KR102021536B1 - Apparatus for part inspection for printed circuit board - Google Patents

Abstract

The present invention relates to a carrier tape having a plurality of printed circuit board components arranged at regular intervals along a length direction, and a recovery roll and a recovery roll for winding up and recovering a carrier tape formed by punching pocket portions after the components are mounted on the printed circuit board. Detection means for detecting the presence or absence of parts in the carrier tape which is formed and recovered in the carrier tape, wherein the detection means is formed to protrude along the circumferential direction on the outer circumferential side of the recovery roll so as to fit in the pocket part of the carrier tape, A printed circuit board including a plurality of detection protrusions that are formed or contacted or pressed by a component, and a detection sensor unit connected to the detection protrusions to detect the presence or absence of the detection protrusion on the component and detect the presence or absence of the component. Provide a parts inspection device for According to the above, by automatically detecting the mounting of the parts supplied through the carrier tape, it is possible to check and detect the missing parts of the printed circuit board on which the parts are mounted. Since the defects of the printed circuit board can be confirmed, the reliability of the manufactured printed circuit board can be improved.

Description

Apparatus for part inspection for printed circuit board}

The present invention relates to a component inspection apparatus for a printed circuit board, and more particularly, by automatically detecting whether a component is mounted through a carrier tape collected after the component is mounted, thereby confirming and detecting a missing part of a product and providing reliability. The present invention relates to a component inspection apparatus for a printed circuit board.

In general, a printed circuit board (PCB) refers to a board in which electrical components such as semiconductor pieces, resistors, or switches are soldered by making and attaching electronic circuits such as chips. Circuits used in most electronic products are The printed circuit board is installed, and various electrical components are mounted on the printed circuit board.

Such a method of mounting electrical components on a printed circuit board includes an insert component mounting method and a surface component mounting method. Among these, the insertion part mounting method is to insert a lead wire drawn from an electrical component into a hole in a circuit wiring formed in a board, and then mount it through soldering to provide electrical circuit characteristics. On the other hand, the surface component mounting method is a method in which the electrical components are fixed to the board on which the circuit wiring is formed with an adhesive, and the lead wires drawn from the electrical components are soldered with the circuit wiring of the board to impart electrical circuit characteristics.

On the other hand, in the method of transporting and supplying the relatively small size by the method of transporting the above-mentioned parts, the components are inserted into the pocket of the carrier tape to prevent the parts from being lost or damaged during transporting or installation work, and the mounting machine The method of conveying and feeding to a predetermined position of has been used.

However, in the conventional apparatus using an apparatus for automatically supplying parts by using the carrier tape, there is a case in which a part is not mounted on a product such as a printed circuit board. There was a problem in that the reliability of the product is lowered while the product defect occurs.

Republic of Korea Patent Publication No. 1997-0002349

The present invention has been made to solve the conventional problems as described above, the present invention is able to automatically detect whether the parts supplied through the carrier tape is mounted on the printed circuit board, missing parts of the printed circuit board An object of the present invention is to provide a component inspection device for a printed circuit board which can confirm whether the product can be improved and thereby improve the reliability of the product.

According to a feature of the present invention for achieving the object as described above, the present invention is a carrier tape, a plurality of components for a printed circuit board are arranged at regular intervals along the length direction, pockets after the components are mounted on the printed circuit board And a recovery roll for winding up and recovering the carrier tape formed by punching parts, and detection means for detecting the presence or absence of the component in the carrier tape formed and recovered on the recovery roll. It is formed to protrude along the circumferential direction on the outer circumferential side of the recovery roll to be fitted to the pocket portion, a plurality of detection projections fitted into the pocket portion or contacted or pressed by the component, connected to the detection projections The presence or absence of the component is detected by detecting that the detection protrusion is in contact with or pressed against the component. It can provide part inspection device for a printed circuit board including the sensor detecting portion to make.

