Positioning mechanism for assembling display screen

Abstract

The utility model discloses a positioning mechanism for display screen assembly, which belongs to the field of display screen assembly and comprises a display screen transfer device and a display screen shell fixing device, and one side of the display screen shell fixing device is provided with an electrified wire clamping device. And an electrified wire drainage device penetrating through the display screen shell is arranged in the display screen shell fixing device. Compared with the prior art, the device has the advantages that before the mobile phone display screen falls into the clamping groove of the mobile phone shell, the output end of the electrified wire is inserted into the clamping groove in the top end of the straight ruler strip through the electrified wire drainage device of the display screen shell to be fixed; the gear connected to the output end of the driving motor rotates synchronously, so that the straight ruler strip meshed with the gear slides downwards in the longitudinal direction, and the power-on wire penetrates through the power-on wire through groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen assembly field, specifically point to a kind of positioning mechanism for display screen assembly. BACKGROUND

[0002] In the existing intelligent mobile phone manufacturing industry, in order to improve the efficiency of production, for some simple operation, most of them are completed by automatic robot, in the assembly process of intelligent mobile phone, in order to ensure that display screen and mobile phone shell do not appear displacement deviation when assembling, people need a positioning mechanism for display screen assembly to fix the position of the two.

[0003] The existing positioning mechanism for display screen assembly is usually to place the mobile phone shell inside the display screen shell fixing device, the mobile phone shell is clamped by the clamping plate inside the display screen shell fixing device (in order to ensure the flatness of the mobile phone shell, the mobile phone card slot inside the clamping plate is consistent in height), glue is applied on the display screen fixing end of the mobile phone shell, and then the mobile phone display screen is installed into the card slot of the mobile phone shell for fixation by the display screen transfer device (in order to ensure the accuracy of the display screen transfer device, the output end of the display screen transfer device is provided with an image positioning camera), and the position of the two is calibrated by the image positioning camera.

[0004] Although this automatic positioning structure can perfectly assemble the display screen into the card slot of the mobile phone shell, the existing mobile phone display screen is mostly touch screen, and the inside bottom surface of the display screen has a power supply wire connected with the battery connection contact (the battery connection contact and the card slot of the mobile phone shell are opposite to each other), in order to enable the power supply wire of the display screen to be connected to the battery connection contact, a power supply wire through slot is arranged in the inside of the mobile phone shell, in order to normally take out the power supply wire from the power supply wire through slot after the mobile phone screen is installed, manual operation is usually required to take out the power supply wire, and the process of manual taking out is slow, and in the process of operation, the display screen may be scratched by the wire taking-out tool. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is that the existing positioning mechanism for display screen assembly cannot simultaneously move the power supply wire from the power supply wire through slot to the battery end during assembly.

[0006] To solve the above technical problems, the technical scheme provided by the utility model is as follows: a positioning mechanism for display screen assembly, comprising a display screen transfer device and a display screen shell fixing device, one side of the display screen shell fixing device is provided with a power supply wire clamping device, the inside of the display screen shell fixing device is provided with a power supply wire drainage device passing through the display screen shell, the power supply wire drainage device comprises a ruler strip inside the display screen shell fixing device, a gear meshed and connected with the ruler strip, and a driving motor driving the gear to rotate, one side of the ruler strip is provided with a card slot for fixing the power supply wire.

[0007] As improvement, the display screen housing fixing device comprises a fixing block, a plurality of clamping plates around the fixing block and springs connecting the opposite clamping plates, the clamping plates and the springs pass through the side wall of the fixing block, the lower part of the fixing block is provided with a conveying device, and the ruler and the gear pass through the side wall of the fixing block.

[0008] As improvement, the clamping plates and the springs and the conveying device and the fixing block are connected through welding.

[0009] As improvement, the power wire clamping device comprises a six-axis mechanical arm, a chuck on one side of the output shaft of the six-axis mechanical arm and an image positioning camera on the side of the six-axis mechanical arm.

[0010] As improvement, the display screen transferring device comprises a three-axis transfer robot and a display screen suction device on the output end of the three-axis transfer robot, and the side of the display screen suction device is provided with an image positioning camera.

[0011] As improvement, the lower part of the three-axis transfer robot and the six-axis mechanical arm is provided with a workbench.

[0012] As improvement, the driving motor and the fixing block and the six-axis mechanical arm and the three-axis transfer robot and the workbench are connected through bolt structure.

