阅读说明：本技术 液晶玻璃基板研磨盘平坦度辅助检测装置及检测方法 (Auxiliary flatness detection device and detection method for liquid crystal glass substrate grinding disc ) 是由 程秀文 张小虎 于 2021-07-29 设计创作，主要内容包括：本发明公开了液晶玻璃基板研磨盘平坦度辅助检测装置及检测方法,涉及TFT-LCD玻璃深加工技术领域。在本发明中：平坦度辅助检测装置包括检测长条本体和外控盒,外控盒位于检测长条本体的一侧端,检测长条本体的另一端设置有端侧对径安装板,端侧对径安装板的外侧端面嵌入安装有对径传感条；检测长条本体的下侧面嵌入安装有边侧可见光定位器和若干依次排列的光电距离传感探头；检测长条本体的上侧面固定设置有一组吸附块,检测长条本体的上侧面嵌入安装有位于两个吸附块之间的水平检测机构。本发明实现了小体积化、无外置连接线式的研磨盘多位平坦度检测,避免了人力放置较重直规所产生的较大检测误差,提高了研磨盘的检测效率和检测精度。(The invention discloses an auxiliary detection device and method for the flatness of a liquid crystal glass substrate grinding disc, and relates to the technical field of TFT-LCD glass deep processing. In the present invention: the flatness auxiliary detection device comprises a detection strip body and an external control box, wherein the external control box is positioned at one side end of the detection strip body, the other end of the detection strip body is provided with an end-side diameter-aligning mounting plate, and a diameter-aligning sensing strip is embedded and mounted on the outer side end face of the end-side diameter-aligning mounting plate; the lower side surface of the detection strip body is embedded with an edge side visible light positioner and a plurality of photoelectric distance sensing probes which are sequentially arranged; the fixed a set of absorption piece that is provided with of the side of going up that detects rectangular body, the side embedding of going up that detects rectangular body is installed and is located two horizontal detection mechanism that adsorb between the piece. The invention realizes the multi-position flatness detection of the grinding disc with small volume and no external connecting wires, avoids larger detection errors caused by manually placing heavier straight gauges, and improves the detection efficiency and the detection precision of the grinding disc.)

1. Liquid crystal glazing base plate abrasive disc flatness assists detection device for last abrasive surface (15) of abrasive disc (1), lower abrasive surface (14) of abrasive disc (2) down are gone up in the detection, go up and install spindle rod (3) on abrasive disc (1), dispose the outer column of teeth (5) of lower wall drive column of teeth (4) that are located the middle part position and the lower wall that is located outward flange position on abrasive disc (2) down, its characterized in that:

the flatness auxiliary detection device comprises a long detection strip body (6) and an external control box (7), wherein the external control box (7) is positioned at one side end of the long detection strip body (6), the other end of the long detection strip body (6) is provided with an end-to-end diameter aligning mounting plate (18), and a diameter aligning sensing strip (19) is embedded and mounted on the outer side end face of the end-to-end diameter aligning mounting plate (18);

the lower side surface of the detection strip body (6) is embedded with an edge side visible light positioner (9) and a plurality of photoelectric distance sensing probes (17) which are sequentially arranged;

the fixed a set of absorption piece (10) that is provided with of side of going up that detects rectangular body (6), the side of going up that detects rectangular body (6) is embedded to install and is located two horizontal detection mechanism (11) that adsorb between piece (10), the side of going up that detects rectangular body (6) is provided with outer tooth piece (12) and internal tooth piece (13).

2. The device for auxiliary detection of the flatness of the grinding disc of the liquid crystal glass substrate according to claim 1, wherein:

a display screen (8) is configured on the external control box (7), a main control board is arranged in the external control box (7), the main control board is electrically connected with the side visible light positioner (9) and the adsorption block (10) through a control circuit, and the main control board is electrically connected with the horizontal detection mechanism (11), the photoelectric distance sensing probe (17) and the diameter-checking sensing strip (19) through a signal transmission line;

a wireless module is configured on the main control board of the external control box (7) and is used for controlling the acquisition of information and the uploading of sensing detection information;

the external control box (7) is provided with a switch key for the whole external control box (7), an electric control confirmation key for controlling the adsorption block (10) and a detection signal key for starting the detection of the detection flatness;

a charging power supply is arranged in the external control box (7) and provides electric energy for components of the external control box (7).

3. The device for auxiliary detection of the flatness of the grinding disc of the liquid crystal glass substrate according to claim 2, wherein:

a digital-to-analog conversion module is configured on a main control panel of the external control box (7), and a simulation shaft lever boundary line (802) processed by the digital-to-analog conversion module is displayed on the display screen (8).

