, the embodiment of the present application is not limited thereto, the first clamping ends 222 are ends of the sliding frames far from the mounting frame 221, in some embodiments, the second driving member 223 is a driving cylinder, and the two sliding frames are respectively connected to two ends of the second driving member 223, when the second driving member 223 is started, the two sliding frames are driven to move on the mounting frame 221, thereby changing the size of the clamping space, and adapting to various forms of the tested equipment placed in the clamping space.

Referring to fig. 1 and 3, a first driving member 211 is further provided on the upright 21, the first driving member 211 has a first driving end 212 capable of moving up and down on the upright 21, a mounting frame 221 of the clamping jaw 22 is connected to the first driving end 212, the specific first driving member 211 may be a gear chain module or a belt pulley module, specifically, in this embodiment, a guide rail extending along a vertical direction is provided on the upright 21, the mounting frame 221 is slidably clamped to the guide rail, the first driving member 211 is a belt pulley module, which includes a motor, a pair of belt pulleys and a belt, the motor is mounted on the frame, the two belt pulleys are respectively rotatably mounted at two ends of the upright 21 along the up and down direction, the belt is wound around the two belt pulleys, the first driving end 212 is a connecting block, the connecting block is mounted on the belt and can move along the up and down direction along with the belt, the connecting block is connected to the mounting frame 221 of the clamping jaw 22, and the belt pulley is started to drive the belt pulley to rotate, so that the belt is driven by the first driving end 212 to move the clamping jaw 22 along the up and down direction on the guide rail of the upright 21, the first driving member 211 is driven by the first driving member 211 to move on the upright 21, further the tested and further the tested range of the tested height can be enlarged.

Referring to fig. 3 and 4, a visual detection space is formed in the cartridge 1, the projection of the visual detection space on the horizontal plane is located in the projection of the cartridge 1 on the same horizontal plane, at least one pushing unit 11 is provided in the cartridge 1, the pushing unit 11 has a pushing end 112, the pushing end 112 can move towards or away from the visual detection space in the horizontal direction, because the detection range of the visual detection mechanism 4 is limited, but the falling space needs to be expanded as much as possible in the test, in order to enable the visual detection mechanism 4 to accurately capture the position of the tested device, after the test is completed, the pushing end 112 of the pushing unit 11 operates to push the tested device located outside the visual detection space into the visual detection space, at this time, the visual detection mechanism 4 accurately captures the position of the tested device, and the picking-up clamping jaw 31 can accurately clamp the tested device.

The pushing unit 11 further comprises a pushing plate 113, a through hole for the pushing plate 113 to pass through is formed in the side wall of the material box 1, the pushing plate 113 is connected to the pushing end 112 of the pushing unit 11, the bottom of the pushing plate 113 and the upper surface of marble in the material box 1 are located on the same horizontal plane, and the scheme enlarges the pushing space through the pushing plate 113 in which the pushing end 112 can push, so that tested equipment falling into the material box 1 can be stably and exactly pushed into the visual detection space.

Specifically, in some embodiments, the pushing unit 11 includes a pushing cylinder 111 and a guide rail, the pushing cylinder 111 is fixedly installed in the magazine 1, a piston rod end of the pushing cylinder 111 is used as a pushing end 112, the piston rod is fixedly connected to the push plate 113, the push plate 113 is fixedly installed with the guide rail extending along the horizontal direction and towards the visual detection space, the magazine 1 is provided with a sliding block, the sliding block is provided with a sliding groove, the sliding block is clamped to the guide rail through the sliding groove, in this embodiment, at least one guide rail at the same pushing unit 11 is provided, this embodiment does not limit the number of the guide rails, and the sliding path of the push plate 113 is limited through the guide rail, so that the push plate 113 can stably move towards the visual detection space under the action of the pushing cylinder 111.

Still further, visual angle detection space is located the middle part of magazine 1, and magazine 1 is provided with a plurality of pushing units 11 along visual detection space circumference at the horizontal plane, and specifically, the cross-section of magazine 1 in horizontal plane department is the rectangle, and four lateral walls departments of magazine 1 all are provided with pushing units 11, through the cooperation of four pushing units 11 with promote in proper order, can pass the equipment of being tested of visual detection space week side optional position, improves the stability of being tested equipment entering visual detection space.

