阅读说明：本技术 液晶屏幕制造用自动化切割机器人及其切割方法 (Automatic cutting robot for manufacturing liquid crystal display screen and cutting method thereof ) 是由 朱桂宝 于 2021-08-31 设计创作，主要内容包括：本发明涉及一种液晶屏幕制造用自动化切割机器人及其切割方法,由工业机器人代替人工完成对液晶屏幕生产过程中所涉及的液晶玻璃进行切割,人工只需要将所需要进行切割的液晶玻璃放置在传输组件上即可,提高了液晶屏幕的生产效率。本发明设有打磨组件,可对切割完毕后的液晶玻璃进行打磨,并根据距离来确认所要切割的液晶玻璃的尺寸,能够进一步保证对液晶玻璃切割的尺寸精准度,有效提高对液晶玻璃进行切割的质量问题。(The invention relates to an automatic cutting robot for manufacturing a liquid crystal screen and a cutting method thereof. The liquid crystal glass cutting device is provided with the polishing assembly, so that the liquid crystal glass after being cut can be polished, the size of the liquid crystal glass to be cut can be confirmed according to the distance, the size accuracy of the liquid crystal glass can be further guaranteed, and the quality of the liquid crystal glass can be effectively improved.)

1. The utility model provides a liquid crystal display makes with automatic cutting robot which characterized by includes:

the transmission assembly comprises a transmission plate for conveying the liquid crystal glass to be cut; the foundation columns are erected on two sides of the transmission plate and used for integral support;

the cutting assembly comprises a first positioning plate erected on one side of the transmission plate; the cutting mechanism is arranged on the surface of the first positioning plate and fixedly connected with the first positioning plate;

the polishing assembly comprises a second positioning plate which is erected on one side of the transmission plate and is adjacent to the first positioning plate; and the polishing mechanism is arranged on the surface of the second positioning plate and is fixedly connected with the second positioning plate.

2. The automatic cutting robot for manufacturing liquid crystal display screen according to claim 1, wherein the cutting mechanism comprises:

the first base plates are fixedly connected with the first positioning plate and used for supporting the whole cutting mechanism, and the plurality of first base plates are symmetrically distributed on the surface of the first positioning plate;

one end of each first support column is fixedly connected with the corresponding first base plate and used for positioning the height of the whole cutting mechanism, and the number of the first support columns is multiple; the plurality of first supporting columns are communicated and fixed with one another through first cross beams;

the center of the cutting piece is provided with a through hole, and a first central column penetrates through the through hole; the cutting blade is fixedly connected with the first supporting column through the first central column.

3. The automatic cutting robot for manufacturing liquid crystal display screen according to claim 1, wherein the grinding mechanism comprises:

the second base plates are fixedly connected with the second positioning plate and used for supporting the whole polishing mechanism, and the second base plates are distributed on the surface of the second positioning plate symmetrically;

one end of each second supporting column is fixedly connected with the second base plate and used for positioning the height of the whole polishing mechanism, and the number of the second supporting columns is multiple; the second supporting columns are communicated and fixed with one another through second cross beams;

the polishing piece is provided with a through hole in the center, and a second central column penetrates through the through hole; the polishing disc is fixedly connected with the second supporting column through the second central column.

4. The automatic cutting robot for manufacturing the liquid crystal screen according to claim 1, wherein:

the first positioning plate and the second positioning plate are fixed on one side of the transmission plate through a base and are arranged on the surface of the working surface of the base, so that the cutting assembly and the grinding assembly are arranged on one side of the transmission plate through the base; the first locating plate with the second locating plate is adjacent position relation, just the surface of base working face is equipped with the slip track, first locating plate with second locating plate sliding connection in the slip track on base working face surface has the edge the slip track carries out reciprocating motion's flexibility ratio.

5. The automatic cutting robot for manufacturing the liquid crystal display according to claim 2, wherein:

the surface of first locating plate working face is equipped with first slip track, and is a plurality of first backing plate sliding connection in the first slip track of first locating plate working face surface, have and follow the flexibility ratio that first slip track carries out reciprocating motion.

