CN110582169A

CN110582169A - Baking equipment for PCB

Info

Publication number: CN110582169A
Application number: CN201910705109.8A
Authority: CN
Inventors: 邱田生; 郭家宝; 李�诚; 陈振才
Original assignee: Dongguan Toplit Equipment Co Ltd
Current assignee: Dongguan Toplit Equipment Co Ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2019-12-17
Anticipated expiration: 2039-08-01
Also published as: CN110582169B

Abstract

The invention relates to a baking device of a PCB (printed circuit board), which comprises a baking mechanism, and a feeding mechanism and a discharging mechanism which are arranged on two sides of the baking mechanism, wherein the baking mechanism is divided into two layers, the upper layer is a baking device, the baking device comprises a baking conveying device and a baking part which are matched with a charging frame, the lower layer is a circulating conveying device which is opposite to the conveying direction of the baking conveying device, the baking conveying device is matched with the feeding mechanism and the discharging mechanism through feeding manipulators on two sides, the circulating conveying device is butted with the feeding mechanism and the discharging mechanism through a circulating transfer device, and the charging frame is a frame body with at least two layers; the invention aims to provide a baking device of a PCB, which adopts a multilayer loading frame as a carrier for the PCB to move in the baking device, designs the baking device into two layers, and can realize the circulating operation of the loading frame by matching with a two-layer conveying structure, thereby improving the baking efficiency, enabling the loading frame to be matched with a printing device and an exposure device to complete the connection without reducing the operating efficiency of the printing device and the exposure device.

Description

Baking equipment for PCB

Technical Field

The invention relates to the field of PCB (printed circuit board) processing equipment, in particular to baking equipment for a PCB.

Background

In the yellow light processing process of the PCB, the surface of the PCB needs to be cleaned through a horizontal line, then the PCB passes through a photosensitive material on a printing device, then the photosensitive material needs to be pre-dried through a baking device (an oven), then the PCB is sent into an exposure machine for exposure, and finally the PCB is washed through the horizontal line, so that the whole process of image transfer is completed.

most of the existing baking equipment comprises a conveying part and a baking part, the conveying part adopts a clamp to clamp the edge of a PCB (after printing, only the part with the edge being dozens of micrometers is free of photosensitive materials) and then the PCB penetrates through the baking equipment by matching a clamp with a conveying chain and the like, and then the drying of the PCB is completed.

Disclosure of Invention

The invention aims to provide a baking device of a PCB, which adopts a multilayer loading frame as a carrier for the PCB to move in the baking device, designs the baking device into two layers, and can realize the circulating operation of the loading frame by matching with a two-layer conveying structure, thereby improving the baking efficiency, enabling the loading frame to be matched with a printing device and an exposure device to complete the connection without reducing the operating efficiency of the printing device and the exposure device.

In order to achieve the above purpose, the invention adopts the technical scheme that: the utility model provides a PCB board toasts equipment, is including the pan feeding mechanism and the discharge mechanism who toasts mechanism and its both sides, toast the mechanism and divide into two-layerly, the upper strata is baking equipment, baking equipment include with the frame complex of feeding toast conveyor and toast the part, the lower floor be with toast conveyor direction of delivery opposite's circulation conveyor, the cooperation of feeding manipulator and pan feeding mechanism and discharge mechanism that toasts conveyor through both sides, circulation conveyor dock with pan feeding mechanism and discharge mechanism through circulation transfer device, the frame of feeding for being no less than two-layer framework.

Preferably, the frame of feeding include the splice frame and be no less than two with the splice frame perpendicular setting connect the material frame, connect the material frame along vertical trend even being provided with and connect the material pole, the middle part that connects the material pole connect the material flat bar for the horizontally, the both ends that connect the material flat bar be connected with the material down tube that connects of tilt up, and the upper layer connect the material flat bar and be greater than the PCB plate thickness rather than the interval difference that connects the material down tube top of adjacent lower floor.

preferably, two material receiving inclined rods of the same material receiving rod are symmetrical about the material receiving horizontal rod, and the included angle between the material receiving inclined rods and the horizontal plane is 5-35 degrees.

