CN218289609U

CN218289609U - Plate collecting and releasing machine

Info

Publication number: CN218289609U
Application number: CN202222271928.6U
Authority: CN
Inventors: 魏海; 刘宗贤; 颜朝信
Original assignee: Symtek Automation Dongguan Co Ltd
Current assignee: Symtek Automation Dongguan Co Ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-01-13
Anticipated expiration: 2032-08-26

Abstract

The utility model relates to a circuit board processing equipment technical field especially indicates a board collecting and releasing machine, including plate feeding mechanism, microscope carrier alternative conveyor, flexible pick and place mechanism, rotary driving mechanism, pick and place elevating system, pick and place board manipulator, feed bin and two carrier platforms, rotary driving mechanism is connected with the lift end of pick and place elevating system, flexible pick and place mechanism is connected with the rotary end of rotary driving mechanism; the bin is positioned at one side of the telescopic taking and placing mechanism; the carrying platform alternate conveying device is used for driving the two carrying plate platforms to alternately convey so as to exchange the positions of the two carrying plate platforms; when the plate taking and placing mechanical arm is movably arranged above the plate feeding mechanism and one of the plate carrying tables, the other plate carrying table is arranged corresponding to the telescopic plate taking and placing mechanism. The utility model discloses a microscope carrier is conveyor in turn carries two and carries the pallet, and two carry the pallet and can carry out respective work simultaneously, have saved the required latency that receive and releases the board, have shortened the cycle that receives and releases the board, have improved the efficiency that receives and releases the board.

Description

Plate collecting and releasing machine

Technical Field

The utility model belongs to the technical field of circuit board processing equipment technique and specifically relates to indicate a receive and release trigger.

Background

In the circuit board processing, a plurality of steps are generally performed, and sometimes, it is necessary to perform board collection and board placement from one step to another. The board receiving and releasing modes include two modes, one mode is to manually take and release the board, and the other mode is to receive and release the board for the circuit board through a board receiving and releasing machine. Along with the development and the progress of the society, the plate collecting and releasing machine is widely applied and well received, the requirement of people on the production efficiency of the plate collecting and releasing machine is higher and higher, although the existing plate collecting and releasing machine can automatically realize plate collecting and releasing, after a circuit board on a tray or a carrier is fully loaded, the tray or the carrier needs to be manually replaced, and a machine is in a non-working state when the tray or the carrier is replaced, so that the plate collecting and releasing efficiency cannot meet the requirement of a user, and the replacement time is long. Therefore, the drawbacks are obvious, and it is highly desirable to provide a solution.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a receive and release trigger.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a board collecting and releasing machine comprises a board feeding mechanism, a carrying platform alternate conveying device, a telescopic taking and releasing mechanism, a rotary driving mechanism, a taking and releasing lifting mechanism, a board taking and releasing mechanical arm, a storage bin and two board carrying platforms, wherein the rotary driving mechanism is connected with the lifting end of the taking and releasing lifting mechanism, and the telescopic taking and releasing mechanism is connected with the rotating end of the rotary driving mechanism; the storage bin is positioned at one side of the telescopic taking and placing mechanism; the carrying platform alternate conveying device is used for driving the two carrying plate platforms to alternately convey so as to exchange the positions of the two carrying plate platforms; when the plate taking and placing mechanical arm is movably arranged above the plate feeding mechanism and one of the plate carrying tables, the other plate carrying table is arranged corresponding to the telescopic plate taking and placing mechanism.

Furthermore, the alternating conveyor of the carrier comprises an upper conveying track, a lower conveying track arranged below the upper conveying track in parallel, an upper moving base connected to the upper conveying track in a sliding manner, a lower moving base connected to the lower conveying track in a sliding manner, a lifting driving mechanism arranged on the lower moving base, and an alternating movement driving mechanism for driving the upper moving base and the lower moving base to move alternatively.

Furthermore, a first limiting mechanism and a second limiting mechanism are respectively arranged at two ends of the upper conveying track or/and two ends of the lower conveying track, and the first limiting mechanism and the second limiting mechanism are used for limiting the moving stroke of the upper moving seat and the lower moving seat.

