CN114955551B

CN114955551B - PCB (printed Circuit Board) retracting and releasing machine capable of converting and retracting

Info

Publication number: CN114955551B
Application number: CN202210787510.2A
Authority: CN
Inventors: 邓娜; 黄春宇; 陈金锋; 黄汝长
Original assignee: Transystem Technology Ltd
Current assignee: Transystem Technology Ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2023-06-13
Anticipated expiration: 2042-07-06
Also published as: CN114955551A

Abstract

The invention discloses a PCB (printed circuit board) folding and unfolding machine capable of being switched and folded, which comprises a frame, a carrier conveying mechanism, a first carrier lifting mechanism, a second carrier lifting mechanism, a carrier temporary storage transplanting mechanism and a PCB transplanting mechanism, wherein the carrier temporary storage transplanting mechanism comprises a first carrier lifting mechanism, a second carrier lifting mechanism and a first carrier temporary storage transplanting mechanism, wherein the first carrier conveying mechanism comprises a first carrier lifting mechanism and a second carrier lifting mechanism, and the second carrier lifting mechanism comprises a first carrier temporary storage transplanting mechanism and a second carrier lifting mechanism: the frame is internally provided with a high-vehicle loading and unloading station, a first low-vehicle loading and unloading station, a second low-vehicle loading and unloading station, a first carrier temporary storage station, a second carrier temporary storage station and an output station. The board retracting and releasing machine provided by the invention realizes automatic board retracting and releasing operation on the PCB, and realizes board switching operation between the L-frame and the box carriers, improves the automation degree and the working efficiency of PCB production, and avoids the possibility of damaging the PCB by manpower and labor to a certain extent.

Description

PCB (printed Circuit Board) retracting and releasing machine capable of converting and retracting

Technical Field

The invention relates to the technical field of PCB (printed Circuit Board) receiving and releasing machines, in particular to a PCB receiving and releasing machine capable of converting and releasing.

Background

The 21 st electronic industry is rapidly developed, the performance of the PCB board of an important component of the product is continuously improved, and the technical requirement of the PCB board is also higher.

The PCB is the circuit board. The processing of PCB boards is a relatively active industry in the contemporary electronics industry. In the production and processing operation process of the PCB, in order to match with the automatic operation requirement of the whole processing production line, a board placing machine is arranged at the starting point of the production line, and a board collecting machine is arranged at the end point of the production line, so that the PCB can be processed, the boards can be placed in the conveyor belt of the production line one by one in a horizontal mode by the board placing machine, and when the boards finish the processing operation, the boards on the conveyor belt of the production line are collected by the board collecting machine.

Then, the existing plate retracting and releasing machine cannot be compatible with various carriers and carts, and can only retract and release plates aiming at one carrier and cart, so that the function is single.

The above disadvantages are to be improved.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a PCB (printed Circuit Board) collecting and releasing machine capable of converting and releasing.

The technical scheme of the invention is as follows:

a convertible and retractable PCB retraction plate machine comprising:

the machine frame is internally provided with a high-vehicle loading and unloading station, a first low-vehicle loading and unloading station, a second low-vehicle loading and unloading station, a first carrier temporary storage station, a second carrier temporary storage station and an output station, wherein the first carrier temporary storage station is positioned above the first low-vehicle loading and unloading station, and the second carrier temporary storage station is positioned above the second low-vehicle loading and unloading station;

the carrier conveying mechanism is arranged on the loading and unloading station of the high car, and is used for receiving the carrier conveyed by the high car and conveying the carrier back to the high car;

the first carrier lifting mechanism is arranged on the first low vehicle loading and unloading station, and is used for conveying carriers on a low vehicle to the first carrier temporary storage station and conveying the carriers on the first carrier temporary storage station back to the low vehicle;

the second carrier lifting mechanism is arranged on the second low vehicle loading and unloading station, and is used for conveying the carriers on the low vehicle to the second carrier temporary storage station and conveying the carriers on the second carrier temporary storage station back to the low vehicle;

the carrier temporary storage and transplanting mechanism is arranged on the first carrier temporary storage station and the second carrier temporary storage station, and the carrier temporary storage and transplanting mechanism drives the carrier to move between the first carrier temporary storage station and the second carrier temporary storage station;

the PCB transplanting mechanism is installed in the frame and drives the PCB to move between the upper and lower material loading stations, the first carrier temporary storage station, the second carrier temporary storage station and the output station.