[0013] The device is fixed by inserting the output end of the power wire into the clamping groove at the top end of the ruler through the power wire drainage device of the display screen housing before the mobile phone display screen falls into the clamping groove of the mobile phone shell, and then the gear connected to the output end of the driving motor is rotated synchronously through the rotation of the driving motor, so that the ruler meshing with the gear slides longitudinally downward, so that the power wire passes through the power wire through groove. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a total structure diagram of the positioning mechanism for display screen assembly.

[0015] Figure 2 It is a six-axis mechanical arm structure diagram of the positioning mechanism for display screen assembly.

[0016] Figure 3 It is a three-axis transfer robot structure diagram of the positioning mechanism for display screen assembly.

[0017] Figure 4 It is a power wire drainage device sectional view of the positioning mechanism for display screen assembly.

[0018] Figure 5The utility model relates to a display screen shell fixing device sectional view of positioning mechanism for display screen assembly.

[0019] As shown in the figure: 1, display screen transfer device, 11, three-axis transfer robot, 12, display screen adsorption device, 2, display screen shell fixing device, 21, fixed block, 22, clamping plate, 23, spring, 24, conveying device, 3, power line clamping device, 31, six-axis mechanical arm, 32, chuck, 33, image positioning camera, 4, power line drainage device, 41, ruler strip, 42, gear, 43, drive motor, 44, clamping groove, 5, workbench. DETAILED DESCRIPTION

[0020] The utility model makes further detailed description in combination with the drawings.

[0021] As shown in the figure Figure 1 , 2 , 3, 5, including display screen transfer device 1 and display screen shell fixing device 2, the one side of display screen shell fixing device 2 is equipped with power line clamping device 3, display screen shell fixing device 2 includes fixed block 21, the fixed block 21 four around a plurality of clamping plates 22 and the spring 23 of mutual opposite clamping plate 22 connection, clamping plate 22 and spring 23 all pass through the lateral wall of fixed block 21, the lower of fixed block 21 is equipped with conveying device 24, ruler strip 41 and gear 42 all pass through the lateral wall of fixed block 21, ruler strip 41 and gear 42 all pass through the lateral wall of fixed block 21, clamping plate 22 and spring 23 and conveying device 24 and fixed block 21 all are connected through welding, power line clamping device 3 includes six-axis mechanical arm 31, chuck 32 located in the output shaft side of six-axis mechanical arm 31 and image positioning camera 33 located in the side of six-axis mechanical arm 31, display screen transfer device 1 includes three-axis transfer robot 11 and display screen adsorption device 12 located in the output end of three-axis transfer robot 11, the side of display screen adsorption device 12 is equipped with image positioning camera 33, three-axis transfer robot 11 and workbench 5 are connected through bolt structure, in order to guarantee the assembly efficiency of cell phone shell, the conveying device 24 is set up in the lower of fixed block 21, and the interval of each fixed block 21 is same, and the displacement of conveying device 24 is same each time, and fixed block 21 is welded on the conveying belt of conveying device 24, so as to keep its stability, and conveying device 24 carries out bidirectional reciprocating motion.

[0022] Workbench 5 is fixed on the ground by welding or screw, three-axis transfer robot 11 and six-axis robot arm 31 are fixed on workbench 5 by screw, so as to keep the safe height of three-axis transfer robot 11 and six-axis robot arm 31, three-axis transfer robot 11 and six-axis robot arm 31 are located on both sides of conveying device 24 respectively, and three-axis transfer robot 11 and six-axis robot arm 31 are opposite to each other around conveying device 24.

[0023] The position of the power line under the display screen of the mobile phone is determined by the image positioning camera 33 on the side of the six-axis robot arm 31, and the output end of the power line is clamped by the clamp 32, so as to ensure that the output end of the power line can be normally inserted into the clamping groove 44 at the top of the ruler strip 41, and the six-axis robot arm 31 is connected to the power supply by wire.

[0024] The position of the display screen is determined by the image positioning camera 33 at the top of the three-axis transfer robot 11, and the display screen is sucked by the suction port of the display screen suction device 12, so as to move the display screen without damaging the display screen, and the position of the outer wall of the display screen and the mobile phone shell is calibrated by the image positioning camera 33 at all times during positioning, so as to avoid large error when closing the two, and the three-axis transfer robot 11 is connected to the power supply by wire.

[0025] The bottom surface of the clamping plate 22 is welded with the spring 23, the two are passed through the internal through hole of the fixed block 21, the spring 23 is pulled out from the other side of the internal through hole of the fixed block 21 by using tools, and the other end of the spring 23 is welded with the clamping plate 22, the clamping plate 22 on both sides of the internal through hole of the fixed block 21 is loosened and slid into the through hole, and the clamping plate 22 on the other opposite surface of the fixed block 21 is fixed in the same way, and the height of the mobile phone shell clamping groove at the top of the clamping plate 22 is consistent.