4. The device for auxiliary detection of the flatness of the grinding disc of the liquid crystal glass substrate according to claim 1, wherein:

the simulation alignment scale (801) matched with the sensing detection section of the diameter-aligning sensing strip (19) is displayed on a display screen (8) of the external control box (7) in a simulation mode, and the central point of the simulation alignment scale (801) is a '0' datum point.

5. The device for auxiliary detection of the flatness of the grinding disc of the liquid crystal glass substrate according to claim 1, wherein:

and a plurality of photoelectric sensors are arranged on the diameter-aligning sensing strips (19) and used for sensing and detecting the shielding area of the main shaft rod (3).

6. The device for auxiliary detection of the flatness of the grinding disc of the liquid crystal glass substrate according to claim 1, wherein:

the adsorption block (10) on the upper side surface of the detection strip-shaped body (6) adopts an electric sucker or an electromagnetic adsorption mechanism.

7. The device for auxiliary detection of the flatness of the grinding disc of the liquid crystal glass substrate according to claim 1, wherein:

the outer tooth block (12) is located at the side end position of the long-strip detection body (6) close to the outer control box (7), and the inner tooth block (13) is located at the side end position of the long-strip detection body (6) close to the end side diameter aligning mounting plate (18).

8. The flatness auxiliary detection method of the liquid crystal glass substrate grinding disc is characterized in that the flatness auxiliary detection device of the liquid crystal glass substrate grinding disc of any one of claims 1 to 6 is adopted, and comprises the following contents:

(1) radial debugging for detecting strip-shaped body

A display screen (8) of an external control box (7) faces upwards, and a detection strip body (6) is inserted into the lower area of an upper grinding disc (1) until reference light emitted by a side visible light positioner (9) just irradiates the outer edge position of a lower grinding disc (2);

adjusting the detection strip body (6) back and forth, sensing the shielding area of the main shaft rod (3) by the diameter sensing strip (19), displaying the real-time alignment state of the main shaft rod (3) on the display screen (8) through the digital-to-analog conversion module, aligning two edge sides of the main shaft rod (3) relative to the '0' reference point, pressing an electric control confirmation key, and firmly adsorbing an adsorption block (10) of the detection strip body (6) on the upper grinding surface (15) of the upper grinding disc (1);

(2) detecting flatness of the lower abrasive surface

After the diameter alignment debugging of the detection strip body (6) is completed, a detection signal key on an external control box (7) is started, and a main control board drives a photoelectric distance sensing probe (17) to perform sensing detection on a lower grinding surface (14) of a lower grinding disc (2);

secondly, the main shaft rod (3) is started to rotate to drive the upper grinding disc (1) to rotate for a circle at a constant speed, the detection strip body (6) rotates for a circle synchronously, and the plurality of photoelectric distance sensing probes (17) perform surrounding detection on the lower grinding surface (14) of the lower grinding disc (2) below;

(3) detecting flatness of the upper abrasive surface

Firstly, after the flatness of a lower grinding surface (14) of a lower grinding disc (2) is detected, the adsorption of an adsorption block (10) is released, a detection strip body (6) is turned over 180 degrees, an outer tooth block (12) is clamped on a lower disc outer tooth column (5), and an inner tooth block (13) is clamped on a lower disc driving tooth column (4);

secondly, the main shaft rod (3) is started to rotate to drive the upper grinding disc (1) to rotate for a circle at a constant speed, the detection strip body (6) installed on the lower grinding disc (2) is static, and a photoelectric distance sensing probe (17) of the detection strip body (6) faces upwards to sense and detect the upper grinding surface (15) of the upper grinding disc (1).

9. The method for auxiliary detection of the flatness of the grinding disc of the liquid crystal glass substrate according to claim 8, wherein:

the main control board acquires distance information detected by a plurality of photoelectric distance sensing probes (17) in real time, the distance information detected by sensing is transmitted to a mobile phone or computer terminal equipment through a wireless module, and a mobile phone APP or computer software judges the flatness condition of an output grinding disc through analyzing the distance information.

10. The method for auxiliary detection of the flatness of the grinding disc of the liquid crystal glass substrate according to claim 8, wherein:

when the detection strip-shaped body (6) is arranged on the upper grinding disc (1) in an adsorption mode or the tooth mouth is arranged on the lower grinding disc (2), the horizontal state detection is carried out by the horizontal detection mechanism (11), when the horizontal detection mechanism (11) detects that the detection strip-shaped body (6) is not in the horizontal state, a non-horizontal placing signal is continuously output until the horizontal detection mechanism (11) detects that the detection strip-shaped body (6) is in the horizontal state and then is released.

