CN219830162U

CN219830162U - Multi-pressure sensor detection device of pressure head

Info

Publication number: CN219830162U
Application number: CN202321064337.XU
Authority: CN
Inventors: 宋严成; 陈国彬
Original assignee: Suzhou Nuosaijin Electronic Machinery Co ltd
Current assignee: Suzhou Nuosaijin Electronic Machinery Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-10-13
Anticipated expiration: 2033-05-06

Abstract

The utility model discloses a device for detecting multiple pressure sensors of a pressure head, which relates to the technical field of detection of LCD (liquid crystal display) and OLED (organic light emitting diode) screens and comprises the following components: the operation display screen is movably arranged on the back of the operation display screen, a rotary main shaft is arranged on the central line of the rotary table, a pressure detection seat is arranged on the upper surface of the rotary table, and a pressure sensor signal processing element is arranged on the surface of the pressure detection seat; this many pressure sensor detection device of pressure head, through the setting of carousel, lie in fixed connection between carousel and the rotatory main shaft, and rotatory main shaft corresponds the central line of carousel, and rotatory main shaft's lower extreme is connected with driving motor, drives rotatory main shaft through driving motor and rotates, and then drives the carousel rotation, owing to the carousel surface is provided with the multiunit and goes down the cassette, can settle a plurality of pressure heads simultaneously, utilizes the rotation of carousel to come the detection that the pressure head carries out the matchability with last pressure head one by one of going down of same batch like this.

Description

Multi-pressure sensor detection device of pressure head

Technical Field

The utility model relates to the technical field of detection of LCD (liquid Crystal display) and OLED (organic light emitting diode) screens, in particular to a device for detecting multiple pressure sensors of a pressing head.

Background

The display screen has very important effect in every industry now, and wherein the type of display screen is including LED, LCD, OLED screen, generally belongs to the flat panel display field, and in the flat panel display field, this presses the process as the module and binds the important link in the production process, and this presses the direct influence screen module production yield that whether to go bad, and this presses the pressure value and detects through pressure sensor.

The prior art can refer to the publication number: CN214471455U discloses a device for detecting multiple pressure sensors of a pressing head, which is provided with at least one pressure sensor in a lower pressing head assembly, wherein the at least one pressure sensor can meet the detection requirement of a large-size pressing head, feedback the size of the pressing pressure, guide and control other output pressures, and the pressure sensor is arranged at the bottom of the lower pressing head and used for detecting the pressure and the flatness of the pressing head.

The pressure head multiple pressure sensor detection device is characterized in that at least one pressure sensor is arranged below the lower pressure head, so that at least one pressure sensor can sense a pressure value when pressure detection is carried out, although the pressure and flatness of the upper pressure head and the lower pressure head are detected, the matching degree between the upper pressure head and the lower pressure head cannot be detected at the same time, so that the rejection rate of the pressure head in the detection process is increased, the flatness of the upper pressure head and the flatness of the lower pressure head are detected, obvious display and observation cannot be carried out, the flatness detection accuracy is poor, and in addition, the pressure bearing uniformity cannot be guaranteed in the pressure detection process.

Disclosure of Invention

The utility model aims to solve the technical problems that the accuracy of the detection process is poor, the pressure balance is influenced, and the rejection rate of a pressure head in the detection process is high in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a this pressure head multiple pressure sensor detection device, includes:

the operation display screen is characterized in that a rotary table is movably arranged on the back of the operation display screen, a rotary main shaft is arranged on the central line of the rotary table, a pressure detection seat is arranged on the upper surface of the rotary table, a pressure sensor signal processing element is arranged on the surface of the pressure detection seat, a radiation wire is connected to the surface of the pressure sensor signal processing element, and a sensitive element is arranged on the surface of the radiation wire;

a lower clamping seat is arranged above the pressure detection seat, a lower pressure head is embedded in the lower clamping seat, an upper clamping seat is arranged above the lower clamping seat, and an upper pressure head is embedded in the upper clamping seat;

the film pressing device is characterized in that a film seat is arranged between the lower pressing head and the upper pressing head, the surface of the film seat is close to the surface of the lower pressing head, a positioning hole is formed in the surface of the film seat, a flat sheet pad is mounted in the inner embedding mode of the positioning hole, a probe is fixedly arranged on the upper surface of the flat sheet pad, a conductive film is mounted in the middle of the inner portion of the film seat, a first copper sheet strip is arranged on the surface of the conductive film, and a second copper sheet strip is arranged below the first copper sheet strip.