Furthermore, the upper conveying track comprises two upper track strips which are arranged in parallel at intervals, and two sides of the upper moving seat are respectively connected with the two upper track strips in a sliding manner; an avoidance space is arranged between the two upper track bars; the lower conveying track comprises two lower track strips which are arranged at intervals in parallel, and two sides of the lower moving seat are respectively connected with the two lower track strips in a sliding manner.

Furthermore, the alternate movement driving mechanism comprises a mounting seat, a plurality of driving wheels respectively connected with the mounting seat in a rotating manner, a transmission belt sleeved outside the plurality of driving wheels in a driving manner, and a rotating driver which is arranged on the mounting seat and used for driving one of the driving wheels to rotate, wherein the upper moving seat is fixedly connected with an upper belt of the transmission belt through an upper belt clamp, the lower moving seat is fixedly connected with a lower belt of the transmission belt through a lower belt clamp, and the upper belt clamp and the lower belt clamp are arranged in a staggered manner.

Furthermore, the carrier plate table is provided with a board taking and placing space, and the board taking and placing space is used for enabling the telescopic taking and placing end of the telescopic taking and placing mechanism to protrude into the carrier plate table.

Further, the plate feeding mechanism is positioned above the carrier alternating conveying device and is arranged corresponding to the telescopic taking and placing mechanism; when one of the board carrying tables is arranged corresponding to the telescopic fetching and placing mechanism, the board carrying table is positioned below the board conveying mechanism, and the other board carrying table is positioned outside the board conveying mechanism.

Further, the plate collecting and releasing machine further comprises a positioning device, and the positioning device is used for positioning the storage bin.

Furthermore, the board collecting and releasing machine further comprises a conveying vehicle, the conveying vehicle is detachably butted with the positioning device, and the conveying vehicle is used for conveying the storage bin.

Further, the plate conveying mechanism is provided with a supporting plate mechanism, and a supporting plate end of the supporting plate mechanism can protrude above a plate conveying surface of the plate conveying mechanism.

Furthermore, the number of the telescopic taking and placing mechanisms, the number of the rotary driving mechanisms, the number of the taking and placing lifting mechanisms and the number of the bins are two, one telescopic taking and placing mechanism, one rotary driving mechanism, one taking and placing lifting mechanism and one bin form a taking and placing plate system, and the two taking and placing plate systems are respectively positioned on two sides of the carrier alternating conveying device.

The utility model has the advantages that: the utility model can be used for collecting the plate (such as a circuit board, etc.) and also can be used for placing the plate, and the embodiment takes the plate collection as an example for explanation. The carrying platform alternate conveying device is provided with a first plate receiving and releasing station and a second plate receiving and releasing station, the carrying platform alternate conveying device is used for driving the two carrying platforms to alternately move between the first plate receiving and releasing station and the second plate receiving and releasing station, the first plate receiving and releasing station is arranged corresponding to the telescopic plate receiving and releasing mechanism, the plate receiving and releasing manipulator is movably arranged above the second plate receiving and releasing station and the plate conveying mechanism, and when one carrying platform is positioned on the first plate receiving and releasing station, the other carrying platform is positioned on the second plate receiving and releasing station. When the plate receiving and releasing device is started, one plate carrying table is positioned at a first plate receiving and releasing station, and the other plate carrying table is positioned at a second plate receiving and releasing station; in practical application, the plate feeding mechanism conveys plates to a preset position, the plate taking and placing mechanical arm picks up the plates conveyed by the plate feeding mechanism and places the plates on a tray borne by a plate carrying table located at a second plate receiving and placing station, so that a plurality of plates can be stacked on the plate carrying table, meanwhile, under the cooperative cooperation of the plate taking and placing lifting mechanism, the rotary driving mechanism and the telescopic plate taking and placing mechanism, the telescopic plate taking and placing mechanism picks up empty-loaded carriers in the storage bin to the plate carrying table located at a first plate receiving and placing station, when the trays on the plate carrying table located at the second plate receiving and placing station are stacked with a preset number of plates, when the trays are in a full-load state, the carrier alternating conveying device drives the two plate carrying tables to move alternately, so that the two plate carrying tables are switched, so that empty-loaded trays are located at a second plate receiving and placing station, full-loaded trays are located at a first plate receiving and placing station, the plate taking and placing mechanical arm stacks the empty-loaded plates on the trays in the storage bin, the telescopic plate taking and placing mechanism picks up the empty-loaded trays in the storage bin, and the empty-loaded trays are repeatedly, and the telescopic plate taking and placing mechanism is operated under the telescopic plate taking and the empty-loaded trays. The utility model has the advantages of reasonable design, carry two and carry the pallet through microscope carrier conveying device in turn, two carry the pallet and can carry out respective work simultaneously, saved and receive and release the required latency of board, shortened the cycle that receives and releases the board, improved the efficiency that receives and releases the board.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic diagram of the three-dimensional structure of the plate feeding mechanism, the plate supporting mechanism, the carrying platform alternate conveying device and two carrying platform of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the retractable pick-and-place mechanism, the rotary driving mechanism and the pick-and-place lifting mechanism of the present invention.

