CN210339537U - Plate turnover mechanism for PCB plate turnover machine - Google Patents

Abstract

The utility model relates to a panel turnover mechanism for PCB panel turnover machine, including rotationally setting up in the pivot of frame, the both ends of pivot are provided with the support respectively, the inboard mobilizable base that is provided with of support, base and support are located the coplanar, two the base can move in opposite directions set up in the support, the surface of base is provided with the grabbing device that is used for snatching the PCB board and is used for pressing from both sides the clamping device of tight PCB board. The utility model discloses can protect the PCB board effectively at the in-process that turns over the board, improve simultaneously and turn over board efficiency.

Description

Plate turnover mechanism for PCB plate turnover machine

Technical Field

The utility model relates to a processing equipment field, in particular to panel turnover mechanism for PCB panel turnover machine.

Background

The copper-made PCB needs to be soaked in chemical liquid due to the surface coating, and water stains on the surface of the PCB need to be dried after the soaking for a specified time. In the process of completing the working procedure, a stack of PCB boards which are obliquely and vertically placed needs to be separated one by one, and the PCB boards are horizontally placed on a conveyor belt and flow into a drying device at the rear end. In the process of turning the PCB, after the PCB is adsorbed by the PCB turning mechanism, the PCB turning mechanism needs to rotate clockwise or anticlockwise until the PCB is parallel to the horizontally arranged conveying belt at the rear end. During the turning process, the PCB may slide down and fall down due to the dead weight (the maximum weight can reach about 5 kg), so that the PCB is damaged.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a panel turnover mechanism for a PCB panel turnover machine, which includes a rotating shaft rotatably disposed on a frame, wherein two ends of the rotating shaft are respectively provided with a support, the inner side of the support is movably provided with a base, the base and the support are located in the same plane, the two bases are movably disposed on the support in opposite directions, and the surface of the base is provided with a gripping device for gripping a PCB panel and a clamping device for clamping the PCB panel.

When turning over the board, the pivot drives the support and places the tool from the PCB who is used for placing the PCB board on the PCB board turnover machine and turn over to the conveyer belt that is used for carrying the PCB board on the PCB board turnover machine to the realization will become to fold and place the PCB board of placing on the tool is placed to the PCB and separately shifts to the conveyer belt one by one, and place it on the conveyer belt flatly, flow in the drying equipment of rear end.

Wherein, the utility model discloses well grabbing device is arranged in placing the PCB board of piling up on PCB places the tool and singly grabs out a PCB board, and clamping device is used for after grabbing device separates out an solitary PCB board from the PCB board of piling up, and further clamp is tight PCB board, prevents that the PCB board from dropping from grabbing device.

Preferably, the grabbing device including set up in a plurality of sucking discs on the base, two sucking discs on the base all are the straight line shape and distribute the formation and grab the line, just grab the mutual parallel arrangement of line.

Wherein the sucking disc is connected with the vacuum pump in the frame, and the vacuum pump is used for providing vacuum environment for the sucking disc to make the sucking disc can snatch the PCB board.

After the grabbing line formed by the sucker is close to and attached to the PCB, the sucker can be adsorbed on the surface of the PCB, so that the PCB can be overturned along with the overturning of the base.

Preferably, the clamping device comprises a supporting table arranged on the base and a push plate arranged on the supporting table, the push plate is arranged on the supporting table through an air cylinder, a piston rod of the air cylinder is arranged towards the inner side of the supporting table corresponding to the piston rod, and the push plates on the supporting table are arranged in parallel.

Further, the height of the support table is lower than that of the suction cup.

After the sucking disc adsorbs the PCB board, the cylinder promotes the push pedal and promotes towards the PCB board to press from both sides the PCB board tightly between two push pedals, two push pedals are further fixed the PCB board on the base, avoid the PCB board to drop at the upset in-process of base. Because the PCB is not only clamped on the turnover mechanism by the two push plates, the push plates do not need to have too large thrust on the PCB, and the PCB cannot be deformed and damaged.

In addition, the width of conveyer belt is less than the width of PCB board, absorbs the line and adsorbs the both sides edge of PCB board, therefore tilting mechanism is when placing the PCB board on the conveyer belt, and the base that is located PCB board both sides edge can not touch the conveyer belt, can guarantee that tilting mechanism places the PCB board on the conveyer belt smoothly.

The vertical distance between the plane where the two suction lines are located and the center line of the rotating shaft is equal to the vertical distance between the surface of the conveying belt and the center line of the rotating shaft, and the PCB adsorbed on the sucker can be ensured to be just placed on the conveying belt when being positioned at the horizontal position.

