Displayer diaphragm pressure testing device

Abstract

The utility model relates to a pressure testing device for a display diaphragm, which is provided with a bottom plate, a thin film pressure sensor arranged on the bottom plate, a heating rod arranged in the bottom plate, a condenser pipe arranged in the bottom plate, a second motor fixedly arranged on a movable support, a mounting seat, an electric reciprocating lever arranged on the mounting seat, a testing block arranged at the telescopic end of the electric reciprocating lever, and a positioning assembly arranged on the bottom plate. The positioning assembly comprises a first leaning and pressing rod, a second leaning and pressing rod, a first leaning and pressing plate and a second leaning and pressing plate, bottom sliding rods are arranged on the first leaning and pressing rod and the second leaning and pressing rod, bottom sliding holes are formed in the bottom plate, tension springs sleeve the bottom sliding rods, side sliding rods are arranged on the first leaning and pressing plate and the second leaning and pressing plate, and the tension springs sleeve the side sliding rods. The first pressing rod and the second pressing rod are provided with side edge sliding holes, the side edge sliding rods are sleeved with compressed springs, and the testing block carries out pressure detection on the displayer diaphragm through driving of the first motor to the movable support, driving of the second motor to the installation base and driving of the electric reciprocating rod. The device is ingenious in structure, convenient and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to display diaphragm pressure test field especially relates to display diaphragm pressure test device. BACKGROUND

[0002] With electronic product deeply into people's life, the requirement of display diaphragm is also higher and higher especially touch product requirement is especially outstanding, and display diaphragm is a kind of optical film material used in display backlight module, and the main function is to realize the effective management of light by controlling the propagation, reflection, refraction and polarization characteristics of light, thereby improving the brightness, uniformity and viewing angle performance of display.

[0003] The existing display diaphragm needs to carry out pressure test to the display diaphragm before using and installing, and the existing display diaphragm moves along with the test pressure head or deforms itself during the process of pressure test, so a kind of test device for positioning and pressing display diaphragm during display diaphragm pressure test needs to be developed. SUMMARY

[0004] The utility model discloses a display diaphragm pressure test device, which is clever in structure, can be used for pressure test of display diaphragm under high temperature or low temperature conditions, and can also ensure the stability of display diaphragm during the test process, and is convenient and practical.

[0005] The technical scheme for realizing the utility model has the following beneficial effects: the utility model has the bottom plate on which the display diaphragm can be placed, the thin film pressure sensor is arranged between the display diaphragm and the bottom plate, the heating rod for lifting the display diaphragm after being electrified and the condensing pipe for cooling the display diaphragm after the condensing medium is input are arranged in the bottom plate, the first motor and the moving support slidingly arranged on the bottom plate under the drive of the first motor are arranged on the bottom plate, the second motor and the mounting seat slidingly arranged on the moving support under the drive of the second motor are fixedly arranged on the moving support, the moving direction of the moving support is arranged perpendicularly to the moving direction of the mounting seat, the electric reciprocating rod is arranged on the mounting seat, the test block for testing the pressure of the display diaphragm on the bottom plate is arranged on the telescopic end of the electric reciprocating rod, the telescopic direction of the electric reciprocating rod is arranged perpendicularly to the bottom plate, the positioning assembly for positioning the display diaphragm is arranged on the bottom plate, the positioning assembly comprises the oppositely arranged first pressure bearing rods, the oppositely arranged second pressure bearing rods, the first pressure bearing plates slidingly arranged on each first pressure bearing rod and the second pressure bearing plates slidingly arranged on each second pressure bearing rod, each first pressure bearing plate is oppositely arranged, each second pressure bearing plate is also oppositely arranged, each first pressure bearing rod and each second pressure bearing rod are arranged perpendicularly, the bottom of each first pressure bearing rod and each second pressure bearing rod is provided with a plurality of bottom sliding rods arranged perpendicularly to the bottom plate, the bottom plate is provided with the bottom sliding holes matched with the bottom sliding rods, the pull spring is sleeved on each bottom sliding rod, and the two ends of the pull spring are fixedly connected with the bottom sliding rod and the bottom of the bottom sliding hole, each first pressure bearing plate and each second pressure bearing plate are provided with the side sliding rods arranged in parallel to the bottom plate, each first pressure bearing rod and each second pressure bearing rod are provided with the side sliding holes matched with each side sliding rod, the compression spring is sleeved on each side sliding rod, and the two ends of the compression spring are fixedly connected with the side sliding rod and the side sliding hole, each first pressure bearing plate and each second pressure bearing plate are provided with the pressing grooves, the upper pressing surface and the side pressing surface are arranged on the pressing grooves, each upper pressing surface is pressed and fixed on the upper end surface of the display diaphragm through the cooperation of the bottom sliding rod and the bottom sliding hole and the continuous force pressing of the pull spring, each side pressing surface is pressed and fixed on the side surface of the display diaphragm through the cooperation of the side sliding rod and the side sliding hole and the continuous force pressing of the compression spring, and the test block tests the pressure of the display diaphragm through the drive of the first motor to the moving support, the drive of the second motor to the mounting seat and the drive of the electric reciprocating rod.

