CN111693241A - A percussion device for display module assembly detects - Google Patents
A percussion device for display module assembly detects Download PDFInfo
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- CN111693241A CN111693241A CN202010528940.3A CN202010528940A CN111693241A CN 111693241 A CN111693241 A CN 111693241A CN 202010528940 A CN202010528940 A CN 202010528940A CN 111693241 A CN111693241 A CN 111693241A
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- Prior art keywords
- display module
- bearing
- horizontal axis
- circuit board
- bracket
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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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The embodiment of the invention discloses a percussion device for detecting a display module, which comprises a percussion mechanism and a bearing mechanism for bearing the display module; the impact mechanism comprises a bracket and a striker which is arranged on the bracket and can do free-falling body movement under the action of gravity; the bearing mechanism comprises a base and a rotating frame which is rotatably arranged on the base and can rotate around a horizontal axis; the rotating frame comprises a bottom plate part and a bearing plate which is positioned on the bottom plate part and used for bearing and fixing the display module; the bearing plate comprises an edge part for carrying and fixing the flexible circuit board on the display module; the flexible circuit board is coaxially arranged with the horizontal axis relative to the bending axis of the edge part; the axis of the striker and the horizontal axis are located in the same vertical plane. The impact device can detect the performance influence of the display module on the flexible circuit board in a falling state at different impact heights, different impact positions and different impact angles.
Description
Technical Field
The invention relates to the technical field of display module detection, in particular to a collision device for display module detection.
Background
The display module is used as an important component of most of the current electronic equipment, has the advantages of lightness, thinness and low energy consumption, and is widely applied to various display equipment at present. Among them, the flexible circuit board, also called as flexible circuit board, is called as FPC for short, has the characteristics of high wiring density, light weight, thin thickness and good bending property, and has been used in products such as mobile phones, computers, liquid crystal screens and the like. The flexible circuit board is attached to the back face of the display module after being bent in the prior art, so that the power supply and control functions of the display module are achieved.
In real life, the electronic display device is often dropped, so that the performance of the electronic device is easily affected, and even the electronic device is damaged.
Therefore, in order to overcome the technical defects of the prior art, a need exists for a percussion device for display module detection.
Disclosure of Invention
The invention aims to provide a percussion device for display module detection, which is used for solving at least one of the problems in the prior art.
In order to achieve the above object, the present invention provides a bump apparatus for display module detection, comprising: the impact mechanism and the bearing mechanism are used for bearing the display module; the impact mechanism comprises a bracket; and a striker arranged on the support and capable of freely falling under the action of gravity; the bearing mechanism comprises a base and a rotating frame which is rotatably arranged on the base and can rotate around a horizontal axis; the rotating frame comprises a bottom plate part and a bearing plate which is positioned on the bottom plate part and used for bearing and fixing the display module; the bearing plate comprises an edge part for carrying and fixing the flexible circuit board on the display module; the flexible circuit board is coaxially arranged with the horizontal axis relative to the bending axis of the edge part; the axis of the striker and the horizontal axis are located in the same vertical plane.
In one embodiment, the bearing mechanism comprises a camera positioned on the bottom plate part, and a lens of the camera corresponds to the edge part of the bearing plate; the camera is configured to photograph an impact position when the striker impacts the flexible circuit board.
In one embodiment, the rotating frame comprises a side wall part, and the side wall part is fixedly connected with the base through a rotating shaft; the axis of the rotating shaft is the horizontal axis.
In one embodiment, the base comprises a base frame and a first side frame body and a second side frame body which are arranged on the base frame in an opposite mode; the rotating frame comprises a first side wall part and a second side wall part which are positioned at two opposite end parts of the bottom plate part; the first side wall part is connected with the first side frame body through a first rotating shaft; the second side wall part is connected with the second side frame body through a second rotating shaft; the first rotating shaft and the second rotating shaft are coaxially arranged.
In one embodiment, the device further comprises a displacement mechanism located on the bottom plate portion; the displacement mechanism is configured at least to drive the carrier plate to move in the direction of a horizontal axis; the displacement mechanism comprises a first fixed part fixedly combined on the bottom plate part and a first moving part which is positioned on the first fixed part and can move along the direction of a horizontal axis, and the bearing plate is fixedly combined on the first moving part.
