KR20100039022A - Bonding apparatus - Google Patents

Abstract

PURPOSE: An apparatus for automatically bonding a camera module housing and an FPCB is provided to shorten a bonding operation time by automating each process successively using a temporary press bonding and a main press bonding. CONSTITUTION: An FPCB(Flexible Printed Circuit Board) feeding part supplies an FPCB tray and a housing tray to an FPCB guide rail and a housing guide rail. An ACF(Anisotropic Conductive Film) part(30) attaches an ACF to a housing pattern of a housing which is supplied along the housing guide rail. A temporary pressing part(50) arranges an FPCB pattern part with a camera in a housing pattern part and pressurizes the FPCB pattern part. A heater(90) keeps a hardening temperature of the FPCB pattern part and the housing pattern part. A main pressing part(70) pressurizes three pairs of housing pattern parts and FPCB pattern parts.

Description

Automatic bonding device of camera module housing and FPCB {Bonding apparatus}

The present invention relates to an apparatus for automatically bonding a flexible printed circuit board (FPCB), which is used as an information transmission medium, in a housing, which is a camera module element component.

In general, the market size of camera phones, which consist of image sensor modules, IR cutoff filters, flexible PCBs, connectors, etc., is constantly growing, requiring high-pixel products, and shortening the life cycle. Due to the rapid change and diversification of products, production of short-term products is required, but development of flexible PCB bonding equipment is still insufficient. For reference, according to the patent trend data of flexible PCB precision bonding equipment technology, Korea is focused on the technology of flexible PCB bonding process, and the original patent for flexible PCB bonding equipment technology is very weak.

In fact, the conventional FPCB bonding method has the following problems.

First, as the ACF work process and FPC bonding work process are composed of separate facilities, the utilization of the space is reduced as the facilities occupy a large area, and the work type also requires a worker for each facility in a semi-automatic manner.

Second, each process such as loading, unloading, and ACF attachment was performed semi-automatically or almost manually, which lowered the work efficiency and required a lot of time to make the bonding products.

Third, economical (cost) factors caused by the use of the camera for the recognition of the housing and the FPC Align mark separately, or the method of recognizing each pattern sequentially with one camera, takes a long time to decrease productivity. It became.

Fourth, it took a long time to set up the facility again even if it was impossible or possible to respond to changes in the product.

The present invention has been made to solve the above problems, the object of the present invention is the automatic loading of the housing of the small camera module element components, ACF attached to the housing, FPC automatic loading, housing and FPC Align (primary), primary Providing an apparatus for automatically bonding the camera module housing and the FPCB according to the present invention suitable for the camera module of the more efficient and compact unit equipment by continually bonding, heating (maintaining curing conditions), secondary bonding, and product unloading processes. There is.

An object of the present invention as described above is a loading unit for supplying the FPC tray and the housing tray, respectively accommodating the FPC and the housing to the FPC guide guide rail and the housing guide guide rail in the X direction; An FPC feeding unit for feeding the FPC tray supplied to the FPC guide guide rail in a predetermined pitch unit; A housing feeding part including a first feeding part and a second feeding part for feeding the housing tray supplied to the housing guide guide rail in a predetermined pitch unit; An ACF unit attaching the ACF to the housing pattern portion of the housing of the housing tray supplied by the primary feeding unit along the housing guide guide rail; When the housing of the housing tray via the ACF unit is located, the FPC is picked up and transferred to the upper end of the housing, the FPC pattern portion of the transferred FPC with the camera of the camera unit of the housing pattern portion of the housing including a pressing device for pressing Pressing unit and; A heating part which maintains the curing temperature of the housing pattern part and the FPC pattern part when the housing tray pressurized by the press fitting device and the FPC pattern part are supplied in pitch units through the secondary feeding part; A main compression portion having three heads which simultaneously compress three pairs of the pressurized housing pattern portion and the FPC pattern portion when the housing tray via the heating portion is supplied by the secondary feeding portion; A housing unloading unit configured to sequentially raise and lower the housing tray via the main crimping unit by a predetermined pitch value and sequentially load the housing tray; The FPC is picked up to move the empty FPC tray by a predetermined pitch value, and then lifted into the cylinder and includes an FPC unloading unit sequentially loaded,

The main compression unit aligns the three-head to match the gap between the pressurized housing pattern portion and the FPC pattern portions of the housing tray supplied by the secondary feeding portion, so that the three heads are squeezed together. It is achieved by an apparatus for automatically bonding the camera module housing and the FPCB, characterized in that it comprises an alignment portion for aligning the X axis and the Y axis of each head.