In a preferred embodiment, the turntable is fixedly connected with the rotating spindle, the pressure detection seats and the lower clamping seats are arranged in one-to-one correspondence, and the pressure detection seats are distributed annularly about the center line of the turntable.

In a preferred embodiment, the pressure sensor signal processing element is electrically connected to the sensing element through a radiation wire, and the sensing element is annularly radially distributed with respect to a center line of the pressure sensor signal processing element.

In a preferred embodiment, the two sides of the upper clamping seat are provided with a first-stage lifting cylinder rod, and the upper side of the upper clamping seat is provided with a second-stage lifting cylinder rod.

In a preferred embodiment, the lower surface of the flat pad is connected with a supporting spring, the lower end of the supporting spring is provided with a pressure sensing piece, the flat pad is uniformly distributed on the upper surface of the film seat, and the flat pad is integrally connected with the probe.

In a preferred embodiment, the electrode plate is fixedly adhered to the lower surface of the first copper sheet strip, the conductive plate is fixedly adhered to the upper surface of the second copper sheet strip, the positioner is embedded in the first copper sheet strip, and the positioner is electrically connected with the electrode plate.

In a preferred embodiment, the first copper strip and the second copper strip are arranged in a crisscross manner, and the first copper strip and the second copper strip are vertically parallel.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the multi-pressure-sensor detection device for the pressing heads, through the arrangement of the turntables, the turntables are fixedly connected with the rotating main shafts, the rotating main shafts correspond to the central lines of the turntables, the lower ends of the rotating main shafts are connected with driving motors, the driving motors drive the rotating main shafts to rotate so as to drive the turntables to rotate, and as a plurality of groups of lower clamping seats are arranged on the surfaces of the turntables, a plurality of lower pressing heads can be simultaneously arranged, so that the lower pressing heads in the same batch are detected in a matching mode with the upper pressing heads one by utilizing the rotation of the turntables, the upper pressing heads can be matched with the lower pressing heads which are balanced and consistent with the flatness and the pressed pressure, and the rejection rate of the pressing heads is reduced;

2. according to the multi-pressure sensor detection device for the pressing head, through the arrangement of the film seat, the upper pressing head and the lower pressing head are used for pressing the film seat, the probe on the surface of the film seat is contacted with the first copper sheet strip, the second copper sheet strip, the first copper sheet strip and the second copper sheet strip are arranged in a transverse and vertical intersecting mode, the intersecting position of the first copper sheet strip and the second copper sheet strip corresponds to one intersecting point on the longitude and latitude grid pattern, after being pressed, the electrode plate and the conducting strip are attached, so that a circuit signal of the locator is connected, the corresponding intersecting point on the longitude and latitude grid pattern is lightened, and therefore whether the pressed of the pressing head is balanced or not can be judged through the lighting quantity and the lighting position on the longitude and latitude grid pattern, and the flatness condition of the pressing head can be accurately and obviously observed;

3. this many pressure sensor detection device of pressure head, through the setting of pressure detection seat, the surface of pressure detection seat is provided with pressure sensor signal processing element, through the radial wire, distribute a plurality of groups of sensitive elements radioactivity around pressure sensor signal processing element, the bottom of pressure head can not appear only having the hard condition such as at least one sensor down like this, the sensitive element of radioactivity distribution, can accurate sensitive detection pressure, mainly direct to sensitive element, will detect the pressure value, the sensitivity obtains great improvement like this, the rejection rate of pressure head is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a device for detecting multiple pressure sensors of a pressing head according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a surface structure of a pressure detecting seat of a device for detecting multiple pressure sensors of a pressing head according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a film holder of a multi-pressure sensor detecting device according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of a split structure of a film holder of the multi-pressure sensor detecting device of the present utility model according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a first and second warp and weft intersecting structure of a copper strip of the multi-pressure sensor detecting device of the present utility model according to an embodiment of the present utility model;

fig. 6 is a schematic view showing a warp and weft grid on a terminal display screen of the multi-pressure sensor detection device of the present utility model in an embodiment of the present utility model.

