CN116660047A - Pressure detector and pressure detection method for display screen production - Google Patents
Pressure detector and pressure detection method for display screen production Download PDFInfo
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- CN116660047A CN116660047A CN202310646909.3A CN202310646909A CN116660047A CN 116660047 A CN116660047 A CN 116660047A CN 202310646909 A CN202310646909 A CN 202310646909A CN 116660047 A CN116660047 A CN 116660047A
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- 238000001514 detection method Methods 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000003825 pressing Methods 0.000 claims abstract description 49
- 238000012360 testing method Methods 0.000 claims abstract description 47
- 238000006073 displacement reaction Methods 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 claims description 11
- 238000010304 firing Methods 0.000 claims description 9
- 230000008602 contraction Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention discloses a pressure detector for display screen production and a pressure detection method, which belong to the technical field of display screen production, and comprise a detection table, wherein a mounting plate is arranged on the detection table, a hydraulic cylinder is arranged at the top of the mounting plate, a pressing plate is arranged at the output end of the hydraulic cylinder, a plurality of test mechanisms for detecting the pressure of a display screen are also equidistantly arranged on the inner side wall of the mounting plate, and an adjusting mechanism for adjusting and limiting the display screen is also arranged below the displacement test mechanism on the detection table; according to the invention, the length of the first telescopic spring is adjusted through the telescopic action of the first electric control cylinder, so that the pressure column on each testing mechanism applies different pressures to the display screen, and when the hydraulic cylinder moves downwards, multiple pressures with different magnitudes can be simultaneously provided for applying pressure to the display screen, so that multiple groups of parameters are increased, and the acquired detection data is more accurate.
Description
Technical Field
The invention belongs to the technical field of display screen production, and particularly relates to a pressure detector and a pressure detection method for display screen production.
Background
The display screen is a display, which is composed of small LED module panels and is used for displaying various information such as characters, images and videos, the electronic display screen integrates microelectronic technology, computer technology and information processing, has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable work and the like, is widely applied to commercial media, cultural performance markets, stadiums, information propagation, news release, securities trade and the like, can meet the requirements of different environments, and has increasingly increased production requirements.
The outermost layer of the display screen is generally made of organic glass, so that the display screen is required to be subjected to pressure test during production, and the strength and the pressure resistance of the whole display screen are detected. The existing detection generally adopts preset pressure to detect the display screen, and the detection result is inaccurate due to lack of reference pressure when the single pressure is adopted for testing; in the prior art, the display screen is only horizontally placed, then the pressure test is carried out on the display screen from a force perpendicular to the direction of the display screen, but in actual life, when the display screen is subjected to pressure collision, the display screen is not necessarily placed flatly, and if the situation of being placed flatly is detected, the detected data are not accurate enough.
Disclosure of Invention
The invention aims to provide a pressure detector and a pressure detection method for display screen production, which are used for solving the problems in the background technology.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a pressure detector for display screen production, includes the test bench, be equipped with a mounting panel on the test bench, the top of mounting panel is equipped with a hydraulic cylinder, be equipped with the clamp plate on the output of hydraulic cylinder, still equidistantly install a plurality of testing mechanism that are used for carrying out pressure detection to the display screen on the inside wall of mounting panel, the below of displacement testing mechanism on the test bench still is equipped with the adjustment mechanism that adjusts the spacing to the display screen;
the detection table is also provided with a controller, and the controller is used for controlling the expansion and the contraction of the hydraulic cylinder so as to drive the testing mechanism to carry out pressure detection on the display screen on the adjusting mechanism.
Further, the testing mechanism comprises a mounting column connected with the mounting plate, the tail end of the mounting column is fixedly connected with a fixing cylinder, a pressing column is connected in the fixing cylinder in a sliding mode, two first convex plates are symmetrically arranged on the side wall of the pressing column, a first telescopic spring is arranged at the bottom of each first convex plate, two grooves are symmetrically formed in the outer wall of the fixing cylinder, the grooves are formed in the same vertical line with the first convex plates, a second convex plate is connected in the grooves in a sliding mode, a first electric control cylinder is arranged in the grooves, the output end of the first electric control cylinder is connected with the side wall of the second convex plate, and the tail end of each first telescopic spring is connected with the top of the second convex plate.
