CN112591462A

CN112591462A - PCB board collecting and releasing machine

Info

Publication number: CN112591462A
Application number: CN202011467460.7A
Authority: CN
Inventors: 管术春; 杜安雄; 巩杰; 高华; 陈炯辉; 陈勇
Original assignee: Huangshi Guanghe Precision Circuit Co ltd
Current assignee: Huangshi Guanghe Precision Circuit Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-04-02

Abstract

The invention discloses a PCB board collecting and releasing machine, which comprises a rack, a transmission section, a mechanical arm, a control mechanism and a width-adjusting suction and hanging mechanism, wherein the transmission section is arranged on a workbench of the rack and used for transmitting a PCB board; the mechanical arm is arranged at the top end of the rack and used for grabbing the PCB and sending the PCB to the transmission section; the control mechanism comprises an MES system, an EAP system and a PLC controller, wherein the MES system is used for obtaining the width size of the PCB, and the PLC controller is used for obtaining the information transmitted by the MES system through the EAP system; the width-adjusting suction hanging mechanism comprises a suction hanging assembly used for adsorbing the PCB and a width-adjusting assembly used for adjusting the position of the suction hanging assembly, and the width-adjusting assembly is connected with the control mechanism. The width-adjusting suction and suspension mechanism is arranged, the MES system issues an instruction to reach the width-adjusting suction and suspension mechanism to automatically adjust the distance of the suction nozzle, automatic width adjustment of the automatic equipment is realized, the PCB is sucked and suspended, manual secondary adjustment is not needed, and the continuous production of the automatic equipment is further improved.

Description

PCB board collecting and releasing machine

Technical Field

The invention relates to the technical field, in particular to a PCB board collecting and releasing machine.

Background

In PCB board production process, need receive and release the trigger with the PCB board receive and release and put and deposit in the frame, make things convenient for the staff to arrange in order the PCB board, packing work, it is the development trend of an trade to replace the manual work to receive the board through automation equipment, receive and release trigger various on the market, the current receive and release trigger for the PCB board still has many weak points when using, the degree of automation of current receive and release trigger for the PCB board when using is low, it wastes time and energy to use, and receive and release trigger can only be to the same width, the PCB board of thickness size carries out the work of receiving and releasing, the adaptation is than lower, can't be automatic according to the position of PCB board size adjustment suction nozzle, lead to the suction nozzle directly to inhale on the face, there is the risk of damaging the face.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a PCB (printed circuit board) board collecting and releasing machine, which solves the problem that the position of a suction nozzle of the existing PCB board collecting and releasing machine cannot be adjusted according to the size of the PCB.

The purpose of the invention is realized by the following technical scheme: a PCB board collecting and releasing machine comprises a rack, a transmission section, a mechanical arm, a control mechanism and a width-adjusting suction and lifting mechanism, wherein the transmission section is arranged on a workbench of the rack and used for transmitting a PCB board; the mechanical arm is arranged at the top end of the rack and used for grabbing the PCB and sending the PCB to the transmission section; the control mechanism comprises an MES system, an EAP system and a PLC controller, wherein the MES system is used for obtaining the width size of the PCB, and the PLC controller is used for obtaining the information transmitted by the MES system through the EAP system; the width-adjusting suction hanging mechanism comprises a suction hanging assembly used for adsorbing the PCB and a width-adjusting assembly used for adjusting the position of the suction hanging assembly, and the width-adjusting assembly is connected with the control mechanism.

Preferably, transfer wide subassembly to include servo mechanism, first belt pulley, second belt pulley, first swivel bearing, second swivel bearing, levogyration lead screw and dextrorotation lead screw, servo mechanism is connected with the PLC controller, servo mechanism's output shaft is connected with first swivel bearing and second swivel bearing, first swivel bearing and first belt pulley transmission are connected, second swivel bearing is connected with second belt pulley transmission, levogyration lead screw both ends respectively with first belt pulley, inhale hang the subassembly and be connected, dextrorotation lead screw both ends respectively with the second belt pulley, inhale hang the subassembly and be connected.

