Pressure detector for mobile phone display screen production

Abstract

The invention relates to the technical field of mobile phone display screen production, in particular to a pressure detector for mobile phone display screen production, which comprises a processing table, a bracket is fixedly mounted at one end of the top of the processing table, a cylinder I is fixedly mounted at the top of the bracket, and a mounting plate is fixedly mounted at the telescopic shaft end of the cylinder I; a moving frame, a driving mechanism and a plurality of uniformly distributed detection mechanisms are arranged in each of the two mounting seats, and a pushing mechanism is arranged in each of the two moving frames. The beneficial effects of the invention are that the plurality of detection mechanisms cooperate with the pushing mechanism and are combined with intelligent sensors such as a laser displacement sensor and a high-speed industrial camera, and the detection mechanisms do not need to be moved and descended for many times, so that a part of time is saved; the problem that the pressure detection efficiency of the mobile phone display screen is reduced due to the fact that the detection contact spends a long time in the process of moving and descending for multiple times in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of mobile phone display screen production, and particularly relates to a pressure detector for mobile phone display screen production. BACKGROUND

[0002] The mobile phone screen, also known as a display screen, is used for displaying images and colors, and the screen size is calculated according to the diagonal line of the screen and is usually measured in inches. The mobile phone display screen is a kind of display tool for displaying certain electronic files on the screen through specific transmission equipment and then reflecting the screen to the human eye. During the production of the mobile phone display screen, the mobile phone display screen needs to be subjected to pressure detection, daily pressing simulation, detection of whether the screen glass, OCA glue layer and flexible circuit are cracked or delaminated, and determination of whether the produced mobile phone display screen is qualified.

[0003] During the pressure detection of the mobile phone display screen, the display screen is pressed by a detection contact, and intelligent sensors such as a pressure sensor, a laser displacement sensor and a high-speed industrial camera are used to obtain pressure detection data of the display screen to determine whether the display screen is qualified. In the prior art, a detection contact is usually used to detect the pressure of the display screen, the detection contact is moved to multiple detection contacts on the display screen in sequence, and then the detection contact is lowered to contact the detection contacts. However, the detection contacts on the display screen are multiple, and the detection contact spends a long time in the process of multiple movements and lowering, so that the time for detecting the pressure of one mobile phone display screen is long, and the efficiency of the pressure detection of the mobile phone display screen is reduced, which is not conducive to the large-scale production of the mobile phone display screen. SUMMARY

[0004] The application aims to provide a pressure detector for mobile phone display screen production to solve the problems in the background art.

[0005] To achieve the above object, the application provides the following technical scheme: a pressure detector for mobile phone display screen production, comprising a machining table, one end of the top of the machining table is fixedly installed with a support, the top of the support is fixedly installed with a cylinder one, the telescopic shaft end of the cylinder one is fixedly installed with a mounting plate, both ends of the mounting plate are fixedly installed with mounting seats, the interiors of the two mounting seats are both provided with a moving frame, a driving mechanism and multiple evenly distributed detection mechanisms, and the interiors of the two moving frames are both provided with a pushing mechanism.

[0006] Preferably, both ends of the top of the machining table are fixedly installed with placing seats, the interior of the placing seat is provided with a display screen placing groove, both ends of the top of the mounting plate are fixedly installed with guide rods one, and the two guide rods one are both in sliding connection with the support.

[0007] Preferably, the detection mechanism comprises a fixed seat, the fixed seat is in sliding connection with the mounting seat, the bottom of the fixed seat is fixedly installed with a pressure sensor, the bottom of the pressure sensor is fixedly installed with a detection contact, the outside of the top end of the fixed seat is sleeved with a spring one, the inside of the fixed seat is fixedly installed with a protruding block, the outside of the top end of the fixed seat is fixedly installed with a limiting ring, and the top of the limiting ring is attached to the inner wall of the mounting seat.

[0008] Preferably, the driving mechanism comprises a driving motor, a threaded rod and a guide rod two, the driving motor is fixedly installed outside the mounting seat, the threaded rod is rotatably installed at the top end inside the mounting seat, the guide rod two is fixedly installed inside the mounting seat, the output shaft end of the driving motor is fixedly connected with the threaded rod, one end of the moving frame is threadedly sleeved outside the threaded rod, and the other end of the moving frame is slidably sleeved outside the guide rod two.

