CN211920125U

CN211920125U - PCB board drilling target machine feed mechanism

Info

Publication number: CN211920125U
Application number: CN202020079887.9U
Authority: CN
Inventors: 杨健; 何茂水; 叶鸿辉
Original assignee: Huizhou Chengtai Automation Technology Co Ltd
Current assignee: Huizhou Chengtai Automation Technology Co Ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-11-13
Anticipated expiration: 2030-01-15

Abstract

The utility model relates to a feeding mechanism of a PCB (printed circuit board) drilling target machine, which belongs to the field of PCB processing and comprises a frame, wherein a first transfer mechanism, a conveying mechanism and a second transfer mechanism are sequentially arranged on the frame, the conveying mechanism comprises a plurality of guide rollers which are rotatably arranged on the frame, the guide rollers are positioned in the same horizontal plane and are arranged in parallel, a correction mechanism is arranged above the guide rollers and comprises a first baffle and a second baffle which are arranged in parallel, the first baffle is vertical to the guide rollers, the first transfer mechanism comprises a base arranged on the frame, the top end of the base is pivoted with a connecting arm through a first rotating shaft which is vertically arranged, the end of the connecting arm far away from the base is vertically provided with a connecting rod, the connecting rod is arranged on the connecting arm in a liftable way, the bottom end of the connecting rod is provided with a sucker for adsorbing a PCB, the sucker is rotatably connected with the connecting rod. The utility model discloses material loading efficiency is high.

Description

PCB board drilling target machine feed mechanism

Technical Field

The utility model relates to a PCB processing field, in particular to PCB board drilling target machine feed mechanism.

Background

The feeding mechanism of the PCB target drilling machine is used for transferring a PCB to the target drilling machine, target holes in the PCB need to be identified when the target drilling machine drills the PCB, the PCB is located according to the positions of the target holes, drilling operation is accurately carried out on the PCB, and therefore the requirement on the feeding precision of the feeding mechanism by the target drilling machine is high.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a feeding mechanism of a PCB board drilling target machine, which comprises a frame, wherein a first transfer mechanism, a conveying mechanism and a second transfer mechanism are sequentially arranged on the frame, the conveying mechanism comprises a plurality of guide rollers which are rotatably arranged on the frame, the guide rollers are positioned in the same horizontal plane and are arranged in parallel, a correction mechanism is arranged above the guide rollers, the correction mechanism comprises a first baffle and a second baffle which are arranged in parallel, the first baffle is perpendicular to the guide rollers, the first transfer mechanism comprises a base arranged on the frame, the top end of the base is pivoted with a connecting arm through a first rotating shaft which is vertically arranged, one end of the connecting arm far away from the base is vertically provided with a connecting rod, the connecting rod is arranged on the connecting arm in a liftable manner, the bottom end of the connecting rod is provided with a sucker for adsorbing a PCB board, the sucker is rotatably connected with the connecting rod.

The utility model is used for connect the equipment of boring target machine and last process, first moving mechanism is used for removing the PCB board to conveying mechanism, and conveying mechanism is used for removing the PCB board near second transfer mechanism, and second transfer mechanism is used for removing the PCB board and carries out the drilling operation to boring the target machine.

The first baffle and the second baffle are arranged on the rack through corresponding driving mechanisms, such as an air cylinder, and a piston rod of the air cylinder is fixedly connected with the first baffle or the second baffle; the driving mechanism in driving connection with the first baffle and the second baffle is used for driving the first baffle and the second baffle to move close to or away from each other, wherein the driving mechanism is connected with the servo system, and the servo system is used for controlling the strokes of the first baffle and the second baffle.

