KR20090035277A

KR20090035277A - Pcb unloader

Info

Publication number: KR20090035277A
Application number: KR1020070100461A
Authority: KR
Inventors: 이주영
Original assignee: 이주영
Priority date: 2007-10-05
Filing date: 2007-10-05
Publication date: 2009-04-09

Abstract

A printed circuit board unloading apparatus can unload the printed circuit board by alternately unloading the printed circuit board supplied to the substrate receiving unit in the first load unit and the second load unit. The printed circuit board unloading apparatus(1) comprises the casing(10) forming the space for the outer tube and unit number. The printed circuit board is delivered to the number of substrate receiving unit(20) from the substrate machining process. The suction and moving unit(30) are delivered to the number of substrate receiving unit to move to the first and second load units(40,40'). The first and the second load unit are prepared at both sides of the number of substrate receiving unit to load the printed circuit board.

Description

PCB Unloading Device {PCB Unloader}

The present invention relates to a printed circuit board unloading apparatus, and more particularly, to a printed circuit board unloading apparatus capable of improving the unloading efficiency and productivity of the printed circuit board.

A printed circuit board is a circuit marking process for printing a circuit diagram on a substrate which is a raw material, and an element implantation process for inserting various device components such as a capacitor and a resistor on a printed circuit board on which the circuit is printed (circuit for convenience of description) Marking process "and" element insertion process "are called" substrate processing process ").

A simplified process diagram of a conventional printed circuit board manufacturing process is shown in FIG. As shown in this figure, the conventional printed circuit board manufacturing process 101 is the substrate 103 loaded on the supply table 111 of the substrate supply apparatus 110 is adsorbed one by one by the supply adsorber 113 In addition, the conveyor 120 is supplied to the substrate processing step 130 to perform circuit marking or device implantation.

The printed circuit board 103 ′ processed in the substrate processing process 130 is carried on the conveyor 120 ′, and the printed circuit board 103 ′ discharged in the substrate processing process 130 is unloaded. Unloaded into the device 140.

A general printed circuit board unloading device 140 includes an unloading adsorber 141 for adsorbing a printed circuit board 103 ′ carried on a conveyor 120 ′ from a substrate processing process 130, and an unloading adsorber 141. And an unloading elevating table 145 on which the printed circuit board 103 'adsorbed in the < RTI ID = 0.0 > The unloading elevating table 145 sequentially descends the printed circuit boards 103 'which are adsorbed and delivered to the unloading adsorber 141 while being descended step by step while being raised to a position adjacent to the conveyor 120'.

However, in the conventional unloading device in the manufacturing process of the printed circuit board, since the unloading device is provided as a single device, the unloading of the printed circuit board is performed when the unloaded printed circuit boards are withdrawn from the unloading lifting table. Should be discontinued.

As a result, since both supply and processing of the substrate have to be stopped, there arises a problem that the processing and unloading efficiency of the printed circuit board is significantly lowered, and the productivity of the printed circuit board is lowered.

Accordingly, an object of the present invention is to provide a printed circuit board unloading apparatus which can improve the unloading efficiency and productivity by allowing the printed circuit board to be unloaded while maintaining the supply of the substrate and the progress of the processing process.

According to the present invention, there is provided a printed circuit board unloading apparatus, comprising: a casing having a receiving unit installation area into which a printed circuit board is introduced and a loading unit installation area formed on both sides of the receiving unit installation area; A substrate receiving unit having a conveyor for moving the printed circuit board into the receiving unit installation area, and a conveyor driving motor for driving the conveyor; First and second loading units which are respectively provided in both of the loading unit installation areas, and have an elevating table installed in such a manner as to be capable of elevating in an up and down direction, and a table elevating means for elevating the elevating table; It is installed to reciprocally move from the receiving unit installation area to each of the loading unit installation area, and alternately absorbs the printed circuit board moved into the receiving unit installation area to the lifting table of the first and second loading unit. First and second adsorbers alternately stacked; Adsorber moving means for moving the first and second adsorber to the upper and lower lift tables of the first and second loading units, respectively; When the printed circuit board adsorbed on any one of the first and second adsorber is loaded on the lifting table of the corresponding loading unit among the first and second loading units, the other adsorber controls to adsorb the printed circuit board of the conveyor. At the same time, the lifting table loaded with the printed circuit board is achieved by a printed circuit board unloading apparatus comprising a control unit for controlling the table lifting means to descend in stages.