[0009] Preferably, the driving mechanism comprises a driving motor, a threaded rod and a guide rod two, the driving motor is fixedly installed outside the mounting seat, the threaded rod is rotatably installed at the top end inside the mounting seat, the guide rod two is fixedly installed inside the mounting seat, the output shaft end of the driving motor is fixedly connected with the threaded rod, one end of the moving frame is threadedly sleeved outside the threaded rod, and the other end of the moving frame is slidably sleeved outside the guide rod two.

[0010] Preferably, the locking assembly comprises a top rod one, a top rod two, a transmission block, an insertion block and an insertion slot, the top rod one and the top rod two are fixedly installed on the two sides of the inner wall of the mounting seat, the transmission block is fixedly installed at the end of the rack two away from the gear, the insertion block is slidably installed at one end of the moving frame close to the transmission block, the insertion slot is opened at the end of the rack two away from the gear, the insertion slot and the insertion block are matched with each other, the spring three is fixedly installed between one side of the insertion block and the inner wall of the moving frame, the insertion block away from the spring three is provided with a turnover rod, the turnover rod is rotatably connected with the moving frame, the top rod one and the transmission block are matched with each other, and the top rod two and the turnover rod are matched with each other.

[0011] Preferably, the two rack one and the rack two are fixedly installed with a limiting sliding block away from each other, the top end of the two moving frames is provided with a limiting sliding groove, and the plurality of limiting sliding grooves are matched with the corresponding limiting sliding blocks respectively.

[0012] Preferably, the top of the mounting plate is fixedly installed with a gas cylinder two at both ends, the telescopic shaft ends of the two gas cylinders two are fixedly connected with the two mounting seats respectively, the bottom of the two mounting seats is provided with a connecting groove at both ends, and the plurality of connecting grooves are matched with the end portions of the mounting plate respectively.

[0013] Compared with the prior art, the present application has the beneficial effects that: By setting multiple detection mechanisms cooperating with the pushing mechanism, the multiple detection contacts of the mobile phone display screen are subjected to pressure detection, combined with intelligent sensors such as laser displacement sensors and high-speed industrial cameras, it is judged whether the detected mobile phone display screen is qualified in quality, without the need for multiple movements and descents of the detection mechanism, so a part of time is saved, and the problem of reducing the pressure detection efficiency of the mobile phone display screen due to the long time spent in the process of multiple movements and descents of the detection contacts in the prior art is solved.

[0014] Under the action of the pushing mechanism, the driving mechanism drives the movement of the moving frame, and at the same time, the multiple detection mechanisms are sequentially moved downward to detect the pressure of the mobile phone display screen, avoiding the simultaneous downward pressing of the multiple detection contacts, so that the mobile phone display screen is not subjected to uneven force, and the problem of local overload of the mobile phone display screen is caused, preventing the test data of the mobile phone display screen from being affected. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present application; Figure 2 is a schematic diagram of the local structure of the present application; Figure 3 is a schematic diagram of the top structure of the mounting plate of the present application; Figure 4 is a schematic diagram of the appearance structure of the mounting seat of the present application; Figure 5 is a schematic diagram of the top view structure of the mounting seat of the present application; Figure 6 is a schematic diagram of the local structure of the mounting seat of the present application; Figure 7 is a schematic diagram of the structure of the detection mechanism of the present application; Figure 8 is a schematic diagram of the structure of one side of the moving frame of the present application; Figure 9 is a schematic diagram of the combination of the internal structure of the moving frame and the pushing mechanism of the present application; Figure 10 is a schematic diagram of the pushing mechanism of the present application; Figure 11 is a schematic diagram of the locking assembly of the present application; Figure 12 is a schematic diagram of the internal structure of the moving frame of the present application.

[0016] The components represented by each number in the attached diagram are listed below: 1. Processing table; 2. Placement seat; 3. Display screen placement slot; 4. Bracket; 5. Cylinder 1; 6. Mounting plate; 7. Mounting seat; 8. Guide rod 1; 9. Fixed seat; 10. Pressure sensor; 11. Detection contact; 12. Spring 1; 13. Protrusion block; 14. Limiting ring; 15. Drive motor; 16. Threaded rod; 17. Guide rod 2; 18. Moving frame; 19. Gear; 20. Rack 1; 21. Rack 2; 22. L-shaped push rod 1; 23. L-shaped push rod 2; 24. Spring 2; 25. Push rod 1; 26. Push rod 2; 27. Transmission block; 28. Insert block; 29. ​​Slot; 30. Spring 3; 31. Flip rod; 32. Limiting slider; 33. Limiting slide groove; 34. Cylinder 2; 35. Connecting groove. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] This invention provides a technical solution: such as Figures 1-12 The pressure testing instrument for mobile phone display production shown includes a processing table 1. A bracket 4 is fixedly installed at one end of the top of the processing table 1. A cylinder 5 is fixedly installed on the top of the bracket 4. A mounting plate 6 is fixedly installed at the telescopic shaft end of the cylinder 5. Mounting seats 7 are fixedly installed at both ends of the mounting plate 6. A movable frame 18, a drive mechanism, and multiple evenly distributed testing mechanisms are provided inside the two mounting seats 7. A pushing mechanism is provided inside the two movable frames 18.

