KR20100114175A - A nut auto insert device for base panel - Google Patents

Abstract

PURPOSE: An automatic nut insertion device for a base panel of an electronic product with a functional part is provided to improve productivity by automatically inserting nuts to the holes of base panel. CONSTITUTION: An automatic nut insertion device for a base panel of an electronic product with a functional part comprises a screwnut charging tube(110), a sliding plate(400), a locating plate(600), a screwnut falling tube(700) and a vibrator(900). A vibrator is operated for a specific time. A screwnut(20) is easily inserted to the hole of a base panel(10) through a screwnut drop hole of the locating plate.

Description

Automatic inserting device for electronics base panel with functional parts {A NUT AUTO INSERT DEVICE FOR BASE PANEL}

The present invention relates to an automatic base inserting nut for electronics base panels equipped with functional parts, and more particularly, to an electronic base panel equipped with functional parts for automatically inserting the nut into the base panel to increase its productivity. It relates to a nut automatic insertion device.

In general, electronic products such as LCD or plasma display panels (PDPs) are equipped with various functional parts such as circuit boards (PCBs). Nuts are arranged. The nuts of the base panel are firmly fixed as the end portions are plastically deformed through the press apparatus after being inserted into holes drilled in the base panel. Therefore, the nut should be pre-assembled in the hole of the base panel before the pressing process. To this end, in the past, the nut may be automatically assembled by using a jointed-arm robot, etc., but in many industries, many workers preassemble the nut by hand because it is not effective in terms of economy and productivity. However, in the case of hand-working nuts, too, there are many difficulties in terms of time and space, which leads to a significant drop in workability and productivity, which increases the manufacturing cost of the base panel for electronic products, which is increasing in demand, and prevents product delivery. Becomes

In order to solve the above problems, the Applicant of May 2004, the 'Automatic Base Panel Nut Insertion Device for Electronic Components with Functional Parts' that can automatically insert nuts into the holes of the base panel on which the functional parts are mounted. It is filed on 25th to secure a right (registered patent 10-0434614).

The electronic base panel nut automatic insertion device equipped with the functional parts disclosed in Patent No. 10-0434614, to which the applicant has a right, automatically installs a nut for mounting the functional part in each hole drilled in the base panel. By inserting and assembly, as shown in FIG. 1, a plurality of the uprights are installed inside the frame, and the nut charging tubes 2 and the nut charging tubes 2 are filled with the nuts 1 in a row and dropped by their own weight. The lower end of 2) is connected to the guide block 4 in the form of a panel in which the guiding holes 4a are perforated to coincide with the holes 3a of the base panel 3, and is mounted on the lower part of the guide block 4, The locating plate 5 is drilled to coincide with the guiding hole 4a and located between the guide block 4 and the locating plate, and the locating plate 5 abuts the base panel 3 loaded from the lower side to the upper side. The locking hole 6a is arranged to be slidably and opens and closes the communication between the guiding hole 4a and the locating hole 5a according to the sliding operation so as to selectively lock the nut 1 falling through the guiding hole 4a. It is characterized in that it comprises a locking gate 6 in the form of a perforated panel and drive means 7 for sliding the locking gate 6.

Therefore, the guiding hole 4a of the guide block 4 and the locating hole 5a of the locating plate 5 of the nut 1 filled in the nut charging tubes 2 according to the repetitive sliding operation of the locking gate 6. Inserted into the holes (3a) of the loaded base panel 3 while falling through). That is, the nut 1 is automatically inserted into the holes 3a of the base panel 3 at the same time according to the operation of the locking gate 6, thereby significantly improving work productivity.

However, in the nut automatic insertion device for an electronics base panel equipped with such functional parts, the nut charging tube (2) is provided when the locking gate (6) does not maintain the nut locking state accurately when loading or unloading the base panel (3). The nut 1 filled in can pour out. In other words, foreign matters or the like may be introduced or the locking gate 6 may not lock the nut 1 correctly due to incorrect driving of the driving means 7. In this case, the loading or unloading process of the base panel 3 is performed. The nut 1 in the nut nut charging tube 2 is poured out as it is by its own weight.

