CN111170007A

CN111170007A - PCB board unloader

Info

Publication number: CN111170007A
Application number: CN201811341119.XA
Authority: CN
Inventors: 艾书义; 黄金华; 董新华; 潘乃营
Original assignee: Hongfujin Precision Electronics Tianjin Co Ltd
Current assignee: Hongfujin Precision Electronics Tianjin Co Ltd
Priority date: 2018-11-12
Filing date: 2018-11-12
Publication date: 2020-05-19

Abstract

The utility model provides a PCB board unloader for follow carrier and detach the PCB board, PCB board unloader includes the frame, detaches mechanism and actuating mechanism, actuating mechanism sets up in the frame, detaches the mechanism and includes crane and top and hold the piece, the crane is used for bearing the weight of the carrier, and sets up on actuating mechanism, actuating mechanism can drive crane and carrier rise or descend, the top is held the piece and is set up in the frame, and can pass lift piece and carrier in proper order and top and hold on the PCB board. The PCB blanking device avoids the scraping and collision condition when the PCB is directly taken out of the carrier, ensures the quality of the PCB and improves the efficiency.

Description

PCB board unloader

Technical Field

The invention relates to a PCB blanking device.

Background

Printed Circuit Board (PCB) need take out from the carrier after welding, current get the board mode for static rubber table manually, promptly earlier detach fixed establishment such as double-screw bolt, pressure on the carrier and hold the piece, make PCB board and carrier remove to be connected, then manually take out the PCB board from the carrier. The manual operation method and the board holding method are often incorrect, so that the PCB is easily collided with the carrier, the PCB is repaired or scrapped, and the manual board taking labor intensity is high and the efficiency is low.

Disclosure of Invention

In view of the above, it is necessary to provide a PCB blanking apparatus capable of avoiding the collision.

A PCB board unloader for follow carrier detach PCB board, this PCB board unloader includes the frame, detach mechanism and actuating mechanism, this actuating mechanism sets up in this frame, should detach the mechanism and include crane and top and hold the piece, this crane is used for bearing this carrier, and sets up in this actuating mechanism, this actuating mechanism can drive this crane and this carrier rise or descend, this top is held the piece and is set up in this frame, and can pass this lift piece and this carrier in proper order and top and hold on this PCB board.

The PCB blanking device drives the lifting frame to descend by utilizing the driving mechanism and drives the carrier and the PCB to descend, the jacking piece stops the PCB to separate the PCB from the carrier, and then the PCB is blanked, so that the condition of scraping and collision when the PCB is directly taken out of the carrier is avoided, the quality of the PCB is ensured, and the efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of a PCB blanking apparatus according to an embodiment of the present invention.

Fig. 2 is a perspective exploded view of the PCB blanking apparatus shown in fig. 1.

Fig. 3 is a partially enlarged schematic view at III of the PCB board blanking apparatus shown in fig. 1.

Description of the main elements

PCB board unloader 100

Rack 10

Frame body 11

Platform 13

Positioning pin 131

Detaching mechanism 20

Lifting frame 21

First beam 211

First adjustment hole 2111

Second beam 213

Second adjusting hole 2131

Guide block 215

Buffer pad 217

Supporting member 23

Connection plate 231

Supporting block 233

Drive mechanism 30

Driving member 31

Output shaft 311

Foot valve 33

Regulating valve 35

Carrier 200

Through hole 201

PCB board 300

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a PCB blanking apparatus 100 is used for detaching a PCB 300 carried in a carrier 200. The PCB discharging apparatus 100 includes a frame 10, a detaching mechanism 20, and a driving mechanism 30. The driving mechanism 30 is disposed on the frame 10. The detaching mechanism 20 includes a crane 21 and a jack 23. The lifting frame 21 is used for carrying the carrier 200 and is disposed on the driving mechanism 30. The driving mechanism 30 can drive the crane 21 and the carrier 200 to ascend or descend. The supporting member 23 is disposed on the frame 10, and can sequentially pass through the lifting frame 21 and the carrier 200 and support on the PCB 300.

In the initial state, the driving mechanism 30 drives the lifting frame 21 to be lifted higher than the supporting member 23. The carrier 200 with the PCB 300 mounted thereon is placed on the crane 21, and the fixing mechanism (not shown) of the carrier 200 is first detached. Then, the driving mechanism 30 drives the crane 21 to descend until the crane 21 is lower than the top holder 23. The PCB 300 is stopped by the supporting member 23, and the carrier 200 is further lowered along with the crane 21 to separate the carrier 200 from the PCB 300. And (5) taking the PCB (300) from the jacking piece (23) to finish blanking the PCB. And taking down the carrier 200 from the lifting frame 21 to finish the blanking of the carrier 200.