[0019] Both ends of the top of the processing table 1 are fixedly installed with a placement seat 2. The interior of the placement seat 2 is provided with a display screen placement slot 3. Both ends of the top of the mounting plate 6 are fixedly installed with guide rods 8. Both guide rods 8 are slidably connected to the bracket 4.

[0020] The detection mechanism includes a fixed base 9, which is slidably connected to a mounting base 7. A pressure sensor 10 is fixedly installed at the bottom of the fixed base 9, and a detection contact 11 is fixedly installed at the bottom of the pressure sensor 10. A spring 12 is sleeved on the outside of the top of the fixed base 9. A protrusion 13 is fixedly installed inside the fixed base 9. A limit ring 14 is fixedly installed on the outside of the top of the fixed base 9, and the top of the limit ring 14 is in contact with the inner wall of the mounting base 7.

[0021] The driving mechanism comprises a driving motor 15, a threaded rod 16 and a guide rod two 17, the driving motor 15 is fixedly installed outside the mounting seat 7, the threaded rod 16 is rotatably installed at the top end inside the mounting seat 7, the guide rod two 17 is fixedly installed inside the mounting seat 7, the output shaft end of the driving motor 15 is fixedly connected with the threaded rod 16, one end of the moving frame 18 is threadedly sleeved outside the threaded rod 16, and the other end of the moving frame 18 is slidably sleeved outside the guide rod two 17.

[0022] The pushing mechanism comprises a gear 19, a rack one 20, a rack two 21 and a locking assembly, the gear 19 is rotatably installed inside the moving frame 18, the rack one 20 and the rack two 21 are arranged on the two sides of the gear 19 respectively and are in mesh with the gear 19, L-shaped push rods one 22 and two 23 are fixedly installed at the ends, away from the gear 19, of the bottom of the rack one 20 and the rack two 21 respectively, the L-shaped push rods one 22 and two 23 are matched with the plurality of protruding blocks 13, the bottom ends of the L-shaped push rods one 22 and two 23 are slidably connected with the moving frame 18, and the side, away from the gear 19, of the rack two 21 and the outside of the moving frame 18 are fixedly installed with a spring two 24.

[0023] The locking assembly comprises a top rod one 25, a top rod two 26, a transmission block 27, an insertion block 28 and an insertion groove 29, the top rod one 25 and the top rod two 26 are fixedly installed on the two sides of the inner wall of the mounting seat 7, the transmission block 27 is fixedly installed at the end, away from the gear 19, of the rack two 21, the insertion block 28 is slidably installed at the end of the moving frame 18 close to the transmission block 27, the insertion groove 29 is formed at the end, away from the gear 19, of the rack two 21, the insertion groove 29 is matched with the insertion block 28, a spring three 30 is fixedly installed between the side of the insertion block 28 and the inner wall of the moving frame 18, the end, away from the spring three 30, of the insertion block 28 is provided with a turnover rod 31, the turnover rod 31 is rotatably connected with the moving frame 18, the top rod one 25 is matched with the transmission block 27, and the top rod two 26 is matched with the turnover rod 31.

[0024] The side, away from each other, of the two rack one 20 and the rack two 21 is fixedly installed with a limiting sliding block 32, the top end of the two moving frames 18 is formed with a limiting sliding groove 33, and the plurality of limiting sliding grooves 33 are matched with the respective corresponding limiting sliding blocks 32.

[0025] The top of the mounting plate 6 is fixedly installed with two gas cylinders two 34, the telescopic shaft ends of the two gas cylinders two 34 are fixedly connected with the two mounting seats 7, the bottom of the two mounting seats 7 is formed with a connecting groove 35, and the plurality of connecting grooves 35 are matched with the end portions of the mounting plate 6.