When the utility model is used for feeding, firstly the connecting arm of the first transfer mechanism swings to make the sucker move to the PCB stacking position of the equipment of the previous process, then the connecting rod moves downwards to make the sucker be adsorbed on the PCB, then the connecting rod drives the sucker to move upwards to make the adsorbed PCB leave the PCB stack, then the connecting arm rotates to drive the sucker to move to the upper part of the conveying mechanism, then the connecting rod moves downwards to make a smaller gap between the PCB and the conveying mechanism, such as the thickness of the PCB, then the first baffle and the second baffle move towards each other to be contacted with the PCB and push the PCB, so that the PCB is aligned by the first push plate and the second push plate, at the moment, the orientation of the PCB is fixed, wherein, after the connecting arm of the first transfer mechanism moves to the upper part of the conveying mechanism, the position of the connecting rod relative to the conveying mechanism is fixed, therefore, after the PCB is pushed by the first baffle and the second baffle and aligned, the position and the orientation of PCB board are fixed, then the connecting rod continues to move down, place the PCB board on conveying mechanism back, the sucking disc loosens the PCB board, the connecting rod shifts up, first baffle and second baffle are kept away from each other and are removed, then conveying mechanism carries a fixed distance with the PCB board, second transfer mechanism can send the PCB board to the brill target drone and carry out drilling operation this moment, because position and orientation when the PCB board is placed on conveying mechanism are fixed, consequently its position and orientation also are fixed after the PCB board is carried a fixed distance, consequently, can predetermine the transfer route of second transfer mechanism according to the discernment scope of the CCD recognition device of brill target drone and can move the identification scope of CCD recognition device to the target hole on the PCB board, need not to adjust the position of PCB board on the brill target drone, can effectively improve the utility model discloses a material loading efficiency.

The PCB can be placed by the first baffle and the second baffle, so that the PCB does not need to be placed on equipment in the previous procedure in order, namely, the orientation of the PCB placed on the previous equipment does not need to be adjusted, and only the orientation of the PCB approximately meets the requirement of a drilling and targeting machine, namely, the deflection does not exceed 90 degrees.

Further, the sucking disc is platelike, if the bottom of sucking disc has seted up the absorption hole, the absorption hole passes through the trachea and is connected with evacuating device.

The sucking disc is platelike, can attach on the surface of PCB board well, wherein can set up one deck rubber layer in the bottom of sucking disc, can increase the contact leakproofness between sucking disc and the PCB board.

Further, the second transfer mechanism is a six-axis mechanical arm.

The six-axis robot arm may transfer the PCB board in a fixed transfer path.

Furthermore, the upper surface of the sucker is fixedly provided with a mounting hole, and the connecting rod is inserted into the mounting hole and rotatably matched with the mounting hole.

Furthermore, an annular groove is formed in the inner side wall of the mounting hole, a protruding ring is fixedly arranged on the connecting rod corresponding to the annular groove, and the protruding ring is arranged in the annular groove and is matched with the annular groove in a sliding mode.

The sucking disc passes through the normal running fit structure of mounting hole and connecting rod and rotationally sets up on the connecting rod, therefore the sucking disc can rotate along the central line of connecting rod to first baffle and second baffle promote by the absorbent PCB board rotation of sucking disc and with the PCB board alignment.

Further, still be provided with a drive mechanism in the frame, a drive mechanism with the deflector roll drive is connected, is used for the drive the deflector roll rotates.

The first driving mechanism can be a motor, an output shaft of the motor is in driving connection with one of the guide rollers, and the guide rollers are in driving connection with each other through a transmission belt, so that the motor driving can be realized.

Further, the linking arm includes first linking arm and second linking arm, the one end of first linking arm through first pivot pin joint in the base, the other end of first linking arm through the second pivot of vertical setting with the one end pin joint of second linking arm, the second linking arm is kept away from the vertical connecting rod that is provided with of one end of first linking arm, the connecting rod set up in with liftable in the second linking arm.

The second connecting arm can rotate around the center line of the second rotating shaft, wherein the length of the second connecting arm is equal to or longer than that of the first connecting arm, and therefore the connecting rod can move randomly in the horizontal direction in the range taking the first rotating shaft as the center in the matching of the first connecting arm and the second connecting arm, so that the PCB at any position in the range can be grabbed conveniently.

