KR20000056918A - Surface Mounting Device Having a Tray Feeder - Google Patents

Abstract

PURPOSE: A surface mounter equipped with tray feeder unit is provided to enable users to conduct continuous process by setting tape feeder unit and tray feeder unit so as to provide various kinds of semiconductors device while simplifying the manufacturing process. CONSTITUTION: A surface mounter equipped with tray feeder unit includes the following components. A tray feeder(208) is attached to a surface mounting device which is established to a printed circuit board so as to promptly provide various kinds of semiconductors device and various electronic components. A base assay(200) is set on the upper part of a frame assay. A gentry unit(206) moves the mount head assay so as to attach components into a printed circuit board. A tape feeder unit(202) is attached so as to attach components into a printed circuit board. The device provides various kinds of semiconductors device.

Description

Surface Mounting Device Having a Tray Feeder}

The present invention is a mounter for mounting surface-mounted parts including various chips on a printed circuit board (PCB), the tray feeder unit is installed to supply various types of semiconductor devices and various electronic components quickly and accurately More specifically, the present invention relates to a mounter provided with a tray feeder unit which can easily and quickly supply various kinds of semiconductor devices by installing a tape reel feeder unit on one side of the mounter and a tray feeder unit on the other side.

In recent years in the development of electrical and electronic products, the trend has been to increase the density, miniaturization, and diversification of electronic components, and the development thereof is becoming more and more intense.

In particular, Surface Mounting Technology (SMT) using surface mounters for assembly production of printed circuit boards (PCBs) used in electrical and electronic components is being accelerated.

The surface mounter is a core equipment of the surface mount assembly equipment for mounting a surface mounting device (SMD) on a printed circuit board. The surface mounter receives various surface mount components from a component supplyer and transfers them to the mounting position of the printed circuit board. Equipment to be mounted on the substrate.

Types are classified into high-speed machines and general-purpose machines according to their functions. The high-speed machines are configured to assemble many parts in a short time, so the mounting speed is high, which is suitable for mass production, but the mounting precision is low. Since the machine is configured to be suitable for the mounting of various parts, the mounting precision is high and the mounting of various parts is possible.

The surface mounter is mounted from a feeder part for supplying mounting parts (hereinafter referred to as a "tape feeder"), an X-Y gantry part for determining a working position, a conveyor part for conveying a printed circuit board to be worked on, and a tape feeder. It consists of a head part etc. which pick up components one by one and mount them on a printed circuit board.

In general, the surface mounter refers to a device that mounts various electronic components including chips on a printed circuit board (PCB) and is also called a MOUNTER.

1 is a perspective view showing the structure of a conventional surface mounter.

Looking at the structure of the conventional surface mounter in more detail with reference to FIG. 1 as follows.

First, a frame assay 100 for supporting the surface mounter is installed, and a base assay 102 is installed on the upper part of the frame assay 100 to serve as a base, and the base assay 102 is provided. In the upper part of the C), a conveyor system 104 for transferring a printed circuit board is installed, and on the right side thereof, a tape reel feeder part 122 to which various semiconductor devices are supplied is installed.

In addition, in the upper direction of the conveyor system 104, an XY gantry 106 is provided which moves back, front, left, and right to mount electronic components on the upper part of the printed circuit board transferred by the conveyor system 104. The XY gantry portion is composed of respective gantry frames 109 supporting the X and Y axes.

In the gantry frame 109 configured as described above, a mounter head assay 108 for mounting a component on a printed circuit board conveyed by the conveyor system 104 is installed to be movable.

The tape feeder 122 is a semiconductor device contained in the tape reel when the printed circuit board is supplied by the conveyor system 104 by hanging a tape reel containing a plurality of semiconductor devices of different sizes, the tape reel receiving unit Mounter head assay 108 is operated to be mounted.

In this case, the mounter head assay 108 is provided with a mounter head 107, and the mounter head 107 is provided with a nozzle 120 for adsorbing a component, and the component adsorbed by the nozzle 120 is provided. Vision 114 is installed to check the mounting to the correct position of the printed circuit board. In addition, the conveyor system 104 is provided with a stopper assay 110 so that the printed circuit board is transported and stopped at the working position, and a pusher 116 is installed to raise the printed circuit board. The magnet 118 is installed at the bottom to fix the pusher 116.

In addition, the conveyor system 104 for transferring a printed circuit board is provided with a pair of guides (23, 24) facing each other.

However, the surface mounter of the above-described configuration does not have smooth mounting when mounting a printed circuit board because the device is supplied only by a tape feeder installed at one side, and it is possible to mount devices of different sizes. In this case, a tape reel containing a device suitable for the situation needs to be hung on the tape reel receiving portion of the tape feeder, thereby causing inconvenience.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem in the related art, and an object thereof is to provide a tray feeder unit capable of supplying another device on the other side where a tape feeder unit is installed, and supply various parts mounted on a printed circuit board. In addition, the present invention provides a surface mounter equipped with a tray feeder unit for rapidly improving the mounting speed of components during mounting.

1 is a perspective view showing the structure of a conventional surface mounter;

2 is a perspective view showing the structure of a surface mounter provided with a tray feeder unit of the present invention;

3 is a plan view of FIG. 2.