Preferably, the lower surface of support is provided with two at least linear bearing, linear bearing in the installation with linear bearing sliding connection have the connecting rod, just the connecting rod orientation the inboard setting of support, the connecting rod orientation the one end of base with base fixed connection, the lower surface of support still is provided with base drive arrangement for drive the base along the central line direction reciprocating motion of connecting rod.

Further, the base driving device comprises a rack arranged on the base, the rack faces the support, a motor is fixedly arranged on the lower side of the support corresponding to the rack, a gear is mounted on an output shaft of the motor, and the gear is meshed with the rack.

Preferably, supporting seats are arranged at two ends of the rotating shaft, the supporting seats are fixedly arranged on the rack, mounting holes penetrating through the supporting seats are formed in the supporting seats, the rotating shaft is rotatably arranged in the mounting holes, and the rotating shaft extends out of the mounting holes and is in driving connection with driving mechanisms arranged on the rack.

The principle and effect of the present invention will be further explained by combining the above technical solutions:

the utility model discloses well grabbing device is arranged in placing the PCB board of piling up on PCB places the tool and singly grabs out a PCB board, and clamping device is used for after grabbing device separates out an solitary PCB board from the PCB board of piling up, and further clamp is tight PCB board, prevents that the PCB board from dropping from grabbing device, and then protects the PCB board effectively, improves simultaneously and turns over board efficiency.

Drawings

Fig. 1 is a first schematic structural diagram of a panel turnover mechanism for a PCB panel turnover machine according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of a panel turnover mechanism for a PCB panel turnover machine according to an embodiment of the present invention;

fig. 3 is a third schematic structural diagram of a panel turnover mechanism for a PCB panel turnover machine according to an embodiment of the present invention;

fig. 4 is a first partial enlarged structural diagram of a panel turnover mechanism for a PCB panel turnover machine according to an embodiment of the present invention;

fig. 5 is a schematic partial enlarged structural view of a panel turnover mechanism for a PCB panel turnover machine according to an embodiment of the present invention;

fig. 6 is a schematic view of a partial enlarged structure of a panel turnover mechanism for a PCB panel turnover machine according to an embodiment of the present invention;

fig. 7 is a diagram illustrating a use state of a panel turnover mechanism for a PCB panel turnover machine according to an embodiment of the present invention.

Description of reference numerals:

1-frame, 21-rotating shaft, 211-supporting seat, 22-bracket, 221-motor, 222-linear bearing, 223-connecting rod, 23-base, 231-sucker, 232-rack, 24-supporting seat, 241-cylinder, 242-push plate, 3-PCB placing jig, 4-conveying belt and 5-PCB.

Detailed Description

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

referring to fig. 1-7, a panel turnover mechanism for a PCB panel turnover machine comprises a rotating shaft 21 rotatably disposed on a frame 1, wherein two ends of the rotating shaft 21 are respectively provided with a support 22, the inner side of the support 22 is movably provided with a base 23, the base 23 and the support 22 are located in the same plane, the two bases 23 are movably disposed on the support 22 in opposite directions, and the surface of the base 23 is provided with a gripping device for gripping a PCB panel 5 and a clamping device for clamping the PCB panel 5.

When turning over the board, the rotating shaft 21 drives the support 22 to turn over from the PCB placing jig 3 for placing the PCB 5 on the PCB board turnover machine to the conveyer belt 4 for conveying the PCB 5 on the PCB board turnover machine, so that the PCB 5 stacked on the PCB placing jig 3 is separated one by one and transferred to the conveyer belt 4, and the PCB 5 is horizontally placed on the conveyer belt 4 and flows into the drying equipment at the rear end.

Wherein, the utility model discloses well grabbing device is arranged in placing PCB placing jig 3 on and grabs out a PCB board 5 alone in the PCB board 5 that piles up, and clamping device is used for separating out an solitary PCB board 5 back at grabbing device from the PCB board 5 that piles up, and further clamp is tight PCB board 5, prevents that PCB board 5 from dropping from grabbing device.

Preferably, the grabbing device comprises a plurality of suction cups 231 arranged on the base 23, two suction cups 231 on the base 23 are all distributed in a straight line shape to form a grabbing line, and the grabbing lines are arranged in parallel.

Wherein sucking disc 231 and the vacuum pump connection on the frame 1, the vacuum pump is used for providing vacuum environment for sucking disc 231 to make sucking disc 231 snatch PCB board 5.

After the catching line formed by the suction cup 231 is closely attached to the PCB 5, the suction cup 231 can be sucked on the surface of the PCB 5, so that the PCB 5 is turned over along with the turning of the base 23.

Preferably, the clamping device includes a support platform 24 disposed on the base 23 and a push plate 242 disposed on the support platform 24, the push plate 242 is disposed on the support platform 24 through an air cylinder 241, a piston rod of the air cylinder 241 is disposed toward the inner side of the support platform 24 corresponding to the air cylinder 241, and the push plates 242 on the two support platforms 24 are disposed in parallel.

