Automatic plate feeding device

Abstract

This invention relates to the field of sheet material feeding devices, and discloses an automatic sheet material feeding device, including a base, a conveyor belt, and sheet materials. A feeding mechanism is provided on the top of the base, comprising a drive sleeve that can rotate under external force; a fixing ring welded to the top of the drive sleeve; and a robotic arm with a telescopic column at its end. A suction cup is fixedly connected to the bottom of the telescopic column, and the suction cup can generate a vacuum to hold the sheet material. This invention uses the rotation of the drive sleeve to rotate the robotic arm, allowing the sheet material to move. When a vacuum is generated inside the suction cup, the sheet material can be held, and then rotated to a stop on the conveyor belt. At this time, the internal pressure of the suction cup is the same as the external pressure, and the sheet material falls onto the conveyor belt, achieving the effect of automatic feeding.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of plate feeding device, in particular to a plate feeding device with automatic material taking. BACKGROUND

[0002] The prior art Chinese patent discloses a plate feeding device, the patent number is: CN109552833B, the patent includes an upper mounting frame and a lower mounting frame, the upper mounting frame is provided with a plurality of transmission rollers parallel to each other and at least two guide assemblies; The lower mounting frame is provided with an edge detection mechanism and a deviation correction mechanism; The edge detection mechanism is displayed by an infrared emitter and an infrared receiver, and the deviation correction mechanism is realized by a lifting deviation adjusting part, the outer wall surface of the deviation adjusting part is a conical surface, so that the plate is pushed during the lifting process, thereby adjusting the deviation of the plate. The device has reasonable structure, can realize automatic, efficient and real-time deviation correction of the plate, and provides guarantee for high precision of subsequent processing program.

[0003] The prior art has the following problems: in the two operation steps of grabbing the plate and placing the plate, the opening and closing of the clamping jaw are usually controlled by hydraulic assistance or electric assistance to clamp or place the plate, which requires a controller for control, and the electric control system is prone to failure. SUMMARY

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the present application provides a plate feeding device with automatic material taking to solve the problems in the background art.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the present application provides the following technical scheme: a plate feeding device with automatic material taking, comprising a base, a conveyor belt and a plate, the top of the base is provided with a feeding mechanism, the feeding mechanism comprises:

[0008] A drive sleeve that can rotate under external force driving; and

[0009] A fixed ring welded on the top of the drive sleeve; and

[0010] A mechanical arm provided with an extension column at the end, the bottom of the extension column is fixedly connected with a suction cup, the suction cup can generate vacuum and suck the plate;

[0011] The mechanical arm is rotated by rotating the driving sleeve, the plate is moved, the plate is sucked when the vacuum is generated in the suction cup, then the plate is rotated 180 degrees and stopped on the conveying belt, at this time, the internal pressure of the suction cup is the same as the external pressure, the plate falls on the conveying belt, and the effect of automatic material taking and feeding is achieved.

[0012] Preferably, the middle part of the driving sleeve is provided with a fixed column, the fixed column is welded on the top of the base, the driving sleeve is rotationally connected with the outer wall of the fixed column, the bottom of the driving sleeve is welded with a first gear, the side of the first gear is provided with a driving gear in meshing mode, and the top of the driving gear is fixedly installed with a motor.

[0013] The motor drives the driving gear to rotate, then the driving gear drives the first gear to rotate in meshing mode, so that the driving sleeve rotates, and then the four mechanical arms rotate simultaneously.

[0014] Preferably, the end of the mechanical arm is provided with a sliding opening, the middle part of the telescopic column is slidably connected with the sliding opening, and the outer wall of the telescopic column is further sleeved with a first spring.

[0015] Preferably, the bottom end of the first spring is connected with a wire, the other end of the wire is connected with a conductive block, one end of the conductive block is provided with a sliding block, and the sliding block is connected with an electric wire.

[0016] When the current is generated on the first spring, since the current directions in each turn of the spring are the same, according to the mutual attraction between the currents in the same direction, each turn of the spring is attracted to the adjacent spring, so that the spring as a whole shrinks, thereby causing the telescopic column to descend.

[0017] Preferably, the lower half of the telescopic column is provided with a sliding cavity, the inside of the sliding cavity is sealingly and slidably connected with a piston block, the top of the piston block is welded with a second spring between the upper inner wall of the sliding cavity, the top end of the second spring is electrically connected with the top of the second spring through a wire, and the bottom end of the second spring is grounded.