Further, the top of the pressing column is provided with a plurality of first anti-slip teeth, the bottom of the pressing column is connected with a first rubber pad, the bottom of the pressing plate is provided with a sleeve hole matched with the pressing column, and the inner top of the sleeve hole is provided with a plurality of second anti-slip teeth.
Further, guiding mechanism is including installing the bottom plate on the mounting panel, bottom plate intermediate position is equipped with the stand, install first U type groove on the stand, be equipped with first bearing frame on two landing legs in first U type groove, two rotate between the first bearing frame and be equipped with the cross axle, be connected with a coupling assembling on the other both ends of cross axle, fixed subassembly is installed at coupling assembling's top, still swing joint has the automatically controlled cylinder of second on the mounting panel, the output and the coupling assembling swing joint of the automatically controlled cylinder of second.
Further, coupling assembling includes two U templates, is connected through two bearing frames between two U templates, the second bearing frame rotates with the other both ends of cross connecting axle and is connected, two still be connected with the second U type groove between the second bearing frame, fixed subassembly sets up on the second U type groove, one of them U template and one of them all be equipped with the hemisphere groove on the second bearing frame, two the hemisphere groove respectively with the output swing joint of second automatically controlled cylinder.
Further, fixed subassembly includes the fixed plate, a spout has been seted up on the fixed plate, the spout internal rotation is equipped with the axis of rotation, the symmetry is equipped with two screw grooves that screw thread direction is opposite on the outer wall of axis of rotation, two all cooperate with the slider on the screw groove, swing joint between slider and the spout, the top of slider still is equipped with L template, threaded connection has the screw thread post on the L template, the bottom swing joint of screw thread post has the stripper plate, L template still is equipped with sliding connection has spacing post, the other end and the stripper plate of spacing post are connected, the bottom of stripper plate still is equipped with the second rubber pad, the both sides that lie in the spout on the fixed plate still are equipped with the mounting groove, install crooked detection mechanism in the mounting groove.
Further, the bending detection mechanism comprises a mounting cylinder connected with the mounting groove, a firing pin is slidably connected in the mounting cylinder, a displacement sensor connected with the controller is arranged at the bottom of the firing pin, two connecting plates are symmetrically arranged on the outer wall of the firing pin, and the connecting plates are connected with the mounting cylinder through a second telescopic spring.
A pressure detection method for display screen production, the detection method comprising:
step one, respectively twisting a rotating shaft and a threaded column according to the width and the thickness of a display screen to be tested to drive two sliding blocks and an extrusion plate to move, so as to fix the display screen;
step two, the controller controls the first electric control cylinder on each test mechanism to stretch and retract to different lengths, so that the lengths of the first telescopic springs on each test mechanism are different, and the pressure of each pressing column is adjusted;
step three, the controller controls the hydraulic cylinder to stretch and retract to drive the pressing plate to press down, so that the pressing column is driven to press down together, and the pressure test is carried out on the display screen below;
and step four, simultaneously controlling the two second electric control cylinders to stretch out and draw back by different lengths by the controller so as to drive the fixed plate to deflect along different directions, thereby changing the inclination angle of the display screen on the fixed plate and testing.
The invention has the beneficial effects that:
according to the invention, the length of the first telescopic spring is adjusted through the telescopic action of the first electric control cylinder, so that the pressure column on each testing mechanism presses the display screen differently, and when the hydraulic cylinder moves downwards, the pressure of various different sizes can be simultaneously increased to press the display screen, so that multiple groups of parameters are increased, and the acquired detection data are more accurate.