Further, the height of the support table 24 is lower than the height of the suction cup 231.

After the sucking disc 231 adsorbs the PCB 5, the cylinder 241 pushes the pushing plate 242 to push towards the PCB 5, so as to clamp the PCB 5 between the two pushing plates 242, and the two pushing plates 242 further fix the PCB 5 on the base 23, thereby preventing the PCB 5 from falling off during the turning process of the base 23. Since the PCB 5 is not just fixed to the turnover mechanism by the clamping of the two push plates 242, the push plates 242 do not need to push the PCB 5 too much, and thus the PCB 5 is not deformed and damaged.

In addition, the width of conveyer belt 4 is less than the width of PCB board 5, absorbs the line and adsorbs the both sides edge at PCB board 5, therefore tilting mechanism is when placing PCB board 5 on conveyer belt 4, and the base 23 that is located PCB board 5 both sides edge can not touch conveyer belt 4, can guarantee that tilting mechanism places PCB board 5 on conveyer belt 4 smoothly.

The vertical distance between the plane where the two suction lines are located and the center line of the rotating shaft 21 is equal to the vertical distance between the surface of the conveying belt 4 and the center line of the rotating shaft 21, so that the PCB 5 adsorbed on the sucking disc 231 can be just placed on the conveying belt 4 when being located at a horizontal position.

Preferably, the lower surface of the support 22 is provided with at least two linear bearings 222, a connecting rod 223 slidably connected with the linear bearings 222 is installed in the linear bearings 222, the connecting rod 223 is arranged toward the inner side of the support 22, one end of the connecting rod 223 facing the base 23 is fixedly connected with the base 23, and the lower surface of the support 22 is further provided with a base 23 driving device for driving the base 23 to reciprocate along the central line direction of the connecting rod 223.

Further, the driving device of the base 23 includes a rack 232 disposed on the base 23, the rack 232 is disposed toward the bracket 22, a motor 221 is fixedly disposed on the lower side of the bracket 22 corresponding to the rack 232, a gear is mounted on an output shaft of the motor 221, and the gear is engaged with the rack 232.

Preferably, the two ends of the rotating shaft 21 are provided with supporting seats 211, the supporting seats 211 are fixedly arranged on the frame 1, the supporting seats 211 are provided with mounting holes penetrating through the supporting seats 211, the rotating shaft 21 is rotatably arranged in the mounting holes, and the rotating shaft 21 extends out of the mounting holes to be in driving connection with a driving mechanism arranged on the frame 1.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is 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 (6)

1. A panel turnover mechanism for a PCB panel turnover machine is characterized by comprising a rotating shaft which is rotatably arranged on a rack, wherein two ends of the rotating shaft are respectively provided with a support, the inner side of each support is movably provided with a base, the base and the supports are positioned in the same plane, the two bases can be oppositely arranged on the supports in a movable manner, and the surface of each base is provided with a grabbing device for grabbing a PCB and a clamping device for clamping the PCB; clamping device including set up the brace table on the base with set up in brace table last push pedal, the push pedal pass through the cylinder set up in brace table, just the piston rod of cylinder sets up towards its inboard of the brace table that corresponds, two the mutual parallel arrangement of push pedal on the brace table.

2. The board turnover mechanism for the PCB turnover machine as claimed in claim 1, wherein the gripping device comprises a plurality of suckers arranged on the bases, the suckers on both bases are distributed in a straight line shape to form gripping lines, and the gripping lines are arranged in parallel with each other.

3. The board turnover mechanism for PCB turning machine of claim 2, wherein the supporting platform is lower than the suction cup.

4. The panel turnover mechanism for PCB turnover machine as recited in claim 1, wherein said lower surface of said frame is provided with at least two linear bearings, said linear bearings are installed with connecting rods slidably connected with said linear bearings, and said connecting rods are disposed toward the inner side of said frame, said connecting rods are fixedly connected with said base toward one end of said base, and said lower surface of said frame is further provided with base driving means for driving the base to reciprocate along the center line direction of said connecting rods.

5. The board turnover mechanism for the PCB turnover machine as claimed in claim 4, wherein the base driving device comprises a rack arranged on the base, the rack is arranged towards the bracket, a motor is fixedly arranged on the lower side of the bracket corresponding to the rack, and a gear is arranged on an output shaft of the motor and is meshed with the rack.

6. The panel turnover mechanism for PCB turnover machine of claim 1 wherein, the supporting seat is fixed on the frame and has a mounting hole through the supporting seat, the rotating shaft is rotatably mounted in the mounting hole, and the rotating shaft extends out of the mounting hole and is drivingly connected with the driving mechanism mounted on the frame.

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