The present invention is to solve this problem; It is an object of the present invention to automatically insert the nuts into the holes of the base panel on which the functional parts are mounted at the same time, and only one nut filled in the nut charging tube by one sliding action of the sliding plate by the driving means. It is to provide a nut automatic insertion device for an electronics base panel equipped with a functional component that can prevent the malfunction by exiting.

The present invention for achieving the above object; An electronics base panel nut automatic insertion device equipped with a functional part capable of automatically inserting and assembling a nut for mounting a functional part in each hole drilled in an electronic base panel;

The base panel nut automatic insertion device for the electronics base panel; A plurality of nut charging tubes installed inside the frame, and the nuts are filled in a row and dropped by their own weight; The first guide is formed in the form of a panel in the transverse direction and the first guiding holes are drilled so that the lower end of the nut charging tube is connected so that the nut in the nut charging tube is dropped to fill the first guiding holes A block; A second guide block disposed on a lower surface of the first guide block to have a gap spaced apart by a height of the nut, and a second guide block having perforated second guiding holes in a horizontal direction with respect to the first guiding holes; A nut is slidably disposed between the first guide block and the second guide block and selectively communicates with the first guiding hole of the first guide block and the second guiding hole of the second guide block according to the sliding operation. A catching hole is drilled, and the sliding-plate for individually moving the nuts filled in the first guiding holes in the lateral direction and feeding them to the second guiding holes; An air cylinder unit for reciprocating the slide plate in a horizontal direction; A locating plate mounted to be spaced apart from a lower portion of the second guide block and having a hole in which nut drop holes are drilled to coincide with a hole drilled in the base panel, the base panel being loaded from the lower side to an upper side thereof; The upper end is connected to the second guiding hole of the second guide block and the lower end is connected to the nut drop hole of the locating plate and the nut inserted into the second guiding hole of the second guide block is transferred to the nut drop hole of the locating plate. Guiding nut dropping tubes; .

In addition, the present invention is characterized in that the vertical movement cylinder for loading the base panel to the locating plate side or the unloading of the base panel is inserted nut is arranged in the lower portion of the frame.

In addition, the present invention is characterized in that the lower position of the positioning plate is provided with a positioning pin for fixing the base panel through the positioning hole of the base panel when the base panel is loaded.

In another aspect, the present invention is characterized in that a vacuum cup for maintaining the base panel in a loading state through a vacuum pressure in the central portion of the locating plate is provided.

In addition, the present invention is characterized in that the vibrator for vibrating the base panel up and down so that the nut falling through the nut drop tube and the nut drop hole is aligned with the locating plate is easily inserted into the hole of the base panel. It is done.

According to the nut automatic insertion device according to the present invention having such a configuration; The nut filled in the nut charging tubes is inserted into and assembled into the holes of the base panel which are separated through the second guiding hole of the second guide block and the nut dropping tube and the nut dropping hole according to the repeated sliding operation of the sliding plate. Therefore, since the nuts are automatically inserted into the holes of the base panel at the same time, the productivity can be remarkably improved, and the manufacturing cost can be reduced by reducing the manpower. Substantially, there are various kinds of base panels used in electronic products, and the effect of productivity improvement is wide. That is, the base panel is divided into 26 inches, 32 inches, 42 inches, etc. according to the size, and there are more than 100 holes for inserting nuts, and if more than 100 holes are drilled in the base panel, more than 15 people Reduction and product defects resulting from fatigue of repetitive work can be reduced. In addition, the base panel for LCD or PDP, which is the main target product, is a product with high export contribution, which can contribute to increasing exports by increasing international competitiveness.

In addition, according to the present invention; As the sliding plate is repeatedly reciprocated by the air cylinder unit, exactly one nut is dropped, so that there is almost no work defect.

In addition, according to the present invention, when the base panel is loaded through the up and down cylinders, the positioning pin of the locating plate is coupled to the positioning hole so that the base panel is correctly loaded. In addition, there is an advantage that the loading state of the base panel is maintained firmly by the vacuum cup.