According to the invention, the carrier temporary storage and transplanting mechanism comprises two carrier transplanting modules which are oppositely arranged along the X-axis direction, the two carrier transplanting modules are respectively positioned at the front side and the rear side of the first carrier temporary storage station and the second carrier temporary storage station, the carrier transplanting modules comprise a clamping plate module for supporting one side of a carrier and an X-axis moving module for driving the clamping plate module to move along the X-axis direction, the X-axis moving module is fixed with the frame, and the clamping plate module is fixed with the movable end of the X-axis moving module.

Further, the cardboard module includes the cardboard cylinder and is used for holding the cardboard of carrier one side, the cardboard cylinder with the expansion end of X axle removal module is fixed, the expansion end of cardboard cylinder with the cardboard is fixed, the cardboard cylinder drives the cardboard back-and-forth movement.

According to the invention, the PCB transplanting mechanism comprises a manipulator and a sucker module arranged at the end part of the manipulator and used for grabbing a PCB, and the manipulator is fixed with the frame.

According to the invention of the scheme, the top parts of the left side and the right side of the carrier conveying mechanism are provided with the supporting pieces for temporarily storing the cover plates of the carriers.

According to the scheme, the invention further comprises a PCB conveying mechanism which is arranged on the output station and conveys the PCB of the output station to the process main line or receives the PCB conveyed back by the process main line.

Further, the edge searching mechanism for searching the edges of the PCB is arranged below the PCB conveying mechanism.

According to the invention of the scheme, the first automatic lifting door and the second automatic lifting door are arranged on the rack, the first automatic lifting door is positioned at the front end of the first lower car loading and unloading station, the second automatic lifting door is positioned at the front end of the second lower car loading and unloading station, and hooks for lifting the outer cover or the outer cover door of the lower car are arranged at the front ends of the first automatic lifting door and the second automatic lifting door.

Furthermore, the first lower car loading and unloading station and the second lower car loading and unloading station are both provided with lower car guiding and positioning mechanisms for guiding and positioning the lower car on two sides of the bottom.

Still further, low car direction positioning mechanism includes two dolly guide bars that set up relatively, two distance between the dolly guide bar cooperatees with the width of dolly, the inboard of guide bar is provided with a row of dolly leading wheel, the front end of dolly guide bar has set gradually location cylinder and fender car cylinder from front to back, location cylinder's active end is provided with the location strip that is used for carrying out the location to the low car, fender car cylinder's active end is provided with the fender car strip that is used for blocking the low car.

Further, a low car sensor for sensing the position of a low car is arranged on the car blocking strip.

According to the invention, the rear ends of the first lower car loading and unloading station and the second lower car loading and unloading station are respectively provided with a lower car locking mechanism for locking the lower car.

According to the scheme, the invention further comprises a dustproof outer cover, the dustproof outer cover covers the rack, and a computer, a working panel and a code scanner are arranged on the dustproof outer cover.

According to the invention of the scheme, the beneficial effects of the invention are as follows:

1. the board retracting and releasing machine provided by the invention realizes automatic board retracting and releasing operation on the PCB, and realizes board switching operation between the L-frame and the box carriers, thereby improving the automation degree and the working efficiency of PCB production, and avoiding the possibility of damaging the PCB by manpower and labor to a certain extent;

2. the device is compatible with two carriers of an L frame and a box, is also compatible with a high vehicle, a common low vehicle without an outer cover, a heat-insulating trolley with a heat-insulating outer cover, a dust-proof trolley with a dust-proof outer cover and other various trolleys, has extremely strong universality, does not need to be respectively processed by a plurality of sets of equipment for different carriers and trolleys, and can save a large amount of production space;

3. through the hook on the automatic lifting door and the low car guiding and positioning mechanism, the automatic and accurate taking and placing of the outer cover or the outer cover door of the low car is realized, the manual taking and placing are not needed, the automation degree of PCB production is further improved, and the cost of workers is saved;

4. the temporary storage and transplanting mechanism for the carrier achieves the functions of temporary storage and transfer of the carrier in loading and unloading of the loading and unloading stations of the two low vehicles.