Here, the detection protrusion is inserted into the plurality of insertion holes formed along the circumferential direction of the recovery roll so as to be slidably movable along the radial direction of the recovery roll, and the detection sensor unit is moved by the sliding movement of the detection protrusion. The presence or absence of the said component can be detected.

Further, the detection protrusion is inserted into the insertion hole so as to be slidable through the sliding movement means, and the sliding movement means is installed inside the recovery roll so that the detection protrusion is elastic along the radial direction of the recovery roll. And an elastic member for supporting and moving the detection protrusion by compression or restoration.

According to the second aspect of the present invention, the present invention provides a carrier tape in which a plurality of components for a printed circuit board are arranged at regular intervals along a longitudinal direction, and the carrier formed by punching pocket portions after the components are mounted on a printed circuit board. A recovery roll for winding and recovering the tape; a cylindrical roll that is axially rotated by a drive unit in a cylindrical shape and whose outer peripheral side is in contact with an outer surface of the carrier tape wound on the recovery roll; And detecting means for detecting the presence or absence of the component on a tape, wherein the detecting means is formed to protrude along the circumferential direction on the outer circumferential side surface of the inspection roll so as to fit into the pocket part of the carrier tape. A plurality of detection protrusions, which are touched or pressed by the component, and connected to the detection protrusions Control and provides the detected projection is part inspection device for a printed circuit board including the sensor detecting portion that enables to detect that which is contacted or pressed part to be detected and the presence or absence of the component.

Here, the detection projection is inserted into the plurality of insertion holes formed along the circumferential direction of the inspection roll so as to be slidably movable along the radial direction of the inspection roll, and the detection sensor unit is moved by the sliding movement of the detection protrusion. The presence or absence of the said component can be detected.

Further, the detection projection is inserted into the insertion hole so as to be slidable through the sliding movement means, wherein the sliding movement means is installed inside the inspection roll to elastically detect the detection protrusion along the radial direction of the recovery roll. And a resilient member that supports and moves the detection protrusion by compression or restoration.

Preferably, the driving unit is configured to axially rotate by adjusting the circumferential speed of the inspection roll in response to a change in the circumferential speed of the recovery roll due to a radius gradually increasing by the carrier tape wound on the recovery roll.

According to the third aspect of the present invention, the present invention provides a carrier tape in which a plurality of components for a printed circuit board are arranged at regular intervals along a longitudinal direction, and the carrier formed by punching pocket portions after the components are mounted on a printed circuit board. A recovery unit for recovering and transporting the tape, a transport belt positioned on one side or the other side of the carrier tape conveyed by the recovery unit, and facing the side surface of the carrier tape to which an outer surface is transported, and moving the transport belt. A conveying part including a plurality of conveying rollers and detecting means for detecting the presence or absence of the part in the carrier tape formed and conveyed on the conveying belt, wherein the detecting means is fitted to the pocket part of the conveying tape. It is formed to protrude along the outer surface of the conveyance belt, and inserted into the pocket portion Or a plurality of detection protrusions contacted or pressed by the component and the detection protrusion connected to the detection protrusions to detect whether the detection protrusion is in contact with or pressed by the component to detect the presence or absence of the component. It provides a component inspection device for a printed circuit board comprising.

Here, the detection protrusion is connected to the transfer belt so as to be slidable, and the detection sensor unit may detect the presence or absence of the component by the sliding movement of the detection protrusion.

Furthermore, the detection protrusion is connected to the transfer belt so as to be slidable with respect to the transfer belt, and the sliding movement means is installed on the inner side of the transfer belt or the side of the transfer belt to transfer the detection protrusion to the transfer belt. It may include an elastic member for elastically supporting the direction perpendicular to the side of the belt to move the detection projections by compression or restoration.

The detection sensor unit may include a displacement measuring sensor connected to the detection protrusion to detect a sliding movement of the detection protrusion. Alternatively, the detection sensor unit may include a touch sensor provided at an end of the detection protrusion to detect the contacted part.