6. The automatic cutting robot for manufacturing the liquid crystal display according to claim 3, wherein:

the surface of the working surface of the second positioning plate is provided with a second sliding rail, and the plurality of second base plates are connected in the second sliding rail on the surface of the working surface of the second positioning plate in a sliding manner and have flexibility along the second sliding rail to carry out reciprocating motion.

7. The automatic cutting robot for manufacturing the liquid crystal display according to claim 2, wherein:

the surface of the working surface of the first support column is provided with a first moving track, and the first central column is connected in the first moving track in a sliding manner and has the flexibility of reciprocating movement along the first moving track; the first central column is arranged among the plurality of first supporting columns, and two ends of the first central column are connected in the first moving track in a sliding manner; cutting piece surface covering has flexible safety cover, first center post runs through the central through-hole of flexible safety cover makes flexible safety cover is fixed in a plurality ofly between the first support column.

8. The automatic cutting robot for manufacturing the liquid crystal display according to claim 3, wherein:

the surface of the working surface of the second support column is provided with a second moving track, and the second central column is connected in the second moving track in a sliding manner and has the flexibility of reciprocating movement along the second moving track; the second central column is arranged among the second supporting columns, and two ends of the second central column are connected in the second moving track in a sliding mode.

9. The automatic cutting robot for manufacturing the liquid crystal display according to claim 2, wherein:

an infrared scanning camera is arranged on the surface, close to the transmission plate, of the first cross beam and used for scanning and judging liquid crystal glass to be cut on the transmission plate, and when the infrared scanning camera scans the position, moving to a preset distance, of the transmission plate, the transmission plate stops transmission, and cutting operation is conducted on the liquid crystal glass; and the transmission plate is provided with baffle plates at intervals of preset distance and used for fixing the cut liquid crystal glass.

10. The cutting method of the automatic cutting robot for manufacturing the liquid crystal screen according to any one of claims 1 to 9, characterized by comprising the steps of:

s1, manually placing the liquid crystal glass to be cut on the surface of the transmission plate, fixing the liquid crystal glass to be cut through the baffle plate, and starting the transmission plate to transmit the liquid crystal glass;

s2, when the liquid crystal glass is conveyed to a preset distance, the transmission plate stops transmission, the first central column moves towards the direction close to the transmission plate along the first moving track on the surface of the first supporting column, and the cutting piece descends to cut the liquid crystal glass;

s3, after the cutting operation is completed, the first central column moves in the opposite direction along the first moving track on the surface of the first supporting column to enable the cutting piece to ascend, then the first positioning plate moves in the direction far away from the second positioning plate, the second positioning plate moves in the direction close to the first positioning plate, and the second central column moves in the direction close to the transmission plate along the second moving track on the surface of the second supporting column to enable the grinding piece to descend to grind the notch of the liquid crystal glass;

s4, after the polishing operation is finished, the second central column moves in the opposite direction along the second moving track on the surface of the second supporting column, so that the polishing sheet rises, the transmission plate runs, and the liquid crystal glass is transmitted;

and S5, repeating the operations from S to S4 in sequence by analogy until all the liquid crystals to be cut are cut.

Technical Field

The invention relates to the field of mechanical cutting, in particular to an automatic cutting robot for manufacturing a liquid crystal display and a cutting method thereof.

Background

With the continuous development of electronic information technology, digital communication technology is also rapidly developing, and liquid crystal display screens are also favored as a novel electronic technology product. The liquid crystal display is an active matrix liquid crystal display driven by means of thin film transistor, and is mainly characterized by that it uses current to stimulate liquid crystal molecule to produce point, line and surface matched with back lamp tube to form picture. The liquid crystal screen has the advantages of thin body, electricity saving, no radiation, soft picture, no harm to eyes and the like, but also has a complex production process. Wherein, the cutting of the liquid crystal glass is an indispensable step in the production and processing process of the liquid crystal screen.

The traditional liquid crystal glass cutting machine is easy to generate uneven cutting marks at the cutting opening due to the material particularity of liquid crystal glass in the cutting process, so that the cutting size of the liquid crystal glass is not accurate enough, and the actual size requirement cannot be met.