[0006] Further, the telescopic end of the electric reciprocating rod is provided with a mounting block, the test block is mounted on the mounting block, the mounting block is provided with a telescopic slot coaxially arranged on the mounting block, a limiting sliding block is slidably arranged in the telescopic slot, a reset spring is arranged between the limiting sliding block and the bottom of the telescopic slot, and the two ends of the reset spring are fixedly connected with the limiting sliding block and the bottom of the telescopic slot respectively, a plurality of mounting slots are arranged on the inner wall of the side wall of the telescopic slot, the mounting slots include a first sliding slot, a second sliding slot, and a connecting sliding slot connecting the first sliding slot and the second sliding slot, one end of the first sliding slot is communicated with the connecting sliding slot, the other end of the first sliding slot extends to the lower end surface of the mounting block along the axis of the telescopic slot, one end of the second sliding slot is communicated with the connecting sliding slot, the other end of the second sliding slot extends along the axis of the telescopic slot, and the length of the second sliding slot is less than the length of the first sliding slot, the test block is provided with a pressing shaft capable of pressing the limiting sliding block, the pressing shaft is provided with a connecting block matched with each mounting slot, and the test block is detachably fixedly installed on the mounting block through the sliding cooperation of the limiting sliding block and the telescopic slot and the continuous force of the reset spring after the test block sequentially passes through the first sliding slot, the connecting sliding slot and the second sliding slot through each connecting block.

[0007] Further, the test block is a single-point pressure head or a regional pressure block.

[0008] Further, the bottom plate is provided with parallelly arranged bottom supports, each bottom support is fixedly provided with a first sliding rail, each first sliding rail is slidably provided with a first sliding block, the extension direction of the first sliding rail is parallelly arranged with the extension direction of the second pressing rod, each first sliding block is provided with a first driving block, each first driving block is provided with a threaded hole, the bottom plate is provided with two first motors corresponding to each bottom support, the output end of each first motor is provided with a driving screw, the other end of each driving screw is rotatably arranged on the corresponding bottom support, the moving support is arranged on each first driving block, the moving support slides on the bottom plate through the driving of each first motor on each driving screw and the cooperation of each driving screw and the threaded hole on the first driving block, the moving support is provided with a second sliding rail perpendicular to the extension direction of the first sliding rail, the second sliding rail is slidably provided with a second sliding block, the second sliding block is fixedly provided with a second driving block, the second driving block is also provided with a threaded hole, the output end of the second motor is also provided with a driving screw, the other end of the driving screw is rotatably arranged on the moving support, and the mounting seat is slidably arranged on the moving support through the driving of the second motor on the driving screw and the threaded cooperation of the driving screw and the threaded hole on the second driving block.

