CN112964443A - Falling ball testing device - Google Patents
Falling ball testing device Download PDFInfo
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- CN112964443A CN112964443A CN202110241054.7A CN202110241054A CN112964443A CN 112964443 A CN112964443 A CN 112964443A CN 202110241054 A CN202110241054 A CN 202110241054A CN 112964443 A CN112964443 A CN 112964443A
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- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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Abstract
The invention discloses a falling ball testing device, belonging to the field of display panel testing, comprising: a base horizontally disposed; the object stage is arranged above the base and used for placing a panel to be detected, and the flatness of the object stage is adjustable; the bracket is arranged on the objective table; the ball falling assembly is connected to the support and used for adsorbing the steel balls and releasing the steel balls to one side of the objective table; the levelness adjusting assembly is arranged on the object stage and is used for adjusting the flatness of the object stage; the verticality adjusting assembly is arranged on the support and used for adjusting the verticality of the ball falling assembly. The levelness adjusting assembly is arranged, so that the levelness of the objective table is ensured, and the influence of the inclination of the panel to be detected on the accuracy of the steel ball falling result is avoided; through setting up the verticality adjusting part, reduce the deviation of actual ball position and target ball position of falling. The falling ball testing device is high in positioning precision and can improve the accuracy of a testing result.
Description
Technical Field
The invention relates to the technical field of display panel testing, in particular to a falling ball testing device.
Background
In order to evaluate the impact resistance of the display panel, a steel ball free drop test is required after the whole machine is assembled. However, the levelness of the floor is not controllable, so that the levelness of a carrier for placing the screen is influenced, an included angle is formed between the falling track of the steel ball and the screen, and the accuracy of the steel ball falling test result is influenced; meanwhile, the vertical degree of the steel ball adsorption unit is uncontrollable due to the fact that a cross rod connected with the steel ball adsorption unit is loosened or inclined, the actual falling track of the steel ball is inconsistent with a preset positioning laser path, deviation occurs between the actual falling position of the steel ball and the target falling position, and laser positioning accuracy is affected. Because accurate positioning cannot be realized, the test result has no transverse analysis value, and the data analysis difficulty is increased.
Therefore, it is desirable to provide a ball drop test apparatus to solve the above problems in the prior art.
Disclosure of Invention
The invention aims to provide a falling ball testing device which can reduce the deviation between the actual falling ball position and the target falling ball position of a steel ball, realize accurate positioning and improve the accuracy of a testing result.
In order to realize the purpose, the invention adopts the following technical scheme:
a ball drop test apparatus comprising:
a base horizontally disposed;
the object stage is arranged above the base and used for placing a panel to be detected, and the flatness of the object stage is adjustable;
the bracket is arranged on the objective table;
the ball falling assembly is connected to the support and used for adsorbing the steel ball and releasing the steel ball to one side of the objective table;
the levelness adjusting assembly is arranged on the object stage and is used for adjusting the planeness of the object stage;
the verticality adjusting assembly is arranged on the support and used for adjusting the verticality of the ball falling assembly.
As a preferable technical solution of the above ball drop test device, the levelness adjusting unit includes:
a plurality of first position sensor and a plurality of regulation pillar, the one-to-one and set up respectively in the edge of objective table, the both ends of adjusting the pillar are connected respectively the base with the objective table, every the height homoenergetic of adjusting the pillar can be according to the correspondence first position sensor's detected signal adjusts alone.
As a preferable embodiment of the above ball drop test device, the first position sensor is disposed on the upper surface of the stage and directly above the corresponding adjustment support.
As a preferable technical solution of the above ball drop test apparatus, the holder includes:
the horizontal ball falling device comprises a vertical rod and a horizontal rod, wherein the vertical rod is vertically connected with the objective table, the horizontal rod is vertically connected with the vertical rod, the height of the horizontal rod is adjustable, and the ball falling assembly is arranged on the horizontal rod.
As a preferable technical solution of the above ball drop test device, the verticality adjusting assembly includes:
the second position sensor is arranged on the horizontal rod and used for detecting the levelness of the horizontal rod;
and the adjusting unit is arranged on the bracket and can adjust the levelness of the horizontal rod according to the detection signal of the second position sensor.
