CN111573189A

CN111573189A - PCB board conveying system

Info

Publication number: CN111573189A
Application number: CN201910656360.XA
Authority: CN
Inventors: 黄齐齐; 庞士君; 常远
Original assignee: Vega CNC Technology Suzhou Co Ltd
Current assignee: Vega CNC Technology Suzhou Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-08-25
Also published as: CN118405461A; CN118107998A; CN118419563A; CN118419562A; CN118083539A

Abstract

The invention discloses a PCB conveying system which comprises a transfer device and a second conveying device, wherein the transfer device comprises a first conveying device, the first conveying device comprises a plurality of first conveying assemblies which are sequentially arranged along a first direction, the first conveying assemblies are used for conveying PCBs between a workbench of a PCB drilling machine and the second conveying device along a second direction perpendicular to the first direction, and the second conveying device is configured to be capable of sequentially conveying the PCBs between the first conveying assemblies and the second conveying assemblies at the positions of the first conveying assemblies along the second direction. According to the PCB conveying system provided by the invention, the transfer device comprises the plurality of first conveying assemblies, the second conveying device can convey the PCBs to the first conveying assemblies in sequence, and the first conveying assemblies convey the PCBs to the workbench of the PCB drilling machine at the same time.

Description

PCB board conveying system

Technical Field

The invention relates to the technical field of conveying devices, in particular to a PCB conveying system.

Background

In the PCB (Printed circuit boards) industry, as PCB drilling machines and forming machines become mature, the processing scale in the factory is gradually enlarged, the labor cost is reduced, and the requirement for improving the automation degree is increased.

In the current processing processes of drilling, edge milling and the like of the PCB, the PCB is usually fixed on a workbench of a drilling machine or an edge milling machine and the like manually, and the PCB is loaded and unloaded manually, and special operators are required to follow up production on site all the time; especially, the PCB with short processing time needs personnel to always load and unload materials beside the machine, and the labor cost is very high. Moreover, if the machine finishes one-time processing, personnel do not change materials in time, the machine is always in a stop state, and the production efficiency and the equipment utilization rate of the machine are influenced; meanwhile, when the operating personnel change the materials, each operating processing shaft changes the materials one by one, the material changing time is longer, and the processing efficiency is low. In addition, the product process flow is relatively unstable, and human factors need to be considered when analyzing the product process.

Disclosure of Invention

The invention aims to provide a PCB conveying system which is simple in structure and high in conveying efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

a PCB board conveying system comprising:

the transfer device comprises a first conveying device, the first conveying device comprises a plurality of first conveying assemblies which are sequentially arranged along a first direction, and the first conveying assemblies are used for conveying the PCB between the work table of the PCB drilling machine and the second conveying assembly along a second direction perpendicular to the first direction; and

a second transport device configured to be capable of transporting the PCB board between the first transport assembly and the second transport assembly at each of the first transport assemblies in sequence.

In a specific embodiment, the transfer device includes two first conveying devices sequentially arranged in a height direction, one of the first conveying devices is used for supplying the PCB to the workbench, and the other one of the first conveying devices is used for receiving the PCB supplied by the workbench.

In a specific embodiment, a first guide part is arranged at the first conveying assembly, and a first pin guide through groove with two ends and an open top is formed in the first guide part.

In a specific embodiment, the first conveying device includes a telescopic member provided at least one end of the pin guide through groove, and the telescopic member is capable of switching between a state of shielding an end portion of the first pin guide through groove and a state of releasing the end portion of the first pin guide through groove.

In a specific embodiment, the transfer device includes a base, and the first conveying device is arranged on the base in a liftable manner.

In one embodiment, the second conveying device comprises a vehicle body, a support arranged on the vehicle body, and a plurality of second conveying assemblies arranged on the support in sequence along the height direction.

In a specific embodiment, a supporting plate is arranged below each second conveying assembly on the support, and a second pin guiding through groove with two ends and an open top is formed in the supporting plate.

In a specific embodiment, a third conveying assembly is arranged on the workbench and used for conveying the PCB along the second direction.

In one embodiment, the third conveying assembly is arranged on the workbench in a lifting manner.

In a specific embodiment, a third pin guiding through groove with two ends and an open top is formed in the workbench.

The invention has the following beneficial effects:

according to the PCB conveying system provided by the invention, the transfer device comprises the plurality of first conveying assemblies, the second conveying device can convey the PCBs to the first conveying assemblies in sequence, and the first conveying assemblies convey the PCBs to the workbench of the PCB drilling machine at the same time.