[0018] When the current is generated on the first spring, the second spring is connected in series with the first spring, so the second spring also has current and shrinks, when the second spring shrinks, the piston block is driven to move upward, thereby generating a vacuum in the sliding cavity, so that the suction cup can suck the plate.

[0019] Preferably, the bottom of the telescopic column is welded to the top of a suction cup, the inside of the suction cup is hollow, the bottom of the suction cup is provided with an air suction hole communicating with the inside of the suction cup, the bottom of the suction cup is further attached with a sealing ring made of fluororubber or silicone rubber, and the top of the telescopic column is provided with a through hole communicating with the inside of the sliding cavity.

[0020] Preferably, the bottom of the sliding block is welded to a limiting block which is slidingly connected to the top of the mechanical arm.

[0021] Preferably, the fixing ring comprises a gradually-high section a, a high section b, a gradually-low section c and a low section d, and the gradually-low section c is located above the conveying belt.

[0022] The sliding block and the conductive block located on one side of the gradually-high section a are close to each other, at this time, the current passes through the first spring and the second spring and makes them contract.

[0023] The sliding block and the conductive block located on one side of the gradually-low section c are away from each other, the electric circuit is cut off, at this time, the first spring and the second spring have no current passing through, and they return to the original state.

[0024] Preferably, the right side of the top of the base is provided with a foreign matter removing mechanism which plays a role of cleaning the bottom of the plate, and the foreign matter removing mechanism comprises:

[0025] a collecting box, one end of the collecting box is provided with a sewage discharge port, and

[0026] a sewage inlet, two brush rollers are installed in the middle of the sewage inlet, both ends of the brush rollers are rotatably connected to the inner wall of the collecting box through bearings, and the brush rollers can rotate under the driving of a driving device.

[0027] Preferably, the driving device comprises:

[0028] second gears, which are welded to one end of the two brush rollers and mesh with each other, and

[0029] a third gear, which is rotatably installed on the outer wall of the collecting box, meshes with one of the second gears, and one end of the third gear is welded to a first bevel gear.

[0030] The top of the first bevel gear is meshed with a second bevel gear, the bottom of the second bevel gear is welded to a fourth gear, and a fifth gear is meshed on one side of the fourth gear, and the fifth gear meshes with the first gear.

[0031] Through the action of the above driving device, when the motor drives the first gear to rotate, the two brush rollers can be driven to rotate at the same time, and then bristles are further arranged on the brush rollers, the bristles contact the bottom of the plate to brush off the impurities, so that the bottom of the plate remains clean, facilitating subsequent processing.

[0032] Compared with the prior art, the plate feeding device of the application has the following beneficial effects:

[0033] 1、The mechanical arm is rotated by rotating the driving sleeve, so that the plate can be moved, and when the vacuum is generated in the suction cup, the plate can be sucked, and then the rotation is stopped on the conveying belt, at this time the internal pressure of the suction cup is the same as the external pressure, and the plate falls on the conveying belt, achieving the effect of automatic feeding.

[0034] 2、The motor drives the driving gear to rotate, and then the driving gear meshes with the first gear to drive it to rotate, so that the driving sleeve rotates, and then the four mechanical arms rotate at the same time, and when the first spring generates current, since the current direction in each turn of the spring is the same, according to the mutual attraction between the same direction current, each turn of the spring is attracted to the adjacent spring, so that the spring shrinks as a whole, so that the telescopic column descends, thereby achieving the effect of adsorbing the plate.

[0035] 3、When the first spring generates current, the second spring is connected in series with the first spring, so the second spring also has current and shrinks, and when the second spring shrinks, the piston block moves upward, so that the vacuum is generated in the sliding cavity, so that the suction cup can suck the plate.