Technical Field

The invention belongs to the technical field of TFT-LCD glass deep processing, and particularly relates to an auxiliary detection device and a detection method for the flatness of a liquid crystal glass substrate grinding disc.

Background

In the existing TFT-LCD glass processing process, the grinding disc is used as important processing equipment of a glass substrate, and the grinding effect and quality of the grinding disc can generate great influence on TFT-LCD glass products.

Before TFT-LCD glass is ground, the flatness detection of the grinding surface of a grinding disc is a precondition operation for ensuring the grinding quality, the existing heavy straight gauge is used for detection, but 3 persons are needed for cooperating when the disc is manually measured, time and labor are wasted, and the two ends of the straight gauge are unevenly stressed when the straight gauge is manually placed, so that the accuracy of measurement is influenced. In addition, when the flatness of the lower disc is measured, the accuracy of measurement by using a feeler gauge is not enough, when the flatness of the upper disc is measured, a straight gauge is heavy, the accuracy of measurement by using the feeler gauge is not enough, and the unevenness of the disc shape affects the grinding effect. This just needs to design a neotype flatness detection device, can realize detecting conveniently and detection effect is better.

Prior patent document one, publication No.: CN201497483U, patent name: a wafer grinds lower wall face roughness measuring device, main technical content: including chi base and the control portion of fixed connection on the chi base, and still install three roughness measuring apparatu that is used for measuring respectively to grind the outer edge of lower wall, inside and inward flange on this chi base at an interval ground in proper order, can know from this, because the utility model discloses install three roughness measuring apparatu on same chi base, then carry out once and measure the roughness that just can reflect this position, and need not like among the prior art, need measure the cubic respectively, just can acquire the plane precision of grinding the quotation down, then the utility model discloses grind the dish face roughness detection speed down greatly has improved, has improved wafer processing's speed effectively, still avoids the measuring error that the graduation measurement caused simultaneously, because the measuring error that misoperation caused even.

In the first patent document, the method is not well applicable to efficient and accurate detection of the flatness of the upper and lower grinding disks in the TFT-LCD glass grinding disk.

Disclosure of Invention

The invention aims to provide an auxiliary detection device and a detection method for the flatness of a liquid crystal glass substrate grinding disc, which realize multi-position flatness detection of the grinding disc with small volume and without external connecting wires, avoid larger detection errors caused by manually placing a heavier direct gauge, and improve the detection efficiency and the detection precision of the grinding disc.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an auxiliary flatness detection device for a liquid crystal glass substrate grinding disc, which is used for detecting an upper grinding surface of an upper grinding disc and a lower grinding surface of a lower grinding disc, wherein a spindle rod is installed on the upper grinding disc, and a lower disc driving tooth column positioned at the middle position and a lower disc outer tooth column positioned at the outer edge position are arranged on the lower grinding disc.

The flatness auxiliary detection device comprises a detection strip body and an external control box, wherein the external control box is positioned at one side end of the detection strip body, the other end of the detection strip body is provided with an end-side diameter-aligning mounting plate, and a diameter-aligning sensing strip is embedded and mounted on the outer side end face of the end-side diameter-aligning mounting plate; the lower side surface of the detection strip body is embedded with an edge side visible light positioner and a plurality of photoelectric distance sensing probes which are sequentially arranged; the fixed a set of absorption piece that is provided with of the side of going up that detects rectangular body, the side embedding of going up that detects rectangular body is installed and is located two horizontal detection mechanism that adsorb between the piece, and the side of going up that detects rectangular body is provided with outer tooth piece and interior tooth piece.

The invention relates to a preferable technical scheme of an auxiliary flatness detection device for a liquid crystal glass substrate grinding disc, which comprises the following steps: the outer control box is provided with a display screen, a main control board is arranged in the outer control box, the main control board is electrically connected with the side visible light positioner and the adsorption block through a control circuit, and the main control board is electrically connected with the horizontal detection mechanism, the photoelectric distance sensing probe and the diameter-checking sensing strip through signal transmission lines; a wireless module is configured on a main control board of the external control box and used for acquiring control information and uploading sensing detection information; the external control box is provided with a switch key for the whole external control box, an electric control confirmation key for controlling the adsorption block and a detection signal key for starting the detection of the detection flatness; the charging power supply is arranged in the external control box and provides electric energy for components of the external control box.

The invention relates to a preferable technical scheme of an auxiliary flatness detection device for a liquid crystal glass substrate grinding disc, which comprises the following steps: a digital-to-analog conversion module is configured on a main control panel of the external control box, and the boundary line of the analog shaft rod processed by the digital-to-analog conversion module is displayed on a display screen.

