CN114212986B

CN114212986B - TFT glass cutting device and process for display

Info

Publication number: CN114212986B
Application number: CN202111429269.8A
Authority: CN
Inventors: 夏宁; 陈诚; 樊黎虎; 许波; 罗丹; 李若尘; 王鹏; 邵帅
Original assignee: Bengbu Huayi Branch Of Kaisheng Technology Co ltd
Current assignee: Bengbu Huayi Branch Of Kaisheng Technology Co ltd
Priority date: 2021-11-28
Filing date: 2021-11-28
Publication date: 2023-08-01
Anticipated expiration: 2041-11-28
Also published as: CN114212986A

Abstract

The invention provides a TFT glass cutting device and a process for display, comprising a track rod, a cutter and a mounting table for fixing a glass substrate, wherein the cutter is fixedly connected with a cleaning box, the cleaning box is fixedly connected with a placing plate, a plurality of adhesive tapes for adhering glass powder and a fixing device for fixing one end of the adhesive tapes are arranged in the placing plate at intervals, a combustion chamber and a gasoline chamber are arranged in the cleaning box, an igniter is arranged in the combustion chamber, a cooling chamber is arranged at one end, close to the cutter, of the cleaning box, and a sponge block in contact with the cutter is arranged in the cooling chamber. In the using process of the invention, the electric fan blows up the glass powder, the adhesive tape sticks the suspended glass powder in the process of the placing plate moving along with the cutter, the adhesive tape stuck with the glass powder is burnt at intervals, the high-temperature gas generated by burning evaporates the moisture in the sea surface block and takes away, and the temperature of the cutter is reduced in the process of evaporating the moisture.

Description

TFT glass cutting device and process for display

Technical Field

The invention relates to the technical field of glass cutting, in particular to a TFT glass cutting device and a TFT glass cutting process for display.

Background

TFT is the abbreviation of thin film transistor, TFT type display screen is the mainstream display device on all kinds of notebook computers and desktop computers, every liquid crystal pixel on this type of display screen is all driven by the thin film transistor integrated behind the pixel, therefore TFT type display screen is also a kind of active matrix liquid crystal display device, is one of the best LCD color display, TFT type display has advantages such as high responsivity, high luminance, high contrast, its display effect is close to CRT type display, because of the in-process of using needs to cooperate with the screen of different sizes, therefore TFT glass cutting device's research and development is the problem that this field needs to be solved too.

The TFT cutting and separating device provided by the publication No. CN112551880A comprises a cooling quenching device, a heating radiation device and a cutting and separating quality detection module, wherein the temperature of a glass substrate at a cutting and scribing position is quickly raised through the heating radiation device, and the glass substrate at the cutting and scribing position is quickly cooled through the cooling quenching device, so that stress change is generated at the scribing position of the cut glass, glass breakage occurs along the scribing direction, and the effect that the cut glass can be broken along the scribing position is achieved. The glass cutting device is not separated in a hard breaking way, and the separation process starts to break by stress change from the inside of the glass body, so that mechanical broken and cracked glass scraps cannot be generated at the moment of separation, the glass cutting device has a good prevention effect on equipment pollution and product pollution in a clean environment, can be widely applied to glass cutting thermal separation after scribing with different thickness and length, does not need high-precision equipment to align to scribing positions, and is convenient to be compatible with the position change of scribing with different approximate sizes.

The above device still has the following problems in the implementation:

TFT glass can produce glass powder at the in-process of cutting, if untimely clear up glass powder, at the in-process of follow-up cutting, glass powder can cause the mar to glass substrate surface, greatly reduced product's qualification rate.

Disclosure of Invention

The invention aims to provide a TFT glass cutting device and a TFT glass cutting process for display, which are used for solving the problems in the background technology.