[0036] 4、The motor drives the driving sleeve to rotate, the sliding block is in the high section b, when rotating to the gradually low section c, the sliding block and the conductive block are separated, the electric circuit is cut off, the first spring and the second spring return to the original state, the plate naturally falls, achieving the effect of feeding, and the driving sleeve rotates one quarter of a circle for each working stroke. DETAILED DESCRIPTION

[0037] Figure 1 It is a schematic diagram of the three-dimensional structure of the application;

[0038] Figure 2 It is a partial sectional view of the mechanical arm of the application;

[0039] Figure 3 It is a partial sectional view of the mechanical arm of the application;

[0040] Figure 4 It is a sectional view of the fixed ring and the driving sleeve of the application;

[0041] Figure 5 It is a top view of the application;

[0042] Figure 6 It is a top view of the fixed ring of the application;

[0043] Figure 7 It is a sectional view of the fixed ring of the application;

[0044] In the figure: 1 base, 2 conveyor belt, 3 plate, 4 feeding mechanism, 401 motor, 402 drive gear, 403 first gear, 404 drive sleeve, 405 fixed column, 406 fixed ring, 407 mechanical arm, 408 telescopic column, 410 wire, 411 conductive block, 412 sliding block, 414 limit block, 415 sliding cavity, 416 second spring, 417 piston block, 418 suction cup, 419 air suction hole, 420 sealing ring, 421 through hole, 5 impurity removal mechanism, 501 collection box, 502 pollution inlet, 503 brush roller, 504 pollution outlet, 505 second gear, 506 third gear, 507 first bevel gear, 508 fourth gear, 509 second bevel gear, 510 fifth gear. DETAILED DESCRIPTION

[0045] Example one:

[0046] Please refer to Figures 1-6 : An automatic plate feeding device, comprising a base 1, a conveyor belt 2 and a plate 3, the top of the base 1 is provided with a feeding mechanism 4, the feeding mechanism 4 comprises:

[0047] Drive sleeve 404, the drive sleeve 404 can rotate under external force;

[0048] Fixed ring 406, which is welded on the top of the drive sleeve 404;

[0049] Mechanical arm 407, the end of the mechanical arm 407 is provided with a telescopic column 408, the bottom of the telescopic column 408 is fixedly connected with a suction cup 418, the suction cup 418 can generate vacuum and suck the plate 3;

[0050] By rotating the drive sleeve 404, the mechanical arm 407 is rotated, and the plate 3 is moved. When the suction cup 418 generates vacuum, the plate 3 can be sucked, and then rotated 180 degrees to stay on the conveyor belt 2. At this time, the internal pressure of the suction cup 418 is the same as the external pressure, and the plate 3 falls on the conveyor belt 2, achieving the effect of automatic feeding.

[0051] The middle part of the drive sleeve 404 is provided with a fixed column 405, the fixed column 405 is welded on the top of the base 1, the drive sleeve 404 is rotatably connected with the outer wall of the fixed column 405, the bottom of the drive sleeve 404 is welded with a first gear 403, one side of the first gear 403 is meshed with a drive gear 402, the top of the drive gear 402 is fixedly installed with a motor 401, the motor 401 can drive the drive gear 402 to rotate;

[0052] By driving the drive gear 402 to rotate by the motor 401, then the drive gear 402 and the first gear 403 mesh to drive the first gear 403 to rotate, so that the drive sleeve 404 rotates, and then the four mechanical arms 407 rotate simultaneously.

[0053] The end of the mechanical arm 407 is provided with a sliding opening, the middle part of the telescopic column 408 is in sliding connection with the sliding opening, the outer wall of the telescopic column 408 is further sleeved with a first spring 409, the top of the first spring 409 is welded with the top of the telescopic column 408, and the bottom of the first spring 409 is welded with the top of the mechanical arm 407.

[0054] The bottom end of the first spring 409 is connected with a wire 410, the other end of the wire 410 is connected with a conductive block 411, one end of the conductive block 411 is provided with a sliding block 412, and the wire is connected to the sliding block 412; when the sliding block 412 is in contact with the conductive block 411, the circuit is conducted, so that the first spring 409 generates an electric current;

[0055] When the first spring 409 generates an electric current, since the current directions in each turn of the spring are the same, according to the mutual attraction between the currents in the same direction, each turn of the spring is attracted to the adjacent spring, so that the spring as a whole shrinks, thereby causing the telescopic column 408 to descend.

[0056] The lower half of the telescopic column 408 is internally provided with a sliding cavity 415, the inside of the sliding cavity 415 is in sealing sliding connection with a piston block 417, the top of the piston block 417 is welded with a second spring 416 between the upper inner wall of the sliding cavity 415, the top end of the second spring 416 is electrically connected with the top of the second spring 409 through a wire, and the bottom end of the second spring 416 is grounded;

[0057] When the first spring 409 generates an electric current, the second spring 416 is in series with the first spring 409, so the second spring 416 also has an electric current and shrinks, when the second spring 409 shrinks, the piston block 417 is driven to move upward, thereby causing a vacuum in the sliding cavity 415, so that the suction cup 418 can suck the plate 3.