Drawings

FIG. 1 is a schematic view of the present invention with the dust cover removed and the cart engaged;

FIG. 2 is a schematic view of the present invention with the dust cover removed and the lower vehicle in another view;

FIG. 3 is a schematic view of the present invention with the dust cover removed and the combination of a lower car and an upper car;

FIG. 4 is a schematic diagram of a temporary carrier transplanting mechanism according to the present invention;

FIG. 5 is a schematic diagram of the structure of the frame, the PCB transplanting mechanism, the carrier temporary storage transplanting mechanism, the low car guiding and positioning mechanism and the low car locking mechanism in the invention;

FIG. 6 is a schematic diagram of a carrier transport mechanism according to the present invention;

FIG. 7 is a schematic diagram of the edge searching mechanism in the present invention;

FIG. 8 is a schematic view of the structure of a first automatic lifting door and a second automatic lifting door according to the present invention;

FIG. 9 is a schematic view of the structure of the low car guiding and positioning mechanism of the present invention;

FIG. 10 is a schematic view of the present invention with a dust cover attached to the lower cart.

In the drawing of the figure,

1. a frame; 2. a carrier transport mechanism; 201. a support; 3. a first carrier lifting mechanism; 4. a second carrier lifting mechanism; 5. temporary carrier storage transplanting mechanism; 501. a card board module; 5011. a clamping plate cylinder; 5012. a clamping plate; 502. an X-axis moving module; 6. a PCB transplanting mechanism; 601. a manipulator; 602. a suction cup module; 7. a PCB conveying mechanism; 8. a high car; 9. a box; 10. an L-shaped frame; 11. lowering the vehicle; 12. an edge searching mechanism; 1201. a fixing frame; 1202. a translation module; 1203. a moving rack; 1204. a search edge sensor; 13. a first automatic lifting door; 1301. a hook; 14. a second automatic lifting door; 15. a low car guiding and positioning mechanism; 1501. a trolley guide bar; 1502. a trolley guide wheel; 1503. positioning a cylinder; 1504. a car blocking cylinder; 1505. a positioning strip; 1506. a vehicle stop bar; 1507. a low car sensor; 16. a height locking mechanism; 17. a locking and lowering mechanism; 18. a dust-proof cover; 1801. a computer; 1802. a work panel; 1803. a code scanner.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments.

It should be noted that, the terms "disposed," "connected," "fixed," "mounted," and the like should be understood in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The directions or positions indicated by the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", etc. are directions or positions based on the drawings, and are merely for convenience of description and are not to be construed as limiting the present technical solution.

Referring to fig. 1 to 3, the present embodiment provides a PCB retractable board machine capable of converting and retractable, which includes a frame 1, a carrier conveying mechanism 2, a first carrier lifting mechanism 3, a second carrier lifting mechanism 4, a carrier temporary storage and transplanting mechanism 5, a PCB board transplanting mechanism 6 and a PCB board conveying mechanism 7.

The machine frame 1 is internally provided with a high-vehicle loading and unloading station, a first low-vehicle loading and unloading station, a second low-vehicle loading and unloading station, a first carrier temporary storage station, a second carrier temporary storage station and an output station, wherein the first carrier temporary storage station is positioned above the first low-vehicle loading and unloading station, the second carrier temporary storage station is positioned above the second low-vehicle loading and unloading station, and the output station is in butt joint with a process main line. It should be appreciated that the first low cart loading and unloading station and the second low cart loading and unloading station may be used for loading simultaneously, or for unloading simultaneously, or one for loading and one for unloading, which is not limited in this application.