According to the invention, the telescopic and connecting components of the two second electric control cylinders are movably connected, and the cross connecting shaft can be driven to rotate along different surfaces under the cooperation of the connecting components and the second electric control cylinders, so that the inclination angle of the fixed component can be changed, the display screen can be placed at different inclination angles relative to the testing mechanism, and the compression condition of the display screen under different position conditions can be simulated, so that the detection result is more real and accurate.
According to the invention, the bending detection mechanism is arranged below the fixing component, so that the bending degree of the display screen under different pressure conditions can be detected, the bending resistance of the display screen under corresponding pressure can be known, and the detection is convenient.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a testing mechanism according to the present invention;
FIG. 3 is a schematic view of a platen according to the present invention;
FIG. 4 is a schematic diagram of an adjusting mechanism according to the present invention;
FIG. 5 is a schematic view of a portion of the structure of the base plate according to the present invention;
FIG. 6 is a schematic view of a connecting assembly according to the present invention;
FIG. 7 is a schematic view of a fixing assembly according to the present invention;
fig. 8 is a schematic structural view of a bending detection mechanism in the present invention.
The drawings illustrate:
1. a detection table; 2. a mounting plate; 3. a hydraulic cylinder; 4. a pressing plate; 5. a testing mechanism; 6. an adjusting mechanism; 7. a controller; 8. a bending detection mechanism; 501. a mounting column; 502. a fixed cylinder; 503. pressing a column; 504. a first convex plate; 505. a first extension spring; 506. slotting; 507. a second convex plate; 508. a first anti-slip tooth; 509. a first rubber pad; 510. a first electronically controlled cylinder; 401. trepanning; 402. a second anti-slip tooth; 601. a bottom plate; 602. a column; 603. a first U-shaped groove; 604. a first bearing seat; 605. a cross-shaped connecting shaft; 606. a connection assembly; 607. a fixing assembly; 608. the second electric control cylinder; 6061. a U-shaped plate; 6062. a second bearing seat; 6063. a second U-shaped groove; 6064. hemispherical grooves; 6071. a fixing plate; 6072. a chute; 6073. a rotating shaft; 6074. a screw groove; 6075. a slide block; 6076. an L-shaped plate; 6077. a threaded column; 6078. an extrusion plate; 6079. a limit column; 60710. a second rubber pad; 60711. a mounting groove; 801. a mounting cylinder; 802. a striker; 803. a displacement sensor; 804. a connecting plate; 805. and a second telescopic spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The utility model provides a pressure detector is used in display screen production, as shown in fig. 1, including detecting platform 1, be equipped with a mounting panel 2 on detecting platform 1, the top of mounting panel 2 is equipped with a hydraulic cylinder 3, be equipped with clamp plate 4 on the output of hydraulic cylinder 3, still equidistantly install a plurality of test mechanism 5 that are used for carrying out pressure detection to the display screen on the inside wall of mounting panel 2, test mechanism 5 carries out pressure test to the display screen through the control of clamp plate 4, and the below of displacement test mechanism 5 still is equipped with the guiding mechanism 6 that adjusts spacing to the display screen on detecting platform 1, guiding mechanism 6 can be used to fix the display screen that needs to detect, simultaneously adjust the display screen placement angle, thereby be convenient for test mechanism 5 carries out pressure test, still install controller 7 on detecting platform 1, controller 7 is used for controlling all electrical parts on this detector, thereby be convenient for control operation, thereby controller 7 still is used for controlling the flexible of hydraulic cylinder 3 and drives guiding mechanism 5 and carries out pressure detection to the display screen on guiding mechanism 6.
