CN217985571U

CN217985571U - PCB material loading moves back PIN device

Info

Publication number: CN217985571U
Application number: CN202222090248.4U
Authority: CN
Inventors: 刘光邵; 刘光军; 刘志辉
Original assignee: Hunan Keluheng Intelligent Technology Co ltd
Current assignee: Hunan Keluheng Intelligent Technology Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-12-06
Anticipated expiration: 2032-08-10

Abstract

The utility model discloses a PCB feeding and PIN returning device, which comprises a frame, wherein a double-station feeding mechanism and a turnover PIN returning mechanism are arranged on the frame; the double-station feeding mechanism comprises a material taking mechanism and two lifting devices, and the lifting devices are connected with a feeding supporting plate; the overturning and PIN withdrawing mechanism comprises a machine vision system and first vertical telescopic devices arranged on two sides of the PCB conveying mechanism, the first vertical telescopic devices are connected with first transverse telescopic devices, the first transverse telescopic devices are connected with first rotating devices, and the first rotating devices are connected with PCB clamping jaws. The utility model adopts double-station feeding, thereby the PCB can be fed uninterruptedly, and the continuity of the PIN withdrawing and tapping work of the PCB is improved; the PIN withdrawing mechanism is arranged in a turning mode, the PCB is reversed by 180 degrees as required, and the normal and continuous situation that the PIN withdrawing is all downward is guaranteed, and the phenomenon that the PIN withdrawing cannot be achieved due to the fact that the PCB is placed in an incorrect direction is avoided.

Description

PCB material loading moves back PIN device

Technical Field

The utility model relates to the field of machinary, especially, relate to a PCB material loading moves back PIN device.

Background

Tapping and PIN withdrawing are used as important processes in the circuit board production process, and in order to realize automatic tapping and PIN withdrawing, people develop an automatic tapping and PIN withdrawing device, such as an automatic production line for tapping and PIN withdrawing of a PCB disclosed in a novel patent CN 214675893U. However, the existing glue tapping and PLN returning device has only one feeding mechanism, and the feeding mechanism needs to raise the thickness of a PCB plate every time according to the process, so that after the PCB plate in the feeding mechanism is used up, the feeding mechanism needs to wait for the feeding mechanism to descend back to the original station, and the feeding mechanism needs to work again after placing the PCB plate again, so that the process of tapping and PLN returning of the PCB plate cannot be continuously performed.

In addition, before the PIN is withdrawn, the PIN PINs protrude out of the surface of the PCB board, so that the PCB boards are difficult to stack together in the same orientation. The existing method is generally that the plate surface is fed manually one by one, and the efficiency is low. And thirdly, the existing PCB has different format specifications, and the existing PIN retreating glue cutting board separator cannot be adjusted according to the size of the format of the PCB.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a PCB material loading moves back PIN device.

The purpose of the utility model is realized through the following technical scheme:

a PCB feeding and PIN returning device comprises a rack, wherein a double-station feeding mechanism and a turnover PIN returning mechanism are mounted on the rack; the double-station feeding mechanism comprises a material taking mechanism and two lifting devices, and the lifting devices are connected with a feeding supporting plate; the material taking mechanism comprises a transverse translation mechanism, the transverse translation mechanism is connected with a longitudinal translation mechanism, and the longitudinal translation mechanism is connected with a material sucking disc through a vertical lifting device; the turnover PIN withdrawing mechanism comprises first vertical telescopic devices positioned on two sides of the PCB conveying mechanism, the first vertical telescopic devices are connected with first transverse telescopic devices, the first transverse telescopic devices are connected with first rotating devices, and the first rotating devices are connected with PCB clamping jaws; a clamping plate is fixed on the PCB clamping jaw; a first n-shaped frame is fixed above the PCB conveying mechanism, and a PIN withdrawing cylinder is fixed on the first n-shaped frame.

In a further improvement, the lifting device is a servo lifting mechanism; and the transverse translation mechanism and the longitudinal translation mechanism are linear motors.

In a further improvement, the first vertical telescopic device and the first transverse telescopic device are both air cylinders or screw rod mechanisms; the first rotating device is a rotating motor.

