A limiting device for TFT display glass roller transmission and use method

Abstract

The present invention provides a limiting device for roller conveying of TFT display glass and a method of using the device, comprising a limiting bracket and a compressed air bag, wherein the bottom of the compressed air bag is connected to a pneumatic telescopic rod, the output end of the brake piston rod is connected to a limiting slider, the upper end of the limiting slider is provided with a limiting position, one end of the limiting support arm is provided with a driving plate, and the bottom of the driving plate is provided with a driving rail. After the display is placed on the compressed air bag, the air is compressed into the inside of the pneumatic telescopic rod, and the limiting slider is moved outward by the pneumatic telescopic rod, so that the display can be limited and placed on the limiting bracket, and the distance between the limiting sliders can be changed according to the pressure, so as to facilitate the placement of displays of different sizes, and the compressed air bag can also effectively protect the display, ensure that the display is not damaged, and improve the quality of the display.

Description

Technical Field

[0001] The invention relates to a limiting device and a use method, in particular to a limiting device and a use method for glass roller transmission of a TFT display, belonging to the technical field of transmission devices. Background Art

[0002] TFT display glass uses thin film transistor technology, which means that each pixel has an independent transistor that can accurately control the brightness and color of the pixel, which enables TFT display glass to provide high resolution and clear images. The limit device for roller transmission of TFT display glass is designed to improve the accuracy of the glass plate during roller transmission while avoiding damage to the glass.

[0003] Since the glass of TFT displays is relatively brittle, it is easy for them to slip and fall to the ground and be damaged when they are transported without reinforcement, which affects their quality. If they are transported with reinforcement, they need to be clamped frequently, which wastes a lot of time. During the clamping process, the force of the clamp is too great, which may damage the display. Therefore, it is impossible to carry out fast limited transportation while ensuring quality. Summary of the invention

[0004] The invention provides a limiting device for roller transmission of TFT display glass, which is used to solve the defects of excessive force and low efficiency of the clamp in the clamping process in the prior art.

[0005] On the one hand, the present invention provides a limiting device for roller conveying of TFT display glass, comprising: a limiting bracket and a compression air bag fixedly arranged in the middle of the limiting bracket, a plurality of pneumatic telescopic rods are connected to the bottom of the compression air bag, the pneumatic telescopic rods are connected to the inside of the compression air bag, a brake piston rod is fixedly arranged inside the pneumatic telescopic rod, an output end of the brake piston rod is connected to a limiting slider, a plurality of the limiting sliders are arranged inside with displays, and the limiting sliders are slidably arranged on the limiting bracket;

[0006] A limit position is provided at the upper end of the limit slider, and the limit position is clamped at the corner of the display, wherein when the compressed air bag is pressed by the display, the pneumatic telescopic rod pushes the limit slider toward the outside of the limit bracket to clamp the display;

[0007] A plurality of limit support arms are connected to the limit bracket, the limit slider is slidably arranged on the limit support arm, the end of the limit support arm away from the compression airbag is fixedly provided with a drive plate through a drive plate mounting block, a drive rail is arranged at the bottom of the drive plate, and the drive plate is rollingly arranged inside the drive rail.

[0008] According to a limiting device for roller conveying of TFT display glass provided by the present invention, a limiting block slide groove is provided in the middle of the limiting bracket, an airbag mounting block is connected to the bottom of the compression airbag, and the airbag mounting block is fixedly arranged inside the limiting block slide groove;

[0009] One end of the pneumatic telescopic rod is connected with a vent pipe, and the vent pipe is communicated with the interior of the airbag mounting block. One end of the pneumatic telescopic rod is fixedly provided with a telescopic rod fixing block, and the telescopic rod fixing block is fixedly provided at the bottom of the limiting bracket.

[0010] One end of the brake piston rod is connected to a brake piston, and the brake piston is slidably arranged inside the pneumatic telescopic rod. A piston limit block is arranged at the end of the pneumatic telescopic rod, and the piston limit block is used to limit the brake piston.

[0011] A guide slider is connected to the bottom of the limit slider, and the guide slider is fixedly connected to the brake piston rod. Rubber rings are fixedly arranged on the upper and lower sides of the limit bin.