In one embodiment, the device further comprises a driving mechanism for driving the rotating frame to rotate around a horizontal axis; the driving mechanism comprises a guide rail; the sliding block is positioned on the guide rail and can move along the extending direction of the guide rail; and the two end parts of the driving rod are respectively hinged and fixed with the sliding block and the bottom plate part of the rotating frame.
In one embodiment, the bracket includes a vertical portion; the impact mechanism comprises a release piece which is fixed on the vertical part of the bracket through a first support arm and is used for fixing or releasing the striker; and a guide fixed to the vertical portion of the bracket by a second support arm; the guide piece is located the below position of release, the lance wears to establish in the guide piece.
In one embodiment, the position of the first arm relative to the upright of the stand is adjustable in the direction of extension of the upright of the stand, and the position of the second arm relative to the upright of the stand is adjustable in the direction of extension of the upright of the stand.
In one embodiment, the release member is an electromagnet which is fixedly attached to one end of the striker.
In one embodiment, the guide is an air bearing.
The invention has the following beneficial effects:
aiming at the problems in the prior art, the invention provides the impact device for detecting the display module, which simulates the impact on the flexible circuit board when the display module falls through the impact rod and the rotating frame of the free falling body, so that the influence of impacts at different impact angles on the performance of the flexible circuit board when the display module falls can be detected; in addition, the displacement mechanism for driving the bearing plate to move along the direction of the horizontal axis is arranged, so that the influence of different impact positions on the performance of the flexible circuit board can be detected; moreover, the first supporting arm is arranged to be adjustable relative to the position of the vertical portion of the support, so that the impact height of the impact rod is adjustable, and the influence of different impact heights on the performance of the flexible circuit board can be detected.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 shows a schematic construction of a percussion device according to an embodiment of the invention.
Fig. 2 shows a partially enlarged view of a portion a in fig. 1.
Fig. 3 shows a schematic structural view of a base according to an embodiment of the present invention.
Fig. 4 shows a schematic view of a rotary stand rotating percussion device according to still another embodiment of the present invention.
Fig. 5 shows a partially enlarged view of a portion B in fig. 4.
Fig. 6 is a schematic view showing a structure of a base on which a spin stand according to still another embodiment of the present invention rotates.
Fig. 7 shows a schematic structural view of a striking mechanism of an embodiment of the present invention.
Fig. 8 shows a partially enlarged view of a portion C in fig. 7.
Fig. 9 shows a partially enlarged view of a portion D in fig. 7.
Fig. 10 shows a schematic structural view of a striking mechanism of a further embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below with reference to preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
In the real life, the condition that electronic equipment fell often can appear, influence electronic equipment's performance easily, can lead to electronic equipment to damage even, wherein main reason lies in when electronic equipment falls, the laminating receives the striking of different degrees easily at the flexible circuit board of display module assembly back department after buckling, like different height, different positions, different angles are to the striking of flexible circuit board, thereby lead to the impaired even flexible circuit board fracture of flexible circuit board's performance, and then can't normally supply power or control for display module assembly, lead to the display module assembly to damage. Therefore, in order to verify the impact of the falling impact on the performance of the flexible circuit board, it is necessary to perform an impact test on the flexible circuit board, but a test apparatus for performing the impact test on the display module or the flexible circuit board is not disclosed in the prior art at present.