Furthermore, a second driving mechanism is further arranged on the base, the second driving mechanism is in driving connection with the first rotating shaft and used for driving the first rotating shaft to rotate, and the first connecting arm is fixedly connected with the first rotating shaft; and a third driving mechanism is arranged on the first connecting arm and is in driving connection with the second rotating shaft to drive the second rotating shaft to rotate, and the second connecting arm is fixedly connected with the second rotating shaft.

The second driving mechanism and the second driving mechanism can be motors which are connected with a servo system, the servo system controls the first driving mechanism and the second driving mechanism, and the first driving mechanism and the second driving mechanism rotate by driving the first rotating shaft and the second rotating shaft under the control of the servo system, so that the connecting rod can move randomly within a certain range in the horizontal direction.

The principle and effect of the present invention will be further explained below with reference to the above technical solutions and the accompanying drawings:

the utility model discloses a guiding mechanism and first transfer mechanism's cooperation, can place conveying mechanism with PCB board position and orientation on fixedly, and then make the second transfer mechanism along its PCB board that transfers the route and can grab smoothly on the conveying mechanism, and the second transfer mechanism is when transferring the PCB board to the target drone, the position and the orientation that the PCB board entered into behind the target drone are also for fixing, the target hole on the PCB board is located the CCD recognition device's of target drone, consequently, need not to adjust the position of PCB board again, can effectively improve material loading efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a feeding mechanism of a PCB board drilling target machine according to an embodiment of the present invention;

fig. 2 is a partially enlarged view of fig. 1.

Description of reference numerals:

1-a frame, 111-a base, 112-a first connecting arm, 113-a second connecting arm, 113-a sucker, 12-a conveying mechanism, 121-a guide roller, 1221-a first baffle and 13-a second transfer mechanism.

Detailed Description

To facilitate understanding of the invention for those skilled in the art, the invention will be described in further detail with reference to the accompanying drawings and examples.

Referring to fig. 1-2, a feeding mechanism of a PCB board target drilling machine comprises a frame 1, wherein a first transfer mechanism, a conveying mechanism 12 and a second transfer mechanism 13 are sequentially arranged on the frame 1, the conveying mechanism 12 comprises a plurality of guide rollers 121 rotatably arranged on the frame 1, the guide rollers 121 are positioned in the same horizontal plane and the guide rollers 121 are arranged in parallel, a correction mechanism is arranged above the guide rollers 121, the correction mechanism comprises a first baffle 1221 and a second baffle which are arranged in parallel, the first baffle 1221 is arranged perpendicular to the guide rollers 121, the first transfer mechanism comprises a base 111 arranged on the frame 1, the top end of the base 111 is pivoted with a connecting arm through a vertically arranged first rotating shaft, one end of the connecting arm far away from the base 111 is vertically provided with a connecting rod, and the connecting rod is arranged on the connecting arm in a liftable manner, the bottom of connecting rod is provided with the sucking disc 113 that is used for adsorbing the PCB board, sucking disc 113 with the connecting rod is rotationally connected.

The utility model is used for connect the equipment of boring target machine and last process, first moving mechanism is used for removing the PCB board to conveying mechanism 12 on, and conveying mechanism 12 is used for removing the PCB board to near second transfer mechanism 13, and second transfer mechanism 13 is used for removing the PCB board and carries out the drilling operation to boring the target machine on.

The first baffle 1221 and the second baffle are arranged on the frame 1 through corresponding driving mechanisms, such as an air cylinder, and a piston rod of the air cylinder is fixedly connected with the first baffle 1221 or the second baffle; the driving mechanism in driving connection with the first baffle 1221 and the second baffle is used for driving the first baffle 1221 and the second baffle to move close to or away from each other, wherein the driving mechanism is connected with the servo system, and the servo system is used for controlling the stroke of the first baffle 1221 and the second baffle.