1. Operating a display screen; 2. a turntable; 21. rotating the main shaft; 3. a pressure detection seat; 301. a pressure sensor signal processing element; 302. a radiation guide wire; 303. a sensor; 4. a lower clamping seat; 5. a lower pressure head; 6. an upper clamping seat; 7. an upper pressure head; 8. a first-stage lifting cylinder rod; 9. a second-stage lifting cylinder rod; 10. a film base; 1001. positioning holes; 1002. a flat pad; 1003. a probe; 1004. a support spring; 1005. a pressure sensor; 11. a conductive film; 1101. a first copper sheet strip; 1102. copper strips II; 1103. an electrode sheet; 1104. a conductive sheet; 1105. a positioner.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-2, in this embodiment, a multi-pressure sensor detecting device for a pressing head includes: the operation display screen 1, the rotary table 2 is movably arranged on the back of the operation display screen 1, the rotary main shaft 21 is arranged on the central line of the rotary table 2, the rotary table 2 is fixedly connected with the rotary main shaft 21, the pressure detection seats 3 and the lower clamping seats 4 are arranged in a one-to-one correspondence manner, and the pressure detection seats 3 are distributed annularly relative to the central line of the rotary table 2;

through the setting of carousel 2, utilize the rotation of carousel 2 to switch different lower pressure head 5, do benefit to like this and let lower pressure head 5 can match with last pressure head 7 one by one, avoid a set of not matching and go up and cause the pressure head abandonment of whole group, match one by one, can reduce the abandonment rate.

The upper surface of the turntable 2 is provided with a pressure detection seat 3, the surface of the pressure detection seat 3 is provided with a pressure sensor signal processing element 301, the surface of the pressure sensor signal processing element 301 is connected with a radiation wire 302, the surface of the radiation wire 302 is provided with a sensitive element 303, the pressure sensor signal processing element 301 is electrically connected with the sensitive element 303 through the radiation wire 302, and the sensitive element 303 is annularly and radially distributed about the central line of the pressure sensor signal processing element 301;

through the setting of pressure detection seat 3, a plurality of sensing elements 303 are distributed on the pressure detection seat 3, and the sensing elements 303 are connected with the pressure sensor signal processing element 301 through the radiation wire 302, and as the sensing elements 303 are distributed around the pressure sensor signal processing element 301 in a radioactive manner, the range of pressure detection is enlarged, and the set plurality of sensing elements 303 can improve the sensitivity of the pressure detection.

A lower clamping seat 4 is arranged above the pressure detection seat 3, a lower pressure head 5 is embedded in the lower clamping seat 4, an upper clamping seat 6 is arranged above the lower clamping seat 4, an upper pressure head 7 is embedded in the upper clamping seat 6, primary lifting cylinder rods 8 are arranged on two sides of the upper clamping seat 6, and a secondary lifting cylinder rod 9 is arranged above the upper clamping seat 6;

through the arrangement of the primary lifting cylinder rod 8 and the secondary lifting cylinder rod 9, stage pressure application can be performed, and pressure stability in the pressure application process is improved.