Referring to fig. 1, a frame 10 includes a frame body 11 and a platform 13. The platform 13 is disposed on the frame 11. The drive mechanism 30 includes a plurality of drive members 31. In one embodiment, the number of the driving members 31 is four, and the driving members are respectively disposed around the platform 13, but not limited thereto. The side of the driving member 31 away from the frame body 11 is provided with an output shaft 311. The driving member 31 can drive the output shaft 311 to extend or retract. The lifting frame 21 is connected with a plurality of output shafts 311.

In one embodiment, the driving member 31 is a cylinder, but not limited thereto. For example, in other embodiments, the driving member 31 may be an electric cylinder. It is understood that, in other embodiments, the number of the driving members 31 may also be two, and each of the two driving members is oppositely disposed on the platform 13.

Referring to fig. 2 and 3, the crane 21 includes two first beams 211 and two second beams 213. The two first beams 211 are oppositely arranged on the respective driving member 31. The two second beams 213 are oppositely arranged on the respective driving members 31. Two first beams 211 and two second beams 213 are used to carry the carrier 200. A plurality of first adjustment holes 2111 are respectively formed at both ends of the first beam 211. Both ends of each second beam 213 are coupled to the first adjustment holes 2111 of the two first beams 211 using fasteners (not shown), respectively. When the second beams 213 are connected to different first adjustment holes 2111 of the first beam 211, the distance between the two second beams 213 can be adjusted to adapt to carriers 200 with different widths. A plurality of second adjustment holes 2131 are respectively formed at both ends of each second beam 213. The crane 21 further comprises at least one guide block 215. In one embodiment, the number of guide blocks 215 is four. Each two guide blocks 215 are coupled to a corresponding second alignment hole 2131 of one second beam 213 using fasteners (not shown). The guide blocks 215 are connected to different second adjustment holes 2131 on the second beam 213 to adjust the spacing between the two guide blocks 215 to accommodate carriers 200 of different lengths.

It is understood that in other embodiments, the number of the guide blocks 215 may be one. The guide block 215 is disposed on the second beam 213. One side of the second beam 213 departing from the guide block 215 is connected with a blanking station of the carrier 200 after the PCB 300 is welded, and the carrier 200 slides along the two second beams 213 until being attached to the guide block 215 to be positioned on the lifting frame 21. The adjustment guide block 215 is connected to different second adjustment holes 2131 to accommodate carriers 200 of different lengths.

The driving member 31 drives the output shaft 311 and drives the first beam 211, the second beam 213 and the carrier 200 to ascend or descend. In order to avoid the first beam 211 and the second beam 213 from falling down and colliding with the platform 13 with large noise, the crane 21 is further provided with a plurality of cushion pads 217 on the side facing the platform 13.

Referring to fig. 2, the supporting member 23 includes a connecting plate 231 and a plurality of supporting blocks 233. The connection plate 231 is placed on the stage 13. The platform 13 is provided with a plurality of positioning pins 131. In one embodiment, the number of the positioning pins 131 is two, but not limited thereto. Two positioning pins 131 can be inserted into holes of the connection plate 231 to position the connection plate 231 on the stage 13. The plurality of abutting blocks 233 are disposed on the connecting plate 231. The carrier 200 is provided with a plurality of through holes 201. The holding blocks 233 can be aligned with the corresponding through holes 201. When the driving member 31 drives the lifting frame 21 to descend, the abutting block 233 can penetrate through the through hole 201 and abut against the PCB 300. The top support 23 may be designed in different configurations to accommodate the removal of different PCB boards 300.

Referring to fig. 1, in one embodiment, the driving mechanism 30 further includes a foot valve 33. The foot valve 33 is located at one side of the frame 10, and the foot valve 33 is electrically or pneumatically connected to the driving member 31. The treading foot valve 33 can control the driving part 31 to drive the lifting frame 21 and the carrier 200 to descend; releasing the foot valve 33 can control the driving piece 31 to drive the lifting frame 21 to ascend and reset. It is understood that in other embodiments, the foot valve 33 can be replaced by a button switch and is disposed on the platform 13 as long as the driving member 31 can be controlled to drive the lifting frame 21 to ascend or descend.

Referring to fig. 1, the driving mechanism 30 further includes a regulating valve 35. The regulating valve 35 is disposed on the platform 13 and is used for controlling the intake pressure of the driving member 31 to control the operation speed thereof. It is understood that in other embodiments, the regulating valve 35 may be omitted.