The carrier conveying mechanism 2 is arranged on a loading and unloading station of the high car, the carrier conveying mechanism 2 receives carriers conveyed by the high car 8 and conveys the carriers back to the high car 8, the high car 8 is abutted, and the carrier conveying mechanism 2 is suitable for two carriers of a box 9 and an L frame 10. The first carrier lifting mechanism 3 is installed on the first low car loading and unloading station, and the first carrier lifting mechanism 3 conveys the carriers on the low car 11 to the first carrier temporary storage station and conveys the carriers on the first carrier temporary storage station back to the low car 11. The second carrier lifting mechanism 4 is installed on the second low car loading and unloading station, and the second carrier lifting mechanism 4 conveys the carriers on the low car 11 to the second carrier temporary storage station and conveys the carriers on the second carrier temporary storage station back to the low car 11. The carrier temporary storage transplanting mechanism 5 is arranged on the first carrier temporary storage station and the second carrier temporary storage station, and the carrier temporary storage transplanting mechanism 5 receives the carrier conveyed by the first carrier lifting mechanism 3 or the second carrier lifting mechanism 4 and drives the carrier to move between the first carrier temporary storage station and the second carrier temporary storage station so as to realize the functions of loading and unloading, temporary storage and carrier transferring. The first carrier lifting mechanism 3, the second carrier lifting mechanism 4 and the carrier temporary storage transplanting mechanism 5 are applicable to the carrier such as a box 9. The PCB transplanting mechanism 6 is arranged in the frame 1, and the PCB transplanting mechanism 6 drives the PCB to move among the upper and lower material loading station, the first carrier temporary storage station, the second carrier temporary storage station and the output station of the high-speed vehicle. The PCB conveying mechanism 7 is arranged on the output station, and the PCB conveying mechanism 7 conveys the PCB of the output station to the process main line or receives the PCB conveyed back by the process main line.

Principle of operation of the conversion plate (box-to-L frame):

an empty L frame 10 is conveyed to a loading and unloading station of the high car by the high car 8, and the carrier conveying mechanism 2 receives the empty L frame 10 conveyed by the high car 8; the method comprises the steps that a low car 11 is used for conveying a box 9 carrying a PCB to a first low car loading and unloading station or a second low car loading and unloading station, taking the first low car loading and unloading station as an example, a first carrier lifting mechanism 3 receives the box 9 carrying the PCB on the low car 11 and conveys the box 9 to a first carrier temporary storage station, and a carrier temporary storage transplanting mechanism 5 receives the box 9 conveyed by the first carrier lifting mechanism 3 and temporarily stores the box 9 on the first carrier temporary storage station; then, the PCB transplanting mechanism 6 moves the PCBs on the cassette 9 onto the L frame 10 one by one until all the PCBs on the cassette 9 are transferred onto the L frame 10, thereby realizing the transfer of the PCBs on the cassette 9 and the L frame 10.

Working principle of the conversion plate (L-frame rotating box) is provided for the high car 8:

the L-shaped frame 10 carrying the PCB is conveyed to a loading and unloading station of the high car by the high car 8, and the carrier conveying mechanism 2 receives the L-shaped frame 10 carrying the PCB conveyed by the high car 8; using the low car 11 to convey an empty box 9 to a first low car loading and unloading station or a second low car loading and unloading station, taking the first low car loading and unloading station as an example, the first carrier lifting mechanism 3 receives the box 9 above the low car 11 and conveys the box 9 to a first carrier temporary storage station, and the carrier temporary storage transplanting mechanism 5 receives the box 9 conveyed by the first carrier lifting mechanism 3 and temporarily stores the box 9 on the first carrier temporary storage station; then, the PCB transplanting mechanism 6 moves the PCBs on the L frame 10 onto the box 9 one by one until all PCBs on the L frame 10 are transferred onto the box 9, so that the PCBs on the L frame 10 and the PCBs on the box 9 are transferred. The board retracting and releasing machine provided by the invention realizes automatic board retracting and releasing operation on the PCB, and realizes board switching operation between the L-shaped frame 10 and the box 9, improves the automation degree and the working efficiency of PCB production, and avoids the possibility of damaging the PCB by manpower and labor to a certain extent.

High car loading and unloading station retracting plate principle:

conveying a carrier (L frame 10 or box 9) carrying a PCB or empty to a loading and unloading station of the high vehicle by using the high vehicle 8, and receiving the carrier (L frame 10 or box 9) carrying the PCB or empty conveyed by the high vehicle 8 by using a carrier conveying mechanism 2; then, the PCB transplanting mechanism 6 moves the PCB on the PCB conveying mechanism 7 to an empty carrier (L frame 10 or box 9), so that the plate collecting of the loading and unloading station of the high car is realized, or the PCB transplanting mechanism 6 moves the PCB on the carrier (L frame 10 or box 9) carrying the PCB to the carrier conveying mechanism 2, so that the PCB is conveyed to a process main line, and the plate discharging of the loading and unloading station of the high car is realized.