Disclosure of Invention

The purpose of the invention is as follows: the utility model provides an automatic cutting robot for manufacturing LCD screen to further provide a cutting method based on the automatic cutting robot for manufacturing LCD screen, in order to solve the above-mentioned problem that prior art exists.

The technical scheme is as follows: an automatic cutting robot for manufacturing a liquid crystal screen comprises a transmission assembly, a cutting assembly and a grinding assembly.

The transmission assembly comprises a transmission plate and a base column; the transmission plate is used for carrying the liquid crystal glass to be cut in a reverse direction, and the base columns are erected on two sides of the transmission plate and used for providing integral support for the transmission assembly.

The cutting assembly comprises a first positioning plate and a cutting mechanism; the first positioning plate is erected on one side of the transmission plate and used for positioning the whole cutting assembly; the cutting mechanism is fixedly connected with the first positioning plate and is arranged on the surface of the first positioning plate.

The grinding assembly comprises a second positioning plate and a grinding mechanism; the second positioning plate is erected on one side of the transmission plate, is adjacent to the first positioning plate and is used for limiting the position of the whole polishing assembly; the grinding mechanism is arranged on the surface of the second positioning plate and is fixedly connected with the second positioning plate.

In a further embodiment, the cutting mechanism comprises three components, namely a first backing plate, a first support column and a cutting blade. The cutting mechanism comprises a cutting mechanism body, a first positioning plate, a plurality of first base plates and a plurality of second base plates, wherein the first base plates are fixedly connected with the first positioning plate and used for supporting the whole cutting mechanism body; one end of each first support column is fixedly connected with the corresponding first base plate and used for positioning the height of the whole cutting mechanism, and the first support columns are multiple and are mutually communicated and fixed through a first cross beam, so that the first support columns limit the whole height of the cutting mechanism and provide fulcrums for the cutting mechanism at the same time, and the cutting piece can conveniently run; the cutting piece is characterized in that a through hole is formed in the center of the cutting piece, a first central column penetrates through the through hole, and the cutting piece is fixedly connected with the first supporting columns through the first central column, so that the cutting piece can be suspended among the first supporting columns through the first central column.

In a further embodiment, the grinding mechanism comprises three components of a second backing plate, a second supporting column and a grinding sheet. The second base plates are fixedly connected with the second positioning plate and used for supporting the whole polishing mechanism, and the plurality of second base plates are symmetrically distributed on the surface of the second positioning plate, so that stress points are uniform when the whole polishing mechanism is supported, and the whole polishing mechanism is more stable; one end of each second supporting column is fixedly connected with the second base plate and used for positioning the overall height of the polishing mechanism, the second supporting columns are multiple, and the second supporting columns are communicated and fixed with each other through second cross beams, so that the second supporting columns limit the overall height of the polishing mechanism and provide corresponding supporting points for the polishing mechanism at the same time, and the polishing sheet can run conveniently; the center department of polishing piece is equipped with the through-hole equally, just it has the second center post to run through in the through-hole, the polishing piece passes through the second center post with second support column fixed connection makes the polishing piece accessible the second center post hangs in a plurality of between the second support column to be in the state of hanging, be convenient for the later stage polish the liquid crystal glazing incision that the cutting finishes.

In a further embodiment, the first positioning plate and the second positioning plate are fixed on one side of the transmission plate through a base; the first positioning plate and the second positioning plate are arranged on the surface of the working surface of the base, so that the cutting assembly and the grinding assembly are arranged on one side of the transmission plate through the base. The first locating plate with the second locating plate is adjacent position relation, just the surface of base working face is equipped with the slip track, first locating plate with second locating plate sliding connection in the slip track on base working face surface has the edge the slip track carries out reciprocating motion's flexibility ratio. In the later welding operation process, the sliding rail can move the first positioning plate and the second positioning plate to adjust the positions of the cutting mechanism and the grinding mechanism.