Description of the reference numerals:

1. a plate feeding mechanism; 11. a pallet mechanism; 2. a stage alternate delivery device; 21. an upper conveying track; 22. a lower conveying track; 23. an upper moving seat; 24. a lower moving base; 25. a lifting drive mechanism; 26. an alternate movement drive mechanism; 27. avoiding a space; 28. a mounting seat; 29. a driving wheel; 291. a transmission belt; 292. a rotation driver; 293. an upper belt clip; 294. a belt clip is put down; 3. a telescopic pick-and-place mechanism; 4. a rotation driving mechanism; 5. a taking and placing lifting mechanism; 6. a plate taking and placing manipulator; 7. a storage bin; 71. a positioning device; 72. a delivery wagon; 8. a pallet table; 81. taking and placing the board space; 9. a first limit mechanism; 92. and (4) a plate taking and placing system.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to fig. 3, the present invention provides a board collecting and releasing machine, which comprises a board feeding mechanism 1, a carrier alternating conveyor 2, a telescopic picking and releasing mechanism 3, a rotary driving mechanism 4, a picking and releasing lifting mechanism 5, a picking and releasing mechanical arm 6, a storage bin 7 and two board carrying tables 8, wherein the rotary driving mechanism 4 is connected with a lifting end of the picking and releasing lifting mechanism 5, and the telescopic picking and releasing mechanism 3 is connected with a rotating end of the rotary driving mechanism 4; the stock bin 7 is positioned at one side of the telescopic taking and placing mechanism 3; the platform alternating conveying device 2 is used for driving the two plate carrying platforms 8 to alternately convey so as to exchange the positions of the two plate carrying platforms 8; when the plate taking and placing mechanical arm 6 is movably arranged above the plate feeding mechanism 1 and one of the plate carrying tables 8, the other plate carrying table 8 is arranged corresponding to the telescopic plate taking and placing mechanism 3; specifically, the retractable pick-and-place mechanism 3 may employ a retractable fork in the prior art.

