KR100746832B1 - Auto-apparatus for inserting stud of display device chassis - Google Patents

Abstract

An automatic stud press-inserting device of a chassis for an LCD(Liquid Crystal Display) is provided to contribute to automation in chassis production and reduce the number of operators and a process time by automatically press-inserting a stud in a corresponding stud mounting hole of a chassis. A main frame(101) serves as a support of a lower portion of a device. A jig frame(110) is fixedly installed on a mounting plate on an upper surface of the main frame by way of a predetermined support structure(103), and includes a chassis fixing unit for fixing a chassis while a study is press-inserted. A plurality of horizontal stud press-inserting units(200) and vertical stud press-inserting units(300) are disposed around the chassis fixed on the jag frame in a state of being supported by the mounting plate and a fixing frame(104) fixedly inserted on the mounting plate by way of a separate support structure, and each press-insert a stud in edge side portions and front portions of the chassis on the jig frame. While the chassis including a plurality of stud mounting holes at predetermined positions of the side and front portions is fixed on the jig frame, the horizontal stud press-inserting units and vertical stud press-inserting units operate under control of a controller to press-insert studs of the respective stud mounting holes of the chassis.

Description

Auto-apparatus for inserting stud of display device chassis}

1 is a perspective view showing a stud press-fitted to a conventional LCD bottom chassis,

FIG. 2 is a view illustrating a state in which a stud is press-fitted in a conventional LCD bottom chassis;

Figure 3a is a front view of the stud auto-injection apparatus according to the present invention,

Figure 3b is a plan view of a stud auto-injection apparatus according to the present invention,

Figure 3c is a side view of the stud auto-injection apparatus according to the present invention,

Figure 4 is a block diagram showing the configuration of the chassis fixing means in the present invention,

Figure 5 is a perspective view of a horizontal stud indentation apparatus in the present invention,

6 is a perspective view showing a stud supply unit and a stud transfer unit in the horizontal stud indentation apparatus of the present invention,

Figure 7 is a perspective view showing a state in which the stud is transferred from the loading block by the transfer pin in the horizontal stud indentation apparatus of the present invention,

8A is a cross-sectional view illustrating the inside of a cam unit and a press-fit unit constituting a stud press-fit unit in the horizontal stud press-fit device shown in FIG. 5;

8B is a plan view of the cam unit and the press-fit unit in the horizontal stud press-fit device shown in FIG.

9a to 9d is an operating state diagram for explaining a process in which the stud supplied from the stud supply unit in the horizontal stud press-fit device in the present invention is moved to the press-fitting position of the cam,

10A to 10D are diagrams showing a state in which the press-fit is performed while the stud is fixed to the final press-fit position on the cam by the centering pin,

11 is a perspective view of the stud supply unit in the vertical stud indentation apparatus in the present invention,

12 is an enlarged perspective view of a pickup device unit for finally moving a stud toward an insertion hole in the stud supply unit shown in FIG. 11;

13 is a perspective view showing an operating state of the pickup device shown in FIG.

14 is a perspective view showing a stud feed unit including a finger unit and a stud press unit including a press unit and a centering unit in the vertical stud press unit of the present invention;

15 is a cross-sectional view showing the main configuration of the stud press-fitting portion shown in FIG.

16 is a plan view of the stud indentation unit shown in FIG.

17 and 18 are a front view and a side view of the finger unit and the stud indentation unit in the vertical stud indentation apparatus of the present invention,

19 is a perspective view showing the operating state of the finger in the vertical stud indentation apparatus of the present invention,

20 is a perspective view showing an operating state of the centering unit in the vertical stud indentation apparatus of the present invention,

Figure 21a and 21b is a state diagram showing a state in which the indentation is made from the state that the stud moved to the final indentation position in the present invention.

<Explanation of symbols for main parts of the drawings>

10: stud 20: chassis

100: automatic stud press 101: main frame

200: horizontal stud press-fit device 210: stud supply unit

220: stud feeder 220a: straight feeder

220b: finger unit 250: stud press-fitting unit

251: press-fit unit 254: press-fit head

261: cam unit 265: cam

269: magnet 300: vertical stud indentation device

310: stud supply unit 330: stud transfer unit

331: pipe transfer unit 332: transfer tube

341: finger unit 350: stud press-fitting unit

351: front and rear position adjusting unit 372: centering unit

381: press-fit unit 383: press-fit head

384: Press pin

The present invention relates to an apparatus for automatically injecting studs into a chassis for a display device, and more particularly, to a chassis for a display device for automatically injecting studs into a chassis for a display device installed to protect and reinforce parts in a liquid crystal display (LCD). The present invention relates to a stud automatic press-fit device.

Recently, with the development of information processing apparatuses, the demand for display apparatuses serving as an interface between a user and the information processing apparatus is increasing rapidly.

In particular, the development of high definition television (High Definition Television) is complete, and the importance of the display device in the process of improvement is being studied more.

Types of display devices are known as color cathode ray tube (CRT), liquid crystal display (LCD), fluorescent display (VFD), plasma display device (PDP) and the like.

However, as a display element satisfactory in relation to the development of high-definition television, which has not been technically completed yet, such display devices have been developed while maintaining mutually complementary relations at different positions.

Among the display devices described above, the liquid crystal display device and the plasma display device, which have recently been improved in performance, will be described.

First of all, the liquid crystal display device displays information by using the electrical and optical properties of the liquid crystal material injected into the liquid crystal display panel. Recently, as a monitor and image display device of a television and a computer, a portable video camera, a digital camera, a vehicle Applicable fields such as navigation devices, various information devices and communication devices are gradually expanding.

The liquid crystal display device as described above requires a liquid crystal display panel assembly that receives an image signal from the information processing device and converts the signal into a liquid crystal control signal and then controls the amount of light transmitted through the liquid crystal to visually recognize the electrical image signal. Shall be.

The liquid crystal display panel assembly is again connected to a liquid crystal display panel for displaying an image using liquid crystal, a printed circuit board for applying an electrical signal to the liquid crystal display panel, and the liquid crystal display panel and the printed circuit board, It includes a flexible circuit board to reduce the planar area.

In addition, since the liquid crystal display uses liquid crystal, which is a light-receiving element that does not emit light by itself, the liquid crystal display device requires a backlight assembly installed on the lower surface of the liquid crystal display panel assembly in addition to the liquid crystal display panel assembly to provide light to the liquid crystal display panel assembly. do.

The above components are housed in a case for protection and fixation from external impact, and the bottom of the case sequentially receives the components of the backlight assembly, and above the liquid crystal display panel assembly.

Next, the plasma display apparatus displays an image on a plasma display panel (PDP) using a plasma generated by gas discharge. After the gas is sealed between two electrodes installed in an enclosed space, A discharge voltage is applied and the phosphor layer formed in a predetermined pattern is excited using ultraviolet rays generated due to the discharge voltage to obtain a desired number, letter or image.

Such a plasma display device basically includes a PDP, a chassis base disposed substantially parallel to the PDP, a thermally conductive medium interposed between the PDP and the chassis base and closely attached to the PDP and the chassis base, and the panel of the chassis base attached thereto. And a driving circuit mounted on the side opposite to the surface and connected to the PDP to drive the PDP. A front case is coupled to the PDP side, and a back case is coupled to the driving circuit side.

The plasma display device has the most promising resolution and illuminance ratio in this field, and is not only fast in response, but also suitable for displaying a large area image, and is widely used in televisions, monitors, indoor and outdoor display panels, and the like. have.

On the other hand, in the liquid crystal display and the plasma display device, a chassis is coupled to the case to prevent the display panel assembly simply mounted on the case from being separated from the outside.

The chassis is installed to support the outside of the display panel assembly. The chassis is divided into a top chassis and a bottom chassis according to the front and rear positions of the display panel assembly. The top chassis is mainly made of aluminum alloy or stainless steel (SUS). The bottom chassis is made of a metal material such as an electrogalvanized steel sheet (EGI).

For example, the top chassis protects and reinforces the LCD liquid crystal and the backlight unit, and serves to prevent the separation of various panels that are components of the backlight unit.

Depending on the shape of the product, it is completed by various processes, and the main processes include blanking, piercing, lancing, box bending, opening, and chamfer. Can be.

The bottom chassis protects and reinforces the entire back of the LCD and backlight unit, and the main processes include notching, embossing, piercing, L-bending, box bending, burring, etc. Can be.

On the other hand, the chassis as described above are provided with a plurality of studs for mounting and fastening with the module, and after processing the stud mounting holes in a plurality of predetermined positions of the chassis, the studs are mounted in each stud mounting hole of the chassis. Press-fit mounting, the studs press-fitted into each stud mounting hole is used as a means for mounting and fastening with the module.

FIG. 1 is a perspective view illustrating a stud press-fitted to a conventional LCD bottom chassis, and FIG. 2 is a view illustrating a state in which a stud is press-fitted to a conventional LCD bottom chassis.

As shown in FIG. 1, the stud 10 press-fitted to the LCD bottom chassis 20 is formed with a tab hole 13 penetrating the center of the body portion 12 having a predetermined diameter. The flange 14 of the radially extended form is formed in the end.

2, the stud 10 is mounted on the chassis in such a manner that the flange 14 is press-fitted into and fixed to the stud mounting holes 23 and 24 pre-machined in the chassis 20, as shown in FIG. In the bottom chassis, studs are pressed into the sides of the rectangular edge and the front edge of the so-called 'Z-bend', respectively, and the studs are installed along the edge sides 22 and front 24 of the rectangular overall shape. The stud mounting holes 23 and 25 are preliminarily processed at predetermined positions at predetermined intervals, and the stud 20 is press-fitted into each stud mounting hole.

However, the conventional stud press-fitting operation for the chassis is mostly dependent on manual work using a press or the like, and the work efficiency is not greatly reduced, such as no work quantity, and the workability and productivity are limited.

In particular, there is a problem that the quality of the product, such as the assembly error is reduced due to the precision of the work is deteriorated, the chassis failure may occur such as the work surface of the chassis is crushed or bent in the process of pressing the stud.

Therefore, the present invention is invented to solve the above problems, and once the chassis with the stud mounting holes is seated on the jig frame in the center of the main frame by the robot device, each stud for each stud mounting hole of the chassis is mounted. The indentation device is configured to operate at the same time to automatically press the studs into the corresponding stud mounting holes, which can be used as part of an automated facility for chassis manufacture, and by automating the stud press to reduce the number of workers and reduce the process time (cycle time). It is an object of the present invention to provide a stud auto-injection apparatus for a chassis for a display device having an advantage, and has the advantage that the in-line arrangement in the chassis manufacturing process does not require a separate work space.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The present invention is a device for pressing the stud into the chassis for a display device,

A main frame serving as a support under the device; A jig frame fixedly installed on a mounting plate on the upper surface of the main frame through a predetermined support structure and having a chassis fixing means for securing the chassis while the stud is press-fitted; It is installed to be arranged along the periphery of the chassis fixed on the jig frame in a state of being supported by the mounting plate and a fixed support fixed through a separate support structure on the mounting plate, and each side stud on the edge side and the front of the chassis on the jig frame. It includes; a plurality of horizontal stud indentation device and a vertical stud indentation device provided to press-fit,

Under the control of the controller, the horizontal stud indentation device and the vertical stud indentation device operate under the control of the controller in which a plurality of stud mounting holes are machined on the jig frame at predetermined positions of side and front parts, thereby mounting each stud of the chassis. It is characterized in that it is configured to automatically press the stud into the hole.

Here, the horizontal stud press-fit device is installed at the chassis side stud press-fit position around the jig frame,

A stud supply unit installed on the mounting plate to supply a stud to be press-fitted to the chassis; It is installed between the stud supply unit and the following stud indentation unit, the stud supplied by the stud supply unit is linearly transferred in a state coupled to the transfer pin capable of vertical and horizontal movement, and then clamped to attach to the cam of the stud indentation unit Stud transfer unit to be; A stud press-fitting part installed to be supported by the holder and horizontally press-fitting the stud into the stud mounting hole on the side of the chassis by applying a horizontal force to the stud placed at the final press-fitting position of the cam after being transferred by the stud feeder; Characterized in that it comprises a.

In addition, the stud supply unit,

A vibration feeder installed on the mounting plate, the stud being moved and supplied along the case inner passage by the case vibration; A passage member fixedly installed by a bracket so as to extend to a case inner passage end of the vibration feeder to finally guide the stud supplied by the vibration feeder; It is fixedly installed at the end of the passage member, consisting of a combination of the upper block and the lower block installed to support the bracket in each of the upper and lower positions, and the final stud guided by the passage member is inserted while the transfer pin is allowed to enter The loading block; characterized in that comprises a.

In addition, the stud transfer unit,

A straight line transfer unit which firstly transfers the studs supplied to the final reach position in the stud supply unit to the cam peripheral position of the stud press-fitting unit by using the transfer pins; And a finger unit configured to be installed at a cam periphery of the stud press-fitting part to move and attach the clamp to the magnet installed in the cam by clamping the stud transferred by the straight line transfer unit while being coupled to the transfer pin. It is characterized in that the configuration.

In addition, the linear transfer unit,

A first pneumatic cylinder having a piston supported and fixed to the side of the vibration feeder and horizontally moving forward and backward; A lower movable block fixedly coupled to a piston end of the first pneumatic cylinder; A second pneumatic cylinder fixed to the lower movable block and having a piston for vertically moving forward and backward; An upper movable block fixedly coupled to the piston of the second pneumatic cylinder; A transfer bracket fixedly coupled to the upper movable block in a forward direction; A pin block fixedly coupled to the front end of the transfer bracket; Includes; is formed to protrude upward on the upper surface of the pin block, the transfer pin inserted into the tab hole of the stud;

By the operation of the first pneumatic cylinder and the second pneumatic cylinder is characterized in that the transfer pin is moved in the vertical and horizontal direction and configured to linearly transfer the studs after coupling.

In addition, the stud indentation unit,

A press-fit unit including a press-fit unit main body, a press-fit head, and an actuator thereof, the press-fit unit being coupled to the holder via a predetermined support means to move the entire configuration back and forth by a predetermined play distance from the holder; And a cam unit including a cam unit body, a cam to which a stud is attached, and an actuator thereof, the cam unit being installed so that the entire configuration can be moved back and forth integrally with the press-fit unit.

The cam supporting the stud by the actuator operation of the press-fit unit, and the press-fit head located on the opposite side of the cam with the side portion of the chassis interposed therebetween to apply a force in the opposite direction to press-in the stud. .