The feeding tray is further improved, a plurality of PCBs (printed circuit boards) to be subjected to PIN withdrawal and tapping are stacked on the feeding tray, wherein the backs of every two PCB aluminum sheets are contacted with each other to be transversely arranged as a small group, then the backs of the other two PCB aluminum sheets are contacted with each other to be arranged longitudinally as another small group, so that PIN needles are avoided being arranged in rows, and thus the four PCBs form a large group and are repeatedly stacked and placed by taking the large group as a unit; the placing sequence of each large group of PCB boards is the same.

The utility model discloses following beneficial effect has.

1. And double-station feeding is adopted, so that the PCB can be continuously fed, and the continuity of PIN withdrawing and tapping work of the PCB is improved.

2. Set up the upset and move back PIN mechanism, confirm according to the feeding order, whether the PIN needle sets up down to reverse PCB board 180 as required, guaranteed to move back the whole normal and continuous going down of PIN, overcome the difficult circumstances of piling up automatic feed of current PCB board.

3. Move back and installed CCD identification system additional on the PIN station, CCD is used for discerning the backing plate 1 time and uses, 2 times, and whether the backing plate is porose with CCD discernment backing plate non-drilling face for 1 time, if do not have the hole to judge for 1 time usefulness, if porose for 2 times, system remembers after this discernment, when treating the product to divide the backing plate station, divides the backing plate station can distinguish the position of keeping in automatically.

Drawings

The present invention is further explained by using the attached drawings, but the content in the attached drawings does not constitute any limitation to the present invention.

FIG. 1 is a schematic view of the overall structure of a full-automatic PCB PIN-stripping and tapping board separator

FIG. 2 is a schematic structural diagram of a double-station feeding mechanism and a turnover PIN withdrawing mechanism;

FIG. 3 is a schematic structural diagram of a first rotating mechanism and a short-edge tapping mechanism;

FIG. 4 is a schematic structural diagram of an aluminum sheet separating mechanism and a PCB and backing plate separating mechanism;

fig. 5 is a schematic structural view of the tie plate storage device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1 and fig. 2, the full-automatic PCB board separating machine for PCB PIN withdrawing and tapping comprises a frame 10, wherein a double-station feeding mechanism 1, a turnover PIN withdrawing mechanism 2 and a PCB board conveying mechanism are installed on the frame 10, and a first rotating mechanism 3, a short-edge glue cutting mechanism 4, a second rotating mechanism 5, a long-edge glue cutting mechanism 6, an aluminum sheet separating mechanism 7 and a PCB board and backing board separating mechanism 8 are sequentially installed along the transmission direction of the PCB board conveying mechanism.

In a further improvement, the double-station feeding mechanism 1 comprises a material taking mechanism 101 and two lifting devices 102, and the lifting devices 102 are connected with a feeding supporting plate 103; the material taking mechanism 101 comprises a transverse translation mechanism 1011, the transverse translation mechanism 1011 is connected with a longitudinal translation mechanism 1012, and the longitudinal translation mechanism 1012 is connected with a material sucking disc 1014 through a vertical lifting device 1013.

The lifting device 102 is a servo lifting mechanism; the transverse translation mechanism 1011 and the longitudinal translation mechanism 1012 are both linear motors.

The overturning PIN withdrawing mechanism 2 comprises first vertical telescopic devices 201 which are positioned at two sides of the PCB conveying mechanism, the first vertical telescopic devices 201 are connected with first transverse telescopic devices 202, the first transverse telescopic devices 202 are connected with first rotating devices 203, and the first rotating devices 203 are connected with PCB clamping claws 204; a clamping plate 205 is fixed on the PCB clamping jaw 204; a first n-shaped frame 207 is fixed above the PCB conveying mechanism, and a PIN withdrawing cylinder 208 is fixed on the first n-shaped frame 207; the first vertical telescopic device 201 and the first horizontal telescopic device 202 are both air cylinders or screw rod mechanisms; the first rotating device 203 is a rotating electric machine.

The first rotating mechanism 3 and the second rotating mechanism 5 both comprise a second n-shaped frame 301 positioned on the PCB board conveying mechanism, a second rotating device 302 is connected onto the second n-shaped frame 301, the second rotating device 302 is connected with a lifting telescopic device 303, the lifting telescopic device 303 is uniformly fixed with a plurality of fan fins 304 along the circumferential direction, and first electric suction cups 305 are mounted on the fan fins 304; the second rotating device 302, the second rotating device 302 is a rotating motor, and the lifting telescopic device 303 is a cylinder or a screw rod mechanism.