According to a fourth aspect of the present invention, the present invention provides a substrate transfer unit for transferring a printed circuit board, a plurality of printed circuit board components mounted on the printed circuit board transfer carrier tapes arranged in a predetermined interval along the longitudinal direction A component supply unit for supplying, a mounting unit unit for mounting the component supplied from the component supply unit on the printed circuit board, and winding up and collecting the carrier tape formed by punching pockets after the component is mounted on the printed circuit board A detection roll for detecting the presence or absence of the component in the carrier tape formed on the recovery roll and collected in the recovery roll, and determining whether the component is mounted on the printed circuit board in response to the presence / absence information received from the detection means. And controlling the substrate transfer unit to control the printed circuit board on which the component is not mounted. It provides a test system comprising a control unit for transfer to the stars.

Here, the substrate transfer unit may include a sorting transfer unit for picking up and transferring the printed circuit board on which the component is not mounted according to a signal from the controller.

In the inspection device for a printed circuit board according to the present invention as described above, the following effects can be expected.

First, by automatically detecting the mounting of the parts supplied through the carrier tape, it is possible to check and detect the missing parts of the printed circuit board on which the parts are mounted.

Second, it is possible to improve the reliability of the manufactured printed circuit board because it is possible to check for missing parts in the manufacturing process and to determine whether the printed circuit board is defective.

Third, the structure is simple and easy to install and economical.

1 is a block diagram showing the configuration of a component inspection apparatus for a printed circuit board according to a first embodiment of the present invention.
FIG. 2 is a perspective view showing detection means formed on the recovery roll of FIG. 1. FIG.
3A and 3B are partial sectional views showing the operation of the detection means of FIG.
4 is a block diagram illustrating a control flow of a control unit in the component inspection apparatus for a printed circuit board of FIG. 1.
5 is a front view showing the configuration of a component inspection apparatus for a printed circuit board according to a second embodiment of the present invention.
FIG. 6 is a block diagram illustrating a control flow of a controller in the apparatus for inspecting a component for a printed circuit board of FIG. 5.
7 is a front view showing the configuration of a component inspection apparatus for a printed circuit board according to a third embodiment of the present invention.
FIG. 8 is a block diagram illustrating a control flow of a controller in the apparatus for inspecting a component for a printed circuit board of FIG. 7.

Hereinafter, a component inspection apparatus for a printed circuit board according to a specific embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a block diagram showing the configuration of a component inspection apparatus for a printed circuit board according to a first embodiment of the present invention, Figure 2 is a perspective view showing the detection means formed on the recovery roll of Figure 1, Figures 3a and 3b Figure 2 is a partial cross-sectional view showing the operation of the detection means of Figure 2, Figure 4 is a block diagram showing the control flow of the control unit in the component inspection apparatus for a printed circuit board of Figure 1, Figure 5 is a printing according to a second embodiment of the present invention 6 is a block diagram illustrating a control flow of a control unit in the component inspection apparatus for a printed circuit board of FIG. 5, and FIG. 7 is a printing diagram according to a third embodiment of the present invention. 8 is a front view showing the configuration of a circuit board component inspection apparatus, and FIG. 8 is a block diagram showing a control flow of a control unit in the printed circuit board component inspection apparatus of FIG. 7.

First, referring to FIG. 1, the component inspection apparatus for a printed circuit board according to the first embodiment of the present invention includes a carrier tape 100, a recovery roll 200a, and a detection means 300a.

The carrier tape 100 is formed of a substrate 110 of a flexible material such as paper or resin so as to be wound, and is arranged in a line at a predetermined interval along the longitudinal direction on the substrate 110 for a printed circuit board. Pocket portions 120 into which the component 20 is inserted are coupled.

Here, the pocket part 120 is a part in which the part 20 is positioned, and is formed to be penetrated so that the part 20 is inserted, or one side of the part 20 is attached and coupled to apply various structures. Of course, this pocket portion 120 is punched through the mounting device 30 for mounting the component 20 on the printed circuit board 10.