Here, the press-fit unit,

A press-fit unit body coupled to the fixing unit via the support means and assembled integrally with the cam unit; A hydraulic cylinder integrally installed on an upper portion of the press-fit unit body as the actuator; A press-fit head installed to protrude forward from inside the hydraulic cylinder and operating forward and backward in the horizontal direction by the force of the hydraulic pressure generated in the hydraulic cylinder; And a centering means having a coupling means coupled to the tab hole of the stud attached to the cam in the press-fit head to fix the stud position on the cam to the press-fit position during the press-in of the stud.

A front end of the press head is formed with a passage through which a body portion of the stud attached to the cam is inserted along the center thereof, and press-fits when the body portion of the stud is inserted into the passage at the time of forward protrusion of the press head. End of the head is characterized in that it is able to press the side portion of the chassis forward.

In addition, the cam unit,

A cam unit body integrally assembled to the press-fit unit body forward; A cam block having a structure in which a cam is integrally formed at a front end of the cylindrical block body, the cam block being rotatably coupled to a central axis of the cam unit body; And a pneumatic cylinder which is installed between the press-fit unit body and the cam block to rotate the cam block as the actuator.

One side of the cam is characterized in that the magnet to which the stud is attached.

On the other hand, the vertical stud press-fit device is installed in the chassis front stud press-in position around the jig frame,

A stud supply unit installed on the mounting plate and finally supplying a stud to be press-fitted to the chassis through an input pipe; A stud transfer unit installed between the stud supply unit and the following stud indentation unit to clamp the studs supplied from the stud supply unit after the first transfer from the feed pipe to the final indentation position in the stud indentation unit; And a stud press-fitting part installed to be supported by the holder and vertically press-fitting the studs into the stud mounting holes on the front of the chassis by applying a vertical force to the studs which are conveyed by the stud transfer part and placed at the final press-fitting positions. It is characterized by.

Here, the stud supply unit,

A vibration feeder installed on the mounting plate, the stud being moved and supplied along the case inner passage by the case vibration; A passage member fixedly installed by a bracket so as to extend to a case inner passage end of the vibration feeder to finally guide the stud supplied by the vibration feeder; The inner passage is provided in a tubular structure formed vertically downward, the upper inlet is fixed to the lower surface of the bracket portion protruding to the end of the passage member, the open one side of the upper inlet is the passage so that the stud movement is possible An inlet pipe connected to an end of the inner passage of the member and configured to provide a final supply of the stud through a lower outlet; And a pickup device unit configured to finally move the stud guided to the end of the passage member to the pick-up pin in the state in which the stud is guided to the inner passage of the feed tube.

In particular, the pickup unit,

A fixed block fixed to the side of the passage member by a support bracket on the side of the vibration feeder; A movable block which is penetrated on the guide rod fixedly installed so as to extend horizontally in front of the fixed block and is movable forward and backward on the length of the guide rod; A rotational member having a lower end hinged to an upper end of the movable block and rotatable about the lower end hinge point above the movable block; A pickup head fixed to the side of the front protrusion of the pivot member in the transverse direction, the pickup head protruding downward from one side of the circumferential surface; And a pneumatic cylinder disposed horizontally on the upper end of the support bracket, the piston tip being hinged to the slot formed at the rear protrusion of the upper end of the pivot member while having a piston horizontally moved forward and backward.

When the piston advances and tilts the pivot member forward, the pickup head descends while drawing an arc, and the pickup pin rotates downward to fit into the tab hole of the stud positioned at the end of the passage member. The piston is continuously advanced, characterized in that configured to move the stud to the inner passage of the input pipe.

In addition, the stud transfer unit,

An air pressure pipe transfer unit for firstly transferring the studs from the inlet tube of the stud supply unit to the stud seating zone at the periphery of the stud indentation unit; And a finger unit for clamping the studs transferred to the stud seats and horizontally transferring the studs to the final press-fit position in the stud press-fitting unit.

In particular, the finger unit,

A pneumatic cylinder which is integrally formed with the first fixing block and fixedly mounted to the support bracket fixed to the front of the stud press-fitting part via the first fixing block, and has a piston which moves forward and backward in the left and right direction with respect to the stud press-fitting part; ; A movable block coupled to the first fixed block via a guide rod in a state of being fixedly coupled to the piston of the pneumatic cylinder, and horizontally moving from the front of the stud indentation to the left and right by the piston forward and backward; It is disposed long in the direction parallel to the traveling direction of the piston, one end is fixed to the front end of the movable block, the other end is formed with a clamping portion for injecting a stud, the finger to move horizontally integrally with the movable block; ,

When the piston is pulled and retracted by the operation of the pneumatic cylinder, the clamping portion of the finger is configured to clamp the stud while passing through the stud seat and then move to the final press-fit position in the stud indentation.

In addition, the stud indentation unit,

A front and rear position adjusting unit installed on the fixing unit to adjust the front and rear positions of the entire configuration including the following press-fitting unit body, centering unit, and press-fit unit; A press-fitting part main body which is divided into a press-fitting part upper body and a press-fitting part lower body, the upper main body and the lower main body are connected and assembled by a vertical axis passing through them vertically, and coupled to the front-back position adjusting unit and capable of adjusting the front-back position; A press-fit head located below the stud placed in the press-fitting main body of the press-fit part and an actuator thereof, and the press-fit head operates vertically upward by the actuator to apply a force in the vertical direction to the studs above. A press-fit unit press-fitting the stud mounting hole in the front of the chassis; A centering unit installed in the upper main body of the press-fitting unit and having a coupling means coupled to a stud tap hole at an upper side of the stud placed at the press-fitting position to fix the studs so as not to be separated from the press-fitting position during the press-fitting operation. It is characterized by.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an apparatus for automatically injecting studs into a chassis for a display device, and more particularly to an apparatus for automatically injecting studs into a bottom chassis installed for protecting and reinforcing parts in a liquid crystal display (LCD).

The stud auto-injection apparatus of the present invention includes a robot device for moving the chassis to a working position in the device, and a plurality of stud-indentation devices for injecting a stud into each stud mounting hole pre-machined at a predetermined position of the chassis, When the chassis, which has completed the operation of the previous process (e.g. tapping process), is transported by the robot device and placed on the work position, the stud press devices operate simultaneously to automatically press the stud into each stud mounting hole of the chassis. The focus is on what is constructed.

Such a stud auto-injection apparatus of the present invention can be installed and used as a part of an automated facility for manufacturing a chassis by arranging in-line tapping machine → stud auto-injection apparatus → vision machine → chassis washer of the present invention.

As described above, the stud auto-injection apparatus of the present invention automates the stud indentation as part of an automated facility for chassis manufacture, thereby providing advantages of reducing workforce and reducing process time (cycle time), and enabling in-line arrangement in the chassis manufacturing process. This provides the advantage that no separate workspace is required.

As is well known, in the stud press-fitting operation of the chassis, the studs are press-fitted in a state in which a stud mounting hole for pressing the studs into each predetermined position of the chassis is pre-machined.

In a typical LCD bottom chassis 20, which is the object of the present invention, a plurality of studs 10 are press-fitted into the side surface 22 of the rectangular edge and the front surface 24 of the edge portion called the 'Z-bending portion'. The studs 20 are inserted into the stud mounting holes in the state where the stud mounting holes 23 and 25 are pre-machined in the respective positions where the studs are to be installed along the edge side 22 and the front surface 24 of the rectangular overall shape. It is press-fitted (see FIG. 2).

Therefore, in the stud auto-injection apparatus of the present invention, after the chassis in which the stud mounting hole is processed is seated on the jig frame in the center of the main frame by the robot device, each stud indentation apparatus operates simultaneously for each stud mounting hole of the chassis. Are automatically press-fitted into the corresponding stud mounting holes, and two types of stud press-fit devices are provided, in particular for pressing the studs on both the side and the front for one bottom chassis.

That is, in consideration of the fact that the studs are pressed into both the side and the front of the chassis with respect to one bottom chassis, a horizontal stud indentation device for performing the stud indentation on the side of the chassis and a stud press-in on the front of the chassis The vertical stud indentation apparatus to perform the.

Hereinafter, with reference to the accompanying drawings, the configuration of the automatic stud press according to the present invention will be described in detail.

Figure 3a is a front view of the stud auto-injection apparatus according to the present invention, Figure 3b is a plan view of the stud auto-indentation apparatus according to the present invention, Figure 3c is a side view of the stud auto-indentation apparatus according to the present invention.

First, in FIG. 3A to FIG. 3C, reference numeral 101 denotes a main frame 101 on which each component of the stud auto-pressing apparatus according to the present invention is installed and supported, and reference numeral 102 denotes a center on an upper surface of the main frame 101. Represents a mounting plate that is installed horizontally fixed to.

Here, the main frame 101 serves as a support under the device.

In addition, reference numeral 110 denotes a jig frame 110 to which the chassis 20 is fixed during stud indentation, and reference numeral 104 is fixedly installed via a predetermined support structure 103 installed vertically on the mounting plate 102, but the jig is fixed. The frame 110 shows a holder 104 having a rectangular frame structure fixedly installed at a lower peripheral position.

The stator 104 serves to support the stud indentations 250 and 350 of the horizontal stud indentation apparatus 200 and the vertical stud indentation apparatus 300 as described below.

In addition, reference numeral 120 denotes a support on which the chassis 20, which is fixedly installed on the chassis inlet side (left side) upper surface of the main frame 101 and which completes the operation of the previous process, is raised to stand by for stud indentation.

The support 120 is a support frame 121 is fixed in a form extending laterally to the upper surface of the chassis introduction portion of the main frame 101, a support plate 122 is fixed horizontally to the front end of the support frame 121, and the support It is configured to include a support frame 123 and the like horizontally fixed to the plate 122.

On the support frame 123 of the support 120, the chassis 20, in which the stud mounting holes are pre-processed, is placed at each predetermined position on the side and front to stand.

Reference numeral 40 denotes a conveyor through which the stud indentation is completed by the stud autoinjection apparatus 100 of the present invention is finally transferred, the conveyor 40 is in the stud autoinjection apparatus 100 of the present invention. It is a device for transferring the chassis 20, the stud indentation is completed by the subsequent process.

And, the stud auto-injection apparatus 100 of the present invention moves the chassis 20 waiting on the support 120 to the working position in the device for the stud indentation (being on the jig frame) and then the stud indentation is all And a transfer unit 130 for moving the completed chassis onto the conveyor 40.

The transfer device 130 is a first robot device 140 for moving the chassis 20 mounted on the support 120 to a working position (position where the chassis is fixed) on the jig frame 110 for stud press fitting operation. And a second robot device 150 for moving the chassis 20 in the correct position on the jig frame 110 where the stud press-fitting is completed onto the conveyor 40.

In FIG. 3A, reference numeral 140 denotes a first robot that moves the chassis 20 waiting on the support 120 to a fixed position on the jig frame 110 in the center of the main frame 101, that is, the work position where the stud press is made. Apparatus 140 and reference numeral 150 denotes a second robot apparatus 150 for moving the chassis 20 on which the stud press fitting is completed on the jig frame 110 onto the conveyor 40 on the right side of the drawing.

The first robot device 140 is located on the chassis inlet side of the main frame 101, that is, on the left side of the drawing, and the second robot device 150 is on the opposite side, that is, on the chassis outlet side of the main frame 101, That is, it is located on the right side of the drawing.

As a result, the chassis 20, which has completed the operation of the previous process in the stud auto-injection apparatus 100 of the present invention, is placed on the support 120 on the left side in the drawing of the main frame 101, and then waits for the first first on the left side. The chassis 20 is moved to the jig frame 110 in the center of the main frame 101 by the robot device 140, and the stud indentation is completed on the jig frame 110 to the second robot device 150 on the right side. It is moved above the conveyor 40 on the right side of the figure.

Then, the chassis 20 passed through the stud auto-injection apparatus 100 of the present invention is transferred to the next process by the conveyor 40.

In the present invention, the first robot device 140 and the second robot device 150 is configured to take the operation method of lifting the chassis 20 by the adsorption method and moving from left to right on the drawing, the conventional robot As the device is, it is configured such that the operation can be controlled by the controller 30.

In the present invention, the controller 30 includes the first robot device 140 and the second robot device 150, and various driving elements included in a device such as a pneumatic cylinder and a hydraulic cylinder, a vacuum pressure supply unit, and a compressed air supply unit which will be described later. It is a part that is responsible for the control of, and is responsible for the control of the various drive elements described above is a component that controls the overall operating state of the stud automatic press-fit device 100 according to the present invention.

Referring to the configuration of the embodiment of the first robot device 140 and the second robot device 150 applicable to the present invention.

The first robot device 140 and the second robot device 150 have a different purpose of use, but have the same configuration and operation state, and the two links, which are arranged vertically long and vertically, are rotatably coupled to each other in a joint area. It may be configured to use an electric motor as a driving device of each link.

More specifically, the upper ends of the first links 142 and 152 of two links connected in series with the upper ends of the support frames 141 and 151 fixedly installed at the chassis inlet side and the chassis outlet side of the main frame 101 are rotatably coupled to each other. Lower ends of the second links 143 and 153 are rotatably coupled to lower ends of the first links 142 and 152 and upper ends of the support frames 141 and 151 to which the upper ends of the first links 142 and 152 are coupled. At the lower ends of the first links 142 and 152 coupled with the lower ends of the first links 142 and 152, electric motors 144, 154, and 155 are installed as the link driving devices, respectively.

Here, the electric motors (144, 154) installed in the upper end of the support frame (141, 151) of each robot device (140, 150) is fixed to the upper end of the first link (142, 152) of the rotating shaft is rotated when the rotating shaft is driven when driving the first Rotating the link left and right, the electric motor 155 is installed on the lower end of the first link (142, 152) (the electric motor of the first robot device is not shown), its rotation axis is integrally fixed to the lower end of the second link (143, 153) As the rotary shaft is rotated during driving, the second link is rotated to the left and right.

In each of the robot devices 140 and 150, the electric motors 144 and 154 of the support frames 141 and 151 and the electric motors 155 of the first links 142 and 152 may have their rotation driving states independently controlled by the controller 30. To be provided.

In addition, in the first robot device 140 and the second robot device 150, the upper ends of the second links (143, 153), the horizontal support (146, 156) extending horizontally to the upper side of the main frame 101 is fixedly installed, the horizontal support Roughly rectangular crimp frames 147 and 157 are horizontally fixed to the lower surfaces of the front ends of the 146 and 156.

The first robot device 140 and the second robot device 150 have chassis fixing means 148 and 158 for fixing the chassis to the pressing frames 147 and 157 to move the chassis 20 in a fixed state. Next, the configuration of the chassis fixing means is as follows.