The invention relates to a preferable technical scheme of an auxiliary flatness detection device for a liquid crystal glass substrate grinding disc, which comprises the following steps: the simulation display of the display screen of the external control box is matched with the diameter sensor strip sensing detection section, and the center point of the simulation alignment scale is a '0' datum point.

The invention relates to a preferable technical scheme of an auxiliary flatness detection device for a liquid crystal glass substrate grinding disc, which comprises the following steps: and a plurality of photoelectric sensors are arranged on the diameter-aligning sensing strips and used for sensing and detecting the shielding area of the main shaft rod.

The invention relates to a preferable technical scheme of an auxiliary flatness detection device for a liquid crystal glass substrate grinding disc, which comprises the following steps: the adsorption block on the upper side surface of the detection strip body adopts an electric sucker or an electromagnetic adsorption mechanism.

The invention relates to a preferable technical scheme of an auxiliary flatness detection device for a liquid crystal glass substrate grinding disc, which comprises the following steps: the outer tooth piece is located and detects the side position that rectangular body is close to outer accuse box, and the inner tooth piece is located and detects the side position that rectangular body is close to the distolateral opposite diameter mounting panel.

The invention relates to an auxiliary detection method for the flatness of a liquid crystal glass substrate grinding disc, which comprises the following steps:

(1) radial debugging for detecting strip-shaped body

Inserting a detection strip body into the lower area of an upper grinding disc until reference light emitted by a side visible light positioner just irradiates the outer edge position of a lower grinding disc when a display screen of an external control box faces upwards; adjusting and detecting the long strip body back and forth, sensing and detecting the shielding area of the main shaft rod by the diameter sensing strip, displaying the real-time alignment state of the main shaft rod on a display screen through the digital-to-analog conversion module, aligning two edge sides of the main shaft rod about a '0' datum point, pressing an electric control confirmation key, and detecting that the adsorption block of the long strip body is firmly adsorbed on the upper grinding surface of the upper grinding disc.

(2) Detecting flatness of the lower abrasive surface

After the diameter alignment debugging of the detection strip body is completed, a detection signal key on an external control box is started, and a main control board drives a photoelectric distance sensing probe to perform sensing detection on the lower grinding surface of the lower grinding disc; and secondly, starting the main shaft rod to rotate to drive the upper grinding disc to rotate for a circle at a constant speed, synchronously rotating the detection strip body for a circle, and carrying out surrounding detection on the lower grinding surface of the lower grinding disc below by a plurality of photoelectric distance sensing probes.

(3) Detecting flatness of the upper abrasive surface

Firstly, after the flatness of the lower grinding surface of a lower grinding disc is detected, adsorption of an adsorption block is removed, a detection strip body is turned over for 180 degrees, an external tooth block is clamped on an external tooth column of the lower disc, and an internal tooth block is clamped on a driving tooth column of the lower disc; and secondly, starting the main shaft rod to rotate to drive the upper grinding disc to rotate for a circle at a constant speed, enabling the detection strip-shaped body arranged on the lower grinding disc to be static, and enabling the photoelectric distance sensing probe of the detection strip-shaped body to face upwards to perform sensing detection on the upper grinding surface of the upper grinding disc.

The invention discloses an auxiliary detection method for the flatness of a liquid crystal glass substrate grinding disc, which comprises the following steps: the main control board acquires distance information detected by the photoelectric distance sensing probes in real time, the distance information detected by sensing is transmitted to a mobile phone or computer terminal equipment through a wireless module, and the flatness condition of the output grinding disc is judged by analyzing the distance information through mobile phone APP or computer software.

The invention discloses an auxiliary detection method for the flatness of a liquid crystal glass substrate grinding disc, which comprises the following steps: detect rectangular body adsorption equipment on last abrasive disc or tooth mouth installation under when the abrasive disc, level detection mechanism carries out the horizontality and detects, when level detection mechanism detects that it is not in the horizontality to detect rectangular body, continuously outputs not the level and places the signal, removes until level detection mechanism detects that it is in after the horizontality to detect rectangular body.