Preferably, the left-handed screw rod and the right-handed screw rod are both provided with two screw rods, and the two screw rods are symmetrically arranged by taking a connecting line between the first belt pulley and the second belt pulley as a symmetry axis.

Preferably, the sucking and hanging assembly comprises a first suction nozzle mounting plate, a second suction nozzle mounting plate and a suction nozzle arranged below the first suction nozzle mounting plate and the second suction nozzle mounting plate, the first suction nozzle mounting plate and the second suction nozzle mounting plate are connected with the width adjusting assembly, and the suction nozzle is used for adsorbing a PCB.

Preferably, a rotating mechanism is arranged above the width-adjusting suction hanging mechanism and used for driving the PCB to rotate.

Preferably, rotary mechanism includes revolving cylinder, revolution mechanic fixed disk, hydraulic buffer and cushion, the cushion passes through the bottom connection pad with revolving cylinder and is connected, and the cushion sets up with hydraulic buffer is perpendicular, hydraulic buffer and revolution mechanic fixed disk fixed connection.

Preferably, the frame includes first work platform, second work platform and third work platform, first work platform is equipped with the tray and keeps in the station, is equipped with the space that supplies the AGV dolly to come and go between first work platform and the second work platform, second work platform is equipped with the production station, third work platform is equipped with and remains production station or the station of keeping in.

Preferably, a tray temporary storage station is arranged on the side face of the first working platform, and the AGV trolley is used for taking away or sending trays from the tray temporary storage station.

Preferably, the third working platform is further provided with an abnormal plate temporary storage station, and the abnormal plate temporary storage station is used for temporary storage of the abnormal plate in the production process.

According to the scheme, the invention has the following beneficial effects:

1. the PCB board collecting and releasing machine provided by the invention is provided with the width-adjusting suction and hanging mechanism, the distance from the command to the width-adjusting suction and hanging mechanism to automatically adjust the suction nozzle is issued by the MES system, the PCB board is sucked and hung by automatic width adjustment of automatic equipment, manual secondary adjustment is not needed, and the continuous production of the automatic equipment is further improved.

2. The PCB is also provided with a rotating mechanism, the rotating mechanism is provided with an oil buffer and a buffer pad, the buffer pad can collide with the oil buffer in the rotating process, the impact force caused by rotation is gradually weakened along with the contact with the oil buffer by utilizing the pressure reducing and force unloading functions of the oil buffer, and the problem of rebound caused by rebound force can be avoided when the PCB rotates to a specified position, so that the PCB can be automatically rotated without deviation.

3. The width adjusting assembly drives a first rotating shaft and a second rotating bearing to rotate through a servo mechanism, the first rotating shaft drives a left-handed screw rod to rotate through a first belt pulley, the second rotating bearing drives a right-handed screw rod to rotate through a second belt pulley, the left-handed screw rod and the right-handed screw rod respectively drive a first suction nozzle mounting plate and a second suction nozzle mounting plate to move inwards or outwards simultaneously, and the purpose of adjusting the position of a suction nozzle is achieved.

4. A space for the AGV to move back and forth is arranged between the first working platform and the second working platform of the rack, a tray temporary storage station is arranged on the side face of the first working platform, the PCB and the tray can be automatically collected and released through the AGV, and manual secondary carrying is not needed.

5. The third work platform of frame has increased unusual board station of keeping in, has kept in to the board that has the abnormality in the production process, if the production line in-process has appeared unusual board, then receive and release the trigger and put unusual board temporarily automatically on unusual board station, then whole production line can not stop continuous production, realizes PCB board receive and release the continuity production of trigger.

Drawings

The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.

Fig. 1 is a schematic structural view of a PCB board collecting and releasing machine provided by the present invention.

Fig. 2 is a schematic structural view of the width-adjusting suction-hoisting mechanism provided by the invention.

Fig. 3 is a schematic structural diagram of the rotating mechanism provided in the present invention.

Fig. 4 is a left side view of the rotating mechanism provided by the present invention.