In view of the technical problems in the prior art, the present invention provides a percussion device for display module detection, as shown in fig. 1-10, the percussion device includes a percussion mechanism and a carrying mechanism for carrying a display module; the striking mechanism comprises a bracket 10 and a striking rod 11 which is arranged on the bracket 10 and can make free-falling body movement under the action of gravity; the bearing mechanism comprises a base 20 and a rotating frame 21 which is rotatably arranged on the base 20 and can rotate around a horizontal axis; in one embodiment, the horizontal axis is the axis of the shaft that rotatably connects the rotating frame 21 and the base 20. The rotating frame 21 comprises a bottom plate portion 211 and a bearing plate 212 positioned on the bottom plate portion 211 and used for bearing and fixing the display module; the carrier plate 212 includes an edge portion 2121 for mounting and fixing the flexible circuit board 30 on the display module, and the bending axis of the flexible circuit board 30 relative to the edge portion 2121 is coaxial with the horizontal axis; in a specific embodiment, the supporting board 212 is vertically disposed, the display module is disposed on one side of the supporting board 212, the flexible circuit board is disposed on the other side of the supporting board 212, and the bent portion of the flexible circuit board 30 is disposed on the edge portion 2121 of the supporting board 212. The axis of the plunger 11 and the horizontal axis are located in the same vertical plane, that is, when the plunger 11 makes free-fall movement downward under the action of its own gravity, the striking head 111 of the plunger 11 strikes against the bent portion of the flexible circuit board 30; when the rotating frame 21 rotates around the horizontal axis to drive the bearing plate 212 to rotate, the impact head 111 of the impact rod 11 makes a free-falling motion downwards and always impacts the bent part of the flexible circuit board 30, so that the bent part of the flexible circuit board of the display module is at the same position at any rotation angle, and the impact head of the impact rod can impact the same position of the flexible circuit board at any rotation angle. In a specific embodiment, the carrier plate 212 further includes a display module electrical connector 2122 for lighting the display module. In another specific embodiment, the carrying mechanism includes a camera 22 located on the bottom plate portion 211, and a lens of the camera 22 corresponds to the edge portion 2121 of the carrying plate 212, i.e. to the bent portion of the flexible circuit board; the camera is configured to photograph an impact position when the plunger impacts the flexible circuit board, thereby observing an impact of the plunger on the performance of the flexible circuit board. It can be understood that when the rotating frame 21 rotates about the horizontal axis, the camera 22 rotates together with the bottom plate portion 211, and the lens of the camera 22 always corresponds to the bent portion of the flexible circuit board. In one embodiment, the ram is provided with a pressure sensor 112 for monitoring the impact force; in another specific embodiment, the rotating frame further comprises a digital display level for displaying the rotating angle of the rotating frame.
As shown in fig. 1 to 6, the operation of the percussion device of this embodiment is as follows:
first, the display module and the flexible circuit board are mounted on the carrier 212, wherein the display module is disposed on one side of the carrier 212, the flexible circuit board 30 is disposed on the back side of the carrier 212, and the bent portion of the flexible circuit board 30 is mounted on the edge portion 2121 of the carrier 212. Meanwhile, the display module is electrically connected to the display module electrical connector 2122 for lighting the display module. The plunger 11 makes a free-falling body movement downwards under the action of its own gravity, the striking head 111 of the plunger 11 strikes on the bent portion of the flexible circuit board 30, and the striking position of the plunger 11 striking the flexible circuit board 30 is observed through the camera 22, and whether the display effect of the display module is affected is observed. Then, by rotating the rotating frame 21 and adjusting the angle of the bearing plate 212, the striker 11 makes a free-fall movement downward again, the striking head 111 of the striker 11 strikes on the bent portion of the flexible circuit board 30, and the striking position of the striker 11 striking the flexible circuit board 30 is observed through the camera 22, and meanwhile, whether the display effect of the display module is affected is observed.
The impact device in the embodiment can simulate the impact on the flexible circuit board when the display module falls through the impact rod which performs free falling motion downwards and the bearing plate which fixes the display module; meanwhile, due to the arrangement of the rotatable rotating frame, the impact of the flexible circuit board at different angles when the display module falls can be simulated, so that the influence of the impact of different impact angles on the performance of the flexible circuit board when the display module falls can be detected;
in a specific embodiment, the rotating frame comprises a side wall part, and the side wall part is fixedly connected with the base through a rotating shaft; the axis of the shaft is the horizontal axis, i.e. in this embodiment the rotating frame rotates about the axis of the shaft. In another specific embodiment, as shown in fig. 3 and 6, the base 20 includes a base frame 201 and a first side frame 202 and a second side frame 203 oppositely disposed on the base frame 201; the rotating frame 21 comprises a first side wall part 213 and a second side wall part 214 which are positioned at two opposite ends of the bottom plate part 211; the first side wall 213 is connected to the first side frame 202 via a first shaft; the second side wall portion 214 is connected to the second side frame body 203 through a second rotating shaft; the first rotating shaft and the second rotating shaft are coaxially arranged, namely, the axes of the first rotating shaft and the second rotating shaft are horizontal axes, and the rotating frame rotates around the axis of the first rotating shaft or the axis of the second rotating shaft. In another specific embodiment, the rotating frame 21 further comprises a first bearing 215 disposed on the first rotating shaft and a second bearing 216 disposed on the second rotating shaft.