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

the TFT glass cutting device for the display comprises a track rod, a cutter and a mounting table for fixing a glass substrate, wherein the cutter is fixedly connected with a cleaning box which is fixedly connected with a placing plate;

the inside of the placing plate is provided with a placing groove, a plurality of adhesive tapes used for adhering glass powder are arranged in the placing groove at intervals, an inclined cavity is formed in one end, close to the cleaning box, of the placing plate, a fixing device used for fixing one end of the adhesive tape is arranged in the inclined cavity, and the other end of the adhesive tape is adhered to the inner wall of the placing groove;

the cleaning box is characterized in that a combustion cavity and a gasoline cavity are formed in the cleaning box, the combustion cavity is communicated with the gasoline cavity through an oil duct, an igniter is arranged in the combustion cavity, a telescopic rod controlled by a delay relay is arranged in the combustion cavity, the telescopic rod penetrates through a channel to pull the adhesive tapes into the combustion cavity one by one, and a pushing device for pushing gasoline to the surface of the adhesive tapes is arranged in the gasoline cavity.

Preferably, the cleaning box is close to one end of the cutter and is provided with a cooling cavity communicated with the outside, the cooling cavity is communicated with the combustion cavity through an air passage, a sponge block contacted with the cutter is arranged in the cooling cavity, and the sponge block is wetted by a water tank arranged outside.

Preferably, a mounting groove is formed in one side, close to the glass substrate, of the cleaning box, and an electric fan for blowing glass powder is arranged in the mounting groove.

Preferably, the fixing device comprises a plurality of fixing blocks movably arranged in the inclined cavity, the fixing blocks are fixedly connected with one end of the adhesive tape, clamping grooves are formed in the fixing blocks, and magnetic blocks and thermal expansion blocks are arranged in the clamping grooves.

Preferably, the telescopic link is inside to be offered the buckle chamber, buckle intracavity portion sets up the activity and stretches into the inside magnetic pole of just being connected with the magnetic path magnetism of draw-in groove, fixedly connected with first elastic block between magnetic pole and the buckle intracavity wall.

Preferably, the pushing device comprises an electric push rod fixedly arranged in the gasoline cavity, a push plate is fixedly connected to one side of the electric push rod, which is close to the combustion cavity, a switch in movable contact with the push plate is fixedly arranged in the gasoline cavity, the switch is electrically connected with an igniter, and the push plate and the switch are matched to control the igniter.

Preferably, the cleaning box is internally provided with a baffle cavity communicated with the inside of the combustion cavity, the baffle cavity is internally provided with a blocking device capable of movably blocking the channel, the blocking device comprises a baffle plate which movably stretches into the inside of the channel, the baffle plate and the inner wall of the baffle cavity are fixedly connected with a second elastic block, the inside of the baffle cavity is provided with an air bag which is movably contacted with the baffle plate, the air bag is communicated with the combustion cavity through a pipeline, and a one-way valve is arranged in the pipeline.

Preferably, the cleaning box is internally provided with a gas blocking cavity, the gas blocking cavity is internally provided with a gas blocking plate which movably blocks the air passage, the gas blocking plate is fixedly connected with a third elastic block with the inner wall of the gas blocking cavity, and the gas blocking plate is fixedly connected with the baffle through a pull rope.

Preferably, an atomizer is arranged in the oil duct.

A TFT glass cutting process for display is used for the TFT glass cutting device for display, and comprises the following steps:

A. blowing up glass powder by an electric fan, and sticking the blown glass powder by a sticky tape in the placing groove in the process of the placing plate moving along with the cutter so as to clean the glass powder;

B. the adhesive tapes adhered with the glass powder are pulled into the combustion chamber one by one through the telescopic rod, so that the adhesive tapes in the placing groove are exposed one by one, and the adhesive effect of the adhesive tapes on the glass powder is ensured;

C. the adhesive tape with the glass powder entering the combustion cavity is combusted, the water on the sponge block is evaporated by high-temperature gas generated during combustion, and the cutter is cooled by utilizing evaporation heat absorption.