As a preferable technical solution of the above ball drop test device, the second position sensors are provided in two numbers, and are respectively located at two ends of the horizontal rod.
As a preferred technical solution of the above ball drop test device, one end of the adjusting unit is connected to the end of the horizontal rod away from the vertical rod, and the other end is fixed to the vertical rod.
As a preferable aspect of the above ball drop test apparatus, the ball drop assembly includes:
the electromagnetic controller is used for adsorbing and releasing the steel ball;
and the infrared emitters are arranged at intervals along the circumferential direction of the electromagnetic controller at the edge of the electromagnetic controller so as to form an infrared positioning ring by downward projection.
As a preferable technical solution of the above ball drop test device, a plurality of the infrared emitters are arranged at equal intervals.
As an optimal technical scheme of the falling ball testing device, the objective table is quadrilateral, the first position sensors and the adjusting struts are all provided with four, and the four position sensors and the adjusting struts are arranged at four corners of the objective table in a one-to-one paired mode.
Compared with the prior art, the invention has the beneficial effects that:
according to the falling ball testing device, the objective table is arranged above the base, the flatness of the objective table is adjustable, the flatness of the objective table is adjusted by arranging the levelness adjusting assembly, and the level of the objective table is ensured, so that the influence on the accuracy of a steel ball falling result caused by the inclination of a panel to be detected is avoided; through setting up verticality adjusting part, realize falling the straightness's of straightness's regulation of ball subassembly, guarantee that the steel ball whereabouts route is unanimous with the location route to reduce the deviation of actual ball position and target ball position. This falling ball testing arrangement sets up the accurate location that can realize falling ball test process through above-mentioned structure, guarantees the degree of accuracy of test result.
Drawings
FIG. 1 is a schematic structural diagram of a ball drop test apparatus according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a ball drop assembly and a steel ball according to an embodiment of the present invention.
In the figure:
1-a base;
2-an object stage;
3-panel to be detected;
4-a scaffold; 41-vertical rod; 42-horizontal bar;
5-a ball drop assembly; 51-an electromagnetic controller; 52-an infrared emitter; 53-infrared positioning ring;
6-steel ball;
7-a first position sensor;
8-adjusting the strut;
9-a second position sensor;
10-a regulating unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The embodiment provides a falling ball testing device which is used for evaluating the impact resistance of plate workpieces such as display panels. As shown in fig. 1 and 2, the ball drop test device includes a base 1, a stage 2, a support 4, a ball drop assembly 5, a levelness adjustment assembly, and a verticality adjustment assembly. Wherein, base 1 level is placed, and objective table 2 interval sets up in base 1's top, and objective table 2 is used for placing and waits to detect panel 3, and objective table 2's plane degree is adjustable. Support 4 sets up on objective table 2, and ball dropping component 5 is connected in support 4, and ball dropping component 5 is used for adsorbing steel ball 6 and releases steel ball 6 to objective table 2 one side to utilize steel ball 6 to carry out free drop test.
The levelness adjusting assembly is arranged on the object stage 2 and is used for adjusting the planeness of the object stage 2 and ensuring the levelness of the object stage 2, so that the influence on the accuracy of a steel ball 6 falling result caused by the inclination of the panel 3 to be detected is avoided. The verticality adjusting assembly is arranged on the support 4 and used for adjusting the verticality of the ball falling assembly 5, and the falling path of the steel ball 6 is consistent with the positioning path, so that the deviation between the actual ball falling position and the target ball falling position is reduced. This falling ball testing arrangement sets up the accurate location that can realize falling ball test process through above-mentioned structure, guarantees the degree of accuracy of test result.
Further, levelness adjusting part includes a plurality of first position sensor 7 and a plurality of regulation pillar 8, and first position sensor 7 sets up with regulation pillar 8 one-to-one, and sets up respectively in the edge of objective table 2, and base 1 and objective table 2 are connected respectively to the both ends of adjusting pillar 8, and every height homoenergetic of adjusting pillar 8 can be adjusted alone according to the detection signal of the first position sensor 7 that corresponds.
