CN209973485U

CN209973485U - Automatic feeding device

Info

Publication number: CN209973485U
Application number: CN201920551204.2U
Authority: CN
Inventors: 邱国丰; 张超宁; 童小鹏
Original assignee: Shenzhen Micro Zhuo Technologies Co Ltd
Current assignee: Shenzhen Micro Zhuo Technologies Co Ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-01-21
Anticipated expiration: 2029-04-22

Abstract

An automatic feeding device comprises a lifting mechanism, a material taking mechanism and a conveying line, wherein the lifting mechanism is arranged on one side of the conveying line along the extending direction of the conveying line, the material taking mechanism is arranged on the other side of the conveying line, the conveying line comprises a speed regulating motor, a driving wheel and a driven wheel, the conveyer belt, the conveyer belt cover is established on the surface of action wheel and follow driving wheel, buncher drive action wheel rotates, elevating system includes the lift drive module, the elevating platform, the lift drive module is connected with the elevating platform drive, lift drive module drive elevating platform is along vertical removal, extracting mechanism is including getting material longitudinal drive module, get the material transverse drive module, the manipulator of fetching material is located the top of elevating system and transfer chain, it removes to get the material longitudinal drive module drive and get the material transverse drive module along the extending direction who is on a parallel with the transfer chain, it removes along the extending direction of perpendicular to transfer chain to get the material transverse drive module drive manipulator of fetching material. The utility model discloses can improve pay-off efficiency, reduction in production cost.

Description

Automatic feeding device

Technical Field

The utility model relates to a sorting machine field indicates an automatic feed device especially.

Background

In the PCB field, the PCB product is usually sorted and packaged, and in order to prevent the same batch of products from being mixed with different batches of PCB boards, the PCB boards need to be sorted before being packaged. The existing sorting mode is distinguished by operators of the production line through naked eyes. Need be by operating personnel with the artifical pay-off of PCB board to letter sorting district before the letter sorting, this kind of feed mode is not only inefficient, consumes a large amount of manpowers, and long-time work, has greatly influenced the operating efficiency of production line.

Disclosure of Invention

In order to solve the problem, the utility model provides an automatic feeding device, the principle is simple, and convenient operation can increase substantially pay-off efficiency, has very high practical value, effectively practices thrift manpower and time, reduction in production cost.

In order to achieve the above object, the utility model adopts the following technical scheme: an automatic feeding device comprises a frame, and a lifting mechanism, a material taking mechanism and a conveying line which are arranged on the frame, wherein two or more lifting mechanisms are arranged on one side of the conveying line along the extending direction of the conveying line, the material taking mechanism is arranged on the other side of the conveying line,

the conveying line comprises a speed regulating motor, a conveying frame, a driving wheel, a driven wheel and a conveying belt, the driving wheel and the driven wheel are arranged on the conveying frame, the conveying belt is sleeved on the surfaces of the driving wheel and the driven wheel, the speed regulating motor drives the driving wheel to rotate so as to drive the upper section of the conveying belt to horizontally convey,

the lifting mechanism comprises a lifting driving module and a lifting platform, the lifting driving module is in driving connection with the lifting platform and drives the lifting platform to move vertically,

the material taking mechanism comprises a material taking longitudinal driving module, a material taking transverse driving module and a material taking manipulator, wherein the material taking manipulator is located above the lifting mechanism and the conveying line, the material taking longitudinal driving module is in driving connection with the material taking transverse driving module, the material taking transverse driving module is in driving connection with the material taking manipulator, the material taking longitudinal driving module drives the material taking transverse driving module to move along the extending direction parallel to the conveying line, and the material taking transverse driving module drives the material taking manipulator to move along the extending direction perpendicular to the conveying line.

Specifically, the conveyer frame includes first conveyer frame, the action wheel includes first action wheel, follow the driving wheel and include first from driving wheel, second from the driving wheel, the conveyer belt includes first conveyer belt, first conveyer frame level sets up, first from the driving wheel and second set up respectively at the both ends of first conveyer frame from the driving wheel, first action wheel is located first from the driving wheel and the second is from between the driving wheel, first conveyer belt cover is established on the surface of first from the driving wheel, second from the driving wheel, first action wheel, thereby the first action wheel of buncher drive rotates and drives first conveyer belt and rotate.