Drawings

FIG. 1 is a schematic diagram of a PCB conveying system according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a PCB board provided by the embodiment of the invention;

fig. 3 is a schematic structural diagram of a transfer device according to an embodiment of the present invention;

FIG. 4 is a front view of FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a schematic structural view of FIG. 3 with the dust cover removed;

FIG. 7 is a schematic structural diagram of a second conveying device provided in the embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a workbench according to an embodiment of the present invention;

fig. 9 is a partial enlarged view at B in fig. 8.

Reference numerals:

100. a transfer device; 200. a second conveying device; 300. a work table; 400. a PCB board;

110. a first conveying device; 120. a base;

210. a vehicle body; 220. a support; 230. a second transport assembly; 240. a support plate; 250. a second guide member;

310. a third conveying assembly; 320. the third pin is guided to the through groove;

410. positioning a pin;

111. a first conveying assembly; 112. a carriage; 113. a first guide member; 114. a telescoping member;

231. a first conveying roller; 232. a first roller;

251. the second pin is guided to the through groove;

311. a belt frame; 312. a belt pulley; 313. a belt;

1111. a second conveying roller; 1112. a second roller;

1121. a dust-proof cover plate;

1131. the first pin is guided to the through groove.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. The terms "first," "second," "third," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

The invention provides a PCB conveying system which can be used for conveying PCBs, can also be used for conveying other plate-shaped PCBs or products in other shapes.

As shown in fig. 1 to 6, the PCB board conveying system includes a relay device 100, a second conveying device 200, and a work table 300, the relay device 100 including a first conveying device 110, the first conveying device 110 including a plurality of first conveying assemblies 111 arranged in sequence along a first direction (indicated by an arrow P in fig. 1 as the first direction), the first conveying assemblies 111 being used to convey a PCB board 400 between the work table 300 and along a second direction (indicated by an arrow Q in fig. 1 as the second direction) perpendicular to the first direction; the second conveyor 200 is configured to be capable of conveying the PCB 400 between the first conveyor assemblies 111 and the second conveyor assemblies 111 in the second direction at the respective first conveyor assemblies 111 in sequence. The working table 300 may be, but is not limited to, a working table 300 of a PCB drilling machine, on which a PCB is drilled, and in other embodiments, the working table may be used for processing or detecting other PCBs as needed. The number of the first conveying assemblies 111 can be set according to specific needs, and the present embodiment takes the number of the first conveying assemblies 111 as six as an example. The first transportation unit 111 transports the PCB 400 between the table 300 and the second direction, and the first transportation unit 111 may transport the PCB 400 to the table 300, or the table 300 may transport the PCB 400 to the first transportation unit 111. The second conveying device 200 is configured to be capable of conveying the PCB 400 between each first conveying component 111 and the first conveying component 111 in the second direction in sequence, and may be configured such that the second conveying device 200 conveys the PCB 400 to the first conveying component 111, or the first conveying component 111 conveys the PCB 400 to the second conveying device 200.

In the PCB conveying system, the transfer device 100 includes the plurality of first conveying assemblies 111, the second conveying device 200 can convey the PCBs 400 to the first conveying assemblies 111 in sequence, and the first conveying assemblies 111 can convey the plurality of PCBs 400 to the workbench 300 at the same time.

The second conveyor 200 may be, but is not limited to, a logistics robot such as an AGV (Automated Guided Vehicle). The AGV can transport the PCB 400 between the warehouse and the like and the transfer device 100 by itself, and the flexibility is high.

Referring to fig. 7, in order to improve the conveying efficiency, the second conveying device 200 includes a vehicle body 210, a bracket 220 disposed on the vehicle body 210, and a plurality of second conveying assemblies 230 sequentially disposed on the bracket 220 in a height direction. The number of second conveyor assemblies 230 is preferably, but not limited to, equal to the number of first conveyor assemblies 111. The second conveying assembly 230 may include, but is not limited to, a first conveying roller 231. The first conveying roller 231 may be provided with a first roller 232, but is not limited thereto. The first conveying roller 231 and the first roller 232 may be rotated together by the first motor power means. Some PCB boards 400 are provided with positioning pins 410. Alternatively, as shown in fig. 2, the positioning pins 410 are provided on both sides of the PCB 400. In this case, the radius of the first roller 232 is larger than the length of the index pin 410 to prevent the first transfer roller 231 from interfering with the index pin 410. In order to ensure that the PCB 400 moves along a straight line, a supporting plate 240 is disposed below each second conveying assembly 230 on the bracket 220, a second guide 250 is disposed on the supporting plate 240, the first conveying roller 231 penetrates the second guide 250, and the second guide 250 has a second pin guiding through groove 251 with two ends and an open top.