According to the apparatus for automatically bonding the camera module housing and the FPCB according to the present invention, it is possible to achieve a high-speed production by shortening the bonding work time by continuously automating each process, and insert the housing and FPC into the tray (loading) And transfer, so as a countermeasure to change the model according to the rapidly changing demands of the camera phone market, changing the shape of the tray can be applied to the equipment as it is, and in the configuration for pattern recognition alignment correction By applying a camera system that can simultaneously recognize the alignment mark of the FPC, the alignment time and the tact time can be reduced.

In addition, by adopting a structure that can move in the X, Y, Z, θ axis direction by applying a high rigidity and high-precision KR unit to the pressing device, fine control of the thickness change of the FPC is possible, and pattern recognition alignment ( Align It is easier to align the FPC to the housing in the calibration interval.

In addition, by adopting a structure that can move the end tooltip of the main compression device in the X, Y direction, there is an effect that can be responded to the change in the housing or FPC when the main compression to the three-head.

Hereinafter, with reference to the accompanying drawings showing a preferred embodiment of the present invention will be described in detail.

According to the present invention, the FPC tray 47 and the housing tray 13 accommodating the FPC 202 and the housing 201 are respectively supplied to the FPC guide guide rail 43 and the housing guide guide rail 23 in the X direction. FPC feeding unit 44 for feeding the loading unit, the FPC tray 47 supplied to the FPC guide guide rail 43 by a predetermined pitch unit, and a housing tray supplied to the housing guide guide rail 23. A housing feeding unit 20 including a primary feeding unit 21 and a secondary feeding unit 22 for feeding 13 to a predetermined pitch unit, and a primary feeding unit along the housing guide guide rail 23. An ACF unit 30 for attaching an anisotropic conductive film (ACF) to the housing pattern portion 201a of the housing 201 of the housing tray 13 supplied by the 21; When the housing 201 of the housing tray 13 via the 30 is positioned, the FPC 202 is picked up and transferred to the upper end of the housing 201, and the Pressing portion 50 including a pressing device 51 for aligning and pressing the FPC pattern portion 202a to the housing pattern portion 201a of the housing 201 together with the camera 61 of the camera portion 60; When the housing tray 13, in which the housing pattern portion 201a and the FPC pattern portion 202a are pressed by the pressing device 51, is supplied in pitch units through the secondary feeding portion 22, the housing pattern portion ( When the heating part 90 which maintains the hardening temperature of 201a and the FPC pattern part 202a, and the housing tray 13 via the heating part 90 are supplied by the secondary feeding part 22, Main compression unit 70 having a three-head 71 for simultaneously pressing the pressurized housing pattern portion 201a and the FPC pattern portion 202a and the housing tray 13 via the main compression portion 70. ) And the housing unloading unit 80 for raising and lowering the upper and lower directions by a predetermined pitch in order, and sequentially loading the FPC tray 47 by moving the empty FPC tray 47 by a predetermined pitch. And an FPC unloading part 45 which is sequentially loaded up and down, wherein the main crimping part 70 is pressurized housing pattern part 201a of the housing tray 13 supplied by the secondary feeding part 22. ) And each of the three heads 71 to align the three heads 71 to the distance between the FPC pattern parts 202a so as to squeeze the three pairs of housing pattern parts 201a and the FPC pattern parts 202a. And an alignment portion for aligning the X axis and the Y axis of the head 71a.

Here, as shown in FIG. 10, the FPC tray 47 has a plurality of FPC seating portions 47a, which are grooves having the same shape as the appearance of the FPC 202, arranged on the upper portion thereof, so that the FPC trays 47 are arranged on the FPC seating portions 47a. 202 is seated and one direction of the upper portion is configured by arranging a plurality of FPC tray holes 47b, and the housing tray 13 is a housing seat which is a groove having the same shape as that of the housing 201 as shown in FIG. A plurality of parts 13a are arranged on the upper part to seat the housing 201 in each housing seating part 13a, and one direction of the upper part is configured by arranging a plurality of housing tray holes 13b.