Compared with the prior art, the invention has the beneficial effects that:

1. when the cutter cuts the glass substrate, the generated glass powder is blown up by the electric fan, so that the glass powder is in a suspended state, and in the process that the placing plate moves along with the cutter, the suspended glass powder is stuck by the adhesive tape in the placing groove, so that the probability of scratching the glass substrate by the glass powder is reduced;

2. under the control of the time delay relay, every other end time, the telescopic rod extends into the fixed block, at the moment, the magnetic rod extends into the clamping groove under the action of magnetic force of the magnetic block, at the moment, the telescopic rod retracts, and the adhesive tape adhered with glass powder is pulled into the combustion chamber, so that the clean adhesive tape at the back leaks out, and the subsequent adhesive tape is convenient to adhere the glass powder better;

3. after the adhesive tape adhered with the glass powder enters the combustion chamber, the electric push rod drives the push plate to spray gasoline in the gasoline cavity onto the surface of the adhesive tape, and simultaneously drives the igniter to ignite, so that the adhesive tape adhered with the glass powder is combusted;

4. when in combustion, high-temperature high-pressure gas is generated in the combustion cavity, the gas enters the inside of the baffle cavity to drive the baffle to block the channel, so that ashes in combustion are prevented from falling into the inclined cavity, and meanwhile, the baffle extrudes the air bag to convey oxygen into the combustion cavity, so that the content of oxygen in the combustion cavity is ensured, and the combustion in the combustion cavity is more sufficient;

5. the baffle blocks the passageway and withdraws from the air flue through stay cord drive gas baffle, and the inside high temperature gas of combustion chamber enters into the cooling chamber inside this moment, takes away the inside moisture evaporation of sponge piece, has realized the cooling to the cutter when moisture is taken away by the evaporation, prevents to receive the influence deformation of high temperature at long-time cutting in-process cutter.

In the process of using the cutter, an operator opens the time delay relay and the electric fan, the electric fan blows glass powder generated during cutting, the placing plate is placed on the surface of the glass powder-adhered adhesive tape in the placing groove in the process of following the movement of the cutter, the hanging glass powder is adhered to the adhesive tape in the placing groove, the telescopic rod stretches into the fixing block every other end time under the control of the time delay relay, at the moment, under the action of magnetic force of the magnetic block, the magnetic rod stretches into the clamping groove, at the moment, the adhesive tape adhered with the glass powder is pulled into the combustion cavity while the telescopic rod retracts, at the moment, the full-communication adhesive tape leaks out, the subsequent work of adhering the glass powder is performed, at the same time, the gasoline in the gasoline cavity is sprayed onto the surface of the glass powder-adhered adhesive tape under the action of the pushing device, the igniter ignites at the same time, the adhesive tape is burnt, the high-temperature high-pressure gas generated by burning drives the baffle to block a channel, at the same time, the baffle extrudes oxygen into the combustion cavity, the oxygen content in the combustion cavity is ensured, the combustion is more sufficient, the baffle blocks the channel, at the same time, the air blocking channel is stopped, the high-temperature gas is driven, the high-temperature gas enters the air channel, the inside the cooling cavity, and the foam is cooled down in the cutter, and the moisture is cooled down, and the cutter is cooled, and the moisture is simultaneously, and is prevented from being deformed when being cut.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the cleaning tank of the present invention;

FIG. 4 is an enlarged schematic view of the structure of the area A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the internal structure of the telescopic rod of the present invention;

FIG. 6 is a schematic view of the internal structure of the fixing block of the present invention;

fig. 7 is a perspective view showing the overall structure of the fixing block of the present invention.

In the figure: the device comprises a track rod, a cutter, a glass substrate 3, a mounting table 4, a cleaning box 5, a placing plate 6, a placing groove 7, an adhesive tape 8, an inclined cavity 9, a combustion cavity 10, an oil cavity 11, an oil duct 12, an igniter 13, a time delay relay 14, a telescopic rod 15, a channel 16, a cooling cavity 17, an air duct 18, a sponge block 19, a water tank 20, a mounting groove 21, an electric fan 22, a fixed block 23, a clamping groove 24, a magnetic block 25, a thermal expansion block 26, a clamping cavity 27, a magnetic rod 28, a first elastic block 29, an electric push rod 30, a push plate 31, a switch 32, a baffle cavity 33, a baffle 34, a second elastic block 35, an air bag 36, a pipeline 37, a one-way valve 38, an air blocking cavity 39, an air blocking plate 40, a third elastic block 41, a pull rope 42 and an atomizer 43.