In order to achieve efficient transfer of the PCB 400 between the second conveyor 200 and the transfer device 100, the conveyor may be optionally arranged on the base 120 of the transfer device 100 in a liftable manner, and after receiving the PCB 400 on one layer of the second conveyor assembly 230, the height of the first conveyor 110 is changed to align with the next layer of the second conveyor assembly 230. Optionally, the first conveying device 110 is arranged on the base 120 in a liftable manner through an air cylinder or other power devices. Of course, in other embodiments, the stand 220 may be provided to the vehicle body 210 so as to be movable up and down.

Optionally, the transfer device 100 includes two first conveying devices 110 sequentially arranged along the height direction, wherein one first conveying device 110 is used for supplying the PCB 400 to the workbench 300, and the other first conveying device 110 is used for receiving the PCB 400 supplied by the workbench 300. The work table 300 may receive the plurality of PCB boards 400 on another first conveyor 110 after transferring the plurality of PCB boards 400 thereon to one of the first conveyors 110. The two-layer first conveying device 110 structure can make the structure more compact on the one hand, reduces the area occupied by the whole system, and on the other hand, in the process that the workbench 300 receives the processed PCB 400, the AGV can wait and receive the flitch transmitted by the first conveying device 110 on the spot, and the work efficiency is higher.

Optionally, the first conveyor 110 includes a carriage 112, and the carriages 112 of the two first conveyors 110 may be, but are not limited to being, connected together. The carriage 112 of the upper first conveyor 110 may include, but is not limited to, a dust cover 1121. The structure of the first conveying assembly 111 is not limited, and optionally, the first conveying assembly 111 includes a plurality of second conveying rollers 1111 extending along the first direction and arranged at intervals, and the second conveying rollers 1111 are arranged on the conveying frame 112. The second conveying roller 1111 may be provided with a second roller 1112, but is not limited thereto. The second conveying roller 1111 and the second roller 1112 can be rotated together by a power device such as a first motor. When the positioning pin 410 is disposed on the PCB 400, the radius of the second roller 1112 is greater than the length of the positioning pin 410.

In order to ensure that the PCB 400 moves linearly on the first conveying assembly 111, a first guide member 113 is disposed at the first conveying assembly 111, and a first pin guide through groove 1131 with two ends and an open top is formed on the first guide member 113. The second conveying roller 1111 is disposed on the first guide 113. Optionally, the first conveyor 110 includes a telescopic member 114 disposed at both ends of the first pin guiding channel 1131, and the telescopic member 114 can be switched between a state of shielding an end of the first pin guiding channel 1131 and a state of releasing the end of the first pin guiding channel 1131, so as to prevent the PCB 400 from falling off. Specifically, the telescopic member 114 is disposed on the carriage 112. The telescoping member 114 may be, but is not limited to, a pneumatic cylinder. In other embodiments, only telescoping member 114 may be provided at either end of first pin guide channel 1131.

Optionally, each first conveying assembly 111 is provided with a first in-place sensor, and the first in-place sensor is configured to detect whether the PCB 400 at the corresponding first conveying assembly 111 is conveyed in place.

The work table 300 may receive a plurality of PCB boards 400 conveyed by the first conveying device 110 at the same time, and the work table 300 may move its work heads to process the PCB boards 400 on the work table 300, or may be provided with a plurality of work heads at the same time.

As shown in fig. 8 and 9, in order to facilitate the transportation of the PCB 400, a third transportation assembly 310 is provided on the work stage 300, and the third transportation assembly 310 is used to transport the PCB 400 in the second direction. The third conveying assembly 310 may be, but is not limited to, a belt assembly, and optionally, the belt assembly includes a belt holder 311, a belt pulley 312 disposed on the belt holder 311, and a belt 313 wound on the belt pulley 312. Pulley 312 may be, but is not limited to being, driven by a motive device such as a motor. Since the transfer device 100 includes two first conveying devices 110 sequentially arranged in the height direction, in order to facilitate the transmission of the PCB 400 between the work bench 300 and the transfer device 100, the third conveying assembly 310 is arranged on the work bench 300 in a liftable manner. Optionally, the third conveying assembly 310 is arranged on the workbench 300 in a liftable manner by a power device such as an air cylinder. Specifically, the belt holder 311 is connected to an output end of the air cylinder.

