High accuracy pressure measurement device of cell-phone display screen production usefulness
Technical Field
The utility model relates to a mobile phone display screen production technical field, concretely relates to high accuracy pressure measurement of mobile phone display screen production usefulness.
Background
The mobile phone display screen is also called as a mobile phone screen, and is a display tool for displaying a certain electronic file on the screen through a specific transmission device and then reflecting the electronic file to human eyes. With the improvement of living standard, the requirements of people on the quality of mobile phones are more and more critical. The screen material is gradually popular with the color screens of mobile phones, and the material of the mobile phone screen is more and more important. During the use process of the mobile phone, the screen of the mobile phone is between the most consumed components. Therefore, in the process of producing and processing the mobile phone, the mobile phone screen needs to be subjected to pressure testing.
At present, the existing pressure detection equipment can only carry out comprehensive and integral pressure detection on a mobile phone display screen, can not carry out pressure detection on the local part of the mobile phone display screen, reduces the detection effect, and has certain deviation on the reference of the data obtained by integrally carrying out pressure bearing test on the improvement of the pressure bearing performance of the display screen.
Therefore, it is necessary to provide a high-precision pressure detection device for mobile phone display screen production to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high accuracy pressure measurement device of cell-phone display screen production usefulness, through being provided with first pushing mechanism and second pushing mechanism, first pushing mechanism can carry out whole pressure-bearing detection to the cell-phone display screen through the holding down plate, second pushing mechanism can carry out local pressure-bearing detection to the cell-phone display screen through the briquetting, and the position of briquetting can be adjusted, thereby detect the pressure-bearing condition of different positions on the cell-phone display screen, with the above-mentioned weak point in the solution technique.
In order to achieve the above object, the present invention provides the following technical solutions: a high-precision pressure detection device for production of a mobile phone display screen comprises a detection table, wherein slide rails are fixed on the front portion and the rear portion of the upper side of the detection table, a placing seat is arranged on the upper side of the detection table, slide seats are fixed on the front portion and the rear portion of the lower side of the placing seat, the slide seats are slidably mounted on the slide rails, a support frame is fixed on the rear portion of the upper side of the detection table, a first pressing cylinder is mounted on the lower side wall of a top plate of the support frame, a first pressing mechanism is connected to the telescopic end of the first pressing cylinder, a second pressing cylinder is mounted on the upper side of the top plate of the support frame, the telescopic end of the second pressing cylinder penetrates through the top plate of the support frame, a second pressing mechanism is connected to the telescopic end of the second pressing cylinder, the second pressing mechanism is located on the right side of the first pressing mechanism, the first pressing mechanism comprises a pressing plate, and a first pressure sensor is mounted at the bottom of the pressing plate, the second pushes down the mechanism and includes the mounting bracket, the bottom of mounting bracket is seted up flutedly, the spacing groove has been seted up at the top of recess, the inside movable mounting of recess has the lead screw, the nut seat has been cup jointed on the lead screw, the upper end of nut seat is fixed with the spacing piece, the stopper slides nestedly in the spacing groove, the bottom of nut seat is fixed with the depression bar, the lower extreme of depression bar is fixed with the briquetting, second pressure sensor is installed to the bottom of briquetting, the rear side of mounting bracket is fixed with servo motor, servo motor's output is connected with the lead screw, detect the front side of platform and install the PLC controller, the right-hand display screen that is provided with of PLC controller.
Preferably, the output ends of the first pressure sensor and the second pressure sensor are respectively electrically connected with the input end of the PLC controller, the output end of the PLC controller is electrically connected with the input end of the display screen, and the output end of the PLC controller is respectively electrically connected with the input ends of the first pressing cylinder, the second pressing cylinder and the servo motor.
Preferably, the top of holding down plate is fixed with first connecting block, the upside of first connecting block passes through bolted connection with the flexible end of first air cylinder that pushes down, the top of mounting bracket is fixed with the second connecting block, the flexible end of second air cylinder that pushes down passes through bolted connection with the second connecting block.