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.

Referring to fig. 1-7, the present invention provides a technical solution:

the TFT glass cutting device for display and the process thereof comprise a track rod 1, a cutter 2 and a mounting table 4 for fixing a glass substrate 3, wherein the cutter 2 is driven by a driving device along the track rod 1, the driving device can be an electric rod controlled by a computer, the mounting table 4 is controlled by the computer to move back and forth, the cutter 2 is controlled by the driving device to move left and right so as to realize transverse cutting and vertical cutting, the cutter 2 is fixedly connected with a cleaning box 5, the cleaning box 5 is fixedly connected with a placing plate 6, and the placing plate 6 is fixed on the lower side of the cleaning box 5;

embodiment one:

in the embodiment, glass powder generated during cutting is fixed through a sticky tape, a placing groove 7 is formed in the placing plate 6, the placing groove 7 is an open groove, the opening direction of the placing groove 7 faces towards the cutter 2, a plurality of sticky tapes 8 used for sticking the glass powder are arranged in the placing groove 7 at intervals, one end of the placing plate 6 close to the cleaning box 5 is provided with an inclined cavity 9, a fixing device used for fixing one end of the sticky tape 8 is arranged in the inclined cavity 9, the other end of the sticky tape 8 is stuck on the inner wall of the placing groove 7, the upper end of the sticky tape 8 is fixed through the fixing device, the lower end of the sticky tape 8 is connected with the side wall of the placing groove 7 through the self-adhesion, when a tensile force is applied to one end of the fixing device, the lower end of the sticky tape 8 can be pulled to be separated from the inner wall of the placing groove 7 at the moment, the glass powder is in a splash state during cutting, and the cutter 2 drives the placing plate 6 to move, and the sticky tape 8 is contacted with glass powder in the air to stick the glass powder;

considering that the adhesive tape 8 is discharged at intervals, the adhesive tape 8 closest to the opening of the placing groove 7 is firstly stuck with glass powder, if the glass powder completely covers the sticky part of the adhesive tape 8, the adhesive tape 8 loses the fixing effect on the glass powder at the moment, in the embodiment, the adhesive tape 8 closest to the opening of the placing groove 7 is evacuated for incineration at intervals, so that the adhesive tape 8 behind is completely exposed, at the moment, the adhesive tape 8 behind continues to fix the glass powder, the cleaning box 5 is internally provided with the combustion chamber 10 and the gasoline chamber 11, the combustion chamber 10 and the gasoline chamber 11 are communicated through the oil duct 12, the combustion chamber 10 is internally provided with the igniter 13, the combustion chamber 10 is internally provided with the telescopic rod 15 controlled by the delay relay 14, the telescopic rod 15 is controlled by an external power supply, and is electrically connected with the delay relay 14, the telescopic rod 15 is sequentially powered by the telescopic rod 15 at intervals of one minute, the telescopic rod 15 stretches out and retracts, the adhesive tape 8 is pulled into the combustion chamber 10 one by one through the channel 16, the gasoline chamber 11 is internally provided with the adhesive tape 8 to be pushed into the gasoline chamber 10, and the gasoline chamber is not pushed into the gasoline chamber when the gasoline chamber is not pushed into the gasoline chamber, and the gasoline chamber is not pushed into the combustion device.

Embodiment two:

considering the long-time cutting, the cutter 2 can produce certain heat, therefore produces certain deformation, finally can lead to the accuracy of cutting to be influenced, the cleaning box 5 is close to the cooling chamber 17 of cutter 2 one end offered with outside intercommunication, cooling chamber 17 is the open mouth, the opening direction of cooling chamber 17 is towards cutter 2 simultaneously, and communicate through air flue 18 between cooling chamber 17 and the burning chamber 10, cooling chamber 17 inside is provided with the sponge piece 19 with cutter 2 contact, sponge piece 19 is moistened by setting up at outside water tank 20, the inside water of water tank 20 drips on the sponge piece 19, through the contact of sponge piece 19 and cutter 2, thereby take away the heat on the cutter 2, and then the cooling cutter 2.