Plate retraction principle of loading and unloading stations of low car 11:

the method comprises the steps that a low vehicle 11 is used for conveying a carrier (box 9) carrying a PCB or empty to a first low vehicle loading and unloading station or a second low vehicle loading and unloading station, taking the first low vehicle loading and unloading station as an example, a first carrier lifting mechanism 3 receives the carrier (box 9) carrying the PCB or empty on the low vehicle 11 and conveys the carrier (box 9) carrying the PCB or empty to a first carrier temporary storage station, and a carrier temporary storage transplanting mechanism 5 receives the carrier (box 9) carrying the PCB or empty conveyed by the first carrier lifting mechanism 3 and temporarily stores the carrier (box 9) carrying the PCB or empty on the first carrier temporary storage station; then, the PCB transplanting mechanism 6 moves the PCB on the PCB conveying mechanism 7 to an empty carrier (box 9) to realize the loading and unloading station plate collection of the low car 11, or the PCB transplanting mechanism 6 moves the PCB on the carrier (box 9) carrying the PCB to the carrier conveying mechanism 2 to further convey the PCB to a process main line to realize the loading and unloading station plate discharge of the low car 11.

Referring to fig. 4, in the present embodiment, the carrier temporary storage and transplanting mechanism 5 includes two carrier transplanting modules disposed opposite to each other along the X-axis direction, the two carrier transplanting modules are respectively located at front and rear sides of the first carrier temporary storage station and the second carrier temporary storage station, the carrier transplanting modules include a card board module 501 for supporting one side of the box 9 and an X-axis moving module 502 for driving the card board module 501 to move along the X-axis direction, the X-axis moving module 502 is fixed with the frame 1, and the card board module 501 is fixed with a movable end of the X-axis moving module 502. When the first carrier lifting mechanism 3 conveys the box 9 to the first carrier temporary storage station, the carrier transplanting module moves the clamping plate module 501 to the front side and the rear side of the first carrier temporary storage station, the clamping plate module 501 clamps the main box 9, and after the clamping plate module 501 clamps the main box 9, the clamping plate module 501 is communicated with the box 9 to move to the second carrier temporary storage station together through the X-axis moving module 502, so that the box 9 is driven to move between the first carrier temporary storage station and the second carrier temporary storage station.

Specifically, the cardboard module 501 includes cardboard cylinder 5011 and is used for holding the cardboard 5012 of box 9 one side, and cardboard cylinder 5011 is fixed with the expansion end of X axle removal module 502, and the expansion end of cardboard cylinder 5011 is fixed with cardboard 5012, and cardboard cylinder 5011 drives cardboard 5012 back and forth movement, and then through the one side that cardboard 5012 card owner box 9 corresponds.

Referring to fig. 5, in the present embodiment, the PCB transplanting mechanism 6 includes a manipulator 601, a chuck module 602 disposed at an end of the manipulator 601 for gripping a PCB, a second X-axis moving module 603 for driving the manipulator 601 to move in the Y-axis direction, and an X-axis moving module 604 for driving the manipulator 601 to move in the X-axis direction, wherein the X-axis moving module 604 is fixed to the frame 1, the second X-axis moving module 603 is fixed to a movable end of the X-axis moving module 604, and the manipulator 601 is fixed to a movable end of the second X-axis moving module 603. When the PCB transplanting mechanism 6 grabs the PCB on the box 9 or puts the PCB on the box 9, the manipulator 601 drives the sucker module 602 to be in a horizontal posture; when the PCB transplanting mechanism 6 grabs the PCB on the L-shaped frame 10 or places the PCB on the L-shaped frame 10, the manipulator 601 drives the sucker module 602 to be in an oblique angle posture. The PCB transplanting mechanism 6 drives the PCB to move among the upper and lower material loading station, the first carrier temporary storage station, the second carrier temporary storage station and the output station through the manipulator 601, the sucker module 602, the second X-axis moving module 603 and the X-axis moving module 604, and is compatible with two carriers of the L frame 10 and the box 9.