As shown in fig. 2 and 3, the test mechanism 5 includes a mounting post 501 connected with the mounting plate 2, the end of the mounting post 501 is fixedly connected with a fixing cylinder 502, the fixing cylinder 502 is slidably connected with a pressing post 503, two first convex plates 504 are symmetrically arranged on the side wall of the pressing post 503, a first expansion spring 505 is installed at the bottom of the first convex plates 504, two slots 506 are symmetrically arranged on the outer wall of the fixing cylinder 502, the slots 506 and the first convex plates 504 are on the same vertical line, a second convex plate 507 is slidably connected in the slots 506, a first electric control cylinder 510 is arranged in the slots 506, the output end of the first electric control cylinder 510 is connected with the side wall of the second convex plate 507, the end of the first expansion spring 505 is connected with the top of the second convex plate 507, the pressing post 503 slides up and down on the fixing cylinder 502 through the extrusion of the pressing plate 4, the first expansion spring 505 is reset through the first expansion spring 505, a buffer force is also provided during extrusion, damage to a display screen is avoided, the first electric control cylinder 510 can drive the second expansion cylinder 507 to slide down the first expansion spring 505, the length of the first expansion spring 505 can be adjusted, and the length of the first expansion spring can be adjusted, and the expansion spring can be adjusted. The top of the pressing column 503 is provided with a plurality of first anti-slip teeth 508, the bottom of the pressing column 503 is connected with a first rubber pad 509, the bottom of the pressing plate 4 is provided with a sleeve hole 401 matched with the pressing column 503, the inner top of the sleeve hole 401 is provided with a plurality of second anti-slip teeth 402, the pressing column 503 is matched with the sleeve hole 401 of the pressing plate 4, the pressing plate 4 can be limited, so that the effectiveness of each pressing detection of the pressing column 503 is guaranteed, the first anti-slip teeth 508 and the second anti-slip teeth 402 are arranged, the pressing plate 4 can be further limited in a clearance, and the arranged first rubber pad 509 can reduce the damage of the pressing column 503 to a display screen.
As shown in fig. 4-7, the adjusting mechanism 6 includes a base plate 601 mounted on the mounting plate 2, a stand column 602 is disposed in the middle of the base plate 601, a first U-shaped groove 603 is mounted on the stand column 602, two supporting legs of the first U-shaped groove 603 are provided with first bearing seats 604, a cross-shaped connecting shaft 605 is rotatably disposed between the two first bearing seats 604, a connecting component 606 is connected to the other two ends of the cross-shaped connecting shaft 605, a fixing component 607 is mounted on the top of the connecting component 606, a second electric control cylinder 608 is movably connected to the mounting plate 2, an output end of the second electric control cylinder 608 is movably connected to the connecting component 606, the connecting component 606 includes two U-shaped plates 6061, the two U-shaped plates 6061 are connected through two second bearing seats 6062, the second bearing seats 6062 are rotatably connected to the other two ends of the cross-shaped connecting shaft 605, a second U-shaped groove 6063 is also connected between the two second bearing seats 6062, the fixing component 607 is disposed on the second U-shaped groove 6063, one of the two semi-spherical grooves 6064 are respectively movably connected to the output end of the second electric control cylinder 608. The two second electric control cylinders 608 can stretch out and draw back under the control of the controller 7, and when one second electric control cylinder 608 stretches out and draws back, the cross connecting shaft 605 rotates along the left surface and the right surface through the movable connection with the hemispherical groove 6064, so that the fixing component 607 tilts to different degrees to change the placement angle of the display screen; when the other second electric control cylinder 608 stretches out and draws back, through the swing joint with hemisphere groove 6064, then can drive cross connecting axle 605 and rotate along upper and lower face, change the inclination of fixed subassembly 607 in proper order, through the flexible of two second electric control cylinders 608, can make the placing of display screen present different inclination relative to test mechanism 5, can simulate the pressurized condition under the different position situation of display screen like this to make the testing result more true and accurate.