[0012] A sponge buffer layer is fixedly arranged on the peripheral side surface of the limiting bin, and the sponge buffer layer abuts against the display.

[0013] A guide rod limit block is fixedly arranged on the limit bracket at one side of the guide slider, a guide rod slidably connected to the guide rod limit block is fixedly arranged on the guide slider, a first spring is arranged between the guide rod and the guide slider, and the first spring is sleeved on the guide rod;

[0014] An airbag installation groove is provided on the position-limiting support arm, and the guide slider is slidably arranged inside the airbag installation groove.

[0015] The bottom side of the driving plate is connected to symmetrically distributed driving motor fixing plates, a plurality of limiting wheels are rotatably arranged between the two driving motor fixing plates, a driving groove is opened on the driving rail, and the limiting wheels are rollingly arranged inside the driving groove.

[0016] A buffer pillar is fixedly provided on the upper side of the driving plate, and a pillar limiting plate is connected to the buffer pillar;

[0017] A buffer groove is provided inside the driving plate mounting block, the buffer pillar passes through the driving plate mounting block and extends into the buffer groove, a second spring is provided between the pillar limiting plate and the buffer groove, and the second spring is sleeved on the buffer pillar.

[0018] The limiting wheel comprises a motor rotor and a motor stator. The motor stator is fixedly arranged on the driving plate. A rubber damping ring is fixedly arranged on the outer side surface of the motor rotor.

[0019] A third spring is fixedly arranged inside the compression airbag, and the third spring abuts against the inner side surface of the compression airbag.

[0020] On the other hand, the present invention also provides a method for using a limiting device for roller transmission of TFT display glass, comprising: step 1: firstly placing the device directly on the driving rail, and placing the limiting wheel inside the driving groove to ensure that the limiting wheel runs smoothly;

[0021] Step 2: Insert the two pins at one end of the monitor into the two limit positions, and then slowly place the monitor;

[0022] The display squeezes the compressed air bag in the middle of the limit bracket, so that the limit slider moves to both ends under the action of the pneumatic telescopic rod;

[0023] Then snap the other end of the display into the remaining two limit slots;

[0024] Step 3: After the display is placed horizontally, it is transported along the driving rails through the limiting wheels on the driving board;

[0025] Step 4: After reaching the destination, press the display, first remove one end of the display from the limit slider, and then remove the other end from the limit slider.

[0026] The method for using the limiting device for glass roller transmission of TFT displays provided by the present invention solves the problem of low clamping efficiency by placing the display on a compressed air bag so that the air is compressed into the interior of a pneumatic telescopic rod, and the limiting slider is retracted to the outside through the pneumatic telescopic rod. The distance between the limiting sliders can be changed according to the pressure, which is convenient for placing displays of different sizes. The compressed air bag can also effectively protect the display, ensure that the display is not damaged, and improve the quality of the display. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1The invention provides a partial three-dimensional method of using the limiting device for TFT display glass roller transmission provided by the embodiment of the present invention. Figure 1 ;

[0029] Figure 2 It is a partial cross-sectional view of a method for using a limiting device for roller transmission of glass of a TFT display provided by an embodiment of the present invention;

[0030] Figure 3 The invention provides a partial three-dimensional method of using the limiting device for TFT display glass roller transmission provided by the embodiment of the present invention. Figure 2 ;

[0031] Figure 4 It is a structural diagram of a compressed air bag in a method of using a limiting device for roller transmission of glass of a TFT display provided by an embodiment of the present invention;

[0032] Figure 5 It is a structural diagram of a limiting slider of a method for using a limiting device for glass roller transmission of a TFT display provided by an embodiment of the present invention;

[0033] Figure 6 It is a structural diagram of a driving board of a method for using a limiting device for glass roller transmission of a TFT display provided by an embodiment of the present invention;

[0034] Figure 7 It is a cross-sectional view of a pneumatic telescopic rod of a method for using a limiting device for roller transmission of a TFT display glass provided by an embodiment of the present invention;

[0035] Figure 8 It is a structural diagram of a limiting bracket for a method of using a limiting device for roller transmission of a TFT display glass provided by an embodiment of the present invention;

[0036] Fig. 9 It is a stereoscopic diagram of a method for using a limiting device for roller transmission of glass of a TFT display provided by an embodiment of the present invention.