Some of the PCB panels 400 are provided with positioning pins 410, and in order to ensure that the PCB panels 400 are conveyed along a straight line, the working table 300 is provided with a third pin guiding through groove 320 with two ends and a top opening. The third pin guiding channel 320 may be, but is not limited to, be disposed on the worktable 300 to be liftable.

Optionally, a clamping device is disposed on the worktable 300, and the clamping device is used for clamping the PCB 400 after the PCB 400 is in place. Alternatively, the clamping device is the third pin guiding through groove 320, and two opposite groove walls of the third pin guiding through groove 320 may be driven by the power device to move close to or away from each other to clamp or release the PCB 400. Alternatively, the clamping device may be a pressing member or the like provided on the table 300.

Optionally, a second in-place sensor is disposed on the working platform 300, and the second in-place sensor is used for detecting whether the PCB 400 is conveyed in place.

Briefly described below is a method for using a PCB transportation system provided in this embodiment, the method comprising the steps of:

s1, the second conveyor 200 conveys the PCB 400 between the first conveyor assemblies 111 in the second direction at the respective first conveyor assemblies 111 in sequence.

S2: the first transfer assembly 111 transfers the PCB 400 thereon to the work stage 300 in the second direction.

Further comprising the steps of:

s3: when the second in-place sensor detects that the PCB 400 is transferred to a preset position on the work stage 300, the clamping means clamps the PCB 400.

When the second transport apparatus 200 is the AGV, step S1 is:

in the intelligent warehouse, the PCB 400 is placed on the second conveyor assemblies 230 of the respective floors of the AGVs by means of a conveyor belt, and the AGVs carry the PCB 400 and run to predetermined positions. Optionally, the AGV enters a predetermined position along a pre-designed magnet wire, and parking is achieved through WiFi remote control or two-dimensional code recognition and the like.

Step S1 is:

each first conveyor assembly 111 is sequentially aligned with each layer of second conveyor assemblies 230 to receive PCB boards 400 on each layer of second conveyor assemblies 230.

When the intermediate transfer device 100 includes two first conveying devices 110 arranged in the height direction, the step S1 is specifically:

s11, conveying the processed PCB 400 on the workbench 300 to one of the first conveying devices 110a which does not bear the PCB 400;

s12, the first conveyor 110a and the other first conveyor 110b are moved in the height direction relative to the work table 300 so that the first conveyor 110b is aligned with the work table 300, and the PCB 400 on the first conveyor 110b is conveyed to the work table 300.

And S13, transferring the PCB 400 received by the first conveyor 110a to the second conveyor 200.

The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. A PCB board conveying system, comprising:

2. The PCB conveying system according to claim 1, wherein the transfer device comprises two first conveying devices arranged in sequence in a height direction, one of the first conveying devices is used for supplying the PCB to the worktable, and the other first conveying device is used for receiving the PCB supplied from the worktable.

3. The PCB conveying system of claim 1, wherein a first guiding member is disposed at the first conveying assembly, and a first pin guiding through groove with two ends and a top opening is formed on the first guiding member.

4. The PCB conveying system of claim 3, wherein the first conveying device comprises a telescopic member provided at least one end of the first pin guide channel, the telescopic member being capable of switching between a state of shielding an end of the first pin guide channel and a state of releasing the end of the first pin guide channel.

5. The PCB conveying system of claim 1, wherein the transfer device comprises a base, and the first conveying device is arranged on the base in a liftable manner.

6. The PCB conveying system of any one of claims 1 to 5, wherein the second conveying device comprises a vehicle body, a bracket arranged on the vehicle body, and a plurality of second conveying assemblies arranged on the bracket in sequence along a height direction.

7. The PCB conveying system of claim 6, wherein a supporting plate is arranged below each second conveying assembly on the bracket, and a second pin guiding through groove with two ends and an open top is formed in the supporting plate.

8. The PCB conveying system of any one of claims 1 to 5, wherein a third conveying assembly is arranged on the workbench and used for conveying the PCB along the second direction.

9. The PCB conveying system according to claim 8, wherein the third conveying assembly is liftably disposed on the worktable.

10. The PCB conveying system of any one of claims 1 to 5, wherein the workbench is provided with a third pin guiding through groove with two ends and a top opening.