Referring to fig. 3 and 6, in the present embodiment, the top of the left and right sides of the carrier transporting mechanism 2 is provided with a supporting member 201 for temporarily storing the cover plates of the cassette 9. When some boxes 9 with cover plates are loaded at the first lower loading and unloading station or the second lower loading and unloading station, the PCB transplanting mechanism 6 can move the cover plates on the boxes 9 to the supporting piece 201 for temporary storage, so that the cover plates are prevented from influencing the retraction plates. Meanwhile, the supporting pieces 201 are arranged at the tops of the left side and the right side of the carrier conveying mechanism 2, namely normal use of the carrier conveying mechanism 2 is not affected, and the size of the device is not increased.

Referring to fig. 7, in the present embodiment, a side searching mechanism 12 for searching the sides of the PCB is disposed below the PCB conveying mechanism 7. When the PCB is received, the PCB which is conveyed back by the process main line can deviate, and the PCB transplanting mechanism 6 is easy to damage circuit elements on the PCB when grabbing the deviated PCB, so that the edge searching mechanism 12 is required to search the edge of the PCB, whether the PCB deviates or not is judged, if the deviation of the PCB is identified, the position of the PCB grabbed by the PCB transplanting mechanism 6 is required to be adjusted, and the damage to the PCB or the incapability of grabbing the PCB is avoided.

Specifically, the edge searching mechanism 12 comprises a fixing frame 1201, a translation module 1202, a moving frame 1203 and two edge searching sensors 1204, the fixing frame 1201 is fixed with the frame 1 and the translation module 1202 respectively, the moving frame 1203 is connected with the movable end of the translation module 1202, the two edge searching sensors 1204 are oppositely arranged on two sides of the moving frame 1203 and face the PCB conveying mechanism 7, the translation module 1202 drives the two edge searching sensors 1204 to move back and forth through the moving frame 1203, the two edge searching sensors 1204 search for the edges of the PCB, the edges of the PCB are identified in a two-point one-line mode, and whether the PCB is deviated or not is judged.

Referring to fig. 8, in the present embodiment, a first automatic lifting door 13 and a second automatic lifting door 14 are disposed on a rack 1, the first automatic lifting door 13 is located at the front end of a first lower car loading and unloading station, the second automatic lifting door 14 is located at the front end of a second lower car loading and unloading station, and hooks 1301 for lifting the outer cover or outer cover door of the lower car 11 are disposed at the front ends of the first automatic lifting door 13 and the second automatic lifting door 14. When the low car 11 with the outer cover (such as a heat preservation trolley and a dust prevention trolley, wherein the heat preservation trolley is provided with the heat preservation outer cover and the dust prevention trolley is provided with the dust prevention outer cover) reaches the gates of the first automatic lifting door 13 and the second automatic lifting door 14, the outer cover or the outer cover door of the low car 11 can be lifted and temporarily stored through hooks 1301 on the first automatic lifting door 13 and the second automatic lifting door 14; after the low car 11 is withdrawn, the first automatic lifting door 13 and the second automatic lifting door 14 are used for returning the outer cover or the outer cover door to the low car 11, so that the outer cover or the outer cover door of the low car 11 is automatically taken out or returned without manually taking out or returning the outer cover or the outer cover door on the low car 11, the automation degree of PCB production is further improved, and the cost of workers is saved.

Referring to fig. 5 and 9, further, two sides of the bottoms of the first lower cart loading and unloading station and the second lower cart loading and unloading station are respectively provided with a lower cart guiding and positioning mechanism 15 for guiding and positioning the lower cart 11, the lower cart guiding and positioning mechanism 15 comprises two cart guiding strips 1501 which are oppositely arranged, the distance between the two cart guiding strips 1501 is matched with the width of the cart, a row of cart guiding wheels 1502 are arranged on the inner sides of the guiding strips, and the positions of the lower carts 11 entering the first lower cart loading and unloading station or the second lower cart loading and unloading station can be prevented from being deviated through the cart guiding wheels 1502 on the two sides, so that the normal operation of the equipment is affected. Meanwhile, a positioning cylinder 1503 and a blocking cylinder 1504 are sequentially arranged at the front end of the trolley guide bar 1501 from front to back, a positioning bar 1505 for positioning the low vehicle 11 is arranged at the movable end of the positioning cylinder 1503, a blocking bar 1506 for blocking the low vehicle 11 is arranged at the movable end of the blocking cylinder 1504, and a low vehicle sensor 1507 for sensing the position of the low vehicle 11 is arranged on the blocking bar 1506. Through the above-described setting of the positioning cylinder 1503, the stop cylinder 1504, the positioning bar 1505, the stop bar 1506 and the low car sensor 1507, the accurate taking and placing of the outer cover of the low car 11 by the hook 1301 can be ensured.