Meanwhile, the loading unit loads the FPC tray 47 as shown in FIGS. 1,2 and 5, and lifts the FPC magazine 42 up or down by a predetermined pitch value, and the FPC magazine 42 FPC loading comprising an FPC cylinder push device 41 for sequentially loading the FPC tray 47 in the X direction to the FPC guide guide rail 43 provided in the vicinity of the FPC magazine 42 according to the order of loading. And a housing magazine 12 for loading the housing tray 13 and lifting the housing tray 13 upward or downward by a predetermined pitch value, and the housing tray 13 of the housing magazine 12 sequentially. It consists of a housing loading part 10 which consists of the cylinder push device 11 for housings which loads to the housing guide guide rail 23 provided in the vicinity of the housing magazine 12 in an X direction.

Further, in the present invention, the FPC feeding part 44 and the housing feeding part 10 are the FPC tray hole 47b arranged in the FPC tray 47 and the housing tray hole 13b arranged in the housing tray 13. In the fixed state by the cylinder Up / Down pin method, it is desirable to transfer in a predetermined pitch unit.

That is, the present invention provides a housing loading unit 10 for loading the housing tray 13 into which the housing 201 is inserted by a cylinder push method, and transferring the loaded housing tray 13 to the ACF working position. FPC loading section for loading the car feeding section 21, the ACF section 30 for attaching the ACF to the housing 201 in the ACF attachment region, the FPC tray 47 into which the FPC 202 is inserted by a cylinder push method, FPC feeding unit 44 for transferring the loaded FPC tray 47 to the pressurizing line 52, FPC unloading unit 45 for loading an empty FPC tray 47 having FPC pick-up completed, FPC The housing pattern portion 201a and the FPC pattern portion 202a are aligned by the camera portion 60 which picks up the 202 and transfers it to the camera portion 60 and simultaneously recognizes the housing 201 and the FPC 202. When pressing to press the primary bonding unit 50, the primary feeding unit 22 for conveying the primary bonded housing tray 13, the heating unit 90 to maintain the curing conditions, the main bonding secondary bonding Part 70, Wan It comprises a housing unloading unit 80 for loading a fully bonded product and a control unit for controlling the above components on an industrial PC.

The housing loading part 10 is provided by the housing guide guide rail 23 by the housing cylinder push device 11 in the order in which the housing tray 13 into which the housing 201 is inserted into the housing magazine 12 is loaded. As shown in FIG. 2, the entire housing magazine 12 is moved up or down by a predetermined pitch value by a servo motor driving source as shown in FIG. 2.

The housing feeding unit 20 transfers the housing tray 13 into which the housing 201 loaded on the housing guide guide rail 23 is inserted to the ACF working position in a state of being fixed by the cylinder up / down pin method and attaches the ACF. Then, the housing tray 13 is conveyed by the primary feeding unit 21 until the recognition correction process and the primary bonding process are completed by transferring to the pressing position again. The subsequent process is a device which is transported by the secondary feeding part 22 in the same cylinder fixing method, and the driving method in the overall X direction is a combination of a servo motor, a ball screw, and an LM guide as shown in FIG. .

The ACF unit 30 attaches the ACF to the housing 201 as a configuration for carrying out the most important work process in the present invention, so that the insulating film of the conductive particles contained in the ACF is broken when a constant pressure and heat are applied. Finally, there is a need for a structure capable of applying electricity through particles. In this case, the conductive particles are not pressed so much that they are broken, but only a pressure and a temperature at which the housing 201 and the ACF are attached are applied. The pressing method is pressed by a cylinder using a pneumatic device capable of constant pressure control, and heat can be controlled by a temperature sensor and a heater provided in the head part 31 of FIG. 4. In addition, the tool tip end of the head portion 31 is inserted into the rubber rubber (Rubber) for the purpose of absorbing damage that may be caused by the pressing impact on the ACF and the housing 201.

The FPC line part 40 is composed of an FPC loading part, an FPC feeding part 44, and an FPC unloading part 45. The FPC loading unit sequentially supplies the FPC tray 47 with the FPC tray 47 into which the FPC 202 is inserted into the FPC magazine 42 to the FPC guide guide rail 43 by the FPC cylinder push device 41. As a result, the FPC magazine 42 is in the form of an elevator in which the whole is moved up or down by a predetermined pitch value by the servo motor drive source.