Preferably, the right-hand member of slide rail is provided with the baffle, the left end of slide rail is provided with the backup pad, the displacement cylinder is installed in the left side of backup pad, the flexible end of displacement cylinder runs through the backup pad, the flexible end of displacement cylinder with place the seat and be connected, the output of PLC controller and the input electric connection of displacement cylinder.
Preferably, a first sliding groove is formed in the left portion of the rear side wall of the support frame, a first sliding block is fixed to the rear side of the first connecting block, and one end, far away from the first connecting block, of the first sliding block is slidably nested in the first sliding groove.
Preferably, a second sliding groove is formed in the right portion of the rear side wall of the support frame, a second sliding block is fixed to the rear side of the second connecting block, the rear end of the second sliding block is slidably nested in the second sliding groove, a third sliding block is fixed to the rear side of the mounting frame, and the rear end of the third sliding block is slidably nested in the second sliding groove.
Preferably, a rubber plate is fixedly adhered to the bottom of the lower pressure plate, and the first pressure sensor is mounted on the rubber plate.
Preferably, the bottom of the pressing block is fixedly adhered with a rubber sheet, and the second pressure sensor is installed on the rubber sheet.
In the technical scheme, the utility model provides a technological effect and advantage:
1. the mobile phone display screen pressure-bearing detection device is provided with the first pressing mechanism and the second pressing mechanism, the first pressing mechanism can perform overall pressure-bearing detection on the mobile phone display screen through the pressing plate, the second pressing mechanism can perform local pressure-bearing detection on the mobile phone display screen through the pressing block, and the position of the pressing block can be adjusted, so that the pressure-bearing conditions of different positions on the mobile phone display screen are detected, and the detection effect is improved;
2. the rubber plate is fixedly adhered to the bottom of the lower pressing plate, the rubber sheet is fixedly adhered to the bottom of the pressing block, the mobile phone display screen can be protected by the rubber plate and the rubber sheet when the mobile phone display screen is pressed down, and abrasion to the mobile phone display screen is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a perspective view of the present invention;
fig. 3 is a schematic view of a first pressing mechanism of the present invention;
fig. 4 is a schematic view of a second pressing mechanism of the present invention;
fig. 5 is a schematic view of the placing seat of the present invention.
Description of reference numerals:
the device comprises a detection table 1, a sliding rail 2, a placing seat 3, a sliding seat 4, a supporting frame 5, a first downward-pressing cylinder 6, a first downward-pressing mechanism 7, a second downward-pressing cylinder 8, a second downward-pressing mechanism 9, a downward-pressing plate 10, a first pressure sensor 11, a first connecting block 12, a mounting frame 13, a groove 14, a lead screw 15, a nut seat 16, a limiting block 17, a pressing rod 18, a pressing block 19, a second pressure sensor 20, a servo motor 21, a PLC 22, a display screen 23, a second connecting block 24, a baffle 25, a supporting plate 26, a displacement cylinder 27, a first sliding groove 28, a first sliding block 29, a second sliding groove 30, a second sliding block 31, a third sliding block 32, a rubber plate 33, a rubber sheet 34 and a limiting groove 35.