The invention has the following beneficial effects:

1. according to the invention, by designing the novel auxiliary detection device for the flatness of the grinding disc, the multi-position flatness detection of the grinding disc with small volume and no external connecting wire is realized, and a large detection error caused by manually placing a heavy straight gauge is avoided;

2. the flatness auxiliary detection device is arranged through adsorption positioning or tooth opening installation matching, and the flatness of the grinding disc on the opposite side is reversely subjected to surrounding detection, so that the detection efficiency and the detection precision of the grinding disc are improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a lower polishing surface of an auxiliary flatness detection device for a polishing disk according to the present invention;

FIG. 2 is a schematic diagram of an analog alignment in a display screen according to the present invention;

FIG. 3 is a schematic view of the auxiliary flatness detecting device for the polishing disc of the present invention during the detection of the upper polishing surface;

FIG. 4 is a schematic structural view of an auxiliary detecting device for flatness of a polishing disc according to the present invention;

FIG. 5 is a schematic view of the bottom side view of FIG. 4;

FIG. 6 is a schematic view of the auxiliary detecting device for flatness of the polishing pad according to the present invention;

FIG. 7 is a schematic view of a control panel of the external control box according to the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-grinding disc; 2-lower grinding disc; 3-a main shaft rod; 4-lower disc drive tooth column; 5-lower disc outer tooth column; 6-detecting the strip body; 7-an external control box; 8-a display screen; 9-side visible light positioner; 10-an adsorption block; 11-a level detection mechanism; 12-an outer tooth block; 13-inner tooth block; 14-lower abrasive side; 15-grinding surface; 16-a grinding zone; 17-an opto-electronic distance sensing probe; an 18-end-to-end diametric mounting plate; 19-diameter sensor bars; 801-simulation alignment scale; 802-simulated shaft boundary line.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1 and 7, the auxiliary polishing-disc flatness detecting device according to the present invention detects the flatness of the lower polishing surface 14 of the lower polishing disc 2. The side visible light positioner 9 emits visible light downwards, the adsorption block 10 is adsorbed on the upper grinding surface 15 of the upper grinding disc 1, and if the horizontal detection mechanism 11 detects that the detection strip body 6 in the current state is in the horizontal state, the flatness detection of the lower grinding surface 14 of the lower grinding disc 2 can be continued. The detection signal key needs to be manually started, the plurality of photoelectric distance sensing probes 17 start distance sensing detection, the upper grinding disc 1 starts to rotate at a constant speed, the rotation is finished after 360 degrees of rotation, the plurality of photoelectric distance sensing probes 17 transmit detected distance information to the main control board, and the main control board transmits the information to a mobile phone or a computer device through a wireless module.

Example two

Fig. 2 is a schematic diagram of the simulation of the display screen 8 according to the present invention. The display 8 shows the simulated alignment scale 801 and the simulated spindle boundary 802. in conjunction with fig. 1, the simulated spindle boundary 802 changes simultaneously during the adjustment of the elongated body 6. When the two simulated shaft rod boundary lines 802 on both sides are symmetrical with respect to the "0" reference point, it is explained that the axis line of the long body 6 rotating against the main shaft rod 3 is detected. The flatness of the abrasive surface of the abrasive region 16 can be sensed well.

EXAMPLE III

Referring to fig. 1 and 3, the long detection strip body 6 is turned over, the outer toothed block 12 is clamped on the outer toothed column 5 of the lower disc, the inner toothed block 13 is clamped on the drive toothed column 4 of the lower disc, the upper grinding disc 1 starts to rotate at a constant speed for a circle, and the upward detection photoelectric distance sensing probe 17 performs all-dimensional flatness detection on the upper grinding surface 15 of the upper grinding disc 1.

Example four

As shown in fig. 4, 5 and 6, the photoelectric distance sensing probes 17 are uniformly and tightly arranged on the lower side surface of the long detecting strip body 6, the diameter-aligning sensing strip 19 is embedded in the end-side diameter-aligning mounting plate 18, and the diameter-aligning sensing strip 19 is composed of a plurality of closely arranged sensing probes. The upper side surface of the detection strip body 6 is also embedded with a horizontal detection mechanism 11 and at least two adsorption blocks 10, and the adsorption blocks 10 can be electric chucks or electromagnetic adsorption blocks.

EXAMPLE five

As shown in fig. 4 and 7, a charging port is provided on an outer end surface of the external control box 7 to charge an internal charging power supply. The outside terminal surface of external control box 7 is provided with the electric quantity lamp, when the electric quantity of inside charging source is lower, carries out the suggestion that the power electric quantity is low.

The outer side end face of the outer control box 7 is provided with a switch key to control the on-off of the whole outer control box 7. The outer side end face of the external control box 7 is provided with an electric control confirmation key for controlling the adsorption block 10. The outer end face of the external control box 7 is provided with a detection signal key for starting detection of flatness.

EXAMPLE six

In the invention, the detection strip body 6, the external control box 7 and other structures can be made of plastics, so that the weight of the whole device can be greatly reduced, and the operations of installation, overturning and the like of the detection device can be conveniently completed by one person.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.