Preferably, pan feeding mechanism and discharge mechanism's structure identical, and about toasting the mechanism symmetry, pan feeding mechanism include the pan feeding conveyor who docks with lithography apparatus, pan feeding conveyor's end cooperation have a frame blowing device, frame blowing device include frame material loading mount pad, frame material loading mount pad on even install frame material loading cylinder, and the other end of frame material loading cylinder is connected with cylinder installation piece, cylinder installation piece be single design, all frame material loading cylinders all by the frame material loading motor drive in the frame material loading mount pad outside, connect the material frame to insert between two adjacent frame material loading cylinders, the connection frame is located the outside of cylinder installation piece, and the below of frame material loading cylinder be provided with the frame jacking device of frame complex of feeding.

Preferably, the frame feeding roller consists of three sections of cylinders, the three sections of cylinders can rotate synchronously through linkage structure connection, and the shape of the three sections of cylinders forming the frame feeding roller is consistent with the shape of the material receiving flat rod and the shape of the two material receiving inclined rods forming the material receiving rod.

Preferably, the material loading manipulator including set up the material loading head in the baking equipment side, material loading head on be provided with material loading elevating gear, material loading elevating gear be connected with material loading lift seat, material loading lift seat on be provided with be no less than two with single material receiving frame upper end complex material loading get material couple group, material loading couple group is got including being no less than two material loadings and getting the material couple.

Preferably, the connecting frame is provided with two frame transfer matching blocks in a horizontal direction, the circulating transfer device comprises a transfer mounting seat arranged outside the baking device, the transfer mounting seat is provided with a transfer movable device capable of moving back and forth and left and right and a transfer pushing seat connected with the transfer movable device, the transfer pushing seat is provided with a transfer upper pressing block for pressing the upper end surface of the connecting frame and a transfer lower supporting roller for supporting the frame transfer matching blocks at the lower part, the transfer pushing seat is also provided with a transfer lifting device, the transfer lifting device is connected with a transfer lifting seat above, and the transfer lifting seat is provided with a transfer middle supporting block for supporting the frame transfer matching blocks at the upper part.

preferably, the transfer movable device comprises a transfer movable belt and a transfer movable motor which are arranged on the transfer mounting seat, the transfer movable belt is fixedly connected with a transfer movable seat, the transfer movable seat is matched with a transfer movable slide rail on the transfer mounting seat, and the transfer movable seat is connected with the transfer propelling seat through a transfer propelling cylinder which is vertical to the transfer movable belt.

Drawings

FIG. 1 is a schematic perspective view of a PCB baking apparatus;

FIG. 2 is a schematic perspective view of a baking apparatus for PCB boards with a part of the frame removed;

FIG. 3 is a perspective view of the feeding mechanism;

FIG. 4 is a schematic perspective view of a frame emptying device;

FIG. 5 is a perspective view of the loading frame;

FIG. 6 is a partial perspective view of a single connecting frame;

Fig. 7 is a perspective view of the loading manipulator;

FIG. 8 is a perspective view of the endless transfer device in cooperation with the loading frame;

FIG. 9 is a front perspective view of the endless transfer device;

Fig. 10 is a reverse perspective view of the endless transfer device.