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides a high-precision pressure detection device for producing a mobile phone display screen as shown in figures 1-5, which comprises a detection table 1, the front part and the rear part of the upper side of the detection platform 1 are both fixed with slide rails 2, the upper side of the detection platform 1 is provided with a placing seat 3, sliding seats 4 are fixed at the front part and the rear part of the lower side of the placing seat 3, the sliding seats 4 are arranged on the sliding rail 2 in a sliding way, a supporting frame 5 is fixed at the rear part of the upper side of the detection table 1, a first downward-pressing cylinder 6 is arranged on the lower side wall of a top plate of the supporting frame 5, the telescopic end of the first downward-pressing cylinder 6 is connected with a first downward-pressing mechanism 7, the upper side of the top plate of the supporting frame 5 is provided with a second downward-pressing cylinder 8, the telescopic end of the second pressing cylinder 8 penetrates through the top plate of the support frame 5, the telescopic end of the second pressing cylinder 8 is connected with a second pressing mechanism 9, and the second pressing mechanism 9 is positioned on the right side of the first pressing mechanism 7;
the first pressing mechanism 7 comprises a pressing plate 10, a first pressure sensor 11 is installed at the bottom of the pressing plate 10, a first pressing cylinder 6 pushes the pressing plate 10 to move downwards to contact with a mobile phone display screen to extrude the mobile phone display screen, the first pressure sensor 11 detects the pressure of extrusion, the second pressing mechanism 9 comprises an installation frame 13, a groove 14 is formed in the bottom of the installation frame 13, a limit groove 35 is formed in the top of the groove 14, a lead screw 15 is movably installed in the groove 14, a nut seat 16 is sleeved on the lead screw 15, a limit block 17 is fixed at the upper end of the nut seat 16, the limit block 17 is slidably embedded in the limit groove 35, a pressing rod 18 is fixed at the bottom of the nut seat 16, a pressing block 19 is fixed at the lower end of the pressing rod 18, a second pressure sensor 20 is installed at the bottom of the pressing block 19, and the second pressing cylinder 8 pushes the installation frame 13 to move downwards, mounting bracket 13 drives briquetting 19 and moves down and contact with the cell-phone display screen, extrudees the cell-phone display screen, and second pressure sensor 20 detects extruded pressure size, the rear side of mounting bracket 13 is fixed with servo motor 21, servo motor 21's output is connected with lead screw 15, detect the front side of platform 1 and install PLC controller 22, PLC controller 22's the right-hand display screen 23 that is provided with.
First pressure sensor 11 and second pressure sensor 20's output respectively with PLC controller 22's input electric connection, PLC controller 22's output and display screen 23's input electric connection, PLC controller 22's output respectively with first air cylinder 6, second air cylinder 8 and servo motor 21's input electric connection down, first pressure sensor 11 and second pressure sensor 20 can send the structure that detects for PLC controller 22, handle after PLC controller 22 received information to send for display screen 23, come out data display through display screen 23, be convenient for look over.
The top of holding down plate 10 is fixed with first connecting block 12, bolted connection is passed through with the flexible end of first air cylinder 6 to the upside of first connecting block 12, the top of mounting bracket 13 is fixed with second connecting block 24, bolted connection is passed through with the flexible end of second air cylinder 8 to second connecting block 24, is convenient for through being connected between first air cylinder 6 and the first mechanism 7 of pushing down of 12 first connecting blocks, is convenient for through being connected between second air cylinder 8 and the second mechanism 9 of pushing down of 24 second connecting blocks, and convenient connection.
The right-hand member of slide rail 2 is provided with baffle 25, the left end of slide rail 2 is provided with backup pad 26, displacement cylinder 27 is installed on the left side of backup pad 26, backup pad 26 is run through to displacement cylinder 27's flexible end, displacement cylinder 27's flexible end with place seat 3 and be connected, PLC controller 22's output and displacement cylinder 27's input electric connection, PLC controller 22 can control displacement cylinder 27 and carry out work, and displacement cylinder 27 work can promote or the pulling places seat 3 to the position of placing seat 3 is adjusted.