The FPC feeding unit 44 is a FPC tray 47 to the position of the pressing line 52 in a state in which the FPC tray 47 into which the FPC 202 loaded on the FPC guide guide rail 43 is inserted is fixed by a cylinder up / down pin method. 202) is a device that feeds the array pitch in the X direction, and is a combination of a servo motor, a ball screw, and an LM guide.

The FPC unloading unit 45 is a device that sequentially loads the empty FPC tray 47 in which the FPC 202 supply is completed, and a vertical manner of the cylinder is applied.

The pressurizing unit 50 adopts a high rigidity, high precision KR unit and adopts a structure capable of moving in the X, Y, Z, and θ directions, and picks up the FPC 202 inserted into the FPC tray 47. Role to transfer to the camera unit 60, the role of easily matching the pattern portion 201a, 202a of the housing 201 and the FPC 202 in the camera unit 60, the alignment of the completed housing 201 and FPC ( It serves as a pressure bonding to primary bonding the 202.

The camera unit 60 is a pattern recognition alignment correction device. The camera unit 60 simultaneously transmits image information of the housing unit 201 and the pattern units 201a and 202a of the FPC 202 to the control PC, and processes the image using an alignment editing program. The image information U of the pattern portion 202a of the FPC 202 is determined based on the image information D of the pattern portion 201a of the housing 201 inserted into the housing tray 13 based on the result. Match operation.

The main compression unit 70 is configured to perform the second bonding in order to bond the first bonded product firmly again, so that the main pressure bonding takes a longer pressing time than the pressure bonding, so that the three-head 71 pressure pressing device Is applied.

In this case, since the housing tray 13 applied to the present invention is various, the main crimping unit 70 may include a pressurized housing pattern portion 201a of the housing tray 13 supplied by the secondary feeding unit 22. As shown in FIG. 12, the three-head 71 is aligned to fit the gaps between the FPC pattern portions 202a so that the three pairs of housing pattern portions 201a and the FPC pattern portions 202a are compressed. It is preferable to comprise the alignment part which aligns the X-axis and the Y-axis of each head 71a which comprises 71.

That is, the alignment portion for aligning the X-axis and the Y-axis of each head 71a constituting the 3-head 71 of the main crimping portion 70, as shown in FIG. 12, moves the head 71a to the lower side. 1 slide section 1a which is fixed and has 1 slide groove 1a formed at both sides of the upper portion, and 1 slide guide 4a which is inserted into the 1 slide groove 1a and guides the 1 slide section 1 in the Y-axis direction. ) Is formed in the lower side and the two slide portion 4 having the two slide grooves 4b formed at the rear side, and the two slide portions 4 are inserted into the two slide grooves 4b of the two slide portions 4. Y-axis movement of one slide portion 1 includes a slide 6 formed with two slide guides 6b guiding in the axial direction at the rear and a fixing hole 6a at the front thereof. ) Is made through the micrometer 2 provided in front of the) and the spring 3 provided on the rear side of the one slide unit 1, and the X-axis movement of the two slide units 4 is one surface. The other surface is attached to the slide portion 4 and the other surface is eccentric pin front portion 5b having an eccentric pin groove 5a, and one surface of the eccentric pin front portion 5b so as to be eccentric with one surface of the eccentric pin front portion 5b. It is made of the rotation of the eccentric pin (5) consisting of an eccentric pin portion (5c) is extended to be fixed to the inside of the holder (6) through the holder hole (6a).

Specifically, the adjustment pin 2a provided on one side of the micrometer 2 is configured to transfer the inside or the outside of the micrometer 2 when one side of the micrometer 2 is turned, and the spring 3 has one side thereof. The other side is fixed and is configured to apply an elastic force to one side of the one slide (1). Therefore, when the micrometer 2 is rotated forward, the adjustment pin 2a pushes one side of the one slide unit 1 and moves it in the Y-axis one direction to shrink the spring 3, and the micrometer 2 is moved. When the counter rotates, the adjusting pin 2a is moved to the inside of the micrometer 2 so that the one slide part 1 is finely moved in the other direction of the Y axis through the elastic force of the spring 3, so that the one slide part 1 The head 71a provided on the lower side may be moved finely in the Y-axis direction.