[0058] The bottom of the telescopic column 408 is welded with the top of the suction cup 418, the inside of the suction cup 418 is hollow, the bottom of the suction cup 418 is provided with an air suction hole 419, the air suction hole 419 is in communication with the inside of the suction cup 418, the bottom of the suction cup 418 is further bonded with a sealing ring 420, the material of the sealing ring 420 is fluorine rubber or silicone rubber, and the top of the telescopic column 408 is provided with a through hole 421, the through hole 421 is in communication with the inside of the sliding cavity 415.

[0059] The bottom of the sliding block 412 is welded with a limiting block 414, and the limiting block 414 is in sliding connection with the top of the mechanical arm 407.

[0060] The fixed ring 406 comprises a gradually increasing section a, a high section b, a gradually decreasing section c and a low section d, and the gradually decreasing section c is located above the conveyor belt 2.

[0061] The sliding block 412 and the conductive block 411 on the high side a are close to each other, and the current passes through the first spring 409 and the second spring 416, and the two are contracted;

[0062] The sliding block 412 and the conductive block 411 on the low side c are away from each other, and the electric circuit is cut off, and the first spring 409 and the second spring 416 have no current passing through, and the two return to the original state;

[0063] The specific operation process of the above scheme is as follows: first, the mechanical arm is in the high side a of the fixed ring 406, in this state, the sliding block 412 and the conductive block 411 are close to each other, at this time, the current passes through the first spring 409 and the second spring 416, and the two are contracted, so that the telescopic column 408 moves downward, and the suction cup 418 is close to the upper side of the plate 3, at the same time, the second spring 415 is also in the state of being electrified, and the piston block 417 moves upward, so that the vacuum is generated in the sliding cavity 415, so that the suction cup 418 can suck the plate 3;

[0064] Then the motor 401 drives the driving sleeve 404 to rotate, the sliding block 412 is in the high side b, when rotating to the low side c, the sliding block 412 and the conductive block 411 are separated, the electric circuit is cut off, the first spring 409 and the second spring 415 return to the original state, the plate 3 naturally falls, and the feeding effect is achieved, and the driving sleeve 404 rotates every quarter of a circle as a working stroke.

[0065] Example two:

[0066] Based on example one, please refer to Figure 7 An automatic material taking plate feeding device, comprising a base 1, a conveyor belt 2 and a plate 3, the top of the base 1 is provided with a feeding mechanism 4, the feeding mechanism 4 comprises:

[0067] The driving sleeve 404 can rotate under the driving of external force;

[0068] The fixed ring 406 is welded on the top of the driving sleeve 404;

[0069] The mechanical arm 407 is provided with a telescopic column 408 at the end, the bottom of the telescopic column 408 is fixedly connected with a suction cup 418, and the suction cup 418 can generate vacuum and suck the plate 3;

[0070] The driving sleeve 404 rotates to rotate the mechanical arm 407, so that the plate 3 can move, when the vacuum is generated in the suction cup 418, the plate 3 can be sucked, then it is rotated by 180 degrees and stopped on the conveyor belt 2, at this time, the internal pressure of the suction cup 418 is the same as the external pressure, and the plate 3 falls on the conveyor belt 2, achieving the effect of automatic material taking and feeding.

[0071] The middle part of the driving sleeve 404 is provided with a fixing column 405 welded on the top of the base 1, the driving sleeve 404 is rotationally connected with the outer wall of the fixing column 405, the bottom of the driving sleeve 404 is welded with a first gear 403, one side of the first gear 403 is meshingly provided with a driving gear 402, the top of the driving gear 402 is fixedly installed with a motor 401, the motor 401 can drive the driving gear 402 to rotate;

[0072] The motor 401 drives the driving gear 402 to rotate, then the driving gear 402 meshes with the first gear 403 to drive it to rotate, so that the driving sleeve 404 rotates, and then the four mechanical arms 407 rotate simultaneously.

[0073] The end of the mechanical arm 407 is provided with a sliding hole, the middle part of the telescopic column 408 is slidably connected with the sliding hole, the outer wall of the telescopic column 408 is further sleeved with a first spring 409, the top of the first spring 409 is welded with the top of the telescopic column 408, and the bottom of the first spring 409 is welded with the top of the mechanical arm 407.

