KR200349062Y1 - core plug insert machine - Google Patents

Abstract

The present invention relates to a core plug inserting device of a cylinder block in an engine configuration of a vehicle. In the core plug inserting device having a feeder to which a plurality of plugs of different sizes are supplied and a conveyor belt to which an object is conveyed, A robot hand 100 having a mounting portion 2 provided at an inner side thereof with an air hammer 25 capable of applying a force; An adhesive supply tool 220 mounted on the robot hand 100 to apply a sealing adhesive to a hole of an object; A core tool (4) mounted on the robot hand (100) to take out the core plug (500) and press-fit it into the hole (610); The adhesive supply tool 220 and the first and second mounting portion (200, 300) for storing the core tool 4; comprises a, by using a robot hand to automatically insert the core plug into the hole The work efficiency can be improved by fixing the core plug by hammering.

Description

Core plug insert machine {core plug insert machine}

The present invention relates to a core plug insertion device of a cylinder block in an engine configuration of an automobile, and more particularly, to an automatic core plug insertion device for sealing a hole by inserting a plug into an unnecessary hole generated during a molding process of a cylinder head. will be.

In general, many holes are formed inside the cylinder block of an engine, such as an oil jacket or a coolant jacket, or for processing reasons, and those not necessary for the product itself are sealed with a core plug afterwards so that the product (cylinder block Etc.).

Such a conventional core plug is configured in the form of a cap of a cap structure, and is the simplest form of plugging a hole with an extremely simple core plug.

In order to block the hole with such a core plug, the core plug is inserted into the hole with a hammer, or a separate hole expansion tool called an expander is used to push the core plug into the hole and extend the edge of the core plug to close the hole.

As such, in the related art, the core plug is manually inserted and sealed, and thus there is a problem in that unnecessary manpower and time are consumed, and a high rate of defects may occur, thereby reducing work efficiency.

The present invention has been made to solve the above problems of the prior art, the core to automatically insert the core plug into the hole by using a robot hand, the core to improve the work efficiency by fixing the core plug by hammering The purpose is to provide an automatic plug insertion device.

1 is a plan view showing the overall configuration of the core plug automatic insertion apparatus according to the present invention.

Figure 2 is a perspective view of the robot hand in Figure 1;

3 is a perspective view of the first mounting portion in FIG.

4 is a perspective view of the core tool in FIG.

5 is a combined perspective view of FIGS. 2 and 4.

6A and 6B are plan views of main cutaways showing an operating state of the clamp in FIG. 5;

Fig. 7 is a side cross-sectional view of Fig. 5.

8 is a perspective view of the second mounting part in FIG. 1;

9 is a flow chart for the core plug insertion process according to the present invention.

Explanation of symbols on the main parts of the drawings

2: mounting part 4: core tool

24: clamp 26: cylinder

28: rotating part 29: limit switch

30: elastic body 32: communication hose

42: first shaft rod 44: second shaft rod

100: robot hand 200: first mounting portion

300: second mounting portion 400: feeder

500: core plug

The present invention to achieve the above object,

In the core plug insertion device having a feeder to which a plurality of plugs of different sizes are supplied, and a conveyor belt to which an object is conveyed,

A robot hand provided at a distal end of which a mounting portion provided with an air hammer capable of injecting force by air pressure is provided at an end thereof;

An adhesive supply tool selectively mounted on the robot hand and applying a sealing adhesive to a hole of an object;

A core tool selectively mounted on the robot hand and extracting the core plug and pressing the core plug into the hole;

First and second mounting portions for storing the adhesive supply tool and the core tool;

And a controller for controlling the operation of the robot hand, the adhesive supply tool, and the core tool.

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

In the accompanying drawings, Figure 1 is a plan view showing the overall configuration of the core plug automatic insertion apparatus according to the present invention, Figure 2 is a perspective view of the robot hand in Figure 1, Figure 3 is a perspective view of the first mounting in Figure 1 Figure 4 is a perspective view of the core tool in Figure 1, Figure 5 is a combined perspective view of Figures 2 and 4, Figures 6a and 6b is a cutaway plan view showing the operating state of the clamp in Figure 5, Figure 7 is Figure 5 8 is a perspective view of a second mounting part of FIG. 1, and FIG. 9 is a flowchart of a core plug insertion process according to the present invention.