In addition, according to the present invention, the nut falling through the nut drop tube has the advantage that the vibrator is accurately inserted and aligned in the hole of the base panel.

In addition, according to the present invention, the second guide block and the locating plate is connected through the nut drop tubes, so that the arrangement structure thereof can be variously changed, and the nut feeding is concentrated by focusing the positions of the nut drop tubes according to the nut size. It has the effect of making the process easier to implement.

Hereinafter, one preferred embodiment according to the present invention will be described in detail with reference to the accompanying drawings. Briefly, the accompanying drawings, Figure 2 shows a base panel for electronic products applied to the present invention, Figures 3 to 5 shows the structure of the automatic nut insertion apparatus according to the present invention, Figures 6 to 10 The operating state of the automatic nut inserting apparatus according to the present invention is shown. Will be detailed.}

2; Nuts 20 are disposed throughout the base panels 10 (hereinafter referred to as base panels) of electronic products such as LCDs and PDPs to mount various functional parts. Circular holes 11 are drilled in 10. And the nut 20 is inserted into the holes 11 of the base panel 10 is provided with a locking jaw 21 in the form of an outward flange in the upper end to be kept in the assembled state. Accordingly, the nuts 20 are inserted into and assembled in the holes 11 of the base panel 10 in the nut insertion process, and are subsequently moved to the pressing process, where the locking jaws 21 of the nut 20 are plastically deformed and It is integrated in the panel 10. Reference numeral “12” denotes a positioning hole through which the positioning pin 620 of the locating plate 600 will be described later.

<Description of the configuration of the nut automatic insertion device according to the present invention>

Automatic nut inserting device for electronics base panel according to the present invention for automatically inserting the nuts 20 to the holes 11 of the base panel 10 in the manufacturing process of the base panel 10 as described above, As shown in Figure 3 and Figure 4, a plurality of upright installed inside the frame 100 and the inside of the nut charging tube 110, the nut 20 is filled in a row, and the frame 100 in the horizontal direction The first guide block 200 having the first guiding holes 210 bored thereon and spaced apart from the lower surface of the first guide block 200 so that the lower ends of the nut charging tubes 110 are connected to each other. And a second guide block 300 in which the second guiding holes 310 are perforated so as to deviate a predetermined distance from the first guiding holes 210 in the horizontal direction, the first guide block 200 and the second guide block ( Slidingly disposed between the 300 and the first guiding hole (1) of the first guide block (200) 210 and a sliding plate 400 having a nut-capturing hole 410 in communication with the second guiding hole 310 of the second guide block 300 and the sliding plate 400. Air cylinder unit 500 for reciprocating slide movement in the direction, and the lower drop of the second guide block 300 and the nut drop hole 610 to match the hole 11 drilled in the base panel 10 The locating plate 600 and the nut 20 inserted into the second guiding hole 410 of the second guide block 400 and the base panel 10 are loaded and contacted from the bottom to the upper side. There are nut dropping tubes 700 leading to the nut dropping hole 610 of the 600, the detailed structure of each component is as follows.

First, the frame 100 forms the outer shape of the automatic nut insertion device, and is manufactured to form a generally hexahedral shape by cutting and assembling a metal bar. In addition, the bottom of the frame 100 moves (loading) the base panel 10 upwards so as to contact the bottom surface of the locating plate 600 or the base panel 10 into which the nut 20 is inserted is lowered ( The up-and-down moving cylinder 120 for unloading is disposed. Therefore, the base panel 10 transferred to the lower portion of the frame 100 through the saddle assembly (not shown) is loaded upwardly in close contact with the bottom surface of the locating plate 600 through the vertical movement cylinder 120 and the nut 20. The base panel 10, which has been temporarily assembled, may be unloaded and automatically transferred to the next process, that is, the press process.

