CN113305227A

CN113305227A - Computer display LED backplate punching press automatic production line material feeding unit

Info

Publication number: CN113305227A
Application number: CN202110451604.8A
Authority: CN
Inventors: 尹文政; 朱震荣; 尹小明; 李俊
Original assignee: Chongqing Tongcan Electronics Co ltd
Current assignee: Chongqing Tongcan Electronics Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-08-27

Abstract

The invention discloses a feeding device of an automatic production line for punching an LED backboard of a computer display, which comprises a base, a fixed disc and a fixed plate, wherein an installation seat is installed at the top of the base, a fixed frame is installed at the top of the base, the fixed disc is installed at the top of the base and is positioned behind the installation seat, a driving box is installed at the top of the fixed disc, a rotating rod is installed at the output end of the driving box, a connecting rod is installed at one side of the rotating rod, a first connecting plate is installed at the bottom of the connecting rod, a telescopic rod is installed at the top of the first connecting plate, the fixed plate is installed at the output end of the telescopic rod, a fixed rod is installed at the top of the fixed plate, and a second connecting plate is installed at the top end of the fixed rod. According to the invention, the cleaning device is arranged at the top of the protection plate, and the rotating motor in the cleaning device can convert electric energy into kinetic energy and drive the fan to rotate, so that foreign matters on the surface of the back plate can be cleaned.

Description

Computer display LED backplate punching press automatic production line material feeding unit

Technical Field

The invention relates to the technical field of LED backboard stamping, in particular to a feeding device of an automatic production line for stamping an LED backboard of a computer display.

Background

The computer display is a display tool which displays the document on a screen through a transmission device and reflects the document to human eyes, the display structure is composed of an LED backboard, the display provides the light-emitting effect through the LED backboard, the LED backboard needs to be punched and processed through a punching device when being processed, the punching is to apply external force to plates, strips, pipes, profiles and the like by a press machine and a die to cause the plates, the strips, the pipes, the profiles and the like to generate plastic deformation or separation, thereby obtaining the forming processing method of the punching piece with the required shape and size, compared with castings and forgings, the punching piece has the characteristics of thinness, lightness and strength, the punching can manufacture the workpieces with reinforcing ribs or turnups which are difficult to manufacture by other methods so as to improve the rigidity of the workpieces, an automatic feeding device needs to feed the punching device on a punching automatic production line, and the traditional feeding device needs to manually feed the material, accidents may occur, so that the feeding personnel are injured and the like, which is very unsafe, and the life safety of the working personnel cannot be ensured.

The existing feeding device of the automatic punching production line has the defects that:

1. traditional punching press automatic production line material feeding unit single structure need carry out the pay-off through the manual work to can lead to the staff to receive the injury.

2. Traditional punching press automatic production line material feeding unit does not install the tally function, and the staff of being inconvenient for knows the quantity of pay-off.

3. Traditional punching press automatic production line material feeding unit does not have the clearance function of backplate, can lead to the surface at the back to have the foreign matter to influence stamping device's punching press effect.

4. Traditional punching press automatic production line material feeding unit does not install limit structure, and when the backplate was placed and is transmitted at the transmission shaft, the epaxial backplate of transmission probably was placed untiely again, influences punching press efficiency.

Disclosure of Invention

The invention aims to provide a feeding device of an automatic production line for punching an LED backboard of a computer display, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a feeding device of an automatic production line for stamping a computer display LED backboard comprises a base, a fixed disc and a fixed plate, wherein a mounting seat is installed at the top of the base, a fixed frame is installed at the top of the base, the fixed disc is installed at the top of the base and is positioned behind the mounting seat, a driving box is installed at the top of the fixed disc, a rotating rod is installed at the output end of the driving box, a connecting rod is installed at one side of the rotating rod, a first connecting plate is installed at the bottom of the connecting rod, a telescopic rod is installed at the top of the first connecting plate, a fixed plate is installed at the output end of the telescopic rod, a fixed rod is installed at the top of the fixed plate, a second connecting plate is installed at the top end of the fixed rod, a sealing box is installed at the bottom of the second connecting plate, a supporting column is installed at the top of the base and is positioned behind the fixed disc, the backup pad is installed on the top of support column, the guard plate is installed at the top of backup pad, the fixed block is installed at the top of guard plate, the mounting bracket is installed at the top of guard plate.

