KR200242519Y1 - An Easily Exchangeable Head Nozzle of Surface Mounting Device - Google Patents

Abstract

The present invention relates to a nozzle of an easy-to-mount mounter head, which enables to quickly replace nozzles corresponding to semiconductor devices having different sizes when mounting various types of semiconductor devices and electronic components. The present invention has a first nozzle (10) having a claw (22) so that one end is fixed by the hinge pin (24) and is held up and down by a spring; The second nozzle 12 is inserted into the center of the first nozzle 10 so as to be movable up and down and has a stopper 18 formed at a lower end thereof.

Description

An Easily Exchangeable Head Nozzle of Surface Mounting Device

The present invention is a surface mounter for mounting surface electronic components including various chips on a printed circuit board (PCB) to a nozzle of a mounter head for absorbing semiconductor devices and various electronic components and mounting them on a printed circuit board. More particularly, the present invention relates to a nozzle of an easy-to-mount mounter head, which makes it possible to quickly replace nozzles corresponding to semiconductor devices having different sizes when mounting various types of semiconductor devices and electronic components. .

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.

Surface Mounting Device (SMD) is a core equipment of surface mount assembly equipment that mounts electronic components on printed circuit board. It is supplied with various electronic components from component supplier and transferred to the mounting position of printed circuit board. The equipment is mounted on the next printed circuit board.

The surface mounter is roughly classified into a high speed device and a general purpose device according to its function, and since the high speed device is configured to assemble many parts within a short time, the mounting speed is fast and has an advantage that is suitable for mass production, while the mounting accuracy is low. The general purpose machine is configured to be suitable for the mounting of various parts, and thus the mounting precision is high and the mounting of various parts is possible.

The surface mounter includes a feeder part for supplying electronic components (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 an electronic device from 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.

Looking at the structure of the above-mentioned mounter in more detail can be classified into several categories.

First, a base assay, a conveyor unit installed on an upper portion of the base assay, for transferring a printed circuit board, and various chips or surface electronic components for mounting components on a printed circuit board carried by the conveyor unit. Recognizing and correcting a part so that a feeder unit for supplying a battery, a mounter head assay for mounting each device supplied by the feeder unit, and various devices mounted by the mounter head assay can be correctly mounted The vision unit, the vision unit and the mounter head assembly is installed, the XY gantry portion for positioning by the table, and other parts.

The head assembly of the mounter is composed of a suction nozzle that directly adsorbs the components, a nozzle chuck for fixing the adsorbed components, and a nozzle exchanger for exchanging the nozzles. In order to replace a nozzle corresponding to the size of a semiconductor device, the size of each semiconductor device mounted on a printed circuit board is different. Therefore, a nozzle suitable for each size should be able to be replaced quickly. There is a problem in that it is not possible to replace the nozzle using the nozzle corresponding to various kinds of electronic components, and there is a problem in that the replacement of the nozzle takes a long time.

In this way, the speed of changing the nozzle speed is a direct influence on the mounting work efficiency of the mounter, which is a major cause of improving the work productivity of the mounter. Thus, the present invention improves the conventional problems. An object of the present invention is to provide a nozzle of an easy-to-mount mounter that can quickly exchange nozzles corresponding to the size when each semiconductor device having a different size is mounted on a printed circuit board.

1 is a perspective view showing a nozzle of the mounter head of the present invention,

2 is a cross-sectional view showing a state for using the first nozzle of the present invention,

3 is a cross-sectional view showing a process for replacing the second nozzle in the first nozzle of the present invention,

Figure 4 is a cross-sectional view showing a state for use to replace the second nozzle of the present invention.

<Explanation of symbols for main parts of drawing>

10: first nozzle 12: second nozzle

14,26: spring 16: air hole

18: stopper 20: first locking groove

22: claw 24: hinge pin

28: intermediate locking groove 30: second locking groove

In order to achieve the above object, the present invention has a first nozzle (10) having a claw (22) so that one end is fixed by a hinge pin (24) and is supported up and down by a spring; The second nozzle 12 is inserted into the center of the first nozzle 10 so as to be movable up and down and has a stopper 18 formed at a lower end thereof, and the second nozzle 12 has the first nozzle at one side thereof. The first locking groove 20 and the first locking groove 20 formed to hold the initial position of the first nozzle 10 and the second nozzle 12 are formed at a predetermined distance away from the lower portion of the first locking groove 20 and the claw is fixed Intermediate locking groove 28 for holding the neutral position, and the second locking groove (30) formed at a predetermined distance away from the lower portion of the intermediate locking groove 28 and positioned to use the second nozzle (12) It is an object of the present invention to provide a nozzle of a mount head that is easy to replace.

(Example)

Hereinafter, with reference to the accompanying drawings will be described a nozzle structure of a mount head easy to replace the subject innovation as follows.

1 is a perspective view showing a nozzle of the mounter head of the present invention, Figure 2 is a cross-sectional view showing a state for using the first nozzle of the present invention, Figure 3 is to replace the second nozzle in the first nozzle of the present invention Figure 4 is a cross-sectional view showing a process for, Figure 4 is a cross-sectional view showing a state for use to replace the second nozzle of the present invention.

The present invention includes a first nozzle (10) having a claw (22) so that one end is fixed by a hinge pin (24) and is held up and down by a spring (26); The second nozzle 12 is inserted into the center of the first nozzle 10 so as to be movable up and down and has a stopper 18 formed at a lower end thereof, and the second nozzle 12 has the first nozzle at one side thereof. A first catching groove 20 formed to hold initial positions of the first nozzle 10 and the second nozzle 12; An intermediate locking groove 28 formed at a lower distance from the lower portion of the first locking groove 20 to fix the claw 22 to hold a neutral position; The second locking groove 30 is formed at a predetermined distance from the lower portion of the intermediate locking groove 28 and positioned to use the second nozzle 12.