In a further embodiment, the surface of the working surface of the first positioning plate is provided with a first sliding rail, and the first base plates are connected with the first sliding rail on the surface of the working surface of the first positioning plate in a sliding manner and have flexibility to reciprocate along the first sliding rail, so that the cutting mechanism fixedly connected with the first positioning plate is driven to adjust and move positions, and the requirements of cutting different positions of the liquid crystal screen are met.

In a further embodiment, a second sliding rail is arranged on the surface of the working surface of the second positioning plate, and the plurality of second base plates are slidably connected in the second sliding rail on the surface of the working surface of the second positioning plate and have flexibility for reciprocating along the second sliding rail, so that the second base plates drive the grinding mechanism fixedly connected with the second base plates to move and adjust the positions of the grinding mechanism, and further the requirements for grinding different positions of the notch of the liquid crystal display are met.

In a further embodiment, a first moving track is arranged on the surface of the working surface of the first support column, the first central column is connected in the first moving track in a sliding manner and has flexibility for reciprocating along the first moving track, the first central column is arranged among the first support columns, and two ends of the first central column are connected in the first moving track in a sliding manner, so that the cutting blade is suspended among the first support columns through the first central column and always keeps a vertical direction with the liquid crystal glass to be cut, and the cutting blade is convenient to cut the liquid crystal glass to be cut. The surface of cutting piece covers there is flexible safety cover, first center post runs through the central through-hole of flexible safety cover makes flexible safety cover is fixed in a plurality ofly between the first support column, it is right to be convenient for the cutting piece protects, also avoids simultaneously when the stop work, and naked cutting piece causes the injury to the human body.

In a further embodiment, a second moving track is arranged on the surface of the working surface of the second support column, the second central column is connected in the second moving track in a sliding manner and has flexibility for reciprocating along the second moving track, the second central column is arranged among the plurality of second support columns, and two ends of the second central column are connected in the second moving track in a sliding manner, so that the polishing sheet is suspended among the plurality of first support columns through the second central column and always keeps a vertical direction with the cut liquid crystal glass to be polished, and polishing operation is performed on the cut after the cutting is completed. The surface of polishing piece covers there is flexible housing, the second center post passes through the central through-hole of flexible housing makes flexible housing is fixed in a plurality ofly between the second support column, it is right to be convenient for the polishing piece protects, also avoids when the stop work simultaneously, the condition that the piece of polishing caused the injury to the person takes place.

In a further embodiment, an infrared scanning camera is arranged on the surface, close to the transmission plate, of the first cross beam and used for scanning and positioning the liquid crystal glass to be cut on the transmission plate; when the infrared scanning camera scans the position where the transmission plate moves to the preset distance, the transmission plate stops rotating to cut the liquid crystal glass on the surface of the transmission plate, and baffles are arranged at the position of the transmission plate at intervals of the preset distance and used for fixing the liquid crystal glass to be cut, so that the situations of displacement, sliding and the like in the process of transmitting the liquid crystal glass to the utmost extent by the transmission plate are avoided.

A cutting method of an automatic cutting robot for manufacturing a liquid crystal screen comprises the following steps:

s1, manually placing the liquid crystal glass to be cut on the surface of the transmission plate, fixing the liquid crystal glass to be cut through a baffle plate, and starting the transmission plate to transmit the liquid crystal glass;

s2, when the liquid crystal glass is conveyed to a preset distance, the transmission plate stops transmission, the first central column moves towards the direction close to the transmission plate along the first moving track on the surface of the first supporting column, and the cutting piece descends to cut the liquid crystal glass;

s3, after the cutting operation is completed, the first central column moves in the opposite direction along the first moving track on the surface of the first supporting column to enable the cutting piece to ascend, then the first positioning plate moves in the direction far away from the second positioning plate, the second positioning plate moves in the direction close to the first positioning plate, and the second central column moves in the direction close to the transmission plate along the second moving track on the surface of the second supporting column to enable the grinding piece to descend to grind the notch of the liquid crystal glass;

s4, after the polishing operation is finished, the second central column moves in the opposite direction along the second moving track on the surface of the second supporting column, so that the polishing sheet rises, the transmission plate runs, and the liquid crystal glass is transmitted;

and S5, repeating the operations from S to S4 in sequence by analogy until all the liquid crystals to be cut are cut.