The nut charging tubes 110 are installed upright inside the frame 100 by the number of holes 11 drilled in the base panel 10, and the nuts 20 may be filled in a row to be dropped by their own weight. have. The lower end of the nut charging tube 110 is disposed in communication with the first guiding holes 210 of the first guide block 200, respectively. Accordingly, when the nut 20 located at the bottom end exits the first guiding hole 210, the filled nuts 20 are pushed down by their own weight one by one. In addition, the nut charging tube 110 has to fill the nut 20 so that the locking jaw 21 (see Fig. 2) is located on the upper side, which is the locking jaw 21 is the base in the process of the nut 20 falls by its own weight This is to hold the panel 10 to maintain the preassembled state. It is preferable to continuously supply the nut 20 to the nut charging tube 110 through a nut feeder (not shown), which is an automatic nut feeding device, and thus all operations can be continuously performed without interruption.

4 and 5; The first guide block 200 is manufactured in the form of a rectangular panel having a predetermined thickness, and the first guiding hole 210 is perforated so that the lower ends of the nut charging tubes 110 are connected to the nut charging tube. The nut 20 in the 110 is filled while falling.

The second guide block 300 is disposed to have a gap spaced apart from the lower surface of the first guide block 200 by the height of the nut 20, and the second guide block 300 is fixed in the horizontal direction with the first guiding holes 210. The second guiding holes 310 are drilled to offset the gaps.

In addition, the sliding plate 400 is arranged to be slidably spaced between the first guide block 200 and the second guide block 300, the first guiding hole of the first guide block 200 in accordance with the sliding operation The nut-capturing holes 410 selectively communicated with the 210 and the second guiding holes 310 of the second guide block 300 are perforated. Accordingly, when the sliding plate 400 is advanced and the nut-capturing holes 410 coincide with the first guiding holes 210 of the first guide block 200, the nut 20 that is filled therein is nut-captured. When the sliding plate 400 retreats in this state, the nut 20 is accommodated in the nut-capturing holes 410 and moved into the second guiding hole 310. This is described in detail in the operation description. In addition, the thickness of the sliding plate 400 is also configured to be the same as the height of the nut 20, which is intended to capture only one nut 20 apart from the nut-capture hole 410.

The air cylinder unit 500 for operating the sliding plate 400 is mounted on the edge of the first guide block 200 and the operating rod 520 is provided in parallel with the sliding operation direction of the sliding plate 400. A cylinder 510 and a connecting rod 530 connecting the front end of the operating rod 520 and the end of the sliding plate 400 are provided. Therefore, the sliding plate 400 may be repeatedly operated through the operating rod 520 of the cylinder 510. In the embodiment of the present invention, the air cylinder unit 500 is composed of a pneumatic cylinder in which the operating rod 520 moves forward and backward by pneumatic pressure, but is not limited to this, even if configured as a hydraulic cylinder operating by hydraulic pressure Of course, the purpose can be achieved.

The locating plate 600 is disposed to be spaced apart at a considerable interval directly below the second guide block 300, and the nut dropping hole is matched with the holes 11 drilled in the base panel 10. 610 are perforated. The base panel 10 loaded upward from the bottom of the frame 100 is directly attached to the bottom surface of the locating plate 600. In addition, the lower side of the locating plate 600 is provided with a position-determination pin 620 penetrating through the position-determination hole 12 drilled in the base panel 10. Therefore, the base panel 10 loaded upward through the vertical movement cylinder 120 (see FIG. 4) is in close contact with the bottom surface of the locating plate 600 without distortion in the transverse direction through the positioning pin 620. The holes 11 are precisely matched with the nut drop holes 610 of the locating plate 600, which will be described in detail later. In addition, the locating plate 600 is preferably spaced apart from the second guide block by about 50 ~ 100cm, this is to ensure the distance by which the nut is accelerated through the nut drop tube to be described later, if the distance is too large The overall size of the automatic insertion device becomes unnecessarily large.

In addition, the nut drop tube 700 is the upper end is disposed in communication with the second guiding hole 310 of the second guide block 300 through the first tube coupler 710, the lower end of the locating plate 600 The nut drop hole 610 of the communication through the second tube coupler 720 is disposed. Therefore, the nut 20 introduced into the second guiding hole 310 of the second guide block 300 is guided to the nut drop hole 610 through the nut drop tubes 700 to be temporarily assembled to the base panel 10.