[0037] Reference numerals:

[0038] 1. Limit bracket; 101. Limit block slide; 102. Airbag installation slot; 103. Drive plate installation block; 104. Buffer slot; 105. Limit support arm; 2. Compressed airbag; 201. Airbag installation block; 202. Ventilation pipe; 203. Telescopic rod fixing block; 3. Pneumatic telescopic rod; 301. Brake piston rod; 302. Brake piston; 303. Piston limit block; 4. Limit slider; 401. Limit bin; 4 02. Guide slider; 403. Rubber ring; 404. Guide rod; 405. Guide rod limit block; 406. First spring; 407. Sponge buffer layer; 5. Drive plate; 501. Drive motor fixing plate; 502. Buffer support pillar; 503. Support pillar limit plate; 504. Second spring; 6. Drive rail; 601. Drive slot; 7. Limit wheel; 701. Motor rotor; 702. Motor stator; 8. Third spring. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] Combine the following Figure 1-Figure 9 Describe the invention;

[0041] Figure 1-Figure 9 The invention provides a limiting device for TFT display glass roller transmission, comprising a limiting bracket 1 and a compression air bag 2 fixedly arranged in the middle of the limiting bracket 1, wherein the bottom of the compression air bag 2 is connected to a plurality of pneumatic telescopic rods 3, the pneumatic telescopic rods 3 are connected to the inside of the compression air bag 2, a brake piston rod 301 is fixedly arranged in the inside of the pneumatic telescopic rod 3, the output end of the brake piston rod 301 is connected to a limiting slider 4, a display is arranged in the inside of the plurality of limiting sliders 4, the limiting sliders 4 are slidably arranged on the limiting bracket 1, and are fixed in the middle of the limiting bracket 1. A compressed air bag 2 is provided, and after the display is placed on the compressed air bag 2, the compressed air bag 2 is compressed, and the air inside the compressed air bag 2 is compressed into the inside of the pneumatic telescopic rod 3, and the limit slider 4 is moved outward by the pneumatic telescopic rod 3, so that the display can be limited and placed on the limit bracket 1, and the distance between the limit sliders 4 can be changed according to the pressure, which is convenient for placing displays of different sizes, improving the scope and flexibility of use, and the compressed air bag 2 can also effectively protect the display, ensuring that the display is not damaged, and improving the quality of the display;

[0042] In order to improve the stability of the display in the limit slider 4, a limit slot 401 is provided at the upper end of the limit slider 4, and the limit slot 401 is clamped at the corner of the display. The limit slot 401 is provided on the limit slider 4, and the two ends of the display are placed inside the limit slot 401, so that the stability of the display can be improved. When the compressed air bag 2 is pressed by the display, the pneumatic telescopic rod 3 pushes the limit slider 4 to the outside of the limit bracket 1 to clamp the display. After the four feet of the display are placed inside the limit slot 401, the compressed air bag 2 has a tendency to return to its original state. Therefore, when the display is pushed upward, the limit slider 4 moves closer to the direction of the compressed air bag 2, thereby clamping the display and improving the stability of the display.

[0043] A plurality of limit support arms 105 are connected to the limit support bracket 1, and the limit slider 4 is slidably set on the limit support arm 105. The end of the limit support arm 105 away from the compression airbag 2 is fixedly provided with a drive plate 5 through a drive plate mounting block 103. A drive rail 6 is set at the bottom of the drive plate 5, and the drive plate 5 is rollingly set inside the drive rail 6. After the display is placed on the limit bracket 1, the limit bracket 1 is transported by the drive plate 5 at the bottom of the limit bracket 1, and the drive rail 6 guides the drive plate 5 to improve the transportation efficiency.