Specifically, the transfer chain still includes the drive shaft, the transfer frame still includes second transfer frame, the action wheel still includes the second action wheel, still include the third from the driving wheel, the fourth from the driving wheel, the conveyer belt still includes the second conveyer belt, first transfer frame and second transfer frame set up side by side, the third sets up the both ends at second transfer frame from driving wheel and fourth respectively, the second action wheel is located the third from the driving wheel and the fourth from between the driving wheel, the second conveyer belt cover is established on the third from the driving wheel, the fourth from the surface of driving wheel, second action wheel, first action wheel and second action wheel are all established on the surface of drive shaft, the buncher drive thereby the drive shaft rotates and drives first action wheel and second action wheel synchronous rotation.

The conveying line further comprises an adjusting motor, an adjusting ball screw and an adjusting nut, the first conveying frame is fixedly arranged on the rack, the adjusting ball screw is perpendicular to the first conveying frame and arranged on the rack, the adjusting nut is sleeved on the surface of the adjusting ball screw and fixedly connected with the second conveying frame, the adjusting motor drives the adjusting ball screw to rotate to drive the adjusting nut to move along the adjusting ball screw, and therefore the second conveying frame is close to or separated from the first conveying frame.

Specifically, the transfer chain is still including adjusting the worm wheel, adjusting the worm, it establishes on ball screw's surface to adjust the worm wheel cover, adjust the worm and adjust the worm meshing, thereby adjust motor drive and adjust the worm and rotate and drive ball screw and rotate.

Specifically, the lifting driving module comprises a lifting driving motor, a lifting trapezoidal screw rod and a screw nut, wherein the lifting trapezoidal screw rod is vertically arranged, the lifting driving motor is fixed on the rack and is in driving connection with the lifting trapezoidal screw rod, and the screw nut is sleeved on the surface of the lifting trapezoidal screw rod and is fixedly connected with the lifting platform.

Specifically, the lifting driving motor is connected with the lifting trapezoidal screw rod through a worm gear speed reducer, the worm gear speed reducer comprises a reduction worm gear and a reduction worm, the reduction worm gear is sleeved on the surface of the lifting trapezoidal screw rod, a crankshaft of the lifting driving motor is fixedly connected with the reduction worm, and the reduction worm gear is meshed with the reduction worm.

Specifically, elevating system still includes spacing subassembly, spacing subassembly includes a plurality of fixed gag lever posts, a plurality of fixed gag lever posts are vertical to be located in the frame, a plurality of fixed gag lever posts distribute to set into two rows and lie in the adjacent both sides of elevating platform respectively.

Specifically, spacing subassembly is still including adjusting gag lever post, slide rail, slider, adjust the gag lever post and one of them one row of fixed gag lever post setting in the relative both sides of elevating platform, the slide rail is located in the frame, adjust the gag lever post and pass through slider and sliding linkage for adjust the gag lever post and can remove to the fixed gag lever post of opposite side, set up the movable groove that supplies to adjust the gag lever post and remove on the elevating platform.

The material taking manipulator comprises a material taking cylinder, a material taking support and a vacuum suction nozzle, the material taking transverse driving module is in driving connection with the material taking cylinder, the material taking cylinder is in driving connection with the material taking support and drives the material taking support to move vertically, and the vacuum suction nozzle is fixedly arranged on the material taking support.

The beneficial effects of the utility model reside in that: the utility model discloses with work piece lifting preset position by elevating system, get the material transverse driving module and get the material longitudinal driving module and drive and get the material manipulator and remove to the work piece top, get the material manipulator and absorb the work piece and remove the transfer chain top, place the work piece on the transfer chain conveyer belt, carry the work piece to letter sorting district by the transfer chain, so go round and go to realize the automatic feed before the PCB letter sorting. The utility model discloses an automation equipment replaces traditional artifical pay-off mode, and the principle is simple, and convenient operation can increase substantially pay-off efficiency, has very high practical value, effectively practices thrift manpower and time, reduction in production cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the appearance structure of the present invention.

Fig. 3 is a schematic view of the overall structure of the lifting mechanism of the present invention;

fig. 4 is a front view of the lifting mechanism of the present invention;

fig. 5 is a schematic view of a rear view structure of the lifting mechanism of the present invention;

fig. 6 is a schematic structural view of the material taking mechanism of the present invention;

fig. 7 is a left view structural diagram of the conveying line of the present invention;

fig. 8 is a right view structure diagram of the conveying line of the present invention.