Further, the first position sensor 7 is disposed on the upper surface of the stage 2 and directly above the corresponding adjustment stay 8.
The panel 3 to be detected in this embodiment is a rectangular display panel, and therefore the base 1 and the objective table 2 are both quadrilateral, corresponding, and the first position sensor 7 and the adjusting support 8 are both provided with four, and are arranged at four corners of the objective table 2 in pairs in a one-to-one correspondence. The flatness of the object stage 2 is initially adjusted before the ball drop test: four first position sensors 7 that are located objective table 2 four corners are mutually respond to, and when detecting that certain corner is not in same horizontal plane, the regulation pillar 8 of this first position sensor 7 below carries out automatic rising, until the adjustment all is in same horizontal plane to the four corners, guarantees objective table 2's plane degree.
The support 4 is used for bearing the ball dropping assembly 5, and the support 4 includes a vertical rod 41 and a horizontal rod 42, the vertical rod 41 is vertically connected with the object stage 2, the horizontal rod 42 is vertically connected with the vertical rod 41, the connection manner may be, for example, welding, and the like, and is not limited in particular. The height of the horizontal rod 42 is adjustable, and the ball falling assembly 5 is arranged on the horizontal rod 42. The height requirements of different ball drop tests are met by adjusting the height of the horizontal rod 42.
Further, the vertical degree adjustment assembly includes a second position sensor 9 and an adjustment unit 10. Wherein, the second position sensor 9 is arranged on the horizontal rod 42 for detecting the levelness of the horizontal rod 42. The adjusting unit 10 is disposed on the support 4, and can adjust the levelness of the horizontal rod 42 according to the detection signal of the second position sensor 9, thereby ensuring the vertical degree of the ball dropping assembly 5.
Preferably, the second position sensors 9 are provided in two, one at each end of the horizontal rod 42. Further preferably, the adjusting unit 10 in this embodiment is a retractable steel cable, one end of which is connected to the end of the horizontal rod 42 away from the vertical rod 41, and the other end of which is fixed to the vertical rod 41. The levelness of the horizontal rod 42 is initially adjusted before the ball drop test: the two second position sensors 9 positioned at the two ends of the horizontal rod 42 mutually sense, when the horizontal rod 42 is detected not to be on the same horizontal line, the steel rope automatically loosens or tightens until the horizontal rod 42 is completely horizontal, the falling process of the steel ball 6 is ensured to be completely vertical, and the accuracy of the actual ball falling position is improved. The adjusting unit 10 of this embodiment is preferably a steel rope, which can ensure strength. In other embodiments, the adjusting unit 10 may also be a fiber rope or other metal rope as long as it can be loosened and tightened.
The ball dropping assembly 5 in this embodiment includes an electromagnetic controller 51, and the electromagnetic controller 51 realizes the adsorption and release of the steel ball 6 through an electromagnetic field switch. When the existing ball falling device is used, the positioning laser is arranged in the center of the adsorption position of the steel ball 6, the steel ball 6 is shielded after being placed and in the falling process, and whether the ball falling position is a positioning point or not cannot be accurately judged. For this, the ball dropping unit 5 in the present embodiment further includes a plurality of infrared emitters 52, and the plurality of infrared emitters 52 are disposed at intervals along the circumferential direction of the electromagnetic controller 51 at the edge of the electromagnetic controller 51 to form an infrared bezel 53 by projecting downward. In the embodiment, the real-time monitoring of the target ball falling position and the actual ball falling position is realized through the annular infrared positioning ring 53.
Preferably, the plurality of infrared emitters 52 are equally spaced. Specifically, the number of the infrared emitters 52 is preferably equal to or greater than 8, such as 9, 12, 15, etc., so that the infrared locating ring 53 can be formed on the panel 3 to be detected.