The utility model can be used for collecting the plate (such as a circuit board, etc.) and also can be used for placing the plate, and the embodiment takes the plate collection as an example for explanation. The platform alternate conveying device 2 is provided with a first plate receiving and releasing station and a second plate receiving and releasing station, the platform alternate conveying device 2 is used for driving two plate carrying tables 8 to alternately move between the first plate receiving and releasing station and the second plate receiving and releasing station, the first plate receiving and releasing station is arranged corresponding to the telescopic plate taking and releasing mechanism 3, the plate taking and releasing manipulator 6 is movably arranged above the second plate receiving and releasing station and the plate conveying mechanism 1, and when one plate carrying table 8 is positioned on the first plate receiving and releasing station, the other plate carrying table 8 is positioned on the second plate receiving and releasing station. When the plate receiving and releasing device is started, one plate carrying platform 8 is positioned at a first plate receiving and releasing station, and the other plate carrying platform 8 is positioned at a second plate receiving and releasing station; in practical application, the plate feeding mechanism 1 conveys plates to a preset position, the plate taking and placing mechanical arm 6 picks up the plates conveyed by the plate feeding mechanism 1 and places the plates on a tray carried by a carrier plate table 8 located at a second plate receiving and placing station, so that a plurality of plates can be stacked on the carrier plate table 8, meanwhile, under the cooperative coordination of the plate taking and placing lifting mechanism 5, the rotary driving mechanism 4 and the telescopic plate taking and placing mechanism 3, the telescopic plate taking and placing mechanism 3 picks up empty-loaded carriers in the bin 7 onto the carrier plate table 8 located at a first plate receiving and placing station, when the trays on the carrier plate table 8 located at the second plate receiving and placing station are stacked with a preset number of plates, and when the trays are in a full-load state, the carrier plate alternate conveying device 2 drives the two carrier plate tables 8 to alternately move, so that the two carrier plate tables 8 exchange positions, so that the trays of the empty-loaded trays are located on the second plate receiving and placing station, the full-loaded trays are located on the first plate receiving and placing station, then, the plate taking and placing mechanical arm 6 stacks the plates on the empty-loaded trays of the second plate receiving and placing station, and placing mechanism 3, and the empty-loaded carriers are repeatedly picked up by the telescopic plate taking and placing mechanism, and the empty-loaded carriers, and the telescopic plate taking and placing mechanism 3, and the empty-loaded carriers are repeatedly stored in the bin lifting mechanism 7, and the empty-loaded carrier plate taking and placing mechanism, and the empty-loaded carriers are repeatedly operated in the empty-loaded carriers. The utility model has the advantages of reasonable design, carry two year pallet 8 through microscope carrier conveying device 2 in turn, two carry pallet 8 can carry out respective work simultaneously, have saved the required latency that receive and releases the board, have shortened the cycle that receives and releases the board, have improved the efficiency that receives and releases the board.

In this embodiment, the stage alternate conveying device 2 includes an upper conveying rail 21, a lower conveying rail 22 disposed below the upper conveying rail 21 in parallel, an upper moving base 23 slidably connected to the upper conveying rail 21, a lower moving base 24 slidably connected to the lower conveying rail 22, a lifting driving mechanism 25 mounted on the lower moving base 24, and an alternate moving driving mechanism 26 for driving the upper moving base 23 and the lower moving base 24 to move alternately, where the upper moving base 23 is connected to one of the carrier plates 8, the other carrier plate 8 is arranged above the lower moving base 24 in a lifting manner and connected to a lifting end of the lifting driving mechanism 25, the upper moving base 23 and the lower moving base 24 are arranged in a staggered manner, moving directions of the upper moving base 23 and the lower moving base 24 are opposite, and the lifting driving mechanism 25 can drive the corresponding carrier plate 8 to protrude above the upper conveying rail 21.

When the upper moving seat 23 is located at the second board collecting and releasing station, one board carrying table 8 is located at the second board collecting and releasing station, the lower moving seat 24 and the other board carrying table 8 are located at the first board collecting and releasing station, and the board carrying table 8 is located at the lowest position; when the positions of the two plate carrying tables 8 need to be changed, the alternate movement driving mechanism 26 drives the upper moving seat 23 and the lower moving seat 24 to alternately move along the upper conveying track 21 and the lower conveying track 22 respectively, so that the two plate carrying tables 8 exchange positions, and when the plate carrying table 8 connected with the lifting driving mechanism 25 moves to the second plate receiving and releasing station, the lifting driving mechanism 25 drives the plate carrying table 8 to ascend, so that the plate carrying table 8 ascends to the upper part of the upper conveying track 21, so that the plate taking and releasing manipulator 6 can pick plates conveyed by the plate conveying mechanism 1 onto a tray carried by the plate carrying table 8, and stacking of the plates is facilitated. Through two carry pallet 8 alternating movement, saved and receive and release the required latency of board, improved the efficiency of sending the board, and structural design is compact and ingenious, and two carry pallet 8 can not bump at alternating movement's in-process, only need a driving source (alternating movement actuating mechanism 26) can drive two carry pallet 8 alternating movement, reduced the quantity of driving source, energy-concerving and environment-protective, reduced the cost of manufacturing and use.