The carrier tape 100 is conveyed and supplied to the mounting apparatus 30 through a conveyance supply means 700. The transfer supply means 700 is a transfer motor 710 (see Fig. 8), and a plurality of gears for axial rotation and connected to the carrier tape 100 on the outer circumferential surface is connected to the transfer motor 710 is formed A sprocket-type recovery roll 720 for directly transporting the carrier tape 100, and a position sensor for positioning the component 20 on the carrier tape 100 to a set mounting position of the mounting apparatus 30. Can be.

On the other hand, the mounting device 30 is a device for mounting the component 20 on the printed circuit board 10 by mounting the component 20 of the carrier tape 100 on the printed circuit board 10 and A well-known component mounting apparatus capable of performing a series of soldering processes may be applied, and a detailed description thereof will be omitted.

Referring to FIG. 2, the carrier tape 100 has a plurality of conveying holes 130 formed in a line along a longitudinal direction such that the gears of the recovery roll 720 are fitted, and the conveying holes 130 are formed of the carrier tape ( It may be formed along one end of 100) or both ends as shown. On the other hand, in the above described as an embodiment that includes a recovery roll 720 made of a sprocket as a feed supply means 700 for conveying and supplying the carrier tape 100, which is the carrier wound in one embodiment If the tape 100 can be conveyed and supplied, a well-known tape feed supply means such as a feed roller may be applied.

The recovery roll 200a is located at the rear of the mounting apparatus 30 to mount the component 20 on the printed circuit board 10, and then the carrier tape 100 formed by punching the pockets 120. It serves to collect. In detail, the recovery roll 200a is axially rotated by a recovery roll motor 210a (see FIG. 4) in a roller shape, and wound around the carrier tape 100 on an outer circumferential surface thereof.

3 and 4, the detection means 300a serves to detect the presence or absence of the component 20 in the carrier tape 100 to be recovered, and the carrier tape having a pocket 120 formed therein ( It is formed in the collection roll 200a which collect | recovers 100.

The detection means 300a includes detection protrusions 310a and detection sensor unit 320a. The detection protrusions 310a are formed to protrude along the circumferential direction on the outer circumferential side of the recovery roll 200a in correspondence to the separation interval of the pocket part 120, and the carrier tape 100 on the recovery roll 200a. ) Is wound into the pocket portion 120 is inserted.

On the other hand, the detection protrusion 310a is inserted into the pocket 120 when the pocket 120 is drilled as described above, but is inserted into the pocket 120, but the component 20 is not mounted on the pocket 120 When there is a component 20, it is pressed by the component 20.

That is, the detection protrusion 310a is inserted or pressed into the pocket 120 by whether the part 20 of the carrier tape 100 is recovered, and the component inspection device for the printed circuit board is inserted or pressed in this way. It is possible to detect whether the component 20 is mounted on the carrier tape 100 recovered through the loss.

The detection sensor unit 320a is connected to the detection protrusions 310a to detect whether the detection protrusion 310a is in contact with or pressed by the part 20 so as to detect the presence or absence of the part 20. do.

Thus, the configuration in which the detection protrusions 310a are pressed and the detection sensor unit 320a which detects the detection protrusions 310a when pressed are described in detail. The detection protrusion 310a is slidably coupled in a radial direction with respect to the recovery roll 200a, and the detection sensor part 320a detects the sliding movement of the detection protrusion 310a to provide a component 20. ) Can be detected.

To this end, the detection protrusion 310a is slidably inserted into the plurality of insertion holes 201a formed along the circumferential direction of the recovery roll 200a to slide along the radial direction of the recovery roll 200a. I can move it. The detection protrusion 310a is inserted into the insertion hole 201a to be slidably reciprocated through the sliding movement means 311a, and the sliding movement means 311a is installed inside the recovery roll 200a. It may include an elastic member for elastically supporting the detection protrusion 310a along the radial direction of the recovery roll 200a to reciprocally move the detection protrusion 310a by compression or restoration. Here, the elastic member can be applied to a known elastic spring, but can be applied to a variety of other configurations if the above object can be achieved.