In one particular embodiment, as shown in FIGS. 1-6, the device further includes a displacement mechanism located on the bottom plate portion 211; the displacement mechanism is configured at least to drive the carrier plate to move along the direction of the horizontal axis; the displacement mechanism includes a first fixing portion 40 fixed on the bottom plate portion 211, and a first moving portion (not shown) located on the first fixing portion 40 and capable of moving along the horizontal axis, wherein the bearing plate 212 is fixed on the first moving portion. In a specific embodiment, the first fixed portion is a slide rail, the first moving portion is a slide block, and a hand wheel 41 is further disposed at one end of the slide rail. The hand wheel is shaken to control the sliding block to move on the sliding rail, so that the bearing plate fixedly combined with the sliding block is driven to move along the direction of the horizontal axis, and the impact position of the impact head of the impact rod can be adjusted. It will be appreciated by those skilled in the art that the displacement mechanism may also be driven by a driving motor, or other driving means similar to the driving motor for driving the movement of the first moving part along the horizontal axis, and the invention is not further limited in this regard. Through setting up the displacement mechanism that the drive loading board moved along the direction of horizontal axis, the striking position of the striking head of adjustment lance to the influence of different striking positions to flexible circuit board's performance can be detected.
By defining the direction of the horizontal axis as the X direction, the direction perpendicular to the X direction on the plane of the bottom plate portion 211 is the Y direction; the direction perpendicular to the plane of the bottom plate 211 is the Z direction. In another specific embodiment, the displacement mechanism further includes a second fixed portion fixed to the first movable portion and extending in the Y direction, a second movable portion located on the second fixed portion and movable in the Y direction, and a driving portion located on the second movable portion, wherein the carrier plate is disposed on the driving portion, and the driving portion can drive the carrier plate to move in the Z direction. Namely, the second moving part can move on the second fixed part along the Y direction, so as to drive the bearing plate to move along the Y direction; in addition, the driving part can drive the carrier plate to move in the Z direction, that is, the carrier plate can move in X, Y or Z direction. This embodiment can carry out three degrees of freedom in the space through realizing the loading board and adjust for the ram can strike the different positions of flexible circuit board, and then measures the different positions of flexible circuit board and receives the influence of striking to the performance of flexible circuit board. In another embodiment, the three degrees of freedom adjustment of the carrier plate can be performed manually, for example by using a displacement adjustment table or similar device.
In yet another embodiment, as shown in fig. 1-6, the striking device further comprises a driving mechanism 50 for driving the rotating frame 21 to rotate around a horizontal axis; the driving mechanism 50 comprises a guide rail 51 and a slide block 52 which is positioned on the guide rail 51 and can move along the extending direction of the guide rail 51; and a driving rod 53 having both ends hinged to the slider 52 and the bottom plate 211 of the rotating frame 21. In another embodiment, a rotating wheel 54 is further disposed at one end of the guide rail 51, the rotating wheel 54 is connected to the slider 52 through a screw nut structure, the slider 52 is driven to move on the guide rail 51 by swinging the rotating wheel 54, and the driving rod 53 is further driven, and the driving rod 53 drives the rotating frame 21 to rotate around the horizontal axis. In a specific embodiment, the rotation angle of the rotating frame is 0-60 °. The person skilled in the art will understand that the drive mechanism may also be provided with a drive motor, or other drive means similar to said drive motor, for driving the slider in the extension direction of the guide rail. In another embodiment, the sliding block may be omitted, and the rotation of the rotating frame is controlled by directly hinging and fixing one end of the electric cylinder or the air cylinder and hinging the other end of the electric cylinder or the air cylinder with the bottom plate, and the electric cylinder or the air cylinder extends and retracts, which is not further limited in the present invention.