9, the robot hand 100 is operated while the adhesive supply tool 220 stored in the first mounting part 200 is mounted on the mounting part 2, as shown in FIG. 9. The adhesive is applied to the hole 610 of the object 600 by rotating.

Thereafter, the adhesive supply tool 220 is separated and stored in the first mounting portion 200, and then the core tool 4 having an appropriate diameter is selected from the core tools 4 provided in the second mounting portion 300. The core tool 4 is attached to the mounting portion 2.

Afterwards, the robot hand 100 rotates to take out one of the core plugs 500 supplied from the feeder 400 by using the suction function of the core tool 4 to be fixed to the tip.

Thereafter, the robot hand 100 rotates to insert the core tool 4 into the hole 610 of the object and press-fix the hole to the hole by hitting the core plug 500 by the hammering of the air hammer 25.

Here, each of the above processes is controlled to proceed sequentially by the processor of the controller.

Hereinafter, the configuration of a preferred embodiment of the present invention.

The robot hand 100 is rotatably installed according to the signal of the control unit while being fixed to the base, and a mounting part 2 capable of mounting various core tools 4 is provided at the front end thereof to the core plug to the object. An indentation process is performed.

Thus, as shown in Figure 1, the first and second to hold the conveyor belt 700 and the adhesive supply tool 220 and the core tool 4 for transferring the object within the working radius of the robot hand 100 It is preferable to arrange the mounting portion (200, 300).

As shown in FIG. 2, the mounting part 2 is hinged to one side of the robot hand 100 and has a body 20 having a hollow part 22 therein, and a core tool which will be described later. 4) a plurality of clamps 24 hinged to the outer circumferential surface of the body 20 to support the cylinder, and a cylinder portion 26 hinged to one end of the clamp 24 to provide rotational force; An air hammer 25 installed on the hollow portion 22 of the body 20 and capable of hitting the core tool 4 inserted therein, and hinged to an outer circumferential surface of the body 20 to air hammer 25 The rotating piece 28 which is rotated by the contact at the time of advancing, and the limit switch 29 which one end of the said rotating piece 28 contacts are comprised.

Here, the limit switch 29, the cylinder portion 26 and the air hammer 25 is connected to the air compressor not shown.

The hollow portion 22 forms a funnel-shaped inclined surface at the inlet side so that the core tool 4 to be described later can be located at the center of the center (see FIG. 7).

The clamp 24 is hinged to the coupling piece 21 formed in the body 20, the end of which is installed to be inserted into the hollow portion 22 inside the body 20, the cylinder portion 26 When the cylinder rod 260 moves forward or backward, the clamp 24 is rotated so that the end thereof is caught or released by the catching jaw 41 and the core tool 4 (see FIG. 4). Desorption of (4) becomes possible, and also the fixed fixation of the core tool 4 mounted is attained (refer FIG. 6A and 6B).

The air hammer 25 vibrates the hammer shaft 250 several times by pneumatic pressure so as to strike a core tool 4 to be described later, and the rotating shaft 28 to the hammer shaft 250. Stepped portion 252 is formed to be able to contact the bottom of the hammer shaft 250 is advancing while hitting a predetermined distance when the stepped portion 252 is pushed to rotate the rotating piece 28 to rotate. Made it possible.

The pivoting piece 28 is vertically inserted into one outer peripheral surface of the body 20, the middle portion is hinged to the body 20, the lower end stepped portion 252 formed on the outer peripheral surface of the air hammer 25 The upper end of the flange 281 is formed to protrude, and the limit switch 29 for stopping the operation of the air hammer 25 is installed at a position corresponding to the flange 281.

Therefore, when the rotating piece 28 rotates about the hinge axis by the pushing force of the hammer shaft 250 of the air hammer, and the flange 281 contacts the limit switch 29, the signal of the limit switch 29 The operation of the air hammer 25 is stopped by the air hammer 25, and the air hammer 25 is in the original position and is in the standby state.