Has the advantages that: the invention relates to an automatic cutting robot for manufacturing a liquid crystal screen and a cutting method thereof. In a further embodiment, the liquid crystal glass cutting device is provided with the polishing assembly, so that the cut of the liquid crystal glass after cutting can be polished, the size of the liquid crystal glass to be cut can be confirmed according to the distance, the size accuracy of the liquid crystal glass can be further guaranteed, and the quality of the liquid crystal glass can be effectively improved. In addition, the cutting size of the liquid crystal glass is further controlled through visual detection, so that the size accuracy of the liquid crystal glass is further improved, and the production efficiency of the liquid crystal screen is improved.

Drawings

Fig. 1 is a schematic view of the present invention as a whole.

Figure 2 is a schematic view of the cutting assembly and the sanding assembly of the present invention.

Fig. 3 is a partially enlarged view of the cutting assembly of the present invention.

The figures are numbered: the device comprises a transmission plate 1, a base column 2, a cutting mechanism 3, a grinding assembly 4, a base 5, a baffle 6, a first positioning plate 301, a first supporting column 303, a cutting plate 304, a first cross beam 305, a telescopic protective cover 306, a second positioning plate 401, a second backing plate 402, a second supporting column 403, a grinding plate 404, a second cross beam 405, a telescopic cover 406 and a first transfer plate 307.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

The applicant believes that in the cutting process of the traditional liquid crystal glass cutting machine, due to the material particularity of liquid crystal glass, uneven cutting marks are prone to appear at the cut, so that the cutting size of the liquid crystal glass is not accurate enough, and the actual size requirement cannot be met.

Therefore, the applicant designs an automatic cutting robot for manufacturing the liquid crystal screen and a cutting method thereof, the industrial robot replaces the manual work to cut the liquid crystal glass related in the production process of the liquid crystal screen, and the manual work only needs to place the liquid crystal glass to be cut on the transmission assembly, so that the production efficiency of the liquid crystal screen is improved.

The invention relates to an automatic cutting robot for manufacturing a liquid crystal screen, which mainly comprises a transmission assembly, a cutting assembly and a grinding assembly 4. Wherein, the transmission assembly comprises two parts of a transmission plate 1 and a base column 2; the transmission plate 1 is used for carrying liquid crystal glass to be cut in a reverse direction, and the base columns 2 are erected on two sides of the transmission plate 1 and used for providing integral support for the transmission assembly. The cutting assembly comprises a first positioning plate 301 and a cutting mechanism 3; the first positioning plate 301 is erected on one side of the transmission plate 1 and used for positioning the whole cutting assembly; the cutting mechanism 3 is fixedly connected with the first positioning plate 301 and is arranged on the surface of the first positioning plate 301.

In a further preferred embodiment, the cutting mechanism 3 comprises three components, namely a first backing plate, a first support column 303 and a cutting blade 304. The first base plate is fixedly connected with the first positioning plate 301 and is used for supporting the whole cutting mechanism 3; the plurality of first backing plates are symmetrically distributed on the surface of the first positioning plate 301, so that stress points are uniform when the cutting mechanism 3 is integrally supported, and the cutting mechanism 3 is integrally more stable; one end of each first support column 303 is fixedly connected with the first base plate, and is used for positioning the height of the whole cutting mechanism 3, and a plurality of first support columns 303 are provided, and the plurality of first support columns 303 are mutually communicated and fixed through a first cross beam 305, so that the first support columns 303 limit the height of the whole cutting mechanism 3 and provide fulcrums for the cutting mechanism 3, and the later operation of the cutting blade 304 is facilitated; a through hole is formed in the center of the cutting blade 304, a first central column penetrates through the through hole, and the cutting blade 304 is fixedly connected with the first support columns 303 through the first central column, so that the cutting blade 304 can be suspended among the plurality of first support columns 303 through the first central column and can be kept in a position direction which is horizontal to the first support columns 303 and vertical to the transmission plate 1.