When the low car 11 with the outer cover enters the first low car loading and unloading station or the second low car loading and unloading station, taking the first low car loading and unloading station as an example, the car blocking cylinder 1504 is started, the car blocking strip 1506 extends to block the low car 11 firstly, the low car 11 is not allowed to enter, the low car sensor 1507 senses the low car 11, the positioning cylinder 1503 is started, the positioning strip 1505 extends to accurately fix the low car 11, the low car 11 cannot move, then the first automatic lifting door 13 lifts the outer cover or the outer cover door by using the hook 1301 on the door, after the first automatic lifting door is lifted in place, the car blocking cylinder 1504 retracts the car blocking strip 1506, the positioning cylinder 1503 retracts the positioning strip 1505, and the low car 11 can enter the first low car loading and unloading station. After the low car 11 is withdrawn from the first low car loading and unloading station, the car blocking cylinder 1504 is started again, the car blocking strip 1506 extends to block the low car 11, the positioning cylinder 1503 is started after the low car sensor 1507 senses the low car 11, the positioning strip 1505 extends to accurately fix the low car 11, the low car 11 cannot move, and then the first automatic lifting door 13 falls to put the housing or the housing door back onto the low car 11.

Referring to fig. 1 and 5, in the present embodiment, a height locking mechanism 16 for locking the height cart 8 is provided at the front end of the loading and unloading station of the height cart, so as to avoid random sliding of the height cart 8, so that the carrier on the height cart 8 can be smoothly pushed into the loading and unloading station of the height cart or smoothly pushed back to the height cart 8. The rear ends of the first low vehicle loading and unloading station and the second low vehicle loading and unloading station are respectively provided with a low vehicle locking mechanism 17 for locking the low vehicle 11, so that the low vehicle 11 is prevented from sliding randomly when in the first low vehicle loading and unloading station or the second low vehicle loading and unloading station, and the first carrier lifting mechanism 3 or the second carrier lifting mechanism 4 can smoothly receive carriers on the low vehicle 11.

Referring to fig. 10, in this embodiment, the device further includes a dust-proof cover 18, where the dust-proof cover 18 covers the rack 1 to provide a dust-free environment, so as to prevent external dust from polluting the PCB board when the board is retracted or converted. The dustproof outer cover 18 is provided with a computer 1801, a working panel 1802 and a code scanner 1803, the working panel 1802 is matched with the computer 1801 to control the operation of equipment, and the code scanner 1803 is used for verifying the use authority of staff, so that staff without authority can be prevented from randomly controlling the equipment.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

While the invention has been described above with reference to the accompanying drawings, it will be apparent that the implementation of the invention is not limited by the above manner, and it is within the scope of the invention to apply the inventive concept and technical solution to other situations as long as various improvements made by the inventive concept and technical solution are adopted, or without any improvement.

Claims

1. A convertible and retractable PCB retraction plate machine, comprising:

the automatic lifting device comprises a rack, wherein a high-car loading and unloading station, a first low-car loading and unloading station, a second low-car loading and unloading station, a first carrier temporary storage station, a second carrier temporary storage station and an output station are arranged in the rack, the first carrier temporary storage station is positioned above the first low-car loading and unloading station, the second carrier temporary storage station is positioned above the second low-car loading and unloading station, a first automatic lifting door and a second automatic lifting door are arranged on the rack, the first automatic lifting door is positioned at the front end of the first low-car loading and unloading station, the second automatic lifting door is positioned at the front end of the second low-car loading and unloading station, and hooks for lifting a housing or a housing door of a low car are arranged at the front ends of the first automatic lifting door and the second automatic lifting door;