In operation, the second beam 213 is adjustably mounted on the first beam 211 and the guide block 215 is adjustably mounted on the second beam 213 to adapt to the length and width of the carrier 200. The top holder 23 adapted to the PCB 300 is placed on the stage 13 and the positioning pins 131 are inserted into the holes of the connection plate 231. The carrier 200 and the PCB 300 are placed on the crane 21. The securing mechanism of the carrier 200 is detached. When the foot valve 33 is stepped, the driving member 31 drives the lifting frame 21 to descend, the PCB 300 is stopped by the supporting member 23, and the carrier 200 descends to be separated from the PCB. The PCB 300 and the carrier 200 are sequentially removed. The foot valve 33 is released, and the driving member 31 drives the lifting frame 21 to ascend and reset for entering the next procedure of blanking the PCB 300.

The PCB blanking device 100 drives the lifting frame 21 to descend by using the driving part 31 and drives the carrier 200 and the PCB 300 to descend, the jacking part 23 stops the PCB 300 to separate the PCB 300 from the carrier 200, then the PCB 300 is blanked, the scraping and collision conditions when the PCB 300 is directly taken out of the carrier 200 are avoided, the quality of the PCB 300 is ensured, and the efficiency is improved. The foot valve 33 controls the action of the driving part 31, and the operation is convenient. The distance between the two second beams 213 of the lifting frame 21 and the positions of the guide blocks are adjustable to adapt to carriers 200 with different length and width sizes, and the jacking piece 23 is positioned on the platform 13 through the positioning pin 131, so that the lifting frame is convenient to disassemble and replace, and the universality of the PCB blanking device 100 is improved.

In addition, other modifications within the spirit of the invention may occur to those skilled in the art, and such modifications are, of course, included within the scope of the invention as claimed.

Claims

1. The utility model provides a PCB board unloader for follow carrier dismantlement PCB board, its characterized in that: the PCB board blanking device comprises a rack, a detaching mechanism and a driving mechanism, wherein the driving mechanism is arranged on the rack, the detaching mechanism comprises a lifting frame and a jacking piece, the lifting frame is used for bearing the carrier and is arranged on the driving mechanism, the driving mechanism can drive the lifting frame and the carrier to ascend or descend, the jacking piece is arranged on the rack and can sequentially penetrate through the lifting piece and the carrier and jack the lifting frame and the carrier on the PCB board, and therefore the PCB board is ordered to be separated from the carrier.

2. The PCB blanking device of claim 1, wherein: the crane comprises two first beams, two second beams and at least one guide block, wherein the two first beams are arranged on the driving mechanism relatively, the two second beams are arranged on the driving mechanism relatively, two ends of each second beam are connected with the two first beams respectively, and the at least two guide blocks are arranged on the second beams relatively.

3. The PCB blanking device of claim 2, wherein: a plurality of first adjusting holes are formed in two ends of each first beam respectively, and two ends of each second beam are connected with the first adjusting holes of the two first beams respectively through fasteners.

4. The PCB blanking device of claim 2, wherein: each second beam is provided with a plurality of second adjusting holes, and at least one guide block is connected with the corresponding second adjusting hole on the second beam by adopting a fastener.

5. The PCB blanking device of claim 1, wherein: the supporting piece comprises a connecting plate and a plurality of supporting blocks, the connecting plate is arranged on the rack, the supporting blocks are arranged on the connecting plate, the carrier is provided with a plurality of through holes, and the supporting blocks can sequentially penetrate through the lifting frame and the corresponding through holes to support the PCB.

6. The PCB blanking device of claim 5, wherein: a plurality of positioning pins are arranged on the machine frame and are used for being inserted into the holes of the connecting plate.

7. The PCB blanking device of claim 1, wherein: the crane is also provided with a plurality of cushion pads on one side facing the rack.

8. The PCB blanking device of claim 1, wherein: this actuating mechanism includes a plurality of driving pieces, and a plurality of these driving pieces set up in the frame, and one side that every this driving piece deviates from this frame sets up the output shaft, and this driving piece can drive this output shaft and stretch out or retract, and this output shaft is connected with this crane.

9. The PCB blanking device of claim 8, wherein: the driving mechanism further comprises a foot valve which is located on one side of the frame and used for controlling the driving piece to drive the output shaft to extend or retract.

10. The PCB blanking device of claim 8, wherein: the driving mechanism further comprises a regulating valve, and the regulating valve is arranged on the rack and used for controlling the running speeds of the driving pieces.