On the other hand, the central portion of the locating plate 600 is provided with a vacuum cup 800 for maintaining the base panel 10 attached to the lower surface of the locating plate 600. The vacuum cup 800 is made of a corrugated pipe type that can be elastically deformed and embedded in the central portion of the locating plate 600. The vacuum cup 800 is connected to a negative pressure source, not shown, and is selectively loaded on the bottom of the locating plate through vacuum pressure. The base panel 10 is kept in close contact.

In addition, the locator plate 600 is disposed with a vibrator 900 for vibrating the base panel 10 loaded to stick to the lower surface up and down. In the vibrator 900, the vibration shaft 910 is disposed through the locate plate 600, and thus vibrates the base panel 10, which is attached to the locating plate 600, slightly up and down. Accordingly, the nut 20 falling through the nut drop hole 610 is easily inserted into the hole 11 of the base panel 10.

In addition, drive control of the air cylinder unit 500, the vacuum cup 800, the vibrator 900, and the like are preprogrammed by a controller not shown.

<Description of the operation of the nut automatic insertion device according to the present invention>

 Next, the operation of the automatic nut insertion device according to the present invention configured as described above and the effects thereof will be described with reference to FIGS. 6 to 10.

First, as shown in Figure 6, the operating rod 520 of the air cylinder unit 500 is advanced to the nut-capturing holes 410 of the sliding plate 400 and the first of the first guide block 200 When the guiding holes 210 coincide with each other, one nut 20 is separated from the nut-capturing holes 410 to maintain the capturing state.

And if the base panel 10 for the electronic product that is the object for inserting the nut is directly supplied to the frame 100 through the saddle assembly, the base panel 10 is loaded and moved upward through the up and down moving cylinder 120, Thereby contacting the bottom surface of the locating plate 600. In addition, the lower end of the vacuum cup 800 is in contact with the base panel 10. When the vacuum pressure is applied to the vacuum cup 800 in this state, the base panel 10 is kept in close contact with the bottom surface of the locating plate 600 (base panel loading state).

And as shown in FIGS. 7 and 8; When the operating rod 520 of the air cylinder unit 500 is reversed (see the directions of arrows in FIGS. 7 and 8), the sliding plate 400 is moved with the nut 20 captured in the nut-capturing hole 410. Slip outwards. Subsequently, when the operating rod 520 of the air cylinder unit 500 is completely retracted, the nut-capturing holes 410 of the sliding plate 400 and the second guiding hole 310 of the second guide block 300. ) Matches exactly. Accordingly, the nut 20 captured in the nut-capturing hole 410 falls down through the second guiding hole 310 and the nut drop tube 700.

9, the nut 20 falling through the nut drop tube 700 penetrates through the nut drop hole 610 of the locating plate 600 to open the hole 11 of the base panel 10. Is inserted). At this time, the vibrator 900 is operated for a predetermined time (about 3 seconds in the embodiment of the present invention), whereby the nut 20 is more easily inserted into the hole 11 of the base panel 10, of course. And are aligned correctly.

In addition, when the nut 20 is inserted into each hole 11 of the base panel 10 by the driving of the vibrator 900, as shown in FIG. The base panel 10 is lowered through the cylinder 120 (unloading). Through such a series of processes, the base panel 10 into which the nut 20 is automatically inserted is unloaded and moved to the next press process, and the insertion fixing operation of the nut 20 can be continuously performed.

When the operating rod 520 of the air cylinder unit 500 is advanced to match the first guiding hole 210 of the first guide block 200 and the nut-capturing hole 410 of the sliding plate 400 again, One of the nuts 20 is separated by the own weight and is captured in the nut-capturing hole 410 to prepare for the next operation.

As such, the base panel 10 loaded to abut the locating plate 600 through the vertical movement cylinder 120 has a nut charging tube by a repetitive sliding operation of the sliding plate 400 and an operation of the vibrator 900. The nut 20 filled in the 700 is dropped by exactly one, and is maintained in a state of being simultaneously inserted and assembled into the holes 11 of the base panel 10.

Figure 1 schematically shows a nut automatic insertion device for a conventional electronics base panel.