As shown in fig. 7, the fixing assembly 607 includes a fixing plate 6071, a sliding groove 6072 is formed in the fixing plate 6071, a rotating shaft 6073 is rotationally arranged in the sliding groove 6072, two screw grooves 6074 with opposite screw directions are symmetrically arranged on the outer wall of the rotating shaft 6073, sliding blocks 6075 are matched on the two screw grooves 6074, the sliding blocks 6075 are movably connected with the sliding groove 6072, an L-shaped plate 6076 is further arranged at the top of the sliding block 6075, a screw column 6077 is connected with the L-shaped plate 6076 in a threaded manner, a squeezing plate 6078 is movably connected with the bottom of the screw column 6077, a limit column 6079 is further connected with the squeezing plate 6078 in a sliding manner, a second rubber pad 60710 is further arranged at the bottom of the squeezing plate 6078, mounting grooves 60711 are further arranged on two sides of the fixing plate 6071, and a bending detection mechanism 8 is mounted in the mounting grooves 60711. Under the cooperation of the screw grooves 6074 with the opposite screw thread directions and the sliding blocks 6075, the distance between the two sliding blocks 6075 is adjusted through the rotation of the rotating shaft 6073, so that display screens with different widths are fixed, the extruding plate 6078 can be driven to rotate in the vertical direction through the rotation of the screw thread column 6077, display screens with different thicknesses can be fixed, the applicability of the fixing assembly 607 is improved, and the damage of the extruding plate 6078 to the display screens can be reduced through the arranged second rubber pad 60710.
As shown in fig. 8, the bending detection mechanism 8 includes a mounting cylinder 801 connected to a mounting groove 60711, a striker 802 is slidably connected to the mounting cylinder 801, a displacement sensor 803 connected to the controller 7 is provided at the bottom of the striker 802, two connection plates 804 are symmetrically provided on the outer wall of the striker 802, and the connection plates 804 are connected to the mounting cylinder 801 by a second extension spring 805. The bending detection mechanism 8 is arranged below the display screen after clamping and fixing, and the top of the firing pin 802 is just flush with the top of the sliding block 6075 and is contacted with the bottom of the display screen, so that the display screen can bend downwards under the action of pressure, the firing pin 802 is propped against to drive the firing pin 802 to slide in the mounting cylinder 801, the sliding distance can be measured through the displacement sensor 803, and the bending resistance of the display screen can be known under the pressure detection, so that the detection is convenient.
When the display screen is used, according to the width and the thickness of the display screen to be tested, the rotating shaft 6073 and the threaded column 6077 are respectively twisted to drive the two sliding blocks 6075 and the extrusion plate 6078 to move, the display screen is placed between the extrusion plate 6078 and the two sliding blocks 6075, and the display screen is fixed through extrusion of the extrusion plate 6078; after the fixing is finished, the controller 7 controls the first electric control cylinder 510 on each test mechanism 5 to stretch and retract for different lengths, so that the distance between the second convex plate 507 and the first convex plate 504 is adjusted to change the length of the first telescopic spring 505 on each test mechanism 5, the pressure column 503 is subjected to different buffering forces due to the change of the length of the first telescopic spring 505, and the force when the pressure column 503 is pressed down is also different, so that the pressure can be adjusted by adjusting the first telescopic spring 505, the pressure reference comparison is increased, and the detection can be more accurate; then the controller 7 controls the hydraulic cylinder 3 to stretch and retract to drive the pressing plate 4 to press downwards, and after the sleeve holes 401 on the pressing plate 4 are matched with the pressing posts 503, the pressing posts 503 are pressed downwards together to perform pressure test on the display screen below; the controller 7 controls the two second electric control cylinders 608 to extend and retract for different lengths at the same time of testing, and under the cooperation of the connecting component 606, the fixing plate 6071 can be driven to deflect along different directions, so that the inclination angle of the display screen fixed on the fixing plate 6071 is changed, and the test is performed.