Preferably, the mounting panel is installed through bolt symmetric distribution in the top of mount pad, and the spout has been seted up to the inboard of mounting panel, and the counter is installed at the top of mounting panel, and the display screen is installed to one side of mounting panel.

Preferably, the internally mounted of mount has the pneumatic cylinder, and the pneumatic rod is installed to the output of pneumatic cylinder, and the bottom plate is installed on the top of pneumatic rod, and the both sides movable mounting of bottom plate is in the inboard of spout, and the top of bottom plate is installed and is stored the box.

Preferably, the bottom of the fixing plate is provided with a sucker.

Preferably, the top of second connecting plate is passed through the bolt and is installed the pneumatic cylinder, and the hydraulic stem is installed to the output of pneumatic cylinder, and the inner wall of second connecting plate is run through to the hydraulic stem, and the bottom of hydraulic stem is installed and is removed the piece, and removes the inside that the piece is located the enclosure.

Preferably, the bottom of the closure is provided with a connecting tube.

Preferably, driving motor is installed through the bolt in one side of guard plate, and driving motor's output runs through the inner wall of guard plate, driving motor's output is installed and is rotated the wheel, and the outside cover that rotates the wheel has the belt, rotates one side of wheel and installs the axis of rotation.

Preferably, the installation pole is installed to the inboard of fixed block, and the limiting plate is installed to the one end of installation pole.

Preferably, the top of mounting bracket is installed fixed box through the bolt, and the rotation motor is installed through the mounting in the inside of fixed box, rotates the output of motor and installs the fan, and the play tuber pipe is installed to the bottom of fixed box, and goes out the inner wall that the tuber pipe runs through the mounting bracket, and fixed pipe is installed to the bottom of going out the tuber pipe, and the bottom of fixed pipe is installed out the wind head.

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

1. according to the automatic feeding device, the pneumatic cylinder is mounted at the top of the mounting seat and can convert pneumatic energy into kinetic energy, the storage box at the output end can be moved, the back plate to be processed is placed in the storage box, when the back plate rises to a certain height, the suction device is driven to rotate by the driving box, when the suction device rotates to the position above the back plate, the telescopic rod stretches and retracts, the suction disc moves downwards, the back plate is sucked by the suction force of the suction disc, the back plate rotates to the position above the rotating shaft through rotation, the back surface is placed at the top of the rotating shaft, and the driving motor drives the rotating shafts to rotate, so that the back plate can move, the automatic feeding effect is achieved, manpower is not wasted, and injury to workers is not caused.

2. According to the invention, the counter is arranged at the top of the mounting plate, the counter can play a role in counting the backboard, the counter can record when the suction device sucks the backboard each time, the counter is electrically connected with the display screen, and the number of the backboard detected by the counter can be displayed through the display screen, so that a worker can know the number of the backboard to be processed, and the worker can conveniently work.

3. According to the invention, the cleaning device is arranged at the top of the protection plate, electric energy can be converted into kinetic energy through the rotating motor in the cleaning device, the fan can be driven to rotate, gas can be discharged from the inside of the air outlet head when the fan rotates, and the air outlet head is positioned above the back plate, so that foreign matters on the surface of the back plate can be cleaned, the punching effect of the back plate during punching is better, and the punching of the punching device cannot be influenced by the foreign matters.

4. According to the invention, the limiting device is arranged at the top of the protection plate, the limiting plate of the limiting device is positioned above the rotating shaft, when the back plate above the rotating shaft is transported, the back plate passes through the limiting plate, and the position of the back plate can be adjusted through the limiting plate, so that the back plate can be accurately transported to the punching device for punching.

Drawings

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

FIG. 2 is a schematic view of a storage case according to the present invention;

FIG. 3 is a schematic view of the driving box of the present invention;

FIG. 4 is a schematic view of the driving motor structure of the present invention;

FIG. 5 is a schematic view of the hydraulic cylinder of the present invention;

FIG. 6 is a schematic structural view of a fixing case according to the present invention;

FIG. 7 is a schematic view of the structure of the protection plate of the present invention;

fig. 8 is a schematic diagram of a limiting plate structure according to the present invention.