In yet another specific embodiment, as shown in fig. 7-10, the stand 10 includes a vertical portion 101 and a base 102; the striking mechanism also comprises a release piece which is fixed on the vertical part 101 of the bracket 10 through a first support arm 12 and is used for fixing or releasing the striking rod 11; and a guide fixed to the vertical portion 101 of the stand 10 by a second arm 13; the guide is located at the lower position of the release part, and the striker 11 is arranged in the guide in a penetrating manner. In a specific embodiment, the releasing element is an electromagnet 14 which is fixedly adsorbed with one end of the striker 11, and the free falling motion of the striker 11 passing through the guide element is controlled by controlling the on-off of the electromagnet 14. Through the arrangement of the electromagnet which is fixedly adsorbed with the surface of one end of the impact bar, the friction force between the electromagnet and the impact bar can be reduced, and the free falling body state can be simulated as much as possible. In another specific embodiment, the guiding element is a plurality of coaxially arranged air bearings 15, and the plunger 11 is inserted into the plurality of air bearings 15. As shown in fig. 7-10, the air bearing 15 further includes an air inlet 151, and air is introduced into the air inlet 151, so that air is uniformly blown to the plunger 11 around the inside of the air bearing 15, and the plunger 11 is located at the center of the hole of the air bearing 15 and does not contact with the inner wall of the air bearing 15, thereby ensuring that the plunger is effectively fixed and the free falling effect of the plunger is achieved.
In yet another specific embodiment, as shown in fig. 7 to 10, the position of the first arm 12 with respect to the vertical portion 101 of the stand 10 is adjustable in the extending direction of the vertical portion 101 of the stand 10, and the position of the second arm 13 with respect to the vertical portion 101 of the stand 10 is adjustable in the extending direction of the vertical portion 101 of the stand 10. As shown in fig. 7-10, the striking mechanism includes a first rail member for moving the first arm along the extending direction of the vertical portion of the bracket, the first rail member includes a first slide rail 16 fixed to the vertical portion of the bracket and a first slide block 17 moving on the first slide rail 16, and the first slide block 17 is fixed to the first arm 12; similarly, in another specific embodiment, the striking mechanism includes a second rail member for moving the second arm 13 along the extending direction of the vertical portion 101 of the bracket 10, the second rail member includes a second slide rail 18 fixed to the vertical portion 101 of the bracket 10 and a second slide block 19 moving on the second slide rail 18, and the second slide block 19 is fixed to the second arm 13; it will be understood by those skilled in the art that the first rail member and the second rail member may further include a driving motor, or other driving device similar to the driving motor for driving the second slider to move along the extending direction of the second rail, and the invention is not limited thereto. Through setting up for the first support arm and the second support arm of the vertical position adjustable of support, can adjust the height of lance and guide at any time, and then the height of adjustment lance free fall to detect the influence of different striking height to flexible circuit board's performance.
In a specific embodiment, a first displacement sensor is arranged on the first support arm, and a second displacement sensor is arranged on the second support arm; the first displacement sensor and the second displacement sensor are used for monitoring the falling distance of the striker. In one specific embodiment, the first displacement sensor has an accuracy of 30 μm and the second displacement sensor has an accuracy of up to 0.25 μm. In another specific embodiment, the impact device further comprises upper computer software which can calculate the energy of the impact moment of the impact rod through the falling distance of the impact rod.
It will be understood by those skilled in the art that several of the above embodiments can be freely combined, for example, in a specific embodiment, the striking device includes a striking mechanism and a bearing mechanism, a displacement mechanism 40 for driving the bearing plate 212 to move along the direction of the horizontal axis and a driving mechanism 50 for driving the rotating frame 21 to rotate around the horizontal axis, a releasing member fixed on the vertical stand portion 101 through the first arm 12 for fixing or releasing the striking rod 11, and a guiding member fixed on the vertical stand portion 101 through the second arm 13, and the positions of the first arm 12 and the second arm 13 relative to the vertical stand portion 101 are adjustable in the extending direction of the vertical stand portion 101. The impact device of the embodiment can detect the influence of impacts of different impact heights, different impact positions and different impact angles on the performance of the flexible circuit board, and the impact device is not limited in any way.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (10)
1. The utility model provides a percussion device for display module assembly detects which characterized in that includes:
the impact mechanism and the bearing mechanism are used for bearing the display module;
the striking mechanism includes:
a support; and
the striker is arranged on the bracket and can make free-falling body movement under the action of gravity;
the bearing mechanism comprises:
a base, and
a rotating frame rotatably disposed on the base and rotatable about a horizontal axis;
the rotating frame comprises a bottom plate part and a bearing plate which is positioned on the bottom plate part and used for bearing and fixing the display module;
the bearing plate comprises an edge part for carrying and fixing the flexible circuit board on the display module;
the flexible circuit board is coaxially arranged with the horizontal axis relative to the bending axis of the edge part;
the axis of the striker and the horizontal axis are located in the same vertical plane.