In summary, the method for detecting pressure for display screen production mainly comprises the following steps:
step one, according to the width and thickness of the display screen to be tested, respectively twisting the rotating shaft 6073 and the threaded column 6077 to drive the two sliding blocks 6075 and the extrusion plate 6078 to move, thereby fixing the display screen;
step two, the controller 7 controls the first electric control cylinder 510 on each test mechanism 5 to stretch and retract to different lengths, so that the lengths of the first stretching springs 505 on each test mechanism 5 are different, and the pressure of the corresponding pressing column 503 is adjusted;
step three, the controller 7 controls the hydraulic cylinder 3 to stretch and retract to drive the pressing plate 4 to press down, so as to drive the pressing column 503 to press down together, and the pressure test is carried out on the display screen below;
and step four, simultaneously, the controller 7 controls the two second electric control cylinders 608 to stretch and retract for different lengths so as to drive the fixing plate 6071 to deflect along different directions, thereby changing the inclination angle of the display screen on the fixing plate 6071 for testing.
The foregoing is merely illustrative and explanatory of the principles of the invention, as various modifications and additions may be made to the specific embodiments described, or similar thereto, by those skilled in the art, without departing from the principles of the invention or beyond the scope of the appended claims.
Claims (8)
1. The utility model provides a pressure detector for display screen production, includes detection platform (1), its characterized in that, be equipped with a mounting panel (2) on detection platform (1), the top of mounting panel (2) is equipped with a hydraulic cylinder (3), be equipped with clamp plate (4) on the output of hydraulic cylinder (3), still equidistantly install a plurality of testing mechanism (5) that are used for carrying out pressure detection to the display screen on the inside wall of mounting panel (2), the below of displacement testing mechanism (5) still is equipped with adjustment mechanism (6) that adjust spacing to the display screen on detection platform (1);
the detection table (1) is also provided with a controller (7), and the controller (7) is used for controlling the expansion and contraction of the hydraulic cylinder (3) so as to drive the testing mechanism (5) to carry out pressure detection on the display screen on the adjusting mechanism (6).
2. The pressure detector for display screen production according to claim 1, wherein the testing mechanism (5) comprises a mounting column (501) connected with a mounting plate (2), the tail end of the mounting column (501) is fixedly connected with a fixed cylinder (502), a pressing column (503) is slidably connected in the fixed cylinder (502), two first convex plates (504) are symmetrically arranged on the side wall of the pressing column (503), two grooves (506) are symmetrically formed on the outer wall of the fixed cylinder (502), a second convex plate (507) is slidably connected in the grooves (506), a first electric control cylinder (510) is arranged in the grooves (506), the output end of the first electric control cylinder (510) is connected with the side wall of the second convex plate (507), and the tail end of the first telescopic spring (505) is connected with the top of the second convex plate (507).
3. The pressure detector for display screen production according to claim 2, wherein a plurality of first anti-slip teeth (508) are arranged at the top of the pressing column (503), a first rubber pad (509) is connected to the bottom of the pressing column (503), a sleeve hole (401) matched with the pressing column (503) is arranged at the bottom of the pressing plate (4), and a plurality of second anti-slip teeth (402) are arranged at the inner top of the sleeve hole (401).
4. The pressure detector for display screen production according to claim 1, characterized in that the adjustment mechanism (6) comprises a bottom plate (601) installed on a mounting plate (2), a stand column (602) is arranged in the middle of the bottom plate (601), a first U-shaped groove (603) is installed on the stand column (602), first bearing seats (604) are arranged on two supporting legs of the first U-shaped groove (603), a cross-shaped connecting shaft (605) is rotatably arranged between the two first bearing seats (604), a connecting component (606) is connected to the other two ends of the cross-shaped connecting shaft (605), a fixing component (607) is installed at the top of the connecting component (606), a second electronic control cylinder (608) is movably connected to the mounting plate (2), and the output end of the second electronic control cylinder (608) is movably connected with the connecting component (606).