[0009] Furthermore, the aforementioned mounting base includes a connecting plate fixed on the second drive block and an adjusting plate disposed on the connecting plate and perpendicular to the base plate. An adjusting block is slidably disposed on the adjusting plate, and the electric reciprocating rod is fixedly mounted on the adjusting block. An adjusting protrusion is provided on the adjusting plate, extending from the upper end to the lower end of the adjusting plate. An adjusting groove adapted to the adjusting protrusion is provided on the adjusting block, and a threaded through hole communicating with the adjusting groove is provided on the side of the adjusting block. A locking screw is disposed in the threaded through hole. The adjusting block adjusts the height of the electric reciprocating rod through the cooperation of the adjusting protrusion and the adjusting groove, and is fixedly connected to the adjusting protrusion through the threaded cooperation of the locking screw and the threaded through hole.

[0010] This utility model has the following positive effects: (1) This utility model detects the pressure on the display film by setting a thin film pressure sensor between the display film and the base plate, heats the display film by heating the heating rod on the base plate, and cools the display film by cooling the condenser tube on the base plate. The electric reciprocating rod on the mounting base and the test block on the electric reciprocating rod are used to perform comprehensive and efficient pressure detection on the display film by driving the moving bracket with the first motor and driving the mounting base with the second motor. Then, a positioning component is set on the base plate, and each upper pressure surface is connected by the bottom sliding rod and the bottom sliding plate. The holes and the continuous force of the tension spring press the display film onto the upper surface. Each side pressure surface is pressed against the side of the display film through the cooperation of the side sliding rod and the side sliding hole, as well as the continuous force of the compression spring. This effectively solves the problem that the detection accuracy of the display film is affected by displacement or deformation during the pressure test in the existing technology. It greatly improves the lateral and longitudinal stability of the display film during the test, as well as the accuracy of the pressure test of the display film. It can be used to test the display film at various temperatures, and has good adjustability and applicability. The structure is ingenious, convenient and practical.

[0011] (2) By setting up a test block, the test block can be detachably fixed on the mounting block after each connecting block passes through the first slide groove, the connecting slide groove and the second slide groove in sequence. This is achieved by the sliding cooperation between the limiting slider and the telescopic groove, as well as the continuous force of the reset spring. On the one hand, this ensures the stability of the test block during use, and on the other hand, it ensures the quick installation and disassembly of the test block, which is efficient and convenient.

[0012] (3) By setting the test block as a single-point pressure head or a regional pressure block, this utility model can perform single-point pressure measurement or regional pressure measurement on the display film according to the actual test needs. It can be replaced according to actual needs, which is convenient and practical.

[0013] (4) The utility model discloses a first motor drives the mobile support to move on the bottom plate, and the second motor drives the mounting seat to move, thereby realizing that the test block is overall and efficient to the display diaphragm test, and further guarantees the accurate detection of display diaphragm overall, and high efficiency is convenient.

[0014] (5) The utility model discloses the mounting seat is set into the connection of connecting plate and adjusting plate, and the height of electric reciprocating lever is fine -tuned to the adjusting block through the cooperation of adjusting boss and adjusting groove, and then the smoothness of adjusting block height adjustment and the stability of adjusting block after height adjustment are guaranteed through the cooperation of locking screw and threaded hole. DRAWINGS

[0015] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment and combining with drawings, the utility model is further detailed, wherein

[0016] Figure 1 It is the overall structure schematic diagram of display diaphragm pressure detection device in the utility model;

[0017] Figure 2 It is the overall structure of display diaphragm pressure detection device in the utility model's plan view;

[0018] Figure 3 It is the connecting structure's sectional view of positioning assembly and display diaphragm and thin film pressure sensor in the utility model;

[0019] Figure 4 It is Figure 3 The enlarged view of A in the utility model;

[0020] Figure 5 It is the sectional view of the connecting structure of mounting block and test block in the utility model;

[0021] Figure 6 It is the overall structure schematic diagram of the side wall of telescopic groove in the utility model after unfolding;

[0022] Drawing reference: bottom plate 1;Bottom slide hole 10;First motor 11;Bottom support 12;First slide rail 13;First sliding block 14;First drive block 15;Mobile support 16;Second motor 17;Second slide rail 18;Second sliding block 19;Two drive blocks 191;Thin film pressure sensor 2;

[0023] Mounting seat 3;Connecting plate 31;Adjusting plate 32;Adjusting boss 33;Adjusting block 34;Adjusting groove 35;Locking screw 36;