Embodiment III:

on the basis of the first embodiment, considering that the glass powder splashes during cutting for a very short time, the glass powder only lasts for a very short time in the air and then falls on the glass substrate 3 under the action of gravity, the adhesive tape 8 in the placing groove 7 cannot adhere to the glass powder, in the embodiment, the glass powder is blown up by the electric fan 22 to enable the glass powder to be suspended in the air, the placing plate 6 can adhere to the glass powder well when driving the adhesive tape 8 to move, the cleaning box 5 is provided with the mounting groove 21 on one side, close to the glass substrate 3, of the cleaning box 21, the electric fan 22 for blowing up the glass powder is arranged in the mounting groove 21, the mounting groove 21 faces the glass substrate 3, and the wind power of the electric fan 22 is not easy to be too large, so that the glass powder can fly up.

Embodiment four:

on the basis of the first embodiment, the fixing device structure in the first embodiment is disclosed, the fixing device comprises a plurality of fixing blocks 23 movably arranged in the inclined cavity 9, the inclined direction of the inclined cavity 9 faces the opening direction of the placing groove 7, when the fixing block 23 closest to the placing groove 7 is pulled away by the subsequent telescopic rod 15, the second fixing block 23 slides to the original position of the first fixing block 23 along a slope at this time, the next pulling of the telescopic rod 15 is facilitated, one end of the fixing block 23 is fixedly connected with one end of the adhesive tape 8, a clamping groove 24 is formed in the fixing block 23, a magnetic block 25 and a thermal expansion block 26 are arranged in the clamping groove 24, the thermal expansion block 26 can be made into a solid rod by materials with high thermal expansion coefficients, and the thermal expansion block 26 is movably contacted with the magnetic rod 28.

The inside buckle chamber 27 of having offered of telescopic link 15, buckle chamber 27 inside sets up the activity stretches into inside draw-in groove 24 and with the magnetism pole 28 of magnetic path 25 magnetic connection, magnetic force between magnetic pole 28 and the magnetic path 25 is the appeal, when magnetic pole 28 stretches into inside fixed block 23, at this moment under the effect of magnetic path 25, magnetic pole 28 stretches into inside draw-in groove 24, telescopic link 15 just blocks fixed block 23 this moment, when telescopic link 15 withdraws, drive fixed block 23 pulling sticky tape 8, draw sticky tape 8 into combustion chamber 10 inside, at the in-process of burning to sticky tape 8 follow-up, thermal expansion piece 26 is heated to expand, push out draw-in groove 24 with magnetic pole 28, fixed block 23 falls under the effect of gravity this moment, because of the combustion chamber 10 bottom is the slope form, the fixed block 23 that drops to the combustion chamber 10 bottom this moment slides to one side of combustion chamber 10, can not block the operation of the required structure afterwards, fixedly connected with first elastic block 29 between magnetic pole 28 and the inner wall of buckle chamber 27.

Fifth embodiment:

the pushing device comprises an electric push rod 30 fixedly arranged in the gasoline cavity 11, the electric push rod 30 is powered by an external power supply and can be controlled by an operator by self, a relay can also be arranged for controlling, so that the electric push rod 30 runs once every minute, one-time operation is performed as a telescopic motion, meanwhile, gasoline in the gasoline cavity 11 is supplied by an external gasoline tank, after the gasoline in the gasoline cavity 11 is completely pushed out when the pushing device runs once, the gasoline in the gasoline tank also enters the gasoline cavity 11 in the retracting process of the electric push rod 30, preparation is made for the next pushing operation, a push plate 31 is fixedly connected to one side of the electric push rod 30 close to the combustion cavity 10, the push plate 31 and the inner wall of the gasoline cavity 11 form a closed space, a switch 32 in movable contact with the push plate 31 is fixedly arranged in the gasoline cavity 11, the switch 32 is electrically connected with an igniter 13, the push plate 31 and the switch 32 are matched for controlling the igniter 13, the switch 32 is electrically connected with the igniter 13 through wires, when the push plate 31 presses the switch 32, the igniter 13 starts to work at the moment, the gasoline in the combustion cavity 10 is ignited, and the push plate 31 completely pushes the gasoline in the gasoline cavity 11 out, and the switch 31 is contacted with the switch 32 when the push plate 31 completely pushes the gasoline in the gasoline cavity 11.