The text labels shown in the figures are represented as: 1. a baking mechanism; 2. a feeding mechanism; 3. a discharging mechanism; 4. a baking device; 5. a circulating conveying device; 7. A feeding manipulator; 8. a circulating transfer device; 9. a feed conveyor; 10. a PCB board; 11. a frame emptying device; 12. a loading frame; 13. a frame jacking device; 14. a frame feeding mounting seat; 15. a frame feeding motor; 16. a frame loading drum; 17. a frame feeding intercepting block; 18. a roller mounting block; 20. a frame transfer mating block; 21. a connecting frame; 22. a material receiving frame; 23. a receiving rod; 24. a material receiving inclined rod; 25. a material receiving flat rod; 26. a feeding movable device; 27. a feeding lifting device; 28. a feeding lifting seat; 29. a feeding and taking hook; 31. a transfer mounting base; 32. a transfer movable slide rail; 33. rotating the movable seat; 34. transferring the movable belt; 35. a transfer movable motor; 36. rotating the propelling seat; 37. a forwarding propulsion cylinder; 38. transferring the upper briquette; 39. a transfer lower support roller; 40. a transfer lifting device; 41. a transfer lifting seat; 42. the middle support block is transferred.

Detailed Description

the following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

as shown in fig. 1-2, the specific structure of the present invention is: the utility model provides a PCB board toasts equipment, is including the pan feeding mechanism 2 and the discharge mechanism 3 of toasting 1 and its both sides of mechanism, toast 1 of mechanism and divide into two-layerly, the upper strata is baking equipment 4, baking equipment 4 include with the 12 complex of charge frame toast conveyor and toast the part, the lower floor be with toast conveyor direction of delivery opposite's circulation conveyor 5, the loading manipulator 7 and pan feeding mechanism 2 and the 3 cooperation of discharge mechanism that toast conveyor passes through both sides, circulation conveyor 5 through the butt joint of circulation transfer device 8 and pan feeding mechanism 2 and discharge mechanism 3, charge frame 12 for being no less than two-layer framework.

The operation is as follows, firstly, the loading frame 12 is placed at the position matched with the feeding mechanism 2, then the loading frame 12 is fed with PCB boards through the feeding mechanism 2, then the loading frame 12 is clamped and placed on the baking and conveying device through the feeding manipulator 7, the PCB boards 10 on the loading frame 12 are conveyed out through the baking and conveying device and are positioned at the tail end of the baking and conveying device after being dried through the baking part, the loading frame 12 is taken and placed at the position matched with the discharging mechanism 3 through the loading manipulator 7 at the other side, then the PCB boards 10 on the loading frame 12 are conveyed out through the discharging mechanism 3, then the empty loading frame 12 is conveyed onto the circulating and conveying device 7 through the circulating and conveying device 8 at the other side, then the empty loading frame 12 is conveyed to the position butted with the feeding mechanism 2 again through the circulating and conveying device 8 at the other side, thus multilayer synchronous baking is realized, meanwhile, the cyclic utilization of the loading frame is realized, the baking efficiency of the baking mechanism is greatly improved, the baking mechanism can be matched with the printing equipment and the exposure equipment to connect, and the working efficiency of the printing equipment and the exposure equipment can be kept up.

as shown in fig. 5-6, the charging frame 12 includes a connection frame 22 and at least two material receiving frames 22 perpendicular to the connection frame 22, the material receiving frames 22 are provided with material receiving rods 23 along the vertical direction, the middle of the material receiving rods 23 is a horizontal material receiving rod 25, two ends of the material receiving rod 25 are connected with inclined material receiving rods 24 inclined upward, and the distance between the upper material receiving rod 25 and the uppermost end of the material receiving rod 24 of the adjacent lower layer is greater than the thickness of the PCB board.

The structural design of the material loading frame 12, particularly the structural design of the material receiving inclined rod 24 and the material receiving flat rod 25, as long as the width specification is larger than the length of the material receiving flat rod 25, the PCB which is smaller than the inner frame of the material receiving frame 22 can be loaded, and in the loading process, two side faces of the PCB 10 can be located on the two material receiving inclined rods 24, so that the contact part between the edge of the PCB and the material receiving inclined rod 24 is extremely small, the edge part without photosensitive materials at the contact part is ensured, the photosensitive materials are not polluted while multi-layer loading is realized, meanwhile, the material loading device can adapt to the loading of the PCBs with different specifications, and even the PCBs with various width specifications can be loaded in one material loading frame 12.