[0026] As shown in the description accompanying drawings Figure 2 , 3 , 4, the inside of the display screen shell fixing device 2 is provided with a power line drainage device 4 passing through the display screen shell, the power line drainage device 4 includes a ruler strip 41 located in the display screen shell fixing device 2, a gear 42 engaged with the ruler strip 41, and a driving motor 43 driving the rotation of the gear 42, one side of the ruler strip 41 is provided with a clamping groove 44 for fixing the power line, the ruler strip 41 is inserted into the ruler strip 41 sliding groove on the upper surface of the fixed block 21, the output shaft of the driving motor 43 is installed with the gear 42 by using the connecting key, the gear 42 is passed through the through hole on the side of the fixed block 21, so that the gear 42 and the ruler strip 41 are engaged with each other, and the driving motor 43 is installed on the side wall of the fixed block 21 by screw, and the driving motor 43 is connected to the controller of the power supply by wire.

[0027] During the specific implementation of the present invention, the driving motor 43 is started, so that the ruler bar 41 extends out of the internal through hole of the fixed block 21, the wire passage slot inside the mobile phone shell is clamped on the ruler bar 41, the outer wall of the mobile phone shell is clamped on the fixed block 21 through the clamping plate 22, and glue is applied to the display screen slot of the mobile phone shell; the three-axis transfer robot 11 is started, the display screen is taken out from the shelf (the display screen is adsorbed by the display screen adsorption device 12), the display screen is moved to the top of the fixed block 21, and the six-axis robot arm 31 is used to move the display screen to the upper side of the fixed block 21. The image positioning camera 33 locates the output end of the power line below the display screen, clamps the power line through the clamp 32, and inserts it into the slot 44. Then, the six-axis robotic arm 31 is reset, and the three-axis transfer robot 11 continues to move, so that the display screen is engaged in the display screen slot of the mobile phone case. The display screen adsorption device 12 is released, the three-axis transfer robot 11 is reset, and the drive motor 43 is reversed to retract the ruler bar 41, thereby driving the power line through the power line slot for the next step (fixed connection between the power line and the battery contact).

[0028] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A positioning mechanism for assembling a display screen, comprising a display screen transfer device (1) and a display screen housing fixing device (2), characterized in that: One side of the display screen shell fixing device (2) is provided with a power line clamping device (3), the inside of the display screen shell fixing device (2) is provided with a power line drainage device (4) through the display screen shell, the power line drainage device (4) includes a ruler strip (41) inside the display screen shell fixing device (2), a gear (42) engaged with the ruler strip (41), and a drive motor (43) driving the gear (42) to rotate, one side of the ruler strip (41) is provided with a clamping groove (44) for fixing the power line.

2. The positioning mechanism for assembling a display screen according to claim 1, wherein: The display screen shell fixing device (2) includes a fixed block (21), a plurality of clamping plates (22) around the fixed block (21), and springs (23) connecting the opposite clamping plates (22), the clamping plates (22) and the springs (23) all pass through the side wall of the fixed block (21), the lower side of the fixed block (21) is provided with a conveying device (24), the ruler strip (41) and the gear (42) all pass through the side wall of the fixed block (21).

3. The positioning mechanism for assembling a display screen according to claim 2, wherein: The clamping plate (22) and the spring (23) and the conveying device (24) and the fixed block (21) are all connected by welding.

4. The positioning mechanism for assembling a display screen according to claim 1, wherein: The power line clamping device (3) includes a six-axis mechanical arm (31), a chuck (32) on one side of the output shaft of the six-axis mechanical arm (31), and an image positioning camera (33) on the side of the six-axis mechanical arm (31).

5. The positioning mechanism for assembling a display screen according to claim 1, wherein: The display screen transfer device (1) includes a three-axis transfer robot (11) and a display screen suction device (12) at the output end of the three-axis transfer robot (11), the side of the display screen suction device (12) is provided with an image positioning camera (33).

6. A positioning mechanism for assembling a display screen according to claim 5, wherein: The lower side of the three-axis transfer robot (11) and the six-axis mechanical arm (31) is provided with a workbench (5).

7. A positioning mechanism for assembling a display screen according to claim 6, wherein: The drive motor (43) and the fixed block (21) and the six-axis mechanical arm (31) and the three-axis transfer robot (11) and the workbench (5) are all connected by bolt structure.

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