Wherein the reference numbers are as follows:

1. a frame; 2. a transmission section; 3. a mechanical arm; 5. a width-adjusting suction hoisting mechanism; 6. a rotation mechanism; 60. a rotating cylinder; 10. a first work platform; 11. a second work platform; 12. a third working platform; 61. a rotating structure fixing disc; 62. a hydraulic shock absorber; 63. a cushion pad; 64. a bottom connecting disc; 70. a first suction nozzle mounting plate; 71. a second suction nozzle mounting plate; 72 a suction nozzle; 80. a servo mechanism; 81. a first rotary bearing; 82. a second rotary bearing; 83. a first pulley; 84. a second pulley; 85. a left-handed screw rod; 86. a right-handed screw rod; 100. a temporary storage station of the tray; 110. a production station; 120. a production station; 121. and an abnormal plate temporary storage station.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

As shown in fig. 1, the PCB board collecting and releasing machine of the present embodiment includes a rack 1, a transmission section 2, a mechanical arm 3, a control mechanism and a width-adjusting suction and hanging mechanism 5, wherein the transmission section 2 is arranged on a workbench of the rack 1 and is used for transmitting a PCB board; the mechanical arm 3 is arranged at the top end of the rack 1 and used for grabbing the PCB and sending the PCB to the transmission section 2; the control mechanism comprises an MES system, an EAP system and a PLC controller, wherein the MES system is used for obtaining the width size of the PCB, and the PLC controller is used for obtaining the information transmitted by the MES system through the EAP system; the width-adjusting suction hanging mechanism 5 comprises a suction hanging assembly used for adsorbing the PCB and a width-adjusting assembly used for adjusting the position of the suction hanging assembly, and the width-adjusting assembly is connected with the control mechanism.

As shown in fig. 2, the width adjusting assembly comprises a servo mechanism 80, a first rotating bearing 81, a second rotating bearing 82, a first belt pulley 83, a second belt pulley 84, a left-handed screw rod 85 and a right-handed screw rod 86, the servo mechanism 80 is connected with a PLC controller, an output shaft of the servo mechanism 80 is connected with the first rotating bearing 81 and the second rotating bearing 82, the first rotating bearing 81 is in transmission connection with the first belt pulley 83, the second rotating bearing 82 is in transmission connection with the second belt pulley 84, two ends of the left-handed screw rod 85 are respectively connected with the first belt pulley 83 and a suction hanging assembly, and two ends of the right-handed screw rod 86 are respectively connected with the second belt pulley 84 and the suction hanging assembly. The working principle of the width adjusting component is as follows: the servo mechanism 80 is started, the servo mechanism 80 drives the first rotating shaft 81 and the second rotating bearing 82 to rotate, the first rotating shaft 81 drives the left-handed screw rod 85 to rotate through the first belt pulley 83, and the second rotating bearing 82 drives the right-handed screw rod 86 to rotate through the second belt pulley 84.

The width adjusting assembly provided by the embodiment utilizes the linkage effect of the rotary bearing, and realizes that one servo mechanism 80 simultaneously drives the left-handed screw rod 85 and the right-handed screw rod 86 to rotate.

Furthermore, the levogyration lead screw 85 and the dextrorotation lead screw 86 are both provided with two, two the levogyration lead screw 85, two the dextrorotation lead screw 86 all uses the line between first belt pulley 83 and the second belt pulley 84 to set up as symmetry axis symmetry, has guaranteed the symmetry, has realized simultaneously that the absorption hangs the PCB board and can only inhale the hanging plate edge, can not touch the PCB inboard figure, has avoided wiping flower because of the touching of suction nozzle 72 leads to completely to the flow that requires high such as brown ization, etching, etc. simultaneously transfers the width to inhale hanging mechanism 5 and reaches "well" style of calligraphy design, can guarantee the PCB board better and inhale the stability of hanging the in-process.

As shown in fig. 2, the suction hanging assembly includes a first suction nozzle mounting plate 70, a second suction nozzle mounting plate 71, and a suction nozzle 72 disposed below the first suction nozzle mounting plate 70 and the second suction nozzle mounting plate 71, the first suction nozzle mounting plate 70 is connected to a left-handed screw 85, the second suction nozzle mounting plate 71 is connected to a right-handed screw 86, and the suction nozzle 72 is used for sucking a PCB.