First, a plurality of vacuum adsorption parts 149 and 159 are directed downwards on lower surfaces of predetermined positions of both side edges of the compression frames 147 and 157, and each of the vacuum adsorption parts vacuum adsorption parts 149 and 159 is shown in FIG. As described above, the vacuum hoses 162 and 172 for applying the vacuum pressure are connected, and the vacuum hoses 162 and 172 are connected to an external vacuum pressure supply part (a kind of inhaler) 161 and 171.

As described above, the chassis 20 may be fixed to the lower surface of the compression frames 147 and 157 by the chassis fixing means 148 and 158 including the vacuum adsorption units 149 and 159, and the vacuum pressure supply units 161 and 171 may be controlled by the controller ( If the vacuum pressure is applied to each vacuum suction unit 149 and 159 while the suction force is generated at the same time, the suction force of the vacuum suction unit by the suction force is applied to the chassis 20 on the lower surfaces of the compression frames 147 and 157. It is fixed by adsorption.

Referring to the overall operating state of the transfer unit 130 in the present invention, in the state in which the chassis 20 is placed on the support 120, waiting, the first link 142 of the first robot device 140 And the second link 143 is laterally deployed to the support 120 by the forward rotation of each electric motor 144, the pressing frame 147 is moved to the upper side of the chassis 20 on the support 120. .

Thereafter, when the compression frame 147 is positioned above the chassis 20, when the vacuum adsorption unit 148 receives a vacuum pressure, the chassis 20 is adsorbed onto the lower surface of the compression frame 147 by its suction force. It is fixed.

Thereafter, the first link 142 and the second link 143 of the first robot device 140 are folded by the reverse rotation driving of each electric motor 144 to support the frame 141 of the first robot device 140. After returning to the) side, the operation continues to the opposite side, that is, toward the center of the main frame 101.

In this deployment operation, the compression frames 147 and 157 are moved to the upper side of the jig frame 110 of the main frame 101, and eventually, when the chassis 20 is seated above the jig frame 110 and placed in the correct working position, As the suction state of the vacuum suction unit 149 is released, the chassis fixed state of the compression frame 147 is released.

Thereafter, the links 142 and 143 of the first robot device 140 are folded to return to the support frame 141 to complete the transfer of the working position of the chassis.

In the process of conveying the working position of the chassis, the first link 142 and the second link 143 are rotated in opposite directions with the rotation axis of the motor as the center of rotation by the rotational driving of the respective electric motors 144. It will be deployed or folded.

Then, after the stud press-fit is completed in the state that the chassis 20 is seated and fixed on the jig frame 110, the stud press-fit chassis 20 is moved to the conveyor 40 by the second robot device 150. do.

The overall operation state of the second robot device 150, that is, the operation to go to the stud pressurized chassis 20 on the jig frame 110, the chassis 20 is fixed to the pressing frame (147, 157) and then the conveyor 40 ), And the first link 152 and the second link 153 are released again after releasing the adsorption fixation state of the vacuum adsorption unit 159 while the chassis 20 is seated on the conveyor 40. Since the operation of returning to the support frame 151 is the same as the operation of the first robot device 140, description thereof will be omitted.

On the other hand, in the stud auto-injection apparatus 100 of the present invention, the mounting plate 102 on which the stud supply unit 210 such as the vibration feeder 211 is installed and supported is fixed horizontally toward the center of the upper surface of the main frame 101. The jig frame 110 is horizontally mounted by a separate support structure 105 above the center of the mounting plate 102.

The jig frame 110 is a component in which the chassis 20 moved by the first robot device 140 is mounted and fixed horizontally during stud indentation. The jig frame 110 is mounted toward the center of the main frame 101. 20 is provided with a chassis fixing means for fixing the upper surface, the configuration of the chassis fixing means has a configuration similar to the chassis fixing means (148,158) of the first and second robot device (140,150) described above (Fig. Omit, it is similar to the chassis fixing means of the robot apparatus, see FIG. 4).

That is, a plurality of vacuum adsorption parts 112 are provided at a predetermined position on an upper surface of the jig frame 110, and a vacuum hose for applying vacuum pressure is connected to each vacuum adsorption part 112. Each vacuum hose is connected to an external vacuum pressure supply part (a kind of inhaler).

As described above, the chassis 20 may be fixed to the upper surface of the jig frame 110 by the chassis fixing means of the jig frame 110 including the vacuum adsorption unit 112. After the chassis 20 is horizontally raised above the jig frame 110, the vacuum pressure supply unit is operated under the control of the controller 30, so that the vacuum pressure is applied to the vacuum suction unit 112 of the jig frame 110. When the suction force is generated at the same time as the lock, the chassis 20 is sucked and fixed horizontally on the upper surface of the jig frame 110 by the suction force.

Next, a plurality of horizontal stud indenters 200 and a vertical stud indenter 300 are disposed and mounted at predetermined positions around the jig frame 110, respectively. ) Is a device for pressing the stud 10 to the side (vertical surface) (reference numeral 22 in FIG. 2) of the chassis 20 fixed on the jig frame 110, the vertical stud indentation device 300 is It is a device which press-fits the stud 10 to the front surface (horizontal surface) (it is 24 in FIG. 2).

When the chassis 20 is horizontally fixed on the jig frame 110, the side surface 22 of the chassis 20 into which the stud 10 is press-fitted becomes a vertical plane, and the front surface 24 of the chassis becomes a horizontal plane.

Therefore, the direction in which the stud penetrates through each stud mounting hole on the side of the chassis (vertical surface) becomes the horizontal direction, and the direction in which the stud penetrates through the stud mounting hole in the front surface (horizontal surface) becomes the vertical direction, so that the horizontal stud The press-fit device 200 presses the studs by applying a horizontal force to the side of the chassis, and the vertical stud press-fit device 300 presses the studs by applying a force in the vertical direction with respect to the front of the chassis.

Each stud indentation device of the horizontal and vertical type presses one stud with respect to the chassis, so that the studs can be press-fitted into a plurality of positions on the side and front of the chassis, and the vertical stud indentation device 200 and the vertical type. The stud indentation device 300 is basically installed by the number of studs to be pressed into the chassis.

Of course, the horizontal stud press-fit device 200 is installed at the side stud press-fitting position of the chassis around the jig frame 110, and the vertical stud press-fit device 300 is installed at the front stud press-fitting position of the chassis, respectively.

Referring to FIG. 3B, a plurality of stud indentation apparatuses 200 and 300 are disposed and installed along the periphery of the jig frame 110, and the stud indentation is performed on the side of the chassis and the stud indentation is performed on the front of the chassis. The stud indentation device of the selected type of horizontal type and vertical type is installed at each stud indentation position of the side or front side by dividing the position.

Reference numeral 211 denotes vibratory feeders fixedly mounted on the mounting plate 102, which is a device for supplying a stud 10 to be press-fitted into the chassis 20, to each stud press-fitting device. It is provided one by one.

First, the configuration of a horizontal stud indentation apparatus for pressing the stud in the horizontal direction on the side of the chassis in the stud automatic indentation apparatus of the present invention will be described with reference to the accompanying drawings.

Figure 5 is a perspective view of a horizontal stud indentation apparatus in the present invention, Figure 6 is a perspective view showing the stud supply and the stud feed unit in the horizontal stud indentation apparatus of the present invention, Figure 7 is a horizontal stud indentation apparatus of the present invention A perspective view showing a state in which a stud is transferred from a loading block by a transfer pin.

In addition, Figure 8a is a cross-sectional view showing the inside of the cam unit and the press-in unit constituting the stud press-in in the horizontal stud press-fit device shown in Figure 5, Figure 8b is a cam unit and press-fit in the horizontal stud press-fit device shown in FIG. Top view of the unit.

In addition, Figures 9a to 9d is an operating state diagram for explaining the process of the stud supplied from the stud supply unit in the horizontal stud press-fit device in the present invention is moved to the press-fit position of the cam.

The horizontal stud press-fit device 200 includes a stud supply unit 210 including a vibration feeder 211; A stud transfer unit 220 including a transfer bracket 232 and an actuator, a finger 249, an actuator, and the like; It is configured to include a stud indentation portion 250 for precisely injecting the stud 10 moved to the final indentation position into the stud mounting hole 23 of the chassis 20.

Here, the stud supply unit 210 is provided with a vibrating feeder 211 to move the stud 10 along the passage in the case 211a, and extends at the end of the passage of the vibrating feeder 211 to finalize the stud 10. It comprises a guide passage member 212, and a loading block 214 is fixed to the end of the passage member 212, the stud 10 guided by the passage member 212 is put.

The vibration feeder 211 may be used as a commercial product as shown, which is provided with a predetermined vibration actuator 211b under the case 211a, the stud (in the inner passage of the case 211a located on the upper side) When the vibration is applied to the case 211a by the vibration actuator 211b in the state 10), the stud 10 arranged along the inner passage of the case 211a is configured to move forward to the end of the inner passage. will be.

Thus, the vibration feeder 211 is a stud 10 arranged in a row on the inner passage of the case 211a is to move along the inner passage by the vibration of the case 211a, the vibration of the feeder 211 Since the detailed configuration is a known configuration that is already widely sold for commercial use, further description will be omitted.

The passage member 212 is bolted to the side of the case 211a of the vibrating feeder 211 and fixedly installed by the bracket 213, and the inner passage of the passage member 212 and the inner passage of the case 211a are straight. The inner passage end of the passage member 212 is connected to the inner passage of the loading block 214 to enable the movement of the stud (10).

The loading block 214 is composed of a combination of the upper block 215 and the lower block 216 is coupled to the upper end of the side bracket 217, the end of the passage member 212 by the side bracket 217 Position is fixed.

That is, the lower end of the side bracket 217 is coupled to the lower portion of the vibration feeder 211, and the upper block 215 and the lower block 216 are coupled to the upper end, and the upper block 215 and the lower block 216 as a whole. The loading block 214 is made of a form that is supported by the side bracket 217 and at the same time fixed to the end of the passage member 212.

The lower block 216 is in communication with the inner passage so that the stud movement with the inner passage of the passage member 212, the stud 10 guided by the passage member 212 finally the lower block ( After moving to the inner passage 216, the lower block 216 stops in the state caught by the stopper wall 215a formed at the front end of the inner passage.

In addition, the upper block 215 is provided with a contact sensor 218 for detecting that the transfer is started after the stud 10 is correctly loaded on the transfer pin 234 of the stud transfer unit 220, which will be described later. 218 is installed inside the upper block 215, and the stud 10 is vertically lifted by the transfer pin 234 and then contacted to output an electrical signal accordingly.

The touch sensor 218 is connected to the controller 30 for controlling the overall operation of the stud auto-injection apparatus 100 according to the present invention so that the output signal can be input, the controller 30 is the contact sensor 218 When the stud 10 reaches the final arrival position of the loading block 214 normally, it is loaded on the transfer pin 234 to determine that the normal stud transfer is started. The operation of the actuator is controlled sequentially.

FIG. 7 is a perspective view illustrating a state in which a stud is loaded in the loading block of the stud supply unit in the horizontal stud indentation apparatus of the present invention and a state in which the stud is transferred from the loading block by a transfer pin of the stud transfer unit described later.

As shown in FIG. 7, a stopper wall 215a is formed at the end of the inner passage of the lower block 216, and the entire upper and lower portions of the central portion of the stopper wall 215a and the center of the bottom surface of the lower block 216. A part of the slot 219 is formed to be cut so that the transfer pin 234 of the stud transfer unit 220 can enter and exit the loading block 214 in the vertical direction and horizontal direction.

The slot 219 is formed to be continuously connected from the bottom of the lower block 216 to the top of the stopper wall 215a. In particular, the width of the slot 219 is smaller than the outer diameter of the stud body portion 12, but the transfer pin ( It is larger than the outer diameter of 234, so that the transfer pin 234 passes but the stud 10 cannot pass.

Accordingly, the stud 10 entering the inner passage of the lower block 216 is caught by the stopper wall 215a so that it can no longer move and stop at the final arrival position.

Then, when the stud 10 guided through the passage member 212 and enters the inner passage of the lower block 216 is caught by the stopper wall 215a and placed in the stopped position, that is, the final reach position, the transfer pin moves thereafter. Bars that can be transferred to the outside from the loading block 214 in the fitted state 234, for the process of the transfer after the stud 10 is fitted to the transfer pin 234 will be described the operation state of the stud transfer unit 220 thereafter It will be mentioned in detail in the process.

Next, the stud feeder 220 transfers the stud 10, which has reached the final arrival position of the loading block 214 by the vibration feeder 211, to the cam 265 of the stud press-fit part 250 described later. As a part, the configuration of the stud feeder will be described with reference to FIGS. 5 and 6 as follows.

The stud feeder 220 is a straight line feeder 220a for linearly conveying the first stud 10 supplied to the final reaching position in the loading block 214 of the stud supply part 210 to the peripheral position of the stud press-fitting part 250. And a magnet installed on the cam 265 of the stud press-fitting part 250 after clamping the stud 10 transferred by the straight line moving part 220a and installed at a peripheral position of the stud press-fitting part 250. It comprises a finger unit 220b for moving to (permanent magnet) 269.

First of all, as a configuration of the linear transfer unit 220a, the linear actuator 220a includes a first actuator which is fixedly fixed to the side of the vibration feeder 211 in front and rear, and the first actuator is implemented as a pneumatic cylinder (called a first pneumatic cylinder). It is possible.

The first pneumatic cylinder 221 is fixed to the bracket is supported by the side of the vibration feeder 211 above the mounting plate 102 on which the vibration feeder 211 is mounted, the piston which moves forward and backward horizontally by pneumatic ( 222, and a lower movable block 223 movable forward and backward is fixedly coupled to the front end of the piston 222.

In addition, the lower side of the first pneumatic cylinder 221 is installed in a state in which the first guide rod 224 is horizontally arranged back and forth through the bracket 225 and the fixed block 226 coupled to each other, the lower movable block ( The lower portion of the lower movable block 223 is fixedly coupled to the front end of the first guide rod 224 while the upper portion of the 223 is fixedly coupled to the front end of the piston 222.

In FIG. 6, two upper and lower guide rods disposed in parallel with each other as the first guide rod 224 are installed side by side under the first pneumatic cylinder 221 and the piston 222.

In addition, an upper movable block 227 is positioned above the lower movable block 223, and a second actuator is installed vertically between the upper movable block 227 and the lower movable block 223, and the second actuator is installed. The actuator can be implemented with a pneumatic cylinder (called a second pneumatic cylinder).