5. The pressure detector for display screen production according to claim 4, wherein the connecting component (606) comprises two U-shaped plates (6061), the two U-shaped plates (6061) are connected through two second bearing seats (6062), the second bearing seats (6062) are rotationally connected with the other two ends of the cross-shaped connecting shaft (605), a second U-shaped groove (6063) is further connected between the two second bearing seats (6062), the fixing component (607) is arranged on the second U-shaped groove (6063), one of the U-shaped plates (6061) and one of the second bearing seats (6062) are respectively provided with a hemispherical groove (6064), and the two hemispherical grooves (6064) are respectively movably connected with the output end of the second electric control cylinder (608).
6. The pressure detector for display screen production of claim 4, wherein the fixing component (607) comprises a fixing plate (6071), a chute (6072) is formed in the fixing plate (6071), a rotating shaft (6073) is arranged in the chute (6072) in a rotating mode, two screw grooves (6074) with opposite screw threads are symmetrically formed in the outer wall of the rotating shaft (6073), sliding blocks (6075) are matched with the screw grooves (6074), the sliding blocks (6075) are movably connected with the chute (6072), L-shaped plates (6076) are further arranged at the top of the sliding blocks (6075), pressing plates (6078) are movably connected with screw columns (6077) at the bottom of the screw columns (6077), limiting columns (6079) are further arranged in a sliding mode, the other ends of the limiting columns (6079) are connected with the pressing plates (6078), second pressing plates (6078) are further arranged at the bottom of the pressing plates (6078), and the two sides of the second pressing plates (60710) are further provided with rubber pads (6071) which are further arranged in the fixing grooves (608).
7. The pressure detector for display screen production according to claim 6, wherein the bending detection mechanism (8) comprises a mounting cylinder (801) connected with a mounting groove (60711), a firing pin (802) is slidably connected in the mounting cylinder (801), a displacement sensor (803) connected with a controller (7) is arranged at the bottom of the firing pin (802), two connecting plates (804) are symmetrically arranged on the outer wall of the firing pin (802), and the connecting plates (804) are connected with the mounting cylinder (801) through a second telescopic spring (805).
8. A pressure detection method for display screen production, comprising the pressure detector for display screen production according to any one of claims 1 to 7, characterized in that the detection method comprises:
step one, according to the width and thickness of a display screen to be tested, respectively twisting a rotating shaft (6073) and a threaded column (6077) to drive two sliding blocks (6075) and a squeezing plate (6078) to move, so as to fix the display screen;
step two, the controller (7) controls the first electric control cylinder (510) on each test mechanism (5) to stretch and retract for different lengths, so that the lengths of the first telescopic springs (505) on each test mechanism (5) are different, and the pressure of the corresponding pressing column (503) is adjusted;
step three, the controller (7) controls the hydraulic cylinder (3) to stretch and retract to drive the pressing plate (4) to press down, so that the pressing columns (503) are driven to press down together, and the pressure test is carried out on the display screen below;
and step four, simultaneously, the controller (7) controls the two second electric control cylinders (608) to stretch and retract for different lengths so as to drive the fixed plate (6071) to deflect along different directions, thereby changing the inclination angle of the display screen on the fixed plate (6071) and testing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310646909.3A CN116660047A (en) | 2023-06-02 | 2023-06-02 | Pressure detector and pressure detection method for display screen production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367950A (en) * | 2023-12-04 | 2024-01-09 | 宁波可挺汽车零部件有限公司 | Automobile control arm test fixture |
| CN117367760A (en) * | 2023-11-13 | 2024-01-09 | 山东丞辉信息科技发展有限公司 | Component testing device for display screen |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367760A (en) * | 2023-11-13 | 2024-01-09 | 山东丞辉信息科技发展有限公司 | Component testing device for display screen |
| CN117367760B (en) * | 2023-11-13 | 2024-03-08 | 山东丞辉信息科技发展有限公司 | Component testing device for display screen |
| CN117367950A (en) * | 2023-12-04 | 2024-01-09 | 宁波可挺汽车零部件有限公司 | Automobile control arm test fixture |
| CN117367950B (en) * | 2023-12-04 | 2024-03-22 | 宁波可挺汽车零部件有限公司 | Automobile control arm test fixture |
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