As shown in fig. 6, two material receiving diagonal rods 24 of the same material receiving rod 23 are symmetrical with respect to the material receiving horizontal rod 25, and the included angle between the material receiving diagonal rods 24 and the horizontal plane is 5-35 degrees.

The symmetrical design of the two material receiving inclined rods 24 relative to the material receiving flat rod 25 can ensure that the contact parts of the PCB and the two material receiving inclined rods are consistent, the PCB is in a horizontal state after being charged, and the included angle is too large, so that the PCB slides to one side easily, and is too small and the interference of photosensitive materials easily occurs.

As shown in fig. 3-4, the structure of the feeding mechanism 2 and the discharging mechanism 3 is completely the same, and is symmetrical about the baking mechanism 1, the feeding mechanism 2 comprises a feeding conveying device 9 which is butted with a printing device, the tail end of the feeding and conveying device 9 is matched with a frame discharging device 11, the frame discharging device 11 comprises a frame feeding mounting seat 14, a frame feeding roller 16 is uniformly arranged on the frame feeding mounting seat 14, and the other end of the frame feeding roller 16 is connected with a roller mounting block 18, the roller mounting block 18 is designed as a single block, all the frame feeding rollers 16 are driven by a frame feeding motor 15 outside the frame feeding mounting seat 14, a material receiving frame 22 is inserted between two adjacent frame feeding rollers 16, a connecting frame 21 is positioned outside the roller mounting block 18, and a frame jacking device 13 matched with the charging frame 12 is arranged below the frame charging roller 16.

The roller mounting block 18 is designed singly, the connecting frame 21 is positioned at the outer side of the roller mounting block 18, when the loading frame 12 is placed into the feeding mechanism 2, the material receiving frame 22 is inserted between the frame loading rollers 16 from one side of the roller mounting block 18, then the frame loading rollers 16 are driven to rotate by the frame loading motor 15, the PCB is conveyed by the feeding conveying device 9 and then is conveyed by the frame loading rollers 16 and further falls onto the material receiving rods, generally, the frame loading intercepting block 17 is arranged outside the last frame loading roller 16 in a matching way, when the PCB 10 is intercepted by the frame loading intercepting block 17, the PCB 10 is completely loaded into the loading frame 12, then the loading frame 12 is jacked upwards by the frame jacking device 13, the next layer loading rod is butted with the frame loading rollers 16, and after the whole loading process is completed, the loading frame 12 is taken out from the upper part through a loading manipulator, and the design can realize the matching of the frame loading roller 16 and the loading frame 12, and meanwhile, the loading and the taking out of the loading frame 12 cannot be interfered.

In the discharging mechanism, the charging frame 12 with the PCB mounted thereon is put in from above by the feeding robot and is drawn out from the outside of the drum mounting block by the circulating transfer device.

As shown in fig. 3-4, the frame loading roller 16 is composed of three sections of cylinders, and the three sections of cylinders are connected by a linkage structure and can rotate synchronously, and the shape of the three sections of cylinders composing the frame loading roller 16 is consistent with the shape of the material receiving horizontal rod 25 and the shape of the two material receiving inclined rods 24 composing the material receiving rod 23.

The frame loading roller 16 is designed to ensure that the frame loading roller 16 contacts only the edge portion thereof when transporting the PCB, and does not damage the photosensitive material portion during the transportation.

As shown in fig. 7, the feeding manipulator 7 includes a feeding moving device 26 disposed on the side of the baking device 4, the feeding moving device 26 is provided with a feeding lifting device 27, the feeding lifting device 27 is connected with a feeding lifting seat 28, the feeding lifting seat 28 is provided with at least two feeding and taking hook groups which are matched with the upper end of a single material receiving frame 22, and each single feeding and taking hook group includes at least two feeding and taking hooks 29.