<Description of the code | symbol about the principal part of drawing>

10: elevator plate 12: tray guide

14 tray 16: reel storage unit

18: tape reel 20: pin miss tray

22: supply tray 24: storage tray

26: sewing machine conveyor

200: base assay 202: tape feeder

204: Conveyor part 206: Gantry part

208: tray feeder portion 210: X-axis frame

212: LM block 214: Y-axis frame

In order to achieve the above object, the present invention provides a frame assay, a base assay installed on top of the frame assay, and mounted on the printed circuit board mounted on the base assay. A gantry for moving a head assay, a conveyor system installed on an upper portion of the base assay to transfer a printed circuit board, and a tape for supplying components mounted on a printed circuit board transferred by the conveyor system. A surface mounter configured to mount devices of various sizes on a printed circuit board, the feeder unit comprising: supplying and classifying different types of semiconductor devices to the other side of a tape feeder unit for supplying components for mounting on the printed circuit board Tray feeder unit characterized in that the tray feeder unit is installed Provides an deployed surface-mounted.

In addition, the tray feeder unit may include a supply tray for supplying a semiconductor device for mounting on the printed circuit board, and a storage tray for absorbing the semiconductor device supplied to the supply tray by a mounter head and placing it in a step before mounting on the printed circuit board. And a pin miss tray for accommodating the semiconductor device contained in the storage tray and detecting the pin miss of the semiconductor device by vision when the semiconductor device is mounted on the printed circuit board and storing the pin miss semiconductor device. It provides a surface mounter provided with a tray feeder.

Hereinafter, with reference to the accompanying drawings illustrating a structure of the surface mounter is installed tray feeder of the present invention as follows.

2 is a perspective view showing the structure of a surface mounter provided with a tray feeder unit of the present invention, Figure 3 is a plan view of FIG.

The surface mounter provided with the tray feeder of the present invention is a surface mounter for mounting devices of various sizes on a printed circuit board, and is provided on the other side of the tape feeder unit 202 for supplying components for mounting on the printed circuit board. The tray feeder unit 208 is provided for supplying and classifying different semiconductor devices.

The tray feeder unit 208 absorbs a supply tray 22 for supplying a semiconductor device for mounting on the printed circuit board, and a semiconductor device supplied to the supply tray 22 by a mounter head to a printed circuit board. When the storage tray 24 positioned in the step before mounting and the semiconductor device contained in the storage tray 24 are absorbed and mounted on the printed circuit board, the pin miss of the semiconductor device is detected by vision and pinned. It is characterized by consisting of a pin-miss tray 14 for accommodating a semiconductor device.

First, referring to FIGS. 2 and 3, a frame assay 200 for supporting a surface mounter is installed, and a conveyor system for transferring a printed circuit board is disposed on an upper portion of the frame assay 200. 204 is installed, and the gantry portion 206 that moves back, front, left, and right in order to mount the electronic component on the upper portion of the printed circuit board transferred by the conveyor system 204 is disposed above the conveyor system 204. The gantry portion 206 is composed of frames 210 and 214 supporting the X and Y axes.

At this time, the X-axis frame 210 is fixed to the upper portion of the LM block 212 sliding along the rail of the Y-axis frame 214 is installed to move along the Y-axis frame 214, The right side of the X-axis frame 210 is provided with a tape feeder unit 202 for accommodating a plurality of tape reels 18 containing semiconductor devices. The tape feeder unit 202 has a pin miss of a semiconductor device. The sewing machine conveyor 26 is provided for determining the presence or absence of a pin-misconed semiconductor device, and a tray feeder capable of classifying stacking and supplying various types of devices on the opposite side corresponding to the tape feeder unit 202. A part 208 is provided.

The tray feeder unit 208 is provided with an elevator plate 10 which is driven by a driving motor (not shown) and moves up and down, and the four trays of the elevator plate 10 are not separated from each other. The tray guide 12 is formed in the corner. At this time, each tray 14 accommodated in the elevator plate 10 is provided with two supply trays 22 to which semiconductor devices are supplied, and the supply trays 22 between the two supply trays 22. The two storage trays 24 for locating the semiconductor devices accommodated in the circuit board to be mounted on the printed circuit board are skipped, and the semiconductor devices supplied from the storage trays 24 are mounted on the printed circuit board. When the presence or absence of pin miss is determined by vision, the pin miss tray 20 for accommodating the pin miss semiconductor device is provided on one side.

As such, the structure of the surface mounter in which the tray feeder part of the present invention is provided can be supplied and stored continuously so that the work time can be shortened and various kinds of semiconductor devices can be easily replaced.

The surface mounter provided with the tray feeder part of the present invention as described above can supply more various kinds of semiconductor devices by the tape feeder part and the tray feeder part respectively provided on the left and right sides of the semiconductor device housed in the tray feeder part. It is easy to supply and receive, which has the advantage of continuous work.

In addition, the tray feeder part is easy to replace, the structure is simple, there is an advantage that the durability of the device is improved, the work time is faster, there is an effect that the productivity is improved.

Claims (2)

A frame assay, a base assay installed at an upper portion of the frame assay, a gantry portion provided at an upper portion of the base assay and moving a mount head assay for mounting a component on a printed circuit board; Conveyor system is installed on top of the base assay to transfer the printed circuit board, and a tape feeder unit for supplying parts mounted on the printed circuit board conveyed by the conveyor system is a device of various sizes to the printed circuit board A surface feeder for mounting on a printed circuit board, characterized in that a tray feeder section for supplying and sorting semiconductor devices of different types is provided in the other side of the tape feeder section for supplying components for mounting on the printed circuit board. Surface mounter attached. The method of claim 1, wherein the tray feeder unit includes a supply tray for supplying a semiconductor device for mounting on the printed circuit board, and a semiconductor device supplied to the supply tray by a mounter head to be mounted on the printed circuit board. A storage tray for placing a semiconductor chip in the storage tray and a pin miss tray for accommodating the semiconductor device contained in the storage tray by vision to detect the pin miss of the semiconductor device and to store the pin missed semiconductor device. Surface mounter provided with a tray feeder unit, characterized in that the configuration.