In the figure: 1. a base; 101. a mounting seat; 102. mounting a plate; 103. a chute; 104. a display screen; 105. a counter; 2. a fixed mount; 201. a pneumatic cylinder; 202. a pneumatic rod; 203. a base plate; 204. a storage box; 3. fixing the disc; 301. a drive box; 302. rotating the rod; 303. a connecting rod; 304. a first connecting plate; 305. a telescopic rod; 4. a fixing plate; 401. a suction cup; 5. fixing the rod; 501. a second connecting plate; 502. a hydraulic cylinder; 503. a hydraulic lever; 504. moving the sheet; 6. a closure box; 601. a connecting pipe; 7. a support pillar; 701. a support plate; 702. a protection plate; 703. a drive motor; 704. a rotating wheel; 705. a rotating shaft; 706. a belt; 8. a fixed block; 801. mounting a rod; 802. a limiting plate; 9. a mounting frame; 901. a fixing box; 902. rotating the motor; 903. a fan; 904. an air outlet pipe; 905. a fixed tube; 906. an air outlet head.

Detailed Description

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

Referring to fig. 1-8, an embodiment of the present invention: a feeding device of an automatic production line for punching an LED backboard of a computer display comprises a base 1, a fixed disc 3 and a fixed plate 4, wherein the top of the base 1 is provided with an installation seat 101, the top of the base 1 is provided with a fixed frame 2, the fixed frame 2 is positioned between installation plates 102, the top of the base 1 is provided with the fixed disc 3, the fixed disc 3 is positioned behind the installation seat 101, the top of the fixed disc 3 is provided with a driving box 301, the output end of the driving box 301 is provided with a rotating rod 302, one side of the rotating rod 302 is provided with a connecting rod 303, the bottom of the connecting rod 303 is provided with a first connecting plate 304, the top of the first connecting plate 304 is provided with an expansion rod 305, the base 1 provides an installation position for the feeding device at the top and can connect the device at the top, so that the feeding device is convenient for workers to use and carry, the installation seat 101 provides installation positions for the installation plates 102 and a pneumatic cylinder 201, the fixing frame 2 provides an installation position for the pneumatic cylinder 201, so that the pneumatic cylinder 201 is more stable during operation, the fixing disc 3 provides an installation position for the driving box 301, the contact area between the driving box 301 and the base 1 is increased, the driving box 301 is more stable during operation, the driving box 301 can convert electric energy into kinetic energy, power is provided for the rotating rod 302, the rotating rod 302 can rotate, the rotating rod 302 provides an installation position for the connecting rod 303, the connecting rod 303 can be driven to rotate, the connecting rod 303 plays a role in connection, the first connecting plate 304 can be connected with the rotating rod 302, the first connecting plate 304 provides an installation position for the telescopic rod 305, so that the telescopic rod 305 can be installed, the telescopic rod 305 can be stretched and contracted for the electric telescopic rod 305, the fixing plate 4 is installed at the bottom end of the telescopic rod 305, the fixing plate 4 can be driven to move, and power is provided for the movement of the fixing plate 4, the output end of the telescopic rod 305 is provided with a fixing plate 4, the top of the fixing plate 4 is provided with a fixing rod 5, the top end of the fixing rod 5 is provided with a second connecting plate 501, the bottom of the second connecting plate 501 is provided with a sealing box 6, the fixing plate 4 provides a mounting position for the sucker 401, the sucker 401 can suck the backboard so as to enable the backboard to move for feeding, the fixing rod 5 provides a mounting position for the second connecting plate 501 so as to enable the second connecting plate 501 to be mounted, the height of the second connecting plate 501 is increased, the second connecting plate 501 provides a mounting position for the sealing box 6, the sealing box 6 moves inside through a moving sheet 504 so as to enable the inside of the sealing box 6 to generate pressure, the sucker 401 can deform to generate suction, the top of the base 1 is provided with a supporting column 7, the supporting column 7 is positioned behind the fixed disk 3, and the top end of the supporting column 7 is provided with a supporting plate 701, guard plate 702 is installed at the top of backup pad 701, fixed block 8 is installed at the top of guard plate 702, mounting bracket 9 is installed at the top of guard plate 702, support column 7 plays the effect of support, provide the mounted position for backup pad 701, also increase the height of backup pad 701, backup pad 701 provides the mounted position for guard plate 702, guard plate 702 plays the effect of protection, prevent that the staff from touching inside axis of rotation 705 that is moving, cause the injury to the staff, fixed block 8 provides the mounted position for installation pole 801, make installation pole 801 can install, mounting bracket 9 provides the mounted position for the cleaning device at top, driving motor 703 can turn into kinetic energy with the electric energy after the circular telegram, provide power for material feeding unit, can drive and rotate wheel 704 and rotate.