In this embodiment, the two ends of the upper conveying track 21 or/and the two ends of the lower conveying track 22 are respectively provided with a first limiting mechanism 9 and a second limiting mechanism, the first limiting mechanism 9 and the second limiting mechanism are used for limiting the moving stroke of the upper moving seat 23 and the lower moving seat 24, and the first limiting mechanism 9 and the second limiting mechanism are respectively used for abutting against the two sides of the lower moving seat 24; specifically, the first limit mechanism 9 and the second limit mechanism may each employ a damper. Preferably, the first limiting mechanism 9 and the second limiting mechanism are respectively installed at two ends of the lower conveying track 22. In practical applications, in the process that the alternating movement driving mechanism 26 drives the upper moving seat 23 and the lower moving seat 24 to move in an alternating manner, the first limiting mechanism 9 or the second limiting mechanism limits the lower moving seat 24 in an abutting manner, so as to ensure that the lower moving seat 24 moves in a preset stroke, and improve the movement stability and the position accuracy of the lower moving seat 24, thereby improving the movement stability and the position accuracy of the two stage loading tables 8.

In this embodiment, the upper conveying track 21 includes two upper track bars arranged in parallel at a certain interval, and two sides of the upper moving seat 23 are respectively connected with the two upper track bars in a sliding manner; an avoidance space 27 for lifting the carrier plate table 8 connected with the lifting driving mechanism 25 is arranged between the two upper track strips; in practical application, the upper moving seat 23 moves along the two upper rail strips, so that the moving stability of the upper moving seat 23 is improved, and an avoiding space 27 is provided for the lifting of the plate loading platform 8 on the lower conveying rail 22.

In this embodiment, the lower conveying track 22 includes two lower track strips arranged in parallel at a certain interval, and two sides of the lower moving seat 24 are slidably connected to the two lower track strips, respectively. In practical application, the lower moving base 24 slides along the two lower rail strips, so that the moving stability of the lower moving base 24 is improved.

In this embodiment, the alternate movement driving mechanism 26 includes a mounting base 28, a plurality of driving wheels 29 rotatably connected to the mounting base 28, a driving belt 291 rotatably sleeved outside the plurality of driving wheels 29, and a rotary actuator 292 mounted on the mounting base 28 and configured to drive one of the driving wheels 29 to rotate, wherein the upper moving base 23 is fixedly connected to an upper belt of the driving belt 291 via an upper belt clamp 293, the lower moving base 24 is fixedly connected to a lower belt of the driving belt 291 via a lower belt clamp 294, and the upper belt clamp 293 and the lower belt clamp 294 are disposed in a staggered manner. Specifically, the number of the transmission wheels 29 is four, and the four transmission wheels 29 are distributed in a rectangular shape or an isosceles trapezoid shape. In practical applications, the rotation driver 292 drives one of the transmission wheels 29 to rotate, the transmission wheels 29 cooperate to drive the transmission belt 291 to rotate, and the rotating transmission belt 291 drives the upper moving seat 23 and the lower moving seat 24 to move alternately.

Specifically, the rotation driver 292 may be a motor, and may also be a structure of a motor, a rotating shaft, a timing belt and a timing wheel to drive one of the transmission wheels 29 to rotate.