[0074] The bottom end of the first spring 409 is connected with a wire 410, the other end of the wire 410 is connected with a conductive block 411, one end of the conductive block 411 is provided with a sliding block 412, and the sliding block 412 is connected with an electric wire, when the sliding block 412 contacts with the conductive block 411, the circuit is conducted to allow the first spring 409 to generate current;

[0075] When the first spring 409 generates current, since the current directions in each turn of the spring are the same, according to the mutual attraction between the same direction currents, each turn of the spring is attracted to the adjacent spring, so that the spring as a whole shrinks, thereby causing the telescopic column 408 to descend.

[0076] The lower half of the telescopic column 408 is internally provided with a sliding cavity 415, the inside of the sliding cavity 415 is sealingly and slidably connected with a piston block 417, the top of the piston block 417 is welded with a second spring 416 between the upper inner wall of the sliding cavity 415, the top end of the second spring 416 is electrically connected with the top of the second spring 409 through a wire, and the bottom end of the second spring 416 is grounded;

[0077] When the first spring 409 generates current, the second spring 416 is connected in series with the first spring 409, so the second spring 416 also has current and shrinks, when the second spring 409 shrinks, the piston block 417 is driven to move upwards, thereby causing the sliding cavity 415 to generate a vacuum, so that the suction cup 418 can suck the plate 3.

[0078] The bottom of the telescopic column 408 is welded with the top of the suction disc 418. The inside of the suction disc 418 is hollow. The bottom of the suction disc 418 is provided with a suction hole 419 which is in communication with the inside of the suction disc 418. The bottom of the suction disc 418 is further attached with a sealing ring 420 which is made of fluorine rubber or silicon rubber. The top of the telescopic column 408 is provided with a through hole 421 which is in communication with the inside of the sliding cavity 415.

[0079] The bottom of the sliding block 412 is welded with a limiting block 414 which is in sliding connection with the top of the mechanical arm 407.

[0080] The fixed ring 406 comprises a gradually-high section a, a high section b, a gradually-low section c and a low section d. The gradually-low section c is located above the conveying belt 2.

[0081] The sliding block 412 and the conductive block 411 located at the side of the gradually-high section a are close to each other. At this time, the current passes through the first spring 409 and the second spring 416 and makes them contract.

[0082] The sliding block 412 and the conductive block 411 located at the side of the gradually-low section c are away from each other. The electric circuit is cut off. At this time, the first spring 409 and the second spring 416 have no current passing through them and return to their original state.

[0083] The right side of the top of the base 1 is provided with a foreign matter removing mechanism 5 which plays a role of cleaning the bottom of the plate 3. Specifically, it comprises:

[0084] A collecting box 501. One end of the collecting box 501 is provided with a sewage discharge port 504.

[0085] A sewage inlet 502. Two brush rollers 503 are installed in the middle of the sewage inlet 502. The two ends of the brush roller 503 are rotatably connected with the inner wall of the collecting box 501 through bearings. The brush roller 503 can rotate under the driving of the driving device.

[0086] The driving device comprises:

[0087] Second gears 505. They are welded at one end of the two brush rollers 503 and mesh with each other.

[0088] A third gear 506 which is rotatably installed on the outer wall of the collecting box 501. The third gear 506 is meshed with one of the second gears 505. One end of the third gear 506 is welded with a first bevel gear 507.

[0089] A second bevel gear 509 is meshed above the first bevel gear 507. The bottom of the second bevel gear 509 is welded with a fourth gear 508. A fifth gear 510 is meshed at one side of the fourth gear 508. The fifth gear 510 is meshed with the first gear 403.

[0090] Through the action of the driving device, when the motor 401 drives the first gear 403 to rotate, the two brush rollers 503 can be driven to rotate at the same time. The brush rollers 503 are further provided with bristles, the bristles are in contact with the bottom of the plate 3 to brush off impurities, so that the bottom of the plate 3 is kept clean, facilitating subsequent processing.