Example six:

considering that when the adhesive tape 8 is burned in the combustion chamber 10, certain residues are generated, if the residues fall into the inclined chamber 9, the follow-up telescopic rod 15 is influenced to pull the fixed block 23, the baffle plate chamber 33 communicated with the combustion chamber 10 is arranged in the cleaning box 5, when the combustion chamber 10 burns, high-temperature and high-pressure gas is generated, the gas enters the baffle plate chamber 33, the baffle plate 34 is driven to block the channel 16, the baffle plate chamber 33 is internally provided with a blocking device for movably blocking the channel 16, the blocking device comprises the baffle plate 34 which movably stretches into the channel 16, the baffle plate 34 in an initial state does not block the channel 16, the baffle plate 34 is a T-shaped plate, and a closed space is formed by the baffle plate 34 and the inner wall of the baffle plate chamber 33, baffle 34 and baffle cavity 33 inner wall fixedly connected with second elastic block 35, the setting of second elastic block 35 provides the condition for the reset of follow-up structure, baffle cavity 33 inside is provided with the gasbag 36 with baffle 34 movable contact, the inside oxygen that has been deposited of gasbag 36, communicate through pipeline 37 between gasbag 36 and the burning chamber 10, pipeline 37 inside is provided with check valve 38, check valve 38 has guaranteed that gas can only enter into the burning chamber 10 inside from gasbag 36, when baffle 34 seals the in-process of passageway 16, can extrude gasbag 36, extrude the inside oxygen of gasbag 36 to the burning chamber 10 inside, guarantee the inside oxygen content of burning chamber 10, make the sticky tape 8 can burn more fully in the burning chamber 10 inside.

Embodiment seven:

considering that when the combustion chamber 10 just begins to burn, the gas temperature inside the combustion chamber is not very high, the gas enters the cooling chamber 17 at the moment, it is difficult to quickly evaporate water on the sponge block 19, the arrangement of the gas baffle 40 in the embodiment ensures that when the baffle 34 extrudes oxygen inside the air bag 36 into the combustion chamber 10, the combustion inside the combustion chamber 10 is most intense at the moment, the gas temperature inside the combustion chamber 10 is higher at the moment, the air passage 18 is opened at the moment, the high-temperature gas enters the cooling chamber 17 at the moment, the water inside the sponge block 19 can be better evaporated, thereby the evaporation and heat absorption are utilized, the cutting knife 2 is cooled, the gas baffle 39 is arranged inside the cleaning box 5, the gas baffle 40 movably baffle 18 is arranged inside the gas baffle 39, the gas baffle 18 is blocked when the gas baffle 40 is not subjected to external force, the gas baffle 40 and the inner wall of the gas baffle 39 are fixedly connected with a third elastic block 41 at the moment, the gas baffle 40 and the baffle 34 are fixedly connected through a pull rope 42, the initial state of the gas baffle 42 is in a bending state, when the baffle 34 extrudes the air bag 36, the gas baffle 42 is blocked by the straight and the pull rope 42 is pulled by the pull rope 34, and the gas baffle 40 is completely pulled by the pull rope 16 when the baffle 34 and the gas baffle 34 is completely pulled by the pull rope 16.

Preferably, the atomizer 43 is arranged in the oil duct 12, and the atomizer 43 is arranged, so that when the pushing device pushes the gasoline in the gasoline cavity 11 to the inside of the combustion cavity 10, the gasoline is in a mist state, and the adhesive tape 8 can be better covered.