The implementation mode is specifically as follows: when a mobile phone display screen to be detected is placed on the placing seat 3, and the mobile phone display screen is subjected to overall pressure detection, the displacement cylinder 27 works to pull the placing seat 3 to enable the placing seat 3 to slide on the sliding rail 2, so that the placing seat 3 is positioned below the first pressing mechanism 7, the first pressing cylinder 6 works to push the first pressing mechanism 7 to move downwards, the lower pressing plate 10 on the first pressing mechanism 7 moves downwards to be in contact with the mobile phone display screen to extrude the mobile phone display screen, the first pressure sensor 11 detects the extruded pressure and sends the detected data to the PLC 22, the PLC 22 receives the information and processes the information and sends the information to the display screen 23, the data is displayed through the display screen 23 to be convenient to check, when the mobile phone display screen is required to be subjected to local pressure detection, the displacement cylinder 27 works to push the placing seat 3 to enable the placing seat 3 to move to the bottom of the second pressing mechanism 9, the second pressing cylinder 8 works to push the mounting frame 13 to move downwards, the mounting frame 13 drives the pressing block 19 to move downwards to be in contact with the mobile phone display screen to extrude the mobile phone display screen, the second pressure sensor 20 detects the extruded pressure, meanwhile, the servo motor 21 works to drive the screw rod 15 to rotate, so that the nut seat 16 moves upwards on the screw rod 15, the position of the pressing block 19 can be adjusted, pressure detection on different positions of the mobile phone display screen is facilitated, through the arrangement of the first pressing mechanism 7 and the second pressing mechanism 9, comprehensive pressure detection on the mobile phone display screen is facilitated, pressure detection on local parts of the mobile phone display screen is facilitated, the use is convenient, and the use effect is improved. The detection effect is reduced, and the data obtained by integrally carrying out pressure bearing test has the problem of certain deviation on the reference of the improvement of the pressure bearing performance of the display screen.
As shown in fig. 2 to 4, a first sliding groove 28 is formed in the left portion of the rear side wall of the support frame 5, a first sliding block 29 is fixed to the rear side of the first connecting block 12, one end, far away from the first connecting block 12, of the first sliding block 29 is slidably nested in the first sliding groove 28, and when the first pressing mechanism 7 moves downward, the first sliding block 29 slides in the first sliding groove 28 to limit the first pressing mechanism 7, so that the first pressing mechanism 7 moves downward stably without deviation.
Second spout 30 has been seted up to the rear side wall right part of support frame 5, the rear side of second connecting block 24 is fixed with second slider 31, the rear end of second slider 31 slides and nests in second spout 30, the rear side of mounting bracket 13 is fixed with third slider 32, the rear end of third slider 32 slides and nests in second spout 30, and when second pushing down mechanism 9 moved down, second slider 31 and third slider 32 slided in second spout 30, and it is spacing to carry out second pushing down mechanism 9 for second pushing down mechanism 9 moves down stably, can not take place the skew.
The bottom of holding down plate 10 is fixed to be pasted and is had rubber slab 33, first pressure sensor 11 is installed on rubber slab 33, can protect the cell-phone display screen when pushing down through having rubber slab 33, avoids causing wearing and tearing to the cell-phone display screen.
The bottom of briquetting 19 is fixed to be pasted with rubber sheet 34, second pressure sensor 20 installs on rubber sheet 34, can protect the cell-phone display screen when pushing down through rubber sheet 34, avoids causing wearing and tearing to the cell-phone display screen.
The implementation mode is specifically as follows: a first connecting block 12 is fixed at the rear end of a first sliding block 29 on the first pressing mechanism 7, the rear end of the first connecting block 12 is slidably nested in a first sliding groove 28 on the support frame 5, when the first pressing mechanism 7 moves downwards, the first sliding block 29 slides in the first sliding groove 28 to limit the first pressing mechanism 7, so that the first pressing mechanism 7 moves downwards stably without deviation, and the pressing accuracy is improved, a rubber plate 33 is fixedly adhered at the bottom of the lower pressing plate 10, and the mobile phone display screen can be protected by the rubber plate 33 when being pressed downwards, so that the mobile phone display screen is prevented from being worn, a second sliding block 31 is fixed on a second connecting block 24 on the second pressing mechanism 9, a third sliding block 32 is fixed at the rear side of the mounting frame 13, when the second pressing mechanism 9 moves downwards, the second sliding block 31 and the third sliding block 32 slide in a second sliding groove 30 to limit the second pressing mechanism 9, make second pushing down mechanism 9 move down stably, can not take place the skew, improved the precision of pushing down, the sheet rubber 34 of briquetting 19 bottom can protect the cell-phone display screen when pushing down, avoids causing wearing and tearing to the cell-phone display screen, and this embodiment has specifically solved the pushing down mechanism that exists among the prior art and has moved down the time, moves down the orbit and takes place the skew easily, has reduced the problem of detection effect.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.