The working principle of the width-adjustable suction hanging mechanism provided by the embodiment is as follows: the width size of the PCB is called through an MES system, the MES system sends the width size of the PCB to a PLC controller through an EAP system, the PLC controller calculates the width size of the PCB through a servo mechanism 80 to obtain related servo pulse data, and then drives a first belt pulley 83 and a second belt pulley 84 to travel corresponding paths, the first belt pulley 83 and the second belt pulley 84 drive a left-handed screw rod 85 and a right-handed screw rod 86 to rotate together, the left-handed screw rod 85 and the right-handed screw rod 86 respectively drive a first suction nozzle mounting plate 70 and a second suction nozzle mounting plate 71 to move inwards or outwards at the same time, and therefore the position of a suction nozzle 72 is adjusted to reach the corresponding width size of the PCB.

The existing PCB board collecting and releasing machine is in the process of collecting and releasing boards, because the speed is high, the PCB board is conveyed by a single suction and hanging screw rod in the conveying process, the board surface is easy to shake and the risk of board falling is increased, the width-adjusting suction and hanging mechanism 5 in the embodiment realizes suction and hanging of a structure shaped like a Chinese character 'jing' through the arrangement of the left-handed screw rod 85 and the right-handed screw rod 86, and the stability of the PCB board in the conveying process is improved.

Transfer wide suction hanging mechanism 5 top and be equipped with rotary mechanism 6 for it is rotatory to drive the PCB board, as shown in fig. 3 and fig. 4, rotary mechanism 6 includes revolving cylinder 60, revolution mechanic fixed disk 61, hydraulic buffer 62 and cushion 63, cushion 63 is connected through bottom connection pad 64 with revolving cylinder 60, and cushion 63 sets up with hydraulic buffer 62 is perpendicular, hydraulic buffer 62 and revolution mechanic fixed disk 61 fixed connection.

The working principle of the rotating mechanism provided by the embodiment is as follows: when the revolving cylinder 60 is operated, the revolving cylinder 60 drives the cushion pad 63 to revolve together, when the revolving angle is close to 90 ° or 270 °, the cushion pad 63 collides with the hydraulic buffer 62, and by using the pressure reducing and force releasing function of the hydraulic buffer 62, it is worth explaining that the hydraulic buffer 62 has excellent and stable deceleration and shock absorption performance, when receiving load impact, the resistance can be automatically adjusted, the impact force caused by revolving gradually weakens along with the contact with the hydraulic buffer 62, and when the revolving cylinder rotates to a specified position, the problem of rebound due to rebound force can not occur any more.

When present PCB board collecting and releasing machine need rotate the PCB board at the collecting and releasing in-process, need dispose a rotating equipment alone, compare in conventional rotating equipment can appear slight resilience because of bounce-back after rotatory at rotatory in-process through revolving cylinder, lead to the PCB board can't just rotate to 90 or the position that 270 corresponds, rotary mechanism 6 in this embodiment not only can realize PCB board autogiration, can also guarantee that the PCB board is under the unchangeable condition of central point, the PCB board after the rotation also is placed between two parties and is not had the skew.

As shown in fig. 1, the rack 1 includes a first working platform 10, a second working platform 11 and a third working platform 12, a space for the AGV to move back and forth is provided between the first working platform 10 and the second working platform 11, the first working platform 10 is provided with a temporary tray storage station 100, the second working platform 11 is provided with a production station 110, and the third working platform 12 is provided with a station 120 to be produced or a temporary storage station, further, when the board placing action of the pick-and-place machine is performed, the third working platform 12 is provided with a station 120 to be produced, and the prepared PCB board can be transferred to the station 120 to be produced, so that the production can be continued, and the production continuity is ensured; when the board collecting and releasing machine carries out the board collecting action, the third working platform 12 is provided with a temporary storage station, when the production station is full of the PCB boards, the slowed boards can be transmitted to the temporary storage station, and thus the production station can continue to collect the boards, and the production continuity is ensured.

Further, the station 100 of keeping in of tray is established the side of first work platform 10, and the station 100 of keeping in of tray is corresponding with AGV dolly position, can let AGV dolly take away or send the tray from the side, has saved spatial position and has realized again that automatic getting is put the chassis promptly, need not artifical transport, saves the cost of labor.