Here, the adsorber moving means is installed from the top of the loading unit installation area of the one side to the top of the loading unit installation area of the other side and the guide rail for reciprocating movement of the first and second adsorber; ; An adsorber moving belt installed to reciprocate along the longitudinal direction of the guide rail and coupled to the adsorber; It is preferable to include a moving belt drive motor for reciprocating the adsorber moving belt.

The first and second adsorbers may include: a moving slider which is reciprocally coupled to the guide rail, respectively; A plurality of adsorption pipes which are lifted up and down with respect to the mobile slider and connected to a compressor and an air hose, and are provided at a lower end of the adsorption pipe to adsorb and release the printed circuit board by suctioning and suctioning the air of the compressor. An adsorption base body having an adsorption plate; It is effective to have an adsorption lift cylinder which raises and lowers the suction main body with respect to the conveyor and the lift table.

In addition, the table lifting means more preferably has a rack coupled vertically to the lower portion of the lifting table, the pinion for moving the rack in the vertical direction, and the lifting motor for rotating the pinion.

As a result, a printed circuit board unloading apparatus capable of unloading a printed circuit board while maintaining a supply of a substrate and a process of a processing process is continuously maintained, thereby improving the unloading efficiency and productivity of the printed circuit board.

1 is a sectional front view of a printed circuit board unloading apparatus according to the present invention, FIG. 2 is a plan sectional view of a printed circuit board unloading apparatus according to the present invention, and FIG. 3 is a printed circuit according to line III-III of FIG. Side sectional view of the substrate unloading device. As shown in these figures, the printed circuit board unloading apparatus 1 according to the present invention comprises a casing 10 for forming an appearance and a unit accommodating space, and a printed circuit board 3 from the substrate processing step 5. Adsorption moving unit for adsorbing the substrate receiving unit 20 and the printed circuit board 3 delivered to the substrate receiving unit 20 to move to the first and second loading units 40 and 40 'which will be described later. 30 and first and second loading units 40 and 40 'provided on both sides of the substrate receiving unit 20 to load the printed circuit board 3 moved by the adsorption moving unit 30, and each unit. Control unit 50 for controlling the driving of the.

The casing 10 has an inner central area formed of a receiving unit installation area 11 in which the substrate receiving unit 20 is installed, and the first and second loading units 40 on both sides of the receiving unit installation area 11, respectively. , 40 ') is formed as a loading unit installation area 15.

At this time, a substrate inlet 13 through which the printed circuit board 3 transmitted from the substrate processing step 5 flows is formed at one side of the receiving unit installation region 11 facing the substrate processing step 5 side. In addition, one area of the casing 10 corresponding to the receiving unit installation area 11 and the loading unit installation area 15 may be opened or closed to allow inspection and repair of units and devices installed therein from the outside. Is preferably installed.

The substrate receiving unit 20 includes a conveyor 21 for moving the printed circuit board 3 transferred from the substrate processing process 5 into the receiving unit installation area 11 and a conveyor driving motor for driving the conveyor 21. It consists of 23.

Conveyor 21 is installed in the horizontal direction from the substrate inlet 13 of the casing 10 toward the receiving unit installation area 11, the conveyor drive motor 23 is a conveyor in the receiving unit installation area (11) It is provided so that the drive shaft of 21 may be rotated.

The printed circuit board 3 processed in the substrate processing step 5 is loaded on the conveyor 21 at predetermined intervals and supplied into the receiving unit installation area 11.

The adsorption moving unit 30 alternately adsorbs the substrates delivered to the substrate receiving unit 20 to move the first and second adsorption units 31 and 31 'to the first and second loading units 40 and 40'. And adsorber moving means 37 for moving both adsorbers 31 and 31 'from the substrate receiving unit 20 to the first and second loading units 40 and 40'.

The first and second adsorbers 31 and 31 'are movable sliders 33 and 33' which are reciprocally coupled to the guide rails 37a of the adsorber moving means 37, which will be described later, and the moving sliders 33 and 33. Adsorption base body 35,35 'which raises and lowers with respect to "), and the adsorption-lift cylinder 36,36' which raises and lowers the adsorption base body 35,35 '.

The moving sliders 33 and 33 'are coupled to the adsorber moving belt 37b of the adsorber moving means 37, which will be described later, and are clouded with respect to the guide rails 37a of the adsorber moving means 37 on both sides of the upper width direction. The roller 33a which contacts is provided.