2. The apparatus of claim 1,
the bearing mechanism comprises a camera positioned on the bottom plate part, and a lens of the camera corresponds to the edge part of the bearing plate;
the camera is configured to photograph an impact position when the striker impacts the flexible circuit board.
3. The apparatus of claim 1,
the rotating frame comprises a side wall part, and the side wall part and the base are fixedly connected through a rotating shaft;
the axis of the rotating shaft is the horizontal axis.
4. The apparatus of claim 1,
the base comprises a bottom frame, and a first side frame body and a second side frame body which are oppositely arranged and are positioned on the bottom frame;
the rotating frame comprises a first side wall part and a second side wall part which are positioned at two opposite end parts of the bottom plate part;
the first side wall part is connected with the first side frame body through a first rotating shaft;
the second side wall part is connected with the second side frame body through a second rotating shaft;
the first rotating shaft and the second rotating shaft are coaxially arranged.
5. The apparatus of claim 1,
the device also comprises a displacement mechanism positioned on the bottom plate part;
the displacement mechanism is configured at least to drive the carrier plate to move in the direction of a horizontal axis;
the displacement mechanism comprises a first fixed part fixedly combined on the bottom plate part and a first moving part which is positioned on the first fixed part and can move along the direction of a horizontal axis, and the bearing plate is fixedly combined on the first moving part.
6. The apparatus of claim 1,
the device also comprises a driving mechanism for driving the rotating frame to rotate around a horizontal axis;
the drive mechanism includes:
a guide rail;
the sliding block is positioned on the guide rail and can move along the extending direction of the guide rail; and
and the two end parts are respectively hinged and fixed with the sliding block and the bottom plate part of the rotating frame.
7. The apparatus of claim 1,
the bracket comprises a vertical part;
the striking mechanism comprises:
a release member fixed to the vertical portion of the bracket through a first support arm for fixing or releasing the striker; and
a guide member fixed to the vertical portion of the bracket through a second support arm; the guide piece is located the below position of release, the lance wears to establish in the guide piece.
8. The apparatus of claim 7,
the position of the first arm with respect to the vertical portion of the bracket is adjustable in the extending direction of the vertical portion of the bracket,
the position of the second support arm relative to the vertical portion of the bracket is adjustable in the direction of extension of the vertical portion of the bracket.
9. The device of claim 7, wherein the release member is an electromagnet that is fixedly attached to one end of the striker.
10. The apparatus of claim 7, wherein the guide is an air bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010528940.3A CN111693241A (en) | 2020-06-11 | 2020-06-11 | A percussion device for display module assembly detects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010528940.3A CN111693241A (en) | 2020-06-11 | 2020-06-11 | A percussion device for display module assembly detects |
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| Publication Number | Publication Date |
|---|---|
| CN111693241A true CN111693241A (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010528940.3A Pending CN111693241A (en) | 2020-06-11 | 2020-06-11 | A percussion device for display module assembly detects |
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| CN (1) | CN111693241A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295712A (en) * | 2021-06-17 | 2021-08-24 | 霸州市云谷电子科技有限公司 | Detection jig |
| CN114136813A (en) * | 2021-10-29 | 2022-03-04 | 富准精密模具(嘉善)有限公司 | Impact testing device |
-
2020
- 2020-06-11 CN CN202010528940.3A patent/CN111693241A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295712A (en) * | 2021-06-17 | 2021-08-24 | 霸州市云谷电子科技有限公司 | Detection jig |
| CN114136813A (en) * | 2021-10-29 | 2022-03-04 | 富准精密模具(嘉善)有限公司 | Impact testing device |
| CN114136813B (en) * | 2021-10-29 | 2024-02-09 | 富准精密模具(嘉善)有限公司 | Impact testing device |
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