[0024] Electric reciprocating lever 4; mounting block 41; telescopic groove 411; test block 42; pressure shaft 421; connecting block 422; limiting slide block 43; return spring 44; mounting groove 45; first sliding groove 451; connecting sliding groove 452; second sliding groove 453;

[0025] Positioning assembly 5; first pressure lever 51; second pressure lever 52; side edge sliding hole 521; first pressure plate 53; second pressure plate 54; bottom sliding lever 55; tension spring 56; side edge sliding lever 57; compression spring 58; upper pressing surface 59; side pressing surface 50;

[0026] Condensing pipe 6; heating rod 7; display diaphragm G. DETAILED DESCRIPTION

[0027] See Figures 1 to 6The utility model discloses a bottom plate 1 that can place display diaphragm G is equipped with film pressure sensor 2 on the bottom plate 1, display diaphragm G and bottom plate 1 are arranged between film pressure sensor 2, the heating rod 7 that can be in the electrification after to display diaphragm G is lifted is equipped with in the bottom plate 1 to the condensing pipe 6 that can be in the condensing medium after to display diaphragm G is cooled, the bottom plate 1 is equipped with first motor 11, and the mobile support 16 that is slidably arranged on the bottom plate 1 is driven under the first motor 11, the second motor 17 is fixedly equipped with on the mobile support 16, and the mounting seat 3 is slidably arranged on the mobile support 16 under the drive of second motor 17, the mobile direction of mobile support 16 is vertically arranged with the mobile direction of mounting seat 3, the mounting seat 3 is installed with electric reciprocating rod 4, the telescopic end of electric reciprocating rod 4 is installed with the test block 42 that can carry out the pressure test to display diaphragm G on the bottom plate 1, and the telescopic direction of electric reciprocating rod 4 is vertically arranged with the bottom plate 1, the bottom plate 1 is equipped with the positioning assembly 5 that can position display diaphragm G, the positioning assembly 5 includes oppositely arranged first pressure lever 51, oppositely arranged second pressure lever 52, first pressure plate 53 that is slidably arranged on each first pressure lever 51, and second pressure plate 54 that is slidably arranged on each second pressure lever 52, each first pressure plate 53 is oppositely arranged, each second pressure plate 54 is also oppositely arranged, each first pressure lever 51 and second pressure lever 52 are vertically arranged, the bottom of each first pressure lever 51 and second pressure lever 52 is equipped with a plurality of bottom slide rods 55 that are vertically arranged with the bottom plate 1, the bottom plate 1 is equipped with the bottom slide hole 10 that is adapted with each bottom slide rod 55, each bottom slide rod 55 is all equipped with tension spring 56, and the both ends of tension spring 56 are fixedly connected with bottom slide rod 55 and the bottom of bottom slide hole 10 respectively, each first pressure plate 53 and second pressure plate 54 are all equipped with side edge slide rod 57 that is arranged in parallel with the bottom plate 1, the first pressure lever 51 and second pressure lever 52 are all equipped with side edge slide hole 521 that is adapted with each side edge slide rod 57, each side edge slide rod 57 is all equipped with compression spring 58, and the both ends of compression spring 58 are fixedly connected with side edge slide rod 57 and side edge slide hole 521 respectively, each first pressure plate 53 and second pressure plate 54 are all equipped with pressure groove, the pressure groove is equipped with upper pressure surface 59 and side pressure surface 50, each upper pressure surface 59 is pressed in the upper end surface of display diaphragm G through the cooperation of bottom slide rod 55 and bottom slide hole 10 and the continuous force of tension spring 56, each side pressure surface 50 is pressed in the side of display diaphragm G through the cooperation of side edge slide rod 57 and side edge slide hole 521 and the continuous force of compression spring 58, and the test block 42 carries out pressure detection to display diaphragm G through the drive of first motor 11 to mobile support 16, the drive of second motor 17 to mounting seat 3 and the drive of electric reciprocating rod 4.