The upper movable block 227 moves forward and backward integrally with the lower movable block 223 by the operation of the first pneumatic cylinder 221, as well as the upper movable block 227 by the operation of the second pneumatic cylinder 228. ), And the second pneumatic cylinder 228 is fixed to the lower movable block 223 and vertically moved forward and backward by pneumatic pressure in the second pneumatic cylinder 228. A piston (not shown) is fixedly coupled to the upper movable block 227.

In addition, between the upper movable block 227 and the lower movable block 223 is connected via a second guide rod 231, the second guide rod 231 is the upper end is fixedly coupled to the upper movable block 227 The lower end portion is slidably coupled to the lower movable block 223 in a closed state, and the upper and lower positions of the second guide rod 231 are fixed when the upper movable block 227 moves up and down when the piston moves forward and backward. It slides at the penetrating portion of the lower movable block 223.

In addition, a transfer bracket 232 is fixedly coupled to the upper movable block 227 so as to extend in a forward direction, and the transfer bracket 232 has a fastening portion 235 having a 'a' structure at a rear end thereof. The fastening part 235 is bolted to the front and side surfaces of the upper movable block 227 so that the transfer bracket 232 is integrally coupled to the upper movable block 227.

In addition, a pin block 233 is bolted to and fixedly coupled to the front end of the transfer bracket 232, and the pin block 233 has a structure in which a transfer pin 234 is protruded upward from an upper surface thereof. The pin 234 has a stepped structure in which the small diameter portion 234a at the upper end portion and the large diameter portion 234b at the lower portion thereof are integrated.

The small diameter portion 234a of the transfer pin 234 is inserted into the tab hole 13 of the stud 10, and the stud 10 is transferred to the small diameter portion 234a in the center tap hole 13 for the transfer. In the fitted state is coupled to the transfer pin 234 in the form spanning over the large diameter portion 234b.

In this configuration, when the first pneumatic cylinder 221 and the second pneumatic cylinder 228 are operated to move the lower movable block 223, the upper movable block 227, the transfer bracket 232, and the like, the stud 10 is moved. Is coupled to the transfer pin 234 and then straight forward to the position around the stud indentation 250.

Next, the finger unit 220b is attached to the magnet 269 installed in the cam 265 of the stud indentation unit 250 by receiving the stud 10 primarily transferred to the position around the stud indentation unit 250 as described above. As a component that makes it, it will be described as follows.

First, the third actuator is fixed to the lower part of the press-fit unit main body 252 before and after, and the third actuator can be implemented by a pneumatic cylinder (called a third pneumatic cylinder).

The third pneumatic cylinder 241 has a piston (not shown) that is advanced back and forth by pneumatic bar, the movable block 243 is fixedly coupled to the piston.

In addition, the guide bracket 244 bent in a 'b' shape around the movable block 243 is fixedly installed to surround the front and one side of the movable block 243, the side of the guide bracket 244 The dustproof slot 245 is provided to be formed long before and after.

The slot 245 of the guide bracket 244 has a front section 245a and a rear section 245c formed with different heights and is formed in the form of one stepped slot by being connected through the inclined section 245b. In the entire section, the front section 245a has a relatively low slotted height, and the rear section 245c has a relatively high slotted height.

In addition, two guide rods 246 fixedly fixed to the movable block 243 front and rear are penetrated and coupled at upper and lower positions, and the two guide rods 246 are fixedly coupled to the guide bracket 244 and the rear end thereof. It is supported and fixed by a separate bracket 247 installed on the additional press-fit unit body 252.

In addition, the side of the movable block 243, the rotation block 248 is coupled to the axis rotatably around the axis, the lower surface of the rotation block 248 stud (10) transferred by the transfer pin 234 ), The finger 249 for clamping) to the cam 265 is fixedly installed to the rear (long horizontal state of the pinker), the slot 245 of the guide bracket 244 on the side of the rotary block 248 The roller 251, which is inserted into and guides back and forth, is rotatably coupled to the roller.

In this case, the finger 249 is provided in a structure divided into two parts along the lengthwise direction so that the divided two parts can be elastically opened, the body portion 12 of the stud 10 at the tip portion The clamping part 249a which can bite the outer peripheral surface is formed.

The clamping portion 249a has an inner circumferential surface made of an arc-shaped curved surface corresponding to the outer circumferential surface shape of the stud body so that the body portion 12 of the stud 10 can be fitted therein, and the stud 10 at the end thereof. ) Is pushed inward after contact, the inclined surface (249b) is formed so that the clamping portion (249a) can be easily opened and fitted.

Accordingly, when the stud 10 coupled to the transfer pin 234 in contact with the inclined surface of the end of the clamping portion 249a is pushed into the clamping portion 249a while the finger 249 is laid horizontally, the finger The clamping portion 249a of the 249 is momentarily opened and then elastically gathered to bite the body portion 12 of the stud 10, and finally the stud 10 is inserted into the clamping portion 249a. (The studs are pulled apart by pushing against the inclined end of the clamping part and then inward).

The center of rotation of the rotation block 248, that is, the axis center of the rotation block 248 connected between the movable block 243 and the axis center of the roller 251 is eccentrically set by a predetermined distance. When 249 is in a horizontal state lying long to the rear (movable block and rotating block are pulled backward by the piston), the axis center of the roller 251 is ahead of the axis center of the rotation block 248 (finger) Eccentric to the opposite direction of the extended direction.

In addition, the rotary block 248 is moved back and forth with the movable block 243 by the piston forward and backward operation of the third pneumatic cylinder 241, the movable block 243 is pulled backward by the piston (piston and In the retracted state together), the rotation block 248 is also at the rear, so the position of the roller 251 is located in the rear section 245c, which is the higher section in the slot 245, where the finger 249 is positioned. The rotational position of the rotation block 248 is set so as to be in a horizontal state lying long behind.

When the piston is advanced by operating the third pneumatic cylinder 241 while the finger 249 is laid horizontally long, the movable block 243 and the rotation block 248 move forward together, and the roller 251 ) Is guided along the rear section 245c of the slot 245 and then guided to the front section through the inclined section 245b, and the rotation block 248 while the roller 251 is guided in the inclined section 245b. Rotates in the approximately 90 ° direction due to the eccentricity between the shaft center and the shaft center of the roller 251 (rotates in the lifting direction with the finger lying down), which results in the finger 249 being vertically The action to build up.

Thereafter, while the movable block 243 and the rotation block 248 continue to move forward and the roller 251 is guided along the front section 245a of the slot 245, the finger 249 is vertically placed. It is moved forward toward the cam 265.

On the other hand, the stud indentation unit 250 is a component that presses the stud 10 transferred by the stud supply unit 210 and the stud transfer unit 220 into the stud mounting hole 23 of the chassis 20, The configuration thereof will be described with reference to the drawings.

The stud press-fit part 250 has a configuration in which the press-fit unit 251 and the cam unit 261 are integrally assembled, and the press-fit head 254 of the press-fit unit 251 and the cam 265 of the cam unit 261 are provided. In this case, the stud 10 is press-fitted by applying a force in opposite directions with the side portions (22 in FIG. 2) of the chassis 20 into which the stud 10 is press-fitted.

First, the press-fit unit 251 is mounted in the form of a press-fit unit main body 252, a hydraulic cylinder 253 for generating the hydraulic pressure, and a piston of the hydraulic cylinder 253, the hydraulic pressure generated inside the hydraulic cylinder 253 By the press-fit head 254 to move forward and backward, and the centering means 255 for adjusting the position of the stud 10 to the press-fitting position at the time of the press-fit and at the same time fixed.

The press-fit unit main body 252 has a configuration in which the cam unit main body 262 is integrally assembled as shown in FIGS. 5 and 8A, and the hydraulic cylinder 253 is integrally assembled and fixed to the upper portion.

The hydraulic cylinder 253 is horizontally assembled and fixed to the upper part of the press-fit unit main body 252, the press-fit head 254 installed to protrude horizontally from the front end therein, such a press-fit head 254 is When the hydraulic cylinder 253 is operated, it is moved forward and backward in the horizontal direction by the force of the hydraulic pressure generated therein.

In order to press the stud 10 into the stud mounting hole 23 of the chassis 20, a large working force (pressing force) is required, and this large working force may be provided by hydraulic pressure, as described above. It is preferable to use a hydraulic device that can exert a large pressing force as a component for press-fitting).

In particular, the press-fit head 254 in the press-fit unit 251 should be able to apply a sufficient pressing force required for stud press-fitting, in the press-fit unit 251 of the present invention, the actuator for driving the press-fit head 254 hydraulic cylinder It consists of 253, and the press head 254 which applies the force required for stud press injection is comprised in the form of the piston of the hydraulic cylinder 253 which moves forward and backward by hydraulic force.

The hydraulic cylinder 253 and the press head 254 constituting the press-fit unit 251 of the present invention have a large difference in construction or basic operation principle when compared with a general hydraulic apparatus including a hydraulic cylinder and a piston controlled by a controller. There is no.

Meanwhile, the centering means 255 adjusts the stud position on the cam 265 to the press fit position and simultaneously fixes the stud position so that the stud position is exactly matched with the stud mounting hole position of the chassis during the press fit. It is wealth.

The centering means 255 holds the stud center position to match the stud mounting hole center position while the pressing force by the press-fit head 254 is applied, so that the flange 14 of the stud 10 has the stud mounting hole 23. It is to assist in accurately indenting the inside.

Referring to the configuration of the centering means 255, first, in the indentation unit 251, the inside of the indentation head 254 has a movable rod 256 that can be moved back and forth separately from the indentation head 254, The movable rod 256 is disposed coaxially inside the press-fit head 254.

In addition, the front end portion of the movable rod 256 is fixedly coupled to the pin portion (256a), in particular, the pin portion (256a) has a structure in which the centering pin (256b) is integrally formed at the front end, the movable rod ( The centering pin 256b protrudes forward from the front end of the press head 254 or is inserted into the front end as the 256 is moved back and forth within the press head 254.

The front end of the press-fit head 254 is formed along the center of the passage 254a of the inner diameter approximately coincident with the outer diameter of the stud body 12, the movable rod 256 through the interior of the passage (254a) Of the pin portion 256a is moved forward and backward as well as the pin portion 256a and the centering pin 256b protrudes forward of the press-fit head 254, and a pressing force by the push-in head 254 is applied when the stud presses are pressed. When the movable rod 256 is pushed back, the stud body 12 is inserted into the passage 254a. (As the hydraulic force is stronger than the pneumatic force, the cam moving by the hydraulic force moves the stud. The movable rod is pushed back with the studs when pushed from behind).

In addition, the centering means 255 is formed integrally with the rear end of the hydraulic cylinder 253 and includes a pneumatic cylinder unit 257 for operating the movable rod 256 by the force of the pneumatic force, the pneumatic cylinder unit ( 257 is connected to a pneumatic hose 258 from an external compressed air supply unit (not shown) for selectively supplying compressed air under the control of the controller 30, and the pneumatic cylinder unit 257 is pneumatic Compressed air is supplied through the hose 258 to advance the movable rod 256 by the force of the pneumatic pressure generated at this time.

Thus, the movable rod 256 is provided in the form of a piston of the pneumatic cylinder 257, it is to be advanced by the force of the pneumatic force provided through the pneumatic hose 258.

In the centering means 255, when the movable rod 256 moves forward and the pin portion 256a protrudes toward the press-fit head 254 by a predetermined distance, the centering pin 256b at the end of the pin portion 256a is sashed. After passing through the stud mounting hole 23 of 20) is inserted into the tab hole 13 of the stud 10 attached to the cam 265 is coupled to the stud.

Next, the cam unit will be described.

The cam unit 261 is integrally assembled with the press-fit unit 251 and supports the stud 10 on the opposite side of the press-in head 254 during the press-fitting of the stud, and moves together with the press-in unit main body 252 at the same time. The stud 10 is pushed into the stud mounting hole 23 on the side of the chassis 20 by applying a force in a direction opposite to the press head 254 protruding from the press unit unit 252.

As shown in FIG. 5 and FIG. 8A, the cam unit 261 includes a cam unit body 262 integrally assembled to the press-fit unit main body 252 forward, a cylindrical block body 264 and a cam 265. The cam block 263 is provided in an integrally formed structure, and is rotatably coupled to the central axis of the cam unit body 262, and an actuator for rotating the cam block 263.

Here, the cam block 263 is assembled to the cam unit body 262 by rotatably coupling the cylindrical block 264 on the central axis of the cam unit body 262 extending horizontally forward. In this state, the cam 265 integrally formed at the front end of the cylindrical block body 264 is positioned in front of the press-fit head 254.

The crank arm 268 is bolted and fixed to the end of the cylindrical block 264 opposite to the cam 265 formation position in the cam block 263. The front end of the crank arm 268 is entirely cam block 263. It is coupled to the actuator for driving the rotation.

The actuator may be implemented as a pneumatic cylinder arranged vertically long, the connecting member 267a of the piston 267 which is moved up and down in the pneumatic cylinder 266 is hinged to the distal end of the crank arm 268 In addition, the lower end of the pneumatic cylinder 266 is hinged to the bracket 259 coupled to the lower end of the press-fit unit main body 252 so that the entire cam block 263 can be rotated by the forward and backward operation of the piston 267. .

As a result, when the piston 267 of the pneumatic cylinder 266 moves forward or backward, the cam block 263 may rotate integrally in the same direction while the crank arm 268 rotates. Thus, the piston 267 The pneumatic cylinder 266 rotates about the lower end hinge point 266a within a predetermined angle while the crank arm 268 and the cam block 263 are rotated back and forth.

In addition, a magnet (permanent magnet) 269 is provided at a predetermined position on the front surface of the cam 265 in the cam unit 261 configured as described above so that the stud 10 transferred by the finger 249 can be attached by magnetic force. Insert is installed.

The magnet 269 has a flange 14 portion of the stud 10 fitted to the clamping portion 249a when the finger 249 is fully raised while the piston 267 of the pneumatic cylinder 266 is fully retracted downward. The cam 265 is in contact with the front position.

The portion of the stud 10 attached to the magnet 269 of the cam 265 becomes the flange 14 portion, and the cam 265 supports the flange 14 of the stud 10 from behind and simultaneously pushes it. The flange 14 of the stud 10 is pressed into the stud mounting hole 23 of the chassis 20.

In addition, the cam 265 has a shape where the magnet 269 is provided with a portion 265a having a relatively thin thickness, and the opposite portion 265b has a relatively thick thickness, and the stud 10 has a relatively thick thickness. The position on the front surface of the cam 265 where the stud 10 is positioned when press-fitted into the stud mounting hole 23 of the chassis 20 (hereinafter referred to as the press-fitting position of the cam) is thickly formed portion 265b. Becomes the position of.