The short-side tapping mechanism 4 and the long-side tapping mechanism 6 both comprise second transverse telescopic devices 401 positioned at two sides of the PCB conveying mechanism, the second transverse telescopic devices 401 are connected with a mounting frame 402, and a conveying belt 403 and a laser tapping machine 404 are mounted on the mounting frame 402; the second lateral expansion device 401 is a cylinder or a screw mechanism.

The aluminum sheet separating mechanism 7 and the PCB separating and backing plate mechanism 8 both comprise a mounting rack 701 mounted on the rack 10, a third transverse expansion device 702 and a second vertical expansion device 705 are respectively mounted at two ends of the mounting rack 701, the third transverse expansion device 702 is connected with a vertical connecting rod 703, the vertical connecting rod 703 is connected with a transverse mounting rack 704, and a conveyor belt 707 is mounted on the transverse mounting rack 704; the second vertical telescopic device 705 is connected with a row of electric suction nozzles 706; the third transverse expansion device 702 and the second vertical expansion device 705 are air cylinders or screw rod mechanisms; below the conveyor 707 of the aluminum sheet separation mechanism 7 is a chip storage box 708.

A feeding rack 801 is further arranged in the middle of the mounting rack 701 of the PCB and backing plate separating mechanism 8, and upper conveying belts 802 are respectively arranged on two sides of the feeding rack 801; the feeding frame 801 is positioned above the transverse mounting frame 704; a machine vision system 803 is also arranged below the mounting frame 701 of the PCB separating and backing plate mechanism 8; a disposable pad storage device 804 is mounted below the conveyor 707 of the sub-PCB and pad mechanism 8.

The tail end of the rack 10 is provided with a conveying conveyor belt 9, and the conveying conveyor belt 9 is positioned at the height between a conveyor belt 707 of the PCB and backing plate separating mechanism 8 and the feeding rack 801; below the conveyor belt 9 is a secondary pallet storage bin 901.

The base plate storage device 804 comprises a screw rod 8041, one end of the screw rod 8041 is connected with a speed reducing motor 8042, the other end of the screw rod 8041 is in threaded connection with a lifting plate 8043, and two ends of the lifting plate 8043 are slidably connected with a sliding rod 8044.

The utility model discloses a use method as follows:

the PCB which needs to be stripped of PIN and cut is respectively placed on the two lifting devices 102. Wherein the PCB that moves back PIN and tapping is put as follows: the smooth back surfaces of the two PCBs are contacted with each other to form a small group, the two groups of PCBs are transversely arranged, the smooth back surfaces of the other two PCBs are contacted with each other to form another small group, the two groups of PCBs are longitudinally arranged, and accordingly PIN needles are avoided from being arranged in rows, and the four PCBs form a large group. The PCB is repeatedly placed in a large group as a unit, and base plates are respectively placed on two sides of the bottom of the lifting device 102, so that two ends of the bottommost PCB are positioned on the base plates, and the PIN needles are suspended.

And then the material taking mechanism 101 moves to the upper part of one lifting device 102 to take materials, when the lifting device 102 takes one PCB, the corresponding lifting device rises by a unit height, and after the board taking is finished, the corresponding lifting device gradually descends to the bottommost layer to carry out material feeding again, and in the process, the material taking mechanism 101 takes materials from the other lifting device 102, so that uninterrupted material taking is realized.

After the material taking mechanism 101 takes materials, the plate is driven to move downwards through the vertical lifting device 1013 to reach the overturning and PIN withdrawing mechanism 2, the two first transverse telescopic devices 202 respectively drive the first rotating device 203 and the PCB clamping jaws 204 to move oppositely to clamp the PCB, and the PCB is circularly arranged in sequence, so that the PIN is judged to be arranged upwards or downwards according to the grabbing times. If upwards set up then first vertical telescoping device 201 descends, directly place along PCB board transport mechanism transport move back PIN cylinder 208 department and move back PIN with the PIN needle, if the PIN needle sets up, then first rotary device 203 rotates 180 earlier and transports it to move back PIN cylinder 208 department and move back PIN with the PIN needle after placing it to PCB board transport mechanism.

Simultaneously because the PCB board is according to order cyclic arrangement, consequently judge the PCB board according to the number of times of feeding whether horizontal feeding or vertical feeding, judge whether first rotary mechanism 3 will drive the PCB board and rotate 90.