Further, mounting panel 102 is installed through bolt symmetric distribution in the top of mount pad 101, spout 103 has been seted up to mounting panel 102's inboard, counter 105 is installed at mounting panel 102's top, display screen 104 is installed to one side of mounting panel 102, mounting panel 102 plays stable effect, make bottom plate 203 more stable when ascending or whereabouts, the condition of shake can not appear, spout 103 provides the effect for the slip of bottom plate 203, make bottom plate 203 more smooth and easy when sliding, counter 105 can play the effect of count to the backplate, when suction means absorbs at every turn, counter 105 all can carry out the record, counter 105 and display screen 104 electric connection, the backplate quantity that counter 105 detected can show through display screen 104, thereby make the staff know the quantity of processing backplate, make things convenient for the staff to work.

Further, the pneumatic cylinder 201 is installed inside the fixing frame 2, the pneumatic rod 202 is installed at the output end of the pneumatic cylinder 201, the bottom plate 203 is installed at the top end of the pneumatic rod 202, two sides of the bottom plate 203 are movably installed on the inner side of the sliding groove 103, the storage box 204 is installed at the top of the bottom plate 203, the pneumatic cylinder 201 can convert air pressure energy into kinetic energy to provide power for the up-and-down movement of the backboard, the pneumatic rod 202 can extend and retract, the pneumatic rod 202 provides an installation position for the bottom plate 203, the bottom plate 203 can be installed, the bottom plate 203 can move to provide power for the movement of the bottom plate 203, the bottom plate 203 provides an installation position for the storage box 204, the storage box 204 can be installed, the storage box 204 can be driven to move by the movement of the bottom plate 203, the backboard can be placed by the storage box 204, the backboard inside can be moved by the movement of the storage box 204, and the feeding device can absorb and move the backboard conveniently, so that the feeding device can feed the back plate.

Further, sucking disc 401 is installed to the bottom of fixed plate 4, and sucking disc 401 can deform under the condition of having pressure to adsorb the backplate, make the backplate can fix and remove on the mobile device, when the backplate removed appointed position, the change of rethread pressure made sucking disc 401 produce deformation, made the backplate drop on the top of axis of rotation 705 and transmitted.

Further, pneumatic cylinder 502 is installed through the bolt in the top of second connecting plate 501, hydraulic stem 503 is installed to the output of hydraulic cylinder 502, and hydraulic stem 503 runs through the inner wall of second connecting plate 501, removal piece 504 is installed to the bottom of hydraulic stem 503, and removal piece 504 is located the inside of box 6, hydraulic cylinder 502 can convert hydraulic energy into kinetic energy, deformation and provide pressure for sucking disc 401, can drive hydraulic stem 503 and remove, provide power for the removal of hydraulic stem 503, hydraulic stem 503 provides the mounted position for removal piece 504, make removal piece 504 can install, can drive removal piece 504 and remove in the inside of box 6, it can generate pressure to remove in the inside of box 6 through removal piece 504, make sucking disc 401 produce deformation.

Further, a connecting pipe 601 is installed at the bottom of the enclosure box 6, the connecting pipe 601 plays a role of connection, pressure generated in the enclosure box 6 can be transmitted to the suction cup 401 through the connecting pipe 601, and the suction cup 401 can be deformed under the influence of the pressure.