When the loading frame 12 in the feeding mechanism is loaded with the PCB 10, the loading lifting seat 28 is driven to move by the loading moving device 26 and the loading lifting device 27, so that the loading and taking hook 29 hooks the upper part of the receiving frame 22, and then the loading moving device 26 and the loading lifting device 27 move to integrally take and place the loading frame 12 on the baking and conveying device, and at least four points can be stressed by the design of at least four loading and taking hooks 29, so that the stable transfer of the loading frame 12 can be ensured.

As shown in fig. 8-10, the connecting frame 21 is provided with two frame transfer matching blocks 20 in a horizontal direction, the circulating transfer device 8 includes a transfer mounting base 31 arranged outside the baking device, the transfer mounting base 31 is provided with a transfer moving device capable of moving forward, backward, leftward and rightward and a transfer pushing base 36 connected with the transfer moving device, the transfer pushing base 36 is provided with a transfer upper pressing block 38 for pressing the upper end surface of the connecting frame 21 and a transfer lower supporting roller 39 for supporting the frame transfer matching block 20 at the lower part, the transfer pushing base 36 is further provided with a transfer lifting device 40, the transfer lifting base 41 is connected above the transfer lifting device 40, and the transfer lifting base 41 is provided with a transfer middle supporting block 42 for supporting the frame transfer matching block 20 at the upper part.

The transfer movable device comprises a transfer movable belt 34 and a transfer movable motor 35 which are arranged on a transfer mounting seat 31, a transfer movable seat 33 is fixedly connected on the transfer movable belt 34, the transfer movable seat 33 is matched with a transfer movable slide rail 32 on the transfer mounting seat 31, and the transfer movable seat 33 is connected with a transfer pushing seat 36 through a transfer pushing cylinder 37 which is vertical to the transfer movable belt 34.

When the frame needs to be transferred, the transfer movable belt 34 is driven to move by the transfer movable motor 35, the transfer movable seat 31 is driven to move to the position matched with the charging frame 12, then the transfer propulsion cylinder 37 drives the transfer propulsion seat 36 to propel towards the charging frame 12, the frame transfer matching block 20 at the lower part of the charging frame 12 is supported by the transfer lower supporting roller 39, the upper part of the connecting frame 21 is pressed by the transfer upper pressing block 38, preliminary clamping and positioning are completed, then the transfer lifting seat 41 is driven to ascend by the transfer lifting device 40, and the pressing frame at the upper part of the charging frame is driven to ascend by the transfer middle supporting block 42 and transfer the matching block 20, so that the clamping of the charging frame is completed through the effects of three points, and the situations of shaking and inclining cannot occur in the clamping process.

When the intelligent control device is used specifically, a control system can be equipped for controlling the cooperative work of all the power parts, and the integral operation can be realized through the control buttons of all the power parts.

it should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principle and embodiments of the present invention have been described herein by way of specific examples, which are provided only to help understand the method and the core idea of the present invention, and the above is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can also be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

1. The utility model provides a stoving equipment of PCB board, is including the pan feeding mechanism (2) and discharge mechanism (3) of toasting mechanism (1) and its both sides, a serial communication port, toast mechanism (1) divide into two-layerly, the upper strata is baking equipment (4), baking equipment (4) including with dress material frame (12) complex toast conveyor and toast the part, the lower floor be with toast conveyor direction of delivery opposite circulation conveyor (5), toast material loading manipulator (7) and pan feeding mechanism (2) and discharge mechanism (3) cooperation of conveyor through both sides, circulation conveyor (5) through circulation transfer device (8) and pan feeding mechanism (2) and discharge mechanism (3) butt joint, dress material frame (12) for being no less than two-layer framework.