[0026] Working principle: in use, first of all, the mobile phone display screen is placed in the two display screen placing groove 3, then start the cylinder 5, push the mounting plate 6 down, the mounting plate 6 drives the two guide rods 8 on the top of the synchronous descent, under the action of the two guide rods 8, the mounting plate 6 drives two mounting seat 7 stable descent, the two mounting seat 7 in multiple detection mechanism close to two mobile phone display screen, two mounting seat 7 after descending to the appropriate height, close the cylinder 5; Then, respectively start two drive mechanism, make multiple detection mechanism to two mobile phone display screen for pressure detection, one of the mounting seat 7 inside the drive mechanism, moving frame 18, push mechanism and the movement process of multiple detection mechanism are as follows: the initial position of moving frame 18 close to the top rod 25, the top rod 25 at this time acts on the transmission block 27, rack 2 21 drive L shaped push rod 2 23 outward extension, rack 1 20 drive L shaped push rod 1 22 inward contraction, the plug-in block 28 at this time is located in the slot 29, L shaped push rod 2 23 and multiple convex block 13 corresponding, L shaped push rod 1 22 and multiple convex block 13 dislocation, spring 2 24 stress compression, then, drive motor 15 operation, in turn drive screw rod 16 rotation, under the action of guide rod 2 17, moving frame 18 to close to the top rod 2 26 side, L shaped push rod 2 23 acts on a convex block 13, the convex block 13 is then forced to drive the corresponding fixed seat 9 to move down, its external spring 1 12 force compression, the fixed seat 9 bottom pressure sensor 10 and detection contact 11 then descend to the mobile phone display screen for pressure detection, when L shaped push rod 2 23 and the convex block 13 dislocation, under the action of the corresponding spring 1 12, the fixed seat 9 drive corresponding detection contact 11 move up away from the mobile phone display screen, with the continuous movement of moving frame 18, L shaped push rod 2 23 in turn acts on multiple detection mechanism to the different detection point of mobile phone display screen for pressure detection; Until the moving frame 18 moves to the end close to the second top rod 26, the second top rod 26 acts on the turnover rod 31, the turnover rod 31 rotates under the force, the turnover rod 31 acts on the plug block 28, the plug block 28 drives the third spring 30 to stretch, and the plug block 28 is separated from the insertion slot 29, at this time, the second rack 21 moves to the end close to the gear 19 under the action of the second spring 24, with the movement of the second rack 21, the first rack 20 moves under the meshing transmission of the gear 19, and the first rack 20 drives the L-shaped push rod 22 to move synchronously, at this time, the L-shaped push rod 22 corresponds to the plurality of protruding blocks 13, and the L-shaped push rod 22 is dislocated with the plurality of protruding blocks 13, then the driving motor 15 reverses, and the L-shaped push rod 22 acts on the plurality of detection mechanisms in turn, so that the detection mechanisms acted on by the L-shaped push rod 22 are lowered in turn to detect the mobile phone display screen, finally, the moving frame 18 is located at the initial position again, the first top rod 25 acts on the transmission block 27, the transmission block 27 drives the second rack 21 to reset, the plug block 28 is reinserted into the insertion slot 29, and the whole mounting seat 7 is driven to move by the second air cylinder 34, so that the plurality of detection mechanisms can detect different detection contacts of the mobile phone display screen; the movement processes of the driving mechanism, the moving frame 18, the pushing mechanism and the plurality of detection mechanisms in the other mounting seat 7 are the same as above, and the intelligent sensors such as the laser displacement sensor and the high-speed industrial camera are combined to judge whether the detected mobile phone display screen is qualified or not, the plurality of detection mechanisms cooperate with the pushing mechanism to detect the plurality of detection contacts of the mobile phone display screen, the detection mechanisms do not need to move and descend for many times, so a part of time is saved, the problem that the detection efficiency of the mobile phone display screen is reduced due to that the detection contacts 11 spend a long time in the process of moving and descending for many times in the prior art is solved, under the action of the pushing mechanism, the driving mechanism drives the moving frame 18 to move, and the plurality of detection mechanisms are moved downward in turn to detect the mobile phone display screen, so that the plurality of detection contacts 11 are prevented from being pressed downward at the same time, the mobile phone display screen is prevented from being unevenly stressed, and the problem that the mobile phone display screen is locally overloaded is solved, and the test data of the mobile phone display screen is prevented from being affected.

[0027] It should be noted that, in the present document, the terms such as first and second, etc. are used merely to differentiate one entity or action from another, and do not necessarily require or imply any such actual relationship or order between such entities or actions. In addition, the terms "comprising", "containing", or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment.