When the utility model is used for loading operation, firstly the connecting arm of the first transfer mechanism swings to make the sucker 113 move to the PCB stacking position of the equipment of the previous process, then the connecting rod moves downwards to make the sucker 113 adsorb on the PCB, then the connecting rod drives the sucker 113 to move upwards to make the adsorbed PCB leave the PCB stack, then the connecting arm rotates to drive the sucker 113 to move to the upper part of the conveying mechanism 12, then the connecting rod moves downwards to make a smaller gap between the PCB and the conveying mechanism 12, such as the thickness of a PCB, then the first baffle 1221 and the second baffle move towards each other to contact with the PCB and push the PCB, so that the PCB is straightened by the first push plate and the second push plate, at the moment, the orientation of the PCB is fixed, wherein, after the connecting arm of the first transfer mechanism moves to the upper part of the conveying mechanism 12, the position of the connecting rod relative to the conveying mechanism 12 is fixed, therefore, after the PCB is pushed and aligned by the first baffle 1221 and the second baffle, the position and orientation of the PCB are fixed, then the connecting rod moves downwards continuously, after the PCB is placed on the conveying mechanism 12, the suction cup 113 loosens the PCB, the connecting rod moves upwards, the first baffle 1221 and the second baffle move away from each other, then the conveying mechanism 12 conveys the PCB a fixed distance, at this time, the second transfer mechanism 13 can convey the PCB to the target drilling machine for drilling operation, because the position and orientation of the PCB when placed on the conveying mechanism 12 are fixed, the position and orientation of the PCB after being conveyed a fixed distance are also fixed, therefore, the transfer path of the second transfer mechanism 13 can be preset according to the identification range of the CCD identification device of the target drilling machine to transfer the target hole on the PCB to the identification range of the CCD identification device, without adjusting the position of the PCB on the target drilling machine, can effectively improve the utility model discloses a material loading efficiency.

Because the first baffle 1221 and the second baffle can align the PCB, the PCB does not need to be neatly placed on the device in the previous process, that is, the orientation of the PCB placed on the previous device does not need to be adjusted, and only the orientation of the PCB approximately meets the requirement of the target drilling machine, that is, the deflection does not exceed 90 °.

Further, the suction cup 113 is plate-shaped, and the bottom of the suction cup 113 is provided with a plurality of suction holes, and the suction holes are connected with a vacuum extractor through air pipes.

The suction cup 113 is plate-shaped and can be well attached to the surface of the PCB, wherein a rubber layer can be disposed at the bottom of the suction cup 113 to increase the contact sealing between the suction cup 113 and the PCB.

Further, the second transfer mechanism 13 is a six-axis robot arm.

The six-axis robot arm may transfer the PCB board in a fixed transfer path.

Further, the upper surface of the suction cup 113 is fixedly provided with a mounting hole, and the connecting rod is inserted into the mounting hole and rotatably matched with the mounting hole.

The suction cup 113 is rotatably disposed on the connection rod through a rotation fitting structure of the mounting hole and the connection rod, so that the suction cup 113 can rotate along a center line of the connection rod, so that the first and

second stoppers

1221 and 113 push the PCB sucked by the suction cup 113 to rotate and align the PCB.

Further, still be provided with a drive mechanism on the frame 1, a drive mechanism with deflector roll 121 drive connection for the drive deflector roll 121 rotates.

The first driving mechanism can be a motor, an output shaft of the motor is in driving connection with one of the guide rollers 121, and the guide rollers 121 are in driving connection with each other through a transmission belt, so that the motor can drive the synchronous rotating shaft with the guide rollers 121.

Further, the linking arm includes first linking arm 112 and second linking arm 113, the one end of first linking arm 112 through first pivot pin joint in base 111, the other end of first linking arm 112 through the second pivot of vertical setting with the one end pin joint of second linking arm 113, second linking arm 113 is kept away from the vertical connecting rod that is provided with of one end of first linking arm 112, the connecting rod set up in liftable ground in second linking arm 113.