2. The PCB baking equipment as claimed in claim 1, wherein the material loading frame (12) comprises a connecting frame (22) and at least two material receiving frames (22) which are perpendicular to the connecting frame (22), the material receiving frames (22) are uniformly provided with material receiving rods (23) along a vertical direction, the middle of each material receiving rod (23) is a horizontal material receiving flat rod (25), the two ends of each material receiving flat rod (25) are connected with material receiving inclined rods (24) which are inclined upwards, and the distance difference between the material receiving flat rod (25) on the upper layer and the uppermost end of the material receiving inclined rod (24) on the lower layer adjacent to the material receiving flat rod (25) on the upper layer is larger than the thickness of the PCB.

3. the PCB baking equipment as claimed in claim 2, wherein two inclined material receiving rods (24) of the same material receiving rod (23) are symmetrical about the horizontal material receiving rod (25), and the included angle between the inclined material receiving rods (24) and the horizontal plane is 5-35 degrees.

4. The PCB baking equipment as claimed in claim 2, wherein the structure of the feeding mechanism (2) and the discharging mechanism (3) is completely the same and is symmetrical about the baking mechanism (1), the feeding mechanism (2) comprises a feeding conveying device (9) butted with a printing device, a frame discharging device (11) is matched with the tail end of the feeding conveying device (9), the frame discharging device (11) comprises a frame feeding mounting seat (14), a frame feeding roller (16) is uniformly mounted on the frame feeding mounting seat (14), a roller mounting block (18) is connected with the other end of the frame feeding roller (16), the roller mounting block (18) is of a single design, and all the frame feeding rollers (16) are driven by a frame feeding motor (15) outside the frame feeding mounting seat (14), the material receiving frame (22) is inserted between two adjacent frame feeding rollers (16), the connecting frame (21) is positioned on the outer side of the roller mounting block (18), and a frame jacking device (13) matched with the material receiving frame (12) is arranged below the frame feeding rollers (16).

5. The PCB baking equipment as claimed in claim 4, wherein the frame feeding roller (16) is composed of three sections of cylinders, the three sections of cylinders are connected through a linkage structure and can rotate synchronously, and the three sections of cylinders composing the frame feeding roller (16) are identical in shape with the material receiving horizontal rod (25) and the two material receiving inclined rods (24) composing the material receiving rod (23).

6. The baking equipment for the PCB as claimed in claim 2, wherein the feeding manipulator (7) comprises a feeding movable device (26) arranged on the side surface of the baking device (4), the feeding movable device (26) is provided with a feeding lifting device (27), the feeding lifting device (27) is connected with a feeding lifting seat (28), the feeding lifting seat (28) is provided with at least two feeding and taking hook groups matched with the upper end of a single material receiving frame (22), and the single-row material taking hook group comprises at least two feeding and taking hooks (29).

7. The baking equipment of the PCB as claimed in claim 2, wherein the connecting frame (21) is provided with two frame transfer matching blocks (20) in a horizontal direction, the circulating transfer device (8) comprises a transfer mounting base (31) arranged outside the baking equipment, the transfer mounting base (31) is provided with a transfer moving device capable of moving back and forth and left and right and a transfer propelling base (36) connected with the transfer moving device, the transfer propelling base (36) is provided with a transfer upper pressing block (38) for pressing the upper end surface of the connecting frame (21) and a transfer lower supporting roller (39) for supporting the frame transfer matching blocks (20) at the lower part, the transfer propelling base (36) is further provided with a transfer lifting device (40), and a transfer lifting base (41) is connected above the transfer lifting device (40), the transfer lifting seat (41) is provided with a transfer middle supporting block (42) for supporting the frame transfer matching block (20) at the upper part.

8. The PCB baking equipment as claimed in claim 7, wherein the transfer moving device comprises a transfer moving belt (34) and a transfer moving motor (35) arranged on the transfer mounting base (31), the transfer moving belt (34) is fixedly connected with a transfer moving base (33), the transfer moving base (33) is matched with a transfer moving slide rail (32) on the transfer mounting base (31), and the transfer moving base (33) is connected with the transfer pushing base (36) through a transfer pushing cylinder (37) vertical to the transfer moving belt (34).