2 is a perspective view showing a base panel for an electronic product to which the present invention is applied.

Figure 3 is a side view showing the overall structure of the automatic nut inserting device for electronics base panel according to the present invention.

4 and 5 are enlarged the arrangement structure of the guide block, the sliding plate and the locating plate in the nut automatic insertion apparatus according to the present invention.

Figure 6 shows the base panel loading state in the automatic nut insertion apparatus according to the present invention.

7 to 9 illustrate a process in which the nut is inserted into the hole of the base panel in the automatic nut insertion apparatus according to the present invention.

Figure 10 shows the unloading process of the base panel in the automatic nut insertion apparatus according to the present invention.

* Description of the symbols for the main parts of the drawings *

10. Base panel 20. Nut 100 Frame

110. Nut charging tube 200. Second guide block 210. First guiding hole

300. Second guide block 210. Second guiding hole 400. Sliding plate

410.nut-capture hole 500.air cylinder unit 600.locating plate

700..nut drop tube 800..vacuum cup 900..vibrator

Claims (5)

In the electronics base panel nut automatic insertion device equipped with a functional part that can be automatically inserted into the nut 20 for mounting the functional part in each hole 11 perforated in the base panel 10 for electronic products In; The base panel nut automatic insertion device for the electronics base panel; A plurality of nut charging tubes 110 installed inside the frame 100 and installed therein, and the nuts 20 are lined up and dropped by their own weight; The nut 20 in the nut charging tube 110 is formed by forming a panel in the horizontal direction, and the first guiding holes 210 are perforated so that the lower ends of the nut charging tubes 110 are connected to each other. A first guide block 200 which is filled in the first guiding holes 210 while falling; The second guiding hole 310 is disposed on the lower surface of the first guide block 200 to have a gap spaced apart by the height of the nut 20, and deviated by a predetermined distance in the horizontal direction from the first guiding holes 210. The second guide block 300 perforated; Slidably disposed between the first guide block 200 and the second guide block 300, the first guiding hole 210 and the second guide block of the first guide block 200 in accordance with the sliding operation The nut-capturing hole 410 which is selectively communicated with the second guiding hole 310 of the 300 is drilled to separately move the nut 20 filled in the first guiding hole 210 in the horizontal direction. And sliding-plate 400 for feeding into the two guiding holes 310 side; An air cylinder unit (500) for reciprocating sliding the sliding-plate (400) in a horizontal direction; The nut drop holes 610 are drilled to be spaced apart from the lower part of the second guide block 300 and coincide with the holes 11 drilled in the base panel 10, and the base panel 10 is upward from the bottom. A locating plate 600 loaded with abutment; An upper end is connected with the second guiding hole 410 of the second guide block 400 and the lower end is connected with a nut dropping hole 610 of the locating plate 600 to make the first guide of the second guide block 400. Nut drop tubes 700 for guiding the nut 20 introduced into the two guiding holes 410 to the nut drop holes 610 of the locating plate 600; Automatic insertion device for a base panel nut for electronic products, characterized in that the functional component is provided. The method of claim 1, A vertical movement cylinder 120 for loading the base panel 10 toward the locating plate 600 or unloading the base panel 10 into which the nut 20 is inserted below the frame 100. Automatic insertion device for electronics base panel nut is equipped with a functional component, characterized in that the arrangement. The method according to claim 1 or 2, The lower portion of the locating plate 600, the position for fixing the base panel 10 through the positioning hole 12 of the base panel 10 when the base panel 10 is loaded. Automatic insertion device for electronics base panel nut is equipped with a functional part, characterized in that the pin 620 is provided. The method of claim 1, A central part of the locating plate 600 is provided with a vacuum cup 800 for maintaining the base panel 10 in a loaded state through a vacuum pressure. Insertion device. The method of claim 1, In the locating plate 600, the nut 20 falling through the nut drop tube 700 and the nut drop hole 610 is easily inserted into the hole 11 of the base panel 10 so as to be aligned. Automated insertion device for electronics base panel is equipped with a functional component, characterized in that the vibrator 900 for vibrating the base panel 10 up and down.

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