On the other hand, when the head 71a moves in the X-axis direction forward and reverse in the eccentric pin groove 5a with a driver or the like, the eccentric pin portion 5c is fixed inside the fixing base 6, and the eccentric pin front portion One surface of 5b is fixed to one surface of the two slide portions 4, thereby enabling the transfer of the head 71a in the X-axis direction.

Therefore, the head 71a provided below the one slide portion 1 can be transported in the X and Y directions, thereby enabling three-head main compression of the housing tray 13 for each model.

The housing unloading unit 80 is a device that sequentially loads a product that is secondarily bonded to the housing train rod magazine 81 by a cylinder up / down pin method mounted on the secondary feeding unit 22. The entire magazine 81 is moved up or down by a pitch value by a motor drive source in the form of an elevator.

Although the present invention has been described in connection with the preferred embodiment, those skilled in the art will be able to easily make various changes and modifications without departing from the essential characteristics of the present invention. Therefore, the disclosed embodiments should be considered in descriptive sense only and not for purposes of limitation, and the true scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the equivalent scope are included in the present invention. Should be interpreted as.

1 is a plan view showing an apparatus for automatically bonding the camera module housing and the FPCB according to the present invention,

2 is a view illustrating in detail only the configuration of the housing loading portion of the configuration of Figure 1,

3 is a view illustrating in detail only the configuration of the housing feeding portion of the configuration of Figure 1,

4 is a view illustrating in detail only the configuration of the ACF unit of the configuration of Figure 1,

5 is a view showing in detail separated only the configuration of the FPC line of the configuration of Figure 1,

6 is a view illustrating in detail only the configuration of the pressing unit of the configuration of Figure 1,

7 is a diagram illustrating in detail only the configuration of the camera unit of the configuration of Figure 1,

8 is a view illustrating in detail only the configuration of the main compression portion of the configuration of Figure 1,

FIG. 9 is a view illustrating in detail only the configuration of the housing unloading unit in the configuration of FIG. 1; FIG.

10 is a perspective view showing in detail the FPC tray according to the present invention,

11 is a view showing in detail the attachment point of the housing tray and the housing and the FPC according to the present invention.

(A is a plan view, B is a front view, and C is a side view of each of A, B, and C in FIGS. 2 to 9.)

Description of the Related Art

10: housing loading part 12: housing magazine

13: housing tray 13a: housing seat

13b: housing tray hole 20: housing feeding part

21: 1st feeding part 22: 2nd feeding part

23: Housing guide rail 30: ACF part

31: head portion 40: FPC line portion

42: FPC Magazine 43: FPC Guide Guide Rail

44: FPC feeding part 45: FPC unloading part

47: FPC tray 47a: FPC seat

47b: FPC tray hole 50: pressure part

51: pressure bonding device 52: pressure line

60: camera portion 61: camera

70: main compression section 71: 3-head

80: housing unloading section 90: heating section

201: housing 201a: housing pattern portion

202: FPC 202a: FPC pattern portion

Claims (5)