A. the electric fan 22 blows up the glass powder, and the adhesive tape 8 in the placing groove 7 sticks up the blown glass powder in the process that the placing plate 6 moves along with the cutter 2, so that the glass powder is cleaned;

B. the adhesive tapes 8 adhered with the glass powder are pulled into the combustion chamber 10 one by one through the telescopic rod 15, so that the adhesive tapes 8 in the placing groove 7 are exposed one by one, and the adhesive effect of the adhesive tapes 8 on the glass powder is ensured;

C. the adhesive tape 8 with the glass powder entering the combustion chamber 10 is burnt, the high-temperature gas generated during combustion evaporates the water on the sponge block 19, and the cutter 2 is cooled by utilizing the evaporation heat absorption.

Working principle: before cutting, an operator opens the delay relay 14 and the electric fan 22, the electric fan 22 blows up glass powder generated during cutting in the cutting process, the placing plate 6 moves along with the cutter 2, the adhesive tape 8 in the placing groove 7 also moves along with the cutter 2, and the blown glass powder is adhered by the adhesive tape 8 in the process, so that the glass substrate 3 is effectively placed to be scratched by the glass powder;

under the control of the time delay relay 14, the telescopic rod 15 stretches into the fixed block 23 at intervals, the magnetic rod 28 stretches into the clamping groove 24 to clamp the fixed block 23 under the action of magnetic force of the magnetic block 25, at the moment, in the retracting process of the telescopic rod 15, the adhesive tape 8 adhered with glass powder is pulled into the combustion chamber 10, at the moment, the brand new adhesive tape 8 leaks out, and the subsequent work of adhering the glass powder is performed;

when the adhesive tape 8 with the glass powder is put into the combustion chamber 10, the electric push rod 30 is opened, the electric push rod 30 drives the push plate 31 to spray the gasoline in the gasoline chamber 11 onto the surface of the adhesive tape 8, and meanwhile, the push plate 31 presses the switch 32 to open the igniter 13, so that the adhesive tape 8 with the gasoline is combusted;

during combustion, high-temperature high-pressure gas is generated in the combustion chamber 10, the gas enters the baffle chamber 33, the baffle 34 is driven to block the channel 16, ash for placing combustion enters the inclined chamber 9, the baffle 34 presses the air bag 36 while blocking the channel 16, and air in the air bag 36 is pressed into the combustion chamber 10, so that the oxygen content in the combustion chamber 10 is ensured, and the combustion is more sufficient;

in the process of blocking the channel 16 by the baffle 34, the air blocking plate 40 is driven by the pull rope 42 to exit the air channel 18, and at this time, high-temperature gas in the combustion chamber 10 enters the cooling chamber 17, so that moisture in the sponge block 19 is evaporated and taken away, the temperature of the cutter 2 is reduced in the process of evaporating the moisture, and the cutter 2 is prevented from being deformed by heating in the process of long-time cutting.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a TFT glass cutting device for display, includes track pole (1), cutter (2) and is used for fixed glass substrate (3) mount table (4), its characterized in that: the cutter (2) is fixedly connected with a cleaning box (5), and the cleaning box (5) is fixedly connected with a placing plate (6);

a placing groove (7) is formed in the placing plate (6), a plurality of adhesive tapes (8) used for adhering glass powder are arranged in the placing groove (7) at intervals, an inclined cavity (9) is formed in one end, close to the cleaning box (5), of the placing plate (6), a fixing device used for fixing one end of the adhesive tapes (8) is arranged in the inclined cavity (9), and the other end of the adhesive tapes (8) is adhered to the inner wall of the placing groove (7);

the cleaning box is characterized in that a combustion chamber (10) and a gasoline chamber (11) are formed in the cleaning box (5), the combustion chamber (10) is communicated with the gasoline chamber (11) through an oil duct (12), an igniter (13) is arranged in the combustion chamber (10), a telescopic rod (15) controlled by a delay relay (14) is arranged in the combustion chamber (10), the telescopic rod (15) penetrates through a channel (16) to pull the adhesive tapes (8) into the combustion chamber (10) one by one, and a pushing device for pushing gasoline to the surfaces of the adhesive tapes (8) is arranged in the gasoline chamber (11);