Further, a driving motor 703 is installed on one side of the protection plate 702 through a bolt, an output end of the driving motor 703 penetrates through the inner wall of the protection plate 702, a rotating wheel 704 is installed on the output end of the driving motor 703, a belt 706 is sleeved on the outer side of the rotating wheel 704, a rotating shaft 705 is installed on one side of the rotating wheel 704, the driving motor 703 can convert electric energy into kinetic energy after being electrified to provide power for the transmission device, can drive and rotate wheel 704 and rotate, it can rotate to rotate wheel 704, the rotation through rotating wheel 704 can drive the belt 706 in the outside and rotate, rotation for belt 706 provides power, belt 706 plays the effect of connecting, can connect a plurality of rotation wheels 704, make a plurality of rotation wheels 704 all can rotate, axis of rotation 705 can make the backplate transmit when rotating, transmission for the backplate provides power, make the backplate can be transmitted and carry out the punching press in the stamping device.

Further, installation pole 801 is installed to the inboard of fixed block 8, limiting plate 802 is installed to the one end of installation pole 801, installation pole 801 provides the mounted position for limiting plate 802, make limiting plate 802 can install, limiting plate 802 plays spacing effect, stop device's limiting plate 802 is located the top of axis of rotation 705, the backplate when axis of rotation 705 top can pass through limiting plate 802 when the transportation, can just the position of backplate through limiting plate 802, make transportation that the backplate can be accurate carry out the punching press in the stamping device.

Further, a fixed box 901 is installed on the top of the mounting frame 9 through bolts, a rotating motor 902 is installed inside the fixed box 901 through a fixing piece, a fan 903 is installed at the output end of the rotating motor 902, an air outlet pipe 904 is installed at the bottom of the fixed box 901 and penetrates through the inner wall of the mounting frame 9, a fixed pipe 905 is installed at the bottom end of the air outlet pipe 904, an air outlet head 906 is installed at the bottom end of the fixed pipe 905, the fixed box 901 provides an installation position for the rotating motor 902, so that the rotating motor 902 can be installed and also provides a storage space for air, the rotating motor 902 can convert electric energy into kinetic energy after being electrified to provide power for a cleaning device, so that the fan 903 can rotate, the fan 903 can suck external air into the fixed box 901 when rotating, then the air is discharged from the air outlet pipe 904 through the rotation of the fan 903, and a space is provided for the flowing and transmission of the air, the air outlet pipe 904 provides a space for the flowing of air, so that the air can enter the fixed pipe 905, the fixed pipe 905 provides a mounting position for the air outlet head 906, the air outlet head 906 can discharge the air, the air outlet head 906 can be mounted, the air is discharged through the air outlet head 906, the surface of the back plate can be cleaned, the stamping effect of the back plate during stamping is better, and the stamping device cannot be impacted by foreign matters to perform stamping.

The working principle is as follows: before using the feeding device of the automatic production line for stamping the LED backboard, whether the feeding device of the automatic production line for stamping the LED backboard affects the use or not is checked, firstly, the backboard to be stamped is placed in the storage box 204, the storage box 204 is driven by the air pressure device to move, the backboard can be driven to move by the movement of the storage box 204, so that the feeding device can conveniently carry out feeding work, then the rotating rod 302 is driven by the driving box 301 to rotate, the feeding device is arranged at one side of the rotating rod 302, so that the feeding device can be driven to rotate, the backboard is adsorbed by the sucker 401, the hydraulic cylinder 502 can convert hydraulic energy into kinetic energy, the moving piece 504 can be driven to move in the closed box 6, so that the sucker 401 can generate pressure to deform, when the sucker 401 moves to the top of the transmission device, the movable piece 504 is moved downwards through the hydraulic device, so that the back plate on the sucker 401 can fall, the back plate can fall onto the rotating shaft 705 due to gravity, the back plate can move through the rotating shaft 705, the back plate can move onto the punching device for punching, the back plate can pass through the limiting device when being transmitted on the rotating shaft 705, the position of the back plate transmitted on the rotating shaft 705 can be limited through the limiting plate 802 on the limiting device, the back plate can enter the punching device in an accurate direction and angle, meanwhile, the back plate can also pass through the cleaning device, electric energy can be converted into kinetic energy through the rotating motor 902 in the cleaning device, the fan 903 can be driven to rotate, the air can be discharged from the inside of the air outlet head 906 when the fan 903 rotates, therefore, foreign matters on the surface of the back plate can be cleaned, the punching device cannot be influenced by the foreign matters to punch, still install counter 105 at the top of mounting panel 102 simultaneously, can play the effect of count to the backplate through counter 105, when suction means absorbs at every turn, counter 105 all can take notes, counter 105 and display screen 104 electric connection, the backplate quantity that counter 105 detected can show through display screen 104 to make the staff know the quantity of processing the backplate, make things convenient for the staff to work.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides a computer display LED backplate punching press automatic production line material feeding unit, includes base (1), fixed disk (3) and fixed plate (4), its characterized in that: the mounting seat (101) is installed at the top of the base (1), the fixing frame (2) is installed at the top of the base (1), the fixed disc (3) is located behind the mounting seat (101), the driving box (301) is installed at the top of the fixed disc (3), the rotating lever (302) is installed at the output end of the driving box (301), the connecting rod (303) is installed at one side of the rotating lever (302), the first connecting plate (304) is installed at the bottom of the connecting rod (303), the telescopic rod (305) is installed at the top of the first connecting plate (304), the fixing plate (4) is installed at the output end of the telescopic rod (305), the fixing rod (5) is installed at the top of the fixing plate (4), the second connecting plate (501) is installed at the top end of the fixing rod (5), the sealing box (6) is installed at the bottom of the second connecting plate (501), support column (7) are installed at the top of base (1), and support column (7) are located the rear of fixed disk (3), backup pad (701) are installed on the top of support column (7), guard plate (702) are installed at the top of backup pad (701), fixed block (8) are installed at the top of guard plate (702), mounting bracket (9) are installed at the top of guard plate (702).