Embodiment two:

referring to fig. 1-6, in this embodiment, a film holder 10 is disposed between a lower press head 5 and an upper press head 7, the surface of the film holder 10 is close to the surface of the lower press head 5, a positioning hole 1001 is formed on the surface of the film holder 10, a flat sheet pad 1002 is embedded in the positioning hole 1001, a probe 1003 is fixedly disposed on the upper surface of the flat sheet pad 1002, a supporting spring 1004 is connected to the lower surface of the flat sheet pad 1002, a pressure sensing element 1005 is disposed at the lower end of the supporting spring 1004, the flat sheet pad 1002 is uniformly distributed on the upper surface of the film holder 10, and the flat sheet pad 1002 and the probe 1003 are integrally connected;

by uniformly and equidistantly distributing a plurality of probes 1003 on the film holder 10, the probes 1003 can be extruded by the upper pressure head 7 and the lower pressure head 5, so that the probes 1003 can be retracted into the film holder 10, and thus, the pressure sensing element in the film holder 10 can be triggered;

a conductive film 11 is arranged in the middle of the inside of the film seat 10, a first copper sheet strip 1101 is arranged on the surface of the conductive film 11, and a second copper sheet strip 1102 is arranged below the first copper sheet strip 1101;

an electrode sheet 1103 is fixedly adhered to the lower surface of the first copper sheet bar 1101, a conductive sheet 1104 is fixedly adhered to the upper surface of the second copper sheet bar 1102, a positioner 1105 is embedded in the first copper sheet bar 1101, the positioner 1105 is electrically connected with the electrode sheet 1103, the first copper sheet bar 1101 and the second copper sheet bar 1102 are vertically and horizontally intersected, and the first copper sheet bar 1101 and the second copper sheet bar 1102 are vertically parallel;

through intersecting copper sheet strip 1101 and copper sheet strip 1102, because copper sheet strip 1101 and copper sheet strip 1102 all parallel arrangement have the multiunit, consequently can have a plurality of intersections, all install locator 1105 in the position of every intersection, copper sheet strip 1101 and copper sheet strip 1102 are mutually in line with longitude and latitude grid pattern, correspond longitude and latitude grid pattern through locator 1105 like this, the position of pressurized can make copper sheet strip 1101 contact with copper sheet strip 1102, the circuit signal of switch on locator 1105 after the contact, and then signal transmission can lighten the position that corresponds on the longitude and latitude grid pattern, can lighten the distribution condition of position, observe the condition of the pressure equality of pressure head and the condition of planarization, the more audio-visual demonstration of whole process.

Working principle: firstly, the upper pressure heads 7 are arranged in the upper clamping seat 6 in a clamping way, then a plurality of lower pressure heads 5 of the same batch are sequentially embedded and arranged in the lower clamping seat 4, the lower clamping seat 4 is arranged on the upper surface of the turntable 2, a rotating main shaft 21 is connected on the central line of the turntable 2, the lower end of the rotating main shaft 21 can be connected with a driving device, the rotating main shaft 21 is driven to rotate by the driving device, in the rotating process of the turntable 2, the plurality of lower pressure heads 5 can be sequentially sent to the lower parts of the upper pressure heads 7, the upper pressure heads 7 and the lower pressure heads 5 are matched one by one, a group of pressure heads are required to be abandoned, secondly, a group of lower pressure heads 5 are moved to the lower parts of the upper pressure heads 7, a film seat 10 is transversely arranged between the upper pressure heads 7 and the lower pressure heads 5, the upper clamping seat 6 is pressurized by one-stage lifting cylinder rod 8, the upper pressure head 7 presses the upper surface of the film holder 10 in the pressing process, the lower pressure head 5 presses the film holder 10 in cooperation with the upper pressure head 7 in the pressing process, then, in the pressing process, the probe 1003 contacts the probes 1003 on the upper surface and the lower surface of the film holder 10, the probes 1003 slightly protrude on the surface of the film holder 10, if the pressure head with good flatness contacts the surface of the film holder 10, the probes 1003 push the probes 1003 inwards, the probes 1003 push the pressure sensing part 1005 inwards, the pressure sensing part 1005 presses the first 1101 and the second 1102 copper strips after being pressed, so that the electrode strips 1103 and the conductive strips 1104 are mutually contacted, and then, the circuit signals of the locator 1105 are connected, the signals are collected and transmitted back to the operation display screen 1 by the PLC, and the real-time display observation is carried out by operating the built longitude and latitude grid pattern on the display screen 1, the point that copper sheet strip 1101 and copper sheet strip 1102 are crossed each other corresponds with a cross point on longitude and latitude grid chart, so that all the positions that receive the extrusion and produce locator 1105 circuit signal switch-on can make a corresponding cross point on longitude and latitude grid chart lighted, through the quantity that lights on longitude and latitude grid chart and the position that lights, can judge whether the pressurized of pressure head is balanced, and can judge whether this pressurized position is level through the signal brightness intensity of the position that lights, can know accurately that there is the condition of unevenness in a certain position on pressure head surface, the later stage is salvaged to be convenient for, so also reduced the abandonment rate of pressure head, finally, utilize second grade lift cylinder pole 9 to push down, the pressure increases, the pressure sensor signal processing component 301 and the sensitive component 303 that are located on the pressure detection seat 3 mutually support, utilize the sensitivity of radioactivity distribution sensitive component 303 to improve the detection, and then realize pressure detection.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a this pressure head multiple pressure sensor detection device which characterized in that includes:

the operation display screen (1), the back of operation display screen (1) movably installs carousel (2), and the central line of carousel (2) is provided with rotatory main shaft (21), the upper surface of carousel (2) is installed pressure detection seat (3), the surface mounting of pressure detection seat (3) has pressure sensor signal processing element (301), and the surface of pressure sensor signal processing element (301) is connected with radial lead (302), the surface of radial lead (302) is provided with sensing element (303);

a lower clamping seat (4) is arranged above the pressure detection seat (3), a lower pressure head (5) is embedded in the lower clamping seat (4), an upper clamping seat (6) is arranged above the lower clamping seat (4), and an upper pressure head (7) is embedded in the upper clamping seat (6);

be provided with film seat (10) between lower pressure head (5) and last pressure head (7), and the surface of film seat (10) with lower pressure head (5) is pressed close to, locating hole (1001) have been seted up on the surface of film seat (10), and flat piece pad (1002) are installed to the inside gomphosis of locating hole (1001), the upper surface fixed of flat piece pad (1002) is provided with probe (1003), install conducting film (11) in the middle of the inside of film seat (10), the surface of conducting film (11) is provided with copper sheet strip one (1101), and the below of copper sheet strip one (1101) sets up copper sheet strip two (1102).

2. The present pressure head multiple pressure sensor detection device according to claim 1, wherein:

the rotary table (2) is fixedly connected with the rotary main shaft (21), the pressure detection seats (3) and the lower clamping seats (4) are arranged in one-to-one correspondence, and the pressure detection seats (3) are distributed annularly relative to the central line of the rotary table (2).

3. The present pressure head multiple pressure sensor detection device according to claim 1, wherein:

the pressure sensor signal processing element (301) is electrically connected with the sensitive element (303) through the radiation wire (302), and the sensitive element (303) is annularly and radially distributed with respect to the central line of the pressure sensor signal processing element (301).

4. The present pressure head multiple pressure sensor detection device according to claim 1, wherein:

the two sides of the upper clamping seat (6) are provided with a first-stage lifting cylinder rod (8), and the upper side of the upper clamping seat (6) is provided with a second-stage lifting cylinder rod (9).

5. The present pressure head multiple pressure sensor detection device according to claim 1, wherein: the lower surface of flat piece pad (1002) is connected with supporting spring (1004), and pressure sensing piece (1005) is installed to the lower extreme of supporting spring (1004), flat piece pad (1002) evenly distributed is at the upper surface of film seat (10), and is integrated connection between flat piece pad (1002) and probe (1003).

6. The present pressure head multiple pressure sensor detection device according to claim 1, wherein:

the electrode plate (1103) is fixedly adhered to the lower surface of the first copper sheet strip (1101), the conductive plate (1104) is fixedly adhered to the upper surface of the second copper sheet strip (1102), the locator (1105) is embedded in the first copper sheet strip (1101), and the locator (1105) is electrically connected with the electrode plate (1103).

7. The present pressure head multiple pressure sensor detection apparatus as set forth in claim 6, wherein: the first copper sheet strip (1101) and the second copper sheet strip (1102) are arranged in a crisscross manner, and the first copper sheet strip (1101) and the second copper sheet strip (1102) are vertically parallel.