The PCB board vertically feeds, then need earlier through first rotary mechanism 3, adsorbs the PCB board, then rotates 90, reentrant minor face rubber tapping mechanism 4 carries out the rubber tapping of minor face, and whether the person directly gets into minor face rubber tapping mechanism 4, carries out the rubber tapping of minor face.

The second transverse telescopic device 401 can adjust the position of the laser tapping machine 404 according to the specification of the PCB, thereby facilitating tapping of the short side. Then the aluminum sheet enters a second rotating mechanism 5, the aluminum sheet is rotated for 90 degrees, the glue cutting of the long edge is carried out at a long edge glue cutting mechanism 6, then the aluminum sheet enters an aluminum sheet separating mechanism 7, an electric suction nozzle 706 sucks the aluminum sheet at the top, after a PCB and a base plate below the electric suction nozzle enter the next station, the electric suction nozzle 706 loosens, and meanwhile, a third transverse telescopic device 702 extends, so that the aluminum sheet falls into a corresponding aluminum sheet storage box below the rack.

The PCB and the backing plate mechanism 8 is divided, the PCB at the top is sucked by the electric suction nozzle 706 and then ascends to the upper conveying belt 802, so that the PCB is conveyed to the conveying belt 9 by the upper conveying belt 802 and is taken down or conveyed to a subsequent production line by the material taking robot. Meanwhile, the machine vision system 803 detects whether the bottom of the cushion plate has a concave hole, if so, the cushion plate belongs to a cushion plate for secondary use, the conveyor belt 707 of the PCB and cushion plate mechanism 8 moves to convey the cushion plate into the cushion plate storage box 901 for secondary use below the conveyor belt 9, if the bottom of the cushion plate is smooth and has no concave hole, the third transverse telescopic device 702 extends, so that the cushion plate falls onto the cushion plate storage device 804, and when one cushion plate falls, the cushion plate storage device 804 falls by the thickness of one cushion plate, thereby ensuring that the cushion plate is stacked neatly. Preferably, the surface of the upper conveyor belt 802 is damped, and the electric suction nozzle 706 is lubricated to increase the friction force between the upper conveyor belt 802 and the PCB and reduce the friction force between the electric suction nozzle 706 and the PCB, so that the PCB can slide relative to the electric suction nozzle 706.

It should be finally noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit the protection scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A PCB feeding and PIN returning device is characterized by comprising a rack (10), wherein a double-station feeding mechanism (1) and a turnover PIN returning mechanism (2) are mounted on the rack (10); the double-station feeding mechanism (1) comprises a material taking mechanism (101) and two lifting devices (102), wherein the lifting devices (102) are connected with a feeding supporting plate (103); the material taking mechanism (101) comprises a transverse translation mechanism (1011), the transverse translation mechanism (1011) is connected with a longitudinal translation mechanism (1012), and the longitudinal translation mechanism (1012) is connected with a material sucking disc (1014) through a vertical lifting device (1013); the turnover PIN withdrawing mechanism (2) comprises first vertical telescopic devices (201) which are positioned on two sides of the PCB conveying mechanism, the first vertical telescopic devices (201) are connected with first transverse telescopic devices (202), the first transverse telescopic devices (202) are connected with first rotating devices (203), and the first rotating devices (203) are connected with PCB clamping jaws (204); a clamping plate (205) is fixed on the PCB clamping claw (204); a first n-shaped frame (207) is fixed above the PCB conveying mechanism, and a PIN withdrawing cylinder (208) is fixed on the first n-shaped frame (207).

2. The PCB feeding and PIN returning device according to claim 1, wherein the lifting device (102) is a servo lifting mechanism; the transverse translation mechanism (1011) and the longitudinal translation mechanism (1012) are both linear motors.

3. The PCB feeding and PIN returning device according to claim 1, wherein the first vertical telescopic device (201) and the first horizontal telescopic device (202) are both a cylinder or a screw rod mechanism; the first rotating means (203) is a rotating electric machine.

4. The PCB feeding and PIN withdrawing device of claim 1, wherein a plurality of PCBs to be withdrawn and cut are stacked on the feeding support plate (103), wherein the smooth back surfaces of every two PCBs are contacted with each other to form a small group and are transversely arranged, and then the smooth back surfaces of the other two PCBs are contacted with each other to form another small group and are longitudinally arranged to avoid the arrangement of PIN PINs, so that the four PCBs form a large group and are repeatedly stacked and placed by taking the large group as a unit; the placing sequence of each large group of PCB boards is the same.