2. The feeding device of the computer display LED backboard punching automatic production line according to claim 1, characterized in that: the top of mount pad (101) is installed mounting panel (102) through bolt symmetric distribution, and spout (103) have been seted up to the inboard of mounting panel (102), and counter (105) are installed at the top of mounting panel (102), and display screen (104) are installed to one side of mounting panel (102).

3. The feeding device of the computer display LED backboard punching automatic production line according to claim 1, characterized in that: the inside mounting of mount (2) has pneumatic cylinder (201), and pneumatic rod (202) are installed to the output of pneumatic cylinder (201), and bottom plate (203) are installed on the top of pneumatic rod (202), and the both sides movable mounting of bottom plate (203) is in the inboard of spout (103), and storage box (204) are installed at the top of bottom plate (203).

4. The feeding device of the computer display LED backboard punching automatic production line according to claim 1, characterized in that: and a sucker (401) is arranged at the bottom of the fixing plate (4).

5. The feeding device of the computer display LED backboard punching automatic production line according to claim 1, characterized in that: pneumatic cylinder (502) are installed through the bolt in the top of second connecting plate (501), and hydraulic stem (503) are installed to the output of pneumatic cylinder (502), and hydraulic stem (503) run through the inner wall of second connecting plate (501), and removal piece (504) are installed to the bottom of hydraulic stem (503), and remove piece (504) and be located the inside of seal box (6).

6. The feeding device of the computer display LED backboard punching automatic production line according to claim 1, characterized in that: the bottom of the closing box (6) is provided with a connecting pipe (601).

7. The feeding device of the computer display LED backboard punching automatic production line according to claim 1, characterized in that: driving motor (703) are installed through the bolt in one side of guard plate (702), and the inner wall of guard plate (702) is run through to the output of driving motor (703), rotating wheel (704) is installed to the output of driving motor (703), and the outside cover of rotating wheel (704) has belt (706), and axis of rotation (705) are installed to one side of rotating wheel (704).

8. The feeding device of the computer display LED backboard punching automatic production line according to claim 1, characterized in that: the inboard of fixed block (8) is installed installation pole (801), and limiting plate (802) are installed to the one end of installation pole (801).

9. The feeding device of the computer display LED backboard punching automatic production line according to claim 1, characterized in that: fixed box (901) are installed through the bolt in the top of mounting bracket (9), and the inside of fixed box (901) is installed through the mounting and is rotated motor (902), and fan (903) are installed to the output of rotating motor (902), and play tuber pipe (904) are installed to the bottom of fixed box (901), and go out tuber pipe (904) and run through the inner wall of mounting bracket (9), and play bottom of tuber pipe (904) is installed and is fixed pipe (905), and the bottom of fixed pipe (905) is installed out tuber head (906).