[0028] The telescopic end of the electric reciprocating rod 4 is provided with a mounting block 41, the test block 42 is mounted on the mounting block 41, the mounting block 41 is provided with a telescopic groove 411 coaxially arranged on the mounting block 41, a limiting slide block 43 is slidably arranged in the telescopic groove 411, a reset spring 44 is arranged between the limiting slide block 43 and the groove bottom of the telescopic groove 411, both ends of the reset spring 44 are fixedly connected with the limiting slide block 43 and the groove bottom of the telescopic groove 411 respectively, a plurality of mounting grooves 45 are arranged on the inner wall of the side wall of the telescopic groove 411, the mounting grooves 45 include a first sliding groove 451, a second sliding groove 453 and a connecting sliding groove 452 connecting the first sliding groove 451 and the second sliding groove 453, one end of the first sliding groove 451 is communicated with the connecting sliding groove 452, the other end of the first sliding groove 451 extends to the lower end face of the mounting block 41 along the axis of the telescopic groove 411, one end of the second sliding groove 453 is communicated with the connecting sliding groove 452, the other end of the second sliding groove 453 extends along the axis of the telescopic groove 411, the length of the second sliding groove 453 is less than the length of the first sliding groove 451, the test block 42 is provided with a pressing shaft 421 capable of pressing and cooperating with the limiting slide block 43, the pressing shaft 421 is provided with a connecting block 422 matched with each mounting groove 45, the test block 42 is detachably fixedly installed on the mounting block 41 through the sliding cooperation of the limiting slide block 43 and the telescopic groove 411 and the continuous force of the reset spring 44 after the test block 42 passes through the first sliding groove 451, the connecting sliding groove 452 and the second sliding groove 453 in turn through each connecting block 422.

[0029] The test block 42 is a single-point pressure head or a regional pressure block.

[0030] The bottom plate 1 is provided with bottom supports 12 arranged in parallel, each of which is fixedly provided with a first sliding rail 13, each of which is slidably provided with a first sliding block 14, the extension direction of the first sliding rail 13 is parallel to the extension direction of the second pressure lever 52, each of the first sliding blocks 14 is provided with a first driving block 15, each of the first driving blocks 15 is provided with a threaded hole, the bottom plate 1 is provided with two first motors 11 corresponding to each of the bottom supports 12, the output end of each of the first motors 11 is provided with a driving screw, the other end of each of the driving screws is rotatably arranged on the corresponding bottom support 12, the moving support 16 is arranged on each of the first driving blocks 15, the moving support 16 is driven by each of the first motors 11 to drive the driving screw, and the driving screw is matched with the threaded hole on the first driving block 15 to slide on the bottom plate 1, the moving support 16 is provided with a second sliding rail 18 arranged perpendicularly to the extension direction of the first sliding rail 13, the second sliding rail 18 is slidably provided with a second sliding block 19, the second sliding block 19 is fixedly provided with a second driving block 191, the second driving block 191 is also provided with a threaded hole, the output end of the second motor 17 is also provided with a driving screw, the other end of the driving screw is rotatably arranged on the moving support 16, the mounting seat 3 is slidably arranged on the moving support 16 by the driving of the driving screw by the second motor 17 and the threaded cooperation of the driving screw with the threaded hole on the second driving block 191.

[0031] The mounting seat 3 includes a connecting plate 31 fixed on the second driving block 191, an adjusting plate 32 arranged on the connecting plate 31 and arranged perpendicularly to the bottom plate 1, the adjusting plate 32 is slidably provided with an adjusting block 34, the electric reciprocating lever 4 is fixedly installed on the adjusting block 34, the adjusting plate 32 is provided with an adjusting protrusion 33, the adjusting protrusion 33 extends from the upper end of the adjusting plate 32 to the lower end of the adjusting plate 32, the adjusting block 34 is provided with an adjusting groove 35 matched with the adjusting protrusion 33, the side of the adjusting block 34 is provided with a threaded through hole communicated with the adjusting groove 35, a locking screw 36 is matched in the threaded through hole, the adjusting block 34 adjusts the height of the electric reciprocating lever 4 by the cooperation of the adjusting protrusion 33 and the adjusting groove 35, and is fixedly connected with the adjusting protrusion 33 by the threaded cooperation of the locking screw 36 and the threaded through hole.