Furthermore, the third working platform 12 is further provided with an abnormal plate temporary storage station 121, the abnormal plate temporary storage station 121 is arranged above the to-be-produced station or temporary storage station 120 and used for temporary storage of abnormal plates in the production process, the abnormal plate temporary storage station 121 is added, the abnormal plates are temporarily stored in the production process, if the abnormal plates occur in the production line process, the retractable plate machine automatically temporarily places the abnormal plates on the abnormal plate temporary storage station 121, and the whole production line can continue production without stopping.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. a PCB board retractable board machine, is characterized in that: comprise:

frame;

a transmission section, which is arranged on the workbench of the rack and is used to transport the PCB board;

a robotic arm, which is arranged at the top of the rack and is used to grab the PCB board and send it to the transmission section;

a control mechanism, the control mechanism includes an MES system, an EAP system and a PLC controller, the MES system is used to obtain the width dimension of the PCB board, and the PLC controller obtains the information transmitted by the MES system through the EAP system;

A width-adjusting suction-hoisting mechanism includes a suction-and-hoisting assembly for sucking a PCB board and a width-adjusting assembly for adjusting the position of the suction-hoisting assembly, the width-adjusting assembly is connected to a control mechanism.

2 . The PCB board retractor according to claim 1 , wherein the width adjustment component comprises a servo mechanism, a first pulley, a second pulley, a first rotary bearing, a second rotary bearing, a left-handed A screw and a right-hand screw, the servo mechanism is connected with the PLC controller, the output shaft of the servo mechanism is connected with the first rotating bearing and the second rotating bearing, and the first rotating bearing and the first pulley are connected in a driving manner, The second rotating bearing is connected with the second pulley in a driving manner, the two ends of the left-handed screw rod are respectively connected with the first pulley and the suction-hoisting assembly, and the two ends of the right-handed screw rod are respectively connected with the second pulley and the suction-hoisting assembly.

3. A kind of PCB board retractor according to claim 2, it is characterized in that: described left-handed screw and right-handed screw are provided with two, two described left-handed screw, two described right-handed screw The screw rods are symmetrically arranged with the connection line between the first pulley and the second pulley as the symmetry axis.

4 . The PCB board receiving and placing machine according to claim 1 , wherein the suction and lifting assembly comprises a first suction nozzle mounting plate, a second suction nozzle mounting plate and a mounting plate arranged on the first suction nozzle mounting plate. 5 . , The suction nozzle below the second suction nozzle installation plate, the first suction nozzle installation plate and the second suction nozzle installation plate are both connected with the width adjustment component, and the suction nozzle is used for adsorbing the PCB board.

5 . The PCB board receiving and unloading machine according to claim 1 , wherein a rotating mechanism is provided above the width-adjusting suction-hoisting mechanism for driving the PCB board to rotate. 6 .

6 . The PCB board receiving and unloading machine according to claim 5 , wherein the rotating mechanism comprises a rotating cylinder, a rotating structure fixing plate, an oil pressure buffer and a buffer pad, and the buffer pad is connected to the rotating cylinder. 7 . Connected by the bottom connecting plate, the buffer pad is vertically arranged with the oil pressure buffer, and the oil pressure buffer is fixedly connected with the fixed plate of the rotating structure.

7. The PCB board receiving and unloading machine according to claim 1, wherein the frame comprises a first working platform, a second working platform and a third working platform, and the first working platform is provided with A pallet temporary storage station, a space for the AGV trolley to go back and forth is provided between the first working platform and the second working platform, the second working platform is provided with a production station, and the third working platform is provided with a production station or Temporary work station.

8 . The PCB board retractor according to claim 7 , wherein: the side of the first working platform is provided with a pallet temporary storage station, and the AGV trolley is used to take away or send it in. 9 . The pallet of the pallet staging station.

9 . The PCB board receiving and unloading machine according to claim 7 , wherein: the third working platform is further provided with an abnormal board temporary storage station, and the abnormal board temporary storage station is used in production. 10 . Temporary storage of abnormal boards during the process.