In a further preferred embodiment, the grinding mechanism comprises three components, namely a second backing plate 402, a second support column 403 and a grinding sheet 404. The second base plates 402 are fixedly connected with the second positioning plate 401 and used for supporting the whole polishing mechanism, and the plurality of second base plates 402 are symmetrically distributed on the surface of the second positioning plate 401, so that stress points are uniform when the whole polishing mechanism is supported, and the whole polishing mechanism is more stable; one end of the second supporting column 403 is fixedly connected with the second base plate 402, so as to position the overall height of the polishing mechanism, and a plurality of second supporting columns 403 are provided, and the plurality of second supporting columns 403 are mutually communicated and fixed through a second cross beam 405, so that the second supporting columns 403 can limit the overall height of the polishing mechanism and simultaneously provide corresponding supporting points for the polishing mechanism, thereby facilitating the operation of the polishing pad 404; the center of the polishing sheet 404 is also provided with a through hole, a second central column penetrates through the through hole, and the polishing sheet 404 is fixedly connected with the second supporting columns 403 through the second central column, so that the polishing sheet 404 can be suspended among the second supporting columns 403 through the second central column and is in a suspended state, and the liquid crystal glass cut after cutting is polished conveniently in the later period.

In a further preferred embodiment, the first positioning plate 301 and the second positioning plate 401 are fixed on one side of the transmission plate 1 through a base 5; the first positioning plate 301 and the second positioning plate 401 are disposed on the surface of the working surface of the base 5, so that the cutting assembly and the grinding assembly 4 are disposed on one side of the transmission plate 1 through the base 5. First locating plate 301 with second locating plate 401 is adjacent position relation, just the surface of 5 working faces of base is equipped with the slip track, first locating plate 301 with second locating plate 401 sliding connection in the slip track on 5 working faces of base surface has the edge the slip track carries out reciprocating motion's flexibility ratio. In the later welding operation process, the first positioning plate 301 and the second positioning plate 401 move left and right in the same direction to complete the conversion of the position relation between the cutting mechanism 3 and the polishing mechanism and between the liquid crystal glass, and further complete the cutting and notch polishing operation of the liquid crystal glass.

In a further preferred embodiment, a first sliding rail is disposed on the surface of the working surface of the first positioning plate 301, and the plurality of first backing plates are slidably connected to the first sliding rail on the surface of the working surface of the first positioning plate 301, and have flexibility of reciprocating along the first sliding rail, so as to drive the cutting mechanism 3 fixedly connected to the first positioning plate 301 to adjust and move the position; and the first backing plate passes through first adapter plate 307 with first support column 303 fixed connection, first adapter plate 307 with first support column 303 is the coupling fixed, makes first support column 303 has the edge the flexibility ratio that first adapter plate 307 horizontal direction removed, and then makes cutting mechanism 3 can pass through first adapter plate 307 further position adjustment to self, and then accomplishes the demand of carrying out the cutting to liquid crystal display further different positions.

In a further preferred embodiment, a second sliding rail is arranged on the surface of the working surface of the second positioning plate 401, and the plurality of second cushion plates 402 are slidably connected in the second sliding rail on the surface of the working surface of the second positioning plate 401, and have flexibility of reciprocating along the second sliding rail, so that the second cushion plates 402 drive the grinding mechanism fixedly connected with the second cushion plates to move and adjust the position; the second base plate 402 is fixedly connected with the second support column 403 through a second adapter plate, and the second adapter plate is fixed with the second adapter plate in a shaft joint mode, so that the second support column 403 has flexibility in moving along the horizontal direction of the second adapter plate, the polishing mechanism can further limit and adjust the position of the polishing mechanism through the second adapter plate, and the requirements for polishing different positions of the notch of the liquid crystal screen are met.