The detection sensor unit 320a may include a displacement measuring sensor connected to the detection protrusion 310a to detect the sliding movement of the detection protrusion 310a to detect the sliding movement of the detection protrusion 310a. Can be. The displacement measuring sensor detects when the detection protrusion 310a is pressed and moves toward the center of the recovery roll 200a, and transmits a signal to the control unit 600, and the control unit 600 receives the signal of the displacement measuring sensor. By this, it is possible to determine whether the component 20 is mounted.

On the other hand, the detection sensor unit 320a may be installed at the end of the detection protrusion 310a in addition to the displacement measuring sensor, and may include a touch sensor for detecting the part 20 when it is in contact with the detection protrusion 310a. have. In this case, the touch sensor does not detect when the detection protrusion 310a is inserted into the punched pocket part 120, but when the part 20 is present in the pocket part 120, the detection protrusion 310a is located in the pocket part 120. In contact with the component 20, the touch sensor detects this and transmits a signal to the controller 600.

Here, the control unit 600 receives a detection signal for the presence or absence of the component 20 of the carrier tape 100 from the detection sensor unit 320a, and selects a transfer unit (not shown) which will be described later based on the detection signal. It can be controlled, and drive control of the power configuration including the recovery roll motor (210a).

On the other hand, in the above described the case where the detection protrusion 310a is configured to slide relative to the recovery roll 200a as an embodiment, this is an embodiment for smoothing the winding of the carrier tape 100, the detection When the sensor unit 320a is the touch sensor, the detection protrusion 310a does not need to be inserted to be slidably movable with respect to the recovery roll 200a.

5 is a view showing the configuration of a component inspection apparatus for a printed circuit board according to a second embodiment of the present invention. Referring to the drawings, the component inspection apparatus for a printed circuit board includes a carrier tape 100, a recovery roll 200b, an inspection roll 400, and a detection means 300b. Here, since the configuration of the carrier tape 100 is the same as the configuration described above, a detailed description thereof will be omitted, and only the configuration that is roughly the same will be described below.

The recovery roll 200b is located at the rear of the mounting apparatus 30 to mount the component 20 on the printed circuit board 10, and then the carrier tape 100 formed by punching the pockets 120. It serves to recover, and is axially rotated by a recovery roll motor 210b (see FIG. 6) in a roller shape, and wound around the carrier tape 100 on an outer circumferential surface thereof.

The inspection roll 400 is axially rotated to engage the recovery roll 200b by the inspection roll motor 410 in a cylindrical shape, and an outer circumferential side of the carrier roll 100 wound around the recovery roll 200b. Face to side contact.

The detection means 300b serves to detect the presence or absence of the component 20 in the carrier tape 100 formed and collected on the inspection roll 400, and the detection protrusions 310b and the detection sensor unit. 320b. Here, the detection protrusions 310b are formed to protrude along the circumferential direction on the outer circumferential side surface of the inspection roll 400 so as to be fitted into the pocket portion 120 of the carrier tape 100 in a plurality, so that the pocket portion ( 120 is pressed or contacted or pressed by the component 20.

In addition, the detection sensor unit 320b is connected to the detection protrusions 310b to detect whether the detection protrusion 310b is in contact with or pressed by the part 20 to detect the presence or absence of the part 20. To help. Here, the detection protrusions 310b and the detection sensor unit 320b installed on the inspection roll 400 are the detection protrusions 310a and the detection sensor unit 320a installed on the recovery roll 200a. Compared with the configuration, except that the installation object is the recovery roll (200a) the configuration is substantially the same, so a detailed description thereof will be omitted.

On the other hand, the recovery roll (200b) as the carrier tape 100 is wound around the outer circumferential surface is increased as the carrier tape 100 increases, the circumferential speed is changed, this is engaged with the recovery roll (200b) to rotate It is preferable to adjust the circumferential speed of the inspection roll 400 correspondingly. This is because the circumferential speed of the recovery roll 200b is changed but the circumferential speed of the inspection roll 400 does not change, and the inspection roll 400 is smoothly driven, and the detection protrusion 310b has the pocket portion 120. This is to ensure that the is accurately inserted corresponding to the formed position.