[0032] The working principle of the utility model discloses: during using, first install heating rod 7 and condenser pipe 6 on bottom plate 1, or can install and connect with bottom plate 1 through the way of integrally forming, install diaphragm pressure sensor 2 on bottom plate 1, and the diaphragm pressure sensor 2 is electrically connected with control unit and computer display, then install each first pressure plate 53 with first pressure lever 51 and second pressure lever 52 with second pressure plate 54 on bottom plate 1, then install display diaphragm G, during installing display diaphragm G, each upper pressing surface 59 is pressed tightly on the upper end surface of display diaphragm G through the cooperation of bottom slide bar 55 and bottom slide hole 10 and the continuous force of tension spring 56, each side pressing surface 50 is pressed tightly on the side of display diaphragm G through the cooperation of side slide bar 57 and side slide hole 521 and the continuous force of compression spring 58, so as to guarantee the stability of display diaphragm G, effectively solve the problem that display diaphragm G displaces or deforms during using in the prior art, after installing display diaphragm G, install single-point pressure head or area pressure block according to the need of detection, during installing, the pressure shaft 421 of test block 42 presses limit slide block 43, and each connecting block 422 is in first sliding groove 451, and when reaching the intersection of first sliding groove 451 and connecting sliding groove 452, rotate, after rotating to connecting sliding groove 452, limit slide block 43 is continuously forced into third sliding groove by reset spring 44, so as to realize the detachable fixed connection of test block 42 and mounting block 41.

[0033] After installing test block 42, according to the need, the display diaphragm G is heated or cooled, then the display diaphragm G is pressure detected by electric reciprocating rod 4, the impact frequency of electric reciprocating rod 4 is controlled at 20Hz / s, test block 42 detects the pressure of each position of display diaphragm G by moving support 16 and the sliding of mounting seat 3, so as to realize the overall pressure detection of display diaphragm G, and the measured pressure is transmitted to the computer through diaphragm pressure sensor 2, realizing the stable pressing of display diaphragm G, and also displaying the stable and accurate test of display diaphragm G, the structure is ingenious, convenient and practical.

[0034] The above specific embodiments further illustrate the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above is only a specific embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A display film pressure testing apparatus having a base plate on which a display film can be placed, the base plate having a thin film pressure sensor disposed thereon between the display film and the base plate, the apparatus characterized by: The bottom plate is provided with a heating rod for lifting the display film after being powered on, and a condensing pipe for cooling the display film after being supplied with condensing medium, the bottom plate is provided with a first motor, a moving support slidingly arranged on the bottom plate under the driving of the first motor, a second motor fixedly arranged on the moving support, and a mounting seat slidingly arranged on the moving support under the driving of the second motor, the moving direction of the moving support is perpendicular to the moving direction of the mounting seat, the mounting seat is installed with an electric reciprocating rod, the telescopic end of the electric reciprocating rod is installed with a test block for testing the pressure of the display film on the bottom plate, the telescopic direction of the electric reciprocating rod is perpendicular to the bottom plate, the bottom plate is provided with a positioning assembly for positioning the display film, the positioning assembly comprises oppositely arranged first pressure rods, oppositely arranged second pressure rods, first pressure plates slidingly arranged on each first pressure rod, and second pressure plates slidingly arranged on each second pressure rod, each first pressure plate is oppositely arranged, each second pressure plate is also oppositely arranged, each first pressure rod and second pressure rod are vertically arranged, the bottom of each first pressure rod and second pressure rod is provided with a plurality of bottom sliding rods vertically arranged on the bottom plate, the bottom plate is provided with a bottom sliding hole matched with each bottom sliding rod, each bottom sliding rod is sleeved with a tension spring, the two ends of the tension spring are fixedly connected with the bottom sliding rod and the bottom of the bottom sliding hole, each first pressure plate and second pressure plate is provided with a side sliding rod arranged parallel to the bottom plate, the first pressure rod and the second pressure rod are provided with a side sliding hole matched with each side sliding rod, each side sliding rod is sleeved with a compression spring, the two ends of the compression spring are fixedly connected with the side sliding rod and the side sliding hole, each first pressure plate and second pressure plate is provided with a pressure groove, the pressure groove is provided with an upper pressing surface and a side pressing surface, each upper pressing surface is pressed against the upper end surface of the display film through the cooperation of the bottom sliding rod and the bottom sliding hole and the continuous force exerted by the tension spring, each side pressing surface is pressed against the side surface of the display film through the cooperation of the side sliding rod and the side sliding hole and the continuous force exerted by the compression spring, and the test block tests the pressure of the display film through the driving of the first motor on the moving support, the driving of the second motor on the mounting seat, and the driving of the electric reciprocating rod.