The reference numbers illustrate:

1-a frame; 2-a lifting mechanism; 3-a material taking mechanism; 4-conveying line;

11-a chassis; 12-lower substrate; 13-a mesa substrate; 14-a chassis;

21-a lifting driving module; 22-a lifting platform; 23-worm gear reducer; 25-a lifting support;

211-lifting drive motor; 212-lifting trapezoidal screw rod; 213-screw nut;

221-lifting slide plate; 222-a lifting table; 223-lifting reinforcing ribs; 224-active slot;

241-fixing a limiting rod; 242-adjusting the stop lever; 243-sliding rail; 244-a slider;

251-a lifting base; 252-lifting the substrate; 253-lifting base plate reinforcing ribs; 254-a guide bar; 255-a guide block;

31-a material taking longitudinal driving module; 32-a take-off transverse drive module; 34-a module support;

331-a material taking cylinder; 332-a take-off rack; 333-vacuum suction nozzle;

41-speed regulating motor; 45-a drive shaft;

421-a first capstan; 422-second drive wheel;

431-a first driven wheel; 432-a second driven wheel; 433 — a third driven wheel; 434-fourth driven wheel;

441-a first conveyor belt; 442-a second conveyor belt;

451-first transfer rack; 452-a second transport rack;

461-regulating motor; 462-adjusting the ball screw; 463-a nut; 464-adjusting the worm; 465-adjusting worm gear.

Detailed Description

Referring to fig. 1, the present invention relates to an automatic feeding device, which comprises a frame 1, and a lifting mechanism 2, a material taking mechanism 3, and a conveying line 4 arranged on the frame 1, wherein two or more lifting mechanisms 2 are arranged on one side of the conveying line 4 along the extending direction of the conveying line 4, the material taking mechanism 3 is arranged on the other side of the conveying line 4,

as shown in fig. 7-8, the conveyor line 4 includes a speed-regulating motor 41, a conveying frame, a driving wheel, a driven wheel, and a conveyor belt, the driving wheel and the driven wheel are disposed on the conveying frame, the conveyor belt is sleeved on the surfaces of the driving wheel and the driven wheel, the speed-regulating motor 41 drives the driving wheel to rotate so as to drive the upper section of the conveyor belt to horizontally convey,

as shown in fig. 3-5, the lifting mechanism 2 includes a lifting driving module 21 and a lifting platform 22, the lifting driving module 21 is drivingly connected to the lifting platform 22, the lifting driving module 21 drives the lifting platform 22 to move vertically,

as shown in fig. 6, the material taking mechanism 3 includes a material taking longitudinal driving module 31, a material taking transverse driving module 32, and a material taking manipulator, the material taking manipulator is located above the lifting mechanism 2 and the conveyor line 4, the material taking longitudinal driving module 31 is in driving connection with the material taking transverse driving module 32, the material taking transverse driving module 32 is in driving connection with the material taking manipulator, the material taking longitudinal driving module 31 drives the material taking transverse driving module 32 to move along the extending direction parallel to the conveyor line 4, and the material taking transverse driving module 32 drives the material taking manipulator to move along the extending direction perpendicular to the conveyor line 4.

Referring to fig. 1, in this embodiment, in order to ensure that the machine has enough workpieces to ensure the post-production, the left and right ends of the apparatus are respectively provided with two lifting mechanisms 2, a set of material taking mechanisms 3, and a conveyor line 4 for conveying the workpieces.

Referring to fig. 1, in the present embodiment, a frame 1 includes a bottom frame 11, a lower substrate 12, and a table substrate 13, wherein the lower substrate 12 and the table substrate 13 are fixed at an upper end of the bottom frame 11. Wherein, elevating system 2 sets up on lower base plate 12, and extracting mechanism 3 and transfer chain 4 set up on mesa base plate 13. Wherein, get material vertical drive module 31 and pass through the module support and install on mesa base plate 13.

Referring to fig. 2, in the present embodiment, a chassis 14 is further disposed on the frame 1, and a control device is disposed in the chassis 14, and the control device is connected to the motors of the lifting mechanism 2, the material taking mechanism 3, and the conveying line 4 for coordinating the mechanisms to work in an orderly manner. The control device may employ an existing control device such as a PLC control device.