[0044] like Figure 4 A compressed air bag structure diagram of a method for using a limiting device for TFT display glass roller transmission provided by an embodiment of the present invention, Figure 7 The pneumatic telescopic rod cross-sectional view of the method of using the limiting device for TFT display glass roller transmission provided by the embodiment of the present invention and Figure 8As shown in the structure diagram of the limiting bracket of the method for using the limiting device for TFT display glass roller transmission provided by an embodiment of the present invention, a limiting block slide groove 101 is opened in the middle of the limiting bracket 1, and the bottom of the compressed airbag 2 is connected with an airbag mounting block 201, and the airbag mounting block 201 is fixedly set inside the limiting block slide groove 101. The compressed airbag 2 is fixedly set inside the limiting block slide groove 101 through the airbag mounting block 201 to improve the stability of the compressed airbag 2. One end of the pneumatic telescopic rod 3 is connected with a vent pipe 202, and the vent pipe 202 is connected to the inside of the airbag mounting block 201. One end of the pneumatic telescopic rod 3 is fixedly provided with a telescopic rod fixing block 203, and the telescopic rod fixing block 203 is fixedly set at the bottom of the limiting bracket 1. The pneumatic telescopic rod is fixedly adjusted by the telescopic rod fixing block 203. 3 is fixed to improve the stability of the pneumatic telescopic rod 3. When the compressed airbag 2 is compressed, the gas is transmitted to the inside of the pneumatic telescopic rod 3 through the ventilation pipe 202. One end of the brake piston rod 301 is connected to the brake piston 302. After the gas enters the inside of the pneumatic telescopic rod 3, the brake piston rod 301 is pushed outward by pushing the brake piston 302, so as to achieve the purpose of pushing the limit slider 4. The brake piston 302 is slidably arranged in the inside of the pneumatic telescopic rod 3. A piston limit block 303 is arranged at the port of the pneumatic telescopic rod 3. The piston limit block 303 is used to limit the brake piston 302. During the movement of the brake piston rod 301, the brake piston 302 is limited by the piston limit block 303 on the pneumatic telescopic rod 3, so as to improve the stability of the movement of the pneumatic telescopic rod 3.

[0045] like Figure 2 is a partial cross-sectional view of a method for using a limiting device for TFT display glass roller transmission provided by an embodiment of the present invention, Figure 4 The compressed air bag structure diagram of the use method of the limiting device for TFT display glass roller transmission provided by the embodiment of the present invention and Figure 5 As shown in the limit slider structure diagram of the use method of the limit device for TFT display glass roller transmission provided by the embodiment of the present invention, the bottom of the limit slider 4 is connected with a guide slider 402, and the guide slider 402 is fixedly connected to the brake piston rod 301. In the process of the brake piston rod 301 moving outward, the guide slider 402 at the bottom of the limit slider 4 can be driven to move outward, thereby driving the limit slider 4 to move outward. The upper and lower sides of the inner part of the limit bin 401 are fixedly provided with rubber rings 403, and the surrounding side of the limit bin 401 is fixedly provided with a sponge buffer layer 407, which is against the display. The rubber ring 403 is fixedly provided inside the limit bin 401, which can buffer and protect the display. In addition, the sponge buffer layer 407 inside the limit bin 401 also has a certain protective effect on the display.

[0046] A guide rod limit block 405 is fixedly arranged on one side of the guide slider 402 on the limit bracket 1, a guide rod 404 slidably connected to the guide rod limit block 405 is fixedly arranged on the guide slider 402, a first spring 406 is arranged between the guide rod 404 and the guide slider 402, and the first spring 406 is sleeved on the guide rod 404. In the process of the movement of the limit slider 4, in order to accelerate the compression airbag 2 to return to the initial state and clamp the display, a third spring 8 is fixedly arranged inside the compression airbag 2, and the third spring 8 is connected to the compression airbag 2 is abutted against the inner side of the airbag 2. In addition to the third spring 8 inside the compressed airbag 2, a first spring 406 is arranged on the guide rod 404 and squeezed by the guide rod limit block 405. Under the action of the first spring 406, the limit slider 4 is pushed toward the direction of the compressed airbag 2 to improve the clamping efficiency. An airbag mounting groove 102 is opened on the limit support arm 105, and the guide slider 402 is slidably arranged inside the airbag mounting groove 102. The guide slider 402 is slidably arranged inside the airbag mounting groove 102 to improve the stability of the movement of the limit slider 4.