Referring to fig. 3 and 4, the cartridge 1 can move and position along the up-down direction in the frame, specifically, the frame is provided with a cartridge lifting cylinder 12 fixedly at the positions of two opposite sides outside the cartridge 1, the side wall of the cartridge 1 corresponding to the cartridge lifting cylinder 12 is connected to the end part of the piston rod of the cartridge lifting cylinder 12, an upward extending lifting guide rail is arranged on the frame, a guide groove is formed in the cartridge 1, the cartridge 1 is clamped to the lifting guide rail through the guide groove, and when the cartridge lifting cylinder 12 is started, the whole cartridge 1 can move and position along the up-down direction in the frame.

Referring to fig. 1 and 5, the cartridge 1 is provided with a cleaning unit 5, the cleaning unit 5 has a suction end, and the suction end can move in the cartridge 1 to suck the chips of the tested equipment falling into the cartridge 1, so that the interior of the cartridge 1 is kept clean and tidy every time a drop test is performed, and the next test data cannot be affected.

Specifically, the cleaning unit 5 comprises a cleaning mounting frame 51, a cleaning traversing cylinder, a cleaning moving frame 52, a cleaning lifting cylinder, a dust collector 53 and a suction nozzle 54, wherein the suction end is the output end of the suction nozzle 54, the cleaning mounting frame 51 is mounted on the material box 1 and is positioned on the outer side of the material box 1, the cleaning traversing cylinder is mounted on the cleaning mounting frame 51, the cleaning moving frame 52 is mounted on the movable end of the cleaning traversing cylinder, the cleaning moving frame 52 extends along the direction of moving along the direction of being vertical to the cleaning traversing cylinder and towards the inner direction of the material box 1, the cleaning lifting cylinder is mounted on one end of the cleaning moving frame 52 away from the cleaning mounting frame 51, the piston of the cleaning lifting cylinder moves along the up-down direction, the suction nozzle 54 is mounted on the bottom of the piston of the cleaning moving cylinder and the output end of the suction nozzle 54 faces the material box 1, the length direction of suction nozzle 54 is on a parallel with the lateral wall length direction of magazine 1 along the lateral wall length direction of the horizontal perpendicular to clean sideslip cylinder direction of movement, the mutual adaptation of length of both, dust catcher 53 is installed in clean removal frame 52, the output of dust catcher 53 communicates in suction nozzle 54 through the trachea, when clean subassembly is inoperative, clean sideslip cylinder promotes clean removal frame 52 and removes to the inside one side of magazine 1, dodge in space for normal drop test, when accomplishing the test, when cleaning needs, clean lift cylinder promotes suction nozzle 54 at first and moves down to be close to the inside marble surface of magazine 1, then dust catcher 53 starts, clean sideslip frame is promoted to remove gradually simultaneously, absorb clean everywhere on the marble surface.

Referring to fig. 1 and 6, the visual inspection mechanism 4 comprises a camera 41 and a camera mounting frame, wherein the camera mounting frame is mounted on the frame and is positioned above the material box 1, the camera 41 is mounted on the camera mounting frame, the visual inspection mechanism 4 further comprises at least one light supplementing lamp 43, the visual inspection mechanism 4 further comprises an annular frame 42 and a plurality of light supplementing lamps 43, the annular frame 42 is mounted on the frame, the annular frame 42 comprises a plurality of connecting rods arranged along the circumferential direction of the camera 41, the light supplementing lamps 43 and the connecting rods are in one-to-one correspondence, the light supplementing lamps 43 can rotate along the axis direction which is parallel to the straight line corresponding to the length direction of the connecting rods, the central camera 41 is supplemented with light through the annular light supplementing lamps 43, and the light supplementing effect is adjusted through rotating the light supplementing lamps 43, so that the monitoring effect of the visual inspection mechanism 4 is improved.