That is, the stud 10 is once attached to the magnet 269 installed in the thin portion 265a, the cam 265 is rotated to move upwards, and after the cam 265 is completely rotated The stud 10 is positioned in front of the stud mounting hole 23 and the press head 254 of the chassis 20 while being attached to the magnet 269. Thus, the stud 10 is inserted into the stud mounting hole 23 and the press-fit. The stud 10 is positioned in front of the head 254 in front of the head 254 by the centering pin 256b in the indentation head 254, and then only the cam 265 is rotated again to reverse the stud 10. The position is changed to the press-fitting position of the thickly formed portion 265b along the front surface of the cam 265, and thus the stud 10 is fixed to the press-fitting position of the thickly formed portion 265b. Indentation takes place at

This is to allow the cam 265 to receive a large force by making the portion of the cam 265 supporting the stud flange 14 at the time of press fitting the stud flange 14 thickly formed (actually the thick of the cam). Part to push the stud flange in the pressing direction) (see FIGS. 10A-10D).

On the other hand, in the stud press-fitting part 250, the press-fitting unit 251 and the cam unit 261 are coupled to the fixing base 104 on the upper side of the mounting plate 102 so as to be movable back and forth by a predetermined clearance distance in an integrated state. Supported bar, the fixed block 271 is coupled to the fixing stand 104, and is coupled to the fixed block 271 so as to be forward and backward through one end is integrally coupled to the lower portion of the press-fit unit body 252 is supported. The guide rod 272 is installed so that the guide rod 272 is moved forward and backward in the form of sliding in the fixed block 271 so that the entire press-fit unit 251 and the cam unit 261 can be moved back and forth.

Thus, the configuration of the horizontal stud indentation apparatus of the present invention has been described in detail, the horizontal stud indentation apparatus 200 in the state that the chassis 20 is fixed on the jig frame (reference numeral 110 in Fig. 3a). The process of stud indentation by means of the above is as follows.

In the state where the chassis is fixed on the jig frame 110, the stud mounting hole 23 on the side of the chassis 20 on which the stud 10 is press-fitted is positioned in front of the press-fit head 254 of the stud press-fit part 250. .

First, when the stud 10 is supplied into the loading block 214 through the passage member 212 by the vibration feeder 211, the second pneumatic cylinder 228 and the first pneumatic cylinder 221 of the stud feeder 220 ) Is sequentially operated so that the stud 10 is coupled to the transfer pin 234 and then moved to the front finger 249 from the loading block 214.

In this case, as shown in FIG. 7, when the second pneumatic cylinder 228 is operated under the control of the controller 30, the transfer pin 234 is vertically raised (upper movable block is raised) and the lower portion of the loading block 214 is lowered. It is coupled to the tap hole 13 of the stud 10 reached in the block 216, and then the vertical rise of the transfer pin 234 to raise the coupled stud 10 in contact with the contact sensor 218. do.

Thereafter, when the first pneumatic cylinder 221 operates under the control of the controller 30 receiving the signal from the contact sensor 218, the transfer bracket 232 and the transfer pin 234 move horizontally (upper movable block and lower portion). The movable block is horizontally advanced together), wherein the stud 10 is horizontally moved forward through the top of the stopper wall 215a of the lower block 216 while being coupled to the transfer pin 234.

When the stud 10 is horizontally conveyed to some extent as described above, the horizontal contact with the clamping portion 249a of the finger 249 lying horizontally, and the stud 10 is pushed into the clamping portion 249a. Clamped by finger 249.

Thereafter, as described above, the third pneumatic cylinder 241 of the finger unit 220b is operated under the control of the controller 30 to operate the finger 249, and thus the clamping part 249a of the finger 249 is operated. The stud 10, which is clamped in the &lt; RTI ID = 0.0 &gt;), is moved to the magnet 269 of the cam 265 and then attached.

After the stud is attached to the magnet 269 of the cam 265, the third pneumatic cylinder 241 of the finger unit 220b operates in reverse, so that the finger 249 is laid down again. The stud 10 is separated from the clamping portion 249a of the finger 249 since the finger 249 is laid down while the stud 10 is attached to the magnet 269 by magnetic force.

Thereafter, the pneumatic cylinder 266 of the cam unit 261 is operated under the control of the controller 30 so that the cam 265 rotates. At this time, the piston 267 of the pneumatic cylinder 266 is raised to raise the crank arm 268. The entire cam block 263 is rotated by the medium and the stud 10 is positioned in front of the press-fit head 254 in a state where the operation of the pneumatic cylinder 266 is completed, that is, the cam 265 is rotated. (See FIG. 8A).

Thereafter, under the control of the controller 30, each actuator of the stud indentation unit 250 is sequentially operated to press-fit the stud.

First, the movable rod 256 is advanced by the operation of the pneumatic cylinder unit 257, and the centering pin 256b of the movable rod 256 is the stud mounting hole 23 on the side of the chassis 20 in the state where the final operation is completed. ) Is coupled to the tab hole 13 of the stud 10 attached to the magnet 269 of the cam 265.

In this state, when the pneumatic cylinder 266 of the cam unit 261 operates in reverse, and the cam 265 rotates in the reverse direction, the position of the stud 10 is fixed by the centering pin 256b. 265) it is fixed at the final indentation position above (only the cam is rotated with the stud position fixed).

At this time, the cam 265 is rotated in the edge Z-bending portion of the chassis 20, the stud 10 is a thick portion of the cam 265 in the state that the cam 265 has completed the rotation in the reverse direction as described above Position fixed at 265b (see FIG. 9D).

10A to 10D are diagrams showing a state in which the press-fit is performed while the stud is fixed to the final press-fit position on the cam by the centering pin. The state immediately before the press-fit is shown by the stud 10 by the centering pin 256b. It is a state fixed to the thick part 265b of the cam 265.

As shown, the chassis 20 is press-fitting of the stud 10 in a state that is completely fixed to the jig frame 110 without changing the position, first, the hydraulic cylinder 253 is operated under the control of the controller 30 When the indentation head 254 is moved forward, and the end of the indentation head 254 touches the side (vertical surface) of the chassis 20, the hydraulic cylinder 253 continues to operate, the indentation head 254 is projected forward. Since the chassis 20 is fixed with respect to this, the entire press-fit unit 251 except the press-fit head 254 and the entire cam unit 261 are pushed back by the play.

At this time, since the cam 265 pushes the stud 10 from the rear, the milia body 12 is moved forward by the cam 265 while the stud 10 is engaged with the centering pin 256b. 20) After passing through the stud mounting hole 23 on the side, it is inserted into the passage 254a in the front end of the press-fit head 254, and eventually the cam 265 pushes the stud 10 behind, and at the same time the press-fit head 254 Becomes the shape that supports the side (vertical surface) of the chassis 20 on the opposite side, the press fitting is made that the flange 14 of the stud 10 is fitted to the stud mounting hole 23 of the chassis side.

As such, when the body 12 of the stud 10 is inserted into the press head front end passage 254a at the time of the forward projecting operation of the press head 254, the end of the press head 254 is the chassis 20. Press the side (vertical surface) of the front to the front, the cam 265 is applied to the flange 14 of the stud 10 to the opposite force is made to press the stud.

Next, the configuration of the vertical stud indentation apparatus for press-fitting the stud 10 in the vertical direction on the front of the chassis in the automatic stud indentation apparatus of the present invention will be described with reference to the accompanying drawings.

In the present invention, the vertical stud press-fitting device 300 includes a stud supply part 310 including a vibration feeder 311 and a pickup device part 314; A stud feeder 330 including a feed tube 332 and a compressed air supply part, a finger 345, an actuator, and the like; It is configured to include a stud indentation portion 350 for precisely injecting the stud 10 moved to the final indentation position into the stud mounting hole (24 in FIG. 2) of the chassis.

11 is a perspective view of the stud supply unit in the vertical stud indentation apparatus in the present invention, Figure 12 is an enlarged perspective view of the pickup unit for finally moving the stud toward the inlet in the stud supply unit shown in Figure 11, Figure 13 is in Figure 12 It is a perspective view showing the operating state of the pickup apparatus shown.

First, the stud supply unit 310 is installed in the vibrating feeder 311 to move the stud 10 along the passage in the case 311a, and extends at the end of the passage of the vibrating feeder 311 to finalize the stud 10. A guide passage member 312 and the stud 10 which is fixedly installed at the end of the passage member 312 and connected to the transfer tube 332 to the lower end and guided by the passage member 312 are connected to the pickup device. It is configured to include an input pipe 313 that is finally injected by 314.

Here, since the configuration of the vibration feeder 311 and the passage member 312 is not particularly different from that of the horizontal stud indentation apparatus 200, description thereof will be omitted.

The inlet pipe 313 has a pipe structure in which the inner passage is formed vertically downward, the upper inlet 313a is installed in a fixed state on the lower surface of the bracket portion 312a protruding at the end of the passage member 312, One side of the upper inlet 313a is connected to the end of the inner passage of the passage member 312 to allow the stud movement in the open state, and the transport tube 332 is connected to the lower outlet 313b.

In addition, the stud supply part 310 includes a pickup device part 314, and the pickup device part 314 passes the stud 10 guided to the end of the passage member 312, and the inner passage of the input pipe 313. As a component to be finally moved into the feed tube 332 to be moved, the configuration will be described as follows.

A support bracket 315 is fixedly installed on the side of the vibration feeder 311 so as to be located at the side of the passage member 312, and a fixed block 316 is located on the side of the support bracket 315 at the side of the passage member 312. ) Is bolted and fixed.

In addition, the fixing block 316 is fixed to the two guide rods 317 arranged to extend horizontally in the front in the upper and lower two positions, the movable block 318 is coupled through the two guide rods 317 through the bar The movable block 318 is configured to be movable back and forth on the lengths of the two guide rods 317.

The lower end of the rotating member 319 is hinged to the upper end of the movable block 318, and the rotating member 319 rotates around the hinge coupling part 319a at the lower end of the movable block 318. It is installed to be possible.

In addition, the pick-up head 321 of the transverse direction is fixedly installed on the side of the front protrusion 319b at the top of the rotation member 319, and the pick-up pin 322 protrudes downward on one side of the circumferential surface of the pick-up head 321. Is formed.

In addition, an actuator for operating the pickup head 321 is horizontally installed at an upper end of the support bracket 315, and the actuator may be implemented by a pneumatic cylinder 323.

The pneumatic cylinder 323 has a piston 324 that is moved forward and backward horizontally, the front end of the piston 324 slot (not shown) formed in the rear projection (319c) of the upper end of the rotating member 319 Is hinged to.

In the pickup device 314 having such a configuration, when the pneumatic cylinder 323 is operated and the piston 324 is advanced as shown by the arrow of FIG. 11, the piston 324 moves the pivot member 319 forward. Will be flipped over.

In addition, when the rotating member 319 is rotated on the movable block 318 while being leaned forward as described above, the pickup head 321 around the hinge coupling portion 319a between the rotating member 319 and the movable block 318. At the same time as drawing the circular arc trajectory down and the pickup pin 322 is rotated downward is inserted into the tab hole 13 of the stud 10 waiting at the end of the passage member 312.

As such, when the pickup pin 322 is inserted into the tab hole 13 of the stud 10 and then the piston 324 continues to move forward, the hinge pin 325 between the piston 324 and the rotating member 319 is provided. The movable block 318 moves forward along the guide rod 317 while reaching the slot end of the rotating member 319 and constraining the rotation of the rotating member 319.

When the movable block 318 moves forward in this way, the pivot member 319 and the pickup head 321 move forward together with the pick-up pin 322 inserted into the tab hole 13 of the stud 10. As a result, the position of the pickup head 321 moves forward and at the same time, the pickup pin 322 is inserted into the tab hole 13 of the stud 10 so that the stud 10 is moved forward through the inner passage of the feed pipe 313. Will be moved.

Thus, when the stud 10 is moved forward and finally moved to the inner passage (vertical passage) position of the input pipe 313, the stud 10 is separated from the pickup pin 322 into the feed tube 332, Falls.

Next, the stud transfer unit 330 is a configuration for transferring the stud 10 supplied into the input pipe 313 to the press pin 384 of the stud press unit 350 to be described later, the configuration will be described As follows.

14 is a perspective view illustrating a stud feed unit including a finger unit and a stud press unit including a press unit and a centering unit in the vertical stud press unit of the present invention.

15 is a cross-sectional view showing the main configuration of the stud indentation unit shown in Figure 14, Figure 16 is a plan view of the stud indentation unit shown in Figure 14, Figures 17 and 18 is a finger unit in the vertical stud indentation apparatus of the present invention And front and side views of the stud press-fit part, respectively.

19 is a perspective view showing the operating state of the finger in the vertical stud indentation apparatus of the present invention, Figure 20 is a perspective view showing the operating state of the centering unit in the vertical stud indentation apparatus of the present invention.

The stud transfer unit 330 is the air to primarily transfer the stud 10 supplied to the inner passage of the input pipe 313 of the stud supply unit 310 to the position around the stud indentation unit 350 through the transfer tube 332 Pipe feeding unit 331 of the pressure feeding method, and the stud 10 is installed in the position around the stud press-fitting unit 350 and the last horizontal transfer of the stud 10 transferred through the transfer tube 332 to the press-fit position in the stud press-fitting unit 350 It consists of a finger unit (341).

The pipe conveying part 331 is a transport tube connected to the stud fitting part 350 around the stud press-fitting part 350 from the inner passage (vertical passage) of the input pipe 313, more specifically, to the stud seat 335 around the finger unit 341 ( 332 and a stud 10 introduced into the transfer tube 332 by providing high pressure compressed air through a compressed air tube 333 connected to an upstream side of the transfer tube 332 by operating under the control of the controller 30. It is configured to include a compressed air supply unit (not shown) for pressing the stud mounting table (335).

Here, the compressed air tube 333 is connected to a compressed air tank capable of storing and supplying compressed air as the compressed air supply unit or a compressed air generating device of a known type that can generate and provide compressed air.

The pipe conveying part 331 of this configuration is provided with a high-pressure compressed air into the conveying tube 332 through the compressed air tube 333, and introduced into the conveying tube 332 through the inner passage of the input tube 313. By strongly pushing the stud 10 with the force of compressed air, the stud 10 is pushed to the stud seat 335 through the transfer tube 332.