[0047] like Figure 6 As shown in the driving board structure diagram of the method for using the limiting device for roller conveying of TFT display glass provided by the embodiment of the present invention, the bottom side of the driving board 5 is connected with symmetrically distributed driving motor fixing plates 501, and a plurality of limiting wheels 7 are rotatably arranged between the two driving motor fixing plates 501. A driving groove 601 is opened on the driving rail 6, and the limiting wheel 7 is rotatably arranged inside the driving groove 601. The limiting bracket 1 is driven by the limiting wheel 7 to improve the efficiency of transportation;

[0048] At the same time, in order to reduce the bumps on the display during operation, a buffer support 502 is fixedly provided on the upper side of the driving board 5, and a support limit plate 503 is connected to the buffer support 502;

[0049] A buffer groove 104 is provided inside the driving board mounting block 103, and a buffer pillar 502 penetrates the driving board mounting block 103 and extends into the buffer groove 104. A second spring 504 is provided between the pillar limiting plate 503 and the buffer groove 104, and the second spring 504 is sleeved on the buffer pillar 502. The driving board 5 is connected to the pillar limiting plate 503 through the buffer pillar 502, and a second spring 504 is provided between the buffer groove 104 and the pillar limiting plate 503, which can play an effective buffering role when the driving board 5 is bumped, thereby ensuring the safety of the display;

[0050] In addition, the limiting wheel 7 includes a motor rotor 701 and a motor stator 702. The motor stator 702 is fixedly arranged on the driving plate 5. A rubber damping ring is fixedly arranged on the outer side of the motor rotor 701, which is similar to the motor of an electric vehicle, is self-driven, has a simple structure and low production cost.

[0051] On the other hand, the method for using the limiting device for roller transmission of TFT display glass provided in this embodiment includes the following steps:

[0052] Step 1: First, place the device directly on the driving rail 6, and place the limiting wheel 7 inside the driving groove 601 to ensure that the limiting wheel 7 runs smoothly;

[0053] Step 2: Insert the two pins at one end of the display into the two limit bins 401 respectively, and then slowly place the display;

[0054] The display squeezes the compressed air bag 2 in the middle of the limit bracket 1, so that the limit slider 4 moves to both ends under the action of the pneumatic telescopic rod 3;

[0055] Then, the other end of the display can be clamped inside the remaining two limit bins 401;

[0056] Step 3: After the display is placed horizontally, it is transported along the driving rail 6 by the limiting wheels 7 on the driving plate 5;

[0057] Step 4: After reaching the destination, press the display, first take one end of the display out of the limit slider 4, and then take the other end out of the limit slider 4.

[0058] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0059] Through the description of the above implementation methods, those skilled in the art can clearly understand that each implementation method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be implemented by hardware. Based on this understanding, the above technical solution is essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or some parts of the embodiments.