Referring to fig. 1 and 7, the pickup mechanism 3 further includes a six-axis robot 32, the pickup gripper 31 is mounted at an output end of the six-axis robot 32, an inductor and a buffer mechanism are further mounted at the output end of the six-axis robot 32, the inductor is used for sensing whether the pickup gripper 31 is clamped with the tested device, the buffer mechanism includes a buffer cylinder 33, a first buffer block 34, a buffer bolt and a second buffer block 36 which are sequentially connected, one end of the buffer cylinder 33, which is far away from the first buffer block 34, is connected to the six-axis robot 32, the buffer bolt is provided with two buffer bolts and is connected to the second buffer block 36 through threads after penetrating through the first buffer block 34, and the buffer bolt is sleeved with a buffer elastic member 35.

The drop test fixture further comprises a storage mechanism, the storage mechanism can be a storage rack, a hopper or other storage equipment which is adapted to tested equipment, the storage mechanism is not particularly limited to the storage mechanism, a storage space is formed in the storage mechanism, a plurality of orderly arranged placing grooves are formed in the storage space, the placing grooves can be used for placing a plurality of tested equipment, the pick-up clamping jaw 31 can move between the storage space and the clamping jaw 22, after the test of one tested equipment is completed, the next tested equipment can be quickly picked up to enter the clamping jaw 22, so that the next drop test is performed, the automation degree of the equipment is improved, manual participation is reduced, and the requirement of large-scale test is met by zero equipment.

While the preferred embodiment of the present utility model has been described in detail, the utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the utility model, and these modifications and substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. The utility model provides a drop test frock which characterized in that includes:

A frame;

a cartridge (1) mounted to the frame;

The falling mechanism (2) is arranged on the rack, the falling mechanism (2) is provided with clamping jaws (22), and the clamping jaws (22) are positioned above the material box (1);

-a pick-up mechanism (3) mounted to the frame, the pick-up mechanism (3) being provided with a pick-up jaw (31), the pick-up jaw (31) being movable between the magazine (1) and the jaw (22);

And the visual detection mechanism (4) is arranged on the rack, and the visual detection mechanism (4) is electrically connected with the pickup mechanism (3).

2. The drop test fixture according to claim 1, wherein the drop mechanism (2) further comprises a stand column (21), the clamping jaw (22) is mounted on the stand column (21), the clamping jaw (22) is provided with two first clamping ends (222), the two first clamping ends (222) can move in a left-right direction towards a direction approaching to or away from each other, and a clamping space is formed between the two first clamping ends (222).

3. A drop test fixture according to claim 2, wherein the upright (21) is provided with a first driving member (211), the first driving member (211) having a first driving end (212) movable in up-down direction, the clamping jaw (22) being connected to the first driving end (212).

4. A drop test fixture according to claim 1, characterized in that a visual inspection space is formed in the magazine (1), the projection of the visual inspection space on a horizontal plane is located in the projection of the magazine (1) on the same horizontal plane, at least one pushing unit (11) is arranged in the magazine (1), the pushing unit (11) is provided with a pushing end (112), and the pushing end (112) can move in a horizontal direction towards or away from the visual inspection space.

5. The drop test fixture according to claim 4, wherein the pushing unit (11) further comprises a push plate (113), the push plate (113) being connected to the pushing end (112).

6. A drop test fixture according to claim 4, wherein the magazine (1) is provided with a plurality of said pushing units (11) in the horizontal plane along the visual inspection space circumference.

7. A drop test fixture according to claim 1, characterized in that the cartridge (1) is provided with a cleaning unit (5), the cleaning unit (5) having a suction end which is movable within the cartridge (1).

8. A drop test fixture according to claim 1, characterized in that the magazine (1) is movable and positionable in up and down direction on the frame.

9. A drop test fixture according to claim 1, wherein the visual inspection means (4) is provided with at least one light compensating lamp (43).

10. A drop test fixture according to claim 1, further comprising a storage mechanism provided with a storage space, the pick-up jaw (31) being movable between the storage space and the jaw (22).