The stud seat 335 is fixedly installed on the side of the lower body 357 of the indentation unit of the stud indentation unit 350 to be described later, the guide body 336 is installed vertically long and the guide body 336 to the outside It comprises a cover 337 to be assembled, the lower end of the cover 337 in the state through the lower block 336a of the guide body 336 through the press-in the lower main body of the stud indentation (350) 357) is fixedly installed by bolting to the side part.

The guide body 336 has a tube connection part 336b through which the transfer tube 332 from the input pipe 313 is connected to the center of the lower block 336a, and is vertically penetrated, and vertically upward of the lower block 336a. The tubular guide part 336c extended upward is integrally formed.

Therefore, the final arrival position after the stud 10 introduced through the conveying tube 332 by the compressed air in the state in which the conveying tube 332 is fitted to the tube connecting portion 336b is guided upward along the guide portion 336c. It will settle on.

In addition, the upper end portion of the cover body 337 of the stud seat 335 is horizontally bent stopper 337a so that the stud 10, which is compressed by compressed air, is guided upward along the guide portion 336c and then is stopped. ) Is formed, and a contact sensor 338 for detecting the arrival of the stud 10 is installed below the stopper 337a.

The contact sensor 338 is configured to output an electrical signal according to the contact of the stud 10.

In addition, the contact sensor 338 is connected to the controller 30 for controlling the overall operation of the stud auto-injection apparatus 100 according to the present invention to enable the input of the output signal, the controller 30 is a contact sensor ( When the output signal of the 338 is received, it is determined that the stud 10 normally reaches a predetermined position in the stud seat 335, and the actuator and the stud press-fitting part for driving the actuator, ie, the finger 345, which require driving afterwards. 350 to sequentially control the operation of the actuator for driving.

In the stud seat 335, the stud 10 guided upward through the guide portion 336c after entering through the transfer tube 332 can be maintained in the final arrival position by a predetermined means. To this end, for example, an attachment means such as a magnet capable of fixing a stud may be provided to be fixed around a final stud arrival position therein to maintain a seated state after the stud is attached to the magnet.

In addition, the finger unit 341 vertically moves the stud 10, which is transferred and seated to the stud seat 335 by the pipe conveying part 331, by the press-fitting position of the stud press-fitting part 350 (by the operation of the stud press-fitting part). To the pneumatic cylinder 342 fixedly mounted in the left and right transverse direction in front of the stud indentation unit 350 and the piston 343 of the pneumatic cylinder 342. The movable block 344 is fixedly coupled to the front end of the movable block 344, and the finger 345 is fixedly installed so as to be disposed long in the left and right transverse direction of the stud press-fitting portion (350).

Here, the pneumatic cylinder 342 is provided integrally with the first fixed block 346, the first fixed block 346 is fixed to the front of the press-fitting lower body 357 of the stud press-fitting unit 350 The pneumatic cylinder 342 is fixed to the bracket 347, and the pneumatic cylinder 342 is fixedly supported at the front of the stud press-fitting part 350 by the support bracket 347 via the first fixing block 346, and the piston 343. ) Is mounted so that the traveling direction of the () is in the left and right transverse direction with respect to the stud indentation (350).

In addition, the movable block 344 is coupled to the first fixed block 346 and the guide rod 348 in a state of being fixedly coupled to the piston 343 of the pneumatic cylinder 342, where the guide rod 348 The first end is fixed to the movable block 344 in a coupled state through the first fixing block 346, and is coupled to the first fixing block 346 so as to be able to move back and forth.

As a result, the movable block 344 is moved back and forth by the forward and backward operation of the piston 343, and the guide rod 348 is moved forward and backward in the first fixed block 346 to support the movable block 344. .

In addition, one end of the finger 345 is fixed by being bolted to the front end of the movable block 344, which is also installed long in the left and right transverse direction of the stud press-fitting part 350, the moving direction of the piston (343) (movable block) Is arranged long in a direction parallel to).

In addition, the finger 345 is provided with a structure that is divided into two parts along the length direction in the same way as the horizontal stud indentation device 200 has a structure in which the two divided parts can be elastically opened, the other An end portion of the stud 10 is formed with a clamping portion 345a that can bury the outer circumferential surface of the body portion 12.

The clamping portion 345a has an inner circumferential surface of an arc-shaped curved surface corresponding to the outer circumferential surface shape of the body portion 12 of the stud 10 so that the body portion 12 of the stud 10 can be fitted therein. In addition, the end is inclined surface 345b is formed so that the clamping portion (345a) can be easily opened while being pushed inward after the stud 10 is in contact.

As the piston 343 of the pneumatic cylinder 342 moves forward and backward in the finger unit 341 made as described above, the finger 345 moves forward and backward in the same direction as the piston 343 together with the movable block 344. In the state where the piston 343 is pulled and finally retracted, the clamping portion 345a of the finger 345 may be fitted with the press pin 384 of the stud press portion 350 to be described later into the tab hole 13 of the stud 10. It is supposed to be located at the location.

That is, the clamping portion 345a of the finger 345 and the stud 10 clamped thereto in the state in which the piston 343 is finally retracted are press-fit head 383 and press-fit pin 384 of the stud press-fitting portion 350. It is located in the upright position.

In the finger unit 341, the pneumatic cylinder 342 operates while the finger 345 is horizontally moved in a straight line, and in particular, the clamping part 345a moves the stud seat 335 while the finger 345 is horizontally moved. After passing through and clamping the stud 10, the stud indentation portion 350 is moved to the final indentation position, that is, the position directly above the indentation head 383 and the indentation pin 384 of the stud indentation portion 350.

The process of moving the stud by the finger unit in more detail as follows.

After the stud 10 is transferred to the inside of the stud seat 335 through the transfer tube 332 and seated, the contact sensor 338 detects the signal of the stud 10 and outputs a signal to the contact sensor 338. The controller 30 receiving the signal determines that the stud 10 is seated at a predetermined position and operates the pneumatic cylinder 342 of the finger unit 341.

At this time, the pneumatic cylinder 342 is operated in the direction of retraction in the state where the piston 343 is advanced, and when the piston 343 is reversed by the operation of the pneumatic cylinder 342, the finger together with the movable block 344 345 is pulled back so that the inclined end surface 345b of the clamping portion of the finger 345 is in contact with the stud 10 of the stud seat 335.

Here, as the finger 345 continues to retreat backwards, the clamping portion 345a of the finger 345 is momentarily opened and then elastically gathered to bite the body portion 12 of the stud 10, and eventually clamping. The stud 10 is inserted into the inside of the portion 345a (the stud is pushed open while pushing the inclined surface of the clamping end) and then enters the inside.

Then, when the piston 343 continues to move backward, the stud 10 fitted into the clamping portion 345a of the finger 345 is moved to the press-fit position as shown in FIG. 19, and thus the stud 10 is press-fitted. When moved to the position is positioned directly on the press pin 384 of the press head (383).

Thereafter, the stud 10 may be press-fitted into the stud mounting hole 24 of the chassis 20 by the operation of the stud press-fit unit 350.

On the other hand, the stud indentation unit 350 of the vertical stud indentation device 300 is the stud mounting hole 24 of the chassis 20 to move the stud 10 moved to the final indentation position by the stud transfer unit 330 as described above ) Is a component that is press-fitted exactly), and its configuration will be described as follows.

The stud press-fitting unit 350 of the vertical stud press-fitting apparatus 300 includes a front and rear position adjusting unit 351 operated by pneumatic pressure, and a jig frame 110 and a chassis 20 by the front and rear position adjusting unit 351. , A press-fitting unit main body 356 whose front and rear positions are adjusted with respect to the fixed base 104, a centering unit 372 installed on the upper main body 366 of the press-fitting main unit 356 and operated by pneumatic pressure, and the press-fitting The lower main body 357 of the sub main body 356 is configured to include a press-fit unit 381 installed through a vertical axis 359 to operate by hydraulic pressure, and the centering unit 372 and the press-fit unit 381 are The press-fit part main body 356, the centering unit 372, and the press-fit unit 381 as a whole are installed on the press-fitting unit main body 356. 104).

First, the press-fitting unit body 356, the centering unit 372, and the press-fitting unit 381 are mutually assembled to move together in the front-back direction, and the front-back position adjusting unit 351 is the press-fitting unit main body 356. And the centering unit 372 and the front and rear positions of the press-fit unit 381 to adjust the position where the stud press-fit is possible with respect to the chassis 20.

That is, after the chassis 20 is fixed to the jig frame 110 while the press-fitting unit main body 356, the centering unit 372, and the press-fit unit 381 are positioned rearward, the front and rear position adjusting units 351 are fixed. ) Pulls the indentation unit body 356, the centering unit 372, and the indentation unit 381 to the front to move to the position where the studs can be pressurized, the indentation unit body 356 and the centering unit 372, the indentation unit The position 381 is adjusted with respect to the chassis 20 fixed on the jig frame 110 from a position which is first backed off to a position which can later be used for stud indentation.

This position adjustment allows the press-fit head 383 of the press-fit unit 381 to be positioned below the edge front (horizontal plane) portion of the chassis 20, in particular, the press-fit head 383 is studd. 10 is positioned directly below the stud mounting hole 24 of the chassis 20 to be press-fitted.

Of course, when the stud press-fitting is completed, the positions of the press-fitting unit main body 356, the centering unit 372, and the press-fitting unit 381 are adjusted to the position backed back by the front and rear position adjusting unit 351 (first and In the rearward position together).

In summary, the press-fitting unit body 356, the centering unit 372, and the press-fit unit 381 are provided by the operation of the front-back position adjusting unit 351 so that the chassis 20 can be transported and seated on the jig frame 110. After the chassis 20 is fixed to the working position on the jig frame 110, the press-fit unit body 356, the centering unit 372, and the press-fit unit 381 are capable of press-fitting the stud. After moving forward to the position, and after the stud indentation is all completed is to move back to the initial position, that is, back to the back position for the transfer of the chassis 20 again.

The front and rear position adjusting unit 351 includes a pneumatic cylinder (353) is fixed to the upper side of the second fixing block 352 on the fixing table 104, the pneumatic cylinder (353) is the direction of travel of the piston 354 It is mounted so as to be in the front-rear direction, and the piston 354 is fixedly coupled to the lower main body 357.

At this time, the press-fit lower body 357 is separately coupled to the second fixing block 352 and the guide rod 355 in a state that is fixedly coupled to the piston 354 of the pneumatic cylinder (353), the guide rod ( One end portion 355 is fixedly coupled to the indentation lower body 357 in a state of being coupled through the second fixing block 352, and in particular, the guide rod 355 may move forward and backward with the second fixing block 352. To be combined.

As a result, the guide rod 355 is moved forward and backward at the second fixed block 352 by the forward and backward operation of the piston 354, and the press-fit lower body 357 and the upper body 366, and a centering unit coupled thereto ( 372) and the entire press-fit unit 381 can be moved in the front-rear direction (left-right direction in FIG. 15) and position adjustment becomes possible.

Next, the press-fitting unit body 356 is fixedly coupled to the pneumatic cylinder piston 354 of the front and rear position adjusting unit 351 as shown in FIG. 15 and mediates the second fixing block 352 and the guide rod 355. Compression unit lower body 357 is coupled to, and the upper portion of the indentation unit main body 366 fixedly coupled to the upper end of the vertical axis (359) vertically penetrating the indentation lower body 357.

The vertical shaft 359 is coupled to the middle portion through the through hole 357a of the lower part of the press-fitting part 357, in particular, the shaft is formed in the through hole 357a of the lower part of the press-fitting part main body 357 fixed up and down. It is combined to enable vertical movement in the direction.

In addition, the horizontal plate 361 is fixedly coupled to the lower portion of the vertical axis 359, the hydraulic cylinder 382 of the press-fit unit 381 is bolted and fixed to the horizontal plate 361.

In addition, a separate pneumatic cylinder (referred to as the fourth pneumatic cylinder) 362 is fixedly installed between the press-fit lower body 357 and the horizontal plate 361, and the fourth pneumatic cylinder 362 is the vertical axis 359 and In order to drive the press-fit unit 381, the press-fitting upper body 366, the centering unit 372 and the like up and down with respect to the press-fitting lower body 357, the piston 363 is in the vertical direction, that is, the vertical axis ( 359 is fixedly mounted on the lower surface of the horizontal plate 361 so as to be able to move forward and backward in a direction parallel to the axial direction.

In addition, the tip of the piston 363 of the fourth pneumatic cylinder 362 is penetrated and coupled to the lower bracket 358 fixed to the lower end of the press-fit lower body 357, and the fourth pneumatic cylinder 362 operates. When the piston 363 moves forward and backward, the rest of the components other than the press-in lower body 357, that is, the fourth pneumatic cylinder 362, the horizontal plate 361, the vertical plate (reference numeral 364 in Fig. 14), The entire press-fit unit 381 installed under the vertical shaft 359, the vertical shaft 359, the press-fitting upper body 366 fixedly coupled to the upper end of the vertical shaft 359, and the centering unit 372 installed at the press-fitting upper body 366. The whole can be moved up and down.

The press-fitting upper body 366 is integrally fixed to the vertical shaft 359 by a fastening member 371 screwed to the upper end of the vertical shaft 359 in a state where the upper end of the vertical axis 359 is vertically penetrated. The 'c' shaped groove 367 is formed in the structure, and the edge portion of the chassis 20 is positioned in the 'c' shaped groove 367. The stud 10 is press-fitted into the stud mounting hole 24.

Hereinafter, for the sake of clarity, the upper end portion forming the '3' shaped groove 367 in the press-fitting upper body 366 will be referred to as the pressing end 368 and the lower end as the protruding end 369. do.

On the other hand, the centering unit 372 is installed on the upper part of the press-fitting unit 372 to match the stud 10 moved by the finger 345 to the press-fit position and to hold it from the press-fit position while the press is made. Play a role.

The centering unit 372 has a piston 374 vertically moving forward and backward and is fixedly mounted by a bracket 373a in a vertical arrangement in a mounting groove 366a at the rear of the upper part 366 of the press-fitting unit. The cylinder 373 and the rear end are integrally coupled to the distal end of the piston 374 of the pneumatic cylinder 373 in a state of being horizontally disposed above the press-fitting upper body 366 to move up and down by a piston forward and backward operation. The movable plate 375 and the centering pin 376a which is fixedly installed vertically downward at the front end of the movable plate 375 and penetrates the pressing end 368 of the upper part 366 of the press-fitting part are formed at the lower end thereof. It includes a pin rod 376 protruding into the 'c'-shaped groove 367 of the press-fit upper body 366 and inserted downward into the tab hole 13 of the stud 10.