And, the adsorption base body (35, 35 ') is coupled to the lower portion of the moving slider (33, 33') adsorption pipe (35b, 35b ') and connected to the compressor and air hose (35a, 35a') not shown, Adsorption plates 35c and 35c provided at the lower ends of the adsorption tubes 35b and 35b 'to suck and release the air by driving a compressor and solenoid valve (not shown) to adsorb and desorb the printed circuit board 3. Has') At least three adsorption plates 35c and 35c 'are preferably provided for stable adsorption of the printed circuit board 3, more preferably at least four corner regions of the printed circuit board 3 are adsorbed. It is preferable that four adsorption plates 35c and 35c 'are provided.

Adsorber lift cylinder (36,36 ') is coupled to the upper portion of the moving slider (33,33') and its cylinder shaft is coupled to the adsorption base (35,35 '). The lifting and lowering drive of the suction cylinder lifting cylinders 36 and 36 'is controlled by the controller 50 to lower the suction main bodies 35 and 35' onto the upper surface of the conveyor 21 of the substrate receiving unit 20 or to move the conveyor 21 to the conveyor 21. ), While lowering the suction main body 35, 35 'to the upper surface of the lifting table 43 of the first and second loading units 40, 40' which will be described later or upwardly away from the lifting table 43. Let's do it.

The first and second adsorbers 31 and 31 'having such a configuration have movable sliders 33 and 33' along the guide rail 37a by driving the adsorber movement belt 37b of the adsorber movement means 37. By moving, both adsorbers are moved from the upper region of the substrate receiving unit 20 to the upper region of the first loading unit 40 and the second loading unit 40 ', respectively.

Meanwhile, the adsorber moving means 37 includes a guide rail 37a for guiding the movement of both adsorbers 31 and 31 ', and an adsorber moving belt 37b for moving the first and second adsorbers 31 and 31'. And a moving belt driving motor 37d for driving the adsorber moving belt 37b.

The guide rail 37a is provided from the loading unit installation area 15 on one side to the loading unit installation area 15 on the other side across the receiving unit installation area 11 on both sides in the width direction of the ceiling of the casing 10. The rollers 33a of the first and second adsorbers 31 and 31 'moving sliders 33 and 33' are coupled to the guide rails 37a so as to enable rolling movement.

The adsorber moving belt 37b is installed adjacent to the guide rail 37a on one side in parallel, and is coupled in a closed loop shape to a pair of belt shafts 37c provided adjacent to both sides in the longitudinal direction of the guide rail 37a. have.

And both adsorbers 31 and 31 'are couple | bonded with the predetermined | prescribed spacing on the side toward the guide rail 37a. At this time. The center spacing of the two adsorbers 31 and 31 'corresponds to the distance between the center of the conveyor 21 of the substrate receiving unit 20 and the center of one of the lifting tables 43 of either of the loading units 40 and 40'. Here, the adsorber moving belt 37b may be provided as another component such as a chain.

The moving belt driving motor 37d rotates any one of both belt shafts 37c of the adsorber moving belt 37b. At this time, the rotating shaft of the moving belt driving motor 37d may be directly connected to the belt shaft 37c, or may be installed to transmit a driving force using a belt or a chain.

On the other hand, the first and second loading units 40 and 40 'have the same configuration and are provided in the loading unit installation areas 15 on both sides of the receiving unit installation area 11 of the casing 10. Looking at the configuration of both of the stacking unit includes a lifting table 43 which is installed in the loading unit mounting area 15 to be able to lift up and down, and a table lifting means 45 for lifting the lifting table 43.

The lifting table 43 loads the printed circuit board 3 thereon. At this time, the elevating table 43 is preferably up and down along the elevating guide 41 provided in the up and down direction on one side of the loading unit installation area (15).

The table lifting means 45 includes a rack 45a coupled vertically to the lower part of the lifting table 43, a pinion 45b for moving the rack 45a in the vertical direction, and a lifting motor for rotating the pinion 45b. 45c). The table elevating means 45 is controlled by the controller 50 so that the elevating motor 45c rotates forward and backward so that the pinion 45b moves the rack 45a upward or downwards by a predetermined width. , The lifting table 43 is raised or lowered step by step. At this time, the elevating of the elevating table 43 by the table elevating means 45 may be implemented by various methods such as chain driving or hydraulic pneumatic cylinder driving in the range in which the elevating table 43 can be stepped down.

On the other hand, the controller 50 senses the printed circuit board 3 mounted on the lift table 43 to control the lift driving of the first and second loading units 40 and 40 ', and the board receiving unit 20 And control the driving of the suction movement unit (30).

An operation process of the printed circuit board unloading apparatus 1 according to the present invention having such a configuration will be described with reference to FIGS. 5 to 10.