The test procedure of the ball drop test apparatus is as follows:
firstly, placing a panel 3 to be detected on an object stage 2, starting an infrared emitter 52 around an electromagnetic controller 51, and moving the panel 3 to be detected to enable an infrared positioning ring 53 to be superposed on a target ball falling position;
then, the electromagnetic controller 51 is remotely powered off, the steel ball 6 is released, and the deviation between the actual ball falling position and the target ball falling position can be observed in real time when the steel ball 6 vertically falls to the panel 3 to be detected.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A ball drop test apparatus, comprising:
a base (1) horizontally placed;
the object stage (2) is arranged above the base (1), the object stage (2) is used for placing a panel (3) to be detected, and the flatness of the object stage (2) is adjustable;
a support (4) arranged on the objective table (2);
the ball falling assembly (5) is connected to the support (4), and the ball falling assembly (5) is used for adsorbing a steel ball (6) and releasing the steel ball (6) to one side of the objective table (2);
the levelness adjusting assembly is arranged on the object stage (2) and is used for adjusting the planeness of the object stage (2);
the verticality adjusting assembly is arranged on the support (4) and is used for adjusting the verticality of the ball falling assembly (5).
2. The ball drop test device of claim 1, wherein the levelness adjustment assembly comprises:
a plurality of first position sensor (7) and a plurality of regulation pillar (8), one-to-one and set up respectively in the edge of objective table (2), the both ends of adjusting pillar (8) are connected respectively base (1) with objective table (2), every the height homoenergetic of adjusting pillar (8) can be according to the correspondence the detection signal of first position sensor (7) is adjusted alone.
3. The ball drop test apparatus of claim 2,
the first position sensor (7) is arranged on the upper surface of the object stage (2) and is positioned right above the corresponding adjusting support (8).
4. A falling ball testing device according to claim 1, wherein the holder (4) comprises:
the ball dropping device comprises a vertical rod (41) and a horizontal rod (42), wherein the vertical rod (41) is vertically connected with an object stage (2), the horizontal rod (42) is vertically connected with the vertical rod (41), the height of the horizontal rod (42) is adjustable, and a ball dropping component (5) is arranged on the horizontal rod (42).
5. The ball drop test device of claim 4, wherein the verticality adjustment assembly comprises:
the second position sensor (9) is arranged on the horizontal rod (42) and used for detecting the levelness of the horizontal rod (42);
and the adjusting unit (10) is arranged on the bracket (4) and can adjust the levelness of the horizontal rod (42) according to the detection signal of the second position sensor (9).
6. The ball drop test apparatus of claim 5,
the number of the second position sensors (9) is two, and the two second position sensors are respectively positioned at two ends of the horizontal rod (42).
7. The ball drop test apparatus of claim 5,
one end of the adjusting unit (10) is connected with the tail end, far away from the vertical rod (41), of the horizontal rod (42), and the other end of the adjusting unit is fixed on the vertical rod (41).
8. A drop ball test device according to claim 1, wherein the drop ball assembly (5) comprises:
an electromagnetic controller (51) for adsorbing and releasing the steel ball (6);
and the infrared emitters (52) are arranged at the edge of the electromagnetic controller (51) at intervals along the circumferential direction of the electromagnetic controller (51) so as to form an infrared positioning ring (53) by downward projection.
9. The ball drop test apparatus of claim 8,
the infrared emitters (52) are arranged at equal intervals.
10. The ball drop test apparatus of claim 2,
the object stage (2) is quadrilateral, the first position sensors (7) and the adjusting struts (8) are all provided with four, and the four positions are in one-to-one paired arrangement at four corners of the object stage (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110241054.7A CN112964443A (en) | 2021-03-04 | 2021-03-04 | Falling ball testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110241054.7A CN112964443A (en) | 2021-03-04 | 2021-03-04 | Falling ball testing device |
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| CN112964443A true CN112964443A (en) | 2021-06-15 |
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| CN202110241054.7A Pending CN112964443A (en) | 2021-03-04 | 2021-03-04 | Falling ball testing device |
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| CN (1) | CN112964443A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390599A (en) * | 2021-07-29 | 2021-09-14 | 业成科技（成都）有限公司 | Falling ball test fixture and method |
| CN114608780A (en) * | 2022-02-11 | 2022-06-10 | 联宝(合肥)电子科技有限公司 | Falling ball testing device |
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2021
- 2021-03-04 CN CN202110241054.7A patent/CN112964443A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20210615 |