The utility model discloses a theory of operation does: the workpiece is lifted to a preset position (the upper section of a conveyor line 4 at the same level) by the lifting mechanism 2, meanwhile, the material taking transverse driving module 32 and the material taking longitudinal driving module 31 at the two ends drive the material taking manipulator to move to the position above the workpiece (when the workpiece of one group of lifting mechanisms 2 is grabbed, the workpiece starts to move to the position above the other group of lifting mechanisms 2 to grab, meanwhile, an operator starts to add the workpiece to the previous group of lifting mechanisms 2), the material taking manipulator starts to move downwards and sucks the workpiece by the vacuum suction nozzle 333, the material taking manipulator moves upwards to drive the workpiece to move to the position above the conveyor line 4 and place the workpiece on the conveyor line 4, and the workpiece is conveyed to a sorting area by the conveyor line 4.

The utility model discloses an automation equipment replaces traditional artifical pay-off mode, and the principle is simple, and convenient operation can increase substantially pay-off efficiency, has very high practical value, effectively practices thrift manpower and time, reduction in production cost.

Referring to fig. 7-8, specifically, the transmission frame includes a first transmission frame 451, the transmission frame includes a first driving wheel 421, the driven wheels include a first driven wheel 431 and a second driven wheel 432, the transmission belt includes a first transmission belt 441, the first transmission frame 451 is horizontally disposed, the first driven wheel 431 and the second driven wheel 432 are respectively disposed at two ends of the first transmission frame 451, the first driving wheel 421 is disposed between the first driven wheel 431 and the second driven wheel 432, the first transmission belt 441 is sleeved on the surfaces of the first driven wheel 431, the second driven wheel 432 and the first driving wheel 421, and the speed-regulating motor 41 drives the first driving wheel 421 to rotate so as to drive the first transmission belt 441 to rotate.

By adopting the above scheme, the first driving wheel 421 is located in the middle of the first conveying frame 451, when the speed regulating motor 41 drives the first driving wheel 421 to rotate, the first driving wheel 421 drives the first conveying belt 441 to rotate around the outer edges of the first driven wheel 431 and the second driven wheel 432, and the upper section of the first conveying belt 441 horizontally conveys the workpiece.

Referring to fig. 7-8, in particular, the conveyor line 4 further includes a drive shaft 45, the transmission frame further includes a second transmission frame 452, the drive wheels further include a second drive wheel 422, the driven wheels further include a third driven wheel 433, a fourth driven wheel 434, the conveyor belt further includes a second conveyor belt 442, the first and second conveyor frames 452 being arranged side by side, the third and fourth driven pulleys 433 and 434 are respectively provided at both ends of the second transfer frame 452, the second driving pulley 422 is provided between the third driven pulley 433 and the fourth driven pulley 434, the second transmission belt 442 is sleeved on the surfaces of the third driven wheel 433, the fourth driven wheel 434 and the second driving wheel 422, the first driving wheel 421 and the second driving wheel 422 are sleeved on the surface of the driving shaft 45, the speed regulating motor 41 drives the driving shaft 45 to rotate so as to drive the first driving wheel 421 and the second driving wheel 422 to synchronously rotate.

By adopting the above scheme, the speed regulating motor 41 drives the driving shaft 45 to rotate, so as to drive the first driving wheel 421 and the second driving wheel 422 to synchronously rotate, and the first driving wheel 421 and the second driving wheel 422 drive the first conveyor belt 441 and the second conveyor belt 442 to synchronously rotate. The first conveyor belt 441 and the second conveyor belt 442 are symmetrically disposed, and when the first conveyor belt 441 and the second conveyor belt 442 convey a workpiece (i.e., a PCB), two side edges of the PCB are respectively pressed on the first conveyor belt 441 and the second conveyor belt 442.

It should be noted that the upper segment of the conveyor belt refers to the upper segment of the two segments of the conveyor belt that run in opposite directions. Specifically, in the present embodiment, the upper section of the first belt 441 means that the first belt 441 is fitted over the upper portions of the first driven pulley 431 and the second driven pulley 432, and the upper section of the second belt 442 means that the second belt 442 is fitted over the upper portions of the third driven pulley 433 and the fourth driven pulley 434.