In a further preferred embodiment, a first moving track is arranged on the surface of the working surface of the first support column 303, the first central column is slidably connected in the first moving track and has a flexibility that reciprocates along the first moving track, the first central column is disposed between the first support columns 303, and both ends of the first central column are slidably connected in the first moving track, so that the cutting blade 304 is suspended between the first support columns 303 through the first central column and always keeps a vertical direction with the liquid crystal glass to be cut, and the cutting blade 304 is convenient to cut the liquid crystal glass to be cut. The surface of the cutting blade 304 is covered with a telescopic protective cover 306, and the first central column penetrates through a central through hole of the telescopic protective cover 306, so that the telescopic protective cover 306 is fixed among the plurality of first support columns 303; when the cutting blade 304 performs a cutting operation, the retractable protection cover 306 is retracted, so that the cutting blade 304 performs a normal cutting operation; when the cutting piece 304 stops working, the telescopic protection cover 306 is unfolded to cover the cutting piece 304, so that the cutting piece 304 is prevented from being exposed to the outside to hurt the human body.

In a further preferred embodiment, a second moving track is arranged on the surface of the working surface of the second supporting columns 403, the second central column is slidably connected in the second moving track and has a flexibility that the second central column can reciprocate along the second moving track, the second central column is disposed between the plurality of second supporting columns 403, and both ends of the second central column are slidably connected in the second moving track, so that the polishing sheet 404 is suspended between the plurality of first supporting columns 303 through the second central column and always keeps a vertical direction with the cut-finished liquid crystal glass to be polished, thereby facilitating polishing operation of the cut after the cutting is finished. The surface of the grinding plate 404 is covered with a telescopic cover 406, and the second central column penetrates through a central through hole of the telescopic cover 406, so that the telescopic cover 406 is fixed among the plurality of second supporting columns 403; during a sanding operation of the sanding sheet 404, the telescoping shroud 406 is retracted so that the sanding sheet 404 performs normal sanding operations; when the polishing plate 404 stops working, the retractable cover 406 is unfolded to cover the polishing plate 404, so as to prevent the polishing plate 404 from being exposed to cause injury to human bodies.

In a further preferred embodiment, an infrared scanning camera is disposed on the first beam 305 near the surface of the transmission plate 1, and is used for scanning and positioning the liquid crystal glass to be cut on the transmission plate 1; when the infrared scanning camera scans the position where the transmission plate 1 moves to the preset distance every time, the transmission plate 1 stops rotating, liquid crystal glass on the surface of the transmission plate 1 is cut, and baffles 6 are arranged at the position of the transmission plate 1 at intervals of the preset distance and used for fixing the liquid crystal glass to be cut, so that the situations of displacement, sliding and the like in the process of the transmission plate 1 for transmitting the liquid crystal glass to the utmost are avoided.

On the basis of the automatic cutting robot for manufacturing the liquid crystal screen, the invention provides a cutting method of the automatic cutting robot for manufacturing the liquid crystal screen, which comprises the following specific steps:

firstly, the liquid crystal glass to be cut is manually placed on the surface of the transmission plate 1, the liquid crystal glass to be cut is fixed through the baffle 6, and the transmission plate 1 is started to transmit the liquid crystal glass.

Then, the infrared scanning camera monitors the moving position distance of the transmission plate 1 in real time, when the transmission plate 1 is conveyed to a preset distance, the transmission plate 1 stops transmission, the first central column moves towards the direction close to the transmission plate 1 along the first moving track on the surface of the first supporting column 303, and the cutting piece 304 descends to cut the liquid crystal glass.

Subsequently, after the cutting operation is completed, the first central column moves along the first moving track on the surface of the first supporting column 303 in the opposite direction, so that the cutting blade 304 rises, then the first positioning plate 301 moves in the direction away from the second positioning plate 401, the second positioning plate 401 moves in the direction close to the first positioning plate 301, the second central column moves along the second moving track on the surface of the second supporting column 403 in the direction close to the transmission plate 1, so that the grinding blade 404 descends to grind the notch of the liquid crystal glass;

after the grinding operation is completed, the second central column moves along the second moving track on the surface of the second supporting column 403 in the opposite direction, so that the grinding sheet 404 rises, the transmission plate 1 runs, and the liquid crystal glass is transmitted again;

and finally, repeating the process steps in sequence by the analogy until all the liquid crystals to be cut are cut

As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.