a cooling cavity (17) communicated with the outside is formed in one end, close to the cutter (2), of the cleaning box (5), the cooling cavity (17) is communicated with the combustion cavity (10) through an air passage (18), a sponge block (19) in contact with the cutter (2) is arranged in the cooling cavity (17), and the sponge block (19) is wetted by a water tank (20) arranged outside;

baffle cavity (33) with the inside intercommunication of burning chamber (10) have been seted up to clean case (5), baffle cavity (33) inside is provided with the activity and blocks the blocking device of passageway (16), blocking device is including the activity baffle (34) that stretches into passageway (16) inside, baffle (34) and baffle cavity (33) inner wall fixedly connected with second elastic block (35), baffle cavity (33) inside be provided with baffle (34) movable contact's gasbag (36), communicate through pipeline (37) between gasbag (36) and burning chamber (10), pipeline (37) inside is provided with check valve (38), keep off air cavity (39) have been seted up to clean case (5) inside, keep off air cavity (39) inside is provided with the activity and block gas baffle (40) of air flue (18), keep off gas baffle (40) and keep off air cavity (39) inner wall fixedly connected with third elastic block (41), and keep off between gas baffle (40) and baffle (34) through stay cord (42) fixed connection.

2. The TFT glass cutting apparatus for display as set forth in claim 1, wherein: an installation groove (21) is formed in one side, close to the glass substrate (3), of the cleaning box (5), and an electric fan (22) for blowing glass powder is arranged in the installation groove (21).

3. The TFT glass cutting apparatus for display as set forth in claim 1, wherein: the fixing device comprises a plurality of fixing blocks (23) movably arranged in the inclined cavity (9), the fixing blocks (23) are fixedly connected with one end of the adhesive tape (8), clamping grooves (24) are formed in the fixing blocks (23), and magnetic blocks (25) and thermal expansion blocks (26) are arranged in the clamping grooves (24).

4. A TFT glass cutting apparatus for display as defined in claim 3, wherein: the telescopic rod is characterized in that a buckling cavity (27) is formed in the telescopic rod (15), a magnetic rod (28) which movably stretches into the clamping groove (24) and is magnetically connected with the magnetic block (25) is arranged in the buckling cavity (27), and a first elastic block (29) is fixedly connected between the magnetic rod (28) and the inner wall of the buckling cavity (27).

5. The TFT glass cutting apparatus for display as set forth in claim 1, wherein: the pushing device comprises an electric push rod (30) fixedly arranged in the gasoline cavity (11), a push plate (31) is fixedly connected to one side, close to the combustion cavity (10), of the electric push rod (30), a switch (32) in movable contact with the push plate (31) is fixedly arranged in the gasoline cavity (11), the switch (32) is electrically connected with the igniter (13), and the push plate (31) and the switch (32) are matched with control the igniter (13).

6. The TFT glass cutting apparatus for display as set forth in claim 1, wherein: an atomizer (43) is arranged in the oil duct (12).

7. A TFT glass cutting process for display use, for a TFT glass cutting apparatus for display as set forth in any one of claims 1 to 6, wherein: the method comprises the following steps:

A. the glass powder is blown up through the electric fan (22), and the adhesive tape (8) in the placing groove (7) adheres the blown glass powder in the process that the placing plate (6) moves along with the cutter (2), so that the glass powder is cleaned;

B. the adhesive tapes (8) adhered with the glass powder are pulled into the combustion cavity (10) one by one through the telescopic rod (15), so that the adhesive tapes (8) in the placing groove (7) are exposed one by one, and the adhesive effect of the adhesive tapes (8) on the glass powder is ensured;

C. the adhesive tape (8) which is adhered with glass powder and enters the combustion cavity (10) is burnt, the high-temperature gas generated during combustion evaporates the water on the sponge block (19), and the cutter (2) is cooled by utilizing evaporation heat absorption.