On the other hand, the adhesive supply tool 220, as shown in Figure 3, the rear end is formed with a latching jaw 221 to which the clamp 24 is fastened, the front end of the coating roller 223 suitable for the hole diameter of the object Is attached to the shaft, is mounted on the holder 222 is stored, the adhesive supply cylinder 224 and the nozzle 225 connected thereto is installed on one side of the holder 222 is always supplied with adhesive from the nozzle 225 It is to be applied to the application roller 223.

As shown in FIG. 4, the core tool 4 is fitted with a first shaft rod 42 and a second shaft rod 44 having a transport path formed in a longitudinal direction therein, and a coil outside the coupling portion. By interposing an elastic body 30 such as a spring, the first and second shaft rods 42 and 44 may be elastically coupled to each other, and the centering operation of the second shaft rod 44 may be facilitated.

As shown in FIG. 7, the first shaft 42 has a first conveying path 420 formed therein in the longitudinal direction, and corresponds to the inlet of the hollow part 22 of the mounting part 2 on the rear outer circumferential surface thereof. An inclined surface having a funnel shape is formed, and a locking step 41 corresponding to the end of the clamp 24 is formed at the rear end of the inclined surface.

In addition, a first suction port 23 communicating with the first transport path 420 and connecting the air hose 230 is formed at one side of the outer circumferential surface of the inclined surface, and communicating with the first transport path 420 at one side of the front outer circumferential surface. The second suction opening 422 is formed, the front end portion is formed with a guide protrusion 440 of a predetermined length.

The second shaft bar 44 has a second conveying path 440 is formed in the longitudinal direction therein, the front end portion of the vacuum pad 445 is formed with a through hole 446 in communication with the second conveying path 440 A guide groove 444 is formed at the rear end to allow the guide protrusion 440 to be inserted, and a third suction hole 442 is formed at one side of the outer circumference thereof to communicate with the second transfer path 440. .

Here, the second suction port 422 and the third suction port 442 are connected by the communication hose 32, so that the first suction port 23, the first transfer path 420, and the second and third suction holes 422. 442, the second transfer path 440, and the vacuum pad 445 may be in communication with each other, and when suction of air is made through the first suction opening 23, suction force is finally applied to the vacuum pad 445. It is formed to be able to suck the core plug 500.

In addition, the coupling portion between the first shaft rod 42 and the second shaft rod 44 may provide fluidity of the second shaft rod 44 by interposing the elastic body 30 to the core plug 500 in the hole 610. When inserting the precise centering operation is possible by the fluidity and elasticity of the elastic body 30 at the hole inlet.

The core tool 4 has a vacuum pad 445 of various diameters according to the diameter of the core plug 500, and is manufactured according to size. The core tool 4 is stored in the second mounting part 300 to facilitate the robot hand 100. (See Fig. 8).

The operation relationship of the present invention configured as described above will be described.

When the object is positioned on the conveyor belt 700, the robot hand 100 is rotated by a signal from the controller to attach the adhesive supply tool 220 stored in the first mounting part 200 to the mounting part 2. Will be fitted.

That is, when the rear end of the adhesive supply tool 220 is inserted into the inlet of the hollow part 22 of the mounting part 2, the clamp 24 is rotated by the operation of the cylinder part 26, and the end thereof is caught by the jaw 41. The mounting state can be fixed by hanging on.

Thereafter, the robot hand 100 rotates to insert the application roller 223 of the adhesive supply tool 220 into the hole of the object, and then to apply the adhesive in the hole 610, and then to the first mounting portion 200 again. The adhesive supply tool 220 is separated and stored in place.

Subsequently, the robot hand 100 rotates according to a signal from the controller, and mounts the core tool 4 having an appropriate diameter in the second mounting part 300. In this case, the bonding method of the adhesive supply tool 220 is performed. Similarly, it is fixed by the clamp 24.

Thereafter, the robot hand 100 rotates to suck the core plug 500 arranged on the feeder 400 onto the vacuum pad 445 of the core tool 4.

That is, as described above, the core plug 500 is attached to the vacuum pad 445 by the suction force by sucking the air through the first suction port 23.

After inserting the core tool 4 from which the core plug 500 is taken out into the hole 610 of the object, the core plug 500 is press-fitted and fixed by the hammering operation of the air hammer 25, and then the core tool 4 Is separated and stored in place again in the second mounting portion 300.