In a preferred embodiment, the guide rods 377 are installed vertically downwards on the left and right sides of the rear end of the movable plate 375, respectively, and the lower ends of the guide rods 377 are perpendicular to the rear of the press-fitting upper body 366. The guide rod 377 is inserted into and coupled to the formed guide hole 366b, and each guide rod 377 slides up and down within the guide hole 366b when the movable plate 375 moves up and down. A stable raising / lowering operation of 375 is made.

As a result, the pin rod 376 of the centering unit 372 vertically penetrates the vertical passage 368a formed in the pressing end 368 that becomes the upper end of the 'c'-shaped groove 367 in the press-fitting upper body 366. It operates in one state, the vertical passage (369a) formed in the protruding end (369) that is the lower end of the 'C' groove (367) is operated in a state that the press-fit head 383 of the press-fit unit 381 is vertically penetrated The stud 10 is press-fitted to the stud mounting hole 24 on the front of the chassis 20 located inside the 'c'-shaped groove 367.

Next, the press-fit unit 381 is mounted vertically on the horizontal plate 361 installed on the vertical shaft 359, and is mounted in the form of a piston of the hydraulic cylinder 382 and the hydraulic cylinder 382 to generate hydraulic pressure. And a press-fit head 383 vertically moved back and forth by the hydraulic pressure generated inside the hydraulic cylinder 382, wherein the press-head 383 has a stud 10 at the upper end of the chassis 20. It is provided with a structure in which the pressing pin 384, which is a portion for applying a pressing force for pressing the hole 24, is formed.

The hydraulic cylinder 382 is vertically mounted in a direction parallel to the vertical axis 359, the upper end of the body is bolted to the lower surface of the horizontal plate 361, the middle portion of the body is fixedly coupled to the lower end of the vertical axis (359).

The middle part of the body of the hydraulic cylinder 382 is fixedly coupled by fastening the fastening member 386 in a state in which the protruding fastening portion 385 is fitted to the lower end of the vertical shaft 359.

The press-fit head 383 is vertically mounted in the hydraulic cylinder 382 so as to be operated vertically and vertically. The press-fit head 383 is inside the hydraulic cylinder 382 when the hydraulic cylinder 382 operates. Vertically moving forward and backward by the hydraulic force generated in the.

The press head 383 extends upward from an upper end of the hydraulic cylinder 382 and vertically vertically passes through the vertical passage 369 a formed in the through hole of the lower main body 357 and the protruding end 369 of the upper main body 366. It is installed to penetrate through, the press-fit pin 384 formed at the upper end of the press-fit head 383 in the axial advance of the press-fit head 383 by the operation of the hydraulic cylinder (382), that is, the upward operation is the press-up part upper body ( The stud 10 moved to the press-fitting position in the state protruded upward into the 'c'-shaped groove 367 of 366 is upwardly pressed.

In order to press the stud 10 into the stud mounting hole 24 of the chassis 20, a large working force (pressing force) is required, and this large working force can be provided by hydraulic pressure, as described above. It is preferable to use a hydraulic device that can exert a large pressing force as a component for press-fitting).

In particular, in the indentation unit 381, the indentation head 383 should be able to apply a sufficient pressing force required for the stud indentation, as in the case of the vertical stud indentation apparatus 300, as in the horizontal stud indentation apparatus 200 The piston of the hydraulic cylinder 382 which comprises an actuator for driving the press-fit head 383 with a hydraulic cylinder 382, and the press-fit head 383 that applies the force required for press-fitting the studs, is moved back and forth by the hydraulic force. Configure in the form.

The hydraulic cylinder 382 and the press-fit head 383 constituting the press-fit unit 381 of the present invention have no significant difference in construction or basic operation principle as compared with a conventional hydraulic apparatus composed of a hydraulic cylinder and a piston.

As described above, the configuration of the horizontal stud press-fitting apparatus 200 according to the present invention has been described in detail. Thus, the process of pressing the stud 10 by the press-fit unit 381 of the horizontal stud press-fitting apparatus 200 is described in detail. Is as follows.

21A and 21B are diagrams illustrating a state where the stud 10 is press-fitted from the state where the stud 10 is moved to the final press-fit position in the press-upper main body 366 by the finger unit 341.

When the chassis 20 is fixed on the jig frame 110, the stud mounting hole 24 on the side of the chassis 20 to which the stud 10 is press-fitted is positioned in front of the press-fit head 383 of the stud press-fitting unit 350. As described above, the stud 10 is transferred to the final indentation position in the indentation upper body 366 by the finger unit 341.

As shown in FIG. 21, under the control of the controller 30, the indentation lower body 357 is under the control of the controller 30 in a state where the stud 10 is located directly in the indentation position, that is, directly above the indentation pin 384 of the indentation head 383. And a fourth pneumatic cylinder 362 provided between the vertical axis 359 and the pneumatic cylinder 373 of the centering unit 372 operates, resulting in the vertical axis 359 and the press-up unit main body 366 and the centering unit 372. ), And the entire indentation unit 381 including the indentation head 383 moves vertically upward, and at the same time, the pin rod 376 of the centering unit 372 is vertically lowered to be coupled to the stud 10.

At this time, the pin rod 376 is vertically lowered while passing through the stud mounting hole 24 on the front of the chassis 20, so that the centering pin 376a is coupled to the tab hole 13 of the stud 10, the stud 10 ) Is fixed by the centering pin 376a while being supported by the press pin 384 of the lower press head 383.

After the stud 10 is fixed by the centering pin 376a as described above, the finger 345 of the finger unit 341 is retracted to the initial position and completely separated from the stud 10.

Then, when the hydraulic cylinder 382 is operated and the press head 383 protrudes against the hydraulic cylinder 382 to press the stud 10 vertically upward, the stud 10 is coupled to the centering pin 376a. ) Is pushed upward (the centering pin is also pushed upwards), and the flange 14 is inserted into the stud mounting hole 24 on the front of the chassis 20.

Here, since the resistance of the press head 383 protrudes vertically upward while the flange of the stud 10 is fitted into the stud mounting hole 24 on the front of the chassis 20, the hydraulic cylinder 382 and The vertical axis 359 and the press-fitting upper body 366 are relatively instantaneously lowered, and thus the pressing end 368 of the press-fitting upper body 366 presses the front of the chassis 20 from the top.

At this time, the body portion of the stud 10 passes through the stud mounting hole 24 on the front of the chassis 20 in a state of being coupled with the centering pin 376a, and is formed at the pressing end 368 of the upper body 366 of the press-fitting portion. It is inserted into the vertical passage (368a), and the press-in end 368 and the press-in head 383 of the press-up unit main body 366 is pressed in the opposite direction to each other is made.

That is, in the state where the body portion 12 of the stud 10 is inserted into the vertical passage 368a of the pressing end 368, the press-fit pin 384 of the press-fit head 383 is perpendicularly upwardly upward from the stud 10. When the force is applied, the pressing end (368) on the opposite side is to press the front of the chassis 20 in the form of being pressed into the stud (10).

As described above, the horizontal stud indentation apparatus 200 and the vertical stud indentation apparatus 300 have been described in detail. The horizontal stud indentation apparatus 200 and the vertical stud indentation apparatus 300 operate together with the chassis. After all the presses are inserted into the 20, the chassis 20 is moved to the conveyor 40 by the second robot device 150, and then passes through the process.

As described above, the stud auto-indentation apparatus of the chassis for a display device according to the present invention is for each stud mounting hole of the chassis after the chassis with the stud mounting holes is seated on the jig frame in the center of the main frame by the robot apparatus. Each stud indenter operates simultaneously to automatically indent the studs into the corresponding stud mounting holes, which can be used as part of an automated facility for chassis manufacturing, and automates the stud indentation to reduce workforce and process time (cycle time ) It offers the advantages of shortening and the inline arrangement in the chassis manufacturing process, which eliminates the need for a separate work space.

Claims (38)