When the printed circuit board 3 that has undergone the substrate processing step 5 is loaded on the conveyor 21 of the substrate receiving unit 20 and supplied into the receiving unit installation area 11, as shown in FIG. By the control, the suction lift cylinders 36 and 36 'of the first and second adsorbers 31 and 31' are driven to lower the suction main body 35 of the first adsorber 31 toward the printed circuit board 3. Then, the adsorption base 35 of the lowered first adsorber 31 adsorbs the printed circuit board 3 by the air suction driving of the compressor.

Then, the adsorption base 35 of the second adsorption unit 31 'is lowered adjacent to the lifting table 43 of the second loading unit 40'. At this time, the lifting table 43 of the first and second loading units 40 and 40 'is positioned at the top of each stacking unit in the absence of the printed circuit board 3.

When the printed circuit board 3 is adsorbed to the adsorption main body 35 of the first adsorber 31, the controller 50 drives the adsorption lift cylinders 36 and 36 ′ in reverse, so that the first and the first After raising the adsorption base body 35 of the adsorbers 31 and 31 ', the moving belt drive motor 37d of the adsorber movement means 37 is driven, as shown in FIG. The upper part of the loading unit 40 is moved, and the second adsorber 31 ′ is moved to the upper area of the conveyor 21.

At this time, the new printed circuit board 3 is supplied from the substrate processing step 5 on the conveyor 21 inside the receiving unit installation area 11.

When the first adsorber 31, which absorbs the printed circuit board 3, is moved to the upper portion of the first loading unit 40, and the second adsorber 31 ′ is moved to the upper region of the conveyor 21, the controller 50. As shown in FIG. 8, the adsorption main bodies 35 of the first and second adsorbers 31 and 31 ′ are lowered toward the lifting table 43 and the conveyor 21 of the first loading unit 40, respectively.

Then, the control unit 50 stops the air suction supplied from the compressor to the adsorption base body 35 of the first adsorber 31 so that the printed circuit board 3 raises and lowers the lifting table 43 of the first loading unit 40. ), While the air suction driving of the compressor with respect to the adsorption main body 35 of the second adsorber 31 ′ positioned on the conveyor 21 causes the printed circuit board 3 on the conveyor 21 to It is made to adsorb | suck to the adsorption base body 35 of 2 adsorber 31 '.

Then, the controller 50 drives the table lifting means 45 of the first loading unit 40 to lower the lifting table 43 by one step.

When the printed circuit board 3 is adsorbed to the adsorption base body 35 of the second adsorption unit 31 ', the controller 50 drives the adsorption lift cylinders 36 and 36' in reverse, thereby allowing the first and second adsorbers 31 to be absorbed. And the second adsorption unit 31 ', which raises the adsorption base body 35 of 31', drives the moving belt driving motor 37d of the adsorption unit moving means 37 to adsorb the new printed circuit board 3, The upper portion of the second loading unit 40 ′ is moved, and the first adsorber 31 is moved to the upper region of the conveyor 21.

When the second adsorber 31 ′ having absorbed the printed circuit board 3 is moved above the second loading unit 40 ′ and the first adsorber 31 is moved to the upper region of the conveyor 21, the controller 50 ) Lowers the adsorption base body 35 of the first and second adsorption units 31 and 31 'toward the lifting table 43 and the conveyor 21 of the first loading unit 40, respectively.

Then, the controller 50 stops the suction of air supplied from the compressor to the adsorption base 35 of the second adsorber 31 'so that the printed circuit board 3 raises and lowers the table of the second loading unit 40'. The printed circuit board 3 on the conveyor 21 is driven by air suction driving of the compressor to the adsorption main body 35 of the first adsorber 31 positioned on the conveyor 21 while being loaded on the 43. The adsorption body 35 of the first adsorber 31 is to be adsorbed.

Then, the controller 50 drives the table lifting means 45 of the second loading unit 40 'to lower the lifting table 43 by one step.

As this process is repeated, as shown in FIG. 9, the lifting table 43 of the first and second loading units 40 and 40 ′ is lowered step by step while loading the printed circuit board 3.

Then, when the loading of the printed circuit board 3 to the lifting table 43 of the first loading unit 40 is completed, the printed circuit board 3 loaded by the operator as shown in FIG. 10, the first loading unit 40. ), The first adsorption unit 31 is positioned on the conveyor 21, and the second adsorption unit 31 'is raised and lowered at the lifting table 43 of the second loading unit 40'. The printed circuit board 3, which has been positioned on and adsorbed on 43, is loaded on the lifting table 43 of the second loading unit 40 '.