the carrier conveying mechanism is arranged on the loading and unloading station of the high car, and is used for receiving the carrier conveyed by the high car and conveying the carrier back to the high car; the top parts of the left side and the right side of the carrier conveying mechanism are provided with supporting pieces for temporarily storing cover plates of carriers;

the PCB transplanting mechanism is arranged in the frame and drives the PCB to move among the upper and lower loading stations, the first carrier temporary storage station, the second carrier temporary storage station and the output station;

the PCB collecting and releasing machine is used for a conversion plate between the L frame and the box carrier;

when the box rotates to an L frame, an empty L frame is conveyed to a loading and unloading station of the high car by the high car, and the carrier conveying mechanism receives the empty L frame conveyed by the high car; the method comprises the steps that a low vehicle is used for conveying a box carrying a PCB to a first low vehicle loading and unloading station or a second low vehicle loading and unloading station, when the low vehicle is used for conveying the box carrying the PCB to the first low vehicle loading and unloading station, the first carrier lifting mechanism is used for receiving the box carrying the PCB on the low vehicle and conveying the box to the first carrier temporary storage station, and the carrier temporary storage transplanting mechanism is used for receiving the box conveyed by the first carrier lifting mechanism and temporarily storing the box to the first carrier temporary storage station; then, the PCB transplanting mechanism moves the PCBs on the box onto the L frames one by one until all PCBs on the box are transferred onto the L frames;

when the L frames rotate the box, an L frame carrying the PCB is conveyed to a loading and unloading station of the high car by the high car, and the carrier conveying mechanism receives the L frame carrying the PCB conveyed by the high car; when the low vehicle conveys an empty box to the first low vehicle loading and unloading station, the first carrier lifting mechanism receives the empty box above the low vehicle and conveys the box to the first carrier temporary storage station, and the carrier temporary storage transplanting mechanism receives the box conveyed by the first carrier lifting mechanism and temporarily stores the box in the first carrier temporary storage station; and then, the PCB transplanting mechanism moves the PCBs on the L frames to the boxes one by one until all PCBs on the L frames are transferred to the boxes.

2. The PCB folding and unfolding board machine capable of being converted and folded and unfolded according to claim 1, wherein the carrier temporary storage and transplanting mechanism comprises two carrier transplanting modules which are oppositely arranged along the X-axis direction, the two carrier transplanting modules are respectively positioned at the front side and the rear side of the first carrier temporary storage station and the second carrier temporary storage station, the carrier transplanting modules comprise a clamping board module used for supporting one side of a carrier and an X-axis moving module used for driving the clamping board module to move along the X-axis direction, the X-axis moving module is fixed with the frame, and the clamping board module is fixed with the movable end of the X-axis moving module.

3. The PCB retrieving and retrieving machine according to claim 1, further comprising a PCB transporting mechanism mounted on the output station, wherein the PCB transporting mechanism transports the PCB of the output station to a process main line or receives the PCB transported back by the process main line.

4. A convertible and retractable PCB retrieving and releasing plate machine as claimed in claim 3, characterized in that a searching mechanism for searching the edges of the PCB is arranged below the PCB transporting mechanism.

5. The PCB retrieving and retrieving machine of claim 1, wherein the first lower carriage loading and unloading station and the second lower carriage loading and unloading station are provided with lower carriage guiding and positioning mechanisms for guiding and positioning the lower carriage on both sides of the bottom.

6. The PCB folding and unfolding board machine capable of being converted and folded and unfolded according to claim 5, wherein the low car guiding and positioning mechanism comprises two car guiding strips which are oppositely arranged, the distance between the two car guiding strips is matched with the width of a car, a row of car guiding wheels are arranged on the inner side of the guiding strips, a positioning cylinder and a car blocking cylinder are sequentially arranged at the front end of the car guiding strips from front to back, a positioning strip for positioning the low car is arranged at the movable end of the positioning cylinder, and a car blocking strip for blocking the low car is arranged at the movable end of the car blocking cylinder.

7. The PCB retrieving and retrieving board machine of claim 6, wherein the bumper bar is provided with a low car sensor for sensing a low car position.

8. The PCB retrieving and retrieving machine of claim 1, wherein the rear ends of the first and second lower carriage loading and unloading stations are respectively provided with a lower carriage locking mechanism for locking the lower carriage.