Specifically, the conveyor line 4 further includes an adjusting motor 461, an adjusting ball screw 462, and an adjusting nut 463, the first conveying frame 451 is fixedly disposed on the frame 1, the adjusting ball screw 462 is disposed on the frame 1 perpendicular to the first conveying frame 451, the adjusting nut 463 is sleeved on the surface of the adjusting ball screw 462 and is fixedly connected with the second conveying frame 452, and the adjusting motor 461 drives the adjusting ball screw 462 to rotate to drive the adjusting nut 463 to move along the adjusting ball screw 462, so that the second conveying frame 452 moves toward or away from the first conveying frame 451.

The adjusting motor 461 drives the adjusting ball screw 462 to rotate, drives the adjusting nut 463 on the adjusting ball screw 462 to move, and enables the second transmission frame 452 to approach or separate to the first transmission frame 451, so that the distance between the first transmission belt 441 and the second transmission belt 442 is realized, and the distance between the first transmission belt 441 and the second transmission belt 442 is adapted to the width of the PCB, so as to smoothly transmit the PCB.

Specifically, transfer chain 4 still includes adjusts worm wheel 465, adjusts worm 464, adjust worm wheel 465 cover and establish the surface at ball screw, adjust worm 464 and adjust worm wheel 465 meshing, thereby adjust motor 461 drive and adjust worm 464 and rotate and drive ball screw and rotate.

The adjusting worm 464 is arranged in parallel with the first transmission frame 451, the adjusting worm 464 is meshed with the adjusting worm wheel 465, and when the adjusting motor 461 drives the adjusting worm 464 to rotate, the adjusting worm 464 drives the ball screw to rotate through the adjusting worm wheel.

Referring to fig. 3-5, specifically, the lifting driving module 21 includes a lifting driving motor 211, a lifting trapezoidal screw 212, and a lifting nut 213, wherein the lifting trapezoidal screw 212 is vertically disposed, the lifting driving motor 211 is fixed on the frame 1 and is drivingly connected to the lifting trapezoidal screw 212, and the lifting nut 213 is sleeved on the surface of the lifting trapezoidal screw 212 and is fixedly connected to the lifting platform 22.

The lifting driving motor 211 drives the ball screw to rotate, so that the lifting nut 213 moves along the lifting trapezoidal screw 212 to drive the lifting table 22 to move along the vertical direction, the PCB stacked on the lifting table 22 is automatically conveyed to the upper section height parallel and level of the conveying belt of the conveying line 4, and the PCB is moved to the conveying line 4 by the material taking mechanism 3. When the last workpiece is taken out, the lifting driving motor 211 drives the lifting table 22 to reset, and the workpiece is manually added to prepare for next feeding. The lift drive module 21 of this embodiment adopts the combination of motor and ball screw, guarantees that the removal of elevating platform 22 is steady, accurate, and elevating platform 22 can not glide after the outage, has very high security.

Referring to fig. 3-5, specifically, the lifting mechanism 2 further includes a lifting bracket 25, the lifting bracket 25 is disposed on the frame 1, the top end of the lifting trapezoidal screw 212 is rotatably connected to the top end of the lifting bracket 25, a guide rod 254 parallel to the lifting trapezoidal screw 212 is disposed on the lifting bracket 25, a guide block 255 is sleeved on the surface of the guide rod 254, and the guide block 255 is fixedly connected to the lifting table 22. The movement of the lift table 22 is made more smooth by the provision of the guide bar 254 in cooperation with the guide block 255.

Referring to fig. 3-5, specifically, the lifting bracket 25 includes a lifting base 251, a lifting base 252, and a lifting base stiffener 253, the lifting base 252 is vertically disposed on the lifting base 251, and two sides of the lifting base 252 are fixedly connected to the lifting base 251 through the lifting base stiffener 253. With the above structure, the lifting bracket 25 is structurally stable.

Referring to fig. 3 to 5, specifically, the lifting driving motor 211 is connected to the lifting trapezoidal screw 212 through a worm and gear reducer 23, the worm and gear reducer 23 includes a reduction worm gear and a reduction worm, the reduction worm gear is sleeved on the surface of the lifting trapezoidal screw 212, a crankshaft of the lifting driving motor 211 is fixedly connected to the reduction worm, and the reduction worm gear is engaged with the reduction worm.