[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A limiting device for roller conveying of TFT display glass, comprising a limiting bracket (1) and a compression air bag (2) fixedly arranged in the middle of the limiting bracket (1), characterized in that: The bottom of the compressed air bag (2) is connected to a plurality of pneumatic telescopic rods (3), the pneumatic telescopic rods (3) are in communication with the interior of the compressed air bag (2), a brake piston rod (301) is fixedly arranged inside the pneumatic telescopic rod (3), an output end of the brake piston rod (301) is connected to a limit slider (4), a plurality of the limit sliders (4) are provided with displays inside, and the limit sliders (4) are slidably arranged on the limit bracket (1); The upper end of the limit slider (4) is provided with a limit bin (401), and the limit bin (401) is clamped at the corner of the display, wherein when the compressed air bag (2) is pressed by the display, the pneumatic telescopic rod (3) pushes the limit slider (4) toward the outside of the limit bracket (1) to clamp the display; The limiting bracket (1) is connected to a plurality of limiting support arms (105), the limiting slider (4) is slidably arranged on the limiting support arm (105), an end of the limiting support arm (105) away from the compression airbag (2) is fixedly provided with a driving plate (5) via a driving plate mounting block (103), a driving rail (6) is arranged at the bottom of the driving plate (5), and the driving plate (5) is rollingly arranged inside the driving rail (6); A limiting block slide groove (101) is provided in the middle of the limiting bracket (1), an airbag mounting block (201) is connected to the bottom of the compression airbag (2), and the airbag mounting block (201) is fixedly arranged inside the limiting block slide groove (101); One end of the pneumatic telescopic rod (3) is connected to a vent pipe (202), the vent pipe (202) is in communication with the interior of the airbag mounting block (201), and one end of the pneumatic telescopic rod (3) is fixedly provided with a telescopic rod fixing block (203), the telescopic rod fixing block (203) being fixedly provided at the bottom of the limiting bracket (1); A guide slider (402) is connected to the bottom of the limit slider (4), the guide slider (402) is fixedly connected to the brake piston rod (301), and rubber rings (403) are fixedly provided on the upper and lower side surfaces inside the limit bin (401); A sponge buffer layer (407) is fixedly provided on the peripheral side surface of the limiting bin (401), and the sponge buffer layer (407) abuts against the display; A guide rod limit block (405) is fixedly arranged on one side of the guide slider (402) on the limit bracket (1); a guide rod (404) slidably connected to the guide rod limit block (405) is fixedly arranged on the guide slider (402); a first spring (406) is arranged between the guide rod (404) and the guide slider (402); the first spring (406) is sleeved on the guide rod (404); An airbag installation groove (102) is provided on the position-limiting support arm (105), and the guide slider (402) is slidably arranged inside the airbag installation groove (102).

2. A limiting device for roller conveying of TFT display glass according to claim 1, characterized in that: One end of the brake piston rod (301) is connected to a brake piston (302), the brake piston (302) is slidably arranged inside the pneumatic telescopic rod (3), and a piston limit block (303) is arranged at the end of the pneumatic telescopic rod (3), and the piston limit block (303) is used to limit the brake piston (302).

3. A limiting device for roller conveying of TFT display glass according to claim 1, characterized in that: The bottom side of the driving plate (5) is connected to symmetrically distributed driving motor fixing plates (501), a plurality of limiting wheels (7) are rotatably arranged between the two driving motor fixing plates (501), a driving groove (601) is provided on the driving rail (6), and the limiting wheels (7) are rollingly arranged inside the driving groove (601).

4. The limiting device for roller conveying of TFT display glass according to claim 1, characterized in that: A buffer pillar (502) is fixedly provided on the upper side of the driving plate (5), and a pillar limiting plate (503) is connected to the buffer pillar (502); A buffer groove (104) is provided inside the driving plate mounting block (103); the buffer pillar (502) passes through the driving plate mounting block (103) and extends into the buffer groove (104); a second spring (504) is provided between the pillar limiting plate (503) and the buffer groove (104); the second spring (504) is sleeved on the buffer pillar (502).

5. The limiting device for roller conveying of TFT display glass according to claim 3, characterized in that: The limiting wheel (7) comprises a motor rotor (701) and a motor stator (702); the motor stator (702) is fixedly arranged on the driving plate (5); and a rubber damping ring is fixedly arranged on the outer side surface of the motor rotor (701).

6. The limiting device for roller conveying of TFT display glass according to claim 1, characterized in that: A third spring (8) is fixedly arranged inside the compression airbag (2), and the third spring (8) abuts against the inner side surface of the compression airbag (2).

7. A method for using a limiting device for roller transmission of TFT display glass, characterized in that: The limiting device for roller conveying of TFT display glass according to claim 1 is used, comprising the following steps: Step 1: First, place the device directly on the driving rail (6), and place the limiting wheel (7) inside the driving groove (601), ensuring that the limiting wheel (7) runs smoothly; Step 2: Insert the two pins at one end of the display into the two limit positions (401) respectively, and then slowly place the display; The display squeezes the compressed air bag (2) in the middle of the limit bracket (1), so that the limit slider (4) moves to both ends under the action of the pneumatic telescopic rod (3); Then, the other end of the display is clamped inside the remaining two limit positions (401); Step 3: After the display is placed horizontally, it is transported along the driving rail (6) by the limiting wheels (7) on the driving plate (5); Step 4: After reaching the destination, press the display, first remove one end of the display from the limit slider (4), and then remove the other end from the limit slider (4).

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