In this embodiment, the board carrying table 8 is provided with a board taking and placing space 81, and the board taking and placing space 81 is used for the telescopic taking and placing end of the telescopic taking and placing mechanism 3 to extend into the board carrying table 8. When the carrier platform 8 moves a full-load tray to a first receiving and releasing plate station, the pick-and-place lifting mechanism 5 drives the telescopic pick-and-place mechanism 3 to lift to adjust the height position of the telescopic pick-and-place mechanism 3, so that the telescopic pick-and-place end of the telescopic pick-and-place mechanism 3 corresponds to the pick-and-place plate space 81, then the telescopic pick-and-place end of the telescopic pick-and-place mechanism 3 extends and protrudes into the pick-and-place plate space 81, then the pick-and-place lifting mechanism 5 drives the telescopic pick-and-place mechanism 3 to lift again, so that the telescopic pick-and-place end of the telescopic pick-and-place mechanism 3 with the full-load tray rises until the full-load tray is separated from the carrier platform 8, at the moment, the telescopic pick-and-place end of the full-and-place tray from the carrier platform 8, finally the rotary driving mechanism 4 drives the telescopic pick-and-place mechanism 3 to rotate for a certain angle, so that the full-load tray on the telescopic pick-and-place mechanism 3 corresponds to the bin 7, and then the full-load tray is positioned on the first receiving platform 8 of the empty bin. The board taking and placing space 81 is arranged to facilitate the retractable taking and placing mechanism 3 to take and place the tray on the carrier board table 8.

In this embodiment, the plate feeding mechanism 1 is located above the carrier alternating conveying device 2 and is arranged corresponding to the telescopic pick-and-place mechanism 3; when one of the board carrying tables 8 is arranged corresponding to the telescopic pick-and-place mechanism 3, the board carrying table 8 is positioned below the board feeding mechanism 1, and the other board carrying table 8 is positioned outside the board feeding mechanism 1. The structural design makes the machine compact and reduces the volume of the machine.

In this embodiment, the trigger releasing and collecting device further includes a positioning device 71, and the positioning device 71 is used for positioning the storage bin 7, so that the position accuracy and the stability of the storage bin 7 are improved.

In this embodiment, the plate retrieving and placing machine further includes a conveying vehicle 72, the conveying vehicle 72 is detachably abutted to the positioning device 71, and the conveying vehicle 72 is used for conveying the storage bin 7, so that not only is conveying of the storage bin 7 facilitated, but also replacement of the storage bin 7 is facilitated.

In this embodiment, the board conveying mechanism 1 is provided with a supporting board mechanism 11, and a supporting board end of the supporting board mechanism 11 can protrude above a board conveying surface of the board conveying mechanism 1. In practical application, the plate is supported by the supporting plate mechanism 11, so that the plate is separated from the plate conveying surface of the plate conveying mechanism 1, the position precision and the stability of the plate are improved, and the plate can be accurately taken and placed by the plate taking and placing manipulator 6.

In this embodiment, the number of the positioning device 71, the transport vehicle 72, the telescopic pick-and-place mechanism 3, the rotary driving mechanism 4, the pick-and-place lifting mechanism 5, and the storage bin 7 is two, one positioning device 71, one transport vehicle 72, one telescopic pick-and-place mechanism 3, one rotary driving mechanism 4, one pick-and-place lifting mechanism 5, and one storage bin 7 constitute one pick-and-place plate system 92, and the two pick-and-place plate systems 92 are respectively located on two sides of the carrier alternating transport device 2. The two pick and place plate systems 92 are programmed to operate, for example: while one pick-and-place board system 92 is in operation, the other pick-and-place board system 92 is in a wait state. The two plate taking and placing systems 92 work in a matched mode, and the plate taking and placing efficiency is further improved.

All technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment does the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. A board collecting and releasing machine is characterized in that: the automatic plate taking and placing device comprises a plate feeding mechanism, a carrying platform alternate conveying device, a telescopic taking and placing mechanism, a rotary driving mechanism, a taking and placing lifting mechanism, a taking and placing plate manipulator, a storage bin and two carrying platform, wherein the rotary driving mechanism is connected with the lifting end of the taking and placing lifting mechanism, and the telescopic taking and placing mechanism is connected with the rotating end of the rotary driving mechanism; the bin is positioned at one side of the telescopic taking and placing mechanism; the carrying platform alternate conveying device is used for driving the two carrying plate platforms to alternately convey so as to exchange the positions of the two carrying plate platforms; when the plate taking and placing mechanical arm is movably arranged above the plate feeding mechanism and one of the plate carrying tables, the other plate carrying table is arranged corresponding to the telescopic plate taking and placing mechanism.