A loading part for supplying the FPC tray 47 and the housing tray 13 accommodating the FPC 202 and the housing 201 to the FPC guide guide rail 43 and the housing guide guide rail 23 in the X-direction, respectively; ; An FPC feeding unit 44 for feeding the FPC tray 47 supplied to the FPC guide guide rail 43 in a predetermined pitch unit; A housing feeding part 20 including a primary feeding part 21 and a secondary feeding part 22 for feeding the housing tray 13 supplied to the housing guide guide rail 23 in a predetermined pitch unit; An ACF unit 30 for attaching the ACF to the housing pattern portion 201a of the housing 201 of the housing tray 13 supplied by the primary feeding portion 21 along the housing guide guide rail 23; When the housing 201 of the housing tray 13 via the ACF unit 30 is located, the FPC 202 is picked up and transferred to the upper end of the housing 201, and the FPC pattern portion of the transferred FPC 202 ( A pressing unit 50 including a pressing device 51 for aligning and pressing 202a with the camera 61 of the camera unit 60 to the housing pattern portion 201a of the housing 201; When the housing tray 13, in which the housing pattern portion 201a and the FPC pattern portion 202a are pressed by the pressing device 51, is supplied in pitch units through the secondary feeding portion 22, the housing pattern portion 201a And a heating unit 90 for maintaining the curing temperature of the FPC pattern unit 202a; When the housing tray 13 via the heating unit 90 is supplied by the secondary feeding unit 22, three-compression bonding of the three pairs of the pressed housing pattern unit 201a and the FPC pattern unit 202a is performed. A main crimping portion 70 having a head 71; A housing unloading unit 80 for sequentially loading the housing tray 13 via the main crimping unit 70 by raising or lowering the housing tray 13 by a predetermined pitch value; And an FPC unloading unit 45 which picks up the FPC tray 47, moves the empty FPC tray 47 by a predetermined pitch value, and then lifts and loads the cylinder sequentially. The main crimping portion 70 is a three-head 71 to fit the gap between the pressurized housing pattern portion 201a and the FPC pattern portion 202a of the housing tray 13 supplied by the secondary feeding portion 22. ) And an alignment portion for aligning the X-axis and the Y-axis of each head 71a constituting the 3-head 71 so as to squeeze three pairs of the housing pattern portion 201a and the FPC pattern portion 202a. Device for automatically bonding the camera module housing and the FPCB, characterized in that configured. The method of claim 1, The FPC tray 47 arranges a plurality of FPC seats 47a, which are grooves having the same shape as the appearance of the FPC 202, at the top to seat the FPCs 202 on the respective FPC seats 47a, and one direction of the upper part. Is configured by arranging a plurality of FPC tray holes 47b, The housing tray 13 arranges a plurality of housing seating portions 13a, which are grooves having the same shape as the exterior of the housing 201, to seat the housings 201 on each housing seating portion 13a, and one direction of the upper portion. Is an apparatus for automatically bonding the camera module housing and the FPCB, characterized in that configured by arranging a plurality of housing tray holes (13b). The method of claim 1, The loading unit loads the FPC tray 47 and lifts the FPC tray 47 up and down by a predetermined pitch, and the FPC tray 47 of the FPC magazine 42 sequentially in the order of loading. An FPC loading section comprising an FPC cylinder push device 41 for loading in the X direction on the FPC guide guide rail 43 provided in the vicinity of the FPC magazine 42; The housing magazine 12, which loads the housing tray 13 and moves up and down by a predetermined pitch value, and the housing magazine 13 of the housing magazine 12, are sequentially loaded in the order of loading. A housing loading part (10) comprising a cylinder push device (11) for housing loading in the X direction on the housing guide guide rail (23) provided in the vicinity of 12); Device for automatically bonding the camera module housing and the FPCB, characterized in that consisting of. 3. The method of claim 2, The FPC feeding part 44 and the housing feeding part 10 are cylinder up / down pins in the FPC tray hole 47b arranged in the FPC tray 47 and the housing tray hole 13b arranged in the housing tray 13. A device for automatically bonding the camera module housing and the FPCB, characterized in that for feeding in a predetermined pitch unit in a fixed state by the method. The method of claim 1, The alignment portion for aligning the X axis and the Y axis of each head 71a constituting the 3-head 71 of the main crimping part 70, A slide unit (1) fixing the head (71a) to the lower side and having one slide groove (1a) formed at both sides of the upper portion; Two slide portions 4 having one slide guide 4a inserted into the one slide groove 1a for guiding the one slide portion 1 in the Y-axis direction at the lower side and two slide grooves 4b formed at the rear thereof. )Wow; Two slide guides 6b inserted into the two slide grooves 4b of the two slide sections 4 for guiding the two slide sections 4 in the X-axis direction are formed at the rear, and a fixing hole 6a is formed in the front. And one fixture 6; Y-axis movement of the one slide portion 1 is made by a micrometer 2 provided in front of the one slide portion 1 and a spring 3 provided on the rear side of the one slide portion 1, , The X-axis movement of the two slide portions 4 is attached to the two slide portions 4 and the other surface of the eccentric pin front portion 5b having the eccentric pin groove 5a and the eccentric pin front portion 5b. It consists of the rotation of the eccentric pin (5) consisting of an eccentric pin portion (5c) is extended from one surface of the eccentric pin front portion (5b) so as to be eccentric with one surface and fixed to the inside of the holder (6) through the fixing hole (6a) A device for automatically bonding a camera module housing and an FPCB.

Images