When the printed circuit boards 3 are pulled out from the lifting table 43 of the first loading unit 40, the controller 50 moves the lifting table 43 of the first loading unit 40 to the top. In addition, the printed circuit board 3 is mounted on the lifting table 43 of the second loading unit 40 'in the process of loading the printed circuit board 3 on the lifting table 43 of the first loading unit 40 in the above-described process. When the loading of 3) is completed, the worker pulls out the printed circuit board 3 of the second loading unit 40 'on which the printed circuit boards 3 are loaded. At this time, the second adsorption unit 31 'is positioned on the conveyor 21, and the first adsorption unit 31 is positioned on the lifting table 43 of the first loading unit 40 and adsorbed on the printed circuit board. (3) is desorbed and loaded on the lifting table 43 of the first loading unit 40.

Thereby, unloading of the printed circuit board 3 can be performed continuously, maintaining the progress of a process of supplying a board | substrate and a process. Therefore, the unloading efficiency and productivity of the printed circuit board 3 are improved.

As described above, the printed circuit board unloading apparatus according to the present invention alternately unloads the printed circuit board supplied from the substrate processing process to the substrate receiving unit in the first loading unit and the second loading unit, thereby supplying and processing the substrate. And unloading the printed circuit board continuously without stopping the unloading device. As a result, the unloading efficiency and productivity of the printed circuit board are significantly improved.

1 is a front cross-sectional view of a printed circuit board unloading apparatus according to the present invention;

2 is a plan sectional view of a printed circuit board unloading apparatus according to the present invention;

3 is a side cross-sectional view of the printed circuit board unloading device taken along line III-III of FIG. 2;

4 to 10 is a front cross-sectional view for explaining the operation of the circuit board unloading apparatus according to the present invention,

Figure 11 is a simplified process diagram of a conventional printed circuit board manufacturing process.

* Explanation of symbols for the main parts of the drawings

10: casing 11: receiving unit installation area

15: loading unit installation area 20: substrate receiving unit

21: conveyor 23: conveyor driving motor

30: adsorption mobile unit 31, 31 ': first and second adsorber

37: adsorber moving means 40, 40 ': first and second loading unit

43: lifting table 45: table lifting means

50: control unit

Claims

In a printed circuit board unloading device,

A casing having a receiving unit installation area into which a printed circuit board is introduced, and a loading unit installation area formed at both sides of the receiving unit installation area;

A substrate receiving unit having a conveyor for moving the printed circuit board into the receiving unit installation area, and a conveyor driving motor for driving the conveyor;

First and second loading units which are respectively provided in both of the loading unit installation areas, and have an elevating table installed in such a manner as to be capable of elevating in an up and down direction, and a table elevating means for elevating the elevating table;

It is installed to reciprocally move from the receiving unit installation area to each of the loading unit installation area, and alternately absorbs the printed circuit board moved into the receiving unit installation area to the lifting table of the first and second loading unit. First and second adsorbers alternately stacked;

Adsorber moving means for moving the first and second adsorber to the upper and lower lift tables of the first and second loading units, respectively;

When the printed circuit board adsorbed on any one of the first and second adsorber is loaded on the lifting table of the corresponding loading unit among the first and second loading units, the other adsorber controls to adsorb the printed circuit board of the conveyor. At the same time, the lifting table loaded with the printed circuit board includes a control unit for controlling the table lifting means to be lowered step by step.

The method of claim 1,

The adsorber movement means

A guide rail installed from an upper portion of the loading unit installation region on one side to an upper portion of the loading unit installation region on the other side to guide reciprocating movement of the first and second adsorbers;

An adsorber moving belt installed to reciprocate along the longitudinal direction of the guide rail and coupled to the adsorber;

Printed circuit board unloading apparatus comprising a moving belt drive motor for reciprocating the adsorber moving belt.

The method of claim 2,

The first and second adsorber respectively

A moving slider coupled to the guide rail so as to be reciprocated;

The suction slider is moved up and down with respect to the moving slider and connected to a compressor, a solenoid v / v, and an air hose, and is provided at a lower end of the suction tube to suction and suction stop the air supplied from the compressor. An adsorption base body having a plurality of adsorption plates for adsorbing and desorbing a printed circuit board;

Printed circuit board unloading apparatus having an adsorption lift cylinder for raising and lowering the suction main body with respect to the conveyor and the lifting table.

The method of claim 1,

The table lifting means

A rack vertically coupled to a lower portion of the elevating table,

A pinion for moving the rack in a vertical direction;

And a lift motor for rotating the pinion.