That is, the inspection roll motor 410 is preferably rotated by adjusting the circumferential speed of the inspection roll 400 in response to the change in the circumferential speed of the recovery roll 200b on which the carrier tape 100 is wound. In order to adjust the circumferential speed of the inspection roll 400, the rotational speed of the recovery roll 200b and the thickness of the carrier tape 100 may be calculated or taken into consideration, or the circumferential speed of the recovery roll 200b may be measured. It can be adjusted through speed measurement means.

On the other hand, a series of control including the drive control of the inspection roll motor 410 can be collectively controlled through the control unit 600, as shown in Figure 6, the control unit 600 is the detection sensor unit 320b Receiving a signal for the presence or absence of parts from the control roll motor 410 and the recovery roll motor 210b can be controlled.

7 is a view showing the configuration of a component inspection apparatus for a printed circuit board according to a third embodiment of the present invention. Referring to the drawings, the component inspection apparatus for a printed circuit board includes the aforementioned carrier tape 100, a recovery unit, a transfer unit 500, and a detection unit 300c.

The recovery unit collects and transports the carrier tape 100 formed by punching the pockets 120 after the component 20 is mounted on the printed circuit board 10, and the recovery roll 720. , Recovery roller motor 210c for axially rotating the recovery roll 720.

The transfer unit 500 is located on one side or the other side of the carrier tape 100 to be transferred by the recovery unit to transfer the carrier tape 100. The transfer part 500 includes a transfer belt 510 which is in contact with the side surface of the carrier tape 100 to which the side is transferred, and a plurality of transfer rollers 520 which rotate the transfer belt 510 indefinitely. The transfer part 500 may form the transfer belt 510 in an annular shape, and the transfer rollers 520 may be configured to be inserted into the annular transfer belt 510, but are not limited thereto. In addition, in the drawing, the transfer part 500 is located below the recovery roll 720, but this may also be located at various positions in one embodiment.

The detecting means 300c serves to detect the presence or absence of the component 20 in the carrier tape 100 to be conveyed, and is formed to protrude along the outer surface of the conveyance belt 510 and is conveyed to the carrier tape. The detection protrusion 310c connected to the plurality of detection protrusions 310c inserted into the pocket part 120 of the 100 or contacted or pressed by the component 20, and the detection protrusions 310c. It includes a detection sensor unit 320c for detecting the presence or absence of the component 20 by detecting that the contact with the component 20 is pressed.

Here, the detection protrusion 310c is slidably connected with respect to the transfer belt 510 through the sliding movement means 311a, and the detection sensor part 320c is sliding of the detection protrusion 310c. By movement, the presence or absence of the said component 20 can be detected. In this case, the sliding movement means (311a), the inner side of the conveying belt 510 or the side of the conveying belt 510 is installed in the direction perpendicular to the detection projection (310c) from the side of the conveying belt 510 The elastic member may include an elastic member that moves the detection protrusion 310c by compression or restoration by elastic support.

FIG. 8 is a block diagram showing a control flow of the controller 600 of the component inspection apparatus for a printed circuit board according to the third embodiment. Referring to the drawings, the controller 600 is provided from the detection sensor unit 320c. Receives a signal for the presence or absence of parts, and controls the drive motor 710, the feed roller motor 520 and the recovery roll motor 210a.

Hereinafter, an inspection system (hereinafter referred to as an inspection system) using the above-described printed circuit board component inspection apparatus will be described, and in the case of applying the printed circuit board component inspection apparatus according to the first embodiment of FIG. Let's take a look at an example. The inspection system includes a substrate transfer unit, a component supply unit, a mounting apparatus 30, a recovery roll 200a, a detection unit 300a, and a control unit 600.