Wherein, the second connecting arm 113 can rotate around the center line of the second rotating shaft, wherein, the length of the second connecting arm 113 is equal to or longer than the length of the first connecting arm 112, therefore, in the cooperation of the first connecting arm 112 and the second connecting arm 113, the connecting rod can move arbitrarily in the horizontal direction within the range taking the first rotating shaft as the center, thereby facilitating to grab the PCB board at any position within the range.

Further, a second driving mechanism is further disposed on the base 111, the second driving mechanism is in driving connection with the first rotating shaft to drive the first rotating shaft to rotate, and the first connecting arm 112 is fixedly connected with the first rotating shaft; the first connecting arm 112 is provided with a third driving mechanism, the third driving mechanism is in driving connection with the second rotating shaft and used for driving the second rotating shaft to rotate, and the second connecting arm 113 is fixedly connected with the second rotating shaft.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A feeding mechanism of a PCB (printed Circuit Board) drilling target machine comprises a rack, wherein a first transfer mechanism, a conveying mechanism and a second transfer mechanism are sequentially arranged on the rack, and the feeding mechanism is characterized in that the conveying mechanism comprises a plurality of guide rollers which are rotatably arranged on the rack, the guide rollers are positioned in the same horizontal plane and are arranged in parallel, a correction mechanism is arranged above the guide rollers and comprises a first baffle and a second baffle which are arranged in parallel, the first baffle is vertical to the guide rollers, the first transfer mechanism comprises a base arranged on the rack, the top end of the base is pivoted with a connecting arm through a vertically arranged first rotating shaft, one end of the connecting arm far away from the base is vertically provided with a connecting rod, the connecting rod is arranged on the connecting arm in a liftable manner, the bottom end of the connecting rod is provided with a sucker for adsorbing a PCB, the sucker is rotatably connected with the connecting rod.

2. The feeding mechanism of PCB board drilling target machine of claim 1, wherein the sucking disc is plate-shaped, and the bottom of the sucking disc is provided with a plurality of sucking holes, and the sucking holes are connected with a vacuum extractor through air pipes.

3. The PCB board target drilling machine loading mechanism of claim 1, wherein the second transfer mechanism is a six-axis robotic arm.

4. The feeding mechanism of PCB board drilling target machine as recited in claim 1, wherein the sucking disc is fixedly provided with a mounting hole on its upper surface, and the connecting rod is inserted into the mounting hole and rotatably engaged with the mounting hole.

5. The feeding mechanism of PCB board drilling target machine of claim 4, wherein the inner side wall of the mounting hole is opened with an annular groove, the connecting rod is fixedly provided with a convex ring corresponding to the annular groove, and the convex ring is arranged in the annular groove and is slidably matched with the annular groove.

6. The feeding mechanism of a PCB board drilling target machine according to claim 1, wherein a first driving mechanism is further arranged on the frame, and the first driving mechanism is in driving connection with the guide roller and is used for driving the guide roller to rotate.

7. The PCB board target drilling machine feeding mechanism of claim 1, wherein the connecting arm comprises a first connecting arm and a second connecting arm, one end of the first connecting arm is pivoted to the base through a first rotating shaft, the other end of the first connecting arm is pivoted to one end of the second connecting arm through a vertically arranged second rotating shaft, a connecting rod is vertically arranged at one end of the second connecting arm far away from the first connecting arm, and the connecting rod is arranged on the second connecting arm in a liftable manner.

8. The feeding mechanism of PCB board drilling target machine according to claim 7, wherein a second driving mechanism is further disposed on the base, the second driving mechanism is drivingly connected to the first rotating shaft for driving the first rotating shaft to rotate, and the first connecting arm is fixedly connected to the first rotating shaft; and a third driving mechanism is arranged on the first connecting arm and is in driving connection with the second rotating shaft to drive the second rotating shaft to rotate, and the second connecting arm is fixedly connected with the second rotating shaft.