2. A board retractable machine according to claim 1, wherein: the alternating conveyor for the carrier table comprises an upper conveying track, a lower conveying track arranged below the upper conveying track in parallel, an upper moving seat connected to the upper conveying track in a sliding mode, a lower moving seat connected to the lower conveying track in a sliding mode, a lifting driving mechanism arranged on the lower moving seat and an alternating movement driving mechanism used for driving the upper moving seat and the lower moving seat to move alternately, wherein the upper moving seat is connected with one carrier table, the other carrier table is arranged above the lower moving seat in a lifting mode and connected with a lifting end of the lifting driving mechanism in a protruding mode, the upper moving seat and the lower moving seat are arranged in a staggered mode, the moving directions of the upper moving seat and the lower moving seat are opposite, and the lifting driving mechanism can drive the corresponding carrier table to be above the upper conveying track.

3. A board receiving and releasing machine as claimed in claim 2, characterized in that: the two ends of the upper conveying track or/and the two ends of the lower conveying track are/is provided with a first limiting mechanism and a second limiting mechanism respectively, and the first limiting mechanism and the second limiting mechanism are used for limiting the moving stroke of the upper moving seat and the lower moving seat.

4. A board retractable machine according to claim 2, wherein: the upper conveying track comprises two upper track strips which are arranged at intervals and in parallel, and two sides of the upper moving seat are respectively connected with the two upper track strips in a sliding manner; an avoidance space is arranged between the two upper track bars; the lower conveying track comprises two lower track strips which are arranged at intervals in parallel, and two sides of the lower moving seat are respectively connected with the two lower track strips in a sliding manner.

5. A board receiving and releasing machine as claimed in claim 2, characterized in that: the alternate movement driving mechanism comprises a mounting seat, a plurality of driving wheels which are respectively and rotatably connected to the mounting seat, a driving belt sleeved outside the driving wheels and a rotary driver which is arranged on the mounting seat and used for driving one of the driving wheels to rotate, wherein the upper moving seat is fixedly connected with the upper layer belt of the driving belt through an upper belt clamp, the lower moving seat is fixedly connected with the lower layer belt of the driving belt through a lower belt clamp, and the upper belt clamp and the lower belt clamp are arranged in a staggered mode.

6. A board retractable machine according to claim 1, wherein: the carrier plate table is provided with a plate taking and placing space, and the plate taking and placing space is used for the telescopic taking and placing end of the telescopic taking and placing mechanism to extend into the carrier plate table.

7. A board receiving and releasing machine as claimed in claim 1, characterized in that: the plate feeding mechanism is positioned above the carrier alternating conveying device and is arranged corresponding to the telescopic taking and placing mechanism; when one of the board carrying tables is arranged corresponding to the telescopic fetching and placing mechanism, the board carrying table is positioned below the board conveying mechanism, and the other board carrying table is positioned outside the board conveying mechanism.

8. A board retractable machine according to claim 1, wherein: the plate collecting and releasing machine further comprises a positioning device and a conveying vehicle, the conveying vehicle is detachably butted with the positioning device, the positioning device is used for positioning the storage bin, and the conveying vehicle is used for conveying the storage bin.

9. A board retractable machine according to claim 1, wherein: the plate conveying mechanism is provided with a supporting plate mechanism, and the supporting plate end of the supporting plate mechanism can extend to the position above the plate conveying surface of the plate conveying mechanism.

10. A board receiving and releasing machine as claimed in any one of claims 1 to 9, characterized in that: the number of the telescopic taking and placing mechanisms, the number of the rotary driving mechanisms, the number of the taking and placing lifting mechanisms and the number of the bins are two, one telescopic taking and placing mechanism, one rotary driving mechanism, one taking and placing lifting mechanism and one bin form a taking and placing plate system, and the two taking and placing plate systems are respectively positioned on two sides of the carrier alternate conveying device.