Adopt above-mentioned scheme, lift driving motor 211 passes through worm gear speed reducer 23 and is connected with lift trapezoidal lead screw 212, stable in structure, and output torque is high, and the lifting load promotes greatly to but make single blowing greatly increased.

Referring to fig. 3 to 5, specifically, the lifting mechanism 2 further includes a limiting component, the limiting component includes a plurality of fixed limiting rods 241, the fixed limiting rods 241 are vertically disposed on the frame 1, and the fixed limiting rods 241 are distributed in two rows and respectively located at two adjacent sides of the lifting platform 22.

By adopting the above scheme, the two adjacent sides of the lifting platform 22 are provided with the fixed limiting rods 241, the PCB stacked on the lifting platform 22 is placed by the two rows of the fixed limiting rods 241, so that the arrangement of the PCB can be ensured to be tidy, the material taking mechanism 3 can take the material conveniently, the PCB can be prevented from sliding down in the lifting process, and the limiting protection effect is achieved.

Referring to fig. 3-5, specifically, the limiting assembly further includes an adjusting limiting rod 242, a sliding rail 243, and a sliding block 244, the adjusting limiting rod 242 and one row of the fixed limiting rods 241 are disposed on two opposite sides of the lifting platform 22, the sliding rail 243 is disposed on the frame 1, the adjusting limiting rod 242 is connected to the sliding rail 243 through the sliding block 244, so that the adjusting limiting rod 242 can move toward the fixed limiting rod 241 on the opposite side, and the lifting platform 22 is provided with a movable groove 224 for the adjusting limiting rod 242 to move.

Adopt above-mentioned scheme, the cooperation through slider 244 and slide rail 243 makes to adjust gag lever post 242 and remove to fixed gag lever post 241 to make and adjust gag lever post 242 and fixed gag lever post 241 and press from both sides tight PCB board jointly, it is spacing further to the PCB board, guarantee the stability that elevating system 2 carried and the material taking effect of taking agencies 3.

Referring to fig. 3-5, specifically, the lifting platform 22 includes a lifting sliding plate 221, a lifting platform 222, and a lifting stiffener 223, the lifting platform 222 is disposed at the upper end of the lifting sliding plate 221, and the side edge of the lifting sliding plate 221 is fixedly connected to the side edge of the lifting platform 222 through the lifting stiffener 223. Through the arrangement, the structure of the lifting platform 22 is more stable, the lifting platform 22 can better bear the weight of workpieces, and the single-time emptying can be greatly increased.

Referring to fig. 3 to 5, specifically, the material taking manipulator includes a material taking cylinder 331, a material taking bracket 332, and a vacuum suction nozzle 333, the material taking transverse driving module 32 is drivingly connected to the material taking cylinder 331, the material taking cylinder 331 is drivingly connected to the material taking bracket 332 and drives the material taking bracket 332 to move vertically, and the vacuum suction nozzle 333 is fixedly disposed on the material taking bracket 332.

In this embodiment, the four vacuum suction nozzles 333 are distributed on four end points of the material taking bracket 332, and the vacuum suction nozzles 333 are connected to a vacuum generator. When the material taking manipulator is driven by the material taking transverse driving module 32 and the material taking longitudinal driving module 31 to move to the position above the lifting mechanism 2, the material taking cylinder 331 drives the material taking support 332 to descend to enable the vacuum suction nozzle 333 to be in contact with the PCB, the vacuum generator works to enable the vacuum suction nozzle 333 to generate negative pressure to absorb the PCB, the material taking cylinder 331 drives the material taking support 332 to reset and lift, the material taking manipulator moves to the position above the conveying line 4 again, the material taking cylinder 331 drives the material taking support 332 to descend, and the vacuum suction nozzle 333 removes the negative pressure to place the PCB on the conveying line 4.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. An automatic feeding device is characterized in that: comprises a frame, and a lifting mechanism, a material taking mechanism and a conveying line which are arranged on the frame, wherein two or more lifting mechanisms are arranged on one side of the conveying line along the extending direction of the conveying line, the material taking mechanism is arranged on the other side of the conveying line,

2. The automatic feeding device according to claim 1, characterized in that: the conveying frame comprises a first conveying frame, the driving wheel comprises a first driving wheel, the driven wheel comprises a first driven wheel and a second driven wheel, the conveying belt comprises a first conveying belt, the first conveying frame is horizontally arranged, the first driven wheel and the second driven wheel are respectively arranged at two ends of the first conveying frame, the first driving wheel is arranged between the first driven wheel and the second driven wheel, the first conveying belt is sleeved on the surface of the first driven wheel, the second driven wheel and the first driving wheel, and the first driving wheel is driven by the speed regulating motor to rotate so as to drive the first conveying belt to rotate.