[0091] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic plate feeding device, comprising a base (1), a conveyor belt (2) and a plate (3), characterized in that: The top of the base (1) is provided with a feeding mechanism (4), the feeding mechanism (4) comprises: A driving sleeve (404) which can rotate under external force driving; and A fixed ring (406), the middle part of the driving sleeve (404) is provided with a fixed column (405), the fixed column (405) is welded on the top of the base (1), the driving sleeve (404) is rotationally connected with the outer wall of the fixed column (405), and the fixed ring (406) is connected on the top of the fixed column (405); and A mechanical arm (407), the end of the mechanical arm (407) is provided with a telescopic column (408), the bottom of the telescopic column (408) is fixedly connected with a suction disc (418), the suction disc (418) can generate vacuum and suck the plate (3); The end of the mechanical arm (407) is provided with a sliding opening, the middle part of the telescopic column (408) is slidably connected with the sliding opening, the outer wall of the telescopic column (408) is further sleeved with a first spring (409), the top of the first spring (409) is welded with the top of the telescopic column (408), and the bottom of the first spring (409) is welded with the top of the mechanical arm (407); The bottom end of the first spring (409) is connected with a wire (410), the other end of the wire (410) is connected with a conductive block (411), one end of the conductive block (411) is provided with a sliding block (412), the sliding block (412) is connected with an electric wire, when the sliding block (412) contacts with the conductive block (411), the circuit is conducted to allow the first spring (409) to generate current; The lower half of the telescopic column (408) is internally provided with a sliding cavity (415), the inside of the sliding cavity (415) is sealingly and slidably connected with a piston block (417), the top of the piston block (417) is welded with the second spring (416) between the upper inner wall of the sliding cavity (415), the top end of the second spring (416) is electrically connected with the top of the first spring (409) through a wire, and the bottom end of the second spring (416) is grounded; The bottom of the sliding block (412) is welded with a limiting block (414), and the limiting block (414) is slidably connected with the top of the mechanical arm (407); The fixed ring (406) comprises a gradually high section a, a high section b, a gradually low section c and a low section d, and the gradually low section c is located above the conveying belt (2); The sliding block (412) and the conductive block (411) located on one side of the gradually high section a are close to each other, at this time, the current passes through the first spring (409) and the second spring (416) and makes them contract; The sliding block (412) and the conductive block (411) located on one side of the gradually low section c are away from each other, the electric circuit is cut off, at this time, the first spring (409) and the second spring (416) have no current passing through, and they return to the original state.

2. The automatic plate taking and feeding device according to claim 1, characterized in that: The bottom of the driving sleeve (404) is welded with a first gear (403), one side of the first gear (403) is engaged with a driving gear (402), the top of the driving gear (402) is fixedly installed with a motor (401), the motor (401) can drive the driving gear (402) to rotate.

3. The automatic plate taking and feeding device according to claim 1, characterized in that: The bottom of the telescopic column (408) is welded with the top of a suction disc (418), the inside of the suction disc (418) is hollow, the bottom of the suction disc (418) is provided with an air suction hole (419) which is communicated with the inside of the suction disc (418), the bottom of the suction disc (418) is further bonded with a sealing ring (420), the material of the sealing ring (420) is fluorine rubber or silicon rubber, the top of the telescopic column (408) is provided with a through hole (421) which is communicated with the inside of the sliding cavity (415).

4. The automatic plate taking and feeding device according to claim 2, characterized in that: The right side of the top of the base (1) is provided with a foreign matter removing mechanism (5), the foreign matter removing mechanism (5) plays a role of cleaning the bottom of the plate (3), and it comprises: A collecting box (501), one end of the collecting box (501) is provided with a pollution discharging opening (504), and A pollution inlet (502), two brush rollers (503) are installed in the middle of the pollution inlet (502), the two ends of the brush rollers (503) are rotatably connected with the inner wall of the collecting box (501) through bearings, and the brush rollers (503) can rotate under the driving of a driving device.

5. The automatic material taking plate feeding device according to claim 4, characterized in that: The driving device comprises: Second gears (505), which are welded at one end of the two brush rollers (503), and the two second gears (505) are engaged with each other, and A third gear (506) is rotatably installed on the outer wall of the collecting box (501), the third gear (506) is engaged with one of the second gears (505), and one end of the third gear (506) is welded with a first bevel gear (507); The top of the first bevel gear (507) is engaged with a second bevel gear (509), the bottom of the second bevel gear (509) is welded with a fourth gear (508), one side of the fourth gear (508) is engaged with a fifth gear (510), and the fifth gear (510) is engaged with the first gear (403).

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