An apparatus for press-fitting a stud into a chassis for a display device, A main frame serving as a support under the device; A jig frame fixedly installed on a mounting plate on the upper surface of the main frame through a predetermined support structure and having a chassis fixing means for securing the chassis while the stud is press-fitted; It is installed to be arranged along the periphery of the chassis fixed on the jig frame in a state of being supported by the mounting plate and a fixed support fixed through a separate support structure on the mounting plate, and each side stud on the edge side and the front of the chassis on the jig frame. A plurality of horizontal stud indenters and vertical stud indenters provided to press-fit; The horizontal stud indentation device and the vertical stud indentation device operate under the control of the controller while the chassis in which the plurality of stud mounting holes are machined is fixed on the jig frame at predetermined positions of side and front parts. The stud auto-injection apparatus of the chassis for a display device, characterized in that configured to automatically press-in the stud into each stud mounting hole. The method according to claim 1, Each horizontal stud press-fit device is installed in the chassis side stud press-fit position around the jig frame, A stud supply unit installed on the mounting plate to supply a stud to be press-fitted to the chassis; It is installed between the stud supply unit and the following stud indentation unit, the stud supplied by the stud supply unit is linearly transferred in a state coupled to the transfer pin capable of vertical and horizontal movement, and then clamped to attach to the cam of the stud indentation unit A stud feeder; A stud press-fitting part installed to be supported by the holder and horizontally press-fitting the stud into the stud mounting hole on the side of the chassis by applying a horizontal force to the stud placed in the final press-fitting position of the cam after being transferred by the stud feeder; Stud automatic press-fit device of the chassis for a display device, characterized in that comprising a. Claim 3 was abandoned when the setup registration fee was paid. The method according to claim 2, The stud supply unit, A vibration feeder installed on the mounting plate, the stud being moved and supplied along the case inner passage by the case vibration; A passage member fixedly installed by a bracket so as to extend to a case inner passage end of the vibration feeder to finally guide the stud supplied by the vibration feeder; It is fixedly installed at the end of the passage member, consisting of a combination of the upper block and the lower block installed to support the bracket in each of the upper and lower positions, and the final stud guided by the passage member is inserted while the transfer pin is allowed to enter Loading block; Stud automatic press-fit device of the chassis for a display device comprising a. Claim 4 was abandoned when the registration fee was paid. The method according to claim 3, The loading block, A stopper wall is formed at the front end of the inner passage of the lower block while the inner passage of the lower block communicates with the inner passage of the passage member so that the stud moves, and the stud is moved to the inner passage of the lower block. The stud auto-injection apparatus of the chassis for a display device, characterized in that it can be coupled to the transfer pin in a stopped state by the wall. Claim 5 was abandoned upon payment of a set-up fee. The method according to claim 4, A slot is formed along the center of the bottom surface of the lower block and the center of the stopper wall cut out, the transfer pin can be vertically and horizontally introduced into the loading block through the slot. Automatic stud press-fitting device for chassis for display devices. Claim 6 was abandoned when the registration fee was paid. The method according to claim 3, A contact sensor is installed on the upper block of the loading block to detect that the stud is started by the transfer pin, and the contact sensor is installed inside the upper block so that the stud is vertically moved upward with the stud coupled to the transfer pin. The stud automatic press-fit device of the chassis for a display device, characterized in that the electrical signal is output when input to the controller. Claim 7 was abandoned upon payment of a set-up fee. The method according to claim 2, The stud transfer unit, A straight line transfer unit which firstly transfers the studs supplied to the final reach position in the stud supply unit to the cam peripheral position of the stud press-fitting unit by using the transfer pins; A finger unit configured to be installed at a cam peripheral position of the stud press-fitting part, and to move and attach a stud transferred by the linear transfer part to a magnet installed in the cam from the transfer pin by being coupled to the transfer pin; Claim 8 was abandoned when the registration fee was paid. The method according to claim 7, The linear transfer unit, A first pneumatic cylinder having a piston supported and fixed to the side of the vibration feeder and horizontally moving forward and backward; A lower movable block fixedly coupled to a piston end of the first pneumatic cylinder; A second pneumatic cylinder fixed to the lower movable block and having a piston for vertically moving forward and backward; An upper movable block fixedly coupled to the piston of the second pneumatic cylinder; A transfer bracket fixedly coupled to the upper movable block in a forward direction; A pin block fixedly coupled to the front end of the transfer bracket; A transfer pin formed to protrude upward from an upper surface of the pin block and inserted into and coupled into a tab hole of the stud; It includes, The stud auto-injection apparatus of the chassis for a display device, characterized in that the transfer pin is moved in the vertical and horizontal direction by the operation of the first pneumatic cylinder and the second pneumatic cylinder coupled straight after combining the studs. Claim 9 was abandoned upon payment of a set-up fee. The method according to claim 7, The finger unit, A third pneumatic cylinder which is fixedly installed back and forth to the lower side of the press-fit unit main body of the stud press-fit part and has a piston that moves horizontally forward and backward; A movable block fixedly coupled to the piston of the third pneumatic cylinder; A guide bracket formed in a bent shape in a 'b' shape and fixedly installed to surround the front and one side of the movable block, and having a stepped slot formed on the side of the movable block; A rotation block rotatably coupled to a side of the movable block; A finger having one end fixed to the bottom of the rotation block integrally and a clamping part formed at the other end to bite the stud; A roller rotatably coupled to a side of the rotation block and inserted into a stepped slot of the guide bracket and guided back and forth; And the shaft center of the rotary block and the shaft center of the roller are eccentric by a predetermined distance. When the movable block is moved back and forth by the piston operation of the third pneumatic cylinder, the roller And the rotary block is rotated while being guided back and forth along the differential slot, and at the same time, the finger is rotated so as to be horizontally laid down or vertically erected. Claim 10 was abandoned upon payment of a setup registration fee. The method according to claim 9, The stepped slot has a structure in which a front section having a low height and a rear section having a high height are connected through an inclined section to form one slot, and the eccentric structure is provided while the roller is guided in the inclined section. The stud auto-injection apparatus of the chassis for a display device, characterized in that the rotation block and the finger can be rotated by. Claim 11 was abandoned upon payment of a setup registration fee. The method according to claim 9, The finger is divided into two parts along the longitudinal direction and provided with a structure in which the inclined surface is formed at the end of the clamping portion, the stud coupled to the transfer pin in the state where the finger is laid horizontally, the inclined surface of the end of the clamping portion When pressed into the clamping portion after being in contact with, the clamping portion of the chassis for the display device, characterized in that the clamping part is momentarily opened and elastically collected to ask the outer peripheral surface of the stud body portion. Claim 12 was abandoned upon payment of a registration fee. The method according to claim 2, A press-fit unit including a press-fit unit main body, a press-fit head, and an actuator thereof, the press-fit unit being coupled to the holder via a predetermined support means to move the entire configuration back and forth by a predetermined play distance from the holder; A cam unit including a cam unit main body, a cam to which a stud is attached, and an actuator thereof, the cam unit being installed so that the entire configuration can be moved back and forth integrally with the press-fit unit; It includes, wherein the cam for supporting the stud by the actuator operation of the indentation unit, and the indentation head located on the opposite side of the cam with the side portion of the chassis interposed between the force applied in the opposite direction to press the stud Automatic stud press-fitting device for chassis for display device. Claim 13 was abandoned upon payment of a registration fee. The method according to claim 12, The press-fit unit, A press-fit unit body coupled to the fixing unit via the support means and assembled integrally with the cam unit; A hydraulic cylinder integrally installed on an upper portion of the press-fit unit body as the actuator; A press-fit head installed to protrude forward from inside the hydraulic cylinder and operating forward and backward in the horizontal direction by the force of the hydraulic pressure generated in the hydraulic cylinder; And a passage through which the body portion of the stud attached to the cam is inserted along the center thereof so that the front end portion of the press-fit head is inserted, and the body portion of the stud is inserted into the passage during the forward projecting operation of the press-fit head. A stud automatic press-fit device for a chassis for a display device, characterized in that the end of the press-fit head can press the side portion of the chassis forward in the closed state. Claim 14 was abandoned when the registration fee was paid. The method according to claim 13, The centering means, Movable rods are coaxially embedded so as to be separately moved back and forth inside the press-fit head, and are provided in the form of a piston of the following pneumatic cylinder, and a front end portion of the movable rod in which the pin part forward and backward is integrally fixedly coupled to the front end passage of the press-fit head. Wow; It is integrally formed at the rear end of the hydraulic cylinder and connected to an external compressed air supply unit operated under the control of a controller by a pneumatic hose, and receives the compressed air through the pneumatic hose to operate the air by the generated pneumatic force. Pneumatic cylinder unit for moving the rod forward; And a centering pin integrally formed as the coupling means at a front end of the pin portion of the movable rod, such that the centering pin passes through a stud mounting hole at the side of the chassis and is attached to the cam at the forward movement of the movable rod. The stud auto-injection apparatus of the chassis for a display device, characterized in that configured to be coupled to the tap hole. Claim 15 was abandoned upon payment of a registration fee. The method according to claim 12 or 13, The support means includes a fixing block fixedly mounted to the fixing stand, and a guide rod having one end coupled to the lower portion of the press-fit unit main body while being coupled to the fixing block so as to be moved forward and backward through the fixing block. Is pushed forward and backward in the form of sliding in the fixed block, the press-fit unit and the cam unit as a whole, the stud auto-injection apparatus of the chassis for a display device, characterized in that the entire movement. Claim 16 was abandoned upon payment of a setup registration fee. The method according to claim 12, The cam unit, A cam unit body integrally assembled to the press-fit unit body forward; A cam block having a structure in which a cam is integrally formed at a front end of the cylindrical block body, the cam block being rotatably coupled to a central axis of the cam unit body; As the actuator, the pneumatic cylinder is connected between the press-fit unit body and the cam block to rotate the cam block; To include, One side of the cam stud is a stud is attached to the chassis stud automatic indentation device, characterized in that the magnet is installed. Claim 17 was abandoned upon payment of a registration fee. The method according to claim 16, The pneumatic cylinder is arranged vertically long and has a piston to move back and forth vertically, the lower end of the pneumatic cylinder is hinged to the bracket fixedly coupled to the lower end of the press-fit unit body, the connecting member of the piston tip is the cam It is hinged to the distal end of the crank arm which is integrally fixed to the end of the cylindrical block body opposite the cam formation position in the block, so that the entire cam block can be rotated through the crank arm by the forward and backward motion of the piston. Automatic stud press-fitting device for chassis for display device. Claim 18 was abandoned upon payment of a set-up fee. The method according to claim 1, Each vertical stud press-fit device is installed in the chassis front stud press-fit position around the jig frame, A stud supply unit installed on the mounting plate and finally supplying a stud to be press-fitted to the chassis through an input pipe; A stud indentation unit installed to be supported by the holder and vertically indenting the stud into the stud mounting hole on the front of the chassis by applying a force in the vertical direction to the stud transferred by the stud transfer unit and positioned at the final indentation position; Stud automatic press-fit device of the chassis for a display device, characterized in that comprising a. Claim 19 was abandoned upon payment of a registration fee. The method according to claim 18, The stud supply unit, A vibration feeder installed on the mounting plate, the stud being moved and supplied along the case inner passage by the case vibration; A passage member fixedly installed by a bracket so as to extend to a case inner passage end of the vibration feeder to finally guide the stud supplied by the vibration feeder; The inner passage is provided in a tubular structure formed vertically downward, the upper inlet is fixed to the lower surface of the bracket portion protruding to the end of the passage member, the open one side of the upper inlet is the passage so that the stud movement is possible An inlet pipe connected to an end of the inner passage of the member and configured to provide a final supply of the stud through a lower outlet; Stud automatic press-fit device of the chassis for a display device, characterized in that comprising a. Claim 20 was abandoned upon payment of a registration fee. The method according to claim 19, The pickup device unit, A fixed block fixed to the side of the passage member by a support bracket on the side of the vibration feeder; A movable block which is penetrated on the guide rod fixedly installed so as to extend horizontally in front of the fixed block and is movable forward and backward on the length of the guide rod; A rotational member having a lower end hinged to an upper end of the movable block and rotatable about the lower end hinge point above the movable block; A pickup head fixed to the side of the front protrusion of the pivot member in the transverse direction, the pickup head protruding downward from one side of the circumferential surface; A pneumatic cylinder disposed horizontally on an upper end of the support bracket, the piston having a piston hinged horizontally and hinged to a slot formed at a rear protrusion of the upper end of the pivot member; And the piston moves forward to flip the pivot member forward, and the pickup head descends while drawing an arc of trajectory, and at the same time, the pickup pin rotates downward to the tab hole of the stud located at the end of the passage member. And the piston continues to move forward to move the stud into the inner passage of the feed pipe. Claim 21 was abandoned upon payment of a registration fee. The method according to claim 18, The stud transfer unit, An air pressure pipe transfer unit for firstly transferring the studs from the inlet tube of the stud supply unit to the stud seating zone at the periphery of the stud indentation unit; A finger unit for clamping the studs transferred to the stud seats and horizontally transferring them to the final press-fit position in the stud press-fitting unit; Stud automatic press-fit device of the chassis for a display device comprising a. Claim 22 was abandoned upon payment of a registration fee. The method according to claim 21, The pipe transfer unit, A transfer tube connected to the stud seat at the bottom discharge port of the input pipe; A compressed air supply unit operated under the control of a controller to provide high pressure compressed air through a compressed air tube connected to an upstream side of the transfer tube, thereby forcing the stud introduced into the transfer tube through the input tube to the stud seat; Stud automatic press-fit device of the chassis for a display device, characterized in that comprising a. Claim 23 was abandoned upon payment of a set-up fee. The method according to claim 21 or 22, A horizontal bent stopper is formed at an upper end of the stud seating stand so that the studs pushed upward by the compressed air can be stopped. The stopper is provided with a contact sensor for detecting the arrival of the stud, and the contact sensor is a stopper. A stud auto-injection apparatus for a chassis for a display device, which is installed at a lower side and is configured to output an electrical signal and input it to a controller when the stud is contacted after upward feeding. Claim 24 was abandoned when the setup registration fee was paid. The method according to claim 21, The finger unit, A pneumatic cylinder which is integrally formed with the first fixing block and fixedly mounted to the support bracket fixed to the front of the stud press-fitting part via the first fixing block, and has a piston which moves forward and backward in the left and right direction with respect to the stud press-fitting part; ; A finger disposed to be elongated in a direction parallel to a traveling direction of the piston, one end of which is fixed to the front end of the movable block, and the other end of which is formed with a clamping part to bite the stud, and which moves horizontally integrally with the movable block; And, when the piston is pulled back by the operation of the pneumatic cylinder, the clamping part of the finger is configured to move to the final press-fit position in the stud press-fitting part after clamping the stud while passing through the stud seat. Automatic stud presser for chassis. Claim 25 was abandoned upon payment of a registration fee. The method of claim 24, The finger is divided into two parts along a longitudinal direction and provided with a structure in which an inclined surface is formed at the end of the clamping part, and the stud of the stud rest contacting the inclined surface of the end of the clamping part is pushed into the clamping part. In this case, the clamping part of the chassis for the display device, characterized in that the moment is opened and then elastically collected again to ask the outer peripheral surface of the stud body portion. Claim 26 was abandoned upon payment of a registration fee. The method according to claim 18, The stud indentation unit, A front and rear position adjusting unit installed on the fixing unit to adjust the front and rear positions of the entire configuration including the following press-fitting unit body, centering unit, and press-fit unit; A press-fitting part main body, which is divided into a press-fitting part upper body and a press-fitting part lower body, the upper main body and the lower main body are connected and assembled by a vertical axis penetrating them vertically, and are coupled to the front-back position adjusting unit to enable the front-back position adjustment; A press-fit head located below the stud placed in the press-fitting main body of the press-fit part and an actuator thereof, and the press-fit head operates vertically upward by the actuator to apply a force in the vertical direction to the studs above. A press-fit unit press-fitting the stud mounting hole in the front of the chassis; A centering unit installed in the upper body of the press-fitting unit and having a coupling means coupled to a stud tap hole at an upper side of the stud placed at the press-fitting position to fix the studs so as not to be separated from the press-fitting position during press-fitting; Stud automatic press-fit device of the chassis for a display device comprising a. Claim 27 was abandoned upon payment of a registration fee. The method of claim 26, Claim 28 was abandoned upon payment of a registration fee. The method of claim 27, Guide rods are installed between the press-fitting lower body and the second fixing block, and the guide rods are coupled to the second fixing block so that one end is fixedly coupled to the press-fitting lower body. Automatic stud press-fitting device for chassis for display device. Claim 29 was abandoned upon payment of a set-up fee. The method of claim 26, The upper end of the vertical shaft is fixed to the upper body of the press-in part by the fastening member in a state penetrating the upper body of the press-in part, the vertical shaft is coupled through the press-in part lower body to enable the vertical movement in the axial direction, the lower portion of the vertical axis The pneumatic cylinder of the chassis for a display device, characterized in that the pneumatic cylinder for driving the vertical axis in the vertical direction with respect to the lower body of the press-in portion between the horizontal plate and the press-in the lower body installed in the. Claim 30 was abandoned upon payment of a registration fee. The method of claim 26, The press-fitting upper body has a structure in which a 'c' shaped groove is formed in front, and a vertical passage formed at a pressing end that becomes an upper end of the 'c' shaped groove through the coupling means of the centering unit. Operating in a state in which the press-fit head of the press-fit unit vertically passes through the vertical passage formed at the protruding end of the '-'- shaped groove, and is located inside the'-'shaped groove. A stud auto-injection apparatus for a chassis for a display device, wherein the studs are press-fitted to the stud mounting holes on the front surface. Claim 31 was abandoned upon payment of a registration fee. The method of claim 26, The actuator of the press-fit unit is a hydraulic cylinder which is vertically mounted by being coupled to the horizontal plate and the lower end of the vertical shaft is installed in the vertical axis, the stud automatic press-fit device of the display device. Claim 32 was abandoned upon payment of a registration fee. The method of claim 26, The centering unit, A movable plate which is coupled to the piston end of the pneumatic cylinder in a state in which it is horizontally disposed above the upper part of the press-fitting unit, and moves up and down by piston forward and backward operation; A pin rod fixedly installed vertically downwardly at the front end of the movable plate and having a centering pin formed at the lower end as the coupling means; Stud automatic press-fit device of the chassis for a display device, characterized in that comprising a. Claim 33 was abandoned upon payment of a registration fee. The method according to claim 32, The guide rods are respectively installed vertically downward on left and right sides of the rear end of the movable plate, and a lower end of each of the guide rods is inserted and coupled to be vertically movable in a guide hole vertically formed at the rear of the upper main body of the press-fitting unit. Automatic stud presser for chassis. Claim 34 was abandoned upon payment of a registration fee. The method according to claim 1, A support fixedly installed on an upper surface of the chassis introduction part side of the main frame; A transfer unit which moves the chassis waiting on the support under the control of the controller to a working position for press-fitting the studs on the jig frame, and moves the chassis onto a conveyor for subsequent process transfer when the stud-pressing is completed; Stud automatic press-fit device of the chassis for a display device further comprising a. Claim 35 was abandoned upon payment of a registration fee. The method of claim 34, wherein The conveying unit is installed on the chassis inlet side of the main frame to move the chassis on the support to the working position on the jig frame, and the first robot device on the chassis outlet of the main frame is installed on the jig frame. And a second robot device for moving the chassis from which the stud press-fitting is completed to the conveyor. Claim 36 was abandoned upon payment of a registration fee. The method of claim 35, wherein The first and second robot device, First and second links connected in series so as to be laterally deployed or folded in a support frame fixed to the main frame; An actuator for the expansion or folding operation of the first link and the second link, the actuator is connected between the support frame and one end of the first link that is connected to and supported on the other end of the first link and the first link Electric motors respectively installed between one end of the two links; And a horizontal support extending horizontally from the other end of the second link to the upper side of the main frame, and a crimping frame fixed horizontally to the lower end of the horizontal support. Stud automatic press-fit device of the chassis for a display device, characterized in that the chassis fixing means for fixing the. Claim 37 was abandoned upon payment of a registration fee. The method of claim 36, The chassis fixing means, A plurality of vacuum adsorption parts are installed on the lower surface of each of the compression frames and connected to the vacuum hoses to apply vacuum pressure to the vacuum adsorption parts, and the vacuum hoses are operated under the control of a controller. Connected to the vacuum pressure supply unit, the stud automatic press-fitting device of the chassis for display apparatus, characterized in that the chassis by the suction force generated in the vacuum suction unit by the operation of the vacuum pressure supply unit is configured to be fixed on the lower surface of the pressing frame. Claim 38 was abandoned upon payment of a registration fee. The method according to claim 1, Chassis fixing means of the jig frame, A plurality of vacuum adsorption parts are provided on the jig frame upper surface to face upward, connecting vacuum hoses to apply vacuum pressure to the vacuum adsorption parts, and operating each vacuum hose under the control of a controller. Connected to the pneumatic supply unit, the chassis stud auto-indentation apparatus for the display device, characterized in that the chassis is configured to be fixed to the suction on the jig frame by the suction force generated in the vacuum suction unit.

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