First, as shown in FIG. 1, the mounter head applied to the present invention has a vision 102 installed at one side of the mounter head bracket 100 to measure or monitor the nozzle 112 while moving along the mounter head. The other side is provided with a nozzle bracket 104 on which a mounter head nozzle assay is installed.

In addition, a plurality of racks 106 are installed at one side of the nozzle bracket 104 to move the nozzle 112 up and down, and one side of the rack 106 is engaged with the pinion 108. have. In addition, the pinion 108 is connected to a driving motor (not shown) on the other side thereof and is rotated by the driving motor.

The front side of the nozzle bracket 104 provided in the rack 106 is provided with a nozzle 112, and the semiconductor device transferred to a predetermined position by linearly moving up and down by the rack 106 and the pinion 108 ( Electronic components) to be mounted on a printed circuit board. In FIG. 1, reference numeral 110 is a guide block.

2 and 3 and 4 is a view showing a state of replacing the nozzle of the present invention, the nozzle of the mounter head of the present invention, as shown in Figure 2, the hinge pin (inside the first nozzle 10) ( A claw (CLAW) 22, which is installed to be rotated by 24, is provided to be pressed down by a spring 26, and the right end of the claw (22) is first It is inserted and hung in the intermediate locking groove 28 of the second nozzle 12 inserted into the nozzle 10.

At this time, the intermediate locking groove 28 is formed in a triangular shape so that the end of the claw (CLAW) 22 can be caught and fixed. Meanwhile, the second nozzle 12 is moved to move the claw 22. When pressed, one side of the locking groove 28 is formed to be inclined so that the claw 22 slides and rotates clockwise to move to the first locking groove 20 formed on the upper side.

In addition, a spring 14 is installed between upper and lower portions of the first nozzle 10 and the second nozzle 12, and the spring 14 connects the first and second nozzles 10 and 12. Make them move elastically. In this case, the elastic movement of each other means that when the second nozzle 12 is pressed, the first nozzle 10 is pressed by the spring 14 to press down on the first nozzle 10 to send downward force. Say it works.

Referring to FIG. 3, a claw 22 installed in the first nozzle 10 to be rotated by the hinge pin 24 is installed to be pressed downward by the spring 26. When the first nozzle 10 is pressed against the plate 32 of the nozzle changer, the CLAW 22 caught in the intermediate locking groove 28 is pushed down slightly. The end of the claw (CLAW) 22 is caught by the first catching groove 20 while being lifted upward by the spring 26, and at the same time, the pressing of the first nozzle 10 is stopped.

In this case, as shown in FIG. 3, an end of the CLAW 22 is fixed to the first catching groove 20, and the first nozzle 10 is lower than the second blade 12. It protrudes in the direction.

Since the first nozzle 10 protrudes downwardly compared to the second nozzle 12 in the installed state as described above, more precise and compact parts such as small electronic components and devices are formed by the first nozzle 10. It can be adsorbed.

Next, a process of replacing the second nozzle 12 as shown in FIG. 4 in a state in which the first nozzle 10 is installed as shown in FIG. 3 will be described below.

First, as shown in FIG. 3, when the claw (CLAW) 22 is caught in the first catching groove 20, pressing the second nozzle 12 downwardly causes the first catching groove ( 20, the CLAW 22 is pushed downward by the second nozzle 12, the spring 14 presses the first nozzle 10 from the top to the first nozzle 10 Push the) downward.

Then, the claw (CLAW) 22 was caught in the first locking groove 20 is caught by the second locking groove 30 through the intermediate locking groove (20). At the same time, as the stopper 18 of the second nozzle 12 comes into contact with the stepped portion inside the first nozzle 10, the first nozzle 10 pushed down by the spring 14 stops. You lose.

In this case, the first nozzle 10 is positioned further downward than the second nozzle 12, and the first nozzle 10 is a device or an electronic component having a size that cannot be adsorbed by the second nozzle 12. Etc. can be adsorbed.

As described above, a series of replacement operations are performed by contacting the first nozzle 10 to the plate 32 of the nozzle changer and simultaneously pressing the second nozzle 12 lightly. Alternately fix the first locking groove 20, the intermediate locking groove 28, and the second locking groove 30 to quickly replace a small device or an electronic component with a large size device or electronic component. Since it can be done, the work efficiency is doubled.

The nozzle of the mounter head, which is easy to replace the present invention as described above, has an advantage of easily replacing nozzles corresponding to respective sizes when mounting electronic components, semiconductor devices, and the like on a printed circuit board. In addition, since the replacement of the nozzle corresponding to the electronic component is faster, the working time is shortened and productivity is improved.

Claims (1)

A first nozzle (10) having a claw (22) such that one end is fixed by the hinge pin (24) and held up and down by a spring; The second nozzle 12 is inserted into the center of the first nozzle 10 so as to be movable up and down and has a stopper 18 formed at a lower end thereof. The second nozzle 12 has a first catching groove 20 formed to hold an initial position of the first nozzle 10 and the second nozzle 12 at one side thereof, and the first catching groove 20 Is formed at a distance away from the bottom and the claw is fixed to the intermediate locking groove 28 for holding the neutral position, and formed at a predetermined distance away from the lower portion of the intermediate locking groove 28 and the second nozzle 12 The nozzle of the mounter head, which is easy to replace, characterized in that it is provided with a second catching groove (30) positioned for use.