[0028] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A pressure testing instrument for mobile phone display screen production, comprising a processing table (1), characterized in that: One end of the top of the processing platform (1) is fixedly installed with a support (4), the top of the support (4) is fixedly installed with a cylinder (5), the telescopic shaft end of the cylinder (5) is fixedly installed with a mounting plate (6), both ends of the mounting plate (6) are fixedly installed with a mounting seat (7), the interiors of the two mounting seats (7) are provided with a moving frame (18), a drive mechanism and a plurality of evenly distributed detection mechanisms, the interiors of the two moving frames (18) are provided with a pushing mechanism.

2. The pressure detector for mobile phone display production according to claim 1, characterized in that: Both ends of the top of the processing platform (1) are fixedly installed with a placing seat (2), the interior of the placing seat (2) is provided with a display screen placing groove (3), both ends of the top of the mounting plate (6) are fixedly installed with a guide rod (8), the two guide rods (8) are slidably connected with the support (4).

3. The pressure detector for mobile phone display production according to claim 1, characterized in that: The detection mechanism comprises a fixed seat (9), the fixed seat (9) is slidably connected with the mounting seat (7), the bottom of the fixed seat (9) is fixedly installed with a pressure sensor (10), the bottom of the pressure sensor (10) is fixedly installed with a detection contact (11), the outside of the top of the fixed seat (9) is sleeved with a spring (12), the interior of the fixed seat (9) is fixedly installed with a protruding block (13), the outside of the top of the fixed seat (9) is fixedly installed with a limiting ring (14), the top of the limiting ring (14) is attached to the inner wall of the mounting seat (7).

4. The pressure detector for mobile phone display production according to claim 3, characterized in that: The drive mechanism comprises a drive motor (15), a threaded rod (16) and a guide rod (17), the drive motor (15) is fixedly installed on the outside of the mounting seat (7), the threaded rod (16) is rotatably installed at the top of the interior of the mounting seat (7), the guide rod (17) is fixedly installed in the interior of the mounting seat (7), the output shaft end of the drive motor (15) is fixedly connected with the threaded rod (16), one end of the moving frame (18) is threadedly sleeved on the outside of the threaded rod (16), the other end of the moving frame (18) is slidably sleeved on the outside of the guide rod (17).

5. The pressure detector for mobile phone display production according to claim 1, characterized in that: The pushing mechanism comprises a gear (19), a rack (20), a rack (21) and a locking assembly, the gear (19) is rotatably installed in the interior of the moving frame (18), the rack (20) and the rack (21) are respectively arranged on the two sides of the gear (19) and are in mesh with the gear (19), L-shaped push rods (22) and (23) are respectively fixedly installed at the ends, away from the gear (19), of the bottoms of the rack (20) and (21), the L-shaped push rods (22) and (23) are matched with the plurality of protruding blocks (13), the bottoms of the L-shaped push rods (22) and (23) are slidably connected with the moving frame (18), a spring (24) is fixedly installed between the side, away from the gear (19), of the rack (21) and the outside of the moving frame (18).

6. The pressure detector for mobile phone display production according to claim 5, characterized in that: Said locking assembly includes top rod one (25), top rod two (26), transmission block (27), plug block (28) and slot (29), top rod one (25) and top rod two (26) are fixedly installed on the two sides of the inner wall of mounting seat (7) respectively, transmission block (27) is fixedly installed on the one end of rack two (21) away from gear (19), plug block (28) is slidingly installed on the one end of moving frame (18) close to transmission block (27), slot (29) is opened on the one end of rack two (21) away from gear (19), slot (29) and plug block (28) are matched with each other, spring three (30) is fixedly installed between the one side of plug block (28) and the inner wall of moving frame (18), the one end of plug block (28) away from spring three (30) is provided with turnover rod (31), turnover rod (31) is rotatably connected with moving frame (18), top rod one (25) and transmission block (27) are matched with each other, top rod two (26) and turnover rod (31) are matched with each other.

7. The pressure detector for mobile phone display production according to claim 5, characterized in that: The side away from each other of two rack one (20) and rack two (21) is fixedly installed with limiting sliding block (32), the top of two moving frames (18) is opened with limiting sliding groove (33), a plurality of limiting sliding grooves (33) are matched with each other with the corresponding limiting sliding block (32) respectively.

8. The pressure detector for mobile phone display production according to claim 1, characterized in that: The both ends of the top of mounting plate (6) are fixedly installed with air cylinder two (34), the telescopic shaft ends of two air cylinder two (34) are fixedly connected with two mounting seats (7) respectively, the both ends of the bottom of two mounting seats (7) are opened with connecting groove (35), a plurality of connecting grooves (35) are matched with the end of mounting plate (6) respectively.

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