The substrate transfer part serves to transfer the printed circuit board 10, and transfers and supplies the printed circuit board 10 to the mounting apparatus 30, and the component 20 is moved by the mounting apparatus 30. Transfer and discharge the mounted printed circuit board 10. The substrate transfer unit may be applied to a variety of transfer supply configuration, such as using a known conveyor configuration.

On the other hand, the substrate transfer unit includes a sorting transfer unit for picking up and transporting the printed circuit board 10 on which the component 20 is not mounted by the signal of the control unit 600. The sorting transfer part selectively picks up the printed circuit board 10 to be sorted by the signal of the controller 600 and separates them from the printed circuit boards 10 which are transported and discharged. Here, the pick-up transfer unit may be applied with various well-known pick-up devices such as a vacuum suction device or a pickup tray unit for vacuum-selecting the selected printed circuit board 10.

The parts supply part serves to supply and feed the carrier tape 100 in which a plurality of parts for a printed circuit board 20 mounted on the printed circuit board 10 are arranged at regular intervals along the length direction, and a feed roller and the like. Known configuration, including a can be applied. The mounting apparatus 30 serves to mount the component 20 supplied from the component supply unit on the printed circuit board 10.

The recovery roll 200a serves to wind up and recover the carrier tape 100 formed by punching pockets 120 after the component 20 is mounted on the printed circuit board 10.

The detection means 300a serves to detect the presence or absence of the component 20 in the carrier tape 100 formed and collected on the recovery roll 200a. Here, since the recovery roll 200a and the detection means 300a have the same configuration as the recovery roll 200a and the detection means 300a of FIG. 1, detailed description thereof will be omitted. In addition, the inspection system may be applied to the above-described inspection roll 400 and the transfer unit 500 in addition to the case where the detection means (300a) is installed on the recovery roll (200a).

The controller 600 is connected to the detection means 300a to receive a signal for mounting of the component 20, and in response to the presence or absence information of the component 20 received from the detection means 300a. It is determined whether the component 20 of the printed circuit board 10 is mounted. Then, the control unit 600 determines the position of the corresponding component missing printed circuit board 10 in the printed circuit board 10 to be transported and discharged, and then controls the sorting transfer unit so that the component 20 is not mounted. The component 20 may be selected and transported to the missing printed circuit board 10.

Accordingly, unlike the conventional method of visually inspecting whether or not components are mounted, defect boards can be automatically sorted before packaging, thereby preventing occurrence of defects, and defective boards in which parts are not mounted are also unmounted. Since the bay can be remounted and used, it is possible to prevent waste of resources due to defects.

In addition, since the component inspection apparatus according to the present invention is configured for each mounting tape by carrier tape, the controller can determine the type of the unmounted component, and the controller can inform the supervisor of the occurrence of the defect board and the type of the unmounted component. In this case, there is an effect of facilitating the repair process of the defective substrate.

The rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and those skilled in the art can make various modifications and adaptations within the scope of the claims. It is self-evident.

The present invention relates to a carrier tape having a plurality of printed circuit board components arranged at regular intervals along a length direction, and a recovery roll and a recovery roll for winding up and recovering a carrier tape formed by punching pocket portions after the components are mounted on the printed circuit board. And a detecting means for detecting the presence or absence of a component in the carrier tape formed and recovered in the present invention. According to the present invention, a printed circuit board on which a component is mounted is automatically detected by mounting whether or not the component supplied through the carrier tape is mounted. It is possible to check and detect whether the parts are missing, and thus it is possible to check the missing parts in the manufacturing process through this it is possible to improve the reliability of the printed circuit board manufactured because it is possible to check whether the printed circuit board.