As described above, the core plug insertion apparatus according to the present invention provides an advantage that the core plug is automatically inserted into the hole using the robot hand and the core plug is fixed by hammering to improve the work efficiency. .

Claims (10)

In the core plug insertion device having a feeder to which a plurality of plugs of different sizes are supplied, and a conveyor belt to which an object is conveyed, A robot hand (100) provided at a distal end with a mounting portion (2) having an air hammer (25) provided therein that can be applied by air pressure; An adhesive supply tool 220 selectively mounted on the robot hand 100 and applying a sealing adhesive to a hole of an object; A core tool (4) which is selectively mounted on the robot hand (100) and takes out the core plug (500) and press-fits it into the hole (610); First and second mounting parts (200) (300) for storing the adhesive supply tool (220) and the core tool (4); A controller for controlling the operation of the robot hand, the adhesive supply tool, and the core tool; Core plug automatic insertion device, characterized in that consisting of. The method of claim 1, The mounting portion 2 is hinged to one side of the robot hand 100 and having a hollow body 22 therein, a plurality of clamps 24 hinged to the outer circumferential surface of the body 20 and And a cylinder portion 26 which is hinged to one end of the clamp 24 and provides a rotational force thereof, and strikes the core tool 4 installed in the hollow portion 22 of the body 20 and inserted therein. Core plug automatic insertion device, characterized in that made of air hammer 25 that can be applied. The method of claim 2, The rotary piece 28 which is hinged to the outer circumferential surface of the body 20 to be rotated by contact when the air hammer 25 is advanced, and the limit switch 29 which one end of the rotating piece 28 is in contact with Core plug automatic insertion device further comprising. The method of claim 2, The pivoting piece 28 is inserted perpendicularly to one side outer circumferential surface of the body 20, the middle portion of which is hinged to the body 20, the lower end of the rotating piece 28 in contact with the outer circumferential surface of the air hammer 25, and the upper end of the flange 20. Core plug automatic insertion device, characterized in that 281 is formed to protrude. The method according to any one of claims 2 to 4, The clamp 24 is hingedly coupled to the coupling piece 21 formed in the body 20, the end of which is installed to be inserted into the hollow portion 22 inside the body 20, the cylinder portion 26 of the Automatically inserting the core plug, characterized in that the cylinder rod 260 is rotated in conjunction with the forward or backward. The method of claim 1, The adhesive supply tool 220 has a locking jaw 41 to which the clamp 24 of the mounting portion 2 is fastened to a rear end thereof, and an application roller 223 suitable for the diameter of the hole of the object is attached to the front end thereof. Core plug automatic insertion device characterized in that. The method of claim 1, The core tool 4, the first shaft bar 42 and the second shaft bar 44 is formed in the transport path in the longitudinal direction is fitted, the elastic body 30 is interposed in the engaging portion the first and Core plug automatic insertion device, characterized in that the second shaft (42) (44) can be stretched, and to facilitate the centering operation of the second shaft (44). The method of claim 7, wherein The elastic body 30, the core plug automatic insertion device, characterized in that the coil spring. The method of claim 7, wherein The first shaft rod 42 has a first conveying path 420 formed in the longitudinal direction therein, and a latching jaw 41 corresponding to the end of the clamp 24 is formed at a rear end thereof, and a rear outer surface of the first shaft 42. A first suction port 23 is formed in communication with the first transfer path 420, and a second suction hole 422 is formed in communication with the first transfer path 420 on one side of the front outer circumference thereof. Core plug automatic insertion device, characterized in that the guide protrusion 440 of the length is formed. The method of claim 7, wherein The second shaft bar 44, the second conveying path 440 is formed in the longitudinal direction therein, the front end portion of the vacuum pad 445 formed with a through hole 446 communicating with the second conveying path 440 in the center Is attached, and a guide groove 444 is formed at a rear end thereof so that the guide protrusion 440 can be inserted therein, and a third suction hole 442 is formed at one side of the outer circumference thereof to communicate with the second transfer path 440. Core plug automatic insertion device, characterized in that.