3. The automatic feeding device according to claim 2, characterized in that: the transfer chain still includes the drive shaft, the transfer frame still includes second transfer frame, the action wheel still includes the second action wheel, still include the third from the driving wheel, the fourth from the driving wheel, the conveyer belt still includes the second conveyer belt, first transfer frame and second transfer frame set up side by side, the third sets up the both ends at second transfer frame from the driving wheel and the fourth respectively, the third is located to the second action wheel from the driving wheel and the fourth is followed between the driving wheel, the second conveyer belt cover is established on the third from the driving wheel, the fourth from the surface of driving wheel, second action wheel, the surface at the drive shaft is all established to first action wheel and second action wheel, the buncher drive thereby the drive shaft rotates and drives first action wheel and second action wheel synchronous rotation.

4. The automatic feeding device according to claim 3, characterized in that: the conveying line further comprises an adjusting motor, an adjusting ball screw and an adjusting nut, the first conveying frame is fixedly arranged on the rack, the adjusting ball screw is perpendicular to the first conveying frame and arranged on the rack, the adjusting nut is sleeved on the surface of the adjusting ball screw and fixedly connected with the second conveying frame, the adjusting motor drives the adjusting ball screw to rotate to drive the adjusting nut to move along the adjusting ball screw, and therefore the second transmission part frame is close to or separated from the first conveying frame.

5. The automatic feeding device according to claim 4, characterized in that: the transfer chain is still including adjusting worm wheel, regulation worm, it establishes on ball screw's surface to adjust the worm wheel cover, adjust worm and the meshing of adjusting worm wheel, thereby adjust motor drive and adjust the worm and rotate and drive ball screw and rotate.

6. The automatic feeding device according to claim 1, characterized in that: the lifting driving module comprises a lifting driving motor, a lifting trapezoidal screw rod and a screw nut, the lifting trapezoidal screw rod is vertically arranged, the lifting driving motor is fixed on the rack and is in driving connection with the lifting trapezoidal screw rod, and the screw nut is sleeved on the surface of the lifting trapezoidal screw rod and is fixedly connected with the lifting platform.

7. The automatic feeding device according to claim 6, characterized in that: the lifting driving motor is connected with the lifting trapezoidal screw rod through a worm and gear speed reducer, the worm and gear speed reducer comprises a reduction worm gear and a reduction worm, the reduction worm gear is sleeved on the surface of the lifting trapezoidal screw rod, a shaft of the lifting driving motor is fixedly connected with the reduction worm, and the reduction worm gear is meshed with the reduction worm.

8. The automatic feeding device according to claim 1, characterized in that: the lifting mechanism further comprises a limiting assembly, the limiting assembly comprises a plurality of fixed limiting rods, the fixed limiting rods are vertically arranged on the rack, and the fixed limiting rods are distributed into two rows and are respectively located on two adjacent sides of the lifting platform.

9. The automatic feeding device according to claim 8, characterized in that: the limiting assembly further comprises a limiting rod, a sliding rail and a sliding block, the limiting rod and one row of fixed limiting rods are arranged on two opposite sides of the lifting platform, the sliding rail is arranged on the rack, the limiting rod is connected with the sliding rail through the sliding block, so that the limiting rod can move towards the fixed limiting rods on the opposite sides, and a movable groove for moving the limiting rod is formed in the lifting platform.

10. The automatic feeding device according to claim 1, characterized in that: the material taking manipulator comprises a material taking cylinder, a material taking support and a vacuum suction nozzle, the material taking transverse driving module is in driving connection with the material taking cylinder, the material taking cylinder is in driving connection with the material taking support and drives the material taking support to move vertically, and the vacuum suction nozzle is fixedly arranged on the material taking support.