10 ... printed circuit board 20 ... components
30 ... mounter 100 ... carrier tape
110 ... 120 ... Pocket
130 ... Feed hole 200a, 200b, 200c ... Recovery roll
201a ... Insertion hole 210a, 210b ... Recovery roll motor
300a, 300b, 300c ... Detection means 310a, 310b, 310c ... Detection protrusion
311a ... Sliding means 320a, 320b, 320c ... Detection sensor
400 ... inspection roll 410 ... inspection roll motor
500 ... Transfer section 510 ... Transfer belt
520 ... Feed roller 530 ... Feed roller motor
600 ... control unit 700 ... feeder
710 ... feed motor 720 ... sprocket

Claims (11)

A carrier tape having a plurality of components for a printed circuit board arranged at regular intervals along a length direction;
A recovery roll for winding and collecting the carrier tape formed by punching pockets after the component is mounted on a printed circuit board; And
Detecting means for detecting the presence or absence of the part in the carrier tape is formed on the recovery roll is recovered,
The detecting means
A plurality of detection protrusions protruding in the circumferential direction on the outer circumferential side of the recovery roll so as to fit in the pocket part of the carrier tape, the plurality of detection protrusions being fitted into the pocket part or contacted or pressed by the part;
And a detection sensor unit connected to the detection protrusions to detect whether the detection protrusion is in contact with or pressed by the component and detect the presence or absence of the component.
The detection protrusion is inserted into the plurality of insertion holes formed along the circumferential direction of the recovery roll to be slidably movable along the radial direction of the recovery roll,
The detection sensor unit is a component inspection device for a printed circuit board that can detect the presence or absence of the component by detecting the sliding movement of the detection projection.
delete The method according to claim 1,
The detection protrusion is inserted into the insertion hole so as to be slidable through the sliding movement means,
The sliding movement means is a printed circuit board component including an elastic member installed inside the recovery roll to elastically support the detection protrusion along the radial direction of the recovery roll to move the detection protrusion by compression or restoration. Inspection device.
The method according to claim 3,
The detection sensor unit,
And a displacement measuring sensor connected to the detection protrusion to detect a sliding movement of the detection protrusion.
The method according to claim 3,
The detection sensor unit,
The component inspection device for a printed circuit board comprising a touch sensor for detecting the component is installed in contact with the end of the detection projection.
A carrier tape having a plurality of components for a printed circuit board arranged at regular intervals along a length direction;
A recovery roll for winding and collecting the carrier tape formed by punching pockets after the component is mounted on a printed circuit board;
An inspection roll which is axially rotated in engagement with the recovery roll in a cylindrical shape, and whose outer peripheral side faces the outer surface of the carrier tape wound on the recovery roll; And
Detecting means for detecting the presence or absence of the part in the carrier tape is formed and collected in the inspection roll,
The detecting means
A plurality of detection protrusions protruding in the circumferential direction on the outer circumferential side of the inspection roll so as to fit in the pocket portion of the carrier tape, the detection protrusions being inserted into the pocket portion or contacted or pressed by the component;
And a detection sensor unit connected to the detection protrusions to detect whether the detection protrusion is in contact with or pressed by the component and detect the presence or absence of the component.
The detection protrusion is inserted into the plurality of insertion holes formed along the circumferential direction of the inspection roll so as to be slidably movable along the radial direction of the inspection roll,
The detection sensor unit is a component inspection device for a printed circuit board that can detect the presence or absence of the component by the sliding movement of the detection projection.
delete The method according to claim 6,
The detection protrusion is inserted into the insertion hole so as to be slidable through the sliding movement means,
The sliding movement means is a printed circuit board component including an elastic member installed inside the inspection roll to elastically support the detection protrusion along the radial direction of the recovery roll to move the detection protrusion by compression or restoration. Inspection device.
The method according to claim 6,
The detection sensor unit,
And a displacement measuring sensor connected to the detection protrusion to detect a sliding movement of the detection protrusion.
The method according to claim 6,
The detection sensor unit,
Printed circuit board component inspection device including a touch sensor for sensing the parts that are provided in contact with the end of the detection projection.
The method according to claim 6,
The inspection roll is rotated by the inspection roll motor,
The inspection roll motor is for a printed circuit board for axial rotation by adjusting the circumferential speed of the inspection roll in response to a change in the circumferential speed of the recovery roll due to a gradually increasing radius by the carrier tape wound on the recovery roll. Component inspection device.

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