2. The display film pressure testing apparatus of claim 1, wherein: The telescopic end of the electric reciprocating rod is provided with a mounting block, the test block is mounted on the mounting block, the mounting block is provided with a telescopic groove coaxially arranged on the mounting block, a limiting sliding block is slidably arranged in the telescopic groove, a reset spring is arranged between the limiting sliding block and the groove bottom of the telescopic groove, and the two ends of the reset spring are fixedly connected with the limiting sliding block and the groove bottom of the telescopic groove respectively, a plurality of mounting grooves are arranged on the inner wall of the side wall of the telescopic groove, the mounting grooves include a first sliding groove, a second sliding groove and a connecting sliding groove connecting the first sliding groove and the second sliding groove, one end of the first sliding groove is communicated with the connecting sliding groove, the other end of the first sliding groove extends to the lower end surface of the mounting block along the axis of the telescopic groove, one end of the second sliding groove is communicated with the connecting sliding groove, the other end of the second sliding groove extends along the axis of the telescopic groove, and the length of the second sliding groove is less than that of the first sliding groove, the test block is provided with a pressing shaft capable of pressing the limiting sliding block, the pressing shaft is provided with a connecting block matched with each mounting groove, and the test block is detachably fixedly installed on the mounting block through the sliding cooperation of the limiting sliding block and the telescopic groove and the continuous force of the reset spring after the test block sequentially passes through the first sliding groove, the connecting sliding groove and the second sliding groove through each connecting block.

3. The display film pressure testing apparatus of claim 2, wherein: The test block is a single-point pressure head or a regional pressure block.

4. The display film pressure testing apparatus of claim 3, wherein: The bottom plate is provided with parallel arranged bottom supports, each bottom support is fixedly provided with a first sliding rail, each first sliding rail is slidably provided with a first sliding block, the extension direction of the first sliding rail is parallel arranged with the extension direction of the second pressing rod, each first sliding block is provided with a first driving block, each first driving block is provided with a threaded hole, the bottom plate is provided with two first motors corresponding to each bottom support, the output end of each first motor is provided with a driving screw, the other end of each driving screw is rotatably arranged on the corresponding bottom support, the moving support is arranged on each first driving block, the moving support slides on the bottom plate through the driving of each first motor on each driving screw and the cooperation of each driving screw and the threaded hole on the first driving block, the moving support is provided with a second sliding rail perpendicular to the extension direction of the first sliding rail, the second sliding rail is slidably provided with a second sliding block, the second sliding block is fixedly provided with a second driving block, the second driving block is also provided with a threaded hole, the output end of the second motor is also provided with a driving screw, the other end of the driving screw is rotatably arranged on the moving support, and the mounting seat is slidably arranged on the moving support through the driving of the second motor on the driving screw and the threaded cooperation of the driving screw and the threaded hole on the second driving block.

5. The display film pressure testing apparatus of claim 4, wherein: The mounting seat comprises a connecting plate fixed on the second driving block, an adjusting plate arranged on the connecting plate and perpendicular to the bottom plate, an adjusting block slidingly arranged on the adjusting plate, and a motor reciprocating rod fixedly arranged on the adjusting block, wherein the adjusting plate is provided with an adjusting protrusion extending from the upper end of the adjusting plate to the lower end of the adjusting plate, the adjusting block is provided with an adjusting groove matched with the adjusting protrusion, and the side of the adjusting block is provided with a threaded through hole communicated with the adjusting groove, and a locking screw is arranged in the threaded through hole.

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